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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
1b32f6aa | 4 | * Copyright (C) 2004-2008 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> | |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e JB |
28 | #include <scsi/scsi_cmnd.h> |
29 | #include <scsi/scsi_device.h> | |
30 | #include <scsi/scsi_host.h> | |
f888ba3c | 31 | #include <scsi/scsi_transport_fc.h> |
dea3101e JB |
32 | |
33 | #include "lpfc_hw.h" | |
34 | #include "lpfc_sli.h" | |
35 | #include "lpfc_disc.h" | |
36 | #include "lpfc_scsi.h" | |
37 | #include "lpfc.h" | |
38 | #include "lpfc_crtn.h" | |
39 | #include "lpfc_logmsg.h" | |
40 | #include "lpfc_compat.h" | |
858c9f6c | 41 | #include "lpfc_debugfs.h" |
dea3101e JB |
42 | |
43 | /* | |
44 | * Define macro to log: Mailbox command x%x cannot issue Data | |
45 | * This allows multiple uses of lpfc_msgBlk0311 | |
46 | * w/o perturbing log msg utility. | |
47 | */ | |
92d7f7b0 | 48 | #define LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) \ |
dea3101e JB |
49 | lpfc_printf_log(phba, \ |
50 | KERN_INFO, \ | |
51 | LOG_MBOX | LOG_SLI, \ | |
e8b62011 | 52 | "(%d):0311 Mailbox command x%x cannot " \ |
92d7f7b0 | 53 | "issue Data: x%x x%x x%x\n", \ |
92d7f7b0 JS |
54 | pmbox->vport ? pmbox->vport->vpi : 0, \ |
55 | pmbox->mb.mbxCommand, \ | |
2e0fef85 | 56 | phba->pport->port_state, \ |
dea3101e | 57 | psli->sli_flag, \ |
2e0fef85 | 58 | flag) |
dea3101e JB |
59 | |
60 | ||
61 | /* There are only four IOCB completion types. */ | |
62 | typedef enum _lpfc_iocb_type { | |
63 | LPFC_UNKNOWN_IOCB, | |
64 | LPFC_UNSOL_IOCB, | |
65 | LPFC_SOL_IOCB, | |
66 | LPFC_ABORT_IOCB | |
67 | } lpfc_iocb_type; | |
68 | ||
92d7f7b0 JS |
69 | /* SLI-2/SLI-3 provide different sized iocbs. Given a pointer |
70 | * to the start of the ring, and the slot number of the | |
71 | * desired iocb entry, calc a pointer to that entry. | |
72 | */ | |
ed957684 JS |
73 | static inline IOCB_t * |
74 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
75 | { | |
76 | return (IOCB_t *) (((char *) pring->cmdringaddr) + | |
77 | pring->cmdidx * phba->iocb_cmd_size); | |
78 | } | |
79 | ||
80 | static inline IOCB_t * | |
81 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
82 | { | |
83 | return (IOCB_t *) (((char *) pring->rspringaddr) + | |
84 | pring->rspidx * phba->iocb_rsp_size); | |
85 | } | |
86 | ||
2e0fef85 JS |
87 | static struct lpfc_iocbq * |
88 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
0bd4ca25 JSEC |
89 | { |
90 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
91 | struct lpfc_iocbq * iocbq = NULL; | |
92 | ||
93 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); | |
94 | return iocbq; | |
95 | } | |
96 | ||
2e0fef85 JS |
97 | struct lpfc_iocbq * |
98 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
99 | { | |
100 | struct lpfc_iocbq * iocbq = NULL; | |
101 | unsigned long iflags; | |
102 | ||
103 | spin_lock_irqsave(&phba->hbalock, iflags); | |
104 | iocbq = __lpfc_sli_get_iocbq(phba); | |
105 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
106 | return iocbq; | |
107 | } | |
108 | ||
a6ababd2 | 109 | static void |
2e0fef85 | 110 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 111 | { |
2e0fef85 | 112 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 JB |
113 | |
114 | /* | |
115 | * Clean all volatile data fields, preserve iotag and node struct. | |
116 | */ | |
117 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
118 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); | |
119 | } | |
120 | ||
2e0fef85 JS |
121 | void |
122 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
123 | { | |
124 | unsigned long iflags; | |
125 | ||
126 | /* | |
127 | * Clean all volatile data fields, preserve iotag and node struct. | |
128 | */ | |
129 | spin_lock_irqsave(&phba->hbalock, iflags); | |
130 | __lpfc_sli_release_iocbq(phba, iocbq); | |
131 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
132 | } | |
133 | ||
dea3101e JB |
134 | /* |
135 | * Translate the iocb command to an iocb command type used to decide the final | |
136 | * disposition of each completed IOCB. | |
137 | */ | |
138 | static lpfc_iocb_type | |
139 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
140 | { | |
141 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
142 | ||
143 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
144 | return 0; | |
145 | ||
146 | switch (iocb_cmnd) { | |
147 | case CMD_XMIT_SEQUENCE_CR: | |
148 | case CMD_XMIT_SEQUENCE_CX: | |
149 | case CMD_XMIT_BCAST_CN: | |
150 | case CMD_XMIT_BCAST_CX: | |
151 | case CMD_ELS_REQUEST_CR: | |
152 | case CMD_ELS_REQUEST_CX: | |
153 | case CMD_CREATE_XRI_CR: | |
154 | case CMD_CREATE_XRI_CX: | |
155 | case CMD_GET_RPI_CN: | |
156 | case CMD_XMIT_ELS_RSP_CX: | |
157 | case CMD_GET_RPI_CR: | |
158 | case CMD_FCP_IWRITE_CR: | |
159 | case CMD_FCP_IWRITE_CX: | |
160 | case CMD_FCP_IREAD_CR: | |
161 | case CMD_FCP_IREAD_CX: | |
162 | case CMD_FCP_ICMND_CR: | |
163 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
164 | case CMD_FCP_TSEND_CX: |
165 | case CMD_FCP_TRSP_CX: | |
166 | case CMD_FCP_TRECEIVE_CX: | |
167 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
168 | case CMD_ADAPTER_MSG: |
169 | case CMD_ADAPTER_DUMP: | |
170 | case CMD_XMIT_SEQUENCE64_CR: | |
171 | case CMD_XMIT_SEQUENCE64_CX: | |
172 | case CMD_XMIT_BCAST64_CN: | |
173 | case CMD_XMIT_BCAST64_CX: | |
174 | case CMD_ELS_REQUEST64_CR: | |
175 | case CMD_ELS_REQUEST64_CX: | |
176 | case CMD_FCP_IWRITE64_CR: | |
177 | case CMD_FCP_IWRITE64_CX: | |
178 | case CMD_FCP_IREAD64_CR: | |
179 | case CMD_FCP_IREAD64_CX: | |
180 | case CMD_FCP_ICMND64_CR: | |
181 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
182 | case CMD_FCP_TSEND64_CX: |
183 | case CMD_FCP_TRSP64_CX: | |
184 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
185 | case CMD_GEN_REQUEST64_CR: |
186 | case CMD_GEN_REQUEST64_CX: | |
187 | case CMD_XMIT_ELS_RSP64_CX: | |
188 | type = LPFC_SOL_IOCB; | |
189 | break; | |
190 | case CMD_ABORT_XRI_CN: | |
191 | case CMD_ABORT_XRI_CX: | |
192 | case CMD_CLOSE_XRI_CN: | |
193 | case CMD_CLOSE_XRI_CX: | |
194 | case CMD_XRI_ABORTED_CX: | |
195 | case CMD_ABORT_MXRI64_CN: | |
196 | type = LPFC_ABORT_IOCB; | |
197 | break; | |
198 | case CMD_RCV_SEQUENCE_CX: | |
199 | case CMD_RCV_ELS_REQ_CX: | |
200 | case CMD_RCV_SEQUENCE64_CX: | |
201 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 202 | case CMD_ASYNC_STATUS: |
ed957684 JS |
203 | case CMD_IOCB_RCV_SEQ64_CX: |
204 | case CMD_IOCB_RCV_ELS64_CX: | |
205 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 206 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
207 | type = LPFC_UNSOL_IOCB; |
208 | break; | |
3163f725 JS |
209 | case CMD_IOCB_XMIT_MSEQ64_CR: |
210 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
211 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
212 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
213 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
214 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
215 | case CMD_IOCB_RET_HBQE64_CN: | |
216 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
217 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
218 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
219 | case CMD_IOCB_LOGENTRY_CN: | |
220 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
221 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
222 | __FUNCTION__, iocb_cmnd); | |
223 | type = LPFC_UNKNOWN_IOCB; | |
224 | break; | |
dea3101e JB |
225 | default: |
226 | type = LPFC_UNKNOWN_IOCB; | |
227 | break; | |
228 | } | |
229 | ||
230 | return type; | |
231 | } | |
232 | ||
233 | static int | |
ed957684 | 234 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
235 | { |
236 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
237 | LPFC_MBOXQ_t *pmb; |
238 | MAILBOX_t *pmbox; | |
239 | int i, rc, ret = 0; | |
dea3101e | 240 | |
ed957684 JS |
241 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
242 | if (!pmb) | |
243 | return -ENOMEM; | |
244 | pmbox = &pmb->mb; | |
245 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
dea3101e | 246 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
247 | lpfc_config_ring(phba, i, pmb); |
248 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
249 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 250 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 251 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
252 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
253 | "ring %d\n", | |
e8b62011 JS |
254 | rc, pmbox->mbxCommand, |
255 | pmbox->mbxStatus, i); | |
2e0fef85 | 256 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
257 | ret = -ENXIO; |
258 | break; | |
dea3101e JB |
259 | } |
260 | } | |
ed957684 JS |
261 | mempool_free(pmb, phba->mbox_mem_pool); |
262 | return ret; | |
dea3101e JB |
263 | } |
264 | ||
265 | static int | |
2e0fef85 JS |
266 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
267 | struct lpfc_iocbq *piocb) | |
dea3101e | 268 | { |
dea3101e JB |
269 | list_add_tail(&piocb->list, &pring->txcmplq); |
270 | pring->txcmplq_cnt++; | |
92d7f7b0 JS |
271 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
272 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
273 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
274 | if (!piocb->vport) | |
275 | BUG(); | |
276 | else | |
277 | mod_timer(&piocb->vport->els_tmofunc, | |
278 | jiffies + HZ * (phba->fc_ratov << 1)); | |
279 | } | |
280 | ||
dea3101e | 281 | |
2e0fef85 | 282 | return 0; |
dea3101e JB |
283 | } |
284 | ||
285 | static struct lpfc_iocbq * | |
2e0fef85 | 286 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 287 | { |
dea3101e JB |
288 | struct lpfc_iocbq *cmd_iocb; |
289 | ||
858c9f6c JS |
290 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
291 | if (cmd_iocb != NULL) | |
dea3101e | 292 | pring->txq_cnt--; |
2e0fef85 | 293 | return cmd_iocb; |
dea3101e JB |
294 | } |
295 | ||
296 | static IOCB_t * | |
297 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
298 | { | |
ed957684 JS |
299 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
300 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
301 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e | 302 | uint32_t max_cmd_idx = pring->numCiocb; |
dea3101e JB |
303 | |
304 | if ((pring->next_cmdidx == pring->cmdidx) && | |
305 | (++pring->next_cmdidx >= max_cmd_idx)) | |
306 | pring->next_cmdidx = 0; | |
307 | ||
308 | if (unlikely(pring->local_getidx == pring->next_cmdidx)) { | |
309 | ||
310 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
311 | ||
312 | if (unlikely(pring->local_getidx >= max_cmd_idx)) { | |
313 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 314 | "0315 Ring %d issue: portCmdGet %d " |
dea3101e | 315 | "is bigger then cmd ring %d\n", |
e8b62011 | 316 | pring->ringno, |
dea3101e JB |
317 | pring->local_getidx, max_cmd_idx); |
318 | ||
2e0fef85 | 319 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
320 | /* |
321 | * All error attention handlers are posted to | |
322 | * worker thread | |
323 | */ | |
324 | phba->work_ha |= HA_ERATT; | |
325 | phba->work_hs = HS_FFER3; | |
92d7f7b0 JS |
326 | |
327 | /* hbalock should already be held */ | |
dea3101e | 328 | if (phba->work_wait) |
92d7f7b0 | 329 | lpfc_worker_wake_up(phba); |
dea3101e JB |
330 | |
331 | return NULL; | |
332 | } | |
333 | ||
334 | if (pring->local_getidx == pring->next_cmdidx) | |
335 | return NULL; | |
336 | } | |
337 | ||
ed957684 | 338 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
339 | } |
340 | ||
604a3e30 | 341 | uint16_t |
2e0fef85 | 342 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 343 | { |
2e0fef85 JS |
344 | struct lpfc_iocbq **new_arr; |
345 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
346 | size_t new_len; |
347 | struct lpfc_sli *psli = &phba->sli; | |
348 | uint16_t iotag; | |
dea3101e | 349 | |
2e0fef85 | 350 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
351 | iotag = psli->last_iotag; |
352 | if(++iotag < psli->iocbq_lookup_len) { | |
353 | psli->last_iotag = iotag; | |
354 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 355 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
356 | iocbq->iotag = iotag; |
357 | return iotag; | |
2e0fef85 | 358 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
359 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
360 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 JS |
361 | spin_unlock_irq(&phba->hbalock); |
362 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), | |
604a3e30 JB |
363 | GFP_KERNEL); |
364 | if (new_arr) { | |
2e0fef85 | 365 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
366 | old_arr = psli->iocbq_lookup; |
367 | if (new_len <= psli->iocbq_lookup_len) { | |
368 | /* highly unprobable case */ | |
369 | kfree(new_arr); | |
370 | iotag = psli->last_iotag; | |
371 | if(++iotag < psli->iocbq_lookup_len) { | |
372 | psli->last_iotag = iotag; | |
373 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 374 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
375 | iocbq->iotag = iotag; |
376 | return iotag; | |
377 | } | |
2e0fef85 | 378 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
379 | return 0; |
380 | } | |
381 | if (psli->iocbq_lookup) | |
382 | memcpy(new_arr, old_arr, | |
383 | ((psli->last_iotag + 1) * | |
311464ec | 384 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
385 | psli->iocbq_lookup = new_arr; |
386 | psli->iocbq_lookup_len = new_len; | |
387 | psli->last_iotag = iotag; | |
388 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 389 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
390 | iocbq->iotag = iotag; |
391 | kfree(old_arr); | |
392 | return iotag; | |
393 | } | |
8f6d98d2 | 394 | } else |
2e0fef85 | 395 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 396 | |
604a3e30 | 397 | lpfc_printf_log(phba, KERN_ERR,LOG_SLI, |
e8b62011 JS |
398 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
399 | psli->last_iotag); | |
dea3101e | 400 | |
604a3e30 | 401 | return 0; |
dea3101e JB |
402 | } |
403 | ||
404 | static void | |
405 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
406 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
407 | { | |
408 | /* | |
604a3e30 | 409 | * Set up an iotag |
dea3101e | 410 | */ |
604a3e30 | 411 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 412 | |
a58cbd52 JS |
413 | if (pring->ringno == LPFC_ELS_RING) { |
414 | lpfc_debugfs_slow_ring_trc(phba, | |
415 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
416 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
417 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
418 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
419 | } | |
420 | ||
dea3101e JB |
421 | /* |
422 | * Issue iocb command to adapter | |
423 | */ | |
92d7f7b0 | 424 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
425 | wmb(); |
426 | pring->stats.iocb_cmd++; | |
427 | ||
428 | /* | |
429 | * If there is no completion routine to call, we can release the | |
430 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
431 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
432 | */ | |
433 | if (nextiocb->iocb_cmpl) | |
434 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 435 | else |
2e0fef85 | 436 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
437 | |
438 | /* | |
439 | * Let the HBA know what IOCB slot will be the next one the | |
440 | * driver will put a command into. | |
441 | */ | |
442 | pring->cmdidx = pring->next_cmdidx; | |
ed957684 | 443 | writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); |
dea3101e JB |
444 | } |
445 | ||
446 | static void | |
2e0fef85 | 447 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
448 | { |
449 | int ringno = pring->ringno; | |
450 | ||
451 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
452 | ||
453 | wmb(); | |
454 | ||
455 | /* | |
456 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
457 | * The HBA will tell us when an IOCB entry is available. | |
458 | */ | |
459 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
460 | readl(phba->CAregaddr); /* flush */ | |
461 | ||
462 | pring->stats.iocb_cmd_full++; | |
463 | } | |
464 | ||
465 | static void | |
2e0fef85 | 466 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
467 | { |
468 | int ringno = pring->ringno; | |
469 | ||
470 | /* | |
471 | * Tell the HBA that there is work to do in this ring. | |
472 | */ | |
473 | wmb(); | |
474 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
475 | readl(phba->CAregaddr); /* flush */ | |
476 | } | |
477 | ||
478 | static void | |
2e0fef85 | 479 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
480 | { |
481 | IOCB_t *iocb; | |
482 | struct lpfc_iocbq *nextiocb; | |
483 | ||
484 | /* | |
485 | * Check to see if: | |
486 | * (a) there is anything on the txq to send | |
487 | * (b) link is up | |
488 | * (c) link attention events can be processed (fcp ring only) | |
489 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
490 | */ | |
491 | if (pring->txq_cnt && | |
2e0fef85 | 492 | lpfc_is_link_up(phba) && |
dea3101e | 493 | (pring->ringno != phba->sli.fcp_ring || |
0b727fea | 494 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
495 | |
496 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
497 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
498 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
499 | ||
500 | if (iocb) | |
501 | lpfc_sli_update_ring(phba, pring); | |
502 | else | |
503 | lpfc_sli_update_full_ring(phba, pring); | |
504 | } | |
505 | ||
506 | return; | |
507 | } | |
508 | ||
a6ababd2 | 509 | static struct lpfc_hbq_entry * |
ed957684 JS |
510 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
511 | { | |
512 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
513 | ||
514 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && | |
515 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
516 | hbqp->next_hbqPutIdx = 0; | |
517 | ||
518 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 519 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
520 | uint32_t getidx = le32_to_cpu(raw_index); |
521 | ||
522 | hbqp->local_hbqGetIdx = getidx; | |
523 | ||
524 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
525 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 526 | LOG_SLI | LOG_VPORT, |
e8b62011 | 527 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 528 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 529 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
530 | hbqp->entry_count); |
531 | ||
532 | phba->link_state = LPFC_HBA_ERROR; | |
533 | return NULL; | |
534 | } | |
535 | ||
536 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
537 | return NULL; | |
538 | } | |
539 | ||
51ef4c26 JS |
540 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
541 | hbqp->hbqPutIdx; | |
ed957684 JS |
542 | } |
543 | ||
544 | void | |
545 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
546 | { | |
92d7f7b0 JS |
547 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
548 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 549 | unsigned long flags; |
51ef4c26 | 550 | int i, hbq_count; |
3163f725 | 551 | uint32_t hbqno; |
ed957684 | 552 | |
51ef4c26 | 553 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 554 | /* Return all memory used by all HBQs */ |
3163f725 | 555 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
556 | for (i = 0; i < hbq_count; ++i) { |
557 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
558 | &phba->hbqs[i].hbq_buffer_list, list) { | |
559 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
560 | list_del(&hbq_buf->dbuf.list); | |
561 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
562 | } | |
a8adb832 | 563 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 564 | } |
3163f725 JS |
565 | /* Return all HBQ buffer that are in-fly */ |
566 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
567 | &phba->hbqbuf_in_list, list) { | |
568 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
569 | list_del(&hbq_buf->dbuf.list); | |
570 | if (hbq_buf->tag == -1) { | |
571 | (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) | |
572 | (phba, hbq_buf); | |
573 | } else { | |
574 | hbqno = hbq_buf->tag >> 16; | |
575 | if (hbqno >= LPFC_MAX_HBQS) | |
576 | (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer) | |
577 | (phba, hbq_buf); | |
578 | else | |
579 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, | |
580 | hbq_buf); | |
581 | } | |
582 | } | |
583 | ||
584 | /* Mark the HBQs not in use */ | |
585 | phba->hbq_in_use = 0; | |
586 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
587 | } |
588 | ||
51ef4c26 | 589 | static struct lpfc_hbq_entry * |
ed957684 | 590 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 591 | struct hbq_dmabuf *hbq_buf) |
ed957684 JS |
592 | { |
593 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 594 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 JS |
595 | |
596 | /* Get next HBQ entry slot to use */ | |
597 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
598 | if (hbqe) { | |
599 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
600 | ||
92d7f7b0 JS |
601 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
602 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
51ef4c26 | 603 | hbqe->bde.tus.f.bdeSize = hbq_buf->size; |
ed957684 | 604 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
605 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
606 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
607 | /* Sync SLIM */ | |
ed957684 JS |
608 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
609 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 610 | /* flush */ |
ed957684 | 611 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 612 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
ed957684 | 613 | } |
51ef4c26 | 614 | return hbqe; |
ed957684 JS |
615 | } |
616 | ||
92d7f7b0 JS |
617 | static struct lpfc_hbq_init lpfc_els_hbq = { |
618 | .rn = 1, | |
619 | .entry_count = 200, | |
620 | .mask_count = 0, | |
621 | .profile = 0, | |
51ef4c26 | 622 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 JS |
623 | .buffer_count = 0, |
624 | .init_count = 20, | |
625 | .add_count = 5, | |
626 | }; | |
ed957684 | 627 | |
51ef4c26 JS |
628 | static struct lpfc_hbq_init lpfc_extra_hbq = { |
629 | .rn = 1, | |
630 | .entry_count = 200, | |
631 | .mask_count = 0, | |
632 | .profile = 0, | |
633 | .ring_mask = (1 << LPFC_EXTRA_RING), | |
634 | .buffer_count = 0, | |
635 | .init_count = 0, | |
636 | .add_count = 5, | |
637 | }; | |
638 | ||
78b2d852 | 639 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 | 640 | &lpfc_els_hbq, |
51ef4c26 | 641 | &lpfc_extra_hbq, |
92d7f7b0 | 642 | }; |
ed957684 | 643 | |
311464ec | 644 | static int |
92d7f7b0 | 645 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 646 | { |
92d7f7b0 | 647 | uint32_t i, start, end; |
3163f725 | 648 | unsigned long flags; |
92d7f7b0 | 649 | struct hbq_dmabuf *hbq_buffer; |
ed957684 | 650 | |
eafe1df9 | 651 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 652 | return 0; |
51ef4c26 | 653 | |
a8adb832 JS |
654 | start = phba->hbqs[hbqno].buffer_count; |
655 | end = count + start; | |
eafe1df9 | 656 | if (end > lpfc_hbq_defs[hbqno]->entry_count) |
92d7f7b0 | 657 | end = lpfc_hbq_defs[hbqno]->entry_count; |
ed957684 | 658 | |
3163f725 JS |
659 | /* Check whether HBQ is still in use */ |
660 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 MW |
661 | if (!phba->hbq_in_use) |
662 | goto out; | |
3163f725 | 663 | |
ed957684 | 664 | /* Populate HBQ entries */ |
92d7f7b0 | 665 | for (i = start; i < end; i++) { |
51ef4c26 | 666 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); |
92d7f7b0 | 667 | if (!hbq_buffer) |
eafe1df9 | 668 | goto err; |
92d7f7b0 | 669 | hbq_buffer->tag = (i | (hbqno << 16)); |
51ef4c26 | 670 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
a8adb832 | 671 | phba->hbqs[hbqno].buffer_count++; |
51ef4c26 JS |
672 | else |
673 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
ed957684 | 674 | } |
3163f725 | 675 | |
eafe1df9 | 676 | out: |
3163f725 | 677 | spin_unlock_irqrestore(&phba->hbalock, flags); |
ed957684 | 678 | return 0; |
eafe1df9 MW |
679 | err: |
680 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
681 | return 1; | |
ed957684 JS |
682 | } |
683 | ||
92d7f7b0 JS |
684 | int |
685 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 686 | { |
92d7f7b0 JS |
687 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, |
688 | lpfc_hbq_defs[qno]->add_count)); | |
689 | } | |
ed957684 | 690 | |
a6ababd2 | 691 | static int |
92d7f7b0 JS |
692 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
693 | { | |
694 | return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
695 | lpfc_hbq_defs[qno]->init_count)); | |
ed957684 JS |
696 | } |
697 | ||
a6ababd2 | 698 | static struct hbq_dmabuf * |
92d7f7b0 | 699 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 700 | { |
92d7f7b0 JS |
701 | struct lpfc_dmabuf *d_buf; |
702 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
703 | uint32_t hbqno; |
704 | ||
705 | hbqno = tag >> 16; | |
a0a74e45 | 706 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 707 | return NULL; |
ed957684 | 708 | |
51ef4c26 | 709 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 710 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 711 | if (hbq_buf->tag == tag) { |
92d7f7b0 | 712 | return hbq_buf; |
ed957684 JS |
713 | } |
714 | } | |
92d7f7b0 | 715 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 716 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 717 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 718 | return NULL; |
ed957684 JS |
719 | } |
720 | ||
721 | void | |
51ef4c26 | 722 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
723 | { |
724 | uint32_t hbqno; | |
725 | ||
51ef4c26 JS |
726 | if (hbq_buffer) { |
727 | hbqno = hbq_buffer->tag >> 16; | |
728 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { | |
729 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
730 | } | |
ed957684 JS |
731 | } |
732 | } | |
733 | ||
dea3101e JB |
734 | static int |
735 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
736 | { | |
737 | uint8_t ret; | |
738 | ||
739 | switch (mbxCommand) { | |
740 | case MBX_LOAD_SM: | |
741 | case MBX_READ_NV: | |
742 | case MBX_WRITE_NV: | |
a8adb832 | 743 | case MBX_WRITE_VPARMS: |
dea3101e JB |
744 | case MBX_RUN_BIU_DIAG: |
745 | case MBX_INIT_LINK: | |
746 | case MBX_DOWN_LINK: | |
747 | case MBX_CONFIG_LINK: | |
748 | case MBX_CONFIG_RING: | |
749 | case MBX_RESET_RING: | |
750 | case MBX_READ_CONFIG: | |
751 | case MBX_READ_RCONFIG: | |
752 | case MBX_READ_SPARM: | |
753 | case MBX_READ_STATUS: | |
754 | case MBX_READ_RPI: | |
755 | case MBX_READ_XRI: | |
756 | case MBX_READ_REV: | |
757 | case MBX_READ_LNK_STAT: | |
758 | case MBX_REG_LOGIN: | |
759 | case MBX_UNREG_LOGIN: | |
760 | case MBX_READ_LA: | |
761 | case MBX_CLEAR_LA: | |
762 | case MBX_DUMP_MEMORY: | |
763 | case MBX_DUMP_CONTEXT: | |
764 | case MBX_RUN_DIAGS: | |
765 | case MBX_RESTART: | |
766 | case MBX_UPDATE_CFG: | |
767 | case MBX_DOWN_LOAD: | |
768 | case MBX_DEL_LD_ENTRY: | |
769 | case MBX_RUN_PROGRAM: | |
770 | case MBX_SET_MASK: | |
09372820 | 771 | case MBX_SET_VARIABLE: |
dea3101e | 772 | case MBX_UNREG_D_ID: |
41415862 | 773 | case MBX_KILL_BOARD: |
dea3101e | 774 | case MBX_CONFIG_FARP: |
41415862 | 775 | case MBX_BEACON: |
dea3101e JB |
776 | case MBX_LOAD_AREA: |
777 | case MBX_RUN_BIU_DIAG64: | |
778 | case MBX_CONFIG_PORT: | |
779 | case MBX_READ_SPARM64: | |
780 | case MBX_READ_RPI64: | |
781 | case MBX_REG_LOGIN64: | |
782 | case MBX_READ_LA64: | |
09372820 | 783 | case MBX_WRITE_WWN: |
dea3101e JB |
784 | case MBX_SET_DEBUG: |
785 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 786 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
787 | case MBX_REG_VPI: |
788 | case MBX_UNREG_VPI: | |
858c9f6c | 789 | case MBX_HEARTBEAT: |
dea3101e JB |
790 | ret = mbxCommand; |
791 | break; | |
792 | default: | |
793 | ret = MBX_SHUTDOWN; | |
794 | break; | |
795 | } | |
2e0fef85 | 796 | return ret; |
dea3101e JB |
797 | } |
798 | static void | |
2e0fef85 | 799 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e JB |
800 | { |
801 | wait_queue_head_t *pdone_q; | |
858c9f6c | 802 | unsigned long drvr_flag; |
dea3101e JB |
803 | |
804 | /* | |
805 | * If pdone_q is empty, the driver thread gave up waiting and | |
806 | * continued running. | |
807 | */ | |
7054a606 | 808 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 809 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e JB |
810 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
811 | if (pdone_q) | |
812 | wake_up_interruptible(pdone_q); | |
858c9f6c | 813 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
814 | return; |
815 | } | |
816 | ||
817 | void | |
2e0fef85 | 818 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e JB |
819 | { |
820 | struct lpfc_dmabuf *mp; | |
7054a606 JS |
821 | uint16_t rpi; |
822 | int rc; | |
823 | ||
dea3101e | 824 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 825 | |
dea3101e JB |
826 | if (mp) { |
827 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
828 | kfree(mp); | |
829 | } | |
7054a606 JS |
830 | |
831 | /* | |
832 | * If a REG_LOGIN succeeded after node is destroyed or node | |
833 | * is in re-discovery driver need to cleanup the RPI. | |
834 | */ | |
2e0fef85 JS |
835 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
836 | pmb->mb.mbxCommand == MBX_REG_LOGIN64 && | |
837 | !pmb->mb.mbxStatus) { | |
7054a606 JS |
838 | |
839 | rpi = pmb->mb.un.varWords[0]; | |
92d7f7b0 JS |
840 | lpfc_unreg_login(phba, pmb->mb.un.varRegLogin.vpi, rpi, pmb); |
841 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
7054a606 JS |
842 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
843 | if (rc != MBX_NOT_FINISHED) | |
844 | return; | |
845 | } | |
846 | ||
2e0fef85 | 847 | mempool_free(pmb, phba->mbox_mem_pool); |
dea3101e JB |
848 | return; |
849 | } | |
850 | ||
851 | int | |
2e0fef85 | 852 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 853 | { |
92d7f7b0 | 854 | MAILBOX_t *pmbox; |
dea3101e | 855 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
856 | int rc; |
857 | LIST_HEAD(cmplq); | |
dea3101e JB |
858 | |
859 | phba->sli.slistat.mbox_event++; | |
860 | ||
92d7f7b0 JS |
861 | /* Get all completed mailboxe buffers into the cmplq */ |
862 | spin_lock_irq(&phba->hbalock); | |
863 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
864 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 865 | |
92d7f7b0 JS |
866 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
867 | do { | |
868 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
869 | if (pmb == NULL) | |
870 | break; | |
2e0fef85 | 871 | |
92d7f7b0 | 872 | pmbox = &pmb->mb; |
dea3101e | 873 | |
858c9f6c JS |
874 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
875 | if (pmb->vport) { | |
876 | lpfc_debugfs_disc_trc(pmb->vport, | |
877 | LPFC_DISC_TRC_MBOX_VPORT, | |
878 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
879 | (uint32_t)pmbox->mbxCommand, | |
880 | pmbox->un.varWords[0], | |
881 | pmbox->un.varWords[1]); | |
882 | } | |
883 | else { | |
884 | lpfc_debugfs_disc_trc(phba->pport, | |
885 | LPFC_DISC_TRC_MBOX, | |
886 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
887 | (uint32_t)pmbox->mbxCommand, | |
888 | pmbox->un.varWords[0], | |
889 | pmbox->un.varWords[1]); | |
890 | } | |
891 | } | |
892 | ||
dea3101e JB |
893 | /* |
894 | * It is a fatal error if unknown mbox command completion. | |
895 | */ | |
896 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
897 | MBX_SHUTDOWN) { | |
dea3101e | 898 | /* Unknow mailbox command compl */ |
92d7f7b0 | 899 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 900 | "(%d):0323 Unknown Mailbox command " |
92d7f7b0 | 901 | "%x Cmpl\n", |
92d7f7b0 JS |
902 | pmb->vport ? pmb->vport->vpi : 0, |
903 | pmbox->mbxCommand); | |
2e0fef85 | 904 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
905 | phba->work_hs = HS_FFER3; |
906 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 907 | continue; |
dea3101e JB |
908 | } |
909 | ||
dea3101e JB |
910 | if (pmbox->mbxStatus) { |
911 | phba->sli.slistat.mbox_stat_err++; | |
912 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
913 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 JS |
914 | lpfc_printf_log(phba, KERN_INFO, |
915 | LOG_MBOX | LOG_SLI, | |
e8b62011 | 916 | "(%d):0305 Mbox cmd cmpl " |
92d7f7b0 JS |
917 | "error - RETRYing Data: x%x " |
918 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
919 | pmb->vport ? pmb->vport->vpi :0, |
920 | pmbox->mbxCommand, | |
921 | pmbox->mbxStatus, | |
922 | pmbox->un.varWords[0], | |
923 | pmb->vport->port_state); | |
dea3101e JB |
924 | pmbox->mbxStatus = 0; |
925 | pmbox->mbxOwner = OWN_HOST; | |
2e0fef85 | 926 | spin_lock_irq(&phba->hbalock); |
dea3101e | 927 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 928 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
929 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
930 | if (rc == MBX_SUCCESS) | |
92d7f7b0 | 931 | continue; |
dea3101e JB |
932 | } |
933 | } | |
934 | ||
935 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 936 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 937 | "(%d):0307 Mailbox cmd x%x Cmpl x%p " |
dea3101e | 938 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n", |
92d7f7b0 | 939 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e JB |
940 | pmbox->mbxCommand, |
941 | pmb->mbox_cmpl, | |
942 | *((uint32_t *) pmbox), | |
943 | pmbox->un.varWords[0], | |
944 | pmbox->un.varWords[1], | |
945 | pmbox->un.varWords[2], | |
946 | pmbox->un.varWords[3], | |
947 | pmbox->un.varWords[4], | |
948 | pmbox->un.varWords[5], | |
949 | pmbox->un.varWords[6], | |
950 | pmbox->un.varWords[7]); | |
951 | ||
92d7f7b0 | 952 | if (pmb->mbox_cmpl) |
dea3101e | 953 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
954 | } while (1); |
955 | return 0; | |
956 | } | |
dea3101e | 957 | |
92d7f7b0 JS |
958 | static struct lpfc_dmabuf * |
959 | lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) | |
960 | { | |
961 | struct hbq_dmabuf *hbq_entry, *new_hbq_entry; | |
51ef4c26 JS |
962 | uint32_t hbqno; |
963 | void *virt; /* virtual address ptr */ | |
964 | dma_addr_t phys; /* mapped address */ | |
3163f725 JS |
965 | unsigned long flags; |
966 | ||
967 | /* Check whether HBQ is still in use */ | |
968 | spin_lock_irqsave(&phba->hbalock, flags); | |
969 | if (!phba->hbq_in_use) { | |
970 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
971 | return NULL; | |
972 | } | |
dea3101e | 973 | |
92d7f7b0 | 974 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
3163f725 JS |
975 | if (hbq_entry == NULL) { |
976 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
92d7f7b0 | 977 | return NULL; |
3163f725 | 978 | } |
92d7f7b0 | 979 | list_del(&hbq_entry->dbuf.list); |
51ef4c26 JS |
980 | |
981 | hbqno = tag >> 16; | |
982 | new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
3163f725 JS |
983 | if (new_hbq_entry == NULL) { |
984 | list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list); | |
985 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
92d7f7b0 | 986 | return &hbq_entry->dbuf; |
3163f725 | 987 | } |
92d7f7b0 | 988 | new_hbq_entry->tag = -1; |
51ef4c26 JS |
989 | phys = new_hbq_entry->dbuf.phys; |
990 | virt = new_hbq_entry->dbuf.virt; | |
991 | new_hbq_entry->dbuf.phys = hbq_entry->dbuf.phys; | |
992 | new_hbq_entry->dbuf.virt = hbq_entry->dbuf.virt; | |
993 | hbq_entry->dbuf.phys = phys; | |
994 | hbq_entry->dbuf.virt = virt; | |
92d7f7b0 | 995 | lpfc_sli_free_hbq(phba, hbq_entry); |
3163f725 JS |
996 | list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list); |
997 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
998 | ||
92d7f7b0 | 999 | return &new_hbq_entry->dbuf; |
dea3101e | 1000 | } |
92d7f7b0 | 1001 | |
76bb24ef JS |
1002 | static struct lpfc_dmabuf * |
1003 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
1004 | struct lpfc_sli_ring *pring, | |
1005 | uint32_t tag) | |
1006 | { | |
1007 | if (tag & QUE_BUFTAG_BIT) | |
1008 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
1009 | else | |
1010 | return lpfc_sli_replace_hbqbuff(phba, tag); | |
1011 | } | |
57127f15 | 1012 | |
dea3101e JB |
1013 | static int |
1014 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1015 | struct lpfc_iocbq *saveq) | |
1016 | { | |
1017 | IOCB_t * irsp; | |
1018 | WORD5 * w5p; | |
1019 | uint32_t Rctl, Type; | |
1020 | uint32_t match, i; | |
76bb24ef | 1021 | struct lpfc_iocbq *iocbq; |
3163f725 | 1022 | struct lpfc_dmabuf *dmzbuf; |
dea3101e JB |
1023 | |
1024 | match = 0; | |
1025 | irsp = &(saveq->iocb); | |
57127f15 | 1026 | |
9c2face6 JS |
1027 | if (irsp->ulpStatus == IOSTAT_NEED_BUFFER) |
1028 | return 1; | |
57127f15 JS |
1029 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { |
1030 | if (pring->lpfc_sli_rcv_async_status) | |
1031 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
1032 | else | |
1033 | lpfc_printf_log(phba, | |
1034 | KERN_WARNING, | |
1035 | LOG_SLI, | |
1036 | "0316 Ring %d handler: unexpected " | |
1037 | "ASYNC_STATUS iocb received evt_code " | |
1038 | "0x%x\n", | |
1039 | pring->ringno, | |
1040 | irsp->un.asyncstat.evt_code); | |
1041 | return 1; | |
1042 | } | |
1043 | ||
3163f725 JS |
1044 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
1045 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
1046 | if (irsp->ulpBdeCount > 0) { | |
1047 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
1048 | irsp->un.ulpWord[3]); | |
1049 | lpfc_in_buf_free(phba, dmzbuf); | |
1050 | } | |
1051 | ||
1052 | if (irsp->ulpBdeCount > 1) { | |
1053 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
1054 | irsp->unsli3.sli3Words[3]); | |
1055 | lpfc_in_buf_free(phba, dmzbuf); | |
1056 | } | |
1057 | ||
1058 | if (irsp->ulpBdeCount > 2) { | |
1059 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
1060 | irsp->unsli3.sli3Words[7]); | |
1061 | lpfc_in_buf_free(phba, dmzbuf); | |
1062 | } | |
1063 | ||
1064 | return 1; | |
1065 | } | |
1066 | ||
92d7f7b0 | 1067 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
1068 | if (irsp->ulpBdeCount != 0) { |
1069 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
1070 | irsp->un.ulpWord[3]); | |
1071 | if (!saveq->context2) | |
1072 | lpfc_printf_log(phba, | |
1073 | KERN_ERR, | |
1074 | LOG_SLI, | |
1075 | "0341 Ring %d Cannot find buffer for " | |
1076 | "an unsolicited iocb. tag 0x%x\n", | |
1077 | pring->ringno, | |
1078 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
1079 | } |
1080 | if (irsp->ulpBdeCount == 2) { | |
1081 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
1082 | irsp->unsli3.sli3Words[7]); | |
1083 | if (!saveq->context3) | |
1084 | lpfc_printf_log(phba, | |
1085 | KERN_ERR, | |
1086 | LOG_SLI, | |
1087 | "0342 Ring %d Cannot find buffer for an" | |
1088 | " unsolicited iocb. tag 0x%x\n", | |
1089 | pring->ringno, | |
1090 | irsp->unsli3.sli3Words[7]); | |
1091 | } | |
1092 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 1093 | irsp = &(iocbq->iocb); |
76bb24ef JS |
1094 | if (irsp->ulpBdeCount != 0) { |
1095 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
1096 | irsp->un.ulpWord[3]); | |
9c2face6 | 1097 | if (!iocbq->context2) |
76bb24ef JS |
1098 | lpfc_printf_log(phba, |
1099 | KERN_ERR, | |
1100 | LOG_SLI, | |
1101 | "0343 Ring %d Cannot find " | |
1102 | "buffer for an unsolicited iocb" | |
1103 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 1104 | irsp->un.ulpWord[3]); |
76bb24ef JS |
1105 | } |
1106 | if (irsp->ulpBdeCount == 2) { | |
1107 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 1108 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 1109 | if (!iocbq->context3) |
76bb24ef JS |
1110 | lpfc_printf_log(phba, |
1111 | KERN_ERR, | |
1112 | LOG_SLI, | |
1113 | "0344 Ring %d Cannot find " | |
1114 | "buffer for an unsolicited " | |
1115 | "iocb. tag 0x%x\n", | |
1116 | pring->ringno, | |
1117 | irsp->unsli3.sli3Words[7]); | |
1118 | } | |
1119 | } | |
92d7f7b0 | 1120 | } |
9c2face6 JS |
1121 | if (irsp->ulpBdeCount != 0 && |
1122 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
1123 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
1124 | int found = 0; | |
1125 | ||
1126 | /* search continue save q for same XRI */ | |
1127 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
1128 | if (iocbq->iocb.ulpContext == saveq->iocb.ulpContext) { | |
1129 | list_add_tail(&saveq->list, &iocbq->list); | |
1130 | found = 1; | |
1131 | break; | |
1132 | } | |
1133 | } | |
1134 | if (!found) | |
1135 | list_add_tail(&saveq->clist, | |
1136 | &pring->iocb_continue_saveq); | |
1137 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
1138 | list_del_init(&iocbq->clist); | |
1139 | saveq = iocbq; | |
1140 | irsp = &(saveq->iocb); | |
1141 | } else | |
1142 | return 0; | |
1143 | } | |
1144 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
1145 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
1146 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
1147 | Rctl = FC_ELS_REQ; | |
1148 | Type = FC_ELS_DATA; | |
1149 | } else { | |
1150 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
1151 | Rctl = w5p->hcsw.Rctl; | |
1152 | Type = w5p->hcsw.Type; | |
1153 | ||
1154 | /* Firmware Workaround */ | |
1155 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
1156 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
1157 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
1158 | Rctl = FC_ELS_REQ; | |
1159 | Type = FC_ELS_DATA; | |
1160 | w5p->hcsw.Rctl = Rctl; | |
1161 | w5p->hcsw.Type = Type; | |
1162 | } | |
1163 | } | |
92d7f7b0 | 1164 | |
dea3101e JB |
1165 | /* unSolicited Responses */ |
1166 | if (pring->prt[0].profile) { | |
cf5bf97e JW |
1167 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) |
1168 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
1169 | saveq); | |
dea3101e JB |
1170 | match = 1; |
1171 | } else { | |
1172 | /* We must search, based on rctl / type | |
1173 | for the right routine */ | |
9c2face6 JS |
1174 | for (i = 0; i < pring->num_mask; i++) { |
1175 | if ((pring->prt[i].rctl == Rctl) | |
1176 | && (pring->prt[i].type == Type)) { | |
cf5bf97e JW |
1177 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) |
1178 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
1179 | (phba, pring, saveq); | |
dea3101e JB |
1180 | match = 1; |
1181 | break; | |
1182 | } | |
1183 | } | |
1184 | } | |
1185 | if (match == 0) { | |
1186 | /* Unexpected Rctl / Type received */ | |
1187 | /* Ring <ringno> handler: unexpected | |
1188 | Rctl <Rctl> Type <Type> received */ | |
92d7f7b0 | 1189 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 1190 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 1191 | "Type x%x received\n", |
e8b62011 | 1192 | pring->ringno, Rctl, Type); |
dea3101e | 1193 | } |
92d7f7b0 | 1194 | return 1; |
dea3101e JB |
1195 | } |
1196 | ||
1197 | static struct lpfc_iocbq * | |
2e0fef85 JS |
1198 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
1199 | struct lpfc_sli_ring *pring, | |
1200 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 1201 | { |
dea3101e JB |
1202 | struct lpfc_iocbq *cmd_iocb = NULL; |
1203 | uint16_t iotag; | |
1204 | ||
604a3e30 JB |
1205 | iotag = prspiocb->iocb.ulpIoTag; |
1206 | ||
1207 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
1208 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
92d7f7b0 | 1209 | list_del_init(&cmd_iocb->list); |
604a3e30 JB |
1210 | pring->txcmplq_cnt--; |
1211 | return cmd_iocb; | |
dea3101e JB |
1212 | } |
1213 | ||
dea3101e | 1214 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1215 | "0317 iotag x%x is out off " |
604a3e30 | 1216 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 1217 | iotag, phba->sli.last_iotag, |
604a3e30 | 1218 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
1219 | return NULL; |
1220 | } | |
1221 | ||
1222 | static int | |
2e0fef85 | 1223 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
1224 | struct lpfc_iocbq *saveq) |
1225 | { | |
2e0fef85 | 1226 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
1227 | int rc = 1; |
1228 | unsigned long iflag; | |
1229 | ||
1230 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
2e0fef85 | 1231 | spin_lock_irqsave(&phba->hbalock, iflag); |
604a3e30 | 1232 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
2e0fef85 JS |
1233 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
1234 | ||
dea3101e JB |
1235 | if (cmdiocbp) { |
1236 | if (cmdiocbp->iocb_cmpl) { | |
1237 | /* | |
1238 | * Post all ELS completions to the worker thread. | |
1239 | * All other are passed to the completion callback. | |
1240 | */ | |
1241 | if (pring->ringno == LPFC_ELS_RING) { | |
07951076 JS |
1242 | if (cmdiocbp->iocb_flag & LPFC_DRIVER_ABORTED) { |
1243 | cmdiocbp->iocb_flag &= | |
1244 | ~LPFC_DRIVER_ABORTED; | |
1245 | saveq->iocb.ulpStatus = | |
1246 | IOSTAT_LOCAL_REJECT; | |
1247 | saveq->iocb.un.ulpWord[4] = | |
1248 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
1249 | |
1250 | /* Firmware could still be in progress | |
1251 | * of DMAing payload, so don't free data | |
1252 | * buffer till after a hbeat. | |
1253 | */ | |
1254 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; | |
07951076 | 1255 | } |
dea3101e | 1256 | } |
2e0fef85 | 1257 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
1258 | } else |
1259 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
1260 | } else { |
1261 | /* | |
1262 | * Unknown initiating command based on the response iotag. | |
1263 | * This could be the case on the ELS ring because of | |
1264 | * lpfc_els_abort(). | |
1265 | */ | |
1266 | if (pring->ringno != LPFC_ELS_RING) { | |
1267 | /* | |
1268 | * Ring <ringno> handler: unexpected completion IoTag | |
1269 | * <IoTag> | |
1270 | */ | |
e8b62011 JS |
1271 | lpfc_printf_vlog(cmdiocbp->vport, KERN_WARNING, LOG_SLI, |
1272 | "0322 Ring %d handler: " | |
1273 | "unexpected completion IoTag x%x " | |
1274 | "Data: x%x x%x x%x x%x\n", | |
1275 | pring->ringno, | |
1276 | saveq->iocb.ulpIoTag, | |
1277 | saveq->iocb.ulpStatus, | |
1278 | saveq->iocb.un.ulpWord[4], | |
1279 | saveq->iocb.ulpCommand, | |
1280 | saveq->iocb.ulpContext); | |
dea3101e JB |
1281 | } |
1282 | } | |
68876920 | 1283 | |
dea3101e JB |
1284 | return rc; |
1285 | } | |
1286 | ||
2e0fef85 JS |
1287 | static void |
1288 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 1289 | { |
ed957684 JS |
1290 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1291 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1292 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
875fbdfe JSEC |
1293 | /* |
1294 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
1295 | * rsp ring <portRspMax> | |
1296 | */ | |
1297 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1298 | "0312 Ring %d handler: portRspPut %d " |
875fbdfe | 1299 | "is bigger then rsp ring %d\n", |
e8b62011 | 1300 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
875fbdfe JSEC |
1301 | pring->numRiocb); |
1302 | ||
2e0fef85 | 1303 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
1304 | |
1305 | /* | |
1306 | * All error attention handlers are posted to | |
1307 | * worker thread | |
1308 | */ | |
1309 | phba->work_ha |= HA_ERATT; | |
1310 | phba->work_hs = HS_FFER3; | |
92d7f7b0 JS |
1311 | |
1312 | /* hbalock should already be held */ | |
875fbdfe | 1313 | if (phba->work_wait) |
92d7f7b0 | 1314 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
1315 | |
1316 | return; | |
1317 | } | |
1318 | ||
2e0fef85 | 1319 | void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba) |
875fbdfe | 1320 | { |
2e0fef85 JS |
1321 | struct lpfc_sli *psli = &phba->sli; |
1322 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_FCP_RING]; | |
875fbdfe JSEC |
1323 | IOCB_t *irsp = NULL; |
1324 | IOCB_t *entry = NULL; | |
1325 | struct lpfc_iocbq *cmdiocbq = NULL; | |
1326 | struct lpfc_iocbq rspiocbq; | |
1327 | struct lpfc_pgp *pgp; | |
1328 | uint32_t status; | |
1329 | uint32_t portRspPut, portRspMax; | |
1330 | int type; | |
1331 | uint32_t rsp_cmpl = 0; | |
875fbdfe | 1332 | uint32_t ha_copy; |
2e0fef85 | 1333 | unsigned long iflags; |
875fbdfe JSEC |
1334 | |
1335 | pring->stats.iocb_event++; | |
1336 | ||
ed957684 JS |
1337 | pgp = (phba->sli_rev == 3) ? |
1338 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1339 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
1340 | ||
875fbdfe JSEC |
1341 | |
1342 | /* | |
1343 | * The next available response entry should never exceed the maximum | |
1344 | * entries. If it does, treat it as an adapter hardware error. | |
1345 | */ | |
1346 | portRspMax = pring->numRiocb; | |
1347 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1348 | if (unlikely(portRspPut >= portRspMax)) { | |
1349 | lpfc_sli_rsp_pointers_error(phba, pring); | |
1350 | return; | |
1351 | } | |
1352 | ||
1353 | rmb(); | |
1354 | while (pring->rspidx != portRspPut) { | |
ed957684 | 1355 | entry = lpfc_resp_iocb(phba, pring); |
875fbdfe JSEC |
1356 | if (++pring->rspidx >= portRspMax) |
1357 | pring->rspidx = 0; | |
1358 | ||
1359 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, | |
1360 | (uint32_t *) &rspiocbq.iocb, | |
92d7f7b0 | 1361 | phba->iocb_rsp_size); |
875fbdfe JSEC |
1362 | irsp = &rspiocbq.iocb; |
1363 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); | |
1364 | pring->stats.iocb_rsp++; | |
1365 | rsp_cmpl++; | |
1366 | ||
1367 | if (unlikely(irsp->ulpStatus)) { | |
1368 | /* Rsp ring <ringno> error: IOCB */ | |
1369 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 1370 | "0326 Rsp Ring %d error: IOCB Data: " |
875fbdfe | 1371 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 1372 | pring->ringno, |
875fbdfe JSEC |
1373 | irsp->un.ulpWord[0], |
1374 | irsp->un.ulpWord[1], | |
1375 | irsp->un.ulpWord[2], | |
1376 | irsp->un.ulpWord[3], | |
1377 | irsp->un.ulpWord[4], | |
1378 | irsp->un.ulpWord[5], | |
1379 | *(((uint32_t *) irsp) + 6), | |
1380 | *(((uint32_t *) irsp) + 7)); | |
1381 | } | |
1382 | ||
1383 | switch (type) { | |
1384 | case LPFC_ABORT_IOCB: | |
1385 | case LPFC_SOL_IOCB: | |
1386 | /* | |
1387 | * Idle exchange closed via ABTS from port. No iocb | |
1388 | * resources need to be recovered. | |
1389 | */ | |
1390 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 1391 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
1392 | "0314 IOCB cmd 0x%x " |
1393 | "processed. Skipping " | |
1394 | "completion", | |
dca9479b | 1395 | irsp->ulpCommand); |
875fbdfe JSEC |
1396 | break; |
1397 | } | |
1398 | ||
2e0fef85 | 1399 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1400 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
1401 | &rspiocbq); | |
2e0fef85 | 1402 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1403 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
1404 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1405 | &rspiocbq); | |
1406 | } | |
1407 | break; | |
1408 | default: | |
1409 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1410 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1411 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1412 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1413 | MAX_MSG_DATA); | |
898eb71c JP |
1414 | dev_warn(&((phba->pcidev)->dev), |
1415 | "lpfc%d: %s\n", | |
875fbdfe JSEC |
1416 | phba->brd_no, adaptermsg); |
1417 | } else { | |
1418 | /* Unknown IOCB command */ | |
1419 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1420 | "0321 Unknown IOCB command " |
875fbdfe | 1421 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 1422 | type, irsp->ulpCommand, |
875fbdfe JSEC |
1423 | irsp->ulpStatus, |
1424 | irsp->ulpIoTag, | |
1425 | irsp->ulpContext); | |
1426 | } | |
1427 | break; | |
1428 | } | |
1429 | ||
1430 | /* | |
1431 | * The response IOCB has been processed. Update the ring | |
1432 | * pointer in SLIM. If the port response put pointer has not | |
1433 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1434 | * response put pointer. | |
1435 | */ | |
ed957684 | 1436 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
875fbdfe JSEC |
1437 | |
1438 | if (pring->rspidx == portRspPut) | |
1439 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1440 | } | |
1441 | ||
1442 | ha_copy = readl(phba->HAregaddr); | |
1443 | ha_copy >>= (LPFC_FCP_RING * 4); | |
1444 | ||
1445 | if ((rsp_cmpl > 0) && (ha_copy & HA_R0RE_REQ)) { | |
2e0fef85 | 1446 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1447 | pring->stats.iocb_rsp_full++; |
1448 | status = ((CA_R0ATT | CA_R0RE_RSP) << (LPFC_FCP_RING * 4)); | |
1449 | writel(status, phba->CAregaddr); | |
1450 | readl(phba->CAregaddr); | |
2e0fef85 | 1451 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1452 | } |
1453 | if ((ha_copy & HA_R0CE_RSP) && | |
1454 | (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
2e0fef85 | 1455 | spin_lock_irqsave(&phba->hbalock, iflags); |
875fbdfe JSEC |
1456 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; |
1457 | pring->stats.iocb_cmd_empty++; | |
1458 | ||
1459 | /* Force update of the local copy of cmdGetInx */ | |
1460 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1461 | lpfc_sli_resume_iocb(phba, pring); | |
1462 | ||
1463 | if ((pring->lpfc_sli_cmd_available)) | |
1464 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1465 | ||
2e0fef85 | 1466 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
875fbdfe JSEC |
1467 | } |
1468 | ||
1469 | return; | |
1470 | } | |
1471 | ||
dea3101e JB |
1472 | /* |
1473 | * This routine presumes LPFC_FCP_RING handling and doesn't bother | |
1474 | * to check it explicitly. | |
1475 | */ | |
1476 | static int | |
2e0fef85 JS |
1477 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
1478 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 1479 | { |
ed957684 JS |
1480 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1481 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1482 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e | 1483 | IOCB_t *irsp = NULL; |
87f6eaff | 1484 | IOCB_t *entry = NULL; |
dea3101e JB |
1485 | struct lpfc_iocbq *cmdiocbq = NULL; |
1486 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
1487 | uint32_t status; |
1488 | uint32_t portRspPut, portRspMax; | |
1489 | int rc = 1; | |
1490 | lpfc_iocb_type type; | |
1491 | unsigned long iflag; | |
1492 | uint32_t rsp_cmpl = 0; | |
dea3101e | 1493 | |
2e0fef85 | 1494 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
1495 | pring->stats.iocb_event++; |
1496 | ||
dea3101e JB |
1497 | /* |
1498 | * The next available response entry should never exceed the maximum | |
1499 | * entries. If it does, treat it as an adapter hardware error. | |
1500 | */ | |
1501 | portRspMax = pring->numRiocb; | |
1502 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1503 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 1504 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 1505 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
1506 | return 1; |
1507 | } | |
1508 | ||
1509 | rmb(); | |
1510 | while (pring->rspidx != portRspPut) { | |
87f6eaff JSEC |
1511 | /* |
1512 | * Fetch an entry off the ring and copy it into a local data | |
1513 | * structure. The copy involves a byte-swap since the | |
1514 | * network byte order and pci byte orders are different. | |
1515 | */ | |
ed957684 | 1516 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 1517 | phba->last_completion_time = jiffies; |
875fbdfe JSEC |
1518 | |
1519 | if (++pring->rspidx >= portRspMax) | |
1520 | pring->rspidx = 0; | |
1521 | ||
87f6eaff JSEC |
1522 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
1523 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 1524 | phba->iocb_rsp_size); |
a4bc3379 | 1525 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
1526 | irsp = &rspiocbq.iocb; |
1527 | ||
dea3101e JB |
1528 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
1529 | pring->stats.iocb_rsp++; | |
1530 | rsp_cmpl++; | |
1531 | ||
1532 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
1533 | /* |
1534 | * If resource errors reported from HBA, reduce | |
1535 | * queuedepths of the SCSI device. | |
1536 | */ | |
1537 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1538 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
1539 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1540 | lpfc_adjust_queue_depth(phba); | |
1541 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1542 | } | |
1543 | ||
dea3101e JB |
1544 | /* Rsp ring <ringno> error: IOCB */ |
1545 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 1546 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 1547 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 1548 | pring->ringno, |
92d7f7b0 JS |
1549 | irsp->un.ulpWord[0], |
1550 | irsp->un.ulpWord[1], | |
1551 | irsp->un.ulpWord[2], | |
1552 | irsp->un.ulpWord[3], | |
1553 | irsp->un.ulpWord[4], | |
1554 | irsp->un.ulpWord[5], | |
1555 | *(((uint32_t *) irsp) + 6), | |
1556 | *(((uint32_t *) irsp) + 7)); | |
dea3101e JB |
1557 | } |
1558 | ||
1559 | switch (type) { | |
1560 | case LPFC_ABORT_IOCB: | |
1561 | case LPFC_SOL_IOCB: | |
1562 | /* | |
1563 | * Idle exchange closed via ABTS from port. No iocb | |
1564 | * resources need to be recovered. | |
1565 | */ | |
1566 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 1567 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 1568 | "0333 IOCB cmd 0x%x" |
dca9479b | 1569 | " processed. Skipping" |
92d7f7b0 | 1570 | " completion\n", |
dca9479b | 1571 | irsp->ulpCommand); |
dea3101e JB |
1572 | break; |
1573 | } | |
1574 | ||
604a3e30 JB |
1575 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
1576 | &rspiocbq); | |
dea3101e | 1577 | if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { |
b808608b JW |
1578 | if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { |
1579 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
1580 | &rspiocbq); | |
1581 | } else { | |
2e0fef85 JS |
1582 | spin_unlock_irqrestore(&phba->hbalock, |
1583 | iflag); | |
b808608b JW |
1584 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, |
1585 | &rspiocbq); | |
2e0fef85 | 1586 | spin_lock_irqsave(&phba->hbalock, |
b808608b JW |
1587 | iflag); |
1588 | } | |
dea3101e JB |
1589 | } |
1590 | break; | |
a4bc3379 | 1591 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 1592 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 1593 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 1594 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 1595 | break; |
dea3101e JB |
1596 | default: |
1597 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1598 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1599 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
1600 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1601 | MAX_MSG_DATA); | |
898eb71c JP |
1602 | dev_warn(&((phba->pcidev)->dev), |
1603 | "lpfc%d: %s\n", | |
dea3101e JB |
1604 | phba->brd_no, adaptermsg); |
1605 | } else { | |
1606 | /* Unknown IOCB command */ | |
1607 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 1608 | "0334 Unknown IOCB command " |
92d7f7b0 | 1609 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 1610 | type, irsp->ulpCommand, |
92d7f7b0 JS |
1611 | irsp->ulpStatus, |
1612 | irsp->ulpIoTag, | |
1613 | irsp->ulpContext); | |
dea3101e JB |
1614 | } |
1615 | break; | |
1616 | } | |
1617 | ||
1618 | /* | |
1619 | * The response IOCB has been processed. Update the ring | |
1620 | * pointer in SLIM. If the port response put pointer has not | |
1621 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
1622 | * response put pointer. | |
1623 | */ | |
ed957684 | 1624 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e JB |
1625 | |
1626 | if (pring->rspidx == portRspPut) | |
1627 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1628 | } | |
1629 | ||
1630 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
1631 | pring->stats.iocb_rsp_full++; | |
1632 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1633 | writel(status, phba->CAregaddr); | |
1634 | readl(phba->CAregaddr); | |
1635 | } | |
1636 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1637 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1638 | pring->stats.iocb_cmd_empty++; | |
1639 | ||
1640 | /* Force update of the local copy of cmdGetInx */ | |
1641 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1642 | lpfc_sli_resume_iocb(phba, pring); | |
1643 | ||
1644 | if ((pring->lpfc_sli_cmd_available)) | |
1645 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1646 | ||
1647 | } | |
1648 | ||
2e0fef85 | 1649 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
1650 | return rc; |
1651 | } | |
1652 | ||
dea3101e | 1653 | int |
2e0fef85 JS |
1654 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
1655 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 1656 | { |
ed957684 JS |
1657 | struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? |
1658 | &phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] : | |
1659 | &phba->slim2p->mbx.us.s2.port[pring->ringno]; | |
dea3101e JB |
1660 | IOCB_t *entry; |
1661 | IOCB_t *irsp = NULL; | |
1662 | struct lpfc_iocbq *rspiocbp = NULL; | |
1663 | struct lpfc_iocbq *next_iocb; | |
1664 | struct lpfc_iocbq *cmdiocbp; | |
1665 | struct lpfc_iocbq *saveq; | |
dea3101e JB |
1666 | uint8_t iocb_cmd_type; |
1667 | lpfc_iocb_type type; | |
1668 | uint32_t status, free_saveq; | |
1669 | uint32_t portRspPut, portRspMax; | |
1670 | int rc = 1; | |
1671 | unsigned long iflag; | |
dea3101e | 1672 | |
2e0fef85 | 1673 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
1674 | pring->stats.iocb_event++; |
1675 | ||
dea3101e JB |
1676 | /* |
1677 | * The next available response entry should never exceed the maximum | |
1678 | * entries. If it does, treat it as an adapter hardware error. | |
1679 | */ | |
1680 | portRspMax = pring->numRiocb; | |
1681 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1682 | if (portRspPut >= portRspMax) { | |
1683 | /* | |
1684 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger then | |
1685 | * rsp ring <portRspMax> | |
1686 | */ | |
ed957684 | 1687 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1688 | "0303 Ring %d handler: portRspPut %d " |
dea3101e | 1689 | "is bigger then rsp ring %d\n", |
e8b62011 | 1690 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 1691 | |
2e0fef85 JS |
1692 | phba->link_state = LPFC_HBA_ERROR; |
1693 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
1694 | |
1695 | phba->work_hs = HS_FFER3; | |
1696 | lpfc_handle_eratt(phba); | |
1697 | ||
1698 | return 1; | |
1699 | } | |
1700 | ||
1701 | rmb(); | |
dea3101e JB |
1702 | while (pring->rspidx != portRspPut) { |
1703 | /* | |
1704 | * Build a completion list and call the appropriate handler. | |
1705 | * The process is to get the next available response iocb, get | |
1706 | * a free iocb from the list, copy the response data into the | |
1707 | * free iocb, insert to the continuation list, and update the | |
1708 | * next response index to slim. This process makes response | |
1709 | * iocb's in the ring available to DMA as fast as possible but | |
1710 | * pays a penalty for a copy operation. Since the iocb is | |
1711 | * only 32 bytes, this penalty is considered small relative to | |
1712 | * the PCI reads for register values and a slim write. When | |
1713 | * the ulpLe field is set, the entire Command has been | |
1714 | * received. | |
1715 | */ | |
ed957684 JS |
1716 | entry = lpfc_resp_iocb(phba, pring); |
1717 | ||
858c9f6c | 1718 | phba->last_completion_time = jiffies; |
2e0fef85 | 1719 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
1720 | if (rspiocbp == NULL) { |
1721 | printk(KERN_ERR "%s: out of buffers! Failing " | |
1722 | "completion.\n", __FUNCTION__); | |
1723 | break; | |
1724 | } | |
1725 | ||
ed957684 JS |
1726 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
1727 | phba->iocb_rsp_size); | |
dea3101e JB |
1728 | irsp = &rspiocbp->iocb; |
1729 | ||
1730 | if (++pring->rspidx >= portRspMax) | |
1731 | pring->rspidx = 0; | |
1732 | ||
a58cbd52 JS |
1733 | if (pring->ringno == LPFC_ELS_RING) { |
1734 | lpfc_debugfs_slow_ring_trc(phba, | |
1735 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1736 | *(((uint32_t *) irsp) + 4), | |
1737 | *(((uint32_t *) irsp) + 6), | |
1738 | *(((uint32_t *) irsp) + 7)); | |
1739 | } | |
1740 | ||
ed957684 | 1741 | writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); |
dea3101e | 1742 | |
9c2face6 | 1743 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); |
dea3101e JB |
1744 | |
1745 | pring->iocb_continueq_cnt++; | |
1746 | if (irsp->ulpLe) { | |
1747 | /* | |
1748 | * By default, the driver expects to free all resources | |
1749 | * associated with this iocb completion. | |
1750 | */ | |
1751 | free_saveq = 1; | |
1752 | saveq = list_get_first(&pring->iocb_continueq, | |
1753 | struct lpfc_iocbq, list); | |
1754 | irsp = &(saveq->iocb); | |
1755 | list_del_init(&pring->iocb_continueq); | |
1756 | pring->iocb_continueq_cnt = 0; | |
1757 | ||
1758 | pring->stats.iocb_rsp++; | |
1759 | ||
92d7f7b0 JS |
1760 | /* |
1761 | * If resource errors reported from HBA, reduce | |
1762 | * queuedepths of the SCSI device. | |
1763 | */ | |
1764 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1765 | (irsp->un.ulpWord[4] == IOERR_NO_RESOURCES)) { | |
1766 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
1767 | lpfc_adjust_queue_depth(phba); | |
1768 | spin_lock_irqsave(&phba->hbalock, iflag); | |
1769 | } | |
1770 | ||
dea3101e JB |
1771 | if (irsp->ulpStatus) { |
1772 | /* Rsp ring <ringno> error: IOCB */ | |
ed957684 | 1773 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 1774 | "0328 Rsp Ring %d error: " |
ed957684 JS |
1775 | "IOCB Data: " |
1776 | "x%x x%x x%x x%x " | |
1777 | "x%x x%x x%x x%x " | |
1778 | "x%x x%x x%x x%x " | |
1779 | "x%x x%x x%x x%x\n", | |
ed957684 JS |
1780 | pring->ringno, |
1781 | irsp->un.ulpWord[0], | |
1782 | irsp->un.ulpWord[1], | |
1783 | irsp->un.ulpWord[2], | |
1784 | irsp->un.ulpWord[3], | |
1785 | irsp->un.ulpWord[4], | |
1786 | irsp->un.ulpWord[5], | |
1787 | *(((uint32_t *) irsp) + 6), | |
1788 | *(((uint32_t *) irsp) + 7), | |
1789 | *(((uint32_t *) irsp) + 8), | |
1790 | *(((uint32_t *) irsp) + 9), | |
1791 | *(((uint32_t *) irsp) + 10), | |
1792 | *(((uint32_t *) irsp) + 11), | |
1793 | *(((uint32_t *) irsp) + 12), | |
1794 | *(((uint32_t *) irsp) + 13), | |
1795 | *(((uint32_t *) irsp) + 14), | |
1796 | *(((uint32_t *) irsp) + 15)); | |
dea3101e JB |
1797 | } |
1798 | ||
1799 | /* | |
1800 | * Fetch the IOCB command type and call the correct | |
1801 | * completion routine. Solicited and Unsolicited | |
1802 | * IOCBs on the ELS ring get freed back to the | |
1803 | * lpfc_iocb_list by the discovery kernel thread. | |
1804 | */ | |
1805 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
1806 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
1807 | if (type == LPFC_SOL_IOCB) { | |
9c2face6 | 1808 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1809 | rc = lpfc_sli_process_sol_iocb(phba, pring, |
2e0fef85 JS |
1810 | saveq); |
1811 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e | 1812 | } else if (type == LPFC_UNSOL_IOCB) { |
9c2face6 | 1813 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e | 1814 | rc = lpfc_sli_process_unsol_iocb(phba, pring, |
2e0fef85 JS |
1815 | saveq); |
1816 | spin_lock_irqsave(&phba->hbalock, iflag); | |
9c2face6 JS |
1817 | if (!rc) |
1818 | free_saveq = 0; | |
dea3101e JB |
1819 | } else if (type == LPFC_ABORT_IOCB) { |
1820 | if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && | |
1821 | ((cmdiocbp = | |
604a3e30 JB |
1822 | lpfc_sli_iocbq_lookup(phba, pring, |
1823 | saveq)))) { | |
dea3101e JB |
1824 | /* Call the specified completion |
1825 | routine */ | |
1826 | if (cmdiocbp->iocb_cmpl) { | |
1827 | spin_unlock_irqrestore( | |
2e0fef85 | 1828 | &phba->hbalock, |
dea3101e JB |
1829 | iflag); |
1830 | (cmdiocbp->iocb_cmpl) (phba, | |
1831 | cmdiocbp, saveq); | |
1832 | spin_lock_irqsave( | |
2e0fef85 | 1833 | &phba->hbalock, |
dea3101e | 1834 | iflag); |
604a3e30 | 1835 | } else |
2e0fef85 | 1836 | __lpfc_sli_release_iocbq(phba, |
604a3e30 | 1837 | cmdiocbp); |
dea3101e JB |
1838 | } |
1839 | } else if (type == LPFC_UNKNOWN_IOCB) { | |
1840 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
1841 | ||
1842 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
1843 | ||
1844 | memset(adaptermsg, 0, | |
1845 | LPFC_MAX_ADPTMSG); | |
1846 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
1847 | MAX_MSG_DATA); | |
1848 | dev_warn(&((phba->pcidev)->dev), | |
898eb71c | 1849 | "lpfc%d: %s\n", |
dea3101e JB |
1850 | phba->brd_no, adaptermsg); |
1851 | } else { | |
1852 | /* Unknown IOCB command */ | |
92d7f7b0 | 1853 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1854 | "0335 Unknown IOCB " |
92d7f7b0 JS |
1855 | "command Data: x%x " |
1856 | "x%x x%x x%x\n", | |
92d7f7b0 JS |
1857 | irsp->ulpCommand, |
1858 | irsp->ulpStatus, | |
1859 | irsp->ulpIoTag, | |
1860 | irsp->ulpContext); | |
dea3101e JB |
1861 | } |
1862 | } | |
1863 | ||
1864 | if (free_saveq) { | |
2e0fef85 JS |
1865 | list_for_each_entry_safe(rspiocbp, next_iocb, |
1866 | &saveq->list, list) { | |
1867 | list_del(&rspiocbp->list); | |
1868 | __lpfc_sli_release_iocbq(phba, | |
1869 | rspiocbp); | |
dea3101e | 1870 | } |
2e0fef85 | 1871 | __lpfc_sli_release_iocbq(phba, saveq); |
dea3101e | 1872 | } |
92d7f7b0 | 1873 | rspiocbp = NULL; |
dea3101e JB |
1874 | } |
1875 | ||
1876 | /* | |
1877 | * If the port response put pointer has not been updated, sync | |
1878 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
1879 | * response put pointer. | |
1880 | */ | |
1881 | if (pring->rspidx == portRspPut) { | |
1882 | portRspPut = le32_to_cpu(pgp->rspPutInx); | |
1883 | } | |
1884 | } /* while (pring->rspidx != portRspPut) */ | |
1885 | ||
92d7f7b0 | 1886 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
1887 | /* At least one response entry has been freed */ |
1888 | pring->stats.iocb_rsp_full++; | |
1889 | /* SET RxRE_RSP in Chip Att register */ | |
1890 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
1891 | writel(status, phba->CAregaddr); | |
1892 | readl(phba->CAregaddr); /* flush */ | |
1893 | } | |
1894 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
1895 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
1896 | pring->stats.iocb_cmd_empty++; | |
1897 | ||
1898 | /* Force update of the local copy of cmdGetInx */ | |
1899 | pring->local_getidx = le32_to_cpu(pgp->cmdGetInx); | |
1900 | lpfc_sli_resume_iocb(phba, pring); | |
1901 | ||
1902 | if ((pring->lpfc_sli_cmd_available)) | |
1903 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
1904 | ||
1905 | } | |
1906 | ||
2e0fef85 | 1907 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
1908 | return rc; |
1909 | } | |
1910 | ||
2e0fef85 | 1911 | void |
dea3101e JB |
1912 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
1913 | { | |
2534ba75 | 1914 | LIST_HEAD(completions); |
dea3101e | 1915 | struct lpfc_iocbq *iocb, *next_iocb; |
2534ba75 | 1916 | IOCB_t *cmd = NULL; |
dea3101e | 1917 | |
92d7f7b0 JS |
1918 | if (pring->ringno == LPFC_ELS_RING) { |
1919 | lpfc_fabric_abort_hba(phba); | |
1920 | } | |
1921 | ||
dea3101e JB |
1922 | /* Error everything on txq and txcmplq |
1923 | * First do the txq. | |
1924 | */ | |
2e0fef85 | 1925 | spin_lock_irq(&phba->hbalock); |
2534ba75 | 1926 | list_splice_init(&pring->txq, &completions); |
dea3101e | 1927 | pring->txq_cnt = 0; |
dea3101e JB |
1928 | |
1929 | /* Next issue ABTS for everything on the txcmplq */ | |
2534ba75 JS |
1930 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) |
1931 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 1932 | |
2e0fef85 | 1933 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1934 | |
2534ba75 JS |
1935 | while (!list_empty(&completions)) { |
1936 | iocb = list_get_first(&completions, struct lpfc_iocbq, list); | |
1937 | cmd = &iocb->iocb; | |
92d7f7b0 | 1938 | list_del_init(&iocb->list); |
dea3101e | 1939 | |
2e0fef85 JS |
1940 | if (!iocb->iocb_cmpl) |
1941 | lpfc_sli_release_iocbq(phba, iocb); | |
1942 | else { | |
dea3101e JB |
1943 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
1944 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
dea3101e | 1945 | (iocb->iocb_cmpl) (phba, iocb, iocb); |
2e0fef85 | 1946 | } |
dea3101e | 1947 | } |
dea3101e JB |
1948 | } |
1949 | ||
41415862 | 1950 | int |
2e0fef85 | 1951 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) |
dea3101e | 1952 | { |
41415862 JW |
1953 | uint32_t status; |
1954 | int i = 0; | |
1955 | int retval = 0; | |
dea3101e | 1956 | |
41415862 JW |
1957 | /* Read the HBA Host Status Register */ |
1958 | status = readl(phba->HSregaddr); | |
dea3101e | 1959 | |
41415862 JW |
1960 | /* |
1961 | * Check status register every 100ms for 5 retries, then every | |
1962 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
1963 | * every 2.5 sec for 4. | |
1964 | * Break our of the loop if errors occurred during init. | |
1965 | */ | |
1966 | while (((status & mask) != mask) && | |
1967 | !(status & HS_FFERM) && | |
1968 | i++ < 20) { | |
dea3101e | 1969 | |
41415862 JW |
1970 | if (i <= 5) |
1971 | msleep(10); | |
1972 | else if (i <= 10) | |
1973 | msleep(500); | |
1974 | else | |
1975 | msleep(2500); | |
dea3101e | 1976 | |
41415862 | 1977 | if (i == 15) { |
2e0fef85 | 1978 | /* Do post */ |
92d7f7b0 | 1979 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
1980 | lpfc_sli_brdrestart(phba); |
1981 | } | |
1982 | /* Read the HBA Host Status Register */ | |
1983 | status = readl(phba->HSregaddr); | |
1984 | } | |
dea3101e | 1985 | |
41415862 JW |
1986 | /* Check to see if any errors occurred during init */ |
1987 | if ((status & HS_FFERM) || (i >= 20)) { | |
2e0fef85 | 1988 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 1989 | retval = 1; |
dea3101e | 1990 | } |
dea3101e | 1991 | |
41415862 JW |
1992 | return retval; |
1993 | } | |
dea3101e | 1994 | |
9290831f JS |
1995 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
1996 | ||
2e0fef85 | 1997 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 1998 | { |
65a29c16 JS |
1999 | uint32_t __iomem *resp_buf; |
2000 | uint32_t __iomem *mbox_buf; | |
9290831f JS |
2001 | volatile uint32_t mbox; |
2002 | uint32_t hc_copy; | |
2003 | int i; | |
2004 | uint8_t hdrtype; | |
2005 | ||
2006 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); | |
2007 | if (hdrtype != 0x80 || | |
2008 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
2009 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
2010 | return; | |
2011 | ||
2012 | /* | |
2013 | * Tell the other part of the chip to suspend temporarily all | |
2014 | * its DMA activity. | |
2015 | */ | |
65a29c16 | 2016 | resp_buf = phba->MBslimaddr; |
9290831f JS |
2017 | |
2018 | /* Disable the error attention */ | |
2019 | hc_copy = readl(phba->HCregaddr); | |
2020 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); | |
2021 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 2022 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f JS |
2023 | |
2024 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
2025 | /* Clear Chip error bit */ | |
2026 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 2027 | phba->pport->stopped = 1; |
9290831f JS |
2028 | } |
2029 | ||
2030 | mbox = 0; | |
2031 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
2032 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
2033 | ||
2034 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 2035 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
2036 | writel(mbox, mbox_buf); |
2037 | ||
2038 | for (i = 0; | |
2039 | readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN) && i < 50; i++) | |
2040 | mdelay(1); | |
2041 | ||
2042 | if (readl(resp_buf + 1) != ~(BARRIER_TEST_PATTERN)) { | |
2043 | if (phba->sli.sli_flag & LPFC_SLI2_ACTIVE || | |
2e0fef85 | 2044 | phba->pport->stopped) |
9290831f JS |
2045 | goto restore_hc; |
2046 | else | |
2047 | goto clear_errat; | |
2048 | } | |
2049 | ||
2050 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
2051 | for (i = 0; readl(resp_buf) != mbox && i < 500; i++) | |
2052 | mdelay(1); | |
2053 | ||
2054 | clear_errat: | |
2055 | ||
2056 | while (!(readl(phba->HAregaddr) & HA_ERATT) && ++i < 500) | |
2057 | mdelay(1); | |
2058 | ||
2059 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
2060 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 2061 | phba->pport->stopped = 1; |
9290831f JS |
2062 | } |
2063 | ||
2064 | restore_hc: | |
2e0fef85 | 2065 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
2066 | writel(hc_copy, phba->HCregaddr); |
2067 | readl(phba->HCregaddr); /* flush */ | |
2068 | } | |
2069 | ||
41415862 | 2070 | int |
2e0fef85 | 2071 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
2072 | { |
2073 | struct lpfc_sli *psli; | |
2074 | LPFC_MBOXQ_t *pmb; | |
2075 | uint32_t status; | |
2076 | uint32_t ha_copy; | |
2077 | int retval; | |
2078 | int i = 0; | |
dea3101e | 2079 | |
41415862 | 2080 | psli = &phba->sli; |
dea3101e | 2081 | |
41415862 | 2082 | /* Kill HBA */ |
ed957684 | 2083 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
2084 | "0329 Kill HBA Data: x%x x%x\n", |
2085 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 2086 | |
98c9ea5c JS |
2087 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2088 | if (!pmb) | |
41415862 | 2089 | return 1; |
41415862 JW |
2090 | |
2091 | /* Disable the error attention */ | |
2e0fef85 | 2092 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
2093 | status = readl(phba->HCregaddr); |
2094 | status &= ~HC_ERINT_ENA; | |
2095 | writel(status, phba->HCregaddr); | |
2096 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
2097 | phba->link_flag |= LS_IGNORE_ERATT; |
2098 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2099 | |
2100 | lpfc_kill_board(phba, pmb); | |
2101 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
2102 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
2103 | ||
2104 | if (retval != MBX_SUCCESS) { | |
2105 | if (retval != MBX_BUSY) | |
2106 | mempool_free(pmb, phba->mbox_mem_pool); | |
2e0fef85 JS |
2107 | spin_lock_irq(&phba->hbalock); |
2108 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
2109 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2110 | return 1; |
2111 | } | |
2112 | ||
9290831f JS |
2113 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
2114 | ||
41415862 JW |
2115 | mempool_free(pmb, phba->mbox_mem_pool); |
2116 | ||
2117 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
2118 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
2119 | * 3 seconds we still set HBA_ERROR state because the status of the | |
2120 | * board is now undefined. | |
2121 | */ | |
2122 | ha_copy = readl(phba->HAregaddr); | |
2123 | ||
2124 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { | |
2125 | mdelay(100); | |
2126 | ha_copy = readl(phba->HAregaddr); | |
2127 | } | |
2128 | ||
2129 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
2130 | if (ha_copy & HA_ERATT) { |
2131 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 2132 | phba->pport->stopped = 1; |
9290831f | 2133 | } |
2e0fef85 | 2134 | spin_lock_irq(&phba->hbalock); |
41415862 | 2135 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 JS |
2136 | phba->link_flag &= ~LS_IGNORE_ERATT; |
2137 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
2138 | |
2139 | psli->mbox_active = NULL; | |
2140 | lpfc_hba_down_post(phba); | |
2e0fef85 | 2141 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 2142 | |
2e0fef85 | 2143 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
2144 | } |
2145 | ||
41415862 | 2146 | int |
2e0fef85 | 2147 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 2148 | { |
41415862 | 2149 | struct lpfc_sli *psli; |
dea3101e | 2150 | struct lpfc_sli_ring *pring; |
41415862 | 2151 | uint16_t cfg_value; |
dea3101e | 2152 | int i; |
dea3101e | 2153 | |
41415862 | 2154 | psli = &phba->sli; |
dea3101e | 2155 | |
41415862 JW |
2156 | /* Reset HBA */ |
2157 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 2158 | "0325 Reset HBA Data: x%x x%x\n", |
2e0fef85 | 2159 | phba->pport->port_state, psli->sli_flag); |
dea3101e JB |
2160 | |
2161 | /* perform board reset */ | |
2162 | phba->fc_eventTag = 0; | |
2e0fef85 JS |
2163 | phba->pport->fc_myDID = 0; |
2164 | phba->pport->fc_prevDID = 0; | |
dea3101e | 2165 | |
41415862 JW |
2166 | /* Turn off parity checking and serr during the physical reset */ |
2167 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
2168 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
2169 | (cfg_value & | |
2170 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
2171 | ||
1c067a42 | 2172 | psli->sli_flag &= ~(LPFC_SLI2_ACTIVE | LPFC_PROCESS_LA); |
41415862 JW |
2173 | /* Now toggle INITFF bit in the Host Control Register */ |
2174 | writel(HC_INITFF, phba->HCregaddr); | |
2175 | mdelay(1); | |
2176 | readl(phba->HCregaddr); /* flush */ | |
2177 | writel(0, phba->HCregaddr); | |
2178 | readl(phba->HCregaddr); /* flush */ | |
2179 | ||
2180 | /* Restore PCI cmd register */ | |
2181 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
2182 | |
2183 | /* Initialize relevant SLI info */ | |
41415862 JW |
2184 | for (i = 0; i < psli->num_rings; i++) { |
2185 | pring = &psli->ring[i]; | |
dea3101e JB |
2186 | pring->flag = 0; |
2187 | pring->rspidx = 0; | |
2188 | pring->next_cmdidx = 0; | |
2189 | pring->local_getidx = 0; | |
2190 | pring->cmdidx = 0; | |
2191 | pring->missbufcnt = 0; | |
2192 | } | |
dea3101e | 2193 | |
2e0fef85 | 2194 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
2195 | return 0; |
2196 | } | |
2197 | ||
2198 | int | |
2e0fef85 | 2199 | lpfc_sli_brdrestart(struct lpfc_hba *phba) |
41415862 JW |
2200 | { |
2201 | MAILBOX_t *mb; | |
2202 | struct lpfc_sli *psli; | |
2203 | uint16_t skip_post; | |
2204 | volatile uint32_t word0; | |
2205 | void __iomem *to_slim; | |
2206 | ||
2e0fef85 | 2207 | spin_lock_irq(&phba->hbalock); |
41415862 JW |
2208 | |
2209 | psli = &phba->sli; | |
2210 | ||
2211 | /* Restart HBA */ | |
2212 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 2213 | "0337 Restart HBA Data: x%x x%x\n", |
2e0fef85 | 2214 | phba->pport->port_state, psli->sli_flag); |
41415862 JW |
2215 | |
2216 | word0 = 0; | |
2217 | mb = (MAILBOX_t *) &word0; | |
2218 | mb->mbxCommand = MBX_RESTART; | |
2219 | mb->mbxHc = 1; | |
2220 | ||
9290831f JS |
2221 | lpfc_reset_barrier(phba); |
2222 | ||
41415862 JW |
2223 | to_slim = phba->MBslimaddr; |
2224 | writel(*(uint32_t *) mb, to_slim); | |
2225 | readl(to_slim); /* flush */ | |
2226 | ||
2227 | /* Only skip post after fc_ffinit is completed */ | |
2e0fef85 | 2228 | if (phba->pport->port_state) { |
41415862 JW |
2229 | skip_post = 1; |
2230 | word0 = 1; /* This is really setting up word1 */ | |
dea3101e | 2231 | } else { |
41415862 JW |
2232 | skip_post = 0; |
2233 | word0 = 0; /* This is really setting up word1 */ | |
dea3101e | 2234 | } |
65a29c16 | 2235 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
2236 | writel(*(uint32_t *) mb, to_slim); |
2237 | readl(to_slim); /* flush */ | |
dea3101e | 2238 | |
41415862 | 2239 | lpfc_sli_brdreset(phba); |
2e0fef85 JS |
2240 | phba->pport->stopped = 0; |
2241 | phba->link_state = LPFC_INIT_START; | |
41415862 | 2242 | |
2e0fef85 | 2243 | spin_unlock_irq(&phba->hbalock); |
41415862 | 2244 | |
64ba8818 JS |
2245 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
2246 | psli->stats_start = get_seconds(); | |
2247 | ||
41415862 JW |
2248 | if (skip_post) |
2249 | mdelay(100); | |
2250 | else | |
2251 | mdelay(2000); | |
2252 | ||
2253 | lpfc_hba_down_post(phba); | |
dea3101e JB |
2254 | |
2255 | return 0; | |
2256 | } | |
2257 | ||
2258 | static int | |
2259 | lpfc_sli_chipset_init(struct lpfc_hba *phba) | |
2260 | { | |
2261 | uint32_t status, i = 0; | |
2262 | ||
2263 | /* Read the HBA Host Status Register */ | |
2264 | status = readl(phba->HSregaddr); | |
2265 | ||
2266 | /* Check status register to see what current state is */ | |
2267 | i = 0; | |
2268 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
2269 | ||
2270 | /* Check every 100ms for 5 retries, then every 500ms for 5, then | |
2271 | * every 2.5 sec for 5, then reset board and every 2.5 sec for | |
2272 | * 4. | |
2273 | */ | |
2274 | if (i++ >= 20) { | |
2275 | /* Adapter failed to init, timeout, status reg | |
2276 | <status> */ | |
ed957684 | 2277 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2278 | "0436 Adapter failed to init, " |
09372820 JS |
2279 | "timeout, status reg x%x, " |
2280 | "FW Data: A8 x%x AC x%x\n", status, | |
2281 | readl(phba->MBslimaddr + 0xa8), | |
2282 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2283 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2284 | return -ETIMEDOUT; |
2285 | } | |
2286 | ||
2287 | /* Check to see if any errors occurred during init */ | |
2288 | if (status & HS_FFERM) { | |
2289 | /* ERROR: During chipset initialization */ | |
2290 | /* Adapter failed to init, chipset, status reg | |
2291 | <status> */ | |
ed957684 | 2292 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2293 | "0437 Adapter failed to init, " |
09372820 JS |
2294 | "chipset, status reg x%x, " |
2295 | "FW Data: A8 x%x AC x%x\n", status, | |
2296 | readl(phba->MBslimaddr + 0xa8), | |
2297 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2298 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2299 | return -EIO; |
2300 | } | |
2301 | ||
2302 | if (i <= 5) { | |
2303 | msleep(10); | |
2304 | } else if (i <= 10) { | |
2305 | msleep(500); | |
2306 | } else { | |
2307 | msleep(2500); | |
2308 | } | |
2309 | ||
2310 | if (i == 15) { | |
2e0fef85 | 2311 | /* Do post */ |
92d7f7b0 | 2312 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 2313 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
2314 | } |
2315 | /* Read the HBA Host Status Register */ | |
2316 | status = readl(phba->HSregaddr); | |
2317 | } | |
2318 | ||
2319 | /* Check to see if any errors occurred during init */ | |
2320 | if (status & HS_FFERM) { | |
2321 | /* ERROR: During chipset initialization */ | |
2322 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 2323 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2324 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
2325 | "status reg x%x, " |
2326 | "FW Data: A8 x%x AC x%x\n", status, | |
2327 | readl(phba->MBslimaddr + 0xa8), | |
2328 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 2329 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2330 | return -EIO; |
2331 | } | |
2332 | ||
2333 | /* Clear all interrupt enable conditions */ | |
2334 | writel(0, phba->HCregaddr); | |
2335 | readl(phba->HCregaddr); /* flush */ | |
2336 | ||
2337 | /* setup host attn register */ | |
2338 | writel(0xffffffff, phba->HAregaddr); | |
2339 | readl(phba->HAregaddr); /* flush */ | |
2340 | return 0; | |
2341 | } | |
2342 | ||
78b2d852 | 2343 | int |
ed957684 JS |
2344 | lpfc_sli_hbq_count(void) |
2345 | { | |
92d7f7b0 | 2346 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
2347 | } |
2348 | ||
2349 | static int | |
2350 | lpfc_sli_hbq_entry_count(void) | |
2351 | { | |
2352 | int hbq_count = lpfc_sli_hbq_count(); | |
2353 | int count = 0; | |
2354 | int i; | |
2355 | ||
2356 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 2357 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
2358 | return count; |
2359 | } | |
2360 | ||
dea3101e | 2361 | int |
ed957684 JS |
2362 | lpfc_sli_hbq_size(void) |
2363 | { | |
2364 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
2365 | } | |
2366 | ||
2367 | static int | |
2368 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
2369 | { | |
2370 | int hbq_count = lpfc_sli_hbq_count(); | |
2371 | LPFC_MBOXQ_t *pmb; | |
2372 | MAILBOX_t *pmbox; | |
2373 | uint32_t hbqno; | |
2374 | uint32_t hbq_entry_index; | |
ed957684 | 2375 | |
92d7f7b0 JS |
2376 | /* Get a Mailbox buffer to setup mailbox |
2377 | * commands for HBA initialization | |
2378 | */ | |
ed957684 JS |
2379 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2380 | ||
2381 | if (!pmb) | |
2382 | return -ENOMEM; | |
2383 | ||
2384 | pmbox = &pmb->mb; | |
2385 | ||
2386 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
2387 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 2388 | phba->hbq_in_use = 1; |
ed957684 JS |
2389 | |
2390 | hbq_entry_index = 0; | |
2391 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
2392 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
2393 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
2394 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
2395 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 2396 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
2397 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
2398 | hbq_entry_index, pmb); | |
ed957684 JS |
2399 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
2400 | ||
2401 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
2402 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
2403 | mbxStatus <status>, ring <num> */ | |
2404 | ||
2405 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 2406 | LOG_SLI | LOG_VPORT, |
e8b62011 | 2407 | "1805 Adapter failed to init. " |
ed957684 | 2408 | "Data: x%x x%x x%x\n", |
e8b62011 | 2409 | pmbox->mbxCommand, |
ed957684 JS |
2410 | pmbox->mbxStatus, hbqno); |
2411 | ||
2412 | phba->link_state = LPFC_HBA_ERROR; | |
2413 | mempool_free(pmb, phba->mbox_mem_pool); | |
ed957684 JS |
2414 | return ENXIO; |
2415 | } | |
2416 | } | |
2417 | phba->hbq_count = hbq_count; | |
2418 | ||
ed957684 JS |
2419 | mempool_free(pmb, phba->mbox_mem_pool); |
2420 | ||
92d7f7b0 JS |
2421 | /* Initially populate or replenish the HBQs */ |
2422 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
2423 | if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno)) | |
2424 | return -ENOMEM; | |
2425 | } | |
ed957684 JS |
2426 | return 0; |
2427 | } | |
2428 | ||
2429 | static int | |
2430 | lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
2431 | { |
2432 | LPFC_MBOXQ_t *pmb; | |
2433 | uint32_t resetcount = 0, rc = 0, done = 0; | |
2434 | ||
2435 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2436 | if (!pmb) { | |
2e0fef85 | 2437 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2438 | return -ENOMEM; |
2439 | } | |
2440 | ||
ed957684 | 2441 | phba->sli_rev = sli_mode; |
dea3101e | 2442 | while (resetcount < 2 && !done) { |
2e0fef85 | 2443 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 2444 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2445 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2446 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 2447 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
2448 | msleep(2500); |
2449 | rc = lpfc_sli_chipset_init(phba); | |
2450 | if (rc) | |
2451 | break; | |
2452 | ||
2e0fef85 | 2453 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 2454 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2455 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
2456 | resetcount++; |
2457 | ||
ed957684 JS |
2458 | /* Call pre CONFIG_PORT mailbox command initialization. A |
2459 | * value of 0 means the call was successful. Any other | |
2460 | * nonzero value is a failure, but if ERESTART is returned, | |
2461 | * the driver may reset the HBA and try again. | |
2462 | */ | |
dea3101e JB |
2463 | rc = lpfc_config_port_prep(phba); |
2464 | if (rc == -ERESTART) { | |
ed957684 | 2465 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e JB |
2466 | continue; |
2467 | } else if (rc) { | |
2468 | break; | |
2469 | } | |
2470 | ||
2e0fef85 | 2471 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
2472 | lpfc_config_port(phba, pmb); |
2473 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
ed957684 | 2474 | if (rc != MBX_SUCCESS) { |
dea3101e | 2475 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 2476 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 2477 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
e8b62011 | 2478 | pmb->mb.mbxCommand, pmb->mb.mbxStatus, 0); |
2e0fef85 | 2479 | spin_lock_irq(&phba->hbalock); |
dea3101e | 2480 | phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE; |
2e0fef85 JS |
2481 | spin_unlock_irq(&phba->hbalock); |
2482 | rc = -ENXIO; | |
ed957684 JS |
2483 | } else { |
2484 | done = 1; | |
92d7f7b0 JS |
2485 | phba->max_vpi = (phba->max_vpi && |
2486 | pmb->mb.un.varCfgPort.gmv) != 0 | |
2487 | ? pmb->mb.un.varCfgPort.max_vpi | |
2488 | : 0; | |
dea3101e JB |
2489 | } |
2490 | } | |
ed957684 JS |
2491 | |
2492 | if (!done) { | |
2493 | rc = -EINVAL; | |
2494 | goto do_prep_failed; | |
2495 | } | |
2496 | ||
2497 | if ((pmb->mb.un.varCfgPort.sli_mode == 3) && | |
92d7f7b0 | 2498 | (!pmb->mb.un.varCfgPort.cMA)) { |
ed957684 | 2499 | rc = -ENXIO; |
ed957684 | 2500 | } |
ed957684 | 2501 | |
92d7f7b0 | 2502 | do_prep_failed: |
ed957684 JS |
2503 | mempool_free(pmb, phba->mbox_mem_pool); |
2504 | return rc; | |
2505 | } | |
2506 | ||
2507 | int | |
2508 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
2509 | { | |
2510 | uint32_t rc; | |
92d7f7b0 | 2511 | int mode = 3; |
ed957684 JS |
2512 | |
2513 | switch (lpfc_sli_mode) { | |
2514 | case 2: | |
78b2d852 | 2515 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 2516 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 | 2517 | "1824 NPIV enabled: Override lpfc_sli_mode " |
92d7f7b0 | 2518 | "parameter (%d) to auto (0).\n", |
e8b62011 | 2519 | lpfc_sli_mode); |
92d7f7b0 JS |
2520 | break; |
2521 | } | |
ed957684 JS |
2522 | mode = 2; |
2523 | break; | |
2524 | case 0: | |
2525 | case 3: | |
2526 | break; | |
2527 | default: | |
92d7f7b0 | 2528 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
2529 | "1819 Unrecognized lpfc_sli_mode " |
2530 | "parameter: %d.\n", lpfc_sli_mode); | |
ed957684 JS |
2531 | |
2532 | break; | |
2533 | } | |
2534 | ||
2535 | rc = lpfc_do_config_port(phba, mode); | |
2536 | if (rc && lpfc_sli_mode == 3) | |
92d7f7b0 | 2537 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
2538 | "1820 Unable to select SLI-3. " |
2539 | "Not supported by adapter.\n"); | |
ed957684 JS |
2540 | if (rc && mode != 2) |
2541 | rc = lpfc_do_config_port(phba, 2); | |
2542 | if (rc) | |
dea3101e JB |
2543 | goto lpfc_sli_hba_setup_error; |
2544 | ||
ed957684 JS |
2545 | if (phba->sli_rev == 3) { |
2546 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
2547 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
2548 | phba->sli3_options |= LPFC_SLI3_ENABLED; | |
2549 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; | |
2550 | ||
2551 | } else { | |
2552 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
2553 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 2554 | phba->sli3_options = 0; |
ed957684 JS |
2555 | } |
2556 | ||
2557 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
2558 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
2559 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 2560 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
2561 | |
2562 | if (rc) | |
2563 | goto lpfc_sli_hba_setup_error; | |
2564 | ||
92d7f7b0 | 2565 | /* Init HBQs */ |
ed957684 JS |
2566 | |
2567 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { | |
2568 | rc = lpfc_sli_hbq_setup(phba); | |
2569 | if (rc) | |
2570 | goto lpfc_sli_hba_setup_error; | |
2571 | } | |
2572 | ||
dea3101e JB |
2573 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
2574 | ||
2575 | rc = lpfc_config_port_post(phba); | |
2576 | if (rc) | |
2577 | goto lpfc_sli_hba_setup_error; | |
2578 | ||
ed957684 JS |
2579 | return rc; |
2580 | ||
92d7f7b0 | 2581 | lpfc_sli_hba_setup_error: |
2e0fef85 | 2582 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 | 2583 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, |
e8b62011 | 2584 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
2585 | return rc; |
2586 | } | |
2587 | ||
dea3101e JB |
2588 | /*! lpfc_mbox_timeout |
2589 | * | |
2590 | * \pre | |
2591 | * \post | |
2592 | * \param hba Pointer to per struct lpfc_hba structure | |
2593 | * \param l1 Pointer to the driver's mailbox queue. | |
2594 | * \return | |
2595 | * void | |
2596 | * | |
2597 | * \b Description: | |
2598 | * | |
2599 | * This routine handles mailbox timeout events at timer interrupt context. | |
2600 | */ | |
2601 | void | |
2602 | lpfc_mbox_timeout(unsigned long ptr) | |
2603 | { | |
92d7f7b0 | 2604 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; |
dea3101e | 2605 | unsigned long iflag; |
2e0fef85 | 2606 | uint32_t tmo_posted; |
dea3101e | 2607 | |
2e0fef85 | 2608 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); |
92d7f7b0 | 2609 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; |
2e0fef85 JS |
2610 | if (!tmo_posted) |
2611 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
2612 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
2613 | ||
2614 | if (!tmo_posted) { | |
92d7f7b0 | 2615 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 2616 | if (phba->work_wait) |
92d7f7b0 JS |
2617 | lpfc_worker_wake_up(phba); |
2618 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e | 2619 | } |
dea3101e JB |
2620 | } |
2621 | ||
2622 | void | |
2623 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
2624 | { | |
2e0fef85 JS |
2625 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; |
2626 | MAILBOX_t *mb = &pmbox->mb; | |
1dcb58e5 JS |
2627 | struct lpfc_sli *psli = &phba->sli; |
2628 | struct lpfc_sli_ring *pring; | |
dea3101e | 2629 | |
2e0fef85 | 2630 | if (!(phba->pport->work_port_events & WORKER_MBOX_TMO)) { |
dea3101e JB |
2631 | return; |
2632 | } | |
2633 | ||
dea3101e | 2634 | /* Mbox cmd <mbxCommand> timeout */ |
ed957684 | 2635 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2636 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", |
92d7f7b0 JS |
2637 | mb->mbxCommand, |
2638 | phba->pport->port_state, | |
2639 | phba->sli.sli_flag, | |
2640 | phba->sli.mbox_active); | |
dea3101e | 2641 | |
1dcb58e5 JS |
2642 | /* Setting state unknown so lpfc_sli_abort_iocb_ring |
2643 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
2644 | * it to fail all oustanding SCSI IO. | |
2645 | */ | |
2e0fef85 JS |
2646 | spin_lock_irq(&phba->pport->work_port_lock); |
2647 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
2648 | spin_unlock_irq(&phba->pport->work_port_lock); | |
2649 | spin_lock_irq(&phba->hbalock); | |
2650 | phba->link_state = LPFC_LINK_UNKNOWN; | |
1dcb58e5 | 2651 | psli->sli_flag &= ~LPFC_SLI2_ACTIVE; |
2e0fef85 | 2652 | spin_unlock_irq(&phba->hbalock); |
1dcb58e5 JS |
2653 | |
2654 | pring = &psli->ring[psli->fcp_ring]; | |
2655 | lpfc_sli_abort_iocb_ring(phba, pring); | |
2656 | ||
2657 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
76bb24ef | 2658 | "0345 Resetting board due to mailbox timeout\n"); |
1dcb58e5 JS |
2659 | /* |
2660 | * lpfc_offline calls lpfc_sli_hba_down which will clean up | |
2661 | * on oustanding mailbox commands. | |
2662 | */ | |
13815c83 JS |
2663 | /* If resets are disabled then set error state and return. */ |
2664 | if (!phba->cfg_enable_hba_reset) { | |
2665 | phba->link_state = LPFC_HBA_ERROR; | |
2666 | return; | |
2667 | } | |
1dcb58e5 JS |
2668 | lpfc_offline_prep(phba); |
2669 | lpfc_offline(phba); | |
2670 | lpfc_sli_brdrestart(phba); | |
58da1ffb | 2671 | lpfc_online(phba); |
1dcb58e5 | 2672 | lpfc_unblock_mgmt_io(phba); |
dea3101e JB |
2673 | return; |
2674 | } | |
2675 | ||
2676 | int | |
2e0fef85 | 2677 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) |
dea3101e | 2678 | { |
dea3101e | 2679 | MAILBOX_t *mb; |
2e0fef85 | 2680 | struct lpfc_sli *psli = &phba->sli; |
dea3101e JB |
2681 | uint32_t status, evtctr; |
2682 | uint32_t ha_copy; | |
2683 | int i; | |
09372820 | 2684 | unsigned long timeout; |
dea3101e JB |
2685 | unsigned long drvr_flag = 0; |
2686 | volatile uint32_t word0, ldata; | |
2687 | void __iomem *to_slim; | |
58da1ffb JS |
2688 | int processing_queue = 0; |
2689 | ||
2690 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
2691 | if (!pmbox) { | |
2692 | /* processing mbox queue from intr_handler */ | |
2693 | processing_queue = 1; | |
2694 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2695 | pmbox = lpfc_mbox_get(phba); | |
2696 | if (!pmbox) { | |
2697 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
2698 | return MBX_SUCCESS; | |
2699 | } | |
2700 | } | |
dea3101e | 2701 | |
ed957684 | 2702 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 2703 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 2704 | if(!pmbox->vport) { |
58da1ffb | 2705 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 2706 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 2707 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 2708 | "1806 Mbox x%x failed. No vport\n", |
ed957684 JS |
2709 | pmbox->mb.mbxCommand); |
2710 | dump_stack(); | |
58da1ffb | 2711 | goto out_not_finished; |
ed957684 JS |
2712 | } |
2713 | } | |
2714 | ||
8d63f375 | 2715 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
2716 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
2717 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
2718 | goto out_not_finished; | |
2719 | } | |
8d63f375 | 2720 | |
dea3101e | 2721 | psli = &phba->sli; |
92d7f7b0 | 2722 | |
dea3101e JB |
2723 | mb = &pmbox->mb; |
2724 | status = MBX_SUCCESS; | |
2725 | ||
2e0fef85 JS |
2726 | if (phba->link_state == LPFC_HBA_ERROR) { |
2727 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
2728 | |
2729 | /* Mbox command <mbxCommand> cannot issue */ | |
7f5f3d0d | 2730 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
58da1ffb | 2731 | goto out_not_finished; |
41415862 JW |
2732 | } |
2733 | ||
9290831f JS |
2734 | if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && |
2735 | !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { | |
2e0fef85 | 2736 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
7f5f3d0d | 2737 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
58da1ffb | 2738 | goto out_not_finished; |
9290831f JS |
2739 | } |
2740 | ||
dea3101e JB |
2741 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
2742 | /* Polling for a mbox command when another one is already active | |
2743 | * is not allowed in SLI. Also, the driver must have established | |
2744 | * SLI2 mode to queue and process multiple mbox commands. | |
2745 | */ | |
2746 | ||
2747 | if (flag & MBX_POLL) { | |
2e0fef85 | 2748 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2749 | |
2750 | /* Mbox command <mbxCommand> cannot issue */ | |
92d7f7b0 | 2751 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
58da1ffb | 2752 | goto out_not_finished; |
dea3101e JB |
2753 | } |
2754 | ||
2755 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE)) { | |
2e0fef85 | 2756 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2757 | /* Mbox command <mbxCommand> cannot issue */ |
92d7f7b0 | 2758 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
58da1ffb | 2759 | goto out_not_finished; |
dea3101e JB |
2760 | } |
2761 | ||
dea3101e JB |
2762 | /* Another mailbox command is still being processed, queue this |
2763 | * command to be processed later. | |
2764 | */ | |
2765 | lpfc_mbox_put(phba, pmbox); | |
2766 | ||
2767 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 2768 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 2769 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 2770 | "x%x x%x x%x x%x\n", |
92d7f7b0 JS |
2771 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
2772 | mb->mbxCommand, phba->pport->port_state, | |
2773 | psli->sli_flag, flag); | |
dea3101e JB |
2774 | |
2775 | psli->slistat.mbox_busy++; | |
2e0fef85 | 2776 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2777 | |
858c9f6c JS |
2778 | if (pmbox->vport) { |
2779 | lpfc_debugfs_disc_trc(pmbox->vport, | |
2780 | LPFC_DISC_TRC_MBOX_VPORT, | |
2781 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
2782 | (uint32_t)mb->mbxCommand, | |
2783 | mb->un.varWords[0], mb->un.varWords[1]); | |
2784 | } | |
2785 | else { | |
2786 | lpfc_debugfs_disc_trc(phba->pport, | |
2787 | LPFC_DISC_TRC_MBOX, | |
2788 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
2789 | (uint32_t)mb->mbxCommand, | |
2790 | mb->un.varWords[0], mb->un.varWords[1]); | |
2791 | } | |
2792 | ||
2e0fef85 | 2793 | return MBX_BUSY; |
dea3101e JB |
2794 | } |
2795 | ||
dea3101e JB |
2796 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2797 | ||
2798 | /* If we are not polling, we MUST be in SLI2 mode */ | |
2799 | if (flag != MBX_POLL) { | |
41415862 JW |
2800 | if (!(psli->sli_flag & LPFC_SLI2_ACTIVE) && |
2801 | (mb->mbxCommand != MBX_KILL_BOARD)) { | |
dea3101e | 2802 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2803 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 2804 | /* Mbox command <mbxCommand> cannot issue */ |
92d7f7b0 | 2805 | LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag); |
58da1ffb | 2806 | goto out_not_finished; |
dea3101e JB |
2807 | } |
2808 | /* timeout active mbox command */ | |
a309a6b6 JS |
2809 | mod_timer(&psli->mbox_tmo, (jiffies + |
2810 | (HZ * lpfc_mbox_tmo_val(phba, mb->mbxCommand)))); | |
dea3101e JB |
2811 | } |
2812 | ||
2813 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 2814 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 2815 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 2816 | "x%x\n", |
e8b62011 | 2817 | pmbox->vport ? pmbox->vport->vpi : 0, |
92d7f7b0 JS |
2818 | mb->mbxCommand, phba->pport->port_state, |
2819 | psli->sli_flag, flag); | |
dea3101e | 2820 | |
858c9f6c JS |
2821 | if (mb->mbxCommand != MBX_HEARTBEAT) { |
2822 | if (pmbox->vport) { | |
2823 | lpfc_debugfs_disc_trc(pmbox->vport, | |
2824 | LPFC_DISC_TRC_MBOX_VPORT, | |
2825 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
2826 | (uint32_t)mb->mbxCommand, | |
2827 | mb->un.varWords[0], mb->un.varWords[1]); | |
2828 | } | |
2829 | else { | |
2830 | lpfc_debugfs_disc_trc(phba->pport, | |
2831 | LPFC_DISC_TRC_MBOX, | |
2832 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
2833 | (uint32_t)mb->mbxCommand, | |
2834 | mb->un.varWords[0], mb->un.varWords[1]); | |
2835 | } | |
2836 | } | |
2837 | ||
dea3101e JB |
2838 | psli->slistat.mbox_cmd++; |
2839 | evtctr = psli->slistat.mbox_event; | |
2840 | ||
2841 | /* next set own bit for the adapter and copy over command word */ | |
2842 | mb->mbxOwner = OWN_CHIP; | |
2843 | ||
2844 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2845 | /* First copy command data to host SLIM area */ |
4cc2da1d | 2846 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE); |
dea3101e | 2847 | } else { |
9290831f | 2848 | if (mb->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 2849 | /* copy command data into host mbox for cmpl */ |
4cc2da1d | 2850 | lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, |
92d7f7b0 | 2851 | MAILBOX_CMD_SIZE); |
dea3101e JB |
2852 | } |
2853 | ||
2854 | /* First copy mbox command data to HBA SLIM, skip past first | |
2855 | word */ | |
2856 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
2857 | lpfc_memcpy_to_slim(to_slim, &mb->un.varWords[0], | |
2858 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); | |
2859 | ||
2860 | /* Next copy over first word, with mbxOwner set */ | |
2861 | ldata = *((volatile uint32_t *)mb); | |
2862 | to_slim = phba->MBslimaddr; | |
2863 | writel(ldata, to_slim); | |
2864 | readl(to_slim); /* flush */ | |
2865 | ||
2866 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2867 | /* switch over to host mailbox */ | |
2868 | psli->sli_flag |= LPFC_SLI2_ACTIVE; | |
2869 | } | |
2870 | } | |
2871 | ||
2872 | wmb(); | |
dea3101e JB |
2873 | |
2874 | switch (flag) { | |
2875 | case MBX_NOWAIT: | |
09372820 | 2876 | /* Set up reference to mailbox command */ |
dea3101e | 2877 | psli->mbox_active = pmbox; |
09372820 JS |
2878 | /* Interrupt board to do it */ |
2879 | writel(CA_MBATT, phba->CAregaddr); | |
2880 | readl(phba->CAregaddr); /* flush */ | |
2881 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
2882 | break; |
2883 | ||
2884 | case MBX_POLL: | |
09372820 | 2885 | /* Set up null reference to mailbox command */ |
dea3101e | 2886 | psli->mbox_active = NULL; |
09372820 JS |
2887 | /* Interrupt board to do it */ |
2888 | writel(CA_MBATT, phba->CAregaddr); | |
2889 | readl(phba->CAregaddr); /* flush */ | |
2890 | ||
dea3101e JB |
2891 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { |
2892 | /* First read mbox status word */ | |
4cc2da1d | 2893 | word0 = *((volatile uint32_t *)&phba->slim2p->mbx); |
dea3101e JB |
2894 | word0 = le32_to_cpu(word0); |
2895 | } else { | |
2896 | /* First read mbox status word */ | |
2897 | word0 = readl(phba->MBslimaddr); | |
2898 | } | |
2899 | ||
2900 | /* Read the HBA Host Attention Register */ | |
2901 | ha_copy = readl(phba->HAregaddr); | |
09372820 JS |
2902 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, |
2903 | mb->mbxCommand) * | |
2904 | 1000) + jiffies; | |
2905 | i = 0; | |
dea3101e | 2906 | /* Wait for command to complete */ |
41415862 JW |
2907 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
2908 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 2909 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 2910 | if (time_after(jiffies, timeout)) { |
dea3101e | 2911 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 2912 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 2913 | drvr_flag); |
58da1ffb | 2914 | goto out_not_finished; |
dea3101e JB |
2915 | } |
2916 | ||
2917 | /* Check if we took a mbox interrupt while we were | |
2918 | polling */ | |
2919 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
2920 | && (evtctr != psli->slistat.mbox_event)) | |
2921 | break; | |
2922 | ||
09372820 JS |
2923 | if (i++ > 10) { |
2924 | spin_unlock_irqrestore(&phba->hbalock, | |
2925 | drvr_flag); | |
2926 | msleep(1); | |
2927 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
2928 | } | |
dea3101e JB |
2929 | |
2930 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
2931 | /* First copy command data */ | |
4cc2da1d JSEC |
2932 | word0 = *((volatile uint32_t *) |
2933 | &phba->slim2p->mbx); | |
dea3101e JB |
2934 | word0 = le32_to_cpu(word0); |
2935 | if (mb->mbxCommand == MBX_CONFIG_PORT) { | |
2936 | MAILBOX_t *slimmb; | |
2937 | volatile uint32_t slimword0; | |
2938 | /* Check real SLIM for any errors */ | |
2939 | slimword0 = readl(phba->MBslimaddr); | |
2940 | slimmb = (MAILBOX_t *) & slimword0; | |
2941 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
2942 | && slimmb->mbxStatus) { | |
2943 | psli->sli_flag &= | |
2944 | ~LPFC_SLI2_ACTIVE; | |
2945 | word0 = slimword0; | |
2946 | } | |
2947 | } | |
2948 | } else { | |
2949 | /* First copy command data */ | |
2950 | word0 = readl(phba->MBslimaddr); | |
2951 | } | |
2952 | /* Read the HBA Host Attention Register */ | |
2953 | ha_copy = readl(phba->HAregaddr); | |
2954 | } | |
2955 | ||
2956 | if (psli->sli_flag & LPFC_SLI2_ACTIVE) { | |
dea3101e | 2957 | /* copy results back to user */ |
4cc2da1d | 2958 | lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb, |
92d7f7b0 | 2959 | MAILBOX_CMD_SIZE); |
dea3101e JB |
2960 | } else { |
2961 | /* First copy command data */ | |
2962 | lpfc_memcpy_from_slim(mb, phba->MBslimaddr, | |
2963 | MAILBOX_CMD_SIZE); | |
2964 | if ((mb->mbxCommand == MBX_DUMP_MEMORY) && | |
2965 | pmbox->context2) { | |
92d7f7b0 | 2966 | lpfc_memcpy_from_slim((void *)pmbox->context2, |
dea3101e JB |
2967 | phba->MBslimaddr + DMP_RSP_OFFSET, |
2968 | mb->un.varDmp.word_cnt); | |
2969 | } | |
2970 | } | |
2971 | ||
2972 | writel(HA_MBATT, phba->HAregaddr); | |
2973 | readl(phba->HAregaddr); /* flush */ | |
2974 | ||
2975 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
2976 | status = mb->mbxStatus; | |
2977 | } | |
2978 | ||
2e0fef85 JS |
2979 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
2980 | return status; | |
58da1ffb JS |
2981 | |
2982 | out_not_finished: | |
2983 | if (processing_queue) { | |
2984 | pmbox->mb.mbxStatus = MBX_NOT_FINISHED; | |
2985 | lpfc_mbox_cmpl_put(phba, pmbox); | |
2986 | } | |
2987 | return MBX_NOT_FINISHED; | |
dea3101e JB |
2988 | } |
2989 | ||
92d7f7b0 JS |
2990 | /* |
2991 | * Caller needs to hold lock. | |
2992 | */ | |
858c9f6c | 2993 | static void |
92d7f7b0 | 2994 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 2995 | struct lpfc_iocbq *piocb) |
dea3101e JB |
2996 | { |
2997 | /* Insert the caller's iocb in the txq tail for later processing. */ | |
2998 | list_add_tail(&piocb->list, &pring->txq); | |
2999 | pring->txq_cnt++; | |
dea3101e JB |
3000 | } |
3001 | ||
3002 | static struct lpfc_iocbq * | |
3003 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 3004 | struct lpfc_iocbq **piocb) |
dea3101e JB |
3005 | { |
3006 | struct lpfc_iocbq * nextiocb; | |
3007 | ||
3008 | nextiocb = lpfc_sli_ringtx_get(phba, pring); | |
3009 | if (!nextiocb) { | |
3010 | nextiocb = *piocb; | |
3011 | *piocb = NULL; | |
3012 | } | |
3013 | ||
3014 | return nextiocb; | |
3015 | } | |
3016 | ||
92d7f7b0 JS |
3017 | /* |
3018 | * Lockless version of lpfc_sli_issue_iocb. | |
3019 | */ | |
98c9ea5c | 3020 | static int |
92d7f7b0 | 3021 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
3022 | struct lpfc_iocbq *piocb, uint32_t flag) |
3023 | { | |
3024 | struct lpfc_iocbq *nextiocb; | |
3025 | IOCB_t *iocb; | |
3026 | ||
92d7f7b0 JS |
3027 | if (piocb->iocb_cmpl && (!piocb->vport) && |
3028 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
3029 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
3030 | lpfc_printf_log(phba, KERN_ERR, | |
3031 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 3032 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
3033 | piocb->iocb.ulpCommand); |
3034 | dump_stack(); | |
3035 | return IOCB_ERROR; | |
3036 | } | |
3037 | ||
3038 | ||
8d63f375 LV |
3039 | /* If the PCI channel is in offline state, do not post iocbs. */ |
3040 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
3041 | return IOCB_ERROR; | |
3042 | ||
dea3101e JB |
3043 | /* |
3044 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
3045 | */ | |
2e0fef85 | 3046 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
3047 | return IOCB_ERROR; |
3048 | ||
3049 | /* | |
3050 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 3051 | * outstanding event. |
dea3101e | 3052 | */ |
0b727fea | 3053 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
3054 | goto iocb_busy; |
3055 | ||
2e0fef85 | 3056 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 3057 | /* |
2680eeaa | 3058 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
3059 | * can be issued if the link is not up. |
3060 | */ | |
3061 | switch (piocb->iocb.ulpCommand) { | |
3062 | case CMD_QUE_RING_BUF_CN: | |
3063 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
3064 | /* |
3065 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
3066 | * completion, iocb_cmpl MUST be 0. | |
3067 | */ | |
3068 | if (piocb->iocb_cmpl) | |
3069 | piocb->iocb_cmpl = NULL; | |
3070 | /*FALLTHROUGH*/ | |
3071 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
3072 | case CMD_CLOSE_XRI_CN: |
3073 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
3074 | break; |
3075 | default: | |
3076 | goto iocb_busy; | |
3077 | } | |
3078 | ||
3079 | /* | |
3080 | * For FCP commands, we must be in a state where we can process link | |
3081 | * attention events. | |
3082 | */ | |
3083 | } else if (unlikely(pring->ringno == phba->sli.fcp_ring && | |
92d7f7b0 | 3084 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 3085 | goto iocb_busy; |
92d7f7b0 | 3086 | } |
dea3101e | 3087 | |
dea3101e JB |
3088 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
3089 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
3090 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
3091 | ||
3092 | if (iocb) | |
3093 | lpfc_sli_update_ring(phba, pring); | |
3094 | else | |
3095 | lpfc_sli_update_full_ring(phba, pring); | |
3096 | ||
3097 | if (!piocb) | |
3098 | return IOCB_SUCCESS; | |
3099 | ||
3100 | goto out_busy; | |
3101 | ||
3102 | iocb_busy: | |
3103 | pring->stats.iocb_cmd_delay++; | |
3104 | ||
3105 | out_busy: | |
3106 | ||
3107 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 3108 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
3109 | return IOCB_SUCCESS; |
3110 | } | |
3111 | ||
3112 | return IOCB_BUSY; | |
3113 | } | |
3114 | ||
92d7f7b0 JS |
3115 | |
3116 | int | |
3117 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3118 | struct lpfc_iocbq *piocb, uint32_t flag) | |
3119 | { | |
3120 | unsigned long iflags; | |
3121 | int rc; | |
3122 | ||
3123 | spin_lock_irqsave(&phba->hbalock, iflags); | |
3124 | rc = __lpfc_sli_issue_iocb(phba, pring, piocb, flag); | |
3125 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
3126 | ||
3127 | return rc; | |
3128 | } | |
3129 | ||
cf5bf97e JW |
3130 | static int |
3131 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
3132 | { | |
3133 | struct lpfc_sli *psli; | |
3134 | struct lpfc_sli_ring *pring; | |
3135 | ||
3136 | psli = &phba->sli; | |
3137 | ||
3138 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
a4bc3379 JS |
3139 | |
3140 | /* Take some away from the FCP ring */ | |
cf5bf97e JW |
3141 | pring = &psli->ring[psli->fcp_ring]; |
3142 | pring->numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
3143 | pring->numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3144 | pring->numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3145 | pring->numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
3146 | ||
a4bc3379 JS |
3147 | /* and give them to the extra ring */ |
3148 | pring = &psli->ring[psli->extra_ring]; | |
3149 | ||
cf5bf97e JW |
3150 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
3151 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3152 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3153 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
3154 | ||
3155 | /* Setup default profile for this ring */ | |
3156 | pring->iotag_max = 4096; | |
3157 | pring->num_mask = 1; | |
3158 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
3159 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
3160 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
3161 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
3162 | return 0; | |
3163 | } | |
3164 | ||
98c9ea5c | 3165 | static void |
57127f15 JS |
3166 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
3167 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
3168 | { | |
3169 | IOCB_t *icmd; | |
3170 | uint16_t evt_code; | |
3171 | uint16_t temp; | |
3172 | struct temp_event temp_event_data; | |
3173 | struct Scsi_Host *shost; | |
3174 | ||
3175 | icmd = &iocbq->iocb; | |
3176 | evt_code = icmd->un.asyncstat.evt_code; | |
3177 | temp = icmd->ulpContext; | |
3178 | ||
3179 | if ((evt_code != ASYNC_TEMP_WARN) && | |
3180 | (evt_code != ASYNC_TEMP_SAFE)) { | |
3181 | lpfc_printf_log(phba, | |
3182 | KERN_ERR, | |
3183 | LOG_SLI, | |
76bb24ef | 3184 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
57127f15 JS |
3185 | " evt_code 0x%x\n", |
3186 | pring->ringno, | |
3187 | icmd->un.asyncstat.evt_code); | |
3188 | return; | |
3189 | } | |
3190 | temp_event_data.data = (uint32_t)temp; | |
3191 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
3192 | if (evt_code == ASYNC_TEMP_WARN) { | |
3193 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
3194 | lpfc_printf_log(phba, | |
09372820 | 3195 | KERN_ERR, |
57127f15 | 3196 | LOG_TEMP, |
76bb24ef | 3197 | "0347 Adapter is very hot, please take " |
57127f15 JS |
3198 | "corrective action. temperature : %d Celsius\n", |
3199 | temp); | |
3200 | } | |
3201 | if (evt_code == ASYNC_TEMP_SAFE) { | |
3202 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
3203 | lpfc_printf_log(phba, | |
09372820 | 3204 | KERN_ERR, |
57127f15 JS |
3205 | LOG_TEMP, |
3206 | "0340 Adapter temperature is OK now. " | |
3207 | "temperature : %d Celsius\n", | |
3208 | temp); | |
3209 | } | |
3210 | ||
3211 | /* Send temperature change event to applications */ | |
3212 | shost = lpfc_shost_from_vport(phba->pport); | |
3213 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
3214 | sizeof(temp_event_data), (char *) &temp_event_data, | |
3215 | SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); | |
3216 | ||
3217 | } | |
3218 | ||
3219 | ||
dea3101e JB |
3220 | int |
3221 | lpfc_sli_setup(struct lpfc_hba *phba) | |
3222 | { | |
ed957684 | 3223 | int i, totiocbsize = 0; |
dea3101e JB |
3224 | struct lpfc_sli *psli = &phba->sli; |
3225 | struct lpfc_sli_ring *pring; | |
3226 | ||
3227 | psli->num_rings = MAX_CONFIGURED_RINGS; | |
3228 | psli->sli_flag = 0; | |
3229 | psli->fcp_ring = LPFC_FCP_RING; | |
3230 | psli->next_ring = LPFC_FCP_NEXT_RING; | |
a4bc3379 | 3231 | psli->extra_ring = LPFC_EXTRA_RING; |
dea3101e | 3232 | |
604a3e30 JB |
3233 | psli->iocbq_lookup = NULL; |
3234 | psli->iocbq_lookup_len = 0; | |
3235 | psli->last_iotag = 0; | |
3236 | ||
dea3101e JB |
3237 | for (i = 0; i < psli->num_rings; i++) { |
3238 | pring = &psli->ring[i]; | |
3239 | switch (i) { | |
3240 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
3241 | /* numCiocb and numRiocb are used in config_port */ | |
3242 | pring->numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; | |
3243 | pring->numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
3244 | pring->numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
3245 | pring->numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
3246 | pring->numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
3247 | pring->numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
ed957684 | 3248 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3249 | SLI3_IOCB_CMD_SIZE : |
3250 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3251 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3252 | SLI3_IOCB_RSP_SIZE : |
3253 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
3254 | pring->iotag_ctr = 0; |
3255 | pring->iotag_max = | |
92d7f7b0 | 3256 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
3257 | pring->fast_iotag = pring->iotag_max; |
3258 | pring->num_mask = 0; | |
3259 | break; | |
a4bc3379 | 3260 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e JB |
3261 | /* numCiocb and numRiocb are used in config_port */ |
3262 | pring->numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; | |
3263 | pring->numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
ed957684 | 3264 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3265 | SLI3_IOCB_CMD_SIZE : |
3266 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3267 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3268 | SLI3_IOCB_RSP_SIZE : |
3269 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 3270 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
3271 | pring->num_mask = 0; |
3272 | break; | |
3273 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
3274 | /* numCiocb and numRiocb are used in config_port */ | |
3275 | pring->numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; | |
3276 | pring->numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
ed957684 | 3277 | pring->sizeCiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3278 | SLI3_IOCB_CMD_SIZE : |
3279 | SLI2_IOCB_CMD_SIZE; | |
ed957684 | 3280 | pring->sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
3281 | SLI3_IOCB_RSP_SIZE : |
3282 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
3283 | pring->fast_iotag = 0; |
3284 | pring->iotag_ctr = 0; | |
3285 | pring->iotag_max = 4096; | |
57127f15 JS |
3286 | pring->lpfc_sli_rcv_async_status = |
3287 | lpfc_sli_async_event_handler; | |
dea3101e JB |
3288 | pring->num_mask = 4; |
3289 | pring->prt[0].profile = 0; /* Mask 0 */ | |
3290 | pring->prt[0].rctl = FC_ELS_REQ; | |
3291 | pring->prt[0].type = FC_ELS_DATA; | |
3292 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3293 | lpfc_els_unsol_event; |
dea3101e JB |
3294 | pring->prt[1].profile = 0; /* Mask 1 */ |
3295 | pring->prt[1].rctl = FC_ELS_RSP; | |
3296 | pring->prt[1].type = FC_ELS_DATA; | |
3297 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3298 | lpfc_els_unsol_event; |
dea3101e JB |
3299 | pring->prt[2].profile = 0; /* Mask 2 */ |
3300 | /* NameServer Inquiry */ | |
3301 | pring->prt[2].rctl = FC_UNSOL_CTL; | |
3302 | /* NameServer */ | |
3303 | pring->prt[2].type = FC_COMMON_TRANSPORT_ULP; | |
3304 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3305 | lpfc_ct_unsol_event; |
dea3101e JB |
3306 | pring->prt[3].profile = 0; /* Mask 3 */ |
3307 | /* NameServer response */ | |
3308 | pring->prt[3].rctl = FC_SOL_CTL; | |
3309 | /* NameServer */ | |
3310 | pring->prt[3].type = FC_COMMON_TRANSPORT_ULP; | |
3311 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
92d7f7b0 | 3312 | lpfc_ct_unsol_event; |
dea3101e JB |
3313 | break; |
3314 | } | |
ed957684 | 3315 | totiocbsize += (pring->numCiocb * pring->sizeCiocb) + |
92d7f7b0 | 3316 | (pring->numRiocb * pring->sizeRiocb); |
dea3101e | 3317 | } |
ed957684 | 3318 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 3319 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
3320 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
3321 | "SLI2 SLIM Data: x%x x%lx\n", | |
3322 | phba->brd_no, totiocbsize, | |
3323 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 3324 | } |
cf5bf97e JW |
3325 | if (phba->cfg_multi_ring_support == 2) |
3326 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
3327 | |
3328 | return 0; | |
3329 | } | |
3330 | ||
3331 | int | |
2e0fef85 | 3332 | lpfc_sli_queue_setup(struct lpfc_hba *phba) |
dea3101e JB |
3333 | { |
3334 | struct lpfc_sli *psli; | |
3335 | struct lpfc_sli_ring *pring; | |
604a3e30 | 3336 | int i; |
dea3101e JB |
3337 | |
3338 | psli = &phba->sli; | |
2e0fef85 | 3339 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3340 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 3341 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
3342 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
3343 | for (i = 0; i < psli->num_rings; i++) { | |
3344 | pring = &psli->ring[i]; | |
3345 | pring->ringno = i; | |
3346 | pring->next_cmdidx = 0; | |
3347 | pring->local_getidx = 0; | |
3348 | pring->cmdidx = 0; | |
3349 | INIT_LIST_HEAD(&pring->txq); | |
3350 | INIT_LIST_HEAD(&pring->txcmplq); | |
3351 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9c2face6 | 3352 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 3353 | INIT_LIST_HEAD(&pring->postbufq); |
dea3101e | 3354 | } |
2e0fef85 JS |
3355 | spin_unlock_irq(&phba->hbalock); |
3356 | return 1; | |
dea3101e JB |
3357 | } |
3358 | ||
92d7f7b0 JS |
3359 | int |
3360 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
3361 | { | |
858c9f6c | 3362 | LIST_HEAD(completions); |
92d7f7b0 JS |
3363 | struct lpfc_hba *phba = vport->phba; |
3364 | struct lpfc_sli *psli = &phba->sli; | |
3365 | struct lpfc_sli_ring *pring; | |
3366 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
3367 | int i; |
3368 | unsigned long flags = 0; | |
3369 | uint16_t prev_pring_flag; | |
3370 | ||
3371 | lpfc_cleanup_discovery_resources(vport); | |
3372 | ||
3373 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 JS |
3374 | for (i = 0; i < psli->num_rings; i++) { |
3375 | pring = &psli->ring[i]; | |
3376 | prev_pring_flag = pring->flag; | |
858c9f6c JS |
3377 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
3378 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
92d7f7b0 JS |
3379 | /* |
3380 | * Error everything on the txq since these iocbs have not been | |
3381 | * given to the FW yet. | |
3382 | */ | |
92d7f7b0 JS |
3383 | list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) { |
3384 | if (iocb->vport != vport) | |
3385 | continue; | |
858c9f6c | 3386 | list_move_tail(&iocb->list, &completions); |
92d7f7b0 | 3387 | pring->txq_cnt--; |
92d7f7b0 JS |
3388 | } |
3389 | ||
3390 | /* Next issue ABTS for everything on the txcmplq */ | |
3391 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, | |
3392 | list) { | |
3393 | if (iocb->vport != vport) | |
3394 | continue; | |
3395 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3396 | } | |
3397 | ||
3398 | pring->flag = prev_pring_flag; | |
3399 | } | |
3400 | ||
3401 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3402 | ||
858c9f6c JS |
3403 | while (!list_empty(&completions)) { |
3404 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); | |
3405 | ||
3406 | if (!iocb->iocb_cmpl) | |
3407 | lpfc_sli_release_iocbq(phba, iocb); | |
3408 | else { | |
3409 | iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
3410 | iocb->iocb.un.ulpWord[4] = IOERR_SLI_DOWN; | |
3411 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
3412 | } | |
3413 | } | |
92d7f7b0 JS |
3414 | return 1; |
3415 | } | |
3416 | ||
dea3101e | 3417 | int |
2e0fef85 | 3418 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 3419 | { |
2534ba75 | 3420 | LIST_HEAD(completions); |
2e0fef85 | 3421 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 3422 | struct lpfc_sli_ring *pring; |
0ff10d46 | 3423 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 3424 | LPFC_MBOXQ_t *pmb; |
2534ba75 JS |
3425 | struct lpfc_iocbq *iocb; |
3426 | IOCB_t *cmd = NULL; | |
dea3101e JB |
3427 | int i; |
3428 | unsigned long flags = 0; | |
3429 | ||
dea3101e JB |
3430 | lpfc_hba_down_prep(phba); |
3431 | ||
92d7f7b0 JS |
3432 | lpfc_fabric_abort_hba(phba); |
3433 | ||
2e0fef85 | 3434 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e JB |
3435 | for (i = 0; i < psli->num_rings; i++) { |
3436 | pring = &psli->ring[i]; | |
858c9f6c JS |
3437 | if (pring->ringno == LPFC_ELS_RING) /* Only slow rings */ |
3438 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
dea3101e JB |
3439 | |
3440 | /* | |
3441 | * Error everything on the txq since these iocbs have not been | |
3442 | * given to the FW yet. | |
3443 | */ | |
2534ba75 | 3444 | list_splice_init(&pring->txq, &completions); |
dea3101e JB |
3445 | pring->txq_cnt = 0; |
3446 | ||
2534ba75 | 3447 | } |
2e0fef85 | 3448 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 3449 | |
2534ba75 | 3450 | while (!list_empty(&completions)) { |
92d7f7b0 | 3451 | list_remove_head(&completions, iocb, struct lpfc_iocbq, list); |
2534ba75 | 3452 | cmd = &iocb->iocb; |
dea3101e | 3453 | |
2e0fef85 JS |
3454 | if (!iocb->iocb_cmpl) |
3455 | lpfc_sli_release_iocbq(phba, iocb); | |
3456 | else { | |
2534ba75 JS |
3457 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
3458 | cmd->un.ulpWord[4] = IOERR_SLI_DOWN; | |
3459 | (iocb->iocb_cmpl) (phba, iocb, iocb); | |
2e0fef85 | 3460 | } |
dea3101e JB |
3461 | } |
3462 | ||
0ff10d46 JS |
3463 | spin_lock_irqsave(&phba->hbalock, flags); |
3464 | list_splice_init(&phba->elsbuf, &completions); | |
3465 | phba->elsbuf_cnt = 0; | |
3466 | phba->elsbuf_prev_cnt = 0; | |
3467 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3468 | ||
3469 | while (!list_empty(&completions)) { | |
3470 | list_remove_head(&completions, buf_ptr, | |
3471 | struct lpfc_dmabuf, list); | |
3472 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
3473 | kfree(buf_ptr); | |
3474 | } | |
3475 | ||
dea3101e JB |
3476 | /* Return any active mbox cmds */ |
3477 | del_timer_sync(&psli->mbox_tmo); | |
92d7f7b0 | 3478 | spin_lock_irqsave(&phba->hbalock, flags); |
2e0fef85 | 3479 | |
92d7f7b0 | 3480 | spin_lock(&phba->pport->work_port_lock); |
2e0fef85 | 3481 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
92d7f7b0 | 3482 | spin_unlock(&phba->pport->work_port_lock); |
2e0fef85 | 3483 | |
92d7f7b0 JS |
3484 | if (psli->mbox_active) { |
3485 | list_add_tail(&psli->mbox_active->list, &completions); | |
2e0fef85 | 3486 | psli->mbox_active = NULL; |
2e0fef85 | 3487 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
dea3101e | 3488 | } |
dea3101e | 3489 | |
92d7f7b0 JS |
3490 | /* Return any pending or completed mbox cmds */ |
3491 | list_splice_init(&phba->sli.mboxq, &completions); | |
3492 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
3493 | INIT_LIST_HEAD(&psli->mboxq); | |
3494 | INIT_LIST_HEAD(&psli->mboxq_cmpl); | |
3495 | ||
3496 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3497 | ||
3498 | while (!list_empty(&completions)) { | |
3499 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
dea3101e JB |
3500 | pmb->mb.mbxStatus = MBX_NOT_FINISHED; |
3501 | if (pmb->mbox_cmpl) { | |
dea3101e | 3502 | pmb->mbox_cmpl(phba,pmb); |
dea3101e JB |
3503 | } |
3504 | } | |
dea3101e JB |
3505 | return 1; |
3506 | } | |
3507 | ||
3508 | void | |
3509 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
3510 | { | |
3511 | uint32_t *src = srcp; | |
3512 | uint32_t *dest = destp; | |
3513 | uint32_t ldata; | |
3514 | int i; | |
3515 | ||
3516 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
3517 | ldata = *src; | |
3518 | ldata = le32_to_cpu(ldata); | |
3519 | *dest = ldata; | |
3520 | src++; | |
3521 | dest++; | |
3522 | } | |
3523 | } | |
3524 | ||
3525 | int | |
2e0fef85 JS |
3526 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
3527 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
3528 | { |
3529 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
3530 | later */ | |
2e0fef85 | 3531 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3532 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 3533 | pring->postbufq_cnt++; |
2e0fef85 | 3534 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3535 | return 0; |
3536 | } | |
3537 | ||
76bb24ef JS |
3538 | uint32_t |
3539 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
3540 | { | |
3541 | spin_lock_irq(&phba->hbalock); | |
3542 | phba->buffer_tag_count++; | |
3543 | /* | |
3544 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
3545 | * a tag assigned by HBQ. | |
3546 | */ | |
3547 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
3548 | spin_unlock_irq(&phba->hbalock); | |
3549 | return phba->buffer_tag_count; | |
3550 | } | |
3551 | ||
3552 | struct lpfc_dmabuf * | |
3553 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3554 | uint32_t tag) | |
3555 | { | |
3556 | struct lpfc_dmabuf *mp, *next_mp; | |
3557 | struct list_head *slp = &pring->postbufq; | |
3558 | ||
3559 | /* Search postbufq, from the begining, looking for a match on tag */ | |
3560 | spin_lock_irq(&phba->hbalock); | |
3561 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
3562 | if (mp->buffer_tag == tag) { | |
3563 | list_del_init(&mp->list); | |
3564 | pring->postbufq_cnt--; | |
3565 | spin_unlock_irq(&phba->hbalock); | |
3566 | return mp; | |
3567 | } | |
3568 | } | |
3569 | ||
3570 | spin_unlock_irq(&phba->hbalock); | |
3571 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
3572 | "0410 Cannot find virtual addr for buffer tag on " | |
3573 | "ring %d Data x%lx x%p x%p x%x\n", | |
3574 | pring->ringno, (unsigned long) tag, | |
3575 | slp->next, slp->prev, pring->postbufq_cnt); | |
3576 | ||
3577 | return NULL; | |
3578 | } | |
dea3101e JB |
3579 | |
3580 | struct lpfc_dmabuf * | |
3581 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3582 | dma_addr_t phys) | |
3583 | { | |
3584 | struct lpfc_dmabuf *mp, *next_mp; | |
3585 | struct list_head *slp = &pring->postbufq; | |
3586 | ||
3587 | /* Search postbufq, from the begining, looking for a match on phys */ | |
2e0fef85 | 3588 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
3589 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
3590 | if (mp->phys == phys) { | |
3591 | list_del_init(&mp->list); | |
3592 | pring->postbufq_cnt--; | |
2e0fef85 | 3593 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
3594 | return mp; |
3595 | } | |
3596 | } | |
3597 | ||
2e0fef85 | 3598 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 3599 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 3600 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 3601 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 3602 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
3603 | slp->next, slp->prev, pring->postbufq_cnt); |
3604 | return NULL; | |
3605 | } | |
3606 | ||
3607 | static void | |
2e0fef85 JS |
3608 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3609 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 3610 | { |
2e0fef85 | 3611 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 3612 | uint16_t abort_iotag, abort_context; |
92d7f7b0 | 3613 | struct lpfc_iocbq *abort_iocb; |
2680eeaa JS |
3614 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
3615 | ||
3616 | abort_iocb = NULL; | |
2680eeaa JS |
3617 | |
3618 | if (irsp->ulpStatus) { | |
3619 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; | |
3620 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
3621 | ||
2e0fef85 | 3622 | spin_lock_irq(&phba->hbalock); |
2680eeaa JS |
3623 | if (abort_iotag != 0 && abort_iotag <= phba->sli.last_iotag) |
3624 | abort_iocb = phba->sli.iocbq_lookup[abort_iotag]; | |
3625 | ||
92d7f7b0 | 3626 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_SLI, |
e8b62011 | 3627 | "0327 Cannot abort els iocb %p " |
92d7f7b0 JS |
3628 | "with tag %x context %x, abort status %x, " |
3629 | "abort code %x\n", | |
e8b62011 JS |
3630 | abort_iocb, abort_iotag, abort_context, |
3631 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
2680eeaa | 3632 | |
58da1ffb JS |
3633 | /* |
3634 | * If the iocb is not found in Firmware queue the iocb | |
3635 | * might have completed already. Do not free it again. | |
3636 | */ | |
3637 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
3638 | (irsp->un.ulpWord[4] == IOERR_NO_XRI)) { | |
3639 | spin_unlock_irq(&phba->hbalock); | |
3640 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
3641 | return; | |
3642 | } | |
2680eeaa JS |
3643 | /* |
3644 | * make sure we have the right iocbq before taking it | |
3645 | * off the txcmplq and try to call completion routine. | |
3646 | */ | |
2e0fef85 JS |
3647 | if (!abort_iocb || |
3648 | abort_iocb->iocb.ulpContext != abort_context || | |
3649 | (abort_iocb->iocb_flag & LPFC_DRIVER_ABORTED) == 0) | |
3650 | spin_unlock_irq(&phba->hbalock); | |
3651 | else { | |
92d7f7b0 | 3652 | list_del_init(&abort_iocb->list); |
2680eeaa | 3653 | pring->txcmplq_cnt--; |
2e0fef85 | 3654 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 3655 | |
0ff10d46 JS |
3656 | /* Firmware could still be in progress of DMAing |
3657 | * payload, so don't free data buffer till after | |
3658 | * a hbeat. | |
3659 | */ | |
3660 | abort_iocb->iocb_flag |= LPFC_DELAY_MEM_FREE; | |
3661 | ||
92d7f7b0 JS |
3662 | abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; |
3663 | abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
3664 | abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3665 | (abort_iocb->iocb_cmpl)(phba, abort_iocb, abort_iocb); | |
2680eeaa JS |
3666 | } |
3667 | } | |
3668 | ||
604a3e30 | 3669 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
3670 | return; |
3671 | } | |
3672 | ||
92d7f7b0 JS |
3673 | static void |
3674 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
3675 | struct lpfc_iocbq *rspiocb) | |
3676 | { | |
3677 | IOCB_t *irsp = &rspiocb->iocb; | |
3678 | ||
3679 | /* ELS cmd tag <ulpIoTag> completes */ | |
3680 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
e8b62011 | 3681 | "0133 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 3682 | "x%x x%x x%x\n", |
e8b62011 | 3683 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 3684 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
3685 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
3686 | lpfc_ct_free_iocb(phba, cmdiocb); | |
3687 | else | |
3688 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
3689 | return; |
3690 | } | |
3691 | ||
dea3101e | 3692 | int |
2e0fef85 JS |
3693 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
3694 | struct lpfc_iocbq *cmdiocb) | |
dea3101e | 3695 | { |
2e0fef85 | 3696 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 3697 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
3698 | IOCB_t *icmd = NULL; |
3699 | IOCB_t *iabt = NULL; | |
07951076 JS |
3700 | int retval = IOCB_ERROR; |
3701 | ||
92d7f7b0 JS |
3702 | /* |
3703 | * There are certain command types we don't want to abort. And we | |
3704 | * don't want to abort commands that are already in the process of | |
3705 | * being aborted. | |
07951076 JS |
3706 | */ |
3707 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 3708 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
3709 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
3710 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
3711 | return 0; |
3712 | ||
858c9f6c JS |
3713 | /* If we're unloading, don't abort iocb on the ELS ring, but change the |
3714 | * callback so that nothing happens when it finishes. | |
07951076 | 3715 | */ |
858c9f6c JS |
3716 | if ((vport->load_flag & FC_UNLOADING) && |
3717 | (pring->ringno == LPFC_ELS_RING)) { | |
92d7f7b0 JS |
3718 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) |
3719 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
3720 | else | |
3721 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
07951076 | 3722 | goto abort_iotag_exit; |
92d7f7b0 | 3723 | } |
dea3101e JB |
3724 | |
3725 | /* issue ABTS for this IOCB based on iotag */ | |
92d7f7b0 | 3726 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3727 | if (abtsiocbp == NULL) |
3728 | return 0; | |
dea3101e | 3729 | |
07951076 JS |
3730 | /* This signals the response to set the correct status |
3731 | * before calling the completion handler. | |
3732 | */ | |
3733 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
3734 | ||
dea3101e | 3735 | iabt = &abtsiocbp->iocb; |
07951076 JS |
3736 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
3737 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
3738 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
3739 | iabt->ulpLe = 1; | |
3740 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 3741 | |
2e0fef85 | 3742 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
3743 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
3744 | else | |
3745 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 3746 | |
07951076 | 3747 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
5b8bd0c9 | 3748 | |
e8b62011 JS |
3749 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
3750 | "0339 Abort xri x%x, original iotag x%x, " | |
3751 | "abort cmd iotag x%x\n", | |
3752 | iabt->un.acxri.abortContextTag, | |
3753 | iabt->un.acxri.abortIoTag, abtsiocbp->iotag); | |
92d7f7b0 | 3754 | retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0); |
dea3101e | 3755 | |
07951076 | 3756 | abort_iotag_exit: |
2e0fef85 JS |
3757 | /* |
3758 | * Caller to this routine should check for IOCB_ERROR | |
3759 | * and handle it properly. This routine no longer removes | |
3760 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 3761 | */ |
2e0fef85 | 3762 | return retval; |
dea3101e JB |
3763 | } |
3764 | ||
3765 | static int | |
51ef4c26 JS |
3766 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
3767 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 3768 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 3769 | { |
0bd4ca25 JSEC |
3770 | struct lpfc_scsi_buf *lpfc_cmd; |
3771 | struct scsi_cmnd *cmnd; | |
dea3101e JB |
3772 | int rc = 1; |
3773 | ||
0bd4ca25 JSEC |
3774 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
3775 | return rc; | |
3776 | ||
51ef4c26 JS |
3777 | if (iocbq->vport != vport) |
3778 | return rc; | |
3779 | ||
0bd4ca25 JSEC |
3780 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
3781 | cmnd = lpfc_cmd->pCmd; | |
3782 | ||
3783 | if (cmnd == NULL) | |
dea3101e JB |
3784 | return rc; |
3785 | ||
3786 | switch (ctx_cmd) { | |
3787 | case LPFC_CTX_LUN: | |
0bd4ca25 JSEC |
3788 | if ((cmnd->device->id == tgt_id) && |
3789 | (cmnd->device->lun == lun_id)) | |
dea3101e JB |
3790 | rc = 0; |
3791 | break; | |
3792 | case LPFC_CTX_TGT: | |
0bd4ca25 | 3793 | if (cmnd->device->id == tgt_id) |
dea3101e JB |
3794 | rc = 0; |
3795 | break; | |
dea3101e JB |
3796 | case LPFC_CTX_HOST: |
3797 | rc = 0; | |
3798 | break; | |
3799 | default: | |
3800 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
3801 | __FUNCTION__, ctx_cmd); | |
3802 | break; | |
3803 | } | |
3804 | ||
3805 | return rc; | |
3806 | } | |
3807 | ||
3808 | int | |
51ef4c26 JS |
3809 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
3810 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 3811 | { |
51ef4c26 | 3812 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
3813 | struct lpfc_iocbq *iocbq; |
3814 | int sum, i; | |
dea3101e | 3815 | |
0bd4ca25 JSEC |
3816 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
3817 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 3818 | |
51ef4c26 JS |
3819 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
3820 | ctx_cmd) == 0) | |
0bd4ca25 | 3821 | sum++; |
dea3101e | 3822 | } |
0bd4ca25 | 3823 | |
dea3101e JB |
3824 | return sum; |
3825 | } | |
3826 | ||
5eb95af0 | 3827 | void |
2e0fef85 JS |
3828 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3829 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 3830 | { |
604a3e30 | 3831 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
3832 | return; |
3833 | } | |
3834 | ||
dea3101e | 3835 | int |
51ef4c26 JS |
3836 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
3837 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 3838 | { |
51ef4c26 | 3839 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
3840 | struct lpfc_iocbq *iocbq; |
3841 | struct lpfc_iocbq *abtsiocb; | |
dea3101e | 3842 | IOCB_t *cmd = NULL; |
dea3101e | 3843 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 3844 | int i; |
dea3101e | 3845 | |
0bd4ca25 JSEC |
3846 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
3847 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 3848 | |
51ef4c26 | 3849 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 3850 | abort_cmd) != 0) |
dea3101e JB |
3851 | continue; |
3852 | ||
3853 | /* issue ABTS for this IOCB based on iotag */ | |
0bd4ca25 | 3854 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3855 | if (abtsiocb == NULL) { |
3856 | errcnt++; | |
3857 | continue; | |
3858 | } | |
dea3101e | 3859 | |
0bd4ca25 | 3860 | cmd = &iocbq->iocb; |
dea3101e JB |
3861 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
3862 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
3863 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
3864 | abtsiocb->iocb.ulpLe = 1; | |
3865 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
2e0fef85 | 3866 | abtsiocb->vport = phba->pport; |
dea3101e | 3867 | |
2e0fef85 | 3868 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
3869 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
3870 | else | |
3871 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
3872 | ||
5eb95af0 JSEC |
3873 | /* Setup callback routine and issue the command. */ |
3874 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
dea3101e JB |
3875 | ret_val = lpfc_sli_issue_iocb(phba, pring, abtsiocb, 0); |
3876 | if (ret_val == IOCB_ERROR) { | |
604a3e30 | 3877 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
3878 | errcnt++; |
3879 | continue; | |
3880 | } | |
3881 | } | |
3882 | ||
3883 | return errcnt; | |
3884 | } | |
3885 | ||
68876920 JSEC |
3886 | static void |
3887 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
3888 | struct lpfc_iocbq *cmdiocbq, | |
3889 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 3890 | { |
68876920 JSEC |
3891 | wait_queue_head_t *pdone_q; |
3892 | unsigned long iflags; | |
dea3101e | 3893 | |
2e0fef85 | 3894 | spin_lock_irqsave(&phba->hbalock, iflags); |
68876920 JSEC |
3895 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
3896 | if (cmdiocbq->context2 && rspiocbq) | |
3897 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
3898 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
3899 | ||
3900 | pdone_q = cmdiocbq->context_un.wait_queue; | |
68876920 JSEC |
3901 | if (pdone_q) |
3902 | wake_up(pdone_q); | |
858c9f6c | 3903 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
3904 | return; |
3905 | } | |
3906 | ||
68876920 JSEC |
3907 | /* |
3908 | * Issue the caller's iocb and wait for its completion, but no longer than the | |
3909 | * caller's timeout. Note that iocb_flags is cleared before the | |
3910 | * lpfc_sli_issue_call since the wake routine sets a unique value and by | |
3911 | * definition this is a wait function. | |
3912 | */ | |
92d7f7b0 | 3913 | |
dea3101e | 3914 | int |
2e0fef85 JS |
3915 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
3916 | struct lpfc_sli_ring *pring, | |
3917 | struct lpfc_iocbq *piocb, | |
3918 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 3919 | uint32_t timeout) |
dea3101e | 3920 | { |
7259f0d0 | 3921 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
3922 | long timeleft, timeout_req = 0; |
3923 | int retval = IOCB_SUCCESS; | |
875fbdfe | 3924 | uint32_t creg_val; |
dea3101e JB |
3925 | |
3926 | /* | |
68876920 JSEC |
3927 | * If the caller has provided a response iocbq buffer, then context2 |
3928 | * is NULL or its an error. | |
dea3101e | 3929 | */ |
68876920 JSEC |
3930 | if (prspiocbq) { |
3931 | if (piocb->context2) | |
3932 | return IOCB_ERROR; | |
3933 | piocb->context2 = prspiocbq; | |
dea3101e JB |
3934 | } |
3935 | ||
68876920 JSEC |
3936 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
3937 | piocb->context_un.wait_queue = &done_q; | |
3938 | piocb->iocb_flag &= ~LPFC_IO_WAKE; | |
dea3101e | 3939 | |
875fbdfe JSEC |
3940 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3941 | creg_val = readl(phba->HCregaddr); | |
3942 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); | |
3943 | writel(creg_val, phba->HCregaddr); | |
3944 | readl(phba->HCregaddr); /* flush */ | |
3945 | } | |
3946 | ||
68876920 JSEC |
3947 | retval = lpfc_sli_issue_iocb(phba, pring, piocb, 0); |
3948 | if (retval == IOCB_SUCCESS) { | |
3949 | timeout_req = timeout * HZ; | |
68876920 JSEC |
3950 | timeleft = wait_event_timeout(done_q, |
3951 | piocb->iocb_flag & LPFC_IO_WAKE, | |
3952 | timeout_req); | |
dea3101e | 3953 | |
7054a606 JS |
3954 | if (piocb->iocb_flag & LPFC_IO_WAKE) { |
3955 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 3956 | "0331 IOCB wake signaled\n"); |
7054a606 | 3957 | } else if (timeleft == 0) { |
68876920 | 3958 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
3959 | "0338 IOCB wait timeout error - no " |
3960 | "wake response Data x%x\n", timeout); | |
68876920 | 3961 | retval = IOCB_TIMEDOUT; |
7054a606 | 3962 | } else { |
68876920 | 3963 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
3964 | "0330 IOCB wake NOT set, " |
3965 | "Data x%x x%lx\n", | |
68876920 JSEC |
3966 | timeout, (timeleft / jiffies)); |
3967 | retval = IOCB_TIMEDOUT; | |
dea3101e | 3968 | } |
68876920 JSEC |
3969 | } else { |
3970 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 JS |
3971 | ":0332 IOCB wait issue failed, Data x%x\n", |
3972 | retval); | |
68876920 | 3973 | retval = IOCB_ERROR; |
dea3101e JB |
3974 | } |
3975 | ||
875fbdfe JSEC |
3976 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
3977 | creg_val = readl(phba->HCregaddr); | |
3978 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); | |
3979 | writel(creg_val, phba->HCregaddr); | |
3980 | readl(phba->HCregaddr); /* flush */ | |
3981 | } | |
3982 | ||
68876920 JSEC |
3983 | if (prspiocbq) |
3984 | piocb->context2 = NULL; | |
3985 | ||
3986 | piocb->context_un.wait_queue = NULL; | |
3987 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
3988 | return retval; |
3989 | } | |
68876920 | 3990 | |
dea3101e | 3991 | int |
2e0fef85 | 3992 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
3993 | uint32_t timeout) |
3994 | { | |
7259f0d0 | 3995 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
dea3101e | 3996 | int retval; |
858c9f6c | 3997 | unsigned long flag; |
dea3101e JB |
3998 | |
3999 | /* The caller must leave context1 empty. */ | |
98c9ea5c | 4000 | if (pmboxq->context1) |
2e0fef85 | 4001 | return MBX_NOT_FINISHED; |
dea3101e JB |
4002 | |
4003 | /* setup wake call as IOCB callback */ | |
4004 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
4005 | /* setup context field to pass wait_queue pointer to wake function */ | |
4006 | pmboxq->context1 = &done_q; | |
4007 | ||
dea3101e JB |
4008 | /* now issue the command */ |
4009 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
4010 | ||
4011 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { | |
7054a606 JS |
4012 | wait_event_interruptible_timeout(done_q, |
4013 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
4014 | timeout * HZ); | |
4015 | ||
858c9f6c | 4016 | spin_lock_irqsave(&phba->hbalock, flag); |
dea3101e | 4017 | pmboxq->context1 = NULL; |
7054a606 JS |
4018 | /* |
4019 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
4020 | * else do not free the resources. | |
4021 | */ | |
4022 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) | |
dea3101e | 4023 | retval = MBX_SUCCESS; |
858c9f6c | 4024 | else { |
7054a606 | 4025 | retval = MBX_TIMEOUT; |
858c9f6c JS |
4026 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
4027 | } | |
4028 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e JB |
4029 | } |
4030 | ||
dea3101e JB |
4031 | return retval; |
4032 | } | |
4033 | ||
b4c02652 JS |
4034 | int |
4035 | lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba) | |
4036 | { | |
2e0fef85 | 4037 | struct lpfc_vport *vport = phba->pport; |
b4c02652 | 4038 | int i = 0; |
ed957684 | 4039 | uint32_t ha_copy; |
b4c02652 | 4040 | |
2e0fef85 | 4041 | while (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE && !vport->stopped) { |
b4c02652 JS |
4042 | if (i++ > LPFC_MBOX_TMO * 1000) |
4043 | return 1; | |
4044 | ||
ed957684 JS |
4045 | /* |
4046 | * Call lpfc_sli_handle_mb_event only if a mailbox cmd | |
4047 | * did finish. This way we won't get the misleading | |
4048 | * "Stray Mailbox Interrupt" message. | |
4049 | */ | |
4050 | spin_lock_irq(&phba->hbalock); | |
4051 | ha_copy = phba->work_ha; | |
4052 | phba->work_ha &= ~HA_MBATT; | |
4053 | spin_unlock_irq(&phba->hbalock); | |
4054 | ||
4055 | if (ha_copy & HA_MBATT) | |
4056 | if (lpfc_sli_handle_mb_event(phba) == 0) | |
4057 | i = 0; | |
b4c02652 JS |
4058 | |
4059 | msleep(1); | |
4060 | } | |
4061 | ||
4062 | return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0; | |
4063 | } | |
4064 | ||
dea3101e | 4065 | irqreturn_t |
7d12e780 | 4066 | lpfc_intr_handler(int irq, void *dev_id) |
dea3101e | 4067 | { |
2e0fef85 | 4068 | struct lpfc_hba *phba; |
dea3101e JB |
4069 | uint32_t ha_copy; |
4070 | uint32_t work_ha_copy; | |
4071 | unsigned long status; | |
dea3101e JB |
4072 | uint32_t control; |
4073 | ||
92d7f7b0 | 4074 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
4075 | struct lpfc_vport *vport; |
4076 | struct lpfc_nodelist *ndlp; | |
4077 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
4078 | LPFC_MBOXQ_t *pmb; |
4079 | int rc; | |
4080 | ||
dea3101e JB |
4081 | /* |
4082 | * Get the driver's phba structure from the dev_id and | |
4083 | * assume the HBA is not interrupting. | |
4084 | */ | |
4085 | phba = (struct lpfc_hba *) dev_id; | |
4086 | ||
4087 | if (unlikely(!phba)) | |
4088 | return IRQ_NONE; | |
4089 | ||
8d63f375 LV |
4090 | /* If the pci channel is offline, ignore all the interrupts. */ |
4091 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
4092 | return IRQ_NONE; | |
4093 | ||
dea3101e JB |
4094 | phba->sli.slistat.sli_intr++; |
4095 | ||
4096 | /* | |
4097 | * Call the HBA to see if it is interrupting. If not, don't claim | |
4098 | * the interrupt | |
4099 | */ | |
4100 | ||
4101 | /* Ignore all interrupts during initialization. */ | |
2e0fef85 | 4102 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
4103 | return IRQ_NONE; |
4104 | ||
4105 | /* | |
4106 | * Read host attention register to determine interrupt source | |
4107 | * Clear Attention Sources, except Error Attention (to | |
4108 | * preserve status) and Link Attention | |
4109 | */ | |
2e0fef85 | 4110 | spin_lock(&phba->hbalock); |
dea3101e | 4111 | ha_copy = readl(phba->HAregaddr); |
ebdbe65f JS |
4112 | /* If somebody is waiting to handle an eratt don't process it |
4113 | * here. The brdkill function will do this. | |
4114 | */ | |
2e0fef85 | 4115 | if (phba->link_flag & LS_IGNORE_ERATT) |
ebdbe65f | 4116 | ha_copy &= ~HA_ERATT; |
dea3101e JB |
4117 | writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
4118 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 4119 | spin_unlock(&phba->hbalock); |
dea3101e JB |
4120 | |
4121 | if (unlikely(!ha_copy)) | |
4122 | return IRQ_NONE; | |
4123 | ||
4124 | work_ha_copy = ha_copy & phba->work_ha_mask; | |
4125 | ||
4126 | if (unlikely(work_ha_copy)) { | |
4127 | if (work_ha_copy & HA_LATT) { | |
4128 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
4129 | /* | |
4130 | * Turn off Link Attention interrupts | |
4131 | * until CLEAR_LA done | |
4132 | */ | |
2e0fef85 | 4133 | spin_lock(&phba->hbalock); |
dea3101e JB |
4134 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
4135 | control = readl(phba->HCregaddr); | |
4136 | control &= ~HC_LAINT_ENA; | |
4137 | writel(control, phba->HCregaddr); | |
4138 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4139 | spin_unlock(&phba->hbalock); |
dea3101e JB |
4140 | } |
4141 | else | |
4142 | work_ha_copy &= ~HA_LATT; | |
4143 | } | |
4144 | ||
4145 | if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) { | |
858c9f6c JS |
4146 | /* |
4147 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
4148 | * the only slow ring. | |
4149 | */ | |
4150 | status = (work_ha_copy & | |
4151 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
4152 | status >>= (4*LPFC_ELS_RING); | |
4153 | if (status & HA_RXMASK) { | |
4154 | spin_lock(&phba->hbalock); | |
4155 | control = readl(phba->HCregaddr); | |
a58cbd52 JS |
4156 | |
4157 | lpfc_debugfs_slow_ring_trc(phba, | |
4158 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
4159 | control, status, | |
4160 | (uint32_t)phba->sli.slistat.sli_intr); | |
4161 | ||
858c9f6c | 4162 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
4163 | lpfc_debugfs_slow_ring_trc(phba, |
4164 | "ISR Disable ring:" | |
4165 | "pwork:x%x hawork:x%x wait:x%x", | |
4166 | phba->work_ha, work_ha_copy, | |
4167 | (uint32_t)((unsigned long) | |
4168 | phba->work_wait)); | |
4169 | ||
858c9f6c JS |
4170 | control &= |
4171 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
4172 | writel(control, phba->HCregaddr); |
4173 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 4174 | } |
a58cbd52 JS |
4175 | else { |
4176 | lpfc_debugfs_slow_ring_trc(phba, | |
4177 | "ISR slow ring: pwork:" | |
4178 | "x%x hawork:x%x wait:x%x", | |
4179 | phba->work_ha, work_ha_copy, | |
4180 | (uint32_t)((unsigned long) | |
4181 | phba->work_wait)); | |
4182 | } | |
858c9f6c | 4183 | spin_unlock(&phba->hbalock); |
dea3101e JB |
4184 | } |
4185 | } | |
4186 | ||
4187 | if (work_ha_copy & HA_ERATT) { | |
dea3101e JB |
4188 | /* |
4189 | * There was a link/board error. Read the | |
4190 | * status register to retrieve the error event | |
4191 | * and process it. | |
4192 | */ | |
4193 | phba->sli.slistat.err_attn_event++; | |
4194 | /* Save status info */ | |
4195 | phba->work_hs = readl(phba->HSregaddr); | |
4196 | phba->work_status[0] = readl(phba->MBslimaddr + 0xa8); | |
4197 | phba->work_status[1] = readl(phba->MBslimaddr + 0xac); | |
4198 | ||
4199 | /* Clear Chip error bit */ | |
4200 | writel(HA_ERATT, phba->HAregaddr); | |
4201 | readl(phba->HAregaddr); /* flush */ | |
2e0fef85 | 4202 | phba->pport->stopped = 1; |
dea3101e JB |
4203 | } |
4204 | ||
92d7f7b0 JS |
4205 | if ((work_ha_copy & HA_MBATT) && |
4206 | (phba->sli.mbox_active)) { | |
4207 | pmb = phba->sli.mbox_active; | |
4208 | pmbox = &pmb->mb; | |
4209 | mbox = &phba->slim2p->mbx; | |
858c9f6c | 4210 | vport = pmb->vport; |
92d7f7b0 JS |
4211 | |
4212 | /* First check out the status word */ | |
4213 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
4214 | if (pmbox->mbxOwner != OWN_HOST) { | |
4215 | /* | |
4216 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
4217 | * mbxStatus <status> | |
4218 | */ | |
09372820 | 4219 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 4220 | LOG_SLI, |
e8b62011 | 4221 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
4222 | "Interrupt mbxCommand x%x " |
4223 | "mbxStatus x%x\n", | |
e8b62011 | 4224 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
4225 | pmbox->mbxCommand, |
4226 | pmbox->mbxStatus); | |
09372820 JS |
4227 | /* clear mailbox attention bit */ |
4228 | work_ha_copy &= ~HA_MBATT; | |
4229 | } else { | |
4230 | phba->last_completion_time = jiffies; | |
4231 | del_timer(&phba->sli.mbox_tmo); | |
858c9f6c | 4232 | |
09372820 JS |
4233 | phba->sli.mbox_active = NULL; |
4234 | if (pmb->mbox_cmpl) { | |
4235 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
4236 | MAILBOX_CMD_SIZE); | |
4237 | } | |
4238 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
4239 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
4240 | ||
4241 | lpfc_debugfs_disc_trc(vport, | |
4242 | LPFC_DISC_TRC_MBOX_VPORT, | |
4243 | "MBOX dflt rpi: : " | |
4244 | "status:x%x rpi:x%x", | |
4245 | (uint32_t)pmbox->mbxStatus, | |
4246 | pmbox->un.varWords[0], 0); | |
4247 | ||
4248 | if (!pmbox->mbxStatus) { | |
4249 | mp = (struct lpfc_dmabuf *) | |
4250 | (pmb->context1); | |
4251 | ndlp = (struct lpfc_nodelist *) | |
4252 | pmb->context2; | |
4253 | ||
4254 | /* Reg_LOGIN of dflt RPI was | |
4255 | * successful. new lets get | |
4256 | * rid of the RPI using the | |
4257 | * same mbox buffer. | |
4258 | */ | |
4259 | lpfc_unreg_login(phba, | |
4260 | vport->vpi, | |
4261 | pmbox->un.varWords[0], | |
4262 | pmb); | |
4263 | pmb->mbox_cmpl = | |
4264 | lpfc_mbx_cmpl_dflt_rpi; | |
4265 | pmb->context1 = mp; | |
4266 | pmb->context2 = ndlp; | |
4267 | pmb->vport = vport; | |
58da1ffb JS |
4268 | rc = lpfc_sli_issue_mbox(phba, |
4269 | pmb, | |
4270 | MBX_NOWAIT); | |
4271 | if (rc != MBX_BUSY) | |
4272 | lpfc_printf_log(phba, | |
4273 | KERN_ERR, | |
4274 | LOG_MBOX | LOG_SLI, | |
4275 | "0306 rc should have" | |
4276 | "been MBX_BUSY"); | |
09372820 JS |
4277 | goto send_current_mbox; |
4278 | } | |
858c9f6c | 4279 | } |
09372820 JS |
4280 | spin_lock(&phba->pport->work_port_lock); |
4281 | phba->pport->work_port_events &= | |
4282 | ~WORKER_MBOX_TMO; | |
4283 | spin_unlock(&phba->pport->work_port_lock); | |
4284 | lpfc_mbox_cmpl_put(phba, pmb); | |
858c9f6c | 4285 | } |
92d7f7b0 JS |
4286 | } |
4287 | if ((work_ha_copy & HA_MBATT) && | |
4288 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 4289 | send_current_mbox: |
92d7f7b0 | 4290 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
4291 | do { |
4292 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
4293 | MBX_NOWAIT); | |
4294 | } while (rc == MBX_NOT_FINISHED); | |
4295 | if (rc != MBX_SUCCESS) | |
4296 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
4297 | LOG_SLI, "0349 rc should be " | |
4298 | "MBX_SUCCESS"); | |
92d7f7b0 JS |
4299 | } |
4300 | ||
2e0fef85 | 4301 | spin_lock(&phba->hbalock); |
dea3101e JB |
4302 | phba->work_ha |= work_ha_copy; |
4303 | if (phba->work_wait) | |
92d7f7b0 | 4304 | lpfc_worker_wake_up(phba); |
2e0fef85 | 4305 | spin_unlock(&phba->hbalock); |
dea3101e JB |
4306 | } |
4307 | ||
4308 | ha_copy &= ~(phba->work_ha_mask); | |
4309 | ||
4310 | /* | |
4311 | * Process all events on FCP ring. Take the optimized path for | |
4312 | * FCP IO. Any other IO is slow path and is handled by | |
4313 | * the worker thread. | |
4314 | */ | |
4315 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
4316 | status >>= (4*LPFC_FCP_RING); | |
858c9f6c | 4317 | if (status & HA_RXMASK) |
dea3101e JB |
4318 | lpfc_sli_handle_fast_ring_event(phba, |
4319 | &phba->sli.ring[LPFC_FCP_RING], | |
4320 | status); | |
a4bc3379 JS |
4321 | |
4322 | if (phba->cfg_multi_ring_support == 2) { | |
4323 | /* | |
4324 | * Process all events on extra ring. Take the optimized path | |
4325 | * for extra ring IO. Any other IO is slow path and is handled | |
4326 | * by the worker thread. | |
4327 | */ | |
4328 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
4329 | status >>= (4*LPFC_EXTRA_RING); | |
858c9f6c | 4330 | if (status & HA_RXMASK) { |
a4bc3379 JS |
4331 | lpfc_sli_handle_fast_ring_event(phba, |
4332 | &phba->sli.ring[LPFC_EXTRA_RING], | |
4333 | status); | |
4334 | } | |
4335 | } | |
dea3101e JB |
4336 | return IRQ_HANDLED; |
4337 | ||
4338 | } /* lpfc_intr_handler */ |