Commit | Line | Data |
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6e98016c GM |
1 | /* |
2 | * QLogic Fibre Channel HBA Driver | |
3 | * Copyright (c) 2003-2008 QLogic Corporation | |
4 | * | |
5 | * See LICENSE.qla2xxx for copyright and licensing details. | |
6 | */ | |
7 | #include "qla_def.h" | |
8 | ||
9 | #include <linux/kthread.h> | |
10 | #include <linux/vmalloc.h> | |
11 | #include <linux/delay.h> | |
12 | ||
13 | /* BSG support for ELS/CT pass through */ | |
14 | inline srb_t * | |
15 | qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size) | |
16 | { | |
17 | srb_t *sp; | |
18 | struct qla_hw_data *ha = vha->hw; | |
19 | struct srb_bsg_ctx *ctx; | |
20 | ||
21 | sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL); | |
22 | if (!sp) | |
23 | goto done; | |
24 | ctx = kzalloc(size, GFP_KERNEL); | |
25 | if (!ctx) { | |
26 | mempool_free(sp, ha->srb_mempool); | |
27 | sp = NULL; | |
28 | goto done; | |
29 | } | |
30 | ||
31 | memset(sp, 0, sizeof(*sp)); | |
32 | sp->fcport = fcport; | |
33 | sp->ctx = ctx; | |
34 | done: | |
35 | return sp; | |
36 | } | |
37 | ||
09ff701a SR |
38 | int |
39 | qla24xx_fcp_prio_cfg_valid(struct qla_fcp_prio_cfg *pri_cfg, uint8_t flag) | |
40 | { | |
41 | int i, ret, num_valid; | |
42 | uint8_t *bcode; | |
43 | struct qla_fcp_prio_entry *pri_entry; | |
44 | ||
45 | ret = 1; | |
46 | num_valid = 0; | |
47 | bcode = (uint8_t *)pri_cfg; | |
48 | ||
49 | if (bcode[0x0] != 'H' || bcode[0x1] != 'Q' || bcode[0x2] != 'O' || | |
50 | bcode[0x3] != 'S') { | |
51 | return 0; | |
52 | } | |
53 | if (flag != 1) | |
54 | return ret; | |
55 | ||
56 | pri_entry = &pri_cfg->entry[0]; | |
57 | for (i = 0; i < pri_cfg->num_entries; i++) { | |
58 | if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) | |
59 | num_valid++; | |
60 | pri_entry++; | |
61 | } | |
62 | ||
63 | if (num_valid == 0) | |
64 | ret = 0; | |
65 | ||
66 | return ret; | |
67 | } | |
68 | ||
69 | static int | |
70 | qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job) | |
71 | { | |
72 | struct Scsi_Host *host = bsg_job->shost; | |
73 | scsi_qla_host_t *vha = shost_priv(host); | |
74 | struct qla_hw_data *ha = vha->hw; | |
75 | int ret = 0; | |
76 | uint32_t len; | |
77 | uint32_t oper; | |
78 | ||
79 | bsg_job->reply->reply_payload_rcv_len = 0; | |
80 | ||
81 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
82 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
83 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { | |
84 | ret = -EBUSY; | |
85 | goto exit_fcp_prio_cfg; | |
86 | } | |
87 | ||
88 | /* Get the sub command */ | |
89 | oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; | |
90 | ||
91 | /* Only set config is allowed if config memory is not allocated */ | |
92 | if (!ha->fcp_prio_cfg && (oper != QLFC_FCP_PRIO_SET_CONFIG)) { | |
93 | ret = -EINVAL; | |
94 | goto exit_fcp_prio_cfg; | |
95 | } | |
96 | switch (oper) { | |
97 | case QLFC_FCP_PRIO_DISABLE: | |
98 | if (ha->flags.fcp_prio_enabled) { | |
99 | ha->flags.fcp_prio_enabled = 0; | |
100 | ha->fcp_prio_cfg->attributes &= | |
101 | ~FCP_PRIO_ATTR_ENABLE; | |
102 | qla24xx_update_all_fcp_prio(vha); | |
103 | bsg_job->reply->result = DID_OK; | |
104 | } else { | |
105 | ret = -EINVAL; | |
106 | bsg_job->reply->result = (DID_ERROR << 16); | |
107 | goto exit_fcp_prio_cfg; | |
108 | } | |
109 | break; | |
110 | ||
111 | case QLFC_FCP_PRIO_ENABLE: | |
112 | if (!ha->flags.fcp_prio_enabled) { | |
113 | if (ha->fcp_prio_cfg) { | |
114 | ha->flags.fcp_prio_enabled = 1; | |
115 | ha->fcp_prio_cfg->attributes |= | |
116 | FCP_PRIO_ATTR_ENABLE; | |
117 | qla24xx_update_all_fcp_prio(vha); | |
118 | bsg_job->reply->result = DID_OK; | |
119 | } else { | |
120 | ret = -EINVAL; | |
121 | bsg_job->reply->result = (DID_ERROR << 16); | |
122 | goto exit_fcp_prio_cfg; | |
123 | } | |
124 | } | |
125 | break; | |
126 | ||
127 | case QLFC_FCP_PRIO_GET_CONFIG: | |
128 | len = bsg_job->reply_payload.payload_len; | |
129 | if (!len || len > FCP_PRIO_CFG_SIZE) { | |
130 | ret = -EINVAL; | |
131 | bsg_job->reply->result = (DID_ERROR << 16); | |
132 | goto exit_fcp_prio_cfg; | |
133 | } | |
134 | ||
135 | bsg_job->reply->result = DID_OK; | |
136 | bsg_job->reply->reply_payload_rcv_len = | |
137 | sg_copy_from_buffer( | |
138 | bsg_job->reply_payload.sg_list, | |
139 | bsg_job->reply_payload.sg_cnt, ha->fcp_prio_cfg, | |
140 | len); | |
141 | ||
142 | break; | |
143 | ||
144 | case QLFC_FCP_PRIO_SET_CONFIG: | |
145 | len = bsg_job->request_payload.payload_len; | |
146 | if (!len || len > FCP_PRIO_CFG_SIZE) { | |
147 | bsg_job->reply->result = (DID_ERROR << 16); | |
148 | ret = -EINVAL; | |
149 | goto exit_fcp_prio_cfg; | |
150 | } | |
151 | ||
152 | if (!ha->fcp_prio_cfg) { | |
153 | ha->fcp_prio_cfg = vmalloc(FCP_PRIO_CFG_SIZE); | |
154 | if (!ha->fcp_prio_cfg) { | |
155 | qla_printk(KERN_WARNING, ha, | |
156 | "Unable to allocate memory " | |
157 | "for fcp prio config data (%x).\n", | |
158 | FCP_PRIO_CFG_SIZE); | |
159 | bsg_job->reply->result = (DID_ERROR << 16); | |
160 | ret = -ENOMEM; | |
161 | goto exit_fcp_prio_cfg; | |
162 | } | |
163 | } | |
164 | ||
165 | memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE); | |
166 | sg_copy_to_buffer(bsg_job->request_payload.sg_list, | |
167 | bsg_job->request_payload.sg_cnt, ha->fcp_prio_cfg, | |
168 | FCP_PRIO_CFG_SIZE); | |
169 | ||
170 | /* validate fcp priority data */ | |
171 | if (!qla24xx_fcp_prio_cfg_valid( | |
172 | (struct qla_fcp_prio_cfg *) | |
173 | ha->fcp_prio_cfg, 1)) { | |
174 | bsg_job->reply->result = (DID_ERROR << 16); | |
175 | ret = -EINVAL; | |
176 | /* If buffer was invalidatic int | |
177 | * fcp_prio_cfg is of no use | |
178 | */ | |
179 | vfree(ha->fcp_prio_cfg); | |
180 | ha->fcp_prio_cfg = NULL; | |
181 | goto exit_fcp_prio_cfg; | |
182 | } | |
183 | ||
184 | ha->flags.fcp_prio_enabled = 0; | |
185 | if (ha->fcp_prio_cfg->attributes & FCP_PRIO_ATTR_ENABLE) | |
186 | ha->flags.fcp_prio_enabled = 1; | |
187 | qla24xx_update_all_fcp_prio(vha); | |
188 | bsg_job->reply->result = DID_OK; | |
189 | break; | |
190 | default: | |
191 | ret = -EINVAL; | |
192 | break; | |
193 | } | |
194 | exit_fcp_prio_cfg: | |
195 | bsg_job->job_done(bsg_job); | |
196 | return ret; | |
197 | } | |
6e98016c GM |
198 | static int |
199 | qla2x00_process_els(struct fc_bsg_job *bsg_job) | |
200 | { | |
201 | struct fc_rport *rport; | |
202 | fc_port_t *fcport; | |
203 | struct Scsi_Host *host; | |
204 | scsi_qla_host_t *vha; | |
205 | struct qla_hw_data *ha; | |
206 | srb_t *sp; | |
207 | const char *type; | |
208 | int req_sg_cnt, rsp_sg_cnt; | |
209 | int rval = (DRIVER_ERROR << 16); | |
210 | uint16_t nextlid = 0; | |
211 | struct srb_bsg *els; | |
212 | ||
213 | /* Multiple SG's are not supported for ELS requests */ | |
214 | if (bsg_job->request_payload.sg_cnt > 1 || | |
215 | bsg_job->reply_payload.sg_cnt > 1) { | |
216 | DEBUG2(printk(KERN_INFO | |
217 | "multiple SG's are not supported for ELS requests" | |
218 | " [request_sg_cnt: %x reply_sg_cnt: %x]\n", | |
219 | bsg_job->request_payload.sg_cnt, | |
220 | bsg_job->reply_payload.sg_cnt)); | |
221 | rval = -EPERM; | |
222 | goto done; | |
223 | } | |
224 | ||
225 | /* ELS request for rport */ | |
226 | if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) { | |
227 | rport = bsg_job->rport; | |
228 | fcport = *(fc_port_t **) rport->dd_data; | |
229 | host = rport_to_shost(rport); | |
230 | vha = shost_priv(host); | |
231 | ha = vha->hw; | |
232 | type = "FC_BSG_RPT_ELS"; | |
233 | ||
234 | /* make sure the rport is logged in, | |
235 | * if not perform fabric login | |
236 | */ | |
237 | if (qla2x00_fabric_login(vha, fcport, &nextlid)) { | |
238 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
239 | "failed to login port %06X for ELS passthru\n", | |
240 | fcport->d_id.b24)); | |
241 | rval = -EIO; | |
242 | goto done; | |
243 | } | |
244 | } else { | |
245 | host = bsg_job->shost; | |
246 | vha = shost_priv(host); | |
247 | ha = vha->hw; | |
248 | type = "FC_BSG_HST_ELS_NOLOGIN"; | |
249 | ||
250 | /* Allocate a dummy fcport structure, since functions | |
251 | * preparing the IOCB and mailbox command retrieves port | |
252 | * specific information from fcport structure. For Host based | |
253 | * ELS commands there will be no fcport structure allocated | |
254 | */ | |
255 | fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); | |
256 | if (!fcport) { | |
257 | rval = -ENOMEM; | |
258 | goto done; | |
259 | } | |
260 | ||
261 | /* Initialize all required fields of fcport */ | |
262 | fcport->vha = vha; | |
263 | fcport->vp_idx = vha->vp_idx; | |
264 | fcport->d_id.b.al_pa = | |
265 | bsg_job->request->rqst_data.h_els.port_id[0]; | |
266 | fcport->d_id.b.area = | |
267 | bsg_job->request->rqst_data.h_els.port_id[1]; | |
268 | fcport->d_id.b.domain = | |
269 | bsg_job->request->rqst_data.h_els.port_id[2]; | |
270 | fcport->loop_id = | |
271 | (fcport->d_id.b.al_pa == 0xFD) ? | |
272 | NPH_FABRIC_CONTROLLER : NPH_F_PORT; | |
273 | } | |
274 | ||
275 | if (!vha->flags.online) { | |
276 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
6c452a45 | 277 | "host not online\n")); |
6e98016c GM |
278 | rval = -EIO; |
279 | goto done; | |
280 | } | |
281 | ||
282 | req_sg_cnt = | |
283 | dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
284 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
285 | if (!req_sg_cnt) { | |
286 | rval = -ENOMEM; | |
287 | goto done_free_fcport; | |
288 | } | |
6c452a45 AV |
289 | |
290 | rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
291 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
6e98016c GM |
292 | if (!rsp_sg_cnt) { |
293 | rval = -ENOMEM; | |
294 | goto done_free_fcport; | |
295 | } | |
296 | ||
297 | if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) || | |
6c452a45 | 298 | (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) { |
6e98016c GM |
299 | DEBUG2(printk(KERN_INFO |
300 | "dma mapping resulted in different sg counts \ | |
301 | [request_sg_cnt: %x dma_request_sg_cnt: %x\ | |
302 | reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n", | |
303 | bsg_job->request_payload.sg_cnt, req_sg_cnt, | |
304 | bsg_job->reply_payload.sg_cnt, rsp_sg_cnt)); | |
305 | rval = -EAGAIN; | |
306 | goto done_unmap_sg; | |
307 | } | |
308 | ||
309 | /* Alloc SRB structure */ | |
310 | sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg)); | |
311 | if (!sp) { | |
312 | rval = -ENOMEM; | |
6c452a45 | 313 | goto done_unmap_sg; |
6e98016c GM |
314 | } |
315 | ||
316 | els = sp->ctx; | |
317 | els->ctx.type = | |
318 | (bsg_job->request->msgcode == FC_BSG_RPT_ELS ? | |
319 | SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST); | |
320 | els->bsg_job = bsg_job; | |
321 | ||
322 | DEBUG2(qla_printk(KERN_INFO, ha, | |
323 | "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x " | |
324 | "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type, | |
325 | bsg_job->request->rqst_data.h_els.command_code, | |
326 | fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, | |
327 | fcport->d_id.b.al_pa)); | |
328 | ||
329 | rval = qla2x00_start_sp(sp); | |
330 | if (rval != QLA_SUCCESS) { | |
331 | kfree(sp->ctx); | |
332 | mempool_free(sp, ha->srb_mempool); | |
333 | rval = -EIO; | |
334 | goto done_unmap_sg; | |
335 | } | |
336 | return rval; | |
337 | ||
338 | done_unmap_sg: | |
339 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
340 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
341 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
342 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
343 | goto done_free_fcport; | |
344 | ||
345 | done_free_fcport: | |
346 | if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN) | |
347 | kfree(fcport); | |
348 | done: | |
349 | return rval; | |
350 | } | |
351 | ||
352 | static int | |
353 | qla2x00_process_ct(struct fc_bsg_job *bsg_job) | |
354 | { | |
355 | srb_t *sp; | |
356 | struct Scsi_Host *host = bsg_job->shost; | |
357 | scsi_qla_host_t *vha = shost_priv(host); | |
358 | struct qla_hw_data *ha = vha->hw; | |
359 | int rval = (DRIVER_ERROR << 16); | |
360 | int req_sg_cnt, rsp_sg_cnt; | |
361 | uint16_t loop_id; | |
362 | struct fc_port *fcport; | |
363 | char *type = "FC_BSG_HST_CT"; | |
364 | struct srb_bsg *ct; | |
365 | ||
366 | /* pass through is supported only for ISP 4Gb or higher */ | |
6c452a45 | 367 | if (!IS_FWI2_CAPABLE(ha)) { |
6e98016c | 368 | DEBUG2(qla_printk(KERN_INFO, ha, |
6c452a45 AV |
369 | "scsi(%ld):Firmware is not capable to support FC " |
370 | "CT pass thru\n", vha->host_no)); | |
6e98016c GM |
371 | rval = -EPERM; |
372 | goto done; | |
373 | } | |
374 | ||
375 | req_sg_cnt = | |
376 | dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
377 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
6c452a45 | 378 | if (!req_sg_cnt) { |
6e98016c GM |
379 | rval = -ENOMEM; |
380 | goto done; | |
381 | } | |
382 | ||
383 | rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
384 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
385 | if (!rsp_sg_cnt) { | |
386 | rval = -ENOMEM; | |
387 | goto done; | |
388 | } | |
389 | ||
390 | if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) || | |
6c452a45 | 391 | (rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) { |
6e98016c | 392 | DEBUG2(qla_printk(KERN_WARNING, ha, |
6c452a45 AV |
393 | "[request_sg_cnt: %x dma_request_sg_cnt: %x\ |
394 | reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n", | |
395 | bsg_job->request_payload.sg_cnt, req_sg_cnt, | |
396 | bsg_job->reply_payload.sg_cnt, rsp_sg_cnt)); | |
6e98016c | 397 | rval = -EAGAIN; |
6c452a45 | 398 | goto done_unmap_sg; |
6e98016c GM |
399 | } |
400 | ||
401 | if (!vha->flags.online) { | |
402 | DEBUG2(qla_printk(KERN_WARNING, ha, | |
403 | "host not online\n")); | |
404 | rval = -EIO; | |
405 | goto done_unmap_sg; | |
406 | } | |
407 | ||
408 | loop_id = | |
409 | (bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000) | |
410 | >> 24; | |
411 | switch (loop_id) { | |
6c452a45 AV |
412 | case 0xFC: |
413 | loop_id = cpu_to_le16(NPH_SNS); | |
414 | break; | |
415 | case 0xFA: | |
416 | loop_id = vha->mgmt_svr_loop_id; | |
417 | break; | |
418 | default: | |
419 | DEBUG2(qla_printk(KERN_INFO, ha, | |
420 | "Unknown loop id: %x\n", loop_id)); | |
421 | rval = -EINVAL; | |
422 | goto done_unmap_sg; | |
6e98016c GM |
423 | } |
424 | ||
425 | /* Allocate a dummy fcport structure, since functions preparing the | |
426 | * IOCB and mailbox command retrieves port specific information | |
427 | * from fcport structure. For Host based ELS commands there will be | |
428 | * no fcport structure allocated | |
429 | */ | |
430 | fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); | |
6c452a45 | 431 | if (!fcport) { |
6e98016c | 432 | rval = -ENOMEM; |
6c452a45 | 433 | goto done_unmap_sg; |
6e98016c GM |
434 | } |
435 | ||
436 | /* Initialize all required fields of fcport */ | |
437 | fcport->vha = vha; | |
438 | fcport->vp_idx = vha->vp_idx; | |
439 | fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0]; | |
440 | fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1]; | |
441 | fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2]; | |
442 | fcport->loop_id = loop_id; | |
443 | ||
444 | /* Alloc SRB structure */ | |
445 | sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg)); | |
446 | if (!sp) { | |
447 | rval = -ENOMEM; | |
448 | goto done_free_fcport; | |
449 | } | |
450 | ||
451 | ct = sp->ctx; | |
452 | ct->ctx.type = SRB_CT_CMD; | |
453 | ct->bsg_job = bsg_job; | |
454 | ||
455 | DEBUG2(qla_printk(KERN_INFO, ha, | |
456 | "scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x " | |
457 | "portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type, | |
458 | (bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16), | |
459 | fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, | |
460 | fcport->d_id.b.al_pa)); | |
461 | ||
462 | rval = qla2x00_start_sp(sp); | |
463 | if (rval != QLA_SUCCESS) { | |
464 | kfree(sp->ctx); | |
465 | mempool_free(sp, ha->srb_mempool); | |
466 | rval = -EIO; | |
467 | goto done_free_fcport; | |
468 | } | |
469 | return rval; | |
470 | ||
471 | done_free_fcport: | |
472 | kfree(fcport); | |
473 | done_unmap_sg: | |
474 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
475 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
476 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
477 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
478 | done: | |
479 | return rval; | |
480 | } | |
481 | ||
482 | static int | |
483 | qla2x00_process_loopback(struct fc_bsg_job *bsg_job) | |
484 | { | |
485 | struct Scsi_Host *host = bsg_job->shost; | |
486 | scsi_qla_host_t *vha = shost_priv(host); | |
487 | struct qla_hw_data *ha = vha->hw; | |
488 | int rval; | |
489 | uint8_t command_sent; | |
490 | char *type; | |
491 | struct msg_echo_lb elreq; | |
492 | uint16_t response[MAILBOX_REGISTER_COUNT]; | |
6c452a45 | 493 | uint8_t *fw_sts_ptr; |
6e98016c GM |
494 | uint8_t *req_data = NULL; |
495 | dma_addr_t req_data_dma; | |
496 | uint32_t req_data_len; | |
497 | uint8_t *rsp_data = NULL; | |
498 | dma_addr_t rsp_data_dma; | |
499 | uint32_t rsp_data_len; | |
500 | ||
501 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
502 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
503 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) | |
504 | return -EBUSY; | |
505 | ||
506 | if (!vha->flags.online) { | |
507 | DEBUG2(qla_printk(KERN_WARNING, ha, "host not online\n")); | |
508 | return -EIO; | |
509 | } | |
510 | ||
511 | elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev, | |
512 | bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, | |
513 | DMA_TO_DEVICE); | |
514 | ||
515 | if (!elreq.req_sg_cnt) | |
516 | return -ENOMEM; | |
517 | ||
518 | elreq.rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, | |
519 | bsg_job->reply_payload.sg_list, bsg_job->reply_payload.sg_cnt, | |
520 | DMA_FROM_DEVICE); | |
521 | ||
522 | if (!elreq.rsp_sg_cnt) { | |
523 | rval = -ENOMEM; | |
524 | goto done_unmap_req_sg; | |
6c452a45 | 525 | } |
6e98016c GM |
526 | |
527 | if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) || | |
528 | (elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt)) { | |
529 | DEBUG2(printk(KERN_INFO | |
530 | "dma mapping resulted in different sg counts " | |
531 | "[request_sg_cnt: %x dma_request_sg_cnt: %x " | |
532 | "reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n", | |
533 | bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt, | |
534 | bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt)); | |
535 | rval = -EAGAIN; | |
536 | goto done_unmap_sg; | |
537 | } | |
538 | req_data_len = rsp_data_len = bsg_job->request_payload.payload_len; | |
539 | req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len, | |
540 | &req_data_dma, GFP_KERNEL); | |
541 | if (!req_data) { | |
542 | DEBUG2(printk(KERN_ERR "%s: dma alloc for req_data " | |
543 | "failed for host=%lu\n", __func__, vha->host_no)); | |
544 | rval = -ENOMEM; | |
545 | goto done_unmap_sg; | |
546 | } | |
547 | ||
548 | rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len, | |
549 | &rsp_data_dma, GFP_KERNEL); | |
550 | if (!rsp_data) { | |
551 | DEBUG2(printk(KERN_ERR "%s: dma alloc for rsp_data " | |
552 | "failed for host=%lu\n", __func__, vha->host_no)); | |
553 | rval = -ENOMEM; | |
554 | goto done_free_dma_req; | |
555 | } | |
556 | ||
557 | /* Copy the request buffer in req_data now */ | |
558 | sg_copy_to_buffer(bsg_job->request_payload.sg_list, | |
559 | bsg_job->request_payload.sg_cnt, req_data, req_data_len); | |
560 | ||
561 | elreq.send_dma = req_data_dma; | |
562 | elreq.rcv_dma = rsp_data_dma; | |
563 | elreq.transfer_size = req_data_len; | |
564 | ||
565 | elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; | |
566 | ||
567 | if (ha->current_topology != ISP_CFG_F) { | |
568 | type = "FC_BSG_HST_VENDOR_LOOPBACK"; | |
569 | DEBUG2(qla_printk(KERN_INFO, ha, | |
570 | "scsi(%ld) bsg rqst type: %s\n", | |
571 | vha->host_no, type)); | |
572 | ||
573 | command_sent = INT_DEF_LB_LOOPBACK_CMD; | |
574 | rval = qla2x00_loopback_test(vha, &elreq, response); | |
575 | if (IS_QLA81XX(ha)) { | |
576 | if (response[0] == MBS_COMMAND_ERROR && | |
577 | response[1] == MBS_LB_RESET) { | |
578 | DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing " | |
579 | "ISP\n", __func__, vha->host_no)); | |
580 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); | |
581 | qla2xxx_wake_dpc(vha); | |
582 | } | |
583 | } | |
584 | } else { | |
585 | type = "FC_BSG_HST_VENDOR_ECHO_DIAG"; | |
586 | DEBUG2(qla_printk(KERN_INFO, ha, | |
6c452a45 | 587 | "scsi(%ld) bsg rqst type: %s\n", vha->host_no, type)); |
6e98016c GM |
588 | command_sent = INT_DEF_LB_ECHO_CMD; |
589 | rval = qla2x00_echo_test(vha, &elreq, response); | |
590 | } | |
591 | ||
592 | if (rval) { | |
593 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
6c452a45 | 594 | "request %s failed\n", vha->host_no, type)); |
6e98016c GM |
595 | |
596 | fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) + | |
6c452a45 | 597 | sizeof(struct fc_bsg_reply); |
6e98016c GM |
598 | |
599 | memcpy(fw_sts_ptr, response, sizeof(response)); | |
600 | fw_sts_ptr += sizeof(response); | |
6c452a45 | 601 | *fw_sts_ptr = command_sent; |
6e98016c GM |
602 | rval = 0; |
603 | bsg_job->reply->reply_payload_rcv_len = 0; | |
604 | bsg_job->reply->result = (DID_ERROR << 16); | |
605 | } else { | |
606 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
607 | "request %s completed\n", vha->host_no, type)); | |
608 | ||
609 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + | |
610 | sizeof(response) + sizeof(uint8_t); | |
611 | bsg_job->reply->reply_payload_rcv_len = | |
612 | bsg_job->reply_payload.payload_len; | |
613 | fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) + | |
614 | sizeof(struct fc_bsg_reply); | |
615 | memcpy(fw_sts_ptr, response, sizeof(response)); | |
616 | fw_sts_ptr += sizeof(response); | |
617 | *fw_sts_ptr = command_sent; | |
618 | bsg_job->reply->result = DID_OK; | |
619 | sg_copy_from_buffer(bsg_job->reply_payload.sg_list, | |
620 | bsg_job->reply_payload.sg_cnt, rsp_data, | |
621 | rsp_data_len); | |
622 | } | |
623 | bsg_job->job_done(bsg_job); | |
624 | ||
625 | dma_free_coherent(&ha->pdev->dev, rsp_data_len, | |
626 | rsp_data, rsp_data_dma); | |
627 | done_free_dma_req: | |
628 | dma_free_coherent(&ha->pdev->dev, req_data_len, | |
629 | req_data, req_data_dma); | |
630 | done_unmap_sg: | |
631 | dma_unmap_sg(&ha->pdev->dev, | |
632 | bsg_job->reply_payload.sg_list, | |
633 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
634 | done_unmap_req_sg: | |
635 | dma_unmap_sg(&ha->pdev->dev, | |
636 | bsg_job->request_payload.sg_list, | |
637 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
6c452a45 | 638 | return rval; |
6e98016c GM |
639 | } |
640 | ||
641 | static int | |
642 | qla84xx_reset(struct fc_bsg_job *bsg_job) | |
643 | { | |
644 | struct Scsi_Host *host = bsg_job->shost; | |
645 | scsi_qla_host_t *vha = shost_priv(host); | |
646 | struct qla_hw_data *ha = vha->hw; | |
647 | int rval = 0; | |
648 | uint32_t flag; | |
649 | ||
650 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
651 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
652 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) | |
653 | return -EBUSY; | |
654 | ||
655 | if (!IS_QLA84XX(ha)) { | |
656 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, " | |
657 | "exiting.\n", vha->host_no)); | |
658 | return -EINVAL; | |
659 | } | |
660 | ||
661 | flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; | |
662 | ||
663 | rval = qla84xx_reset_chip(vha, flag == A84_ISSUE_RESET_DIAG_FW); | |
664 | ||
665 | if (rval) { | |
666 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
667 | "request 84xx reset failed\n", vha->host_no)); | |
668 | rval = bsg_job->reply->reply_payload_rcv_len = 0; | |
669 | bsg_job->reply->result = (DID_ERROR << 16); | |
670 | ||
671 | } else { | |
672 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
673 | "request 84xx reset completed\n", vha->host_no)); | |
674 | bsg_job->reply->result = DID_OK; | |
675 | } | |
676 | ||
677 | bsg_job->job_done(bsg_job); | |
678 | return rval; | |
679 | } | |
680 | ||
681 | static int | |
682 | qla84xx_updatefw(struct fc_bsg_job *bsg_job) | |
683 | { | |
684 | struct Scsi_Host *host = bsg_job->shost; | |
685 | scsi_qla_host_t *vha = shost_priv(host); | |
686 | struct qla_hw_data *ha = vha->hw; | |
687 | struct verify_chip_entry_84xx *mn = NULL; | |
688 | dma_addr_t mn_dma, fw_dma; | |
689 | void *fw_buf = NULL; | |
690 | int rval = 0; | |
691 | uint32_t sg_cnt; | |
692 | uint32_t data_len; | |
693 | uint16_t options; | |
694 | uint32_t flag; | |
695 | uint32_t fw_ver; | |
696 | ||
697 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
698 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
699 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) | |
700 | return -EBUSY; | |
701 | ||
702 | if (!IS_QLA84XX(ha)) { | |
703 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, " | |
704 | "exiting.\n", vha->host_no)); | |
705 | return -EINVAL; | |
706 | } | |
707 | ||
708 | sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
709 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
710 | if (!sg_cnt) | |
711 | return -ENOMEM; | |
712 | ||
713 | if (sg_cnt != bsg_job->request_payload.sg_cnt) { | |
714 | DEBUG2(printk(KERN_INFO | |
715 | "dma mapping resulted in different sg counts " | |
716 | "request_sg_cnt: %x dma_request_sg_cnt: %x ", | |
717 | bsg_job->request_payload.sg_cnt, sg_cnt)); | |
718 | rval = -EAGAIN; | |
719 | goto done_unmap_sg; | |
720 | } | |
721 | ||
722 | data_len = bsg_job->request_payload.payload_len; | |
723 | fw_buf = dma_alloc_coherent(&ha->pdev->dev, data_len, | |
724 | &fw_dma, GFP_KERNEL); | |
725 | if (!fw_buf) { | |
726 | DEBUG2(printk(KERN_ERR "%s: dma alloc for fw_buf " | |
727 | "failed for host=%lu\n", __func__, vha->host_no)); | |
728 | rval = -ENOMEM; | |
729 | goto done_unmap_sg; | |
730 | } | |
731 | ||
732 | sg_copy_to_buffer(bsg_job->request_payload.sg_list, | |
733 | bsg_job->request_payload.sg_cnt, fw_buf, data_len); | |
734 | ||
735 | mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma); | |
736 | if (!mn) { | |
737 | DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer " | |
738 | "failed for host=%lu\n", __func__, vha->host_no)); | |
739 | rval = -ENOMEM; | |
740 | goto done_free_fw_buf; | |
741 | } | |
742 | ||
743 | flag = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; | |
744 | fw_ver = le32_to_cpu(*((uint32_t *)((uint32_t *)fw_buf + 2))); | |
745 | ||
746 | memset(mn, 0, sizeof(struct access_chip_84xx)); | |
747 | mn->entry_type = VERIFY_CHIP_IOCB_TYPE; | |
748 | mn->entry_count = 1; | |
749 | ||
750 | options = VCO_FORCE_UPDATE | VCO_END_OF_DATA; | |
751 | if (flag == A84_ISSUE_UPDATE_DIAGFW_CMD) | |
752 | options |= VCO_DIAG_FW; | |
753 | ||
754 | mn->options = cpu_to_le16(options); | |
755 | mn->fw_ver = cpu_to_le32(fw_ver); | |
756 | mn->fw_size = cpu_to_le32(data_len); | |
757 | mn->fw_seq_size = cpu_to_le32(data_len); | |
758 | mn->dseg_address[0] = cpu_to_le32(LSD(fw_dma)); | |
759 | mn->dseg_address[1] = cpu_to_le32(MSD(fw_dma)); | |
760 | mn->dseg_length = cpu_to_le32(data_len); | |
761 | mn->data_seg_cnt = cpu_to_le16(1); | |
762 | ||
763 | rval = qla2x00_issue_iocb_timeout(vha, mn, mn_dma, 0, 120); | |
764 | ||
765 | if (rval) { | |
766 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
767 | "request 84xx updatefw failed\n", vha->host_no)); | |
768 | ||
769 | rval = bsg_job->reply->reply_payload_rcv_len = 0; | |
770 | bsg_job->reply->result = (DID_ERROR << 16); | |
771 | ||
772 | } else { | |
773 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
774 | "request 84xx updatefw completed\n", vha->host_no)); | |
775 | ||
776 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
777 | bsg_job->reply->result = DID_OK; | |
778 | } | |
779 | ||
780 | bsg_job->job_done(bsg_job); | |
781 | dma_pool_free(ha->s_dma_pool, mn, mn_dma); | |
782 | ||
783 | done_free_fw_buf: | |
784 | dma_free_coherent(&ha->pdev->dev, data_len, fw_buf, fw_dma); | |
785 | ||
786 | done_unmap_sg: | |
787 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
788 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
789 | ||
790 | return rval; | |
791 | } | |
792 | ||
793 | static int | |
794 | qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job) | |
795 | { | |
796 | struct Scsi_Host *host = bsg_job->shost; | |
797 | scsi_qla_host_t *vha = shost_priv(host); | |
798 | struct qla_hw_data *ha = vha->hw; | |
799 | struct access_chip_84xx *mn = NULL; | |
800 | dma_addr_t mn_dma, mgmt_dma; | |
801 | void *mgmt_b = NULL; | |
802 | int rval = 0; | |
803 | struct qla_bsg_a84_mgmt *ql84_mgmt; | |
804 | uint32_t sg_cnt; | |
d5459083 | 805 | uint32_t data_len = 0; |
6e98016c GM |
806 | uint32_t dma_direction = DMA_NONE; |
807 | ||
808 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
809 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
810 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) | |
811 | return -EBUSY; | |
812 | ||
813 | if (!IS_QLA84XX(ha)) { | |
814 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld): Not 84xx, " | |
815 | "exiting.\n", vha->host_no)); | |
816 | return -EINVAL; | |
817 | } | |
818 | ||
819 | ql84_mgmt = (struct qla_bsg_a84_mgmt *)((char *)bsg_job->request + | |
820 | sizeof(struct fc_bsg_request)); | |
821 | if (!ql84_mgmt) { | |
822 | DEBUG2(printk("%s(%ld): mgmt header not provided, exiting.\n", | |
823 | __func__, vha->host_no)); | |
824 | return -EINVAL; | |
825 | } | |
826 | ||
827 | mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma); | |
828 | if (!mn) { | |
829 | DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer " | |
830 | "failed for host=%lu\n", __func__, vha->host_no)); | |
831 | return -ENOMEM; | |
832 | } | |
833 | ||
834 | memset(mn, 0, sizeof(struct access_chip_84xx)); | |
835 | mn->entry_type = ACCESS_CHIP_IOCB_TYPE; | |
836 | mn->entry_count = 1; | |
837 | ||
838 | switch (ql84_mgmt->mgmt.cmd) { | |
839 | case QLA84_MGMT_READ_MEM: | |
840 | case QLA84_MGMT_GET_INFO: | |
841 | sg_cnt = dma_map_sg(&ha->pdev->dev, | |
842 | bsg_job->reply_payload.sg_list, | |
843 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
844 | if (!sg_cnt) { | |
845 | rval = -ENOMEM; | |
846 | goto exit_mgmt; | |
847 | } | |
848 | ||
849 | dma_direction = DMA_FROM_DEVICE; | |
850 | ||
851 | if (sg_cnt != bsg_job->reply_payload.sg_cnt) { | |
852 | DEBUG2(printk(KERN_INFO | |
853 | "dma mapping resulted in different sg counts " | |
854 | "reply_sg_cnt: %x dma_reply_sg_cnt: %x\n", | |
855 | bsg_job->reply_payload.sg_cnt, sg_cnt)); | |
856 | rval = -EAGAIN; | |
857 | goto done_unmap_sg; | |
858 | } | |
859 | ||
860 | data_len = bsg_job->reply_payload.payload_len; | |
861 | ||
862 | mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len, | |
863 | &mgmt_dma, GFP_KERNEL); | |
864 | if (!mgmt_b) { | |
865 | DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b " | |
866 | "failed for host=%lu\n", | |
867 | __func__, vha->host_no)); | |
868 | rval = -ENOMEM; | |
869 | goto done_unmap_sg; | |
870 | } | |
871 | ||
872 | if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) { | |
873 | mn->options = cpu_to_le16(ACO_DUMP_MEMORY); | |
874 | mn->parameter1 = | |
875 | cpu_to_le32( | |
876 | ql84_mgmt->mgmt.mgmtp.u.mem.start_addr); | |
877 | ||
878 | } else if (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO) { | |
879 | mn->options = cpu_to_le16(ACO_REQUEST_INFO); | |
880 | mn->parameter1 = | |
881 | cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.info.type); | |
882 | ||
883 | mn->parameter2 = | |
884 | cpu_to_le32( | |
885 | ql84_mgmt->mgmt.mgmtp.u.info.context); | |
886 | } | |
887 | break; | |
888 | ||
889 | case QLA84_MGMT_WRITE_MEM: | |
890 | sg_cnt = dma_map_sg(&ha->pdev->dev, | |
891 | bsg_job->request_payload.sg_list, | |
892 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
893 | ||
894 | if (!sg_cnt) { | |
895 | rval = -ENOMEM; | |
896 | goto exit_mgmt; | |
897 | } | |
898 | ||
899 | dma_direction = DMA_TO_DEVICE; | |
900 | ||
901 | if (sg_cnt != bsg_job->request_payload.sg_cnt) { | |
902 | DEBUG2(printk(KERN_INFO | |
903 | "dma mapping resulted in different sg counts " | |
904 | "request_sg_cnt: %x dma_request_sg_cnt: %x ", | |
905 | bsg_job->request_payload.sg_cnt, sg_cnt)); | |
906 | rval = -EAGAIN; | |
907 | goto done_unmap_sg; | |
908 | } | |
909 | ||
910 | data_len = bsg_job->request_payload.payload_len; | |
911 | mgmt_b = dma_alloc_coherent(&ha->pdev->dev, data_len, | |
912 | &mgmt_dma, GFP_KERNEL); | |
913 | if (!mgmt_b) { | |
914 | DEBUG2(printk(KERN_ERR "%s: dma alloc for mgmt_b " | |
915 | "failed for host=%lu\n", | |
916 | __func__, vha->host_no)); | |
917 | rval = -ENOMEM; | |
918 | goto done_unmap_sg; | |
919 | } | |
920 | ||
921 | sg_copy_to_buffer(bsg_job->request_payload.sg_list, | |
922 | bsg_job->request_payload.sg_cnt, mgmt_b, data_len); | |
923 | ||
924 | mn->options = cpu_to_le16(ACO_LOAD_MEMORY); | |
925 | mn->parameter1 = | |
926 | cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.mem.start_addr); | |
927 | break; | |
928 | ||
929 | case QLA84_MGMT_CHNG_CONFIG: | |
930 | mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM); | |
931 | mn->parameter1 = | |
932 | cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.id); | |
933 | ||
934 | mn->parameter2 = | |
935 | cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param0); | |
936 | ||
937 | mn->parameter3 = | |
938 | cpu_to_le32(ql84_mgmt->mgmt.mgmtp.u.config.param1); | |
939 | break; | |
940 | ||
941 | default: | |
942 | rval = -EIO; | |
943 | goto exit_mgmt; | |
944 | } | |
945 | ||
946 | if (ql84_mgmt->mgmt.cmd != QLA84_MGMT_CHNG_CONFIG) { | |
947 | mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->mgmt.len); | |
948 | mn->dseg_count = cpu_to_le16(1); | |
949 | mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma)); | |
950 | mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma)); | |
951 | mn->dseg_length = cpu_to_le32(ql84_mgmt->mgmt.len); | |
952 | } | |
953 | ||
954 | rval = qla2x00_issue_iocb(vha, mn, mn_dma, 0); | |
955 | ||
956 | if (rval) { | |
957 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
958 | "request 84xx mgmt failed\n", vha->host_no)); | |
959 | ||
960 | rval = bsg_job->reply->reply_payload_rcv_len = 0; | |
961 | bsg_job->reply->result = (DID_ERROR << 16); | |
962 | ||
963 | } else { | |
964 | DEBUG2(qla_printk(KERN_WARNING, ha, "scsi(%ld) Vendor " | |
965 | "request 84xx mgmt completed\n", vha->host_no)); | |
966 | ||
967 | bsg_job->reply_len = sizeof(struct fc_bsg_reply); | |
968 | bsg_job->reply->result = DID_OK; | |
969 | ||
970 | if ((ql84_mgmt->mgmt.cmd == QLA84_MGMT_READ_MEM) || | |
971 | (ql84_mgmt->mgmt.cmd == QLA84_MGMT_GET_INFO)) { | |
972 | bsg_job->reply->reply_payload_rcv_len = | |
973 | bsg_job->reply_payload.payload_len; | |
974 | ||
975 | sg_copy_from_buffer(bsg_job->reply_payload.sg_list, | |
6c452a45 AV |
976 | bsg_job->reply_payload.sg_cnt, mgmt_b, |
977 | data_len); | |
6e98016c GM |
978 | } |
979 | } | |
980 | ||
981 | bsg_job->job_done(bsg_job); | |
6e98016c GM |
982 | |
983 | done_unmap_sg: | |
d5459083 HZ |
984 | if (mgmt_b) |
985 | dma_free_coherent(&ha->pdev->dev, data_len, mgmt_b, mgmt_dma); | |
986 | ||
6e98016c GM |
987 | if (dma_direction == DMA_TO_DEVICE) |
988 | dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, | |
989 | bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); | |
990 | else if (dma_direction == DMA_FROM_DEVICE) | |
991 | dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, | |
992 | bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); | |
993 | ||
994 | exit_mgmt: | |
995 | dma_pool_free(ha->s_dma_pool, mn, mn_dma); | |
996 | ||
997 | return rval; | |
998 | } | |
999 | ||
1000 | static int | |
1001 | qla24xx_iidma(struct fc_bsg_job *bsg_job) | |
1002 | { | |
1003 | struct Scsi_Host *host = bsg_job->shost; | |
1004 | scsi_qla_host_t *vha = shost_priv(host); | |
1005 | struct qla_hw_data *ha = vha->hw; | |
1006 | int rval = 0; | |
1007 | struct qla_port_param *port_param = NULL; | |
1008 | fc_port_t *fcport = NULL; | |
1009 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1010 | uint8_t *rsp_ptr = NULL; | |
1011 | ||
1012 | bsg_job->reply->reply_payload_rcv_len = 0; | |
1013 | ||
1014 | if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || | |
1015 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || | |
1016 | test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) | |
1017 | return -EBUSY; | |
1018 | ||
1019 | if (!IS_IIDMA_CAPABLE(vha->hw)) { | |
1020 | DEBUG2(qla_printk(KERN_WARNING, ha, "%s(%lu): iiDMA not " | |
1021 | "supported\n", __func__, vha->host_no)); | |
1022 | return -EINVAL; | |
1023 | } | |
1024 | ||
1025 | port_param = (struct qla_port_param *)((char *)bsg_job->request + | |
1026 | sizeof(struct fc_bsg_request)); | |
1027 | if (!port_param) { | |
1028 | DEBUG2(printk("%s(%ld): port_param header not provided, " | |
1029 | "exiting.\n", __func__, vha->host_no)); | |
1030 | return -EINVAL; | |
1031 | } | |
1032 | ||
1033 | if (port_param->fc_scsi_addr.dest_type != EXT_DEF_TYPE_WWPN) { | |
1034 | DEBUG2(printk(KERN_ERR "%s(%ld): Invalid destination type\n", | |
1035 | __func__, vha->host_no)); | |
1036 | return -EINVAL; | |
1037 | } | |
1038 | ||
1039 | list_for_each_entry(fcport, &vha->vp_fcports, list) { | |
1040 | if (fcport->port_type != FCT_TARGET) | |
1041 | continue; | |
1042 | ||
1043 | if (memcmp(port_param->fc_scsi_addr.dest_addr.wwpn, | |
1044 | fcport->port_name, sizeof(fcport->port_name))) | |
1045 | continue; | |
1046 | break; | |
1047 | } | |
1048 | ||
1049 | if (!fcport) { | |
1050 | DEBUG2(printk(KERN_ERR "%s(%ld): Failed to find port\n", | |
1051 | __func__, vha->host_no)); | |
1052 | return -EINVAL; | |
1053 | } | |
1054 | ||
1055 | if (port_param->mode) | |
1056 | rval = qla2x00_set_idma_speed(vha, fcport->loop_id, | |
1057 | port_param->speed, mb); | |
1058 | else | |
1059 | rval = qla2x00_get_idma_speed(vha, fcport->loop_id, | |
1060 | &port_param->speed, mb); | |
1061 | ||
1062 | if (rval) { | |
1063 | DEBUG16(printk(KERN_ERR "scsi(%ld): iIDMA cmd failed for " | |
6c452a45 AV |
1064 | "%02x%02x%02x%02x%02x%02x%02x%02x -- " |
1065 | "%04x %x %04x %04x.\n", | |
6e98016c GM |
1066 | vha->host_no, fcport->port_name[0], |
1067 | fcport->port_name[1], | |
1068 | fcport->port_name[2], fcport->port_name[3], | |
1069 | fcport->port_name[4], fcport->port_name[5], | |
1070 | fcport->port_name[6], fcport->port_name[7], rval, | |
1071 | fcport->fp_speed, mb[0], mb[1])); | |
1072 | rval = 0; | |
1073 | bsg_job->reply->result = (DID_ERROR << 16); | |
1074 | ||
1075 | } else { | |
1076 | if (!port_param->mode) { | |
1077 | bsg_job->reply_len = sizeof(struct fc_bsg_reply) + | |
1078 | sizeof(struct qla_port_param); | |
1079 | ||
1080 | rsp_ptr = ((uint8_t *)bsg_job->reply) + | |
1081 | sizeof(struct fc_bsg_reply); | |
1082 | ||
1083 | memcpy(rsp_ptr, port_param, | |
1084 | sizeof(struct qla_port_param)); | |
1085 | } | |
1086 | ||
1087 | bsg_job->reply->result = DID_OK; | |
1088 | } | |
1089 | ||
1090 | bsg_job->job_done(bsg_job); | |
1091 | return rval; | |
1092 | } | |
1093 | ||
1094 | static int | |
1095 | qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) | |
1096 | { | |
1097 | switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { | |
1098 | case QL_VND_LOOPBACK: | |
1099 | return qla2x00_process_loopback(bsg_job); | |
1100 | ||
1101 | case QL_VND_A84_RESET: | |
1102 | return qla84xx_reset(bsg_job); | |
1103 | ||
1104 | case QL_VND_A84_UPDATE_FW: | |
1105 | return qla84xx_updatefw(bsg_job); | |
1106 | ||
1107 | case QL_VND_A84_MGMT_CMD: | |
1108 | return qla84xx_mgmt_cmd(bsg_job); | |
1109 | ||
1110 | case QL_VND_IIDMA: | |
1111 | return qla24xx_iidma(bsg_job); | |
1112 | ||
09ff701a SR |
1113 | case QL_VND_FCP_PRIO_CFG_CMD: |
1114 | return qla24xx_proc_fcp_prio_cfg_cmd(bsg_job); | |
1115 | ||
6e98016c GM |
1116 | default: |
1117 | bsg_job->reply->result = (DID_ERROR << 16); | |
1118 | bsg_job->job_done(bsg_job); | |
1119 | return -ENOSYS; | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | int | |
1124 | qla24xx_bsg_request(struct fc_bsg_job *bsg_job) | |
1125 | { | |
1126 | int ret = -EINVAL; | |
1127 | ||
1128 | switch (bsg_job->request->msgcode) { | |
1129 | case FC_BSG_RPT_ELS: | |
1130 | case FC_BSG_HST_ELS_NOLOGIN: | |
1131 | ret = qla2x00_process_els(bsg_job); | |
1132 | break; | |
1133 | case FC_BSG_HST_CT: | |
1134 | ret = qla2x00_process_ct(bsg_job); | |
1135 | break; | |
1136 | case FC_BSG_HST_VENDOR: | |
1137 | ret = qla2x00_process_vendor_specific(bsg_job); | |
1138 | break; | |
1139 | case FC_BSG_HST_ADD_RPORT: | |
1140 | case FC_BSG_HST_DEL_RPORT: | |
1141 | case FC_BSG_RPT_CT: | |
1142 | default: | |
1143 | DEBUG2(printk("qla2xxx: unsupported BSG request\n")); | |
1144 | break; | |
6c452a45 | 1145 | } |
6e98016c GM |
1146 | return ret; |
1147 | } | |
1148 | ||
1149 | int | |
1150 | qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job) | |
1151 | { | |
1152 | scsi_qla_host_t *vha = shost_priv(bsg_job->shost); | |
1153 | struct qla_hw_data *ha = vha->hw; | |
1154 | srb_t *sp; | |
1155 | int cnt, que; | |
1156 | unsigned long flags; | |
1157 | struct req_que *req; | |
1158 | struct srb_bsg *sp_bsg; | |
1159 | ||
1160 | /* find the bsg job from the active list of commands */ | |
1161 | spin_lock_irqsave(&ha->hardware_lock, flags); | |
1162 | for (que = 0; que < ha->max_req_queues; que++) { | |
1163 | req = ha->req_q_map[que]; | |
1164 | if (!req) | |
1165 | continue; | |
1166 | ||
6c452a45 | 1167 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
6e98016c | 1168 | sp = req->outstanding_cmds[cnt]; |
6e98016c | 1169 | if (sp) { |
6c452a45 | 1170 | sp_bsg = (struct srb_bsg *)sp->ctx; |
6e98016c GM |
1171 | |
1172 | if (((sp_bsg->ctx.type == SRB_CT_CMD) || | |
1173 | (sp_bsg->ctx.type == SRB_ELS_CMD_HST)) | |
1174 | && (sp_bsg->bsg_job == bsg_job)) { | |
1175 | if (ha->isp_ops->abort_command(sp)) { | |
1176 | DEBUG2(qla_printk(KERN_INFO, ha, | |
6c452a45 AV |
1177 | "scsi(%ld): mbx " |
1178 | "abort_command failed\n", | |
1179 | vha->host_no)); | |
6e98016c GM |
1180 | bsg_job->req->errors = |
1181 | bsg_job->reply->result = -EIO; | |
1182 | } else { | |
1183 | DEBUG2(qla_printk(KERN_INFO, ha, | |
6c452a45 AV |
1184 | "scsi(%ld): mbx " |
1185 | "abort_command success\n", | |
1186 | vha->host_no)); | |
6e98016c GM |
1187 | bsg_job->req->errors = |
1188 | bsg_job->reply->result = 0; | |
1189 | } | |
1190 | goto done; | |
1191 | } | |
1192 | } | |
1193 | } | |
1194 | } | |
1195 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1196 | DEBUG2(qla_printk(KERN_INFO, ha, | |
1197 | "scsi(%ld) SRB not found to abort\n", vha->host_no)); | |
1198 | bsg_job->req->errors = bsg_job->reply->result = -ENXIO; | |
1199 | return 0; | |
1200 | ||
1201 | done: | |
1202 | spin_unlock_irqrestore(&ha->hardware_lock, flags); | |
1203 | if (bsg_job->request->msgcode == FC_BSG_HST_CT) | |
1204 | kfree(sp->fcport); | |
1205 | kfree(sp->ctx); | |
1206 | mempool_free(sp, ha->srb_mempool); | |
1207 | return 0; | |
1208 | } |