]>
Commit | Line | Data |
---|---|---|
dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
bdcd2b92 | 4 | * Copyright (C) 2004-2012 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e JB |
20 | *******************************************************************/ |
21 | ||
dea3101e JB |
22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/delay.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
dea3101e | 27 | |
91886523 | 28 | #include <scsi/scsi.h> |
dea3101e JB |
29 | #include <scsi/scsi_cmnd.h> |
30 | #include <scsi/scsi_device.h> | |
31 | #include <scsi/scsi_host.h> | |
f888ba3c | 32 | #include <scsi/scsi_transport_fc.h> |
da0436e9 | 33 | #include <scsi/fc/fc_fs.h> |
0d878419 | 34 | #include <linux/aer.h> |
dea3101e | 35 | |
da0436e9 | 36 | #include "lpfc_hw4.h" |
dea3101e JB |
37 | #include "lpfc_hw.h" |
38 | #include "lpfc_sli.h" | |
da0436e9 | 39 | #include "lpfc_sli4.h" |
ea2151b4 | 40 | #include "lpfc_nl.h" |
dea3101e JB |
41 | #include "lpfc_disc.h" |
42 | #include "lpfc_scsi.h" | |
43 | #include "lpfc.h" | |
44 | #include "lpfc_crtn.h" | |
45 | #include "lpfc_logmsg.h" | |
46 | #include "lpfc_compat.h" | |
858c9f6c | 47 | #include "lpfc_debugfs.h" |
04c68496 | 48 | #include "lpfc_vport.h" |
dea3101e JB |
49 | |
50 | /* There are only four IOCB completion types. */ | |
51 | typedef enum _lpfc_iocb_type { | |
52 | LPFC_UNKNOWN_IOCB, | |
53 | LPFC_UNSOL_IOCB, | |
54 | LPFC_SOL_IOCB, | |
55 | LPFC_ABORT_IOCB | |
56 | } lpfc_iocb_type; | |
57 | ||
4f774513 JS |
58 | |
59 | /* Provide function prototypes local to this module. */ | |
60 | static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
61 | uint32_t); | |
62 | static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
45ed1190 JS |
63 | uint8_t *, uint32_t *); |
64 | static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, | |
65 | struct lpfc_iocbq *); | |
6669f9bb JS |
66 | static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, |
67 | struct hbq_dmabuf *); | |
0558056c JS |
68 | static int lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *, struct lpfc_queue *, |
69 | struct lpfc_cqe *); | |
70 | ||
4f774513 JS |
71 | static IOCB_t * |
72 | lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) | |
73 | { | |
74 | return &iocbq->iocb; | |
75 | } | |
76 | ||
77 | /** | |
78 | * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue | |
79 | * @q: The Work Queue to operate on. | |
80 | * @wqe: The work Queue Entry to put on the Work queue. | |
81 | * | |
82 | * This routine will copy the contents of @wqe to the next available entry on | |
83 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
84 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
85 | * successful. If no entries are available on @q then this function will return | |
86 | * -ENOMEM. | |
87 | * The caller is expected to hold the hbalock when calling this routine. | |
88 | **/ | |
89 | static uint32_t | |
90 | lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe) | |
91 | { | |
2e90f4b5 | 92 | union lpfc_wqe *temp_wqe; |
4f774513 JS |
93 | struct lpfc_register doorbell; |
94 | uint32_t host_index; | |
95 | ||
2e90f4b5 JS |
96 | /* sanity check on queue memory */ |
97 | if (unlikely(!q)) | |
98 | return -ENOMEM; | |
99 | temp_wqe = q->qe[q->host_index].wqe; | |
100 | ||
4f774513 JS |
101 | /* If the host has not yet processed the next entry then we are done */ |
102 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
103 | return -ENOMEM; | |
104 | /* set consumption flag every once in a while */ | |
ff78d8f9 | 105 | if (!((q->host_index + 1) % q->entry_repost)) |
f0d9bccc | 106 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); |
fedd3b7b JS |
107 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
108 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
4f774513 JS |
109 | lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
110 | ||
111 | /* Update the host index before invoking device */ | |
112 | host_index = q->host_index; | |
113 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
114 | ||
115 | /* Ring Doorbell */ | |
116 | doorbell.word0 = 0; | |
117 | bf_set(lpfc_wq_doorbell_num_posted, &doorbell, 1); | |
118 | bf_set(lpfc_wq_doorbell_index, &doorbell, host_index); | |
119 | bf_set(lpfc_wq_doorbell_id, &doorbell, q->queue_id); | |
120 | writel(doorbell.word0, q->phba->sli4_hba.WQDBregaddr); | |
121 | readl(q->phba->sli4_hba.WQDBregaddr); /* Flush */ | |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
126 | /** | |
127 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
128 | * @q: The Work Queue to operate on. | |
129 | * @index: The index to advance the hba index to. | |
130 | * | |
131 | * This routine will update the HBA index of a queue to reflect consumption of | |
132 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
133 | * an entry the host calls this function to update the queue's internal | |
134 | * pointers. This routine returns the number of entries that were consumed by | |
135 | * the HBA. | |
136 | **/ | |
137 | static uint32_t | |
138 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) | |
139 | { | |
140 | uint32_t released = 0; | |
141 | ||
2e90f4b5 JS |
142 | /* sanity check on queue memory */ |
143 | if (unlikely(!q)) | |
144 | return 0; | |
145 | ||
4f774513 JS |
146 | if (q->hba_index == index) |
147 | return 0; | |
148 | do { | |
149 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
150 | released++; | |
151 | } while (q->hba_index != index); | |
152 | return released; | |
153 | } | |
154 | ||
155 | /** | |
156 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
157 | * @q: The Mailbox Queue to operate on. | |
158 | * @wqe: The Mailbox Queue Entry to put on the Work queue. | |
159 | * | |
160 | * This routine will copy the contents of @mqe to the next available entry on | |
161 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
162 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
163 | * successful. If no entries are available on @q then this function will return | |
164 | * -ENOMEM. | |
165 | * The caller is expected to hold the hbalock when calling this routine. | |
166 | **/ | |
167 | static uint32_t | |
168 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
169 | { | |
2e90f4b5 | 170 | struct lpfc_mqe *temp_mqe; |
4f774513 JS |
171 | struct lpfc_register doorbell; |
172 | uint32_t host_index; | |
173 | ||
2e90f4b5 JS |
174 | /* sanity check on queue memory */ |
175 | if (unlikely(!q)) | |
176 | return -ENOMEM; | |
177 | temp_mqe = q->qe[q->host_index].mqe; | |
178 | ||
4f774513 JS |
179 | /* If the host has not yet processed the next entry then we are done */ |
180 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
181 | return -ENOMEM; | |
182 | lpfc_sli_pcimem_bcopy(mqe, temp_mqe, q->entry_size); | |
183 | /* Save off the mailbox pointer for completion */ | |
184 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
185 | ||
186 | /* Update the host index before invoking device */ | |
187 | host_index = q->host_index; | |
188 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
189 | ||
190 | /* Ring Doorbell */ | |
191 | doorbell.word0 = 0; | |
192 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
193 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
194 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
195 | readl(q->phba->sli4_hba.MQDBregaddr); /* Flush */ | |
196 | return 0; | |
197 | } | |
198 | ||
199 | /** | |
200 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
201 | * @q: The Mailbox Queue to operate on. | |
202 | * | |
203 | * This routine will update the HBA index of a queue to reflect consumption of | |
204 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
205 | * an entry the host calls this function to update the queue's internal | |
206 | * pointers. This routine returns the number of entries that were consumed by | |
207 | * the HBA. | |
208 | **/ | |
209 | static uint32_t | |
210 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
211 | { | |
2e90f4b5 JS |
212 | /* sanity check on queue memory */ |
213 | if (unlikely(!q)) | |
214 | return 0; | |
215 | ||
4f774513 JS |
216 | /* Clear the mailbox pointer for completion */ |
217 | q->phba->mbox = NULL; | |
218 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
219 | return 1; | |
220 | } | |
221 | ||
222 | /** | |
223 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
224 | * @q: The Event Queue to get the first valid EQE from | |
225 | * | |
226 | * This routine will get the first valid Event Queue Entry from @q, update | |
227 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
228 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
229 | * processed, but not popped back to the HBA then this routine will return NULL. | |
230 | **/ | |
231 | static struct lpfc_eqe * | |
232 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
233 | { | |
2e90f4b5 JS |
234 | struct lpfc_eqe *eqe; |
235 | ||
236 | /* sanity check on queue memory */ | |
237 | if (unlikely(!q)) | |
238 | return NULL; | |
239 | eqe = q->qe[q->hba_index].eqe; | |
4f774513 JS |
240 | |
241 | /* If the next EQE is not valid then we are done */ | |
cb5172ea | 242 | if (!bf_get_le32(lpfc_eqe_valid, eqe)) |
4f774513 JS |
243 | return NULL; |
244 | /* If the host has not yet processed the next entry then we are done */ | |
245 | if (((q->hba_index + 1) % q->entry_count) == q->host_index) | |
246 | return NULL; | |
247 | ||
248 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
249 | return eqe; | |
250 | } | |
251 | ||
252 | /** | |
253 | * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ | |
254 | * @q: The Event Queue that the host has completed processing for. | |
255 | * @arm: Indicates whether the host wants to arms this CQ. | |
256 | * | |
257 | * This routine will mark all Event Queue Entries on @q, from the last | |
258 | * known completed entry to the last entry that was processed, as completed | |
259 | * by clearing the valid bit for each completion queue entry. Then it will | |
260 | * notify the HBA, by ringing the doorbell, that the EQEs have been processed. | |
261 | * The internal host index in the @q will be updated by this routine to indicate | |
262 | * that the host has finished processing the entries. The @arm parameter | |
263 | * indicates that the queue should be rearmed when ringing the doorbell. | |
264 | * | |
265 | * This function will return the number of EQEs that were popped. | |
266 | **/ | |
267 | uint32_t | |
268 | lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) | |
269 | { | |
270 | uint32_t released = 0; | |
271 | struct lpfc_eqe *temp_eqe; | |
272 | struct lpfc_register doorbell; | |
273 | ||
2e90f4b5 JS |
274 | /* sanity check on queue memory */ |
275 | if (unlikely(!q)) | |
276 | return 0; | |
277 | ||
4f774513 JS |
278 | /* while there are valid entries */ |
279 | while (q->hba_index != q->host_index) { | |
280 | temp_eqe = q->qe[q->host_index].eqe; | |
cb5172ea | 281 | bf_set_le32(lpfc_eqe_valid, temp_eqe, 0); |
4f774513 JS |
282 | released++; |
283 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
284 | } | |
285 | if (unlikely(released == 0 && !arm)) | |
286 | return 0; | |
287 | ||
288 | /* ring doorbell for number popped */ | |
289 | doorbell.word0 = 0; | |
290 | if (arm) { | |
291 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
292 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
293 | } | |
294 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
295 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
6b5151fd JS |
296 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
297 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
298 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
4f774513 | 299 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
a747c9ce JS |
300 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
301 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
302 | readl(q->phba->sli4_hba.EQCQDBregaddr); | |
4f774513 JS |
303 | return released; |
304 | } | |
305 | ||
306 | /** | |
307 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
308 | * @q: The Completion Queue to get the first valid CQE from | |
309 | * | |
310 | * This routine will get the first valid Completion Queue Entry from @q, update | |
311 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
312 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
313 | * processed, but not popped back to the HBA then this routine will return NULL. | |
314 | **/ | |
315 | static struct lpfc_cqe * | |
316 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
317 | { | |
318 | struct lpfc_cqe *cqe; | |
319 | ||
2e90f4b5 JS |
320 | /* sanity check on queue memory */ |
321 | if (unlikely(!q)) | |
322 | return NULL; | |
323 | ||
4f774513 | 324 | /* If the next CQE is not valid then we are done */ |
cb5172ea | 325 | if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe)) |
4f774513 JS |
326 | return NULL; |
327 | /* If the host has not yet processed the next entry then we are done */ | |
328 | if (((q->hba_index + 1) % q->entry_count) == q->host_index) | |
329 | return NULL; | |
330 | ||
331 | cqe = q->qe[q->hba_index].cqe; | |
332 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
333 | return cqe; | |
334 | } | |
335 | ||
336 | /** | |
337 | * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ | |
338 | * @q: The Completion Queue that the host has completed processing for. | |
339 | * @arm: Indicates whether the host wants to arms this CQ. | |
340 | * | |
341 | * This routine will mark all Completion queue entries on @q, from the last | |
342 | * known completed entry to the last entry that was processed, as completed | |
343 | * by clearing the valid bit for each completion queue entry. Then it will | |
344 | * notify the HBA, by ringing the doorbell, that the CQEs have been processed. | |
345 | * The internal host index in the @q will be updated by this routine to indicate | |
346 | * that the host has finished processing the entries. The @arm parameter | |
347 | * indicates that the queue should be rearmed when ringing the doorbell. | |
348 | * | |
349 | * This function will return the number of CQEs that were released. | |
350 | **/ | |
351 | uint32_t | |
352 | lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) | |
353 | { | |
354 | uint32_t released = 0; | |
355 | struct lpfc_cqe *temp_qe; | |
356 | struct lpfc_register doorbell; | |
357 | ||
2e90f4b5 JS |
358 | /* sanity check on queue memory */ |
359 | if (unlikely(!q)) | |
360 | return 0; | |
4f774513 JS |
361 | /* while there are valid entries */ |
362 | while (q->hba_index != q->host_index) { | |
363 | temp_qe = q->qe[q->host_index].cqe; | |
cb5172ea | 364 | bf_set_le32(lpfc_cqe_valid, temp_qe, 0); |
4f774513 JS |
365 | released++; |
366 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
367 | } | |
368 | if (unlikely(released == 0 && !arm)) | |
369 | return 0; | |
370 | ||
371 | /* ring doorbell for number popped */ | |
372 | doorbell.word0 = 0; | |
373 | if (arm) | |
374 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
375 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
376 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); | |
6b5151fd JS |
377 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
378 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
379 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
4f774513 JS |
380 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
381 | return released; | |
382 | } | |
383 | ||
384 | /** | |
385 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue | |
386 | * @q: The Header Receive Queue to operate on. | |
387 | * @wqe: The Receive Queue Entry to put on the Receive queue. | |
388 | * | |
389 | * This routine will copy the contents of @wqe to the next available entry on | |
390 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
391 | * HBA to start processing the Receive Queue Entry. This function returns the | |
392 | * index that the rqe was copied to if successful. If no entries are available | |
393 | * on @q then this function will return -ENOMEM. | |
394 | * The caller is expected to hold the hbalock when calling this routine. | |
395 | **/ | |
396 | static int | |
397 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, | |
398 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
399 | { | |
2e90f4b5 JS |
400 | struct lpfc_rqe *temp_hrqe; |
401 | struct lpfc_rqe *temp_drqe; | |
4f774513 JS |
402 | struct lpfc_register doorbell; |
403 | int put_index = hq->host_index; | |
404 | ||
2e90f4b5 JS |
405 | /* sanity check on queue memory */ |
406 | if (unlikely(!hq) || unlikely(!dq)) | |
407 | return -ENOMEM; | |
408 | temp_hrqe = hq->qe[hq->host_index].rqe; | |
409 | temp_drqe = dq->qe[dq->host_index].rqe; | |
410 | ||
4f774513 JS |
411 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
412 | return -EINVAL; | |
413 | if (hq->host_index != dq->host_index) | |
414 | return -EINVAL; | |
415 | /* If the host has not yet processed the next entry then we are done */ | |
416 | if (((hq->host_index + 1) % hq->entry_count) == hq->hba_index) | |
417 | return -EBUSY; | |
418 | lpfc_sli_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); | |
419 | lpfc_sli_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
420 | ||
421 | /* Update the host index to point to the next slot */ | |
422 | hq->host_index = ((hq->host_index + 1) % hq->entry_count); | |
423 | dq->host_index = ((dq->host_index + 1) % dq->entry_count); | |
424 | ||
425 | /* Ring The Header Receive Queue Doorbell */ | |
73d91e50 | 426 | if (!(hq->host_index % hq->entry_repost)) { |
4f774513 JS |
427 | doorbell.word0 = 0; |
428 | bf_set(lpfc_rq_doorbell_num_posted, &doorbell, | |
73d91e50 | 429 | hq->entry_repost); |
4f774513 JS |
430 | bf_set(lpfc_rq_doorbell_id, &doorbell, hq->queue_id); |
431 | writel(doorbell.word0, hq->phba->sli4_hba.RQDBregaddr); | |
432 | } | |
433 | return put_index; | |
434 | } | |
435 | ||
436 | /** | |
437 | * lpfc_sli4_rq_release - Updates internal hba index for RQ | |
438 | * @q: The Header Receive Queue to operate on. | |
439 | * | |
440 | * This routine will update the HBA index of a queue to reflect consumption of | |
441 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
442 | * consumed an entry the host calls this function to update the queue's | |
443 | * internal pointers. This routine returns the number of entries that were | |
444 | * consumed by the HBA. | |
445 | **/ | |
446 | static uint32_t | |
447 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
448 | { | |
2e90f4b5 JS |
449 | /* sanity check on queue memory */ |
450 | if (unlikely(!hq) || unlikely(!dq)) | |
451 | return 0; | |
452 | ||
4f774513 JS |
453 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
454 | return 0; | |
455 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
456 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
457 | return 1; | |
458 | } | |
459 | ||
e59058c4 | 460 | /** |
3621a710 | 461 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
462 | * @phba: Pointer to HBA context object. |
463 | * @pring: Pointer to driver SLI ring object. | |
464 | * | |
465 | * This function returns pointer to next command iocb entry | |
466 | * in the command ring. The caller must hold hbalock to prevent | |
467 | * other threads consume the next command iocb. | |
468 | * SLI-2/SLI-3 provide different sized iocbs. | |
469 | **/ | |
ed957684 JS |
470 | static inline IOCB_t * |
471 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
472 | { | |
473 | return (IOCB_t *) (((char *) pring->cmdringaddr) + | |
474 | pring->cmdidx * phba->iocb_cmd_size); | |
475 | } | |
476 | ||
e59058c4 | 477 | /** |
3621a710 | 478 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
479 | * @phba: Pointer to HBA context object. |
480 | * @pring: Pointer to driver SLI ring object. | |
481 | * | |
482 | * This function returns pointer to next response iocb entry | |
483 | * in the response ring. The caller must hold hbalock to make sure | |
484 | * that no other thread consume the next response iocb. | |
485 | * SLI-2/SLI-3 provide different sized iocbs. | |
486 | **/ | |
ed957684 JS |
487 | static inline IOCB_t * |
488 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
489 | { | |
490 | return (IOCB_t *) (((char *) pring->rspringaddr) + | |
491 | pring->rspidx * phba->iocb_rsp_size); | |
492 | } | |
493 | ||
e59058c4 | 494 | /** |
3621a710 | 495 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
496 | * @phba: Pointer to HBA context object. |
497 | * | |
498 | * This function is called with hbalock held. This function | |
499 | * allocates a new driver iocb object from the iocb pool. If the | |
500 | * allocation is successful, it returns pointer to the newly | |
501 | * allocated iocb object else it returns NULL. | |
502 | **/ | |
2e0fef85 JS |
503 | static struct lpfc_iocbq * |
504 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
0bd4ca25 JSEC |
505 | { |
506 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
507 | struct lpfc_iocbq * iocbq = NULL; | |
508 | ||
509 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); | |
2a9bf3d0 JS |
510 | if (iocbq) |
511 | phba->iocb_cnt++; | |
512 | if (phba->iocb_cnt > phba->iocb_max) | |
513 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
514 | return iocbq; |
515 | } | |
516 | ||
da0436e9 JS |
517 | /** |
518 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
519 | * @phba: Pointer to HBA context object. | |
520 | * @xritag: XRI value. | |
521 | * | |
522 | * This function clears the sglq pointer from the array of acive | |
523 | * sglq's. The xritag that is passed in is used to index into the | |
524 | * array. Before the xritag can be used it needs to be adjusted | |
525 | * by subtracting the xribase. | |
526 | * | |
527 | * Returns sglq ponter = success, NULL = Failure. | |
528 | **/ | |
529 | static struct lpfc_sglq * | |
530 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) | |
531 | { | |
da0436e9 | 532 | struct lpfc_sglq *sglq; |
6d368e53 JS |
533 | |
534 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
535 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
536 | return sglq; |
537 | } | |
538 | ||
539 | /** | |
540 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
541 | * @phba: Pointer to HBA context object. | |
542 | * @xritag: XRI value. | |
543 | * | |
544 | * This function returns the sglq pointer from the array of acive | |
545 | * sglq's. The xritag that is passed in is used to index into the | |
546 | * array. Before the xritag can be used it needs to be adjusted | |
547 | * by subtracting the xribase. | |
548 | * | |
549 | * Returns sglq ponter = success, NULL = Failure. | |
550 | **/ | |
0f65ff68 | 551 | struct lpfc_sglq * |
da0436e9 JS |
552 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
553 | { | |
da0436e9 | 554 | struct lpfc_sglq *sglq; |
6d368e53 JS |
555 | |
556 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
557 | return sglq; |
558 | } | |
559 | ||
19ca7609 | 560 | /** |
1151e3ec | 561 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
562 | * @phba: Pointer to HBA context object. |
563 | * @xritag: xri used in this exchange. | |
564 | * @rrq: The RRQ to be cleared. | |
565 | * | |
19ca7609 | 566 | **/ |
1151e3ec JS |
567 | void |
568 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
569 | uint16_t xritag, | |
570 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 571 | { |
1151e3ec | 572 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 573 | |
1151e3ec JS |
574 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
575 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
576 | |
577 | /* The target DID could have been swapped (cable swap) | |
578 | * we should use the ndlp from the findnode if it is | |
579 | * available. | |
580 | */ | |
1151e3ec | 581 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
582 | ndlp = rrq->ndlp; |
583 | ||
1151e3ec JS |
584 | if (!ndlp) |
585 | goto out; | |
586 | ||
6d368e53 | 587 | if (test_and_clear_bit(xritag, ndlp->active_rrqs.xri_bitmap)) { |
19ca7609 JS |
588 | rrq->send_rrq = 0; |
589 | rrq->xritag = 0; | |
590 | rrq->rrq_stop_time = 0; | |
591 | } | |
1151e3ec | 592 | out: |
19ca7609 JS |
593 | mempool_free(rrq, phba->rrq_pool); |
594 | } | |
595 | ||
596 | /** | |
597 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
598 | * @phba: Pointer to HBA context object. | |
599 | * | |
600 | * This function is called with hbalock held. This function | |
601 | * Checks if stop_time (ratov from setting rrq active) has | |
602 | * been reached, if it has and the send_rrq flag is set then | |
603 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
604 | * then it will just call the routine to clear the rrq and | |
605 | * free the rrq resource. | |
606 | * The timer is set to the next rrq that is going to expire before | |
607 | * leaving the routine. | |
608 | * | |
609 | **/ | |
610 | void | |
611 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
612 | { | |
613 | struct lpfc_node_rrq *rrq; | |
614 | struct lpfc_node_rrq *nextrrq; | |
615 | unsigned long next_time; | |
616 | unsigned long iflags; | |
1151e3ec | 617 | LIST_HEAD(send_rrq); |
19ca7609 JS |
618 | |
619 | spin_lock_irqsave(&phba->hbalock, iflags); | |
620 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
621 | next_time = jiffies + HZ * (phba->fc_ratov + 1); | |
622 | list_for_each_entry_safe(rrq, nextrrq, | |
1151e3ec JS |
623 | &phba->active_rrq_list, list) { |
624 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
625 | list_move(&rrq->list, &send_rrq); | |
626 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
627 | next_time = rrq->rrq_stop_time; |
628 | } | |
629 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
630 | if (!list_empty(&phba->active_rrq_list)) | |
631 | mod_timer(&phba->rrq_tmr, next_time); | |
1151e3ec JS |
632 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
633 | list_del(&rrq->list); | |
634 | if (!rrq->send_rrq) | |
635 | /* this call will free the rrq */ | |
636 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
637 | else if (lpfc_send_rrq(phba, rrq)) { | |
638 | /* if we send the rrq then the completion handler | |
639 | * will clear the bit in the xribitmap. | |
640 | */ | |
641 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
642 | rrq); | |
643 | } | |
644 | } | |
19ca7609 JS |
645 | } |
646 | ||
647 | /** | |
648 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
649 | * @vport: Pointer to vport context object. | |
650 | * @xri: The xri used in the exchange. | |
651 | * @did: The targets DID for this exchange. | |
652 | * | |
653 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
654 | * rrq = rrq for this xri and target. | |
655 | **/ | |
656 | struct lpfc_node_rrq * | |
657 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
658 | { | |
659 | struct lpfc_hba *phba = vport->phba; | |
660 | struct lpfc_node_rrq *rrq; | |
661 | struct lpfc_node_rrq *nextrrq; | |
662 | unsigned long iflags; | |
663 | ||
664 | if (phba->sli_rev != LPFC_SLI_REV4) | |
665 | return NULL; | |
666 | spin_lock_irqsave(&phba->hbalock, iflags); | |
667 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
668 | if (rrq->vport == vport && rrq->xritag == xri && | |
669 | rrq->nlp_DID == did){ | |
670 | list_del(&rrq->list); | |
671 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
672 | return rrq; | |
673 | } | |
674 | } | |
675 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
676 | return NULL; | |
677 | } | |
678 | ||
679 | /** | |
680 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
681 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
682 | * @ndlp: Pointer to the lpfc_node_list structure. |
683 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
684 | * phba->active_rrq_list and clear the rrq. | |
685 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
686 | **/ |
687 | void | |
1151e3ec | 688 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
689 | |
690 | { | |
691 | struct lpfc_hba *phba = vport->phba; | |
692 | struct lpfc_node_rrq *rrq; | |
693 | struct lpfc_node_rrq *nextrrq; | |
694 | unsigned long iflags; | |
1151e3ec | 695 | LIST_HEAD(rrq_list); |
19ca7609 JS |
696 | |
697 | if (phba->sli_rev != LPFC_SLI_REV4) | |
698 | return; | |
1151e3ec JS |
699 | if (!ndlp) { |
700 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
701 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 702 | } |
1151e3ec JS |
703 | spin_lock_irqsave(&phba->hbalock, iflags); |
704 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
705 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
706 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 707 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
708 | |
709 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
710 | list_del(&rrq->list); | |
711 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
712 | } | |
19ca7609 JS |
713 | } |
714 | ||
715 | /** | |
716 | * lpfc_cleanup_wt_rrqs - Remove all rrq's from the active list. | |
717 | * @phba: Pointer to HBA context object. | |
718 | * | |
719 | * Remove all rrqs from the phba->active_rrq_list and free them by | |
720 | * calling __lpfc_clr_active_rrq | |
721 | * | |
722 | **/ | |
723 | void | |
724 | lpfc_cleanup_wt_rrqs(struct lpfc_hba *phba) | |
725 | { | |
726 | struct lpfc_node_rrq *rrq; | |
727 | struct lpfc_node_rrq *nextrrq; | |
728 | unsigned long next_time; | |
729 | unsigned long iflags; | |
1151e3ec | 730 | LIST_HEAD(rrq_list); |
19ca7609 JS |
731 | |
732 | if (phba->sli_rev != LPFC_SLI_REV4) | |
733 | return; | |
734 | spin_lock_irqsave(&phba->hbalock, iflags); | |
735 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
736 | next_time = jiffies + HZ * (phba->fc_ratov * 2); | |
1151e3ec JS |
737 | list_splice_init(&phba->active_rrq_list, &rrq_list); |
738 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
739 | ||
740 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
19ca7609 | 741 | list_del(&rrq->list); |
1151e3ec | 742 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); |
19ca7609 | 743 | } |
19ca7609 JS |
744 | if (!list_empty(&phba->active_rrq_list)) |
745 | mod_timer(&phba->rrq_tmr, next_time); | |
746 | } | |
747 | ||
748 | ||
749 | /** | |
1151e3ec | 750 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
751 | * @phba: Pointer to HBA context object. |
752 | * @ndlp: Targets nodelist pointer for this exchange. | |
753 | * @xritag the xri in the bitmap to test. | |
754 | * | |
755 | * This function is called with hbalock held. This function | |
756 | * returns 0 = rrq not active for this xri | |
757 | * 1 = rrq is valid for this xri. | |
758 | **/ | |
1151e3ec JS |
759 | int |
760 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
761 | uint16_t xritag) |
762 | { | |
19ca7609 JS |
763 | if (!ndlp) |
764 | return 0; | |
6d368e53 | 765 | if (test_bit(xritag, ndlp->active_rrqs.xri_bitmap)) |
19ca7609 JS |
766 | return 1; |
767 | else | |
768 | return 0; | |
769 | } | |
770 | ||
771 | /** | |
772 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
773 | * @phba: Pointer to HBA context object. | |
774 | * @ndlp: nodelist pointer for this target. | |
775 | * @xritag: xri used in this exchange. | |
776 | * @rxid: Remote Exchange ID. | |
777 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
778 | * | |
779 | * This function takes the hbalock. | |
780 | * The active bit is always set in the active rrq xri_bitmap even | |
781 | * if there is no slot avaiable for the other rrq information. | |
782 | * | |
783 | * returns 0 rrq actived for this xri | |
784 | * < 0 No memory or invalid ndlp. | |
785 | **/ | |
786 | int | |
787 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 788 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 789 | { |
19ca7609 | 790 | unsigned long iflags; |
b42c07c8 JS |
791 | struct lpfc_node_rrq *rrq; |
792 | int empty; | |
793 | ||
794 | if (!ndlp) | |
795 | return -EINVAL; | |
796 | ||
797 | if (!phba->cfg_enable_rrq) | |
798 | return -EINVAL; | |
19ca7609 JS |
799 | |
800 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
801 | if (phba->pport->load_flag & FC_UNLOADING) { |
802 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
803 | goto out; | |
804 | } | |
805 | ||
806 | /* | |
807 | * set the active bit even if there is no mem available. | |
808 | */ | |
809 | if (NLP_CHK_FREE_REQ(ndlp)) | |
810 | goto out; | |
811 | ||
812 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
813 | goto out; | |
814 | ||
815 | if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap)) | |
816 | goto out; | |
817 | ||
19ca7609 | 818 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
b42c07c8 JS |
819 | rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); |
820 | if (!rrq) { | |
821 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
822 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
823 | " DID:0x%x Send:%d\n", | |
824 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
825 | return -EINVAL; | |
826 | } | |
827 | rrq->send_rrq = send_rrq; | |
828 | rrq->xritag = xritag; | |
829 | rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); | |
830 | rrq->ndlp = ndlp; | |
831 | rrq->nlp_DID = ndlp->nlp_DID; | |
832 | rrq->vport = ndlp->vport; | |
833 | rrq->rxid = rxid; | |
834 | rrq->send_rrq = send_rrq; | |
835 | spin_lock_irqsave(&phba->hbalock, iflags); | |
836 | empty = list_empty(&phba->active_rrq_list); | |
837 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
838 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
839 | if (empty) | |
840 | lpfc_worker_wake_up(phba); | |
841 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
842 | return 0; | |
843 | out: | |
844 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
845 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
846 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
847 | " DID:0x%x Send:%d\n", | |
848 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
849 | return -EINVAL; | |
19ca7609 JS |
850 | } |
851 | ||
da0436e9 JS |
852 | /** |
853 | * __lpfc_sli_get_sglq - Allocates an iocb object from sgl pool | |
854 | * @phba: Pointer to HBA context object. | |
19ca7609 | 855 | * @piocb: Pointer to the iocbq. |
da0436e9 JS |
856 | * |
857 | * This function is called with hbalock held. This function | |
6d368e53 | 858 | * gets a new driver sglq object from the sglq list. If the |
da0436e9 JS |
859 | * list is not empty then it is successful, it returns pointer to the newly |
860 | * allocated sglq object else it returns NULL. | |
861 | **/ | |
862 | static struct lpfc_sglq * | |
19ca7609 | 863 | __lpfc_sli_get_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 JS |
864 | { |
865 | struct list_head *lpfc_sgl_list = &phba->sli4_hba.lpfc_sgl_list; | |
866 | struct lpfc_sglq *sglq = NULL; | |
19ca7609 | 867 | struct lpfc_sglq *start_sglq = NULL; |
19ca7609 JS |
868 | struct lpfc_scsi_buf *lpfc_cmd; |
869 | struct lpfc_nodelist *ndlp; | |
870 | int found = 0; | |
871 | ||
872 | if (piocbq->iocb_flag & LPFC_IO_FCP) { | |
873 | lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1; | |
874 | ndlp = lpfc_cmd->rdata->pnode; | |
be858b65 JS |
875 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
876 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) | |
19ca7609 | 877 | ndlp = piocbq->context_un.ndlp; |
19ca7609 JS |
878 | else |
879 | ndlp = piocbq->context1; | |
880 | ||
da0436e9 | 881 | list_remove_head(lpfc_sgl_list, sglq, struct lpfc_sglq, list); |
19ca7609 JS |
882 | start_sglq = sglq; |
883 | while (!found) { | |
884 | if (!sglq) | |
885 | return NULL; | |
1151e3ec | 886 | if (lpfc_test_rrq_active(phba, ndlp, sglq->sli4_xritag)) { |
19ca7609 JS |
887 | /* This xri has an rrq outstanding for this DID. |
888 | * put it back in the list and get another xri. | |
889 | */ | |
890 | list_add_tail(&sglq->list, lpfc_sgl_list); | |
891 | sglq = NULL; | |
892 | list_remove_head(lpfc_sgl_list, sglq, | |
893 | struct lpfc_sglq, list); | |
894 | if (sglq == start_sglq) { | |
895 | sglq = NULL; | |
896 | break; | |
897 | } else | |
898 | continue; | |
899 | } | |
900 | sglq->ndlp = ndlp; | |
901 | found = 1; | |
6d368e53 | 902 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
903 | sglq->state = SGL_ALLOCATED; |
904 | } | |
da0436e9 JS |
905 | return sglq; |
906 | } | |
907 | ||
e59058c4 | 908 | /** |
3621a710 | 909 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
910 | * @phba: Pointer to HBA context object. |
911 | * | |
912 | * This function is called with no lock held. This function | |
913 | * allocates a new driver iocb object from the iocb pool. If the | |
914 | * allocation is successful, it returns pointer to the newly | |
915 | * allocated iocb object else it returns NULL. | |
916 | **/ | |
2e0fef85 JS |
917 | struct lpfc_iocbq * |
918 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
919 | { | |
920 | struct lpfc_iocbq * iocbq = NULL; | |
921 | unsigned long iflags; | |
922 | ||
923 | spin_lock_irqsave(&phba->hbalock, iflags); | |
924 | iocbq = __lpfc_sli_get_iocbq(phba); | |
925 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
926 | return iocbq; | |
927 | } | |
928 | ||
4f774513 JS |
929 | /** |
930 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
931 | * @phba: Pointer to HBA context object. | |
932 | * @iocbq: Pointer to driver iocb object. | |
933 | * | |
934 | * This function is called with hbalock held to release driver | |
935 | * iocb object to the iocb pool. The iotag in the iocb object | |
936 | * does not change for each use of the iocb object. This function | |
937 | * clears all other fields of the iocb object when it is freed. | |
938 | * The sqlq structure that holds the xritag and phys and virtual | |
939 | * mappings for the scatter gather list is retrieved from the | |
940 | * active array of sglq. The get of the sglq pointer also clears | |
941 | * the entry in the array. If the status of the IO indiactes that | |
942 | * this IO was aborted then the sglq entry it put on the | |
943 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
944 | * IO has good status or fails for any other reason then the sglq | |
945 | * entry is added to the free list (lpfc_sgl_list). | |
946 | **/ | |
947 | static void | |
948 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
949 | { | |
950 | struct lpfc_sglq *sglq; | |
951 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 JS |
952 | unsigned long iflag = 0; |
953 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
4f774513 JS |
954 | |
955 | if (iocbq->sli4_xritag == NO_XRI) | |
956 | sglq = NULL; | |
957 | else | |
6d368e53 JS |
958 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
959 | ||
4f774513 | 960 | if (sglq) { |
0f65ff68 JS |
961 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
962 | (sglq->state != SGL_XRI_ABORTED)) { | |
4f774513 JS |
963 | spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, |
964 | iflag); | |
965 | list_add(&sglq->list, | |
966 | &phba->sli4_hba.lpfc_abts_els_sgl_list); | |
967 | spin_unlock_irqrestore( | |
968 | &phba->sli4_hba.abts_sgl_list_lock, iflag); | |
0f65ff68 JS |
969 | } else { |
970 | sglq->state = SGL_FREED; | |
19ca7609 | 971 | sglq->ndlp = NULL; |
fedd3b7b JS |
972 | list_add_tail(&sglq->list, |
973 | &phba->sli4_hba.lpfc_sgl_list); | |
2a9bf3d0 JS |
974 | |
975 | /* Check if TXQ queue needs to be serviced */ | |
589a52d6 | 976 | if (pring->txq_cnt) |
2a9bf3d0 | 977 | lpfc_worker_wake_up(phba); |
0f65ff68 | 978 | } |
4f774513 JS |
979 | } |
980 | ||
981 | ||
982 | /* | |
983 | * Clean all volatile data fields, preserve iotag and node struct. | |
984 | */ | |
985 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 986 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 JS |
987 | iocbq->sli4_xritag = NO_XRI; |
988 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); | |
989 | } | |
990 | ||
2a9bf3d0 | 991 | |
e59058c4 | 992 | /** |
3772a991 | 993 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
994 | * @phba: Pointer to HBA context object. |
995 | * @iocbq: Pointer to driver iocb object. | |
996 | * | |
997 | * This function is called with hbalock held to release driver | |
998 | * iocb object to the iocb pool. The iotag in the iocb object | |
999 | * does not change for each use of the iocb object. This function | |
1000 | * clears all other fields of the iocb object when it is freed. | |
1001 | **/ | |
a6ababd2 | 1002 | static void |
3772a991 | 1003 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1004 | { |
2e0fef85 | 1005 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 JB |
1006 | |
1007 | /* | |
1008 | * Clean all volatile data fields, preserve iotag and node struct. | |
1009 | */ | |
1010 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1011 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1012 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1013 | } | |
1014 | ||
3772a991 JS |
1015 | /** |
1016 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1017 | * @phba: Pointer to HBA context object. | |
1018 | * @iocbq: Pointer to driver iocb object. | |
1019 | * | |
1020 | * This function is called with hbalock held to release driver | |
1021 | * iocb object to the iocb pool. The iotag in the iocb object | |
1022 | * does not change for each use of the iocb object. This function | |
1023 | * clears all other fields of the iocb object when it is freed. | |
1024 | **/ | |
1025 | static void | |
1026 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1027 | { | |
1028 | phba->__lpfc_sli_release_iocbq(phba, iocbq); | |
2a9bf3d0 | 1029 | phba->iocb_cnt--; |
3772a991 JS |
1030 | } |
1031 | ||
e59058c4 | 1032 | /** |
3621a710 | 1033 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1034 | * @phba: Pointer to HBA context object. |
1035 | * @iocbq: Pointer to driver iocb object. | |
1036 | * | |
1037 | * This function is called with no lock held to release the iocb to | |
1038 | * iocb pool. | |
1039 | **/ | |
2e0fef85 JS |
1040 | void |
1041 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1042 | { | |
1043 | unsigned long iflags; | |
1044 | ||
1045 | /* | |
1046 | * Clean all volatile data fields, preserve iotag and node struct. | |
1047 | */ | |
1048 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1049 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1050 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1051 | } | |
1052 | ||
a257bf90 JS |
1053 | /** |
1054 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1055 | * @phba: Pointer to HBA context object. | |
1056 | * @iocblist: List of IOCBs. | |
1057 | * @ulpstatus: ULP status in IOCB command field. | |
1058 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1059 | * | |
1060 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1061 | * on the list by invoking the complete callback function associated with the | |
1062 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1063 | * fields. | |
1064 | **/ | |
1065 | void | |
1066 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1067 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1068 | { | |
1069 | struct lpfc_iocbq *piocb; | |
1070 | ||
1071 | while (!list_empty(iocblist)) { | |
1072 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
1073 | ||
1074 | if (!piocb->iocb_cmpl) | |
1075 | lpfc_sli_release_iocbq(phba, piocb); | |
1076 | else { | |
1077 | piocb->iocb.ulpStatus = ulpstatus; | |
1078 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1079 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1080 | } | |
1081 | } | |
1082 | return; | |
1083 | } | |
1084 | ||
e59058c4 | 1085 | /** |
3621a710 JS |
1086 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1087 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1088 | * |
1089 | * This function is called by ring event handler function to get the iocb type. | |
1090 | * This function translates the iocb command to an iocb command type used to | |
1091 | * decide the final disposition of each completed IOCB. | |
1092 | * The function returns | |
1093 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1094 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1095 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1096 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1097 | * | |
1098 | * The caller is not required to hold any lock. | |
1099 | **/ | |
dea3101e JB |
1100 | static lpfc_iocb_type |
1101 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1102 | { | |
1103 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1104 | ||
1105 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1106 | return 0; | |
1107 | ||
1108 | switch (iocb_cmnd) { | |
1109 | case CMD_XMIT_SEQUENCE_CR: | |
1110 | case CMD_XMIT_SEQUENCE_CX: | |
1111 | case CMD_XMIT_BCAST_CN: | |
1112 | case CMD_XMIT_BCAST_CX: | |
1113 | case CMD_ELS_REQUEST_CR: | |
1114 | case CMD_ELS_REQUEST_CX: | |
1115 | case CMD_CREATE_XRI_CR: | |
1116 | case CMD_CREATE_XRI_CX: | |
1117 | case CMD_GET_RPI_CN: | |
1118 | case CMD_XMIT_ELS_RSP_CX: | |
1119 | case CMD_GET_RPI_CR: | |
1120 | case CMD_FCP_IWRITE_CR: | |
1121 | case CMD_FCP_IWRITE_CX: | |
1122 | case CMD_FCP_IREAD_CR: | |
1123 | case CMD_FCP_IREAD_CX: | |
1124 | case CMD_FCP_ICMND_CR: | |
1125 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1126 | case CMD_FCP_TSEND_CX: |
1127 | case CMD_FCP_TRSP_CX: | |
1128 | case CMD_FCP_TRECEIVE_CX: | |
1129 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
1130 | case CMD_ADAPTER_MSG: |
1131 | case CMD_ADAPTER_DUMP: | |
1132 | case CMD_XMIT_SEQUENCE64_CR: | |
1133 | case CMD_XMIT_SEQUENCE64_CX: | |
1134 | case CMD_XMIT_BCAST64_CN: | |
1135 | case CMD_XMIT_BCAST64_CX: | |
1136 | case CMD_ELS_REQUEST64_CR: | |
1137 | case CMD_ELS_REQUEST64_CX: | |
1138 | case CMD_FCP_IWRITE64_CR: | |
1139 | case CMD_FCP_IWRITE64_CX: | |
1140 | case CMD_FCP_IREAD64_CR: | |
1141 | case CMD_FCP_IREAD64_CX: | |
1142 | case CMD_FCP_ICMND64_CR: | |
1143 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1144 | case CMD_FCP_TSEND64_CX: |
1145 | case CMD_FCP_TRSP64_CX: | |
1146 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
1147 | case CMD_GEN_REQUEST64_CR: |
1148 | case CMD_GEN_REQUEST64_CX: | |
1149 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1150 | case DSSCMD_IWRITE64_CR: |
1151 | case DSSCMD_IWRITE64_CX: | |
1152 | case DSSCMD_IREAD64_CR: | |
1153 | case DSSCMD_IREAD64_CX: | |
dea3101e JB |
1154 | type = LPFC_SOL_IOCB; |
1155 | break; | |
1156 | case CMD_ABORT_XRI_CN: | |
1157 | case CMD_ABORT_XRI_CX: | |
1158 | case CMD_CLOSE_XRI_CN: | |
1159 | case CMD_CLOSE_XRI_CX: | |
1160 | case CMD_XRI_ABORTED_CX: | |
1161 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1162 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e JB |
1163 | type = LPFC_ABORT_IOCB; |
1164 | break; | |
1165 | case CMD_RCV_SEQUENCE_CX: | |
1166 | case CMD_RCV_ELS_REQ_CX: | |
1167 | case CMD_RCV_SEQUENCE64_CX: | |
1168 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1169 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1170 | case CMD_IOCB_RCV_SEQ64_CX: |
1171 | case CMD_IOCB_RCV_ELS64_CX: | |
1172 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1173 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
1174 | type = LPFC_UNSOL_IOCB; |
1175 | break; | |
3163f725 JS |
1176 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1177 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1178 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1179 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1180 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1181 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1182 | case CMD_IOCB_RET_HBQE64_CN: | |
1183 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1184 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1185 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1186 | case CMD_IOCB_LOGENTRY_CN: | |
1187 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1188 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1189 | __func__, iocb_cmnd); |
3163f725 JS |
1190 | type = LPFC_UNKNOWN_IOCB; |
1191 | break; | |
dea3101e JB |
1192 | default: |
1193 | type = LPFC_UNKNOWN_IOCB; | |
1194 | break; | |
1195 | } | |
1196 | ||
1197 | return type; | |
1198 | } | |
1199 | ||
e59058c4 | 1200 | /** |
3621a710 | 1201 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1202 | * @phba: Pointer to HBA context object. |
1203 | * | |
1204 | * This function is called from SLI initialization code | |
1205 | * to configure every ring of the HBA's SLI interface. The | |
1206 | * caller is not required to hold any lock. This function issues | |
1207 | * a config_ring mailbox command for each ring. | |
1208 | * This function returns zero if successful else returns a negative | |
1209 | * error code. | |
1210 | **/ | |
dea3101e | 1211 | static int |
ed957684 | 1212 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
1213 | { |
1214 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1215 | LPFC_MBOXQ_t *pmb; |
1216 | MAILBOX_t *pmbox; | |
1217 | int i, rc, ret = 0; | |
dea3101e | 1218 | |
ed957684 JS |
1219 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1220 | if (!pmb) | |
1221 | return -ENOMEM; | |
04c68496 | 1222 | pmbox = &pmb->u.mb; |
ed957684 | 1223 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1224 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
1225 | lpfc_config_ring(phba, i, pmb); |
1226 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1227 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 1228 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 1229 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
1230 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1231 | "ring %d\n", | |
e8b62011 JS |
1232 | rc, pmbox->mbxCommand, |
1233 | pmbox->mbxStatus, i); | |
2e0fef85 | 1234 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1235 | ret = -ENXIO; |
1236 | break; | |
dea3101e JB |
1237 | } |
1238 | } | |
ed957684 JS |
1239 | mempool_free(pmb, phba->mbox_mem_pool); |
1240 | return ret; | |
dea3101e JB |
1241 | } |
1242 | ||
e59058c4 | 1243 | /** |
3621a710 | 1244 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1245 | * @phba: Pointer to HBA context object. |
1246 | * @pring: Pointer to driver SLI ring object. | |
1247 | * @piocb: Pointer to the driver iocb object. | |
1248 | * | |
1249 | * This function is called with hbalock held. The function adds the | |
1250 | * new iocb to txcmplq of the given ring. This function always returns | |
1251 | * 0. If this function is called for ELS ring, this function checks if | |
1252 | * there is a vport associated with the ELS command. This function also | |
1253 | * starts els_tmofunc timer if this is an ELS command. | |
1254 | **/ | |
dea3101e | 1255 | static int |
2e0fef85 JS |
1256 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1257 | struct lpfc_iocbq *piocb) | |
dea3101e | 1258 | { |
dea3101e | 1259 | list_add_tail(&piocb->list, &pring->txcmplq); |
2a9bf3d0 | 1260 | piocb->iocb_flag |= LPFC_IO_ON_Q; |
dea3101e | 1261 | pring->txcmplq_cnt++; |
2a9bf3d0 JS |
1262 | if (pring->txcmplq_cnt > pring->txcmplq_max) |
1263 | pring->txcmplq_max = pring->txcmplq_cnt; | |
1264 | ||
92d7f7b0 JS |
1265 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1266 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
1267 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
1268 | if (!piocb->vport) | |
1269 | BUG(); | |
1270 | else | |
1271 | mod_timer(&piocb->vport->els_tmofunc, | |
1272 | jiffies + HZ * (phba->fc_ratov << 1)); | |
1273 | } | |
1274 | ||
dea3101e | 1275 | |
2e0fef85 | 1276 | return 0; |
dea3101e JB |
1277 | } |
1278 | ||
e59058c4 | 1279 | /** |
3621a710 | 1280 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1281 | * @phba: Pointer to HBA context object. |
1282 | * @pring: Pointer to driver SLI ring object. | |
1283 | * | |
1284 | * This function is called with hbalock held to get next | |
1285 | * iocb in txq of the given ring. If there is any iocb in | |
1286 | * the txq, the function returns first iocb in the list after | |
1287 | * removing the iocb from the list, else it returns NULL. | |
1288 | **/ | |
2a9bf3d0 | 1289 | struct lpfc_iocbq * |
2e0fef85 | 1290 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1291 | { |
dea3101e JB |
1292 | struct lpfc_iocbq *cmd_iocb; |
1293 | ||
858c9f6c JS |
1294 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
1295 | if (cmd_iocb != NULL) | |
dea3101e | 1296 | pring->txq_cnt--; |
2e0fef85 | 1297 | return cmd_iocb; |
dea3101e JB |
1298 | } |
1299 | ||
e59058c4 | 1300 | /** |
3621a710 | 1301 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1302 | * @phba: Pointer to HBA context object. |
1303 | * @pring: Pointer to driver SLI ring object. | |
1304 | * | |
1305 | * This function is called with hbalock held and the caller must post the | |
1306 | * iocb without releasing the lock. If the caller releases the lock, | |
1307 | * iocb slot returned by the function is not guaranteed to be available. | |
1308 | * The function returns pointer to the next available iocb slot if there | |
1309 | * is available slot in the ring, else it returns NULL. | |
1310 | * If the get index of the ring is ahead of the put index, the function | |
1311 | * will post an error attention event to the worker thread to take the | |
1312 | * HBA to offline state. | |
1313 | **/ | |
dea3101e JB |
1314 | static IOCB_t * |
1315 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1316 | { | |
34b02dcd | 1317 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 1318 | uint32_t max_cmd_idx = pring->numCiocb; |
dea3101e JB |
1319 | if ((pring->next_cmdidx == pring->cmdidx) && |
1320 | (++pring->next_cmdidx >= max_cmd_idx)) | |
1321 | pring->next_cmdidx = 0; | |
1322 | ||
1323 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { | |
1324 | ||
1325 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1326 | ||
1327 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { | |
1328 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1329 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1330 | "is bigger than cmd ring %d\n", |
e8b62011 | 1331 | pring->ringno, |
dea3101e JB |
1332 | pring->local_getidx, max_cmd_idx); |
1333 | ||
2e0fef85 | 1334 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1335 | /* |
1336 | * All error attention handlers are posted to | |
1337 | * worker thread | |
1338 | */ | |
1339 | phba->work_ha |= HA_ERATT; | |
1340 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1341 | |
5e9d9b82 | 1342 | lpfc_worker_wake_up(phba); |
dea3101e JB |
1343 | |
1344 | return NULL; | |
1345 | } | |
1346 | ||
1347 | if (pring->local_getidx == pring->next_cmdidx) | |
1348 | return NULL; | |
1349 | } | |
1350 | ||
ed957684 | 1351 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
1352 | } |
1353 | ||
e59058c4 | 1354 | /** |
3621a710 | 1355 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1356 | * @phba: Pointer to HBA context object. |
1357 | * @iocbq: Pointer to driver iocb object. | |
1358 | * | |
1359 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1360 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1361 | * array and assigns a new iotag. | |
1362 | * The function returns the allocated iotag if successful, else returns zero. | |
1363 | * Zero is not a valid iotag. | |
1364 | * The caller is not required to hold any lock. | |
1365 | **/ | |
604a3e30 | 1366 | uint16_t |
2e0fef85 | 1367 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1368 | { |
2e0fef85 JS |
1369 | struct lpfc_iocbq **new_arr; |
1370 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1371 | size_t new_len; |
1372 | struct lpfc_sli *psli = &phba->sli; | |
1373 | uint16_t iotag; | |
dea3101e | 1374 | |
2e0fef85 | 1375 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1376 | iotag = psli->last_iotag; |
1377 | if(++iotag < psli->iocbq_lookup_len) { | |
1378 | psli->last_iotag = iotag; | |
1379 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1380 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1381 | iocbq->iotag = iotag; |
1382 | return iotag; | |
2e0fef85 | 1383 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1384 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1385 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 JS |
1386 | spin_unlock_irq(&phba->hbalock); |
1387 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), | |
604a3e30 JB |
1388 | GFP_KERNEL); |
1389 | if (new_arr) { | |
2e0fef85 | 1390 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1391 | old_arr = psli->iocbq_lookup; |
1392 | if (new_len <= psli->iocbq_lookup_len) { | |
1393 | /* highly unprobable case */ | |
1394 | kfree(new_arr); | |
1395 | iotag = psli->last_iotag; | |
1396 | if(++iotag < psli->iocbq_lookup_len) { | |
1397 | psli->last_iotag = iotag; | |
1398 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1399 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1400 | iocbq->iotag = iotag; |
1401 | return iotag; | |
1402 | } | |
2e0fef85 | 1403 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1404 | return 0; |
1405 | } | |
1406 | if (psli->iocbq_lookup) | |
1407 | memcpy(new_arr, old_arr, | |
1408 | ((psli->last_iotag + 1) * | |
311464ec | 1409 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1410 | psli->iocbq_lookup = new_arr; |
1411 | psli->iocbq_lookup_len = new_len; | |
1412 | psli->last_iotag = iotag; | |
1413 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1414 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1415 | iocbq->iotag = iotag; |
1416 | kfree(old_arr); | |
1417 | return iotag; | |
1418 | } | |
8f6d98d2 | 1419 | } else |
2e0fef85 | 1420 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1421 | |
bc73905a | 1422 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1423 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1424 | psli->last_iotag); | |
dea3101e | 1425 | |
604a3e30 | 1426 | return 0; |
dea3101e JB |
1427 | } |
1428 | ||
e59058c4 | 1429 | /** |
3621a710 | 1430 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1431 | * @phba: Pointer to HBA context object. |
1432 | * @pring: Pointer to driver SLI ring object. | |
1433 | * @iocb: Pointer to iocb slot in the ring. | |
1434 | * @nextiocb: Pointer to driver iocb object which need to be | |
1435 | * posted to firmware. | |
1436 | * | |
1437 | * This function is called with hbalock held to post a new iocb to | |
1438 | * the firmware. This function copies the new iocb to ring iocb slot and | |
1439 | * updates the ring pointers. It adds the new iocb to txcmplq if there is | |
1440 | * a completion call back for this iocb else the function will free the | |
1441 | * iocb object. | |
1442 | **/ | |
dea3101e JB |
1443 | static void |
1444 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1445 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1446 | { | |
1447 | /* | |
604a3e30 | 1448 | * Set up an iotag |
dea3101e | 1449 | */ |
604a3e30 | 1450 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1451 | |
e2a0a9d6 | 1452 | |
a58cbd52 JS |
1453 | if (pring->ringno == LPFC_ELS_RING) { |
1454 | lpfc_debugfs_slow_ring_trc(phba, | |
1455 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1456 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1457 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1458 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1459 | } | |
1460 | ||
dea3101e JB |
1461 | /* |
1462 | * Issue iocb command to adapter | |
1463 | */ | |
92d7f7b0 | 1464 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
1465 | wmb(); |
1466 | pring->stats.iocb_cmd++; | |
1467 | ||
1468 | /* | |
1469 | * If there is no completion routine to call, we can release the | |
1470 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1471 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1472 | */ | |
1473 | if (nextiocb->iocb_cmpl) | |
1474 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1475 | else |
2e0fef85 | 1476 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
1477 | |
1478 | /* | |
1479 | * Let the HBA know what IOCB slot will be the next one the | |
1480 | * driver will put a command into. | |
1481 | */ | |
1482 | pring->cmdidx = pring->next_cmdidx; | |
ed957684 | 1483 | writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); |
dea3101e JB |
1484 | } |
1485 | ||
e59058c4 | 1486 | /** |
3621a710 | 1487 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1488 | * @phba: Pointer to HBA context object. |
1489 | * @pring: Pointer to driver SLI ring object. | |
1490 | * | |
1491 | * The caller is not required to hold any lock for calling this function. | |
1492 | * This function updates the chip attention bits for the ring to inform firmware | |
1493 | * that there are pending work to be done for this ring and requests an | |
1494 | * interrupt when there is space available in the ring. This function is | |
1495 | * called when the driver is unable to post more iocbs to the ring due | |
1496 | * to unavailability of space in the ring. | |
1497 | **/ | |
dea3101e | 1498 | static void |
2e0fef85 | 1499 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1500 | { |
1501 | int ringno = pring->ringno; | |
1502 | ||
1503 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1504 | ||
1505 | wmb(); | |
1506 | ||
1507 | /* | |
1508 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1509 | * The HBA will tell us when an IOCB entry is available. | |
1510 | */ | |
1511 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1512 | readl(phba->CAregaddr); /* flush */ | |
1513 | ||
1514 | pring->stats.iocb_cmd_full++; | |
1515 | } | |
1516 | ||
e59058c4 | 1517 | /** |
3621a710 | 1518 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1519 | * @phba: Pointer to HBA context object. |
1520 | * @pring: Pointer to driver SLI ring object. | |
1521 | * | |
1522 | * This function updates the chip attention register bit for the | |
1523 | * given ring to inform HBA that there is more work to be done | |
1524 | * in this ring. The caller is not required to hold any lock. | |
1525 | **/ | |
dea3101e | 1526 | static void |
2e0fef85 | 1527 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1528 | { |
1529 | int ringno = pring->ringno; | |
1530 | ||
1531 | /* | |
1532 | * Tell the HBA that there is work to do in this ring. | |
1533 | */ | |
34b02dcd JS |
1534 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1535 | wmb(); | |
1536 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1537 | readl(phba->CAregaddr); /* flush */ | |
1538 | } | |
dea3101e JB |
1539 | } |
1540 | ||
e59058c4 | 1541 | /** |
3621a710 | 1542 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1543 | * @phba: Pointer to HBA context object. |
1544 | * @pring: Pointer to driver SLI ring object. | |
1545 | * | |
1546 | * This function is called with hbalock held to post pending iocbs | |
1547 | * in the txq to the firmware. This function is called when driver | |
1548 | * detects space available in the ring. | |
1549 | **/ | |
dea3101e | 1550 | static void |
2e0fef85 | 1551 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1552 | { |
1553 | IOCB_t *iocb; | |
1554 | struct lpfc_iocbq *nextiocb; | |
1555 | ||
1556 | /* | |
1557 | * Check to see if: | |
1558 | * (a) there is anything on the txq to send | |
1559 | * (b) link is up | |
1560 | * (c) link attention events can be processed (fcp ring only) | |
1561 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1562 | */ | |
1563 | if (pring->txq_cnt && | |
2e0fef85 | 1564 | lpfc_is_link_up(phba) && |
dea3101e | 1565 | (pring->ringno != phba->sli.fcp_ring || |
0b727fea | 1566 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
1567 | |
1568 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1569 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1570 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1571 | ||
1572 | if (iocb) | |
1573 | lpfc_sli_update_ring(phba, pring); | |
1574 | else | |
1575 | lpfc_sli_update_full_ring(phba, pring); | |
1576 | } | |
1577 | ||
1578 | return; | |
1579 | } | |
1580 | ||
e59058c4 | 1581 | /** |
3621a710 | 1582 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1583 | * @phba: Pointer to HBA context object. |
1584 | * @hbqno: HBQ number. | |
1585 | * | |
1586 | * This function is called with hbalock held to get the next | |
1587 | * available slot for the given HBQ. If there is free slot | |
1588 | * available for the HBQ it will return pointer to the next available | |
1589 | * HBQ entry else it will return NULL. | |
1590 | **/ | |
a6ababd2 | 1591 | static struct lpfc_hbq_entry * |
ed957684 JS |
1592 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1593 | { | |
1594 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1595 | ||
1596 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && | |
1597 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1598 | hbqp->next_hbqPutIdx = 0; | |
1599 | ||
1600 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1601 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1602 | uint32_t getidx = le32_to_cpu(raw_index); |
1603 | ||
1604 | hbqp->local_hbqGetIdx = getidx; | |
1605 | ||
1606 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
1607 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 1608 | LOG_SLI | LOG_VPORT, |
e8b62011 | 1609 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1610 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1611 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1612 | hbqp->entry_count); |
1613 | ||
1614 | phba->link_state = LPFC_HBA_ERROR; | |
1615 | return NULL; | |
1616 | } | |
1617 | ||
1618 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1619 | return NULL; | |
1620 | } | |
1621 | ||
51ef4c26 JS |
1622 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1623 | hbqp->hbqPutIdx; | |
ed957684 JS |
1624 | } |
1625 | ||
e59058c4 | 1626 | /** |
3621a710 | 1627 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1628 | * @phba: Pointer to HBA context object. |
1629 | * | |
1630 | * This function is called with no lock held to free all the | |
1631 | * hbq buffers while uninitializing the SLI interface. It also | |
1632 | * frees the HBQ buffers returned by the firmware but not yet | |
1633 | * processed by the upper layers. | |
1634 | **/ | |
ed957684 JS |
1635 | void |
1636 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
1637 | { | |
92d7f7b0 JS |
1638 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
1639 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 1640 | unsigned long flags; |
51ef4c26 | 1641 | int i, hbq_count; |
3163f725 | 1642 | uint32_t hbqno; |
ed957684 | 1643 | |
51ef4c26 | 1644 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 1645 | /* Return all memory used by all HBQs */ |
3163f725 | 1646 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
1647 | for (i = 0; i < hbq_count; ++i) { |
1648 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
1649 | &phba->hbqs[i].hbq_buffer_list, list) { | |
1650 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
1651 | list_del(&hbq_buf->dbuf.list); | |
1652 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
1653 | } | |
a8adb832 | 1654 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 1655 | } |
3163f725 | 1656 | /* Return all HBQ buffer that are in-fly */ |
3772a991 JS |
1657 | list_for_each_entry_safe(dmabuf, next_dmabuf, &phba->rb_pend_list, |
1658 | list) { | |
3163f725 JS |
1659 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); |
1660 | list_del(&hbq_buf->dbuf.list); | |
1661 | if (hbq_buf->tag == -1) { | |
1662 | (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) | |
1663 | (phba, hbq_buf); | |
1664 | } else { | |
1665 | hbqno = hbq_buf->tag >> 16; | |
1666 | if (hbqno >= LPFC_MAX_HBQS) | |
1667 | (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) | |
1668 | (phba, hbq_buf); | |
1669 | else | |
1670 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, | |
1671 | hbq_buf); | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | /* Mark the HBQs not in use */ | |
1676 | phba->hbq_in_use = 0; | |
1677 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
1678 | } |
1679 | ||
e59058c4 | 1680 | /** |
3621a710 | 1681 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
1682 | * @phba: Pointer to HBA context object. |
1683 | * @hbqno: HBQ number. | |
1684 | * @hbq_buf: Pointer to HBQ buffer. | |
1685 | * | |
1686 | * This function is called with the hbalock held to post a | |
1687 | * hbq buffer to the firmware. If the function finds an empty | |
1688 | * slot in the HBQ, it will post the buffer. The function will return | |
1689 | * pointer to the hbq entry if it successfully post the buffer | |
1690 | * else it will return NULL. | |
1691 | **/ | |
3772a991 | 1692 | static int |
ed957684 | 1693 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 1694 | struct hbq_dmabuf *hbq_buf) |
3772a991 JS |
1695 | { |
1696 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); | |
1697 | } | |
1698 | ||
1699 | /** | |
1700 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
1701 | * @phba: Pointer to HBA context object. | |
1702 | * @hbqno: HBQ number. | |
1703 | * @hbq_buf: Pointer to HBQ buffer. | |
1704 | * | |
1705 | * This function is called with the hbalock held to post a hbq buffer to the | |
1706 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
1707 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
1708 | * it successfully post the buffer else it will return an error. | |
1709 | **/ | |
1710 | static int | |
1711 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
1712 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
1713 | { |
1714 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 1715 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 JS |
1716 | |
1717 | /* Get next HBQ entry slot to use */ | |
1718 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
1719 | if (hbqe) { | |
1720 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1721 | ||
92d7f7b0 JS |
1722 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
1723 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
51ef4c26 | 1724 | hbqe->bde.tus.f.bdeSize = hbq_buf->size; |
ed957684 | 1725 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
1726 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
1727 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
1728 | /* Sync SLIM */ | |
ed957684 JS |
1729 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
1730 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 1731 | /* flush */ |
ed957684 | 1732 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 1733 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
1734 | return 0; |
1735 | } else | |
1736 | return -ENOMEM; | |
ed957684 JS |
1737 | } |
1738 | ||
4f774513 JS |
1739 | /** |
1740 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
1741 | * @phba: Pointer to HBA context object. | |
1742 | * @hbqno: HBQ number. | |
1743 | * @hbq_buf: Pointer to HBQ buffer. | |
1744 | * | |
1745 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
1746 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
1747 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
1748 | **/ | |
1749 | static int | |
1750 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
1751 | struct hbq_dmabuf *hbq_buf) | |
1752 | { | |
1753 | int rc; | |
1754 | struct lpfc_rqe hrqe; | |
1755 | struct lpfc_rqe drqe; | |
1756 | ||
1757 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); | |
1758 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
1759 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
1760 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
1761 | rc = lpfc_sli4_rq_put(phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, | |
1762 | &hrqe, &drqe); | |
1763 | if (rc < 0) | |
1764 | return rc; | |
1765 | hbq_buf->tag = rc; | |
1766 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); | |
1767 | return 0; | |
1768 | } | |
1769 | ||
e59058c4 | 1770 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
1771 | static struct lpfc_hbq_init lpfc_els_hbq = { |
1772 | .rn = 1, | |
def9c7a9 | 1773 | .entry_count = 256, |
92d7f7b0 JS |
1774 | .mask_count = 0, |
1775 | .profile = 0, | |
51ef4c26 | 1776 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 1777 | .buffer_count = 0, |
a257bf90 JS |
1778 | .init_count = 40, |
1779 | .add_count = 40, | |
92d7f7b0 | 1780 | }; |
ed957684 | 1781 | |
e59058c4 | 1782 | /* HBQ for the extra ring if needed */ |
51ef4c26 JS |
1783 | static struct lpfc_hbq_init lpfc_extra_hbq = { |
1784 | .rn = 1, | |
1785 | .entry_count = 200, | |
1786 | .mask_count = 0, | |
1787 | .profile = 0, | |
1788 | .ring_mask = (1 << LPFC_EXTRA_RING), | |
1789 | .buffer_count = 0, | |
1790 | .init_count = 0, | |
1791 | .add_count = 5, | |
1792 | }; | |
1793 | ||
e59058c4 | 1794 | /* Array of HBQs */ |
78b2d852 | 1795 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 | 1796 | &lpfc_els_hbq, |
51ef4c26 | 1797 | &lpfc_extra_hbq, |
92d7f7b0 | 1798 | }; |
ed957684 | 1799 | |
e59058c4 | 1800 | /** |
3621a710 | 1801 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
1802 | * @phba: Pointer to HBA context object. |
1803 | * @hbqno: HBQ number. | |
1804 | * @count: Number of HBQ buffers to be posted. | |
1805 | * | |
d7c255b2 JS |
1806 | * This function is called with no lock held to post more hbq buffers to the |
1807 | * given HBQ. The function returns the number of HBQ buffers successfully | |
1808 | * posted. | |
e59058c4 | 1809 | **/ |
311464ec | 1810 | static int |
92d7f7b0 | 1811 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 1812 | { |
d7c255b2 | 1813 | uint32_t i, posted = 0; |
3163f725 | 1814 | unsigned long flags; |
92d7f7b0 | 1815 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 1816 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 1817 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 1818 | return 0; |
51ef4c26 | 1819 | |
d7c255b2 JS |
1820 | if ((phba->hbqs[hbqno].buffer_count + count) > |
1821 | lpfc_hbq_defs[hbqno]->entry_count) | |
1822 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
1823 | phba->hbqs[hbqno].buffer_count; | |
1824 | if (!count) | |
1825 | return 0; | |
1826 | /* Allocate HBQ entries */ | |
1827 | for (i = 0; i < count; i++) { | |
1828 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
1829 | if (!hbq_buffer) | |
1830 | break; | |
1831 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
1832 | } | |
3163f725 JS |
1833 | /* Check whether HBQ is still in use */ |
1834 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 1835 | if (!phba->hbq_in_use) |
d7c255b2 JS |
1836 | goto err; |
1837 | while (!list_empty(&hbq_buf_list)) { | |
1838 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1839 | dbuf.list); | |
1840 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
1841 | (hbqno << 16)); | |
3772a991 | 1842 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 1843 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
1844 | posted++; |
1845 | } else | |
51ef4c26 | 1846 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 1847 | } |
3163f725 | 1848 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1849 | return posted; |
1850 | err: | |
eafe1df9 | 1851 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1852 | while (!list_empty(&hbq_buf_list)) { |
1853 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1854 | dbuf.list); | |
1855 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
1856 | } | |
1857 | return 0; | |
ed957684 JS |
1858 | } |
1859 | ||
e59058c4 | 1860 | /** |
3621a710 | 1861 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
1862 | * @phba: Pointer to HBA context object. |
1863 | * @qno: HBQ number. | |
1864 | * | |
1865 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
1866 | * is called with no lock held. The function returns the number of HBQ entries |
1867 | * successfully allocated. | |
e59058c4 | 1868 | **/ |
92d7f7b0 JS |
1869 | int |
1870 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 1871 | { |
def9c7a9 JS |
1872 | if (phba->sli_rev == LPFC_SLI_REV4) |
1873 | return 0; | |
1874 | else | |
1875 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
1876 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 1877 | } |
ed957684 | 1878 | |
e59058c4 | 1879 | /** |
3621a710 | 1880 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
1881 | * @phba: Pointer to HBA context object. |
1882 | * @qno: HBQ queue number. | |
1883 | * | |
1884 | * This function is called from SLI initialization code path with | |
1885 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 1886 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 1887 | **/ |
a6ababd2 | 1888 | static int |
92d7f7b0 JS |
1889 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
1890 | { | |
def9c7a9 JS |
1891 | if (phba->sli_rev == LPFC_SLI_REV4) |
1892 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 1893 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
1894 | else |
1895 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
1896 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
1897 | } |
1898 | ||
3772a991 JS |
1899 | /** |
1900 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list | |
1901 | * @phba: Pointer to HBA context object. | |
1902 | * @hbqno: HBQ number. | |
1903 | * | |
1904 | * This function removes the first hbq buffer on an hbq list and returns a | |
1905 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
1906 | **/ | |
1907 | static struct hbq_dmabuf * | |
1908 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
1909 | { | |
1910 | struct lpfc_dmabuf *d_buf; | |
1911 | ||
1912 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
1913 | if (!d_buf) | |
1914 | return NULL; | |
1915 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
1916 | } | |
1917 | ||
e59058c4 | 1918 | /** |
3621a710 | 1919 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
1920 | * @phba: Pointer to HBA context object. |
1921 | * @tag: Tag of the hbq buffer. | |
1922 | * | |
1923 | * This function is called with hbalock held. This function searches | |
1924 | * for the hbq buffer associated with the given tag in the hbq buffer | |
1925 | * list. If it finds the hbq buffer, it returns the hbq_buffer other wise | |
1926 | * it returns NULL. | |
1927 | **/ | |
a6ababd2 | 1928 | static struct hbq_dmabuf * |
92d7f7b0 | 1929 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 1930 | { |
92d7f7b0 JS |
1931 | struct lpfc_dmabuf *d_buf; |
1932 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
1933 | uint32_t hbqno; |
1934 | ||
1935 | hbqno = tag >> 16; | |
a0a74e45 | 1936 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 1937 | return NULL; |
ed957684 | 1938 | |
3772a991 | 1939 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 1940 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 1941 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 1942 | if (hbq_buf->tag == tag) { |
3772a991 | 1943 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 1944 | return hbq_buf; |
ed957684 JS |
1945 | } |
1946 | } | |
3772a991 | 1947 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 1948 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 1949 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 1950 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 1951 | return NULL; |
ed957684 JS |
1952 | } |
1953 | ||
e59058c4 | 1954 | /** |
3621a710 | 1955 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
1956 | * @phba: Pointer to HBA context object. |
1957 | * @hbq_buffer: Pointer to HBQ buffer. | |
1958 | * | |
1959 | * This function is called with hbalock. This function gives back | |
1960 | * the hbq buffer to firmware. If the HBQ does not have space to | |
1961 | * post the buffer, it will free the buffer. | |
1962 | **/ | |
ed957684 | 1963 | void |
51ef4c26 | 1964 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
1965 | { |
1966 | uint32_t hbqno; | |
1967 | ||
51ef4c26 JS |
1968 | if (hbq_buffer) { |
1969 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 1970 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 1971 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
1972 | } |
1973 | } | |
1974 | ||
e59058c4 | 1975 | /** |
3621a710 | 1976 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
1977 | * @mbxCommand: mailbox command code. |
1978 | * | |
1979 | * This function is called by the mailbox event handler function to verify | |
1980 | * that the completed mailbox command is a legitimate mailbox command. If the | |
1981 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
1982 | * and the mailbox event handler will take the HBA offline. | |
1983 | **/ | |
dea3101e JB |
1984 | static int |
1985 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
1986 | { | |
1987 | uint8_t ret; | |
1988 | ||
1989 | switch (mbxCommand) { | |
1990 | case MBX_LOAD_SM: | |
1991 | case MBX_READ_NV: | |
1992 | case MBX_WRITE_NV: | |
a8adb832 | 1993 | case MBX_WRITE_VPARMS: |
dea3101e JB |
1994 | case MBX_RUN_BIU_DIAG: |
1995 | case MBX_INIT_LINK: | |
1996 | case MBX_DOWN_LINK: | |
1997 | case MBX_CONFIG_LINK: | |
1998 | case MBX_CONFIG_RING: | |
1999 | case MBX_RESET_RING: | |
2000 | case MBX_READ_CONFIG: | |
2001 | case MBX_READ_RCONFIG: | |
2002 | case MBX_READ_SPARM: | |
2003 | case MBX_READ_STATUS: | |
2004 | case MBX_READ_RPI: | |
2005 | case MBX_READ_XRI: | |
2006 | case MBX_READ_REV: | |
2007 | case MBX_READ_LNK_STAT: | |
2008 | case MBX_REG_LOGIN: | |
2009 | case MBX_UNREG_LOGIN: | |
dea3101e JB |
2010 | case MBX_CLEAR_LA: |
2011 | case MBX_DUMP_MEMORY: | |
2012 | case MBX_DUMP_CONTEXT: | |
2013 | case MBX_RUN_DIAGS: | |
2014 | case MBX_RESTART: | |
2015 | case MBX_UPDATE_CFG: | |
2016 | case MBX_DOWN_LOAD: | |
2017 | case MBX_DEL_LD_ENTRY: | |
2018 | case MBX_RUN_PROGRAM: | |
2019 | case MBX_SET_MASK: | |
09372820 | 2020 | case MBX_SET_VARIABLE: |
dea3101e | 2021 | case MBX_UNREG_D_ID: |
41415862 | 2022 | case MBX_KILL_BOARD: |
dea3101e | 2023 | case MBX_CONFIG_FARP: |
41415862 | 2024 | case MBX_BEACON: |
dea3101e JB |
2025 | case MBX_LOAD_AREA: |
2026 | case MBX_RUN_BIU_DIAG64: | |
2027 | case MBX_CONFIG_PORT: | |
2028 | case MBX_READ_SPARM64: | |
2029 | case MBX_READ_RPI64: | |
2030 | case MBX_REG_LOGIN64: | |
76a95d75 | 2031 | case MBX_READ_TOPOLOGY: |
09372820 | 2032 | case MBX_WRITE_WWN: |
dea3101e JB |
2033 | case MBX_SET_DEBUG: |
2034 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2035 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2036 | case MBX_REG_VPI: |
2037 | case MBX_UNREG_VPI: | |
858c9f6c | 2038 | case MBX_HEARTBEAT: |
84774a4d JS |
2039 | case MBX_PORT_CAPABILITIES: |
2040 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2041 | case MBX_SLI4_CONFIG: |
2042 | case MBX_SLI4_REQ_FTRS: | |
2043 | case MBX_REG_FCFI: | |
2044 | case MBX_UNREG_FCFI: | |
2045 | case MBX_REG_VFI: | |
2046 | case MBX_UNREG_VFI: | |
2047 | case MBX_INIT_VPI: | |
2048 | case MBX_INIT_VFI: | |
2049 | case MBX_RESUME_RPI: | |
c7495937 JS |
2050 | case MBX_READ_EVENT_LOG_STATUS: |
2051 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2052 | case MBX_SECURITY_MGMT: |
2053 | case MBX_AUTH_PORT: | |
dea3101e JB |
2054 | ret = mbxCommand; |
2055 | break; | |
2056 | default: | |
2057 | ret = MBX_SHUTDOWN; | |
2058 | break; | |
2059 | } | |
2e0fef85 | 2060 | return ret; |
dea3101e | 2061 | } |
e59058c4 JS |
2062 | |
2063 | /** | |
3621a710 | 2064 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2065 | * @phba: Pointer to HBA context object. |
2066 | * @pmboxq: Pointer to mailbox command. | |
2067 | * | |
2068 | * This is completion handler function for mailbox commands issued from | |
2069 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2070 | * mailbox event handler function with no lock held. This function | |
2071 | * will wake up thread waiting on the wait queue pointed by context1 | |
2072 | * of the mailbox. | |
2073 | **/ | |
04c68496 | 2074 | void |
2e0fef85 | 2075 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e JB |
2076 | { |
2077 | wait_queue_head_t *pdone_q; | |
858c9f6c | 2078 | unsigned long drvr_flag; |
dea3101e JB |
2079 | |
2080 | /* | |
2081 | * If pdone_q is empty, the driver thread gave up waiting and | |
2082 | * continued running. | |
2083 | */ | |
7054a606 | 2084 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2085 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e JB |
2086 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
2087 | if (pdone_q) | |
2088 | wake_up_interruptible(pdone_q); | |
858c9f6c | 2089 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2090 | return; |
2091 | } | |
2092 | ||
e59058c4 JS |
2093 | |
2094 | /** | |
3621a710 | 2095 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2096 | * @phba: Pointer to HBA context object. |
2097 | * @pmb: Pointer to mailbox object. | |
2098 | * | |
2099 | * This function is the default mailbox completion handler. It | |
2100 | * frees the memory resources associated with the completed mailbox | |
2101 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2102 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2103 | **/ | |
dea3101e | 2104 | void |
2e0fef85 | 2105 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2106 | { |
d439d286 | 2107 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2108 | struct lpfc_dmabuf *mp; |
d439d286 | 2109 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2110 | struct Scsi_Host *shost; |
04c68496 | 2111 | uint16_t rpi, vpi; |
7054a606 JS |
2112 | int rc; |
2113 | ||
dea3101e | 2114 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 2115 | |
dea3101e JB |
2116 | if (mp) { |
2117 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2118 | kfree(mp); | |
2119 | } | |
7054a606 JS |
2120 | |
2121 | /* | |
2122 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2123 | * is in re-discovery driver need to cleanup the RPI. | |
2124 | */ | |
2e0fef85 | 2125 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2126 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2127 | !pmb->u.mb.mbxStatus) { | |
2128 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2129 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
04c68496 | 2130 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
92d7f7b0 | 2131 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2132 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2133 | if (rc != MBX_NOT_FINISHED) | |
2134 | return; | |
2135 | } | |
2136 | ||
695a814e JS |
2137 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2138 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2139 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2140 | shost = lpfc_shost_from_vport(vport); |
2141 | spin_lock_irq(shost->host_lock); | |
2142 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2143 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2144 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2145 | } |
2146 | ||
d439d286 JS |
2147 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
2148 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
2149 | lpfc_nlp_put(ndlp); | |
2150 | pmb->context2 = NULL; | |
2151 | } | |
2152 | ||
dcf2a4e0 JS |
2153 | /* Check security permission status on INIT_LINK mailbox command */ |
2154 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2155 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
2156 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2157 | "2860 SLI authentication is required " | |
2158 | "for INIT_LINK but has not done yet\n"); | |
2159 | ||
04c68496 JS |
2160 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2161 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2162 | else | |
2163 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e JB |
2164 | } |
2165 | ||
e59058c4 | 2166 | /** |
3621a710 | 2167 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2168 | * @phba: Pointer to HBA context object. |
2169 | * | |
2170 | * This function is called with no lock held. This function processes all | |
2171 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2172 | * service routine processes mailbox completion interrupt and adds completed | |
2173 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2174 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2175 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2176 | * function returns the mailbox commands to the upper layer by calling the | |
2177 | * completion handler function of each mailbox. | |
2178 | **/ | |
dea3101e | 2179 | int |
2e0fef85 | 2180 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2181 | { |
92d7f7b0 | 2182 | MAILBOX_t *pmbox; |
dea3101e | 2183 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2184 | int rc; |
2185 | LIST_HEAD(cmplq); | |
dea3101e JB |
2186 | |
2187 | phba->sli.slistat.mbox_event++; | |
2188 | ||
92d7f7b0 JS |
2189 | /* Get all completed mailboxe buffers into the cmplq */ |
2190 | spin_lock_irq(&phba->hbalock); | |
2191 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2192 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2193 | |
92d7f7b0 JS |
2194 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2195 | do { | |
2196 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2197 | if (pmb == NULL) | |
2198 | break; | |
2e0fef85 | 2199 | |
04c68496 | 2200 | pmbox = &pmb->u.mb; |
dea3101e | 2201 | |
858c9f6c JS |
2202 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2203 | if (pmb->vport) { | |
2204 | lpfc_debugfs_disc_trc(pmb->vport, | |
2205 | LPFC_DISC_TRC_MBOX_VPORT, | |
2206 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2207 | (uint32_t)pmbox->mbxCommand, | |
2208 | pmbox->un.varWords[0], | |
2209 | pmbox->un.varWords[1]); | |
2210 | } | |
2211 | else { | |
2212 | lpfc_debugfs_disc_trc(phba->pport, | |
2213 | LPFC_DISC_TRC_MBOX, | |
2214 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2215 | (uint32_t)pmbox->mbxCommand, | |
2216 | pmbox->un.varWords[0], | |
2217 | pmbox->un.varWords[1]); | |
2218 | } | |
2219 | } | |
2220 | ||
dea3101e JB |
2221 | /* |
2222 | * It is a fatal error if unknown mbox command completion. | |
2223 | */ | |
2224 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2225 | MBX_SHUTDOWN) { | |
af901ca1 | 2226 | /* Unknown mailbox command compl */ |
92d7f7b0 | 2227 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2228 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2229 | "x%x (x%x/x%x) Cmpl\n", |
92d7f7b0 | 2230 | pmb->vport ? pmb->vport->vpi : 0, |
04c68496 | 2231 | pmbox->mbxCommand, |
a183a15f JS |
2232 | lpfc_sli_config_mbox_subsys_get(phba, |
2233 | pmb), | |
2234 | lpfc_sli_config_mbox_opcode_get(phba, | |
2235 | pmb)); | |
2e0fef85 | 2236 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2237 | phba->work_hs = HS_FFER3; |
2238 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2239 | continue; |
dea3101e JB |
2240 | } |
2241 | ||
dea3101e JB |
2242 | if (pmbox->mbxStatus) { |
2243 | phba->sli.slistat.mbox_stat_err++; | |
2244 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2245 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2246 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2247 | LOG_MBOX | LOG_SLI, |
2248 | "(%d):0305 Mbox cmd cmpl " | |
2249 | "error - RETRYing Data: x%x " | |
2250 | "(x%x/x%x) x%x x%x x%x\n", | |
2251 | pmb->vport ? pmb->vport->vpi : 0, | |
2252 | pmbox->mbxCommand, | |
2253 | lpfc_sli_config_mbox_subsys_get(phba, | |
2254 | pmb), | |
2255 | lpfc_sli_config_mbox_opcode_get(phba, | |
2256 | pmb), | |
2257 | pmbox->mbxStatus, | |
2258 | pmbox->un.varWords[0], | |
2259 | pmb->vport->port_state); | |
dea3101e JB |
2260 | pmbox->mbxStatus = 0; |
2261 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2262 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2263 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2264 | continue; |
dea3101e JB |
2265 | } |
2266 | } | |
2267 | ||
2268 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2269 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
a183a15f | 2270 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p " |
dea3101e | 2271 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", |
92d7f7b0 | 2272 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2273 | pmbox->mbxCommand, |
a183a15f JS |
2274 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2275 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e JB |
2276 | pmb->mbox_cmpl, |
2277 | *((uint32_t *) pmbox), | |
2278 | pmbox->un.varWords[0], | |
2279 | pmbox->un.varWords[1], | |
2280 | pmbox->un.varWords[2], | |
2281 | pmbox->un.varWords[3], | |
2282 | pmbox->un.varWords[4], | |
2283 | pmbox->un.varWords[5], | |
2284 | pmbox->un.varWords[6], | |
2285 | pmbox->un.varWords[7]); | |
2286 | ||
92d7f7b0 | 2287 | if (pmb->mbox_cmpl) |
dea3101e | 2288 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2289 | } while (1); |
2290 | return 0; | |
2291 | } | |
dea3101e | 2292 | |
e59058c4 | 2293 | /** |
3621a710 | 2294 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2295 | * @phba: Pointer to HBA context object. |
2296 | * @pring: Pointer to driver SLI ring object. | |
2297 | * @tag: buffer tag. | |
2298 | * | |
2299 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2300 | * is set in the tag the buffer is posted for a particular exchange, | |
2301 | * the function will return the buffer without replacing the buffer. | |
2302 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2303 | * returns the buffer and also posts another buffer to the firmware. | |
2304 | **/ | |
76bb24ef JS |
2305 | static struct lpfc_dmabuf * |
2306 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2307 | struct lpfc_sli_ring *pring, |
2308 | uint32_t tag) | |
76bb24ef | 2309 | { |
9f1e1b50 JS |
2310 | struct hbq_dmabuf *hbq_entry; |
2311 | ||
76bb24ef JS |
2312 | if (tag & QUE_BUFTAG_BIT) |
2313 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2314 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2315 | if (!hbq_entry) | |
2316 | return NULL; | |
2317 | return &hbq_entry->dbuf; | |
76bb24ef | 2318 | } |
57127f15 | 2319 | |
3772a991 JS |
2320 | /** |
2321 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2322 | * @phba: Pointer to HBA context object. | |
2323 | * @pring: Pointer to driver SLI ring object. | |
2324 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2325 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2326 | * @fch_type: the type for the first frame of the sequence. | |
2327 | * | |
2328 | * This function is called with no lock held. This function uses the r_ctl and | |
2329 | * type of the received sequence to find the correct callback function to call | |
2330 | * to process the sequence. | |
2331 | **/ | |
2332 | static int | |
2333 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2334 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2335 | uint32_t fch_type) | |
2336 | { | |
2337 | int i; | |
2338 | ||
2339 | /* unSolicited Responses */ | |
2340 | if (pring->prt[0].profile) { | |
2341 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2342 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2343 | saveq); | |
2344 | return 1; | |
2345 | } | |
2346 | /* We must search, based on rctl / type | |
2347 | for the right routine */ | |
2348 | for (i = 0; i < pring->num_mask; i++) { | |
2349 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2350 | (pring->prt[i].type == fch_type)) { | |
2351 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2352 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2353 | (phba, pring, saveq); | |
2354 | return 1; | |
2355 | } | |
2356 | } | |
2357 | return 0; | |
2358 | } | |
e59058c4 JS |
2359 | |
2360 | /** | |
3621a710 | 2361 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2362 | * @phba: Pointer to HBA context object. |
2363 | * @pring: Pointer to driver SLI ring object. | |
2364 | * @saveq: Pointer to the unsolicited iocb. | |
2365 | * | |
2366 | * This function is called with no lock held by the ring event handler | |
2367 | * when there is an unsolicited iocb posted to the response ring by the | |
2368 | * firmware. This function gets the buffer associated with the iocbs | |
2369 | * and calls the event handler for the ring. This function handles both | |
2370 | * qring buffers and hbq buffers. | |
2371 | * When the function returns 1 the caller can free the iocb object otherwise | |
2372 | * upper layer functions will free the iocb objects. | |
2373 | **/ | |
dea3101e JB |
2374 | static int |
2375 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2376 | struct lpfc_iocbq *saveq) | |
2377 | { | |
2378 | IOCB_t * irsp; | |
2379 | WORD5 * w5p; | |
2380 | uint32_t Rctl, Type; | |
3772a991 | 2381 | uint32_t match; |
76bb24ef | 2382 | struct lpfc_iocbq *iocbq; |
3163f725 | 2383 | struct lpfc_dmabuf *dmzbuf; |
dea3101e JB |
2384 | |
2385 | match = 0; | |
2386 | irsp = &(saveq->iocb); | |
57127f15 JS |
2387 | |
2388 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2389 | if (pring->lpfc_sli_rcv_async_status) | |
2390 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2391 | else | |
2392 | lpfc_printf_log(phba, | |
2393 | KERN_WARNING, | |
2394 | LOG_SLI, | |
2395 | "0316 Ring %d handler: unexpected " | |
2396 | "ASYNC_STATUS iocb received evt_code " | |
2397 | "0x%x\n", | |
2398 | pring->ringno, | |
2399 | irsp->un.asyncstat.evt_code); | |
2400 | return 1; | |
2401 | } | |
2402 | ||
3163f725 JS |
2403 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2404 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2405 | if (irsp->ulpBdeCount > 0) { | |
2406 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2407 | irsp->un.ulpWord[3]); | |
2408 | lpfc_in_buf_free(phba, dmzbuf); | |
2409 | } | |
2410 | ||
2411 | if (irsp->ulpBdeCount > 1) { | |
2412 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2413 | irsp->unsli3.sli3Words[3]); | |
2414 | lpfc_in_buf_free(phba, dmzbuf); | |
2415 | } | |
2416 | ||
2417 | if (irsp->ulpBdeCount > 2) { | |
2418 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2419 | irsp->unsli3.sli3Words[7]); | |
2420 | lpfc_in_buf_free(phba, dmzbuf); | |
2421 | } | |
2422 | ||
2423 | return 1; | |
2424 | } | |
2425 | ||
92d7f7b0 | 2426 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
2427 | if (irsp->ulpBdeCount != 0) { |
2428 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
2429 | irsp->un.ulpWord[3]); | |
2430 | if (!saveq->context2) | |
2431 | lpfc_printf_log(phba, | |
2432 | KERN_ERR, | |
2433 | LOG_SLI, | |
2434 | "0341 Ring %d Cannot find buffer for " | |
2435 | "an unsolicited iocb. tag 0x%x\n", | |
2436 | pring->ringno, | |
2437 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
2438 | } |
2439 | if (irsp->ulpBdeCount == 2) { | |
2440 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
2441 | irsp->unsli3.sli3Words[7]); | |
2442 | if (!saveq->context3) | |
2443 | lpfc_printf_log(phba, | |
2444 | KERN_ERR, | |
2445 | LOG_SLI, | |
2446 | "0342 Ring %d Cannot find buffer for an" | |
2447 | " unsolicited iocb. tag 0x%x\n", | |
2448 | pring->ringno, | |
2449 | irsp->unsli3.sli3Words[7]); | |
2450 | } | |
2451 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 2452 | irsp = &(iocbq->iocb); |
76bb24ef JS |
2453 | if (irsp->ulpBdeCount != 0) { |
2454 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
2455 | irsp->un.ulpWord[3]); | |
9c2face6 | 2456 | if (!iocbq->context2) |
76bb24ef JS |
2457 | lpfc_printf_log(phba, |
2458 | KERN_ERR, | |
2459 | LOG_SLI, | |
2460 | "0343 Ring %d Cannot find " | |
2461 | "buffer for an unsolicited iocb" | |
2462 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 2463 | irsp->un.ulpWord[3]); |
76bb24ef JS |
2464 | } |
2465 | if (irsp->ulpBdeCount == 2) { | |
2466 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 2467 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 2468 | if (!iocbq->context3) |
76bb24ef JS |
2469 | lpfc_printf_log(phba, |
2470 | KERN_ERR, | |
2471 | LOG_SLI, | |
2472 | "0344 Ring %d Cannot find " | |
2473 | "buffer for an unsolicited " | |
2474 | "iocb. tag 0x%x\n", | |
2475 | pring->ringno, | |
2476 | irsp->unsli3.sli3Words[7]); | |
2477 | } | |
2478 | } | |
92d7f7b0 | 2479 | } |
9c2face6 JS |
2480 | if (irsp->ulpBdeCount != 0 && |
2481 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
2482 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
2483 | int found = 0; | |
2484 | ||
2485 | /* search continue save q for same XRI */ | |
2486 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
2487 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
2488 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
2489 | list_add_tail(&saveq->list, &iocbq->list); |
2490 | found = 1; | |
2491 | break; | |
2492 | } | |
2493 | } | |
2494 | if (!found) | |
2495 | list_add_tail(&saveq->clist, | |
2496 | &pring->iocb_continue_saveq); | |
2497 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
2498 | list_del_init(&iocbq->clist); | |
2499 | saveq = iocbq; | |
2500 | irsp = &(saveq->iocb); | |
2501 | } else | |
2502 | return 0; | |
2503 | } | |
2504 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
2505 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
2506 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
2507 | Rctl = FC_RCTL_ELS_REQ; |
2508 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2509 | } else { |
2510 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
2511 | Rctl = w5p->hcsw.Rctl; | |
2512 | Type = w5p->hcsw.Type; | |
2513 | ||
2514 | /* Firmware Workaround */ | |
2515 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
2516 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
2517 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
2518 | Rctl = FC_RCTL_ELS_REQ; |
2519 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2520 | w5p->hcsw.Rctl = Rctl; |
2521 | w5p->hcsw.Type = Type; | |
2522 | } | |
2523 | } | |
92d7f7b0 | 2524 | |
3772a991 | 2525 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 2526 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 2527 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 2528 | "Type x%x received\n", |
e8b62011 | 2529 | pring->ringno, Rctl, Type); |
3772a991 | 2530 | |
92d7f7b0 | 2531 | return 1; |
dea3101e JB |
2532 | } |
2533 | ||
e59058c4 | 2534 | /** |
3621a710 | 2535 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
2536 | * @phba: Pointer to HBA context object. |
2537 | * @pring: Pointer to driver SLI ring object. | |
2538 | * @prspiocb: Pointer to response iocb object. | |
2539 | * | |
2540 | * This function looks up the iocb_lookup table to get the command iocb | |
2541 | * corresponding to the given response iocb using the iotag of the | |
2542 | * response iocb. This function is called with the hbalock held. | |
2543 | * This function returns the command iocb object if it finds the command | |
2544 | * iocb else returns NULL. | |
2545 | **/ | |
dea3101e | 2546 | static struct lpfc_iocbq * |
2e0fef85 JS |
2547 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
2548 | struct lpfc_sli_ring *pring, | |
2549 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 2550 | { |
dea3101e JB |
2551 | struct lpfc_iocbq *cmd_iocb = NULL; |
2552 | uint16_t iotag; | |
2553 | ||
604a3e30 JB |
2554 | iotag = prspiocb->iocb.ulpIoTag; |
2555 | ||
2556 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
2557 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
92d7f7b0 | 2558 | list_del_init(&cmd_iocb->list); |
2a9bf3d0 JS |
2559 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_Q) { |
2560 | pring->txcmplq_cnt--; | |
2561 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_Q; | |
2562 | } | |
604a3e30 | 2563 | return cmd_iocb; |
dea3101e JB |
2564 | } |
2565 | ||
dea3101e | 2566 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 2567 | "0317 iotag x%x is out off " |
604a3e30 | 2568 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 2569 | iotag, phba->sli.last_iotag, |
604a3e30 | 2570 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
2571 | return NULL; |
2572 | } | |
2573 | ||
3772a991 JS |
2574 | /** |
2575 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
2576 | * @phba: Pointer to HBA context object. | |
2577 | * @pring: Pointer to driver SLI ring object. | |
2578 | * @iotag: IOCB tag. | |
2579 | * | |
2580 | * This function looks up the iocb_lookup table to get the command iocb | |
2581 | * corresponding to the given iotag. This function is called with the | |
2582 | * hbalock held. | |
2583 | * This function returns the command iocb object if it finds the command | |
2584 | * iocb else returns NULL. | |
2585 | **/ | |
2586 | static struct lpfc_iocbq * | |
2587 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
2588 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
2589 | { | |
2590 | struct lpfc_iocbq *cmd_iocb; | |
2591 | ||
2592 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
2593 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
2594 | list_del_init(&cmd_iocb->list); | |
2a9bf3d0 JS |
2595 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_Q) { |
2596 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_Q; | |
2597 | pring->txcmplq_cnt--; | |
2598 | } | |
3772a991 JS |
2599 | return cmd_iocb; |
2600 | } | |
2601 | ||
2602 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2603 | "0372 iotag x%x is out off range: max iotag (x%x)\n", | |
2604 | iotag, phba->sli.last_iotag); | |
2605 | return NULL; | |
2606 | } | |
2607 | ||
e59058c4 | 2608 | /** |
3621a710 | 2609 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
2610 | * @phba: Pointer to HBA context object. |
2611 | * @pring: Pointer to driver SLI ring object. | |
2612 | * @saveq: Pointer to the response iocb to be processed. | |
2613 | * | |
2614 | * This function is called by the ring event handler for non-fcp | |
2615 | * rings when there is a new response iocb in the response ring. | |
2616 | * The caller is not required to hold any locks. This function | |
2617 | * gets the command iocb associated with the response iocb and | |
2618 | * calls the completion handler for the command iocb. If there | |
2619 | * is no completion handler, the function will free the resources | |
2620 | * associated with command iocb. If the response iocb is for | |
2621 | * an already aborted command iocb, the status of the completion | |
2622 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
2623 | * This function always returns 1. | |
2624 | **/ | |
dea3101e | 2625 | static int |
2e0fef85 | 2626 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
2627 | struct lpfc_iocbq *saveq) |
2628 | { | |
2e0fef85 | 2629 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
2630 | int rc = 1; |
2631 | unsigned long iflag; | |
2632 | ||
2633 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
2e0fef85 | 2634 | spin_lock_irqsave(&phba->hbalock, iflag); |
604a3e30 | 2635 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
2e0fef85 JS |
2636 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2637 | ||
dea3101e JB |
2638 | if (cmdiocbp) { |
2639 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
2640 | /* |
2641 | * If an ELS command failed send an event to mgmt | |
2642 | * application. | |
2643 | */ | |
2644 | if (saveq->iocb.ulpStatus && | |
2645 | (pring->ringno == LPFC_ELS_RING) && | |
2646 | (cmdiocbp->iocb.ulpCommand == | |
2647 | CMD_ELS_REQUEST64_CR)) | |
2648 | lpfc_send_els_failure_event(phba, | |
2649 | cmdiocbp, saveq); | |
2650 | ||
dea3101e JB |
2651 | /* |
2652 | * Post all ELS completions to the worker thread. | |
2653 | * All other are passed to the completion callback. | |
2654 | */ | |
2655 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
2656 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
2657 | (cmdiocbp->iocb_flag & | |
2658 | LPFC_DRIVER_ABORTED)) { | |
2659 | spin_lock_irqsave(&phba->hbalock, | |
2660 | iflag); | |
07951076 JS |
2661 | cmdiocbp->iocb_flag &= |
2662 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
2663 | spin_unlock_irqrestore(&phba->hbalock, |
2664 | iflag); | |
07951076 JS |
2665 | saveq->iocb.ulpStatus = |
2666 | IOSTAT_LOCAL_REJECT; | |
2667 | saveq->iocb.un.ulpWord[4] = | |
2668 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
2669 | |
2670 | /* Firmware could still be in progress | |
2671 | * of DMAing payload, so don't free data | |
2672 | * buffer till after a hbeat. | |
2673 | */ | |
341af102 JS |
2674 | spin_lock_irqsave(&phba->hbalock, |
2675 | iflag); | |
0ff10d46 | 2676 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
2677 | spin_unlock_irqrestore(&phba->hbalock, |
2678 | iflag); | |
2679 | } | |
0f65ff68 JS |
2680 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2681 | if (saveq->iocb_flag & | |
2682 | LPFC_EXCHANGE_BUSY) { | |
2683 | /* Set cmdiocb flag for the | |
2684 | * exchange busy so sgl (xri) | |
2685 | * will not be released until | |
2686 | * the abort xri is received | |
2687 | * from hba. | |
2688 | */ | |
2689 | spin_lock_irqsave( | |
2690 | &phba->hbalock, iflag); | |
2691 | cmdiocbp->iocb_flag |= | |
2692 | LPFC_EXCHANGE_BUSY; | |
2693 | spin_unlock_irqrestore( | |
2694 | &phba->hbalock, iflag); | |
2695 | } | |
2696 | if (cmdiocbp->iocb_flag & | |
2697 | LPFC_DRIVER_ABORTED) { | |
2698 | /* | |
2699 | * Clear LPFC_DRIVER_ABORTED | |
2700 | * bit in case it was driver | |
2701 | * initiated abort. | |
2702 | */ | |
2703 | spin_lock_irqsave( | |
2704 | &phba->hbalock, iflag); | |
2705 | cmdiocbp->iocb_flag &= | |
2706 | ~LPFC_DRIVER_ABORTED; | |
2707 | spin_unlock_irqrestore( | |
2708 | &phba->hbalock, iflag); | |
2709 | cmdiocbp->iocb.ulpStatus = | |
2710 | IOSTAT_LOCAL_REJECT; | |
2711 | cmdiocbp->iocb.un.ulpWord[4] = | |
2712 | IOERR_ABORT_REQUESTED; | |
2713 | /* | |
2714 | * For SLI4, irsiocb contains | |
2715 | * NO_XRI in sli_xritag, it | |
2716 | * shall not affect releasing | |
2717 | * sgl (xri) process. | |
2718 | */ | |
2719 | saveq->iocb.ulpStatus = | |
2720 | IOSTAT_LOCAL_REJECT; | |
2721 | saveq->iocb.un.ulpWord[4] = | |
2722 | IOERR_SLI_ABORTED; | |
2723 | spin_lock_irqsave( | |
2724 | &phba->hbalock, iflag); | |
2725 | saveq->iocb_flag |= | |
2726 | LPFC_DELAY_MEM_FREE; | |
2727 | spin_unlock_irqrestore( | |
2728 | &phba->hbalock, iflag); | |
2729 | } | |
07951076 | 2730 | } |
dea3101e | 2731 | } |
2e0fef85 | 2732 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
2733 | } else |
2734 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
2735 | } else { |
2736 | /* | |
2737 | * Unknown initiating command based on the response iotag. | |
2738 | * This could be the case on the ELS ring because of | |
2739 | * lpfc_els_abort(). | |
2740 | */ | |
2741 | if (pring->ringno != LPFC_ELS_RING) { | |
2742 | /* | |
2743 | * Ring <ringno> handler: unexpected completion IoTag | |
2744 | * <IoTag> | |
2745 | */ | |
a257bf90 | 2746 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
2747 | "0322 Ring %d handler: " |
2748 | "unexpected completion IoTag x%x " | |
2749 | "Data: x%x x%x x%x x%x\n", | |
2750 | pring->ringno, | |
2751 | saveq->iocb.ulpIoTag, | |
2752 | saveq->iocb.ulpStatus, | |
2753 | saveq->iocb.un.ulpWord[4], | |
2754 | saveq->iocb.ulpCommand, | |
2755 | saveq->iocb.ulpContext); | |
dea3101e JB |
2756 | } |
2757 | } | |
68876920 | 2758 | |
dea3101e JB |
2759 | return rc; |
2760 | } | |
2761 | ||
e59058c4 | 2762 | /** |
3621a710 | 2763 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
2764 | * @phba: Pointer to HBA context object. |
2765 | * @pring: Pointer to driver SLI ring object. | |
2766 | * | |
2767 | * This function is called from the iocb ring event handlers when | |
2768 | * put pointer is ahead of the get pointer for a ring. This function signal | |
2769 | * an error attention condition to the worker thread and the worker | |
2770 | * thread will transition the HBA to offline state. | |
2771 | **/ | |
2e0fef85 JS |
2772 | static void |
2773 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 2774 | { |
34b02dcd | 2775 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 2776 | /* |
025dfdaf | 2777 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
2778 | * rsp ring <portRspMax> |
2779 | */ | |
2780 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 2781 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 2782 | "is bigger than rsp ring %d\n", |
e8b62011 | 2783 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
875fbdfe JSEC |
2784 | pring->numRiocb); |
2785 | ||
2e0fef85 | 2786 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
2787 | |
2788 | /* | |
2789 | * All error attention handlers are posted to | |
2790 | * worker thread | |
2791 | */ | |
2792 | phba->work_ha |= HA_ERATT; | |
2793 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 2794 | |
5e9d9b82 | 2795 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
2796 | |
2797 | return; | |
2798 | } | |
2799 | ||
9399627f | 2800 | /** |
3621a710 | 2801 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
9399627f JS |
2802 | * @ptr: Pointer to address of HBA context object. |
2803 | * | |
2804 | * This function is invoked by the Error Attention polling timer when the | |
2805 | * timer times out. It will check the SLI Error Attention register for | |
2806 | * possible attention events. If so, it will post an Error Attention event | |
2807 | * and wake up worker thread to process it. Otherwise, it will set up the | |
2808 | * Error Attention polling timer for the next poll. | |
2809 | **/ | |
2810 | void lpfc_poll_eratt(unsigned long ptr) | |
2811 | { | |
2812 | struct lpfc_hba *phba; | |
2813 | uint32_t eratt = 0; | |
2814 | ||
2815 | phba = (struct lpfc_hba *)ptr; | |
2816 | ||
2817 | /* Check chip HA register for error event */ | |
2818 | eratt = lpfc_sli_check_eratt(phba); | |
2819 | ||
2820 | if (eratt) | |
2821 | /* Tell the worker thread there is work to do */ | |
2822 | lpfc_worker_wake_up(phba); | |
2823 | else | |
2824 | /* Restart the timer for next eratt poll */ | |
2825 | mod_timer(&phba->eratt_poll, jiffies + | |
2826 | HZ * LPFC_ERATT_POLL_INTERVAL); | |
2827 | return; | |
2828 | } | |
2829 | ||
875fbdfe | 2830 | |
e59058c4 | 2831 | /** |
3621a710 | 2832 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
2833 | * @phba: Pointer to HBA context object. |
2834 | * @pring: Pointer to driver SLI ring object. | |
2835 | * @mask: Host attention register mask for this ring. | |
2836 | * | |
2837 | * This function is called from the interrupt context when there is a ring | |
2838 | * event for the fcp ring. The caller does not hold any lock. | |
2839 | * The function processes each response iocb in the response ring until it | |
25985edc | 2840 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
2841 | * LE bit set. The function will call the completion handler of the command iocb |
2842 | * if the response iocb indicates a completion for a command iocb or it is | |
2843 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
2844 | * function if this is an unsolicited iocb. | |
dea3101e | 2845 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
2846 | * to check it explicitly. |
2847 | */ | |
2848 | int | |
2e0fef85 JS |
2849 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
2850 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 2851 | { |
34b02dcd | 2852 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 2853 | IOCB_t *irsp = NULL; |
87f6eaff | 2854 | IOCB_t *entry = NULL; |
dea3101e JB |
2855 | struct lpfc_iocbq *cmdiocbq = NULL; |
2856 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
2857 | uint32_t status; |
2858 | uint32_t portRspPut, portRspMax; | |
2859 | int rc = 1; | |
2860 | lpfc_iocb_type type; | |
2861 | unsigned long iflag; | |
2862 | uint32_t rsp_cmpl = 0; | |
dea3101e | 2863 | |
2e0fef85 | 2864 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
2865 | pring->stats.iocb_event++; |
2866 | ||
dea3101e JB |
2867 | /* |
2868 | * The next available response entry should never exceed the maximum | |
2869 | * entries. If it does, treat it as an adapter hardware error. | |
2870 | */ | |
2871 | portRspMax = pring->numRiocb; | |
2872 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
2873 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 2874 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 2875 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
2876 | return 1; |
2877 | } | |
45ed1190 JS |
2878 | if (phba->fcp_ring_in_use) { |
2879 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2880 | return 1; | |
2881 | } else | |
2882 | phba->fcp_ring_in_use = 1; | |
dea3101e JB |
2883 | |
2884 | rmb(); | |
2885 | while (pring->rspidx != portRspPut) { | |
87f6eaff JSEC |
2886 | /* |
2887 | * Fetch an entry off the ring and copy it into a local data | |
2888 | * structure. The copy involves a byte-swap since the | |
2889 | * network byte order and pci byte orders are different. | |
2890 | */ | |
ed957684 | 2891 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 2892 | phba->last_completion_time = jiffies; |
875fbdfe JSEC |
2893 | |
2894 | if (++pring->rspidx >= portRspMax) | |
2895 | pring->rspidx = 0; | |
2896 | ||
87f6eaff JSEC |
2897 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
2898 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 2899 | phba->iocb_rsp_size); |
a4bc3379 | 2900 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
2901 | irsp = &rspiocbq.iocb; |
2902 | ||
dea3101e JB |
2903 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
2904 | pring->stats.iocb_rsp++; | |
2905 | rsp_cmpl++; | |
2906 | ||
2907 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
2908 | /* |
2909 | * If resource errors reported from HBA, reduce | |
2910 | * queuedepths of the SCSI device. | |
2911 | */ | |
2912 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
2913 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
2914 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3772a991 | 2915 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
2916 | spin_lock_irqsave(&phba->hbalock, iflag); |
2917 | } | |
2918 | ||
dea3101e JB |
2919 | /* Rsp ring <ringno> error: IOCB */ |
2920 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 2921 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 2922 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 2923 | pring->ringno, |
92d7f7b0 JS |
2924 | irsp->un.ulpWord[0], |
2925 | irsp->un.ulpWord[1], | |
2926 | irsp->un.ulpWord[2], | |
2927 | irsp->un.ulpWord[3], | |
2928 | irsp->un.ulpWord[4], | |
2929 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
2930 | *(uint32_t *)&irsp->un1, |
2931 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e JB |
2932 | } |
2933 | ||
2934 | switch (type) { | |
2935 | case LPFC_ABORT_IOCB: | |
2936 | case LPFC_SOL_IOCB: | |
2937 | /* | |
2938 | * Idle exchange closed via ABTS from port. No iocb | |
2939 | * resources need to be recovered. | |
2940 | */ | |
2941 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 2942 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 2943 | "0333 IOCB cmd 0x%x" |
dca9479b | 2944 | " processed. Skipping" |
92d7f7b0 | 2945 | " completion\n", |
dca9479b | 2946 | irsp->ulpCommand); |
dea3101e JB |
2947 | break; |
2948 | } | |
2949 | ||
604a3e30 JB |
2950 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
2951 | &rspiocbq); | |
0f65ff68 JS |
2952 | if (unlikely(!cmdiocbq)) |
2953 | break; | |
2954 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
2955 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
2956 | if (cmdiocbq->iocb_cmpl) { | |
2957 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2958 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
2959 | &rspiocbq); | |
2960 | spin_lock_irqsave(&phba->hbalock, iflag); | |
2961 | } | |
dea3101e | 2962 | break; |
a4bc3379 | 2963 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 2964 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 2965 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 2966 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 2967 | break; |
dea3101e JB |
2968 | default: |
2969 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
2970 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
2971 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
2972 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
2973 | MAX_MSG_DATA); | |
898eb71c JP |
2974 | dev_warn(&((phba->pcidev)->dev), |
2975 | "lpfc%d: %s\n", | |
dea3101e JB |
2976 | phba->brd_no, adaptermsg); |
2977 | } else { | |
2978 | /* Unknown IOCB command */ | |
2979 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 2980 | "0334 Unknown IOCB command " |
92d7f7b0 | 2981 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 2982 | type, irsp->ulpCommand, |
92d7f7b0 JS |
2983 | irsp->ulpStatus, |
2984 | irsp->ulpIoTag, | |
2985 | irsp->ulpContext); | |
dea3101e JB |
2986 | } |
2987 | break; | |
2988 | } | |
2989 | ||
2990 | /* | |
2991 | * The response IOCB has been processed. Update the ring | |
2992 | * pointer in SLIM. If the port response put pointer has not | |
2993 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
2994 | * response put pointer. | |
2995 | */ | |
ed957684 | 2996 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e JB |
2997 | |
2998 | if (pring->rspidx == portRspPut) | |
2999 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
3000 | } | |
3001 | ||
3002 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3003 | pring->stats.iocb_rsp_full++; | |
3004 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3005 | writel(status, phba->CAregaddr); | |
3006 | readl(phba->CAregaddr); | |
3007 | } | |
3008 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3009 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3010 | pring->stats.iocb_cmd_empty++; | |
3011 | ||
3012 | /* Force update of the local copy of cmdGetInx */ | |
3013 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
3014 | lpfc_sli_resume_iocb(phba, pring); | |
3015 | ||
3016 | if ((pring->lpfc_sli_cmd_available)) | |
3017 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3018 | ||
3019 | } | |
3020 | ||
45ed1190 | 3021 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3022 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3023 | return rc; |
3024 | } | |
3025 | ||
e59058c4 | 3026 | /** |
3772a991 JS |
3027 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3028 | * @phba: Pointer to HBA context object. | |
3029 | * @pring: Pointer to driver SLI ring object. | |
3030 | * @rspiocbp: Pointer to driver response IOCB object. | |
3031 | * | |
3032 | * This function is called from the worker thread when there is a slow-path | |
3033 | * response IOCB to process. This function chains all the response iocbs until | |
3034 | * seeing the iocb with the LE bit set. The function will call | |
3035 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3036 | * completion of a command iocb. The function will call the | |
3037 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3038 | * The function frees the resources or calls the completion handler if this | |
3039 | * iocb is an abort completion. The function returns NULL when the response | |
3040 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3041 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3042 | * response iocb passed in. | |
3043 | **/ | |
3044 | static struct lpfc_iocbq * | |
3045 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3046 | struct lpfc_iocbq *rspiocbp) | |
3047 | { | |
3048 | struct lpfc_iocbq *saveq; | |
3049 | struct lpfc_iocbq *cmdiocbp; | |
3050 | struct lpfc_iocbq *next_iocb; | |
3051 | IOCB_t *irsp = NULL; | |
3052 | uint32_t free_saveq; | |
3053 | uint8_t iocb_cmd_type; | |
3054 | lpfc_iocb_type type; | |
3055 | unsigned long iflag; | |
3056 | int rc; | |
3057 | ||
3058 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3059 | /* First add the response iocb to the countinueq list */ | |
3060 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3061 | pring->iocb_continueq_cnt++; | |
3062 | ||
70f23fd6 | 3063 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3064 | irsp = &rspiocbp->iocb; |
3065 | if (irsp->ulpLe) { | |
3066 | /* | |
3067 | * By default, the driver expects to free all resources | |
3068 | * associated with this iocb completion. | |
3069 | */ | |
3070 | free_saveq = 1; | |
3071 | saveq = list_get_first(&pring->iocb_continueq, | |
3072 | struct lpfc_iocbq, list); | |
3073 | irsp = &(saveq->iocb); | |
3074 | list_del_init(&pring->iocb_continueq); | |
3075 | pring->iocb_continueq_cnt = 0; | |
3076 | ||
3077 | pring->stats.iocb_rsp++; | |
3078 | ||
3079 | /* | |
3080 | * If resource errors reported from HBA, reduce | |
3081 | * queuedepths of the SCSI device. | |
3082 | */ | |
3083 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
3084 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
3085 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3086 | phba->lpfc_rampdown_queue_depth(phba); | |
3087 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3088 | } | |
3089 | ||
3090 | if (irsp->ulpStatus) { | |
3091 | /* Rsp ring <ringno> error: IOCB */ | |
3092 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3093 | "0328 Rsp Ring %d error: " | |
3094 | "IOCB Data: " | |
3095 | "x%x x%x x%x x%x " | |
3096 | "x%x x%x x%x x%x " | |
3097 | "x%x x%x x%x x%x " | |
3098 | "x%x x%x x%x x%x\n", | |
3099 | pring->ringno, | |
3100 | irsp->un.ulpWord[0], | |
3101 | irsp->un.ulpWord[1], | |
3102 | irsp->un.ulpWord[2], | |
3103 | irsp->un.ulpWord[3], | |
3104 | irsp->un.ulpWord[4], | |
3105 | irsp->un.ulpWord[5], | |
3106 | *(((uint32_t *) irsp) + 6), | |
3107 | *(((uint32_t *) irsp) + 7), | |
3108 | *(((uint32_t *) irsp) + 8), | |
3109 | *(((uint32_t *) irsp) + 9), | |
3110 | *(((uint32_t *) irsp) + 10), | |
3111 | *(((uint32_t *) irsp) + 11), | |
3112 | *(((uint32_t *) irsp) + 12), | |
3113 | *(((uint32_t *) irsp) + 13), | |
3114 | *(((uint32_t *) irsp) + 14), | |
3115 | *(((uint32_t *) irsp) + 15)); | |
3116 | } | |
3117 | ||
3118 | /* | |
3119 | * Fetch the IOCB command type and call the correct completion | |
3120 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3121 | * get freed back to the lpfc_iocb_list by the discovery | |
3122 | * kernel thread. | |
3123 | */ | |
3124 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3125 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3126 | switch (type) { | |
3127 | case LPFC_SOL_IOCB: | |
3128 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3129 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3130 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3131 | break; | |
3132 | ||
3133 | case LPFC_UNSOL_IOCB: | |
3134 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3135 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3136 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3137 | if (!rc) | |
3138 | free_saveq = 0; | |
3139 | break; | |
3140 | ||
3141 | case LPFC_ABORT_IOCB: | |
3142 | cmdiocbp = NULL; | |
3143 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) | |
3144 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, | |
3145 | saveq); | |
3146 | if (cmdiocbp) { | |
3147 | /* Call the specified completion routine */ | |
3148 | if (cmdiocbp->iocb_cmpl) { | |
3149 | spin_unlock_irqrestore(&phba->hbalock, | |
3150 | iflag); | |
3151 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3152 | saveq); | |
3153 | spin_lock_irqsave(&phba->hbalock, | |
3154 | iflag); | |
3155 | } else | |
3156 | __lpfc_sli_release_iocbq(phba, | |
3157 | cmdiocbp); | |
3158 | } | |
3159 | break; | |
3160 | ||
3161 | case LPFC_UNKNOWN_IOCB: | |
3162 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3163 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3164 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3165 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3166 | MAX_MSG_DATA); | |
3167 | dev_warn(&((phba->pcidev)->dev), | |
3168 | "lpfc%d: %s\n", | |
3169 | phba->brd_no, adaptermsg); | |
3170 | } else { | |
3171 | /* Unknown IOCB command */ | |
3172 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3173 | "0335 Unknown IOCB " | |
3174 | "command Data: x%x " | |
3175 | "x%x x%x x%x\n", | |
3176 | irsp->ulpCommand, | |
3177 | irsp->ulpStatus, | |
3178 | irsp->ulpIoTag, | |
3179 | irsp->ulpContext); | |
3180 | } | |
3181 | break; | |
3182 | } | |
3183 | ||
3184 | if (free_saveq) { | |
3185 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3186 | &saveq->list, list) { | |
3187 | list_del(&rspiocbp->list); | |
3188 | __lpfc_sli_release_iocbq(phba, rspiocbp); | |
3189 | } | |
3190 | __lpfc_sli_release_iocbq(phba, saveq); | |
3191 | } | |
3192 | rspiocbp = NULL; | |
3193 | } | |
3194 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3195 | return rspiocbp; | |
3196 | } | |
3197 | ||
3198 | /** | |
3199 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3200 | * @phba: Pointer to HBA context object. |
3201 | * @pring: Pointer to driver SLI ring object. | |
3202 | * @mask: Host attention register mask for this ring. | |
3203 | * | |
3772a991 JS |
3204 | * This routine wraps the actual slow_ring event process routine from the |
3205 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3206 | **/ |
3772a991 | 3207 | void |
2e0fef85 JS |
3208 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3209 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3210 | { |
3211 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3212 | } | |
3213 | ||
3214 | /** | |
3215 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3216 | * @phba: Pointer to HBA context object. | |
3217 | * @pring: Pointer to driver SLI ring object. | |
3218 | * @mask: Host attention register mask for this ring. | |
3219 | * | |
3220 | * This function is called from the worker thread when there is a ring event | |
3221 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3222 | * remove each response iocb in the response ring and calls the handle | |
3223 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3224 | **/ | |
3225 | static void | |
3226 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3227 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3228 | { |
34b02dcd | 3229 | struct lpfc_pgp *pgp; |
dea3101e JB |
3230 | IOCB_t *entry; |
3231 | IOCB_t *irsp = NULL; | |
3232 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3233 | uint32_t portRspPut, portRspMax; |
dea3101e | 3234 | unsigned long iflag; |
3772a991 | 3235 | uint32_t status; |
dea3101e | 3236 | |
34b02dcd | 3237 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3238 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3239 | pring->stats.iocb_event++; |
3240 | ||
dea3101e JB |
3241 | /* |
3242 | * The next available response entry should never exceed the maximum | |
3243 | * entries. If it does, treat it as an adapter hardware error. | |
3244 | */ | |
3245 | portRspMax = pring->numRiocb; | |
3246 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
3247 | if (portRspPut >= portRspMax) { | |
3248 | /* | |
025dfdaf | 3249 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e JB |
3250 | * rsp ring <portRspMax> |
3251 | */ | |
ed957684 | 3252 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 3253 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3254 | "is bigger than rsp ring %d\n", |
e8b62011 | 3255 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3256 | |
2e0fef85 JS |
3257 | phba->link_state = LPFC_HBA_ERROR; |
3258 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
3259 | |
3260 | phba->work_hs = HS_FFER3; | |
3261 | lpfc_handle_eratt(phba); | |
3262 | ||
3772a991 | 3263 | return; |
dea3101e JB |
3264 | } |
3265 | ||
3266 | rmb(); | |
dea3101e JB |
3267 | while (pring->rspidx != portRspPut) { |
3268 | /* | |
3269 | * Build a completion list and call the appropriate handler. | |
3270 | * The process is to get the next available response iocb, get | |
3271 | * a free iocb from the list, copy the response data into the | |
3272 | * free iocb, insert to the continuation list, and update the | |
3273 | * next response index to slim. This process makes response | |
3274 | * iocb's in the ring available to DMA as fast as possible but | |
3275 | * pays a penalty for a copy operation. Since the iocb is | |
3276 | * only 32 bytes, this penalty is considered small relative to | |
3277 | * the PCI reads for register values and a slim write. When | |
3278 | * the ulpLe field is set, the entire Command has been | |
3279 | * received. | |
3280 | */ | |
ed957684 JS |
3281 | entry = lpfc_resp_iocb(phba, pring); |
3282 | ||
858c9f6c | 3283 | phba->last_completion_time = jiffies; |
2e0fef85 | 3284 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3285 | if (rspiocbp == NULL) { |
3286 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3287 | "completion.\n", __func__); |
dea3101e JB |
3288 | break; |
3289 | } | |
3290 | ||
ed957684 JS |
3291 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3292 | phba->iocb_rsp_size); | |
dea3101e JB |
3293 | irsp = &rspiocbp->iocb; |
3294 | ||
3295 | if (++pring->rspidx >= portRspMax) | |
3296 | pring->rspidx = 0; | |
3297 | ||
a58cbd52 JS |
3298 | if (pring->ringno == LPFC_ELS_RING) { |
3299 | lpfc_debugfs_slow_ring_trc(phba, | |
3300 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3301 | *(((uint32_t *) irsp) + 4), | |
3302 | *(((uint32_t *) irsp) + 6), | |
3303 | *(((uint32_t *) irsp) + 7)); | |
3304 | } | |
3305 | ||
ed957684 | 3306 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e | 3307 | |
3772a991 JS |
3308 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3309 | /* Handle the response IOCB */ | |
3310 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3311 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e JB |
3312 | |
3313 | /* | |
3314 | * If the port response put pointer has not been updated, sync | |
3315 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3316 | * response put pointer. | |
3317 | */ | |
3318 | if (pring->rspidx == portRspPut) { | |
3319 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
3320 | } | |
3321 | } /* while (pring->rspidx != portRspPut) */ | |
3322 | ||
92d7f7b0 | 3323 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
3324 | /* At least one response entry has been freed */ |
3325 | pring->stats.iocb_rsp_full++; | |
3326 | /* SET RxRE_RSP in Chip Att register */ | |
3327 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3328 | writel(status, phba->CAregaddr); | |
3329 | readl(phba->CAregaddr); /* flush */ | |
3330 | } | |
3331 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3332 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3333 | pring->stats.iocb_cmd_empty++; | |
3334 | ||
3335 | /* Force update of the local copy of cmdGetInx */ | |
3336 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
3337 | lpfc_sli_resume_iocb(phba, pring); | |
3338 | ||
3339 | if ((pring->lpfc_sli_cmd_available)) | |
3340 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3341 | ||
3342 | } | |
3343 | ||
2e0fef85 | 3344 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3345 | return; |
dea3101e JB |
3346 | } |
3347 | ||
4f774513 JS |
3348 | /** |
3349 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3350 | * @phba: Pointer to HBA context object. | |
3351 | * @pring: Pointer to driver SLI ring object. | |
3352 | * @mask: Host attention register mask for this ring. | |
3353 | * | |
3354 | * This function is called from the worker thread when there is a pending | |
3355 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3356 | * queue. The caller does not hold any lock. The function will remove each | |
3357 | * response iocb from the response worker queue and calls the handle | |
3358 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3359 | **/ | |
3360 | static void | |
3361 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
3362 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3363 | { | |
3364 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
3365 | struct hbq_dmabuf *dmabuf; |
3366 | struct lpfc_cq_event *cq_event; | |
4f774513 JS |
3367 | unsigned long iflag; |
3368 | ||
45ed1190 JS |
3369 | spin_lock_irqsave(&phba->hbalock, iflag); |
3370 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
3371 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3372 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
3373 | /* Get the response iocb from the head of work queue */ |
3374 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 3375 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 3376 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 3377 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
3378 | |
3379 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
3380 | case CQE_CODE_COMPL_WQE: | |
3381 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
3382 | cq_event); | |
45ed1190 JS |
3383 | /* Translate ELS WCQE to response IOCBQ */ |
3384 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
3385 | irspiocbq); | |
3386 | if (irspiocbq) | |
3387 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
3388 | irspiocbq); | |
4d9ab994 JS |
3389 | break; |
3390 | case CQE_CODE_RECEIVE: | |
7851fe2c | 3391 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
3392 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
3393 | cq_event); | |
3394 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
3395 | break; | |
3396 | default: | |
3397 | break; | |
3398 | } | |
4f774513 JS |
3399 | } |
3400 | } | |
3401 | ||
e59058c4 | 3402 | /** |
3621a710 | 3403 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
3404 | * @phba: Pointer to HBA context object. |
3405 | * @pring: Pointer to driver SLI ring object. | |
3406 | * | |
3407 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3408 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3409 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3410 | * the return of this function. The caller is not required to hold any locks. | |
3411 | **/ | |
2e0fef85 | 3412 | void |
dea3101e JB |
3413 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
3414 | { | |
2534ba75 | 3415 | LIST_HEAD(completions); |
dea3101e | 3416 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 3417 | |
92d7f7b0 JS |
3418 | if (pring->ringno == LPFC_ELS_RING) { |
3419 | lpfc_fabric_abort_hba(phba); | |
3420 | } | |
3421 | ||
dea3101e JB |
3422 | /* Error everything on txq and txcmplq |
3423 | * First do the txq. | |
3424 | */ | |
2e0fef85 | 3425 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 3426 | list_splice_init(&pring->txq, &completions); |
dea3101e | 3427 | pring->txq_cnt = 0; |
dea3101e JB |
3428 | |
3429 | /* Next issue ABTS for everything on the txcmplq */ | |
2534ba75 JS |
3430 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) |
3431 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 3432 | |
2e0fef85 | 3433 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3434 | |
a257bf90 JS |
3435 | /* Cancel all the IOCBs from the completions list */ |
3436 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3437 | IOERR_SLI_ABORTED); | |
dea3101e JB |
3438 | } |
3439 | ||
a8e497d5 | 3440 | /** |
3621a710 | 3441 | * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring |
a8e497d5 JS |
3442 | * @phba: Pointer to HBA context object. |
3443 | * | |
3444 | * This function flushes all iocbs in the fcp ring and frees all the iocb | |
3445 | * objects in txq and txcmplq. This function will not issue abort iocbs | |
3446 | * for all the iocb commands in txcmplq, they will just be returned with | |
3447 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
3448 | * slot has been permanently disabled. | |
3449 | **/ | |
3450 | void | |
3451 | lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) | |
3452 | { | |
3453 | LIST_HEAD(txq); | |
3454 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
3455 | struct lpfc_sli *psli = &phba->sli; |
3456 | struct lpfc_sli_ring *pring; | |
3457 | ||
3458 | /* Currently, only one fcp ring */ | |
3459 | pring = &psli->ring[psli->fcp_ring]; | |
3460 | ||
3461 | spin_lock_irq(&phba->hbalock); | |
3462 | /* Retrieve everything on txq */ | |
3463 | list_splice_init(&pring->txq, &txq); | |
3464 | pring->txq_cnt = 0; | |
3465 | ||
3466 | /* Retrieve everything on the txcmplq */ | |
3467 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3468 | pring->txcmplq_cnt = 0; | |
3469 | spin_unlock_irq(&phba->hbalock); | |
3470 | ||
3471 | /* Flush the txq */ | |
a257bf90 JS |
3472 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, |
3473 | IOERR_SLI_DOWN); | |
a8e497d5 JS |
3474 | |
3475 | /* Flush the txcmpq */ | |
a257bf90 JS |
3476 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, |
3477 | IOERR_SLI_DOWN); | |
a8e497d5 JS |
3478 | } |
3479 | ||
e59058c4 | 3480 | /** |
3772a991 | 3481 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
3482 | * @phba: Pointer to HBA context object. |
3483 | * @mask: Bit mask to be checked. | |
3484 | * | |
3485 | * This function reads the host status register and compares | |
3486 | * with the provided bit mask to check if HBA completed | |
3487 | * the restart. This function will wait in a loop for the | |
3488 | * HBA to complete restart. If the HBA does not restart within | |
3489 | * 15 iterations, the function will reset the HBA again. The | |
3490 | * function returns 1 when HBA fail to restart otherwise returns | |
3491 | * zero. | |
3492 | **/ | |
3772a991 JS |
3493 | static int |
3494 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 3495 | { |
41415862 JW |
3496 | uint32_t status; |
3497 | int i = 0; | |
3498 | int retval = 0; | |
dea3101e | 3499 | |
41415862 | 3500 | /* Read the HBA Host Status Register */ |
9940b97b JS |
3501 | if (lpfc_readl(phba->HSregaddr, &status)) |
3502 | return 1; | |
dea3101e | 3503 | |
41415862 JW |
3504 | /* |
3505 | * Check status register every 100ms for 5 retries, then every | |
3506 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
3507 | * every 2.5 sec for 4. | |
3508 | * Break our of the loop if errors occurred during init. | |
3509 | */ | |
3510 | while (((status & mask) != mask) && | |
3511 | !(status & HS_FFERM) && | |
3512 | i++ < 20) { | |
dea3101e | 3513 | |
41415862 JW |
3514 | if (i <= 5) |
3515 | msleep(10); | |
3516 | else if (i <= 10) | |
3517 | msleep(500); | |
3518 | else | |
3519 | msleep(2500); | |
dea3101e | 3520 | |
41415862 | 3521 | if (i == 15) { |
2e0fef85 | 3522 | /* Do post */ |
92d7f7b0 | 3523 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
3524 | lpfc_sli_brdrestart(phba); |
3525 | } | |
3526 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
3527 | if (lpfc_readl(phba->HSregaddr, &status)) { |
3528 | retval = 1; | |
3529 | break; | |
3530 | } | |
41415862 | 3531 | } |
dea3101e | 3532 | |
41415862 JW |
3533 | /* Check to see if any errors occurred during init */ |
3534 | if ((status & HS_FFERM) || (i >= 20)) { | |
e40a02c1 JS |
3535 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
3536 | "2751 Adapter failed to restart, " | |
3537 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
3538 | status, | |
3539 | readl(phba->MBslimaddr + 0xa8), | |
3540 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 3541 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 3542 | retval = 1; |
dea3101e | 3543 | } |
dea3101e | 3544 | |
41415862 JW |
3545 | return retval; |
3546 | } | |
dea3101e | 3547 | |
da0436e9 JS |
3548 | /** |
3549 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
3550 | * @phba: Pointer to HBA context object. | |
3551 | * @mask: Bit mask to be checked. | |
3552 | * | |
3553 | * This function checks the host status register to check if HBA is | |
3554 | * ready. This function will wait in a loop for the HBA to be ready | |
3555 | * If the HBA is not ready , the function will will reset the HBA PCI | |
3556 | * function again. The function returns 1 when HBA fail to be ready | |
3557 | * otherwise returns zero. | |
3558 | **/ | |
3559 | static int | |
3560 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
3561 | { | |
3562 | uint32_t status; | |
3563 | int retval = 0; | |
3564 | ||
3565 | /* Read the HBA Host Status Register */ | |
3566 | status = lpfc_sli4_post_status_check(phba); | |
3567 | ||
3568 | if (status) { | |
3569 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
3570 | lpfc_sli_brdrestart(phba); | |
3571 | status = lpfc_sli4_post_status_check(phba); | |
3572 | } | |
3573 | ||
3574 | /* Check to see if any errors occurred during init */ | |
3575 | if (status) { | |
3576 | phba->link_state = LPFC_HBA_ERROR; | |
3577 | retval = 1; | |
3578 | } else | |
3579 | phba->sli4_hba.intr_enable = 0; | |
3580 | ||
3581 | return retval; | |
3582 | } | |
3583 | ||
3584 | /** | |
3585 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
3586 | * @phba: Pointer to HBA context object. | |
3587 | * @mask: Bit mask to be checked. | |
3588 | * | |
3589 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
3590 | * from the API jump table function pointer from the lpfc_hba struct. | |
3591 | **/ | |
3592 | int | |
3593 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
3594 | { | |
3595 | return phba->lpfc_sli_brdready(phba, mask); | |
3596 | } | |
3597 | ||
9290831f JS |
3598 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
3599 | ||
e59058c4 | 3600 | /** |
3621a710 | 3601 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
3602 | * @phba: Pointer to HBA context object. |
3603 | * | |
1b51197d JS |
3604 | * This function is called before resetting an HBA. This function is called |
3605 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 3606 | **/ |
2e0fef85 | 3607 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 3608 | { |
65a29c16 JS |
3609 | uint32_t __iomem *resp_buf; |
3610 | uint32_t __iomem *mbox_buf; | |
9290831f | 3611 | volatile uint32_t mbox; |
9940b97b | 3612 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
3613 | int i; |
3614 | uint8_t hdrtype; | |
3615 | ||
3616 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); | |
3617 | if (hdrtype != 0x80 || | |
3618 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
3619 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
3620 | return; | |
3621 | ||
3622 | /* | |
3623 | * Tell the other part of the chip to suspend temporarily all | |
3624 | * its DMA activity. | |
3625 | */ | |
65a29c16 | 3626 | resp_buf = phba->MBslimaddr; |
9290831f JS |
3627 | |
3628 | /* Disable the error attention */ | |
9940b97b JS |
3629 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
3630 | return; | |
9290831f JS |
3631 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
3632 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 3633 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 3634 | |
9940b97b JS |
3635 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
3636 | return; | |
3637 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
3638 | /* Clear Chip error bit */ |
3639 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 3640 | phba->pport->stopped = 1; |
9290831f JS |
3641 | } |
3642 | ||
3643 | mbox = 0; | |
3644 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
3645 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
3646 | ||
3647 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 3648 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
3649 | writel(mbox, mbox_buf); |
3650 | ||
9940b97b JS |
3651 | for (i = 0; i < 50; i++) { |
3652 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
3653 | return; | |
3654 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
3655 | mdelay(1); | |
3656 | else | |
3657 | break; | |
3658 | } | |
3659 | resp_data = 0; | |
3660 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
3661 | return; | |
3662 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 3663 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 3664 | phba->pport->stopped) |
9290831f JS |
3665 | goto restore_hc; |
3666 | else | |
3667 | goto clear_errat; | |
3668 | } | |
3669 | ||
3670 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
3671 | resp_data = 0; |
3672 | for (i = 0; i < 500; i++) { | |
3673 | if (lpfc_readl(resp_buf, &resp_data)) | |
3674 | return; | |
3675 | if (resp_data != mbox) | |
3676 | mdelay(1); | |
3677 | else | |
3678 | break; | |
3679 | } | |
9290831f JS |
3680 | |
3681 | clear_errat: | |
3682 | ||
9940b97b JS |
3683 | while (++i < 500) { |
3684 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
3685 | return; | |
3686 | if (!(ha_copy & HA_ERATT)) | |
3687 | mdelay(1); | |
3688 | else | |
3689 | break; | |
3690 | } | |
9290831f JS |
3691 | |
3692 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
3693 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 3694 | phba->pport->stopped = 1; |
9290831f JS |
3695 | } |
3696 | ||
3697 | restore_hc: | |
2e0fef85 | 3698 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
3699 | writel(hc_copy, phba->HCregaddr); |
3700 | readl(phba->HCregaddr); /* flush */ | |
3701 | } | |
3702 | ||
e59058c4 | 3703 | /** |
3621a710 | 3704 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
3705 | * @phba: Pointer to HBA context object. |
3706 | * | |
3707 | * This function issues a kill_board mailbox command and waits for | |
3708 | * the error attention interrupt. This function is called for stopping | |
3709 | * the firmware processing. The caller is not required to hold any | |
3710 | * locks. This function calls lpfc_hba_down_post function to free | |
3711 | * any pending commands after the kill. The function will return 1 when it | |
3712 | * fails to kill the board else will return 0. | |
3713 | **/ | |
41415862 | 3714 | int |
2e0fef85 | 3715 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
3716 | { |
3717 | struct lpfc_sli *psli; | |
3718 | LPFC_MBOXQ_t *pmb; | |
3719 | uint32_t status; | |
3720 | uint32_t ha_copy; | |
3721 | int retval; | |
3722 | int i = 0; | |
dea3101e | 3723 | |
41415862 | 3724 | psli = &phba->sli; |
dea3101e | 3725 | |
41415862 | 3726 | /* Kill HBA */ |
ed957684 | 3727 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
3728 | "0329 Kill HBA Data: x%x x%x\n", |
3729 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 3730 | |
98c9ea5c JS |
3731 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
3732 | if (!pmb) | |
41415862 | 3733 | return 1; |
41415862 JW |
3734 | |
3735 | /* Disable the error attention */ | |
2e0fef85 | 3736 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
3737 | if (lpfc_readl(phba->HCregaddr, &status)) { |
3738 | spin_unlock_irq(&phba->hbalock); | |
3739 | mempool_free(pmb, phba->mbox_mem_pool); | |
3740 | return 1; | |
3741 | } | |
41415862 JW |
3742 | status &= ~HC_ERINT_ENA; |
3743 | writel(status, phba->HCregaddr); | |
3744 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
3745 | phba->link_flag |= LS_IGNORE_ERATT; |
3746 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
3747 | |
3748 | lpfc_kill_board(phba, pmb); | |
3749 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3750 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
3751 | ||
3752 | if (retval != MBX_SUCCESS) { | |
3753 | if (retval != MBX_BUSY) | |
3754 | mempool_free(pmb, phba->mbox_mem_pool); | |
e40a02c1 JS |
3755 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
3756 | "2752 KILL_BOARD command failed retval %d\n", | |
3757 | retval); | |
2e0fef85 JS |
3758 | spin_lock_irq(&phba->hbalock); |
3759 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
3760 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
3761 | return 1; |
3762 | } | |
3763 | ||
f4b4c68f JS |
3764 | spin_lock_irq(&phba->hbalock); |
3765 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
3766 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 3767 | |
41415862 JW |
3768 | mempool_free(pmb, phba->mbox_mem_pool); |
3769 | ||
3770 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
3771 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
3772 | * 3 seconds we still set HBA_ERROR state because the status of the | |
3773 | * board is now undefined. | |
3774 | */ | |
9940b97b JS |
3775 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
3776 | return 1; | |
41415862 JW |
3777 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
3778 | mdelay(100); | |
9940b97b JS |
3779 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
3780 | return 1; | |
41415862 JW |
3781 | } |
3782 | ||
3783 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
3784 | if (ha_copy & HA_ERATT) { |
3785 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 3786 | phba->pport->stopped = 1; |
9290831f | 3787 | } |
2e0fef85 | 3788 | spin_lock_irq(&phba->hbalock); |
41415862 | 3789 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 3790 | psli->mbox_active = NULL; |
2e0fef85 JS |
3791 | phba->link_flag &= ~LS_IGNORE_ERATT; |
3792 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 3793 | |
41415862 | 3794 | lpfc_hba_down_post(phba); |
2e0fef85 | 3795 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 3796 | |
2e0fef85 | 3797 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
3798 | } |
3799 | ||
e59058c4 | 3800 | /** |
3772a991 | 3801 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
3802 | * @phba: Pointer to HBA context object. |
3803 | * | |
3804 | * This function resets the HBA by writing HC_INITFF to the control | |
3805 | * register. After the HBA resets, this function resets all the iocb ring | |
3806 | * indices. This function disables PCI layer parity checking during | |
3807 | * the reset. | |
3808 | * This function returns 0 always. | |
3809 | * The caller is not required to hold any locks. | |
3810 | **/ | |
41415862 | 3811 | int |
2e0fef85 | 3812 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 3813 | { |
41415862 | 3814 | struct lpfc_sli *psli; |
dea3101e | 3815 | struct lpfc_sli_ring *pring; |
41415862 | 3816 | uint16_t cfg_value; |
dea3101e | 3817 | int i; |
dea3101e | 3818 | |
41415862 | 3819 | psli = &phba->sli; |
dea3101e | 3820 | |
41415862 JW |
3821 | /* Reset HBA */ |
3822 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 3823 | "0325 Reset HBA Data: x%x x%x\n", |
2e0fef85 | 3824 | phba->pport->port_state, psli->sli_flag); |
dea3101e JB |
3825 | |
3826 | /* perform board reset */ | |
3827 | phba->fc_eventTag = 0; | |
4d9ab994 | 3828 | phba->link_events = 0; |
2e0fef85 JS |
3829 | phba->pport->fc_myDID = 0; |
3830 | phba->pport->fc_prevDID = 0; | |
dea3101e | 3831 | |
41415862 JW |
3832 | /* Turn off parity checking and serr during the physical reset */ |
3833 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
3834 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
3835 | (cfg_value & | |
3836 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
3837 | ||
3772a991 JS |
3838 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
3839 | ||
41415862 JW |
3840 | /* Now toggle INITFF bit in the Host Control Register */ |
3841 | writel(HC_INITFF, phba->HCregaddr); | |
3842 | mdelay(1); | |
3843 | readl(phba->HCregaddr); /* flush */ | |
3844 | writel(0, phba->HCregaddr); | |
3845 | readl(phba->HCregaddr); /* flush */ | |
3846 | ||
3847 | /* Restore PCI cmd register */ | |
3848 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
3849 | |
3850 | /* Initialize relevant SLI info */ | |
41415862 JW |
3851 | for (i = 0; i < psli->num_rings; i++) { |
3852 | pring = &psli->ring[i]; | |
dea3101e JB |
3853 | pring->flag = 0; |
3854 | pring->rspidx = 0; | |
3855 | pring->next_cmdidx = 0; | |
3856 | pring->local_getidx = 0; | |
3857 | pring->cmdidx = 0; | |
3858 | pring->missbufcnt = 0; | |
3859 | } | |
dea3101e | 3860 | |
2e0fef85 | 3861 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
3862 | return 0; |
3863 | } | |
3864 | ||
e59058c4 | 3865 | /** |
da0436e9 JS |
3866 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
3867 | * @phba: Pointer to HBA context object. | |
3868 | * | |
3869 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
3870 | * checking during resets the device. The caller is not required to hold | |
3871 | * any locks. | |
3872 | * | |
3873 | * This function returns 0 always. | |
3874 | **/ | |
3875 | int | |
3876 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
3877 | { | |
3878 | struct lpfc_sli *psli = &phba->sli; | |
3879 | uint16_t cfg_value; | |
da0436e9 JS |
3880 | |
3881 | /* Reset HBA */ | |
3882 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
3883 | "0295 Reset HBA Data: x%x x%x\n", | |
3884 | phba->pport->port_state, psli->sli_flag); | |
3885 | ||
3886 | /* perform board reset */ | |
3887 | phba->fc_eventTag = 0; | |
4d9ab994 | 3888 | phba->link_events = 0; |
da0436e9 JS |
3889 | phba->pport->fc_myDID = 0; |
3890 | phba->pport->fc_prevDID = 0; | |
3891 | ||
da0436e9 JS |
3892 | spin_lock_irq(&phba->hbalock); |
3893 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
3894 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
3895 | spin_unlock_irq(&phba->hbalock); |
3896 | ||
3897 | /* Now physically reset the device */ | |
3898 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3899 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
3900 | |
3901 | /* Turn off parity checking and serr during the physical reset */ | |
3902 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
3903 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & | |
3904 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
3905 | ||
da0436e9 | 3906 | /* Perform FCoE PCI function reset */ |
2e90f4b5 | 3907 | lpfc_sli4_queue_destroy(phba); |
da0436e9 JS |
3908 | lpfc_pci_function_reset(phba); |
3909 | ||
be858b65 JS |
3910 | /* Restore PCI cmd register */ |
3911 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
3912 | ||
da0436e9 JS |
3913 | return 0; |
3914 | } | |
3915 | ||
3916 | /** | |
3917 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
3918 | * @phba: Pointer to HBA context object. |
3919 | * | |
3920 | * This function is called in the SLI initialization code path to | |
3921 | * restart the HBA. The caller is not required to hold any lock. | |
3922 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
3923 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
3924 | * function to free any pending commands. The function enables | |
3925 | * POST only during the first initialization. The function returns zero. | |
3926 | * The function does not guarantee completion of MBX_RESTART mailbox | |
3927 | * command before the return of this function. | |
3928 | **/ | |
da0436e9 JS |
3929 | static int |
3930 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
3931 | { |
3932 | MAILBOX_t *mb; | |
3933 | struct lpfc_sli *psli; | |
41415862 JW |
3934 | volatile uint32_t word0; |
3935 | void __iomem *to_slim; | |
0d878419 | 3936 | uint32_t hba_aer_enabled; |
41415862 | 3937 | |
2e0fef85 | 3938 | spin_lock_irq(&phba->hbalock); |
41415862 | 3939 | |
0d878419 JS |
3940 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
3941 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
3942 | ||
41415862 JW |
3943 | psli = &phba->sli; |
3944 | ||
3945 | /* Restart HBA */ | |
3946 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 3947 | "0337 Restart HBA Data: x%x x%x\n", |
2e0fef85 | 3948 | phba->pport->port_state, psli->sli_flag); |
41415862 JW |
3949 | |
3950 | word0 = 0; | |
3951 | mb = (MAILBOX_t *) &word0; | |
3952 | mb->mbxCommand = MBX_RESTART; | |
3953 | mb->mbxHc = 1; | |
3954 | ||
9290831f JS |
3955 | lpfc_reset_barrier(phba); |
3956 | ||
41415862 JW |
3957 | to_slim = phba->MBslimaddr; |
3958 | writel(*(uint32_t *) mb, to_slim); | |
3959 | readl(to_slim); /* flush */ | |
3960 | ||
3961 | /* Only skip post after fc_ffinit is completed */ | |
eaf15d5b | 3962 | if (phba->pport->port_state) |
41415862 | 3963 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 3964 | else |
41415862 | 3965 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 3966 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
3967 | writel(*(uint32_t *) mb, to_slim); |
3968 | readl(to_slim); /* flush */ | |
dea3101e | 3969 | |
41415862 | 3970 | lpfc_sli_brdreset(phba); |
2e0fef85 JS |
3971 | phba->pport->stopped = 0; |
3972 | phba->link_state = LPFC_INIT_START; | |
da0436e9 | 3973 | phba->hba_flag = 0; |
2e0fef85 | 3974 | spin_unlock_irq(&phba->hbalock); |
41415862 | 3975 | |
64ba8818 JS |
3976 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
3977 | psli->stats_start = get_seconds(); | |
3978 | ||
eaf15d5b JS |
3979 | /* Give the INITFF and Post time to settle. */ |
3980 | mdelay(100); | |
41415862 | 3981 | |
0d878419 JS |
3982 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
3983 | if (hba_aer_enabled) | |
3984 | pci_disable_pcie_error_reporting(phba->pcidev); | |
3985 | ||
41415862 | 3986 | lpfc_hba_down_post(phba); |
dea3101e JB |
3987 | |
3988 | return 0; | |
3989 | } | |
3990 | ||
da0436e9 JS |
3991 | /** |
3992 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
3993 | * @phba: Pointer to HBA context object. | |
3994 | * | |
3995 | * This function is called in the SLI initialization code path to restart | |
3996 | * a SLI4 HBA. The caller is not required to hold any lock. | |
3997 | * At the end of the function, it calls lpfc_hba_down_post function to | |
3998 | * free any pending commands. | |
3999 | **/ | |
4000 | static int | |
4001 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4002 | { | |
4003 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4004 | uint32_t hba_aer_enabled; |
da0436e9 JS |
4005 | |
4006 | /* Restart HBA */ | |
4007 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4008 | "0296 Restart HBA Data: x%x x%x\n", | |
4009 | phba->pport->port_state, psli->sli_flag); | |
4010 | ||
75baf696 JS |
4011 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4012 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4013 | ||
da0436e9 JS |
4014 | lpfc_sli4_brdreset(phba); |
4015 | ||
4016 | spin_lock_irq(&phba->hbalock); | |
4017 | phba->pport->stopped = 0; | |
4018 | phba->link_state = LPFC_INIT_START; | |
4019 | phba->hba_flag = 0; | |
4020 | spin_unlock_irq(&phba->hbalock); | |
4021 | ||
4022 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
4023 | psli->stats_start = get_seconds(); | |
4024 | ||
75baf696 JS |
4025 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4026 | if (hba_aer_enabled) | |
4027 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4028 | ||
da0436e9 JS |
4029 | lpfc_hba_down_post(phba); |
4030 | ||
4031 | return 0; | |
4032 | } | |
4033 | ||
4034 | /** | |
4035 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4036 | * @phba: Pointer to HBA context object. | |
4037 | * | |
4038 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4039 | * API jump table function pointer from the lpfc_hba struct. | |
4040 | **/ | |
4041 | int | |
4042 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4043 | { | |
4044 | return phba->lpfc_sli_brdrestart(phba); | |
4045 | } | |
4046 | ||
e59058c4 | 4047 | /** |
3621a710 | 4048 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4049 | * @phba: Pointer to HBA context object. |
4050 | * | |
4051 | * This function is called after a HBA restart to wait for successful | |
4052 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4053 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4054 | * iteration, the function will restart the HBA again. The function returns | |
4055 | * zero if HBA successfully restarted else returns negative error code. | |
4056 | **/ | |
dea3101e JB |
4057 | static int |
4058 | lpfc_sli_chipset_init(struct lpfc_hba *phba) | |
4059 | { | |
4060 | uint32_t status, i = 0; | |
4061 | ||
4062 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4063 | if (lpfc_readl(phba->HSregaddr, &status)) |
4064 | return -EIO; | |
dea3101e JB |
4065 | |
4066 | /* Check status register to see what current state is */ | |
4067 | i = 0; | |
4068 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4069 | ||
dcf2a4e0 JS |
4070 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4071 | * retries, then every 1 sec for 50 retires for a total of | |
4072 | * ~60 seconds before reset the board again and check every | |
4073 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4074 | * board ready is required by the Falcon FIPS zeroization | |
4075 | * complete, and any reset the board in between shall cause | |
4076 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4077 | */ |
dcf2a4e0 | 4078 | if (i++ >= 200) { |
dea3101e JB |
4079 | /* Adapter failed to init, timeout, status reg |
4080 | <status> */ | |
ed957684 | 4081 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4082 | "0436 Adapter failed to init, " |
09372820 JS |
4083 | "timeout, status reg x%x, " |
4084 | "FW Data: A8 x%x AC x%x\n", status, | |
4085 | readl(phba->MBslimaddr + 0xa8), | |
4086 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4087 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4088 | return -ETIMEDOUT; |
4089 | } | |
4090 | ||
4091 | /* Check to see if any errors occurred during init */ | |
4092 | if (status & HS_FFERM) { | |
4093 | /* ERROR: During chipset initialization */ | |
4094 | /* Adapter failed to init, chipset, status reg | |
4095 | <status> */ | |
ed957684 | 4096 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4097 | "0437 Adapter failed to init, " |
09372820 JS |
4098 | "chipset, status reg x%x, " |
4099 | "FW Data: A8 x%x AC x%x\n", status, | |
4100 | readl(phba->MBslimaddr + 0xa8), | |
4101 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4102 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4103 | return -EIO; |
4104 | } | |
4105 | ||
dcf2a4e0 | 4106 | if (i <= 10) |
dea3101e | 4107 | msleep(10); |
dcf2a4e0 JS |
4108 | else if (i <= 100) |
4109 | msleep(100); | |
4110 | else | |
4111 | msleep(1000); | |
dea3101e | 4112 | |
dcf2a4e0 JS |
4113 | if (i == 150) { |
4114 | /* Do post */ | |
92d7f7b0 | 4115 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4116 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4117 | } |
4118 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4119 | if (lpfc_readl(phba->HSregaddr, &status)) |
4120 | return -EIO; | |
dea3101e JB |
4121 | } |
4122 | ||
4123 | /* Check to see if any errors occurred during init */ | |
4124 | if (status & HS_FFERM) { | |
4125 | /* ERROR: During chipset initialization */ | |
4126 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 4127 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4128 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4129 | "status reg x%x, " |
4130 | "FW Data: A8 x%x AC x%x\n", status, | |
4131 | readl(phba->MBslimaddr + 0xa8), | |
4132 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4133 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4134 | return -EIO; |
4135 | } | |
4136 | ||
4137 | /* Clear all interrupt enable conditions */ | |
4138 | writel(0, phba->HCregaddr); | |
4139 | readl(phba->HCregaddr); /* flush */ | |
4140 | ||
4141 | /* setup host attn register */ | |
4142 | writel(0xffffffff, phba->HAregaddr); | |
4143 | readl(phba->HAregaddr); /* flush */ | |
4144 | return 0; | |
4145 | } | |
4146 | ||
e59058c4 | 4147 | /** |
3621a710 | 4148 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4149 | * |
4150 | * This function calculates and returns the number of HBQs required to be | |
4151 | * configured. | |
4152 | **/ | |
78b2d852 | 4153 | int |
ed957684 JS |
4154 | lpfc_sli_hbq_count(void) |
4155 | { | |
92d7f7b0 | 4156 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4157 | } |
4158 | ||
e59058c4 | 4159 | /** |
3621a710 | 4160 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4161 | * |
4162 | * This function adds the number of hbq entries in every HBQ to get | |
4163 | * the total number of hbq entries required for the HBA and returns | |
4164 | * the total count. | |
4165 | **/ | |
ed957684 JS |
4166 | static int |
4167 | lpfc_sli_hbq_entry_count(void) | |
4168 | { | |
4169 | int hbq_count = lpfc_sli_hbq_count(); | |
4170 | int count = 0; | |
4171 | int i; | |
4172 | ||
4173 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4174 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4175 | return count; |
4176 | } | |
4177 | ||
e59058c4 | 4178 | /** |
3621a710 | 4179 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4180 | * |
4181 | * This function calculates amount of memory required for all hbq entries | |
4182 | * to be configured and returns the total memory required. | |
4183 | **/ | |
dea3101e | 4184 | int |
ed957684 JS |
4185 | lpfc_sli_hbq_size(void) |
4186 | { | |
4187 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4188 | } | |
4189 | ||
e59058c4 | 4190 | /** |
3621a710 | 4191 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4192 | * @phba: Pointer to HBA context object. |
4193 | * | |
4194 | * This function is called during the SLI initialization to configure | |
4195 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4196 | * required to hold any locks. This function will return zero if successful | |
4197 | * else it will return negative error code. | |
4198 | **/ | |
ed957684 JS |
4199 | static int |
4200 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4201 | { | |
4202 | int hbq_count = lpfc_sli_hbq_count(); | |
4203 | LPFC_MBOXQ_t *pmb; | |
4204 | MAILBOX_t *pmbox; | |
4205 | uint32_t hbqno; | |
4206 | uint32_t hbq_entry_index; | |
ed957684 | 4207 | |
92d7f7b0 JS |
4208 | /* Get a Mailbox buffer to setup mailbox |
4209 | * commands for HBA initialization | |
4210 | */ | |
ed957684 JS |
4211 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4212 | ||
4213 | if (!pmb) | |
4214 | return -ENOMEM; | |
4215 | ||
04c68496 | 4216 | pmbox = &pmb->u.mb; |
ed957684 JS |
4217 | |
4218 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4219 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4220 | phba->hbq_in_use = 1; |
ed957684 JS |
4221 | |
4222 | hbq_entry_index = 0; | |
4223 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4224 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4225 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4226 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4227 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4228 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4229 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4230 | hbq_entry_index, pmb); | |
ed957684 JS |
4231 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4232 | ||
4233 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4234 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4235 | mbxStatus <status>, ring <num> */ | |
4236 | ||
4237 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4238 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4239 | "1805 Adapter failed to init. " |
ed957684 | 4240 | "Data: x%x x%x x%x\n", |
e8b62011 | 4241 | pmbox->mbxCommand, |
ed957684 JS |
4242 | pmbox->mbxStatus, hbqno); |
4243 | ||
4244 | phba->link_state = LPFC_HBA_ERROR; | |
4245 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 4246 | return -ENXIO; |
ed957684 JS |
4247 | } |
4248 | } | |
4249 | phba->hbq_count = hbq_count; | |
4250 | ||
ed957684 JS |
4251 | mempool_free(pmb, phba->mbox_mem_pool); |
4252 | ||
92d7f7b0 | 4253 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
4254 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
4255 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
4256 | return 0; |
4257 | } | |
4258 | ||
4f774513 JS |
4259 | /** |
4260 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
4261 | * @phba: Pointer to HBA context object. | |
4262 | * | |
4263 | * This function is called during the SLI initialization to configure | |
4264 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4265 | * required to hold any locks. This function will return zero if successful | |
4266 | * else it will return negative error code. | |
4267 | **/ | |
4268 | static int | |
4269 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
4270 | { | |
4271 | phba->hbq_in_use = 1; | |
4272 | phba->hbqs[0].entry_count = lpfc_hbq_defs[0]->entry_count; | |
4273 | phba->hbq_count = 1; | |
4274 | /* Initially populate or replenish the HBQs */ | |
4275 | lpfc_sli_hbqbuf_init_hbqs(phba, 0); | |
4276 | return 0; | |
4277 | } | |
4278 | ||
e59058c4 | 4279 | /** |
3621a710 | 4280 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
4281 | * @phba: Pointer to HBA context object. |
4282 | * @sli_mode: sli mode - 2/3 | |
4283 | * | |
4284 | * This function is called by the sli intialization code path | |
4285 | * to issue config_port mailbox command. This function restarts the | |
4286 | * HBA firmware and issues a config_port mailbox command to configure | |
4287 | * the SLI interface in the sli mode specified by sli_mode | |
4288 | * variable. The caller is not required to hold any locks. | |
4289 | * The function returns 0 if successful, else returns negative error | |
4290 | * code. | |
4291 | **/ | |
9399627f JS |
4292 | int |
4293 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
4294 | { |
4295 | LPFC_MBOXQ_t *pmb; | |
4296 | uint32_t resetcount = 0, rc = 0, done = 0; | |
4297 | ||
4298 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4299 | if (!pmb) { | |
2e0fef85 | 4300 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4301 | return -ENOMEM; |
4302 | } | |
4303 | ||
ed957684 | 4304 | phba->sli_rev = sli_mode; |
dea3101e | 4305 | while (resetcount < 2 && !done) { |
2e0fef85 | 4306 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4307 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4308 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 4309 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4310 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4311 | rc = lpfc_sli_chipset_init(phba); |
4312 | if (rc) | |
4313 | break; | |
4314 | ||
2e0fef85 | 4315 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4316 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4317 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4318 | resetcount++; |
4319 | ||
ed957684 JS |
4320 | /* Call pre CONFIG_PORT mailbox command initialization. A |
4321 | * value of 0 means the call was successful. Any other | |
4322 | * nonzero value is a failure, but if ERESTART is returned, | |
4323 | * the driver may reset the HBA and try again. | |
4324 | */ | |
dea3101e JB |
4325 | rc = lpfc_config_port_prep(phba); |
4326 | if (rc == -ERESTART) { | |
ed957684 | 4327 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 4328 | continue; |
34b02dcd | 4329 | } else if (rc) |
dea3101e | 4330 | break; |
6d368e53 | 4331 | |
2e0fef85 | 4332 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
4333 | lpfc_config_port(phba, pmb); |
4334 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
4335 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
4336 | LPFC_SLI3_HBQ_ENABLED | | |
4337 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a JS |
4338 | LPFC_SLI3_BG_ENABLED | |
4339 | LPFC_SLI3_DSS_ENABLED); | |
ed957684 | 4340 | if (rc != MBX_SUCCESS) { |
dea3101e | 4341 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4342 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 4343 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 4344 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 4345 | spin_lock_irq(&phba->hbalock); |
04c68496 | 4346 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
4347 | spin_unlock_irq(&phba->hbalock); |
4348 | rc = -ENXIO; | |
04c68496 JS |
4349 | } else { |
4350 | /* Allow asynchronous mailbox command to go through */ | |
4351 | spin_lock_irq(&phba->hbalock); | |
4352 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
4353 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 4354 | done = 1; |
cb69f7de JS |
4355 | |
4356 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
4357 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
4358 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4359 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 4360 | } |
dea3101e | 4361 | } |
ed957684 JS |
4362 | if (!done) { |
4363 | rc = -EINVAL; | |
4364 | goto do_prep_failed; | |
4365 | } | |
04c68496 JS |
4366 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
4367 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
4368 | rc = -ENXIO; |
4369 | goto do_prep_failed; | |
4370 | } | |
04c68496 | 4371 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 4372 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
4373 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
4374 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
4375 | phba->max_vpi : phba->max_vports; | |
4376 | ||
34b02dcd JS |
4377 | } else |
4378 | phba->max_vpi = 0; | |
bc73905a JS |
4379 | phba->fips_level = 0; |
4380 | phba->fips_spec_rev = 0; | |
4381 | if (pmb->u.mb.un.varCfgPort.gdss) { | |
04c68496 | 4382 | phba->sli3_options |= LPFC_SLI3_DSS_ENABLED; |
bc73905a JS |
4383 | phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level; |
4384 | phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev; | |
4385 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4386 | "2850 Security Crypto Active. FIPS x%d " | |
4387 | "(Spec Rev: x%d)", | |
4388 | phba->fips_level, phba->fips_spec_rev); | |
4389 | } | |
4390 | if (pmb->u.mb.un.varCfgPort.sec_err) { | |
4391 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4392 | "2856 Config Port Security Crypto " | |
4393 | "Error: x%x ", | |
4394 | pmb->u.mb.un.varCfgPort.sec_err); | |
4395 | } | |
04c68496 | 4396 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 4397 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 4398 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 4399 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
4400 | |
4401 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
4402 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 JS |
4403 | |
4404 | if (phba->cfg_enable_bg) { | |
04c68496 | 4405 | if (pmb->u.mb.un.varCfgPort.gbg) |
e2a0a9d6 JS |
4406 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; |
4407 | else | |
4408 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4409 | "0443 Adapter did not grant " | |
4410 | "BlockGuard\n"); | |
4411 | } | |
34b02dcd | 4412 | } else { |
8f34f4ce | 4413 | phba->hbq_get = NULL; |
34b02dcd | 4414 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 4415 | phba->max_vpi = 0; |
ed957684 | 4416 | } |
92d7f7b0 | 4417 | do_prep_failed: |
ed957684 JS |
4418 | mempool_free(pmb, phba->mbox_mem_pool); |
4419 | return rc; | |
4420 | } | |
4421 | ||
e59058c4 JS |
4422 | |
4423 | /** | |
3621a710 | 4424 | * lpfc_sli_hba_setup - SLI intialization function |
e59058c4 JS |
4425 | * @phba: Pointer to HBA context object. |
4426 | * | |
4427 | * This function is the main SLI intialization function. This function | |
4428 | * is called by the HBA intialization code, HBA reset code and HBA | |
4429 | * error attention handler code. Caller is not required to hold any | |
4430 | * locks. This function issues config_port mailbox command to configure | |
4431 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
4432 | * calls the config_port_post function to issue init_link mailbox | |
4433 | * command and to start the discovery. The function will return zero | |
4434 | * if successful, else it will return negative error code. | |
4435 | **/ | |
ed957684 JS |
4436 | int |
4437 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
4438 | { | |
4439 | uint32_t rc; | |
6d368e53 JS |
4440 | int mode = 3, i; |
4441 | int longs; | |
ed957684 JS |
4442 | |
4443 | switch (lpfc_sli_mode) { | |
4444 | case 2: | |
78b2d852 | 4445 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 4446 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 | 4447 | "1824 NPIV enabled: Override lpfc_sli_mode " |
92d7f7b0 | 4448 | "parameter (%d) to auto (0).\n", |
e8b62011 | 4449 | lpfc_sli_mode); |
92d7f7b0 JS |
4450 | break; |
4451 | } | |
ed957684 JS |
4452 | mode = 2; |
4453 | break; | |
4454 | case 0: | |
4455 | case 3: | |
4456 | break; | |
4457 | default: | |
92d7f7b0 | 4458 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
4459 | "1819 Unrecognized lpfc_sli_mode " |
4460 | "parameter: %d.\n", lpfc_sli_mode); | |
ed957684 JS |
4461 | |
4462 | break; | |
4463 | } | |
4464 | ||
9399627f JS |
4465 | rc = lpfc_sli_config_port(phba, mode); |
4466 | ||
ed957684 | 4467 | if (rc && lpfc_sli_mode == 3) |
92d7f7b0 | 4468 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
4469 | "1820 Unable to select SLI-3. " |
4470 | "Not supported by adapter.\n"); | |
ed957684 | 4471 | if (rc && mode != 2) |
9399627f | 4472 | rc = lpfc_sli_config_port(phba, 2); |
ed957684 | 4473 | if (rc) |
dea3101e JB |
4474 | goto lpfc_sli_hba_setup_error; |
4475 | ||
0d878419 JS |
4476 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
4477 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
4478 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
4479 | if (!rc) { | |
4480 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4481 | "2709 This device supports " | |
4482 | "Advanced Error Reporting (AER)\n"); | |
4483 | spin_lock_irq(&phba->hbalock); | |
4484 | phba->hba_flag |= HBA_AER_ENABLED; | |
4485 | spin_unlock_irq(&phba->hbalock); | |
4486 | } else { | |
4487 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4488 | "2708 This device does not support " | |
4489 | "Advanced Error Reporting (AER)\n"); | |
4490 | phba->cfg_aer_support = 0; | |
4491 | } | |
4492 | } | |
4493 | ||
ed957684 JS |
4494 | if (phba->sli_rev == 3) { |
4495 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
4496 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
4497 | } else { |
4498 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
4499 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 4500 | phba->sli3_options = 0; |
ed957684 JS |
4501 | } |
4502 | ||
4503 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
4504 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
4505 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 4506 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
4507 | |
4508 | if (rc) | |
4509 | goto lpfc_sli_hba_setup_error; | |
4510 | ||
6d368e53 JS |
4511 | /* Initialize VPIs. */ |
4512 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
4513 | /* | |
4514 | * The VPI bitmask and physical ID array are allocated | |
4515 | * and initialized once only - at driver load. A port | |
4516 | * reset doesn't need to reinitialize this memory. | |
4517 | */ | |
4518 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
4519 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
4520 | phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
4521 | GFP_KERNEL); | |
4522 | if (!phba->vpi_bmask) { | |
4523 | rc = -ENOMEM; | |
4524 | goto lpfc_sli_hba_setup_error; | |
4525 | } | |
4526 | ||
4527 | phba->vpi_ids = kzalloc( | |
4528 | (phba->max_vpi+1) * sizeof(uint16_t), | |
4529 | GFP_KERNEL); | |
4530 | if (!phba->vpi_ids) { | |
4531 | kfree(phba->vpi_bmask); | |
4532 | rc = -ENOMEM; | |
4533 | goto lpfc_sli_hba_setup_error; | |
4534 | } | |
4535 | for (i = 0; i < phba->max_vpi; i++) | |
4536 | phba->vpi_ids[i] = i; | |
4537 | } | |
4538 | } | |
4539 | ||
9399627f | 4540 | /* Init HBQs */ |
ed957684 JS |
4541 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
4542 | rc = lpfc_sli_hbq_setup(phba); | |
4543 | if (rc) | |
4544 | goto lpfc_sli_hba_setup_error; | |
4545 | } | |
04c68496 | 4546 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4547 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 4548 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4549 | |
4550 | rc = lpfc_config_port_post(phba); | |
4551 | if (rc) | |
4552 | goto lpfc_sli_hba_setup_error; | |
4553 | ||
ed957684 JS |
4554 | return rc; |
4555 | ||
92d7f7b0 | 4556 | lpfc_sli_hba_setup_error: |
2e0fef85 | 4557 | phba->link_state = LPFC_HBA_ERROR; |
e40a02c1 | 4558 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4559 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
4560 | return rc; |
4561 | } | |
4562 | ||
e59058c4 | 4563 | /** |
da0436e9 JS |
4564 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
4565 | * @phba: Pointer to HBA context object. | |
4566 | * @mboxq: mailbox pointer. | |
4567 | * This function issue a dump mailbox command to read config region | |
4568 | * 23 and parse the records in the region and populate driver | |
4569 | * data structure. | |
e59058c4 | 4570 | **/ |
da0436e9 | 4571 | static int |
ff78d8f9 | 4572 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 4573 | { |
ff78d8f9 | 4574 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
4575 | struct lpfc_dmabuf *mp; |
4576 | struct lpfc_mqe *mqe; | |
4577 | uint32_t data_length; | |
4578 | int rc; | |
dea3101e | 4579 | |
da0436e9 JS |
4580 | /* Program the default value of vlan_id and fc_map */ |
4581 | phba->valid_vlan = 0; | |
4582 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4583 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4584 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 4585 | |
ff78d8f9 JS |
4586 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4587 | if (!mboxq) | |
da0436e9 JS |
4588 | return -ENOMEM; |
4589 | ||
ff78d8f9 JS |
4590 | mqe = &mboxq->u.mqe; |
4591 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
4592 | rc = -ENOMEM; | |
4593 | goto out_free_mboxq; | |
4594 | } | |
4595 | ||
da0436e9 JS |
4596 | mp = (struct lpfc_dmabuf *) mboxq->context1; |
4597 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
4598 | ||
4599 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
4600 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
4601 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
4602 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
4603 | "CQ: x%x x%x x%x x%x\n", | |
4604 | mboxq->vport ? mboxq->vport->vpi : 0, | |
4605 | bf_get(lpfc_mqe_command, mqe), | |
4606 | bf_get(lpfc_mqe_status, mqe), | |
4607 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
4608 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
4609 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
4610 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
4611 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
4612 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
4613 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
4614 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
4615 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
4616 | mboxq->mcqe.word0, | |
4617 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
4618 | mboxq->mcqe.trailer); | |
4619 | ||
4620 | if (rc) { | |
4621 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
4622 | kfree(mp); | |
ff78d8f9 JS |
4623 | rc = -EIO; |
4624 | goto out_free_mboxq; | |
da0436e9 JS |
4625 | } |
4626 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 4627 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
4628 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
4629 | kfree(mp); | |
ff78d8f9 JS |
4630 | rc = -EIO; |
4631 | goto out_free_mboxq; | |
d11e31dd | 4632 | } |
dea3101e | 4633 | |
da0436e9 JS |
4634 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
4635 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
4636 | kfree(mp); | |
ff78d8f9 JS |
4637 | rc = 0; |
4638 | ||
4639 | out_free_mboxq: | |
4640 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4641 | return rc; | |
da0436e9 | 4642 | } |
e59058c4 JS |
4643 | |
4644 | /** | |
da0436e9 JS |
4645 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
4646 | * @phba: pointer to lpfc hba data structure. | |
4647 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
4648 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
4649 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
4650 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 4651 | * |
da0436e9 JS |
4652 | * This routine executes a READ_REV SLI4 mailbox command. In |
4653 | * addition, this routine gets the port vpd data. | |
4654 | * | |
4655 | * Return codes | |
af901ca1 | 4656 | * 0 - successful |
d439d286 | 4657 | * -ENOMEM - could not allocated memory. |
e59058c4 | 4658 | **/ |
da0436e9 JS |
4659 | static int |
4660 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
4661 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 4662 | { |
da0436e9 JS |
4663 | int rc = 0; |
4664 | uint32_t dma_size; | |
4665 | struct lpfc_dmabuf *dmabuf; | |
4666 | struct lpfc_mqe *mqe; | |
dea3101e | 4667 | |
da0436e9 JS |
4668 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
4669 | if (!dmabuf) | |
4670 | return -ENOMEM; | |
4671 | ||
4672 | /* | |
4673 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
4674 | * mailbox command. | |
a257bf90 | 4675 | */ |
da0436e9 JS |
4676 | dma_size = *vpd_size; |
4677 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
4678 | dma_size, | |
4679 | &dmabuf->phys, | |
4680 | GFP_KERNEL); | |
4681 | if (!dmabuf->virt) { | |
4682 | kfree(dmabuf); | |
4683 | return -ENOMEM; | |
a257bf90 | 4684 | } |
da0436e9 | 4685 | memset(dmabuf->virt, 0, dma_size); |
a257bf90 | 4686 | |
da0436e9 JS |
4687 | /* |
4688 | * The SLI4 implementation of READ_REV conflicts at word1, | |
4689 | * bits 31:16 and SLI4 adds vpd functionality not present | |
4690 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 4691 | */ |
da0436e9 JS |
4692 | lpfc_read_rev(phba, mboxq); |
4693 | mqe = &mboxq->u.mqe; | |
4694 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
4695 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
4696 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
4697 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
4698 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
4699 | ||
4700 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
4701 | if (rc) { | |
4702 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
4703 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 4704 | kfree(dmabuf); |
da0436e9 JS |
4705 | return -EIO; |
4706 | } | |
1dcb58e5 | 4707 | |
da0436e9 JS |
4708 | /* |
4709 | * The available vpd length cannot be bigger than the | |
4710 | * DMA buffer passed to the port. Catch the less than | |
4711 | * case and update the caller's size. | |
4712 | */ | |
4713 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
4714 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 4715 | |
d7c47992 JS |
4716 | memcpy(vpd, dmabuf->virt, *vpd_size); |
4717 | ||
da0436e9 JS |
4718 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
4719 | dmabuf->virt, dmabuf->phys); | |
4720 | kfree(dmabuf); | |
4721 | return 0; | |
dea3101e JB |
4722 | } |
4723 | ||
cd1c8301 JS |
4724 | /** |
4725 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
4726 | * @phba: pointer to lpfc hba data structure. | |
4727 | * | |
4728 | * This routine retrieves SLI4 device physical port name this PCI function | |
4729 | * is attached to. | |
4730 | * | |
4731 | * Return codes | |
4732 | * 0 - sucessful | |
4733 | * otherwise - failed to retrieve physical port name | |
4734 | **/ | |
4735 | static int | |
4736 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
4737 | { | |
4738 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
4739 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
4740 | struct lpfc_controller_attribute *cntl_attr; | |
4741 | struct lpfc_mbx_get_port_name *get_port_name; | |
4742 | void *virtaddr = NULL; | |
4743 | uint32_t alloclen, reqlen; | |
4744 | uint32_t shdr_status, shdr_add_status; | |
4745 | union lpfc_sli4_cfg_shdr *shdr; | |
4746 | char cport_name = 0; | |
4747 | int rc; | |
4748 | ||
4749 | /* We assume nothing at this point */ | |
4750 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
4751 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
4752 | ||
4753 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4754 | if (!mboxq) | |
4755 | return -ENOMEM; | |
cd1c8301 | 4756 | /* obtain link type and link number via READ_CONFIG */ |
ff78d8f9 JS |
4757 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; |
4758 | lpfc_sli4_read_config(phba); | |
4759 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
4760 | goto retrieve_ppname; | |
cd1c8301 JS |
4761 | |
4762 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
4763 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); | |
4764 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
4765 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
4766 | LPFC_SLI4_MBX_NEMBED); | |
4767 | if (alloclen < reqlen) { | |
4768 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4769 | "3084 Allocated DMA memory size (%d) is " | |
4770 | "less than the requested DMA memory size " | |
4771 | "(%d)\n", alloclen, reqlen); | |
4772 | rc = -ENOMEM; | |
4773 | goto out_free_mboxq; | |
4774 | } | |
4775 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
4776 | virtaddr = mboxq->sge_array->addr[0]; | |
4777 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
4778 | shdr = &mbx_cntl_attr->cfg_shdr; | |
4779 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
4780 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
4781 | if (shdr_status || shdr_add_status || rc) { | |
4782 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
4783 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
4784 | "rc:x%x, status:x%x, add_status:x%x\n", | |
4785 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
4786 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
4787 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
4788 | rc, shdr_status, shdr_add_status); | |
4789 | rc = -ENXIO; | |
4790 | goto out_free_mboxq; | |
4791 | } | |
4792 | cntl_attr = &mbx_cntl_attr->cntl_attr; | |
4793 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
4794 | phba->sli4_hba.lnk_info.lnk_tp = | |
4795 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
4796 | phba->sli4_hba.lnk_info.lnk_no = | |
4797 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
4798 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4799 | "3086 lnk_type:%d, lnk_numb:%d\n", | |
4800 | phba->sli4_hba.lnk_info.lnk_tp, | |
4801 | phba->sli4_hba.lnk_info.lnk_no); | |
4802 | ||
4803 | retrieve_ppname: | |
4804 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
4805 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
4806 | sizeof(struct lpfc_mbx_get_port_name) - | |
4807 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
4808 | LPFC_SLI4_MBX_EMBED); | |
4809 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
4810 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
4811 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
4812 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
4813 | phba->sli4_hba.lnk_info.lnk_tp); | |
4814 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
4815 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
4816 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
4817 | if (shdr_status || shdr_add_status || rc) { | |
4818 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
4819 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
4820 | "rc:x%x, status:x%x, add_status:x%x\n", | |
4821 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
4822 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
4823 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
4824 | rc, shdr_status, shdr_add_status); | |
4825 | rc = -ENXIO; | |
4826 | goto out_free_mboxq; | |
4827 | } | |
4828 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
4829 | case LPFC_LINK_NUMBER_0: | |
4830 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
4831 | &get_port_name->u.response); | |
4832 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
4833 | break; | |
4834 | case LPFC_LINK_NUMBER_1: | |
4835 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
4836 | &get_port_name->u.response); | |
4837 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
4838 | break; | |
4839 | case LPFC_LINK_NUMBER_2: | |
4840 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
4841 | &get_port_name->u.response); | |
4842 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
4843 | break; | |
4844 | case LPFC_LINK_NUMBER_3: | |
4845 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
4846 | &get_port_name->u.response); | |
4847 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
4848 | break; | |
4849 | default: | |
4850 | break; | |
4851 | } | |
4852 | ||
4853 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
4854 | phba->Port[0] = cport_name; | |
4855 | phba->Port[1] = '\0'; | |
4856 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4857 | "3091 SLI get port name: %s\n", phba->Port); | |
4858 | } | |
4859 | ||
4860 | out_free_mboxq: | |
4861 | if (rc != MBX_TIMEOUT) { | |
4862 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
4863 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
4864 | else | |
4865 | mempool_free(mboxq, phba->mbox_mem_pool); | |
4866 | } | |
4867 | return rc; | |
4868 | } | |
4869 | ||
e59058c4 | 4870 | /** |
da0436e9 JS |
4871 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
4872 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 4873 | * |
da0436e9 JS |
4874 | * This routine is called to explicitly arm the SLI4 device's completion and |
4875 | * event queues | |
4876 | **/ | |
4877 | static void | |
4878 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
4879 | { | |
4880 | uint8_t fcp_eqidx; | |
4881 | ||
4882 | lpfc_sli4_cq_release(phba->sli4_hba.mbx_cq, LPFC_QUEUE_REARM); | |
4883 | lpfc_sli4_cq_release(phba->sli4_hba.els_cq, LPFC_QUEUE_REARM); | |
0558056c | 4884 | fcp_eqidx = 0; |
2e90f4b5 JS |
4885 | if (phba->sli4_hba.fcp_cq) { |
4886 | do | |
4887 | lpfc_sli4_cq_release(phba->sli4_hba.fcp_cq[fcp_eqidx], | |
4888 | LPFC_QUEUE_REARM); | |
4889 | while (++fcp_eqidx < phba->cfg_fcp_eq_count); | |
4890 | } | |
da0436e9 | 4891 | lpfc_sli4_eq_release(phba->sli4_hba.sp_eq, LPFC_QUEUE_REARM); |
2e90f4b5 JS |
4892 | if (phba->sli4_hba.fp_eq) { |
4893 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; | |
4894 | fcp_eqidx++) | |
4895 | lpfc_sli4_eq_release(phba->sli4_hba.fp_eq[fcp_eqidx], | |
4896 | LPFC_QUEUE_REARM); | |
4897 | } | |
da0436e9 JS |
4898 | } |
4899 | ||
6d368e53 JS |
4900 | /** |
4901 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
4902 | * @phba: Pointer to HBA context object. | |
4903 | * @type: The resource extent type. | |
b76f2dc9 JS |
4904 | * @extnt_count: buffer to hold port available extent count. |
4905 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 4906 | * |
b76f2dc9 JS |
4907 | * This function calls the port and retrievs the number of available |
4908 | * extents and their size for a particular extent type. | |
4909 | * | |
4910 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 4911 | **/ |
b76f2dc9 | 4912 | int |
6d368e53 JS |
4913 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
4914 | uint16_t *extnt_count, uint16_t *extnt_size) | |
4915 | { | |
4916 | int rc = 0; | |
4917 | uint32_t length; | |
4918 | uint32_t mbox_tmo; | |
4919 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
4920 | LPFC_MBOXQ_t *mbox; | |
4921 | ||
4922 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4923 | if (!mbox) | |
4924 | return -ENOMEM; | |
4925 | ||
4926 | /* Find out how many extents are available for this resource type */ | |
4927 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
4928 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
4929 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
4930 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
4931 | length, LPFC_SLI4_MBX_EMBED); | |
4932 | ||
4933 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
4934 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
4935 | LPFC_SLI4_MBX_EMBED); | |
4936 | if (unlikely(rc)) { | |
4937 | rc = -EIO; | |
4938 | goto err_exit; | |
4939 | } | |
4940 | ||
4941 | if (!phba->sli4_hba.intr_enable) | |
4942 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
4943 | else { | |
a183a15f | 4944 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
4945 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
4946 | } | |
4947 | if (unlikely(rc)) { | |
4948 | rc = -EIO; | |
4949 | goto err_exit; | |
4950 | } | |
4951 | ||
4952 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
4953 | if (bf_get(lpfc_mbox_hdr_status, | |
4954 | &rsrc_info->header.cfg_shdr.response)) { | |
4955 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
4956 | "2930 Failed to get resource extents " | |
4957 | "Status 0x%x Add'l Status 0x%x\n", | |
4958 | bf_get(lpfc_mbox_hdr_status, | |
4959 | &rsrc_info->header.cfg_shdr.response), | |
4960 | bf_get(lpfc_mbox_hdr_add_status, | |
4961 | &rsrc_info->header.cfg_shdr.response)); | |
4962 | rc = -EIO; | |
4963 | goto err_exit; | |
4964 | } | |
4965 | ||
4966 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
4967 | &rsrc_info->u.rsp); | |
4968 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
4969 | &rsrc_info->u.rsp); | |
4970 | err_exit: | |
4971 | mempool_free(mbox, phba->mbox_mem_pool); | |
4972 | return rc; | |
4973 | } | |
4974 | ||
4975 | /** | |
4976 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
4977 | * @phba: Pointer to HBA context object. | |
4978 | * @type: The extent type to check. | |
4979 | * | |
4980 | * This function reads the current available extents from the port and checks | |
4981 | * if the extent count or extent size has changed since the last access. | |
4982 | * Callers use this routine post port reset to understand if there is a | |
4983 | * extent reprovisioning requirement. | |
4984 | * | |
4985 | * Returns: | |
4986 | * -Error: error indicates problem. | |
4987 | * 1: Extent count or size has changed. | |
4988 | * 0: No changes. | |
4989 | **/ | |
4990 | static int | |
4991 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
4992 | { | |
4993 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
4994 | uint16_t size_diff, rsrc_ext_size; | |
4995 | int rc = 0; | |
4996 | struct lpfc_rsrc_blks *rsrc_entry; | |
4997 | struct list_head *rsrc_blk_list = NULL; | |
4998 | ||
4999 | size_diff = 0; | |
5000 | curr_ext_cnt = 0; | |
5001 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5002 | &rsrc_ext_cnt, | |
5003 | &rsrc_ext_size); | |
5004 | if (unlikely(rc)) | |
5005 | return -EIO; | |
5006 | ||
5007 | switch (type) { | |
5008 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5009 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5010 | break; | |
5011 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5012 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5013 | break; | |
5014 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5015 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5016 | break; | |
5017 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5018 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5019 | break; | |
5020 | default: | |
5021 | break; | |
5022 | } | |
5023 | ||
5024 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5025 | curr_ext_cnt++; | |
5026 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5027 | size_diff++; | |
5028 | } | |
5029 | ||
5030 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5031 | rc = 1; | |
5032 | ||
5033 | return rc; | |
5034 | } | |
5035 | ||
5036 | /** | |
5037 | * lpfc_sli4_cfg_post_extnts - | |
5038 | * @phba: Pointer to HBA context object. | |
5039 | * @extnt_cnt - number of available extents. | |
5040 | * @type - the extent type (rpi, xri, vfi, vpi). | |
5041 | * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5042 | * @mbox - pointer to the caller's allocated mailbox structure. | |
5043 | * | |
5044 | * This function executes the extents allocation request. It also | |
5045 | * takes care of the amount of memory needed to allocate or get the | |
5046 | * allocated extents. It is the caller's responsibility to evaluate | |
5047 | * the response. | |
5048 | * | |
5049 | * Returns: | |
5050 | * -Error: Error value describes the condition found. | |
5051 | * 0: if successful | |
5052 | **/ | |
5053 | static int | |
5054 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t *extnt_cnt, | |
5055 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) | |
5056 | { | |
5057 | int rc = 0; | |
5058 | uint32_t req_len; | |
5059 | uint32_t emb_len; | |
5060 | uint32_t alloc_len, mbox_tmo; | |
5061 | ||
5062 | /* Calculate the total requested length of the dma memory */ | |
5063 | req_len = *extnt_cnt * sizeof(uint16_t); | |
5064 | ||
5065 | /* | |
5066 | * Calculate the size of an embedded mailbox. The uint32_t | |
5067 | * accounts for extents-specific word. | |
5068 | */ | |
5069 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5070 | sizeof(uint32_t); | |
5071 | ||
5072 | /* | |
5073 | * Presume the allocation and response will fit into an embedded | |
5074 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5075 | */ | |
5076 | *emb = LPFC_SLI4_MBX_EMBED; | |
5077 | if (req_len > emb_len) { | |
5078 | req_len = *extnt_cnt * sizeof(uint16_t) + | |
5079 | sizeof(union lpfc_sli4_cfg_shdr) + | |
5080 | sizeof(uint32_t); | |
5081 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5082 | } | |
5083 | ||
5084 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5085 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5086 | req_len, *emb); | |
5087 | if (alloc_len < req_len) { | |
5088 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
b76f2dc9 | 5089 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5090 | "less than the requested DMA memory " |
5091 | "size (x%x)\n", alloc_len, req_len); | |
5092 | return -ENOMEM; | |
5093 | } | |
5094 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, *extnt_cnt, type, *emb); | |
5095 | if (unlikely(rc)) | |
5096 | return -EIO; | |
5097 | ||
5098 | if (!phba->sli4_hba.intr_enable) | |
5099 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5100 | else { | |
a183a15f | 5101 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5102 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5103 | } | |
5104 | ||
5105 | if (unlikely(rc)) | |
5106 | rc = -EIO; | |
5107 | return rc; | |
5108 | } | |
5109 | ||
5110 | /** | |
5111 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5112 | * @phba: Pointer to HBA context object. | |
5113 | * @type: The resource extent type to allocate. | |
5114 | * | |
5115 | * This function allocates the number of elements for the specified | |
5116 | * resource type. | |
5117 | **/ | |
5118 | static int | |
5119 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5120 | { | |
5121 | bool emb = false; | |
5122 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5123 | uint16_t rsrc_id, rsrc_start, j, k; | |
5124 | uint16_t *ids; | |
5125 | int i, rc; | |
5126 | unsigned long longs; | |
5127 | unsigned long *bmask; | |
5128 | struct lpfc_rsrc_blks *rsrc_blks; | |
5129 | LPFC_MBOXQ_t *mbox; | |
5130 | uint32_t length; | |
5131 | struct lpfc_id_range *id_array = NULL; | |
5132 | void *virtaddr = NULL; | |
5133 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5134 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5135 | struct list_head *ext_blk_list; | |
5136 | ||
5137 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5138 | &rsrc_cnt, | |
5139 | &rsrc_size); | |
5140 | if (unlikely(rc)) | |
5141 | return -EIO; | |
5142 | ||
5143 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
5144 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5145 | "3009 No available Resource Extents " | |
5146 | "for resource type 0x%x: Count: 0x%x, " | |
5147 | "Size 0x%x\n", type, rsrc_cnt, | |
5148 | rsrc_size); | |
5149 | return -ENOMEM; | |
5150 | } | |
5151 | ||
5152 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT, | |
5153 | "2903 Available Resource Extents " | |
5154 | "for resource type 0x%x: Count: 0x%x, " | |
5155 | "Size 0x%x\n", type, rsrc_cnt, | |
5156 | rsrc_size); | |
5157 | ||
5158 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5159 | if (!mbox) | |
5160 | return -ENOMEM; | |
5161 | ||
5162 | rc = lpfc_sli4_cfg_post_extnts(phba, &rsrc_cnt, type, &emb, mbox); | |
5163 | if (unlikely(rc)) { | |
5164 | rc = -EIO; | |
5165 | goto err_exit; | |
5166 | } | |
5167 | ||
5168 | /* | |
5169 | * Figure out where the response is located. Then get local pointers | |
5170 | * to the response data. The port does not guarantee to respond to | |
5171 | * all extents counts request so update the local variable with the | |
5172 | * allocated count from the port. | |
5173 | */ | |
5174 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5175 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5176 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5177 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5178 | } else { | |
5179 | virtaddr = mbox->sge_array->addr[0]; | |
5180 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5181 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5182 | id_array = &n_rsrc->id; | |
5183 | } | |
5184 | ||
5185 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5186 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
5187 | ||
5188 | /* | |
5189 | * Based on the resource size and count, correct the base and max | |
5190 | * resource values. | |
5191 | */ | |
5192 | length = sizeof(struct lpfc_rsrc_blks); | |
5193 | switch (type) { | |
5194 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5195 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
5196 | sizeof(unsigned long), | |
5197 | GFP_KERNEL); | |
5198 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5199 | rc = -ENOMEM; | |
5200 | goto err_exit; | |
5201 | } | |
5202 | phba->sli4_hba.rpi_ids = kzalloc(rsrc_id_cnt * | |
5203 | sizeof(uint16_t), | |
5204 | GFP_KERNEL); | |
5205 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5206 | kfree(phba->sli4_hba.rpi_bmask); | |
5207 | rc = -ENOMEM; | |
5208 | goto err_exit; | |
5209 | } | |
5210 | ||
5211 | /* | |
5212 | * The next_rpi was initialized with the maximum available | |
5213 | * count but the port may allocate a smaller number. Catch | |
5214 | * that case and update the next_rpi. | |
5215 | */ | |
5216 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
5217 | ||
5218 | /* Initialize local ptrs for common extent processing later. */ | |
5219 | bmask = phba->sli4_hba.rpi_bmask; | |
5220 | ids = phba->sli4_hba.rpi_ids; | |
5221 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5222 | break; | |
5223 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5224 | phba->vpi_bmask = kzalloc(longs * | |
5225 | sizeof(unsigned long), | |
5226 | GFP_KERNEL); | |
5227 | if (unlikely(!phba->vpi_bmask)) { | |
5228 | rc = -ENOMEM; | |
5229 | goto err_exit; | |
5230 | } | |
5231 | phba->vpi_ids = kzalloc(rsrc_id_cnt * | |
5232 | sizeof(uint16_t), | |
5233 | GFP_KERNEL); | |
5234 | if (unlikely(!phba->vpi_ids)) { | |
5235 | kfree(phba->vpi_bmask); | |
5236 | rc = -ENOMEM; | |
5237 | goto err_exit; | |
5238 | } | |
5239 | ||
5240 | /* Initialize local ptrs for common extent processing later. */ | |
5241 | bmask = phba->vpi_bmask; | |
5242 | ids = phba->vpi_ids; | |
5243 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
5244 | break; | |
5245 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5246 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
5247 | sizeof(unsigned long), | |
5248 | GFP_KERNEL); | |
5249 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5250 | rc = -ENOMEM; | |
5251 | goto err_exit; | |
5252 | } | |
5253 | phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt * | |
5254 | sizeof(uint16_t), | |
5255 | GFP_KERNEL); | |
5256 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5257 | kfree(phba->sli4_hba.xri_bmask); | |
5258 | rc = -ENOMEM; | |
5259 | goto err_exit; | |
5260 | } | |
5261 | ||
5262 | /* Initialize local ptrs for common extent processing later. */ | |
5263 | bmask = phba->sli4_hba.xri_bmask; | |
5264 | ids = phba->sli4_hba.xri_ids; | |
5265 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5266 | break; | |
5267 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5268 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
5269 | sizeof(unsigned long), | |
5270 | GFP_KERNEL); | |
5271 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5272 | rc = -ENOMEM; | |
5273 | goto err_exit; | |
5274 | } | |
5275 | phba->sli4_hba.vfi_ids = kzalloc(rsrc_id_cnt * | |
5276 | sizeof(uint16_t), | |
5277 | GFP_KERNEL); | |
5278 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5279 | kfree(phba->sli4_hba.vfi_bmask); | |
5280 | rc = -ENOMEM; | |
5281 | goto err_exit; | |
5282 | } | |
5283 | ||
5284 | /* Initialize local ptrs for common extent processing later. */ | |
5285 | bmask = phba->sli4_hba.vfi_bmask; | |
5286 | ids = phba->sli4_hba.vfi_ids; | |
5287 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5288 | break; | |
5289 | default: | |
5290 | /* Unsupported Opcode. Fail call. */ | |
5291 | id_array = NULL; | |
5292 | bmask = NULL; | |
5293 | ids = NULL; | |
5294 | ext_blk_list = NULL; | |
5295 | goto err_exit; | |
5296 | } | |
5297 | ||
5298 | /* | |
5299 | * Complete initializing the extent configuration with the | |
5300 | * allocated ids assigned to this function. The bitmask serves | |
5301 | * as an index into the array and manages the available ids. The | |
5302 | * array just stores the ids communicated to the port via the wqes. | |
5303 | */ | |
5304 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
5305 | if ((i % 2) == 0) | |
5306 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
5307 | &id_array[k]); | |
5308 | else | |
5309 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
5310 | &id_array[k]); | |
5311 | ||
5312 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
5313 | if (unlikely(!rsrc_blks)) { | |
5314 | rc = -ENOMEM; | |
5315 | kfree(bmask); | |
5316 | kfree(ids); | |
5317 | goto err_exit; | |
5318 | } | |
5319 | rsrc_blks->rsrc_start = rsrc_id; | |
5320 | rsrc_blks->rsrc_size = rsrc_size; | |
5321 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
5322 | rsrc_start = rsrc_id; | |
5323 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) | |
5324 | phba->sli4_hba.scsi_xri_start = rsrc_start + | |
5325 | lpfc_sli4_get_els_iocb_cnt(phba); | |
5326 | ||
5327 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
5328 | ids[j] = rsrc_id; | |
5329 | rsrc_id++; | |
5330 | j++; | |
5331 | } | |
5332 | /* Entire word processed. Get next word.*/ | |
5333 | if ((i % 2) == 1) | |
5334 | k++; | |
5335 | } | |
5336 | err_exit: | |
5337 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
5338 | return rc; | |
5339 | } | |
5340 | ||
5341 | /** | |
5342 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
5343 | * @phba: Pointer to HBA context object. | |
5344 | * @type: the extent's type. | |
5345 | * | |
5346 | * This function deallocates all extents of a particular resource type. | |
5347 | * SLI4 does not allow for deallocating a particular extent range. It | |
5348 | * is the caller's responsibility to release all kernel memory resources. | |
5349 | **/ | |
5350 | static int | |
5351 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5352 | { | |
5353 | int rc; | |
5354 | uint32_t length, mbox_tmo = 0; | |
5355 | LPFC_MBOXQ_t *mbox; | |
5356 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
5357 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
5358 | ||
5359 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5360 | if (!mbox) | |
5361 | return -ENOMEM; | |
5362 | ||
5363 | /* | |
5364 | * This function sends an embedded mailbox because it only sends the | |
5365 | * the resource type. All extents of this type are released by the | |
5366 | * port. | |
5367 | */ | |
5368 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
5369 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5370 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5371 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
5372 | length, LPFC_SLI4_MBX_EMBED); | |
5373 | ||
5374 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
5375 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5376 | LPFC_SLI4_MBX_EMBED); | |
5377 | if (unlikely(rc)) { | |
5378 | rc = -EIO; | |
5379 | goto out_free_mbox; | |
5380 | } | |
5381 | if (!phba->sli4_hba.intr_enable) | |
5382 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5383 | else { | |
a183a15f | 5384 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5385 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5386 | } | |
5387 | if (unlikely(rc)) { | |
5388 | rc = -EIO; | |
5389 | goto out_free_mbox; | |
5390 | } | |
5391 | ||
5392 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
5393 | if (bf_get(lpfc_mbox_hdr_status, | |
5394 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
5395 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5396 | "2919 Failed to release resource extents " | |
5397 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
5398 | "Resource memory not released.\n", | |
5399 | type, | |
5400 | bf_get(lpfc_mbox_hdr_status, | |
5401 | &dealloc_rsrc->header.cfg_shdr.response), | |
5402 | bf_get(lpfc_mbox_hdr_add_status, | |
5403 | &dealloc_rsrc->header.cfg_shdr.response)); | |
5404 | rc = -EIO; | |
5405 | goto out_free_mbox; | |
5406 | } | |
5407 | ||
5408 | /* Release kernel memory resources for the specific type. */ | |
5409 | switch (type) { | |
5410 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5411 | kfree(phba->vpi_bmask); | |
5412 | kfree(phba->vpi_ids); | |
5413 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5414 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5415 | &phba->lpfc_vpi_blk_list, list) { | |
5416 | list_del_init(&rsrc_blk->list); | |
5417 | kfree(rsrc_blk); | |
5418 | } | |
5419 | break; | |
5420 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5421 | kfree(phba->sli4_hba.xri_bmask); | |
5422 | kfree(phba->sli4_hba.xri_ids); | |
5423 | bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5424 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5425 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
5426 | list_del_init(&rsrc_blk->list); | |
5427 | kfree(rsrc_blk); | |
5428 | } | |
5429 | break; | |
5430 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5431 | kfree(phba->sli4_hba.vfi_bmask); | |
5432 | kfree(phba->sli4_hba.vfi_ids); | |
5433 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5434 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5435 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
5436 | list_del_init(&rsrc_blk->list); | |
5437 | kfree(rsrc_blk); | |
5438 | } | |
5439 | break; | |
5440 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5441 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
5442 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5443 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
5444 | list_del_init(&rsrc_blk->list); | |
5445 | kfree(rsrc_blk); | |
5446 | } | |
5447 | break; | |
5448 | default: | |
5449 | break; | |
5450 | } | |
5451 | ||
5452 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5453 | ||
5454 | out_free_mbox: | |
5455 | mempool_free(mbox, phba->mbox_mem_pool); | |
5456 | return rc; | |
5457 | } | |
5458 | ||
5459 | /** | |
5460 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
5461 | * @phba: Pointer to HBA context object. | |
5462 | * | |
5463 | * This function allocates all SLI4 resource identifiers. | |
5464 | **/ | |
5465 | int | |
5466 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
5467 | { | |
5468 | int i, rc, error = 0; | |
5469 | uint16_t count, base; | |
5470 | unsigned long longs; | |
5471 | ||
ff78d8f9 JS |
5472 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5473 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
5474 | if (phba->sli4_hba.extents_in_use) { |
5475 | /* | |
5476 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
5477 | * resource extent count must be read and allocated before | |
5478 | * provisioning the resource id arrays. | |
5479 | */ | |
5480 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
5481 | LPFC_IDX_RSRC_RDY) { | |
5482 | /* | |
5483 | * Extent-based resources are set - the driver could | |
5484 | * be in a port reset. Figure out if any corrective | |
5485 | * actions need to be taken. | |
5486 | */ | |
5487 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5488 | LPFC_RSC_TYPE_FCOE_VFI); | |
5489 | if (rc != 0) | |
5490 | error++; | |
5491 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5492 | LPFC_RSC_TYPE_FCOE_VPI); | |
5493 | if (rc != 0) | |
5494 | error++; | |
5495 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5496 | LPFC_RSC_TYPE_FCOE_XRI); | |
5497 | if (rc != 0) | |
5498 | error++; | |
5499 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5500 | LPFC_RSC_TYPE_FCOE_RPI); | |
5501 | if (rc != 0) | |
5502 | error++; | |
5503 | ||
5504 | /* | |
5505 | * It's possible that the number of resources | |
5506 | * provided to this port instance changed between | |
5507 | * resets. Detect this condition and reallocate | |
5508 | * resources. Otherwise, there is no action. | |
5509 | */ | |
5510 | if (error) { | |
5511 | lpfc_printf_log(phba, KERN_INFO, | |
5512 | LOG_MBOX | LOG_INIT, | |
5513 | "2931 Detected extent resource " | |
5514 | "change. Reallocating all " | |
5515 | "extents.\n"); | |
5516 | rc = lpfc_sli4_dealloc_extent(phba, | |
5517 | LPFC_RSC_TYPE_FCOE_VFI); | |
5518 | rc = lpfc_sli4_dealloc_extent(phba, | |
5519 | LPFC_RSC_TYPE_FCOE_VPI); | |
5520 | rc = lpfc_sli4_dealloc_extent(phba, | |
5521 | LPFC_RSC_TYPE_FCOE_XRI); | |
5522 | rc = lpfc_sli4_dealloc_extent(phba, | |
5523 | LPFC_RSC_TYPE_FCOE_RPI); | |
5524 | } else | |
5525 | return 0; | |
5526 | } | |
5527 | ||
5528 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
5529 | if (unlikely(rc)) | |
5530 | goto err_exit; | |
5531 | ||
5532 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
5533 | if (unlikely(rc)) | |
5534 | goto err_exit; | |
5535 | ||
5536 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
5537 | if (unlikely(rc)) | |
5538 | goto err_exit; | |
5539 | ||
5540 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
5541 | if (unlikely(rc)) | |
5542 | goto err_exit; | |
5543 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
5544 | LPFC_IDX_RSRC_RDY); | |
5545 | return rc; | |
5546 | } else { | |
5547 | /* | |
5548 | * The port does not support resource extents. The XRI, VPI, | |
5549 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
5550 | * Just allocate the bitmasks and provision the resource id | |
5551 | * arrays. If a port reset is active, the resources don't | |
5552 | * need any action - just exit. | |
5553 | */ | |
5554 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
5555 | LPFC_IDX_RSRC_RDY) { |
5556 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
5557 | lpfc_sli4_remove_rpis(phba); | |
5558 | } | |
6d368e53 JS |
5559 | /* RPIs. */ |
5560 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
5561 | base = phba->sli4_hba.max_cfg_param.rpi_base; | |
5562 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5563 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
5564 | sizeof(unsigned long), | |
5565 | GFP_KERNEL); | |
5566 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5567 | rc = -ENOMEM; | |
5568 | goto err_exit; | |
5569 | } | |
5570 | phba->sli4_hba.rpi_ids = kzalloc(count * | |
5571 | sizeof(uint16_t), | |
5572 | GFP_KERNEL); | |
5573 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5574 | rc = -ENOMEM; | |
5575 | goto free_rpi_bmask; | |
5576 | } | |
5577 | ||
5578 | for (i = 0; i < count; i++) | |
5579 | phba->sli4_hba.rpi_ids[i] = base + i; | |
5580 | ||
5581 | /* VPIs. */ | |
5582 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
5583 | base = phba->sli4_hba.max_cfg_param.vpi_base; | |
5584 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5585 | phba->vpi_bmask = kzalloc(longs * | |
5586 | sizeof(unsigned long), | |
5587 | GFP_KERNEL); | |
5588 | if (unlikely(!phba->vpi_bmask)) { | |
5589 | rc = -ENOMEM; | |
5590 | goto free_rpi_ids; | |
5591 | } | |
5592 | phba->vpi_ids = kzalloc(count * | |
5593 | sizeof(uint16_t), | |
5594 | GFP_KERNEL); | |
5595 | if (unlikely(!phba->vpi_ids)) { | |
5596 | rc = -ENOMEM; | |
5597 | goto free_vpi_bmask; | |
5598 | } | |
5599 | ||
5600 | for (i = 0; i < count; i++) | |
5601 | phba->vpi_ids[i] = base + i; | |
5602 | ||
5603 | /* XRIs. */ | |
5604 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
5605 | base = phba->sli4_hba.max_cfg_param.xri_base; | |
5606 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5607 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
5608 | sizeof(unsigned long), | |
5609 | GFP_KERNEL); | |
5610 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5611 | rc = -ENOMEM; | |
5612 | goto free_vpi_ids; | |
5613 | } | |
41899be7 JS |
5614 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
5615 | phba->sli4_hba.xri_count = 0; | |
6d368e53 JS |
5616 | phba->sli4_hba.xri_ids = kzalloc(count * |
5617 | sizeof(uint16_t), | |
5618 | GFP_KERNEL); | |
5619 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5620 | rc = -ENOMEM; | |
5621 | goto free_xri_bmask; | |
5622 | } | |
5623 | ||
5624 | for (i = 0; i < count; i++) | |
5625 | phba->sli4_hba.xri_ids[i] = base + i; | |
5626 | ||
5627 | /* VFIs. */ | |
5628 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
5629 | base = phba->sli4_hba.max_cfg_param.vfi_base; | |
5630 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5631 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
5632 | sizeof(unsigned long), | |
5633 | GFP_KERNEL); | |
5634 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5635 | rc = -ENOMEM; | |
5636 | goto free_xri_ids; | |
5637 | } | |
5638 | phba->sli4_hba.vfi_ids = kzalloc(count * | |
5639 | sizeof(uint16_t), | |
5640 | GFP_KERNEL); | |
5641 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5642 | rc = -ENOMEM; | |
5643 | goto free_vfi_bmask; | |
5644 | } | |
5645 | ||
5646 | for (i = 0; i < count; i++) | |
5647 | phba->sli4_hba.vfi_ids[i] = base + i; | |
5648 | ||
5649 | /* | |
5650 | * Mark all resources ready. An HBA reset doesn't need | |
5651 | * to reset the initialization. | |
5652 | */ | |
5653 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
5654 | LPFC_IDX_RSRC_RDY); | |
5655 | return 0; | |
5656 | } | |
5657 | ||
5658 | free_vfi_bmask: | |
5659 | kfree(phba->sli4_hba.vfi_bmask); | |
5660 | free_xri_ids: | |
5661 | kfree(phba->sli4_hba.xri_ids); | |
5662 | free_xri_bmask: | |
5663 | kfree(phba->sli4_hba.xri_bmask); | |
5664 | free_vpi_ids: | |
5665 | kfree(phba->vpi_ids); | |
5666 | free_vpi_bmask: | |
5667 | kfree(phba->vpi_bmask); | |
5668 | free_rpi_ids: | |
5669 | kfree(phba->sli4_hba.rpi_ids); | |
5670 | free_rpi_bmask: | |
5671 | kfree(phba->sli4_hba.rpi_bmask); | |
5672 | err_exit: | |
5673 | return rc; | |
5674 | } | |
5675 | ||
5676 | /** | |
5677 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
5678 | * @phba: Pointer to HBA context object. | |
5679 | * | |
5680 | * This function allocates the number of elements for the specified | |
5681 | * resource type. | |
5682 | **/ | |
5683 | int | |
5684 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
5685 | { | |
5686 | if (phba->sli4_hba.extents_in_use) { | |
5687 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
5688 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
5689 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
5690 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
5691 | } else { | |
5692 | kfree(phba->vpi_bmask); | |
5693 | kfree(phba->vpi_ids); | |
5694 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5695 | kfree(phba->sli4_hba.xri_bmask); | |
5696 | kfree(phba->sli4_hba.xri_ids); | |
5697 | bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5698 | kfree(phba->sli4_hba.vfi_bmask); | |
5699 | kfree(phba->sli4_hba.vfi_ids); | |
5700 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5701 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5702 | } | |
5703 | ||
5704 | return 0; | |
5705 | } | |
5706 | ||
b76f2dc9 JS |
5707 | /** |
5708 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
5709 | * @phba: Pointer to HBA context object. | |
5710 | * @type: The resource extent type. | |
5711 | * @extnt_count: buffer to hold port extent count response | |
5712 | * @extnt_size: buffer to hold port extent size response. | |
5713 | * | |
5714 | * This function calls the port to read the host allocated extents | |
5715 | * for a particular type. | |
5716 | **/ | |
5717 | int | |
5718 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
5719 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
5720 | { | |
5721 | bool emb; | |
5722 | int rc = 0; | |
5723 | uint16_t curr_blks = 0; | |
5724 | uint32_t req_len, emb_len; | |
5725 | uint32_t alloc_len, mbox_tmo; | |
5726 | struct list_head *blk_list_head; | |
5727 | struct lpfc_rsrc_blks *rsrc_blk; | |
5728 | LPFC_MBOXQ_t *mbox; | |
5729 | void *virtaddr = NULL; | |
5730 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5731 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5732 | union lpfc_sli4_cfg_shdr *shdr; | |
5733 | ||
5734 | switch (type) { | |
5735 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5736 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
5737 | break; | |
5738 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5739 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
5740 | break; | |
5741 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5742 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5743 | break; | |
5744 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5745 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5746 | break; | |
5747 | default: | |
5748 | return -EIO; | |
5749 | } | |
5750 | ||
5751 | /* Count the number of extents currently allocatd for this type. */ | |
5752 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
5753 | if (curr_blks == 0) { | |
5754 | /* | |
5755 | * The GET_ALLOCATED mailbox does not return the size, | |
5756 | * just the count. The size should be just the size | |
5757 | * stored in the current allocated block and all sizes | |
5758 | * for an extent type are the same so set the return | |
5759 | * value now. | |
5760 | */ | |
5761 | *extnt_size = rsrc_blk->rsrc_size; | |
5762 | } | |
5763 | curr_blks++; | |
5764 | } | |
5765 | ||
5766 | /* Calculate the total requested length of the dma memory. */ | |
5767 | req_len = curr_blks * sizeof(uint16_t); | |
5768 | ||
5769 | /* | |
5770 | * Calculate the size of an embedded mailbox. The uint32_t | |
5771 | * accounts for extents-specific word. | |
5772 | */ | |
5773 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5774 | sizeof(uint32_t); | |
5775 | ||
5776 | /* | |
5777 | * Presume the allocation and response will fit into an embedded | |
5778 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5779 | */ | |
5780 | emb = LPFC_SLI4_MBX_EMBED; | |
5781 | req_len = emb_len; | |
5782 | if (req_len > emb_len) { | |
5783 | req_len = curr_blks * sizeof(uint16_t) + | |
5784 | sizeof(union lpfc_sli4_cfg_shdr) + | |
5785 | sizeof(uint32_t); | |
5786 | emb = LPFC_SLI4_MBX_NEMBED; | |
5787 | } | |
5788 | ||
5789 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5790 | if (!mbox) | |
5791 | return -ENOMEM; | |
5792 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
5793 | ||
5794 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5795 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
5796 | req_len, emb); | |
5797 | if (alloc_len < req_len) { | |
5798 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5799 | "2983 Allocated DMA memory size (x%x) is " | |
5800 | "less than the requested DMA memory " | |
5801 | "size (x%x)\n", alloc_len, req_len); | |
5802 | rc = -ENOMEM; | |
5803 | goto err_exit; | |
5804 | } | |
5805 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
5806 | if (unlikely(rc)) { | |
5807 | rc = -EIO; | |
5808 | goto err_exit; | |
5809 | } | |
5810 | ||
5811 | if (!phba->sli4_hba.intr_enable) | |
5812 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5813 | else { | |
a183a15f | 5814 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
5815 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5816 | } | |
5817 | ||
5818 | if (unlikely(rc)) { | |
5819 | rc = -EIO; | |
5820 | goto err_exit; | |
5821 | } | |
5822 | ||
5823 | /* | |
5824 | * Figure out where the response is located. Then get local pointers | |
5825 | * to the response data. The port does not guarantee to respond to | |
5826 | * all extents counts request so update the local variable with the | |
5827 | * allocated count from the port. | |
5828 | */ | |
5829 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5830 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5831 | shdr = &rsrc_ext->header.cfg_shdr; | |
5832 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5833 | } else { | |
5834 | virtaddr = mbox->sge_array->addr[0]; | |
5835 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5836 | shdr = &n_rsrc->cfg_shdr; | |
5837 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5838 | } | |
5839 | ||
5840 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
5841 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5842 | "2984 Failed to read allocated resources " | |
5843 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
5844 | type, | |
5845 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
5846 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
5847 | rc = -EIO; | |
5848 | goto err_exit; | |
5849 | } | |
5850 | err_exit: | |
5851 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
5852 | return rc; | |
5853 | } | |
5854 | ||
da0436e9 JS |
5855 | /** |
5856 | * lpfc_sli4_hba_setup - SLI4 device intialization PCI function | |
5857 | * @phba: Pointer to HBA context object. | |
5858 | * | |
5859 | * This function is the main SLI4 device intialization PCI function. This | |
5860 | * function is called by the HBA intialization code, HBA reset code and | |
5861 | * HBA error attention handler code. Caller is not required to hold any | |
5862 | * locks. | |
5863 | **/ | |
5864 | int | |
5865 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
5866 | { | |
5867 | int rc; | |
5868 | LPFC_MBOXQ_t *mboxq; | |
5869 | struct lpfc_mqe *mqe; | |
5870 | uint8_t *vpd; | |
5871 | uint32_t vpd_size; | |
5872 | uint32_t ftr_rsp = 0; | |
5873 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
5874 | struct lpfc_vport *vport = phba->pport; | |
5875 | struct lpfc_dmabuf *mp; | |
5876 | ||
5877 | /* Perform a PCI function reset to start from clean */ | |
5878 | rc = lpfc_pci_function_reset(phba); | |
5879 | if (unlikely(rc)) | |
5880 | return -ENODEV; | |
5881 | ||
5882 | /* Check the HBA Host Status Register for readyness */ | |
5883 | rc = lpfc_sli4_post_status_check(phba); | |
5884 | if (unlikely(rc)) | |
5885 | return -ENODEV; | |
5886 | else { | |
5887 | spin_lock_irq(&phba->hbalock); | |
5888 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
5889 | spin_unlock_irq(&phba->hbalock); | |
5890 | } | |
5891 | ||
5892 | /* | |
5893 | * Allocate a single mailbox container for initializing the | |
5894 | * port. | |
5895 | */ | |
5896 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5897 | if (!mboxq) | |
5898 | return -ENOMEM; | |
5899 | ||
da0436e9 | 5900 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 5901 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
5902 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
5903 | if (!vpd) { | |
5904 | rc = -ENOMEM; | |
5905 | goto out_free_mbox; | |
5906 | } | |
5907 | ||
5908 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
5909 | if (unlikely(rc)) { |
5910 | kfree(vpd); | |
5911 | goto out_free_mbox; | |
5912 | } | |
da0436e9 | 5913 | mqe = &mboxq->u.mqe; |
f1126688 JS |
5914 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
5915 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) | |
76a95d75 JS |
5916 | phba->hba_flag |= HBA_FCOE_MODE; |
5917 | else | |
5918 | phba->hba_flag &= ~HBA_FCOE_MODE; | |
45ed1190 JS |
5919 | |
5920 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
5921 | LPFC_DCBX_CEE_MODE) | |
5922 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
5923 | else | |
5924 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
5925 | ||
c31098ce | 5926 | if (phba->sli_rev != LPFC_SLI_REV4) { |
da0436e9 JS |
5927 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
5928 | "0376 READ_REV Error. SLI Level %d " | |
5929 | "FCoE enabled %d\n", | |
76a95d75 | 5930 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 5931 | rc = -EIO; |
76a95d75 JS |
5932 | kfree(vpd); |
5933 | goto out_free_mbox; | |
da0436e9 | 5934 | } |
cd1c8301 | 5935 | |
ff78d8f9 JS |
5936 | /* |
5937 | * Continue initialization with default values even if driver failed | |
5938 | * to read FCoE param config regions, only read parameters if the | |
5939 | * board is FCoE | |
5940 | */ | |
5941 | if (phba->hba_flag & HBA_FCOE_MODE && | |
5942 | lpfc_sli4_read_fcoe_params(phba)) | |
5943 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
5944 | "2570 Failed to read FCoE parameters\n"); | |
5945 | ||
cd1c8301 JS |
5946 | /* |
5947 | * Retrieve sli4 device physical port name, failure of doing it | |
5948 | * is considered as non-fatal. | |
5949 | */ | |
5950 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
5951 | if (!rc) | |
5952 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5953 | "3080 Successful retrieving SLI4 device " | |
5954 | "physical port name: %s.\n", phba->Port); | |
5955 | ||
da0436e9 JS |
5956 | /* |
5957 | * Evaluate the read rev and vpd data. Populate the driver | |
5958 | * state with the results. If this routine fails, the failure | |
5959 | * is not fatal as the driver will use generic values. | |
5960 | */ | |
5961 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
5962 | if (unlikely(!rc)) { | |
5963 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
5964 | "0377 Error %d parsing vpd. " | |
5965 | "Using defaults.\n", rc); | |
5966 | rc = 0; | |
5967 | } | |
76a95d75 | 5968 | kfree(vpd); |
da0436e9 | 5969 | |
f1126688 JS |
5970 | /* Save information as VPD data */ |
5971 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
5972 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
5973 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; | |
5974 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
5975 | &mqe->un.read_rev); | |
5976 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
5977 | &mqe->un.read_rev); | |
5978 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
5979 | &mqe->un.read_rev); | |
5980 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
5981 | &mqe->un.read_rev); | |
5982 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
5983 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
5984 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
5985 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
5986 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
5987 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
5988 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5989 | "(%d):0380 READ_REV Status x%x " | |
5990 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
5991 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5992 | bf_get(lpfc_mqe_status, mqe), | |
5993 | phba->vpd.rev.opFwName, | |
5994 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
5995 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 JS |
5996 | |
5997 | /* | |
5998 | * Discover the port's supported feature set and match it against the | |
5999 | * hosts requests. | |
6000 | */ | |
6001 | lpfc_request_features(phba, mboxq); | |
6002 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6003 | if (unlikely(rc)) { | |
6004 | rc = -EIO; | |
76a95d75 | 6005 | goto out_free_mbox; |
da0436e9 JS |
6006 | } |
6007 | ||
6008 | /* | |
6009 | * The port must support FCP initiator mode as this is the | |
6010 | * only mode running in the host. | |
6011 | */ | |
6012 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
6013 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6014 | "0378 No support for fcpi mode.\n"); | |
6015 | ftr_rsp++; | |
6016 | } | |
fedd3b7b JS |
6017 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) |
6018 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
6019 | else | |
6020 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
da0436e9 JS |
6021 | /* |
6022 | * If the port cannot support the host's requested features | |
6023 | * then turn off the global config parameters to disable the | |
6024 | * feature in the driver. This is not a fatal error. | |
6025 | */ | |
bf08611b JS |
6026 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; |
6027 | if (phba->cfg_enable_bg) { | |
6028 | if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)) | |
6029 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; | |
6030 | else | |
6031 | ftr_rsp++; | |
6032 | } | |
da0436e9 JS |
6033 | |
6034 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
6035 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6036 | ftr_rsp++; | |
6037 | ||
6038 | if (ftr_rsp) { | |
6039 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6040 | "0379 Feature Mismatch Data: x%08x %08x " | |
6041 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
6042 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
6043 | phba->cfg_enable_npiv, phba->max_vpi); | |
6044 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
6045 | phba->cfg_enable_bg = 0; | |
6046 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6047 | phba->cfg_enable_npiv = 0; | |
6048 | } | |
6049 | ||
6050 | /* These SLI3 features are assumed in SLI4 */ | |
6051 | spin_lock_irq(&phba->hbalock); | |
6052 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
6053 | spin_unlock_irq(&phba->hbalock); | |
6054 | ||
6d368e53 JS |
6055 | /* |
6056 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
6057 | * calls depends on these resources to complete port setup. | |
6058 | */ | |
6059 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
6060 | if (rc) { | |
6061 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6062 | "2920 Failed to alloc Resource IDs " | |
6063 | "rc = x%x\n", rc); | |
6064 | goto out_free_mbox; | |
6065 | } | |
ff78d8f9 JS |
6066 | /* update physical xri mappings in the scsi buffers */ |
6067 | lpfc_scsi_buf_update(phba); | |
6d368e53 | 6068 | |
da0436e9 | 6069 | /* Read the port's service parameters. */ |
9f1177a3 JS |
6070 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
6071 | if (rc) { | |
6072 | phba->link_state = LPFC_HBA_ERROR; | |
6073 | rc = -ENOMEM; | |
76a95d75 | 6074 | goto out_free_mbox; |
9f1177a3 JS |
6075 | } |
6076 | ||
da0436e9 JS |
6077 | mboxq->vport = vport; |
6078 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6079 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
6080 | if (rc == MBX_SUCCESS) { | |
6081 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
6082 | rc = 0; | |
6083 | } | |
6084 | ||
6085 | /* | |
6086 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
6087 | * it to the mbuf pool. | |
6088 | */ | |
6089 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
6090 | kfree(mp); | |
6091 | mboxq->context1 = NULL; | |
6092 | if (unlikely(rc)) { | |
6093 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6094 | "0382 READ_SPARAM command failed " | |
6095 | "status %d, mbxStatus x%x\n", | |
6096 | rc, bf_get(lpfc_mqe_status, mqe)); | |
6097 | phba->link_state = LPFC_HBA_ERROR; | |
6098 | rc = -EIO; | |
76a95d75 | 6099 | goto out_free_mbox; |
da0436e9 JS |
6100 | } |
6101 | ||
0558056c | 6102 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
6103 | |
6104 | /* Update the fc_host data structures with new wwn. */ | |
6105 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
6106 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
6107 | ||
6108 | /* Register SGL pool to the device using non-embedded mailbox command */ | |
6d368e53 JS |
6109 | if (!phba->sli4_hba.extents_in_use) { |
6110 | rc = lpfc_sli4_post_els_sgl_list(phba); | |
6111 | if (unlikely(rc)) { | |
6112 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6113 | "0582 Error %d during els sgl post " | |
6114 | "operation\n", rc); | |
6115 | rc = -ENODEV; | |
6116 | goto out_free_mbox; | |
6117 | } | |
6118 | } else { | |
6119 | rc = lpfc_sli4_post_els_sgl_list_ext(phba); | |
6120 | if (unlikely(rc)) { | |
6121 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6122 | "2560 Error %d during els sgl post " | |
6123 | "operation\n", rc); | |
6124 | rc = -ENODEV; | |
6125 | goto out_free_mbox; | |
6126 | } | |
da0436e9 JS |
6127 | } |
6128 | ||
6129 | /* Register SCSI SGL pool to the device */ | |
6130 | rc = lpfc_sli4_repost_scsi_sgl_list(phba); | |
6131 | if (unlikely(rc)) { | |
6d368e53 | 6132 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6a9c52cf JS |
6133 | "0383 Error %d during scsi sgl post " |
6134 | "operation\n", rc); | |
da0436e9 JS |
6135 | /* Some Scsi buffers were moved to the abort scsi list */ |
6136 | /* A pci function reset will repost them */ | |
6137 | rc = -ENODEV; | |
76a95d75 | 6138 | goto out_free_mbox; |
da0436e9 JS |
6139 | } |
6140 | ||
6141 | /* Post the rpi header region to the device. */ | |
6142 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
6143 | if (unlikely(rc)) { | |
6144 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6145 | "0393 Error %d during rpi post operation\n", | |
6146 | rc); | |
6147 | rc = -ENODEV; | |
76a95d75 | 6148 | goto out_free_mbox; |
da0436e9 | 6149 | } |
97f2ecf1 | 6150 | lpfc_sli4_node_prep(phba); |
da0436e9 | 6151 | |
5350d872 JS |
6152 | /* Create all the SLI4 queues */ |
6153 | rc = lpfc_sli4_queue_create(phba); | |
6154 | if (rc) { | |
6155 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6156 | "3089 Failed to allocate queues\n"); | |
6157 | rc = -ENODEV; | |
6158 | goto out_stop_timers; | |
6159 | } | |
da0436e9 JS |
6160 | /* Set up all the queues to the device */ |
6161 | rc = lpfc_sli4_queue_setup(phba); | |
6162 | if (unlikely(rc)) { | |
6163 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6164 | "0381 Error %d during queue setup.\n ", rc); | |
5350d872 | 6165 | goto out_destroy_queue; |
da0436e9 JS |
6166 | } |
6167 | ||
6168 | /* Arm the CQs and then EQs on device */ | |
6169 | lpfc_sli4_arm_cqeq_intr(phba); | |
6170 | ||
6171 | /* Indicate device interrupt mode */ | |
6172 | phba->sli4_hba.intr_enable = 1; | |
6173 | ||
6174 | /* Allow asynchronous mailbox command to go through */ | |
6175 | spin_lock_irq(&phba->hbalock); | |
6176 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
6177 | spin_unlock_irq(&phba->hbalock); | |
6178 | ||
6179 | /* Post receive buffers to the device */ | |
6180 | lpfc_sli4_rb_setup(phba); | |
6181 | ||
fc2b989b JS |
6182 | /* Reset HBA FCF states after HBA reset */ |
6183 | phba->fcf.fcf_flag = 0; | |
6184 | phba->fcf.current_rec.flag = 0; | |
6185 | ||
da0436e9 | 6186 | /* Start the ELS watchdog timer */ |
8fa38513 JS |
6187 | mod_timer(&vport->els_tmofunc, |
6188 | jiffies + HZ * (phba->fc_ratov * 2)); | |
da0436e9 JS |
6189 | |
6190 | /* Start heart beat timer */ | |
6191 | mod_timer(&phba->hb_tmofunc, | |
6192 | jiffies + HZ * LPFC_HB_MBOX_INTERVAL); | |
6193 | phba->hb_outstanding = 0; | |
6194 | phba->last_completion_time = jiffies; | |
6195 | ||
6196 | /* Start error attention (ERATT) polling timer */ | |
6197 | mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL); | |
6198 | ||
75baf696 JS |
6199 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
6200 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
6201 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
6202 | if (!rc) { | |
6203 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6204 | "2829 This device supports " | |
6205 | "Advanced Error Reporting (AER)\n"); | |
6206 | spin_lock_irq(&phba->hbalock); | |
6207 | phba->hba_flag |= HBA_AER_ENABLED; | |
6208 | spin_unlock_irq(&phba->hbalock); | |
6209 | } else { | |
6210 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6211 | "2830 This device does not support " | |
6212 | "Advanced Error Reporting (AER)\n"); | |
6213 | phba->cfg_aer_support = 0; | |
6214 | } | |
0a96e975 | 6215 | rc = 0; |
75baf696 JS |
6216 | } |
6217 | ||
76a95d75 JS |
6218 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
6219 | /* | |
6220 | * The FC Port needs to register FCFI (index 0) | |
6221 | */ | |
6222 | lpfc_reg_fcfi(phba, mboxq); | |
6223 | mboxq->vport = phba->pport; | |
6224 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
9589b062 | 6225 | if (rc != MBX_SUCCESS) |
76a95d75 | 6226 | goto out_unset_queue; |
9589b062 JS |
6227 | rc = 0; |
6228 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
6229 | &mboxq->u.mqe.un.reg_fcfi); | |
026abb87 JS |
6230 | |
6231 | /* Check if the port is configured to be disabled */ | |
6232 | lpfc_sli_read_link_ste(phba); | |
76a95d75 | 6233 | } |
026abb87 | 6234 | |
da0436e9 JS |
6235 | /* |
6236 | * The port is ready, set the host's link state to LINK_DOWN | |
6237 | * in preparation for link interrupts. | |
6238 | */ | |
da0436e9 JS |
6239 | spin_lock_irq(&phba->hbalock); |
6240 | phba->link_state = LPFC_LINK_DOWN; | |
6241 | spin_unlock_irq(&phba->hbalock); | |
026abb87 JS |
6242 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
6243 | (phba->hba_flag & LINK_DISABLED)) { | |
6244 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
6245 | "3103 Adapter Link is disabled.\n"); | |
6246 | lpfc_down_link(phba, mboxq); | |
6247 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6248 | if (rc != MBX_SUCCESS) { | |
6249 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
6250 | "3104 Adapter failed to issue " | |
6251 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
6252 | goto out_unset_queue; | |
6253 | } | |
6254 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
6255 | /* don't perform init_link on SLI4 FC port loopback test */ |
6256 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
6257 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
6258 | if (rc) | |
6259 | goto out_unset_queue; | |
6260 | } | |
5350d872 JS |
6261 | } |
6262 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6263 | return rc; | |
76a95d75 | 6264 | out_unset_queue: |
da0436e9 | 6265 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
6266 | lpfc_sli4_queue_unset(phba); |
6267 | out_destroy_queue: | |
6268 | lpfc_sli4_queue_destroy(phba); | |
da0436e9 | 6269 | out_stop_timers: |
5350d872 | 6270 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
6271 | out_free_mbox: |
6272 | mempool_free(mboxq, phba->mbox_mem_pool); | |
6273 | return rc; | |
6274 | } | |
6275 | ||
6276 | /** | |
6277 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
6278 | * @ptr: context object - pointer to hba structure. | |
6279 | * | |
6280 | * This is the callback function for mailbox timer. The mailbox | |
6281 | * timer is armed when a new mailbox command is issued and the timer | |
6282 | * is deleted when the mailbox complete. The function is called by | |
6283 | * the kernel timer code when a mailbox does not complete within | |
6284 | * expected time. This function wakes up the worker thread to | |
6285 | * process the mailbox timeout and returns. All the processing is | |
6286 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
6287 | **/ | |
6288 | void | |
6289 | lpfc_mbox_timeout(unsigned long ptr) | |
6290 | { | |
6291 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; | |
6292 | unsigned long iflag; | |
6293 | uint32_t tmo_posted; | |
6294 | ||
6295 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
6296 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
6297 | if (!tmo_posted) | |
6298 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
6299 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
6300 | ||
6301 | if (!tmo_posted) | |
6302 | lpfc_worker_wake_up(phba); | |
6303 | return; | |
6304 | } | |
6305 | ||
6306 | ||
6307 | /** | |
6308 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
6309 | * @phba: Pointer to HBA context object. | |
6310 | * | |
6311 | * This function is called from worker thread when a mailbox command times out. | |
6312 | * The caller is not required to hold any locks. This function will reset the | |
6313 | * HBA and recover all the pending commands. | |
6314 | **/ | |
6315 | void | |
6316 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
6317 | { | |
6318 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
04c68496 | 6319 | MAILBOX_t *mb = &pmbox->u.mb; |
da0436e9 JS |
6320 | struct lpfc_sli *psli = &phba->sli; |
6321 | struct lpfc_sli_ring *pring; | |
6322 | ||
6323 | /* Check the pmbox pointer first. There is a race condition | |
6324 | * between the mbox timeout handler getting executed in the | |
6325 | * worklist and the mailbox actually completing. When this | |
6326 | * race condition occurs, the mbox_active will be NULL. | |
6327 | */ | |
6328 | spin_lock_irq(&phba->hbalock); | |
6329 | if (pmbox == NULL) { | |
6330 | lpfc_printf_log(phba, KERN_WARNING, | |
6331 | LOG_MBOX | LOG_SLI, | |
6332 | "0353 Active Mailbox cleared - mailbox timeout " | |
6333 | "exiting\n"); | |
6334 | spin_unlock_irq(&phba->hbalock); | |
6335 | return; | |
6336 | } | |
6337 | ||
6338 | /* Mbox cmd <mbxCommand> timeout */ | |
6339 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6340 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", | |
6341 | mb->mbxCommand, | |
6342 | phba->pport->port_state, | |
6343 | phba->sli.sli_flag, | |
6344 | phba->sli.mbox_active); | |
6345 | spin_unlock_irq(&phba->hbalock); | |
6346 | ||
6347 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
6348 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 6349 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
6350 | */ |
6351 | spin_lock_irq(&phba->pport->work_port_lock); | |
6352 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
6353 | spin_unlock_irq(&phba->pport->work_port_lock); | |
6354 | spin_lock_irq(&phba->hbalock); | |
6355 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 6356 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
6357 | spin_unlock_irq(&phba->hbalock); |
6358 | ||
6359 | pring = &psli->ring[psli->fcp_ring]; | |
6360 | lpfc_sli_abort_iocb_ring(phba, pring); | |
6361 | ||
6362 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6363 | "0345 Resetting board due to mailbox timeout\n"); | |
6364 | ||
6365 | /* Reset the HBA device */ | |
6366 | lpfc_reset_hba(phba); | |
6367 | } | |
6368 | ||
6369 | /** | |
6370 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
6371 | * @phba: Pointer to HBA context object. | |
6372 | * @pmbox: Pointer to mailbox object. | |
6373 | * @flag: Flag indicating how the mailbox need to be processed. | |
6374 | * | |
6375 | * This function is called by discovery code and HBA management code | |
6376 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
6377 | * function gets the hbalock to protect the data structures. | |
6378 | * The mailbox command can be submitted in polling mode, in which case | |
6379 | * this function will wait in a polling loop for the completion of the | |
6380 | * mailbox. | |
6381 | * If the mailbox is submitted in no_wait mode (not polling) the | |
6382 | * function will submit the command and returns immediately without waiting | |
6383 | * for the mailbox completion. The no_wait is supported only when HBA | |
6384 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
6385 | * The SLI interface allows only one mailbox pending at a time. If the | |
6386 | * mailbox is issued in polling mode and there is already a mailbox | |
6387 | * pending, then the function will return an error. If the mailbox is issued | |
6388 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
6389 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
6390 | * The sli layer owns the mailbox object until the completion of mailbox | |
6391 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
6392 | * return codes the caller owns the mailbox command after the return of | |
6393 | * the function. | |
e59058c4 | 6394 | **/ |
3772a991 JS |
6395 | static int |
6396 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
6397 | uint32_t flag) | |
dea3101e | 6398 | { |
dea3101e | 6399 | MAILBOX_t *mb; |
2e0fef85 | 6400 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 6401 | uint32_t status, evtctr; |
9940b97b | 6402 | uint32_t ha_copy, hc_copy; |
dea3101e | 6403 | int i; |
09372820 | 6404 | unsigned long timeout; |
dea3101e | 6405 | unsigned long drvr_flag = 0; |
34b02dcd | 6406 | uint32_t word0, ldata; |
dea3101e | 6407 | void __iomem *to_slim; |
58da1ffb JS |
6408 | int processing_queue = 0; |
6409 | ||
6410 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
6411 | if (!pmbox) { | |
8568a4d2 | 6412 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 6413 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
6414 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
6415 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
6416 | return MBX_SUCCESS; | |
6417 | } | |
58da1ffb | 6418 | processing_queue = 1; |
58da1ffb JS |
6419 | pmbox = lpfc_mbox_get(phba); |
6420 | if (!pmbox) { | |
6421 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
6422 | return MBX_SUCCESS; | |
6423 | } | |
6424 | } | |
dea3101e | 6425 | |
ed957684 | 6426 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 6427 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 6428 | if(!pmbox->vport) { |
58da1ffb | 6429 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 6430 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 6431 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 6432 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 6433 | pmbox->u.mb.mbxCommand); |
ed957684 | 6434 | dump_stack(); |
58da1ffb | 6435 | goto out_not_finished; |
ed957684 JS |
6436 | } |
6437 | } | |
6438 | ||
8d63f375 | 6439 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
6440 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
6441 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
6442 | goto out_not_finished; | |
6443 | } | |
8d63f375 | 6444 | |
a257bf90 JS |
6445 | /* If HBA has a deferred error attention, fail the iocb. */ |
6446 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
6447 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
6448 | goto out_not_finished; | |
6449 | } | |
6450 | ||
dea3101e | 6451 | psli = &phba->sli; |
92d7f7b0 | 6452 | |
3772a991 | 6453 | mb = &pmbox->u.mb; |
dea3101e JB |
6454 | status = MBX_SUCCESS; |
6455 | ||
2e0fef85 JS |
6456 | if (phba->link_state == LPFC_HBA_ERROR) { |
6457 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
6458 | |
6459 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
6460 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6461 | "(%d):0311 Mailbox command x%x cannot " | |
6462 | "issue Data: x%x x%x\n", | |
6463 | pmbox->vport ? pmbox->vport->vpi : 0, | |
6464 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 6465 | goto out_not_finished; |
41415862 JW |
6466 | } |
6467 | ||
9940b97b JS |
6468 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
6469 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || | |
6470 | !(hc_copy & HC_MBINT_ENA)) { | |
6471 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
6472 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3772a991 JS |
6473 | "(%d):2528 Mailbox command x%x cannot " |
6474 | "issue Data: x%x x%x\n", | |
6475 | pmbox->vport ? pmbox->vport->vpi : 0, | |
6476 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
6477 | goto out_not_finished; |
6478 | } | |
9290831f JS |
6479 | } |
6480 | ||
dea3101e JB |
6481 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
6482 | /* Polling for a mbox command when another one is already active | |
6483 | * is not allowed in SLI. Also, the driver must have established | |
6484 | * SLI2 mode to queue and process multiple mbox commands. | |
6485 | */ | |
6486 | ||
6487 | if (flag & MBX_POLL) { | |
2e0fef85 | 6488 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
6489 | |
6490 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
6491 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6492 | "(%d):2529 Mailbox command x%x " | |
6493 | "cannot issue Data: x%x x%x\n", | |
6494 | pmbox->vport ? pmbox->vport->vpi : 0, | |
6495 | pmbox->u.mb.mbxCommand, | |
6496 | psli->sli_flag, flag); | |
58da1ffb | 6497 | goto out_not_finished; |
dea3101e JB |
6498 | } |
6499 | ||
3772a991 | 6500 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 6501 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 6502 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
6503 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6504 | "(%d):2530 Mailbox command x%x " | |
6505 | "cannot issue Data: x%x x%x\n", | |
6506 | pmbox->vport ? pmbox->vport->vpi : 0, | |
6507 | pmbox->u.mb.mbxCommand, | |
6508 | psli->sli_flag, flag); | |
58da1ffb | 6509 | goto out_not_finished; |
dea3101e JB |
6510 | } |
6511 | ||
dea3101e JB |
6512 | /* Another mailbox command is still being processed, queue this |
6513 | * command to be processed later. | |
6514 | */ | |
6515 | lpfc_mbox_put(phba, pmbox); | |
6516 | ||
6517 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 6518 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 6519 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 6520 | "x%x x%x x%x x%x\n", |
92d7f7b0 JS |
6521 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
6522 | mb->mbxCommand, phba->pport->port_state, | |
6523 | psli->sli_flag, flag); | |
dea3101e JB |
6524 | |
6525 | psli->slistat.mbox_busy++; | |
2e0fef85 | 6526 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 6527 | |
858c9f6c JS |
6528 | if (pmbox->vport) { |
6529 | lpfc_debugfs_disc_trc(pmbox->vport, | |
6530 | LPFC_DISC_TRC_MBOX_VPORT, | |
6531 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
6532 | (uint32_t)mb->mbxCommand, | |
6533 | mb->un.varWords[0], mb->un.varWords[1]); | |
6534 | } | |
6535 | else { | |
6536 | lpfc_debugfs_disc_trc(phba->pport, | |
6537 | LPFC_DISC_TRC_MBOX, | |
6538 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
6539 | (uint32_t)mb->mbxCommand, | |
6540 | mb->un.varWords[0], mb->un.varWords[1]); | |
6541 | } | |
6542 | ||
2e0fef85 | 6543 | return MBX_BUSY; |
dea3101e JB |
6544 | } |
6545 | ||
dea3101e JB |
6546 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
6547 | ||
6548 | /* If we are not polling, we MUST be in SLI2 mode */ | |
6549 | if (flag != MBX_POLL) { | |
3772a991 | 6550 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
41415862 | 6551 | (mb->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 6552 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 6553 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 6554 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
6555 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6556 | "(%d):2531 Mailbox command x%x " | |
6557 | "cannot issue Data: x%x x%x\n", | |
6558 | pmbox->vport ? pmbox->vport->vpi : 0, | |
6559 | pmbox->u.mb.mbxCommand, | |
6560 | psli->sli_flag, flag); | |
58da1ffb | 6561 | goto out_not_finished; |
dea3101e JB |
6562 | } |
6563 | /* timeout active mbox command */ | |
a309a6b6 | 6564 | mod_timer(&psli->mbox_tmo, (jiffies + |
a183a15f | 6565 | (HZ * lpfc_mbox_tmo_val(phba, pmbox)))); |
dea3101e JB |
6566 | } |
6567 | ||
6568 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 6569 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 6570 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 6571 | "x%x\n", |
e8b62011 | 6572 | pmbox->vport ? pmbox->vport->vpi : 0, |
92d7f7b0 JS |
6573 | mb->mbxCommand, phba->pport->port_state, |
6574 | psli->sli_flag, flag); | |
dea3101e | 6575 | |
858c9f6c JS |
6576 | if (mb->mbxCommand != MBX_HEARTBEAT) { |
6577 | if (pmbox->vport) { | |
6578 | lpfc_debugfs_disc_trc(pmbox->vport, | |
6579 | LPFC_DISC_TRC_MBOX_VPORT, | |
6580 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
6581 | (uint32_t)mb->mbxCommand, | |
6582 | mb->un.varWords[0], mb->un.varWords[1]); | |
6583 | } | |
6584 | else { | |
6585 | lpfc_debugfs_disc_trc(phba->pport, | |
6586 | LPFC_DISC_TRC_MBOX, | |
6587 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
6588 | (uint32_t)mb->mbxCommand, | |
6589 | mb->un.varWords[0], mb->un.varWords[1]); | |
6590 | } | |
6591 | } | |
6592 | ||
dea3101e JB |
6593 | psli->slistat.mbox_cmd++; |
6594 | evtctr = psli->slistat.mbox_event; | |
6595 | ||
6596 | /* next set own bit for the adapter and copy over command word */ | |
6597 | mb->mbxOwner = OWN_CHIP; | |
6598 | ||
3772a991 | 6599 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
6600 | /* Populate mbox extension offset word. */ |
6601 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
6602 | *(((uint32_t *)mb) + pmbox->mbox_offset_word) | |
6603 | = (uint8_t *)phba->mbox_ext | |
6604 | - (uint8_t *)phba->mbox; | |
6605 | } | |
6606 | ||
6607 | /* Copy the mailbox extension data */ | |
6608 | if (pmbox->in_ext_byte_len && pmbox->context2) { | |
6609 | lpfc_sli_pcimem_bcopy(pmbox->context2, | |
6610 | (uint8_t *)phba->mbox_ext, | |
6611 | pmbox->in_ext_byte_len); | |
6612 | } | |
6613 | /* Copy command data to host SLIM area */ | |
34b02dcd | 6614 | lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 6615 | } else { |
7a470277 JS |
6616 | /* Populate mbox extension offset word. */ |
6617 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
6618 | *(((uint32_t *)mb) + pmbox->mbox_offset_word) | |
6619 | = MAILBOX_HBA_EXT_OFFSET; | |
6620 | ||
6621 | /* Copy the mailbox extension data */ | |
6622 | if (pmbox->in_ext_byte_len && pmbox->context2) { | |
6623 | lpfc_memcpy_to_slim(phba->MBslimaddr + | |
6624 | MAILBOX_HBA_EXT_OFFSET, | |
6625 | pmbox->context2, pmbox->in_ext_byte_len); | |
6626 | ||
6627 | } | |
9290831f | 6628 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 6629 | /* copy command data into host mbox for cmpl */ |
34b02dcd | 6630 | lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e JB |
6631 | } |
6632 | ||
6633 | /* First copy mbox command data to HBA SLIM, skip past first | |
6634 | word */ | |
6635 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
6636 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], | |
6637 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); | |
6638 | ||
6639 | /* Next copy over first word, with mbxOwner set */ | |
34b02dcd | 6640 | ldata = *((uint32_t *)mb); |
dea3101e JB |
6641 | to_slim = phba->MBslimaddr; |
6642 | writel(ldata, to_slim); | |
6643 | readl(to_slim); /* flush */ | |
6644 | ||
6645 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
6646 | /* switch over to host mailbox */ | |
3772a991 | 6647 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e JB |
6648 | } |
6649 | } | |
6650 | ||
6651 | wmb(); | |
dea3101e JB |
6652 | |
6653 | switch (flag) { | |
6654 | case MBX_NOWAIT: | |
09372820 | 6655 | /* Set up reference to mailbox command */ |
dea3101e | 6656 | psli->mbox_active = pmbox; |
09372820 JS |
6657 | /* Interrupt board to do it */ |
6658 | writel(CA_MBATT, phba->CAregaddr); | |
6659 | readl(phba->CAregaddr); /* flush */ | |
6660 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
6661 | break; |
6662 | ||
6663 | case MBX_POLL: | |
09372820 | 6664 | /* Set up null reference to mailbox command */ |
dea3101e | 6665 | psli->mbox_active = NULL; |
09372820 JS |
6666 | /* Interrupt board to do it */ |
6667 | writel(CA_MBATT, phba->CAregaddr); | |
6668 | readl(phba->CAregaddr); /* flush */ | |
6669 | ||
3772a991 | 6670 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 6671 | /* First read mbox status word */ |
34b02dcd | 6672 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
6673 | word0 = le32_to_cpu(word0); |
6674 | } else { | |
6675 | /* First read mbox status word */ | |
9940b97b JS |
6676 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
6677 | spin_unlock_irqrestore(&phba->hbalock, | |
6678 | drvr_flag); | |
6679 | goto out_not_finished; | |
6680 | } | |
dea3101e JB |
6681 | } |
6682 | ||
6683 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
6684 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
6685 | spin_unlock_irqrestore(&phba->hbalock, | |
6686 | drvr_flag); | |
6687 | goto out_not_finished; | |
6688 | } | |
a183a15f JS |
6689 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
6690 | 1000) + jiffies; | |
09372820 | 6691 | i = 0; |
dea3101e | 6692 | /* Wait for command to complete */ |
41415862 JW |
6693 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
6694 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 6695 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 6696 | if (time_after(jiffies, timeout)) { |
dea3101e | 6697 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 6698 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 6699 | drvr_flag); |
58da1ffb | 6700 | goto out_not_finished; |
dea3101e JB |
6701 | } |
6702 | ||
6703 | /* Check if we took a mbox interrupt while we were | |
6704 | polling */ | |
6705 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
6706 | && (evtctr != psli->slistat.mbox_event)) | |
6707 | break; | |
6708 | ||
09372820 JS |
6709 | if (i++ > 10) { |
6710 | spin_unlock_irqrestore(&phba->hbalock, | |
6711 | drvr_flag); | |
6712 | msleep(1); | |
6713 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
6714 | } | |
dea3101e | 6715 | |
3772a991 | 6716 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 6717 | /* First copy command data */ |
34b02dcd | 6718 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
6719 | word0 = le32_to_cpu(word0); |
6720 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
6721 | MAILBOX_t *slimmb; | |
34b02dcd | 6722 | uint32_t slimword0; |
dea3101e JB |
6723 | /* Check real SLIM for any errors */ |
6724 | slimword0 = readl(phba->MBslimaddr); | |
6725 | slimmb = (MAILBOX_t *) & slimword0; | |
6726 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
6727 | && slimmb->mbxStatus) { | |
6728 | psli->sli_flag &= | |
3772a991 | 6729 | ~LPFC_SLI_ACTIVE; |
dea3101e JB |
6730 | word0 = slimword0; |
6731 | } | |
6732 | } | |
6733 | } else { | |
6734 | /* First copy command data */ | |
6735 | word0 = readl(phba->MBslimaddr); | |
6736 | } | |
6737 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
6738 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
6739 | spin_unlock_irqrestore(&phba->hbalock, | |
6740 | drvr_flag); | |
6741 | goto out_not_finished; | |
6742 | } | |
dea3101e JB |
6743 | } |
6744 | ||
3772a991 | 6745 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 6746 | /* copy results back to user */ |
34b02dcd | 6747 | lpfc_sli_pcimem_bcopy(phba->mbox, mb, MAILBOX_CMD_SIZE); |
7a470277 JS |
6748 | /* Copy the mailbox extension data */ |
6749 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
6750 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, | |
6751 | pmbox->context2, | |
6752 | pmbox->out_ext_byte_len); | |
6753 | } | |
dea3101e JB |
6754 | } else { |
6755 | /* First copy command data */ | |
6756 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, | |
6757 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
6758 | /* Copy the mailbox extension data */ |
6759 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
6760 | lpfc_memcpy_from_slim(pmbox->context2, | |
6761 | phba->MBslimaddr + | |
6762 | MAILBOX_HBA_EXT_OFFSET, | |
6763 | pmbox->out_ext_byte_len); | |
dea3101e JB |
6764 | } |
6765 | } | |
6766 | ||
6767 | writel(HA_MBATT, phba->HAregaddr); | |
6768 | readl(phba->HAregaddr); /* flush */ | |
6769 | ||
6770 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
6771 | status = mb->mbxStatus; | |
6772 | } | |
6773 | ||
2e0fef85 JS |
6774 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
6775 | return status; | |
58da1ffb JS |
6776 | |
6777 | out_not_finished: | |
6778 | if (processing_queue) { | |
da0436e9 | 6779 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
6780 | lpfc_mbox_cmpl_put(phba, pmbox); |
6781 | } | |
6782 | return MBX_NOT_FINISHED; | |
dea3101e JB |
6783 | } |
6784 | ||
f1126688 JS |
6785 | /** |
6786 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
6787 | * @phba: Pointer to HBA context object. | |
6788 | * | |
6789 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
6790 | * the driver internal pending mailbox queue. It will then try to wait out the | |
6791 | * possible outstanding mailbox command before return. | |
6792 | * | |
6793 | * Returns: | |
6794 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
6795 | * the outstanding mailbox command timed out. | |
6796 | **/ | |
6797 | static int | |
6798 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
6799 | { | |
6800 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 6801 | int rc = 0; |
a183a15f | 6802 | unsigned long timeout = 0; |
f1126688 JS |
6803 | |
6804 | /* Mark the asynchronous mailbox command posting as blocked */ | |
6805 | spin_lock_irq(&phba->hbalock); | |
6806 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
6807 | /* Determine how long we might wait for the active mailbox |
6808 | * command to be gracefully completed by firmware. | |
6809 | */ | |
a183a15f JS |
6810 | if (phba->sli.mbox_active) |
6811 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
6812 | phba->sli.mbox_active) * | |
6813 | 1000) + jiffies; | |
6814 | spin_unlock_irq(&phba->hbalock); | |
6815 | ||
f1126688 JS |
6816 | /* Wait for the outstnading mailbox command to complete */ |
6817 | while (phba->sli.mbox_active) { | |
6818 | /* Check active mailbox complete status every 2ms */ | |
6819 | msleep(2); | |
6820 | if (time_after(jiffies, timeout)) { | |
6821 | /* Timeout, marked the outstanding cmd not complete */ | |
6822 | rc = 1; | |
6823 | break; | |
6824 | } | |
6825 | } | |
6826 | ||
6827 | /* Can not cleanly block async mailbox command, fails it */ | |
6828 | if (rc) { | |
6829 | spin_lock_irq(&phba->hbalock); | |
6830 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
6831 | spin_unlock_irq(&phba->hbalock); | |
6832 | } | |
6833 | return rc; | |
6834 | } | |
6835 | ||
6836 | /** | |
6837 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
6838 | * @phba: Pointer to HBA context object. | |
6839 | * | |
6840 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
6841 | * commands from the driver internal pending mailbox queue. It makes sure | |
6842 | * that there is no outstanding mailbox command before resuming posting | |
6843 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
6844 | * mailbox command, it will try to wait it out before resuming asynchronous | |
6845 | * mailbox command posting. | |
6846 | **/ | |
6847 | static void | |
6848 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
6849 | { | |
6850 | struct lpfc_sli *psli = &phba->sli; | |
6851 | ||
6852 | spin_lock_irq(&phba->hbalock); | |
6853 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
6854 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
6855 | spin_unlock_irq(&phba->hbalock); | |
6856 | return; | |
6857 | } | |
6858 | ||
6859 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
6860 | * successful or timeout, after timing-out the outstanding mailbox | |
6861 | * command shall always be removed, so just unblock posting async | |
6862 | * mailbox command and resume | |
6863 | */ | |
6864 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
6865 | spin_unlock_irq(&phba->hbalock); | |
6866 | ||
6867 | /* wake up worker thread to post asynchronlous mailbox command */ | |
6868 | lpfc_worker_wake_up(phba); | |
6869 | } | |
6870 | ||
da0436e9 JS |
6871 | /** |
6872 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
6873 | * @phba: Pointer to HBA context object. | |
6874 | * @mboxq: Pointer to mailbox object. | |
6875 | * | |
6876 | * The function posts a mailbox to the port. The mailbox is expected | |
6877 | * to be comletely filled in and ready for the port to operate on it. | |
6878 | * This routine executes a synchronous completion operation on the | |
6879 | * mailbox by polling for its completion. | |
6880 | * | |
6881 | * The caller must not be holding any locks when calling this routine. | |
6882 | * | |
6883 | * Returns: | |
6884 | * MBX_SUCCESS - mailbox posted successfully | |
6885 | * Any of the MBX error values. | |
6886 | **/ | |
6887 | static int | |
6888 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
6889 | { | |
6890 | int rc = MBX_SUCCESS; | |
6891 | unsigned long iflag; | |
6892 | uint32_t db_ready; | |
6893 | uint32_t mcqe_status; | |
6894 | uint32_t mbx_cmnd; | |
6895 | unsigned long timeout; | |
6896 | struct lpfc_sli *psli = &phba->sli; | |
6897 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
6898 | struct lpfc_bmbx_create *mbox_rgn; | |
6899 | struct dma_address *dma_address; | |
6900 | struct lpfc_register bmbx_reg; | |
6901 | ||
6902 | /* | |
6903 | * Only one mailbox can be active to the bootstrap mailbox region | |
6904 | * at a time and there is no queueing provided. | |
6905 | */ | |
6906 | spin_lock_irqsave(&phba->hbalock, iflag); | |
6907 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
6908 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
6909 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 6910 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
6911 | "cannot issue Data: x%x x%x\n", |
6912 | mboxq->vport ? mboxq->vport->vpi : 0, | |
6913 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
6914 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
6915 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
6916 | psli->sli_flag, MBX_POLL); |
6917 | return MBXERR_ERROR; | |
6918 | } | |
6919 | /* The server grabs the token and owns it until release */ | |
6920 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
6921 | phba->sli.mbox_active = mboxq; | |
6922 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
6923 | ||
6924 | /* | |
6925 | * Initialize the bootstrap memory region to avoid stale data areas | |
6926 | * in the mailbox post. Then copy the caller's mailbox contents to | |
6927 | * the bmbx mailbox region. | |
6928 | */ | |
6929 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
6930 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
6931 | lpfc_sli_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, | |
6932 | sizeof(struct lpfc_mqe)); | |
6933 | ||
6934 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
6935 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
6936 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
6937 | ||
a183a15f | 6938 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) |
da0436e9 JS |
6939 | * 1000) + jiffies; |
6940 | do { | |
6941 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
6942 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
6943 | if (!db_ready) | |
6944 | msleep(2); | |
6945 | ||
6946 | if (time_after(jiffies, timeout)) { | |
6947 | rc = MBXERR_ERROR; | |
6948 | goto exit; | |
6949 | } | |
6950 | } while (!db_ready); | |
6951 | ||
6952 | /* Post the low mailbox dma address to the port. */ | |
6953 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
a183a15f | 6954 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) |
da0436e9 JS |
6955 | * 1000) + jiffies; |
6956 | do { | |
6957 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
6958 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
6959 | if (!db_ready) | |
6960 | msleep(2); | |
6961 | ||
6962 | if (time_after(jiffies, timeout)) { | |
6963 | rc = MBXERR_ERROR; | |
6964 | goto exit; | |
6965 | } | |
6966 | } while (!db_ready); | |
6967 | ||
6968 | /* | |
6969 | * Read the CQ to ensure the mailbox has completed. | |
6970 | * If so, update the mailbox status so that the upper layers | |
6971 | * can complete the request normally. | |
6972 | */ | |
6973 | lpfc_sli_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, | |
6974 | sizeof(struct lpfc_mqe)); | |
6975 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; | |
6976 | lpfc_sli_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, | |
6977 | sizeof(struct lpfc_mcqe)); | |
6978 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); | |
0558056c JS |
6979 | /* |
6980 | * When the CQE status indicates a failure and the mailbox status | |
6981 | * indicates success then copy the CQE status into the mailbox status | |
6982 | * (and prefix it with x4000). | |
6983 | */ | |
da0436e9 | 6984 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
6985 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
6986 | bf_set(lpfc_mqe_status, mb, | |
6987 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 6988 | rc = MBXERR_ERROR; |
d7c47992 JS |
6989 | } else |
6990 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
6991 | |
6992 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 6993 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
6994 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
6995 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
6996 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
6997 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
6998 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
6999 | bf_get(lpfc_mqe_status, mb), |
7000 | mb->un.mb_words[0], mb->un.mb_words[1], | |
7001 | mb->un.mb_words[2], mb->un.mb_words[3], | |
7002 | mb->un.mb_words[4], mb->un.mb_words[5], | |
7003 | mb->un.mb_words[6], mb->un.mb_words[7], | |
7004 | mb->un.mb_words[8], mb->un.mb_words[9], | |
7005 | mb->un.mb_words[10], mb->un.mb_words[11], | |
7006 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
7007 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
7008 | mboxq->mcqe.trailer); | |
7009 | exit: | |
7010 | /* We are holding the token, no needed for lock when release */ | |
7011 | spin_lock_irqsave(&phba->hbalock, iflag); | |
7012 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
7013 | phba->sli.mbox_active = NULL; | |
7014 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
7015 | return rc; | |
7016 | } | |
7017 | ||
7018 | /** | |
7019 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
7020 | * @phba: Pointer to HBA context object. | |
7021 | * @pmbox: Pointer to mailbox object. | |
7022 | * @flag: Flag indicating how the mailbox need to be processed. | |
7023 | * | |
7024 | * This function is called by discovery code and HBA management code to submit | |
7025 | * a mailbox command to firmware with SLI-4 interface spec. | |
7026 | * | |
7027 | * Return codes the caller owns the mailbox command after the return of the | |
7028 | * function. | |
7029 | **/ | |
7030 | static int | |
7031 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
7032 | uint32_t flag) | |
7033 | { | |
7034 | struct lpfc_sli *psli = &phba->sli; | |
7035 | unsigned long iflags; | |
7036 | int rc; | |
7037 | ||
b76f2dc9 JS |
7038 | /* dump from issue mailbox command if setup */ |
7039 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
7040 | ||
8fa38513 JS |
7041 | rc = lpfc_mbox_dev_check(phba); |
7042 | if (unlikely(rc)) { | |
7043 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 7044 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
7045 | "cannot issue Data: x%x x%x\n", |
7046 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7047 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7048 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7049 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
7050 | psli->sli_flag, flag); |
7051 | goto out_not_finished; | |
7052 | } | |
7053 | ||
da0436e9 JS |
7054 | /* Detect polling mode and jump to a handler */ |
7055 | if (!phba->sli4_hba.intr_enable) { | |
7056 | if (flag == MBX_POLL) | |
7057 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
7058 | else | |
7059 | rc = -EIO; | |
7060 | if (rc != MBX_SUCCESS) | |
0558056c | 7061 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 7062 | "(%d):2541 Mailbox command x%x " |
a183a15f JS |
7063 | "(x%x/x%x) cannot issue Data: " |
7064 | "x%x x%x\n", | |
da0436e9 JS |
7065 | mboxq->vport ? mboxq->vport->vpi : 0, |
7066 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7067 | lpfc_sli_config_mbox_subsys_get(phba, |
7068 | mboxq), | |
7069 | lpfc_sli_config_mbox_opcode_get(phba, | |
7070 | mboxq), | |
da0436e9 JS |
7071 | psli->sli_flag, flag); |
7072 | return rc; | |
7073 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
7074 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
7075 | "(%d):2542 Try to issue mailbox command " | |
a183a15f | 7076 | "x%x (x%x/x%x) synchronously ahead of async" |
f1126688 | 7077 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
7078 | mboxq->vport ? mboxq->vport->vpi : 0, |
7079 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7080 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7081 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 7082 | psli->sli_flag, flag); |
f1126688 JS |
7083 | /* Try to block the asynchronous mailbox posting */ |
7084 | rc = lpfc_sli4_async_mbox_block(phba); | |
7085 | if (!rc) { | |
7086 | /* Successfully blocked, now issue sync mbox cmd */ | |
7087 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
7088 | if (rc != MBX_SUCCESS) | |
7089 | lpfc_printf_log(phba, KERN_ERR, | |
a183a15f JS |
7090 | LOG_MBOX | LOG_SLI, |
7091 | "(%d):2597 Mailbox command " | |
7092 | "x%x (x%x/x%x) cannot issue " | |
7093 | "Data: x%x x%x\n", | |
7094 | mboxq->vport ? | |
7095 | mboxq->vport->vpi : 0, | |
7096 | mboxq->u.mb.mbxCommand, | |
7097 | lpfc_sli_config_mbox_subsys_get(phba, | |
7098 | mboxq), | |
7099 | lpfc_sli_config_mbox_opcode_get(phba, | |
7100 | mboxq), | |
7101 | psli->sli_flag, flag); | |
f1126688 JS |
7102 | /* Unblock the async mailbox posting afterward */ |
7103 | lpfc_sli4_async_mbox_unblock(phba); | |
7104 | } | |
7105 | return rc; | |
da0436e9 JS |
7106 | } |
7107 | ||
7108 | /* Now, interrupt mode asynchrous mailbox command */ | |
7109 | rc = lpfc_mbox_cmd_check(phba, mboxq); | |
7110 | if (rc) { | |
7111 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 7112 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
7113 | "cannot issue Data: x%x x%x\n", |
7114 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7115 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7116 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7117 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7118 | psli->sli_flag, flag); |
7119 | goto out_not_finished; | |
7120 | } | |
da0436e9 JS |
7121 | |
7122 | /* Put the mailbox command to the driver internal FIFO */ | |
7123 | psli->slistat.mbox_busy++; | |
7124 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7125 | lpfc_mbox_put(phba, mboxq); | |
7126 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7127 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7128 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 7129 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
7130 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
7131 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
7132 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7133 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7134 | phba->pport->port_state, |
7135 | psli->sli_flag, MBX_NOWAIT); | |
7136 | /* Wake up worker thread to transport mailbox command from head */ | |
7137 | lpfc_worker_wake_up(phba); | |
7138 | ||
7139 | return MBX_BUSY; | |
7140 | ||
7141 | out_not_finished: | |
7142 | return MBX_NOT_FINISHED; | |
7143 | } | |
7144 | ||
7145 | /** | |
7146 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
7147 | * @phba: Pointer to HBA context object. | |
7148 | * | |
7149 | * This function is called by worker thread to send a mailbox command to | |
7150 | * SLI4 HBA firmware. | |
7151 | * | |
7152 | **/ | |
7153 | int | |
7154 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
7155 | { | |
7156 | struct lpfc_sli *psli = &phba->sli; | |
7157 | LPFC_MBOXQ_t *mboxq; | |
7158 | int rc = MBX_SUCCESS; | |
7159 | unsigned long iflags; | |
7160 | struct lpfc_mqe *mqe; | |
7161 | uint32_t mbx_cmnd; | |
7162 | ||
7163 | /* Check interrupt mode before post async mailbox command */ | |
7164 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
7165 | return MBX_NOT_FINISHED; | |
7166 | ||
7167 | /* Check for mailbox command service token */ | |
7168 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7169 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
7170 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7171 | return MBX_NOT_FINISHED; | |
7172 | } | |
7173 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
7174 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7175 | return MBX_NOT_FINISHED; | |
7176 | } | |
7177 | if (unlikely(phba->sli.mbox_active)) { | |
7178 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7179 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7180 | "0384 There is pending active mailbox cmd\n"); | |
7181 | return MBX_NOT_FINISHED; | |
7182 | } | |
7183 | /* Take the mailbox command service token */ | |
7184 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
7185 | ||
7186 | /* Get the next mailbox command from head of queue */ | |
7187 | mboxq = lpfc_mbox_get(phba); | |
7188 | ||
7189 | /* If no more mailbox command waiting for post, we're done */ | |
7190 | if (!mboxq) { | |
7191 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
7192 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7193 | return MBX_SUCCESS; | |
7194 | } | |
7195 | phba->sli.mbox_active = mboxq; | |
7196 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7197 | ||
7198 | /* Check device readiness for posting mailbox command */ | |
7199 | rc = lpfc_mbox_dev_check(phba); | |
7200 | if (unlikely(rc)) | |
7201 | /* Driver clean routine will clean up pending mailbox */ | |
7202 | goto out_not_finished; | |
7203 | ||
7204 | /* Prepare the mbox command to be posted */ | |
7205 | mqe = &mboxq->u.mqe; | |
7206 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
7207 | ||
7208 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
7209 | mod_timer(&psli->mbox_tmo, (jiffies + | |
a183a15f | 7210 | (HZ * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
7211 | |
7212 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 7213 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
7214 | "x%x x%x\n", |
7215 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
7216 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7217 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7218 | phba->pport->port_state, psli->sli_flag); |
7219 | ||
7220 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
7221 | if (mboxq->vport) { | |
7222 | lpfc_debugfs_disc_trc(mboxq->vport, | |
7223 | LPFC_DISC_TRC_MBOX_VPORT, | |
7224 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
7225 | mbx_cmnd, mqe->un.mb_words[0], | |
7226 | mqe->un.mb_words[1]); | |
7227 | } else { | |
7228 | lpfc_debugfs_disc_trc(phba->pport, | |
7229 | LPFC_DISC_TRC_MBOX, | |
7230 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
7231 | mbx_cmnd, mqe->un.mb_words[0], | |
7232 | mqe->un.mb_words[1]); | |
7233 | } | |
7234 | } | |
7235 | psli->slistat.mbox_cmd++; | |
7236 | ||
7237 | /* Post the mailbox command to the port */ | |
7238 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
7239 | if (rc != MBX_SUCCESS) { | |
7240 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 7241 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
7242 | "cannot issue Data: x%x x%x\n", |
7243 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7244 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7245 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7246 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7247 | psli->sli_flag, MBX_NOWAIT); |
7248 | goto out_not_finished; | |
7249 | } | |
7250 | ||
7251 | return rc; | |
7252 | ||
7253 | out_not_finished: | |
7254 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7255 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
7256 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
7257 | /* Release the token */ | |
7258 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
7259 | phba->sli.mbox_active = NULL; | |
7260 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
7261 | ||
7262 | return MBX_NOT_FINISHED; | |
7263 | } | |
7264 | ||
7265 | /** | |
7266 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
7267 | * @phba: Pointer to HBA context object. | |
7268 | * @pmbox: Pointer to mailbox object. | |
7269 | * @flag: Flag indicating how the mailbox need to be processed. | |
7270 | * | |
7271 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
7272 | * the API jump table function pointer from the lpfc_hba struct. | |
7273 | * | |
7274 | * Return codes the caller owns the mailbox command after the return of the | |
7275 | * function. | |
7276 | **/ | |
7277 | int | |
7278 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
7279 | { | |
7280 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
7281 | } | |
7282 | ||
7283 | /** | |
25985edc | 7284 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
7285 | * @phba: The hba struct for which this call is being executed. |
7286 | * @dev_grp: The HBA PCI-Device group number. | |
7287 | * | |
7288 | * This routine sets up the mbox interface API function jump table in @phba | |
7289 | * struct. | |
7290 | * Returns: 0 - success, -ENODEV - failure. | |
7291 | **/ | |
7292 | int | |
7293 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
7294 | { | |
7295 | ||
7296 | switch (dev_grp) { | |
7297 | case LPFC_PCI_DEV_LP: | |
7298 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
7299 | phba->lpfc_sli_handle_slow_ring_event = | |
7300 | lpfc_sli_handle_slow_ring_event_s3; | |
7301 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
7302 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
7303 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
7304 | break; | |
7305 | case LPFC_PCI_DEV_OC: | |
7306 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
7307 | phba->lpfc_sli_handle_slow_ring_event = | |
7308 | lpfc_sli_handle_slow_ring_event_s4; | |
7309 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
7310 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
7311 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
7312 | break; | |
7313 | default: | |
7314 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7315 | "1420 Invalid HBA PCI-device group: 0x%x\n", | |
7316 | dev_grp); | |
7317 | return -ENODEV; | |
7318 | break; | |
7319 | } | |
7320 | return 0; | |
7321 | } | |
7322 | ||
e59058c4 | 7323 | /** |
3621a710 | 7324 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
7325 | * @phba: Pointer to HBA context object. |
7326 | * @pring: Pointer to driver SLI ring object. | |
7327 | * @piocb: Pointer to address of newly added command iocb. | |
7328 | * | |
7329 | * This function is called with hbalock held to add a command | |
7330 | * iocb to the txq when SLI layer cannot submit the command iocb | |
7331 | * to the ring. | |
7332 | **/ | |
2a9bf3d0 | 7333 | void |
92d7f7b0 | 7334 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 7335 | struct lpfc_iocbq *piocb) |
dea3101e JB |
7336 | { |
7337 | /* Insert the caller's iocb in the txq tail for later processing. */ | |
7338 | list_add_tail(&piocb->list, &pring->txq); | |
7339 | pring->txq_cnt++; | |
dea3101e JB |
7340 | } |
7341 | ||
e59058c4 | 7342 | /** |
3621a710 | 7343 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
7344 | * @phba: Pointer to HBA context object. |
7345 | * @pring: Pointer to driver SLI ring object. | |
7346 | * @piocb: Pointer to address of newly added command iocb. | |
7347 | * | |
7348 | * This function is called with hbalock held before a new | |
7349 | * iocb is submitted to the firmware. This function checks | |
7350 | * txq to flush the iocbs in txq to Firmware before | |
7351 | * submitting new iocbs to the Firmware. | |
7352 | * If there are iocbs in the txq which need to be submitted | |
7353 | * to firmware, lpfc_sli_next_iocb returns the first element | |
7354 | * of the txq after dequeuing it from txq. | |
7355 | * If there is no iocb in the txq then the function will return | |
7356 | * *piocb and *piocb is set to NULL. Caller needs to check | |
7357 | * *piocb to find if there are more commands in the txq. | |
7358 | **/ | |
dea3101e JB |
7359 | static struct lpfc_iocbq * |
7360 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 7361 | struct lpfc_iocbq **piocb) |
dea3101e JB |
7362 | { |
7363 | struct lpfc_iocbq * nextiocb; | |
7364 | ||
7365 | nextiocb = lpfc_sli_ringtx_get(phba, pring); | |
7366 | if (!nextiocb) { | |
7367 | nextiocb = *piocb; | |
7368 | *piocb = NULL; | |
7369 | } | |
7370 | ||
7371 | return nextiocb; | |
7372 | } | |
7373 | ||
e59058c4 | 7374 | /** |
3772a991 | 7375 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 7376 | * @phba: Pointer to HBA context object. |
3772a991 | 7377 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
7378 | * @piocb: Pointer to command iocb. |
7379 | * @flag: Flag indicating if this command can be put into txq. | |
7380 | * | |
3772a991 JS |
7381 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
7382 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
7383 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
7384 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
7385 | * this function allows only iocbs for posting buffers. This function finds | |
7386 | * next available slot in the command ring and posts the command to the | |
7387 | * available slot and writes the port attention register to request HBA start | |
7388 | * processing new iocb. If there is no slot available in the ring and | |
7389 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
7390 | * the function returns IOCB_BUSY. | |
e59058c4 | 7391 | * |
3772a991 JS |
7392 | * This function is called with hbalock held. The function will return success |
7393 | * after it successfully submit the iocb to firmware or after adding to the | |
7394 | * txq. | |
e59058c4 | 7395 | **/ |
98c9ea5c | 7396 | static int |
3772a991 | 7397 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e JB |
7398 | struct lpfc_iocbq *piocb, uint32_t flag) |
7399 | { | |
7400 | struct lpfc_iocbq *nextiocb; | |
7401 | IOCB_t *iocb; | |
3772a991 | 7402 | struct lpfc_sli_ring *pring = &phba->sli.ring[ring_number]; |
dea3101e | 7403 | |
92d7f7b0 JS |
7404 | if (piocb->iocb_cmpl && (!piocb->vport) && |
7405 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
7406 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
7407 | lpfc_printf_log(phba, KERN_ERR, | |
7408 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 7409 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
7410 | piocb->iocb.ulpCommand); |
7411 | dump_stack(); | |
7412 | return IOCB_ERROR; | |
7413 | } | |
7414 | ||
7415 | ||
8d63f375 LV |
7416 | /* If the PCI channel is in offline state, do not post iocbs. */ |
7417 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
7418 | return IOCB_ERROR; | |
7419 | ||
a257bf90 JS |
7420 | /* If HBA has a deferred error attention, fail the iocb. */ |
7421 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
7422 | return IOCB_ERROR; | |
7423 | ||
dea3101e JB |
7424 | /* |
7425 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
7426 | */ | |
2e0fef85 | 7427 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
7428 | return IOCB_ERROR; |
7429 | ||
7430 | /* | |
7431 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 7432 | * outstanding event. |
dea3101e | 7433 | */ |
0b727fea | 7434 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
7435 | goto iocb_busy; |
7436 | ||
2e0fef85 | 7437 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 7438 | /* |
2680eeaa | 7439 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
7440 | * can be issued if the link is not up. |
7441 | */ | |
7442 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
7443 | case CMD_GEN_REQUEST64_CR: |
7444 | case CMD_GEN_REQUEST64_CX: | |
7445 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
7446 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 7447 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
7448 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
7449 | MENLO_TRANSPORT_TYPE)) | |
7450 | ||
7451 | goto iocb_busy; | |
7452 | break; | |
dea3101e JB |
7453 | case CMD_QUE_RING_BUF_CN: |
7454 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
7455 | /* |
7456 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
7457 | * completion, iocb_cmpl MUST be 0. | |
7458 | */ | |
7459 | if (piocb->iocb_cmpl) | |
7460 | piocb->iocb_cmpl = NULL; | |
7461 | /*FALLTHROUGH*/ | |
7462 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
7463 | case CMD_CLOSE_XRI_CN: |
7464 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
7465 | break; |
7466 | default: | |
7467 | goto iocb_busy; | |
7468 | } | |
7469 | ||
7470 | /* | |
7471 | * For FCP commands, we must be in a state where we can process link | |
7472 | * attention events. | |
7473 | */ | |
7474 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && | |
92d7f7b0 | 7475 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 7476 | goto iocb_busy; |
92d7f7b0 | 7477 | } |
dea3101e | 7478 | |
dea3101e JB |
7479 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
7480 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
7481 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
7482 | ||
7483 | if (iocb) | |
7484 | lpfc_sli_update_ring(phba, pring); | |
7485 | else | |
7486 | lpfc_sli_update_full_ring(phba, pring); | |
7487 | ||
7488 | if (!piocb) | |
7489 | return IOCB_SUCCESS; | |
7490 | ||
7491 | goto out_busy; | |
7492 | ||
7493 | iocb_busy: | |
7494 | pring->stats.iocb_cmd_delay++; | |
7495 | ||
7496 | out_busy: | |
7497 | ||
7498 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 7499 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
7500 | return IOCB_SUCCESS; |
7501 | } | |
7502 | ||
7503 | return IOCB_BUSY; | |
7504 | } | |
7505 | ||
3772a991 | 7506 | /** |
4f774513 JS |
7507 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
7508 | * @phba: Pointer to HBA context object. | |
7509 | * @piocb: Pointer to command iocb. | |
7510 | * @sglq: Pointer to the scatter gather queue object. | |
7511 | * | |
7512 | * This routine converts the bpl or bde that is in the IOCB | |
7513 | * to a sgl list for the sli4 hardware. The physical address | |
7514 | * of the bpl/bde is converted back to a virtual address. | |
7515 | * If the IOCB contains a BPL then the list of BDE's is | |
7516 | * converted to sli4_sge's. If the IOCB contains a single | |
7517 | * BDE then it is converted to a single sli_sge. | |
7518 | * The IOCB is still in cpu endianess so the contents of | |
7519 | * the bpl can be used without byte swapping. | |
7520 | * | |
7521 | * Returns valid XRI = Success, NO_XRI = Failure. | |
7522 | **/ | |
7523 | static uint16_t | |
7524 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
7525 | struct lpfc_sglq *sglq) | |
3772a991 | 7526 | { |
4f774513 JS |
7527 | uint16_t xritag = NO_XRI; |
7528 | struct ulp_bde64 *bpl = NULL; | |
7529 | struct ulp_bde64 bde; | |
7530 | struct sli4_sge *sgl = NULL; | |
1b51197d | 7531 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
7532 | IOCB_t *icmd; |
7533 | int numBdes = 0; | |
7534 | int i = 0; | |
63e801ce JS |
7535 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
7536 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 7537 | |
4f774513 JS |
7538 | if (!piocbq || !sglq) |
7539 | return xritag; | |
7540 | ||
7541 | sgl = (struct sli4_sge *)sglq->sgl; | |
7542 | icmd = &piocbq->iocb; | |
6b5151fd JS |
7543 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
7544 | return sglq->sli4_xritag; | |
4f774513 JS |
7545 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
7546 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
7547 | sizeof(struct ulp_bde64); | |
7548 | /* The addrHigh and addrLow fields within the IOCB | |
7549 | * have not been byteswapped yet so there is no | |
7550 | * need to swap them back. | |
7551 | */ | |
1b51197d JS |
7552 | if (piocbq->context3) |
7553 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
7554 | else | |
7555 | return xritag; | |
4f774513 | 7556 | |
1b51197d | 7557 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
7558 | if (!bpl) |
7559 | return xritag; | |
7560 | ||
7561 | for (i = 0; i < numBdes; i++) { | |
7562 | /* Should already be byte swapped. */ | |
28baac74 JS |
7563 | sgl->addr_hi = bpl->addrHigh; |
7564 | sgl->addr_lo = bpl->addrLow; | |
7565 | ||
0558056c | 7566 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
7567 | if ((i+1) == numBdes) |
7568 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
7569 | else | |
7570 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
7571 | /* swap the size field back to the cpu so we |
7572 | * can assign it to the sgl. | |
7573 | */ | |
7574 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
7575 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
7576 | /* The offsets in the sgl need to be accumulated |
7577 | * separately for the request and reply lists. | |
7578 | * The request is always first, the reply follows. | |
7579 | */ | |
7580 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
7581 | /* add up the reply sg entries */ | |
7582 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
7583 | inbound++; | |
7584 | /* first inbound? reset the offset */ | |
7585 | if (inbound == 1) | |
7586 | offset = 0; | |
7587 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
7588 | bf_set(lpfc_sli4_sge_type, sgl, |
7589 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
7590 | offset += bde.tus.f.bdeSize; |
7591 | } | |
546fc854 | 7592 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
7593 | bpl++; |
7594 | sgl++; | |
7595 | } | |
7596 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
7597 | /* The addrHigh and addrLow fields of the BDE have not | |
7598 | * been byteswapped yet so they need to be swapped | |
7599 | * before putting them in the sgl. | |
7600 | */ | |
7601 | sgl->addr_hi = | |
7602 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
7603 | sgl->addr_lo = | |
7604 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 7605 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
7606 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
7607 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
7608 | sgl->sge_len = |
7609 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
7610 | } |
7611 | return sglq->sli4_xritag; | |
3772a991 | 7612 | } |
92d7f7b0 | 7613 | |
e59058c4 | 7614 | /** |
4f774513 | 7615 | * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution |
e59058c4 | 7616 | * @phba: Pointer to HBA context object. |
e59058c4 | 7617 | * |
a93ff37a | 7618 | * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index |
8fa38513 JS |
7619 | * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock |
7620 | * held. | |
4f774513 JS |
7621 | * |
7622 | * Return: index into SLI4 fast-path FCP queue index. | |
e59058c4 | 7623 | **/ |
4f774513 | 7624 | static uint32_t |
8fa38513 | 7625 | lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba) |
92d7f7b0 | 7626 | { |
8fa38513 JS |
7627 | ++phba->fcp_qidx; |
7628 | if (phba->fcp_qidx >= phba->cfg_fcp_wq_count) | |
7629 | phba->fcp_qidx = 0; | |
92d7f7b0 | 7630 | |
8fa38513 | 7631 | return phba->fcp_qidx; |
92d7f7b0 JS |
7632 | } |
7633 | ||
e59058c4 | 7634 | /** |
4f774513 | 7635 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 7636 | * @phba: Pointer to HBA context object. |
4f774513 JS |
7637 | * @piocb: Pointer to command iocb. |
7638 | * @wqe: Pointer to the work queue entry. | |
e59058c4 | 7639 | * |
4f774513 JS |
7640 | * This routine converts the iocb command to its Work Queue Entry |
7641 | * equivalent. The wqe pointer should not have any fields set when | |
7642 | * this routine is called because it will memcpy over them. | |
7643 | * This routine does not set the CQ_ID or the WQEC bits in the | |
7644 | * wqe. | |
e59058c4 | 7645 | * |
4f774513 | 7646 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 7647 | **/ |
cf5bf97e | 7648 | static int |
4f774513 JS |
7649 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
7650 | union lpfc_wqe *wqe) | |
cf5bf97e | 7651 | { |
5ffc266e | 7652 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
7653 | uint8_t ct = 0; |
7654 | uint32_t fip; | |
7655 | uint32_t abort_tag; | |
7656 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
7657 | uint8_t cmnd; | |
7658 | uint16_t xritag; | |
dcf2a4e0 JS |
7659 | uint16_t abrt_iotag; |
7660 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 7661 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 7662 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
7663 | int numBdes, i; |
7664 | struct ulp_bde64 bde; | |
c31098ce | 7665 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 7666 | uint32_t *pcmd; |
1b51197d | 7667 | uint32_t if_type; |
4f774513 | 7668 | |
45ed1190 | 7669 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 7670 | /* The fcp commands will set command type */ |
0c287589 | 7671 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 7672 | command_type = FCP_COMMAND; |
c868595d | 7673 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
7674 | command_type = ELS_COMMAND_FIP; |
7675 | else | |
7676 | command_type = ELS_COMMAND_NON_FIP; | |
7677 | ||
4f774513 JS |
7678 | /* Some of the fields are in the right position already */ |
7679 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
7680 | abort_tag = (uint32_t) iocbq->iotag; | |
7681 | xritag = iocbq->sli4_xritag; | |
f0d9bccc | 7682 | wqe->generic.wqe_com.word7 = 0; /* The ct field has moved so reset */ |
4f774513 JS |
7683 | /* words0-2 bpl convert bde */ |
7684 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
7685 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
7686 | sizeof(struct ulp_bde64); | |
4f774513 JS |
7687 | bpl = (struct ulp_bde64 *) |
7688 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
7689 | if (!bpl) | |
7690 | return IOCB_ERROR; | |
cf5bf97e | 7691 | |
4f774513 JS |
7692 | /* Should already be byte swapped. */ |
7693 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
7694 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
7695 | /* swap the size field back to the cpu so we | |
7696 | * can assign it to the sgl. | |
7697 | */ | |
7698 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
7699 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
7700 | total_len = 0; | |
7701 | for (i = 0; i < numBdes; i++) { | |
7702 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
7703 | total_len += bde.tus.f.bdeSize; | |
7704 | } | |
4f774513 | 7705 | } else |
5ffc266e | 7706 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 7707 | |
4f774513 JS |
7708 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
7709 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 7710 | |
4f774513 JS |
7711 | switch (iocbq->iocb.ulpCommand) { |
7712 | case CMD_ELS_REQUEST64_CR: | |
c31098ce | 7713 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 JS |
7714 | if (!iocbq->iocb.ulpLe) { |
7715 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7716 | "2007 Only Limited Edition cmd Format" | |
7717 | " supported 0x%x\n", | |
7718 | iocbq->iocb.ulpCommand); | |
7719 | return IOCB_ERROR; | |
7720 | } | |
ff78d8f9 | 7721 | |
5ffc266e | 7722 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
7723 | /* Els_reguest64 has a TMO */ |
7724 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
7725 | iocbq->iocb.ulpTimeout); | |
7726 | /* Need a VF for word 4 set the vf bit*/ | |
7727 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
7728 | /* And a VFID for word 12 */ | |
7729 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 7730 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
7731 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
7732 | iocbq->iocb.ulpContext); | |
7733 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
7734 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 7735 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 7736 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
7737 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
7738 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
7739 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
7740 | iocbq->context2)->virt); | |
1b51197d JS |
7741 | if_type = bf_get(lpfc_sli_intf_if_type, |
7742 | &phba->sli4_hba.sli_intf); | |
7743 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
ff78d8f9 | 7744 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 7745 | *pcmd == ELS_CMD_SCR || |
6b5151fd | 7746 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 7747 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
7748 | *pcmd == ELS_CMD_PLOGI)) { |
7749 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
7750 | bf_set(els_req64_sid, &wqe->els_req, | |
7751 | iocbq->vport->fc_myDID); | |
7752 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); | |
7753 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
7754 | phba->vpi_ids[phba->pport->vpi]); | |
3ef6d24c | 7755 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
7756 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
7757 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
7758 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
7759 | } | |
c868595d | 7760 | } |
6d368e53 JS |
7761 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
7762 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
7763 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
7764 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
7765 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
7766 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
7767 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
7768 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
7851fe2c | 7769 | break; |
5ffc266e | 7770 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
7771 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
7772 | iocbq->iocb.un.ulpWord[3]); | |
7773 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 7774 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
7775 | /* The entire sequence is transmitted for this IOCB */ |
7776 | xmit_len = total_len; | |
7777 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
7778 | if (phba->link_flag & LS_LOOPBACK_MODE) |
7779 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
4f774513 | 7780 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
7781 | /* word3 iocb=io_tag32 wqe=reserved */ |
7782 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
7783 | /* word4 relative_offset memcpy */ |
7784 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
7785 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
7786 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
7787 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
7788 | LPFC_WQE_IOD_WRITE); | |
7789 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
7790 | LPFC_WQE_LENLOC_WORD12); | |
7791 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
7792 | wqe->xmit_sequence.xmit_len = xmit_len; |
7793 | command_type = OTHER_COMMAND; | |
7851fe2c | 7794 | break; |
4f774513 | 7795 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
7796 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
7797 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
7798 | /* word4 iocb=rsvd wqe=rsvd */ |
7799 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
7800 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 7801 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 7802 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
7803 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
7804 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
7805 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
7806 | LPFC_WQE_LENLOC_WORD3); | |
7807 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 7808 | break; |
4f774513 JS |
7809 | case CMD_FCP_IWRITE64_CR: |
7810 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
7811 | /* word3 iocb=iotag wqe=payload_offset_len */ |
7812 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
7813 | wqe->fcp_iwrite.payload_offset_len = | |
7814 | xmit_len + sizeof(struct fcp_rsp); | |
7815 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ | |
7816 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
7817 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
7818 | iocbq->iocb.ulpFCP2Rcvy); | |
7819 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
7820 | /* Always open the exchange */ | |
7821 | bf_set(wqe_xc, &wqe->fcp_iwrite.wqe_com, 0); | |
f0d9bccc JS |
7822 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
7823 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
7824 | LPFC_WQE_LENLOC_WORD4); | |
7825 | bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0); | |
7826 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); | |
acd6859b JS |
7827 | if (iocbq->iocb_flag & LPFC_IO_DIF) { |
7828 | iocbq->iocb_flag &= ~LPFC_IO_DIF; | |
7829 | bf_set(wqe_dif, &wqe->generic.wqe_com, 1); | |
7830 | } | |
7831 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); | |
7851fe2c | 7832 | break; |
4f774513 | 7833 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
7834 | /* word3 iocb=iotag wqe=payload_offset_len */ |
7835 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
7836 | wqe->fcp_iread.payload_offset_len = | |
5ffc266e | 7837 | xmit_len + sizeof(struct fcp_rsp); |
f0d9bccc JS |
7838 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
7839 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
7840 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
7841 | iocbq->iocb.ulpFCP2Rcvy); | |
7842 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 JS |
7843 | /* Always open the exchange */ |
7844 | bf_set(wqe_xc, &wqe->fcp_iread.wqe_com, 0); | |
f0d9bccc JS |
7845 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
7846 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
7847 | LPFC_WQE_LENLOC_WORD4); | |
7848 | bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0); | |
7849 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); | |
acd6859b JS |
7850 | if (iocbq->iocb_flag & LPFC_IO_DIF) { |
7851 | iocbq->iocb_flag &= ~LPFC_IO_DIF; | |
7852 | bf_set(wqe_dif, &wqe->generic.wqe_com, 1); | |
7853 | } | |
7854 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); | |
7851fe2c | 7855 | break; |
4f774513 | 7856 | case CMD_FCP_ICMND64_CR: |
f0d9bccc JS |
7857 | /* word3 iocb=IO_TAG wqe=reserved */ |
7858 | wqe->fcp_icmd.rsrvd3 = 0; | |
7859 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); | |
4f774513 | 7860 | /* Always open the exchange */ |
f0d9bccc JS |
7861 | bf_set(wqe_xc, &wqe->fcp_icmd.wqe_com, 0); |
7862 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); | |
7863 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
7864 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
7865 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
7866 | LPFC_WQE_LENLOC_NONE); | |
7867 | bf_set(wqe_ebde_cnt, &wqe->fcp_icmd.wqe_com, 0); | |
7851fe2c | 7868 | break; |
4f774513 | 7869 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
7870 | /* For this command calculate the xmit length of the |
7871 | * request bde. | |
7872 | */ | |
7873 | xmit_len = 0; | |
7874 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
7875 | sizeof(struct ulp_bde64); | |
7876 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 7877 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
7878 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
7879 | break; | |
63e801ce JS |
7880 | xmit_len += bde.tus.f.bdeSize; |
7881 | } | |
f0d9bccc JS |
7882 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
7883 | wqe->gen_req.request_payload_len = xmit_len; | |
7884 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
7885 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
7886 | /* word6 context tag copied in memcpy */ |
7887 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
7888 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
7889 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
7890 | "2015 Invalid CT %x command 0x%x\n", | |
7891 | ct, iocbq->iocb.ulpCommand); | |
7892 | return IOCB_ERROR; | |
7893 | } | |
f0d9bccc JS |
7894 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
7895 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
7896 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
7897 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
7898 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
7899 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
7900 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
7901 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
4f774513 | 7902 | command_type = OTHER_COMMAND; |
7851fe2c | 7903 | break; |
4f774513 | 7904 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 7905 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 7906 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
7907 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
7908 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
4f774513 | 7909 | /* word4 iocb=did wge=rsvd. */ |
f0d9bccc | 7910 | wqe->xmit_els_rsp.rsvd4 = 0; |
4f774513 JS |
7911 | /* word5 iocb=rsvd wge=did */ |
7912 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
7913 | iocbq->iocb.un.elsreq64.remoteID); | |
f0d9bccc JS |
7914 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
7915 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
7916 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
7917 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 7918 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 7919 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 7920 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 7921 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
7922 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
7923 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
7924 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
7925 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
7926 | LPFC_WQE_LENLOC_WORD3); | |
7927 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
7928 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
7929 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
7930 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
7931 | iocbq->context2)->virt); | |
7932 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
7933 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
7934 | bf_set(els_req64_sid, &wqe->els_req, | |
7935 | iocbq->vport->fc_myDID); | |
7936 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); | |
7937 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
7938 | phba->vpi_ids[phba->pport->vpi]); | |
7939 | } | |
4f774513 | 7940 | command_type = OTHER_COMMAND; |
7851fe2c | 7941 | break; |
4f774513 JS |
7942 | case CMD_CLOSE_XRI_CN: |
7943 | case CMD_ABORT_XRI_CN: | |
7944 | case CMD_ABORT_XRI_CX: | |
7945 | /* words 0-2 memcpy should be 0 rserved */ | |
7946 | /* port will send abts */ | |
dcf2a4e0 JS |
7947 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
7948 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
7949 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
7950 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
7951 | } else | |
7952 | fip = 0; | |
7953 | ||
7954 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 7955 | /* |
dcf2a4e0 JS |
7956 | * The link is down, or the command was ELS_FIP |
7957 | * so the fw does not need to send abts | |
4f774513 JS |
7958 | * on the wire. |
7959 | */ | |
7960 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
7961 | else | |
7962 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
7963 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
7964 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
7965 | wqe->abort_cmd.rsrvd5 = 0; | |
7966 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
7967 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
7968 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
7969 | /* |
7970 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
7971 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
7972 | */ | |
f0d9bccc JS |
7973 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
7974 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
7975 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
7976 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
7977 | cmnd = CMD_ABORT_XRI_CX; |
7978 | command_type = OTHER_COMMAND; | |
7979 | xritag = 0; | |
7851fe2c | 7980 | break; |
6669f9bb | 7981 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 7982 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 7983 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
7984 | * we re-construct this WQE here based on information in |
7985 | * iocbq from scratch. | |
7986 | */ | |
7987 | memset(wqe, 0, sizeof(union lpfc_wqe)); | |
5ffc266e | 7988 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 7989 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
7990 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
7991 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
7992 | LPFC_ABTS_UNSOL_INT) { |
7993 | /* ABTS sent by initiator to CT exchange, the | |
7994 | * RX_ID field will be filled with the newly | |
7995 | * allocated responder XRI. | |
7996 | */ | |
7997 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
7998 | iocbq->sli4_xritag); | |
7999 | } else { | |
8000 | /* ABTS sent by responder to CT exchange, the | |
8001 | * RX_ID field will be filled with the responder | |
8002 | * RX_ID from ABTS. | |
8003 | */ | |
8004 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 8005 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 8006 | } |
6669f9bb JS |
8007 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
8008 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
8009 | |
8010 | /* Use CT=VPI */ | |
8011 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
8012 | ndlp->nlp_DID); | |
8013 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
8014 | iocbq->iocb.ulpContext); | |
8015 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 8016 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 8017 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
8018 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
8019 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
8020 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
8021 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
8022 | command_type = OTHER_COMMAND; | |
546fc854 JS |
8023 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
8024 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
8025 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
8026 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
8027 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
8028 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
8029 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
8030 | } | |
8031 | ||
7851fe2c | 8032 | break; |
4f774513 JS |
8033 | case CMD_XRI_ABORTED_CX: |
8034 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
8035 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
8036 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
8037 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
8038 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
8039 | default: | |
8040 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
8041 | "2014 Invalid command 0x%x\n", | |
8042 | iocbq->iocb.ulpCommand); | |
8043 | return IOCB_ERROR; | |
7851fe2c | 8044 | break; |
4f774513 | 8045 | } |
6d368e53 | 8046 | |
f0d9bccc JS |
8047 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
8048 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
8049 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
8050 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
8051 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
8052 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
8053 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
8054 | return 0; |
8055 | } | |
8056 | ||
8057 | /** | |
8058 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
8059 | * @phba: Pointer to HBA context object. | |
8060 | * @ring_number: SLI ring number to issue iocb on. | |
8061 | * @piocb: Pointer to command iocb. | |
8062 | * @flag: Flag indicating if this command can be put into txq. | |
8063 | * | |
8064 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
8065 | * an iocb command to an HBA with SLI-4 interface spec. | |
8066 | * | |
8067 | * This function is called with hbalock held. The function will return success | |
8068 | * after it successfully submit the iocb to firmware or after adding to the | |
8069 | * txq. | |
8070 | **/ | |
8071 | static int | |
8072 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
8073 | struct lpfc_iocbq *piocb, uint32_t flag) | |
8074 | { | |
8075 | struct lpfc_sglq *sglq; | |
4f774513 JS |
8076 | union lpfc_wqe wqe; |
8077 | struct lpfc_sli_ring *pring = &phba->sli.ring[ring_number]; | |
4f774513 JS |
8078 | |
8079 | if (piocb->sli4_xritag == NO_XRI) { | |
8080 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 8081 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
8082 | sglq = NULL; |
8083 | else { | |
2a9bf3d0 JS |
8084 | if (pring->txq_cnt) { |
8085 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
8086 | __lpfc_sli_ringtx_put(phba, | |
8087 | pring, piocb); | |
8088 | return IOCB_SUCCESS; | |
8089 | } else { | |
8090 | return IOCB_BUSY; | |
8091 | } | |
8092 | } else { | |
6d368e53 | 8093 | sglq = __lpfc_sli_get_sglq(phba, piocb); |
2a9bf3d0 JS |
8094 | if (!sglq) { |
8095 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
8096 | __lpfc_sli_ringtx_put(phba, | |
8097 | pring, | |
8098 | piocb); | |
8099 | return IOCB_SUCCESS; | |
8100 | } else | |
8101 | return IOCB_BUSY; | |
8102 | } | |
8103 | } | |
4f774513 JS |
8104 | } |
8105 | } else if (piocb->iocb_flag & LPFC_IO_FCP) { | |
6d368e53 JS |
8106 | /* These IO's already have an XRI and a mapped sgl. */ |
8107 | sglq = NULL; | |
4f774513 | 8108 | } else { |
6d368e53 JS |
8109 | /* |
8110 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
8111 | * sglq is on the active list |
8112 | */ | |
8113 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_xritag); | |
8114 | if (!sglq) | |
8115 | return IOCB_ERROR; | |
8116 | } | |
8117 | ||
8118 | if (sglq) { | |
6d368e53 | 8119 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 8120 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 8121 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
8122 | return IOCB_ERROR; |
8123 | } | |
8124 | ||
8125 | if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe)) | |
8126 | return IOCB_ERROR; | |
8127 | ||
341af102 JS |
8128 | if ((piocb->iocb_flag & LPFC_IO_FCP) || |
8129 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
5ffc266e JS |
8130 | /* |
8131 | * For FCP command IOCB, get a new WQ index to distribute | |
8132 | * WQE across the WQsr. On the other hand, for abort IOCB, | |
8133 | * it carries the same WQ index to the original command | |
8134 | * IOCB. | |
8135 | */ | |
341af102 | 8136 | if (piocb->iocb_flag & LPFC_IO_FCP) |
5ffc266e | 8137 | piocb->fcp_wqidx = lpfc_sli4_scmd_to_wqidx_distr(phba); |
2e90f4b5 JS |
8138 | if (unlikely(!phba->sli4_hba.fcp_wq)) |
8139 | return IOCB_ERROR; | |
5ffc266e JS |
8140 | if (lpfc_sli4_wq_put(phba->sli4_hba.fcp_wq[piocb->fcp_wqidx], |
8141 | &wqe)) | |
4f774513 JS |
8142 | return IOCB_ERROR; |
8143 | } else { | |
8144 | if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, &wqe)) | |
8145 | return IOCB_ERROR; | |
8146 | } | |
8147 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); | |
8148 | ||
8149 | return 0; | |
8150 | } | |
8151 | ||
8152 | /** | |
8153 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb | |
8154 | * | |
8155 | * This routine wraps the actual lockless version for issusing IOCB function | |
8156 | * pointer from the lpfc_hba struct. | |
8157 | * | |
8158 | * Return codes: | |
8159 | * IOCB_ERROR - Error | |
8160 | * IOCB_SUCCESS - Success | |
8161 | * IOCB_BUSY - Busy | |
8162 | **/ | |
2a9bf3d0 | 8163 | int |
4f774513 JS |
8164 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
8165 | struct lpfc_iocbq *piocb, uint32_t flag) | |
8166 | { | |
8167 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
8168 | } | |
8169 | ||
8170 | /** | |
25985edc | 8171 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
8172 | * @phba: The hba struct for which this call is being executed. |
8173 | * @dev_grp: The HBA PCI-Device group number. | |
8174 | * | |
8175 | * This routine sets up the SLI interface API function jump table in @phba | |
8176 | * struct. | |
8177 | * Returns: 0 - success, -ENODEV - failure. | |
8178 | **/ | |
8179 | int | |
8180 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
8181 | { | |
8182 | ||
8183 | switch (dev_grp) { | |
8184 | case LPFC_PCI_DEV_LP: | |
8185 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
8186 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
8187 | break; | |
8188 | case LPFC_PCI_DEV_OC: | |
8189 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
8190 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
8191 | break; | |
8192 | default: | |
8193 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8194 | "1419 Invalid HBA PCI-device group: 0x%x\n", | |
8195 | dev_grp); | |
8196 | return -ENODEV; | |
8197 | break; | |
8198 | } | |
8199 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
8200 | return 0; | |
8201 | } | |
8202 | ||
8203 | /** | |
8204 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
8205 | * @phba: Pointer to HBA context object. | |
8206 | * @pring: Pointer to driver SLI ring object. | |
8207 | * @piocb: Pointer to command iocb. | |
8208 | * @flag: Flag indicating if this command can be put into txq. | |
8209 | * | |
8210 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
8211 | * function. This function gets the hbalock and calls | |
8212 | * __lpfc_sli_issue_iocb function and will return the error returned | |
8213 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
8214 | * functions which do not hold hbalock. | |
8215 | **/ | |
8216 | int | |
8217 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
8218 | struct lpfc_iocbq *piocb, uint32_t flag) | |
8219 | { | |
8220 | unsigned long iflags; | |
8221 | int rc; | |
8222 | ||
8223 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8224 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
8225 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8226 | ||
8227 | return rc; | |
8228 | } | |
8229 | ||
8230 | /** | |
8231 | * lpfc_extra_ring_setup - Extra ring setup function | |
8232 | * @phba: Pointer to HBA context object. | |
8233 | * | |
8234 | * This function is called while driver attaches with the | |
8235 | * HBA to setup the extra ring. The extra ring is used | |
8236 | * only when driver needs to support target mode functionality | |
8237 | * or IP over FC functionalities. | |
8238 | * | |
8239 | * This function is called with no lock held. | |
8240 | **/ | |
8241 | static int | |
8242 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
8243 | { | |
8244 | struct lpfc_sli *psli; | |
8245 | struct lpfc_sli_ring *pring; | |
8246 | ||
8247 | psli = &phba->sli; | |
8248 | ||
8249 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
8250 | ||
8251 | /* Take some away from the FCP ring */ | |
8252 | pring = &psli->ring[psli->fcp_ring]; | |
8253 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
8254 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
cf5bf97e JW |
8255 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; |
8256 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
8257 | ||
a4bc3379 JS |
8258 | /* and give them to the extra ring */ |
8259 | pring = &psli->ring[psli->extra_ring]; | |
8260 | ||
cf5bf97e JW |
8261 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
8262 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
8263 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
8264 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
8265 | ||
8266 | /* Setup default profile for this ring */ | |
8267 | pring->iotag_max = 4096; | |
8268 | pring->num_mask = 1; | |
8269 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
8270 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
8271 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
8272 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
8273 | return 0; | |
8274 | } | |
8275 | ||
cb69f7de JS |
8276 | /* lpfc_sli_abts_recover_port - Recover a port that failed an ABTS. |
8277 | * @vport: pointer to virtual port object. | |
8278 | * @ndlp: nodelist pointer for the impacted rport. | |
8279 | * | |
8280 | * The driver calls this routine in response to a XRI ABORT CQE | |
8281 | * event from the port. In this event, the driver is required to | |
8282 | * recover its login to the rport even though its login may be valid | |
8283 | * from the driver's perspective. The failed ABTS notice from the | |
8284 | * port indicates the rport is not responding. | |
8285 | */ | |
8286 | static void | |
8287 | lpfc_sli_abts_recover_port(struct lpfc_vport *vport, | |
8288 | struct lpfc_nodelist *ndlp) | |
8289 | { | |
8290 | struct Scsi_Host *shost; | |
8291 | struct lpfc_hba *phba; | |
8292 | unsigned long flags = 0; | |
8293 | ||
8294 | shost = lpfc_shost_from_vport(vport); | |
8295 | phba = vport->phba; | |
8296 | if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) { | |
8297 | lpfc_printf_log(phba, KERN_INFO, | |
8298 | LOG_SLI, "3093 No rport recovery needed. " | |
8299 | "rport in state 0x%x\n", | |
8300 | ndlp->nlp_state); | |
8301 | return; | |
8302 | } | |
8303 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
8304 | "3094 Start rport recovery on shost id 0x%x " | |
8305 | "fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x " | |
8306 | "flags 0x%x\n", | |
8307 | shost->host_no, ndlp->nlp_DID, | |
8308 | vport->vpi, ndlp->nlp_rpi, ndlp->nlp_state, | |
8309 | ndlp->nlp_flag); | |
8310 | /* | |
8311 | * The rport is not responding. Don't attempt ADISC recovery. | |
8312 | * Remove the FCP-2 flag to force a PLOGI. | |
8313 | */ | |
8314 | spin_lock_irqsave(shost->host_lock, flags); | |
8315 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
8316 | spin_unlock_irqrestore(shost->host_lock, flags); | |
8317 | lpfc_disc_state_machine(vport, ndlp, NULL, | |
8318 | NLP_EVT_DEVICE_RECOVERY); | |
8319 | lpfc_cancel_retry_delay_tmo(vport, ndlp); | |
8320 | spin_lock_irqsave(shost->host_lock, flags); | |
8321 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
8322 | spin_unlock_irqrestore(shost->host_lock, flags); | |
8323 | lpfc_disc_start(vport); | |
8324 | } | |
8325 | ||
8326 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. | |
8327 | * @phba: Pointer to HBA context object. | |
8328 | * @iocbq: Pointer to iocb object. | |
8329 | * | |
8330 | * The async_event handler calls this routine when it receives | |
8331 | * an ASYNC_STATUS_CN event from the port. The port generates | |
8332 | * this event when an Abort Sequence request to an rport fails | |
8333 | * twice in succession. The abort could be originated by the | |
8334 | * driver or by the port. The ABTS could have been for an ELS | |
8335 | * or FCP IO. The port only generates this event when an ABTS | |
8336 | * fails to complete after one retry. | |
8337 | */ | |
8338 | static void | |
8339 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
8340 | struct lpfc_iocbq *iocbq) | |
8341 | { | |
8342 | struct lpfc_nodelist *ndlp = NULL; | |
8343 | uint16_t rpi = 0, vpi = 0; | |
8344 | struct lpfc_vport *vport = NULL; | |
8345 | ||
8346 | /* The rpi in the ulpContext is vport-sensitive. */ | |
8347 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
8348 | rpi = iocbq->iocb.ulpContext; | |
8349 | ||
8350 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
8351 | "3092 Port generated ABTS async event " | |
8352 | "on vpi %d rpi %d status 0x%x\n", | |
8353 | vpi, rpi, iocbq->iocb.ulpStatus); | |
8354 | ||
8355 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
8356 | if (!vport) | |
8357 | goto err_exit; | |
8358 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
8359 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
8360 | goto err_exit; | |
8361 | ||
8362 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
8363 | lpfc_sli_abts_recover_port(vport, ndlp); | |
8364 | return; | |
8365 | ||
8366 | err_exit: | |
8367 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
8368 | "3095 Event Context not found, no " | |
8369 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
8370 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
8371 | vpi, rpi); | |
8372 | } | |
8373 | ||
8374 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
8375 | * @phba: pointer to HBA context object. | |
8376 | * @ndlp: nodelist pointer for the impacted rport. | |
8377 | * @axri: pointer to the wcqe containing the failed exchange. | |
8378 | * | |
8379 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
8380 | * port. The port generates this event when an abort exchange request to an | |
8381 | * rport fails twice in succession with no reply. The abort could be originated | |
8382 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
8383 | */ | |
8384 | void | |
8385 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
8386 | struct lpfc_nodelist *ndlp, | |
8387 | struct sli4_wcqe_xri_aborted *axri) | |
8388 | { | |
8389 | struct lpfc_vport *vport; | |
5c1db2ac | 8390 | uint32_t ext_status = 0; |
cb69f7de | 8391 | |
6b5151fd | 8392 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
8393 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8394 | "3115 Node Context not found, driver " | |
8395 | "ignoring abts err event\n"); | |
6b5151fd JS |
8396 | return; |
8397 | } | |
8398 | ||
cb69f7de JS |
8399 | vport = ndlp->vport; |
8400 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
8401 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 8402 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
cb69f7de JS |
8403 | ndlp->vport->vpi, ndlp->nlp_rpi, |
8404 | bf_get(lpfc_wcqe_xa_xri, axri), | |
5c1db2ac JS |
8405 | bf_get(lpfc_wcqe_xa_status, axri), |
8406 | axri->parameter); | |
cb69f7de | 8407 | |
5c1db2ac JS |
8408 | /* |
8409 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
8410 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
8411 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
8412 | */ | |
8413 | ext_status = axri->parameter & WCQE_PARAM_MASK; | |
8414 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && | |
8415 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
8416 | lpfc_sli_abts_recover_port(vport, ndlp); |
8417 | } | |
8418 | ||
e59058c4 | 8419 | /** |
3621a710 | 8420 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
8421 | * @phba: Pointer to HBA context object. |
8422 | * @pring: Pointer to driver SLI ring object. | |
8423 | * @iocbq: Pointer to iocb object. | |
8424 | * | |
8425 | * This function is called by the slow ring event handler | |
8426 | * function when there is an ASYNC event iocb in the ring. | |
8427 | * This function is called with no lock held. | |
8428 | * Currently this function handles only temperature related | |
8429 | * ASYNC events. The function decodes the temperature sensor | |
8430 | * event message and posts events for the management applications. | |
8431 | **/ | |
98c9ea5c | 8432 | static void |
57127f15 JS |
8433 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
8434 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
8435 | { | |
8436 | IOCB_t *icmd; | |
8437 | uint16_t evt_code; | |
57127f15 JS |
8438 | struct temp_event temp_event_data; |
8439 | struct Scsi_Host *shost; | |
a257bf90 | 8440 | uint32_t *iocb_w; |
57127f15 JS |
8441 | |
8442 | icmd = &iocbq->iocb; | |
8443 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 8444 | |
cb69f7de JS |
8445 | switch (evt_code) { |
8446 | case ASYNC_TEMP_WARN: | |
8447 | case ASYNC_TEMP_SAFE: | |
8448 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
8449 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
8450 | if (evt_code == ASYNC_TEMP_WARN) { | |
8451 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
8452 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
8453 | "0347 Adapter is very hot, please take " | |
8454 | "corrective action. temperature : %d Celsius\n", | |
8455 | (uint32_t) icmd->ulpContext); | |
8456 | } else { | |
8457 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
8458 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
8459 | "0340 Adapter temperature is OK now. " | |
8460 | "temperature : %d Celsius\n", | |
8461 | (uint32_t) icmd->ulpContext); | |
8462 | } | |
8463 | ||
8464 | /* Send temperature change event to applications */ | |
8465 | shost = lpfc_shost_from_vport(phba->pport); | |
8466 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
8467 | sizeof(temp_event_data), (char *) &temp_event_data, | |
8468 | LPFC_NL_VENDOR_ID); | |
8469 | break; | |
8470 | case ASYNC_STATUS_CN: | |
8471 | lpfc_sli_abts_err_handler(phba, iocbq); | |
8472 | break; | |
8473 | default: | |
a257bf90 | 8474 | iocb_w = (uint32_t *) icmd; |
cb69f7de | 8475 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
76bb24ef | 8476 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 8477 | " evt_code 0x%x\n" |
a257bf90 JS |
8478 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
8479 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
8480 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
8481 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 8482 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
8483 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
8484 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
8485 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
8486 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
8487 | ||
cb69f7de | 8488 | break; |
57127f15 | 8489 | } |
57127f15 JS |
8490 | } |
8491 | ||
8492 | ||
e59058c4 | 8493 | /** |
3621a710 | 8494 | * lpfc_sli_setup - SLI ring setup function |
e59058c4 JS |
8495 | * @phba: Pointer to HBA context object. |
8496 | * | |
8497 | * lpfc_sli_setup sets up rings of the SLI interface with | |
8498 | * number of iocbs per ring and iotags. This function is | |
8499 | * called while driver attach to the HBA and before the | |
8500 | * interrupts are enabled. So there is no need for locking. | |
8501 | * | |
8502 | * This function always returns 0. | |
8503 | **/ | |
dea3101e JB |
8504 | int |
8505 | lpfc_sli_setup(struct lpfc_hba *phba) | |
8506 | { | |
ed957684 | 8507 | int i, totiocbsize = 0; |
dea3101e JB |
8508 | struct lpfc_sli *psli = &phba->sli; |
8509 | struct lpfc_sli_ring *pring; | |
8510 | ||
8511 | psli->num_rings = MAX_CONFIGURED_RINGS; | |
8512 | psli->sli_flag = 0; | |
8513 | psli->fcp_ring = LPFC_FCP_RING; | |
8514 | psli->next_ring = LPFC_FCP_NEXT_RING; | |
a4bc3379 | 8515 | psli->extra_ring = LPFC_EXTRA_RING; |
dea3101e | 8516 | |
604a3e30 JB |
8517 | psli->iocbq_lookup = NULL; |
8518 | psli->iocbq_lookup_len = 0; | |
8519 | psli->last_iotag = 0; | |
8520 | ||
dea3101e JB |
8521 | for (i = 0; i < psli->num_rings; i++) { |
8522 | pring = &psli->ring[i]; | |
8523 | switch (i) { | |
8524 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
8525 | /* numCiocb and numRiocb are used in config_port */ | |
8526 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; | |
8527 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
8528 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
8529 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
8530 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
8531 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
ed957684 | 8532 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8533 | SLI3_IOCB_CMD_SIZE : |
8534 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 8535 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8536 | SLI3_IOCB_RSP_SIZE : |
8537 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
8538 | pring->iotag_ctr = 0; |
8539 | pring->iotag_max = | |
92d7f7b0 | 8540 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
8541 | pring->fast_iotag = pring->iotag_max; |
8542 | pring->num_mask = 0; | |
8543 | break; | |
a4bc3379 | 8544 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e JB |
8545 | /* numCiocb and numRiocb are used in config_port */ |
8546 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; | |
8547 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
ed957684 | 8548 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8549 | SLI3_IOCB_CMD_SIZE : |
8550 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 8551 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8552 | SLI3_IOCB_RSP_SIZE : |
8553 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 8554 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
8555 | pring->num_mask = 0; |
8556 | break; | |
8557 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
8558 | /* numCiocb and numRiocb are used in config_port */ | |
8559 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; | |
8560 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
ed957684 | 8561 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8562 | SLI3_IOCB_CMD_SIZE : |
8563 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 8564 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
8565 | SLI3_IOCB_RSP_SIZE : |
8566 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
8567 | pring->fast_iotag = 0; |
8568 | pring->iotag_ctr = 0; | |
8569 | pring->iotag_max = 4096; | |
57127f15 JS |
8570 | pring->lpfc_sli_rcv_async_status = |
8571 | lpfc_sli_async_event_handler; | |
6669f9bb | 8572 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 8573 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
8574 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
8575 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 8576 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 8577 | lpfc_els_unsol_event; |
dea3101e | 8578 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
8579 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
8580 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 8581 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 8582 | lpfc_els_unsol_event; |
dea3101e JB |
8583 | pring->prt[2].profile = 0; /* Mask 2 */ |
8584 | /* NameServer Inquiry */ | |
6a9c52cf | 8585 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 8586 | /* NameServer */ |
6a9c52cf | 8587 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 8588 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 8589 | lpfc_ct_unsol_event; |
dea3101e JB |
8590 | pring->prt[3].profile = 0; /* Mask 3 */ |
8591 | /* NameServer response */ | |
6a9c52cf | 8592 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 8593 | /* NameServer */ |
6a9c52cf | 8594 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 8595 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 8596 | lpfc_ct_unsol_event; |
6669f9bb JS |
8597 | /* abort unsolicited sequence */ |
8598 | pring->prt[4].profile = 0; /* Mask 4 */ | |
8599 | pring->prt[4].rctl = FC_RCTL_BA_ABTS; | |
8600 | pring->prt[4].type = FC_TYPE_BLS; | |
8601 | pring->prt[4].lpfc_sli_rcv_unsol_event = | |
8602 | lpfc_sli4_ct_abort_unsol_event; | |
dea3101e JB |
8603 | break; |
8604 | } | |
ed957684 | 8605 | totiocbsize += (pring->numCiocb * pring->sizeCiocb) + |
92d7f7b0 | 8606 | (pring->numRiocb * pring->sizeRiocb); |
dea3101e | 8607 | } |
ed957684 | 8608 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 8609 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
8610 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
8611 | "SLI2 SLIM Data: x%x x%lx\n", | |
8612 | phba->brd_no, totiocbsize, | |
8613 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 8614 | } |
cf5bf97e JW |
8615 | if (phba->cfg_multi_ring_support == 2) |
8616 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
8617 | |
8618 | return 0; | |
8619 | } | |
8620 | ||
e59058c4 | 8621 | /** |
3621a710 | 8622 | * lpfc_sli_queue_setup - Queue initialization function |
e59058c4 JS |
8623 | * @phba: Pointer to HBA context object. |
8624 | * | |
8625 | * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each | |
8626 | * ring. This function also initializes ring indices of each ring. | |
8627 | * This function is called during the initialization of the SLI | |
8628 | * interface of an HBA. | |
8629 | * This function is called with no lock held and always returns | |
8630 | * 1. | |
8631 | **/ | |
dea3101e | 8632 | int |
2e0fef85 | 8633 | lpfc_sli_queue_setup(struct lpfc_hba *phba) |
dea3101e JB |
8634 | { |
8635 | struct lpfc_sli *psli; | |
8636 | struct lpfc_sli_ring *pring; | |
604a3e30 | 8637 | int i; |
dea3101e JB |
8638 | |
8639 | psli = &phba->sli; | |
2e0fef85 | 8640 | spin_lock_irq(&phba->hbalock); |
dea3101e | 8641 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 8642 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
8643 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
8644 | for (i = 0; i < psli->num_rings; i++) { | |
8645 | pring = &psli->ring[i]; | |
8646 | pring->ringno = i; | |
8647 | pring->next_cmdidx = 0; | |
8648 | pring->local_getidx = 0; | |
8649 | pring->cmdidx = 0; | |
8650 | INIT_LIST_HEAD(&pring->txq); | |
8651 | INIT_LIST_HEAD(&pring->txcmplq); | |
8652 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9c2face6 | 8653 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 8654 | INIT_LIST_HEAD(&pring->postbufq); |
dea3101e | 8655 | } |
2e0fef85 JS |
8656 | spin_unlock_irq(&phba->hbalock); |
8657 | return 1; | |
dea3101e JB |
8658 | } |
8659 | ||
04c68496 JS |
8660 | /** |
8661 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
8662 | * @phba: Pointer to HBA context object. | |
8663 | * | |
8664 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
8665 | * flush all the mailbox commands in the three possible stages in the mailbox | |
8666 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
8667 | * command; and completed mailbox command queue. It is caller's responsibility | |
8668 | * to make sure that the driver is in the proper state to flush the mailbox | |
8669 | * command sub-system. Namely, the posting of mailbox commands into the | |
8670 | * pending mailbox command queue from the various clients must be stopped; | |
8671 | * either the HBA is in a state that it will never works on the outstanding | |
8672 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
8673 | * mailbox command has been completed. | |
8674 | **/ | |
8675 | static void | |
8676 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
8677 | { | |
8678 | LIST_HEAD(completions); | |
8679 | struct lpfc_sli *psli = &phba->sli; | |
8680 | LPFC_MBOXQ_t *pmb; | |
8681 | unsigned long iflag; | |
8682 | ||
8683 | /* Flush all the mailbox commands in the mbox system */ | |
8684 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8685 | /* The pending mailbox command queue */ | |
8686 | list_splice_init(&phba->sli.mboxq, &completions); | |
8687 | /* The outstanding active mailbox command */ | |
8688 | if (psli->mbox_active) { | |
8689 | list_add_tail(&psli->mbox_active->list, &completions); | |
8690 | psli->mbox_active = NULL; | |
8691 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8692 | } | |
8693 | /* The completed mailbox command queue */ | |
8694 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
8695 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8696 | ||
8697 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ | |
8698 | while (!list_empty(&completions)) { | |
8699 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
8700 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8701 | if (pmb->mbox_cmpl) | |
8702 | pmb->mbox_cmpl(phba, pmb); | |
8703 | } | |
8704 | } | |
8705 | ||
e59058c4 | 8706 | /** |
3621a710 | 8707 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
8708 | * @vport: Pointer to virtual port object. |
8709 | * | |
8710 | * lpfc_sli_host_down is called to clean up the resources | |
8711 | * associated with a vport before destroying virtual | |
8712 | * port data structures. | |
8713 | * This function does following operations: | |
8714 | * - Free discovery resources associated with this virtual | |
8715 | * port. | |
8716 | * - Free iocbs associated with this virtual port in | |
8717 | * the txq. | |
8718 | * - Send abort for all iocb commands associated with this | |
8719 | * vport in txcmplq. | |
8720 | * | |
8721 | * This function is called with no lock held and always returns 1. | |
8722 | **/ | |
92d7f7b0 JS |
8723 | int |
8724 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
8725 | { | |
858c9f6c | 8726 | LIST_HEAD(completions); |
92d7f7b0 JS |
8727 | struct lpfc_hba *phba = vport->phba; |
8728 | struct lpfc_sli *psli = &phba->sli; | |
8729 | struct lpfc_sli_ring *pring; | |
8730 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
8731 | int i; |
8732 | unsigned long flags = 0; | |
8733 | uint16_t prev_pring_flag; | |
8734 | ||
8735 | lpfc_cleanup_discovery_resources(vport); | |
8736 | ||
8737 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 JS |
8738 | for (i = 0; i < psli->num_rings; i++) { |
8739 | pring = &psli->ring[i]; | |
8740 | prev_pring_flag = pring->flag; | |
5e9d9b82 JS |
8741 | /* Only slow rings */ |
8742 | if (pring->ringno == LPFC_ELS_RING) { | |
858c9f6c | 8743 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
8744 | /* Set the lpfc data pending flag */ |
8745 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
8746 | } | |
92d7f7b0 JS |
8747 | /* |
8748 | * Error everything on the txq since these iocbs have not been | |
8749 | * given to the FW yet. | |
8750 | */ | |
92d7f7b0 JS |
8751 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
8752 | if (iocb->vport != vport) | |
8753 | continue; | |
858c9f6c | 8754 | list_move_tail(&iocb->list, &completions); |
92d7f7b0 | 8755 | pring->txq_cnt--; |
92d7f7b0 JS |
8756 | } |
8757 | ||
8758 | /* Next issue ABTS for everything on the txcmplq */ | |
8759 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, | |
8760 | list) { | |
8761 | if (iocb->vport != vport) | |
8762 | continue; | |
8763 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
8764 | } | |
8765 | ||
8766 | pring->flag = prev_pring_flag; | |
8767 | } | |
8768 | ||
8769 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
8770 | ||
a257bf90 JS |
8771 | /* Cancel all the IOCBs from the completions list */ |
8772 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
8773 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
8774 | return 1; |
8775 | } | |
8776 | ||
e59058c4 | 8777 | /** |
3621a710 | 8778 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
8779 | * @phba: Pointer to HBA context object. |
8780 | * | |
8781 | * This function cleans up all iocb, buffers, mailbox commands | |
8782 | * while shutting down the HBA. This function is called with no | |
8783 | * lock held and always returns 1. | |
8784 | * This function does the following to cleanup driver resources: | |
8785 | * - Free discovery resources for each virtual port | |
8786 | * - Cleanup any pending fabric iocbs | |
8787 | * - Iterate through the iocb txq and free each entry | |
8788 | * in the list. | |
8789 | * - Free up any buffer posted to the HBA | |
8790 | * - Free mailbox commands in the mailbox queue. | |
8791 | **/ | |
dea3101e | 8792 | int |
2e0fef85 | 8793 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 8794 | { |
2534ba75 | 8795 | LIST_HEAD(completions); |
2e0fef85 | 8796 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 8797 | struct lpfc_sli_ring *pring; |
0ff10d46 | 8798 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 8799 | unsigned long flags = 0; |
04c68496 JS |
8800 | int i; |
8801 | ||
8802 | /* Shutdown the mailbox command sub-system */ | |
8803 | lpfc_sli_mbox_sys_shutdown(phba); | |
dea3101e | 8804 | |
dea3101e JB |
8805 | lpfc_hba_down_prep(phba); |
8806 | ||
92d7f7b0 JS |
8807 | lpfc_fabric_abort_hba(phba); |
8808 | ||
2e0fef85 | 8809 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e JB |
8810 | for (i = 0; i < psli->num_rings; i++) { |
8811 | pring = &psli->ring[i]; | |
5e9d9b82 JS |
8812 | /* Only slow rings */ |
8813 | if (pring->ringno == LPFC_ELS_RING) { | |
858c9f6c | 8814 | pring->flag |= LPFC_DEFERRED_RING_EVENT; |
5e9d9b82 JS |
8815 | /* Set the lpfc data pending flag */ |
8816 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
8817 | } | |
dea3101e JB |
8818 | |
8819 | /* | |
8820 | * Error everything on the txq since these iocbs have not been | |
8821 | * given to the FW yet. | |
8822 | */ | |
2534ba75 | 8823 | list_splice_init(&pring->txq, &completions); |
dea3101e JB |
8824 | pring->txq_cnt = 0; |
8825 | ||
2534ba75 | 8826 | } |
2e0fef85 | 8827 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 8828 | |
a257bf90 JS |
8829 | /* Cancel all the IOCBs from the completions list */ |
8830 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
8831 | IOERR_SLI_DOWN); | |
dea3101e | 8832 | |
0ff10d46 JS |
8833 | spin_lock_irqsave(&phba->hbalock, flags); |
8834 | list_splice_init(&phba->elsbuf, &completions); | |
8835 | phba->elsbuf_cnt = 0; | |
8836 | phba->elsbuf_prev_cnt = 0; | |
8837 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
8838 | ||
8839 | while (!list_empty(&completions)) { | |
8840 | list_remove_head(&completions, buf_ptr, | |
8841 | struct lpfc_dmabuf, list); | |
8842 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
8843 | kfree(buf_ptr); | |
8844 | } | |
8845 | ||
dea3101e JB |
8846 | /* Return any active mbox cmds */ |
8847 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 8848 | |
da0436e9 | 8849 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 8850 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 8851 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 8852 | |
da0436e9 JS |
8853 | return 1; |
8854 | } | |
8855 | ||
e59058c4 | 8856 | /** |
3621a710 | 8857 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
8858 | * @srcp: Source memory pointer. |
8859 | * @destp: Destination memory pointer. | |
8860 | * @cnt: Number of words required to be copied. | |
8861 | * | |
8862 | * This function is used for copying data between driver memory | |
8863 | * and the SLI memory. This function also changes the endianness | |
8864 | * of each word if native endianness is different from SLI | |
8865 | * endianness. This function can be called with or without | |
8866 | * lock. | |
8867 | **/ | |
dea3101e JB |
8868 | void |
8869 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
8870 | { | |
8871 | uint32_t *src = srcp; | |
8872 | uint32_t *dest = destp; | |
8873 | uint32_t ldata; | |
8874 | int i; | |
8875 | ||
8876 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
8877 | ldata = *src; | |
8878 | ldata = le32_to_cpu(ldata); | |
8879 | *dest = ldata; | |
8880 | src++; | |
8881 | dest++; | |
8882 | } | |
8883 | } | |
8884 | ||
e59058c4 | 8885 | |
a0c87cbd JS |
8886 | /** |
8887 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
8888 | * @srcp: Source memory pointer. | |
8889 | * @destp: Destination memory pointer. | |
8890 | * @cnt: Number of words required to be copied. | |
8891 | * | |
8892 | * This function is used for copying data between a data structure | |
8893 | * with big endian representation to local endianness. | |
8894 | * This function can be called with or without lock. | |
8895 | **/ | |
8896 | void | |
8897 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
8898 | { | |
8899 | uint32_t *src = srcp; | |
8900 | uint32_t *dest = destp; | |
8901 | uint32_t ldata; | |
8902 | int i; | |
8903 | ||
8904 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
8905 | ldata = *src; | |
8906 | ldata = be32_to_cpu(ldata); | |
8907 | *dest = ldata; | |
8908 | src++; | |
8909 | dest++; | |
8910 | } | |
8911 | } | |
8912 | ||
e59058c4 | 8913 | /** |
3621a710 | 8914 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
8915 | * @phba: Pointer to HBA context object. |
8916 | * @pring: Pointer to driver SLI ring object. | |
8917 | * @mp: Pointer to driver buffer object. | |
8918 | * | |
8919 | * This function is called with no lock held. | |
8920 | * It always return zero after adding the buffer to the postbufq | |
8921 | * buffer list. | |
8922 | **/ | |
dea3101e | 8923 | int |
2e0fef85 JS |
8924 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
8925 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
8926 | { |
8927 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
8928 | later */ | |
2e0fef85 | 8929 | spin_lock_irq(&phba->hbalock); |
dea3101e | 8930 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 8931 | pring->postbufq_cnt++; |
2e0fef85 | 8932 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
8933 | return 0; |
8934 | } | |
8935 | ||
e59058c4 | 8936 | /** |
3621a710 | 8937 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
8938 | * @phba: Pointer to HBA context object. |
8939 | * | |
8940 | * When HBQ is enabled, buffers are searched based on tags. This function | |
8941 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
8942 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
8943 | * does not conflict with tags of buffer posted for unsolicited events. | |
8944 | * The function returns the allocated tag. The function is called with | |
8945 | * no locks held. | |
8946 | **/ | |
76bb24ef JS |
8947 | uint32_t |
8948 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
8949 | { | |
8950 | spin_lock_irq(&phba->hbalock); | |
8951 | phba->buffer_tag_count++; | |
8952 | /* | |
8953 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
8954 | * a tag assigned by HBQ. | |
8955 | */ | |
8956 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
8957 | spin_unlock_irq(&phba->hbalock); | |
8958 | return phba->buffer_tag_count; | |
8959 | } | |
8960 | ||
e59058c4 | 8961 | /** |
3621a710 | 8962 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
8963 | * @phba: Pointer to HBA context object. |
8964 | * @pring: Pointer to driver SLI ring object. | |
8965 | * @tag: Buffer tag. | |
8966 | * | |
8967 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
8968 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
8969 | * iocb is posted to the response ring with the tag of the buffer. | |
8970 | * This function searches the pring->postbufq list using the tag | |
8971 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
8972 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
8973 | * buffer is returned to the caller else NULL is returned. | |
8974 | * This function is called with no lock held. | |
8975 | **/ | |
76bb24ef JS |
8976 | struct lpfc_dmabuf * |
8977 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
8978 | uint32_t tag) | |
8979 | { | |
8980 | struct lpfc_dmabuf *mp, *next_mp; | |
8981 | struct list_head *slp = &pring->postbufq; | |
8982 | ||
25985edc | 8983 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
8984 | spin_lock_irq(&phba->hbalock); |
8985 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
8986 | if (mp->buffer_tag == tag) { | |
8987 | list_del_init(&mp->list); | |
8988 | pring->postbufq_cnt--; | |
8989 | spin_unlock_irq(&phba->hbalock); | |
8990 | return mp; | |
8991 | } | |
8992 | } | |
8993 | ||
8994 | spin_unlock_irq(&phba->hbalock); | |
8995 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 8996 | "0402 Cannot find virtual addr for buffer tag on " |
76bb24ef JS |
8997 | "ring %d Data x%lx x%p x%p x%x\n", |
8998 | pring->ringno, (unsigned long) tag, | |
8999 | slp->next, slp->prev, pring->postbufq_cnt); | |
9000 | ||
9001 | return NULL; | |
9002 | } | |
dea3101e | 9003 | |
e59058c4 | 9004 | /** |
3621a710 | 9005 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
9006 | * @phba: Pointer to HBA context object. |
9007 | * @pring: Pointer to driver SLI ring object. | |
9008 | * @phys: DMA address of the buffer. | |
9009 | * | |
9010 | * This function searches the buffer list using the dma_address | |
9011 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
9012 | * corresponding to the dma_address. The function returns the | |
9013 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
9014 | * This function is called by the ct and els unsolicited event | |
9015 | * handlers to get the buffer associated with the unsolicited | |
9016 | * event. | |
9017 | * | |
9018 | * This function is called with no lock held. | |
9019 | **/ | |
dea3101e JB |
9020 | struct lpfc_dmabuf * |
9021 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
9022 | dma_addr_t phys) | |
9023 | { | |
9024 | struct lpfc_dmabuf *mp, *next_mp; | |
9025 | struct list_head *slp = &pring->postbufq; | |
9026 | ||
25985edc | 9027 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 9028 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
9029 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
9030 | if (mp->phys == phys) { | |
9031 | list_del_init(&mp->list); | |
9032 | pring->postbufq_cnt--; | |
2e0fef85 | 9033 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
9034 | return mp; |
9035 | } | |
9036 | } | |
9037 | ||
2e0fef85 | 9038 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 9039 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 9040 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 9041 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 9042 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
9043 | slp->next, slp->prev, pring->postbufq_cnt); |
9044 | return NULL; | |
9045 | } | |
9046 | ||
e59058c4 | 9047 | /** |
3621a710 | 9048 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
9049 | * @phba: Pointer to HBA context object. |
9050 | * @cmdiocb: Pointer to driver command iocb object. | |
9051 | * @rspiocb: Pointer to driver response iocb object. | |
9052 | * | |
9053 | * This function is the completion handler for the abort iocbs for | |
9054 | * ELS commands. This function is called from the ELS ring event | |
9055 | * handler with no lock held. This function frees memory resources | |
9056 | * associated with the abort iocb. | |
9057 | **/ | |
dea3101e | 9058 | static void |
2e0fef85 JS |
9059 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
9060 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 9061 | { |
2e0fef85 | 9062 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 9063 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 9064 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
9065 | |
9066 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
9067 | |
9068 | /* | |
9069 | * Assume that the port already completed and returned, or | |
9070 | * will return the iocb. Just Log the message. | |
9071 | */ | |
2680eeaa JS |
9072 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
9073 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
9074 | ||
2e0fef85 | 9075 | spin_lock_irq(&phba->hbalock); |
45ed1190 JS |
9076 | if (phba->sli_rev < LPFC_SLI_REV4) { |
9077 | if (abort_iotag != 0 && | |
9078 | abort_iotag <= phba->sli.last_iotag) | |
9079 | abort_iocb = | |
9080 | phba->sli.iocbq_lookup[abort_iotag]; | |
9081 | } else | |
9082 | /* For sli4 the abort_tag is the XRI, | |
9083 | * so the abort routine puts the iotag of the iocb | |
9084 | * being aborted in the context field of the abort | |
9085 | * IOCB. | |
9086 | */ | |
9087 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 9088 | |
2a9bf3d0 JS |
9089 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
9090 | "0327 Cannot abort els iocb %p " | |
9091 | "with tag %x context %x, abort status %x, " | |
9092 | "abort code %x\n", | |
9093 | abort_iocb, abort_iotag, abort_context, | |
9094 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 9095 | |
ff78d8f9 | 9096 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 9097 | } |
604a3e30 | 9098 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
9099 | return; |
9100 | } | |
9101 | ||
e59058c4 | 9102 | /** |
3621a710 | 9103 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
9104 | * @phba: Pointer to HBA context object. |
9105 | * @cmdiocb: Pointer to driver command iocb object. | |
9106 | * @rspiocb: Pointer to driver response iocb object. | |
9107 | * | |
9108 | * The function is called from SLI ring event handler with no | |
9109 | * lock held. This function is the completion handler for ELS commands | |
9110 | * which are aborted. The function frees memory resources used for | |
9111 | * the aborted ELS commands. | |
9112 | **/ | |
92d7f7b0 JS |
9113 | static void |
9114 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
9115 | struct lpfc_iocbq *rspiocb) | |
9116 | { | |
9117 | IOCB_t *irsp = &rspiocb->iocb; | |
9118 | ||
9119 | /* ELS cmd tag <ulpIoTag> completes */ | |
9120 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 9121 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 9122 | "x%x x%x x%x\n", |
e8b62011 | 9123 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 9124 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
9125 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
9126 | lpfc_ct_free_iocb(phba, cmdiocb); | |
9127 | else | |
9128 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
9129 | return; |
9130 | } | |
9131 | ||
e59058c4 | 9132 | /** |
5af5eee7 | 9133 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
9134 | * @phba: Pointer to HBA context object. |
9135 | * @pring: Pointer to driver SLI ring object. | |
9136 | * @cmdiocb: Pointer to driver command iocb object. | |
9137 | * | |
5af5eee7 JS |
9138 | * This function issues an abort iocb for the provided command iocb down to |
9139 | * the port. Other than the case the outstanding command iocb is an abort | |
9140 | * request, this function issues abort out unconditionally. This function is | |
9141 | * called with hbalock held. The function returns 0 when it fails due to | |
9142 | * memory allocation failure or when the command iocb is an abort request. | |
e59058c4 | 9143 | **/ |
5af5eee7 JS |
9144 | static int |
9145 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 9146 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 9147 | { |
2e0fef85 | 9148 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 9149 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
9150 | IOCB_t *icmd = NULL; |
9151 | IOCB_t *iabt = NULL; | |
5af5eee7 | 9152 | int retval; |
07951076 | 9153 | |
92d7f7b0 JS |
9154 | /* |
9155 | * There are certain command types we don't want to abort. And we | |
9156 | * don't want to abort commands that are already in the process of | |
9157 | * being aborted. | |
07951076 JS |
9158 | */ |
9159 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 9160 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
9161 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
9162 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
9163 | return 0; |
9164 | ||
dea3101e | 9165 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 9166 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
9167 | if (abtsiocbp == NULL) |
9168 | return 0; | |
dea3101e | 9169 | |
07951076 | 9170 | /* This signals the response to set the correct status |
341af102 | 9171 | * before calling the completion handler |
07951076 JS |
9172 | */ |
9173 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
9174 | ||
dea3101e | 9175 | iabt = &abtsiocbp->iocb; |
07951076 JS |
9176 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
9177 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 9178 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 9179 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 JS |
9180 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
9181 | } | |
da0436e9 JS |
9182 | else |
9183 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
07951076 JS |
9184 | iabt->ulpLe = 1; |
9185 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 9186 | |
5ffc266e JS |
9187 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
9188 | abtsiocbp->fcp_wqidx = cmdiocb->fcp_wqidx; | |
341af102 JS |
9189 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
9190 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
5ffc266e | 9191 | |
2e0fef85 | 9192 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
9193 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
9194 | else | |
9195 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 9196 | |
07951076 | 9197 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
5b8bd0c9 | 9198 | |
e8b62011 JS |
9199 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
9200 | "0339 Abort xri x%x, original iotag x%x, " | |
9201 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 9202 | iabt->un.acxri.abortIoTag, |
e8b62011 | 9203 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 9204 | abtsiocbp->iotag); |
da0436e9 | 9205 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, abtsiocbp, 0); |
dea3101e | 9206 | |
d7c255b2 JS |
9207 | if (retval) |
9208 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
9209 | |
9210 | /* | |
9211 | * Caller to this routine should check for IOCB_ERROR | |
9212 | * and handle it properly. This routine no longer removes | |
9213 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
9214 | */ | |
9215 | return retval; | |
9216 | } | |
9217 | ||
9218 | /** | |
9219 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
9220 | * @phba: Pointer to HBA context object. | |
9221 | * @pring: Pointer to driver SLI ring object. | |
9222 | * @cmdiocb: Pointer to driver command iocb object. | |
9223 | * | |
9224 | * This function issues an abort iocb for the provided command iocb. In case | |
9225 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
9226 | * ring. Instead, the callback function shall be changed to those commands | |
9227 | * so that nothing happens when them finishes. This function is called with | |
9228 | * hbalock held. The function returns 0 when the command iocb is an abort | |
9229 | * request. | |
9230 | **/ | |
9231 | int | |
9232 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
9233 | struct lpfc_iocbq *cmdiocb) | |
9234 | { | |
9235 | struct lpfc_vport *vport = cmdiocb->vport; | |
9236 | int retval = IOCB_ERROR; | |
9237 | IOCB_t *icmd = NULL; | |
9238 | ||
9239 | /* | |
9240 | * There are certain command types we don't want to abort. And we | |
9241 | * don't want to abort commands that are already in the process of | |
9242 | * being aborted. | |
9243 | */ | |
9244 | icmd = &cmdiocb->iocb; | |
9245 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
9246 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
9247 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
9248 | return 0; | |
9249 | ||
9250 | /* | |
9251 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
9252 | * the callback so that nothing happens when it finishes. | |
9253 | */ | |
9254 | if ((vport->load_flag & FC_UNLOADING) && | |
9255 | (pring->ringno == LPFC_ELS_RING)) { | |
9256 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
9257 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
9258 | else | |
9259 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
9260 | goto abort_iotag_exit; | |
9261 | } | |
9262 | ||
9263 | /* Now, we try to issue the abort to the cmdiocb out */ | |
9264 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
9265 | ||
07951076 | 9266 | abort_iotag_exit: |
2e0fef85 JS |
9267 | /* |
9268 | * Caller to this routine should check for IOCB_ERROR | |
9269 | * and handle it properly. This routine no longer removes | |
9270 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 9271 | */ |
2e0fef85 | 9272 | return retval; |
dea3101e JB |
9273 | } |
9274 | ||
5af5eee7 JS |
9275 | /** |
9276 | * lpfc_sli_iocb_ring_abort - Unconditionally abort all iocbs on an iocb ring | |
9277 | * @phba: Pointer to HBA context object. | |
9278 | * @pring: Pointer to driver SLI ring object. | |
9279 | * | |
9280 | * This function aborts all iocbs in the given ring and frees all the iocb | |
9281 | * objects in txq. This function issues abort iocbs unconditionally for all | |
9282 | * the iocb commands in txcmplq. The iocbs in the txcmplq is not guaranteed | |
9283 | * to complete before the return of this function. The caller is not required | |
9284 | * to hold any locks. | |
9285 | **/ | |
9286 | static void | |
9287 | lpfc_sli_iocb_ring_abort(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
9288 | { | |
9289 | LIST_HEAD(completions); | |
9290 | struct lpfc_iocbq *iocb, *next_iocb; | |
9291 | ||
9292 | if (pring->ringno == LPFC_ELS_RING) | |
9293 | lpfc_fabric_abort_hba(phba); | |
9294 | ||
9295 | spin_lock_irq(&phba->hbalock); | |
9296 | ||
9297 | /* Take off all the iocbs on txq for cancelling */ | |
9298 | list_splice_init(&pring->txq, &completions); | |
9299 | pring->txq_cnt = 0; | |
9300 | ||
9301 | /* Next issue ABTS for everything on the txcmplq */ | |
9302 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
9303 | lpfc_sli_abort_iotag_issue(phba, pring, iocb); | |
9304 | ||
9305 | spin_unlock_irq(&phba->hbalock); | |
9306 | ||
9307 | /* Cancel all the IOCBs from the completions list */ | |
9308 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
9309 | IOERR_SLI_ABORTED); | |
9310 | } | |
9311 | ||
9312 | /** | |
9313 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
9314 | * @phba: pointer to lpfc HBA data structure. | |
9315 | * | |
9316 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
9317 | **/ | |
9318 | void | |
9319 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
9320 | { | |
9321 | struct lpfc_sli *psli = &phba->sli; | |
9322 | struct lpfc_sli_ring *pring; | |
9323 | int i; | |
9324 | ||
9325 | for (i = 0; i < psli->num_rings; i++) { | |
9326 | pring = &psli->ring[i]; | |
9327 | lpfc_sli_iocb_ring_abort(phba, pring); | |
9328 | } | |
9329 | } | |
9330 | ||
e59058c4 | 9331 | /** |
3621a710 | 9332 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
9333 | * @iocbq: Pointer to driver iocb object. |
9334 | * @vport: Pointer to driver virtual port object. | |
9335 | * @tgt_id: SCSI ID of the target. | |
9336 | * @lun_id: LUN ID of the scsi device. | |
9337 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
9338 | * | |
3621a710 | 9339 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
9340 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
9341 | * 0 if the filtering criteria is met for the given iocb and will return | |
9342 | * 1 if the filtering criteria is not met. | |
9343 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
9344 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
9345 | * lun_id parameter. | |
9346 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
9347 | * given iocb is for the SCSI target specified by vport and tgt_id | |
9348 | * parameters. | |
9349 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
9350 | * given iocb is for the SCSI host associated with the given vport. | |
9351 | * This function is called with no locks held. | |
9352 | **/ | |
dea3101e | 9353 | static int |
51ef4c26 JS |
9354 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
9355 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 9356 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 9357 | { |
0bd4ca25 | 9358 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e JB |
9359 | int rc = 1; |
9360 | ||
0bd4ca25 JSEC |
9361 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
9362 | return rc; | |
9363 | ||
51ef4c26 JS |
9364 | if (iocbq->vport != vport) |
9365 | return rc; | |
9366 | ||
0bd4ca25 | 9367 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
0bd4ca25 | 9368 | |
495a714c | 9369 | if (lpfc_cmd->pCmd == NULL) |
dea3101e JB |
9370 | return rc; |
9371 | ||
9372 | switch (ctx_cmd) { | |
9373 | case LPFC_CTX_LUN: | |
495a714c JS |
9374 | if ((lpfc_cmd->rdata->pnode) && |
9375 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && | |
9376 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e JB |
9377 | rc = 0; |
9378 | break; | |
9379 | case LPFC_CTX_TGT: | |
495a714c JS |
9380 | if ((lpfc_cmd->rdata->pnode) && |
9381 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) | |
dea3101e JB |
9382 | rc = 0; |
9383 | break; | |
dea3101e JB |
9384 | case LPFC_CTX_HOST: |
9385 | rc = 0; | |
9386 | break; | |
9387 | default: | |
9388 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 9389 | __func__, ctx_cmd); |
dea3101e JB |
9390 | break; |
9391 | } | |
9392 | ||
9393 | return rc; | |
9394 | } | |
9395 | ||
e59058c4 | 9396 | /** |
3621a710 | 9397 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
9398 | * @vport: Pointer to virtual port. |
9399 | * @tgt_id: SCSI ID of the target. | |
9400 | * @lun_id: LUN ID of the scsi device. | |
9401 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
9402 | * | |
9403 | * This function returns number of FCP commands pending for the vport. | |
9404 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
9405 | * commands pending on the vport associated with SCSI device specified | |
9406 | * by tgt_id and lun_id parameters. | |
9407 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
9408 | * commands pending on the vport associated with SCSI target specified | |
9409 | * by tgt_id parameter. | |
9410 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
9411 | * commands pending on the vport. | |
9412 | * This function returns the number of iocbs which satisfy the filter. | |
9413 | * This function is called without any lock held. | |
9414 | **/ | |
dea3101e | 9415 | int |
51ef4c26 JS |
9416 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
9417 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 9418 | { |
51ef4c26 | 9419 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
9420 | struct lpfc_iocbq *iocbq; |
9421 | int sum, i; | |
dea3101e | 9422 | |
0bd4ca25 JSEC |
9423 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
9424 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 9425 | |
51ef4c26 JS |
9426 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
9427 | ctx_cmd) == 0) | |
0bd4ca25 | 9428 | sum++; |
dea3101e | 9429 | } |
0bd4ca25 | 9430 | |
dea3101e JB |
9431 | return sum; |
9432 | } | |
9433 | ||
e59058c4 | 9434 | /** |
3621a710 | 9435 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
9436 | * @phba: Pointer to HBA context object |
9437 | * @cmdiocb: Pointer to command iocb object. | |
9438 | * @rspiocb: Pointer to response iocb object. | |
9439 | * | |
9440 | * This function is called when an aborted FCP iocb completes. This | |
9441 | * function is called by the ring event handler with no lock held. | |
9442 | * This function frees the iocb. | |
9443 | **/ | |
5eb95af0 | 9444 | void |
2e0fef85 JS |
9445 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
9446 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 9447 | { |
cb69f7de JS |
9448 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
9449 | "3096 ABORT_XRI_CN completing on xri x%x " | |
9450 | "original iotag x%x, abort cmd iotag x%x " | |
9451 | "status 0x%x, reason 0x%x\n", | |
9452 | cmdiocb->iocb.un.acxri.abortContextTag, | |
9453 | cmdiocb->iocb.un.acxri.abortIoTag, | |
9454 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
9455 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 9456 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
9457 | return; |
9458 | } | |
9459 | ||
e59058c4 | 9460 | /** |
3621a710 | 9461 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
9462 | * @vport: Pointer to virtual port. |
9463 | * @pring: Pointer to driver SLI ring object. | |
9464 | * @tgt_id: SCSI ID of the target. | |
9465 | * @lun_id: LUN ID of the scsi device. | |
9466 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
9467 | * | |
9468 | * This function sends an abort command for every SCSI command | |
9469 | * associated with the given virtual port pending on the ring | |
9470 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
9471 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
9472 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
9473 | * parameters | |
9474 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
9475 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
9476 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
9477 | * FCP iocbs associated with virtual port. | |
9478 | * This function returns number of iocbs it failed to abort. | |
9479 | * This function is called with no locks held. | |
9480 | **/ | |
dea3101e | 9481 | int |
51ef4c26 JS |
9482 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
9483 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 9484 | { |
51ef4c26 | 9485 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
9486 | struct lpfc_iocbq *iocbq; |
9487 | struct lpfc_iocbq *abtsiocb; | |
dea3101e | 9488 | IOCB_t *cmd = NULL; |
dea3101e | 9489 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 9490 | int i; |
dea3101e | 9491 | |
0bd4ca25 JSEC |
9492 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
9493 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 9494 | |
51ef4c26 | 9495 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 9496 | abort_cmd) != 0) |
dea3101e JB |
9497 | continue; |
9498 | ||
9499 | /* issue ABTS for this IOCB based on iotag */ | |
0bd4ca25 | 9500 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
9501 | if (abtsiocb == NULL) { |
9502 | errcnt++; | |
9503 | continue; | |
9504 | } | |
dea3101e | 9505 | |
0bd4ca25 | 9506 | cmd = &iocbq->iocb; |
dea3101e JB |
9507 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
9508 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
9509 | if (phba->sli_rev == LPFC_SLI_REV4) |
9510 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
9511 | else | |
9512 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e JB |
9513 | abtsiocb->iocb.ulpLe = 1; |
9514 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
2e0fef85 | 9515 | abtsiocb->vport = phba->pport; |
dea3101e | 9516 | |
5ffc266e JS |
9517 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
9518 | abtsiocb->fcp_wqidx = iocbq->fcp_wqidx; | |
341af102 JS |
9519 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
9520 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
5ffc266e | 9521 | |
2e0fef85 | 9522 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
9523 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
9524 | else | |
9525 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
9526 | ||
5eb95af0 JSEC |
9527 | /* Setup callback routine and issue the command. */ |
9528 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
da0436e9 JS |
9529 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, |
9530 | abtsiocb, 0); | |
dea3101e | 9531 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 9532 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
9533 | errcnt++; |
9534 | continue; | |
9535 | } | |
9536 | } | |
9537 | ||
9538 | return errcnt; | |
9539 | } | |
9540 | ||
e59058c4 | 9541 | /** |
3621a710 | 9542 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
9543 | * @phba: Pointer to HBA context object. |
9544 | * @cmdiocbq: Pointer to command iocb. | |
9545 | * @rspiocbq: Pointer to response iocb. | |
9546 | * | |
9547 | * This function is the completion handler for iocbs issued using | |
9548 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
9549 | * ring event handler function without any lock held. This function | |
9550 | * can be called from both worker thread context and interrupt | |
9551 | * context. This function also can be called from other thread which | |
9552 | * cleans up the SLI layer objects. | |
9553 | * This function copy the contents of the response iocb to the | |
9554 | * response iocb memory object provided by the caller of | |
9555 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
9556 | * sleeps for the iocb completion. | |
9557 | **/ | |
68876920 JSEC |
9558 | static void |
9559 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
9560 | struct lpfc_iocbq *cmdiocbq, | |
9561 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 9562 | { |
68876920 JSEC |
9563 | wait_queue_head_t *pdone_q; |
9564 | unsigned long iflags; | |
0f65ff68 | 9565 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e | 9566 | |
2e0fef85 | 9567 | spin_lock_irqsave(&phba->hbalock, iflags); |
68876920 JSEC |
9568 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
9569 | if (cmdiocbq->context2 && rspiocbq) | |
9570 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
9571 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
9572 | ||
0f65ff68 JS |
9573 | /* Set the exchange busy flag for task management commands */ |
9574 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
9575 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
9576 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf, | |
9577 | cur_iocbq); | |
9578 | lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY; | |
9579 | } | |
9580 | ||
68876920 | 9581 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
9582 | if (pdone_q) |
9583 | wake_up(pdone_q); | |
858c9f6c | 9584 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
9585 | return; |
9586 | } | |
9587 | ||
d11e31dd JS |
9588 | /** |
9589 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
9590 | * @phba: Pointer to HBA context object.. | |
9591 | * @piocbq: Pointer to command iocb. | |
9592 | * @flag: Flag to test. | |
9593 | * | |
9594 | * This routine grabs the hbalock and then test the iocb_flag to | |
9595 | * see if the passed in flag is set. | |
9596 | * Returns: | |
9597 | * 1 if flag is set. | |
9598 | * 0 if flag is not set. | |
9599 | **/ | |
9600 | static int | |
9601 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
9602 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
9603 | { | |
9604 | unsigned long iflags; | |
9605 | int ret; | |
9606 | ||
9607 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9608 | ret = piocbq->iocb_flag & flag; | |
9609 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9610 | return ret; | |
9611 | ||
9612 | } | |
9613 | ||
e59058c4 | 9614 | /** |
3621a710 | 9615 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 JS |
9616 | * @phba: Pointer to HBA context object.. |
9617 | * @pring: Pointer to sli ring. | |
9618 | * @piocb: Pointer to command iocb. | |
9619 | * @prspiocbq: Pointer to response iocb. | |
9620 | * @timeout: Timeout in number of seconds. | |
9621 | * | |
9622 | * This function issues the iocb to firmware and waits for the | |
9623 | * iocb to complete. If the iocb command is not | |
9624 | * completed within timeout seconds, it returns IOCB_TIMEDOUT. | |
9625 | * Caller should not free the iocb resources if this function | |
9626 | * returns IOCB_TIMEDOUT. | |
9627 | * The function waits for the iocb completion using an | |
9628 | * non-interruptible wait. | |
9629 | * This function will sleep while waiting for iocb completion. | |
9630 | * So, this function should not be called from any context which | |
9631 | * does not allow sleeping. Due to the same reason, this function | |
9632 | * cannot be called with interrupt disabled. | |
9633 | * This function assumes that the iocb completions occur while | |
9634 | * this function sleep. So, this function cannot be called from | |
9635 | * the thread which process iocb completion for this ring. | |
9636 | * This function clears the iocb_flag of the iocb object before | |
9637 | * issuing the iocb and the iocb completion handler sets this | |
9638 | * flag and wakes this thread when the iocb completes. | |
9639 | * The contents of the response iocb will be copied to prspiocbq | |
9640 | * by the completion handler when the command completes. | |
9641 | * This function returns IOCB_SUCCESS when success. | |
9642 | * This function is called with no lock held. | |
9643 | **/ | |
dea3101e | 9644 | int |
2e0fef85 | 9645 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 9646 | uint32_t ring_number, |
2e0fef85 JS |
9647 | struct lpfc_iocbq *piocb, |
9648 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 9649 | uint32_t timeout) |
dea3101e | 9650 | { |
7259f0d0 | 9651 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
9652 | long timeleft, timeout_req = 0; |
9653 | int retval = IOCB_SUCCESS; | |
875fbdfe | 9654 | uint32_t creg_val; |
2a9bf3d0 | 9655 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e | 9656 | /* |
68876920 JSEC |
9657 | * If the caller has provided a response iocbq buffer, then context2 |
9658 | * is NULL or its an error. | |
dea3101e | 9659 | */ |
68876920 JSEC |
9660 | if (prspiocbq) { |
9661 | if (piocb->context2) | |
9662 | return IOCB_ERROR; | |
9663 | piocb->context2 = prspiocbq; | |
dea3101e JB |
9664 | } |
9665 | ||
68876920 JSEC |
9666 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
9667 | piocb->context_un.wait_queue = &done_q; | |
9668 | piocb->iocb_flag &= ~LPFC_IO_WAKE; | |
dea3101e | 9669 | |
875fbdfe | 9670 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
9671 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
9672 | return IOCB_ERROR; | |
875fbdfe JSEC |
9673 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
9674 | writel(creg_val, phba->HCregaddr); | |
9675 | readl(phba->HCregaddr); /* flush */ | |
9676 | } | |
9677 | ||
2a9bf3d0 JS |
9678 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
9679 | SLI_IOCB_RET_IOCB); | |
68876920 JSEC |
9680 | if (retval == IOCB_SUCCESS) { |
9681 | timeout_req = timeout * HZ; | |
68876920 | 9682 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 9683 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 9684 | timeout_req); |
dea3101e | 9685 | |
7054a606 JS |
9686 | if (piocb->iocb_flag & LPFC_IO_WAKE) { |
9687 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 9688 | "0331 IOCB wake signaled\n"); |
7054a606 | 9689 | } else if (timeleft == 0) { |
68876920 | 9690 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
9691 | "0338 IOCB wait timeout error - no " |
9692 | "wake response Data x%x\n", timeout); | |
68876920 | 9693 | retval = IOCB_TIMEDOUT; |
7054a606 | 9694 | } else { |
68876920 | 9695 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
9696 | "0330 IOCB wake NOT set, " |
9697 | "Data x%x x%lx\n", | |
68876920 JSEC |
9698 | timeout, (timeleft / jiffies)); |
9699 | retval = IOCB_TIMEDOUT; | |
dea3101e | 9700 | } |
2a9bf3d0 JS |
9701 | } else if (retval == IOCB_BUSY) { |
9702 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
9703 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
9704 | phba->iocb_cnt, pring->txq_cnt, pring->txcmplq_cnt); | |
9705 | return retval; | |
68876920 JSEC |
9706 | } else { |
9707 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 9708 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 9709 | retval); |
68876920 | 9710 | retval = IOCB_ERROR; |
dea3101e JB |
9711 | } |
9712 | ||
875fbdfe | 9713 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
9714 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
9715 | return IOCB_ERROR; | |
875fbdfe JSEC |
9716 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
9717 | writel(creg_val, phba->HCregaddr); | |
9718 | readl(phba->HCregaddr); /* flush */ | |
9719 | } | |
9720 | ||
68876920 JSEC |
9721 | if (prspiocbq) |
9722 | piocb->context2 = NULL; | |
9723 | ||
9724 | piocb->context_un.wait_queue = NULL; | |
9725 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
9726 | return retval; |
9727 | } | |
68876920 | 9728 | |
e59058c4 | 9729 | /** |
3621a710 | 9730 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
9731 | * @phba: Pointer to HBA context object. |
9732 | * @pmboxq: Pointer to driver mailbox object. | |
9733 | * @timeout: Timeout in number of seconds. | |
9734 | * | |
9735 | * This function issues the mailbox to firmware and waits for the | |
9736 | * mailbox command to complete. If the mailbox command is not | |
9737 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
9738 | * The function waits for the mailbox completion using an | |
9739 | * interruptible wait. If the thread is woken up due to a | |
9740 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
9741 | * should not free the mailbox resources, if this function returns | |
9742 | * MBX_TIMEOUT. | |
9743 | * This function will sleep while waiting for mailbox completion. | |
9744 | * So, this function should not be called from any context which | |
9745 | * does not allow sleeping. Due to the same reason, this function | |
9746 | * cannot be called with interrupt disabled. | |
9747 | * This function assumes that the mailbox completion occurs while | |
9748 | * this function sleep. So, this function cannot be called from | |
9749 | * the worker thread which processes mailbox completion. | |
9750 | * This function is called in the context of HBA management | |
9751 | * applications. | |
9752 | * This function returns MBX_SUCCESS when successful. | |
9753 | * This function is called with no lock held. | |
9754 | **/ | |
dea3101e | 9755 | int |
2e0fef85 | 9756 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
9757 | uint32_t timeout) |
9758 | { | |
7259f0d0 | 9759 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
dea3101e | 9760 | int retval; |
858c9f6c | 9761 | unsigned long flag; |
dea3101e JB |
9762 | |
9763 | /* The caller must leave context1 empty. */ | |
98c9ea5c | 9764 | if (pmboxq->context1) |
2e0fef85 | 9765 | return MBX_NOT_FINISHED; |
dea3101e | 9766 | |
495a714c | 9767 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e JB |
9768 | /* setup wake call as IOCB callback */ |
9769 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
9770 | /* setup context field to pass wait_queue pointer to wake function */ | |
9771 | pmboxq->context1 = &done_q; | |
9772 | ||
dea3101e JB |
9773 | /* now issue the command */ |
9774 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 9775 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
7054a606 JS |
9776 | wait_event_interruptible_timeout(done_q, |
9777 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
9778 | timeout * HZ); | |
9779 | ||
858c9f6c | 9780 | spin_lock_irqsave(&phba->hbalock, flag); |
dea3101e | 9781 | pmboxq->context1 = NULL; |
7054a606 JS |
9782 | /* |
9783 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
9784 | * else do not free the resources. | |
9785 | */ | |
d7c47992 | 9786 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 9787 | retval = MBX_SUCCESS; |
d7c47992 JS |
9788 | lpfc_sli4_swap_str(phba, pmboxq); |
9789 | } else { | |
7054a606 | 9790 | retval = MBX_TIMEOUT; |
858c9f6c JS |
9791 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
9792 | } | |
9793 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e JB |
9794 | } |
9795 | ||
dea3101e JB |
9796 | return retval; |
9797 | } | |
9798 | ||
e59058c4 | 9799 | /** |
3772a991 | 9800 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 JS |
9801 | * @phba: Pointer to HBA context. |
9802 | * | |
3772a991 JS |
9803 | * This function is called to shutdown the driver's mailbox sub-system. |
9804 | * It first marks the mailbox sub-system is in a block state to prevent | |
9805 | * the asynchronous mailbox command from issued off the pending mailbox | |
9806 | * command queue. If the mailbox command sub-system shutdown is due to | |
9807 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
9808 | * the mailbox sub-system flush routine to forcefully bring down the | |
9809 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
9810 | * as with offline or HBA function reset), this routine will wait for the | |
9811 | * outstanding mailbox command to complete before invoking the mailbox | |
9812 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 9813 | **/ |
3772a991 JS |
9814 | void |
9815 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba) | |
b4c02652 | 9816 | { |
3772a991 | 9817 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 9818 | unsigned long timeout; |
b4c02652 | 9819 | |
a183a15f | 9820 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
3772a991 JS |
9821 | spin_lock_irq(&phba->hbalock); |
9822 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
9823 | spin_unlock_irq(&phba->hbalock); | |
b4c02652 | 9824 | |
3772a991 | 9825 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
ed957684 | 9826 | spin_lock_irq(&phba->hbalock); |
3772a991 JS |
9827 | /* Determine how long we might wait for the active mailbox |
9828 | * command to be gracefully completed by firmware. | |
9829 | */ | |
a183a15f JS |
9830 | if (phba->sli.mbox_active) |
9831 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
9832 | phba->sli.mbox_active) * | |
9833 | 1000) + jiffies; | |
9834 | spin_unlock_irq(&phba->hbalock); | |
9835 | ||
3772a991 JS |
9836 | while (phba->sli.mbox_active) { |
9837 | /* Check active mailbox complete status every 2ms */ | |
9838 | msleep(2); | |
9839 | if (time_after(jiffies, timeout)) | |
9840 | /* Timeout, let the mailbox flush routine to | |
9841 | * forcefully release active mailbox command | |
9842 | */ | |
9843 | break; | |
9844 | } | |
9845 | } | |
9846 | lpfc_sli_mbox_sys_flush(phba); | |
9847 | } | |
ed957684 | 9848 | |
3772a991 JS |
9849 | /** |
9850 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
9851 | * @phba: Pointer to HBA context. | |
9852 | * | |
9853 | * This function is called to read the SLI3 device error attention registers | |
9854 | * for possible error attention events. The caller must hold the hostlock | |
9855 | * with spin_lock_irq(). | |
9856 | * | |
25985edc | 9857 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
9858 | * Register and returns 0 otherwise. |
9859 | **/ | |
9860 | static int | |
9861 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
9862 | { | |
9863 | uint32_t ha_copy; | |
b4c02652 | 9864 | |
3772a991 | 9865 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
9866 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
9867 | goto unplug_err; | |
9868 | ||
3772a991 JS |
9869 | if (ha_copy & HA_ERATT) { |
9870 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
9871 | if (lpfc_sli_read_hs(phba)) |
9872 | goto unplug_err; | |
b4c02652 | 9873 | |
3772a991 JS |
9874 | /* Check if there is a deferred error condition is active */ |
9875 | if ((HS_FFER1 & phba->work_hs) && | |
9876 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 9877 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 9878 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
9879 | /* Clear all interrupt enable conditions */ |
9880 | writel(0, phba->HCregaddr); | |
9881 | readl(phba->HCregaddr); | |
9882 | } | |
9883 | ||
9884 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
9885 | phba->work_ha |= HA_ERATT; |
9886 | /* Indicate polling handles this ERATT */ | |
9887 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
9888 | return 1; |
9889 | } | |
9890 | return 0; | |
9940b97b JS |
9891 | |
9892 | unplug_err: | |
9893 | /* Set the driver HS work bitmap */ | |
9894 | phba->work_hs |= UNPLUG_ERR; | |
9895 | /* Set the driver HA work bitmap */ | |
9896 | phba->work_ha |= HA_ERATT; | |
9897 | /* Indicate polling handles this ERATT */ | |
9898 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
9899 | return 1; | |
b4c02652 JS |
9900 | } |
9901 | ||
da0436e9 JS |
9902 | /** |
9903 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
9904 | * @phba: Pointer to HBA context. | |
9905 | * | |
9906 | * This function is called to read the SLI4 device error attention registers | |
9907 | * for possible error attention events. The caller must hold the hostlock | |
9908 | * with spin_lock_irq(). | |
9909 | * | |
25985edc | 9910 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
9911 | * Register and returns 0 otherwise. |
9912 | **/ | |
9913 | static int | |
9914 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
9915 | { | |
9916 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
9917 | uint32_t if_type, portsmphr; |
9918 | struct lpfc_register portstat_reg; | |
da0436e9 | 9919 | |
2fcee4bf JS |
9920 | /* |
9921 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
9922 | * registers for error attention. This can be changed later. |
9923 | */ | |
2fcee4bf JS |
9924 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
9925 | switch (if_type) { | |
9926 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
9927 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
9928 | &uerr_sta_lo) || | |
9929 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
9930 | &uerr_sta_hi)) { | |
9931 | phba->work_hs |= UNPLUG_ERR; | |
9932 | phba->work_ha |= HA_ERATT; | |
9933 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
9934 | return 1; | |
9935 | } | |
2fcee4bf JS |
9936 | if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
9937 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
9938 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9939 | "1423 HBA Unrecoverable error: " | |
9940 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
9941 | "ue_mask_lo_reg=0x%x, " | |
9942 | "ue_mask_hi_reg=0x%x\n", | |
9943 | uerr_sta_lo, uerr_sta_hi, | |
9944 | phba->sli4_hba.ue_mask_lo, | |
9945 | phba->sli4_hba.ue_mask_hi); | |
9946 | phba->work_status[0] = uerr_sta_lo; | |
9947 | phba->work_status[1] = uerr_sta_hi; | |
9948 | phba->work_ha |= HA_ERATT; | |
9949 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
9950 | return 1; | |
9951 | } | |
9952 | break; | |
9953 | case LPFC_SLI_INTF_IF_TYPE_2: | |
9940b97b JS |
9954 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
9955 | &portstat_reg.word0) || | |
9956 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
9957 | &portsmphr)){ | |
9958 | phba->work_hs |= UNPLUG_ERR; | |
9959 | phba->work_ha |= HA_ERATT; | |
9960 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
9961 | return 1; | |
9962 | } | |
2fcee4bf JS |
9963 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
9964 | phba->work_status[0] = | |
9965 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
9966 | phba->work_status[1] = | |
9967 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
9968 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2e90f4b5 | 9969 | "2885 Port Status Event: " |
2fcee4bf JS |
9970 | "port status reg 0x%x, " |
9971 | "port smphr reg 0x%x, " | |
9972 | "error 1=0x%x, error 2=0x%x\n", | |
9973 | portstat_reg.word0, | |
9974 | portsmphr, | |
9975 | phba->work_status[0], | |
9976 | phba->work_status[1]); | |
9977 | phba->work_ha |= HA_ERATT; | |
9978 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
9979 | return 1; | |
9980 | } | |
9981 | break; | |
9982 | case LPFC_SLI_INTF_IF_TYPE_1: | |
9983 | default: | |
a747c9ce | 9984 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
9985 | "2886 HBA Error Attention on unsupported " |
9986 | "if type %d.", if_type); | |
a747c9ce | 9987 | return 1; |
da0436e9 | 9988 | } |
2fcee4bf | 9989 | |
da0436e9 JS |
9990 | return 0; |
9991 | } | |
9992 | ||
e59058c4 | 9993 | /** |
3621a710 | 9994 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
9995 | * @phba: Pointer to HBA context. |
9996 | * | |
3772a991 | 9997 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
9998 | * error attention register bit for error attention events. |
9999 | * | |
25985edc | 10000 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
10001 | * Register and returns 0 otherwise. |
10002 | **/ | |
10003 | int | |
10004 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
10005 | { | |
10006 | uint32_t ha_copy; | |
10007 | ||
10008 | /* If somebody is waiting to handle an eratt, don't process it | |
10009 | * here. The brdkill function will do this. | |
10010 | */ | |
10011 | if (phba->link_flag & LS_IGNORE_ERATT) | |
10012 | return 0; | |
10013 | ||
10014 | /* Check if interrupt handler handles this ERATT */ | |
10015 | spin_lock_irq(&phba->hbalock); | |
10016 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
10017 | /* Interrupt handler has handled ERATT */ | |
10018 | spin_unlock_irq(&phba->hbalock); | |
10019 | return 0; | |
10020 | } | |
10021 | ||
a257bf90 JS |
10022 | /* |
10023 | * If there is deferred error attention, do not check for error | |
10024 | * attention | |
10025 | */ | |
10026 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
10027 | spin_unlock_irq(&phba->hbalock); | |
10028 | return 0; | |
10029 | } | |
10030 | ||
3772a991 JS |
10031 | /* If PCI channel is offline, don't process it */ |
10032 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 10033 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
10034 | return 0; |
10035 | } | |
10036 | ||
10037 | switch (phba->sli_rev) { | |
10038 | case LPFC_SLI_REV2: | |
10039 | case LPFC_SLI_REV3: | |
10040 | /* Read chip Host Attention (HA) register */ | |
10041 | ha_copy = lpfc_sli_eratt_read(phba); | |
10042 | break; | |
da0436e9 | 10043 | case LPFC_SLI_REV4: |
2fcee4bf | 10044 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
10045 | ha_copy = lpfc_sli4_eratt_read(phba); |
10046 | break; | |
3772a991 JS |
10047 | default: |
10048 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10049 | "0299 Invalid SLI revision (%d)\n", | |
10050 | phba->sli_rev); | |
10051 | ha_copy = 0; | |
10052 | break; | |
9399627f JS |
10053 | } |
10054 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
10055 | |
10056 | return ha_copy; | |
10057 | } | |
10058 | ||
10059 | /** | |
10060 | * lpfc_intr_state_check - Check device state for interrupt handling | |
10061 | * @phba: Pointer to HBA context. | |
10062 | * | |
10063 | * This inline routine checks whether a device or its PCI slot is in a state | |
10064 | * that the interrupt should be handled. | |
10065 | * | |
10066 | * This function returns 0 if the device or the PCI slot is in a state that | |
10067 | * interrupt should be handled, otherwise -EIO. | |
10068 | */ | |
10069 | static inline int | |
10070 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
10071 | { | |
10072 | /* If the pci channel is offline, ignore all the interrupts */ | |
10073 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
10074 | return -EIO; | |
10075 | ||
10076 | /* Update device level interrupt statistics */ | |
10077 | phba->sli.slistat.sli_intr++; | |
10078 | ||
10079 | /* Ignore all interrupts during initialization. */ | |
10080 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
10081 | return -EIO; | |
10082 | ||
9399627f JS |
10083 | return 0; |
10084 | } | |
10085 | ||
10086 | /** | |
3772a991 | 10087 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
10088 | * @irq: Interrupt number. |
10089 | * @dev_id: The device context pointer. | |
10090 | * | |
9399627f | 10091 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
10092 | * service routine when device with SLI-3 interface spec is enabled with |
10093 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
10094 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
10095 | * interrupt mode, this function is called as part of the device-level | |
10096 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
10097 | * is undergoing initialization, the interrupt handler will not process | |
10098 | * the interrupt. The link attention and ELS ring attention events are | |
10099 | * handled by the worker thread. The interrupt handler signals the worker | |
10100 | * thread and returns for these events. This function is called without | |
10101 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
10102 | * structures. |
10103 | * | |
10104 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
10105 | * returns IRQ_NONE. | |
e59058c4 | 10106 | **/ |
dea3101e | 10107 | irqreturn_t |
3772a991 | 10108 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 10109 | { |
2e0fef85 | 10110 | struct lpfc_hba *phba; |
a747c9ce | 10111 | uint32_t ha_copy, hc_copy; |
dea3101e JB |
10112 | uint32_t work_ha_copy; |
10113 | unsigned long status; | |
5b75da2f | 10114 | unsigned long iflag; |
dea3101e JB |
10115 | uint32_t control; |
10116 | ||
92d7f7b0 | 10117 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
10118 | struct lpfc_vport *vport; |
10119 | struct lpfc_nodelist *ndlp; | |
10120 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
10121 | LPFC_MBOXQ_t *pmb; |
10122 | int rc; | |
10123 | ||
dea3101e JB |
10124 | /* |
10125 | * Get the driver's phba structure from the dev_id and | |
10126 | * assume the HBA is not interrupting. | |
10127 | */ | |
9399627f | 10128 | phba = (struct lpfc_hba *)dev_id; |
dea3101e JB |
10129 | |
10130 | if (unlikely(!phba)) | |
10131 | return IRQ_NONE; | |
10132 | ||
dea3101e | 10133 | /* |
9399627f JS |
10134 | * Stuff needs to be attented to when this function is invoked as an |
10135 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 10136 | */ |
9399627f | 10137 | if (phba->intr_type == MSIX) { |
3772a991 JS |
10138 | /* Check device state for handling interrupt */ |
10139 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
10140 | return IRQ_NONE; |
10141 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 10142 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
10143 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
10144 | goto unplug_error; | |
9399627f JS |
10145 | /* If somebody is waiting to handle an eratt don't process it |
10146 | * here. The brdkill function will do this. | |
10147 | */ | |
10148 | if (phba->link_flag & LS_IGNORE_ERATT) | |
10149 | ha_copy &= ~HA_ERATT; | |
10150 | /* Check the need for handling ERATT in interrupt handler */ | |
10151 | if (ha_copy & HA_ERATT) { | |
10152 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
10153 | /* ERATT polling has handled ERATT */ | |
10154 | ha_copy &= ~HA_ERATT; | |
10155 | else | |
10156 | /* Indicate interrupt handler handles ERATT */ | |
10157 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
10158 | } | |
a257bf90 JS |
10159 | |
10160 | /* | |
10161 | * If there is deferred error attention, do not check for any | |
10162 | * interrupt. | |
10163 | */ | |
10164 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 10165 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
10166 | return IRQ_NONE; |
10167 | } | |
10168 | ||
9399627f | 10169 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
10170 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
10171 | goto unplug_error; | |
10172 | ||
a747c9ce JS |
10173 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
10174 | HC_LAINT_ENA | HC_ERINT_ENA), | |
10175 | phba->HCregaddr); | |
9399627f JS |
10176 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
10177 | phba->HAregaddr); | |
a747c9ce | 10178 | writel(hc_copy, phba->HCregaddr); |
9399627f | 10179 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 10180 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
10181 | } else |
10182 | ha_copy = phba->ha_copy; | |
dea3101e | 10183 | |
dea3101e JB |
10184 | work_ha_copy = ha_copy & phba->work_ha_mask; |
10185 | ||
9399627f | 10186 | if (work_ha_copy) { |
dea3101e JB |
10187 | if (work_ha_copy & HA_LATT) { |
10188 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
10189 | /* | |
10190 | * Turn off Link Attention interrupts | |
10191 | * until CLEAR_LA done | |
10192 | */ | |
5b75da2f | 10193 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 10194 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
10195 | if (lpfc_readl(phba->HCregaddr, &control)) |
10196 | goto unplug_error; | |
dea3101e JB |
10197 | control &= ~HC_LAINT_ENA; |
10198 | writel(control, phba->HCregaddr); | |
10199 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 10200 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
10201 | } |
10202 | else | |
10203 | work_ha_copy &= ~HA_LATT; | |
10204 | } | |
10205 | ||
9399627f | 10206 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
10207 | /* |
10208 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
10209 | * the only slow ring. | |
10210 | */ | |
10211 | status = (work_ha_copy & | |
10212 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
10213 | status >>= (4*LPFC_ELS_RING); | |
10214 | if (status & HA_RXMASK) { | |
5b75da2f | 10215 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
10216 | if (lpfc_readl(phba->HCregaddr, &control)) |
10217 | goto unplug_error; | |
a58cbd52 JS |
10218 | |
10219 | lpfc_debugfs_slow_ring_trc(phba, | |
10220 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
10221 | control, status, | |
10222 | (uint32_t)phba->sli.slistat.sli_intr); | |
10223 | ||
858c9f6c | 10224 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
10225 | lpfc_debugfs_slow_ring_trc(phba, |
10226 | "ISR Disable ring:" | |
10227 | "pwork:x%x hawork:x%x wait:x%x", | |
10228 | phba->work_ha, work_ha_copy, | |
10229 | (uint32_t)((unsigned long) | |
5e9d9b82 | 10230 | &phba->work_waitq)); |
a58cbd52 | 10231 | |
858c9f6c JS |
10232 | control &= |
10233 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
10234 | writel(control, phba->HCregaddr); |
10235 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 10236 | } |
a58cbd52 JS |
10237 | else { |
10238 | lpfc_debugfs_slow_ring_trc(phba, | |
10239 | "ISR slow ring: pwork:" | |
10240 | "x%x hawork:x%x wait:x%x", | |
10241 | phba->work_ha, work_ha_copy, | |
10242 | (uint32_t)((unsigned long) | |
5e9d9b82 | 10243 | &phba->work_waitq)); |
a58cbd52 | 10244 | } |
5b75da2f | 10245 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
10246 | } |
10247 | } | |
5b75da2f | 10248 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 10249 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
10250 | if (lpfc_sli_read_hs(phba)) |
10251 | goto unplug_error; | |
a257bf90 JS |
10252 | /* |
10253 | * Check if there is a deferred error condition | |
10254 | * is active | |
10255 | */ | |
10256 | if ((HS_FFER1 & phba->work_hs) && | |
10257 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
10258 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
10259 | phba->work_hs)) { | |
a257bf90 JS |
10260 | phba->hba_flag |= DEFER_ERATT; |
10261 | /* Clear all interrupt enable conditions */ | |
10262 | writel(0, phba->HCregaddr); | |
10263 | readl(phba->HCregaddr); | |
10264 | } | |
10265 | } | |
10266 | ||
9399627f | 10267 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 10268 | pmb = phba->sli.mbox_active; |
04c68496 | 10269 | pmbox = &pmb->u.mb; |
34b02dcd | 10270 | mbox = phba->mbox; |
858c9f6c | 10271 | vport = pmb->vport; |
92d7f7b0 JS |
10272 | |
10273 | /* First check out the status word */ | |
10274 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
10275 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 10276 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
10277 | /* |
10278 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
10279 | * mbxStatus <status> | |
10280 | */ | |
09372820 | 10281 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 10282 | LOG_SLI, |
e8b62011 | 10283 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
10284 | "Interrupt mbxCommand x%x " |
10285 | "mbxStatus x%x\n", | |
e8b62011 | 10286 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
10287 | pmbox->mbxCommand, |
10288 | pmbox->mbxStatus); | |
09372820 JS |
10289 | /* clear mailbox attention bit */ |
10290 | work_ha_copy &= ~HA_MBATT; | |
10291 | } else { | |
97eab634 | 10292 | phba->sli.mbox_active = NULL; |
5b75da2f | 10293 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
10294 | phba->last_completion_time = jiffies; |
10295 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
10296 | if (pmb->mbox_cmpl) { |
10297 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
10298 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
10299 | if (pmb->out_ext_byte_len && |
10300 | pmb->context2) | |
10301 | lpfc_sli_pcimem_bcopy( | |
10302 | phba->mbox_ext, | |
10303 | pmb->context2, | |
10304 | pmb->out_ext_byte_len); | |
09372820 JS |
10305 | } |
10306 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
10307 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
10308 | ||
10309 | lpfc_debugfs_disc_trc(vport, | |
10310 | LPFC_DISC_TRC_MBOX_VPORT, | |
10311 | "MBOX dflt rpi: : " | |
10312 | "status:x%x rpi:x%x", | |
10313 | (uint32_t)pmbox->mbxStatus, | |
10314 | pmbox->un.varWords[0], 0); | |
10315 | ||
10316 | if (!pmbox->mbxStatus) { | |
10317 | mp = (struct lpfc_dmabuf *) | |
10318 | (pmb->context1); | |
10319 | ndlp = (struct lpfc_nodelist *) | |
10320 | pmb->context2; | |
10321 | ||
10322 | /* Reg_LOGIN of dflt RPI was | |
10323 | * successful. new lets get | |
10324 | * rid of the RPI using the | |
10325 | * same mbox buffer. | |
10326 | */ | |
10327 | lpfc_unreg_login(phba, | |
10328 | vport->vpi, | |
10329 | pmbox->un.varWords[0], | |
10330 | pmb); | |
10331 | pmb->mbox_cmpl = | |
10332 | lpfc_mbx_cmpl_dflt_rpi; | |
10333 | pmb->context1 = mp; | |
10334 | pmb->context2 = ndlp; | |
10335 | pmb->vport = vport; | |
58da1ffb JS |
10336 | rc = lpfc_sli_issue_mbox(phba, |
10337 | pmb, | |
10338 | MBX_NOWAIT); | |
10339 | if (rc != MBX_BUSY) | |
10340 | lpfc_printf_log(phba, | |
10341 | KERN_ERR, | |
10342 | LOG_MBOX | LOG_SLI, | |
d7c255b2 | 10343 | "0350 rc should have" |
6a9c52cf | 10344 | "been MBX_BUSY\n"); |
3772a991 JS |
10345 | if (rc != MBX_NOT_FINISHED) |
10346 | goto send_current_mbox; | |
09372820 | 10347 | } |
858c9f6c | 10348 | } |
5b75da2f JS |
10349 | spin_lock_irqsave( |
10350 | &phba->pport->work_port_lock, | |
10351 | iflag); | |
09372820 JS |
10352 | phba->pport->work_port_events &= |
10353 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
10354 | spin_unlock_irqrestore( |
10355 | &phba->pport->work_port_lock, | |
10356 | iflag); | |
09372820 | 10357 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 10358 | } |
97eab634 | 10359 | } else |
5b75da2f | 10360 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 10361 | |
92d7f7b0 JS |
10362 | if ((work_ha_copy & HA_MBATT) && |
10363 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 10364 | send_current_mbox: |
92d7f7b0 | 10365 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
10366 | do { |
10367 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
10368 | MBX_NOWAIT); | |
10369 | } while (rc == MBX_NOT_FINISHED); | |
10370 | if (rc != MBX_SUCCESS) | |
10371 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
10372 | LOG_SLI, "0349 rc should be " | |
6a9c52cf | 10373 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
10374 | } |
10375 | ||
5b75da2f | 10376 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 10377 | phba->work_ha |= work_ha_copy; |
5b75da2f | 10378 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 10379 | lpfc_worker_wake_up(phba); |
dea3101e | 10380 | } |
9399627f | 10381 | return IRQ_HANDLED; |
9940b97b JS |
10382 | unplug_error: |
10383 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10384 | return IRQ_HANDLED; | |
dea3101e | 10385 | |
3772a991 | 10386 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
10387 | |
10388 | /** | |
3772a991 | 10389 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
10390 | * @irq: Interrupt number. |
10391 | * @dev_id: The device context pointer. | |
10392 | * | |
10393 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
10394 | * service routine when device with SLI-3 interface spec is enabled with |
10395 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
10396 | * ring event in the HBA. However, when the device is enabled with either | |
10397 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
10398 | * device-level interrupt handler. When the PCI slot is in error recovery | |
10399 | * or the HBA is undergoing initialization, the interrupt handler will not | |
10400 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
10401 | * the intrrupt context. This function is called without any lock held. | |
10402 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
10403 | * |
10404 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
10405 | * returns IRQ_NONE. | |
10406 | **/ | |
10407 | irqreturn_t | |
3772a991 | 10408 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
10409 | { |
10410 | struct lpfc_hba *phba; | |
10411 | uint32_t ha_copy; | |
10412 | unsigned long status; | |
5b75da2f | 10413 | unsigned long iflag; |
9399627f JS |
10414 | |
10415 | /* Get the driver's phba structure from the dev_id and | |
10416 | * assume the HBA is not interrupting. | |
10417 | */ | |
10418 | phba = (struct lpfc_hba *) dev_id; | |
10419 | ||
10420 | if (unlikely(!phba)) | |
10421 | return IRQ_NONE; | |
10422 | ||
10423 | /* | |
10424 | * Stuff needs to be attented to when this function is invoked as an | |
10425 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
10426 | */ | |
10427 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
10428 | /* Check device state for handling interrupt */ |
10429 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
10430 | return IRQ_NONE; |
10431 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
10432 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
10433 | return IRQ_HANDLED; | |
9399627f | 10434 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 10435 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
10436 | /* |
10437 | * If there is deferred error attention, do not check for | |
10438 | * any interrupt. | |
10439 | */ | |
10440 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 10441 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
10442 | return IRQ_NONE; |
10443 | } | |
9399627f JS |
10444 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
10445 | phba->HAregaddr); | |
10446 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 10447 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
10448 | } else |
10449 | ha_copy = phba->ha_copy; | |
dea3101e JB |
10450 | |
10451 | /* | |
9399627f | 10452 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 10453 | */ |
9399627f JS |
10454 | ha_copy &= ~(phba->work_ha_mask); |
10455 | ||
10456 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 10457 | status >>= (4*LPFC_FCP_RING); |
858c9f6c | 10458 | if (status & HA_RXMASK) |
dea3101e JB |
10459 | lpfc_sli_handle_fast_ring_event(phba, |
10460 | &phba->sli.ring[LPFC_FCP_RING], | |
10461 | status); | |
a4bc3379 JS |
10462 | |
10463 | if (phba->cfg_multi_ring_support == 2) { | |
10464 | /* | |
9399627f JS |
10465 | * Process all events on extra ring. Take the optimized path |
10466 | * for extra ring IO. | |
a4bc3379 | 10467 | */ |
9399627f | 10468 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 10469 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 10470 | if (status & HA_RXMASK) { |
a4bc3379 JS |
10471 | lpfc_sli_handle_fast_ring_event(phba, |
10472 | &phba->sli.ring[LPFC_EXTRA_RING], | |
10473 | status); | |
10474 | } | |
10475 | } | |
dea3101e | 10476 | return IRQ_HANDLED; |
3772a991 | 10477 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
10478 | |
10479 | /** | |
3772a991 | 10480 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
10481 | * @irq: Interrupt number. |
10482 | * @dev_id: The device context pointer. | |
10483 | * | |
3772a991 JS |
10484 | * This function is the HBA device-level interrupt handler to device with |
10485 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
10486 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
10487 | * requires driver attention. This function invokes the slow-path interrupt | |
10488 | * attention handling function and fast-path interrupt attention handling | |
10489 | * function in turn to process the relevant HBA attention events. This | |
10490 | * function is called without any lock held. It gets the hbalock to access | |
10491 | * and update SLI data structures. | |
9399627f JS |
10492 | * |
10493 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
10494 | * returns IRQ_NONE. | |
10495 | **/ | |
10496 | irqreturn_t | |
3772a991 | 10497 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
10498 | { |
10499 | struct lpfc_hba *phba; | |
10500 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
10501 | unsigned long status1, status2; | |
a747c9ce | 10502 | uint32_t hc_copy; |
9399627f JS |
10503 | |
10504 | /* | |
10505 | * Get the driver's phba structure from the dev_id and | |
10506 | * assume the HBA is not interrupting. | |
10507 | */ | |
10508 | phba = (struct lpfc_hba *) dev_id; | |
10509 | ||
10510 | if (unlikely(!phba)) | |
10511 | return IRQ_NONE; | |
10512 | ||
3772a991 JS |
10513 | /* Check device state for handling interrupt */ |
10514 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
10515 | return IRQ_NONE; |
10516 | ||
10517 | spin_lock(&phba->hbalock); | |
9940b97b JS |
10518 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
10519 | spin_unlock(&phba->hbalock); | |
10520 | return IRQ_HANDLED; | |
10521 | } | |
10522 | ||
9399627f JS |
10523 | if (unlikely(!phba->ha_copy)) { |
10524 | spin_unlock(&phba->hbalock); | |
10525 | return IRQ_NONE; | |
10526 | } else if (phba->ha_copy & HA_ERATT) { | |
10527 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
10528 | /* ERATT polling has handled ERATT */ | |
10529 | phba->ha_copy &= ~HA_ERATT; | |
10530 | else | |
10531 | /* Indicate interrupt handler handles ERATT */ | |
10532 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
10533 | } | |
10534 | ||
a257bf90 JS |
10535 | /* |
10536 | * If there is deferred error attention, do not check for any interrupt. | |
10537 | */ | |
10538 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 10539 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
10540 | return IRQ_NONE; |
10541 | } | |
10542 | ||
9399627f | 10543 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
10544 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
10545 | spin_unlock(&phba->hbalock); | |
10546 | return IRQ_HANDLED; | |
10547 | } | |
a747c9ce JS |
10548 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
10549 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
10550 | phba->HCregaddr); | |
9399627f | 10551 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 10552 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
10553 | readl(phba->HAregaddr); /* flush */ |
10554 | spin_unlock(&phba->hbalock); | |
10555 | ||
10556 | /* | |
10557 | * Invokes slow-path host attention interrupt handling as appropriate. | |
10558 | */ | |
10559 | ||
10560 | /* status of events with mailbox and link attention */ | |
10561 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
10562 | ||
10563 | /* status of events with ELS ring */ | |
10564 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
10565 | status2 >>= (4*LPFC_ELS_RING); | |
10566 | ||
10567 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 10568 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
10569 | else |
10570 | sp_irq_rc = IRQ_NONE; | |
10571 | ||
10572 | /* | |
10573 | * Invoke fast-path host attention interrupt handling as appropriate. | |
10574 | */ | |
10575 | ||
10576 | /* status of events with FCP ring */ | |
10577 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
10578 | status1 >>= (4*LPFC_FCP_RING); | |
10579 | ||
10580 | /* status of events with extra ring */ | |
10581 | if (phba->cfg_multi_ring_support == 2) { | |
10582 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
10583 | status2 >>= (4*LPFC_EXTRA_RING); | |
10584 | } else | |
10585 | status2 = 0; | |
10586 | ||
10587 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 10588 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
10589 | else |
10590 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 10591 | |
9399627f JS |
10592 | /* Return device-level interrupt handling status */ |
10593 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 10594 | } /* lpfc_sli_intr_handler */ |
4f774513 JS |
10595 | |
10596 | /** | |
10597 | * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event | |
10598 | * @phba: pointer to lpfc hba data structure. | |
10599 | * | |
10600 | * This routine is invoked by the worker thread to process all the pending | |
10601 | * SLI4 FCP abort XRI events. | |
10602 | **/ | |
10603 | void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *phba) | |
10604 | { | |
10605 | struct lpfc_cq_event *cq_event; | |
10606 | ||
10607 | /* First, declare the fcp xri abort event has been handled */ | |
10608 | spin_lock_irq(&phba->hbalock); | |
10609 | phba->hba_flag &= ~FCP_XRI_ABORT_EVENT; | |
10610 | spin_unlock_irq(&phba->hbalock); | |
10611 | /* Now, handle all the fcp xri abort events */ | |
10612 | while (!list_empty(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue)) { | |
10613 | /* Get the first event from the head of the event queue */ | |
10614 | spin_lock_irq(&phba->hbalock); | |
10615 | list_remove_head(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
10616 | cq_event, struct lpfc_cq_event, list); | |
10617 | spin_unlock_irq(&phba->hbalock); | |
10618 | /* Notify aborted XRI for FCP work queue */ | |
10619 | lpfc_sli4_fcp_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
10620 | /* Free the event processed back to the free pool */ | |
10621 | lpfc_sli4_cq_event_release(phba, cq_event); | |
10622 | } | |
10623 | } | |
10624 | ||
10625 | /** | |
10626 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event | |
10627 | * @phba: pointer to lpfc hba data structure. | |
10628 | * | |
10629 | * This routine is invoked by the worker thread to process all the pending | |
10630 | * SLI4 els abort xri events. | |
10631 | **/ | |
10632 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) | |
10633 | { | |
10634 | struct lpfc_cq_event *cq_event; | |
10635 | ||
10636 | /* First, declare the els xri abort event has been handled */ | |
10637 | spin_lock_irq(&phba->hbalock); | |
10638 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; | |
10639 | spin_unlock_irq(&phba->hbalock); | |
10640 | /* Now, handle all the els xri abort events */ | |
10641 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
10642 | /* Get the first event from the head of the event queue */ | |
10643 | spin_lock_irq(&phba->hbalock); | |
10644 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
10645 | cq_event, struct lpfc_cq_event, list); | |
10646 | spin_unlock_irq(&phba->hbalock); | |
10647 | /* Notify aborted XRI for ELS work queue */ | |
10648 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
10649 | /* Free the event processed back to the free pool */ | |
10650 | lpfc_sli4_cq_event_release(phba, cq_event); | |
10651 | } | |
10652 | } | |
10653 | ||
341af102 JS |
10654 | /** |
10655 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
10656 | * @phba: pointer to lpfc hba data structure | |
10657 | * @pIocbIn: pointer to the rspiocbq | |
10658 | * @pIocbOut: pointer to the cmdiocbq | |
10659 | * @wcqe: pointer to the complete wcqe | |
10660 | * | |
10661 | * This routine transfers the fields of a command iocbq to a response iocbq | |
10662 | * by copying all the IOCB fields from command iocbq and transferring the | |
10663 | * completion status information from the complete wcqe. | |
10664 | **/ | |
4f774513 | 10665 | static void |
341af102 JS |
10666 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
10667 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
10668 | struct lpfc_iocbq *pIocbOut, |
10669 | struct lpfc_wcqe_complete *wcqe) | |
10670 | { | |
341af102 | 10671 | unsigned long iflags; |
acd6859b | 10672 | uint32_t status; |
4f774513 JS |
10673 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
10674 | ||
10675 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
10676 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 10677 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
10678 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
10679 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
10680 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
10681 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
10682 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
10683 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
10684 | wcqe->total_data_placed; | |
10685 | else | |
10686 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 10687 | else { |
4f774513 | 10688 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
695a814e JS |
10689 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed; |
10690 | } | |
341af102 | 10691 | |
acd6859b JS |
10692 | /* Convert BG errors for completion status */ |
10693 | if (status == CQE_STATUS_DI_ERROR) { | |
10694 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
10695 | ||
10696 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
10697 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
10698 | else | |
10699 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
10700 | ||
10701 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
10702 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
10703 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
10704 | BGS_GUARD_ERR_MASK; | |
10705 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
10706 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
10707 | BGS_APPTAG_ERR_MASK; | |
10708 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
10709 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
10710 | BGS_REFTAG_ERR_MASK; | |
10711 | ||
10712 | /* Check to see if there was any good data before the error */ | |
10713 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
10714 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
10715 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
10716 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
10717 | wcqe->total_data_placed; | |
10718 | } | |
10719 | ||
10720 | /* | |
10721 | * Set ALL the error bits to indicate we don't know what | |
10722 | * type of error it is. | |
10723 | */ | |
10724 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
10725 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
10726 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
10727 | BGS_GUARD_ERR_MASK); | |
10728 | } | |
10729 | ||
341af102 JS |
10730 | /* Pick up HBA exchange busy condition */ |
10731 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
10732 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10733 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
10734 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10735 | } | |
4f774513 JS |
10736 | } |
10737 | ||
45ed1190 JS |
10738 | /** |
10739 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
10740 | * @phba: Pointer to HBA context object. | |
10741 | * @wcqe: Pointer to work-queue completion queue entry. | |
10742 | * | |
10743 | * This routine handles an ELS work-queue completion event and construct | |
10744 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
10745 | * discovery engine to handle. | |
10746 | * | |
10747 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
10748 | **/ | |
10749 | static struct lpfc_iocbq * | |
10750 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
10751 | struct lpfc_iocbq *irspiocbq) | |
10752 | { | |
10753 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
10754 | struct lpfc_iocbq *cmdiocbq; | |
10755 | struct lpfc_wcqe_complete *wcqe; | |
10756 | unsigned long iflags; | |
10757 | ||
10758 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; | |
10759 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10760 | pring->stats.iocb_event++; | |
10761 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
10762 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
10763 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
10764 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10765 | ||
10766 | if (unlikely(!cmdiocbq)) { | |
10767 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10768 | "0386 ELS complete with no corresponding " | |
10769 | "cmdiocb: iotag (%d)\n", | |
10770 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
10771 | lpfc_sli_release_iocbq(phba, irspiocbq); | |
10772 | return NULL; | |
10773 | } | |
10774 | ||
10775 | /* Fake the irspiocbq and copy necessary response information */ | |
341af102 | 10776 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
10777 | |
10778 | return irspiocbq; | |
10779 | } | |
10780 | ||
04c68496 JS |
10781 | /** |
10782 | * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event | |
10783 | * @phba: Pointer to HBA context object. | |
10784 | * @cqe: Pointer to mailbox completion queue entry. | |
10785 | * | |
10786 | * This routine process a mailbox completion queue entry with asynchrous | |
10787 | * event. | |
10788 | * | |
10789 | * Return: true if work posted to worker thread, otherwise false. | |
10790 | **/ | |
10791 | static bool | |
10792 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
10793 | { | |
10794 | struct lpfc_cq_event *cq_event; | |
10795 | unsigned long iflags; | |
10796 | ||
10797 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
10798 | "0392 Async Event: word0:x%x, word1:x%x, " | |
10799 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
10800 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
10801 | ||
10802 | /* Allocate a new internal CQ_EVENT entry */ | |
10803 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
10804 | if (!cq_event) { | |
10805 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
10806 | "0394 Failed to allocate CQ_EVENT entry\n"); | |
10807 | return false; | |
10808 | } | |
10809 | ||
10810 | /* Move the CQE into an asynchronous event entry */ | |
10811 | memcpy(&cq_event->cqe, mcqe, sizeof(struct lpfc_mcqe)); | |
10812 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10813 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
10814 | /* Set the async event flag */ | |
10815 | phba->hba_flag |= ASYNC_EVENT; | |
10816 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10817 | ||
10818 | return true; | |
10819 | } | |
10820 | ||
10821 | /** | |
10822 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
10823 | * @phba: Pointer to HBA context object. | |
10824 | * @cqe: Pointer to mailbox completion queue entry. | |
10825 | * | |
10826 | * This routine process a mailbox completion queue entry with mailbox | |
10827 | * completion event. | |
10828 | * | |
10829 | * Return: true if work posted to worker thread, otherwise false. | |
10830 | **/ | |
10831 | static bool | |
10832 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
10833 | { | |
10834 | uint32_t mcqe_status; | |
10835 | MAILBOX_t *mbox, *pmbox; | |
10836 | struct lpfc_mqe *mqe; | |
10837 | struct lpfc_vport *vport; | |
10838 | struct lpfc_nodelist *ndlp; | |
10839 | struct lpfc_dmabuf *mp; | |
10840 | unsigned long iflags; | |
10841 | LPFC_MBOXQ_t *pmb; | |
10842 | bool workposted = false; | |
10843 | int rc; | |
10844 | ||
10845 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
10846 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
10847 | goto out_no_mqe_complete; | |
10848 | ||
10849 | /* Get the reference to the active mbox command */ | |
10850 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10851 | pmb = phba->sli.mbox_active; | |
10852 | if (unlikely(!pmb)) { | |
10853 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
10854 | "1832 No pending MBOX command to handle\n"); | |
10855 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10856 | goto out_no_mqe_complete; | |
10857 | } | |
10858 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10859 | mqe = &pmb->u.mqe; | |
10860 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
10861 | mbox = phba->mbox; | |
10862 | vport = pmb->vport; | |
10863 | ||
10864 | /* Reset heartbeat timer */ | |
10865 | phba->last_completion_time = jiffies; | |
10866 | del_timer(&phba->sli.mbox_tmo); | |
10867 | ||
10868 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
10869 | if (pmb->mbox_cmpl && mbox) | |
10870 | lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); | |
04c68496 | 10871 | |
73d91e50 JS |
10872 | /* |
10873 | * For mcqe errors, conditionally move a modified error code to | |
10874 | * the mbox so that the error will not be missed. | |
10875 | */ | |
10876 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
10877 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
10878 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
10879 | bf_set(lpfc_mqe_status, mqe, | |
10880 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
10881 | } | |
04c68496 JS |
10882 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
10883 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
10884 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
10885 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
10886 | mcqe_status, | |
10887 | pmbox->un.varWords[0], 0); | |
10888 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
10889 | mp = (struct lpfc_dmabuf *)(pmb->context1); | |
10890 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
10891 | /* Reg_LOGIN of dflt RPI was successful. Now lets get | |
10892 | * RID of the PPI using the same mbox buffer. | |
10893 | */ | |
10894 | lpfc_unreg_login(phba, vport->vpi, | |
10895 | pmbox->un.varWords[0], pmb); | |
10896 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
10897 | pmb->context1 = mp; | |
10898 | pmb->context2 = ndlp; | |
10899 | pmb->vport = vport; | |
10900 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
10901 | if (rc != MBX_BUSY) | |
10902 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
10903 | LOG_SLI, "0385 rc should " | |
10904 | "have been MBX_BUSY\n"); | |
10905 | if (rc != MBX_NOT_FINISHED) | |
10906 | goto send_current_mbox; | |
10907 | } | |
10908 | } | |
10909 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
10910 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
10911 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
10912 | ||
10913 | /* There is mailbox completion work to do */ | |
10914 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10915 | __lpfc_mbox_cmpl_put(phba, pmb); | |
10916 | phba->work_ha |= HA_MBATT; | |
10917 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10918 | workposted = true; | |
10919 | ||
10920 | send_current_mbox: | |
10921 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10922 | /* Release the mailbox command posting token */ | |
10923 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10924 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
10925 | phba->sli.mbox_active = NULL; | |
10926 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10927 | /* Wake up worker thread to post the next pending mailbox command */ | |
10928 | lpfc_worker_wake_up(phba); | |
10929 | out_no_mqe_complete: | |
10930 | if (bf_get(lpfc_trailer_consumed, mcqe)) | |
10931 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
10932 | return workposted; | |
10933 | } | |
10934 | ||
10935 | /** | |
10936 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
10937 | * @phba: Pointer to HBA context object. | |
10938 | * @cqe: Pointer to mailbox completion queue entry. | |
10939 | * | |
10940 | * This routine process a mailbox completion queue entry, it invokes the | |
10941 | * proper mailbox complete handling or asynchrous event handling routine | |
10942 | * according to the MCQE's async bit. | |
10943 | * | |
10944 | * Return: true if work posted to worker thread, otherwise false. | |
10945 | **/ | |
10946 | static bool | |
10947 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_cqe *cqe) | |
10948 | { | |
10949 | struct lpfc_mcqe mcqe; | |
10950 | bool workposted; | |
10951 | ||
10952 | /* Copy the mailbox MCQE and convert endian order as needed */ | |
10953 | lpfc_sli_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); | |
10954 | ||
10955 | /* Invoke the proper event handling routine */ | |
10956 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
10957 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
10958 | else | |
10959 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
10960 | return workposted; | |
10961 | } | |
10962 | ||
4f774513 JS |
10963 | /** |
10964 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
10965 | * @phba: Pointer to HBA context object. | |
10966 | * @wcqe: Pointer to work-queue completion queue entry. | |
10967 | * | |
10968 | * This routine handles an ELS work-queue completion event. | |
10969 | * | |
10970 | * Return: true if work posted to worker thread, otherwise false. | |
10971 | **/ | |
10972 | static bool | |
10973 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, | |
10974 | struct lpfc_wcqe_complete *wcqe) | |
10975 | { | |
4f774513 JS |
10976 | struct lpfc_iocbq *irspiocbq; |
10977 | unsigned long iflags; | |
2a9bf3d0 | 10978 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_FCP_RING]; |
4f774513 | 10979 | |
45ed1190 | 10980 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
10981 | irspiocbq = lpfc_sli_get_iocbq(phba); |
10982 | if (!irspiocbq) { | |
10983 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2a9bf3d0 JS |
10984 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
10985 | "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n", | |
10986 | pring->txq_cnt, phba->iocb_cnt, | |
10987 | phba->sli.ring[LPFC_FCP_RING].txcmplq_cnt, | |
10988 | phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt); | |
45ed1190 | 10989 | return false; |
4f774513 | 10990 | } |
4f774513 | 10991 | |
45ed1190 JS |
10992 | /* Save off the slow-path queue event for work thread to process */ |
10993 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 10994 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 10995 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
10996 | &phba->sli4_hba.sp_queue_event); |
10997 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 10998 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 10999 | |
45ed1190 | 11000 | return true; |
4f774513 JS |
11001 | } |
11002 | ||
11003 | /** | |
11004 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
11005 | * @phba: Pointer to HBA context object. | |
11006 | * @wcqe: Pointer to work-queue completion queue entry. | |
11007 | * | |
11008 | * This routine handles slow-path WQ entry comsumed event by invoking the | |
11009 | * proper WQ release routine to the slow-path WQ. | |
11010 | **/ | |
11011 | static void | |
11012 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
11013 | struct lpfc_wcqe_release *wcqe) | |
11014 | { | |
2e90f4b5 JS |
11015 | /* sanity check on queue memory */ |
11016 | if (unlikely(!phba->sli4_hba.els_wq)) | |
11017 | return; | |
4f774513 JS |
11018 | /* Check for the slow-path ELS work queue */ |
11019 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
11020 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
11021 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
11022 | else | |
11023 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11024 | "2579 Slow-path wqe consume event carries " | |
11025 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
11026 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
11027 | phba->sli4_hba.els_wq->queue_id); | |
11028 | } | |
11029 | ||
11030 | /** | |
11031 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
11032 | * @phba: Pointer to HBA context object. | |
11033 | * @cq: Pointer to a WQ completion queue. | |
11034 | * @wcqe: Pointer to work-queue completion queue entry. | |
11035 | * | |
11036 | * This routine handles an XRI abort event. | |
11037 | * | |
11038 | * Return: true if work posted to worker thread, otherwise false. | |
11039 | **/ | |
11040 | static bool | |
11041 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
11042 | struct lpfc_queue *cq, | |
11043 | struct sli4_wcqe_xri_aborted *wcqe) | |
11044 | { | |
11045 | bool workposted = false; | |
11046 | struct lpfc_cq_event *cq_event; | |
11047 | unsigned long iflags; | |
11048 | ||
11049 | /* Allocate a new internal CQ_EVENT entry */ | |
11050 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
11051 | if (!cq_event) { | |
11052 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11053 | "0602 Failed to allocate CQ_EVENT entry\n"); | |
11054 | return false; | |
11055 | } | |
11056 | ||
11057 | /* Move the CQE into the proper xri abort event list */ | |
11058 | memcpy(&cq_event->cqe, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
11059 | switch (cq->subtype) { | |
11060 | case LPFC_FCP: | |
11061 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11062 | list_add_tail(&cq_event->list, | |
11063 | &phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
11064 | /* Set the fcp xri abort event flag */ | |
11065 | phba->hba_flag |= FCP_XRI_ABORT_EVENT; | |
11066 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11067 | workposted = true; | |
11068 | break; | |
11069 | case LPFC_ELS: | |
11070 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11071 | list_add_tail(&cq_event->list, | |
11072 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
11073 | /* Set the els xri abort event flag */ | |
11074 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
11075 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11076 | workposted = true; | |
11077 | break; | |
11078 | default: | |
11079 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11080 | "0603 Invalid work queue CQE subtype (x%x)\n", | |
11081 | cq->subtype); | |
11082 | workposted = false; | |
11083 | break; | |
11084 | } | |
11085 | return workposted; | |
11086 | } | |
11087 | ||
4f774513 JS |
11088 | /** |
11089 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
11090 | * @phba: Pointer to HBA context object. | |
11091 | * @rcqe: Pointer to receive-queue completion queue entry. | |
11092 | * | |
11093 | * This routine process a receive-queue completion queue entry. | |
11094 | * | |
11095 | * Return: true if work posted to worker thread, otherwise false. | |
11096 | **/ | |
11097 | static bool | |
4d9ab994 | 11098 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 11099 | { |
4f774513 JS |
11100 | bool workposted = false; |
11101 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; | |
11102 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
11103 | struct hbq_dmabuf *dma_buf; | |
7851fe2c | 11104 | uint32_t status, rq_id; |
4f774513 JS |
11105 | unsigned long iflags; |
11106 | ||
2e90f4b5 JS |
11107 | /* sanity check on queue memory */ |
11108 | if (unlikely(!hrq) || unlikely(!drq)) | |
11109 | return workposted; | |
11110 | ||
7851fe2c JS |
11111 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
11112 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
11113 | else | |
11114 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
11115 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
11116 | goto out; |
11117 | ||
4d9ab994 | 11118 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
11119 | switch (status) { |
11120 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
11121 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11122 | "2537 Receive Frame Truncated!!\n"); | |
11123 | case FC_STATUS_RQ_SUCCESS: | |
5ffc266e | 11124 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
11125 | spin_lock_irqsave(&phba->hbalock, iflags); |
11126 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); | |
11127 | if (!dma_buf) { | |
11128 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11129 | goto out; | |
11130 | } | |
4d9ab994 | 11131 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
4f774513 | 11132 | /* save off the frame for the word thread to process */ |
4d9ab994 | 11133 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 11134 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 11135 | /* Frame received */ |
45ed1190 | 11136 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
11137 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
11138 | workposted = true; | |
11139 | break; | |
11140 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
11141 | case FC_STATUS_INSUFF_BUF_FRM_DISC: | |
11142 | /* Post more buffers if possible */ | |
11143 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11144 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
11145 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11146 | workposted = true; | |
11147 | break; | |
11148 | } | |
11149 | out: | |
11150 | return workposted; | |
4f774513 JS |
11151 | } |
11152 | ||
4d9ab994 JS |
11153 | /** |
11154 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
11155 | * @phba: Pointer to HBA context object. | |
11156 | * @cq: Pointer to the completion queue. | |
11157 | * @wcqe: Pointer to a completion queue entry. | |
11158 | * | |
25985edc | 11159 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
11160 | * entry. |
11161 | * | |
11162 | * Return: true if work posted to worker thread, otherwise false. | |
11163 | **/ | |
11164 | static bool | |
11165 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
11166 | struct lpfc_cqe *cqe) | |
11167 | { | |
45ed1190 | 11168 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
11169 | bool workposted = false; |
11170 | ||
11171 | /* Copy the work queue CQE and convert endian order if needed */ | |
45ed1190 | 11172 | lpfc_sli_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
11173 | |
11174 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 11175 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 11176 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 11177 | /* Process the WQ/RQ complete event */ |
bc73905a | 11178 | phba->last_completion_time = jiffies; |
4d9ab994 | 11179 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, |
45ed1190 | 11180 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
11181 | break; |
11182 | case CQE_CODE_RELEASE_WQE: | |
11183 | /* Process the WQ release event */ | |
11184 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 11185 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
11186 | break; |
11187 | case CQE_CODE_XRI_ABORTED: | |
11188 | /* Process the WQ XRI abort event */ | |
bc73905a | 11189 | phba->last_completion_time = jiffies; |
4d9ab994 | 11190 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 11191 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
11192 | break; |
11193 | case CQE_CODE_RECEIVE: | |
7851fe2c | 11194 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 11195 | /* Process the RQ event */ |
bc73905a | 11196 | phba->last_completion_time = jiffies; |
4d9ab994 | 11197 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 11198 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
11199 | break; |
11200 | default: | |
11201 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11202 | "0388 Not a valid WCQE code: x%x\n", | |
45ed1190 | 11203 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
11204 | break; |
11205 | } | |
11206 | return workposted; | |
11207 | } | |
11208 | ||
4f774513 JS |
11209 | /** |
11210 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
11211 | * @phba: Pointer to HBA context object. | |
11212 | * @eqe: Pointer to fast-path event queue entry. | |
11213 | * | |
11214 | * This routine process a event queue entry from the slow-path event queue. | |
11215 | * It will check the MajorCode and MinorCode to determine this is for a | |
11216 | * completion event on a completion queue, if not, an error shall be logged | |
11217 | * and just return. Otherwise, it will get to the corresponding completion | |
11218 | * queue and process all the entries on that completion queue, rearm the | |
11219 | * completion queue, and then return. | |
11220 | * | |
11221 | **/ | |
11222 | static void | |
11223 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe) | |
11224 | { | |
11225 | struct lpfc_queue *cq = NULL, *childq, *speq; | |
11226 | struct lpfc_cqe *cqe; | |
11227 | bool workposted = false; | |
11228 | int ecount = 0; | |
11229 | uint16_t cqid; | |
11230 | ||
cb5172ea | 11231 | if (bf_get_le32(lpfc_eqe_major_code, eqe) != 0) { |
4f774513 JS |
11232 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
11233 | "0359 Not a valid slow-path completion " | |
11234 | "event: majorcode=x%x, minorcode=x%x\n", | |
cb5172ea JS |
11235 | bf_get_le32(lpfc_eqe_major_code, eqe), |
11236 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
4f774513 JS |
11237 | return; |
11238 | } | |
11239 | ||
11240 | /* Get the reference to the corresponding CQ */ | |
cb5172ea | 11241 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 JS |
11242 | |
11243 | /* Search for completion queue pointer matching this cqid */ | |
11244 | speq = phba->sli4_hba.sp_eq; | |
2e90f4b5 JS |
11245 | /* sanity check on queue memory */ |
11246 | if (unlikely(!speq)) | |
11247 | return; | |
4f774513 JS |
11248 | list_for_each_entry(childq, &speq->child_list, list) { |
11249 | if (childq->queue_id == cqid) { | |
11250 | cq = childq; | |
11251 | break; | |
11252 | } | |
11253 | } | |
11254 | if (unlikely(!cq)) { | |
75baf696 JS |
11255 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
11256 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11257 | "0365 Slow-path CQ identifier " | |
11258 | "(%d) does not exist\n", cqid); | |
4f774513 JS |
11259 | return; |
11260 | } | |
11261 | ||
11262 | /* Process all the entries to the CQ */ | |
11263 | switch (cq->type) { | |
11264 | case LPFC_MCQ: | |
11265 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
11266 | workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe); | |
73d91e50 | 11267 | if (!(++ecount % cq->entry_repost)) |
4f774513 JS |
11268 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); |
11269 | } | |
11270 | break; | |
11271 | case LPFC_WCQ: | |
11272 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
0558056c JS |
11273 | if (cq->subtype == LPFC_FCP) |
11274 | workposted |= lpfc_sli4_fp_handle_wcqe(phba, cq, | |
11275 | cqe); | |
11276 | else | |
11277 | workposted |= lpfc_sli4_sp_handle_cqe(phba, cq, | |
11278 | cqe); | |
73d91e50 | 11279 | if (!(++ecount % cq->entry_repost)) |
4f774513 JS |
11280 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); |
11281 | } | |
11282 | break; | |
11283 | default: | |
11284 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11285 | "0370 Invalid completion queue type (%d)\n", | |
11286 | cq->type); | |
11287 | return; | |
11288 | } | |
11289 | ||
11290 | /* Catch the no cq entry condition, log an error */ | |
11291 | if (unlikely(ecount == 0)) | |
11292 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11293 | "0371 No entry from the CQ: identifier " | |
11294 | "(x%x), type (%d)\n", cq->queue_id, cq->type); | |
11295 | ||
11296 | /* In any case, flash and re-arm the RCQ */ | |
11297 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
11298 | ||
11299 | /* wake up worker thread if there are works to be done */ | |
11300 | if (workposted) | |
11301 | lpfc_worker_wake_up(phba); | |
11302 | } | |
11303 | ||
11304 | /** | |
11305 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
11306 | * @eqe: Pointer to fast-path completion queue entry. | |
11307 | * | |
11308 | * This routine process a fast-path work queue completion entry from fast-path | |
11309 | * event queue for FCP command response completion. | |
11310 | **/ | |
11311 | static void | |
11312 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, | |
11313 | struct lpfc_wcqe_complete *wcqe) | |
11314 | { | |
11315 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_FCP_RING]; | |
11316 | struct lpfc_iocbq *cmdiocbq; | |
11317 | struct lpfc_iocbq irspiocbq; | |
11318 | unsigned long iflags; | |
11319 | ||
11320 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11321 | pring->stats.iocb_event++; | |
11322 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11323 | ||
11324 | /* Check for response status */ | |
11325 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
11326 | /* If resource errors reported from HBA, reduce queue | |
11327 | * depth of the SCSI device. | |
11328 | */ | |
11329 | if ((bf_get(lpfc_wcqe_c_status, wcqe) == | |
11330 | IOSTAT_LOCAL_REJECT) && | |
11331 | (wcqe->parameter == IOERR_NO_RESOURCES)) { | |
11332 | phba->lpfc_rampdown_queue_depth(phba); | |
11333 | } | |
11334 | /* Log the error status */ | |
11335 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11336 | "0373 FCP complete error: status=x%x, " | |
11337 | "hw_status=x%x, total_data_specified=%d, " | |
11338 | "parameter=x%x, word3=x%x\n", | |
11339 | bf_get(lpfc_wcqe_c_status, wcqe), | |
11340 | bf_get(lpfc_wcqe_c_hw_status, wcqe), | |
11341 | wcqe->total_data_placed, wcqe->parameter, | |
11342 | wcqe->word3); | |
11343 | } | |
11344 | ||
11345 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
11346 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11347 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
11348 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
11349 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11350 | if (unlikely(!cmdiocbq)) { | |
11351 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11352 | "0374 FCP complete with no corresponding " | |
11353 | "cmdiocb: iotag (%d)\n", | |
11354 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
11355 | return; | |
11356 | } | |
11357 | if (unlikely(!cmdiocbq->iocb_cmpl)) { | |
11358 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11359 | "0375 FCP cmdiocb not callback function " | |
11360 | "iotag: (%d)\n", | |
11361 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
11362 | return; | |
11363 | } | |
11364 | ||
11365 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 11366 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 11367 | |
0f65ff68 JS |
11368 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
11369 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11370 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
11371 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11372 | } | |
11373 | ||
4f774513 JS |
11374 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
11375 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
11376 | } | |
11377 | ||
11378 | /** | |
11379 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
11380 | * @phba: Pointer to HBA context object. | |
11381 | * @cq: Pointer to completion queue. | |
11382 | * @wcqe: Pointer to work-queue completion queue entry. | |
11383 | * | |
11384 | * This routine handles an fast-path WQ entry comsumed event by invoking the | |
11385 | * proper WQ release routine to the slow-path WQ. | |
11386 | **/ | |
11387 | static void | |
11388 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
11389 | struct lpfc_wcqe_release *wcqe) | |
11390 | { | |
11391 | struct lpfc_queue *childwq; | |
11392 | bool wqid_matched = false; | |
11393 | uint16_t fcp_wqid; | |
11394 | ||
11395 | /* Check for fast-path FCP work queue release */ | |
11396 | fcp_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); | |
11397 | list_for_each_entry(childwq, &cq->child_list, list) { | |
11398 | if (childwq->queue_id == fcp_wqid) { | |
11399 | lpfc_sli4_wq_release(childwq, | |
11400 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
11401 | wqid_matched = true; | |
11402 | break; | |
11403 | } | |
11404 | } | |
11405 | /* Report warning log message if no match found */ | |
11406 | if (wqid_matched != true) | |
11407 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11408 | "2580 Fast-path wqe consume event carries " | |
11409 | "miss-matched qid: wcqe-qid=x%x\n", fcp_wqid); | |
11410 | } | |
11411 | ||
11412 | /** | |
11413 | * lpfc_sli4_fp_handle_wcqe - Process fast-path work queue completion entry | |
11414 | * @cq: Pointer to the completion queue. | |
11415 | * @eqe: Pointer to fast-path completion queue entry. | |
11416 | * | |
11417 | * This routine process a fast-path work queue completion entry from fast-path | |
11418 | * event queue for FCP command response completion. | |
11419 | **/ | |
11420 | static int | |
11421 | lpfc_sli4_fp_handle_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
11422 | struct lpfc_cqe *cqe) | |
11423 | { | |
11424 | struct lpfc_wcqe_release wcqe; | |
11425 | bool workposted = false; | |
11426 | ||
11427 | /* Copy the work queue CQE and convert endian order if needed */ | |
11428 | lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); | |
11429 | ||
11430 | /* Check and process for different type of WCQE and dispatch */ | |
11431 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
11432 | case CQE_CODE_COMPL_WQE: | |
11433 | /* Process the WQ complete event */ | |
98fc5dd9 | 11434 | phba->last_completion_time = jiffies; |
4f774513 JS |
11435 | lpfc_sli4_fp_handle_fcp_wcqe(phba, |
11436 | (struct lpfc_wcqe_complete *)&wcqe); | |
11437 | break; | |
11438 | case CQE_CODE_RELEASE_WQE: | |
11439 | /* Process the WQ release event */ | |
11440 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
11441 | (struct lpfc_wcqe_release *)&wcqe); | |
11442 | break; | |
11443 | case CQE_CODE_XRI_ABORTED: | |
11444 | /* Process the WQ XRI abort event */ | |
bc73905a | 11445 | phba->last_completion_time = jiffies; |
4f774513 JS |
11446 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
11447 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
11448 | break; | |
11449 | default: | |
11450 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11451 | "0144 Not a valid WCQE code: x%x\n", | |
11452 | bf_get(lpfc_wcqe_c_code, &wcqe)); | |
11453 | break; | |
11454 | } | |
11455 | return workposted; | |
11456 | } | |
11457 | ||
11458 | /** | |
11459 | * lpfc_sli4_fp_handle_eqe - Process a fast-path event queue entry | |
11460 | * @phba: Pointer to HBA context object. | |
11461 | * @eqe: Pointer to fast-path event queue entry. | |
11462 | * | |
11463 | * This routine process a event queue entry from the fast-path event queue. | |
11464 | * It will check the MajorCode and MinorCode to determine this is for a | |
11465 | * completion event on a completion queue, if not, an error shall be logged | |
11466 | * and just return. Otherwise, it will get to the corresponding completion | |
11467 | * queue and process all the entries on the completion queue, rearm the | |
11468 | * completion queue, and then return. | |
11469 | **/ | |
11470 | static void | |
11471 | lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, | |
11472 | uint32_t fcp_cqidx) | |
11473 | { | |
11474 | struct lpfc_queue *cq; | |
11475 | struct lpfc_cqe *cqe; | |
11476 | bool workposted = false; | |
11477 | uint16_t cqid; | |
11478 | int ecount = 0; | |
11479 | ||
cb5172ea | 11480 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
4f774513 JS |
11481 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
11482 | "0366 Not a valid fast-path completion " | |
11483 | "event: majorcode=x%x, minorcode=x%x\n", | |
cb5172ea JS |
11484 | bf_get_le32(lpfc_eqe_major_code, eqe), |
11485 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
4f774513 JS |
11486 | return; |
11487 | } | |
11488 | ||
2e90f4b5 JS |
11489 | if (unlikely(!phba->sli4_hba.fcp_cq)) { |
11490 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11491 | "3146 Fast-path completion queues " | |
11492 | "does not exist\n"); | |
11493 | return; | |
11494 | } | |
4f774513 JS |
11495 | cq = phba->sli4_hba.fcp_cq[fcp_cqidx]; |
11496 | if (unlikely(!cq)) { | |
75baf696 JS |
11497 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
11498 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11499 | "0367 Fast-path completion queue " | |
2e90f4b5 | 11500 | "(%d) does not exist\n", fcp_cqidx); |
4f774513 JS |
11501 | return; |
11502 | } | |
11503 | ||
11504 | /* Get the reference to the corresponding CQ */ | |
cb5172ea | 11505 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 JS |
11506 | if (unlikely(cqid != cq->queue_id)) { |
11507 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11508 | "0368 Miss-matched fast-path completion " | |
11509 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
11510 | cqid, cq->queue_id); | |
11511 | return; | |
11512 | } | |
11513 | ||
11514 | /* Process all the entries to the CQ */ | |
11515 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
11516 | workposted |= lpfc_sli4_fp_handle_wcqe(phba, cq, cqe); | |
73d91e50 | 11517 | if (!(++ecount % cq->entry_repost)) |
4f774513 JS |
11518 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); |
11519 | } | |
11520 | ||
11521 | /* Catch the no cq entry condition */ | |
11522 | if (unlikely(ecount == 0)) | |
11523 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11524 | "0369 No entry from fast-path completion " | |
11525 | "queue fcpcqid=%d\n", cq->queue_id); | |
11526 | ||
11527 | /* In any case, flash and re-arm the CQ */ | |
11528 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
11529 | ||
11530 | /* wake up worker thread if there are works to be done */ | |
11531 | if (workposted) | |
11532 | lpfc_worker_wake_up(phba); | |
11533 | } | |
11534 | ||
11535 | static void | |
11536 | lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) | |
11537 | { | |
11538 | struct lpfc_eqe *eqe; | |
11539 | ||
11540 | /* walk all the EQ entries and drop on the floor */ | |
11541 | while ((eqe = lpfc_sli4_eq_get(eq))) | |
11542 | ; | |
11543 | ||
11544 | /* Clear and re-arm the EQ */ | |
11545 | lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM); | |
11546 | } | |
11547 | ||
11548 | /** | |
11549 | * lpfc_sli4_sp_intr_handler - Slow-path interrupt handler to SLI-4 device | |
11550 | * @irq: Interrupt number. | |
11551 | * @dev_id: The device context pointer. | |
11552 | * | |
11553 | * This function is directly called from the PCI layer as an interrupt | |
11554 | * service routine when device with SLI-4 interface spec is enabled with | |
11555 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
11556 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
11557 | * interrupt mode, this function is called as part of the device-level | |
11558 | * interrupt handler. When the PCI slot is in error recovery or the HBA is | |
11559 | * undergoing initialization, the interrupt handler will not process the | |
11560 | * interrupt. The link attention and ELS ring attention events are handled | |
11561 | * by the worker thread. The interrupt handler signals the worker thread | |
11562 | * and returns for these events. This function is called without any lock | |
11563 | * held. It gets the hbalock to access and update SLI data structures. | |
11564 | * | |
11565 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
11566 | * returns IRQ_NONE. | |
11567 | **/ | |
11568 | irqreturn_t | |
11569 | lpfc_sli4_sp_intr_handler(int irq, void *dev_id) | |
11570 | { | |
11571 | struct lpfc_hba *phba; | |
11572 | struct lpfc_queue *speq; | |
11573 | struct lpfc_eqe *eqe; | |
11574 | unsigned long iflag; | |
11575 | int ecount = 0; | |
11576 | ||
11577 | /* | |
11578 | * Get the driver's phba structure from the dev_id | |
11579 | */ | |
11580 | phba = (struct lpfc_hba *)dev_id; | |
11581 | ||
11582 | if (unlikely(!phba)) | |
11583 | return IRQ_NONE; | |
11584 | ||
11585 | /* Get to the EQ struct associated with this vector */ | |
11586 | speq = phba->sli4_hba.sp_eq; | |
5350d872 JS |
11587 | if (unlikely(!speq)) |
11588 | return IRQ_NONE; | |
4f774513 JS |
11589 | |
11590 | /* Check device state for handling interrupt */ | |
11591 | if (unlikely(lpfc_intr_state_check(phba))) { | |
11592 | /* Check again for link_state with lock held */ | |
11593 | spin_lock_irqsave(&phba->hbalock, iflag); | |
11594 | if (phba->link_state < LPFC_LINK_DOWN) | |
11595 | /* Flush, clear interrupt, and rearm the EQ */ | |
11596 | lpfc_sli4_eq_flush(phba, speq); | |
11597 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
11598 | return IRQ_NONE; | |
11599 | } | |
11600 | ||
11601 | /* | |
11602 | * Process all the event on FCP slow-path EQ | |
11603 | */ | |
11604 | while ((eqe = lpfc_sli4_eq_get(speq))) { | |
11605 | lpfc_sli4_sp_handle_eqe(phba, eqe); | |
73d91e50 | 11606 | if (!(++ecount % speq->entry_repost)) |
4f774513 JS |
11607 | lpfc_sli4_eq_release(speq, LPFC_QUEUE_NOARM); |
11608 | } | |
11609 | ||
11610 | /* Always clear and re-arm the slow-path EQ */ | |
11611 | lpfc_sli4_eq_release(speq, LPFC_QUEUE_REARM); | |
11612 | ||
11613 | /* Catch the no cq entry condition */ | |
11614 | if (unlikely(ecount == 0)) { | |
11615 | if (phba->intr_type == MSIX) | |
11616 | /* MSI-X treated interrupt served as no EQ share INT */ | |
11617 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11618 | "0357 MSI-X interrupt with no EQE\n"); | |
11619 | else | |
11620 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
11621 | return IRQ_NONE; | |
11622 | } | |
11623 | ||
11624 | return IRQ_HANDLED; | |
11625 | } /* lpfc_sli4_sp_intr_handler */ | |
11626 | ||
11627 | /** | |
11628 | * lpfc_sli4_fp_intr_handler - Fast-path interrupt handler to SLI-4 device | |
11629 | * @irq: Interrupt number. | |
11630 | * @dev_id: The device context pointer. | |
11631 | * | |
11632 | * This function is directly called from the PCI layer as an interrupt | |
11633 | * service routine when device with SLI-4 interface spec is enabled with | |
11634 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
11635 | * ring event in the HBA. However, when the device is enabled with either | |
11636 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
11637 | * device-level interrupt handler. When the PCI slot is in error recovery | |
11638 | * or the HBA is undergoing initialization, the interrupt handler will not | |
11639 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
11640 | * the intrrupt context. This function is called without any lock held. | |
11641 | * It gets the hbalock to access and update SLI data structures. Note that, | |
11642 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
11643 | * equal to that of FCP CQ index. | |
11644 | * | |
11645 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
11646 | * returns IRQ_NONE. | |
11647 | **/ | |
11648 | irqreturn_t | |
11649 | lpfc_sli4_fp_intr_handler(int irq, void *dev_id) | |
11650 | { | |
11651 | struct lpfc_hba *phba; | |
11652 | struct lpfc_fcp_eq_hdl *fcp_eq_hdl; | |
11653 | struct lpfc_queue *fpeq; | |
11654 | struct lpfc_eqe *eqe; | |
11655 | unsigned long iflag; | |
11656 | int ecount = 0; | |
11657 | uint32_t fcp_eqidx; | |
11658 | ||
11659 | /* Get the driver's phba structure from the dev_id */ | |
11660 | fcp_eq_hdl = (struct lpfc_fcp_eq_hdl *)dev_id; | |
11661 | phba = fcp_eq_hdl->phba; | |
11662 | fcp_eqidx = fcp_eq_hdl->idx; | |
11663 | ||
11664 | if (unlikely(!phba)) | |
11665 | return IRQ_NONE; | |
5350d872 JS |
11666 | if (unlikely(!phba->sli4_hba.fp_eq)) |
11667 | return IRQ_NONE; | |
4f774513 JS |
11668 | |
11669 | /* Get to the EQ struct associated with this vector */ | |
11670 | fpeq = phba->sli4_hba.fp_eq[fcp_eqidx]; | |
2e90f4b5 JS |
11671 | if (unlikely(!fpeq)) |
11672 | return IRQ_NONE; | |
4f774513 JS |
11673 | |
11674 | /* Check device state for handling interrupt */ | |
11675 | if (unlikely(lpfc_intr_state_check(phba))) { | |
11676 | /* Check again for link_state with lock held */ | |
11677 | spin_lock_irqsave(&phba->hbalock, iflag); | |
11678 | if (phba->link_state < LPFC_LINK_DOWN) | |
11679 | /* Flush, clear interrupt, and rearm the EQ */ | |
11680 | lpfc_sli4_eq_flush(phba, fpeq); | |
11681 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
11682 | return IRQ_NONE; | |
11683 | } | |
11684 | ||
11685 | /* | |
11686 | * Process all the event on FCP fast-path EQ | |
11687 | */ | |
11688 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
11689 | lpfc_sli4_fp_handle_eqe(phba, eqe, fcp_eqidx); | |
73d91e50 | 11690 | if (!(++ecount % fpeq->entry_repost)) |
4f774513 JS |
11691 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM); |
11692 | } | |
11693 | ||
11694 | /* Always clear and re-arm the fast-path EQ */ | |
11695 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM); | |
11696 | ||
11697 | if (unlikely(ecount == 0)) { | |
11698 | if (phba->intr_type == MSIX) | |
11699 | /* MSI-X treated interrupt served as no EQ share INT */ | |
11700 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
11701 | "0358 MSI-X interrupt with no EQE\n"); | |
11702 | else | |
11703 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
11704 | return IRQ_NONE; | |
11705 | } | |
11706 | ||
11707 | return IRQ_HANDLED; | |
11708 | } /* lpfc_sli4_fp_intr_handler */ | |
11709 | ||
11710 | /** | |
11711 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
11712 | * @irq: Interrupt number. | |
11713 | * @dev_id: The device context pointer. | |
11714 | * | |
11715 | * This function is the device-level interrupt handler to device with SLI-4 | |
11716 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
11717 | * interrupt mode is enabled and there is an event in the HBA which requires | |
11718 | * driver attention. This function invokes the slow-path interrupt attention | |
11719 | * handling function and fast-path interrupt attention handling function in | |
11720 | * turn to process the relevant HBA attention events. This function is called | |
11721 | * without any lock held. It gets the hbalock to access and update SLI data | |
11722 | * structures. | |
11723 | * | |
11724 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
11725 | * returns IRQ_NONE. | |
11726 | **/ | |
11727 | irqreturn_t | |
11728 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
11729 | { | |
11730 | struct lpfc_hba *phba; | |
11731 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
11732 | bool fp_handled = false; | |
11733 | uint32_t fcp_eqidx; | |
11734 | ||
11735 | /* Get the driver's phba structure from the dev_id */ | |
11736 | phba = (struct lpfc_hba *)dev_id; | |
11737 | ||
11738 | if (unlikely(!phba)) | |
11739 | return IRQ_NONE; | |
11740 | ||
11741 | /* | |
11742 | * Invokes slow-path host attention interrupt handling as appropriate. | |
11743 | */ | |
11744 | sp_irq_rc = lpfc_sli4_sp_intr_handler(irq, dev_id); | |
11745 | ||
11746 | /* | |
11747 | * Invoke fast-path host attention interrupt handling as appropriate. | |
11748 | */ | |
11749 | for (fcp_eqidx = 0; fcp_eqidx < phba->cfg_fcp_eq_count; fcp_eqidx++) { | |
11750 | fp_irq_rc = lpfc_sli4_fp_intr_handler(irq, | |
11751 | &phba->sli4_hba.fcp_eq_hdl[fcp_eqidx]); | |
11752 | if (fp_irq_rc == IRQ_HANDLED) | |
11753 | fp_handled |= true; | |
11754 | } | |
11755 | ||
11756 | return (fp_handled == true) ? IRQ_HANDLED : sp_irq_rc; | |
11757 | } /* lpfc_sli4_intr_handler */ | |
11758 | ||
11759 | /** | |
11760 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
11761 | * @queue: The queue structure to free. | |
11762 | * | |
b595076a | 11763 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
11764 | * the host resident queue. This function must be called after destroying the |
11765 | * queue on the HBA. | |
11766 | **/ | |
11767 | void | |
11768 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
11769 | { | |
11770 | struct lpfc_dmabuf *dmabuf; | |
11771 | ||
11772 | if (!queue) | |
11773 | return; | |
11774 | ||
11775 | while (!list_empty(&queue->page_list)) { | |
11776 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
11777 | list); | |
49198b37 | 11778 | dma_free_coherent(&queue->phba->pcidev->dev, SLI4_PAGE_SIZE, |
4f774513 JS |
11779 | dmabuf->virt, dmabuf->phys); |
11780 | kfree(dmabuf); | |
11781 | } | |
11782 | kfree(queue); | |
11783 | return; | |
11784 | } | |
11785 | ||
11786 | /** | |
11787 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
11788 | * @phba: The HBA that this queue is being created on. | |
11789 | * @entry_size: The size of each queue entry for this queue. | |
11790 | * @entry count: The number of entries that this queue will handle. | |
11791 | * | |
11792 | * This function allocates a queue structure and the DMAable memory used for | |
11793 | * the host resident queue. This function must be called before creating the | |
11794 | * queue on the HBA. | |
11795 | **/ | |
11796 | struct lpfc_queue * | |
11797 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size, | |
11798 | uint32_t entry_count) | |
11799 | { | |
11800 | struct lpfc_queue *queue; | |
11801 | struct lpfc_dmabuf *dmabuf; | |
11802 | int x, total_qe_count; | |
11803 | void *dma_pointer; | |
cb5172ea | 11804 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
4f774513 | 11805 | |
cb5172ea JS |
11806 | if (!phba->sli4_hba.pc_sli4_params.supported) |
11807 | hw_page_size = SLI4_PAGE_SIZE; | |
11808 | ||
4f774513 JS |
11809 | queue = kzalloc(sizeof(struct lpfc_queue) + |
11810 | (sizeof(union sli4_qe) * entry_count), GFP_KERNEL); | |
11811 | if (!queue) | |
11812 | return NULL; | |
cb5172ea JS |
11813 | queue->page_count = (ALIGN(entry_size * entry_count, |
11814 | hw_page_size))/hw_page_size; | |
4f774513 JS |
11815 | INIT_LIST_HEAD(&queue->list); |
11816 | INIT_LIST_HEAD(&queue->page_list); | |
11817 | INIT_LIST_HEAD(&queue->child_list); | |
11818 | for (x = 0, total_qe_count = 0; x < queue->page_count; x++) { | |
11819 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
11820 | if (!dmabuf) | |
11821 | goto out_fail; | |
11822 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, | |
cb5172ea | 11823 | hw_page_size, &dmabuf->phys, |
4f774513 JS |
11824 | GFP_KERNEL); |
11825 | if (!dmabuf->virt) { | |
11826 | kfree(dmabuf); | |
11827 | goto out_fail; | |
11828 | } | |
cb5172ea | 11829 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
11830 | dmabuf->buffer_tag = x; |
11831 | list_add_tail(&dmabuf->list, &queue->page_list); | |
11832 | /* initialize queue's entry array */ | |
11833 | dma_pointer = dmabuf->virt; | |
11834 | for (; total_qe_count < entry_count && | |
cb5172ea | 11835 | dma_pointer < (hw_page_size + dmabuf->virt); |
4f774513 JS |
11836 | total_qe_count++, dma_pointer += entry_size) { |
11837 | queue->qe[total_qe_count].address = dma_pointer; | |
11838 | } | |
11839 | } | |
11840 | queue->entry_size = entry_size; | |
11841 | queue->entry_count = entry_count; | |
73d91e50 JS |
11842 | |
11843 | /* | |
11844 | * entry_repost is calculated based on the number of entries in the | |
11845 | * queue. This works out except for RQs. If buffers are NOT initially | |
11846 | * posted for every RQE, entry_repost should be adjusted accordingly. | |
11847 | */ | |
11848 | queue->entry_repost = (entry_count >> 3); | |
11849 | if (queue->entry_repost < LPFC_QUEUE_MIN_REPOST) | |
11850 | queue->entry_repost = LPFC_QUEUE_MIN_REPOST; | |
4f774513 JS |
11851 | queue->phba = phba; |
11852 | ||
11853 | return queue; | |
11854 | out_fail: | |
11855 | lpfc_sli4_queue_free(queue); | |
11856 | return NULL; | |
11857 | } | |
11858 | ||
11859 | /** | |
11860 | * lpfc_eq_create - Create an Event Queue on the HBA | |
11861 | * @phba: HBA structure that indicates port to create a queue on. | |
11862 | * @eq: The queue structure to use to create the event queue. | |
11863 | * @imax: The maximum interrupt per second limit. | |
11864 | * | |
11865 | * This function creates an event queue, as detailed in @eq, on a port, | |
11866 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
11867 | * | |
11868 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
11869 | * is used to get the entry count and entry size that are necessary to | |
11870 | * determine the number of pages to allocate and use for this queue. This | |
11871 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
11872 | * event queue. This function is asynchronous and will wait for the mailbox | |
11873 | * command to finish before continuing. | |
11874 | * | |
11875 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
11876 | * memory this function will return -ENOMEM. If the queue create mailbox command |
11877 | * fails this function will return -ENXIO. | |
4f774513 JS |
11878 | **/ |
11879 | uint32_t | |
11880 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint16_t imax) | |
11881 | { | |
11882 | struct lpfc_mbx_eq_create *eq_create; | |
11883 | LPFC_MBOXQ_t *mbox; | |
11884 | int rc, length, status = 0; | |
11885 | struct lpfc_dmabuf *dmabuf; | |
11886 | uint32_t shdr_status, shdr_add_status; | |
11887 | union lpfc_sli4_cfg_shdr *shdr; | |
11888 | uint16_t dmult; | |
49198b37 JS |
11889 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
11890 | ||
2e90f4b5 JS |
11891 | /* sanity check on queue memory */ |
11892 | if (!eq) | |
11893 | return -ENODEV; | |
49198b37 JS |
11894 | if (!phba->sli4_hba.pc_sli4_params.supported) |
11895 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
11896 | |
11897 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
11898 | if (!mbox) | |
11899 | return -ENOMEM; | |
11900 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
11901 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
11902 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
11903 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
11904 | length, LPFC_SLI4_MBX_EMBED); | |
11905 | eq_create = &mbox->u.mqe.un.eq_create; | |
11906 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, | |
11907 | eq->page_count); | |
11908 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
11909 | LPFC_EQE_SIZE); | |
11910 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
11911 | /* Calculate delay multiper from maximum interrupt per second */ | |
11912 | dmult = LPFC_DMULT_CONST/imax - 1; | |
11913 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, | |
11914 | dmult); | |
11915 | switch (eq->entry_count) { | |
11916 | default: | |
11917 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
11918 | "0360 Unsupported EQ count. (%d)\n", | |
11919 | eq->entry_count); | |
11920 | if (eq->entry_count < 256) | |
11921 | return -EINVAL; | |
11922 | /* otherwise default to smallest count (drop through) */ | |
11923 | case 256: | |
11924 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
11925 | LPFC_EQ_CNT_256); | |
11926 | break; | |
11927 | case 512: | |
11928 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
11929 | LPFC_EQ_CNT_512); | |
11930 | break; | |
11931 | case 1024: | |
11932 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
11933 | LPFC_EQ_CNT_1024); | |
11934 | break; | |
11935 | case 2048: | |
11936 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
11937 | LPFC_EQ_CNT_2048); | |
11938 | break; | |
11939 | case 4096: | |
11940 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
11941 | LPFC_EQ_CNT_4096); | |
11942 | break; | |
11943 | } | |
11944 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 11945 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
11946 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
11947 | putPaddrLow(dmabuf->phys); | |
11948 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
11949 | putPaddrHigh(dmabuf->phys); | |
11950 | } | |
11951 | mbox->vport = phba->pport; | |
11952 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
11953 | mbox->context1 = NULL; | |
11954 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
11955 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; | |
11956 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
11957 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
11958 | if (shdr_status || shdr_add_status || rc) { | |
11959 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11960 | "2500 EQ_CREATE mailbox failed with " | |
11961 | "status x%x add_status x%x, mbx status x%x\n", | |
11962 | shdr_status, shdr_add_status, rc); | |
11963 | status = -ENXIO; | |
11964 | } | |
11965 | eq->type = LPFC_EQ; | |
11966 | eq->subtype = LPFC_NONE; | |
11967 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
11968 | if (eq->queue_id == 0xFFFF) | |
11969 | status = -ENXIO; | |
11970 | eq->host_index = 0; | |
11971 | eq->hba_index = 0; | |
11972 | ||
8fa38513 | 11973 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
11974 | return status; |
11975 | } | |
11976 | ||
11977 | /** | |
11978 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
11979 | * @phba: HBA structure that indicates port to create a queue on. | |
11980 | * @cq: The queue structure to use to create the completion queue. | |
11981 | * @eq: The event queue to bind this completion queue to. | |
11982 | * | |
11983 | * This function creates a completion queue, as detailed in @wq, on a port, | |
11984 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
11985 | * | |
11986 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
11987 | * is used to get the entry count and entry size that are necessary to | |
11988 | * determine the number of pages to allocate and use for this queue. The @eq | |
11989 | * is used to indicate which event queue to bind this completion queue to. This | |
11990 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
11991 | * completion queue. This function is asynchronous and will wait for the mailbox | |
11992 | * command to finish before continuing. | |
11993 | * | |
11994 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
11995 | * memory this function will return -ENOMEM. If the queue create mailbox command |
11996 | * fails this function will return -ENXIO. | |
4f774513 JS |
11997 | **/ |
11998 | uint32_t | |
11999 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
12000 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
12001 | { | |
12002 | struct lpfc_mbx_cq_create *cq_create; | |
12003 | struct lpfc_dmabuf *dmabuf; | |
12004 | LPFC_MBOXQ_t *mbox; | |
12005 | int rc, length, status = 0; | |
12006 | uint32_t shdr_status, shdr_add_status; | |
12007 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 JS |
12008 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
12009 | ||
2e90f4b5 JS |
12010 | /* sanity check on queue memory */ |
12011 | if (!cq || !eq) | |
12012 | return -ENODEV; | |
49198b37 JS |
12013 | if (!phba->sli4_hba.pc_sli4_params.supported) |
12014 | hw_page_size = SLI4_PAGE_SIZE; | |
12015 | ||
4f774513 JS |
12016 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
12017 | if (!mbox) | |
12018 | return -ENOMEM; | |
12019 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
12020 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12021 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
12022 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
12023 | length, LPFC_SLI4_MBX_EMBED); | |
12024 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 12025 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
12026 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
12027 | cq->page_count); | |
12028 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
12029 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
12030 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
12031 | phba->sli4_hba.pc_sli4_params.cqv); | |
12032 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
c31098ce JS |
12033 | /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */ |
12034 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, 1); | |
5a6f133e JS |
12035 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
12036 | eq->queue_id); | |
12037 | } else { | |
12038 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
12039 | eq->queue_id); | |
12040 | } | |
4f774513 JS |
12041 | switch (cq->entry_count) { |
12042 | default: | |
12043 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12044 | "0361 Unsupported CQ count. (%d)\n", | |
12045 | cq->entry_count); | |
12046 | if (cq->entry_count < 256) | |
12047 | return -EINVAL; | |
12048 | /* otherwise default to smallest count (drop through) */ | |
12049 | case 256: | |
12050 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
12051 | LPFC_CQ_CNT_256); | |
12052 | break; | |
12053 | case 512: | |
12054 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
12055 | LPFC_CQ_CNT_512); | |
12056 | break; | |
12057 | case 1024: | |
12058 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
12059 | LPFC_CQ_CNT_1024); | |
12060 | break; | |
12061 | } | |
12062 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
49198b37 | 12063 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
12064 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
12065 | putPaddrLow(dmabuf->phys); | |
12066 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
12067 | putPaddrHigh(dmabuf->phys); | |
12068 | } | |
12069 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
12070 | ||
12071 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
12072 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
12073 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12074 | if (shdr_status || shdr_add_status || rc) { | |
12075 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12076 | "2501 CQ_CREATE mailbox failed with " | |
12077 | "status x%x add_status x%x, mbx status x%x\n", | |
12078 | shdr_status, shdr_add_status, rc); | |
12079 | status = -ENXIO; | |
12080 | goto out; | |
12081 | } | |
12082 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
12083 | if (cq->queue_id == 0xFFFF) { | |
12084 | status = -ENXIO; | |
12085 | goto out; | |
12086 | } | |
12087 | /* link the cq onto the parent eq child list */ | |
12088 | list_add_tail(&cq->list, &eq->child_list); | |
12089 | /* Set up completion queue's type and subtype */ | |
12090 | cq->type = type; | |
12091 | cq->subtype = subtype; | |
12092 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 12093 | cq->assoc_qid = eq->queue_id; |
4f774513 JS |
12094 | cq->host_index = 0; |
12095 | cq->hba_index = 0; | |
4f774513 | 12096 | |
8fa38513 JS |
12097 | out: |
12098 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
12099 | return status; |
12100 | } | |
12101 | ||
b19a061a JS |
12102 | /** |
12103 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
12104 | * @phba: HBA structure that indicates port to create a queue on. | |
12105 | * @mq: The queue structure to use to create the mailbox queue. | |
12106 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
12107 | * @cq: The completion queue to associate with this cq. | |
12108 | * | |
12109 | * This function provides failback (fb) functionality when the | |
12110 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
12111 | * to mq_create_ext otherwise. | |
12112 | * | |
12113 | * This routine cannot fail as all attributes were previously accessed and | |
12114 | * initialized in mq_create_ext. | |
12115 | **/ | |
12116 | static void | |
12117 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
12118 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
12119 | { | |
12120 | struct lpfc_mbx_mq_create *mq_create; | |
12121 | struct lpfc_dmabuf *dmabuf; | |
12122 | int length; | |
12123 | ||
12124 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
12125 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12126 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
12127 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
12128 | length, LPFC_SLI4_MBX_EMBED); | |
12129 | mq_create = &mbox->u.mqe.un.mq_create; | |
12130 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
12131 | mq->page_count); | |
12132 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
12133 | cq->queue_id); | |
12134 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
12135 | switch (mq->entry_count) { | |
12136 | case 16: | |
5a6f133e JS |
12137 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
12138 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
12139 | break; |
12140 | case 32: | |
5a6f133e JS |
12141 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
12142 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
12143 | break; |
12144 | case 64: | |
5a6f133e JS |
12145 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
12146 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
12147 | break; |
12148 | case 128: | |
5a6f133e JS |
12149 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
12150 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
12151 | break; |
12152 | } | |
12153 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
12154 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
12155 | putPaddrLow(dmabuf->phys); | |
12156 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
12157 | putPaddrHigh(dmabuf->phys); | |
12158 | } | |
12159 | } | |
12160 | ||
04c68496 JS |
12161 | /** |
12162 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
12163 | * @phba: HBA structure that indicates port to create a queue on. | |
12164 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
12165 | * @cq: The completion queue to associate with this cq. |
12166 | * @subtype: The queue's subtype. | |
04c68496 JS |
12167 | * |
12168 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
12169 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
12170 | * | |
12171 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
12172 | * is used to get the entry count and entry size that are necessary to | |
12173 | * determine the number of pages to allocate and use for this queue. This | |
12174 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
12175 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
12176 | * command to finish before continuing. | |
12177 | * | |
12178 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
12179 | * memory this function will return -ENOMEM. If the queue create mailbox command |
12180 | * fails this function will return -ENXIO. | |
04c68496 | 12181 | **/ |
b19a061a | 12182 | int32_t |
04c68496 JS |
12183 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
12184 | struct lpfc_queue *cq, uint32_t subtype) | |
12185 | { | |
12186 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 12187 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
12188 | struct lpfc_dmabuf *dmabuf; |
12189 | LPFC_MBOXQ_t *mbox; | |
12190 | int rc, length, status = 0; | |
12191 | uint32_t shdr_status, shdr_add_status; | |
12192 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 12193 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 12194 | |
2e90f4b5 JS |
12195 | /* sanity check on queue memory */ |
12196 | if (!mq || !cq) | |
12197 | return -ENODEV; | |
49198b37 JS |
12198 | if (!phba->sli4_hba.pc_sli4_params.supported) |
12199 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 12200 | |
04c68496 JS |
12201 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
12202 | if (!mbox) | |
12203 | return -ENOMEM; | |
b19a061a | 12204 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
12205 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
12206 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 12207 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 12208 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
12209 | |
12210 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 12211 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
12212 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
12213 | &mq_create_ext->u.request, mq->page_count); | |
12214 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
12215 | &mq_create_ext->u.request, 1); | |
12216 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
12217 | &mq_create_ext->u.request, 1); |
12218 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
12219 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
12220 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
12221 | &mq_create_ext->u.request, 1); | |
12222 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
12223 | &mq_create_ext->u.request, 1); | |
b19a061a | 12224 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
12225 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
12226 | phba->sli4_hba.pc_sli4_params.mqv); | |
12227 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
12228 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
12229 | cq->queue_id); | |
12230 | else | |
12231 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
12232 | cq->queue_id); | |
04c68496 JS |
12233 | switch (mq->entry_count) { |
12234 | default: | |
12235 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12236 | "0362 Unsupported MQ count. (%d)\n", | |
12237 | mq->entry_count); | |
12238 | if (mq->entry_count < 16) | |
12239 | return -EINVAL; | |
12240 | /* otherwise default to smallest count (drop through) */ | |
12241 | case 16: | |
5a6f133e JS |
12242 | bf_set(lpfc_mq_context_ring_size, |
12243 | &mq_create_ext->u.request.context, | |
12244 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
12245 | break; |
12246 | case 32: | |
5a6f133e JS |
12247 | bf_set(lpfc_mq_context_ring_size, |
12248 | &mq_create_ext->u.request.context, | |
12249 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
12250 | break; |
12251 | case 64: | |
5a6f133e JS |
12252 | bf_set(lpfc_mq_context_ring_size, |
12253 | &mq_create_ext->u.request.context, | |
12254 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
12255 | break; |
12256 | case 128: | |
5a6f133e JS |
12257 | bf_set(lpfc_mq_context_ring_size, |
12258 | &mq_create_ext->u.request.context, | |
12259 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
12260 | break; |
12261 | } | |
12262 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 12263 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 12264 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 12265 | putPaddrLow(dmabuf->phys); |
b19a061a | 12266 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
12267 | putPaddrHigh(dmabuf->phys); |
12268 | } | |
12269 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
12270 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
12271 | &mq_create_ext->u.response); | |
12272 | if (rc != MBX_SUCCESS) { | |
12273 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
12274 | "2795 MQ_CREATE_EXT failed with " | |
12275 | "status x%x. Failback to MQ_CREATE.\n", | |
12276 | rc); | |
12277 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
12278 | mq_create = &mbox->u.mqe.un.mq_create; | |
12279 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
12280 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
12281 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
12282 | &mq_create->u.response); | |
12283 | } | |
12284 | ||
04c68496 | 12285 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
12286 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
12287 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12288 | if (shdr_status || shdr_add_status || rc) { | |
12289 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12290 | "2502 MQ_CREATE mailbox failed with " | |
12291 | "status x%x add_status x%x, mbx status x%x\n", | |
12292 | shdr_status, shdr_add_status, rc); | |
12293 | status = -ENXIO; | |
12294 | goto out; | |
12295 | } | |
04c68496 JS |
12296 | if (mq->queue_id == 0xFFFF) { |
12297 | status = -ENXIO; | |
12298 | goto out; | |
12299 | } | |
12300 | mq->type = LPFC_MQ; | |
2a622bfb | 12301 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
12302 | mq->subtype = subtype; |
12303 | mq->host_index = 0; | |
12304 | mq->hba_index = 0; | |
12305 | ||
12306 | /* link the mq onto the parent cq child list */ | |
12307 | list_add_tail(&mq->list, &cq->child_list); | |
12308 | out: | |
8fa38513 | 12309 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
12310 | return status; |
12311 | } | |
12312 | ||
4f774513 JS |
12313 | /** |
12314 | * lpfc_wq_create - Create a Work Queue on the HBA | |
12315 | * @phba: HBA structure that indicates port to create a queue on. | |
12316 | * @wq: The queue structure to use to create the work queue. | |
12317 | * @cq: The completion queue to bind this work queue to. | |
12318 | * @subtype: The subtype of the work queue indicating its functionality. | |
12319 | * | |
12320 | * This function creates a work queue, as detailed in @wq, on a port, described | |
12321 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
12322 | * | |
12323 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
12324 | * is used to get the entry count and entry size that are necessary to | |
12325 | * determine the number of pages to allocate and use for this queue. The @cq | |
12326 | * is used to indicate which completion queue to bind this work queue to. This | |
12327 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
12328 | * work queue. This function is asynchronous and will wait for the mailbox | |
12329 | * command to finish before continuing. | |
12330 | * | |
12331 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
12332 | * memory this function will return -ENOMEM. If the queue create mailbox command |
12333 | * fails this function will return -ENXIO. | |
4f774513 JS |
12334 | **/ |
12335 | uint32_t | |
12336 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, | |
12337 | struct lpfc_queue *cq, uint32_t subtype) | |
12338 | { | |
12339 | struct lpfc_mbx_wq_create *wq_create; | |
12340 | struct lpfc_dmabuf *dmabuf; | |
12341 | LPFC_MBOXQ_t *mbox; | |
12342 | int rc, length, status = 0; | |
12343 | uint32_t shdr_status, shdr_add_status; | |
12344 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 12345 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 12346 | struct dma_address *page; |
49198b37 | 12347 | |
2e90f4b5 JS |
12348 | /* sanity check on queue memory */ |
12349 | if (!wq || !cq) | |
12350 | return -ENODEV; | |
49198b37 JS |
12351 | if (!phba->sli4_hba.pc_sli4_params.supported) |
12352 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
12353 | |
12354 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
12355 | if (!mbox) | |
12356 | return -ENOMEM; | |
12357 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
12358 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12359 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
12360 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
12361 | length, LPFC_SLI4_MBX_EMBED); | |
12362 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 12363 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
12364 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
12365 | wq->page_count); | |
12366 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
12367 | cq->queue_id); | |
5a6f133e JS |
12368 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
12369 | phba->sli4_hba.pc_sli4_params.wqv); | |
12370 | if (phba->sli4_hba.pc_sli4_params.wqv == LPFC_Q_CREATE_VERSION_1) { | |
12371 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, | |
12372 | wq->entry_count); | |
12373 | switch (wq->entry_size) { | |
12374 | default: | |
12375 | case 64: | |
12376 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
12377 | &wq_create->u.request_1, | |
12378 | LPFC_WQ_WQE_SIZE_64); | |
12379 | break; | |
12380 | case 128: | |
12381 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
12382 | &wq_create->u.request_1, | |
12383 | LPFC_WQ_WQE_SIZE_128); | |
12384 | break; | |
12385 | } | |
12386 | bf_set(lpfc_mbx_wq_create_page_size, &wq_create->u.request_1, | |
12387 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
12388 | page = wq_create->u.request_1.page; | |
12389 | } else { | |
12390 | page = wq_create->u.request.page; | |
12391 | } | |
4f774513 | 12392 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 12393 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
12394 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
12395 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 JS |
12396 | } |
12397 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
12398 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
12399 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
12400 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12401 | if (shdr_status || shdr_add_status || rc) { | |
12402 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12403 | "2503 WQ_CREATE mailbox failed with " | |
12404 | "status x%x add_status x%x, mbx status x%x\n", | |
12405 | shdr_status, shdr_add_status, rc); | |
12406 | status = -ENXIO; | |
12407 | goto out; | |
12408 | } | |
12409 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, &wq_create->u.response); | |
12410 | if (wq->queue_id == 0xFFFF) { | |
12411 | status = -ENXIO; | |
12412 | goto out; | |
12413 | } | |
12414 | wq->type = LPFC_WQ; | |
2a622bfb | 12415 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
12416 | wq->subtype = subtype; |
12417 | wq->host_index = 0; | |
12418 | wq->hba_index = 0; | |
ff78d8f9 | 12419 | wq->entry_repost = LPFC_RELEASE_NOTIFICATION_INTERVAL; |
4f774513 JS |
12420 | |
12421 | /* link the wq onto the parent cq child list */ | |
12422 | list_add_tail(&wq->list, &cq->child_list); | |
12423 | out: | |
8fa38513 | 12424 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
12425 | return status; |
12426 | } | |
12427 | ||
73d91e50 JS |
12428 | /** |
12429 | * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ | |
12430 | * @phba: HBA structure that indicates port to create a queue on. | |
12431 | * @rq: The queue structure to use for the receive queue. | |
12432 | * @qno: The associated HBQ number | |
12433 | * | |
12434 | * | |
12435 | * For SLI4 we need to adjust the RQ repost value based on | |
12436 | * the number of buffers that are initially posted to the RQ. | |
12437 | */ | |
12438 | void | |
12439 | lpfc_rq_adjust_repost(struct lpfc_hba *phba, struct lpfc_queue *rq, int qno) | |
12440 | { | |
12441 | uint32_t cnt; | |
12442 | ||
2e90f4b5 JS |
12443 | /* sanity check on queue memory */ |
12444 | if (!rq) | |
12445 | return; | |
73d91e50 JS |
12446 | cnt = lpfc_hbq_defs[qno]->entry_count; |
12447 | ||
12448 | /* Recalc repost for RQs based on buffers initially posted */ | |
12449 | cnt = (cnt >> 3); | |
12450 | if (cnt < LPFC_QUEUE_MIN_REPOST) | |
12451 | cnt = LPFC_QUEUE_MIN_REPOST; | |
12452 | ||
12453 | rq->entry_repost = cnt; | |
12454 | } | |
12455 | ||
4f774513 JS |
12456 | /** |
12457 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
12458 | * @phba: HBA structure that indicates port to create a queue on. | |
12459 | * @hrq: The queue structure to use to create the header receive queue. | |
12460 | * @drq: The queue structure to use to create the data receive queue. | |
12461 | * @cq: The completion queue to bind this work queue to. | |
12462 | * | |
12463 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
12464 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
12465 | * to the HBA. | |
12466 | * | |
12467 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
12468 | * struct is used to get the entry count that is necessary to determine the | |
12469 | * number of pages to use for this queue. The @cq is used to indicate which | |
12470 | * completion queue to bind received buffers that are posted to these queues to. | |
12471 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
12472 | * receive queue pair. This function is asynchronous and will wait for the | |
12473 | * mailbox command to finish before continuing. | |
12474 | * | |
12475 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
12476 | * memory this function will return -ENOMEM. If the queue create mailbox command |
12477 | * fails this function will return -ENXIO. | |
4f774513 JS |
12478 | **/ |
12479 | uint32_t | |
12480 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, | |
12481 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
12482 | { | |
12483 | struct lpfc_mbx_rq_create *rq_create; | |
12484 | struct lpfc_dmabuf *dmabuf; | |
12485 | LPFC_MBOXQ_t *mbox; | |
12486 | int rc, length, status = 0; | |
12487 | uint32_t shdr_status, shdr_add_status; | |
12488 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 JS |
12489 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
12490 | ||
2e90f4b5 JS |
12491 | /* sanity check on queue memory */ |
12492 | if (!hrq || !drq || !cq) | |
12493 | return -ENODEV; | |
49198b37 JS |
12494 | if (!phba->sli4_hba.pc_sli4_params.supported) |
12495 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
12496 | |
12497 | if (hrq->entry_count != drq->entry_count) | |
12498 | return -EINVAL; | |
12499 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
12500 | if (!mbox) | |
12501 | return -ENOMEM; | |
12502 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
12503 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12504 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
12505 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
12506 | length, LPFC_SLI4_MBX_EMBED); | |
12507 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
12508 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
12509 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
12510 | phba->sli4_hba.pc_sli4_params.rqv); | |
12511 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
12512 | bf_set(lpfc_rq_context_rqe_count_1, | |
12513 | &rq_create->u.request.context, | |
12514 | hrq->entry_count); | |
12515 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
12516 | bf_set(lpfc_rq_context_rqe_size, |
12517 | &rq_create->u.request.context, | |
12518 | LPFC_RQE_SIZE_8); | |
12519 | bf_set(lpfc_rq_context_page_size, | |
12520 | &rq_create->u.request.context, | |
12521 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
12522 | } else { |
12523 | switch (hrq->entry_count) { | |
12524 | default: | |
12525 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12526 | "2535 Unsupported RQ count. (%d)\n", | |
12527 | hrq->entry_count); | |
12528 | if (hrq->entry_count < 512) | |
12529 | return -EINVAL; | |
12530 | /* otherwise default to smallest count (drop through) */ | |
12531 | case 512: | |
12532 | bf_set(lpfc_rq_context_rqe_count, | |
12533 | &rq_create->u.request.context, | |
12534 | LPFC_RQ_RING_SIZE_512); | |
12535 | break; | |
12536 | case 1024: | |
12537 | bf_set(lpfc_rq_context_rqe_count, | |
12538 | &rq_create->u.request.context, | |
12539 | LPFC_RQ_RING_SIZE_1024); | |
12540 | break; | |
12541 | case 2048: | |
12542 | bf_set(lpfc_rq_context_rqe_count, | |
12543 | &rq_create->u.request.context, | |
12544 | LPFC_RQ_RING_SIZE_2048); | |
12545 | break; | |
12546 | case 4096: | |
12547 | bf_set(lpfc_rq_context_rqe_count, | |
12548 | &rq_create->u.request.context, | |
12549 | LPFC_RQ_RING_SIZE_4096); | |
12550 | break; | |
12551 | } | |
12552 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
12553 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
12554 | } |
12555 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
12556 | cq->queue_id); | |
12557 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
12558 | hrq->page_count); | |
4f774513 | 12559 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 12560 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
12561 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
12562 | putPaddrLow(dmabuf->phys); | |
12563 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
12564 | putPaddrHigh(dmabuf->phys); | |
12565 | } | |
12566 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
12567 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
12568 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
12569 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12570 | if (shdr_status || shdr_add_status || rc) { | |
12571 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12572 | "2504 RQ_CREATE mailbox failed with " | |
12573 | "status x%x add_status x%x, mbx status x%x\n", | |
12574 | shdr_status, shdr_add_status, rc); | |
12575 | status = -ENXIO; | |
12576 | goto out; | |
12577 | } | |
12578 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
12579 | if (hrq->queue_id == 0xFFFF) { | |
12580 | status = -ENXIO; | |
12581 | goto out; | |
12582 | } | |
12583 | hrq->type = LPFC_HRQ; | |
2a622bfb | 12584 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
12585 | hrq->subtype = subtype; |
12586 | hrq->host_index = 0; | |
12587 | hrq->hba_index = 0; | |
12588 | ||
12589 | /* now create the data queue */ | |
12590 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
12591 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
12592 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
12593 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
12594 | phba->sli4_hba.pc_sli4_params.rqv); | |
12595 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
12596 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 12597 | &rq_create->u.request.context, hrq->entry_count); |
5a6f133e | 12598 | rq_create->u.request.context.buffer_size = LPFC_DATA_BUF_SIZE; |
c31098ce JS |
12599 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
12600 | LPFC_RQE_SIZE_8); | |
12601 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
12602 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
12603 | } else { |
12604 | switch (drq->entry_count) { | |
12605 | default: | |
12606 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12607 | "2536 Unsupported RQ count. (%d)\n", | |
12608 | drq->entry_count); | |
12609 | if (drq->entry_count < 512) | |
12610 | return -EINVAL; | |
12611 | /* otherwise default to smallest count (drop through) */ | |
12612 | case 512: | |
12613 | bf_set(lpfc_rq_context_rqe_count, | |
12614 | &rq_create->u.request.context, | |
12615 | LPFC_RQ_RING_SIZE_512); | |
12616 | break; | |
12617 | case 1024: | |
12618 | bf_set(lpfc_rq_context_rqe_count, | |
12619 | &rq_create->u.request.context, | |
12620 | LPFC_RQ_RING_SIZE_1024); | |
12621 | break; | |
12622 | case 2048: | |
12623 | bf_set(lpfc_rq_context_rqe_count, | |
12624 | &rq_create->u.request.context, | |
12625 | LPFC_RQ_RING_SIZE_2048); | |
12626 | break; | |
12627 | case 4096: | |
12628 | bf_set(lpfc_rq_context_rqe_count, | |
12629 | &rq_create->u.request.context, | |
12630 | LPFC_RQ_RING_SIZE_4096); | |
12631 | break; | |
12632 | } | |
12633 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
12634 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
12635 | } |
12636 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
12637 | cq->queue_id); | |
12638 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
12639 | drq->page_count); | |
4f774513 JS |
12640 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
12641 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
12642 | putPaddrLow(dmabuf->phys); | |
12643 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
12644 | putPaddrHigh(dmabuf->phys); | |
12645 | } | |
12646 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
12647 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
12648 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
12649 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12650 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12651 | if (shdr_status || shdr_add_status || rc) { | |
12652 | status = -ENXIO; | |
12653 | goto out; | |
12654 | } | |
12655 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
12656 | if (drq->queue_id == 0xFFFF) { | |
12657 | status = -ENXIO; | |
12658 | goto out; | |
12659 | } | |
12660 | drq->type = LPFC_DRQ; | |
2a622bfb | 12661 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
12662 | drq->subtype = subtype; |
12663 | drq->host_index = 0; | |
12664 | drq->hba_index = 0; | |
12665 | ||
12666 | /* link the header and data RQs onto the parent cq child list */ | |
12667 | list_add_tail(&hrq->list, &cq->child_list); | |
12668 | list_add_tail(&drq->list, &cq->child_list); | |
12669 | ||
12670 | out: | |
8fa38513 | 12671 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
12672 | return status; |
12673 | } | |
12674 | ||
12675 | /** | |
12676 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
12677 | * @eq: The queue structure associated with the queue to destroy. | |
12678 | * | |
12679 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
12680 | * command, specific to the type of queue, to the HBA. | |
12681 | * | |
12682 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
12683 | * | |
12684 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 12685 | * command fails this function will return -ENXIO. |
4f774513 JS |
12686 | **/ |
12687 | uint32_t | |
12688 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) | |
12689 | { | |
12690 | LPFC_MBOXQ_t *mbox; | |
12691 | int rc, length, status = 0; | |
12692 | uint32_t shdr_status, shdr_add_status; | |
12693 | union lpfc_sli4_cfg_shdr *shdr; | |
12694 | ||
2e90f4b5 | 12695 | /* sanity check on queue memory */ |
4f774513 JS |
12696 | if (!eq) |
12697 | return -ENODEV; | |
12698 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); | |
12699 | if (!mbox) | |
12700 | return -ENOMEM; | |
12701 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
12702 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12703 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
12704 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
12705 | length, LPFC_SLI4_MBX_EMBED); | |
12706 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
12707 | eq->queue_id); | |
12708 | mbox->vport = eq->phba->pport; | |
12709 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
12710 | ||
12711 | rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL); | |
12712 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
12713 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12714 | &mbox->u.mqe.un.eq_destroy.header.cfg_shdr; | |
12715 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12716 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12717 | if (shdr_status || shdr_add_status || rc) { | |
12718 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12719 | "2505 EQ_DESTROY mailbox failed with " | |
12720 | "status x%x add_status x%x, mbx status x%x\n", | |
12721 | shdr_status, shdr_add_status, rc); | |
12722 | status = -ENXIO; | |
12723 | } | |
12724 | ||
12725 | /* Remove eq from any list */ | |
12726 | list_del_init(&eq->list); | |
8fa38513 | 12727 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
12728 | return status; |
12729 | } | |
12730 | ||
12731 | /** | |
12732 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
12733 | * @cq: The queue structure associated with the queue to destroy. | |
12734 | * | |
12735 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
12736 | * command, specific to the type of queue, to the HBA. | |
12737 | * | |
12738 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
12739 | * | |
12740 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 12741 | * command fails this function will return -ENXIO. |
4f774513 JS |
12742 | **/ |
12743 | uint32_t | |
12744 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) | |
12745 | { | |
12746 | LPFC_MBOXQ_t *mbox; | |
12747 | int rc, length, status = 0; | |
12748 | uint32_t shdr_status, shdr_add_status; | |
12749 | union lpfc_sli4_cfg_shdr *shdr; | |
12750 | ||
2e90f4b5 | 12751 | /* sanity check on queue memory */ |
4f774513 JS |
12752 | if (!cq) |
12753 | return -ENODEV; | |
12754 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
12755 | if (!mbox) | |
12756 | return -ENOMEM; | |
12757 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
12758 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12759 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
12760 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
12761 | length, LPFC_SLI4_MBX_EMBED); | |
12762 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
12763 | cq->queue_id); | |
12764 | mbox->vport = cq->phba->pport; | |
12765 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
12766 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
12767 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
12768 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12769 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
12770 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12771 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12772 | if (shdr_status || shdr_add_status || rc) { | |
12773 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12774 | "2506 CQ_DESTROY mailbox failed with " | |
12775 | "status x%x add_status x%x, mbx status x%x\n", | |
12776 | shdr_status, shdr_add_status, rc); | |
12777 | status = -ENXIO; | |
12778 | } | |
12779 | /* Remove cq from any list */ | |
12780 | list_del_init(&cq->list); | |
8fa38513 | 12781 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
12782 | return status; |
12783 | } | |
12784 | ||
04c68496 JS |
12785 | /** |
12786 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
12787 | * @qm: The queue structure associated with the queue to destroy. | |
12788 | * | |
12789 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
12790 | * command, specific to the type of queue, to the HBA. | |
12791 | * | |
12792 | * The @mq struct is used to get the queue ID of the queue to destroy. | |
12793 | * | |
12794 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 12795 | * command fails this function will return -ENXIO. |
04c68496 JS |
12796 | **/ |
12797 | uint32_t | |
12798 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) | |
12799 | { | |
12800 | LPFC_MBOXQ_t *mbox; | |
12801 | int rc, length, status = 0; | |
12802 | uint32_t shdr_status, shdr_add_status; | |
12803 | union lpfc_sli4_cfg_shdr *shdr; | |
12804 | ||
2e90f4b5 | 12805 | /* sanity check on queue memory */ |
04c68496 JS |
12806 | if (!mq) |
12807 | return -ENODEV; | |
12808 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
12809 | if (!mbox) | |
12810 | return -ENOMEM; | |
12811 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
12812 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12813 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
12814 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
12815 | length, LPFC_SLI4_MBX_EMBED); | |
12816 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
12817 | mq->queue_id); | |
12818 | mbox->vport = mq->phba->pport; | |
12819 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
12820 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
12821 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
12822 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12823 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
12824 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12825 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12826 | if (shdr_status || shdr_add_status || rc) { | |
12827 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12828 | "2507 MQ_DESTROY mailbox failed with " | |
12829 | "status x%x add_status x%x, mbx status x%x\n", | |
12830 | shdr_status, shdr_add_status, rc); | |
12831 | status = -ENXIO; | |
12832 | } | |
12833 | /* Remove mq from any list */ | |
12834 | list_del_init(&mq->list); | |
8fa38513 | 12835 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
12836 | return status; |
12837 | } | |
12838 | ||
4f774513 JS |
12839 | /** |
12840 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
12841 | * @wq: The queue structure associated with the queue to destroy. | |
12842 | * | |
12843 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
12844 | * command, specific to the type of queue, to the HBA. | |
12845 | * | |
12846 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
12847 | * | |
12848 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 12849 | * command fails this function will return -ENXIO. |
4f774513 JS |
12850 | **/ |
12851 | uint32_t | |
12852 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) | |
12853 | { | |
12854 | LPFC_MBOXQ_t *mbox; | |
12855 | int rc, length, status = 0; | |
12856 | uint32_t shdr_status, shdr_add_status; | |
12857 | union lpfc_sli4_cfg_shdr *shdr; | |
12858 | ||
2e90f4b5 | 12859 | /* sanity check on queue memory */ |
4f774513 JS |
12860 | if (!wq) |
12861 | return -ENODEV; | |
12862 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
12863 | if (!mbox) | |
12864 | return -ENOMEM; | |
12865 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
12866 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
12867 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
12868 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
12869 | length, LPFC_SLI4_MBX_EMBED); | |
12870 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
12871 | wq->queue_id); | |
12872 | mbox->vport = wq->phba->pport; | |
12873 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
12874 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
12875 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12876 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
12877 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12878 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12879 | if (shdr_status || shdr_add_status || rc) { | |
12880 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12881 | "2508 WQ_DESTROY mailbox failed with " | |
12882 | "status x%x add_status x%x, mbx status x%x\n", | |
12883 | shdr_status, shdr_add_status, rc); | |
12884 | status = -ENXIO; | |
12885 | } | |
12886 | /* Remove wq from any list */ | |
12887 | list_del_init(&wq->list); | |
8fa38513 | 12888 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
12889 | return status; |
12890 | } | |
12891 | ||
12892 | /** | |
12893 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
12894 | * @rq: The queue structure associated with the queue to destroy. | |
12895 | * | |
12896 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
12897 | * command, specific to the type of queue, to the HBA. | |
12898 | * | |
12899 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
12900 | * | |
12901 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 12902 | * command fails this function will return -ENXIO. |
4f774513 JS |
12903 | **/ |
12904 | uint32_t | |
12905 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, | |
12906 | struct lpfc_queue *drq) | |
12907 | { | |
12908 | LPFC_MBOXQ_t *mbox; | |
12909 | int rc, length, status = 0; | |
12910 | uint32_t shdr_status, shdr_add_status; | |
12911 | union lpfc_sli4_cfg_shdr *shdr; | |
12912 | ||
2e90f4b5 | 12913 | /* sanity check on queue memory */ |
4f774513 JS |
12914 | if (!hrq || !drq) |
12915 | return -ENODEV; | |
12916 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
12917 | if (!mbox) | |
12918 | return -ENOMEM; | |
12919 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 12920 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
12921 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
12922 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
12923 | length, LPFC_SLI4_MBX_EMBED); | |
12924 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
12925 | hrq->queue_id); | |
12926 | mbox->vport = hrq->phba->pport; | |
12927 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
12928 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
12929 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
12930 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12931 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
12932 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12933 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12934 | if (shdr_status || shdr_add_status || rc) { | |
12935 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12936 | "2509 RQ_DESTROY mailbox failed with " | |
12937 | "status x%x add_status x%x, mbx status x%x\n", | |
12938 | shdr_status, shdr_add_status, rc); | |
12939 | if (rc != MBX_TIMEOUT) | |
12940 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
12941 | return -ENXIO; | |
12942 | } | |
12943 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
12944 | drq->queue_id); | |
12945 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
12946 | shdr = (union lpfc_sli4_cfg_shdr *) | |
12947 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
12948 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
12949 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
12950 | if (shdr_status || shdr_add_status || rc) { | |
12951 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12952 | "2510 RQ_DESTROY mailbox failed with " | |
12953 | "status x%x add_status x%x, mbx status x%x\n", | |
12954 | shdr_status, shdr_add_status, rc); | |
12955 | status = -ENXIO; | |
12956 | } | |
12957 | list_del_init(&hrq->list); | |
12958 | list_del_init(&drq->list); | |
8fa38513 | 12959 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
12960 | return status; |
12961 | } | |
12962 | ||
12963 | /** | |
12964 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
12965 | * @phba: The virtual port for which this call being executed. | |
12966 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
12967 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
12968 | * @xritag: the xritag that ties this io to the SGL pages. | |
12969 | * | |
12970 | * This routine will post the sgl pages for the IO that has the xritag | |
12971 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
12972 | * creation and persists for as long as the driver is loaded. | |
12973 | * if the caller has fewer than 256 scatter gather segments to map then | |
12974 | * pdma_phys_addr1 should be 0. | |
12975 | * If the caller needs to map more than 256 scatter gather segment then | |
12976 | * pdma_phys_addr1 should be a valid physical address. | |
12977 | * physical address for SGLs must be 64 byte aligned. | |
12978 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
12979 | * the second sgl can have between 1 and 256 entries. | |
12980 | * | |
12981 | * Return codes: | |
12982 | * 0 - Success | |
12983 | * -ENXIO, -ENOMEM - Failure | |
12984 | **/ | |
12985 | int | |
12986 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
12987 | dma_addr_t pdma_phys_addr0, | |
12988 | dma_addr_t pdma_phys_addr1, | |
12989 | uint16_t xritag) | |
12990 | { | |
12991 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
12992 | LPFC_MBOXQ_t *mbox; | |
12993 | int rc; | |
12994 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 12995 | uint32_t mbox_tmo; |
4f774513 JS |
12996 | union lpfc_sli4_cfg_shdr *shdr; |
12997 | ||
12998 | if (xritag == NO_XRI) { | |
12999 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13000 | "0364 Invalid param:\n"); | |
13001 | return -EINVAL; | |
13002 | } | |
13003 | ||
13004 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
13005 | if (!mbox) | |
13006 | return -ENOMEM; | |
13007 | ||
13008 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
13009 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
13010 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 13011 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
13012 | |
13013 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
13014 | &mbox->u.mqe.un.post_sgl_pages; | |
13015 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
13016 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
13017 | ||
13018 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
13019 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
13020 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
13021 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
13022 | ||
13023 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
13024 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
13025 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
13026 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
13027 | if (!phba->sli4_hba.intr_enable) | |
13028 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 13029 | else { |
a183a15f | 13030 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
13031 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
13032 | } | |
4f774513 JS |
13033 | /* The IOCTL status is embedded in the mailbox subheader. */ |
13034 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
13035 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
13036 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
13037 | if (rc != MBX_TIMEOUT) | |
13038 | mempool_free(mbox, phba->mbox_mem_pool); | |
13039 | if (shdr_status || shdr_add_status || rc) { | |
13040 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13041 | "2511 POST_SGL mailbox failed with " | |
13042 | "status x%x add_status x%x, mbx status x%x\n", | |
13043 | shdr_status, shdr_add_status, rc); | |
13044 | rc = -ENXIO; | |
13045 | } | |
13046 | return 0; | |
13047 | } | |
4f774513 | 13048 | |
6d368e53 | 13049 | /** |
88a2cfbb | 13050 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
13051 | * @phba: pointer to lpfc hba data structure. |
13052 | * | |
13053 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
13054 | * HBA consistent with the SLI-4 interface spec. This routine |
13055 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
13056 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 13057 | * |
88a2cfbb JS |
13058 | * Returns |
13059 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
13060 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
13061 | **/ | |
6d368e53 JS |
13062 | uint16_t |
13063 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) | |
13064 | { | |
13065 | unsigned long xri; | |
13066 | ||
13067 | /* | |
13068 | * Fetch the next logical xri. Because this index is logical, | |
13069 | * the driver starts at 0 each time. | |
13070 | */ | |
13071 | spin_lock_irq(&phba->hbalock); | |
13072 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
13073 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
13074 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
13075 | spin_unlock_irq(&phba->hbalock); | |
13076 | return NO_XRI; | |
13077 | } else { | |
13078 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
13079 | phba->sli4_hba.max_cfg_param.xri_used++; | |
13080 | phba->sli4_hba.xri_count++; | |
13081 | } | |
13082 | ||
13083 | spin_unlock_irq(&phba->hbalock); | |
13084 | return xri; | |
13085 | } | |
13086 | ||
13087 | /** | |
13088 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
13089 | * @phba: pointer to lpfc hba data structure. | |
13090 | * | |
13091 | * This routine is invoked to release an xri to the pool of | |
13092 | * available rpis maintained by the driver. | |
13093 | **/ | |
13094 | void | |
13095 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
13096 | { | |
13097 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
13098 | phba->sli4_hba.xri_count--; | |
13099 | phba->sli4_hba.max_cfg_param.xri_used--; | |
13100 | } | |
13101 | } | |
13102 | ||
13103 | /** | |
13104 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
13105 | * @phba: pointer to lpfc hba data structure. | |
13106 | * | |
13107 | * This routine is invoked to release an xri to the pool of | |
13108 | * available rpis maintained by the driver. | |
13109 | **/ | |
13110 | void | |
13111 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
13112 | { | |
13113 | spin_lock_irq(&phba->hbalock); | |
13114 | __lpfc_sli4_free_xri(phba, xri); | |
13115 | spin_unlock_irq(&phba->hbalock); | |
13116 | } | |
13117 | ||
4f774513 JS |
13118 | /** |
13119 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
13120 | * @phba: Pointer to HBA context object. | |
13121 | * | |
13122 | * This function gets an xritag for the iocb. If there is no unused xritag | |
13123 | * it will return 0xffff. | |
13124 | * The function returns the allocated xritag if successful, else returns zero. | |
13125 | * Zero is not a valid xritag. | |
13126 | * The caller is not required to hold any lock. | |
13127 | **/ | |
13128 | uint16_t | |
13129 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
13130 | { | |
6d368e53 | 13131 | uint16_t xri_index; |
4f774513 | 13132 | |
6d368e53 JS |
13133 | xri_index = lpfc_sli4_alloc_xri(phba); |
13134 | if (xri_index != NO_XRI) | |
13135 | return xri_index; | |
13136 | ||
13137 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
4f774513 JS |
13138 | "2004 Failed to allocate XRI.last XRITAG is %d" |
13139 | " Max XRI is %d, Used XRI is %d\n", | |
6d368e53 | 13140 | xri_index, |
4f774513 JS |
13141 | phba->sli4_hba.max_cfg_param.max_xri, |
13142 | phba->sli4_hba.max_cfg_param.xri_used); | |
6d368e53 | 13143 | return NO_XRI; |
4f774513 JS |
13144 | } |
13145 | ||
13146 | /** | |
6d368e53 | 13147 | * lpfc_sli4_post_els_sgl_list - post a block of ELS sgls to the port. |
4f774513 JS |
13148 | * @phba: pointer to lpfc hba data structure. |
13149 | * | |
13150 | * This routine is invoked to post a block of driver's sgl pages to the | |
13151 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
13152 | * is only called when the driver is loading and after all IO has been | |
13153 | * stopped. | |
13154 | **/ | |
13155 | int | |
6d368e53 | 13156 | lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba) |
4f774513 JS |
13157 | { |
13158 | struct lpfc_sglq *sglq_entry; | |
13159 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
13160 | struct sgl_page_pairs *sgl_pg_pairs; | |
13161 | void *viraddr; | |
13162 | LPFC_MBOXQ_t *mbox; | |
13163 | uint32_t reqlen, alloclen, pg_pairs; | |
13164 | uint32_t mbox_tmo; | |
6d368e53 | 13165 | uint16_t xritag_start = 0, lxri = 0; |
4f774513 JS |
13166 | int els_xri_cnt, rc = 0; |
13167 | uint32_t shdr_status, shdr_add_status; | |
13168 | union lpfc_sli4_cfg_shdr *shdr; | |
13169 | ||
13170 | /* The number of sgls to be posted */ | |
13171 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
13172 | ||
13173 | reqlen = els_xri_cnt * sizeof(struct sgl_page_pairs) + | |
13174 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); | |
49198b37 | 13175 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 JS |
13176 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
13177 | "2559 Block sgl registration required DMA " | |
13178 | "size (%d) great than a page\n", reqlen); | |
13179 | return -ENOMEM; | |
13180 | } | |
13181 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6d368e53 | 13182 | if (!mbox) |
4f774513 | 13183 | return -ENOMEM; |
4f774513 JS |
13184 | |
13185 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
13186 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
13187 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
13188 | LPFC_SLI4_MBX_NEMBED); | |
13189 | ||
13190 | if (alloclen < reqlen) { | |
13191 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13192 | "0285 Allocated DMA memory size (%d) is " | |
13193 | "less than the requested DMA memory " | |
13194 | "size (%d)\n", alloclen, reqlen); | |
13195 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13196 | return -ENOMEM; | |
13197 | } | |
4f774513 | 13198 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 13199 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
13200 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
13201 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
13202 | ||
13203 | for (pg_pairs = 0; pg_pairs < els_xri_cnt; pg_pairs++) { | |
13204 | sglq_entry = phba->sli4_hba.lpfc_els_sgl_array[pg_pairs]; | |
6d368e53 JS |
13205 | |
13206 | /* | |
13207 | * Assign the sglq a physical xri only if the driver has not | |
13208 | * initialized those resources. A port reset only needs | |
13209 | * the sglq's posted. | |
13210 | */ | |
13211 | if (bf_get(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
13212 | LPFC_XRI_RSRC_RDY) { | |
13213 | lxri = lpfc_sli4_next_xritag(phba); | |
13214 | if (lxri == NO_XRI) { | |
13215 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13216 | return -ENOMEM; | |
13217 | } | |
13218 | sglq_entry->sli4_lxritag = lxri; | |
13219 | sglq_entry->sli4_xritag = phba->sli4_hba.xri_ids[lxri]; | |
13220 | } | |
13221 | ||
4f774513 JS |
13222 | /* Set up the sge entry */ |
13223 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
13224 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
13225 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
13226 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
13227 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
13228 | cpu_to_le32(putPaddrLow(0)); | |
13229 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
13230 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 13231 | |
4f774513 JS |
13232 | /* Keep the first xritag on the list */ |
13233 | if (pg_pairs == 0) | |
13234 | xritag_start = sglq_entry->sli4_xritag; | |
13235 | sgl_pg_pairs++; | |
13236 | } | |
6d368e53 JS |
13237 | |
13238 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 13239 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
6a9c52cf | 13240 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, els_xri_cnt); |
4f774513 | 13241 | sgl->word0 = cpu_to_le32(sgl->word0); |
4f774513 JS |
13242 | if (!phba->sli4_hba.intr_enable) |
13243 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
13244 | else { | |
a183a15f | 13245 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
13246 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
13247 | } | |
13248 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
13249 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
13250 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
13251 | if (rc != MBX_TIMEOUT) | |
13252 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13253 | if (shdr_status || shdr_add_status || rc) { | |
13254 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13255 | "2513 POST_SGL_BLOCK mailbox command failed " | |
13256 | "status x%x add_status x%x mbx status x%x\n", | |
13257 | shdr_status, shdr_add_status, rc); | |
13258 | rc = -ENXIO; | |
13259 | } | |
6d368e53 JS |
13260 | |
13261 | if (rc == 0) | |
13262 | bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
13263 | LPFC_XRI_RSRC_RDY); | |
13264 | return rc; | |
13265 | } | |
13266 | ||
13267 | /** | |
13268 | * lpfc_sli4_post_els_sgl_list_ext - post a block of ELS sgls to the port. | |
13269 | * @phba: pointer to lpfc hba data structure. | |
13270 | * | |
13271 | * This routine is invoked to post a block of driver's sgl pages to the | |
13272 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
13273 | * is only called when the driver is loading and after all IO has been | |
13274 | * stopped. | |
13275 | **/ | |
13276 | int | |
13277 | lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba) | |
13278 | { | |
13279 | struct lpfc_sglq *sglq_entry; | |
13280 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
13281 | struct sgl_page_pairs *sgl_pg_pairs; | |
13282 | void *viraddr; | |
13283 | LPFC_MBOXQ_t *mbox; | |
13284 | uint32_t reqlen, alloclen, index; | |
13285 | uint32_t mbox_tmo; | |
13286 | uint16_t rsrc_start, rsrc_size, els_xri_cnt; | |
13287 | uint16_t xritag_start = 0, lxri = 0; | |
13288 | struct lpfc_rsrc_blks *rsrc_blk; | |
13289 | int cnt, ttl_cnt, rc = 0; | |
13290 | int loop_cnt; | |
13291 | uint32_t shdr_status, shdr_add_status; | |
13292 | union lpfc_sli4_cfg_shdr *shdr; | |
13293 | ||
13294 | /* The number of sgls to be posted */ | |
13295 | els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); | |
13296 | ||
13297 | reqlen = els_xri_cnt * sizeof(struct sgl_page_pairs) + | |
13298 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); | |
13299 | if (reqlen > SLI4_PAGE_SIZE) { | |
13300 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
13301 | "2989 Block sgl registration required DMA " | |
13302 | "size (%d) great than a page\n", reqlen); | |
13303 | return -ENOMEM; | |
13304 | } | |
13305 | ||
13306 | cnt = 0; | |
13307 | ttl_cnt = 0; | |
13308 | list_for_each_entry(rsrc_blk, &phba->sli4_hba.lpfc_xri_blk_list, | |
13309 | list) { | |
13310 | rsrc_start = rsrc_blk->rsrc_start; | |
13311 | rsrc_size = rsrc_blk->rsrc_size; | |
13312 | ||
13313 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
13314 | "3014 Working ELS Extent start %d, cnt %d\n", | |
13315 | rsrc_start, rsrc_size); | |
13316 | ||
13317 | loop_cnt = min(els_xri_cnt, rsrc_size); | |
13318 | if (ttl_cnt + loop_cnt >= els_xri_cnt) { | |
13319 | loop_cnt = els_xri_cnt - ttl_cnt; | |
13320 | ttl_cnt = els_xri_cnt; | |
13321 | } | |
13322 | ||
13323 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
13324 | if (!mbox) | |
13325 | return -ENOMEM; | |
13326 | /* | |
13327 | * Allocate DMA memory and set up the non-embedded mailbox | |
13328 | * command. | |
13329 | */ | |
13330 | alloclen = lpfc_sli4_config(phba, mbox, | |
13331 | LPFC_MBOX_SUBSYSTEM_FCOE, | |
13332 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
13333 | reqlen, LPFC_SLI4_MBX_NEMBED); | |
13334 | if (alloclen < reqlen) { | |
13335 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13336 | "2987 Allocated DMA memory size (%d) " | |
13337 | "is less than the requested DMA memory " | |
13338 | "size (%d)\n", alloclen, reqlen); | |
13339 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13340 | return -ENOMEM; | |
13341 | } | |
13342 | ||
13343 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
13344 | viraddr = mbox->sge_array->addr[0]; | |
13345 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
13346 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
13347 | ||
13348 | /* | |
13349 | * The starting resource may not begin at zero. Control | |
13350 | * the loop variants via the block resource parameters, | |
13351 | * but handle the sge pointers with a zero-based index | |
13352 | * that doesn't get reset per loop pass. | |
13353 | */ | |
13354 | for (index = rsrc_start; | |
13355 | index < rsrc_start + loop_cnt; | |
13356 | index++) { | |
13357 | sglq_entry = phba->sli4_hba.lpfc_els_sgl_array[cnt]; | |
13358 | ||
13359 | /* | |
13360 | * Assign the sglq a physical xri only if the driver | |
13361 | * has not initialized those resources. A port reset | |
13362 | * only needs the sglq's posted. | |
13363 | */ | |
13364 | if (bf_get(lpfc_xri_rsrc_rdy, | |
13365 | &phba->sli4_hba.sli4_flags) != | |
13366 | LPFC_XRI_RSRC_RDY) { | |
13367 | lxri = lpfc_sli4_next_xritag(phba); | |
13368 | if (lxri == NO_XRI) { | |
13369 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13370 | rc = -ENOMEM; | |
13371 | goto err_exit; | |
13372 | } | |
13373 | sglq_entry->sli4_lxritag = lxri; | |
13374 | sglq_entry->sli4_xritag = | |
13375 | phba->sli4_hba.xri_ids[lxri]; | |
13376 | } | |
13377 | ||
13378 | /* Set up the sge entry */ | |
13379 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
13380 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
13381 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
13382 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
13383 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
13384 | cpu_to_le32(putPaddrLow(0)); | |
13385 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
13386 | cpu_to_le32(putPaddrHigh(0)); | |
13387 | ||
13388 | /* Track the starting physical XRI for the mailbox. */ | |
13389 | if (index == rsrc_start) | |
13390 | xritag_start = sglq_entry->sli4_xritag; | |
13391 | sgl_pg_pairs++; | |
13392 | cnt++; | |
13393 | } | |
13394 | ||
13395 | /* Complete initialization and perform endian conversion. */ | |
13396 | rsrc_blk->rsrc_used += loop_cnt; | |
13397 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
13398 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, loop_cnt); | |
13399 | sgl->word0 = cpu_to_le32(sgl->word0); | |
13400 | ||
13401 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
13402 | "3015 Post ELS Extent SGL, start %d, " | |
13403 | "cnt %d, used %d\n", | |
13404 | xritag_start, loop_cnt, rsrc_blk->rsrc_used); | |
13405 | if (!phba->sli4_hba.intr_enable) | |
13406 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
13407 | else { | |
a183a15f | 13408 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
13409 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
13410 | } | |
13411 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
13412 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
13413 | &shdr->response); | |
13414 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
13415 | &shdr->response); | |
13416 | if (rc != MBX_TIMEOUT) | |
13417 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13418 | if (shdr_status || shdr_add_status || rc) { | |
13419 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13420 | "2988 POST_SGL_BLOCK mailbox " | |
13421 | "command failed status x%x " | |
13422 | "add_status x%x mbx status x%x\n", | |
13423 | shdr_status, shdr_add_status, rc); | |
13424 | rc = -ENXIO; | |
13425 | goto err_exit; | |
13426 | } | |
13427 | if (ttl_cnt >= els_xri_cnt) | |
13428 | break; | |
13429 | } | |
13430 | ||
13431 | err_exit: | |
13432 | if (rc == 0) | |
13433 | bf_set(lpfc_xri_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
13434 | LPFC_XRI_RSRC_RDY); | |
4f774513 JS |
13435 | return rc; |
13436 | } | |
13437 | ||
13438 | /** | |
13439 | * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware | |
13440 | * @phba: pointer to lpfc hba data structure. | |
13441 | * @sblist: pointer to scsi buffer list. | |
13442 | * @count: number of scsi buffers on the list. | |
13443 | * | |
13444 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
13445 | * SCSI buffer list @sblist to the HBA using non-embedded mailbox command. | |
13446 | * No Lock is held. | |
13447 | * | |
13448 | **/ | |
13449 | int | |
13450 | lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, struct list_head *sblist, | |
13451 | int cnt) | |
13452 | { | |
13453 | struct lpfc_scsi_buf *psb; | |
13454 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
13455 | struct sgl_page_pairs *sgl_pg_pairs; | |
13456 | void *viraddr; | |
13457 | LPFC_MBOXQ_t *mbox; | |
13458 | uint32_t reqlen, alloclen, pg_pairs; | |
13459 | uint32_t mbox_tmo; | |
13460 | uint16_t xritag_start = 0; | |
13461 | int rc = 0; | |
13462 | uint32_t shdr_status, shdr_add_status; | |
13463 | dma_addr_t pdma_phys_bpl1; | |
13464 | union lpfc_sli4_cfg_shdr *shdr; | |
13465 | ||
13466 | /* Calculate the requested length of the dma memory */ | |
13467 | reqlen = cnt * sizeof(struct sgl_page_pairs) + | |
13468 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); | |
49198b37 | 13469 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 JS |
13470 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
13471 | "0217 Block sgl registration required DMA " | |
13472 | "size (%d) great than a page\n", reqlen); | |
13473 | return -ENOMEM; | |
13474 | } | |
13475 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
13476 | if (!mbox) { | |
13477 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13478 | "0283 Failed to allocate mbox cmd memory\n"); | |
13479 | return -ENOMEM; | |
13480 | } | |
13481 | ||
13482 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
13483 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
13484 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
13485 | LPFC_SLI4_MBX_NEMBED); | |
13486 | ||
13487 | if (alloclen < reqlen) { | |
13488 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13489 | "2561 Allocated DMA memory size (%d) is " | |
13490 | "less than the requested DMA memory " | |
13491 | "size (%d)\n", alloclen, reqlen); | |
13492 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13493 | return -ENOMEM; | |
13494 | } | |
6d368e53 | 13495 | |
4f774513 | 13496 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
13497 | viraddr = mbox->sge_array->addr[0]; |
13498 | ||
13499 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
13500 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
13501 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
13502 | ||
13503 | pg_pairs = 0; | |
13504 | list_for_each_entry(psb, sblist, list) { | |
13505 | /* Set up the sge entry */ | |
13506 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
13507 | cpu_to_le32(putPaddrLow(psb->dma_phys_bpl)); | |
13508 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
13509 | cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl)); | |
13510 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) | |
13511 | pdma_phys_bpl1 = psb->dma_phys_bpl + SGL_PAGE_SIZE; | |
13512 | else | |
13513 | pdma_phys_bpl1 = 0; | |
13514 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
13515 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
13516 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
13517 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
13518 | /* Keep the first xritag on the list */ | |
13519 | if (pg_pairs == 0) | |
13520 | xritag_start = psb->cur_iocbq.sli4_xritag; | |
13521 | sgl_pg_pairs++; | |
13522 | pg_pairs++; | |
13523 | } | |
13524 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
13525 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
13526 | /* Perform endian conversion if necessary */ | |
13527 | sgl->word0 = cpu_to_le32(sgl->word0); | |
13528 | ||
13529 | if (!phba->sli4_hba.intr_enable) | |
13530 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
13531 | else { | |
a183a15f | 13532 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
13533 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
13534 | } | |
13535 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
13536 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
13537 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
13538 | if (rc != MBX_TIMEOUT) | |
13539 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13540 | if (shdr_status || shdr_add_status || rc) { | |
13541 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13542 | "2564 POST_SGL_BLOCK mailbox command failed " | |
13543 | "status x%x add_status x%x mbx status x%x\n", | |
13544 | shdr_status, shdr_add_status, rc); | |
13545 | rc = -ENXIO; | |
13546 | } | |
13547 | return rc; | |
13548 | } | |
13549 | ||
6d368e53 JS |
13550 | /** |
13551 | * lpfc_sli4_post_scsi_sgl_blk_ext - post a block of scsi sgls to the port. | |
13552 | * @phba: pointer to lpfc hba data structure. | |
13553 | * @sblist: pointer to scsi buffer list. | |
13554 | * @count: number of scsi buffers on the list. | |
13555 | * | |
13556 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
13557 | * SCSI buffer list @sblist to the HBA using non-embedded mailbox command. | |
13558 | * No Lock is held. | |
13559 | * | |
13560 | **/ | |
13561 | int | |
13562 | lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *phba, struct list_head *sblist, | |
13563 | int cnt) | |
13564 | { | |
13565 | struct lpfc_scsi_buf *psb = NULL; | |
13566 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
13567 | struct sgl_page_pairs *sgl_pg_pairs; | |
13568 | void *viraddr; | |
13569 | LPFC_MBOXQ_t *mbox; | |
13570 | uint32_t reqlen, alloclen, pg_pairs; | |
13571 | uint32_t mbox_tmo; | |
13572 | uint16_t xri_start = 0, scsi_xri_start; | |
13573 | uint16_t rsrc_range; | |
13574 | int rc = 0, avail_cnt; | |
13575 | uint32_t shdr_status, shdr_add_status; | |
13576 | dma_addr_t pdma_phys_bpl1; | |
13577 | union lpfc_sli4_cfg_shdr *shdr; | |
13578 | struct lpfc_rsrc_blks *rsrc_blk; | |
13579 | uint32_t xri_cnt = 0; | |
13580 | ||
13581 | /* Calculate the total requested length of the dma memory */ | |
13582 | reqlen = cnt * sizeof(struct sgl_page_pairs) + | |
13583 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); | |
13584 | if (reqlen > SLI4_PAGE_SIZE) { | |
13585 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
13586 | "2932 Block sgl registration required DMA " | |
13587 | "size (%d) great than a page\n", reqlen); | |
13588 | return -ENOMEM; | |
13589 | } | |
13590 | ||
13591 | /* | |
13592 | * The use of extents requires the driver to post the sgl headers | |
13593 | * in multiple postings to meet the contiguous resource assignment. | |
13594 | */ | |
13595 | psb = list_prepare_entry(psb, sblist, list); | |
13596 | scsi_xri_start = phba->sli4_hba.scsi_xri_start; | |
13597 | list_for_each_entry(rsrc_blk, &phba->sli4_hba.lpfc_xri_blk_list, | |
13598 | list) { | |
13599 | rsrc_range = rsrc_blk->rsrc_start + rsrc_blk->rsrc_size; | |
13600 | if (rsrc_range < scsi_xri_start) | |
13601 | continue; | |
13602 | else if (rsrc_blk->rsrc_used >= rsrc_blk->rsrc_size) | |
13603 | continue; | |
13604 | else | |
13605 | avail_cnt = rsrc_blk->rsrc_size - rsrc_blk->rsrc_used; | |
13606 | ||
13607 | reqlen = (avail_cnt * sizeof(struct sgl_page_pairs)) + | |
13608 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); | |
13609 | /* | |
13610 | * Allocate DMA memory and set up the non-embedded mailbox | |
13611 | * command. The mbox is used to post an SGL page per loop | |
13612 | * but the DMA memory has a use-once semantic so the mailbox | |
13613 | * is used and freed per loop pass. | |
13614 | */ | |
13615 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
13616 | if (!mbox) { | |
13617 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13618 | "2933 Failed to allocate mbox cmd " | |
13619 | "memory\n"); | |
13620 | return -ENOMEM; | |
13621 | } | |
13622 | alloclen = lpfc_sli4_config(phba, mbox, | |
13623 | LPFC_MBOX_SUBSYSTEM_FCOE, | |
13624 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
13625 | reqlen, | |
13626 | LPFC_SLI4_MBX_NEMBED); | |
13627 | if (alloclen < reqlen) { | |
13628 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
13629 | "2934 Allocated DMA memory size (%d) " | |
13630 | "is less than the requested DMA memory " | |
13631 | "size (%d)\n", alloclen, reqlen); | |
13632 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13633 | return -ENOMEM; | |
13634 | } | |
13635 | ||
13636 | /* Get the first SGE entry from the non-embedded DMA memory */ | |
13637 | viraddr = mbox->sge_array->addr[0]; | |
13638 | ||
13639 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
13640 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
13641 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
13642 | ||
13643 | /* pg_pairs tracks posted SGEs per loop iteration. */ | |
13644 | pg_pairs = 0; | |
13645 | list_for_each_entry_continue(psb, sblist, list) { | |
13646 | /* Set up the sge entry */ | |
13647 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
13648 | cpu_to_le32(putPaddrLow(psb->dma_phys_bpl)); | |
13649 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
13650 | cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl)); | |
13651 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) | |
13652 | pdma_phys_bpl1 = psb->dma_phys_bpl + | |
13653 | SGL_PAGE_SIZE; | |
13654 | else | |
13655 | pdma_phys_bpl1 = 0; | |
13656 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
13657 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
13658 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
13659 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
13660 | /* Keep the first xri for this extent. */ | |
13661 | if (pg_pairs == 0) | |
13662 | xri_start = psb->cur_iocbq.sli4_xritag; | |
13663 | sgl_pg_pairs++; | |
13664 | pg_pairs++; | |
13665 | xri_cnt++; | |
13666 | ||
13667 | /* | |
13668 | * Track two exit conditions - the loop has constructed | |
13669 | * all of the caller's SGE pairs or all available | |
13670 | * resource IDs in this extent are consumed. | |
13671 | */ | |
13672 | if ((xri_cnt == cnt) || (pg_pairs >= avail_cnt)) | |
13673 | break; | |
13674 | } | |
13675 | rsrc_blk->rsrc_used += pg_pairs; | |
13676 | bf_set(lpfc_post_sgl_pages_xri, sgl, xri_start); | |
13677 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
13678 | ||
13679 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
13680 | "3016 Post SCSI Extent SGL, start %d, cnt %d " | |
13681 | "blk use %d\n", | |
13682 | xri_start, pg_pairs, rsrc_blk->rsrc_used); | |
13683 | /* Perform endian conversion if necessary */ | |
13684 | sgl->word0 = cpu_to_le32(sgl->word0); | |
13685 | if (!phba->sli4_hba.intr_enable) | |
13686 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
13687 | else { | |
a183a15f | 13688 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
13689 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
13690 | } | |
13691 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
13692 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
13693 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
13694 | &shdr->response); | |
13695 | if (rc != MBX_TIMEOUT) | |
13696 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
13697 | if (shdr_status || shdr_add_status || rc) { | |
13698 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13699 | "2935 POST_SGL_BLOCK mailbox command " | |
13700 | "failed status x%x add_status x%x " | |
13701 | "mbx status x%x\n", | |
13702 | shdr_status, shdr_add_status, rc); | |
13703 | return -ENXIO; | |
13704 | } | |
13705 | ||
13706 | /* Post only what is requested. */ | |
13707 | if (xri_cnt >= cnt) | |
13708 | break; | |
13709 | } | |
13710 | return rc; | |
13711 | } | |
13712 | ||
4f774513 JS |
13713 | /** |
13714 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
13715 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
13716 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
13717 | * | |
13718 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
13719 | * valid type of frame that the LPFC driver will handle. This function will | |
13720 | * return a zero if the frame is a valid frame or a non zero value when the | |
13721 | * frame does not pass the check. | |
13722 | **/ | |
13723 | static int | |
13724 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
13725 | { | |
474ffb74 TH |
13726 | /* make rctl_names static to save stack space */ |
13727 | static char *rctl_names[] = FC_RCTL_NAMES_INIT; | |
4f774513 JS |
13728 | char *type_names[] = FC_TYPE_NAMES_INIT; |
13729 | struct fc_vft_header *fc_vft_hdr; | |
546fc854 | 13730 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 JS |
13731 | |
13732 | switch (fc_hdr->fh_r_ctl) { | |
13733 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
13734 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
13735 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
13736 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
13737 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
13738 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
13739 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
13740 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
13741 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
13742 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
13743 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
13744 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
13745 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
13746 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
13747 | case FC_RCTL_BA_RMC: /* remove connection */ | |
13748 | case FC_RCTL_BA_ACC: /* basic accept */ | |
13749 | case FC_RCTL_BA_RJT: /* basic reject */ | |
13750 | case FC_RCTL_BA_PRMT: | |
13751 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
13752 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
13753 | case FC_RCTL_P_RJT: /* port reject */ | |
13754 | case FC_RCTL_F_RJT: /* fabric reject */ | |
13755 | case FC_RCTL_P_BSY: /* port busy */ | |
13756 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
13757 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
13758 | case FC_RCTL_LCR: /* link credit reset */ | |
13759 | case FC_RCTL_END: /* end */ | |
13760 | break; | |
13761 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
13762 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
13763 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
13764 | return lpfc_fc_frame_check(phba, fc_hdr); | |
13765 | default: | |
13766 | goto drop; | |
13767 | } | |
13768 | switch (fc_hdr->fh_type) { | |
13769 | case FC_TYPE_BLS: | |
13770 | case FC_TYPE_ELS: | |
13771 | case FC_TYPE_FCP: | |
13772 | case FC_TYPE_CT: | |
13773 | break; | |
13774 | case FC_TYPE_IP: | |
13775 | case FC_TYPE_ILS: | |
13776 | default: | |
13777 | goto drop; | |
13778 | } | |
546fc854 | 13779 | |
4f774513 | 13780 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
546fc854 JS |
13781 | "2538 Received frame rctl:%s type:%s " |
13782 | "Frame Data:%08x %08x %08x %08x %08x %08x\n", | |
4f774513 | 13783 | rctl_names[fc_hdr->fh_r_ctl], |
546fc854 JS |
13784 | type_names[fc_hdr->fh_type], |
13785 | be32_to_cpu(header[0]), be32_to_cpu(header[1]), | |
13786 | be32_to_cpu(header[2]), be32_to_cpu(header[3]), | |
13787 | be32_to_cpu(header[4]), be32_to_cpu(header[5])); | |
4f774513 JS |
13788 | return 0; |
13789 | drop: | |
13790 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
13791 | "2539 Dropped frame rctl:%s type:%s\n", | |
13792 | rctl_names[fc_hdr->fh_r_ctl], | |
13793 | type_names[fc_hdr->fh_type]); | |
13794 | return 1; | |
13795 | } | |
13796 | ||
13797 | /** | |
13798 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
13799 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
13800 | * | |
13801 | * This function processes the FC header to retrieve the VFI from the VF | |
13802 | * header, if one exists. This function will return the VFI if one exists | |
13803 | * or 0 if no VSAN Header exists. | |
13804 | **/ | |
13805 | static uint32_t | |
13806 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
13807 | { | |
13808 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
13809 | ||
13810 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
13811 | return 0; | |
13812 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
13813 | } | |
13814 | ||
13815 | /** | |
13816 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
13817 | * @phba: Pointer to the HBA structure to search for the vport on | |
13818 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
13819 | * @fcfi: The FC Fabric ID that the frame came from | |
13820 | * | |
13821 | * This function searches the @phba for a vport that matches the content of the | |
13822 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
13823 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
13824 | * returns the matching vport pointer or NULL if unable to match frame to a | |
13825 | * vport. | |
13826 | **/ | |
13827 | static struct lpfc_vport * | |
13828 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
13829 | uint16_t fcfi) | |
13830 | { | |
13831 | struct lpfc_vport **vports; | |
13832 | struct lpfc_vport *vport = NULL; | |
13833 | int i; | |
13834 | uint32_t did = (fc_hdr->fh_d_id[0] << 16 | | |
13835 | fc_hdr->fh_d_id[1] << 8 | | |
13836 | fc_hdr->fh_d_id[2]); | |
bf08611b JS |
13837 | if (did == Fabric_DID) |
13838 | return phba->pport; | |
4f774513 JS |
13839 | vports = lpfc_create_vport_work_array(phba); |
13840 | if (vports != NULL) | |
13841 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
13842 | if (phba->fcf.fcfi == fcfi && | |
13843 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
13844 | vports[i]->fc_myDID == did) { | |
13845 | vport = vports[i]; | |
13846 | break; | |
13847 | } | |
13848 | } | |
13849 | lpfc_destroy_vport_work_array(phba, vports); | |
13850 | return vport; | |
13851 | } | |
13852 | ||
45ed1190 JS |
13853 | /** |
13854 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
13855 | * @vport: The vport to work on. | |
13856 | * | |
13857 | * This function updates the receive sequence time stamp for this vport. The | |
13858 | * receive sequence time stamp indicates the time that the last frame of the | |
13859 | * the sequence that has been idle for the longest amount of time was received. | |
13860 | * the driver uses this time stamp to indicate if any received sequences have | |
13861 | * timed out. | |
13862 | **/ | |
13863 | void | |
13864 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) | |
13865 | { | |
13866 | struct lpfc_dmabuf *h_buf; | |
13867 | struct hbq_dmabuf *dmabuf = NULL; | |
13868 | ||
13869 | /* get the oldest sequence on the rcv list */ | |
13870 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
13871 | struct lpfc_dmabuf, list); | |
13872 | if (!h_buf) | |
13873 | return; | |
13874 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
13875 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
13876 | } | |
13877 | ||
13878 | /** | |
13879 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
13880 | * @vport: The vport that the received sequences were sent to. | |
13881 | * | |
13882 | * This function cleans up all outstanding received sequences. This is called | |
13883 | * by the driver when a link event or user action invalidates all the received | |
13884 | * sequences. | |
13885 | **/ | |
13886 | void | |
13887 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
13888 | { | |
13889 | struct lpfc_dmabuf *h_buf, *hnext; | |
13890 | struct lpfc_dmabuf *d_buf, *dnext; | |
13891 | struct hbq_dmabuf *dmabuf = NULL; | |
13892 | ||
13893 | /* start with the oldest sequence on the rcv list */ | |
13894 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
13895 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
13896 | list_del_init(&dmabuf->hbuf.list); | |
13897 | list_for_each_entry_safe(d_buf, dnext, | |
13898 | &dmabuf->dbuf.list, list) { | |
13899 | list_del_init(&d_buf->list); | |
13900 | lpfc_in_buf_free(vport->phba, d_buf); | |
13901 | } | |
13902 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
13903 | } | |
13904 | } | |
13905 | ||
13906 | /** | |
13907 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
13908 | * @vport: The vport that the received sequences were sent to. | |
13909 | * | |
13910 | * This function determines whether any received sequences have timed out by | |
13911 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
13912 | * indicates that there is at least one timed out sequence this routine will | |
13913 | * go through the received sequences one at a time from most inactive to most | |
13914 | * active to determine which ones need to be cleaned up. Once it has determined | |
13915 | * that a sequence needs to be cleaned up it will simply free up the resources | |
13916 | * without sending an abort. | |
13917 | **/ | |
13918 | void | |
13919 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
13920 | { | |
13921 | struct lpfc_dmabuf *h_buf, *hnext; | |
13922 | struct lpfc_dmabuf *d_buf, *dnext; | |
13923 | struct hbq_dmabuf *dmabuf = NULL; | |
13924 | unsigned long timeout; | |
13925 | int abort_count = 0; | |
13926 | ||
13927 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
13928 | vport->rcv_buffer_time_stamp); | |
13929 | if (list_empty(&vport->rcv_buffer_list) || | |
13930 | time_before(jiffies, timeout)) | |
13931 | return; | |
13932 | /* start with the oldest sequence on the rcv list */ | |
13933 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
13934 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
13935 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
13936 | dmabuf->time_stamp); | |
13937 | if (time_before(jiffies, timeout)) | |
13938 | break; | |
13939 | abort_count++; | |
13940 | list_del_init(&dmabuf->hbuf.list); | |
13941 | list_for_each_entry_safe(d_buf, dnext, | |
13942 | &dmabuf->dbuf.list, list) { | |
13943 | list_del_init(&d_buf->list); | |
13944 | lpfc_in_buf_free(vport->phba, d_buf); | |
13945 | } | |
13946 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
13947 | } | |
13948 | if (abort_count) | |
13949 | lpfc_update_rcv_time_stamp(vport); | |
13950 | } | |
13951 | ||
4f774513 JS |
13952 | /** |
13953 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
13954 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame | |
13955 | * | |
13956 | * This function searches through the existing incomplete sequences that have | |
13957 | * been sent to this @vport. If the frame matches one of the incomplete | |
13958 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
13959 | * make up that sequence. If no sequence is found that matches this frame then | |
13960 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
13961 | * This function returns a pointer to the first dmabuf in the sequence list that | |
13962 | * the frame was linked to. | |
13963 | **/ | |
13964 | static struct hbq_dmabuf * | |
13965 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
13966 | { | |
13967 | struct fc_frame_header *new_hdr; | |
13968 | struct fc_frame_header *temp_hdr; | |
13969 | struct lpfc_dmabuf *d_buf; | |
13970 | struct lpfc_dmabuf *h_buf; | |
13971 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
13972 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
13973 | ||
4d9ab994 | 13974 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 13975 | dmabuf->time_stamp = jiffies; |
4f774513 JS |
13976 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
13977 | /* Use the hdr_buf to find the sequence that this frame belongs to */ | |
13978 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
13979 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
13980 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
13981 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
13982 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
13983 | continue; | |
13984 | /* found a pending sequence that matches this frame */ | |
13985 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
13986 | break; | |
13987 | } | |
13988 | if (!seq_dmabuf) { | |
13989 | /* | |
13990 | * This indicates first frame received for this sequence. | |
13991 | * Queue the buffer on the vport's rcv_buffer_list. | |
13992 | */ | |
13993 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 13994 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
13995 | return dmabuf; |
13996 | } | |
13997 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
13998 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
13999 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
14000 | list_del_init(&seq_dmabuf->hbuf.list); |
14001 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
14002 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 14003 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
14004 | return dmabuf; |
14005 | } | |
45ed1190 JS |
14006 | /* move this sequence to the tail to indicate a young sequence */ |
14007 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
14008 | seq_dmabuf->time_stamp = jiffies; | |
14009 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
14010 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
14011 | temp_hdr = dmabuf->hbuf.virt; | |
14012 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
14013 | return seq_dmabuf; | |
14014 | } | |
4f774513 JS |
14015 | /* find the correct place in the sequence to insert this frame */ |
14016 | list_for_each_entry_reverse(d_buf, &seq_dmabuf->dbuf.list, list) { | |
14017 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
14018 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
14019 | /* | |
14020 | * If the frame's sequence count is greater than the frame on | |
14021 | * the list then insert the frame right after this frame | |
14022 | */ | |
eeead811 JS |
14023 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
14024 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 JS |
14025 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
14026 | return seq_dmabuf; | |
14027 | } | |
14028 | } | |
14029 | return NULL; | |
14030 | } | |
14031 | ||
6669f9bb JS |
14032 | /** |
14033 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
14034 | * @vport: pointer to a vitural port | |
14035 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
14036 | * | |
14037 | * This function tries to abort from the partially assembed sequence, described | |
14038 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
14039 | * partially assembled sequence held by the driver. If so, it shall free up all | |
14040 | * the frames from the partially assembled sequence. | |
14041 | * | |
14042 | * Return | |
14043 | * true -- if there is matching partially assembled sequence present and all | |
14044 | * the frames freed with the sequence; | |
14045 | * false -- if there is no matching partially assembled sequence present so | |
14046 | * nothing got aborted in the lower layer driver | |
14047 | **/ | |
14048 | static bool | |
14049 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
14050 | struct hbq_dmabuf *dmabuf) | |
14051 | { | |
14052 | struct fc_frame_header *new_hdr; | |
14053 | struct fc_frame_header *temp_hdr; | |
14054 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
14055 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
14056 | ||
14057 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
14058 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
14059 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
14060 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
14061 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
14062 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
14063 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
14064 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
14065 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
14066 | continue; | |
14067 | /* found a pending sequence that matches this frame */ | |
14068 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
14069 | break; | |
14070 | } | |
14071 | ||
14072 | /* Free up all the frames from the partially assembled sequence */ | |
14073 | if (seq_dmabuf) { | |
14074 | list_for_each_entry_safe(d_buf, n_buf, | |
14075 | &seq_dmabuf->dbuf.list, list) { | |
14076 | list_del_init(&d_buf->list); | |
14077 | lpfc_in_buf_free(vport->phba, d_buf); | |
14078 | } | |
14079 | return true; | |
14080 | } | |
14081 | return false; | |
14082 | } | |
14083 | ||
14084 | /** | |
546fc854 | 14085 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
14086 | * @phba: Pointer to HBA context object. |
14087 | * @cmd_iocbq: pointer to the command iocbq structure. | |
14088 | * @rsp_iocbq: pointer to the response iocbq structure. | |
14089 | * | |
546fc854 | 14090 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
14091 | * event. It properly releases the memory allocated to the sequence abort |
14092 | * accept iocb. | |
14093 | **/ | |
14094 | static void | |
546fc854 | 14095 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
14096 | struct lpfc_iocbq *cmd_iocbq, |
14097 | struct lpfc_iocbq *rsp_iocbq) | |
14098 | { | |
14099 | if (cmd_iocbq) | |
14100 | lpfc_sli_release_iocbq(phba, cmd_iocbq); | |
6b5151fd JS |
14101 | |
14102 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
14103 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
14104 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14105 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", | |
14106 | rsp_iocbq->iocb.ulpStatus, | |
14107 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
14108 | } |
14109 | ||
6d368e53 JS |
14110 | /** |
14111 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
14112 | * @phba: Pointer to HBA context object. | |
14113 | * @xri: xri id in transaction. | |
14114 | * | |
14115 | * This function validates the xri maps to the known range of XRIs allocated an | |
14116 | * used by the driver. | |
14117 | **/ | |
7851fe2c | 14118 | uint16_t |
6d368e53 JS |
14119 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
14120 | uint16_t xri) | |
14121 | { | |
14122 | int i; | |
14123 | ||
14124 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
14125 | if (xri == phba->sli4_hba.xri_ids[i]) | |
14126 | return i; | |
14127 | } | |
14128 | return NO_XRI; | |
14129 | } | |
14130 | ||
14131 | ||
6669f9bb | 14132 | /** |
546fc854 | 14133 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
6669f9bb JS |
14134 | * @phba: Pointer to HBA context object. |
14135 | * @fc_hdr: pointer to a FC frame header. | |
14136 | * | |
546fc854 | 14137 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
14138 | * event after aborting the sequence handling. |
14139 | **/ | |
14140 | static void | |
546fc854 | 14141 | lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba, |
6669f9bb JS |
14142 | struct fc_frame_header *fc_hdr) |
14143 | { | |
14144 | struct lpfc_iocbq *ctiocb = NULL; | |
14145 | struct lpfc_nodelist *ndlp; | |
5ffc266e JS |
14146 | uint16_t oxid, rxid; |
14147 | uint32_t sid, fctl; | |
6669f9bb | 14148 | IOCB_t *icmd; |
546fc854 | 14149 | int rc; |
6669f9bb JS |
14150 | |
14151 | if (!lpfc_is_link_up(phba)) | |
14152 | return; | |
14153 | ||
14154 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
14155 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 14156 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb JS |
14157 | |
14158 | ndlp = lpfc_findnode_did(phba->pport, sid); | |
14159 | if (!ndlp) { | |
14160 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
14161 | "1268 Find ndlp returned NULL for oxid:x%x " | |
14162 | "SID:x%x\n", oxid, sid); | |
14163 | return; | |
14164 | } | |
6d368e53 | 14165 | if (lpfc_sli4_xri_inrange(phba, rxid)) |
19ca7609 | 14166 | lpfc_set_rrq_active(phba, ndlp, rxid, oxid, 0); |
6669f9bb | 14167 | |
546fc854 | 14168 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
14169 | ctiocb = lpfc_sli_get_iocbq(phba); |
14170 | if (!ctiocb) | |
14171 | return; | |
14172 | ||
5ffc266e JS |
14173 | /* Extract the F_CTL field from FC_HDR */ |
14174 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
14175 | ||
6669f9bb | 14176 | icmd = &ctiocb->iocb; |
6669f9bb | 14177 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 14178 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
14179 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
14180 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
14181 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
14182 | ||
14183 | /* Fill in the rest of iocb fields */ | |
14184 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
14185 | icmd->ulpBdeCount = 0; | |
14186 | icmd->ulpLe = 1; | |
14187 | icmd->ulpClass = CLASS3; | |
6d368e53 | 14188 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
be858b65 | 14189 | ctiocb->context1 = ndlp; |
6669f9bb | 14190 | |
6669f9bb JS |
14191 | ctiocb->iocb_cmpl = NULL; |
14192 | ctiocb->vport = phba->pport; | |
546fc854 | 14193 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 14194 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
14195 | ctiocb->sli4_xritag = NO_XRI; |
14196 | ||
14197 | /* If the oxid maps to the FCP XRI range or if it is out of range, | |
14198 | * send a BLS_RJT. The driver no longer has that exchange. | |
14199 | * Override the IOCB for a BA_RJT. | |
14200 | */ | |
14201 | if (oxid > (phba->sli4_hba.max_cfg_param.max_xri + | |
14202 | phba->sli4_hba.max_cfg_param.xri_base) || | |
14203 | oxid > (lpfc_sli4_get_els_iocb_cnt(phba) + | |
14204 | phba->sli4_hba.max_cfg_param.xri_base)) { | |
14205 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; | |
14206 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
14207 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
14208 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
14209 | } | |
6669f9bb | 14210 | |
5ffc266e JS |
14211 | if (fctl & FC_FC_EX_CTX) { |
14212 | /* ABTS sent by responder to CT exchange, construction | |
14213 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
14214 | * field and RX_ID from ABTS for RX_ID field. | |
14215 | */ | |
546fc854 | 14216 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
14217 | } else { |
14218 | /* ABTS sent by initiator to CT exchange, construction | |
14219 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 14220 | * XRI_TAG field. |
5ffc266e | 14221 | */ |
546fc854 | 14222 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 14223 | } |
f09c3acc | 14224 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 14225 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 14226 | |
546fc854 | 14227 | /* Xmit CT abts response on exchange <xid> */ |
6669f9bb | 14228 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
546fc854 JS |
14229 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", |
14230 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
14231 | ||
14232 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
14233 | if (rc == IOCB_ERROR) { | |
14234 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
14235 | "2925 Failed to issue CT ABTS RSP x%x on " | |
14236 | "xri x%x, Data x%x\n", | |
14237 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
14238 | phba->link_state); | |
14239 | lpfc_sli_release_iocbq(phba, ctiocb); | |
14240 | } | |
6669f9bb JS |
14241 | } |
14242 | ||
14243 | /** | |
14244 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
14245 | * @vport: Pointer to the vport on which this sequence was received | |
14246 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
14247 | * | |
14248 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
14249 | * receive sequence is only partially assembed by the driver, it shall abort | |
14250 | * the partially assembled frames for the sequence. Otherwise, if the | |
14251 | * unsolicited receive sequence has been completely assembled and passed to | |
14252 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
14253 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
14254 | * accept to accept the abort. | |
14255 | **/ | |
14256 | void | |
14257 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, | |
14258 | struct hbq_dmabuf *dmabuf) | |
14259 | { | |
14260 | struct lpfc_hba *phba = vport->phba; | |
14261 | struct fc_frame_header fc_hdr; | |
5ffc266e | 14262 | uint32_t fctl; |
6669f9bb JS |
14263 | bool abts_par; |
14264 | ||
6669f9bb JS |
14265 | /* Make a copy of fc_hdr before the dmabuf being released */ |
14266 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 14267 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 14268 | |
5ffc266e JS |
14269 | if (fctl & FC_FC_EX_CTX) { |
14270 | /* | |
14271 | * ABTS sent by responder to exchange, just free the buffer | |
14272 | */ | |
6669f9bb | 14273 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
5ffc266e JS |
14274 | } else { |
14275 | /* | |
14276 | * ABTS sent by initiator to exchange, need to do cleanup | |
14277 | */ | |
14278 | /* Try to abort partially assembled seq */ | |
14279 | abts_par = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
14280 | ||
14281 | /* Send abort to ULP if partially seq abort failed */ | |
14282 | if (abts_par == false) | |
14283 | lpfc_sli4_send_seq_to_ulp(vport, dmabuf); | |
14284 | else | |
14285 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
14286 | } | |
6669f9bb | 14287 | /* Send basic accept (BA_ACC) to the abort requester */ |
546fc854 | 14288 | lpfc_sli4_seq_abort_rsp(phba, &fc_hdr); |
6669f9bb JS |
14289 | } |
14290 | ||
4f774513 JS |
14291 | /** |
14292 | * lpfc_seq_complete - Indicates if a sequence is complete | |
14293 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
14294 | * | |
14295 | * This function checks the sequence, starting with the frame described by | |
14296 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
14297 | * the frames associated with this sequence are linked to the @dmabuf using the | |
14298 | * dbuf list. This function looks for two major things. 1) That the first frame | |
14299 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
14300 | * set. 3) That there are no holes in the sequence count. The function will | |
14301 | * return 1 when the sequence is complete, otherwise it will return 0. | |
14302 | **/ | |
14303 | static int | |
14304 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
14305 | { | |
14306 | struct fc_frame_header *hdr; | |
14307 | struct lpfc_dmabuf *d_buf; | |
14308 | struct hbq_dmabuf *seq_dmabuf; | |
14309 | uint32_t fctl; | |
14310 | int seq_count = 0; | |
14311 | ||
14312 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
14313 | /* make sure first fame of sequence has a sequence count of zero */ | |
14314 | if (hdr->fh_seq_cnt != seq_count) | |
14315 | return 0; | |
14316 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
14317 | hdr->fh_f_ctl[1] << 8 | | |
14318 | hdr->fh_f_ctl[2]); | |
14319 | /* If last frame of sequence we can return success. */ | |
14320 | if (fctl & FC_FC_END_SEQ) | |
14321 | return 1; | |
14322 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
14323 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
14324 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
14325 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 14326 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
14327 | return 0; |
14328 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
14329 | hdr->fh_f_ctl[1] << 8 | | |
14330 | hdr->fh_f_ctl[2]); | |
14331 | /* If last frame of sequence we can return success. */ | |
14332 | if (fctl & FC_FC_END_SEQ) | |
14333 | return 1; | |
14334 | } | |
14335 | return 0; | |
14336 | } | |
14337 | ||
14338 | /** | |
14339 | * lpfc_prep_seq - Prep sequence for ULP processing | |
14340 | * @vport: Pointer to the vport on which this sequence was received | |
14341 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
14342 | * | |
14343 | * This function takes a sequence, described by a list of frames, and creates | |
14344 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
14345 | * used to issue to the generic unsolicited sequence handler. This routine | |
14346 | * returns a pointer to the first iocbq in the list. If the function is unable | |
14347 | * to allocate an iocbq then it throw out the received frames that were not | |
14348 | * able to be described and return a pointer to the first iocbq. If unable to | |
14349 | * allocate any iocbqs (including the first) this function will return NULL. | |
14350 | **/ | |
14351 | static struct lpfc_iocbq * | |
14352 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
14353 | { | |
7851fe2c | 14354 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
14355 | struct lpfc_dmabuf *d_buf, *n_buf; |
14356 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
14357 | struct fc_frame_header *fc_hdr; | |
14358 | uint32_t sid; | |
7851fe2c | 14359 | uint32_t len, tot_len; |
eeead811 | 14360 | struct ulp_bde64 *pbde; |
4f774513 JS |
14361 | |
14362 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
14363 | /* remove from receive buffer list */ | |
14364 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 14365 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 14366 | /* get the Remote Port's SID */ |
6669f9bb | 14367 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 14368 | tot_len = 0; |
4f774513 JS |
14369 | /* Get an iocbq struct to fill in. */ |
14370 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
14371 | if (first_iocbq) { | |
14372 | /* Initialize the first IOCB. */ | |
8fa38513 | 14373 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 JS |
14374 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
14375 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
14376 | first_iocbq->iocb.ulpContext = NO_XRI; |
14377 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
14378 | be16_to_cpu(fc_hdr->fh_ox_id); | |
14379 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
14380 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
14381 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 JS |
14382 | /* put the first buffer into the first IOCBq */ |
14383 | first_iocbq->context2 = &seq_dmabuf->dbuf; | |
14384 | first_iocbq->context3 = NULL; | |
14385 | first_iocbq->iocb.ulpBdeCount = 1; | |
14386 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
14387 | LPFC_DATA_BUF_SIZE; | |
14388 | first_iocbq->iocb.un.rcvels.remoteID = sid; | |
7851fe2c | 14389 | tot_len = bf_get(lpfc_rcqe_length, |
4d9ab994 | 14390 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); |
7851fe2c | 14391 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
14392 | } |
14393 | iocbq = first_iocbq; | |
14394 | /* | |
14395 | * Each IOCBq can have two Buffers assigned, so go through the list | |
14396 | * of buffers for this sequence and save two buffers in each IOCBq | |
14397 | */ | |
14398 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
14399 | if (!iocbq) { | |
14400 | lpfc_in_buf_free(vport->phba, d_buf); | |
14401 | continue; | |
14402 | } | |
14403 | if (!iocbq->context3) { | |
14404 | iocbq->context3 = d_buf; | |
14405 | iocbq->iocb.ulpBdeCount++; | |
eeead811 JS |
14406 | pbde = (struct ulp_bde64 *) |
14407 | &iocbq->iocb.unsli3.sli3Words[4]; | |
14408 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
7851fe2c JS |
14409 | |
14410 | /* We need to get the size out of the right CQE */ | |
14411 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
14412 | len = bf_get(lpfc_rcqe_length, | |
14413 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
14414 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; | |
14415 | tot_len += len; | |
4f774513 JS |
14416 | } else { |
14417 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
14418 | if (!iocbq) { | |
14419 | if (first_iocbq) { | |
14420 | first_iocbq->iocb.ulpStatus = | |
14421 | IOSTAT_FCP_RSP_ERROR; | |
14422 | first_iocbq->iocb.un.ulpWord[4] = | |
14423 | IOERR_NO_RESOURCES; | |
14424 | } | |
14425 | lpfc_in_buf_free(vport->phba, d_buf); | |
14426 | continue; | |
14427 | } | |
14428 | iocbq->context2 = d_buf; | |
14429 | iocbq->context3 = NULL; | |
14430 | iocbq->iocb.ulpBdeCount = 1; | |
14431 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
14432 | LPFC_DATA_BUF_SIZE; | |
7851fe2c JS |
14433 | |
14434 | /* We need to get the size out of the right CQE */ | |
14435 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
14436 | len = bf_get(lpfc_rcqe_length, | |
14437 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
14438 | tot_len += len; | |
14439 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
14440 | ||
4f774513 JS |
14441 | iocbq->iocb.un.rcvels.remoteID = sid; |
14442 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
14443 | } | |
14444 | } | |
14445 | return first_iocbq; | |
14446 | } | |
14447 | ||
6669f9bb JS |
14448 | static void |
14449 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
14450 | struct hbq_dmabuf *seq_dmabuf) | |
14451 | { | |
14452 | struct fc_frame_header *fc_hdr; | |
14453 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
14454 | struct lpfc_hba *phba = vport->phba; | |
14455 | ||
14456 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
14457 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
14458 | if (!iocbq) { | |
14459 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14460 | "2707 Ring %d handler: Failed to allocate " | |
14461 | "iocb Rctl x%x Type x%x received\n", | |
14462 | LPFC_ELS_RING, | |
14463 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
14464 | return; | |
14465 | } | |
14466 | if (!lpfc_complete_unsol_iocb(phba, | |
14467 | &phba->sli.ring[LPFC_ELS_RING], | |
14468 | iocbq, fc_hdr->fh_r_ctl, | |
14469 | fc_hdr->fh_type)) | |
6d368e53 | 14470 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6669f9bb JS |
14471 | "2540 Ring %d handler: unexpected Rctl " |
14472 | "x%x Type x%x received\n", | |
14473 | LPFC_ELS_RING, | |
14474 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
14475 | ||
14476 | /* Free iocb created in lpfc_prep_seq */ | |
14477 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
14478 | &iocbq->list, list) { | |
14479 | list_del_init(&curr_iocb->list); | |
14480 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
14481 | } | |
14482 | lpfc_sli_release_iocbq(phba, iocbq); | |
14483 | } | |
14484 | ||
4f774513 JS |
14485 | /** |
14486 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
14487 | * @phba: Pointer to HBA context object. | |
14488 | * | |
14489 | * This function is called with no lock held. This function processes all | |
14490 | * the received buffers and gives it to upper layers when a received buffer | |
14491 | * indicates that it is the final frame in the sequence. The interrupt | |
14492 | * service routine processes received buffers at interrupt contexts and adds | |
14493 | * received dma buffers to the rb_pend_list queue and signals the worker thread. | |
14494 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the | |
14495 | * appropriate receive function when the final frame in a sequence is received. | |
14496 | **/ | |
4d9ab994 JS |
14497 | void |
14498 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
14499 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 14500 | { |
4d9ab994 | 14501 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
14502 | struct fc_frame_header *fc_hdr; |
14503 | struct lpfc_vport *vport; | |
14504 | uint32_t fcfi; | |
4f774513 | 14505 | |
4f774513 | 14506 | /* Process each received buffer */ |
4d9ab994 JS |
14507 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
14508 | /* check to see if this a valid type of frame */ | |
14509 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
14510 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
14511 | return; | |
14512 | } | |
7851fe2c JS |
14513 | if ((bf_get(lpfc_cqe_code, |
14514 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
14515 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
14516 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
14517 | else | |
14518 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
14519 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
4d9ab994 | 14520 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi); |
c868595d | 14521 | if (!vport || !(vport->vpi_state & LPFC_VPI_REGISTERED)) { |
4d9ab994 JS |
14522 | /* throw out the frame */ |
14523 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
14524 | return; | |
14525 | } | |
6669f9bb JS |
14526 | /* Handle the basic abort sequence (BA_ABTS) event */ |
14527 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
14528 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
14529 | return; | |
14530 | } | |
14531 | ||
4d9ab994 JS |
14532 | /* Link this frame */ |
14533 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
14534 | if (!seq_dmabuf) { | |
14535 | /* unable to add frame to vport - throw it out */ | |
14536 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
14537 | return; | |
14538 | } | |
14539 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 14540 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 14541 | return; |
def9c7a9 | 14542 | |
6669f9bb JS |
14543 | /* Send the complete sequence to the upper layer protocol */ |
14544 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 14545 | } |
6fb120a7 JS |
14546 | |
14547 | /** | |
14548 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
14549 | * @phba: pointer to lpfc hba data structure. | |
14550 | * | |
14551 | * This routine is invoked to post rpi header templates to the | |
14552 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
14553 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
14554 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
14555 | * |
14556 | * This routine does not require any locks. It's usage is expected | |
14557 | * to be driver load or reset recovery when the driver is | |
14558 | * sequential. | |
14559 | * | |
14560 | * Return codes | |
af901ca1 | 14561 | * 0 - successful |
d439d286 | 14562 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
14563 | * When this error occurs, the driver is not guaranteed |
14564 | * to have any rpi regions posted to the device and | |
14565 | * must either attempt to repost the regions or take a | |
14566 | * fatal error. | |
14567 | **/ | |
14568 | int | |
14569 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
14570 | { | |
14571 | struct lpfc_rpi_hdr *rpi_page; | |
14572 | uint32_t rc = 0; | |
6d368e53 JS |
14573 | uint16_t lrpi = 0; |
14574 | ||
14575 | /* SLI4 ports that support extents do not require RPI headers. */ | |
14576 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
14577 | goto exit; | |
14578 | if (phba->sli4_hba.extents_in_use) | |
14579 | return -EIO; | |
6fb120a7 | 14580 | |
6fb120a7 | 14581 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
14582 | /* |
14583 | * Assign the rpi headers a physical rpi only if the driver | |
14584 | * has not initialized those resources. A port reset only | |
14585 | * needs the headers posted. | |
14586 | */ | |
14587 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
14588 | LPFC_RPI_RSRC_RDY) | |
14589 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
14590 | ||
6fb120a7 JS |
14591 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
14592 | if (rc != MBX_SUCCESS) { | |
14593 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14594 | "2008 Error %d posting all rpi " | |
14595 | "headers\n", rc); | |
14596 | rc = -EIO; | |
14597 | break; | |
14598 | } | |
14599 | } | |
14600 | ||
6d368e53 JS |
14601 | exit: |
14602 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
14603 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
14604 | return rc; |
14605 | } | |
14606 | ||
14607 | /** | |
14608 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
14609 | * @phba: pointer to lpfc hba data structure. | |
14610 | * @rpi_page: pointer to the rpi memory region. | |
14611 | * | |
14612 | * This routine is invoked to post a single rpi header to the | |
14613 | * HBA consistent with the SLI-4 interface spec. This memory region | |
14614 | * maps up to 64 rpi context regions. | |
14615 | * | |
14616 | * Return codes | |
af901ca1 | 14617 | * 0 - successful |
d439d286 JS |
14618 | * -ENOMEM - No available memory |
14619 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
14620 | **/ |
14621 | int | |
14622 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
14623 | { | |
14624 | LPFC_MBOXQ_t *mboxq; | |
14625 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
14626 | uint32_t rc = 0; | |
6fb120a7 JS |
14627 | uint32_t shdr_status, shdr_add_status; |
14628 | union lpfc_sli4_cfg_shdr *shdr; | |
14629 | ||
6d368e53 JS |
14630 | /* SLI4 ports that support extents do not require RPI headers. */ |
14631 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
14632 | return rc; | |
14633 | if (phba->sli4_hba.extents_in_use) | |
14634 | return -EIO; | |
14635 | ||
6fb120a7 JS |
14636 | /* The port is notified of the header region via a mailbox command. */ |
14637 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14638 | if (!mboxq) { | |
14639 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14640 | "2001 Unable to allocate memory for issuing " | |
14641 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
14642 | return -ENOMEM; | |
14643 | } | |
14644 | ||
14645 | /* Post all rpi memory regions to the port. */ | |
14646 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
14647 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
14648 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
14649 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
14650 | sizeof(struct lpfc_sli4_cfg_mhdr), |
14651 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
14652 | |
14653 | ||
14654 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
14655 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
14656 | rpi_page->start_rpi); | |
6d368e53 JS |
14657 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
14658 | hdr_tmpl, rpi_page->page_count); | |
14659 | ||
6fb120a7 JS |
14660 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
14661 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 14662 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
14663 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
14664 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14665 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14666 | if (rc != MBX_TIMEOUT) | |
14667 | mempool_free(mboxq, phba->mbox_mem_pool); | |
14668 | if (shdr_status || shdr_add_status || rc) { | |
14669 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14670 | "2514 POST_RPI_HDR mailbox failed with " | |
14671 | "status x%x add_status x%x, mbx status x%x\n", | |
14672 | shdr_status, shdr_add_status, rc); | |
14673 | rc = -ENXIO; | |
14674 | } | |
14675 | return rc; | |
14676 | } | |
14677 | ||
14678 | /** | |
14679 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
14680 | * @phba: pointer to lpfc hba data structure. | |
14681 | * | |
14682 | * This routine is invoked to post rpi header templates to the | |
14683 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
14684 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
14685 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
14686 | * |
14687 | * Returns | |
af901ca1 | 14688 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
14689 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
14690 | **/ | |
14691 | int | |
14692 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
14693 | { | |
6d368e53 JS |
14694 | unsigned long rpi; |
14695 | uint16_t max_rpi, rpi_limit; | |
14696 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 JS |
14697 | struct lpfc_rpi_hdr *rpi_hdr; |
14698 | ||
14699 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6fb120a7 JS |
14700 | rpi_limit = phba->sli4_hba.next_rpi; |
14701 | ||
14702 | /* | |
6d368e53 JS |
14703 | * Fetch the next logical rpi. Because this index is logical, |
14704 | * the driver starts at 0 each time. | |
6fb120a7 JS |
14705 | */ |
14706 | spin_lock_irq(&phba->hbalock); | |
6d368e53 JS |
14707 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
14708 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
14709 | rpi = LPFC_RPI_ALLOC_ERROR; |
14710 | else { | |
14711 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
14712 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
14713 | phba->sli4_hba.rpi_count++; | |
14714 | } | |
14715 | ||
14716 | /* | |
14717 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 14718 | * has been exhausted. |
6fb120a7 JS |
14719 | */ |
14720 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
14721 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
14722 | spin_unlock_irq(&phba->hbalock); | |
14723 | return rpi; | |
14724 | } | |
14725 | ||
6d368e53 JS |
14726 | /* |
14727 | * RPI header postings are not required for SLI4 ports capable of | |
14728 | * extents. | |
14729 | */ | |
14730 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
14731 | spin_unlock_irq(&phba->hbalock); | |
14732 | return rpi; | |
14733 | } | |
14734 | ||
6fb120a7 JS |
14735 | /* |
14736 | * If the driver is running low on rpi resources, allocate another | |
14737 | * page now. Note that the next_rpi value is used because | |
14738 | * it represents how many are actually in use whereas max_rpi notes | |
14739 | * how many are supported max by the device. | |
14740 | */ | |
6d368e53 | 14741 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
6fb120a7 JS |
14742 | spin_unlock_irq(&phba->hbalock); |
14743 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { | |
14744 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
14745 | if (!rpi_hdr) { | |
14746 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14747 | "2002 Error Could not grow rpi " | |
14748 | "count\n"); | |
14749 | } else { | |
6d368e53 JS |
14750 | lrpi = rpi_hdr->start_rpi; |
14751 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
14752 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
14753 | } | |
14754 | } | |
14755 | ||
14756 | return rpi; | |
14757 | } | |
14758 | ||
d7c47992 JS |
14759 | /** |
14760 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
14761 | * @phba: pointer to lpfc hba data structure. | |
14762 | * | |
14763 | * This routine is invoked to release an rpi to the pool of | |
14764 | * available rpis maintained by the driver. | |
14765 | **/ | |
14766 | void | |
14767 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
14768 | { | |
14769 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { | |
14770 | phba->sli4_hba.rpi_count--; | |
14771 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
14772 | } | |
14773 | } | |
14774 | ||
6fb120a7 JS |
14775 | /** |
14776 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
14777 | * @phba: pointer to lpfc hba data structure. | |
14778 | * | |
14779 | * This routine is invoked to release an rpi to the pool of | |
14780 | * available rpis maintained by the driver. | |
14781 | **/ | |
14782 | void | |
14783 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
14784 | { | |
14785 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 14786 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
14787 | spin_unlock_irq(&phba->hbalock); |
14788 | } | |
14789 | ||
14790 | /** | |
14791 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
14792 | * @phba: pointer to lpfc hba data structure. | |
14793 | * | |
14794 | * This routine is invoked to remove the memory region that | |
14795 | * provided rpi via a bitmask. | |
14796 | **/ | |
14797 | void | |
14798 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
14799 | { | |
14800 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
14801 | kfree(phba->sli4_hba.rpi_ids); |
14802 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
14803 | } |
14804 | ||
14805 | /** | |
14806 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
14807 | * @phba: pointer to lpfc hba data structure. | |
14808 | * | |
14809 | * This routine is invoked to remove the memory region that | |
14810 | * provided rpi via a bitmask. | |
14811 | **/ | |
14812 | int | |
6b5151fd JS |
14813 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
14814 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
14815 | { |
14816 | LPFC_MBOXQ_t *mboxq; | |
14817 | struct lpfc_hba *phba = ndlp->phba; | |
14818 | int rc; | |
14819 | ||
14820 | /* The port is notified of the header region via a mailbox command. */ | |
14821 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14822 | if (!mboxq) | |
14823 | return -ENOMEM; | |
14824 | ||
14825 | /* Post all rpi memory regions to the port. */ | |
14826 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
14827 | if (cmpl) { |
14828 | mboxq->mbox_cmpl = cmpl; | |
14829 | mboxq->context1 = arg; | |
14830 | mboxq->context2 = ndlp; | |
72859909 JS |
14831 | } else |
14832 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 14833 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
14834 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
14835 | if (rc == MBX_NOT_FINISHED) { | |
14836 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14837 | "2010 Resume RPI Mailbox failed " | |
14838 | "status %d, mbxStatus x%x\n", rc, | |
14839 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
14840 | mempool_free(mboxq, phba->mbox_mem_pool); | |
14841 | return -EIO; | |
14842 | } | |
14843 | return 0; | |
14844 | } | |
14845 | ||
14846 | /** | |
14847 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 14848 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 14849 | * |
76a95d75 | 14850 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
14851 | * |
14852 | * Returns: | |
14853 | * 0 success | |
14854 | * -Evalue otherwise | |
14855 | **/ | |
14856 | int | |
76a95d75 | 14857 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
14858 | { |
14859 | LPFC_MBOXQ_t *mboxq; | |
14860 | int rc = 0; | |
6a9c52cf | 14861 | int retval = MBX_SUCCESS; |
6fb120a7 | 14862 | uint32_t mbox_tmo; |
76a95d75 | 14863 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
14864 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14865 | if (!mboxq) | |
14866 | return -ENOMEM; | |
76a95d75 | 14867 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 14868 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 14869 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 14870 | if (rc != MBX_SUCCESS) { |
76a95d75 | 14871 | lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, |
6fb120a7 JS |
14872 | "2022 INIT VPI Mailbox failed " |
14873 | "status %d, mbxStatus x%x\n", rc, | |
14874 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 14875 | retval = -EIO; |
6fb120a7 | 14876 | } |
6a9c52cf | 14877 | if (rc != MBX_TIMEOUT) |
76a95d75 | 14878 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
14879 | |
14880 | return retval; | |
6fb120a7 JS |
14881 | } |
14882 | ||
14883 | /** | |
14884 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
14885 | * @phba: pointer to lpfc hba data structure. | |
14886 | * @mboxq: Pointer to mailbox object. | |
14887 | * | |
14888 | * This routine is invoked to manually add a single FCF record. The caller | |
14889 | * must pass a completely initialized FCF_Record. This routine takes | |
14890 | * care of the nonembedded mailbox operations. | |
14891 | **/ | |
14892 | static void | |
14893 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
14894 | { | |
14895 | void *virt_addr; | |
14896 | union lpfc_sli4_cfg_shdr *shdr; | |
14897 | uint32_t shdr_status, shdr_add_status; | |
14898 | ||
14899 | virt_addr = mboxq->sge_array->addr[0]; | |
14900 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
14901 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
14902 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14903 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14904 | ||
14905 | if ((shdr_status || shdr_add_status) && | |
14906 | (shdr_status != STATUS_FCF_IN_USE)) | |
14907 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14908 | "2558 ADD_FCF_RECORD mailbox failed with " | |
14909 | "status x%x add_status x%x\n", | |
14910 | shdr_status, shdr_add_status); | |
14911 | ||
14912 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
14913 | } | |
14914 | ||
14915 | /** | |
14916 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
14917 | * @phba: pointer to lpfc hba data structure. | |
14918 | * @fcf_record: pointer to the initialized fcf record to add. | |
14919 | * | |
14920 | * This routine is invoked to manually add a single FCF record. The caller | |
14921 | * must pass a completely initialized FCF_Record. This routine takes | |
14922 | * care of the nonembedded mailbox operations. | |
14923 | **/ | |
14924 | int | |
14925 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
14926 | { | |
14927 | int rc = 0; | |
14928 | LPFC_MBOXQ_t *mboxq; | |
14929 | uint8_t *bytep; | |
14930 | void *virt_addr; | |
14931 | dma_addr_t phys_addr; | |
14932 | struct lpfc_mbx_sge sge; | |
14933 | uint32_t alloc_len, req_len; | |
14934 | uint32_t fcfindex; | |
14935 | ||
14936 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14937 | if (!mboxq) { | |
14938 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14939 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); | |
14940 | return -ENOMEM; | |
14941 | } | |
14942 | ||
14943 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
14944 | sizeof(uint32_t); | |
14945 | ||
14946 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
14947 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14948 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
14949 | req_len, LPFC_SLI4_MBX_NEMBED); | |
14950 | if (alloc_len < req_len) { | |
14951 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14952 | "2523 Allocated DMA memory size (x%x) is " | |
14953 | "less than the requested DMA memory " | |
14954 | "size (x%x)\n", alloc_len, req_len); | |
14955 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
14956 | return -ENOMEM; | |
14957 | } | |
14958 | ||
14959 | /* | |
14960 | * Get the first SGE entry from the non-embedded DMA memory. This | |
14961 | * routine only uses a single SGE. | |
14962 | */ | |
14963 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
14964 | phys_addr = getPaddr(sge.pa_hi, sge.pa_lo); | |
6fb120a7 JS |
14965 | virt_addr = mboxq->sge_array->addr[0]; |
14966 | /* | |
14967 | * Configure the FCF record for FCFI 0. This is the driver's | |
14968 | * hardcoded default and gets used in nonFIP mode. | |
14969 | */ | |
14970 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
14971 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
14972 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
14973 | ||
14974 | /* | |
14975 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
14976 | * the FCoE header plus word10. The data copy needs to be endian | |
14977 | * correct. | |
14978 | */ | |
14979 | bytep += sizeof(uint32_t); | |
14980 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
14981 | mboxq->vport = phba->pport; | |
14982 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
14983 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
14984 | if (rc == MBX_NOT_FINISHED) { | |
14985 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14986 | "2515 ADD_FCF_RECORD mailbox failed with " | |
14987 | "status 0x%x\n", rc); | |
14988 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
14989 | rc = -EIO; | |
14990 | } else | |
14991 | rc = 0; | |
14992 | ||
14993 | return rc; | |
14994 | } | |
14995 | ||
14996 | /** | |
14997 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
14998 | * @phba: pointer to lpfc hba data structure. | |
14999 | * @fcf_record: pointer to the fcf record to write the default data. | |
15000 | * @fcf_index: FCF table entry index. | |
15001 | * | |
15002 | * This routine is invoked to build the driver's default FCF record. The | |
15003 | * values used are hardcoded. This routine handles memory initialization. | |
15004 | * | |
15005 | **/ | |
15006 | void | |
15007 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
15008 | struct fcf_record *fcf_record, | |
15009 | uint16_t fcf_index) | |
15010 | { | |
15011 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
15012 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
15013 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
15014 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
15015 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
15016 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
15017 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
15018 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
15019 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
15020 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
15021 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
15022 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
15023 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
15024 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 15025 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
15026 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
15027 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
15028 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
15029 | /* Set the VLAN bit map */ | |
15030 | if (phba->valid_vlan) { | |
15031 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
15032 | = 1 << (phba->vlan_id % 8); | |
15033 | } | |
15034 | } | |
15035 | ||
15036 | /** | |
0c9ab6f5 | 15037 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
15038 | * @phba: pointer to lpfc hba data structure. |
15039 | * @fcf_index: FCF table entry offset. | |
15040 | * | |
0c9ab6f5 JS |
15041 | * This routine is invoked to scan the entire FCF table by reading FCF |
15042 | * record and processing it one at a time starting from the @fcf_index | |
15043 | * for initial FCF discovery or fast FCF failover rediscovery. | |
15044 | * | |
25985edc | 15045 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 15046 | * otherwise. |
6fb120a7 JS |
15047 | **/ |
15048 | int | |
0c9ab6f5 | 15049 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
15050 | { |
15051 | int rc = 0, error; | |
15052 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 15053 | |
32b9793f | 15054 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
6fb120a7 JS |
15055 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15056 | if (!mboxq) { | |
15057 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15058 | "2000 Failed to allocate mbox for " | |
15059 | "READ_FCF cmd\n"); | |
4d9ab994 | 15060 | error = -ENOMEM; |
0c9ab6f5 | 15061 | goto fail_fcf_scan; |
6fb120a7 | 15062 | } |
ecfd03c6 | 15063 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 15064 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
15065 | if (rc) { |
15066 | error = -EINVAL; | |
0c9ab6f5 | 15067 | goto fail_fcf_scan; |
6fb120a7 | 15068 | } |
ecfd03c6 | 15069 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 15070 | mboxq->vport = phba->pport; |
0c9ab6f5 | 15071 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
15072 | |
15073 | spin_lock_irq(&phba->hbalock); | |
15074 | phba->hba_flag |= FCF_TS_INPROG; | |
15075 | spin_unlock_irq(&phba->hbalock); | |
15076 | ||
6fb120a7 | 15077 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 15078 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 15079 | error = -EIO; |
ecfd03c6 | 15080 | else { |
38b92ef8 JS |
15081 | /* Reset eligible FCF count for new scan */ |
15082 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 15083 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 15084 | error = 0; |
32b9793f | 15085 | } |
0c9ab6f5 | 15086 | fail_fcf_scan: |
4d9ab994 JS |
15087 | if (error) { |
15088 | if (mboxq) | |
15089 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 15090 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 15091 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 15092 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
15093 | spin_unlock_irq(&phba->hbalock); |
15094 | } | |
6fb120a7 JS |
15095 | return error; |
15096 | } | |
a0c87cbd | 15097 | |
0c9ab6f5 | 15098 | /** |
a93ff37a | 15099 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
15100 | * @phba: pointer to lpfc hba data structure. |
15101 | * @fcf_index: FCF table entry offset. | |
15102 | * | |
15103 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 15104 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 15105 | * |
25985edc | 15106 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
15107 | * otherwise. |
15108 | **/ | |
15109 | int | |
15110 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
15111 | { | |
15112 | int rc = 0, error; | |
15113 | LPFC_MBOXQ_t *mboxq; | |
15114 | ||
15115 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15116 | if (!mboxq) { | |
15117 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
15118 | "2763 Failed to allocate mbox for " | |
15119 | "READ_FCF cmd\n"); | |
15120 | error = -ENOMEM; | |
15121 | goto fail_fcf_read; | |
15122 | } | |
15123 | /* Construct the read FCF record mailbox command */ | |
15124 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
15125 | if (rc) { | |
15126 | error = -EINVAL; | |
15127 | goto fail_fcf_read; | |
15128 | } | |
15129 | /* Issue the mailbox command asynchronously */ | |
15130 | mboxq->vport = phba->pport; | |
15131 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
15132 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
15133 | if (rc == MBX_NOT_FINISHED) | |
15134 | error = -EIO; | |
15135 | else | |
15136 | error = 0; | |
15137 | ||
15138 | fail_fcf_read: | |
15139 | if (error && mboxq) | |
15140 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
15141 | return error; | |
15142 | } | |
15143 | ||
15144 | /** | |
15145 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
15146 | * @phba: pointer to lpfc hba data structure. | |
15147 | * @fcf_index: FCF table entry offset. | |
15148 | * | |
15149 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 15150 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 15151 | * |
25985edc | 15152 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
15153 | * otherwise. |
15154 | **/ | |
15155 | int | |
15156 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
15157 | { | |
15158 | int rc = 0, error; | |
15159 | LPFC_MBOXQ_t *mboxq; | |
15160 | ||
15161 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15162 | if (!mboxq) { | |
15163 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
15164 | "2758 Failed to allocate mbox for " | |
15165 | "READ_FCF cmd\n"); | |
15166 | error = -ENOMEM; | |
15167 | goto fail_fcf_read; | |
15168 | } | |
15169 | /* Construct the read FCF record mailbox command */ | |
15170 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
15171 | if (rc) { | |
15172 | error = -EINVAL; | |
15173 | goto fail_fcf_read; | |
15174 | } | |
15175 | /* Issue the mailbox command asynchronously */ | |
15176 | mboxq->vport = phba->pport; | |
15177 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
15178 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
15179 | if (rc == MBX_NOT_FINISHED) | |
15180 | error = -EIO; | |
15181 | else | |
15182 | error = 0; | |
15183 | ||
15184 | fail_fcf_read: | |
15185 | if (error && mboxq) | |
15186 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
15187 | return error; | |
15188 | } | |
15189 | ||
7d791df7 JS |
15190 | /** |
15191 | * lpfc_check_next_fcf_pri | |
15192 | * phba pointer to the lpfc_hba struct for this port. | |
15193 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get | |
15194 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
15195 | * rr_bmask based on their priority level. Starting from the highest priority | |
15196 | * to the lowest. The most likely FCF candidate will be in the highest | |
15197 | * priority group. When this routine is called it searches the fcf_pri list for | |
15198 | * next lowest priority group and repopulates the rr_bmask with only those | |
15199 | * fcf_indexes. | |
15200 | * returns: | |
15201 | * 1=success 0=failure | |
15202 | **/ | |
15203 | int | |
15204 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) | |
15205 | { | |
15206 | uint16_t next_fcf_pri; | |
15207 | uint16_t last_index; | |
15208 | struct lpfc_fcf_pri *fcf_pri; | |
15209 | int rc; | |
15210 | int ret = 0; | |
15211 | ||
15212 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
15213 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
15214 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
15215 | "3060 Last IDX %d\n", last_index); | |
15216 | if (list_empty(&phba->fcf.fcf_pri_list)) { | |
15217 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
15218 | "3061 Last IDX %d\n", last_index); | |
15219 | return 0; /* Empty rr list */ | |
15220 | } | |
15221 | next_fcf_pri = 0; | |
15222 | /* | |
15223 | * Clear the rr_bmask and set all of the bits that are at this | |
15224 | * priority. | |
15225 | */ | |
15226 | memset(phba->fcf.fcf_rr_bmask, 0, | |
15227 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
15228 | spin_lock_irq(&phba->hbalock); | |
15229 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
15230 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
15231 | continue; | |
15232 | /* | |
15233 | * the 1st priority that has not FLOGI failed | |
15234 | * will be the highest. | |
15235 | */ | |
15236 | if (!next_fcf_pri) | |
15237 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
15238 | spin_unlock_irq(&phba->hbalock); | |
15239 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
15240 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
15241 | fcf_pri->fcf_rec.fcf_index); | |
15242 | if (rc) | |
15243 | return 0; | |
15244 | } | |
15245 | spin_lock_irq(&phba->hbalock); | |
15246 | } | |
15247 | /* | |
15248 | * if next_fcf_pri was not set above and the list is not empty then | |
15249 | * we have failed flogis on all of them. So reset flogi failed | |
15250 | * and start at the begining. | |
15251 | */ | |
15252 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
15253 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
15254 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
15255 | /* | |
15256 | * the 1st priority that has not FLOGI failed | |
15257 | * will be the highest. | |
15258 | */ | |
15259 | if (!next_fcf_pri) | |
15260 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
15261 | spin_unlock_irq(&phba->hbalock); | |
15262 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
15263 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
15264 | fcf_pri->fcf_rec.fcf_index); | |
15265 | if (rc) | |
15266 | return 0; | |
15267 | } | |
15268 | spin_lock_irq(&phba->hbalock); | |
15269 | } | |
15270 | } else | |
15271 | ret = 1; | |
15272 | spin_unlock_irq(&phba->hbalock); | |
15273 | ||
15274 | return ret; | |
15275 | } | |
0c9ab6f5 JS |
15276 | /** |
15277 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
15278 | * @phba: pointer to lpfc hba data structure. | |
15279 | * | |
15280 | * This routine is to get the next eligible FCF record index in a round | |
15281 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 15282 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
15283 | * shall be returned, otherwise, the next eligible FCF record's index |
15284 | * shall be returned. | |
15285 | **/ | |
15286 | uint16_t | |
15287 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
15288 | { | |
15289 | uint16_t next_fcf_index; | |
15290 | ||
3804dc84 | 15291 | /* Search start from next bit of currently registered FCF index */ |
7d791df7 | 15292 | next_priority: |
3804dc84 JS |
15293 | next_fcf_index = (phba->fcf.current_rec.fcf_indx + 1) % |
15294 | LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
15295 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
15296 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
15297 | next_fcf_index); |
15298 | ||
0c9ab6f5 | 15299 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
15300 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
15301 | /* | |
15302 | * If we have wrapped then we need to clear the bits that | |
15303 | * have been tested so that we can detect when we should | |
15304 | * change the priority level. | |
15305 | */ | |
0c9ab6f5 JS |
15306 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
15307 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
15308 | } |
15309 | ||
3804dc84 JS |
15310 | |
15311 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
15312 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
15313 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
15314 | /* | |
15315 | * If next fcf index is not found check if there are lower | |
15316 | * Priority level fcf's in the fcf_priority list. | |
15317 | * Set up the rr_bmask with all of the avaiable fcf bits | |
15318 | * at that level and continue the selection process. | |
15319 | */ | |
15320 | if (lpfc_check_next_fcf_pri_level(phba)) | |
15321 | goto next_priority; | |
3804dc84 JS |
15322 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
15323 | "2844 No roundrobin failover FCF available\n"); | |
7d791df7 JS |
15324 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) |
15325 | return LPFC_FCOE_FCF_NEXT_NONE; | |
15326 | else { | |
15327 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
15328 | "3063 Only FCF available idx %d, flag %x\n", | |
15329 | next_fcf_index, | |
15330 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag); | |
15331 | return next_fcf_index; | |
15332 | } | |
3804dc84 JS |
15333 | } |
15334 | ||
7d791df7 JS |
15335 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
15336 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
15337 | LPFC_FCF_FLOGI_FAILED) | |
15338 | goto next_priority; | |
15339 | ||
3804dc84 | 15340 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
15341 | "2845 Get next roundrobin failover FCF (x%x)\n", |
15342 | next_fcf_index); | |
15343 | ||
0c9ab6f5 JS |
15344 | return next_fcf_index; |
15345 | } | |
15346 | ||
15347 | /** | |
15348 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
15349 | * @phba: pointer to lpfc hba data structure. | |
15350 | * | |
15351 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 15352 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
15353 | * does not go beyond the range of the driver allocated bmask dimension |
15354 | * before setting the bit. | |
15355 | * | |
15356 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
15357 | * -EINVAL. | |
15358 | **/ | |
15359 | int | |
15360 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
15361 | { | |
15362 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
15363 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
15364 | "2610 FCF (x%x) reached driver's book " |
15365 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
15366 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
15367 | return -EINVAL; | |
15368 | } | |
15369 | /* Set the eligible FCF record index bmask */ | |
15370 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
15371 | ||
3804dc84 | 15372 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 15373 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
15374 | "bmask\n", fcf_index); |
15375 | ||
0c9ab6f5 JS |
15376 | return 0; |
15377 | } | |
15378 | ||
15379 | /** | |
3804dc84 | 15380 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 JS |
15381 | * @phba: pointer to lpfc hba data structure. |
15382 | * | |
15383 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 15384 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
15385 | * does not go beyond the range of the driver allocated bmask dimension |
15386 | * before clearing the bit. | |
15387 | **/ | |
15388 | void | |
15389 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
15390 | { | |
7d791df7 | 15391 | struct lpfc_fcf_pri *fcf_pri; |
0c9ab6f5 JS |
15392 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
15393 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
15394 | "2762 FCF (x%x) reached driver's book " |
15395 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
15396 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
15397 | return; | |
15398 | } | |
15399 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 JS |
15400 | spin_lock_irq(&phba->hbalock); |
15401 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
15402 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { | |
15403 | list_del_init(&fcf_pri->list); | |
15404 | break; | |
15405 | } | |
15406 | } | |
15407 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 15408 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
15409 | |
15410 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 15411 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 15412 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
15413 | } |
15414 | ||
ecfd03c6 JS |
15415 | /** |
15416 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
15417 | * @phba: pointer to lpfc hba data structure. | |
15418 | * | |
15419 | * This routine is the completion routine for the rediscover FCF table mailbox | |
15420 | * command. If the mailbox command returned failure, it will try to stop the | |
15421 | * FCF rediscover wait timer. | |
15422 | **/ | |
15423 | void | |
15424 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) | |
15425 | { | |
15426 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
15427 | uint32_t shdr_status, shdr_add_status; | |
15428 | ||
15429 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
15430 | ||
15431 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
15432 | &redisc_fcf->header.cfg_shdr.response); | |
15433 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
15434 | &redisc_fcf->header.cfg_shdr.response); | |
15435 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 15436 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
15437 | "2746 Requesting for FCF rediscovery failed " |
15438 | "status x%x add_status x%x\n", | |
15439 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 15440 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 15441 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 15442 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
15443 | spin_unlock_irq(&phba->hbalock); |
15444 | /* | |
15445 | * CVL event triggered FCF rediscover request failed, | |
15446 | * last resort to re-try current registered FCF entry. | |
15447 | */ | |
15448 | lpfc_retry_pport_discovery(phba); | |
15449 | } else { | |
15450 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 15451 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
15452 | spin_unlock_irq(&phba->hbalock); |
15453 | /* | |
15454 | * DEAD FCF event triggered FCF rediscover request | |
15455 | * failed, last resort to fail over as a link down | |
15456 | * to FCF registration. | |
15457 | */ | |
15458 | lpfc_sli4_fcf_dead_failthrough(phba); | |
15459 | } | |
0c9ab6f5 JS |
15460 | } else { |
15461 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 15462 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
15463 | /* |
15464 | * Start FCF rediscovery wait timer for pending FCF | |
15465 | * before rescan FCF record table. | |
15466 | */ | |
15467 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 15468 | } |
ecfd03c6 JS |
15469 | |
15470 | mempool_free(mbox, phba->mbox_mem_pool); | |
15471 | } | |
15472 | ||
15473 | /** | |
3804dc84 | 15474 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
15475 | * @phba: pointer to lpfc hba data structure. |
15476 | * | |
15477 | * This routine is invoked to request for rediscovery of the entire FCF table | |
15478 | * by the port. | |
15479 | **/ | |
15480 | int | |
15481 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
15482 | { | |
15483 | LPFC_MBOXQ_t *mbox; | |
15484 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
15485 | int rc, length; | |
15486 | ||
0c9ab6f5 JS |
15487 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
15488 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
15489 | ||
ecfd03c6 JS |
15490 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15491 | if (!mbox) { | |
15492 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15493 | "2745 Failed to allocate mbox for " | |
15494 | "requesting FCF rediscover.\n"); | |
15495 | return -ENOMEM; | |
15496 | } | |
15497 | ||
15498 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
15499 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15500 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15501 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
15502 | length, LPFC_SLI4_MBX_EMBED); | |
15503 | ||
15504 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
15505 | /* Set count to 0 for invalidating the entire FCF database */ | |
15506 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
15507 | ||
15508 | /* Issue the mailbox command asynchronously */ | |
15509 | mbox->vport = phba->pport; | |
15510 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
15511 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
15512 | ||
15513 | if (rc == MBX_NOT_FINISHED) { | |
15514 | mempool_free(mbox, phba->mbox_mem_pool); | |
15515 | return -EIO; | |
15516 | } | |
15517 | return 0; | |
15518 | } | |
15519 | ||
fc2b989b JS |
15520 | /** |
15521 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
15522 | * @phba: pointer to lpfc hba data structure. | |
15523 | * | |
15524 | * This function is the failover routine as a last resort to the FCF DEAD | |
15525 | * event when driver failed to perform fast FCF failover. | |
15526 | **/ | |
15527 | void | |
15528 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
15529 | { | |
15530 | uint32_t link_state; | |
15531 | ||
15532 | /* | |
15533 | * Last resort as FCF DEAD event failover will treat this as | |
15534 | * a link down, but save the link state because we don't want | |
15535 | * it to be changed to Link Down unless it is already down. | |
15536 | */ | |
15537 | link_state = phba->link_state; | |
15538 | lpfc_linkdown(phba); | |
15539 | phba->link_state = link_state; | |
15540 | ||
15541 | /* Unregister FCF if no devices connected to it */ | |
15542 | lpfc_unregister_unused_fcf(phba); | |
15543 | } | |
15544 | ||
a0c87cbd | 15545 | /** |
026abb87 | 15546 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 15547 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 15548 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 15549 | * |
026abb87 JS |
15550 | * This function gets SLI3 port configure region 23 data through memory dump |
15551 | * mailbox command. When it successfully retrieves data, the size of the data | |
15552 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 15553 | **/ |
026abb87 JS |
15554 | static uint32_t |
15555 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
15556 | { |
15557 | LPFC_MBOXQ_t *pmb = NULL; | |
15558 | MAILBOX_t *mb; | |
026abb87 | 15559 | uint32_t offset = 0; |
a0c87cbd JS |
15560 | int rc; |
15561 | ||
026abb87 JS |
15562 | if (!rgn23_data) |
15563 | return 0; | |
15564 | ||
a0c87cbd JS |
15565 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15566 | if (!pmb) { | |
15567 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
026abb87 JS |
15568 | "2600 failed to allocate mailbox memory\n"); |
15569 | return 0; | |
a0c87cbd JS |
15570 | } |
15571 | mb = &pmb->u.mb; | |
15572 | ||
a0c87cbd JS |
15573 | do { |
15574 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
15575 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
15576 | ||
15577 | if (rc != MBX_SUCCESS) { | |
15578 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
15579 | "2601 failed to read config " |
15580 | "region 23, rc 0x%x Status 0x%x\n", | |
15581 | rc, mb->mbxStatus); | |
a0c87cbd JS |
15582 | mb->un.varDmp.word_cnt = 0; |
15583 | } | |
15584 | /* | |
15585 | * dump mem may return a zero when finished or we got a | |
15586 | * mailbox error, either way we are done. | |
15587 | */ | |
15588 | if (mb->un.varDmp.word_cnt == 0) | |
15589 | break; | |
15590 | if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) | |
15591 | mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; | |
15592 | ||
15593 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
026abb87 JS |
15594 | rgn23_data + offset, |
15595 | mb->un.varDmp.word_cnt); | |
a0c87cbd JS |
15596 | offset += mb->un.varDmp.word_cnt; |
15597 | } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); | |
15598 | ||
026abb87 JS |
15599 | mempool_free(pmb, phba->mbox_mem_pool); |
15600 | return offset; | |
15601 | } | |
15602 | ||
15603 | /** | |
15604 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
15605 | * @phba: pointer to lpfc hba data structure. | |
15606 | * @rgn23_data: pointer to configure region 23 data. | |
15607 | * | |
15608 | * This function gets SLI4 port configure region 23 data through memory dump | |
15609 | * mailbox command. When it successfully retrieves data, the size of the data | |
15610 | * will be returned, otherwise, 0 will be returned. | |
15611 | **/ | |
15612 | static uint32_t | |
15613 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
15614 | { | |
15615 | LPFC_MBOXQ_t *mboxq = NULL; | |
15616 | struct lpfc_dmabuf *mp = NULL; | |
15617 | struct lpfc_mqe *mqe; | |
15618 | uint32_t data_length = 0; | |
15619 | int rc; | |
15620 | ||
15621 | if (!rgn23_data) | |
15622 | return 0; | |
15623 | ||
15624 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15625 | if (!mboxq) { | |
15626 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15627 | "3105 failed to allocate mailbox memory\n"); | |
15628 | return 0; | |
15629 | } | |
15630 | ||
15631 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
15632 | goto out; | |
15633 | mqe = &mboxq->u.mqe; | |
15634 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
15635 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
15636 | if (rc) | |
15637 | goto out; | |
15638 | data_length = mqe->un.mb_words[5]; | |
15639 | if (data_length == 0) | |
15640 | goto out; | |
15641 | if (data_length > DMP_RGN23_SIZE) { | |
15642 | data_length = 0; | |
15643 | goto out; | |
15644 | } | |
15645 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
15646 | out: | |
15647 | mempool_free(mboxq, phba->mbox_mem_pool); | |
15648 | if (mp) { | |
15649 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
15650 | kfree(mp); | |
15651 | } | |
15652 | return data_length; | |
15653 | } | |
15654 | ||
15655 | /** | |
15656 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
15657 | * @phba: pointer to lpfc hba data structure. | |
15658 | * | |
15659 | * This function read region 23 and parse TLV for port status to | |
15660 | * decide if the user disaled the port. If the TLV indicates the | |
15661 | * port is disabled, the hba_flag is set accordingly. | |
15662 | **/ | |
15663 | void | |
15664 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
15665 | { | |
15666 | uint8_t *rgn23_data = NULL; | |
15667 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
15668 | uint32_t offset = 0; | |
15669 | ||
15670 | /* Get adapter Region 23 data */ | |
15671 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
15672 | if (!rgn23_data) | |
15673 | goto out; | |
15674 | ||
15675 | if (phba->sli_rev < LPFC_SLI_REV4) | |
15676 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
15677 | else { | |
15678 | if_type = bf_get(lpfc_sli_intf_if_type, | |
15679 | &phba->sli4_hba.sli_intf); | |
15680 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
15681 | goto out; | |
15682 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
15683 | } | |
a0c87cbd JS |
15684 | |
15685 | if (!data_size) | |
15686 | goto out; | |
15687 | ||
15688 | /* Check the region signature first */ | |
15689 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
15690 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15691 | "2619 Config region 23 has bad signature\n"); | |
15692 | goto out; | |
15693 | } | |
15694 | offset += 4; | |
15695 | ||
15696 | /* Check the data structure version */ | |
15697 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
15698 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15699 | "2620 Config region 23 has bad version\n"); | |
15700 | goto out; | |
15701 | } | |
15702 | offset += 4; | |
15703 | ||
15704 | /* Parse TLV entries in the region */ | |
15705 | while (offset < data_size) { | |
15706 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
15707 | break; | |
15708 | /* | |
15709 | * If the TLV is not driver specific TLV or driver id is | |
15710 | * not linux driver id, skip the record. | |
15711 | */ | |
15712 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
15713 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
15714 | (rgn23_data[offset + 3] != 0)) { | |
15715 | offset += rgn23_data[offset + 1] * 4 + 4; | |
15716 | continue; | |
15717 | } | |
15718 | ||
15719 | /* Driver found a driver specific TLV in the config region */ | |
15720 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
15721 | offset += 4; | |
15722 | tlv_offset = 0; | |
15723 | ||
15724 | /* | |
15725 | * Search for configured port state sub-TLV. | |
15726 | */ | |
15727 | while ((offset < data_size) && | |
15728 | (tlv_offset < sub_tlv_len)) { | |
15729 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
15730 | offset += 4; | |
15731 | tlv_offset += 4; | |
15732 | break; | |
15733 | } | |
15734 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
15735 | offset += rgn23_data[offset + 1] * 4 + 4; | |
15736 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
15737 | continue; | |
15738 | } | |
15739 | ||
15740 | /* This HBA contains PORT_STE configured */ | |
15741 | if (!rgn23_data[offset + 2]) | |
15742 | phba->hba_flag |= LINK_DISABLED; | |
15743 | ||
15744 | goto out; | |
15745 | } | |
15746 | } | |
026abb87 | 15747 | |
a0c87cbd | 15748 | out: |
a0c87cbd JS |
15749 | kfree(rgn23_data); |
15750 | return; | |
15751 | } | |
695a814e | 15752 | |
52d52440 JS |
15753 | /** |
15754 | * lpfc_wr_object - write an object to the firmware | |
15755 | * @phba: HBA structure that indicates port to create a queue on. | |
15756 | * @dmabuf_list: list of dmabufs to write to the port. | |
15757 | * @size: the total byte value of the objects to write to the port. | |
15758 | * @offset: the current offset to be used to start the transfer. | |
15759 | * | |
15760 | * This routine will create a wr_object mailbox command to send to the port. | |
15761 | * the mailbox command will be constructed using the dma buffers described in | |
15762 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
15763 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
15764 | * used to indicate the starting offset of the transfer and will also return | |
15765 | * the offset after the write object mailbox has completed. @size is used to | |
15766 | * determine the end of the object and whether the eof bit should be set. | |
15767 | * | |
15768 | * Return 0 is successful and offset will contain the the new offset to use | |
15769 | * for the next write. | |
15770 | * Return negative value for error cases. | |
15771 | **/ | |
15772 | int | |
15773 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
15774 | uint32_t size, uint32_t *offset) | |
15775 | { | |
15776 | struct lpfc_mbx_wr_object *wr_object; | |
15777 | LPFC_MBOXQ_t *mbox; | |
15778 | int rc = 0, i = 0; | |
15779 | uint32_t shdr_status, shdr_add_status; | |
15780 | uint32_t mbox_tmo; | |
15781 | union lpfc_sli4_cfg_shdr *shdr; | |
15782 | struct lpfc_dmabuf *dmabuf; | |
15783 | uint32_t written = 0; | |
15784 | ||
15785 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15786 | if (!mbox) | |
15787 | return -ENOMEM; | |
15788 | ||
15789 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15790 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
15791 | sizeof(struct lpfc_mbx_wr_object) - | |
15792 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
15793 | ||
15794 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
15795 | wr_object->u.request.write_offset = *offset; | |
15796 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
15797 | wr_object->u.request.object_name[0] = | |
15798 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
15799 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
15800 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
15801 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
15802 | break; | |
15803 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
15804 | wr_object->u.request.bde[i].addrHigh = | |
15805 | putPaddrHigh(dmabuf->phys); | |
15806 | if (written + SLI4_PAGE_SIZE >= size) { | |
15807 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
15808 | (size - written); | |
15809 | written += (size - written); | |
15810 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
15811 | } else { | |
15812 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
15813 | SLI4_PAGE_SIZE; | |
15814 | written += SLI4_PAGE_SIZE; | |
15815 | } | |
15816 | i++; | |
15817 | } | |
15818 | wr_object->u.request.bde_count = i; | |
15819 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
15820 | if (!phba->sli4_hba.intr_enable) | |
15821 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15822 | else { | |
a183a15f | 15823 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
15824 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
15825 | } | |
15826 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15827 | shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr; | |
15828 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15829 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15830 | if (rc != MBX_TIMEOUT) | |
15831 | mempool_free(mbox, phba->mbox_mem_pool); | |
15832 | if (shdr_status || shdr_add_status || rc) { | |
15833 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15834 | "3025 Write Object mailbox failed with " | |
15835 | "status x%x add_status x%x, mbx status x%x\n", | |
15836 | shdr_status, shdr_add_status, rc); | |
15837 | rc = -ENXIO; | |
15838 | } else | |
15839 | *offset += wr_object->u.response.actual_write_length; | |
15840 | return rc; | |
15841 | } | |
15842 | ||
695a814e JS |
15843 | /** |
15844 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
15845 | * @vport: pointer to vport data structure. | |
15846 | * | |
15847 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
15848 | * and REG_VPI mailbox commands associated with the vport. This function | |
15849 | * is called when driver want to restart discovery of the vport due to | |
15850 | * a Clear Virtual Link event. | |
15851 | **/ | |
15852 | void | |
15853 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
15854 | { | |
15855 | struct lpfc_hba *phba = vport->phba; | |
15856 | LPFC_MBOXQ_t *mb, *nextmb; | |
15857 | struct lpfc_dmabuf *mp; | |
78730cfe | 15858 | struct lpfc_nodelist *ndlp; |
d439d286 | 15859 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 15860 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 15861 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 15862 | uint8_t restart_loop; |
695a814e | 15863 | |
d439d286 | 15864 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
15865 | spin_lock_irq(&phba->hbalock); |
15866 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
15867 | if (mb->vport != vport) | |
15868 | continue; | |
15869 | ||
15870 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
15871 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
15872 | continue; | |
15873 | ||
d439d286 JS |
15874 | list_del(&mb->list); |
15875 | list_add_tail(&mb->list, &mbox_cmd_list); | |
15876 | } | |
15877 | /* Clean up active mailbox command with the vport */ | |
15878 | mb = phba->sli.mbox_active; | |
15879 | if (mb && (mb->vport == vport)) { | |
15880 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
15881 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
15882 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15883 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
15884 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->context2; | |
15885 | /* Put reference count for delayed processing */ | |
15886 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
15887 | /* Unregister the RPI when mailbox complete */ | |
15888 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
15889 | } | |
15890 | } | |
63e801ce JS |
15891 | /* Cleanup any mailbox completions which are not yet processed */ |
15892 | do { | |
15893 | restart_loop = 0; | |
15894 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
15895 | /* | |
15896 | * If this mailox is already processed or it is | |
15897 | * for another vport ignore it. | |
15898 | */ | |
15899 | if ((mb->vport != vport) || | |
15900 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
15901 | continue; | |
15902 | ||
15903 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
15904 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
15905 | continue; | |
15906 | ||
15907 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15908 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
15909 | ndlp = (struct lpfc_nodelist *)mb->context2; | |
15910 | /* Unregister the RPI when mailbox complete */ | |
15911 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
15912 | restart_loop = 1; | |
15913 | spin_unlock_irq(&phba->hbalock); | |
15914 | spin_lock(shost->host_lock); | |
15915 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
15916 | spin_unlock(shost->host_lock); | |
15917 | spin_lock_irq(&phba->hbalock); | |
15918 | break; | |
15919 | } | |
15920 | } | |
15921 | } while (restart_loop); | |
15922 | ||
d439d286 JS |
15923 | spin_unlock_irq(&phba->hbalock); |
15924 | ||
15925 | /* Release the cleaned-up mailbox commands */ | |
15926 | while (!list_empty(&mbox_cmd_list)) { | |
15927 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e JS |
15928 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
15929 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
15930 | if (mp) { | |
15931 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
15932 | kfree(mp); | |
15933 | } | |
78730cfe | 15934 | ndlp = (struct lpfc_nodelist *) mb->context2; |
d439d286 | 15935 | mb->context2 = NULL; |
78730cfe | 15936 | if (ndlp) { |
ec21b3b0 | 15937 | spin_lock(shost->host_lock); |
589a52d6 | 15938 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 15939 | spin_unlock(shost->host_lock); |
78730cfe | 15940 | lpfc_nlp_put(ndlp); |
78730cfe | 15941 | } |
695a814e | 15942 | } |
695a814e JS |
15943 | mempool_free(mb, phba->mbox_mem_pool); |
15944 | } | |
d439d286 JS |
15945 | |
15946 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
15947 | if (act_mbx_ndlp) { | |
15948 | spin_lock(shost->host_lock); | |
15949 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
15950 | spin_unlock(shost->host_lock); | |
15951 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 15952 | } |
695a814e JS |
15953 | } |
15954 | ||
2a9bf3d0 JS |
15955 | /** |
15956 | * lpfc_drain_txq - Drain the txq | |
15957 | * @phba: Pointer to HBA context object. | |
15958 | * | |
15959 | * This function attempt to submit IOCBs on the txq | |
15960 | * to the adapter. For SLI4 adapters, the txq contains | |
15961 | * ELS IOCBs that have been deferred because the there | |
15962 | * are no SGLs. This congestion can occur with large | |
15963 | * vport counts during node discovery. | |
15964 | **/ | |
15965 | ||
15966 | uint32_t | |
15967 | lpfc_drain_txq(struct lpfc_hba *phba) | |
15968 | { | |
15969 | LIST_HEAD(completions); | |
15970 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
15971 | struct lpfc_iocbq *piocbq = 0; | |
15972 | unsigned long iflags = 0; | |
15973 | char *fail_msg = NULL; | |
15974 | struct lpfc_sglq *sglq; | |
15975 | union lpfc_wqe wqe; | |
15976 | ||
15977 | spin_lock_irqsave(&phba->hbalock, iflags); | |
15978 | if (pring->txq_cnt > pring->txq_max) | |
15979 | pring->txq_max = pring->txq_cnt; | |
15980 | ||
15981 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
15982 | ||
15983 | while (pring->txq_cnt) { | |
15984 | spin_lock_irqsave(&phba->hbalock, iflags); | |
15985 | ||
19ca7609 JS |
15986 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
15987 | sglq = __lpfc_sli_get_sglq(phba, piocbq); | |
2a9bf3d0 | 15988 | if (!sglq) { |
19ca7609 | 15989 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
2a9bf3d0 JS |
15990 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
15991 | break; | |
15992 | } else { | |
2a9bf3d0 JS |
15993 | if (!piocbq) { |
15994 | /* The txq_cnt out of sync. This should | |
15995 | * never happen | |
15996 | */ | |
15997 | sglq = __lpfc_clear_active_sglq(phba, | |
6d368e53 | 15998 | sglq->sli4_lxritag); |
2a9bf3d0 JS |
15999 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
16000 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16001 | "2823 txq empty and txq_cnt is %d\n ", | |
16002 | pring->txq_cnt); | |
16003 | break; | |
16004 | } | |
16005 | } | |
16006 | ||
16007 | /* The xri and iocb resources secured, | |
16008 | * attempt to issue request | |
16009 | */ | |
6d368e53 | 16010 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
16011 | piocbq->sli4_xritag = sglq->sli4_xritag; |
16012 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
16013 | fail_msg = "to convert bpl to sgl"; | |
16014 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, &wqe)) | |
16015 | fail_msg = "to convert iocb to wqe"; | |
16016 | else if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, &wqe)) | |
16017 | fail_msg = " - Wq is full"; | |
16018 | else | |
16019 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
16020 | ||
16021 | if (fail_msg) { | |
16022 | /* Failed means we can't issue and need to cancel */ | |
16023 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16024 | "2822 IOCB failed %s iotag 0x%x " | |
16025 | "xri 0x%x\n", | |
16026 | fail_msg, | |
16027 | piocbq->iotag, piocbq->sli4_xritag); | |
16028 | list_add_tail(&piocbq->list, &completions); | |
16029 | } | |
16030 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
16031 | } | |
16032 | ||
2a9bf3d0 JS |
16033 | /* Cancel all the IOCBs that cannot be issued */ |
16034 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
16035 | IOERR_SLI_ABORTED); | |
16036 | ||
16037 | return pring->txq_cnt; | |
16038 | } |