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f1c3b0fc JS |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
3 | * Fibre Channel Host Bus Adapters. * | |
95df18c2 | 4 | * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * |
4ae2ebde | 5 | * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * |
f25e8e79 | 6 | * Copyright (C) 2009-2015 Emulex. All rights reserved. * |
f1c3b0fc | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
f1c3b0fc JS |
9 | * * |
10 | * This program is free software; you can redistribute it and/or * | |
11 | * modify it under the terms of version 2 of the GNU General * | |
12 | * Public License as published by the Free Software Foundation. * | |
13 | * This program is distributed in the hope that it will be useful. * | |
14 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
15 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
16 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
17 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
18 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
19 | * more details, a copy of which can be found in the file COPYING * | |
20 | * included with this package. * | |
21 | *******************************************************************/ | |
22 | ||
23 | #include <linux/interrupt.h> | |
24 | #include <linux/mempool.h> | |
25 | #include <linux/pci.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
277e76f1 | 27 | #include <linux/delay.h> |
7ad20aa9 | 28 | #include <linux/list.h> |
eb340948 | 29 | #include <linux/bsg-lib.h> |
d2cc9bcd | 30 | #include <linux/vmalloc.h> |
f1c3b0fc JS |
31 | |
32 | #include <scsi/scsi.h> | |
33 | #include <scsi/scsi_host.h> | |
34 | #include <scsi/scsi_transport_fc.h> | |
35 | #include <scsi/scsi_bsg_fc.h> | |
6a9c52cf | 36 | #include <scsi/fc/fc_fs.h> |
f1c3b0fc JS |
37 | |
38 | #include "lpfc_hw4.h" | |
39 | #include "lpfc_hw.h" | |
40 | #include "lpfc_sli.h" | |
41 | #include "lpfc_sli4.h" | |
42 | #include "lpfc_nl.h" | |
4fede78f | 43 | #include "lpfc_bsg.h" |
f1c3b0fc JS |
44 | #include "lpfc_disc.h" |
45 | #include "lpfc_scsi.h" | |
46 | #include "lpfc.h" | |
47 | #include "lpfc_logmsg.h" | |
48 | #include "lpfc_crtn.h" | |
b76f2dc9 | 49 | #include "lpfc_debugfs.h" |
f1c3b0fc JS |
50 | #include "lpfc_vport.h" |
51 | #include "lpfc_version.h" | |
52 | ||
4cc0e56e JS |
53 | struct lpfc_bsg_event { |
54 | struct list_head node; | |
55 | struct kref kref; | |
56 | wait_queue_head_t wq; | |
57 | ||
58 | /* Event type and waiter identifiers */ | |
59 | uint32_t type_mask; | |
60 | uint32_t req_id; | |
61 | uint32_t reg_id; | |
62 | ||
63 | /* next two flags are here for the auto-delete logic */ | |
64 | unsigned long wait_time_stamp; | |
65 | int waiting; | |
66 | ||
67 | /* seen and not seen events */ | |
68 | struct list_head events_to_get; | |
69 | struct list_head events_to_see; | |
70 | ||
a33c4f7b JS |
71 | /* driver data associated with the job */ |
72 | void *dd_data; | |
4cc0e56e JS |
73 | }; |
74 | ||
75 | struct lpfc_bsg_iocb { | |
76 | struct lpfc_iocbq *cmdiocbq; | |
a33c4f7b | 77 | struct lpfc_dmabuf *rmp; |
4cc0e56e | 78 | struct lpfc_nodelist *ndlp; |
4cc0e56e JS |
79 | }; |
80 | ||
3b5dd52a JS |
81 | struct lpfc_bsg_mbox { |
82 | LPFC_MBOXQ_t *pmboxq; | |
83 | MAILBOX_t *mb; | |
7ad20aa9 | 84 | struct lpfc_dmabuf *dmabuffers; /* for BIU diags */ |
7a470277 JS |
85 | uint8_t *ext; /* extended mailbox data */ |
86 | uint32_t mbOffset; /* from app */ | |
87 | uint32_t inExtWLen; /* from app */ | |
c7495937 | 88 | uint32_t outExtWLen; /* from app */ |
3b5dd52a JS |
89 | }; |
90 | ||
e2aed29f JS |
91 | #define MENLO_DID 0x0000FC0E |
92 | ||
93 | struct lpfc_bsg_menlo { | |
94 | struct lpfc_iocbq *cmdiocbq; | |
a33c4f7b | 95 | struct lpfc_dmabuf *rmp; |
e2aed29f JS |
96 | }; |
97 | ||
4cc0e56e JS |
98 | #define TYPE_EVT 1 |
99 | #define TYPE_IOCB 2 | |
3b5dd52a | 100 | #define TYPE_MBOX 3 |
e2aed29f | 101 | #define TYPE_MENLO 4 |
4cc0e56e JS |
102 | struct bsg_job_data { |
103 | uint32_t type; | |
75cc8cfc | 104 | struct bsg_job *set_job; /* job waiting for this iocb to finish */ |
4cc0e56e JS |
105 | union { |
106 | struct lpfc_bsg_event *evt; | |
107 | struct lpfc_bsg_iocb iocb; | |
3b5dd52a | 108 | struct lpfc_bsg_mbox mbox; |
e2aed29f | 109 | struct lpfc_bsg_menlo menlo; |
4cc0e56e JS |
110 | } context_un; |
111 | }; | |
112 | ||
113 | struct event_data { | |
114 | struct list_head node; | |
115 | uint32_t type; | |
116 | uint32_t immed_dat; | |
117 | void *data; | |
118 | uint32_t len; | |
119 | }; | |
120 | ||
3b5dd52a | 121 | #define BUF_SZ_4K 4096 |
4cc0e56e JS |
122 | #define SLI_CT_ELX_LOOPBACK 0x10 |
123 | ||
124 | enum ELX_LOOPBACK_CMD { | |
125 | ELX_LOOPBACK_XRI_SETUP, | |
126 | ELX_LOOPBACK_DATA, | |
127 | }; | |
128 | ||
3b5dd52a JS |
129 | #define ELX_LOOPBACK_HEADER_SZ \ |
130 | (size_t)(&((struct lpfc_sli_ct_request *)NULL)->un) | |
131 | ||
4cc0e56e JS |
132 | struct lpfc_dmabufext { |
133 | struct lpfc_dmabuf dma; | |
134 | uint32_t size; | |
135 | uint32_t flag; | |
136 | }; | |
137 | ||
a33c4f7b JS |
138 | static void |
139 | lpfc_free_bsg_buffers(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist) | |
140 | { | |
141 | struct lpfc_dmabuf *mlast, *next_mlast; | |
142 | ||
143 | if (mlist) { | |
144 | list_for_each_entry_safe(mlast, next_mlast, &mlist->list, | |
145 | list) { | |
146 | lpfc_mbuf_free(phba, mlast->virt, mlast->phys); | |
147 | list_del(&mlast->list); | |
148 | kfree(mlast); | |
149 | } | |
150 | lpfc_mbuf_free(phba, mlist->virt, mlist->phys); | |
151 | kfree(mlist); | |
152 | } | |
153 | return; | |
154 | } | |
155 | ||
156 | static struct lpfc_dmabuf * | |
157 | lpfc_alloc_bsg_buffers(struct lpfc_hba *phba, unsigned int size, | |
158 | int outbound_buffers, struct ulp_bde64 *bpl, | |
159 | int *bpl_entries) | |
160 | { | |
161 | struct lpfc_dmabuf *mlist = NULL; | |
162 | struct lpfc_dmabuf *mp; | |
163 | unsigned int bytes_left = size; | |
164 | ||
165 | /* Verify we can support the size specified */ | |
166 | if (!size || (size > (*bpl_entries * LPFC_BPL_SIZE))) | |
167 | return NULL; | |
168 | ||
169 | /* Determine the number of dma buffers to allocate */ | |
170 | *bpl_entries = (size % LPFC_BPL_SIZE ? size/LPFC_BPL_SIZE + 1 : | |
171 | size/LPFC_BPL_SIZE); | |
172 | ||
173 | /* Allocate dma buffer and place in BPL passed */ | |
174 | while (bytes_left) { | |
175 | /* Allocate dma buffer */ | |
176 | mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
177 | if (!mp) { | |
178 | if (mlist) | |
179 | lpfc_free_bsg_buffers(phba, mlist); | |
180 | return NULL; | |
181 | } | |
182 | ||
183 | INIT_LIST_HEAD(&mp->list); | |
184 | mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys)); | |
185 | ||
186 | if (!mp->virt) { | |
187 | kfree(mp); | |
188 | if (mlist) | |
189 | lpfc_free_bsg_buffers(phba, mlist); | |
190 | return NULL; | |
191 | } | |
192 | ||
193 | /* Queue it to a linked list */ | |
194 | if (!mlist) | |
195 | mlist = mp; | |
196 | else | |
197 | list_add_tail(&mp->list, &mlist->list); | |
198 | ||
199 | /* Add buffer to buffer pointer list */ | |
200 | if (outbound_buffers) | |
201 | bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; | |
202 | else | |
203 | bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; | |
204 | bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys)); | |
205 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys)); | |
206 | bpl->tus.f.bdeSize = (uint16_t) | |
207 | (bytes_left >= LPFC_BPL_SIZE ? LPFC_BPL_SIZE : | |
208 | bytes_left); | |
209 | bytes_left -= bpl->tus.f.bdeSize; | |
210 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
211 | bpl++; | |
212 | } | |
213 | return mlist; | |
214 | } | |
215 | ||
216 | static unsigned int | |
217 | lpfc_bsg_copy_data(struct lpfc_dmabuf *dma_buffers, | |
eb340948 | 218 | struct bsg_buffer *bsg_buffers, |
a33c4f7b JS |
219 | unsigned int bytes_to_transfer, int to_buffers) |
220 | { | |
221 | ||
222 | struct lpfc_dmabuf *mp; | |
223 | unsigned int transfer_bytes, bytes_copied = 0; | |
224 | unsigned int sg_offset, dma_offset; | |
225 | unsigned char *dma_address, *sg_address; | |
a33c4f7b | 226 | LIST_HEAD(temp_list); |
d5ce53b7 JS |
227 | struct sg_mapping_iter miter; |
228 | unsigned long flags; | |
229 | unsigned int sg_flags = SG_MITER_ATOMIC; | |
230 | bool sg_valid; | |
a33c4f7b JS |
231 | |
232 | list_splice_init(&dma_buffers->list, &temp_list); | |
233 | list_add(&dma_buffers->list, &temp_list); | |
234 | sg_offset = 0; | |
d5ce53b7 JS |
235 | if (to_buffers) |
236 | sg_flags |= SG_MITER_FROM_SG; | |
237 | else | |
238 | sg_flags |= SG_MITER_TO_SG; | |
239 | sg_miter_start(&miter, bsg_buffers->sg_list, bsg_buffers->sg_cnt, | |
240 | sg_flags); | |
241 | local_irq_save(flags); | |
242 | sg_valid = sg_miter_next(&miter); | |
a33c4f7b JS |
243 | list_for_each_entry(mp, &temp_list, list) { |
244 | dma_offset = 0; | |
d5ce53b7 | 245 | while (bytes_to_transfer && sg_valid && |
a33c4f7b JS |
246 | (dma_offset < LPFC_BPL_SIZE)) { |
247 | dma_address = mp->virt + dma_offset; | |
248 | if (sg_offset) { | |
249 | /* Continue previous partial transfer of sg */ | |
d5ce53b7 JS |
250 | sg_address = miter.addr + sg_offset; |
251 | transfer_bytes = miter.length - sg_offset; | |
a33c4f7b | 252 | } else { |
d5ce53b7 JS |
253 | sg_address = miter.addr; |
254 | transfer_bytes = miter.length; | |
a33c4f7b JS |
255 | } |
256 | if (bytes_to_transfer < transfer_bytes) | |
257 | transfer_bytes = bytes_to_transfer; | |
258 | if (transfer_bytes > (LPFC_BPL_SIZE - dma_offset)) | |
259 | transfer_bytes = LPFC_BPL_SIZE - dma_offset; | |
260 | if (to_buffers) | |
261 | memcpy(dma_address, sg_address, transfer_bytes); | |
262 | else | |
263 | memcpy(sg_address, dma_address, transfer_bytes); | |
264 | dma_offset += transfer_bytes; | |
265 | sg_offset += transfer_bytes; | |
266 | bytes_to_transfer -= transfer_bytes; | |
267 | bytes_copied += transfer_bytes; | |
d5ce53b7 | 268 | if (sg_offset >= miter.length) { |
a33c4f7b | 269 | sg_offset = 0; |
d5ce53b7 | 270 | sg_valid = sg_miter_next(&miter); |
a33c4f7b JS |
271 | } |
272 | } | |
273 | } | |
d5ce53b7 JS |
274 | sg_miter_stop(&miter); |
275 | local_irq_restore(flags); | |
a33c4f7b JS |
276 | list_del_init(&dma_buffers->list); |
277 | list_splice(&temp_list, &dma_buffers->list); | |
278 | return bytes_copied; | |
279 | } | |
280 | ||
4cc0e56e JS |
281 | /** |
282 | * lpfc_bsg_send_mgmt_cmd_cmp - lpfc_bsg_send_mgmt_cmd's completion handler | |
283 | * @phba: Pointer to HBA context object. | |
284 | * @cmdiocbq: Pointer to command iocb. | |
285 | * @rspiocbq: Pointer to response iocb. | |
286 | * | |
287 | * This function is the completion handler for iocbs issued using | |
288 | * lpfc_bsg_send_mgmt_cmd function. This function is called by the | |
289 | * ring event handler function without any lock held. This function | |
290 | * can be called from both worker thread context and interrupt | |
291 | * context. This function also can be called from another thread which | |
292 | * cleans up the SLI layer objects. | |
293 | * This function copies the contents of the response iocb to the | |
294 | * response iocb memory object provided by the caller of | |
295 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
296 | * sleeps for the iocb completion. | |
297 | **/ | |
298 | static void | |
299 | lpfc_bsg_send_mgmt_cmd_cmp(struct lpfc_hba *phba, | |
300 | struct lpfc_iocbq *cmdiocbq, | |
301 | struct lpfc_iocbq *rspiocbq) | |
302 | { | |
4cc0e56e | 303 | struct bsg_job_data *dd_data; |
75cc8cfc | 304 | struct bsg_job *job; |
01e0e15c | 305 | struct fc_bsg_reply *bsg_reply; |
4cc0e56e | 306 | IOCB_t *rsp; |
a33c4f7b | 307 | struct lpfc_dmabuf *bmp, *cmp, *rmp; |
4cc0e56e JS |
308 | struct lpfc_nodelist *ndlp; |
309 | struct lpfc_bsg_iocb *iocb; | |
310 | unsigned long flags; | |
a33c4f7b | 311 | unsigned int rsp_size; |
4cc0e56e JS |
312 | int rc = 0; |
313 | ||
a33c4f7b JS |
314 | dd_data = cmdiocbq->context1; |
315 | ||
316 | /* Determine if job has been aborted */ | |
4cc0e56e | 317 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
a33c4f7b JS |
318 | job = dd_data->set_job; |
319 | if (job) { | |
01e0e15c | 320 | bsg_reply = job->reply; |
a33c4f7b JS |
321 | /* Prevent timeout handling from trying to abort job */ |
322 | job->dd_data = NULL; | |
4cc0e56e | 323 | } |
a33c4f7b | 324 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
4cc0e56e | 325 | |
b5a9b2df JS |
326 | /* Close the timeout handler abort window */ |
327 | spin_lock_irqsave(&phba->hbalock, flags); | |
1b8d11ab | 328 | cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
329 | spin_unlock_irqrestore(&phba->hbalock, flags); |
330 | ||
4cc0e56e | 331 | iocb = &dd_data->context_un.iocb; |
a33c4f7b JS |
332 | ndlp = iocb->ndlp; |
333 | rmp = iocb->rmp; | |
334 | cmp = cmdiocbq->context2; | |
335 | bmp = cmdiocbq->context3; | |
4cc0e56e | 336 | rsp = &rspiocbq->iocb; |
4cc0e56e | 337 | |
a33c4f7b | 338 | /* Copy the completed data or set the error status */ |
4cc0e56e | 339 | |
a33c4f7b JS |
340 | if (job) { |
341 | if (rsp->ulpStatus) { | |
342 | if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) { | |
343 | switch (rsp->un.ulpWord[4] & IOERR_PARAM_MASK) { | |
344 | case IOERR_SEQUENCE_TIMEOUT: | |
345 | rc = -ETIMEDOUT; | |
346 | break; | |
347 | case IOERR_INVALID_RPI: | |
348 | rc = -EFAULT; | |
349 | break; | |
350 | default: | |
351 | rc = -EACCES; | |
352 | break; | |
353 | } | |
354 | } else { | |
4cc0e56e | 355 | rc = -EACCES; |
4cc0e56e | 356 | } |
a33c4f7b JS |
357 | } else { |
358 | rsp_size = rsp->un.genreq64.bdl.bdeSize; | |
01e0e15c | 359 | bsg_reply->reply_payload_rcv_len = |
a33c4f7b JS |
360 | lpfc_bsg_copy_data(rmp, &job->reply_payload, |
361 | rsp_size, 0); | |
362 | } | |
363 | } | |
4cc0e56e | 364 | |
a33c4f7b JS |
365 | lpfc_free_bsg_buffers(phba, cmp); |
366 | lpfc_free_bsg_buffers(phba, rmp); | |
4cc0e56e | 367 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); |
a33c4f7b | 368 | kfree(bmp); |
4cc0e56e JS |
369 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
370 | lpfc_nlp_put(ndlp); | |
4cc0e56e | 371 | kfree(dd_data); |
a33c4f7b JS |
372 | |
373 | /* Complete the job if the job is still active */ | |
374 | ||
375 | if (job) { | |
01e0e15c | 376 | bsg_reply->result = rc; |
06548160 | 377 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 378 | bsg_reply->reply_payload_rcv_len); |
a33c4f7b | 379 | } |
4cc0e56e JS |
380 | return; |
381 | } | |
382 | ||
f1c3b0fc | 383 | /** |
4cc0e56e | 384 | * lpfc_bsg_send_mgmt_cmd - send a CT command from a bsg request |
f1c3b0fc | 385 | * @job: fc_bsg_job to handle |
3b5dd52a | 386 | **/ |
f1c3b0fc | 387 | static int |
75cc8cfc | 388 | lpfc_bsg_send_mgmt_cmd(struct bsg_job *job) |
f1c3b0fc | 389 | { |
cd21c605 | 390 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
f1c3b0fc | 391 | struct lpfc_hba *phba = vport->phba; |
1d69b122 | 392 | struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data; |
f1c3b0fc | 393 | struct lpfc_nodelist *ndlp = rdata->pnode; |
01e0e15c | 394 | struct fc_bsg_reply *bsg_reply = job->reply; |
f1c3b0fc JS |
395 | struct ulp_bde64 *bpl = NULL; |
396 | uint32_t timeout; | |
397 | struct lpfc_iocbq *cmdiocbq = NULL; | |
f1c3b0fc | 398 | IOCB_t *cmd; |
a33c4f7b | 399 | struct lpfc_dmabuf *bmp = NULL, *cmp = NULL, *rmp = NULL; |
f1c3b0fc JS |
400 | int request_nseg; |
401 | int reply_nseg; | |
4cc0e56e | 402 | struct bsg_job_data *dd_data; |
b5a9b2df | 403 | unsigned long flags; |
4cc0e56e | 404 | uint32_t creg_val; |
f1c3b0fc | 405 | int rc = 0; |
d439d286 | 406 | int iocb_stat; |
f1c3b0fc JS |
407 | |
408 | /* in case no data is transferred */ | |
01e0e15c | 409 | bsg_reply->reply_payload_rcv_len = 0; |
f1c3b0fc | 410 | |
4cc0e56e JS |
411 | /* allocate our bsg tracking structure */ |
412 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
413 | if (!dd_data) { | |
414 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
415 | "2733 Failed allocation of dd_data\n"); | |
416 | rc = -ENOMEM; | |
417 | goto no_dd_data; | |
418 | } | |
419 | ||
f1c3b0fc | 420 | if (!lpfc_nlp_get(ndlp)) { |
4cc0e56e JS |
421 | rc = -ENODEV; |
422 | goto no_ndlp; | |
423 | } | |
424 | ||
f1c3b0fc JS |
425 | if (ndlp->nlp_flag & NLP_ELS_SND_MASK) { |
426 | rc = -ENODEV; | |
a33c4f7b | 427 | goto free_ndlp; |
f1c3b0fc JS |
428 | } |
429 | ||
f1c3b0fc JS |
430 | cmdiocbq = lpfc_sli_get_iocbq(phba); |
431 | if (!cmdiocbq) { | |
432 | rc = -ENOMEM; | |
a33c4f7b | 433 | goto free_ndlp; |
f1c3b0fc | 434 | } |
f1c3b0fc | 435 | |
4cc0e56e | 436 | cmd = &cmdiocbq->iocb; |
a33c4f7b JS |
437 | |
438 | bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
439 | if (!bmp) { | |
440 | rc = -ENOMEM; | |
441 | goto free_cmdiocbq; | |
442 | } | |
f1c3b0fc JS |
443 | bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys); |
444 | if (!bmp->virt) { | |
445 | rc = -ENOMEM; | |
a33c4f7b | 446 | goto free_bmp; |
f1c3b0fc | 447 | } |
f1c3b0fc JS |
448 | |
449 | INIT_LIST_HEAD(&bmp->list); | |
a33c4f7b | 450 | |
f1c3b0fc | 451 | bpl = (struct ulp_bde64 *) bmp->virt; |
a33c4f7b JS |
452 | request_nseg = LPFC_BPL_SIZE/sizeof(struct ulp_bde64); |
453 | cmp = lpfc_alloc_bsg_buffers(phba, job->request_payload.payload_len, | |
454 | 1, bpl, &request_nseg); | |
455 | if (!cmp) { | |
456 | rc = -ENOMEM; | |
457 | goto free_bmp; | |
f1c3b0fc | 458 | } |
a33c4f7b JS |
459 | lpfc_bsg_copy_data(cmp, &job->request_payload, |
460 | job->request_payload.payload_len, 1); | |
f1c3b0fc | 461 | |
a33c4f7b JS |
462 | bpl += request_nseg; |
463 | reply_nseg = LPFC_BPL_SIZE/sizeof(struct ulp_bde64) - request_nseg; | |
464 | rmp = lpfc_alloc_bsg_buffers(phba, job->reply_payload.payload_len, 0, | |
465 | bpl, &reply_nseg); | |
466 | if (!rmp) { | |
467 | rc = -ENOMEM; | |
468 | goto free_cmp; | |
f1c3b0fc JS |
469 | } |
470 | ||
471 | cmd->un.genreq64.bdl.ulpIoTag32 = 0; | |
472 | cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); | |
473 | cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); | |
474 | cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
475 | cmd->un.genreq64.bdl.bdeSize = | |
476 | (request_nseg + reply_nseg) * sizeof(struct ulp_bde64); | |
477 | cmd->ulpCommand = CMD_GEN_REQUEST64_CR; | |
478 | cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); | |
479 | cmd->un.genreq64.w5.hcsw.Dfctl = 0; | |
6a9c52cf JS |
480 | cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; |
481 | cmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT; | |
f1c3b0fc JS |
482 | cmd->ulpBdeCount = 1; |
483 | cmd->ulpLe = 1; | |
484 | cmd->ulpClass = CLASS3; | |
485 | cmd->ulpContext = ndlp->nlp_rpi; | |
6d368e53 JS |
486 | if (phba->sli_rev == LPFC_SLI_REV4) |
487 | cmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; | |
f1c3b0fc JS |
488 | cmd->ulpOwner = OWN_CHIP; |
489 | cmdiocbq->vport = phba->pport; | |
4cc0e56e | 490 | cmdiocbq->context3 = bmp; |
f1c3b0fc | 491 | cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; |
f1c3b0fc | 492 | timeout = phba->fc_ratov * 2; |
4cc0e56e JS |
493 | cmd->ulpTimeout = timeout; |
494 | ||
495 | cmdiocbq->iocb_cmpl = lpfc_bsg_send_mgmt_cmd_cmp; | |
a33c4f7b JS |
496 | cmdiocbq->context1 = dd_data; |
497 | cmdiocbq->context2 = cmp; | |
498 | cmdiocbq->context3 = bmp; | |
d5ce53b7 | 499 | cmdiocbq->context_un.ndlp = ndlp; |
4cc0e56e | 500 | dd_data->type = TYPE_IOCB; |
a33c4f7b | 501 | dd_data->set_job = job; |
4cc0e56e | 502 | dd_data->context_un.iocb.cmdiocbq = cmdiocbq; |
a33c4f7b JS |
503 | dd_data->context_un.iocb.ndlp = ndlp; |
504 | dd_data->context_un.iocb.rmp = rmp; | |
505 | job->dd_data = dd_data; | |
4cc0e56e JS |
506 | |
507 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
9940b97b JS |
508 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
509 | rc = -EIO ; | |
a33c4f7b | 510 | goto free_rmp; |
9940b97b | 511 | } |
4cc0e56e JS |
512 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
513 | writel(creg_val, phba->HCregaddr); | |
514 | readl(phba->HCregaddr); /* flush */ | |
f1c3b0fc JS |
515 | } |
516 | ||
d439d286 | 517 | iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0); |
b5a9b2df JS |
518 | |
519 | if (iocb_stat == IOCB_SUCCESS) { | |
520 | spin_lock_irqsave(&phba->hbalock, flags); | |
521 | /* make sure the I/O had not been completed yet */ | |
522 | if (cmdiocbq->iocb_flag & LPFC_IO_LIBDFC) { | |
523 | /* open up abort window to timeout handler */ | |
1b8d11ab | 524 | cmdiocbq->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
525 | } |
526 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
4cc0e56e | 527 | return 0; /* done for now */ |
b5a9b2df | 528 | } else if (iocb_stat == IOCB_BUSY) { |
d439d286 | 529 | rc = -EAGAIN; |
b5a9b2df | 530 | } else { |
d439d286 | 531 | rc = -EIO; |
b5a9b2df | 532 | } |
2a9bf3d0 | 533 | |
4cc0e56e | 534 | /* iocb failed so cleanup */ |
b5a9b2df | 535 | job->dd_data = NULL; |
f1c3b0fc | 536 | |
a33c4f7b JS |
537 | free_rmp: |
538 | lpfc_free_bsg_buffers(phba, rmp); | |
539 | free_cmp: | |
540 | lpfc_free_bsg_buffers(phba, cmp); | |
4cc0e56e | 541 | free_bmp: |
a33c4f7b JS |
542 | if (bmp->virt) |
543 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); | |
4cc0e56e | 544 | kfree(bmp); |
a33c4f7b JS |
545 | free_cmdiocbq: |
546 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
4cc0e56e | 547 | free_ndlp: |
f1c3b0fc | 548 | lpfc_nlp_put(ndlp); |
4cc0e56e JS |
549 | no_ndlp: |
550 | kfree(dd_data); | |
551 | no_dd_data: | |
552 | /* make error code available to userspace */ | |
01e0e15c | 553 | bsg_reply->result = rc; |
4cc0e56e JS |
554 | job->dd_data = NULL; |
555 | return rc; | |
556 | } | |
557 | ||
558 | /** | |
559 | * lpfc_bsg_rport_els_cmp - lpfc_bsg_rport_els's completion handler | |
560 | * @phba: Pointer to HBA context object. | |
561 | * @cmdiocbq: Pointer to command iocb. | |
562 | * @rspiocbq: Pointer to response iocb. | |
563 | * | |
564 | * This function is the completion handler for iocbs issued using | |
565 | * lpfc_bsg_rport_els_cmp function. This function is called by the | |
566 | * ring event handler function without any lock held. This function | |
567 | * can be called from both worker thread context and interrupt | |
568 | * context. This function also can be called from other thread which | |
569 | * cleans up the SLI layer objects. | |
3b5dd52a | 570 | * This function copies the contents of the response iocb to the |
4cc0e56e JS |
571 | * response iocb memory object provided by the caller of |
572 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
573 | * sleeps for the iocb completion. | |
574 | **/ | |
575 | static void | |
576 | lpfc_bsg_rport_els_cmp(struct lpfc_hba *phba, | |
577 | struct lpfc_iocbq *cmdiocbq, | |
578 | struct lpfc_iocbq *rspiocbq) | |
579 | { | |
580 | struct bsg_job_data *dd_data; | |
75cc8cfc | 581 | struct bsg_job *job; |
01e0e15c | 582 | struct fc_bsg_reply *bsg_reply; |
4cc0e56e JS |
583 | IOCB_t *rsp; |
584 | struct lpfc_nodelist *ndlp; | |
a33c4f7b | 585 | struct lpfc_dmabuf *pcmd = NULL, *prsp = NULL; |
4cc0e56e JS |
586 | struct fc_bsg_ctels_reply *els_reply; |
587 | uint8_t *rjt_data; | |
588 | unsigned long flags; | |
a33c4f7b | 589 | unsigned int rsp_size; |
4cc0e56e JS |
590 | int rc = 0; |
591 | ||
4cc0e56e | 592 | dd_data = cmdiocbq->context1; |
a33c4f7b JS |
593 | ndlp = dd_data->context_un.iocb.ndlp; |
594 | cmdiocbq->context1 = ndlp; | |
4cc0e56e | 595 | |
a33c4f7b JS |
596 | /* Determine if job has been aborted */ |
597 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
598 | job = dd_data->set_job; | |
599 | if (job) { | |
01e0e15c | 600 | bsg_reply = job->reply; |
a33c4f7b JS |
601 | /* Prevent timeout handling from trying to abort job */ |
602 | job->dd_data = NULL; | |
603 | } | |
604 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
4cc0e56e | 605 | |
b5a9b2df JS |
606 | /* Close the timeout handler abort window */ |
607 | spin_lock_irqsave(&phba->hbalock, flags); | |
1b8d11ab | 608 | cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
609 | spin_unlock_irqrestore(&phba->hbalock, flags); |
610 | ||
4cc0e56e | 611 | rsp = &rspiocbq->iocb; |
a33c4f7b JS |
612 | pcmd = (struct lpfc_dmabuf *)cmdiocbq->context2; |
613 | prsp = (struct lpfc_dmabuf *)pcmd->list.next; | |
4cc0e56e | 614 | |
a33c4f7b JS |
615 | /* Copy the completed job data or determine the job status if job is |
616 | * still active | |
617 | */ | |
4cc0e56e | 618 | |
a33c4f7b JS |
619 | if (job) { |
620 | if (rsp->ulpStatus == IOSTAT_SUCCESS) { | |
621 | rsp_size = rsp->un.elsreq64.bdl.bdeSize; | |
01e0e15c | 622 | bsg_reply->reply_payload_rcv_len = |
a33c4f7b JS |
623 | sg_copy_from_buffer(job->reply_payload.sg_list, |
624 | job->reply_payload.sg_cnt, | |
625 | prsp->virt, | |
626 | rsp_size); | |
627 | } else if (rsp->ulpStatus == IOSTAT_LS_RJT) { | |
01e0e15c | 628 | bsg_reply->reply_payload_rcv_len = |
a33c4f7b JS |
629 | sizeof(struct fc_bsg_ctels_reply); |
630 | /* LS_RJT data returned in word 4 */ | |
631 | rjt_data = (uint8_t *)&rsp->un.ulpWord[4]; | |
01e0e15c | 632 | els_reply = &bsg_reply->reply_data.ctels_reply; |
a33c4f7b JS |
633 | els_reply->status = FC_CTELS_STATUS_REJECT; |
634 | els_reply->rjt_data.action = rjt_data[3]; | |
635 | els_reply->rjt_data.reason_code = rjt_data[2]; | |
636 | els_reply->rjt_data.reason_explanation = rjt_data[1]; | |
637 | els_reply->rjt_data.vendor_unique = rjt_data[0]; | |
638 | } else { | |
639 | rc = -EIO; | |
640 | } | |
641 | } | |
f1c3b0fc | 642 | |
4cc0e56e | 643 | lpfc_nlp_put(ndlp); |
a33c4f7b | 644 | lpfc_els_free_iocb(phba, cmdiocbq); |
4cc0e56e | 645 | kfree(dd_data); |
a33c4f7b JS |
646 | |
647 | /* Complete the job if the job is still active */ | |
648 | ||
649 | if (job) { | |
01e0e15c | 650 | bsg_reply->result = rc; |
06548160 | 651 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 652 | bsg_reply->reply_payload_rcv_len); |
a33c4f7b | 653 | } |
4cc0e56e | 654 | return; |
f1c3b0fc JS |
655 | } |
656 | ||
657 | /** | |
658 | * lpfc_bsg_rport_els - send an ELS command from a bsg request | |
659 | * @job: fc_bsg_job to handle | |
3b5dd52a | 660 | **/ |
f1c3b0fc | 661 | static int |
75cc8cfc | 662 | lpfc_bsg_rport_els(struct bsg_job *job) |
f1c3b0fc | 663 | { |
cd21c605 | 664 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
f1c3b0fc | 665 | struct lpfc_hba *phba = vport->phba; |
1d69b122 | 666 | struct lpfc_rport_data *rdata = fc_bsg_to_rport(job)->dd_data; |
f1c3b0fc | 667 | struct lpfc_nodelist *ndlp = rdata->pnode; |
01e0e15c JT |
668 | struct fc_bsg_request *bsg_request = job->request; |
669 | struct fc_bsg_reply *bsg_reply = job->reply; | |
f1c3b0fc JS |
670 | uint32_t elscmd; |
671 | uint32_t cmdsize; | |
f1c3b0fc | 672 | struct lpfc_iocbq *cmdiocbq; |
f1c3b0fc | 673 | uint16_t rpi = 0; |
4cc0e56e | 674 | struct bsg_job_data *dd_data; |
b5a9b2df | 675 | unsigned long flags; |
4cc0e56e | 676 | uint32_t creg_val; |
f1c3b0fc JS |
677 | int rc = 0; |
678 | ||
679 | /* in case no data is transferred */ | |
01e0e15c | 680 | bsg_reply->reply_payload_rcv_len = 0; |
f1c3b0fc | 681 | |
a33c4f7b JS |
682 | /* verify the els command is not greater than the |
683 | * maximum ELS transfer size. | |
684 | */ | |
685 | ||
686 | if (job->request_payload.payload_len > FCELSSIZE) { | |
687 | rc = -EINVAL; | |
688 | goto no_dd_data; | |
689 | } | |
690 | ||
4cc0e56e JS |
691 | /* allocate our bsg tracking structure */ |
692 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
693 | if (!dd_data) { | |
694 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
695 | "2735 Failed allocation of dd_data\n"); | |
696 | rc = -ENOMEM; | |
697 | goto no_dd_data; | |
698 | } | |
699 | ||
01e0e15c | 700 | elscmd = bsg_request->rqst_data.r_els.els_code; |
f1c3b0fc | 701 | cmdsize = job->request_payload.payload_len; |
a33c4f7b JS |
702 | |
703 | if (!lpfc_nlp_get(ndlp)) { | |
704 | rc = -ENODEV; | |
4cc0e56e | 705 | goto free_dd_data; |
f1c3b0fc JS |
706 | } |
707 | ||
a33c4f7b JS |
708 | /* We will use the allocated dma buffers by prep els iocb for command |
709 | * and response to ensure if the job times out and the request is freed, | |
710 | * we won't be dma into memory that is no longer allocated to for the | |
711 | * request. | |
712 | */ | |
f1c3b0fc | 713 | |
4cc0e56e | 714 | cmdiocbq = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, |
f1c3b0fc | 715 | ndlp->nlp_DID, elscmd); |
f1c3b0fc | 716 | if (!cmdiocbq) { |
4cc0e56e | 717 | rc = -EIO; |
a33c4f7b | 718 | goto release_ndlp; |
f1c3b0fc JS |
719 | } |
720 | ||
a33c4f7b JS |
721 | rpi = ndlp->nlp_rpi; |
722 | ||
723 | /* Transfer the request payload to allocated command dma buffer */ | |
724 | ||
725 | sg_copy_to_buffer(job->request_payload.sg_list, | |
726 | job->request_payload.sg_cnt, | |
727 | ((struct lpfc_dmabuf *)cmdiocbq->context2)->virt, | |
728 | cmdsize); | |
f1c3b0fc | 729 | |
3ef6d24c JS |
730 | if (phba->sli_rev == LPFC_SLI_REV4) |
731 | cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi]; | |
732 | else | |
733 | cmdiocbq->iocb.ulpContext = rpi; | |
f1c3b0fc | 734 | cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; |
4cc0e56e | 735 | cmdiocbq->context1 = dd_data; |
93d1379e | 736 | cmdiocbq->context_un.ndlp = ndlp; |
a33c4f7b | 737 | cmdiocbq->iocb_cmpl = lpfc_bsg_rport_els_cmp; |
4cc0e56e | 738 | dd_data->type = TYPE_IOCB; |
a33c4f7b | 739 | dd_data->set_job = job; |
4cc0e56e | 740 | dd_data->context_un.iocb.cmdiocbq = cmdiocbq; |
4cc0e56e | 741 | dd_data->context_un.iocb.ndlp = ndlp; |
a33c4f7b JS |
742 | dd_data->context_un.iocb.rmp = NULL; |
743 | job->dd_data = dd_data; | |
4cc0e56e JS |
744 | |
745 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
9940b97b JS |
746 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
747 | rc = -EIO; | |
748 | goto linkdown_err; | |
749 | } | |
4cc0e56e JS |
750 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
751 | writel(creg_val, phba->HCregaddr); | |
752 | readl(phba->HCregaddr); /* flush */ | |
753 | } | |
a33c4f7b | 754 | |
4cc0e56e | 755 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, 0); |
a33c4f7b | 756 | |
b5a9b2df JS |
757 | if (rc == IOCB_SUCCESS) { |
758 | spin_lock_irqsave(&phba->hbalock, flags); | |
759 | /* make sure the I/O had not been completed/released */ | |
760 | if (cmdiocbq->iocb_flag & LPFC_IO_LIBDFC) { | |
761 | /* open up abort window to timeout handler */ | |
1b8d11ab | 762 | cmdiocbq->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
763 | } |
764 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
4cc0e56e | 765 | return 0; /* done for now */ |
b5a9b2df | 766 | } else if (rc == IOCB_BUSY) { |
d439d286 | 767 | rc = -EAGAIN; |
b5a9b2df | 768 | } else { |
d439d286 | 769 | rc = -EIO; |
b5a9b2df | 770 | } |
f1c3b0fc | 771 | |
b5a9b2df JS |
772 | /* iocb failed so cleanup */ |
773 | job->dd_data = NULL; | |
f1c3b0fc | 774 | |
b5a9b2df | 775 | linkdown_err: |
a33c4f7b JS |
776 | cmdiocbq->context1 = ndlp; |
777 | lpfc_els_free_iocb(phba, cmdiocbq); | |
f1c3b0fc | 778 | |
a33c4f7b JS |
779 | release_ndlp: |
780 | lpfc_nlp_put(ndlp); | |
f1c3b0fc | 781 | |
4cc0e56e JS |
782 | free_dd_data: |
783 | kfree(dd_data); | |
f1c3b0fc | 784 | |
4cc0e56e JS |
785 | no_dd_data: |
786 | /* make error code available to userspace */ | |
01e0e15c | 787 | bsg_reply->result = rc; |
4cc0e56e JS |
788 | job->dd_data = NULL; |
789 | return rc; | |
f1c3b0fc JS |
790 | } |
791 | ||
3b5dd52a JS |
792 | /** |
793 | * lpfc_bsg_event_free - frees an allocated event structure | |
794 | * @kref: Pointer to a kref. | |
795 | * | |
796 | * Called from kref_put. Back cast the kref into an event structure address. | |
797 | * Free any events to get, delete associated nodes, free any events to see, | |
798 | * free any data then free the event itself. | |
799 | **/ | |
f1c3b0fc | 800 | static void |
4cc0e56e | 801 | lpfc_bsg_event_free(struct kref *kref) |
f1c3b0fc | 802 | { |
4cc0e56e JS |
803 | struct lpfc_bsg_event *evt = container_of(kref, struct lpfc_bsg_event, |
804 | kref); | |
f1c3b0fc JS |
805 | struct event_data *ed; |
806 | ||
807 | list_del(&evt->node); | |
808 | ||
809 | while (!list_empty(&evt->events_to_get)) { | |
810 | ed = list_entry(evt->events_to_get.next, typeof(*ed), node); | |
811 | list_del(&ed->node); | |
812 | kfree(ed->data); | |
813 | kfree(ed); | |
814 | } | |
815 | ||
816 | while (!list_empty(&evt->events_to_see)) { | |
817 | ed = list_entry(evt->events_to_see.next, typeof(*ed), node); | |
818 | list_del(&ed->node); | |
819 | kfree(ed->data); | |
820 | kfree(ed); | |
821 | } | |
822 | ||
a33c4f7b | 823 | kfree(evt->dd_data); |
f1c3b0fc JS |
824 | kfree(evt); |
825 | } | |
826 | ||
3b5dd52a JS |
827 | /** |
828 | * lpfc_bsg_event_ref - increments the kref for an event | |
829 | * @evt: Pointer to an event structure. | |
830 | **/ | |
f1c3b0fc | 831 | static inline void |
4cc0e56e | 832 | lpfc_bsg_event_ref(struct lpfc_bsg_event *evt) |
f1c3b0fc | 833 | { |
4cc0e56e | 834 | kref_get(&evt->kref); |
f1c3b0fc JS |
835 | } |
836 | ||
3b5dd52a JS |
837 | /** |
838 | * lpfc_bsg_event_unref - Uses kref_put to free an event structure | |
839 | * @evt: Pointer to an event structure. | |
840 | **/ | |
f1c3b0fc | 841 | static inline void |
4cc0e56e | 842 | lpfc_bsg_event_unref(struct lpfc_bsg_event *evt) |
f1c3b0fc | 843 | { |
4cc0e56e | 844 | kref_put(&evt->kref, lpfc_bsg_event_free); |
f1c3b0fc JS |
845 | } |
846 | ||
3b5dd52a JS |
847 | /** |
848 | * lpfc_bsg_event_new - allocate and initialize a event structure | |
849 | * @ev_mask: Mask of events. | |
850 | * @ev_reg_id: Event reg id. | |
851 | * @ev_req_id: Event request id. | |
852 | **/ | |
4cc0e56e JS |
853 | static struct lpfc_bsg_event * |
854 | lpfc_bsg_event_new(uint32_t ev_mask, int ev_reg_id, uint32_t ev_req_id) | |
855 | { | |
856 | struct lpfc_bsg_event *evt = kzalloc(sizeof(*evt), GFP_KERNEL); | |
f1c3b0fc | 857 | |
4cc0e56e JS |
858 | if (!evt) |
859 | return NULL; | |
860 | ||
861 | INIT_LIST_HEAD(&evt->events_to_get); | |
862 | INIT_LIST_HEAD(&evt->events_to_see); | |
863 | evt->type_mask = ev_mask; | |
864 | evt->req_id = ev_req_id; | |
865 | evt->reg_id = ev_reg_id; | |
866 | evt->wait_time_stamp = jiffies; | |
a33c4f7b | 867 | evt->dd_data = NULL; |
4cc0e56e JS |
868 | init_waitqueue_head(&evt->wq); |
869 | kref_init(&evt->kref); | |
870 | return evt; | |
871 | } | |
872 | ||
3b5dd52a JS |
873 | /** |
874 | * diag_cmd_data_free - Frees an lpfc dma buffer extension | |
875 | * @phba: Pointer to HBA context object. | |
876 | * @mlist: Pointer to an lpfc dma buffer extension. | |
877 | **/ | |
4cc0e56e | 878 | static int |
3b5dd52a | 879 | diag_cmd_data_free(struct lpfc_hba *phba, struct lpfc_dmabufext *mlist) |
4cc0e56e JS |
880 | { |
881 | struct lpfc_dmabufext *mlast; | |
882 | struct pci_dev *pcidev; | |
883 | struct list_head head, *curr, *next; | |
884 | ||
885 | if ((!mlist) || (!lpfc_is_link_up(phba) && | |
886 | (phba->link_flag & LS_LOOPBACK_MODE))) { | |
887 | return 0; | |
888 | } | |
889 | ||
890 | pcidev = phba->pcidev; | |
891 | list_add_tail(&head, &mlist->dma.list); | |
892 | ||
893 | list_for_each_safe(curr, next, &head) { | |
894 | mlast = list_entry(curr, struct lpfc_dmabufext , dma.list); | |
895 | if (mlast->dma.virt) | |
896 | dma_free_coherent(&pcidev->dev, | |
897 | mlast->size, | |
898 | mlast->dma.virt, | |
899 | mlast->dma.phys); | |
900 | kfree(mlast); | |
901 | } | |
902 | return 0; | |
903 | } | |
f1c3b0fc JS |
904 | |
905 | /** | |
906 | * lpfc_bsg_ct_unsol_event - process an unsolicited CT command | |
907 | * @phba: | |
908 | * @pring: | |
909 | * @piocbq: | |
910 | * | |
911 | * This function is called when an unsolicited CT command is received. It | |
4cc0e56e | 912 | * forwards the event to any processes registered to receive CT events. |
3b5dd52a | 913 | **/ |
4fede78f | 914 | int |
f1c3b0fc JS |
915 | lpfc_bsg_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
916 | struct lpfc_iocbq *piocbq) | |
917 | { | |
918 | uint32_t evt_req_id = 0; | |
919 | uint32_t cmd; | |
f1c3b0fc | 920 | struct lpfc_dmabuf *dmabuf = NULL; |
4cc0e56e | 921 | struct lpfc_bsg_event *evt; |
f1c3b0fc JS |
922 | struct event_data *evt_dat = NULL; |
923 | struct lpfc_iocbq *iocbq; | |
924 | size_t offset = 0; | |
925 | struct list_head head; | |
926 | struct ulp_bde64 *bde; | |
927 | dma_addr_t dma_addr; | |
928 | int i; | |
929 | struct lpfc_dmabuf *bdeBuf1 = piocbq->context2; | |
930 | struct lpfc_dmabuf *bdeBuf2 = piocbq->context3; | |
931 | struct lpfc_hbq_entry *hbqe; | |
932 | struct lpfc_sli_ct_request *ct_req; | |
75cc8cfc | 933 | struct bsg_job *job = NULL; |
01e0e15c | 934 | struct fc_bsg_reply *bsg_reply; |
a33c4f7b | 935 | struct bsg_job_data *dd_data = NULL; |
4fede78f | 936 | unsigned long flags; |
4cc0e56e | 937 | int size = 0; |
f1c3b0fc JS |
938 | |
939 | INIT_LIST_HEAD(&head); | |
940 | list_add_tail(&head, &piocbq->list); | |
941 | ||
942 | if (piocbq->iocb.ulpBdeCount == 0 || | |
943 | piocbq->iocb.un.cont64[0].tus.f.bdeSize == 0) | |
944 | goto error_ct_unsol_exit; | |
945 | ||
4cc0e56e JS |
946 | if (phba->link_state == LPFC_HBA_ERROR || |
947 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) | |
948 | goto error_ct_unsol_exit; | |
949 | ||
f1c3b0fc JS |
950 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
951 | dmabuf = bdeBuf1; | |
952 | else { | |
953 | dma_addr = getPaddr(piocbq->iocb.un.cont64[0].addrHigh, | |
954 | piocbq->iocb.un.cont64[0].addrLow); | |
955 | dmabuf = lpfc_sli_ringpostbuf_get(phba, pring, dma_addr); | |
956 | } | |
4cc0e56e JS |
957 | if (dmabuf == NULL) |
958 | goto error_ct_unsol_exit; | |
f1c3b0fc JS |
959 | ct_req = (struct lpfc_sli_ct_request *)dmabuf->virt; |
960 | evt_req_id = ct_req->FsType; | |
961 | cmd = ct_req->CommandResponse.bits.CmdRsp; | |
f1c3b0fc JS |
962 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
963 | lpfc_sli_ringpostbuf_put(phba, pring, dmabuf); | |
964 | ||
4fede78f | 965 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
f1c3b0fc | 966 | list_for_each_entry(evt, &phba->ct_ev_waiters, node) { |
4cc0e56e JS |
967 | if (!(evt->type_mask & FC_REG_CT_EVENT) || |
968 | evt->req_id != evt_req_id) | |
f1c3b0fc JS |
969 | continue; |
970 | ||
4cc0e56e JS |
971 | lpfc_bsg_event_ref(evt); |
972 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
f1c3b0fc | 973 | evt_dat = kzalloc(sizeof(*evt_dat), GFP_KERNEL); |
4cc0e56e JS |
974 | if (evt_dat == NULL) { |
975 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
976 | lpfc_bsg_event_unref(evt); | |
f1c3b0fc JS |
977 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, |
978 | "2614 Memory allocation failed for " | |
979 | "CT event\n"); | |
980 | break; | |
981 | } | |
982 | ||
f1c3b0fc JS |
983 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
984 | /* take accumulated byte count from the last iocbq */ | |
985 | iocbq = list_entry(head.prev, typeof(*iocbq), list); | |
986 | evt_dat->len = iocbq->iocb.unsli3.rcvsli3.acc_len; | |
987 | } else { | |
988 | list_for_each_entry(iocbq, &head, list) { | |
989 | for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) | |
990 | evt_dat->len += | |
991 | iocbq->iocb.un.cont64[i].tus.f.bdeSize; | |
992 | } | |
993 | } | |
994 | ||
995 | evt_dat->data = kzalloc(evt_dat->len, GFP_KERNEL); | |
4cc0e56e | 996 | if (evt_dat->data == NULL) { |
f1c3b0fc JS |
997 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, |
998 | "2615 Memory allocation failed for " | |
999 | "CT event data, size %d\n", | |
1000 | evt_dat->len); | |
1001 | kfree(evt_dat); | |
4fede78f | 1002 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
4cc0e56e | 1003 | lpfc_bsg_event_unref(evt); |
4fede78f | 1004 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1005 | goto error_ct_unsol_exit; |
1006 | } | |
1007 | ||
1008 | list_for_each_entry(iocbq, &head, list) { | |
4cc0e56e | 1009 | size = 0; |
f1c3b0fc JS |
1010 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
1011 | bdeBuf1 = iocbq->context2; | |
1012 | bdeBuf2 = iocbq->context3; | |
1013 | } | |
1014 | for (i = 0; i < iocbq->iocb.ulpBdeCount; i++) { | |
f1c3b0fc JS |
1015 | if (phba->sli3_options & |
1016 | LPFC_SLI3_HBQ_ENABLED) { | |
1017 | if (i == 0) { | |
1018 | hbqe = (struct lpfc_hbq_entry *) | |
1019 | &iocbq->iocb.un.ulpWord[0]; | |
1020 | size = hbqe->bde.tus.f.bdeSize; | |
1021 | dmabuf = bdeBuf1; | |
1022 | } else if (i == 1) { | |
1023 | hbqe = (struct lpfc_hbq_entry *) | |
1024 | &iocbq->iocb.unsli3. | |
1025 | sli3Words[4]; | |
1026 | size = hbqe->bde.tus.f.bdeSize; | |
1027 | dmabuf = bdeBuf2; | |
1028 | } | |
1029 | if ((offset + size) > evt_dat->len) | |
1030 | size = evt_dat->len - offset; | |
1031 | } else { | |
1032 | size = iocbq->iocb.un.cont64[i]. | |
1033 | tus.f.bdeSize; | |
1034 | bde = &iocbq->iocb.un.cont64[i]; | |
1035 | dma_addr = getPaddr(bde->addrHigh, | |
1036 | bde->addrLow); | |
1037 | dmabuf = lpfc_sli_ringpostbuf_get(phba, | |
1038 | pring, dma_addr); | |
1039 | } | |
1040 | if (!dmabuf) { | |
1041 | lpfc_printf_log(phba, KERN_ERR, | |
1042 | LOG_LIBDFC, "2616 No dmabuf " | |
1043 | "found for iocbq 0x%p\n", | |
1044 | iocbq); | |
1045 | kfree(evt_dat->data); | |
1046 | kfree(evt_dat); | |
4fede78f JS |
1047 | spin_lock_irqsave(&phba->ct_ev_lock, |
1048 | flags); | |
4cc0e56e | 1049 | lpfc_bsg_event_unref(evt); |
4fede78f JS |
1050 | spin_unlock_irqrestore( |
1051 | &phba->ct_ev_lock, flags); | |
f1c3b0fc JS |
1052 | goto error_ct_unsol_exit; |
1053 | } | |
1054 | memcpy((char *)(evt_dat->data) + offset, | |
1055 | dmabuf->virt, size); | |
1056 | offset += size; | |
1057 | if (evt_req_id != SLI_CT_ELX_LOOPBACK && | |
1058 | !(phba->sli3_options & | |
1059 | LPFC_SLI3_HBQ_ENABLED)) { | |
1060 | lpfc_sli_ringpostbuf_put(phba, pring, | |
1061 | dmabuf); | |
1062 | } else { | |
1063 | switch (cmd) { | |
4cc0e56e | 1064 | case ELX_LOOPBACK_DATA: |
1b51197d JS |
1065 | if (phba->sli_rev < |
1066 | LPFC_SLI_REV4) | |
1067 | diag_cmd_data_free(phba, | |
1068 | (struct lpfc_dmabufext | |
1069 | *)dmabuf); | |
4cc0e56e | 1070 | break; |
f1c3b0fc | 1071 | case ELX_LOOPBACK_XRI_SETUP: |
4cc0e56e JS |
1072 | if ((phba->sli_rev == |
1073 | LPFC_SLI_REV2) || | |
1074 | (phba->sli3_options & | |
1075 | LPFC_SLI3_HBQ_ENABLED | |
1076 | )) { | |
1077 | lpfc_in_buf_free(phba, | |
1078 | dmabuf); | |
1079 | } else { | |
f1c3b0fc JS |
1080 | lpfc_post_buffer(phba, |
1081 | pring, | |
1082 | 1); | |
4cc0e56e | 1083 | } |
f1c3b0fc JS |
1084 | break; |
1085 | default: | |
1086 | if (!(phba->sli3_options & | |
1087 | LPFC_SLI3_HBQ_ENABLED)) | |
1088 | lpfc_post_buffer(phba, | |
1089 | pring, | |
1090 | 1); | |
1091 | break; | |
1092 | } | |
1093 | } | |
1094 | } | |
1095 | } | |
1096 | ||
4fede78f | 1097 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1098 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1099 | evt_dat->immed_dat = phba->ctx_idx; | |
6dd9e31c | 1100 | phba->ctx_idx = (phba->ctx_idx + 1) % LPFC_CT_CTX_MAX; |
589a52d6 | 1101 | /* Provide warning for over-run of the ct_ctx array */ |
6dd9e31c | 1102 | if (phba->ct_ctx[evt_dat->immed_dat].valid == |
589a52d6 JS |
1103 | UNSOL_VALID) |
1104 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
1105 | "2717 CT context array entry " | |
1106 | "[%d] over-run: oxid:x%x, " | |
1107 | "sid:x%x\n", phba->ctx_idx, | |
1108 | phba->ct_ctx[ | |
1109 | evt_dat->immed_dat].oxid, | |
1110 | phba->ct_ctx[ | |
1111 | evt_dat->immed_dat].SID); | |
7851fe2c JS |
1112 | phba->ct_ctx[evt_dat->immed_dat].rxid = |
1113 | piocbq->iocb.ulpContext; | |
f1c3b0fc | 1114 | phba->ct_ctx[evt_dat->immed_dat].oxid = |
7851fe2c | 1115 | piocbq->iocb.unsli3.rcvsli3.ox_id; |
f1c3b0fc JS |
1116 | phba->ct_ctx[evt_dat->immed_dat].SID = |
1117 | piocbq->iocb.un.rcvels.remoteID; | |
6dd9e31c | 1118 | phba->ct_ctx[evt_dat->immed_dat].valid = UNSOL_VALID; |
f1c3b0fc JS |
1119 | } else |
1120 | evt_dat->immed_dat = piocbq->iocb.ulpContext; | |
1121 | ||
1122 | evt_dat->type = FC_REG_CT_EVENT; | |
1123 | list_add(&evt_dat->node, &evt->events_to_see); | |
4cc0e56e JS |
1124 | if (evt_req_id == SLI_CT_ELX_LOOPBACK) { |
1125 | wake_up_interruptible(&evt->wq); | |
1126 | lpfc_bsg_event_unref(evt); | |
f1c3b0fc | 1127 | break; |
4cc0e56e JS |
1128 | } |
1129 | ||
1130 | list_move(evt->events_to_see.prev, &evt->events_to_get); | |
4cc0e56e | 1131 | |
a33c4f7b JS |
1132 | dd_data = (struct bsg_job_data *)evt->dd_data; |
1133 | job = dd_data->set_job; | |
1134 | dd_data->set_job = NULL; | |
1135 | lpfc_bsg_event_unref(evt); | |
4cc0e56e | 1136 | if (job) { |
01e0e15c JT |
1137 | bsg_reply = job->reply; |
1138 | bsg_reply->reply_payload_rcv_len = size; | |
4cc0e56e | 1139 | /* make error code available to userspace */ |
01e0e15c | 1140 | bsg_reply->result = 0; |
4cc0e56e JS |
1141 | job->dd_data = NULL; |
1142 | /* complete the job back to userspace */ | |
1143 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
06548160 | 1144 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 1145 | bsg_reply->reply_payload_rcv_len); |
4cc0e56e JS |
1146 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
1147 | } | |
f1c3b0fc | 1148 | } |
4fede78f | 1149 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1150 | |
1151 | error_ct_unsol_exit: | |
1152 | if (!list_empty(&head)) | |
1153 | list_del(&head); | |
1b51197d JS |
1154 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
1155 | (evt_req_id == SLI_CT_ELX_LOOPBACK)) | |
4cc0e56e | 1156 | return 0; |
4fede78f | 1157 | return 1; |
f1c3b0fc JS |
1158 | } |
1159 | ||
6dd9e31c JS |
1160 | /** |
1161 | * lpfc_bsg_ct_unsol_abort - handler ct abort to management plane | |
1162 | * @phba: Pointer to HBA context object. | |
1163 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
1164 | * | |
1165 | * This function handles abort to the CT command toward management plane | |
1166 | * for SLI4 port. | |
1167 | * | |
1168 | * If the pending context of a CT command to management plane present, clears | |
1169 | * such context and returns 1 for handled; otherwise, it returns 0 indicating | |
1170 | * no context exists. | |
1171 | **/ | |
1172 | int | |
1173 | lpfc_bsg_ct_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf) | |
1174 | { | |
1175 | struct fc_frame_header fc_hdr; | |
1176 | struct fc_frame_header *fc_hdr_ptr = &fc_hdr; | |
1177 | int ctx_idx, handled = 0; | |
1178 | uint16_t oxid, rxid; | |
1179 | uint32_t sid; | |
1180 | ||
1181 | memcpy(fc_hdr_ptr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
1182 | sid = sli4_sid_from_fc_hdr(fc_hdr_ptr); | |
1183 | oxid = be16_to_cpu(fc_hdr_ptr->fh_ox_id); | |
1184 | rxid = be16_to_cpu(fc_hdr_ptr->fh_rx_id); | |
1185 | ||
1186 | for (ctx_idx = 0; ctx_idx < LPFC_CT_CTX_MAX; ctx_idx++) { | |
1187 | if (phba->ct_ctx[ctx_idx].valid != UNSOL_VALID) | |
1188 | continue; | |
1189 | if (phba->ct_ctx[ctx_idx].rxid != rxid) | |
1190 | continue; | |
1191 | if (phba->ct_ctx[ctx_idx].oxid != oxid) | |
1192 | continue; | |
1193 | if (phba->ct_ctx[ctx_idx].SID != sid) | |
1194 | continue; | |
1195 | phba->ct_ctx[ctx_idx].valid = UNSOL_INVALID; | |
1196 | handled = 1; | |
1197 | } | |
1198 | return handled; | |
1199 | } | |
1200 | ||
f1c3b0fc | 1201 | /** |
4cc0e56e | 1202 | * lpfc_bsg_hba_set_event - process a SET_EVENT bsg vendor command |
f1c3b0fc | 1203 | * @job: SET_EVENT fc_bsg_job |
3b5dd52a | 1204 | **/ |
f1c3b0fc | 1205 | static int |
75cc8cfc | 1206 | lpfc_bsg_hba_set_event(struct bsg_job *job) |
f1c3b0fc | 1207 | { |
cd21c605 | 1208 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
f1c3b0fc | 1209 | struct lpfc_hba *phba = vport->phba; |
01e0e15c | 1210 | struct fc_bsg_request *bsg_request = job->request; |
f1c3b0fc | 1211 | struct set_ct_event *event_req; |
4cc0e56e | 1212 | struct lpfc_bsg_event *evt; |
f1c3b0fc | 1213 | int rc = 0; |
4cc0e56e JS |
1214 | struct bsg_job_data *dd_data = NULL; |
1215 | uint32_t ev_mask; | |
1216 | unsigned long flags; | |
f1c3b0fc JS |
1217 | |
1218 | if (job->request_len < | |
1219 | sizeof(struct fc_bsg_request) + sizeof(struct set_ct_event)) { | |
1220 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1221 | "2612 Received SET_CT_EVENT below minimum " | |
1222 | "size\n"); | |
4cc0e56e JS |
1223 | rc = -EINVAL; |
1224 | goto job_error; | |
1225 | } | |
1226 | ||
f1c3b0fc | 1227 | event_req = (struct set_ct_event *) |
01e0e15c | 1228 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
4cc0e56e JS |
1229 | ev_mask = ((uint32_t)(unsigned long)event_req->type_mask & |
1230 | FC_REG_EVENT_MASK); | |
4fede78f | 1231 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1232 | list_for_each_entry(evt, &phba->ct_ev_waiters, node) { |
1233 | if (evt->reg_id == event_req->ev_reg_id) { | |
4cc0e56e | 1234 | lpfc_bsg_event_ref(evt); |
f1c3b0fc | 1235 | evt->wait_time_stamp = jiffies; |
a33c4f7b | 1236 | dd_data = (struct bsg_job_data *)evt->dd_data; |
f1c3b0fc JS |
1237 | break; |
1238 | } | |
1239 | } | |
4fede78f | 1240 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1241 | |
1242 | if (&evt->node == &phba->ct_ev_waiters) { | |
1243 | /* no event waiting struct yet - first call */ | |
a33c4f7b JS |
1244 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); |
1245 | if (dd_data == NULL) { | |
1246 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1247 | "2734 Failed allocation of dd_data\n"); | |
1248 | rc = -ENOMEM; | |
1249 | goto job_error; | |
1250 | } | |
4cc0e56e | 1251 | evt = lpfc_bsg_event_new(ev_mask, event_req->ev_reg_id, |
f1c3b0fc JS |
1252 | event_req->ev_req_id); |
1253 | if (!evt) { | |
1254 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1255 | "2617 Failed allocation of event " | |
1256 | "waiter\n"); | |
4cc0e56e JS |
1257 | rc = -ENOMEM; |
1258 | goto job_error; | |
f1c3b0fc | 1259 | } |
a33c4f7b JS |
1260 | dd_data->type = TYPE_EVT; |
1261 | dd_data->set_job = NULL; | |
1262 | dd_data->context_un.evt = evt; | |
1263 | evt->dd_data = (void *)dd_data; | |
4fede78f | 1264 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
f1c3b0fc | 1265 | list_add(&evt->node, &phba->ct_ev_waiters); |
4cc0e56e JS |
1266 | lpfc_bsg_event_ref(evt); |
1267 | evt->wait_time_stamp = jiffies; | |
4fede78f | 1268 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
f1c3b0fc JS |
1269 | } |
1270 | ||
4fede78f | 1271 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
4cc0e56e | 1272 | evt->waiting = 1; |
a33c4f7b | 1273 | dd_data->set_job = job; /* for unsolicited command */ |
4cc0e56e | 1274 | job->dd_data = dd_data; /* for fc transport timeout callback*/ |
4fede78f | 1275 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
4cc0e56e | 1276 | return 0; /* call job done later */ |
f1c3b0fc | 1277 | |
4cc0e56e JS |
1278 | job_error: |
1279 | if (dd_data != NULL) | |
1280 | kfree(dd_data); | |
f1c3b0fc | 1281 | |
4cc0e56e JS |
1282 | job->dd_data = NULL; |
1283 | return rc; | |
f1c3b0fc JS |
1284 | } |
1285 | ||
1286 | /** | |
4cc0e56e | 1287 | * lpfc_bsg_hba_get_event - process a GET_EVENT bsg vendor command |
f1c3b0fc | 1288 | * @job: GET_EVENT fc_bsg_job |
3b5dd52a | 1289 | **/ |
f1c3b0fc | 1290 | static int |
75cc8cfc | 1291 | lpfc_bsg_hba_get_event(struct bsg_job *job) |
f1c3b0fc | 1292 | { |
cd21c605 | 1293 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
f1c3b0fc | 1294 | struct lpfc_hba *phba = vport->phba; |
01e0e15c JT |
1295 | struct fc_bsg_request *bsg_request = job->request; |
1296 | struct fc_bsg_reply *bsg_reply = job->reply; | |
f1c3b0fc JS |
1297 | struct get_ct_event *event_req; |
1298 | struct get_ct_event_reply *event_reply; | |
9a803a74 | 1299 | struct lpfc_bsg_event *evt, *evt_next; |
f1c3b0fc | 1300 | struct event_data *evt_dat = NULL; |
4fede78f | 1301 | unsigned long flags; |
4cc0e56e | 1302 | uint32_t rc = 0; |
f1c3b0fc JS |
1303 | |
1304 | if (job->request_len < | |
1305 | sizeof(struct fc_bsg_request) + sizeof(struct get_ct_event)) { | |
1306 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1307 | "2613 Received GET_CT_EVENT request below " | |
1308 | "minimum size\n"); | |
4cc0e56e JS |
1309 | rc = -EINVAL; |
1310 | goto job_error; | |
f1c3b0fc JS |
1311 | } |
1312 | ||
1313 | event_req = (struct get_ct_event *) | |
01e0e15c | 1314 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
f1c3b0fc JS |
1315 | |
1316 | event_reply = (struct get_ct_event_reply *) | |
01e0e15c | 1317 | bsg_reply->reply_data.vendor_reply.vendor_rsp; |
4fede78f | 1318 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
9a803a74 | 1319 | list_for_each_entry_safe(evt, evt_next, &phba->ct_ev_waiters, node) { |
f1c3b0fc JS |
1320 | if (evt->reg_id == event_req->ev_reg_id) { |
1321 | if (list_empty(&evt->events_to_get)) | |
1322 | break; | |
4cc0e56e | 1323 | lpfc_bsg_event_ref(evt); |
f1c3b0fc JS |
1324 | evt->wait_time_stamp = jiffies; |
1325 | evt_dat = list_entry(evt->events_to_get.prev, | |
1326 | struct event_data, node); | |
1327 | list_del(&evt_dat->node); | |
1328 | break; | |
1329 | } | |
1330 | } | |
4fede78f | 1331 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
f1c3b0fc | 1332 | |
4cc0e56e JS |
1333 | /* The app may continue to ask for event data until it gets |
1334 | * an error indicating that there isn't anymore | |
1335 | */ | |
1336 | if (evt_dat == NULL) { | |
01e0e15c | 1337 | bsg_reply->reply_payload_rcv_len = 0; |
f1c3b0fc | 1338 | rc = -ENOENT; |
4cc0e56e | 1339 | goto job_error; |
f1c3b0fc JS |
1340 | } |
1341 | ||
4cc0e56e JS |
1342 | if (evt_dat->len > job->request_payload.payload_len) { |
1343 | evt_dat->len = job->request_payload.payload_len; | |
1344 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1345 | "2618 Truncated event data at %d " | |
1346 | "bytes\n", | |
1347 | job->request_payload.payload_len); | |
f1c3b0fc JS |
1348 | } |
1349 | ||
4cc0e56e | 1350 | event_reply->type = evt_dat->type; |
f1c3b0fc | 1351 | event_reply->immed_data = evt_dat->immed_dat; |
f1c3b0fc | 1352 | if (evt_dat->len > 0) |
01e0e15c | 1353 | bsg_reply->reply_payload_rcv_len = |
4cc0e56e JS |
1354 | sg_copy_from_buffer(job->request_payload.sg_list, |
1355 | job->request_payload.sg_cnt, | |
f1c3b0fc JS |
1356 | evt_dat->data, evt_dat->len); |
1357 | else | |
01e0e15c | 1358 | bsg_reply->reply_payload_rcv_len = 0; |
f1c3b0fc | 1359 | |
4cc0e56e | 1360 | if (evt_dat) { |
f1c3b0fc | 1361 | kfree(evt_dat->data); |
4cc0e56e JS |
1362 | kfree(evt_dat); |
1363 | } | |
1364 | ||
4fede78f | 1365 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
4cc0e56e | 1366 | lpfc_bsg_event_unref(evt); |
4fede78f | 1367 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
4cc0e56e | 1368 | job->dd_data = NULL; |
01e0e15c | 1369 | bsg_reply->result = 0; |
06548160 | 1370 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 1371 | bsg_reply->reply_payload_rcv_len); |
4cc0e56e | 1372 | return 0; |
f1c3b0fc | 1373 | |
4cc0e56e JS |
1374 | job_error: |
1375 | job->dd_data = NULL; | |
01e0e15c | 1376 | bsg_reply->result = rc; |
f1c3b0fc JS |
1377 | return rc; |
1378 | } | |
1379 | ||
1380 | /** | |
3b5dd52a JS |
1381 | * lpfc_issue_ct_rsp_cmp - lpfc_issue_ct_rsp's completion handler |
1382 | * @phba: Pointer to HBA context object. | |
1383 | * @cmdiocbq: Pointer to command iocb. | |
1384 | * @rspiocbq: Pointer to response iocb. | |
1385 | * | |
1386 | * This function is the completion handler for iocbs issued using | |
1387 | * lpfc_issue_ct_rsp_cmp function. This function is called by the | |
1388 | * ring event handler function without any lock held. This function | |
1389 | * can be called from both worker thread context and interrupt | |
1390 | * context. This function also can be called from other thread which | |
1391 | * cleans up the SLI layer objects. | |
1392 | * This function copy the contents of the response iocb to the | |
1393 | * response iocb memory object provided by the caller of | |
1394 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
1395 | * sleeps for the iocb completion. | |
1396 | **/ | |
1397 | static void | |
1398 | lpfc_issue_ct_rsp_cmp(struct lpfc_hba *phba, | |
1399 | struct lpfc_iocbq *cmdiocbq, | |
1400 | struct lpfc_iocbq *rspiocbq) | |
1401 | { | |
1402 | struct bsg_job_data *dd_data; | |
75cc8cfc | 1403 | struct bsg_job *job; |
01e0e15c | 1404 | struct fc_bsg_reply *bsg_reply; |
3b5dd52a | 1405 | IOCB_t *rsp; |
a33c4f7b | 1406 | struct lpfc_dmabuf *bmp, *cmp; |
3b5dd52a JS |
1407 | struct lpfc_nodelist *ndlp; |
1408 | unsigned long flags; | |
1409 | int rc = 0; | |
1410 | ||
a33c4f7b JS |
1411 | dd_data = cmdiocbq->context1; |
1412 | ||
1413 | /* Determine if job has been aborted */ | |
3b5dd52a | 1414 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
a33c4f7b JS |
1415 | job = dd_data->set_job; |
1416 | if (job) { | |
1417 | /* Prevent timeout handling from trying to abort job */ | |
1418 | job->dd_data = NULL; | |
3b5dd52a | 1419 | } |
a33c4f7b | 1420 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
3b5dd52a | 1421 | |
b5a9b2df JS |
1422 | /* Close the timeout handler abort window */ |
1423 | spin_lock_irqsave(&phba->hbalock, flags); | |
1b8d11ab | 1424 | cmdiocbq->iocb_flag &= ~LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
1425 | spin_unlock_irqrestore(&phba->hbalock, flags); |
1426 | ||
3b5dd52a | 1427 | ndlp = dd_data->context_un.iocb.ndlp; |
a33c4f7b JS |
1428 | cmp = cmdiocbq->context2; |
1429 | bmp = cmdiocbq->context3; | |
1430 | rsp = &rspiocbq->iocb; | |
3b5dd52a | 1431 | |
a33c4f7b | 1432 | /* Copy the completed job data or set the error status */ |
3b5dd52a | 1433 | |
a33c4f7b | 1434 | if (job) { |
01e0e15c | 1435 | bsg_reply = job->reply; |
a33c4f7b JS |
1436 | if (rsp->ulpStatus) { |
1437 | if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) { | |
1438 | switch (rsp->un.ulpWord[4] & IOERR_PARAM_MASK) { | |
1439 | case IOERR_SEQUENCE_TIMEOUT: | |
1440 | rc = -ETIMEDOUT; | |
1441 | break; | |
1442 | case IOERR_INVALID_RPI: | |
1443 | rc = -EFAULT; | |
1444 | break; | |
1445 | default: | |
1446 | rc = -EACCES; | |
1447 | break; | |
1448 | } | |
1449 | } else { | |
3b5dd52a | 1450 | rc = -EACCES; |
3b5dd52a | 1451 | } |
a33c4f7b | 1452 | } else { |
01e0e15c | 1453 | bsg_reply->reply_payload_rcv_len = 0; |
a33c4f7b JS |
1454 | } |
1455 | } | |
3b5dd52a | 1456 | |
a33c4f7b | 1457 | lpfc_free_bsg_buffers(phba, cmp); |
3b5dd52a | 1458 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); |
a33c4f7b | 1459 | kfree(bmp); |
3b5dd52a JS |
1460 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
1461 | lpfc_nlp_put(ndlp); | |
3b5dd52a | 1462 | kfree(dd_data); |
a33c4f7b JS |
1463 | |
1464 | /* Complete the job if the job is still active */ | |
1465 | ||
1466 | if (job) { | |
01e0e15c | 1467 | bsg_reply->result = rc; |
06548160 | 1468 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 1469 | bsg_reply->reply_payload_rcv_len); |
a33c4f7b | 1470 | } |
3b5dd52a JS |
1471 | return; |
1472 | } | |
1473 | ||
1474 | /** | |
1475 | * lpfc_issue_ct_rsp - issue a ct response | |
1476 | * @phba: Pointer to HBA context object. | |
1477 | * @job: Pointer to the job object. | |
1478 | * @tag: tag index value into the ports context exchange array. | |
1479 | * @bmp: Pointer to a dma buffer descriptor. | |
1480 | * @num_entry: Number of enties in the bde. | |
1481 | **/ | |
f1c3b0fc | 1482 | static int |
75cc8cfc | 1483 | lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct bsg_job *job, uint32_t tag, |
a33c4f7b JS |
1484 | struct lpfc_dmabuf *cmp, struct lpfc_dmabuf *bmp, |
1485 | int num_entry) | |
f1c3b0fc | 1486 | { |
3b5dd52a JS |
1487 | IOCB_t *icmd; |
1488 | struct lpfc_iocbq *ctiocb = NULL; | |
1489 | int rc = 0; | |
1490 | struct lpfc_nodelist *ndlp = NULL; | |
1491 | struct bsg_job_data *dd_data; | |
b5a9b2df | 1492 | unsigned long flags; |
3b5dd52a | 1493 | uint32_t creg_val; |
f1c3b0fc | 1494 | |
3b5dd52a JS |
1495 | /* allocate our bsg tracking structure */ |
1496 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
1497 | if (!dd_data) { | |
1498 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
1499 | "2736 Failed allocation of dd_data\n"); | |
1500 | rc = -ENOMEM; | |
1501 | goto no_dd_data; | |
1502 | } | |
f1c3b0fc | 1503 | |
3b5dd52a JS |
1504 | /* Allocate buffer for command iocb */ |
1505 | ctiocb = lpfc_sli_get_iocbq(phba); | |
1506 | if (!ctiocb) { | |
d439d286 | 1507 | rc = -ENOMEM; |
3b5dd52a JS |
1508 | goto no_ctiocb; |
1509 | } | |
1510 | ||
1511 | icmd = &ctiocb->iocb; | |
1512 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; | |
1513 | icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(bmp->phys); | |
1514 | icmd->un.xseq64.bdl.addrLow = putPaddrLow(bmp->phys); | |
1515 | icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
1516 | icmd->un.xseq64.bdl.bdeSize = (num_entry * sizeof(struct ulp_bde64)); | |
1517 | icmd->un.xseq64.w5.hcsw.Fctl = (LS | LA); | |
1518 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; | |
1519 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_SOL_CTL; | |
1520 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; | |
1521 | ||
1522 | /* Fill in rest of iocb */ | |
1523 | icmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; | |
1524 | icmd->ulpBdeCount = 1; | |
1525 | icmd->ulpLe = 1; | |
1526 | icmd->ulpClass = CLASS3; | |
1527 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
1528 | /* Do not issue unsol response if oxid not marked as valid */ | |
6dd9e31c | 1529 | if (phba->ct_ctx[tag].valid != UNSOL_VALID) { |
3b5dd52a JS |
1530 | rc = IOCB_ERROR; |
1531 | goto issue_ct_rsp_exit; | |
1532 | } | |
7851fe2c JS |
1533 | icmd->ulpContext = phba->ct_ctx[tag].rxid; |
1534 | icmd->unsli3.rcvsli3.ox_id = phba->ct_ctx[tag].oxid; | |
3b5dd52a JS |
1535 | ndlp = lpfc_findnode_did(phba->pport, phba->ct_ctx[tag].SID); |
1536 | if (!ndlp) { | |
1537 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
1538 | "2721 ndlp null for oxid %x SID %x\n", | |
1539 | icmd->ulpContext, | |
1540 | phba->ct_ctx[tag].SID); | |
1541 | rc = IOCB_ERROR; | |
1542 | goto issue_ct_rsp_exit; | |
1543 | } | |
589a52d6 JS |
1544 | |
1545 | /* Check if the ndlp is active */ | |
1546 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { | |
a33c4f7b | 1547 | rc = IOCB_ERROR; |
589a52d6 JS |
1548 | goto issue_ct_rsp_exit; |
1549 | } | |
1550 | ||
1551 | /* get a refernece count so the ndlp doesn't go away while | |
1552 | * we respond | |
1553 | */ | |
1554 | if (!lpfc_nlp_get(ndlp)) { | |
a33c4f7b | 1555 | rc = IOCB_ERROR; |
589a52d6 JS |
1556 | goto issue_ct_rsp_exit; |
1557 | } | |
1558 | ||
7851fe2c | 1559 | icmd->un.ulpWord[3] = |
6d368e53 JS |
1560 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
1561 | ||
3b5dd52a | 1562 | /* The exchange is done, mark the entry as invalid */ |
6dd9e31c | 1563 | phba->ct_ctx[tag].valid = UNSOL_INVALID; |
3b5dd52a JS |
1564 | } else |
1565 | icmd->ulpContext = (ushort) tag; | |
1566 | ||
1567 | icmd->ulpTimeout = phba->fc_ratov * 2; | |
1568 | ||
1569 | /* Xmit CT response on exchange <xid> */ | |
1570 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
7851fe2c JS |
1571 | "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n", |
1572 | icmd->ulpContext, icmd->ulpIoTag, tag, phba->link_state); | |
3b5dd52a JS |
1573 | |
1574 | ctiocb->iocb_cmpl = NULL; | |
1575 | ctiocb->iocb_flag |= LPFC_IO_LIBDFC; | |
1576 | ctiocb->vport = phba->pport; | |
a33c4f7b JS |
1577 | ctiocb->context1 = dd_data; |
1578 | ctiocb->context2 = cmp; | |
3b5dd52a | 1579 | ctiocb->context3 = bmp; |
d5ce53b7 | 1580 | ctiocb->context_un.ndlp = ndlp; |
3b5dd52a | 1581 | ctiocb->iocb_cmpl = lpfc_issue_ct_rsp_cmp; |
a33c4f7b | 1582 | |
3b5dd52a | 1583 | dd_data->type = TYPE_IOCB; |
a33c4f7b | 1584 | dd_data->set_job = job; |
3b5dd52a | 1585 | dd_data->context_un.iocb.cmdiocbq = ctiocb; |
3b5dd52a | 1586 | dd_data->context_un.iocb.ndlp = ndlp; |
a33c4f7b JS |
1587 | dd_data->context_un.iocb.rmp = NULL; |
1588 | job->dd_data = dd_data; | |
3b5dd52a JS |
1589 | |
1590 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { | |
9940b97b JS |
1591 | if (lpfc_readl(phba->HCregaddr, &creg_val)) { |
1592 | rc = -IOCB_ERROR; | |
1593 | goto issue_ct_rsp_exit; | |
1594 | } | |
3b5dd52a JS |
1595 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
1596 | writel(creg_val, phba->HCregaddr); | |
1597 | readl(phba->HCregaddr); /* flush */ | |
f1c3b0fc | 1598 | } |
4cc0e56e | 1599 | |
3b5dd52a JS |
1600 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); |
1601 | ||
b5a9b2df JS |
1602 | if (rc == IOCB_SUCCESS) { |
1603 | spin_lock_irqsave(&phba->hbalock, flags); | |
1604 | /* make sure the I/O had not been completed/released */ | |
1605 | if (ctiocb->iocb_flag & LPFC_IO_LIBDFC) { | |
1606 | /* open up abort window to timeout handler */ | |
1b8d11ab | 1607 | ctiocb->iocb_flag |= LPFC_IO_CMD_OUTSTANDING; |
b5a9b2df JS |
1608 | } |
1609 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
3b5dd52a | 1610 | return 0; /* done for now */ |
b5a9b2df JS |
1611 | } |
1612 | ||
1613 | /* iocb failed so cleanup */ | |
1614 | job->dd_data = NULL; | |
3b5dd52a JS |
1615 | |
1616 | issue_ct_rsp_exit: | |
1617 | lpfc_sli_release_iocbq(phba, ctiocb); | |
1618 | no_ctiocb: | |
1619 | kfree(dd_data); | |
1620 | no_dd_data: | |
4cc0e56e | 1621 | return rc; |
f1c3b0fc JS |
1622 | } |
1623 | ||
1624 | /** | |
3b5dd52a JS |
1625 | * lpfc_bsg_send_mgmt_rsp - process a SEND_MGMT_RESP bsg vendor command |
1626 | * @job: SEND_MGMT_RESP fc_bsg_job | |
1627 | **/ | |
1628 | static int | |
75cc8cfc | 1629 | lpfc_bsg_send_mgmt_rsp(struct bsg_job *job) |
f1c3b0fc | 1630 | { |
cd21c605 | 1631 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
3b5dd52a | 1632 | struct lpfc_hba *phba = vport->phba; |
01e0e15c JT |
1633 | struct fc_bsg_request *bsg_request = job->request; |
1634 | struct fc_bsg_reply *bsg_reply = job->reply; | |
3b5dd52a | 1635 | struct send_mgmt_resp *mgmt_resp = (struct send_mgmt_resp *) |
01e0e15c | 1636 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
3b5dd52a | 1637 | struct ulp_bde64 *bpl; |
a33c4f7b JS |
1638 | struct lpfc_dmabuf *bmp = NULL, *cmp = NULL; |
1639 | int bpl_entries; | |
3b5dd52a JS |
1640 | uint32_t tag = mgmt_resp->tag; |
1641 | unsigned long reqbfrcnt = | |
1642 | (unsigned long)job->request_payload.payload_len; | |
1643 | int rc = 0; | |
f1c3b0fc | 1644 | |
3b5dd52a | 1645 | /* in case no data is transferred */ |
01e0e15c | 1646 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a JS |
1647 | |
1648 | if (!reqbfrcnt || (reqbfrcnt > (80 * BUF_SZ_4K))) { | |
1649 | rc = -ERANGE; | |
1650 | goto send_mgmt_rsp_exit; | |
1651 | } | |
1652 | ||
1653 | bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
1654 | if (!bmp) { | |
1655 | rc = -ENOMEM; | |
1656 | goto send_mgmt_rsp_exit; | |
1657 | } | |
1658 | ||
1659 | bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys); | |
1660 | if (!bmp->virt) { | |
1661 | rc = -ENOMEM; | |
1662 | goto send_mgmt_rsp_free_bmp; | |
1663 | } | |
1664 | ||
1665 | INIT_LIST_HEAD(&bmp->list); | |
1666 | bpl = (struct ulp_bde64 *) bmp->virt; | |
a33c4f7b JS |
1667 | bpl_entries = (LPFC_BPL_SIZE/sizeof(struct ulp_bde64)); |
1668 | cmp = lpfc_alloc_bsg_buffers(phba, job->request_payload.payload_len, | |
1669 | 1, bpl, &bpl_entries); | |
1670 | if (!cmp) { | |
1671 | rc = -ENOMEM; | |
1672 | goto send_mgmt_rsp_free_bmp; | |
f1c3b0fc | 1673 | } |
a33c4f7b JS |
1674 | lpfc_bsg_copy_data(cmp, &job->request_payload, |
1675 | job->request_payload.payload_len, 1); | |
f1c3b0fc | 1676 | |
a33c4f7b | 1677 | rc = lpfc_issue_ct_rsp(phba, job, tag, cmp, bmp, bpl_entries); |
3b5dd52a JS |
1678 | |
1679 | if (rc == IOCB_SUCCESS) | |
1680 | return 0; /* done for now */ | |
1681 | ||
3b5dd52a | 1682 | rc = -EACCES; |
a33c4f7b JS |
1683 | |
1684 | lpfc_free_bsg_buffers(phba, cmp); | |
3b5dd52a JS |
1685 | |
1686 | send_mgmt_rsp_free_bmp: | |
a33c4f7b JS |
1687 | if (bmp->virt) |
1688 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); | |
3b5dd52a JS |
1689 | kfree(bmp); |
1690 | send_mgmt_rsp_exit: | |
1691 | /* make error code available to userspace */ | |
01e0e15c | 1692 | bsg_reply->result = rc; |
3b5dd52a | 1693 | job->dd_data = NULL; |
f1c3b0fc JS |
1694 | return rc; |
1695 | } | |
1696 | ||
1697 | /** | |
7ad20aa9 JS |
1698 | * lpfc_bsg_diag_mode_enter - process preparing into device diag loopback mode |
1699 | * @phba: Pointer to HBA context object. | |
7ad20aa9 JS |
1700 | * |
1701 | * This function is responsible for preparing driver for diag loopback | |
1702 | * on device. | |
1703 | */ | |
1704 | static int | |
88a2cfbb | 1705 | lpfc_bsg_diag_mode_enter(struct lpfc_hba *phba) |
7ad20aa9 JS |
1706 | { |
1707 | struct lpfc_vport **vports; | |
1708 | struct Scsi_Host *shost; | |
1709 | struct lpfc_sli *psli; | |
895427bd | 1710 | struct lpfc_queue *qp = NULL; |
7ad20aa9 JS |
1711 | struct lpfc_sli_ring *pring; |
1712 | int i = 0; | |
1713 | ||
1714 | psli = &phba->sli; | |
1715 | if (!psli) | |
1716 | return -ENODEV; | |
1717 | ||
7ad20aa9 JS |
1718 | |
1719 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
1720 | (psli->sli_flag & LPFC_BLOCK_MGMT_IO) || | |
1721 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) | |
1722 | return -EACCES; | |
1723 | ||
1724 | vports = lpfc_create_vport_work_array(phba); | |
1725 | if (vports) { | |
1726 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
1727 | shost = lpfc_shost_from_vport(vports[i]); | |
1728 | scsi_block_requests(shost); | |
1729 | } | |
1730 | lpfc_destroy_vport_work_array(phba, vports); | |
1731 | } else { | |
1732 | shost = lpfc_shost_from_vport(phba->pport); | |
1733 | scsi_block_requests(shost); | |
1734 | } | |
1735 | ||
895427bd JS |
1736 | if (phba->sli_rev != LPFC_SLI_REV4) { |
1737 | pring = &psli->sli3_ring[LPFC_FCP_RING]; | |
1738 | lpfc_emptyq_wait(phba, &pring->txcmplq, &phba->hbalock); | |
1739 | return 0; | |
1740 | } | |
1741 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
1742 | pring = qp->pring; | |
1743 | if (!pring || (pring->ringno != LPFC_FCP_RING)) | |
1744 | continue; | |
1745 | if (!lpfc_emptyq_wait(phba, &pring->txcmplq, | |
1746 | &pring->ring_lock)) | |
7ad20aa9 | 1747 | break; |
7ad20aa9 JS |
1748 | } |
1749 | return 0; | |
1750 | } | |
1751 | ||
1752 | /** | |
1753 | * lpfc_bsg_diag_mode_exit - exit process from device diag loopback mode | |
1754 | * @phba: Pointer to HBA context object. | |
7ad20aa9 JS |
1755 | * |
1756 | * This function is responsible for driver exit processing of setting up | |
1757 | * diag loopback mode on device. | |
1758 | */ | |
1759 | static void | |
1760 | lpfc_bsg_diag_mode_exit(struct lpfc_hba *phba) | |
1761 | { | |
1762 | struct Scsi_Host *shost; | |
1763 | struct lpfc_vport **vports; | |
1764 | int i; | |
1765 | ||
1766 | vports = lpfc_create_vport_work_array(phba); | |
1767 | if (vports) { | |
1768 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { | |
1769 | shost = lpfc_shost_from_vport(vports[i]); | |
1770 | scsi_unblock_requests(shost); | |
1771 | } | |
1772 | lpfc_destroy_vport_work_array(phba, vports); | |
1773 | } else { | |
1774 | shost = lpfc_shost_from_vport(phba->pport); | |
1775 | scsi_unblock_requests(shost); | |
1776 | } | |
1777 | return; | |
1778 | } | |
1779 | ||
1780 | /** | |
1781 | * lpfc_sli3_bsg_diag_loopback_mode - process an sli3 bsg vendor command | |
1782 | * @phba: Pointer to HBA context object. | |
3b5dd52a | 1783 | * @job: LPFC_BSG_VENDOR_DIAG_MODE |
f1c3b0fc | 1784 | * |
7ad20aa9 JS |
1785 | * This function is responsible for placing an sli3 port into diagnostic |
1786 | * loopback mode in order to perform a diagnostic loopback test. | |
3b5dd52a JS |
1787 | * All new scsi requests are blocked, a small delay is used to allow the |
1788 | * scsi requests to complete then the link is brought down. If the link is | |
1789 | * is placed in loopback mode then scsi requests are again allowed | |
1790 | * so the scsi mid-layer doesn't give up on the port. | |
1791 | * All of this is done in-line. | |
f1c3b0fc | 1792 | */ |
3b5dd52a | 1793 | static int |
75cc8cfc | 1794 | lpfc_sli3_bsg_diag_loopback_mode(struct lpfc_hba *phba, struct bsg_job *job) |
f1c3b0fc | 1795 | { |
01e0e15c JT |
1796 | struct fc_bsg_request *bsg_request = job->request; |
1797 | struct fc_bsg_reply *bsg_reply = job->reply; | |
3b5dd52a | 1798 | struct diag_mode_set *loopback_mode; |
3b5dd52a JS |
1799 | uint32_t link_flags; |
1800 | uint32_t timeout; | |
1b51197d | 1801 | LPFC_MBOXQ_t *pmboxq = NULL; |
b76f2dc9 | 1802 | int mbxstatus = MBX_SUCCESS; |
3b5dd52a JS |
1803 | int i = 0; |
1804 | int rc = 0; | |
f1c3b0fc | 1805 | |
3b5dd52a | 1806 | /* no data to return just the return code */ |
01e0e15c | 1807 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a | 1808 | |
7ad20aa9 JS |
1809 | if (job->request_len < sizeof(struct fc_bsg_request) + |
1810 | sizeof(struct diag_mode_set)) { | |
3b5dd52a | 1811 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, |
7ad20aa9 JS |
1812 | "2738 Received DIAG MODE request size:%d " |
1813 | "below the minimum size:%d\n", | |
1814 | job->request_len, | |
1815 | (int)(sizeof(struct fc_bsg_request) + | |
1816 | sizeof(struct diag_mode_set))); | |
3b5dd52a JS |
1817 | rc = -EINVAL; |
1818 | goto job_error; | |
1819 | } | |
1820 | ||
88a2cfbb | 1821 | rc = lpfc_bsg_diag_mode_enter(phba); |
7ad20aa9 JS |
1822 | if (rc) |
1823 | goto job_error; | |
1824 | ||
1825 | /* bring the link to diagnostic mode */ | |
3b5dd52a | 1826 | loopback_mode = (struct diag_mode_set *) |
01e0e15c | 1827 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
3b5dd52a | 1828 | link_flags = loopback_mode->type; |
515e0aa2 | 1829 | timeout = loopback_mode->timeout * 100; |
3b5dd52a | 1830 | |
3b5dd52a JS |
1831 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1832 | if (!pmboxq) { | |
1833 | rc = -ENOMEM; | |
7ad20aa9 | 1834 | goto loopback_mode_exit; |
3b5dd52a | 1835 | } |
3b5dd52a JS |
1836 | memset((void *)pmboxq, 0, sizeof(LPFC_MBOXQ_t)); |
1837 | pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; | |
1838 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
1839 | ||
1840 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); | |
1841 | ||
1842 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->u.mb.mbxStatus == 0)) { | |
1843 | /* wait for link down before proceeding */ | |
1844 | i = 0; | |
1845 | while (phba->link_state != LPFC_LINK_DOWN) { | |
1846 | if (i++ > timeout) { | |
1847 | rc = -ETIMEDOUT; | |
1848 | goto loopback_mode_exit; | |
1849 | } | |
3b5dd52a JS |
1850 | msleep(10); |
1851 | } | |
1852 | ||
1853 | memset((void *)pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
1854 | if (link_flags == INTERNAL_LOOP_BACK) | |
1855 | pmboxq->u.mb.un.varInitLnk.link_flags = FLAGS_LOCAL_LB; | |
1856 | else | |
1857 | pmboxq->u.mb.un.varInitLnk.link_flags = | |
1858 | FLAGS_TOPOLOGY_MODE_LOOP; | |
1859 | ||
1860 | pmboxq->u.mb.mbxCommand = MBX_INIT_LINK; | |
1861 | pmboxq->u.mb.mbxOwner = OWN_HOST; | |
1862 | ||
1863 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, | |
1864 | LPFC_MBOX_TMO); | |
1865 | ||
1866 | if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus)) | |
1867 | rc = -ENODEV; | |
1868 | else { | |
1b51197d | 1869 | spin_lock_irq(&phba->hbalock); |
3b5dd52a | 1870 | phba->link_flag |= LS_LOOPBACK_MODE; |
1b51197d | 1871 | spin_unlock_irq(&phba->hbalock); |
3b5dd52a JS |
1872 | /* wait for the link attention interrupt */ |
1873 | msleep(100); | |
1874 | ||
1875 | i = 0; | |
1876 | while (phba->link_state != LPFC_HBA_READY) { | |
1877 | if (i++ > timeout) { | |
1878 | rc = -ETIMEDOUT; | |
1879 | break; | |
1880 | } | |
1881 | ||
1882 | msleep(10); | |
1883 | } | |
1884 | } | |
1885 | ||
1886 | } else | |
1887 | rc = -ENODEV; | |
1888 | ||
1889 | loopback_mode_exit: | |
7ad20aa9 | 1890 | lpfc_bsg_diag_mode_exit(phba); |
3b5dd52a JS |
1891 | |
1892 | /* | |
1893 | * Let SLI layer release mboxq if mbox command completed after timeout. | |
1894 | */ | |
1b51197d | 1895 | if (pmboxq && mbxstatus != MBX_TIMEOUT) |
3b5dd52a JS |
1896 | mempool_free(pmboxq, phba->mbox_mem_pool); |
1897 | ||
1898 | job_error: | |
1899 | /* make error code available to userspace */ | |
01e0e15c | 1900 | bsg_reply->result = rc; |
3b5dd52a JS |
1901 | /* complete the job back to userspace if no error */ |
1902 | if (rc == 0) | |
06548160 | 1903 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 1904 | bsg_reply->reply_payload_rcv_len); |
3b5dd52a JS |
1905 | return rc; |
1906 | } | |
1907 | ||
1908 | /** | |
7ad20aa9 JS |
1909 | * lpfc_sli4_bsg_set_link_diag_state - set sli4 link diag state |
1910 | * @phba: Pointer to HBA context object. | |
1911 | * @diag: Flag for set link to diag or nomral operation state. | |
3b5dd52a | 1912 | * |
7ad20aa9 JS |
1913 | * This function is responsible for issuing a sli4 mailbox command for setting |
1914 | * link to either diag state or normal operation state. | |
1915 | */ | |
1916 | static int | |
1917 | lpfc_sli4_bsg_set_link_diag_state(struct lpfc_hba *phba, uint32_t diag) | |
3b5dd52a | 1918 | { |
7ad20aa9 JS |
1919 | LPFC_MBOXQ_t *pmboxq; |
1920 | struct lpfc_mbx_set_link_diag_state *link_diag_state; | |
1921 | uint32_t req_len, alloc_len; | |
1922 | int mbxstatus = MBX_SUCCESS, rc; | |
3b5dd52a | 1923 | |
7ad20aa9 JS |
1924 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1925 | if (!pmboxq) | |
d439d286 | 1926 | return -ENOMEM; |
3b5dd52a | 1927 | |
7ad20aa9 JS |
1928 | req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) - |
1929 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
1930 | alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
1931 | LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE, | |
1932 | req_len, LPFC_SLI4_MBX_EMBED); | |
1933 | if (alloc_len != req_len) { | |
1934 | rc = -ENOMEM; | |
1935 | goto link_diag_state_set_out; | |
3b5dd52a | 1936 | } |
1b51197d JS |
1937 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
1938 | "3128 Set link to diagnostic state:x%x (x%x/x%x)\n", | |
1939 | diag, phba->sli4_hba.lnk_info.lnk_tp, | |
1940 | phba->sli4_hba.lnk_info.lnk_no); | |
1941 | ||
7ad20aa9 | 1942 | link_diag_state = &pmboxq->u.mqe.un.link_diag_state; |
9731592b JS |
1943 | bf_set(lpfc_mbx_set_diag_state_diag_bit_valid, &link_diag_state->u.req, |
1944 | LPFC_DIAG_STATE_DIAG_BIT_VALID_CHANGE); | |
7ad20aa9 | 1945 | bf_set(lpfc_mbx_set_diag_state_link_num, &link_diag_state->u.req, |
1b51197d | 1946 | phba->sli4_hba.lnk_info.lnk_no); |
7ad20aa9 | 1947 | bf_set(lpfc_mbx_set_diag_state_link_type, &link_diag_state->u.req, |
1b51197d | 1948 | phba->sli4_hba.lnk_info.lnk_tp); |
7ad20aa9 JS |
1949 | if (diag) |
1950 | bf_set(lpfc_mbx_set_diag_state_diag, | |
1951 | &link_diag_state->u.req, 1); | |
1952 | else | |
1953 | bf_set(lpfc_mbx_set_diag_state_diag, | |
1954 | &link_diag_state->u.req, 0); | |
3b5dd52a | 1955 | |
7ad20aa9 | 1956 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); |
3b5dd52a | 1957 | |
7ad20aa9 JS |
1958 | if ((mbxstatus == MBX_SUCCESS) && (pmboxq->u.mb.mbxStatus == 0)) |
1959 | rc = 0; | |
1960 | else | |
1961 | rc = -ENODEV; | |
3b5dd52a | 1962 | |
7ad20aa9 JS |
1963 | link_diag_state_set_out: |
1964 | if (pmboxq && (mbxstatus != MBX_TIMEOUT)) | |
1965 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
3b5dd52a | 1966 | |
7ad20aa9 | 1967 | return rc; |
3b5dd52a JS |
1968 | } |
1969 | ||
1b51197d | 1970 | /** |
9a66d990 | 1971 | * lpfc_sli4_bsg_set_loopback_mode - set sli4 internal loopback diagnostic |
1b51197d | 1972 | * @phba: Pointer to HBA context object. |
9a66d990 JS |
1973 | * @mode: loopback mode to set |
1974 | * @link_no: link number for loopback mode to set | |
1b51197d JS |
1975 | * |
1976 | * This function is responsible for issuing a sli4 mailbox command for setting | |
9a66d990 | 1977 | * up loopback diagnostic for a link. |
1b51197d JS |
1978 | */ |
1979 | static int | |
9a66d990 JS |
1980 | lpfc_sli4_bsg_set_loopback_mode(struct lpfc_hba *phba, int mode, |
1981 | uint32_t link_no) | |
1b51197d JS |
1982 | { |
1983 | LPFC_MBOXQ_t *pmboxq; | |
1984 | uint32_t req_len, alloc_len; | |
1985 | struct lpfc_mbx_set_link_diag_loopback *link_diag_loopback; | |
1986 | int mbxstatus = MBX_SUCCESS, rc = 0; | |
1987 | ||
1988 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
1989 | if (!pmboxq) | |
1990 | return -ENOMEM; | |
1991 | req_len = (sizeof(struct lpfc_mbx_set_link_diag_loopback) - | |
1992 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
1993 | alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
1994 | LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_LOOPBACK, | |
1995 | req_len, LPFC_SLI4_MBX_EMBED); | |
1996 | if (alloc_len != req_len) { | |
1997 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
1998 | return -ENOMEM; | |
1999 | } | |
2000 | link_diag_loopback = &pmboxq->u.mqe.un.link_diag_loopback; | |
2001 | bf_set(lpfc_mbx_set_diag_state_link_num, | |
9a66d990 JS |
2002 | &link_diag_loopback->u.req, link_no); |
2003 | ||
2004 | if (phba->sli4_hba.conf_trunk & (1 << link_no)) { | |
2005 | bf_set(lpfc_mbx_set_diag_state_link_type, | |
2006 | &link_diag_loopback->u.req, LPFC_LNK_FC_TRUNKED); | |
2007 | } else { | |
2008 | bf_set(lpfc_mbx_set_diag_state_link_type, | |
2009 | &link_diag_loopback->u.req, | |
2010 | phba->sli4_hba.lnk_info.lnk_tp); | |
2011 | } | |
2012 | ||
1b51197d | 2013 | bf_set(lpfc_mbx_set_diag_lpbk_type, &link_diag_loopback->u.req, |
9a66d990 | 2014 | mode); |
1b51197d JS |
2015 | |
2016 | mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); | |
2017 | if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus)) { | |
2018 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2019 | "3127 Failed setup loopback mode mailbox " | |
2020 | "command, rc:x%x, status:x%x\n", mbxstatus, | |
2021 | pmboxq->u.mb.mbxStatus); | |
2022 | rc = -ENODEV; | |
2023 | } | |
2024 | if (pmboxq && (mbxstatus != MBX_TIMEOUT)) | |
2025 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
2026 | return rc; | |
2027 | } | |
2028 | ||
2029 | /** | |
2030 | * lpfc_sli4_diag_fcport_reg_setup - setup port registrations for diagnostic | |
2031 | * @phba: Pointer to HBA context object. | |
2032 | * | |
2033 | * This function set up SLI4 FC port registrations for diagnostic run, which | |
2034 | * includes all the rpis, vfi, and also vpi. | |
2035 | */ | |
2036 | static int | |
2037 | lpfc_sli4_diag_fcport_reg_setup(struct lpfc_hba *phba) | |
2038 | { | |
2039 | int rc; | |
2040 | ||
2041 | if (phba->pport->fc_flag & FC_VFI_REGISTERED) { | |
2042 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2043 | "3136 Port still had vfi registered: " | |
2044 | "mydid:x%x, fcfi:%d, vfi:%d, vpi:%d\n", | |
2045 | phba->pport->fc_myDID, phba->fcf.fcfi, | |
2046 | phba->sli4_hba.vfi_ids[phba->pport->vfi], | |
2047 | phba->vpi_ids[phba->pport->vpi]); | |
2048 | return -EINVAL; | |
2049 | } | |
2050 | rc = lpfc_issue_reg_vfi(phba->pport); | |
2051 | return rc; | |
2052 | } | |
2053 | ||
3b5dd52a | 2054 | /** |
7ad20aa9 JS |
2055 | * lpfc_sli4_bsg_diag_loopback_mode - process an sli4 bsg vendor command |
2056 | * @phba: Pointer to HBA context object. | |
2057 | * @job: LPFC_BSG_VENDOR_DIAG_MODE | |
3b5dd52a | 2058 | * |
7ad20aa9 JS |
2059 | * This function is responsible for placing an sli4 port into diagnostic |
2060 | * loopback mode in order to perform a diagnostic loopback test. | |
2061 | */ | |
2062 | static int | |
75cc8cfc | 2063 | lpfc_sli4_bsg_diag_loopback_mode(struct lpfc_hba *phba, struct bsg_job *job) |
3b5dd52a | 2064 | { |
01e0e15c JT |
2065 | struct fc_bsg_request *bsg_request = job->request; |
2066 | struct fc_bsg_reply *bsg_reply = job->reply; | |
7ad20aa9 | 2067 | struct diag_mode_set *loopback_mode; |
9a66d990 | 2068 | uint32_t link_flags, timeout, link_no; |
1b51197d | 2069 | int i, rc = 0; |
3b5dd52a | 2070 | |
7ad20aa9 | 2071 | /* no data to return just the return code */ |
01e0e15c | 2072 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a | 2073 | |
7ad20aa9 JS |
2074 | if (job->request_len < sizeof(struct fc_bsg_request) + |
2075 | sizeof(struct diag_mode_set)) { | |
2076 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2077 | "3011 Received DIAG MODE request size:%d " | |
2078 | "below the minimum size:%d\n", | |
2079 | job->request_len, | |
2080 | (int)(sizeof(struct fc_bsg_request) + | |
2081 | sizeof(struct diag_mode_set))); | |
2082 | rc = -EINVAL; | |
9a66d990 JS |
2083 | goto job_done; |
2084 | } | |
2085 | ||
2086 | loopback_mode = (struct diag_mode_set *) | |
2087 | bsg_request->rqst_data.h_vendor.vendor_cmd; | |
2088 | link_flags = loopback_mode->type; | |
2089 | timeout = loopback_mode->timeout * 100; | |
2090 | ||
2091 | if (loopback_mode->physical_link == -1) | |
2092 | link_no = phba->sli4_hba.lnk_info.lnk_no; | |
2093 | else | |
2094 | link_no = loopback_mode->physical_link; | |
2095 | ||
2096 | if (link_flags == DISABLE_LOOP_BACK) { | |
2097 | rc = lpfc_sli4_bsg_set_loopback_mode(phba, | |
2098 | LPFC_DIAG_LOOPBACK_TYPE_DISABLE, | |
2099 | link_no); | |
2100 | if (!rc) { | |
2101 | /* Unset the need disable bit */ | |
2102 | phba->sli4_hba.conf_trunk &= ~((1 << link_no) << 4); | |
2103 | } | |
2104 | goto job_done; | |
2105 | } else { | |
2106 | /* Check if we need to disable the loopback state */ | |
2107 | if (phba->sli4_hba.conf_trunk & ((1 << link_no) << 4)) { | |
2108 | rc = -EPERM; | |
2109 | goto job_done; | |
2110 | } | |
7ad20aa9 | 2111 | } |
3b5dd52a | 2112 | |
88a2cfbb | 2113 | rc = lpfc_bsg_diag_mode_enter(phba); |
7ad20aa9 | 2114 | if (rc) |
9a66d990 | 2115 | goto job_done; |
7ad20aa9 | 2116 | |
1b51197d JS |
2117 | /* indicate we are in loobpack diagnostic mode */ |
2118 | spin_lock_irq(&phba->hbalock); | |
2119 | phba->link_flag |= LS_LOOPBACK_MODE; | |
2120 | spin_unlock_irq(&phba->hbalock); | |
2121 | ||
2122 | /* reset port to start frome scratch */ | |
2123 | rc = lpfc_selective_reset(phba); | |
2124 | if (rc) | |
9a66d990 | 2125 | goto job_done; |
1b51197d | 2126 | |
7ad20aa9 | 2127 | /* bring the link to diagnostic mode */ |
1b51197d JS |
2128 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
2129 | "3129 Bring link to diagnostic state.\n"); | |
7ad20aa9 JS |
2130 | |
2131 | rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1); | |
1b51197d JS |
2132 | if (rc) { |
2133 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2134 | "3130 Failed to bring link to diagnostic " | |
2135 | "state, rc:x%x\n", rc); | |
7ad20aa9 | 2136 | goto loopback_mode_exit; |
1b51197d | 2137 | } |
7ad20aa9 JS |
2138 | |
2139 | /* wait for link down before proceeding */ | |
2140 | i = 0; | |
2141 | while (phba->link_state != LPFC_LINK_DOWN) { | |
2142 | if (i++ > timeout) { | |
2143 | rc = -ETIMEDOUT; | |
1b51197d JS |
2144 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
2145 | "3131 Timeout waiting for link to " | |
2146 | "diagnostic mode, timeout:%d ms\n", | |
2147 | timeout * 10); | |
7ad20aa9 JS |
2148 | goto loopback_mode_exit; |
2149 | } | |
2150 | msleep(10); | |
3b5dd52a | 2151 | } |
1b51197d | 2152 | |
7ad20aa9 | 2153 | /* set up loopback mode */ |
1b51197d JS |
2154 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
2155 | "3132 Set up loopback mode:x%x\n", link_flags); | |
2156 | ||
9a66d990 JS |
2157 | switch (link_flags) { |
2158 | case INTERNAL_LOOP_BACK: | |
2159 | if (phba->sli4_hba.conf_trunk & (1 << link_no)) { | |
2160 | rc = lpfc_sli4_bsg_set_loopback_mode(phba, | |
2161 | LPFC_DIAG_LOOPBACK_TYPE_INTERNAL, | |
2162 | link_no); | |
2163 | } else { | |
2164 | /* Trunk is configured, but link is not in this trunk */ | |
2165 | if (phba->sli4_hba.conf_trunk) { | |
2166 | rc = -ELNRNG; | |
2167 | goto loopback_mode_exit; | |
2168 | } | |
2169 | ||
2170 | rc = lpfc_sli4_bsg_set_loopback_mode(phba, | |
2171 | LPFC_DIAG_LOOPBACK_TYPE_INTERNAL, | |
2172 | link_no); | |
2173 | } | |
2174 | ||
2175 | if (!rc) { | |
2176 | /* Set the need disable bit */ | |
2177 | phba->sli4_hba.conf_trunk |= (1 << link_no) << 4; | |
2178 | } | |
2179 | ||
2180 | break; | |
2181 | case EXTERNAL_LOOP_BACK: | |
2182 | if (phba->sli4_hba.conf_trunk & (1 << link_no)) { | |
2183 | rc = lpfc_sli4_bsg_set_loopback_mode(phba, | |
2184 | LPFC_DIAG_LOOPBACK_TYPE_EXTERNAL_TRUNKED, | |
2185 | link_no); | |
2186 | } else { | |
2187 | /* Trunk is configured, but link is not in this trunk */ | |
2188 | if (phba->sli4_hba.conf_trunk) { | |
2189 | rc = -ELNRNG; | |
2190 | goto loopback_mode_exit; | |
2191 | } | |
2192 | ||
2193 | rc = lpfc_sli4_bsg_set_loopback_mode(phba, | |
2194 | LPFC_DIAG_LOOPBACK_TYPE_SERDES, | |
2195 | link_no); | |
2196 | } | |
2197 | ||
2198 | if (!rc) { | |
2199 | /* Set the need disable bit */ | |
2200 | phba->sli4_hba.conf_trunk |= (1 << link_no) << 4; | |
2201 | } | |
2202 | ||
2203 | break; | |
2204 | default: | |
1b51197d JS |
2205 | rc = -EINVAL; |
2206 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
2207 | "3141 Loopback mode:x%x not supported\n", | |
2208 | link_flags); | |
7ad20aa9 JS |
2209 | goto loopback_mode_exit; |
2210 | } | |
7ad20aa9 | 2211 | |
1b51197d | 2212 | if (!rc) { |
7ad20aa9 JS |
2213 | /* wait for the link attention interrupt */ |
2214 | msleep(100); | |
2215 | i = 0; | |
1b51197d JS |
2216 | while (phba->link_state < LPFC_LINK_UP) { |
2217 | if (i++ > timeout) { | |
2218 | rc = -ETIMEDOUT; | |
2219 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
2220 | "3137 Timeout waiting for link up " | |
2221 | "in loopback mode, timeout:%d ms\n", | |
2222 | timeout * 10); | |
2223 | break; | |
2224 | } | |
2225 | msleep(10); | |
2226 | } | |
2227 | } | |
2228 | ||
2229 | /* port resource registration setup for loopback diagnostic */ | |
2230 | if (!rc) { | |
2231 | /* set up a none zero myDID for loopback test */ | |
2232 | phba->pport->fc_myDID = 1; | |
2233 | rc = lpfc_sli4_diag_fcport_reg_setup(phba); | |
2234 | } else | |
2235 | goto loopback_mode_exit; | |
2236 | ||
2237 | if (!rc) { | |
2238 | /* wait for the port ready */ | |
2239 | msleep(100); | |
2240 | i = 0; | |
7ad20aa9 JS |
2241 | while (phba->link_state != LPFC_HBA_READY) { |
2242 | if (i++ > timeout) { | |
2243 | rc = -ETIMEDOUT; | |
1b51197d JS |
2244 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
2245 | "3133 Timeout waiting for port " | |
2246 | "loopback mode ready, timeout:%d ms\n", | |
2247 | timeout * 10); | |
7ad20aa9 JS |
2248 | break; |
2249 | } | |
2250 | msleep(10); | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | loopback_mode_exit: | |
1b51197d JS |
2255 | /* clear loopback diagnostic mode */ |
2256 | if (rc) { | |
2257 | spin_lock_irq(&phba->hbalock); | |
2258 | phba->link_flag &= ~LS_LOOPBACK_MODE; | |
2259 | spin_unlock_irq(&phba->hbalock); | |
2260 | } | |
7ad20aa9 JS |
2261 | lpfc_bsg_diag_mode_exit(phba); |
2262 | ||
9a66d990 | 2263 | job_done: |
7ad20aa9 | 2264 | /* make error code available to userspace */ |
01e0e15c | 2265 | bsg_reply->result = rc; |
7ad20aa9 JS |
2266 | /* complete the job back to userspace if no error */ |
2267 | if (rc == 0) | |
06548160 | 2268 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 2269 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 | 2270 | return rc; |
3b5dd52a JS |
2271 | } |
2272 | ||
2273 | /** | |
7ad20aa9 JS |
2274 | * lpfc_bsg_diag_loopback_mode - bsg vendor command for diag loopback mode |
2275 | * @job: LPFC_BSG_VENDOR_DIAG_MODE | |
3b5dd52a | 2276 | * |
7ad20aa9 JS |
2277 | * This function is responsible for responding to check and dispatch bsg diag |
2278 | * command from the user to proper driver action routines. | |
2279 | */ | |
2280 | static int | |
75cc8cfc | 2281 | lpfc_bsg_diag_loopback_mode(struct bsg_job *job) |
7ad20aa9 JS |
2282 | { |
2283 | struct Scsi_Host *shost; | |
2284 | struct lpfc_vport *vport; | |
2285 | struct lpfc_hba *phba; | |
2286 | int rc; | |
2287 | ||
cd21c605 | 2288 | shost = fc_bsg_to_shost(job); |
7ad20aa9 JS |
2289 | if (!shost) |
2290 | return -ENODEV; | |
cd21c605 | 2291 | vport = shost_priv(shost); |
7ad20aa9 JS |
2292 | if (!vport) |
2293 | return -ENODEV; | |
2294 | phba = vport->phba; | |
2295 | if (!phba) | |
2296 | return -ENODEV; | |
2297 | ||
2298 | if (phba->sli_rev < LPFC_SLI_REV4) | |
2299 | rc = lpfc_sli3_bsg_diag_loopback_mode(phba, job); | |
719162bd | 2300 | else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >= |
7ad20aa9 JS |
2301 | LPFC_SLI_INTF_IF_TYPE_2) |
2302 | rc = lpfc_sli4_bsg_diag_loopback_mode(phba, job); | |
2303 | else | |
2304 | rc = -ENODEV; | |
2305 | ||
2306 | return rc; | |
7ad20aa9 JS |
2307 | } |
2308 | ||
2309 | /** | |
2310 | * lpfc_sli4_bsg_diag_mode_end - sli4 bsg vendor command for ending diag mode | |
2311 | * @job: LPFC_BSG_VENDOR_DIAG_MODE_END | |
2312 | * | |
2313 | * This function is responsible for responding to check and dispatch bsg diag | |
2314 | * command from the user to proper driver action routines. | |
2315 | */ | |
2316 | static int | |
75cc8cfc | 2317 | lpfc_sli4_bsg_diag_mode_end(struct bsg_job *job) |
7ad20aa9 | 2318 | { |
01e0e15c JT |
2319 | struct fc_bsg_request *bsg_request = job->request; |
2320 | struct fc_bsg_reply *bsg_reply = job->reply; | |
7ad20aa9 JS |
2321 | struct Scsi_Host *shost; |
2322 | struct lpfc_vport *vport; | |
2323 | struct lpfc_hba *phba; | |
1b51197d JS |
2324 | struct diag_mode_set *loopback_mode_end_cmd; |
2325 | uint32_t timeout; | |
2326 | int rc, i; | |
7ad20aa9 | 2327 | |
cd21c605 | 2328 | shost = fc_bsg_to_shost(job); |
7ad20aa9 JS |
2329 | if (!shost) |
2330 | return -ENODEV; | |
cd21c605 | 2331 | vport = shost_priv(shost); |
7ad20aa9 JS |
2332 | if (!vport) |
2333 | return -ENODEV; | |
2334 | phba = vport->phba; | |
2335 | if (!phba) | |
2336 | return -ENODEV; | |
2337 | ||
2338 | if (phba->sli_rev < LPFC_SLI_REV4) | |
2339 | return -ENODEV; | |
719162bd | 2340 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < |
7ad20aa9 JS |
2341 | LPFC_SLI_INTF_IF_TYPE_2) |
2342 | return -ENODEV; | |
2343 | ||
1b51197d JS |
2344 | /* clear loopback diagnostic mode */ |
2345 | spin_lock_irq(&phba->hbalock); | |
2346 | phba->link_flag &= ~LS_LOOPBACK_MODE; | |
2347 | spin_unlock_irq(&phba->hbalock); | |
2348 | loopback_mode_end_cmd = (struct diag_mode_set *) | |
01e0e15c | 2349 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
1b51197d JS |
2350 | timeout = loopback_mode_end_cmd->timeout * 100; |
2351 | ||
7ad20aa9 | 2352 | rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0); |
1b51197d JS |
2353 | if (rc) { |
2354 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2355 | "3139 Failed to bring link to diagnostic " | |
2356 | "state, rc:x%x\n", rc); | |
2357 | goto loopback_mode_end_exit; | |
2358 | } | |
7ad20aa9 | 2359 | |
1b51197d JS |
2360 | /* wait for link down before proceeding */ |
2361 | i = 0; | |
2362 | while (phba->link_state != LPFC_LINK_DOWN) { | |
2363 | if (i++ > timeout) { | |
1b51197d JS |
2364 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
2365 | "3140 Timeout waiting for link to " | |
2366 | "diagnostic mode_end, timeout:%d ms\n", | |
2367 | timeout * 10); | |
2368 | /* there is nothing much we can do here */ | |
2369 | break; | |
2370 | } | |
2371 | msleep(10); | |
2372 | } | |
7ad20aa9 | 2373 | |
1b51197d JS |
2374 | /* reset port resource registrations */ |
2375 | rc = lpfc_selective_reset(phba); | |
2376 | phba->pport->fc_myDID = 0; | |
2377 | ||
2378 | loopback_mode_end_exit: | |
2379 | /* make return code available to userspace */ | |
01e0e15c | 2380 | bsg_reply->result = rc; |
1b51197d JS |
2381 | /* complete the job back to userspace if no error */ |
2382 | if (rc == 0) | |
06548160 | 2383 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 2384 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 JS |
2385 | return rc; |
2386 | } | |
2387 | ||
2388 | /** | |
2389 | * lpfc_sli4_bsg_link_diag_test - sli4 bsg vendor command for diag link test | |
2390 | * @job: LPFC_BSG_VENDOR_DIAG_LINK_TEST | |
2391 | * | |
2392 | * This function is to perform SLI4 diag link test request from the user | |
2393 | * applicaiton. | |
2394 | */ | |
2395 | static int | |
75cc8cfc | 2396 | lpfc_sli4_bsg_link_diag_test(struct bsg_job *job) |
7ad20aa9 | 2397 | { |
01e0e15c JT |
2398 | struct fc_bsg_request *bsg_request = job->request; |
2399 | struct fc_bsg_reply *bsg_reply = job->reply; | |
7ad20aa9 JS |
2400 | struct Scsi_Host *shost; |
2401 | struct lpfc_vport *vport; | |
2402 | struct lpfc_hba *phba; | |
2403 | LPFC_MBOXQ_t *pmboxq; | |
2404 | struct sli4_link_diag *link_diag_test_cmd; | |
2405 | uint32_t req_len, alloc_len; | |
7ad20aa9 JS |
2406 | struct lpfc_mbx_run_link_diag_test *run_link_diag_test; |
2407 | union lpfc_sli4_cfg_shdr *shdr; | |
2408 | uint32_t shdr_status, shdr_add_status; | |
2409 | struct diag_status *diag_status_reply; | |
2410 | int mbxstatus, rc = 0; | |
2411 | ||
cd21c605 | 2412 | shost = fc_bsg_to_shost(job); |
7ad20aa9 JS |
2413 | if (!shost) { |
2414 | rc = -ENODEV; | |
2415 | goto job_error; | |
2416 | } | |
cd21c605 | 2417 | vport = shost_priv(shost); |
7ad20aa9 JS |
2418 | if (!vport) { |
2419 | rc = -ENODEV; | |
2420 | goto job_error; | |
2421 | } | |
2422 | phba = vport->phba; | |
2423 | if (!phba) { | |
2424 | rc = -ENODEV; | |
2425 | goto job_error; | |
2426 | } | |
2427 | ||
2428 | if (phba->sli_rev < LPFC_SLI_REV4) { | |
2429 | rc = -ENODEV; | |
2430 | goto job_error; | |
2431 | } | |
719162bd | 2432 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < |
7ad20aa9 JS |
2433 | LPFC_SLI_INTF_IF_TYPE_2) { |
2434 | rc = -ENODEV; | |
2435 | goto job_error; | |
2436 | } | |
2437 | ||
2438 | if (job->request_len < sizeof(struct fc_bsg_request) + | |
2439 | sizeof(struct sli4_link_diag)) { | |
2440 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2441 | "3013 Received LINK DIAG TEST request " | |
2442 | " size:%d below the minimum size:%d\n", | |
2443 | job->request_len, | |
2444 | (int)(sizeof(struct fc_bsg_request) + | |
2445 | sizeof(struct sli4_link_diag))); | |
2446 | rc = -EINVAL; | |
2447 | goto job_error; | |
2448 | } | |
2449 | ||
88a2cfbb | 2450 | rc = lpfc_bsg_diag_mode_enter(phba); |
7ad20aa9 JS |
2451 | if (rc) |
2452 | goto job_error; | |
2453 | ||
2454 | link_diag_test_cmd = (struct sli4_link_diag *) | |
01e0e15c | 2455 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 JS |
2456 | |
2457 | rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1); | |
2458 | ||
2459 | if (rc) | |
2460 | goto job_error; | |
2461 | ||
2462 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
44ed33e6 | 2463 | if (!pmboxq) |
7ad20aa9 | 2464 | goto link_diag_test_exit; |
7ad20aa9 JS |
2465 | |
2466 | req_len = (sizeof(struct lpfc_mbx_set_link_diag_state) - | |
2467 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
2468 | alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
2469 | LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE, | |
2470 | req_len, LPFC_SLI4_MBX_EMBED); | |
44ed33e6 | 2471 | if (alloc_len != req_len) |
7ad20aa9 | 2472 | goto link_diag_test_exit; |
44ed33e6 | 2473 | |
7ad20aa9 JS |
2474 | run_link_diag_test = &pmboxq->u.mqe.un.link_diag_test; |
2475 | bf_set(lpfc_mbx_run_diag_test_link_num, &run_link_diag_test->u.req, | |
1b51197d | 2476 | phba->sli4_hba.lnk_info.lnk_no); |
7ad20aa9 | 2477 | bf_set(lpfc_mbx_run_diag_test_link_type, &run_link_diag_test->u.req, |
1b51197d | 2478 | phba->sli4_hba.lnk_info.lnk_tp); |
7ad20aa9 JS |
2479 | bf_set(lpfc_mbx_run_diag_test_test_id, &run_link_diag_test->u.req, |
2480 | link_diag_test_cmd->test_id); | |
2481 | bf_set(lpfc_mbx_run_diag_test_loops, &run_link_diag_test->u.req, | |
2482 | link_diag_test_cmd->loops); | |
2483 | bf_set(lpfc_mbx_run_diag_test_test_ver, &run_link_diag_test->u.req, | |
2484 | link_diag_test_cmd->test_version); | |
2485 | bf_set(lpfc_mbx_run_diag_test_err_act, &run_link_diag_test->u.req, | |
2486 | link_diag_test_cmd->error_action); | |
2487 | ||
2488 | mbxstatus = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
2489 | ||
2490 | shdr = (union lpfc_sli4_cfg_shdr *) | |
2491 | &pmboxq->u.mqe.un.sli4_config.header.cfg_shdr; | |
2492 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
2493 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
2494 | if (shdr_status || shdr_add_status || mbxstatus) { | |
2495 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
2496 | "3010 Run link diag test mailbox failed with " | |
2497 | "mbx_status x%x status x%x, add_status x%x\n", | |
2498 | mbxstatus, shdr_status, shdr_add_status); | |
2499 | } | |
2500 | ||
2501 | diag_status_reply = (struct diag_status *) | |
01e0e15c | 2502 | bsg_reply->reply_data.vendor_reply.vendor_rsp; |
7ad20aa9 JS |
2503 | |
2504 | if (job->reply_len < | |
2505 | sizeof(struct fc_bsg_request) + sizeof(struct diag_status)) { | |
2506 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
2507 | "3012 Received Run link diag test reply " | |
2508 | "below minimum size (%d): reply_len:%d\n", | |
2509 | (int)(sizeof(struct fc_bsg_request) + | |
2510 | sizeof(struct diag_status)), | |
2511 | job->reply_len); | |
2512 | rc = -EINVAL; | |
2513 | goto job_error; | |
2514 | } | |
2515 | ||
2516 | diag_status_reply->mbox_status = mbxstatus; | |
2517 | diag_status_reply->shdr_status = shdr_status; | |
2518 | diag_status_reply->shdr_add_status = shdr_add_status; | |
2519 | ||
2520 | link_diag_test_exit: | |
2521 | rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0); | |
2522 | ||
2523 | if (pmboxq) | |
2524 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
2525 | ||
2526 | lpfc_bsg_diag_mode_exit(phba); | |
2527 | ||
2528 | job_error: | |
2529 | /* make error code available to userspace */ | |
01e0e15c | 2530 | bsg_reply->result = rc; |
7ad20aa9 JS |
2531 | /* complete the job back to userspace if no error */ |
2532 | if (rc == 0) | |
06548160 | 2533 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 2534 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 JS |
2535 | return rc; |
2536 | } | |
2537 | ||
2538 | /** | |
2539 | * lpfcdiag_loop_self_reg - obtains a remote port login id | |
2540 | * @phba: Pointer to HBA context object | |
2541 | * @rpi: Pointer to a remote port login id | |
2542 | * | |
2543 | * This function obtains a remote port login id so the diag loopback test | |
2544 | * can send and receive its own unsolicited CT command. | |
2545 | **/ | |
2546 | static int lpfcdiag_loop_self_reg(struct lpfc_hba *phba, uint16_t *rpi) | |
2547 | { | |
2548 | LPFC_MBOXQ_t *mbox; | |
2549 | struct lpfc_dmabuf *dmabuff; | |
2550 | int status; | |
2551 | ||
2552 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2553 | if (!mbox) | |
2554 | return -ENOMEM; | |
2555 | ||
1b51197d JS |
2556 | if (phba->sli_rev < LPFC_SLI_REV4) |
2557 | status = lpfc_reg_rpi(phba, 0, phba->pport->fc_myDID, | |
2558 | (uint8_t *)&phba->pport->fc_sparam, | |
2559 | mbox, *rpi); | |
2560 | else { | |
7ad20aa9 | 2561 | *rpi = lpfc_sli4_alloc_rpi(phba); |
9d3d340d JS |
2562 | if (*rpi == LPFC_RPI_ALLOC_ERROR) { |
2563 | mempool_free(mbox, phba->mbox_mem_pool); | |
2564 | return -EBUSY; | |
2565 | } | |
1b51197d JS |
2566 | status = lpfc_reg_rpi(phba, phba->pport->vpi, |
2567 | phba->pport->fc_myDID, | |
2568 | (uint8_t *)&phba->pport->fc_sparam, | |
2569 | mbox, *rpi); | |
2570 | } | |
2571 | ||
7ad20aa9 JS |
2572 | if (status) { |
2573 | mempool_free(mbox, phba->mbox_mem_pool); | |
2574 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2575 | lpfc_sli4_free_rpi(phba, *rpi); | |
2576 | return -ENOMEM; | |
2577 | } | |
2578 | ||
3e1f0718 JS |
2579 | dmabuff = (struct lpfc_dmabuf *)mbox->ctx_buf; |
2580 | mbox->ctx_buf = NULL; | |
2581 | mbox->ctx_ndlp = NULL; | |
7ad20aa9 JS |
2582 | status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); |
2583 | ||
2584 | if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) { | |
2585 | lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys); | |
2586 | kfree(dmabuff); | |
2587 | if (status != MBX_TIMEOUT) | |
2588 | mempool_free(mbox, phba->mbox_mem_pool); | |
2589 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2590 | lpfc_sli4_free_rpi(phba, *rpi); | |
2591 | return -ENODEV; | |
2592 | } | |
2593 | ||
1b51197d JS |
2594 | if (phba->sli_rev < LPFC_SLI_REV4) |
2595 | *rpi = mbox->u.mb.un.varWords[0]; | |
7ad20aa9 JS |
2596 | |
2597 | lpfc_mbuf_free(phba, dmabuff->virt, dmabuff->phys); | |
2598 | kfree(dmabuff); | |
2599 | mempool_free(mbox, phba->mbox_mem_pool); | |
2600 | return 0; | |
2601 | } | |
2602 | ||
2603 | /** | |
2604 | * lpfcdiag_loop_self_unreg - unregs from the rpi | |
2605 | * @phba: Pointer to HBA context object | |
2606 | * @rpi: Remote port login id | |
2607 | * | |
2608 | * This function unregisters the rpi obtained in lpfcdiag_loop_self_reg | |
2609 | **/ | |
2610 | static int lpfcdiag_loop_self_unreg(struct lpfc_hba *phba, uint16_t rpi) | |
2611 | { | |
2612 | LPFC_MBOXQ_t *mbox; | |
2613 | int status; | |
2614 | ||
2615 | /* Allocate mboxq structure */ | |
2616 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2617 | if (mbox == NULL) | |
2618 | return -ENOMEM; | |
2619 | ||
1b51197d JS |
2620 | if (phba->sli_rev < LPFC_SLI_REV4) |
2621 | lpfc_unreg_login(phba, 0, rpi, mbox); | |
2622 | else | |
2623 | lpfc_unreg_login(phba, phba->pport->vpi, | |
2624 | phba->sli4_hba.rpi_ids[rpi], mbox); | |
2625 | ||
7ad20aa9 JS |
2626 | status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); |
2627 | ||
2628 | if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) { | |
2629 | if (status != MBX_TIMEOUT) | |
2630 | mempool_free(mbox, phba->mbox_mem_pool); | |
2631 | return -EIO; | |
2632 | } | |
2633 | mempool_free(mbox, phba->mbox_mem_pool); | |
2634 | if (phba->sli_rev == LPFC_SLI_REV4) | |
2635 | lpfc_sli4_free_rpi(phba, rpi); | |
2636 | return 0; | |
2637 | } | |
2638 | ||
2639 | /** | |
2640 | * lpfcdiag_loop_get_xri - obtains the transmit and receive ids | |
2641 | * @phba: Pointer to HBA context object | |
2642 | * @rpi: Remote port login id | |
2643 | * @txxri: Pointer to transmit exchange id | |
2644 | * @rxxri: Pointer to response exchabge id | |
2645 | * | |
2646 | * This function obtains the transmit and receive ids required to send | |
2647 | * an unsolicited ct command with a payload. A special lpfc FsType and CmdRsp | |
2648 | * flags are used to the unsolicted response handler is able to process | |
2649 | * the ct command sent on the same port. | |
2650 | **/ | |
2651 | static int lpfcdiag_loop_get_xri(struct lpfc_hba *phba, uint16_t rpi, | |
2652 | uint16_t *txxri, uint16_t * rxxri) | |
3b5dd52a JS |
2653 | { |
2654 | struct lpfc_bsg_event *evt; | |
2655 | struct lpfc_iocbq *cmdiocbq, *rspiocbq; | |
2656 | IOCB_t *cmd, *rsp; | |
2657 | struct lpfc_dmabuf *dmabuf; | |
2658 | struct ulp_bde64 *bpl = NULL; | |
2659 | struct lpfc_sli_ct_request *ctreq = NULL; | |
2660 | int ret_val = 0; | |
d439d286 | 2661 | int time_left; |
5a0916b4 | 2662 | int iocb_stat = IOCB_SUCCESS; |
3b5dd52a JS |
2663 | unsigned long flags; |
2664 | ||
2665 | *txxri = 0; | |
2666 | *rxxri = 0; | |
2667 | evt = lpfc_bsg_event_new(FC_REG_CT_EVENT, current->pid, | |
2668 | SLI_CT_ELX_LOOPBACK); | |
2669 | if (!evt) | |
d439d286 | 2670 | return -ENOMEM; |
3b5dd52a JS |
2671 | |
2672 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
2673 | list_add(&evt->node, &phba->ct_ev_waiters); | |
2674 | lpfc_bsg_event_ref(evt); | |
2675 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
2676 | ||
2677 | cmdiocbq = lpfc_sli_get_iocbq(phba); | |
2678 | rspiocbq = lpfc_sli_get_iocbq(phba); | |
2679 | ||
2680 | dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
2681 | if (dmabuf) { | |
2682 | dmabuf->virt = lpfc_mbuf_alloc(phba, 0, &dmabuf->phys); | |
c7495937 JS |
2683 | if (dmabuf->virt) { |
2684 | INIT_LIST_HEAD(&dmabuf->list); | |
2685 | bpl = (struct ulp_bde64 *) dmabuf->virt; | |
2686 | memset(bpl, 0, sizeof(*bpl)); | |
2687 | ctreq = (struct lpfc_sli_ct_request *)(bpl + 1); | |
2688 | bpl->addrHigh = | |
2689 | le32_to_cpu(putPaddrHigh(dmabuf->phys + | |
2690 | sizeof(*bpl))); | |
2691 | bpl->addrLow = | |
2692 | le32_to_cpu(putPaddrLow(dmabuf->phys + | |
2693 | sizeof(*bpl))); | |
2694 | bpl->tus.f.bdeFlags = 0; | |
2695 | bpl->tus.f.bdeSize = ELX_LOOPBACK_HEADER_SZ; | |
2696 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
2697 | } | |
3b5dd52a JS |
2698 | } |
2699 | ||
2700 | if (cmdiocbq == NULL || rspiocbq == NULL || | |
c7495937 JS |
2701 | dmabuf == NULL || bpl == NULL || ctreq == NULL || |
2702 | dmabuf->virt == NULL) { | |
d439d286 | 2703 | ret_val = -ENOMEM; |
3b5dd52a JS |
2704 | goto err_get_xri_exit; |
2705 | } | |
2706 | ||
2707 | cmd = &cmdiocbq->iocb; | |
2708 | rsp = &rspiocbq->iocb; | |
2709 | ||
2710 | memset(ctreq, 0, ELX_LOOPBACK_HEADER_SZ); | |
2711 | ||
2712 | ctreq->RevisionId.bits.Revision = SLI_CT_REVISION; | |
2713 | ctreq->RevisionId.bits.InId = 0; | |
2714 | ctreq->FsType = SLI_CT_ELX_LOOPBACK; | |
2715 | ctreq->FsSubType = 0; | |
2716 | ctreq->CommandResponse.bits.CmdRsp = ELX_LOOPBACK_XRI_SETUP; | |
2717 | ctreq->CommandResponse.bits.Size = 0; | |
2718 | ||
2719 | ||
2720 | cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(dmabuf->phys); | |
2721 | cmd->un.xseq64.bdl.addrLow = putPaddrLow(dmabuf->phys); | |
2722 | cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
2723 | cmd->un.xseq64.bdl.bdeSize = sizeof(*bpl); | |
2724 | ||
2725 | cmd->un.xseq64.w5.hcsw.Fctl = LA; | |
2726 | cmd->un.xseq64.w5.hcsw.Dfctl = 0; | |
2727 | cmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; | |
2728 | cmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; | |
2729 | ||
2730 | cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CR; | |
2731 | cmd->ulpBdeCount = 1; | |
2732 | cmd->ulpLe = 1; | |
2733 | cmd->ulpClass = CLASS3; | |
2734 | cmd->ulpContext = rpi; | |
2735 | ||
2736 | cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; | |
2737 | cmdiocbq->vport = phba->pport; | |
5a0916b4 | 2738 | cmdiocbq->iocb_cmpl = NULL; |
3b5dd52a | 2739 | |
d439d286 | 2740 | iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, |
3b5dd52a JS |
2741 | rspiocbq, |
2742 | (phba->fc_ratov * 2) | |
2743 | + LPFC_DRVR_TIMEOUT); | |
53151bbb | 2744 | if ((iocb_stat != IOCB_SUCCESS) || (rsp->ulpStatus != IOSTAT_SUCCESS)) { |
d439d286 | 2745 | ret_val = -EIO; |
3b5dd52a | 2746 | goto err_get_xri_exit; |
d439d286 | 2747 | } |
3b5dd52a JS |
2748 | *txxri = rsp->ulpContext; |
2749 | ||
2750 | evt->waiting = 1; | |
2751 | evt->wait_time_stamp = jiffies; | |
d439d286 | 2752 | time_left = wait_event_interruptible_timeout( |
3b5dd52a | 2753 | evt->wq, !list_empty(&evt->events_to_see), |
256ec0d0 JS |
2754 | msecs_to_jiffies(1000 * |
2755 | ((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT))); | |
3b5dd52a | 2756 | if (list_empty(&evt->events_to_see)) |
d439d286 | 2757 | ret_val = (time_left) ? -EINTR : -ETIMEDOUT; |
3b5dd52a | 2758 | else { |
3b5dd52a JS |
2759 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
2760 | list_move(evt->events_to_see.prev, &evt->events_to_get); | |
2761 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
2762 | *rxxri = (list_entry(evt->events_to_get.prev, | |
2763 | typeof(struct event_data), | |
2764 | node))->immed_dat; | |
2765 | } | |
2766 | evt->waiting = 0; | |
2767 | ||
2768 | err_get_xri_exit: | |
2769 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
2770 | lpfc_bsg_event_unref(evt); /* release ref */ | |
2771 | lpfc_bsg_event_unref(evt); /* delete */ | |
2772 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
2773 | ||
2774 | if (dmabuf) { | |
2775 | if (dmabuf->virt) | |
2776 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
2777 | kfree(dmabuf); | |
2778 | } | |
2779 | ||
d439d286 | 2780 | if (cmdiocbq && (iocb_stat != IOCB_TIMEDOUT)) |
3b5dd52a JS |
2781 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
2782 | if (rspiocbq) | |
2783 | lpfc_sli_release_iocbq(phba, rspiocbq); | |
2784 | return ret_val; | |
2785 | } | |
2786 | ||
7ad20aa9 JS |
2787 | /** |
2788 | * lpfc_bsg_dma_page_alloc - allocate a bsg mbox page sized dma buffers | |
2789 | * @phba: Pointer to HBA context object | |
2790 | * | |
2ea259ee | 2791 | * This function allocates BSG_MBOX_SIZE (4KB) page size dma buffer and |
9e03aa2f | 2792 | * returns the pointer to the buffer. |
7ad20aa9 JS |
2793 | **/ |
2794 | static struct lpfc_dmabuf * | |
2795 | lpfc_bsg_dma_page_alloc(struct lpfc_hba *phba) | |
2796 | { | |
2797 | struct lpfc_dmabuf *dmabuf; | |
2798 | struct pci_dev *pcidev = phba->pcidev; | |
2799 | ||
2800 | /* allocate dma buffer struct */ | |
2801 | dmabuf = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
2802 | if (!dmabuf) | |
2803 | return NULL; | |
2804 | ||
2805 | INIT_LIST_HEAD(&dmabuf->list); | |
2806 | ||
2807 | /* now, allocate dma buffer */ | |
750afb08 LC |
2808 | dmabuf->virt = dma_alloc_coherent(&pcidev->dev, BSG_MBOX_SIZE, |
2809 | &(dmabuf->phys), GFP_KERNEL); | |
7ad20aa9 JS |
2810 | |
2811 | if (!dmabuf->virt) { | |
2812 | kfree(dmabuf); | |
2813 | return NULL; | |
2814 | } | |
7ad20aa9 JS |
2815 | |
2816 | return dmabuf; | |
2817 | } | |
2818 | ||
2819 | /** | |
2820 | * lpfc_bsg_dma_page_free - free a bsg mbox page sized dma buffer | |
2821 | * @phba: Pointer to HBA context object. | |
2822 | * @dmabuf: Pointer to the bsg mbox page sized dma buffer descriptor. | |
2823 | * | |
2824 | * This routine just simply frees a dma buffer and its associated buffer | |
2825 | * descriptor referred by @dmabuf. | |
2826 | **/ | |
2827 | static void | |
2828 | lpfc_bsg_dma_page_free(struct lpfc_hba *phba, struct lpfc_dmabuf *dmabuf) | |
2829 | { | |
2830 | struct pci_dev *pcidev = phba->pcidev; | |
2831 | ||
2832 | if (!dmabuf) | |
2833 | return; | |
2834 | ||
2835 | if (dmabuf->virt) | |
2836 | dma_free_coherent(&pcidev->dev, BSG_MBOX_SIZE, | |
2837 | dmabuf->virt, dmabuf->phys); | |
2838 | kfree(dmabuf); | |
2839 | return; | |
2840 | } | |
2841 | ||
2842 | /** | |
2843 | * lpfc_bsg_dma_page_list_free - free a list of bsg mbox page sized dma buffers | |
2844 | * @phba: Pointer to HBA context object. | |
2845 | * @dmabuf_list: Pointer to a list of bsg mbox page sized dma buffer descs. | |
2846 | * | |
2847 | * This routine just simply frees all dma buffers and their associated buffer | |
2848 | * descriptors referred by @dmabuf_list. | |
2849 | **/ | |
2850 | static void | |
2851 | lpfc_bsg_dma_page_list_free(struct lpfc_hba *phba, | |
2852 | struct list_head *dmabuf_list) | |
2853 | { | |
2854 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; | |
2855 | ||
2856 | if (list_empty(dmabuf_list)) | |
2857 | return; | |
2858 | ||
2859 | list_for_each_entry_safe(dmabuf, next_dmabuf, dmabuf_list, list) { | |
2860 | list_del_init(&dmabuf->list); | |
2861 | lpfc_bsg_dma_page_free(phba, dmabuf); | |
2862 | } | |
2863 | return; | |
2864 | } | |
2865 | ||
3b5dd52a JS |
2866 | /** |
2867 | * diag_cmd_data_alloc - fills in a bde struct with dma buffers | |
2868 | * @phba: Pointer to HBA context object | |
2869 | * @bpl: Pointer to 64 bit bde structure | |
2870 | * @size: Number of bytes to process | |
2871 | * @nocopydata: Flag to copy user data into the allocated buffer | |
2872 | * | |
2873 | * This function allocates page size buffers and populates an lpfc_dmabufext. | |
2874 | * If allowed the user data pointed to with indataptr is copied into the kernel | |
2875 | * memory. The chained list of page size buffers is returned. | |
2876 | **/ | |
2877 | static struct lpfc_dmabufext * | |
2878 | diag_cmd_data_alloc(struct lpfc_hba *phba, | |
2879 | struct ulp_bde64 *bpl, uint32_t size, | |
2880 | int nocopydata) | |
2881 | { | |
2882 | struct lpfc_dmabufext *mlist = NULL; | |
2883 | struct lpfc_dmabufext *dmp; | |
2884 | int cnt, offset = 0, i = 0; | |
2885 | struct pci_dev *pcidev; | |
2886 | ||
2887 | pcidev = phba->pcidev; | |
2888 | ||
2889 | while (size) { | |
2890 | /* We get chunks of 4K */ | |
2891 | if (size > BUF_SZ_4K) | |
2892 | cnt = BUF_SZ_4K; | |
2893 | else | |
2894 | cnt = size; | |
2895 | ||
2896 | /* allocate struct lpfc_dmabufext buffer header */ | |
2897 | dmp = kmalloc(sizeof(struct lpfc_dmabufext), GFP_KERNEL); | |
2898 | if (!dmp) | |
2899 | goto out; | |
2900 | ||
2901 | INIT_LIST_HEAD(&dmp->dma.list); | |
2902 | ||
2903 | /* Queue it to a linked list */ | |
2904 | if (mlist) | |
2905 | list_add_tail(&dmp->dma.list, &mlist->dma.list); | |
2906 | else | |
2907 | mlist = dmp; | |
2908 | ||
2909 | /* allocate buffer */ | |
2910 | dmp->dma.virt = dma_alloc_coherent(&pcidev->dev, | |
2911 | cnt, | |
2912 | &(dmp->dma.phys), | |
2913 | GFP_KERNEL); | |
2914 | ||
2915 | if (!dmp->dma.virt) | |
2916 | goto out; | |
2917 | ||
2918 | dmp->size = cnt; | |
2919 | ||
2920 | if (nocopydata) { | |
2921 | bpl->tus.f.bdeFlags = 0; | |
3b5dd52a JS |
2922 | } else { |
2923 | memset((uint8_t *)dmp->dma.virt, 0, cnt); | |
2924 | bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; | |
2925 | } | |
2926 | ||
2927 | /* build buffer ptr list for IOCB */ | |
2928 | bpl->addrLow = le32_to_cpu(putPaddrLow(dmp->dma.phys)); | |
2929 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(dmp->dma.phys)); | |
2930 | bpl->tus.f.bdeSize = (ushort) cnt; | |
2931 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
2932 | bpl++; | |
2933 | ||
2934 | i++; | |
2935 | offset += cnt; | |
2936 | size -= cnt; | |
2937 | } | |
2938 | ||
a2fc4aef JS |
2939 | if (mlist) { |
2940 | mlist->flag = i; | |
2941 | return mlist; | |
2942 | } | |
3b5dd52a JS |
2943 | out: |
2944 | diag_cmd_data_free(phba, mlist); | |
2945 | return NULL; | |
2946 | } | |
2947 | ||
2948 | /** | |
2949 | * lpfcdiag_loop_post_rxbufs - post the receive buffers for an unsol CT cmd | |
2950 | * @phba: Pointer to HBA context object | |
2951 | * @rxxri: Receive exchange id | |
2952 | * @len: Number of data bytes | |
2953 | * | |
25985edc | 2954 | * This function allocates and posts a data buffer of sufficient size to receive |
3b5dd52a JS |
2955 | * an unsolicted CT command. |
2956 | **/ | |
2957 | static int lpfcdiag_loop_post_rxbufs(struct lpfc_hba *phba, uint16_t rxxri, | |
2958 | size_t len) | |
2959 | { | |
895427bd | 2960 | struct lpfc_sli_ring *pring; |
3b5dd52a JS |
2961 | struct lpfc_iocbq *cmdiocbq; |
2962 | IOCB_t *cmd = NULL; | |
2963 | struct list_head head, *curr, *next; | |
2964 | struct lpfc_dmabuf *rxbmp; | |
2965 | struct lpfc_dmabuf *dmp; | |
2966 | struct lpfc_dmabuf *mp[2] = {NULL, NULL}; | |
2967 | struct ulp_bde64 *rxbpl = NULL; | |
2968 | uint32_t num_bde; | |
2969 | struct lpfc_dmabufext *rxbuffer = NULL; | |
2970 | int ret_val = 0; | |
d439d286 | 2971 | int iocb_stat; |
3b5dd52a JS |
2972 | int i = 0; |
2973 | ||
895427bd JS |
2974 | pring = lpfc_phba_elsring(phba); |
2975 | ||
3b5dd52a JS |
2976 | cmdiocbq = lpfc_sli_get_iocbq(phba); |
2977 | rxbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
2978 | if (rxbmp != NULL) { | |
2979 | rxbmp->virt = lpfc_mbuf_alloc(phba, 0, &rxbmp->phys); | |
c7495937 JS |
2980 | if (rxbmp->virt) { |
2981 | INIT_LIST_HEAD(&rxbmp->list); | |
2982 | rxbpl = (struct ulp_bde64 *) rxbmp->virt; | |
2983 | rxbuffer = diag_cmd_data_alloc(phba, rxbpl, len, 0); | |
2984 | } | |
3b5dd52a JS |
2985 | } |
2986 | ||
1234a6d5 | 2987 | if (!cmdiocbq || !rxbmp || !rxbpl || !rxbuffer || !pring) { |
d439d286 | 2988 | ret_val = -ENOMEM; |
3b5dd52a JS |
2989 | goto err_post_rxbufs_exit; |
2990 | } | |
2991 | ||
2992 | /* Queue buffers for the receive exchange */ | |
2993 | num_bde = (uint32_t)rxbuffer->flag; | |
2994 | dmp = &rxbuffer->dma; | |
2995 | ||
2996 | cmd = &cmdiocbq->iocb; | |
2997 | i = 0; | |
2998 | ||
2999 | INIT_LIST_HEAD(&head); | |
3000 | list_add_tail(&head, &dmp->list); | |
3001 | list_for_each_safe(curr, next, &head) { | |
3002 | mp[i] = list_entry(curr, struct lpfc_dmabuf, list); | |
3003 | list_del(curr); | |
3004 | ||
3005 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { | |
3006 | mp[i]->buffer_tag = lpfc_sli_get_buffer_tag(phba); | |
3007 | cmd->un.quexri64cx.buff.bde.addrHigh = | |
3008 | putPaddrHigh(mp[i]->phys); | |
3009 | cmd->un.quexri64cx.buff.bde.addrLow = | |
3010 | putPaddrLow(mp[i]->phys); | |
3011 | cmd->un.quexri64cx.buff.bde.tus.f.bdeSize = | |
3012 | ((struct lpfc_dmabufext *)mp[i])->size; | |
3013 | cmd->un.quexri64cx.buff.buffer_tag = mp[i]->buffer_tag; | |
3014 | cmd->ulpCommand = CMD_QUE_XRI64_CX; | |
3015 | cmd->ulpPU = 0; | |
3016 | cmd->ulpLe = 1; | |
3017 | cmd->ulpBdeCount = 1; | |
3018 | cmd->unsli3.que_xri64cx_ext_words.ebde_count = 0; | |
3019 | ||
3020 | } else { | |
3021 | cmd->un.cont64[i].addrHigh = putPaddrHigh(mp[i]->phys); | |
3022 | cmd->un.cont64[i].addrLow = putPaddrLow(mp[i]->phys); | |
3023 | cmd->un.cont64[i].tus.f.bdeSize = | |
3024 | ((struct lpfc_dmabufext *)mp[i])->size; | |
258f84fa | 3025 | cmd->ulpBdeCount = ++i; |
3b5dd52a JS |
3026 | |
3027 | if ((--num_bde > 0) && (i < 2)) | |
3028 | continue; | |
3029 | ||
3030 | cmd->ulpCommand = CMD_QUE_XRI_BUF64_CX; | |
3031 | cmd->ulpLe = 1; | |
3032 | } | |
3033 | ||
3034 | cmd->ulpClass = CLASS3; | |
3035 | cmd->ulpContext = rxxri; | |
3036 | ||
d439d286 JS |
3037 | iocb_stat = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, |
3038 | 0); | |
3039 | if (iocb_stat == IOCB_ERROR) { | |
3b5dd52a JS |
3040 | diag_cmd_data_free(phba, |
3041 | (struct lpfc_dmabufext *)mp[0]); | |
3042 | if (mp[1]) | |
3043 | diag_cmd_data_free(phba, | |
3044 | (struct lpfc_dmabufext *)mp[1]); | |
3045 | dmp = list_entry(next, struct lpfc_dmabuf, list); | |
d439d286 | 3046 | ret_val = -EIO; |
3b5dd52a JS |
3047 | goto err_post_rxbufs_exit; |
3048 | } | |
3049 | ||
3050 | lpfc_sli_ringpostbuf_put(phba, pring, mp[0]); | |
3051 | if (mp[1]) { | |
3052 | lpfc_sli_ringpostbuf_put(phba, pring, mp[1]); | |
3053 | mp[1] = NULL; | |
3054 | } | |
3055 | ||
3056 | /* The iocb was freed by lpfc_sli_issue_iocb */ | |
3057 | cmdiocbq = lpfc_sli_get_iocbq(phba); | |
3058 | if (!cmdiocbq) { | |
3059 | dmp = list_entry(next, struct lpfc_dmabuf, list); | |
d439d286 | 3060 | ret_val = -EIO; |
3b5dd52a JS |
3061 | goto err_post_rxbufs_exit; |
3062 | } | |
3063 | ||
3064 | cmd = &cmdiocbq->iocb; | |
3065 | i = 0; | |
3066 | } | |
3067 | list_del(&head); | |
3068 | ||
3069 | err_post_rxbufs_exit: | |
3070 | ||
3071 | if (rxbmp) { | |
3072 | if (rxbmp->virt) | |
3073 | lpfc_mbuf_free(phba, rxbmp->virt, rxbmp->phys); | |
3074 | kfree(rxbmp); | |
3075 | } | |
3076 | ||
3077 | if (cmdiocbq) | |
3078 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
3079 | return ret_val; | |
3080 | } | |
3081 | ||
3082 | /** | |
7ad20aa9 | 3083 | * lpfc_bsg_diag_loopback_run - run loopback on a port by issue ct cmd to itself |
3b5dd52a JS |
3084 | * @job: LPFC_BSG_VENDOR_DIAG_TEST fc_bsg_job |
3085 | * | |
3086 | * This function receives a user data buffer to be transmitted and received on | |
3087 | * the same port, the link must be up and in loopback mode prior | |
3088 | * to being called. | |
3089 | * 1. A kernel buffer is allocated to copy the user data into. | |
3090 | * 2. The port registers with "itself". | |
3091 | * 3. The transmit and receive exchange ids are obtained. | |
3092 | * 4. The receive exchange id is posted. | |
3093 | * 5. A new els loopback event is created. | |
3094 | * 6. The command and response iocbs are allocated. | |
3095 | * 7. The cmd iocb FsType is set to elx loopback and the CmdRsp to looppback. | |
3096 | * | |
3097 | * This function is meant to be called n times while the port is in loopback | |
3098 | * so it is the apps responsibility to issue a reset to take the port out | |
3099 | * of loopback mode. | |
3100 | **/ | |
3101 | static int | |
75cc8cfc | 3102 | lpfc_bsg_diag_loopback_run(struct bsg_job *job) |
3b5dd52a | 3103 | { |
cd21c605 | 3104 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
01e0e15c | 3105 | struct fc_bsg_reply *bsg_reply = job->reply; |
3b5dd52a | 3106 | struct lpfc_hba *phba = vport->phba; |
3b5dd52a JS |
3107 | struct lpfc_bsg_event *evt; |
3108 | struct event_data *evdat; | |
3109 | struct lpfc_sli *psli = &phba->sli; | |
3110 | uint32_t size; | |
3111 | uint32_t full_size; | |
3112 | size_t segment_len = 0, segment_offset = 0, current_offset = 0; | |
4042629e | 3113 | uint16_t rpi = 0; |
1b51197d JS |
3114 | struct lpfc_iocbq *cmdiocbq, *rspiocbq = NULL; |
3115 | IOCB_t *cmd, *rsp = NULL; | |
3b5dd52a JS |
3116 | struct lpfc_sli_ct_request *ctreq; |
3117 | struct lpfc_dmabuf *txbmp; | |
3118 | struct ulp_bde64 *txbpl = NULL; | |
3119 | struct lpfc_dmabufext *txbuffer = NULL; | |
3120 | struct list_head head; | |
3121 | struct lpfc_dmabuf *curr; | |
1b51197d | 3122 | uint16_t txxri = 0, rxxri; |
3b5dd52a JS |
3123 | uint32_t num_bde; |
3124 | uint8_t *ptr = NULL, *rx_databuf = NULL; | |
3125 | int rc = 0; | |
d439d286 | 3126 | int time_left; |
5a0916b4 | 3127 | int iocb_stat = IOCB_SUCCESS; |
3b5dd52a JS |
3128 | unsigned long flags; |
3129 | void *dataout = NULL; | |
3130 | uint32_t total_mem; | |
3131 | ||
3132 | /* in case no data is returned return just the return code */ | |
01e0e15c | 3133 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a JS |
3134 | |
3135 | if (job->request_len < | |
3136 | sizeof(struct fc_bsg_request) + sizeof(struct diag_mode_test)) { | |
3137 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
3138 | "2739 Received DIAG TEST request below minimum " | |
3139 | "size\n"); | |
3140 | rc = -EINVAL; | |
3141 | goto loopback_test_exit; | |
3142 | } | |
3143 | ||
3144 | if (job->request_payload.payload_len != | |
3145 | job->reply_payload.payload_len) { | |
3146 | rc = -EINVAL; | |
3147 | goto loopback_test_exit; | |
3148 | } | |
3b5dd52a JS |
3149 | |
3150 | if ((phba->link_state == LPFC_HBA_ERROR) || | |
3151 | (psli->sli_flag & LPFC_BLOCK_MGMT_IO) || | |
3152 | (!(psli->sli_flag & LPFC_SLI_ACTIVE))) { | |
3153 | rc = -EACCES; | |
3154 | goto loopback_test_exit; | |
3155 | } | |
3156 | ||
3157 | if (!lpfc_is_link_up(phba) || !(phba->link_flag & LS_LOOPBACK_MODE)) { | |
3158 | rc = -EACCES; | |
3159 | goto loopback_test_exit; | |
3160 | } | |
3161 | ||
3162 | size = job->request_payload.payload_len; | |
3163 | full_size = size + ELX_LOOPBACK_HEADER_SZ; /* plus the header */ | |
3164 | ||
3165 | if ((size == 0) || (size > 80 * BUF_SZ_4K)) { | |
3166 | rc = -ERANGE; | |
3167 | goto loopback_test_exit; | |
3168 | } | |
3169 | ||
63e801ce | 3170 | if (full_size >= BUF_SZ_4K) { |
3b5dd52a JS |
3171 | /* |
3172 | * Allocate memory for ioctl data. If buffer is bigger than 64k, | |
3173 | * then we allocate 64k and re-use that buffer over and over to | |
3174 | * xfer the whole block. This is because Linux kernel has a | |
3175 | * problem allocating more than 120k of kernel space memory. Saw | |
3176 | * problem with GET_FCPTARGETMAPPING... | |
3177 | */ | |
3178 | if (size <= (64 * 1024)) | |
63e801ce | 3179 | total_mem = full_size; |
3b5dd52a JS |
3180 | else |
3181 | total_mem = 64 * 1024; | |
3182 | } else | |
3183 | /* Allocate memory for ioctl data */ | |
3184 | total_mem = BUF_SZ_4K; | |
3185 | ||
3186 | dataout = kmalloc(total_mem, GFP_KERNEL); | |
3187 | if (dataout == NULL) { | |
3188 | rc = -ENOMEM; | |
3189 | goto loopback_test_exit; | |
3190 | } | |
3191 | ||
3192 | ptr = dataout; | |
3193 | ptr += ELX_LOOPBACK_HEADER_SZ; | |
3194 | sg_copy_to_buffer(job->request_payload.sg_list, | |
3195 | job->request_payload.sg_cnt, | |
3196 | ptr, size); | |
3b5dd52a | 3197 | rc = lpfcdiag_loop_self_reg(phba, &rpi); |
d439d286 | 3198 | if (rc) |
3b5dd52a | 3199 | goto loopback_test_exit; |
3b5dd52a | 3200 | |
1b51197d JS |
3201 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3202 | rc = lpfcdiag_loop_get_xri(phba, rpi, &txxri, &rxxri); | |
3203 | if (rc) { | |
3204 | lpfcdiag_loop_self_unreg(phba, rpi); | |
3205 | goto loopback_test_exit; | |
3206 | } | |
3b5dd52a | 3207 | |
1b51197d JS |
3208 | rc = lpfcdiag_loop_post_rxbufs(phba, rxxri, full_size); |
3209 | if (rc) { | |
3210 | lpfcdiag_loop_self_unreg(phba, rpi); | |
3211 | goto loopback_test_exit; | |
3212 | } | |
3b5dd52a | 3213 | } |
3b5dd52a JS |
3214 | evt = lpfc_bsg_event_new(FC_REG_CT_EVENT, current->pid, |
3215 | SLI_CT_ELX_LOOPBACK); | |
3216 | if (!evt) { | |
3217 | lpfcdiag_loop_self_unreg(phba, rpi); | |
3218 | rc = -ENOMEM; | |
3219 | goto loopback_test_exit; | |
3220 | } | |
3221 | ||
3222 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
3223 | list_add(&evt->node, &phba->ct_ev_waiters); | |
3224 | lpfc_bsg_event_ref(evt); | |
3225 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
3226 | ||
3227 | cmdiocbq = lpfc_sli_get_iocbq(phba); | |
1b51197d JS |
3228 | if (phba->sli_rev < LPFC_SLI_REV4) |
3229 | rspiocbq = lpfc_sli_get_iocbq(phba); | |
3b5dd52a JS |
3230 | txbmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
3231 | ||
3232 | if (txbmp) { | |
3233 | txbmp->virt = lpfc_mbuf_alloc(phba, 0, &txbmp->phys); | |
c7495937 JS |
3234 | if (txbmp->virt) { |
3235 | INIT_LIST_HEAD(&txbmp->list); | |
3236 | txbpl = (struct ulp_bde64 *) txbmp->virt; | |
3b5dd52a JS |
3237 | txbuffer = diag_cmd_data_alloc(phba, |
3238 | txbpl, full_size, 0); | |
c7495937 | 3239 | } |
3b5dd52a JS |
3240 | } |
3241 | ||
1b51197d JS |
3242 | if (!cmdiocbq || !txbmp || !txbpl || !txbuffer || !txbmp->virt) { |
3243 | rc = -ENOMEM; | |
3244 | goto err_loopback_test_exit; | |
3245 | } | |
3246 | if ((phba->sli_rev < LPFC_SLI_REV4) && !rspiocbq) { | |
3b5dd52a JS |
3247 | rc = -ENOMEM; |
3248 | goto err_loopback_test_exit; | |
3249 | } | |
3250 | ||
3251 | cmd = &cmdiocbq->iocb; | |
1b51197d JS |
3252 | if (phba->sli_rev < LPFC_SLI_REV4) |
3253 | rsp = &rspiocbq->iocb; | |
3b5dd52a JS |
3254 | |
3255 | INIT_LIST_HEAD(&head); | |
3256 | list_add_tail(&head, &txbuffer->dma.list); | |
3257 | list_for_each_entry(curr, &head, list) { | |
3258 | segment_len = ((struct lpfc_dmabufext *)curr)->size; | |
3259 | if (current_offset == 0) { | |
3260 | ctreq = curr->virt; | |
3261 | memset(ctreq, 0, ELX_LOOPBACK_HEADER_SZ); | |
3262 | ctreq->RevisionId.bits.Revision = SLI_CT_REVISION; | |
3263 | ctreq->RevisionId.bits.InId = 0; | |
3264 | ctreq->FsType = SLI_CT_ELX_LOOPBACK; | |
3265 | ctreq->FsSubType = 0; | |
3266 | ctreq->CommandResponse.bits.CmdRsp = ELX_LOOPBACK_DATA; | |
3267 | ctreq->CommandResponse.bits.Size = size; | |
3268 | segment_offset = ELX_LOOPBACK_HEADER_SZ; | |
3269 | } else | |
3270 | segment_offset = 0; | |
3271 | ||
3272 | BUG_ON(segment_offset >= segment_len); | |
3273 | memcpy(curr->virt + segment_offset, | |
3274 | ptr + current_offset, | |
3275 | segment_len - segment_offset); | |
3276 | ||
3277 | current_offset += segment_len - segment_offset; | |
3278 | BUG_ON(current_offset > size); | |
3279 | } | |
3280 | list_del(&head); | |
3281 | ||
3282 | /* Build the XMIT_SEQUENCE iocb */ | |
3b5dd52a JS |
3283 | num_bde = (uint32_t)txbuffer->flag; |
3284 | ||
3285 | cmd->un.xseq64.bdl.addrHigh = putPaddrHigh(txbmp->phys); | |
3286 | cmd->un.xseq64.bdl.addrLow = putPaddrLow(txbmp->phys); | |
3287 | cmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
3288 | cmd->un.xseq64.bdl.bdeSize = (num_bde * sizeof(struct ulp_bde64)); | |
3289 | ||
3290 | cmd->un.xseq64.w5.hcsw.Fctl = (LS | LA); | |
3291 | cmd->un.xseq64.w5.hcsw.Dfctl = 0; | |
3292 | cmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL; | |
3293 | cmd->un.xseq64.w5.hcsw.Type = FC_TYPE_CT; | |
3294 | ||
3295 | cmd->ulpCommand = CMD_XMIT_SEQUENCE64_CX; | |
3296 | cmd->ulpBdeCount = 1; | |
3297 | cmd->ulpLe = 1; | |
3298 | cmd->ulpClass = CLASS3; | |
3b5dd52a | 3299 | |
1b51197d JS |
3300 | if (phba->sli_rev < LPFC_SLI_REV4) { |
3301 | cmd->ulpContext = txxri; | |
3302 | } else { | |
3303 | cmd->un.xseq64.bdl.ulpIoTag32 = 0; | |
3304 | cmd->un.ulpWord[3] = phba->sli4_hba.rpi_ids[rpi]; | |
3305 | cmdiocbq->context3 = txbmp; | |
3306 | cmdiocbq->sli4_xritag = NO_XRI; | |
3307 | cmd->unsli3.rcvsli3.ox_id = 0xffff; | |
3308 | } | |
3b5dd52a | 3309 | cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; |
6c7cf486 | 3310 | cmdiocbq->iocb_flag |= LPFC_IO_LOOPBACK; |
3b5dd52a | 3311 | cmdiocbq->vport = phba->pport; |
5a0916b4 | 3312 | cmdiocbq->iocb_cmpl = NULL; |
d439d286 JS |
3313 | iocb_stat = lpfc_sli_issue_iocb_wait(phba, LPFC_ELS_RING, cmdiocbq, |
3314 | rspiocbq, (phba->fc_ratov * 2) + | |
3315 | LPFC_DRVR_TIMEOUT); | |
3b5dd52a | 3316 | |
53151bbb JS |
3317 | if ((iocb_stat != IOCB_SUCCESS) || |
3318 | ((phba->sli_rev < LPFC_SLI_REV4) && | |
3319 | (rsp->ulpStatus != IOSTAT_SUCCESS))) { | |
1b51197d JS |
3320 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, |
3321 | "3126 Failed loopback test issue iocb: " | |
3322 | "iocb_stat:x%x\n", iocb_stat); | |
3b5dd52a JS |
3323 | rc = -EIO; |
3324 | goto err_loopback_test_exit; | |
3325 | } | |
3326 | ||
3327 | evt->waiting = 1; | |
d439d286 | 3328 | time_left = wait_event_interruptible_timeout( |
3b5dd52a | 3329 | evt->wq, !list_empty(&evt->events_to_see), |
256ec0d0 JS |
3330 | msecs_to_jiffies(1000 * |
3331 | ((phba->fc_ratov * 2) + LPFC_DRVR_TIMEOUT))); | |
3b5dd52a | 3332 | evt->waiting = 0; |
1b51197d | 3333 | if (list_empty(&evt->events_to_see)) { |
d439d286 | 3334 | rc = (time_left) ? -EINTR : -ETIMEDOUT; |
1b51197d JS |
3335 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, |
3336 | "3125 Not receiving unsolicited event, " | |
3337 | "rc:x%x\n", rc); | |
3338 | } else { | |
3b5dd52a JS |
3339 | spin_lock_irqsave(&phba->ct_ev_lock, flags); |
3340 | list_move(evt->events_to_see.prev, &evt->events_to_get); | |
3341 | evdat = list_entry(evt->events_to_get.prev, | |
3342 | typeof(*evdat), node); | |
3343 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
3344 | rx_databuf = evdat->data; | |
3345 | if (evdat->len != full_size) { | |
3346 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
3347 | "1603 Loopback test did not receive expected " | |
3348 | "data length. actual length 0x%x expected " | |
3349 | "length 0x%x\n", | |
3350 | evdat->len, full_size); | |
3351 | rc = -EIO; | |
3352 | } else if (rx_databuf == NULL) | |
3353 | rc = -EIO; | |
3354 | else { | |
3355 | rc = IOCB_SUCCESS; | |
3356 | /* skip over elx loopback header */ | |
3357 | rx_databuf += ELX_LOOPBACK_HEADER_SZ; | |
01e0e15c | 3358 | bsg_reply->reply_payload_rcv_len = |
3b5dd52a JS |
3359 | sg_copy_from_buffer(job->reply_payload.sg_list, |
3360 | job->reply_payload.sg_cnt, | |
3361 | rx_databuf, size); | |
01e0e15c | 3362 | bsg_reply->reply_payload_rcv_len = size; |
3b5dd52a JS |
3363 | } |
3364 | } | |
3365 | ||
3366 | err_loopback_test_exit: | |
3367 | lpfcdiag_loop_self_unreg(phba, rpi); | |
3368 | ||
3369 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
3370 | lpfc_bsg_event_unref(evt); /* release ref */ | |
3371 | lpfc_bsg_event_unref(evt); /* delete */ | |
3372 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
3373 | ||
5a0916b4 | 3374 | if ((cmdiocbq != NULL) && (iocb_stat != IOCB_TIMEDOUT)) |
3b5dd52a JS |
3375 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
3376 | ||
3377 | if (rspiocbq != NULL) | |
3378 | lpfc_sli_release_iocbq(phba, rspiocbq); | |
3379 | ||
3380 | if (txbmp != NULL) { | |
3381 | if (txbpl != NULL) { | |
3382 | if (txbuffer != NULL) | |
3383 | diag_cmd_data_free(phba, txbuffer); | |
3384 | lpfc_mbuf_free(phba, txbmp->virt, txbmp->phys); | |
3385 | } | |
3386 | kfree(txbmp); | |
3387 | } | |
3388 | ||
3389 | loopback_test_exit: | |
3390 | kfree(dataout); | |
3391 | /* make error code available to userspace */ | |
01e0e15c | 3392 | bsg_reply->result = rc; |
3b5dd52a JS |
3393 | job->dd_data = NULL; |
3394 | /* complete the job back to userspace if no error */ | |
1b51197d | 3395 | if (rc == IOCB_SUCCESS) |
06548160 | 3396 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 3397 | bsg_reply->reply_payload_rcv_len); |
3b5dd52a JS |
3398 | return rc; |
3399 | } | |
3400 | ||
3401 | /** | |
3402 | * lpfc_bsg_get_dfc_rev - process a GET_DFC_REV bsg vendor command | |
3403 | * @job: GET_DFC_REV fc_bsg_job | |
3404 | **/ | |
3405 | static int | |
75cc8cfc | 3406 | lpfc_bsg_get_dfc_rev(struct bsg_job *job) |
3b5dd52a | 3407 | { |
cd21c605 | 3408 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
01e0e15c | 3409 | struct fc_bsg_reply *bsg_reply = job->reply; |
3b5dd52a | 3410 | struct lpfc_hba *phba = vport->phba; |
3b5dd52a JS |
3411 | struct get_mgmt_rev_reply *event_reply; |
3412 | int rc = 0; | |
3413 | ||
3414 | if (job->request_len < | |
3415 | sizeof(struct fc_bsg_request) + sizeof(struct get_mgmt_rev)) { | |
3416 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
3417 | "2740 Received GET_DFC_REV request below " | |
3418 | "minimum size\n"); | |
3419 | rc = -EINVAL; | |
3420 | goto job_error; | |
3421 | } | |
3422 | ||
3b5dd52a | 3423 | event_reply = (struct get_mgmt_rev_reply *) |
01e0e15c | 3424 | bsg_reply->reply_data.vendor_reply.vendor_rsp; |
3b5dd52a JS |
3425 | |
3426 | if (job->reply_len < | |
3427 | sizeof(struct fc_bsg_request) + sizeof(struct get_mgmt_rev_reply)) { | |
3428 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
3429 | "2741 Received GET_DFC_REV reply below " | |
3430 | "minimum size\n"); | |
3431 | rc = -EINVAL; | |
3432 | goto job_error; | |
3433 | } | |
3434 | ||
3435 | event_reply->info.a_Major = MANAGEMENT_MAJOR_REV; | |
3436 | event_reply->info.a_Minor = MANAGEMENT_MINOR_REV; | |
3437 | job_error: | |
01e0e15c | 3438 | bsg_reply->result = rc; |
3b5dd52a | 3439 | if (rc == 0) |
06548160 | 3440 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 3441 | bsg_reply->reply_payload_rcv_len); |
3b5dd52a JS |
3442 | return rc; |
3443 | } | |
3444 | ||
3445 | /** | |
7ad20aa9 | 3446 | * lpfc_bsg_issue_mbox_cmpl - lpfc_bsg_issue_mbox mbox completion handler |
3b5dd52a JS |
3447 | * @phba: Pointer to HBA context object. |
3448 | * @pmboxq: Pointer to mailbox command. | |
3449 | * | |
3450 | * This is completion handler function for mailbox commands issued from | |
3451 | * lpfc_bsg_issue_mbox function. This function is called by the | |
3452 | * mailbox event handler function with no lock held. This function | |
3453 | * will wake up thread waiting on the wait queue pointed by context1 | |
3454 | * of the mailbox. | |
3455 | **/ | |
9ab9b134 | 3456 | static void |
7ad20aa9 | 3457 | lpfc_bsg_issue_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
3b5dd52a JS |
3458 | { |
3459 | struct bsg_job_data *dd_data; | |
01e0e15c | 3460 | struct fc_bsg_reply *bsg_reply; |
75cc8cfc | 3461 | struct bsg_job *job; |
3b5dd52a JS |
3462 | uint32_t size; |
3463 | unsigned long flags; | |
7ad20aa9 | 3464 | uint8_t *pmb, *pmb_buf; |
3b5dd52a | 3465 | |
3e1f0718 | 3466 | dd_data = pmboxq->ctx_ndlp; |
3b5dd52a | 3467 | |
7ad20aa9 JS |
3468 | /* |
3469 | * The outgoing buffer is readily referred from the dma buffer, | |
3470 | * just need to get header part from mailboxq structure. | |
7a470277 | 3471 | */ |
7ad20aa9 JS |
3472 | pmb = (uint8_t *)&pmboxq->u.mb; |
3473 | pmb_buf = (uint8_t *)dd_data->context_un.mbox.mb; | |
3474 | memcpy(pmb_buf, pmb, sizeof(MAILBOX_t)); | |
7a470277 | 3475 | |
a33c4f7b JS |
3476 | /* Determine if job has been aborted */ |
3477 | ||
3478 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
3479 | job = dd_data->set_job; | |
3480 | if (job) { | |
3481 | /* Prevent timeout handling from trying to abort job */ | |
3482 | job->dd_data = NULL; | |
3483 | } | |
3484 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
3485 | ||
3486 | /* Copy the mailbox data to the job if it is still active */ | |
3487 | ||
5a6f133e | 3488 | if (job) { |
01e0e15c | 3489 | bsg_reply = job->reply; |
5a6f133e | 3490 | size = job->reply_payload.payload_len; |
01e0e15c | 3491 | bsg_reply->reply_payload_rcv_len = |
5a6f133e | 3492 | sg_copy_from_buffer(job->reply_payload.sg_list, |
7ad20aa9 JS |
3493 | job->reply_payload.sg_cnt, |
3494 | pmb_buf, size); | |
5a6f133e | 3495 | } |
7a470277 | 3496 | |
a33c4f7b | 3497 | dd_data->set_job = NULL; |
3b5dd52a | 3498 | mempool_free(dd_data->context_un.mbox.pmboxq, phba->mbox_mem_pool); |
7ad20aa9 JS |
3499 | lpfc_bsg_dma_page_free(phba, dd_data->context_un.mbox.dmabuffers); |
3500 | kfree(dd_data); | |
3501 | ||
a33c4f7b JS |
3502 | /* Complete the job if the job is still active */ |
3503 | ||
7ad20aa9 | 3504 | if (job) { |
01e0e15c | 3505 | bsg_reply->result = 0; |
06548160 | 3506 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 3507 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 JS |
3508 | } |
3509 | return; | |
3510 | } | |
3511 | ||
3512 | /** | |
3513 | * lpfc_bsg_check_cmd_access - test for a supported mailbox command | |
3514 | * @phba: Pointer to HBA context object. | |
3515 | * @mb: Pointer to a mailbox object. | |
3516 | * @vport: Pointer to a vport object. | |
3517 | * | |
3518 | * Some commands require the port to be offline, some may not be called from | |
3519 | * the application. | |
3520 | **/ | |
3521 | static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba, | |
3522 | MAILBOX_t *mb, struct lpfc_vport *vport) | |
3523 | { | |
3524 | /* return negative error values for bsg job */ | |
3525 | switch (mb->mbxCommand) { | |
3526 | /* Offline only */ | |
3527 | case MBX_INIT_LINK: | |
3528 | case MBX_DOWN_LINK: | |
3529 | case MBX_CONFIG_LINK: | |
3530 | case MBX_CONFIG_RING: | |
3531 | case MBX_RESET_RING: | |
3532 | case MBX_UNREG_LOGIN: | |
3533 | case MBX_CLEAR_LA: | |
3534 | case MBX_DUMP_CONTEXT: | |
3535 | case MBX_RUN_DIAGS: | |
3536 | case MBX_RESTART: | |
3537 | case MBX_SET_MASK: | |
3538 | if (!(vport->fc_flag & FC_OFFLINE_MODE)) { | |
3539 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
3540 | "2743 Command 0x%x is illegal in on-line " | |
3541 | "state\n", | |
3542 | mb->mbxCommand); | |
3543 | return -EPERM; | |
3544 | } | |
3545 | case MBX_WRITE_NV: | |
3546 | case MBX_WRITE_VPARMS: | |
3547 | case MBX_LOAD_SM: | |
3548 | case MBX_READ_NV: | |
3549 | case MBX_READ_CONFIG: | |
3550 | case MBX_READ_RCONFIG: | |
3551 | case MBX_READ_STATUS: | |
3552 | case MBX_READ_XRI: | |
3553 | case MBX_READ_REV: | |
3554 | case MBX_READ_LNK_STAT: | |
3555 | case MBX_DUMP_MEMORY: | |
3556 | case MBX_DOWN_LOAD: | |
3557 | case MBX_UPDATE_CFG: | |
3558 | case MBX_KILL_BOARD: | |
06f35551 | 3559 | case MBX_READ_TOPOLOGY: |
7ad20aa9 JS |
3560 | case MBX_LOAD_AREA: |
3561 | case MBX_LOAD_EXP_ROM: | |
3562 | case MBX_BEACON: | |
3563 | case MBX_DEL_LD_ENTRY: | |
3564 | case MBX_SET_DEBUG: | |
3565 | case MBX_WRITE_WWN: | |
3566 | case MBX_SLI4_CONFIG: | |
3567 | case MBX_READ_EVENT_LOG: | |
3568 | case MBX_READ_EVENT_LOG_STATUS: | |
3569 | case MBX_WRITE_EVENT_LOG: | |
3570 | case MBX_PORT_CAPABILITIES: | |
3571 | case MBX_PORT_IOV_CONTROL: | |
3572 | case MBX_RUN_BIU_DIAG64: | |
3573 | break; | |
3574 | case MBX_SET_VARIABLE: | |
3575 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
3576 | "1226 mbox: set_variable 0x%x, 0x%x\n", | |
3577 | mb->un.varWords[0], | |
3578 | mb->un.varWords[1]); | |
3579 | if ((mb->un.varWords[0] == SETVAR_MLOMNT) | |
3580 | && (mb->un.varWords[1] == 1)) { | |
3581 | phba->wait_4_mlo_maint_flg = 1; | |
3582 | } else if (mb->un.varWords[0] == SETVAR_MLORST) { | |
1b51197d | 3583 | spin_lock_irq(&phba->hbalock); |
7ad20aa9 | 3584 | phba->link_flag &= ~LS_LOOPBACK_MODE; |
1b51197d | 3585 | spin_unlock_irq(&phba->hbalock); |
7ad20aa9 JS |
3586 | phba->fc_topology = LPFC_TOPOLOGY_PT_PT; |
3587 | } | |
3588 | break; | |
3589 | case MBX_READ_SPARM64: | |
7ad20aa9 JS |
3590 | case MBX_REG_LOGIN: |
3591 | case MBX_REG_LOGIN64: | |
3592 | case MBX_CONFIG_PORT: | |
3593 | case MBX_RUN_BIU_DIAG: | |
3594 | default: | |
3595 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
3596 | "2742 Unknown Command 0x%x\n", | |
3597 | mb->mbxCommand); | |
3598 | return -EPERM; | |
3599 | } | |
3600 | ||
3601 | return 0; /* ok */ | |
3602 | } | |
3603 | ||
3604 | /** | |
3605 | * lpfc_bsg_mbox_ext_cleanup - clean up context of multi-buffer mbox session | |
3606 | * @phba: Pointer to HBA context object. | |
3607 | * | |
3608 | * This is routine clean up and reset BSG handling of multi-buffer mbox | |
3609 | * command session. | |
3610 | **/ | |
3611 | static void | |
3612 | lpfc_bsg_mbox_ext_session_reset(struct lpfc_hba *phba) | |
3613 | { | |
3614 | if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_IDLE) | |
3615 | return; | |
3616 | ||
3617 | /* free all memory, including dma buffers */ | |
3618 | lpfc_bsg_dma_page_list_free(phba, | |
3619 | &phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
3620 | lpfc_bsg_dma_page_free(phba, phba->mbox_ext_buf_ctx.mbx_dmabuf); | |
3621 | /* multi-buffer write mailbox command pass-through complete */ | |
3622 | memset((char *)&phba->mbox_ext_buf_ctx, 0, | |
3623 | sizeof(struct lpfc_mbox_ext_buf_ctx)); | |
3624 | INIT_LIST_HEAD(&phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
3625 | ||
3626 | return; | |
3627 | } | |
3628 | ||
3629 | /** | |
3630 | * lpfc_bsg_issue_mbox_ext_handle_job - job handler for multi-buffer mbox cmpl | |
3631 | * @phba: Pointer to HBA context object. | |
3632 | * @pmboxq: Pointer to mailbox command. | |
3633 | * | |
3634 | * This is routine handles BSG job for mailbox commands completions with | |
3635 | * multiple external buffers. | |
3636 | **/ | |
75cc8cfc | 3637 | static struct bsg_job * |
7ad20aa9 JS |
3638 | lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
3639 | { | |
3640 | struct bsg_job_data *dd_data; | |
75cc8cfc | 3641 | struct bsg_job *job; |
01e0e15c | 3642 | struct fc_bsg_reply *bsg_reply; |
7ad20aa9 JS |
3643 | uint8_t *pmb, *pmb_buf; |
3644 | unsigned long flags; | |
3645 | uint32_t size; | |
3646 | int rc = 0; | |
026abb87 JS |
3647 | struct lpfc_dmabuf *dmabuf; |
3648 | struct lpfc_sli_config_mbox *sli_cfg_mbx; | |
3649 | uint8_t *pmbx; | |
7ad20aa9 | 3650 | |
3e1f0718 | 3651 | dd_data = pmboxq->ctx_buf; |
a33c4f7b JS |
3652 | |
3653 | /* Determine if job has been aborted */ | |
3654 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
3655 | job = dd_data->set_job; | |
3656 | if (job) { | |
01e0e15c | 3657 | bsg_reply = job->reply; |
a33c4f7b JS |
3658 | /* Prevent timeout handling from trying to abort job */ |
3659 | job->dd_data = NULL; | |
7ad20aa9 | 3660 | } |
a33c4f7b | 3661 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
7ad20aa9 JS |
3662 | |
3663 | /* | |
3664 | * The outgoing buffer is readily referred from the dma buffer, | |
3665 | * just need to get header part from mailboxq structure. | |
3666 | */ | |
a33c4f7b | 3667 | |
7ad20aa9 JS |
3668 | pmb = (uint8_t *)&pmboxq->u.mb; |
3669 | pmb_buf = (uint8_t *)dd_data->context_un.mbox.mb; | |
026abb87 | 3670 | /* Copy the byte swapped response mailbox back to the user */ |
7ad20aa9 | 3671 | memcpy(pmb_buf, pmb, sizeof(MAILBOX_t)); |
026abb87 JS |
3672 | /* if there is any non-embedded extended data copy that too */ |
3673 | dmabuf = phba->mbox_ext_buf_ctx.mbx_dmabuf; | |
3674 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt; | |
3675 | if (!bsg_bf_get(lpfc_mbox_hdr_emb, | |
3676 | &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) { | |
3677 | pmbx = (uint8_t *)dmabuf->virt; | |
3678 | /* byte swap the extended data following the mailbox command */ | |
3679 | lpfc_sli_pcimem_bcopy(&pmbx[sizeof(MAILBOX_t)], | |
3680 | &pmbx[sizeof(MAILBOX_t)], | |
3681 | sli_cfg_mbx->un.sli_config_emb0_subsys.mse[0].buf_len); | |
3682 | } | |
7ad20aa9 | 3683 | |
a33c4f7b JS |
3684 | /* Complete the job if the job is still active */ |
3685 | ||
7ad20aa9 JS |
3686 | if (job) { |
3687 | size = job->reply_payload.payload_len; | |
01e0e15c | 3688 | bsg_reply->reply_payload_rcv_len = |
7ad20aa9 JS |
3689 | sg_copy_from_buffer(job->reply_payload.sg_list, |
3690 | job->reply_payload.sg_cnt, | |
3691 | pmb_buf, size); | |
a33c4f7b | 3692 | |
7ad20aa9 | 3693 | /* result for successful */ |
01e0e15c | 3694 | bsg_reply->result = 0; |
a33c4f7b | 3695 | |
7ad20aa9 | 3696 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
7afc0ce9 | 3697 | "2937 SLI_CONFIG ext-buffer mailbox command " |
7ad20aa9 JS |
3698 | "(x%x/x%x) complete bsg job done, bsize:%d\n", |
3699 | phba->mbox_ext_buf_ctx.nembType, | |
3700 | phba->mbox_ext_buf_ctx.mboxType, size); | |
b76f2dc9 JS |
3701 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, |
3702 | phba->mbox_ext_buf_ctx.nembType, | |
3703 | phba->mbox_ext_buf_ctx.mboxType, | |
3704 | dma_ebuf, sta_pos_addr, | |
3705 | phba->mbox_ext_buf_ctx.mbx_dmabuf, 0); | |
a33c4f7b | 3706 | } else { |
7ad20aa9 | 3707 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, |
7afc0ce9 | 3708 | "2938 SLI_CONFIG ext-buffer mailbox " |
7ad20aa9 JS |
3709 | "command (x%x/x%x) failure, rc:x%x\n", |
3710 | phba->mbox_ext_buf_ctx.nembType, | |
3711 | phba->mbox_ext_buf_ctx.mboxType, rc); | |
a33c4f7b JS |
3712 | } |
3713 | ||
3714 | ||
7ad20aa9 JS |
3715 | /* state change */ |
3716 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_DONE; | |
3717 | kfree(dd_data); | |
7ad20aa9 JS |
3718 | return job; |
3719 | } | |
3720 | ||
3721 | /** | |
3722 | * lpfc_bsg_issue_read_mbox_ext_cmpl - compl handler for multi-buffer read mbox | |
3723 | * @phba: Pointer to HBA context object. | |
3724 | * @pmboxq: Pointer to mailbox command. | |
3725 | * | |
3726 | * This is completion handler function for mailbox read commands with multiple | |
3727 | * external buffers. | |
3728 | **/ | |
3729 | static void | |
3730 | lpfc_bsg_issue_read_mbox_ext_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
3731 | { | |
75cc8cfc | 3732 | struct bsg_job *job; |
1abaede7 | 3733 | struct fc_bsg_reply *bsg_reply; |
7ad20aa9 | 3734 | |
a33c4f7b JS |
3735 | job = lpfc_bsg_issue_mbox_ext_handle_job(phba, pmboxq); |
3736 | ||
7ad20aa9 | 3737 | /* handle the BSG job with mailbox command */ |
a33c4f7b | 3738 | if (!job) |
7ad20aa9 JS |
3739 | pmboxq->u.mb.mbxStatus = MBXERR_ERROR; |
3740 | ||
3741 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
7afc0ce9 | 3742 | "2939 SLI_CONFIG ext-buffer rd mailbox command " |
7ad20aa9 JS |
3743 | "complete, ctxState:x%x, mbxStatus:x%x\n", |
3744 | phba->mbox_ext_buf_ctx.state, pmboxq->u.mb.mbxStatus); | |
3745 | ||
7ad20aa9 JS |
3746 | if (pmboxq->u.mb.mbxStatus || phba->mbox_ext_buf_ctx.numBuf == 1) |
3747 | lpfc_bsg_mbox_ext_session_reset(phba); | |
3748 | ||
3749 | /* free base driver mailbox structure memory */ | |
3750 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
3751 | ||
a33c4f7b | 3752 | /* if the job is still active, call job done */ |
1abaede7 JT |
3753 | if (job) { |
3754 | bsg_reply = job->reply; | |
06548160 | 3755 | bsg_job_done(job, bsg_reply->result, |
1abaede7 JT |
3756 | bsg_reply->reply_payload_rcv_len); |
3757 | } | |
7ad20aa9 JS |
3758 | return; |
3759 | } | |
3760 | ||
3761 | /** | |
3762 | * lpfc_bsg_issue_write_mbox_ext_cmpl - cmpl handler for multi-buffer write mbox | |
3763 | * @phba: Pointer to HBA context object. | |
3764 | * @pmboxq: Pointer to mailbox command. | |
3765 | * | |
3766 | * This is completion handler function for mailbox write commands with multiple | |
3767 | * external buffers. | |
3768 | **/ | |
3769 | static void | |
3770 | lpfc_bsg_issue_write_mbox_ext_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) | |
3771 | { | |
75cc8cfc | 3772 | struct bsg_job *job; |
1abaede7 | 3773 | struct fc_bsg_reply *bsg_reply; |
7ad20aa9 | 3774 | |
a33c4f7b JS |
3775 | job = lpfc_bsg_issue_mbox_ext_handle_job(phba, pmboxq); |
3776 | ||
7ad20aa9 | 3777 | /* handle the BSG job with the mailbox command */ |
a33c4f7b | 3778 | if (!job) |
7ad20aa9 JS |
3779 | pmboxq->u.mb.mbxStatus = MBXERR_ERROR; |
3780 | ||
3781 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
7afc0ce9 | 3782 | "2940 SLI_CONFIG ext-buffer wr mailbox command " |
7ad20aa9 JS |
3783 | "complete, ctxState:x%x, mbxStatus:x%x\n", |
3784 | phba->mbox_ext_buf_ctx.state, pmboxq->u.mb.mbxStatus); | |
3785 | ||
7ad20aa9 JS |
3786 | /* free all memory, including dma buffers */ |
3787 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
3788 | lpfc_bsg_mbox_ext_session_reset(phba); | |
3789 | ||
a33c4f7b | 3790 | /* if the job is still active, call job done */ |
1abaede7 JT |
3791 | if (job) { |
3792 | bsg_reply = job->reply; | |
06548160 | 3793 | bsg_job_done(job, bsg_reply->result, |
1abaede7 JT |
3794 | bsg_reply->reply_payload_rcv_len); |
3795 | } | |
7ad20aa9 JS |
3796 | |
3797 | return; | |
3798 | } | |
3799 | ||
3800 | static void | |
3801 | lpfc_bsg_sli_cfg_dma_desc_setup(struct lpfc_hba *phba, enum nemb_type nemb_tp, | |
3802 | uint32_t index, struct lpfc_dmabuf *mbx_dmabuf, | |
3803 | struct lpfc_dmabuf *ext_dmabuf) | |
3804 | { | |
3805 | struct lpfc_sli_config_mbox *sli_cfg_mbx; | |
3806 | ||
3807 | /* pointer to the start of mailbox command */ | |
3808 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *)mbx_dmabuf->virt; | |
3809 | ||
3810 | if (nemb_tp == nemb_mse) { | |
3811 | if (index == 0) { | |
3812 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3813 | mse[index].pa_hi = | |
3814 | putPaddrHigh(mbx_dmabuf->phys + | |
3815 | sizeof(MAILBOX_t)); | |
3816 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3817 | mse[index].pa_lo = | |
3818 | putPaddrLow(mbx_dmabuf->phys + | |
3819 | sizeof(MAILBOX_t)); | |
3820 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3821 | "2943 SLI_CONFIG(mse)[%d], " | |
3822 | "bufLen:%d, addrHi:x%x, addrLo:x%x\n", | |
3823 | index, | |
3824 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3825 | mse[index].buf_len, | |
3826 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3827 | mse[index].pa_hi, | |
3828 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3829 | mse[index].pa_lo); | |
3830 | } else { | |
3831 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3832 | mse[index].pa_hi = | |
3833 | putPaddrHigh(ext_dmabuf->phys); | |
3834 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3835 | mse[index].pa_lo = | |
3836 | putPaddrLow(ext_dmabuf->phys); | |
3837 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3838 | "2944 SLI_CONFIG(mse)[%d], " | |
3839 | "bufLen:%d, addrHi:x%x, addrLo:x%x\n", | |
3840 | index, | |
3841 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3842 | mse[index].buf_len, | |
3843 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3844 | mse[index].pa_hi, | |
3845 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
3846 | mse[index].pa_lo); | |
3847 | } | |
3848 | } else { | |
3849 | if (index == 0) { | |
3850 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3851 | hbd[index].pa_hi = | |
3852 | putPaddrHigh(mbx_dmabuf->phys + | |
3853 | sizeof(MAILBOX_t)); | |
3854 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3855 | hbd[index].pa_lo = | |
3856 | putPaddrLow(mbx_dmabuf->phys + | |
3857 | sizeof(MAILBOX_t)); | |
3858 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3859 | "3007 SLI_CONFIG(hbd)[%d], " | |
3860 | "bufLen:%d, addrHi:x%x, addrLo:x%x\n", | |
3861 | index, | |
3862 | bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len, | |
3863 | &sli_cfg_mbx->un. | |
3864 | sli_config_emb1_subsys.hbd[index]), | |
3865 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3866 | hbd[index].pa_hi, | |
3867 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3868 | hbd[index].pa_lo); | |
3869 | ||
3870 | } else { | |
3871 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3872 | hbd[index].pa_hi = | |
3873 | putPaddrHigh(ext_dmabuf->phys); | |
3874 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3875 | hbd[index].pa_lo = | |
3876 | putPaddrLow(ext_dmabuf->phys); | |
3877 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3878 | "3008 SLI_CONFIG(hbd)[%d], " | |
3879 | "bufLen:%d, addrHi:x%x, addrLo:x%x\n", | |
3880 | index, | |
3881 | bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len, | |
3882 | &sli_cfg_mbx->un. | |
3883 | sli_config_emb1_subsys.hbd[index]), | |
3884 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3885 | hbd[index].pa_hi, | |
3886 | sli_cfg_mbx->un.sli_config_emb1_subsys. | |
3887 | hbd[index].pa_lo); | |
3888 | } | |
3889 | } | |
3890 | return; | |
3891 | } | |
3892 | ||
3893 | /** | |
3894 | * lpfc_bsg_sli_cfg_mse_read_cmd_ext - sli_config non-embedded mailbox cmd read | |
3895 | * @phba: Pointer to HBA context object. | |
3896 | * @mb: Pointer to a BSG mailbox object. | |
3897 | * @nemb_tp: Enumerate of non-embedded mailbox command type. | |
3898 | * @dmabuff: Pointer to a DMA buffer descriptor. | |
3899 | * | |
3900 | * This routine performs SLI_CONFIG (0x9B) read mailbox command operation with | |
3901 | * non-embedded external bufffers. | |
3902 | **/ | |
3903 | static int | |
75cc8cfc | 3904 | lpfc_bsg_sli_cfg_read_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 JS |
3905 | enum nemb_type nemb_tp, |
3906 | struct lpfc_dmabuf *dmabuf) | |
3907 | { | |
01e0e15c | 3908 | struct fc_bsg_request *bsg_request = job->request; |
7ad20aa9 JS |
3909 | struct lpfc_sli_config_mbox *sli_cfg_mbx; |
3910 | struct dfc_mbox_req *mbox_req; | |
3911 | struct lpfc_dmabuf *curr_dmabuf, *next_dmabuf; | |
3912 | uint32_t ext_buf_cnt, ext_buf_index; | |
3913 | struct lpfc_dmabuf *ext_dmabuf = NULL; | |
3914 | struct bsg_job_data *dd_data = NULL; | |
3915 | LPFC_MBOXQ_t *pmboxq = NULL; | |
3916 | MAILBOX_t *pmb; | |
3917 | uint8_t *pmbx; | |
3918 | int rc, i; | |
3919 | ||
3920 | mbox_req = | |
01e0e15c | 3921 | (struct dfc_mbox_req *)bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 JS |
3922 | |
3923 | /* pointer to the start of mailbox command */ | |
3924 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt; | |
3925 | ||
3926 | if (nemb_tp == nemb_mse) { | |
3927 | ext_buf_cnt = bsg_bf_get(lpfc_mbox_hdr_mse_cnt, | |
3928 | &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr); | |
3929 | if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_MSE) { | |
3930 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
3931 | "2945 Handled SLI_CONFIG(mse) rd, " | |
3932 | "ext_buf_cnt(%d) out of range(%d)\n", | |
3933 | ext_buf_cnt, | |
3934 | LPFC_MBX_SLI_CONFIG_MAX_MSE); | |
3935 | rc = -ERANGE; | |
3936 | goto job_error; | |
3937 | } | |
3938 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3939 | "2941 Handled SLI_CONFIG(mse) rd, " | |
3940 | "ext_buf_cnt:%d\n", ext_buf_cnt); | |
3941 | } else { | |
3942 | /* sanity check on interface type for support */ | |
27d6ac0a | 3943 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < |
7ad20aa9 JS |
3944 | LPFC_SLI_INTF_IF_TYPE_2) { |
3945 | rc = -ENODEV; | |
3946 | goto job_error; | |
3947 | } | |
3948 | /* nemb_tp == nemb_hbd */ | |
3949 | ext_buf_cnt = sli_cfg_mbx->un.sli_config_emb1_subsys.hbd_count; | |
3950 | if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_HBD) { | |
3951 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
3952 | "2946 Handled SLI_CONFIG(hbd) rd, " | |
3953 | "ext_buf_cnt(%d) out of range(%d)\n", | |
3954 | ext_buf_cnt, | |
3955 | LPFC_MBX_SLI_CONFIG_MAX_HBD); | |
3956 | rc = -ERANGE; | |
3957 | goto job_error; | |
3958 | } | |
3959 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
3960 | "2942 Handled SLI_CONFIG(hbd) rd, " | |
3961 | "ext_buf_cnt:%d\n", ext_buf_cnt); | |
3962 | } | |
3963 | ||
b76f2dc9 JS |
3964 | /* before dma descriptor setup */ |
3965 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, nemb_tp, mbox_rd, dma_mbox, | |
3966 | sta_pre_addr, dmabuf, ext_buf_cnt); | |
3967 | ||
7ad20aa9 JS |
3968 | /* reject non-embedded mailbox command with none external buffer */ |
3969 | if (ext_buf_cnt == 0) { | |
3970 | rc = -EPERM; | |
3971 | goto job_error; | |
3972 | } else if (ext_buf_cnt > 1) { | |
3973 | /* additional external read buffers */ | |
3974 | for (i = 1; i < ext_buf_cnt; i++) { | |
3975 | ext_dmabuf = lpfc_bsg_dma_page_alloc(phba); | |
3976 | if (!ext_dmabuf) { | |
3977 | rc = -ENOMEM; | |
3978 | goto job_error; | |
3979 | } | |
3980 | list_add_tail(&ext_dmabuf->list, | |
3981 | &phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
3982 | } | |
3983 | } | |
3984 | ||
3985 | /* bsg tracking structure */ | |
3986 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
3987 | if (!dd_data) { | |
3988 | rc = -ENOMEM; | |
3989 | goto job_error; | |
3990 | } | |
3991 | ||
3992 | /* mailbox command structure for base driver */ | |
3993 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
3994 | if (!pmboxq) { | |
3995 | rc = -ENOMEM; | |
3996 | goto job_error; | |
3997 | } | |
3998 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
3999 | ||
4000 | /* for the first external buffer */ | |
4001 | lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, 0, dmabuf, dmabuf); | |
4002 | ||
4003 | /* for the rest of external buffer descriptors if any */ | |
4004 | if (ext_buf_cnt > 1) { | |
4005 | ext_buf_index = 1; | |
4006 | list_for_each_entry_safe(curr_dmabuf, next_dmabuf, | |
4007 | &phba->mbox_ext_buf_ctx.ext_dmabuf_list, list) { | |
4008 | lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, | |
4009 | ext_buf_index, dmabuf, | |
4010 | curr_dmabuf); | |
4011 | ext_buf_index++; | |
4012 | } | |
4013 | } | |
4014 | ||
b76f2dc9 JS |
4015 | /* after dma descriptor setup */ |
4016 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, nemb_tp, mbox_rd, dma_mbox, | |
4017 | sta_pos_addr, dmabuf, ext_buf_cnt); | |
4018 | ||
7ad20aa9 JS |
4019 | /* construct base driver mbox command */ |
4020 | pmb = &pmboxq->u.mb; | |
4021 | pmbx = (uint8_t *)dmabuf->virt; | |
4022 | memcpy(pmb, pmbx, sizeof(*pmb)); | |
4023 | pmb->mbxOwner = OWN_HOST; | |
4024 | pmboxq->vport = phba->pport; | |
4025 | ||
4026 | /* multi-buffer handling context */ | |
4027 | phba->mbox_ext_buf_ctx.nembType = nemb_tp; | |
4028 | phba->mbox_ext_buf_ctx.mboxType = mbox_rd; | |
4029 | phba->mbox_ext_buf_ctx.numBuf = ext_buf_cnt; | |
4030 | phba->mbox_ext_buf_ctx.mbxTag = mbox_req->extMboxTag; | |
4031 | phba->mbox_ext_buf_ctx.seqNum = mbox_req->extSeqNum; | |
4032 | phba->mbox_ext_buf_ctx.mbx_dmabuf = dmabuf; | |
4033 | ||
4034 | /* callback for multi-buffer read mailbox command */ | |
4035 | pmboxq->mbox_cmpl = lpfc_bsg_issue_read_mbox_ext_cmpl; | |
4036 | ||
4037 | /* context fields to callback function */ | |
3e1f0718 | 4038 | pmboxq->ctx_buf = dd_data; |
7ad20aa9 | 4039 | dd_data->type = TYPE_MBOX; |
a33c4f7b | 4040 | dd_data->set_job = job; |
7ad20aa9 JS |
4041 | dd_data->context_un.mbox.pmboxq = pmboxq; |
4042 | dd_data->context_un.mbox.mb = (MAILBOX_t *)pmbx; | |
7ad20aa9 JS |
4043 | job->dd_data = dd_data; |
4044 | ||
4045 | /* state change */ | |
4046 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT; | |
4047 | ||
026abb87 JS |
4048 | /* |
4049 | * Non-embedded mailbox subcommand data gets byte swapped here because | |
4050 | * the lower level driver code only does the first 64 mailbox words. | |
4051 | */ | |
4052 | if ((!bsg_bf_get(lpfc_mbox_hdr_emb, | |
4053 | &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) && | |
4054 | (nemb_tp == nemb_mse)) | |
4055 | lpfc_sli_pcimem_bcopy(&pmbx[sizeof(MAILBOX_t)], | |
4056 | &pmbx[sizeof(MAILBOX_t)], | |
4057 | sli_cfg_mbx->un.sli_config_emb0_subsys. | |
4058 | mse[0].buf_len); | |
4059 | ||
7ad20aa9 JS |
4060 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
4061 | if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) { | |
4062 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4063 | "2947 Issued SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4064 | "mailbox command, rc:x%x\n", rc); |
88a2cfbb | 4065 | return SLI_CONFIG_HANDLED; |
7ad20aa9 JS |
4066 | } |
4067 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4068 | "2948 Failed to issue SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4069 | "mailbox command, rc:x%x\n", rc); |
7ad20aa9 JS |
4070 | rc = -EPIPE; |
4071 | ||
4072 | job_error: | |
4073 | if (pmboxq) | |
4074 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
4075 | lpfc_bsg_dma_page_list_free(phba, | |
4076 | &phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
4077 | kfree(dd_data); | |
4078 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_IDLE; | |
4079 | return rc; | |
4080 | } | |
4081 | ||
4082 | /** | |
4083 | * lpfc_bsg_sli_cfg_write_cmd_ext - sli_config non-embedded mailbox cmd write | |
4084 | * @phba: Pointer to HBA context object. | |
4085 | * @mb: Pointer to a BSG mailbox object. | |
4086 | * @dmabuff: Pointer to a DMA buffer descriptor. | |
4087 | * | |
4088 | * This routine performs SLI_CONFIG (0x9B) write mailbox command operation with | |
4089 | * non-embedded external bufffers. | |
4090 | **/ | |
4091 | static int | |
75cc8cfc | 4092 | lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 JS |
4093 | enum nemb_type nemb_tp, |
4094 | struct lpfc_dmabuf *dmabuf) | |
4095 | { | |
01e0e15c JT |
4096 | struct fc_bsg_request *bsg_request = job->request; |
4097 | struct fc_bsg_reply *bsg_reply = job->reply; | |
7ad20aa9 JS |
4098 | struct dfc_mbox_req *mbox_req; |
4099 | struct lpfc_sli_config_mbox *sli_cfg_mbx; | |
4100 | uint32_t ext_buf_cnt; | |
4101 | struct bsg_job_data *dd_data = NULL; | |
4102 | LPFC_MBOXQ_t *pmboxq = NULL; | |
4103 | MAILBOX_t *pmb; | |
4104 | uint8_t *mbx; | |
88a2cfbb | 4105 | int rc = SLI_CONFIG_NOT_HANDLED, i; |
7ad20aa9 JS |
4106 | |
4107 | mbox_req = | |
01e0e15c | 4108 | (struct dfc_mbox_req *)bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 JS |
4109 | |
4110 | /* pointer to the start of mailbox command */ | |
4111 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt; | |
4112 | ||
4113 | if (nemb_tp == nemb_mse) { | |
4114 | ext_buf_cnt = bsg_bf_get(lpfc_mbox_hdr_mse_cnt, | |
4115 | &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr); | |
4116 | if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_MSE) { | |
4117 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
026abb87 | 4118 | "2953 Failed SLI_CONFIG(mse) wr, " |
7ad20aa9 JS |
4119 | "ext_buf_cnt(%d) out of range(%d)\n", |
4120 | ext_buf_cnt, | |
4121 | LPFC_MBX_SLI_CONFIG_MAX_MSE); | |
4122 | return -ERANGE; | |
4123 | } | |
4124 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4125 | "2949 Handled SLI_CONFIG(mse) wr, " | |
4126 | "ext_buf_cnt:%d\n", ext_buf_cnt); | |
4127 | } else { | |
4128 | /* sanity check on interface type for support */ | |
27d6ac0a | 4129 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < |
7ad20aa9 JS |
4130 | LPFC_SLI_INTF_IF_TYPE_2) |
4131 | return -ENODEV; | |
4132 | /* nemb_tp == nemb_hbd */ | |
4133 | ext_buf_cnt = sli_cfg_mbx->un.sli_config_emb1_subsys.hbd_count; | |
4134 | if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_HBD) { | |
4135 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
026abb87 | 4136 | "2954 Failed SLI_CONFIG(hbd) wr, " |
7ad20aa9 JS |
4137 | "ext_buf_cnt(%d) out of range(%d)\n", |
4138 | ext_buf_cnt, | |
4139 | LPFC_MBX_SLI_CONFIG_MAX_HBD); | |
4140 | return -ERANGE; | |
4141 | } | |
4142 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4143 | "2950 Handled SLI_CONFIG(hbd) wr, " | |
4144 | "ext_buf_cnt:%d\n", ext_buf_cnt); | |
4145 | } | |
4146 | ||
b76f2dc9 JS |
4147 | /* before dma buffer descriptor setup */ |
4148 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, nemb_tp, mbox_wr, dma_mbox, | |
4149 | sta_pre_addr, dmabuf, ext_buf_cnt); | |
4150 | ||
7ad20aa9 JS |
4151 | if (ext_buf_cnt == 0) |
4152 | return -EPERM; | |
4153 | ||
4154 | /* for the first external buffer */ | |
4155 | lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, 0, dmabuf, dmabuf); | |
4156 | ||
b76f2dc9 JS |
4157 | /* after dma descriptor setup */ |
4158 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, nemb_tp, mbox_wr, dma_mbox, | |
4159 | sta_pos_addr, dmabuf, ext_buf_cnt); | |
4160 | ||
7ad20aa9 JS |
4161 | /* log for looking forward */ |
4162 | for (i = 1; i < ext_buf_cnt; i++) { | |
4163 | if (nemb_tp == nemb_mse) | |
4164 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4165 | "2951 SLI_CONFIG(mse), buf[%d]-length:%d\n", | |
4166 | i, sli_cfg_mbx->un.sli_config_emb0_subsys. | |
4167 | mse[i].buf_len); | |
4168 | else | |
4169 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4170 | "2952 SLI_CONFIG(hbd), buf[%d]-length:%d\n", | |
4171 | i, bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len, | |
4172 | &sli_cfg_mbx->un.sli_config_emb1_subsys. | |
4173 | hbd[i])); | |
4174 | } | |
4175 | ||
4176 | /* multi-buffer handling context */ | |
4177 | phba->mbox_ext_buf_ctx.nembType = nemb_tp; | |
4178 | phba->mbox_ext_buf_ctx.mboxType = mbox_wr; | |
4179 | phba->mbox_ext_buf_ctx.numBuf = ext_buf_cnt; | |
4180 | phba->mbox_ext_buf_ctx.mbxTag = mbox_req->extMboxTag; | |
4181 | phba->mbox_ext_buf_ctx.seqNum = mbox_req->extSeqNum; | |
4182 | phba->mbox_ext_buf_ctx.mbx_dmabuf = dmabuf; | |
4183 | ||
4184 | if (ext_buf_cnt == 1) { | |
4185 | /* bsg tracking structure */ | |
4186 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
4187 | if (!dd_data) { | |
4188 | rc = -ENOMEM; | |
4189 | goto job_error; | |
4190 | } | |
4191 | ||
4192 | /* mailbox command structure for base driver */ | |
4193 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4194 | if (!pmboxq) { | |
4195 | rc = -ENOMEM; | |
4196 | goto job_error; | |
4197 | } | |
4198 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4199 | pmb = &pmboxq->u.mb; | |
4200 | mbx = (uint8_t *)dmabuf->virt; | |
4201 | memcpy(pmb, mbx, sizeof(*pmb)); | |
4202 | pmb->mbxOwner = OWN_HOST; | |
4203 | pmboxq->vport = phba->pport; | |
4204 | ||
4205 | /* callback for multi-buffer read mailbox command */ | |
4206 | pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl; | |
4207 | ||
4208 | /* context fields to callback function */ | |
3e1f0718 | 4209 | pmboxq->ctx_buf = dd_data; |
7ad20aa9 | 4210 | dd_data->type = TYPE_MBOX; |
a33c4f7b | 4211 | dd_data->set_job = job; |
7ad20aa9 JS |
4212 | dd_data->context_un.mbox.pmboxq = pmboxq; |
4213 | dd_data->context_un.mbox.mb = (MAILBOX_t *)mbx; | |
7ad20aa9 JS |
4214 | job->dd_data = dd_data; |
4215 | ||
4216 | /* state change */ | |
7ad20aa9 | 4217 | |
a33c4f7b | 4218 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT; |
7ad20aa9 JS |
4219 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
4220 | if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) { | |
4221 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4222 | "2955 Issued SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4223 | "mailbox command, rc:x%x\n", rc); |
88a2cfbb | 4224 | return SLI_CONFIG_HANDLED; |
7ad20aa9 JS |
4225 | } |
4226 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4227 | "2956 Failed to issue SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4228 | "mailbox command, rc:x%x\n", rc); |
7ad20aa9 | 4229 | rc = -EPIPE; |
026abb87 | 4230 | goto job_error; |
7ad20aa9 JS |
4231 | } |
4232 | ||
88a2cfbb | 4233 | /* wait for additoinal external buffers */ |
a33c4f7b | 4234 | |
01e0e15c | 4235 | bsg_reply->result = 0; |
06548160 | 4236 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 4237 | bsg_reply->reply_payload_rcv_len); |
88a2cfbb JS |
4238 | return SLI_CONFIG_HANDLED; |
4239 | ||
7ad20aa9 JS |
4240 | job_error: |
4241 | if (pmboxq) | |
4242 | mempool_free(pmboxq, phba->mbox_mem_pool); | |
4243 | kfree(dd_data); | |
4244 | ||
4245 | return rc; | |
4246 | } | |
4247 | ||
4248 | /** | |
4249 | * lpfc_bsg_handle_sli_cfg_mbox - handle sli-cfg mailbox cmd with ext buffer | |
4250 | * @phba: Pointer to HBA context object. | |
4251 | * @mb: Pointer to a BSG mailbox object. | |
4252 | * @dmabuff: Pointer to a DMA buffer descriptor. | |
4253 | * | |
4254 | * This routine handles SLI_CONFIG (0x9B) mailbox command with non-embedded | |
4255 | * external bufffers, including both 0x9B with non-embedded MSEs and 0x9B | |
4256 | * with embedded sussystem 0x1 and opcodes with external HBDs. | |
4257 | **/ | |
4258 | static int | |
75cc8cfc | 4259 | lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 JS |
4260 | struct lpfc_dmabuf *dmabuf) |
4261 | { | |
4262 | struct lpfc_sli_config_mbox *sli_cfg_mbx; | |
4263 | uint32_t subsys; | |
4264 | uint32_t opcode; | |
4265 | int rc = SLI_CONFIG_NOT_HANDLED; | |
4266 | ||
026abb87 | 4267 | /* state change on new multi-buffer pass-through mailbox command */ |
7ad20aa9 JS |
4268 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_HOST; |
4269 | ||
4270 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt; | |
4271 | ||
4272 | if (!bsg_bf_get(lpfc_mbox_hdr_emb, | |
4273 | &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) { | |
4274 | subsys = bsg_bf_get(lpfc_emb0_subcmnd_subsys, | |
4275 | &sli_cfg_mbx->un.sli_config_emb0_subsys); | |
4276 | opcode = bsg_bf_get(lpfc_emb0_subcmnd_opcode, | |
4277 | &sli_cfg_mbx->un.sli_config_emb0_subsys); | |
4278 | if (subsys == SLI_CONFIG_SUBSYS_FCOE) { | |
4279 | switch (opcode) { | |
4280 | case FCOE_OPCODE_READ_FCF: | |
2a2719d3 | 4281 | case FCOE_OPCODE_GET_DPORT_RESULTS: |
7ad20aa9 JS |
4282 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
4283 | "2957 Handled SLI_CONFIG " | |
4284 | "subsys_fcoe, opcode:x%x\n", | |
4285 | opcode); | |
4286 | rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job, | |
4287 | nemb_mse, dmabuf); | |
4288 | break; | |
4289 | case FCOE_OPCODE_ADD_FCF: | |
2a2719d3 JS |
4290 | case FCOE_OPCODE_SET_DPORT_MODE: |
4291 | case LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE: | |
7ad20aa9 JS |
4292 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
4293 | "2958 Handled SLI_CONFIG " | |
4294 | "subsys_fcoe, opcode:x%x\n", | |
4295 | opcode); | |
4296 | rc = lpfc_bsg_sli_cfg_write_cmd_ext(phba, job, | |
4297 | nemb_mse, dmabuf); | |
4298 | break; | |
4299 | default: | |
4300 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
026abb87 | 4301 | "2959 Reject SLI_CONFIG " |
7ad20aa9 JS |
4302 | "subsys_fcoe, opcode:x%x\n", |
4303 | opcode); | |
026abb87 JS |
4304 | rc = -EPERM; |
4305 | break; | |
4306 | } | |
4307 | } else if (subsys == SLI_CONFIG_SUBSYS_COMN) { | |
4308 | switch (opcode) { | |
4309 | case COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES: | |
b99570dd | 4310 | case COMN_OPCODE_GET_CNTL_ATTRIBUTES: |
c6377970 | 4311 | case COMN_OPCODE_GET_PROFILE_CONFIG: |
026abb87 JS |
4312 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
4313 | "3106 Handled SLI_CONFIG " | |
6b5151fd | 4314 | "subsys_comn, opcode:x%x\n", |
026abb87 JS |
4315 | opcode); |
4316 | rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job, | |
4317 | nemb_mse, dmabuf); | |
4318 | break; | |
4319 | default: | |
4320 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4321 | "3107 Reject SLI_CONFIG " | |
6b5151fd | 4322 | "subsys_comn, opcode:x%x\n", |
026abb87 JS |
4323 | opcode); |
4324 | rc = -EPERM; | |
7ad20aa9 JS |
4325 | break; |
4326 | } | |
4327 | } else { | |
4328 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
026abb87 | 4329 | "2977 Reject SLI_CONFIG " |
7ad20aa9 JS |
4330 | "subsys:x%d, opcode:x%x\n", |
4331 | subsys, opcode); | |
026abb87 | 4332 | rc = -EPERM; |
7ad20aa9 JS |
4333 | } |
4334 | } else { | |
4335 | subsys = bsg_bf_get(lpfc_emb1_subcmnd_subsys, | |
4336 | &sli_cfg_mbx->un.sli_config_emb1_subsys); | |
4337 | opcode = bsg_bf_get(lpfc_emb1_subcmnd_opcode, | |
4338 | &sli_cfg_mbx->un.sli_config_emb1_subsys); | |
4339 | if (subsys == SLI_CONFIG_SUBSYS_COMN) { | |
4340 | switch (opcode) { | |
4341 | case COMN_OPCODE_READ_OBJECT: | |
4342 | case COMN_OPCODE_READ_OBJECT_LIST: | |
4343 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4344 | "2960 Handled SLI_CONFIG " | |
4345 | "subsys_comn, opcode:x%x\n", | |
4346 | opcode); | |
4347 | rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job, | |
4348 | nemb_hbd, dmabuf); | |
4349 | break; | |
4350 | case COMN_OPCODE_WRITE_OBJECT: | |
4351 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4352 | "2961 Handled SLI_CONFIG " | |
4353 | "subsys_comn, opcode:x%x\n", | |
4354 | opcode); | |
4355 | rc = lpfc_bsg_sli_cfg_write_cmd_ext(phba, job, | |
4356 | nemb_hbd, dmabuf); | |
4357 | break; | |
4358 | default: | |
4359 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4360 | "2962 Not handled SLI_CONFIG " | |
4361 | "subsys_comn, opcode:x%x\n", | |
4362 | opcode); | |
4363 | rc = SLI_CONFIG_NOT_HANDLED; | |
4364 | break; | |
4365 | } | |
4366 | } else { | |
4367 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
026abb87 | 4368 | "2978 Not handled SLI_CONFIG " |
7ad20aa9 JS |
4369 | "subsys:x%d, opcode:x%x\n", |
4370 | subsys, opcode); | |
4371 | rc = SLI_CONFIG_NOT_HANDLED; | |
4372 | } | |
4373 | } | |
026abb87 JS |
4374 | |
4375 | /* state reset on not handled new multi-buffer mailbox command */ | |
4376 | if (rc != SLI_CONFIG_HANDLED) | |
4377 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_IDLE; | |
4378 | ||
7ad20aa9 JS |
4379 | return rc; |
4380 | } | |
4381 | ||
4382 | /** | |
4383 | * lpfc_bsg_mbox_ext_abort_req - request to abort mbox command with ext buffers | |
4384 | * @phba: Pointer to HBA context object. | |
4385 | * | |
4386 | * This routine is for requesting to abort a pass-through mailbox command with | |
4387 | * multiple external buffers due to error condition. | |
4388 | **/ | |
4389 | static void | |
4390 | lpfc_bsg_mbox_ext_abort(struct lpfc_hba *phba) | |
4391 | { | |
4392 | if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_PORT) | |
4393 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_ABTS; | |
4394 | else | |
4395 | lpfc_bsg_mbox_ext_session_reset(phba); | |
4396 | return; | |
4397 | } | |
4398 | ||
4399 | /** | |
4400 | * lpfc_bsg_read_ebuf_get - get the next mailbox read external buffer | |
4401 | * @phba: Pointer to HBA context object. | |
4402 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
4403 | * | |
4404 | * This routine extracts the next mailbox read external buffer back to | |
4405 | * user space through BSG. | |
4406 | **/ | |
4407 | static int | |
75cc8cfc | 4408 | lpfc_bsg_read_ebuf_get(struct lpfc_hba *phba, struct bsg_job *job) |
7ad20aa9 | 4409 | { |
01e0e15c | 4410 | struct fc_bsg_reply *bsg_reply = job->reply; |
7ad20aa9 JS |
4411 | struct lpfc_sli_config_mbox *sli_cfg_mbx; |
4412 | struct lpfc_dmabuf *dmabuf; | |
4413 | uint8_t *pbuf; | |
4414 | uint32_t size; | |
4415 | uint32_t index; | |
4416 | ||
4417 | index = phba->mbox_ext_buf_ctx.seqNum; | |
4418 | phba->mbox_ext_buf_ctx.seqNum++; | |
4419 | ||
4420 | sli_cfg_mbx = (struct lpfc_sli_config_mbox *) | |
4421 | phba->mbox_ext_buf_ctx.mbx_dmabuf->virt; | |
4422 | ||
4423 | if (phba->mbox_ext_buf_ctx.nembType == nemb_mse) { | |
4424 | size = bsg_bf_get(lpfc_mbox_sli_config_mse_len, | |
4425 | &sli_cfg_mbx->un.sli_config_emb0_subsys.mse[index]); | |
4426 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4427 | "2963 SLI_CONFIG (mse) ext-buffer rd get " | |
4428 | "buffer[%d], size:%d\n", index, size); | |
4429 | } else { | |
4430 | size = bsg_bf_get(lpfc_mbox_sli_config_ecmn_hbd_len, | |
4431 | &sli_cfg_mbx->un.sli_config_emb1_subsys.hbd[index]); | |
4432 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4433 | "2964 SLI_CONFIG (hbd) ext-buffer rd get " | |
4434 | "buffer[%d], size:%d\n", index, size); | |
4435 | } | |
4436 | if (list_empty(&phba->mbox_ext_buf_ctx.ext_dmabuf_list)) | |
4437 | return -EPIPE; | |
4438 | dmabuf = list_first_entry(&phba->mbox_ext_buf_ctx.ext_dmabuf_list, | |
4439 | struct lpfc_dmabuf, list); | |
4440 | list_del_init(&dmabuf->list); | |
b76f2dc9 JS |
4441 | |
4442 | /* after dma buffer descriptor setup */ | |
4443 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, phba->mbox_ext_buf_ctx.nembType, | |
4444 | mbox_rd, dma_ebuf, sta_pos_addr, | |
4445 | dmabuf, index); | |
4446 | ||
7ad20aa9 | 4447 | pbuf = (uint8_t *)dmabuf->virt; |
01e0e15c | 4448 | bsg_reply->reply_payload_rcv_len = |
7ad20aa9 JS |
4449 | sg_copy_from_buffer(job->reply_payload.sg_list, |
4450 | job->reply_payload.sg_cnt, | |
4451 | pbuf, size); | |
4452 | ||
4453 | lpfc_bsg_dma_page_free(phba, dmabuf); | |
4454 | ||
4455 | if (phba->mbox_ext_buf_ctx.seqNum == phba->mbox_ext_buf_ctx.numBuf) { | |
4456 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4457 | "2965 SLI_CONFIG (hbd) ext-buffer rd mbox " | |
4458 | "command session done\n"); | |
4459 | lpfc_bsg_mbox_ext_session_reset(phba); | |
4460 | } | |
4461 | ||
01e0e15c | 4462 | bsg_reply->result = 0; |
06548160 | 4463 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 4464 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 JS |
4465 | |
4466 | return SLI_CONFIG_HANDLED; | |
4467 | } | |
4468 | ||
4469 | /** | |
4470 | * lpfc_bsg_write_ebuf_set - set the next mailbox write external buffer | |
4471 | * @phba: Pointer to HBA context object. | |
4472 | * @dmabuf: Pointer to a DMA buffer descriptor. | |
4473 | * | |
4474 | * This routine sets up the next mailbox read external buffer obtained | |
4475 | * from user space through BSG. | |
4476 | **/ | |
4477 | static int | |
75cc8cfc | 4478 | lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 JS |
4479 | struct lpfc_dmabuf *dmabuf) |
4480 | { | |
01e0e15c | 4481 | struct fc_bsg_reply *bsg_reply = job->reply; |
7ad20aa9 JS |
4482 | struct bsg_job_data *dd_data = NULL; |
4483 | LPFC_MBOXQ_t *pmboxq = NULL; | |
4484 | MAILBOX_t *pmb; | |
4485 | enum nemb_type nemb_tp; | |
4486 | uint8_t *pbuf; | |
4487 | uint32_t size; | |
4488 | uint32_t index; | |
4489 | int rc; | |
4490 | ||
4491 | index = phba->mbox_ext_buf_ctx.seqNum; | |
4492 | phba->mbox_ext_buf_ctx.seqNum++; | |
4493 | nemb_tp = phba->mbox_ext_buf_ctx.nembType; | |
4494 | ||
7ad20aa9 JS |
4495 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); |
4496 | if (!dd_data) { | |
4497 | rc = -ENOMEM; | |
4498 | goto job_error; | |
4499 | } | |
4500 | ||
4501 | pbuf = (uint8_t *)dmabuf->virt; | |
4502 | size = job->request_payload.payload_len; | |
4503 | sg_copy_to_buffer(job->request_payload.sg_list, | |
4504 | job->request_payload.sg_cnt, | |
4505 | pbuf, size); | |
4506 | ||
4507 | if (phba->mbox_ext_buf_ctx.nembType == nemb_mse) { | |
4508 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4509 | "2966 SLI_CONFIG (mse) ext-buffer wr set " | |
4510 | "buffer[%d], size:%d\n", | |
4511 | phba->mbox_ext_buf_ctx.seqNum, size); | |
4512 | ||
4513 | } else { | |
4514 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4515 | "2967 SLI_CONFIG (hbd) ext-buffer wr set " | |
4516 | "buffer[%d], size:%d\n", | |
4517 | phba->mbox_ext_buf_ctx.seqNum, size); | |
4518 | ||
4519 | } | |
4520 | ||
4521 | /* set up external buffer descriptor and add to external buffer list */ | |
4522 | lpfc_bsg_sli_cfg_dma_desc_setup(phba, nemb_tp, index, | |
4523 | phba->mbox_ext_buf_ctx.mbx_dmabuf, | |
4524 | dmabuf); | |
4525 | list_add_tail(&dmabuf->list, &phba->mbox_ext_buf_ctx.ext_dmabuf_list); | |
4526 | ||
b76f2dc9 JS |
4527 | /* after write dma buffer */ |
4528 | lpfc_idiag_mbxacc_dump_bsg_mbox(phba, phba->mbox_ext_buf_ctx.nembType, | |
4529 | mbox_wr, dma_ebuf, sta_pos_addr, | |
4530 | dmabuf, index); | |
4531 | ||
7ad20aa9 JS |
4532 | if (phba->mbox_ext_buf_ctx.seqNum == phba->mbox_ext_buf_ctx.numBuf) { |
4533 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4534 | "2968 SLI_CONFIG ext-buffer wr all %d " | |
4535 | "ebuffers received\n", | |
4536 | phba->mbox_ext_buf_ctx.numBuf); | |
4537 | /* mailbox command structure for base driver */ | |
4538 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4539 | if (!pmboxq) { | |
4540 | rc = -ENOMEM; | |
4541 | goto job_error; | |
4542 | } | |
4543 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); | |
4544 | pbuf = (uint8_t *)phba->mbox_ext_buf_ctx.mbx_dmabuf->virt; | |
4545 | pmb = &pmboxq->u.mb; | |
4546 | memcpy(pmb, pbuf, sizeof(*pmb)); | |
4547 | pmb->mbxOwner = OWN_HOST; | |
4548 | pmboxq->vport = phba->pport; | |
4549 | ||
4550 | /* callback for multi-buffer write mailbox command */ | |
4551 | pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl; | |
4552 | ||
4553 | /* context fields to callback function */ | |
3e1f0718 | 4554 | pmboxq->ctx_buf = dd_data; |
7ad20aa9 | 4555 | dd_data->type = TYPE_MBOX; |
a33c4f7b | 4556 | dd_data->set_job = job; |
7ad20aa9 JS |
4557 | dd_data->context_un.mbox.pmboxq = pmboxq; |
4558 | dd_data->context_un.mbox.mb = (MAILBOX_t *)pbuf; | |
7ad20aa9 JS |
4559 | job->dd_data = dd_data; |
4560 | ||
4561 | /* state change */ | |
4562 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT; | |
4563 | ||
4564 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
4565 | if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) { | |
4566 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4567 | "2969 Issued SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4568 | "mailbox command, rc:x%x\n", rc); |
88a2cfbb | 4569 | return SLI_CONFIG_HANDLED; |
7ad20aa9 JS |
4570 | } |
4571 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4572 | "2970 Failed to issue SLI_CONFIG ext-buffer " | |
7afc0ce9 | 4573 | "mailbox command, rc:x%x\n", rc); |
7ad20aa9 JS |
4574 | rc = -EPIPE; |
4575 | goto job_error; | |
4576 | } | |
4577 | ||
4578 | /* wait for additoinal external buffers */ | |
01e0e15c | 4579 | bsg_reply->result = 0; |
06548160 | 4580 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 4581 | bsg_reply->reply_payload_rcv_len); |
7ad20aa9 JS |
4582 | return SLI_CONFIG_HANDLED; |
4583 | ||
4584 | job_error: | |
4585 | lpfc_bsg_dma_page_free(phba, dmabuf); | |
4586 | kfree(dd_data); | |
4587 | ||
4588 | return rc; | |
4589 | } | |
4590 | ||
4591 | /** | |
4592 | * lpfc_bsg_handle_sli_cfg_ebuf - handle ext buffer with sli-cfg mailbox cmd | |
4593 | * @phba: Pointer to HBA context object. | |
4594 | * @mb: Pointer to a BSG mailbox object. | |
4595 | * @dmabuff: Pointer to a DMA buffer descriptor. | |
4596 | * | |
4597 | * This routine handles the external buffer with SLI_CONFIG (0x9B) mailbox | |
4598 | * command with multiple non-embedded external buffers. | |
4599 | **/ | |
4600 | static int | |
75cc8cfc | 4601 | lpfc_bsg_handle_sli_cfg_ebuf(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 JS |
4602 | struct lpfc_dmabuf *dmabuf) |
4603 | { | |
4604 | int rc; | |
4605 | ||
4606 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4607 | "2971 SLI_CONFIG buffer (type:x%x)\n", | |
4608 | phba->mbox_ext_buf_ctx.mboxType); | |
4609 | ||
4610 | if (phba->mbox_ext_buf_ctx.mboxType == mbox_rd) { | |
4611 | if (phba->mbox_ext_buf_ctx.state != LPFC_BSG_MBOX_DONE) { | |
4612 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4613 | "2972 SLI_CONFIG rd buffer state " | |
4614 | "mismatch:x%x\n", | |
4615 | phba->mbox_ext_buf_ctx.state); | |
4616 | lpfc_bsg_mbox_ext_abort(phba); | |
4617 | return -EPIPE; | |
4618 | } | |
4619 | rc = lpfc_bsg_read_ebuf_get(phba, job); | |
4620 | if (rc == SLI_CONFIG_HANDLED) | |
4621 | lpfc_bsg_dma_page_free(phba, dmabuf); | |
4622 | } else { /* phba->mbox_ext_buf_ctx.mboxType == mbox_wr */ | |
4623 | if (phba->mbox_ext_buf_ctx.state != LPFC_BSG_MBOX_HOST) { | |
4624 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4625 | "2973 SLI_CONFIG wr buffer state " | |
4626 | "mismatch:x%x\n", | |
4627 | phba->mbox_ext_buf_ctx.state); | |
4628 | lpfc_bsg_mbox_ext_abort(phba); | |
4629 | return -EPIPE; | |
4630 | } | |
4631 | rc = lpfc_bsg_write_ebuf_set(phba, job, dmabuf); | |
7a470277 | 4632 | } |
7ad20aa9 | 4633 | return rc; |
3b5dd52a JS |
4634 | } |
4635 | ||
4636 | /** | |
7ad20aa9 | 4637 | * lpfc_bsg_handle_sli_cfg_ext - handle sli-cfg mailbox with external buffer |
3b5dd52a | 4638 | * @phba: Pointer to HBA context object. |
7ad20aa9 JS |
4639 | * @mb: Pointer to a BSG mailbox object. |
4640 | * @dmabuff: Pointer to a DMA buffer descriptor. | |
3b5dd52a | 4641 | * |
7ad20aa9 JS |
4642 | * This routine checkes and handles non-embedded multi-buffer SLI_CONFIG |
4643 | * (0x9B) mailbox commands and external buffers. | |
3b5dd52a | 4644 | **/ |
7ad20aa9 | 4645 | static int |
75cc8cfc | 4646 | lpfc_bsg_handle_sli_cfg_ext(struct lpfc_hba *phba, struct bsg_job *job, |
7ad20aa9 | 4647 | struct lpfc_dmabuf *dmabuf) |
3b5dd52a | 4648 | { |
01e0e15c | 4649 | struct fc_bsg_request *bsg_request = job->request; |
7ad20aa9 | 4650 | struct dfc_mbox_req *mbox_req; |
88a2cfbb | 4651 | int rc = SLI_CONFIG_NOT_HANDLED; |
7ad20aa9 JS |
4652 | |
4653 | mbox_req = | |
01e0e15c | 4654 | (struct dfc_mbox_req *)bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 JS |
4655 | |
4656 | /* mbox command with/without single external buffer */ | |
4657 | if (mbox_req->extMboxTag == 0 && mbox_req->extSeqNum == 0) | |
88a2cfbb | 4658 | return rc; |
7ad20aa9 JS |
4659 | |
4660 | /* mbox command and first external buffer */ | |
4661 | if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_IDLE) { | |
4662 | if (mbox_req->extSeqNum == 1) { | |
4663 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4664 | "2974 SLI_CONFIG mailbox: tag:%d, " | |
4665 | "seq:%d\n", mbox_req->extMboxTag, | |
4666 | mbox_req->extSeqNum); | |
4667 | rc = lpfc_bsg_handle_sli_cfg_mbox(phba, job, dmabuf); | |
4668 | return rc; | |
4669 | } else | |
4670 | goto sli_cfg_ext_error; | |
3b5dd52a JS |
4671 | } |
4672 | ||
7ad20aa9 JS |
4673 | /* |
4674 | * handle additional external buffers | |
4675 | */ | |
4676 | ||
4677 | /* check broken pipe conditions */ | |
4678 | if (mbox_req->extMboxTag != phba->mbox_ext_buf_ctx.mbxTag) | |
4679 | goto sli_cfg_ext_error; | |
4680 | if (mbox_req->extSeqNum > phba->mbox_ext_buf_ctx.numBuf) | |
4681 | goto sli_cfg_ext_error; | |
4682 | if (mbox_req->extSeqNum != phba->mbox_ext_buf_ctx.seqNum + 1) | |
4683 | goto sli_cfg_ext_error; | |
4684 | ||
4685 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, | |
4686 | "2975 SLI_CONFIG mailbox external buffer: " | |
4687 | "extSta:x%x, tag:%d, seq:%d\n", | |
4688 | phba->mbox_ext_buf_ctx.state, mbox_req->extMboxTag, | |
4689 | mbox_req->extSeqNum); | |
4690 | rc = lpfc_bsg_handle_sli_cfg_ebuf(phba, job, dmabuf); | |
4691 | return rc; | |
4692 | ||
4693 | sli_cfg_ext_error: | |
4694 | /* all other cases, broken pipe */ | |
4695 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
4696 | "2976 SLI_CONFIG mailbox broken pipe: " | |
4697 | "ctxSta:x%x, ctxNumBuf:%d " | |
4698 | "ctxTag:%d, ctxSeq:%d, tag:%d, seq:%d\n", | |
4699 | phba->mbox_ext_buf_ctx.state, | |
4700 | phba->mbox_ext_buf_ctx.numBuf, | |
4701 | phba->mbox_ext_buf_ctx.mbxTag, | |
4702 | phba->mbox_ext_buf_ctx.seqNum, | |
4703 | mbox_req->extMboxTag, mbox_req->extSeqNum); | |
4704 | ||
4705 | lpfc_bsg_mbox_ext_session_reset(phba); | |
4706 | ||
4707 | return -EPIPE; | |
3b5dd52a JS |
4708 | } |
4709 | ||
4710 | /** | |
4711 | * lpfc_bsg_issue_mbox - issues a mailbox command on behalf of an app | |
4712 | * @phba: Pointer to HBA context object. | |
4713 | * @mb: Pointer to a mailbox object. | |
4714 | * @vport: Pointer to a vport object. | |
4715 | * | |
4716 | * Allocate a tracking object, mailbox command memory, get a mailbox | |
4717 | * from the mailbox pool, copy the caller mailbox command. | |
4718 | * | |
4719 | * If offline and the sli is active we need to poll for the command (port is | |
4720 | * being reset) and com-plete the job, otherwise issue the mailbox command and | |
4721 | * let our completion handler finish the command. | |
4722 | **/ | |
a2fc4aef | 4723 | static int |
75cc8cfc | 4724 | lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct bsg_job *job, |
3b5dd52a JS |
4725 | struct lpfc_vport *vport) |
4726 | { | |
01e0e15c JT |
4727 | struct fc_bsg_request *bsg_request = job->request; |
4728 | struct fc_bsg_reply *bsg_reply = job->reply; | |
7a470277 JS |
4729 | LPFC_MBOXQ_t *pmboxq = NULL; /* internal mailbox queue */ |
4730 | MAILBOX_t *pmb; /* shortcut to the pmboxq mailbox */ | |
4731 | /* a 4k buffer to hold the mb and extended data from/to the bsg */ | |
7ad20aa9 | 4732 | uint8_t *pmbx = NULL; |
7a470277 | 4733 | struct bsg_job_data *dd_data = NULL; /* bsg data tracking structure */ |
7ad20aa9 JS |
4734 | struct lpfc_dmabuf *dmabuf = NULL; |
4735 | struct dfc_mbox_req *mbox_req; | |
b6e3b9c6 JS |
4736 | struct READ_EVENT_LOG_VAR *rdEventLog; |
4737 | uint32_t transmit_length, receive_length, mode; | |
7ad20aa9 | 4738 | struct lpfc_mbx_sli4_config *sli4_config; |
b6e3b9c6 | 4739 | struct lpfc_mbx_nembed_cmd *nembed_sge; |
b6e3b9c6 | 4740 | struct ulp_bde64 *bde; |
7a470277 | 4741 | uint8_t *ext = NULL; |
3b5dd52a | 4742 | int rc = 0; |
7a470277 | 4743 | uint8_t *from; |
7ad20aa9 JS |
4744 | uint32_t size; |
4745 | ||
7a470277 | 4746 | /* in case no data is transferred */ |
01e0e15c | 4747 | bsg_reply->reply_payload_rcv_len = 0; |
7a470277 | 4748 | |
b6e3b9c6 JS |
4749 | /* sanity check to protect driver */ |
4750 | if (job->reply_payload.payload_len > BSG_MBOX_SIZE || | |
4751 | job->request_payload.payload_len > BSG_MBOX_SIZE) { | |
4752 | rc = -ERANGE; | |
4753 | goto job_done; | |
4754 | } | |
4755 | ||
7ad20aa9 JS |
4756 | /* |
4757 | * Don't allow mailbox commands to be sent when blocked or when in | |
4758 | * the middle of discovery | |
4759 | */ | |
258f84fa | 4760 | if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { |
7ad20aa9 JS |
4761 | rc = -EAGAIN; |
4762 | goto job_done; | |
4763 | } | |
4764 | ||
4765 | mbox_req = | |
01e0e15c | 4766 | (struct dfc_mbox_req *)bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 | 4767 | |
7a470277 | 4768 | /* check if requested extended data lengths are valid */ |
b6e3b9c6 JS |
4769 | if ((mbox_req->inExtWLen > BSG_MBOX_SIZE/sizeof(uint32_t)) || |
4770 | (mbox_req->outExtWLen > BSG_MBOX_SIZE/sizeof(uint32_t))) { | |
7a470277 JS |
4771 | rc = -ERANGE; |
4772 | goto job_done; | |
4773 | } | |
3b5dd52a | 4774 | |
7ad20aa9 JS |
4775 | dmabuf = lpfc_bsg_dma_page_alloc(phba); |
4776 | if (!dmabuf || !dmabuf->virt) { | |
4777 | rc = -ENOMEM; | |
4778 | goto job_done; | |
4779 | } | |
4780 | ||
4781 | /* Get the mailbox command or external buffer from BSG */ | |
4782 | pmbx = (uint8_t *)dmabuf->virt; | |
4783 | size = job->request_payload.payload_len; | |
4784 | sg_copy_to_buffer(job->request_payload.sg_list, | |
4785 | job->request_payload.sg_cnt, pmbx, size); | |
4786 | ||
4787 | /* Handle possible SLI_CONFIG with non-embedded payloads */ | |
4788 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
4789 | rc = lpfc_bsg_handle_sli_cfg_ext(phba, job, dmabuf); | |
4790 | if (rc == SLI_CONFIG_HANDLED) | |
4791 | goto job_cont; | |
4792 | if (rc) | |
4793 | goto job_done; | |
4794 | /* SLI_CONFIG_NOT_HANDLED for other mailbox commands */ | |
4795 | } | |
4796 | ||
4797 | rc = lpfc_bsg_check_cmd_access(phba, (MAILBOX_t *)pmbx, vport); | |
4798 | if (rc != 0) | |
4799 | goto job_done; /* must be negative */ | |
4800 | ||
3b5dd52a JS |
4801 | /* allocate our bsg tracking structure */ |
4802 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
4803 | if (!dd_data) { | |
4804 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
4805 | "2727 Failed allocation of dd_data\n"); | |
7a470277 JS |
4806 | rc = -ENOMEM; |
4807 | goto job_done; | |
3b5dd52a JS |
4808 | } |
4809 | ||
3b5dd52a JS |
4810 | pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4811 | if (!pmboxq) { | |
7a470277 JS |
4812 | rc = -ENOMEM; |
4813 | goto job_done; | |
3b5dd52a | 4814 | } |
7a470277 | 4815 | memset(pmboxq, 0, sizeof(LPFC_MBOXQ_t)); |
3b5dd52a | 4816 | |
3b5dd52a | 4817 | pmb = &pmboxq->u.mb; |
7ad20aa9 | 4818 | memcpy(pmb, pmbx, sizeof(*pmb)); |
3b5dd52a | 4819 | pmb->mbxOwner = OWN_HOST; |
3b5dd52a JS |
4820 | pmboxq->vport = vport; |
4821 | ||
c7495937 JS |
4822 | /* If HBA encountered an error attention, allow only DUMP |
4823 | * or RESTART mailbox commands until the HBA is restarted. | |
4824 | */ | |
4825 | if (phba->pport->stopped && | |
4826 | pmb->mbxCommand != MBX_DUMP_MEMORY && | |
4827 | pmb->mbxCommand != MBX_RESTART && | |
4828 | pmb->mbxCommand != MBX_WRITE_VPARMS && | |
4829 | pmb->mbxCommand != MBX_WRITE_WWN) | |
4830 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, | |
4831 | "2797 mbox: Issued mailbox cmd " | |
4832 | "0x%x while in stopped state.\n", | |
4833 | pmb->mbxCommand); | |
4834 | ||
7a470277 | 4835 | /* extended mailbox commands will need an extended buffer */ |
c7495937 | 4836 | if (mbox_req->inExtWLen || mbox_req->outExtWLen) { |
026abb87 JS |
4837 | from = pmbx; |
4838 | ext = from + sizeof(MAILBOX_t); | |
3e1f0718 | 4839 | pmboxq->ctx_buf = ext; |
7a470277 JS |
4840 | pmboxq->in_ext_byte_len = |
4841 | mbox_req->inExtWLen * sizeof(uint32_t); | |
4842 | pmboxq->out_ext_byte_len = | |
c7495937 | 4843 | mbox_req->outExtWLen * sizeof(uint32_t); |
7a470277 JS |
4844 | pmboxq->mbox_offset_word = mbox_req->mbOffset; |
4845 | } | |
4846 | ||
4847 | /* biu diag will need a kernel buffer to transfer the data | |
4848 | * allocate our own buffer and setup the mailbox command to | |
4849 | * use ours | |
4850 | */ | |
4851 | if (pmb->mbxCommand == MBX_RUN_BIU_DIAG64) { | |
b6e3b9c6 JS |
4852 | transmit_length = pmb->un.varWords[1]; |
4853 | receive_length = pmb->un.varWords[4]; | |
c7495937 JS |
4854 | /* transmit length cannot be greater than receive length or |
4855 | * mailbox extension size | |
4856 | */ | |
4857 | if ((transmit_length > receive_length) || | |
88a2cfbb | 4858 | (transmit_length > BSG_MBOX_SIZE - sizeof(MAILBOX_t))) { |
c7495937 JS |
4859 | rc = -ERANGE; |
4860 | goto job_done; | |
4861 | } | |
7a470277 | 4862 | pmb->un.varBIUdiag.un.s2.xmit_bde64.addrHigh = |
7ad20aa9 | 4863 | putPaddrHigh(dmabuf->phys + sizeof(MAILBOX_t)); |
7a470277 | 4864 | pmb->un.varBIUdiag.un.s2.xmit_bde64.addrLow = |
7ad20aa9 | 4865 | putPaddrLow(dmabuf->phys + sizeof(MAILBOX_t)); |
7a470277 JS |
4866 | |
4867 | pmb->un.varBIUdiag.un.s2.rcv_bde64.addrHigh = | |
7ad20aa9 JS |
4868 | putPaddrHigh(dmabuf->phys + sizeof(MAILBOX_t) |
4869 | + pmb->un.varBIUdiag.un.s2.xmit_bde64.tus.f.bdeSize); | |
7a470277 | 4870 | pmb->un.varBIUdiag.un.s2.rcv_bde64.addrLow = |
7ad20aa9 JS |
4871 | putPaddrLow(dmabuf->phys + sizeof(MAILBOX_t) |
4872 | + pmb->un.varBIUdiag.un.s2.xmit_bde64.tus.f.bdeSize); | |
c7495937 | 4873 | } else if (pmb->mbxCommand == MBX_READ_EVENT_LOG) { |
b6e3b9c6 JS |
4874 | rdEventLog = &pmb->un.varRdEventLog; |
4875 | receive_length = rdEventLog->rcv_bde64.tus.f.bdeSize; | |
4876 | mode = bf_get(lpfc_event_log, rdEventLog); | |
c7495937 JS |
4877 | |
4878 | /* receive length cannot be greater than mailbox | |
4879 | * extension size | |
4880 | */ | |
88a2cfbb | 4881 | if (receive_length > BSG_MBOX_SIZE - sizeof(MAILBOX_t)) { |
c7495937 JS |
4882 | rc = -ERANGE; |
4883 | goto job_done; | |
4884 | } | |
4885 | ||
4886 | /* mode zero uses a bde like biu diags command */ | |
4887 | if (mode == 0) { | |
7ad20aa9 JS |
4888 | pmb->un.varWords[3] = putPaddrLow(dmabuf->phys |
4889 | + sizeof(MAILBOX_t)); | |
4890 | pmb->un.varWords[4] = putPaddrHigh(dmabuf->phys | |
4891 | + sizeof(MAILBOX_t)); | |
c7495937 JS |
4892 | } |
4893 | } else if (phba->sli_rev == LPFC_SLI_REV4) { | |
3ef6d24c JS |
4894 | /* Let type 4 (well known data) through because the data is |
4895 | * returned in varwords[4-8] | |
4896 | * otherwise check the recieve length and fetch the buffer addr | |
4897 | */ | |
4898 | if ((pmb->mbxCommand == MBX_DUMP_MEMORY) && | |
4899 | (pmb->un.varDmp.type != DMP_WELL_KNOWN)) { | |
c7495937 JS |
4900 | /* rebuild the command for sli4 using our own buffers |
4901 | * like we do for biu diags | |
4902 | */ | |
b6e3b9c6 | 4903 | receive_length = pmb->un.varWords[2]; |
c7495937 JS |
4904 | /* receive length cannot be greater than mailbox |
4905 | * extension size | |
4906 | */ | |
7ad20aa9 | 4907 | if (receive_length == 0) { |
c7495937 JS |
4908 | rc = -ERANGE; |
4909 | goto job_done; | |
4910 | } | |
7ad20aa9 JS |
4911 | pmb->un.varWords[3] = putPaddrLow(dmabuf->phys |
4912 | + sizeof(MAILBOX_t)); | |
4913 | pmb->un.varWords[4] = putPaddrHigh(dmabuf->phys | |
4914 | + sizeof(MAILBOX_t)); | |
c7495937 JS |
4915 | } else if ((pmb->mbxCommand == MBX_UPDATE_CFG) && |
4916 | pmb->un.varUpdateCfg.co) { | |
b6e3b9c6 | 4917 | bde = (struct ulp_bde64 *)&pmb->un.varWords[4]; |
c7495937 JS |
4918 | |
4919 | /* bde size cannot be greater than mailbox ext size */ | |
88a2cfbb JS |
4920 | if (bde->tus.f.bdeSize > |
4921 | BSG_MBOX_SIZE - sizeof(MAILBOX_t)) { | |
c7495937 JS |
4922 | rc = -ERANGE; |
4923 | goto job_done; | |
4924 | } | |
7ad20aa9 JS |
4925 | bde->addrHigh = putPaddrHigh(dmabuf->phys |
4926 | + sizeof(MAILBOX_t)); | |
4927 | bde->addrLow = putPaddrLow(dmabuf->phys | |
4928 | + sizeof(MAILBOX_t)); | |
515e0aa2 | 4929 | } else if (pmb->mbxCommand == MBX_SLI4_CONFIG) { |
7ad20aa9 JS |
4930 | /* Handling non-embedded SLI_CONFIG mailbox command */ |
4931 | sli4_config = &pmboxq->u.mqe.un.sli4_config; | |
4932 | if (!bf_get(lpfc_mbox_hdr_emb, | |
4933 | &sli4_config->header.cfg_mhdr)) { | |
4934 | /* rebuild the command for sli4 using our | |
4935 | * own buffers like we do for biu diags | |
4936 | */ | |
7ad20aa9 JS |
4937 | nembed_sge = (struct lpfc_mbx_nembed_cmd *) |
4938 | &pmb->un.varWords[0]; | |
4939 | receive_length = nembed_sge->sge[0].length; | |
4940 | ||
4941 | /* receive length cannot be greater than | |
4942 | * mailbox extension size | |
4943 | */ | |
4944 | if ((receive_length == 0) || | |
88a2cfbb JS |
4945 | (receive_length > |
4946 | BSG_MBOX_SIZE - sizeof(MAILBOX_t))) { | |
7ad20aa9 JS |
4947 | rc = -ERANGE; |
4948 | goto job_done; | |
4949 | } | |
515e0aa2 | 4950 | |
7ad20aa9 JS |
4951 | nembed_sge->sge[0].pa_hi = |
4952 | putPaddrHigh(dmabuf->phys | |
4953 | + sizeof(MAILBOX_t)); | |
4954 | nembed_sge->sge[0].pa_lo = | |
4955 | putPaddrLow(dmabuf->phys | |
4956 | + sizeof(MAILBOX_t)); | |
515e0aa2 | 4957 | } |
c7495937 | 4958 | } |
7a470277 JS |
4959 | } |
4960 | ||
7ad20aa9 | 4961 | dd_data->context_un.mbox.dmabuffers = dmabuf; |
c7495937 | 4962 | |
7a470277 | 4963 | /* setup wake call as IOCB callback */ |
7ad20aa9 | 4964 | pmboxq->mbox_cmpl = lpfc_bsg_issue_mbox_cmpl; |
7a470277 JS |
4965 | |
4966 | /* setup context field to pass wait_queue pointer to wake function */ | |
3e1f0718 | 4967 | pmboxq->ctx_ndlp = dd_data; |
7a470277 | 4968 | dd_data->type = TYPE_MBOX; |
a33c4f7b | 4969 | dd_data->set_job = job; |
7a470277 | 4970 | dd_data->context_un.mbox.pmboxq = pmboxq; |
7ad20aa9 | 4971 | dd_data->context_un.mbox.mb = (MAILBOX_t *)pmbx; |
7a470277 JS |
4972 | dd_data->context_un.mbox.ext = ext; |
4973 | dd_data->context_un.mbox.mbOffset = mbox_req->mbOffset; | |
4974 | dd_data->context_un.mbox.inExtWLen = mbox_req->inExtWLen; | |
c7495937 | 4975 | dd_data->context_un.mbox.outExtWLen = mbox_req->outExtWLen; |
7a470277 JS |
4976 | job->dd_data = dd_data; |
4977 | ||
3b5dd52a JS |
4978 | if ((vport->fc_flag & FC_OFFLINE_MODE) || |
4979 | (!(phba->sli.sli_flag & LPFC_SLI_ACTIVE))) { | |
4980 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_POLL); | |
4981 | if (rc != MBX_SUCCESS) { | |
7a470277 JS |
4982 | rc = (rc == MBX_TIMEOUT) ? -ETIME : -ENODEV; |
4983 | goto job_done; | |
3b5dd52a JS |
4984 | } |
4985 | ||
7a470277 | 4986 | /* job finished, copy the data */ |
7ad20aa9 | 4987 | memcpy(pmbx, pmb, sizeof(*pmb)); |
01e0e15c | 4988 | bsg_reply->reply_payload_rcv_len = |
3b5dd52a | 4989 | sg_copy_from_buffer(job->reply_payload.sg_list, |
7ad20aa9 JS |
4990 | job->reply_payload.sg_cnt, |
4991 | pmbx, size); | |
3b5dd52a | 4992 | /* not waiting mbox already done */ |
7a470277 JS |
4993 | rc = 0; |
4994 | goto job_done; | |
3b5dd52a JS |
4995 | } |
4996 | ||
3b5dd52a | 4997 | rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); |
7a470277 JS |
4998 | if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) |
4999 | return 1; /* job started */ | |
5000 | ||
5001 | job_done: | |
5002 | /* common exit for error or job completed inline */ | |
7a470277 | 5003 | if (pmboxq) |
3b5dd52a | 5004 | mempool_free(pmboxq, phba->mbox_mem_pool); |
7ad20aa9 | 5005 | lpfc_bsg_dma_page_free(phba, dmabuf); |
7a470277 | 5006 | kfree(dd_data); |
3b5dd52a | 5007 | |
7ad20aa9 | 5008 | job_cont: |
7a470277 | 5009 | return rc; |
3b5dd52a JS |
5010 | } |
5011 | ||
5012 | /** | |
5013 | * lpfc_bsg_mbox_cmd - process an fc bsg LPFC_BSG_VENDOR_MBOX command | |
5014 | * @job: MBOX fc_bsg_job for LPFC_BSG_VENDOR_MBOX. | |
5015 | **/ | |
5016 | static int | |
75cc8cfc | 5017 | lpfc_bsg_mbox_cmd(struct bsg_job *job) |
3b5dd52a | 5018 | { |
cd21c605 | 5019 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
01e0e15c JT |
5020 | struct fc_bsg_request *bsg_request = job->request; |
5021 | struct fc_bsg_reply *bsg_reply = job->reply; | |
3b5dd52a | 5022 | struct lpfc_hba *phba = vport->phba; |
7ad20aa9 | 5023 | struct dfc_mbox_req *mbox_req; |
3b5dd52a JS |
5024 | int rc = 0; |
5025 | ||
7ad20aa9 | 5026 | /* mix-and-match backward compatibility */ |
01e0e15c | 5027 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a JS |
5028 | if (job->request_len < |
5029 | sizeof(struct fc_bsg_request) + sizeof(struct dfc_mbox_req)) { | |
7ad20aa9 | 5030 | lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, |
1051e9b3 | 5031 | "2737 Mix-and-match backward compatibility " |
7ad20aa9 JS |
5032 | "between MBOX_REQ old size:%d and " |
5033 | "new request size:%d\n", | |
5034 | (int)(job->request_len - | |
5035 | sizeof(struct fc_bsg_request)), | |
5036 | (int)sizeof(struct dfc_mbox_req)); | |
5037 | mbox_req = (struct dfc_mbox_req *) | |
01e0e15c | 5038 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
7ad20aa9 JS |
5039 | mbox_req->extMboxTag = 0; |
5040 | mbox_req->extSeqNum = 0; | |
3b5dd52a JS |
5041 | } |
5042 | ||
5043 | rc = lpfc_bsg_issue_mbox(phba, job, vport); | |
5044 | ||
3b5dd52a JS |
5045 | if (rc == 0) { |
5046 | /* job done */ | |
01e0e15c | 5047 | bsg_reply->result = 0; |
3b5dd52a | 5048 | job->dd_data = NULL; |
06548160 | 5049 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 5050 | bsg_reply->reply_payload_rcv_len); |
3b5dd52a JS |
5051 | } else if (rc == 1) |
5052 | /* job submitted, will complete later*/ | |
5053 | rc = 0; /* return zero, no error */ | |
5054 | else { | |
5055 | /* some error occurred */ | |
01e0e15c | 5056 | bsg_reply->result = rc; |
3b5dd52a JS |
5057 | job->dd_data = NULL; |
5058 | } | |
5059 | ||
5060 | return rc; | |
5061 | } | |
5062 | ||
e2aed29f JS |
5063 | /** |
5064 | * lpfc_bsg_menlo_cmd_cmp - lpfc_menlo_cmd completion handler | |
5065 | * @phba: Pointer to HBA context object. | |
5066 | * @cmdiocbq: Pointer to command iocb. | |
5067 | * @rspiocbq: Pointer to response iocb. | |
5068 | * | |
5069 | * This function is the completion handler for iocbs issued using | |
5070 | * lpfc_menlo_cmd function. This function is called by the | |
5071 | * ring event handler function without any lock held. This function | |
5072 | * can be called from both worker thread context and interrupt | |
5073 | * context. This function also can be called from another thread which | |
5074 | * cleans up the SLI layer objects. | |
5075 | * This function copies the contents of the response iocb to the | |
5076 | * response iocb memory object provided by the caller of | |
5077 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
5078 | * sleeps for the iocb completion. | |
5079 | **/ | |
5080 | static void | |
5081 | lpfc_bsg_menlo_cmd_cmp(struct lpfc_hba *phba, | |
5082 | struct lpfc_iocbq *cmdiocbq, | |
5083 | struct lpfc_iocbq *rspiocbq) | |
5084 | { | |
5085 | struct bsg_job_data *dd_data; | |
75cc8cfc | 5086 | struct bsg_job *job; |
01e0e15c | 5087 | struct fc_bsg_reply *bsg_reply; |
e2aed29f | 5088 | IOCB_t *rsp; |
a33c4f7b | 5089 | struct lpfc_dmabuf *bmp, *cmp, *rmp; |
e2aed29f JS |
5090 | struct lpfc_bsg_menlo *menlo; |
5091 | unsigned long flags; | |
5092 | struct menlo_response *menlo_resp; | |
a33c4f7b | 5093 | unsigned int rsp_size; |
e2aed29f JS |
5094 | int rc = 0; |
5095 | ||
e2aed29f | 5096 | dd_data = cmdiocbq->context1; |
a33c4f7b JS |
5097 | cmp = cmdiocbq->context2; |
5098 | bmp = cmdiocbq->context3; | |
e2aed29f | 5099 | menlo = &dd_data->context_un.menlo; |
a33c4f7b | 5100 | rmp = menlo->rmp; |
e2aed29f JS |
5101 | rsp = &rspiocbq->iocb; |
5102 | ||
a33c4f7b JS |
5103 | /* Determine if job has been aborted */ |
5104 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
5105 | job = dd_data->set_job; | |
5106 | if (job) { | |
01e0e15c | 5107 | bsg_reply = job->reply; |
a33c4f7b JS |
5108 | /* Prevent timeout handling from trying to abort job */ |
5109 | job->dd_data = NULL; | |
5110 | } | |
5111 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
5112 | ||
5113 | /* Copy the job data or set the failing status for the job */ | |
e2aed29f | 5114 | |
a33c4f7b JS |
5115 | if (job) { |
5116 | /* always return the xri, this would be used in the case | |
5117 | * of a menlo download to allow the data to be sent as a | |
5118 | * continuation of the exchange. | |
5119 | */ | |
5120 | ||
5121 | menlo_resp = (struct menlo_response *) | |
01e0e15c | 5122 | bsg_reply->reply_data.vendor_reply.vendor_rsp; |
a33c4f7b JS |
5123 | menlo_resp->xri = rsp->ulpContext; |
5124 | if (rsp->ulpStatus) { | |
5125 | if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) { | |
5126 | switch (rsp->un.ulpWord[4] & IOERR_PARAM_MASK) { | |
5127 | case IOERR_SEQUENCE_TIMEOUT: | |
5128 | rc = -ETIMEDOUT; | |
5129 | break; | |
5130 | case IOERR_INVALID_RPI: | |
5131 | rc = -EFAULT; | |
5132 | break; | |
5133 | default: | |
5134 | rc = -EACCES; | |
5135 | break; | |
5136 | } | |
5137 | } else { | |
e2aed29f | 5138 | rc = -EACCES; |
e2aed29f | 5139 | } |
a33c4f7b JS |
5140 | } else { |
5141 | rsp_size = rsp->un.genreq64.bdl.bdeSize; | |
01e0e15c | 5142 | bsg_reply->reply_payload_rcv_len = |
a33c4f7b JS |
5143 | lpfc_bsg_copy_data(rmp, &job->reply_payload, |
5144 | rsp_size, 0); | |
5145 | } | |
5146 | ||
5147 | } | |
e2aed29f | 5148 | |
e2aed29f | 5149 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
a33c4f7b JS |
5150 | lpfc_free_bsg_buffers(phba, cmp); |
5151 | lpfc_free_bsg_buffers(phba, rmp); | |
5152 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); | |
e2aed29f JS |
5153 | kfree(bmp); |
5154 | kfree(dd_data); | |
a33c4f7b JS |
5155 | |
5156 | /* Complete the job if active */ | |
5157 | ||
5158 | if (job) { | |
01e0e15c | 5159 | bsg_reply->result = rc; |
06548160 | 5160 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 5161 | bsg_reply->reply_payload_rcv_len); |
a33c4f7b JS |
5162 | } |
5163 | ||
e2aed29f JS |
5164 | return; |
5165 | } | |
5166 | ||
5167 | /** | |
5168 | * lpfc_menlo_cmd - send an ioctl for menlo hardware | |
5169 | * @job: fc_bsg_job to handle | |
5170 | * | |
5171 | * This function issues a gen request 64 CR ioctl for all menlo cmd requests, | |
5172 | * all the command completions will return the xri for the command. | |
5173 | * For menlo data requests a gen request 64 CX is used to continue the exchange | |
5174 | * supplied in the menlo request header xri field. | |
5175 | **/ | |
5176 | static int | |
75cc8cfc | 5177 | lpfc_menlo_cmd(struct bsg_job *job) |
e2aed29f | 5178 | { |
cd21c605 | 5179 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
01e0e15c JT |
5180 | struct fc_bsg_request *bsg_request = job->request; |
5181 | struct fc_bsg_reply *bsg_reply = job->reply; | |
e2aed29f | 5182 | struct lpfc_hba *phba = vport->phba; |
a33c4f7b JS |
5183 | struct lpfc_iocbq *cmdiocbq; |
5184 | IOCB_t *cmd; | |
e2aed29f JS |
5185 | int rc = 0; |
5186 | struct menlo_command *menlo_cmd; | |
a33c4f7b | 5187 | struct lpfc_dmabuf *bmp = NULL, *cmp = NULL, *rmp = NULL; |
e2aed29f JS |
5188 | int request_nseg; |
5189 | int reply_nseg; | |
e2aed29f JS |
5190 | struct bsg_job_data *dd_data; |
5191 | struct ulp_bde64 *bpl = NULL; | |
5192 | ||
5193 | /* in case no data is returned return just the return code */ | |
01e0e15c | 5194 | bsg_reply->reply_payload_rcv_len = 0; |
e2aed29f JS |
5195 | |
5196 | if (job->request_len < | |
5197 | sizeof(struct fc_bsg_request) + | |
5198 | sizeof(struct menlo_command)) { | |
5199 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5200 | "2784 Received MENLO_CMD request below " | |
5201 | "minimum size\n"); | |
5202 | rc = -ERANGE; | |
5203 | goto no_dd_data; | |
5204 | } | |
5205 | ||
5206 | if (job->reply_len < | |
5207 | sizeof(struct fc_bsg_request) + sizeof(struct menlo_response)) { | |
5208 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5209 | "2785 Received MENLO_CMD reply below " | |
5210 | "minimum size\n"); | |
5211 | rc = -ERANGE; | |
5212 | goto no_dd_data; | |
5213 | } | |
5214 | ||
5215 | if (!(phba->menlo_flag & HBA_MENLO_SUPPORT)) { | |
5216 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5217 | "2786 Adapter does not support menlo " | |
5218 | "commands\n"); | |
5219 | rc = -EPERM; | |
5220 | goto no_dd_data; | |
5221 | } | |
5222 | ||
5223 | menlo_cmd = (struct menlo_command *) | |
01e0e15c | 5224 | bsg_request->rqst_data.h_vendor.vendor_cmd; |
e2aed29f | 5225 | |
e2aed29f JS |
5226 | /* allocate our bsg tracking structure */ |
5227 | dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); | |
5228 | if (!dd_data) { | |
5229 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5230 | "2787 Failed allocation of dd_data\n"); | |
5231 | rc = -ENOMEM; | |
5232 | goto no_dd_data; | |
5233 | } | |
5234 | ||
5235 | bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
5236 | if (!bmp) { | |
5237 | rc = -ENOMEM; | |
5238 | goto free_dd; | |
5239 | } | |
5240 | ||
a33c4f7b JS |
5241 | bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys); |
5242 | if (!bmp->virt) { | |
e2aed29f JS |
5243 | rc = -ENOMEM; |
5244 | goto free_bmp; | |
5245 | } | |
5246 | ||
a33c4f7b | 5247 | INIT_LIST_HEAD(&bmp->list); |
e2aed29f | 5248 | |
a33c4f7b JS |
5249 | bpl = (struct ulp_bde64 *)bmp->virt; |
5250 | request_nseg = LPFC_BPL_SIZE/sizeof(struct ulp_bde64); | |
5251 | cmp = lpfc_alloc_bsg_buffers(phba, job->request_payload.payload_len, | |
5252 | 1, bpl, &request_nseg); | |
5253 | if (!cmp) { | |
e2aed29f | 5254 | rc = -ENOMEM; |
a33c4f7b | 5255 | goto free_bmp; |
e2aed29f | 5256 | } |
a33c4f7b JS |
5257 | lpfc_bsg_copy_data(cmp, &job->request_payload, |
5258 | job->request_payload.payload_len, 1); | |
e2aed29f | 5259 | |
a33c4f7b JS |
5260 | bpl += request_nseg; |
5261 | reply_nseg = LPFC_BPL_SIZE/sizeof(struct ulp_bde64) - request_nseg; | |
5262 | rmp = lpfc_alloc_bsg_buffers(phba, job->reply_payload.payload_len, 0, | |
5263 | bpl, &reply_nseg); | |
5264 | if (!rmp) { | |
5265 | rc = -ENOMEM; | |
5266 | goto free_cmp; | |
e2aed29f JS |
5267 | } |
5268 | ||
a33c4f7b JS |
5269 | cmdiocbq = lpfc_sli_get_iocbq(phba); |
5270 | if (!cmdiocbq) { | |
5271 | rc = -ENOMEM; | |
5272 | goto free_rmp; | |
e2aed29f JS |
5273 | } |
5274 | ||
5275 | cmd = &cmdiocbq->iocb; | |
5276 | cmd->un.genreq64.bdl.ulpIoTag32 = 0; | |
5277 | cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys); | |
5278 | cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys); | |
5279 | cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
5280 | cmd->un.genreq64.bdl.bdeSize = | |
5281 | (request_nseg + reply_nseg) * sizeof(struct ulp_bde64); | |
5282 | cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA); | |
5283 | cmd->un.genreq64.w5.hcsw.Dfctl = 0; | |
5284 | cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CMD; | |
5285 | cmd->un.genreq64.w5.hcsw.Type = MENLO_TRANSPORT_TYPE; /* 0xfe */ | |
5286 | cmd->ulpBdeCount = 1; | |
5287 | cmd->ulpClass = CLASS3; | |
5288 | cmd->ulpOwner = OWN_CHIP; | |
5289 | cmd->ulpLe = 1; /* Limited Edition */ | |
5290 | cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; | |
5291 | cmdiocbq->vport = phba->pport; | |
5292 | /* We want the firmware to timeout before we do */ | |
5293 | cmd->ulpTimeout = MENLO_TIMEOUT - 5; | |
e2aed29f JS |
5294 | cmdiocbq->iocb_cmpl = lpfc_bsg_menlo_cmd_cmp; |
5295 | cmdiocbq->context1 = dd_data; | |
a33c4f7b JS |
5296 | cmdiocbq->context2 = cmp; |
5297 | cmdiocbq->context3 = bmp; | |
e2aed29f JS |
5298 | if (menlo_cmd->cmd == LPFC_BSG_VENDOR_MENLO_CMD) { |
5299 | cmd->ulpCommand = CMD_GEN_REQUEST64_CR; | |
5300 | cmd->ulpPU = MENLO_PU; /* 3 */ | |
5301 | cmd->un.ulpWord[4] = MENLO_DID; /* 0x0000FC0E */ | |
5302 | cmd->ulpContext = MENLO_CONTEXT; /* 0 */ | |
5303 | } else { | |
5304 | cmd->ulpCommand = CMD_GEN_REQUEST64_CX; | |
5305 | cmd->ulpPU = 1; | |
5306 | cmd->un.ulpWord[4] = 0; | |
5307 | cmd->ulpContext = menlo_cmd->xri; | |
5308 | } | |
5309 | ||
5310 | dd_data->type = TYPE_MENLO; | |
a33c4f7b | 5311 | dd_data->set_job = job; |
e2aed29f | 5312 | dd_data->context_un.menlo.cmdiocbq = cmdiocbq; |
a33c4f7b JS |
5313 | dd_data->context_un.menlo.rmp = rmp; |
5314 | job->dd_data = dd_data; | |
e2aed29f JS |
5315 | |
5316 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq, | |
5317 | MENLO_TIMEOUT - 5); | |
5318 | if (rc == IOCB_SUCCESS) | |
5319 | return 0; /* done for now */ | |
5320 | ||
e2aed29f | 5321 | lpfc_sli_release_iocbq(phba, cmdiocbq); |
a33c4f7b JS |
5322 | |
5323 | free_rmp: | |
5324 | lpfc_free_bsg_buffers(phba, rmp); | |
5325 | free_cmp: | |
5326 | lpfc_free_bsg_buffers(phba, cmp); | |
e2aed29f | 5327 | free_bmp: |
a33c4f7b JS |
5328 | if (bmp->virt) |
5329 | lpfc_mbuf_free(phba, bmp->virt, bmp->phys); | |
e2aed29f JS |
5330 | kfree(bmp); |
5331 | free_dd: | |
5332 | kfree(dd_data); | |
5333 | no_dd_data: | |
5334 | /* make error code available to userspace */ | |
01e0e15c | 5335 | bsg_reply->result = rc; |
e2aed29f JS |
5336 | job->dd_data = NULL; |
5337 | return rc; | |
5338 | } | |
b6e3b9c6 | 5339 | |
c691816e | 5340 | static int |
75cc8cfc | 5341 | lpfc_forced_link_speed(struct bsg_job *job) |
c691816e | 5342 | { |
cd21c605 | 5343 | struct Scsi_Host *shost = fc_bsg_to_shost(job); |
c691816e JS |
5344 | struct lpfc_vport *vport = shost_priv(shost); |
5345 | struct lpfc_hba *phba = vport->phba; | |
01e0e15c | 5346 | struct fc_bsg_reply *bsg_reply = job->reply; |
c691816e JS |
5347 | struct forced_link_speed_support_reply *forced_reply; |
5348 | int rc = 0; | |
5349 | ||
5350 | if (job->request_len < | |
5351 | sizeof(struct fc_bsg_request) + | |
5352 | sizeof(struct get_forced_link_speed_support)) { | |
5353 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5354 | "0048 Received FORCED_LINK_SPEED request " | |
5355 | "below minimum size\n"); | |
5356 | rc = -EINVAL; | |
5357 | goto job_error; | |
5358 | } | |
5359 | ||
5360 | forced_reply = (struct forced_link_speed_support_reply *) | |
01e0e15c | 5361 | bsg_reply->reply_data.vendor_reply.vendor_rsp; |
c691816e JS |
5362 | |
5363 | if (job->reply_len < | |
5364 | sizeof(struct fc_bsg_request) + | |
5365 | sizeof(struct forced_link_speed_support_reply)) { | |
5366 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5367 | "0049 Received FORCED_LINK_SPEED reply below " | |
5368 | "minimum size\n"); | |
5369 | rc = -EINVAL; | |
5370 | goto job_error; | |
5371 | } | |
5372 | ||
5373 | forced_reply->supported = (phba->hba_flag & HBA_FORCED_LINK_SPEED) | |
5374 | ? LPFC_FORCED_LINK_SPEED_SUPPORTED | |
5375 | : LPFC_FORCED_LINK_SPEED_NOT_SUPPORTED; | |
5376 | job_error: | |
01e0e15c | 5377 | bsg_reply->result = rc; |
c691816e | 5378 | if (rc == 0) |
06548160 | 5379 | bsg_job_done(job, bsg_reply->result, |
1abaede7 | 5380 | bsg_reply->reply_payload_rcv_len); |
c691816e JS |
5381 | return rc; |
5382 | } | |
5383 | ||
d2cc9bcd JS |
5384 | /** |
5385 | * lpfc_check_fwlog_support: Check FW log support on the adapter | |
5386 | * @phba: Pointer to HBA context object. | |
5387 | * | |
5388 | * Check if FW Logging support by the adapter | |
5389 | **/ | |
5390 | int | |
5391 | lpfc_check_fwlog_support(struct lpfc_hba *phba) | |
5392 | { | |
5393 | struct lpfc_ras_fwlog *ras_fwlog = NULL; | |
5394 | ||
5395 | ras_fwlog = &phba->ras_fwlog; | |
5396 | ||
5397 | if (ras_fwlog->ras_hwsupport == false) | |
5398 | return -EACCES; | |
5399 | else if (ras_fwlog->ras_enabled == false) | |
5400 | return -EPERM; | |
5401 | else | |
5402 | return 0; | |
5403 | } | |
5404 | ||
5405 | /** | |
5406 | * lpfc_bsg_get_ras_config: Get RAS configuration settings | |
5407 | * @job: fc_bsg_job to handle | |
5408 | * | |
5409 | * Get RAS configuration values set. | |
5410 | **/ | |
5411 | static int | |
5412 | lpfc_bsg_get_ras_config(struct bsg_job *job) | |
5413 | { | |
5414 | struct Scsi_Host *shost = fc_bsg_to_shost(job); | |
5415 | struct lpfc_vport *vport = shost_priv(shost); | |
5416 | struct fc_bsg_reply *bsg_reply = job->reply; | |
5417 | struct lpfc_hba *phba = vport->phba; | |
5418 | struct lpfc_bsg_get_ras_config_reply *ras_reply; | |
5419 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
5420 | int rc = 0; | |
5421 | ||
5422 | if (job->request_len < | |
5423 | sizeof(struct fc_bsg_request) + | |
5424 | sizeof(struct lpfc_bsg_ras_req)) { | |
5425 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
cb34990b | 5426 | "6192 FW_LOG request received " |
d2cc9bcd JS |
5427 | "below minimum size\n"); |
5428 | rc = -EINVAL; | |
5429 | goto ras_job_error; | |
5430 | } | |
5431 | ||
5432 | /* Check FW log status */ | |
5433 | rc = lpfc_check_fwlog_support(phba); | |
cb34990b | 5434 | if (rc) |
d2cc9bcd JS |
5435 | goto ras_job_error; |
5436 | ||
5437 | ras_reply = (struct lpfc_bsg_get_ras_config_reply *) | |
5438 | bsg_reply->reply_data.vendor_reply.vendor_rsp; | |
5439 | ||
5440 | /* Current logging state */ | |
5441 | if (ras_fwlog->ras_active == true) | |
5442 | ras_reply->state = LPFC_RASLOG_STATE_RUNNING; | |
5443 | else | |
5444 | ras_reply->state = LPFC_RASLOG_STATE_STOPPED; | |
5445 | ||
5446 | ras_reply->log_level = phba->ras_fwlog.fw_loglevel; | |
5447 | ras_reply->log_buff_sz = phba->cfg_ras_fwlog_buffsize; | |
5448 | ||
5449 | ras_job_error: | |
5450 | /* make error code available to userspace */ | |
5451 | bsg_reply->result = rc; | |
5452 | ||
5453 | /* complete the job back to userspace */ | |
5454 | bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); | |
5455 | return rc; | |
5456 | } | |
5457 | ||
d2cc9bcd JS |
5458 | /** |
5459 | * lpfc_bsg_set_ras_config: Set FW logging parameters | |
5460 | * @job: fc_bsg_job to handle | |
5461 | * | |
5462 | * Set log-level parameters for FW-logging in host memory | |
5463 | **/ | |
5464 | static int | |
5465 | lpfc_bsg_set_ras_config(struct bsg_job *job) | |
5466 | { | |
5467 | struct Scsi_Host *shost = fc_bsg_to_shost(job); | |
5468 | struct lpfc_vport *vport = shost_priv(shost); | |
5469 | struct lpfc_hba *phba = vport->phba; | |
5470 | struct lpfc_bsg_set_ras_config_req *ras_req; | |
5471 | struct fc_bsg_request *bsg_request = job->request; | |
5472 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
5473 | struct fc_bsg_reply *bsg_reply = job->reply; | |
5474 | uint8_t action = 0, log_level = 0; | |
191e2f74 | 5475 | int rc = 0, action_status = 0; |
d2cc9bcd JS |
5476 | |
5477 | if (job->request_len < | |
5478 | sizeof(struct fc_bsg_request) + | |
5479 | sizeof(struct lpfc_bsg_set_ras_config_req)) { | |
5480 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
5481 | "6182 Received RAS_LOG request " | |
5482 | "below minimum size\n"); | |
5483 | rc = -EINVAL; | |
5484 | goto ras_job_error; | |
5485 | } | |
5486 | ||
5487 | /* Check FW log status */ | |
5488 | rc = lpfc_check_fwlog_support(phba); | |
cb34990b | 5489 | if (rc) |
d2cc9bcd JS |
5490 | goto ras_job_error; |
5491 | ||
5492 | ras_req = (struct lpfc_bsg_set_ras_config_req *) | |
5493 | bsg_request->rqst_data.h_vendor.vendor_cmd; | |
5494 | action = ras_req->action; | |
5495 | log_level = ras_req->log_level; | |
5496 | ||
5497 | if (action == LPFC_RASACTION_STOP_LOGGING) { | |
5498 | /* Check if already disabled */ | |
5499 | if (ras_fwlog->ras_active == false) { | |
5500 | rc = -ESRCH; | |
5501 | goto ras_job_error; | |
5502 | } | |
5503 | ||
5504 | /* Disable logging */ | |
5505 | lpfc_ras_stop_fwlog(phba); | |
5506 | } else { | |
5507 | /*action = LPFC_RASACTION_START_LOGGING*/ | |
191e2f74 JS |
5508 | |
5509 | /* Even though FW-logging is active re-initialize | |
5510 | * FW-logging with new log-level. Return status | |
5511 | * "Logging already Running" to caller. | |
5512 | **/ | |
5513 | if (ras_fwlog->ras_active) | |
5514 | action_status = -EINPROGRESS; | |
d2cc9bcd JS |
5515 | |
5516 | /* Enable logging */ | |
5517 | rc = lpfc_sli4_ras_fwlog_init(phba, log_level, | |
5518 | LPFC_RAS_ENABLE_LOGGING); | |
191e2f74 | 5519 | if (rc) { |
d2cc9bcd | 5520 | rc = -EINVAL; |
191e2f74 JS |
5521 | goto ras_job_error; |
5522 | } | |
5523 | ||
5524 | /* Check if FW-logging is re-initialized */ | |
5525 | if (action_status == -EINPROGRESS) | |
5526 | rc = action_status; | |
d2cc9bcd JS |
5527 | } |
5528 | ras_job_error: | |
5529 | /* make error code available to userspace */ | |
5530 | bsg_reply->result = rc; | |
5531 | ||
5532 | /* complete the job back to userspace */ | |
5533 | bsg_job_done(job, bsg_reply->result, | |
5534 | bsg_reply->reply_payload_rcv_len); | |
5535 | ||
5536 | return rc; | |
5537 | } | |
5538 | ||
5539 | /** | |
5540 | * lpfc_bsg_get_ras_lwpd: Get log write position data | |
5541 | * @job: fc_bsg_job to handle | |
5542 | * | |
5543 | * Get Offset/Wrap count of the log message written | |
5544 | * in host memory | |
5545 | **/ | |
5546 | static int | |
5547 | lpfc_bsg_get_ras_lwpd(struct bsg_job *job) | |
5548 | { | |
5549 | struct Scsi_Host *shost = fc_bsg_to_shost(job); | |
5550 | struct lpfc_vport *vport = shost_priv(shost); | |
5551 | struct lpfc_bsg_get_ras_lwpd *ras_reply; | |
5552 | struct lpfc_hba *phba = vport->phba; | |
5553 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
5554 | struct fc_bsg_reply *bsg_reply = job->reply; | |
191e2f74 | 5555 | u32 *lwpd_ptr = NULL; |
d2cc9bcd JS |
5556 | int rc = 0; |
5557 | ||
5558 | rc = lpfc_check_fwlog_support(phba); | |
cb34990b | 5559 | if (rc) |
d2cc9bcd JS |
5560 | goto ras_job_error; |
5561 | ||
5562 | if (job->request_len < | |
5563 | sizeof(struct fc_bsg_request) + | |
5564 | sizeof(struct lpfc_bsg_ras_req)) { | |
5565 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
5566 | "6183 Received RAS_LOG request " | |
5567 | "below minimum size\n"); | |
5568 | rc = -EINVAL; | |
5569 | goto ras_job_error; | |
5570 | } | |
5571 | ||
5572 | ras_reply = (struct lpfc_bsg_get_ras_lwpd *) | |
5573 | bsg_reply->reply_data.vendor_reply.vendor_rsp; | |
5574 | ||
cb34990b JS |
5575 | if (!ras_fwlog->lwpd.virt) { |
5576 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
5577 | "6193 Restart FW Logging\n"); | |
1165a5c2 JS |
5578 | rc = -EINVAL; |
5579 | goto ras_job_error; | |
cb34990b JS |
5580 | } |
5581 | ||
191e2f74 JS |
5582 | /* Get lwpd offset */ |
5583 | lwpd_ptr = (uint32_t *)(ras_fwlog->lwpd.virt); | |
5584 | ras_reply->offset = be32_to_cpu(*lwpd_ptr & 0xffffffff); | |
d2cc9bcd | 5585 | |
191e2f74 JS |
5586 | /* Get wrap count */ |
5587 | ras_reply->wrap_count = be32_to_cpu(*(++lwpd_ptr) & 0xffffffff); | |
d2cc9bcd JS |
5588 | |
5589 | ras_job_error: | |
5590 | /* make error code available to userspace */ | |
5591 | bsg_reply->result = rc; | |
5592 | ||
5593 | /* complete the job back to userspace */ | |
5594 | bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); | |
5595 | ||
5596 | return rc; | |
5597 | } | |
5598 | ||
5599 | /** | |
5600 | * lpfc_bsg_get_ras_fwlog: Read FW log | |
5601 | * @job: fc_bsg_job to handle | |
5602 | * | |
5603 | * Copy the FW log into the passed buffer. | |
5604 | **/ | |
5605 | static int | |
5606 | lpfc_bsg_get_ras_fwlog(struct bsg_job *job) | |
5607 | { | |
5608 | struct Scsi_Host *shost = fc_bsg_to_shost(job); | |
5609 | struct lpfc_vport *vport = shost_priv(shost); | |
5610 | struct lpfc_hba *phba = vport->phba; | |
5611 | struct fc_bsg_request *bsg_request = job->request; | |
5612 | struct fc_bsg_reply *bsg_reply = job->reply; | |
5613 | struct lpfc_bsg_get_fwlog_req *ras_req; | |
191e2f74 JS |
5614 | u32 rd_offset, rd_index, offset; |
5615 | void *src, *fwlog_buff; | |
d2cc9bcd JS |
5616 | struct lpfc_ras_fwlog *ras_fwlog = NULL; |
5617 | struct lpfc_dmabuf *dmabuf, *next; | |
5618 | int rc = 0; | |
5619 | ||
5620 | ras_fwlog = &phba->ras_fwlog; | |
5621 | ||
5622 | rc = lpfc_check_fwlog_support(phba); | |
cb34990b | 5623 | if (rc) |
d2cc9bcd JS |
5624 | goto ras_job_error; |
5625 | ||
5626 | /* Logging to be stopped before reading */ | |
5627 | if (ras_fwlog->ras_active == true) { | |
5628 | rc = -EINPROGRESS; | |
5629 | goto ras_job_error; | |
5630 | } | |
5631 | ||
5632 | if (job->request_len < | |
5633 | sizeof(struct fc_bsg_request) + | |
5634 | sizeof(struct lpfc_bsg_get_fwlog_req)) { | |
5635 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
5636 | "6184 Received RAS_LOG request " | |
5637 | "below minimum size\n"); | |
5638 | rc = -EINVAL; | |
5639 | goto ras_job_error; | |
5640 | } | |
5641 | ||
5642 | ras_req = (struct lpfc_bsg_get_fwlog_req *) | |
5643 | bsg_request->rqst_data.h_vendor.vendor_cmd; | |
5644 | rd_offset = ras_req->read_offset; | |
5645 | ||
5646 | /* Allocate memory to read fw log*/ | |
5647 | fwlog_buff = vmalloc(ras_req->read_size); | |
5648 | if (!fwlog_buff) { | |
5649 | rc = -ENOMEM; | |
5650 | goto ras_job_error; | |
5651 | } | |
5652 | ||
5653 | rd_index = (rd_offset / LPFC_RAS_MAX_ENTRY_SIZE); | |
5654 | offset = (rd_offset % LPFC_RAS_MAX_ENTRY_SIZE); | |
d2cc9bcd JS |
5655 | |
5656 | list_for_each_entry_safe(dmabuf, next, | |
5657 | &ras_fwlog->fwlog_buff_list, list) { | |
5658 | ||
5659 | if (dmabuf->buffer_tag < rd_index) | |
5660 | continue; | |
5661 | ||
d2cc9bcd | 5662 | src = dmabuf->virt + offset; |
191e2f74 JS |
5663 | memcpy(fwlog_buff, src, ras_req->read_size); |
5664 | break; | |
d2cc9bcd JS |
5665 | } |
5666 | ||
5667 | bsg_reply->reply_payload_rcv_len = | |
5668 | sg_copy_from_buffer(job->reply_payload.sg_list, | |
5669 | job->reply_payload.sg_cnt, | |
5670 | fwlog_buff, ras_req->read_size); | |
5671 | ||
5672 | vfree(fwlog_buff); | |
5673 | ||
5674 | ras_job_error: | |
5675 | bsg_reply->result = rc; | |
5676 | bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); | |
5677 | ||
5678 | return rc; | |
5679 | } | |
5680 | ||
1dc5ec24 JS |
5681 | static int |
5682 | lpfc_get_trunk_info(struct bsg_job *job) | |
5683 | { | |
5684 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); | |
5685 | struct lpfc_hba *phba = vport->phba; | |
5686 | struct fc_bsg_reply *bsg_reply = job->reply; | |
5687 | struct lpfc_trunk_info *event_reply; | |
5688 | int rc = 0; | |
5689 | ||
5690 | if (job->request_len < | |
5691 | sizeof(struct fc_bsg_request) + sizeof(struct get_trunk_info_req)) { | |
5692 | lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, | |
5693 | "2744 Received GET TRUNK _INFO request below " | |
5694 | "minimum size\n"); | |
5695 | rc = -EINVAL; | |
5696 | goto job_error; | |
5697 | } | |
5698 | ||
5699 | event_reply = (struct lpfc_trunk_info *) | |
5700 | bsg_reply->reply_data.vendor_reply.vendor_rsp; | |
5701 | ||
5702 | if (job->reply_len < | |
5703 | sizeof(struct fc_bsg_request) + sizeof(struct lpfc_trunk_info)) { | |
5704 | lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, | |
5705 | "2728 Received GET TRUNK _INFO reply below " | |
5706 | "minimum size\n"); | |
5707 | rc = -EINVAL; | |
5708 | goto job_error; | |
5709 | } | |
5710 | if (event_reply == NULL) { | |
5711 | rc = -EINVAL; | |
5712 | goto job_error; | |
5713 | } | |
5714 | ||
5715 | bsg_bf_set(lpfc_trunk_info_link_status, event_reply, | |
5716 | (phba->link_state >= LPFC_LINK_UP) ? 1 : 0); | |
5717 | ||
5718 | bsg_bf_set(lpfc_trunk_info_trunk_active0, event_reply, | |
5719 | (phba->trunk_link.link0.state == LPFC_LINK_UP) ? 1 : 0); | |
5720 | ||
5721 | bsg_bf_set(lpfc_trunk_info_trunk_active1, event_reply, | |
5722 | (phba->trunk_link.link1.state == LPFC_LINK_UP) ? 1 : 0); | |
5723 | ||
5724 | bsg_bf_set(lpfc_trunk_info_trunk_active2, event_reply, | |
5725 | (phba->trunk_link.link2.state == LPFC_LINK_UP) ? 1 : 0); | |
5726 | ||
5727 | bsg_bf_set(lpfc_trunk_info_trunk_active3, event_reply, | |
5728 | (phba->trunk_link.link3.state == LPFC_LINK_UP) ? 1 : 0); | |
5729 | ||
5730 | bsg_bf_set(lpfc_trunk_info_trunk_config0, event_reply, | |
5731 | bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)); | |
5732 | ||
5733 | bsg_bf_set(lpfc_trunk_info_trunk_config1, event_reply, | |
5734 | bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)); | |
5735 | ||
5736 | bsg_bf_set(lpfc_trunk_info_trunk_config2, event_reply, | |
5737 | bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)); | |
5738 | ||
5739 | bsg_bf_set(lpfc_trunk_info_trunk_config3, event_reply, | |
5740 | bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)); | |
5741 | ||
5742 | event_reply->port_speed = phba->sli4_hba.link_state.speed / 1000; | |
5743 | event_reply->logical_speed = | |
b8e6f136 | 5744 | phba->sli4_hba.link_state.logical_speed / 1000; |
1dc5ec24 JS |
5745 | job_error: |
5746 | bsg_reply->result = rc; | |
5747 | bsg_job_done(job, bsg_reply->result, | |
5748 | bsg_reply->reply_payload_rcv_len); | |
5749 | return rc; | |
5750 | ||
5751 | } | |
d2cc9bcd | 5752 | |
3b5dd52a JS |
5753 | /** |
5754 | * lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job | |
5755 | * @job: fc_bsg_job to handle | |
5756 | **/ | |
5757 | static int | |
75cc8cfc | 5758 | lpfc_bsg_hst_vendor(struct bsg_job *job) |
3b5dd52a | 5759 | { |
01e0e15c JT |
5760 | struct fc_bsg_request *bsg_request = job->request; |
5761 | struct fc_bsg_reply *bsg_reply = job->reply; | |
5762 | int command = bsg_request->rqst_data.h_vendor.vendor_cmd[0]; | |
3b5dd52a JS |
5763 | int rc; |
5764 | ||
5765 | switch (command) { | |
5766 | case LPFC_BSG_VENDOR_SET_CT_EVENT: | |
5767 | rc = lpfc_bsg_hba_set_event(job); | |
5768 | break; | |
5769 | case LPFC_BSG_VENDOR_GET_CT_EVENT: | |
5770 | rc = lpfc_bsg_hba_get_event(job); | |
5771 | break; | |
5772 | case LPFC_BSG_VENDOR_SEND_MGMT_RESP: | |
5773 | rc = lpfc_bsg_send_mgmt_rsp(job); | |
5774 | break; | |
5775 | case LPFC_BSG_VENDOR_DIAG_MODE: | |
7ad20aa9 JS |
5776 | rc = lpfc_bsg_diag_loopback_mode(job); |
5777 | break; | |
5778 | case LPFC_BSG_VENDOR_DIAG_MODE_END: | |
5779 | rc = lpfc_sli4_bsg_diag_mode_end(job); | |
5780 | break; | |
5781 | case LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK: | |
5782 | rc = lpfc_bsg_diag_loopback_run(job); | |
3b5dd52a | 5783 | break; |
7ad20aa9 JS |
5784 | case LPFC_BSG_VENDOR_LINK_DIAG_TEST: |
5785 | rc = lpfc_sli4_bsg_link_diag_test(job); | |
3b5dd52a JS |
5786 | break; |
5787 | case LPFC_BSG_VENDOR_GET_MGMT_REV: | |
5788 | rc = lpfc_bsg_get_dfc_rev(job); | |
5789 | break; | |
5790 | case LPFC_BSG_VENDOR_MBOX: | |
5791 | rc = lpfc_bsg_mbox_cmd(job); | |
5792 | break; | |
e2aed29f JS |
5793 | case LPFC_BSG_VENDOR_MENLO_CMD: |
5794 | case LPFC_BSG_VENDOR_MENLO_DATA: | |
5795 | rc = lpfc_menlo_cmd(job); | |
5796 | break; | |
c691816e JS |
5797 | case LPFC_BSG_VENDOR_FORCED_LINK_SPEED: |
5798 | rc = lpfc_forced_link_speed(job); | |
5799 | break; | |
d2cc9bcd JS |
5800 | case LPFC_BSG_VENDOR_RAS_GET_LWPD: |
5801 | rc = lpfc_bsg_get_ras_lwpd(job); | |
5802 | break; | |
5803 | case LPFC_BSG_VENDOR_RAS_GET_FWLOG: | |
5804 | rc = lpfc_bsg_get_ras_fwlog(job); | |
5805 | break; | |
5806 | case LPFC_BSG_VENDOR_RAS_GET_CONFIG: | |
5807 | rc = lpfc_bsg_get_ras_config(job); | |
5808 | break; | |
5809 | case LPFC_BSG_VENDOR_RAS_SET_CONFIG: | |
5810 | rc = lpfc_bsg_set_ras_config(job); | |
5811 | break; | |
1dc5ec24 JS |
5812 | case LPFC_BSG_VENDOR_GET_TRUNK_INFO: |
5813 | rc = lpfc_get_trunk_info(job); | |
5814 | break; | |
3b5dd52a JS |
5815 | default: |
5816 | rc = -EINVAL; | |
01e0e15c | 5817 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a | 5818 | /* make error code available to userspace */ |
01e0e15c | 5819 | bsg_reply->result = rc; |
3b5dd52a JS |
5820 | break; |
5821 | } | |
5822 | ||
5823 | return rc; | |
5824 | } | |
5825 | ||
5826 | /** | |
5827 | * lpfc_bsg_request - handle a bsg request from the FC transport | |
d2cc9bcd | 5828 | * @job: bsg_job to handle |
3b5dd52a JS |
5829 | **/ |
5830 | int | |
75cc8cfc | 5831 | lpfc_bsg_request(struct bsg_job *job) |
3b5dd52a | 5832 | { |
01e0e15c JT |
5833 | struct fc_bsg_request *bsg_request = job->request; |
5834 | struct fc_bsg_reply *bsg_reply = job->reply; | |
3b5dd52a JS |
5835 | uint32_t msgcode; |
5836 | int rc; | |
5837 | ||
01e0e15c | 5838 | msgcode = bsg_request->msgcode; |
3b5dd52a JS |
5839 | switch (msgcode) { |
5840 | case FC_BSG_HST_VENDOR: | |
5841 | rc = lpfc_bsg_hst_vendor(job); | |
5842 | break; | |
5843 | case FC_BSG_RPT_ELS: | |
5844 | rc = lpfc_bsg_rport_els(job); | |
5845 | break; | |
5846 | case FC_BSG_RPT_CT: | |
5847 | rc = lpfc_bsg_send_mgmt_cmd(job); | |
5848 | break; | |
5849 | default: | |
5850 | rc = -EINVAL; | |
01e0e15c | 5851 | bsg_reply->reply_payload_rcv_len = 0; |
3b5dd52a | 5852 | /* make error code available to userspace */ |
01e0e15c | 5853 | bsg_reply->result = rc; |
3b5dd52a JS |
5854 | break; |
5855 | } | |
5856 | ||
5857 | return rc; | |
5858 | } | |
5859 | ||
5860 | /** | |
5861 | * lpfc_bsg_timeout - handle timeout of a bsg request from the FC transport | |
d2cc9bcd | 5862 | * @job: bsg_job that has timed out |
3b5dd52a JS |
5863 | * |
5864 | * This function just aborts the job's IOCB. The aborted IOCB will return to | |
5865 | * the waiting function which will handle passing the error back to userspace | |
5866 | **/ | |
5867 | int | |
75cc8cfc | 5868 | lpfc_bsg_timeout(struct bsg_job *job) |
3b5dd52a | 5869 | { |
cd21c605 | 5870 | struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); |
3b5dd52a JS |
5871 | struct lpfc_hba *phba = vport->phba; |
5872 | struct lpfc_iocbq *cmdiocb; | |
895427bd | 5873 | struct lpfc_sli_ring *pring; |
3b5dd52a JS |
5874 | struct bsg_job_data *dd_data; |
5875 | unsigned long flags; | |
a33c4f7b JS |
5876 | int rc = 0; |
5877 | LIST_HEAD(completions); | |
5878 | struct lpfc_iocbq *check_iocb, *next_iocb; | |
5879 | ||
895427bd | 5880 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
5881 | if (unlikely(!pring)) |
5882 | return -EIO; | |
895427bd | 5883 | |
a33c4f7b JS |
5884 | /* if job's driver data is NULL, the command completed or is in the |
5885 | * the process of completing. In this case, return status to request | |
5886 | * so the timeout is retried. This avoids double completion issues | |
5887 | * and the request will be pulled off the timer queue when the | |
5888 | * command's completion handler executes. Otherwise, prevent the | |
5889 | * command's completion handler from executing the job done callback | |
5890 | * and continue processing to abort the outstanding the command. | |
5891 | */ | |
3b5dd52a JS |
5892 | |
5893 | spin_lock_irqsave(&phba->ct_ev_lock, flags); | |
5894 | dd_data = (struct bsg_job_data *)job->dd_data; | |
a33c4f7b JS |
5895 | if (dd_data) { |
5896 | dd_data->set_job = NULL; | |
5897 | job->dd_data = NULL; | |
5898 | } else { | |
3b5dd52a | 5899 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
a33c4f7b | 5900 | return -EAGAIN; |
4cc0e56e JS |
5901 | } |
5902 | ||
5903 | switch (dd_data->type) { | |
5904 | case TYPE_IOCB: | |
a33c4f7b JS |
5905 | /* Check to see if IOCB was issued to the port or not. If not, |
5906 | * remove it from the txq queue and call cancel iocbs. | |
5907 | * Otherwise, call abort iotag | |
5908 | */ | |
a33c4f7b | 5909 | cmdiocb = dd_data->context_un.iocb.cmdiocbq; |
b5a9b2df JS |
5910 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
5911 | ||
5912 | spin_lock_irqsave(&phba->hbalock, flags); | |
5913 | /* make sure the I/O abort window is still open */ | |
1b8d11ab | 5914 | if (!(cmdiocb->iocb_flag & LPFC_IO_CMD_OUTSTANDING)) { |
b5a9b2df JS |
5915 | spin_unlock_irqrestore(&phba->hbalock, flags); |
5916 | return -EAGAIN; | |
5917 | } | |
a33c4f7b JS |
5918 | list_for_each_entry_safe(check_iocb, next_iocb, &pring->txq, |
5919 | list) { | |
5920 | if (check_iocb == cmdiocb) { | |
5921 | list_move_tail(&check_iocb->list, &completions); | |
5922 | break; | |
5923 | } | |
5924 | } | |
5925 | if (list_empty(&completions)) | |
5926 | lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb); | |
b5a9b2df | 5927 | spin_unlock_irqrestore(&phba->hbalock, flags); |
a33c4f7b JS |
5928 | if (!list_empty(&completions)) { |
5929 | lpfc_sli_cancel_iocbs(phba, &completions, | |
5930 | IOSTAT_LOCAL_REJECT, | |
5931 | IOERR_SLI_ABORTED); | |
5932 | } | |
4cc0e56e | 5933 | break; |
a33c4f7b | 5934 | |
4cc0e56e | 5935 | case TYPE_EVT: |
4cc0e56e | 5936 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
4cc0e56e | 5937 | break; |
a33c4f7b | 5938 | |
3b5dd52a | 5939 | case TYPE_MBOX: |
a33c4f7b JS |
5940 | /* Update the ext buf ctx state if needed */ |
5941 | ||
7ad20aa9 JS |
5942 | if (phba->mbox_ext_buf_ctx.state == LPFC_BSG_MBOX_PORT) |
5943 | phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_ABTS; | |
a33c4f7b | 5944 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
3b5dd52a | 5945 | break; |
e2aed29f | 5946 | case TYPE_MENLO: |
a33c4f7b JS |
5947 | /* Check to see if IOCB was issued to the port or not. If not, |
5948 | * remove it from the txq queue and call cancel iocbs. | |
5949 | * Otherwise, call abort iotag. | |
5950 | */ | |
a33c4f7b | 5951 | cmdiocb = dd_data->context_un.menlo.cmdiocbq; |
b5a9b2df JS |
5952 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); |
5953 | ||
5954 | spin_lock_irqsave(&phba->hbalock, flags); | |
a33c4f7b JS |
5955 | list_for_each_entry_safe(check_iocb, next_iocb, &pring->txq, |
5956 | list) { | |
5957 | if (check_iocb == cmdiocb) { | |
5958 | list_move_tail(&check_iocb->list, &completions); | |
5959 | break; | |
5960 | } | |
5961 | } | |
5962 | if (list_empty(&completions)) | |
5963 | lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb); | |
b5a9b2df | 5964 | spin_unlock_irqrestore(&phba->hbalock, flags); |
a33c4f7b JS |
5965 | if (!list_empty(&completions)) { |
5966 | lpfc_sli_cancel_iocbs(phba, &completions, | |
5967 | IOSTAT_LOCAL_REJECT, | |
5968 | IOERR_SLI_ABORTED); | |
5969 | } | |
e2aed29f | 5970 | break; |
4cc0e56e JS |
5971 | default: |
5972 | spin_unlock_irqrestore(&phba->ct_ev_lock, flags); | |
5973 | break; | |
5974 | } | |
f1c3b0fc | 5975 | |
4cc0e56e JS |
5976 | /* scsi transport fc fc_bsg_job_timeout expects a zero return code, |
5977 | * otherwise an error message will be displayed on the console | |
5978 | * so always return success (zero) | |
5979 | */ | |
a33c4f7b | 5980 | return rc; |
f1c3b0fc | 5981 | } |