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