Commit | Line | Data |
---|---|---|
6733b39a | 1 | /** |
255fa9a3 | 2 | * Copyright (C) 2005 - 2011 Emulex |
6733b39a JK |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
255fa9a3 | 10 | * Written by: Jayamohan Kallickal (jayamohan.kallickal@emulex.com) |
6733b39a JK |
11 | * |
12 | * Contact Information: | |
255fa9a3 | 13 | * linux-drivers@emulex.com |
6733b39a | 14 | * |
255fa9a3 JK |
15 | * Emulex |
16 | * 3333 Susan Street | |
17 | * Costa Mesa, CA 92626 | |
6733b39a JK |
18 | */ |
19 | ||
20 | #include "be_mgmt.h" | |
21 | #include "be_iscsi.h" | |
c7acc5b8 JK |
22 | #include <scsi/scsi_transport_iscsi.h> |
23 | ||
24 | unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba) | |
25 | { | |
26 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
27 | struct be_mcc_wrb *wrb; | |
28 | struct be_cmd_req_get_mac_addr *req; | |
29 | unsigned int tag = 0; | |
30 | ||
31 | SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n"); | |
32 | spin_lock(&ctrl->mbox_lock); | |
33 | tag = alloc_mcc_tag(phba); | |
34 | if (!tag) { | |
35 | spin_unlock(&ctrl->mbox_lock); | |
36 | return tag; | |
37 | } | |
38 | ||
39 | wrb = wrb_from_mccq(phba); | |
40 | req = embedded_payload(wrb); | |
41 | wrb->tag0 |= tag; | |
42 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
43 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
44 | OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET, | |
45 | sizeof(*req)); | |
46 | ||
47 | be_mcc_notify(phba); | |
48 | spin_unlock(&ctrl->mbox_lock); | |
49 | return tag; | |
50 | } | |
51 | ||
52 | unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba, | |
53 | u32 boot_session_handle, | |
54 | struct be_dma_mem *nonemb_cmd) | |
55 | { | |
56 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
57 | struct be_mcc_wrb *wrb; | |
58 | unsigned int tag = 0; | |
59 | struct be_cmd_req_get_session *req; | |
60 | struct be_cmd_resp_get_session *resp; | |
61 | struct be_sge *sge; | |
62 | ||
63 | SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n"); | |
64 | spin_lock(&ctrl->mbox_lock); | |
65 | tag = alloc_mcc_tag(phba); | |
66 | if (!tag) { | |
67 | spin_unlock(&ctrl->mbox_lock); | |
68 | return tag; | |
69 | } | |
70 | ||
71 | nonemb_cmd->size = sizeof(*resp); | |
72 | req = nonemb_cmd->va; | |
73 | memset(req, 0, sizeof(*req)); | |
74 | wrb = wrb_from_mccq(phba); | |
75 | sge = nonembedded_sgl(wrb); | |
76 | wrb->tag0 |= tag; | |
77 | ||
78 | ||
79 | wrb->tag0 |= tag; | |
80 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
81 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
82 | OPCODE_ISCSI_INI_SESSION_GET_A_SESSION, | |
83 | sizeof(*resp)); | |
84 | req->session_handle = boot_session_handle; | |
85 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); | |
86 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
87 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
88 | ||
89 | be_mcc_notify(phba); | |
90 | spin_unlock(&ctrl->mbox_lock); | |
91 | return tag; | |
92 | } | |
6733b39a | 93 | |
03a12310 | 94 | int mgmt_get_fw_config(struct be_ctrl_info *ctrl, |
6733b39a JK |
95 | struct beiscsi_hba *phba) |
96 | { | |
97 | struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); | |
98 | struct be_fw_cfg *req = embedded_payload(wrb); | |
99 | int status = 0; | |
100 | ||
101 | spin_lock(&ctrl->mbox_lock); | |
102 | memset(wrb, 0, sizeof(*wrb)); | |
103 | ||
104 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
105 | ||
106 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, | |
107 | OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req)); | |
6733b39a JK |
108 | status = be_mbox_notify(ctrl); |
109 | if (!status) { | |
110 | struct be_fw_cfg *pfw_cfg; | |
111 | pfw_cfg = req; | |
112 | phba->fw_config.phys_port = pfw_cfg->phys_port; | |
113 | phba->fw_config.iscsi_icd_start = | |
114 | pfw_cfg->ulp[0].icd_base; | |
115 | phba->fw_config.iscsi_icd_count = | |
116 | pfw_cfg->ulp[0].icd_count; | |
117 | phba->fw_config.iscsi_cid_start = | |
118 | pfw_cfg->ulp[0].sq_base; | |
119 | phba->fw_config.iscsi_cid_count = | |
120 | pfw_cfg->ulp[0].sq_count; | |
7da50879 | 121 | if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) { |
a3babda5 | 122 | SE_DEBUG(DBG_LVL_8, |
3cbb7a74 | 123 | "FW reported MAX CXNS as %d\t" |
a3babda5 JK |
124 | "Max Supported = %d.\n", |
125 | phba->fw_config.iscsi_cid_count, | |
126 | BE2_MAX_SESSIONS); | |
127 | phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2; | |
7da50879 | 128 | } |
6733b39a JK |
129 | } else { |
130 | shost_printk(KERN_WARNING, phba->shost, | |
457ff3b7 | 131 | "Failed in mgmt_get_fw_config\n"); |
6733b39a JK |
132 | } |
133 | ||
134 | spin_unlock(&ctrl->mbox_lock); | |
135 | return status; | |
136 | } | |
137 | ||
03a12310 | 138 | int mgmt_check_supported_fw(struct be_ctrl_info *ctrl, |
bfead3b2 | 139 | struct beiscsi_hba *phba) |
6733b39a JK |
140 | { |
141 | struct be_dma_mem nonemb_cmd; | |
142 | struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); | |
143 | struct be_mgmt_controller_attributes *req; | |
144 | struct be_sge *sge = nonembedded_sgl(wrb); | |
145 | int status = 0; | |
146 | ||
147 | nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev, | |
148 | sizeof(struct be_mgmt_controller_attributes), | |
149 | &nonemb_cmd.dma); | |
150 | if (nonemb_cmd.va == NULL) { | |
151 | SE_DEBUG(DBG_LVL_1, | |
152 | "Failed to allocate memory for mgmt_check_supported_fw" | |
153 | "\n"); | |
d3ad2bb3 | 154 | return -ENOMEM; |
6733b39a JK |
155 | } |
156 | nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes); | |
157 | req = nonemb_cmd.va; | |
f98c96b0 | 158 | memset(req, 0, sizeof(*req)); |
6733b39a JK |
159 | spin_lock(&ctrl->mbox_lock); |
160 | memset(wrb, 0, sizeof(*wrb)); | |
161 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
162 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, | |
163 | OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req)); | |
164 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma)); | |
165 | sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF); | |
166 | sge->len = cpu_to_le32(nonemb_cmd.size); | |
6733b39a JK |
167 | status = be_mbox_notify(ctrl); |
168 | if (!status) { | |
169 | struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va; | |
170 | SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n", | |
171 | resp->params.hba_attribs.flashrom_version_string); | |
172 | SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n", | |
173 | resp->params.hba_attribs.firmware_version_string); | |
174 | SE_DEBUG(DBG_LVL_8, | |
175 | "Developer Build, not performing version check...\n"); | |
bfead3b2 JK |
176 | phba->fw_config.iscsi_features = |
177 | resp->params.hba_attribs.iscsi_features; | |
178 | SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n", | |
179 | phba->fw_config.iscsi_features); | |
6733b39a JK |
180 | } else |
181 | SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n"); | |
bfead3b2 | 182 | spin_unlock(&ctrl->mbox_lock); |
6733b39a JK |
183 | if (nonemb_cmd.va) |
184 | pci_free_consistent(ctrl->pdev, nonemb_cmd.size, | |
185 | nonemb_cmd.va, nonemb_cmd.dma); | |
186 | ||
6733b39a JK |
187 | return status; |
188 | } | |
189 | ||
03a12310 | 190 | int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute) |
6733b39a JK |
191 | { |
192 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
bfead3b2 | 193 | struct be_mcc_wrb *wrb = wrb_from_mccq(phba); |
6733b39a JK |
194 | struct iscsi_cleanup_req *req = embedded_payload(wrb); |
195 | int status = 0; | |
196 | ||
197 | spin_lock(&ctrl->mbox_lock); | |
198 | memset(wrb, 0, sizeof(*wrb)); | |
199 | ||
200 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
201 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
202 | OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req)); | |
203 | ||
204 | req->chute = chute; | |
205 | req->hdr_ring_id = 0; | |
206 | req->data_ring_id = 0; | |
207 | ||
bfead3b2 | 208 | status = be_mcc_notify_wait(phba); |
6733b39a JK |
209 | if (status) |
210 | shost_printk(KERN_WARNING, phba->shost, | |
211 | " mgmt_epfw_cleanup , FAILED\n"); | |
212 | spin_unlock(&ctrl->mbox_lock); | |
213 | return status; | |
214 | } | |
215 | ||
03a12310 | 216 | unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba, |
4183122d | 217 | struct invalidate_command_table *inv_tbl, |
3cbb7a74 JK |
218 | unsigned int num_invalidate, unsigned int cid, |
219 | struct be_dma_mem *nonemb_cmd) | |
220 | ||
6733b39a | 221 | { |
6733b39a | 222 | struct be_ctrl_info *ctrl = &phba->ctrl; |
756d29c8 JK |
223 | struct be_mcc_wrb *wrb; |
224 | struct be_sge *sge; | |
6733b39a | 225 | struct invalidate_commands_params_in *req; |
4183122d | 226 | unsigned int i, tag = 0; |
756d29c8 JK |
227 | |
228 | spin_lock(&ctrl->mbox_lock); | |
229 | tag = alloc_mcc_tag(phba); | |
230 | if (!tag) { | |
231 | spin_unlock(&ctrl->mbox_lock); | |
232 | return tag; | |
233 | } | |
6733b39a | 234 | |
3cbb7a74 | 235 | req = nonemb_cmd->va; |
f98c96b0 | 236 | memset(req, 0, sizeof(*req)); |
756d29c8 JK |
237 | wrb = wrb_from_mccq(phba); |
238 | sge = nonembedded_sgl(wrb); | |
239 | wrb->tag0 |= tag; | |
6733b39a JK |
240 | |
241 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
242 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
243 | OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS, | |
244 | sizeof(*req)); | |
245 | req->ref_handle = 0; | |
246 | req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE; | |
4183122d JK |
247 | for (i = 0; i < num_invalidate; i++) { |
248 | req->table[i].icd = inv_tbl->icd; | |
249 | req->table[i].cid = inv_tbl->cid; | |
250 | req->icd_count++; | |
251 | inv_tbl++; | |
252 | } | |
3cbb7a74 JK |
253 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); |
254 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
255 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
6733b39a | 256 | |
756d29c8 | 257 | be_mcc_notify(phba); |
6733b39a | 258 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 259 | return tag; |
6733b39a JK |
260 | } |
261 | ||
03a12310 | 262 | unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba, |
6733b39a JK |
263 | struct beiscsi_endpoint *beiscsi_ep, |
264 | unsigned short cid, | |
265 | unsigned short issue_reset, | |
266 | unsigned short savecfg_flag) | |
267 | { | |
268 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
269 | struct be_mcc_wrb *wrb; |
270 | struct iscsi_invalidate_connection_params_in *req; | |
271 | unsigned int tag = 0; | |
6733b39a JK |
272 | |
273 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
274 | tag = alloc_mcc_tag(phba); |
275 | if (!tag) { | |
276 | spin_unlock(&ctrl->mbox_lock); | |
277 | return tag; | |
278 | } | |
279 | wrb = wrb_from_mccq(phba); | |
280 | wrb->tag0 |= tag; | |
281 | req = embedded_payload(wrb); | |
6733b39a JK |
282 | |
283 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
284 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
285 | OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION, | |
286 | sizeof(*req)); | |
287 | req->session_handle = beiscsi_ep->fw_handle; | |
288 | req->cid = cid; | |
289 | if (issue_reset) | |
290 | req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST; | |
291 | else | |
292 | req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE; | |
293 | req->save_cfg = savecfg_flag; | |
756d29c8 | 294 | be_mcc_notify(phba); |
6733b39a | 295 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 296 | return tag; |
6733b39a JK |
297 | } |
298 | ||
03a12310 | 299 | unsigned int mgmt_upload_connection(struct beiscsi_hba *phba, |
6733b39a JK |
300 | unsigned short cid, unsigned int upload_flag) |
301 | { | |
302 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
303 | struct be_mcc_wrb *wrb; |
304 | struct tcp_upload_params_in *req; | |
305 | unsigned int tag = 0; | |
6733b39a JK |
306 | |
307 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
308 | tag = alloc_mcc_tag(phba); |
309 | if (!tag) { | |
310 | spin_unlock(&ctrl->mbox_lock); | |
311 | return tag; | |
312 | } | |
313 | wrb = wrb_from_mccq(phba); | |
314 | req = embedded_payload(wrb); | |
315 | wrb->tag0 |= tag; | |
6733b39a JK |
316 | |
317 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
318 | be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD, | |
319 | OPCODE_COMMON_TCP_UPLOAD, sizeof(*req)); | |
320 | req->id = (unsigned short)cid; | |
321 | req->upload_type = (unsigned char)upload_flag; | |
756d29c8 | 322 | be_mcc_notify(phba); |
6733b39a | 323 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 324 | return tag; |
6733b39a JK |
325 | } |
326 | ||
327 | int mgmt_open_connection(struct beiscsi_hba *phba, | |
328 | struct sockaddr *dst_addr, | |
3cbb7a74 JK |
329 | struct beiscsi_endpoint *beiscsi_ep, |
330 | struct be_dma_mem *nonemb_cmd) | |
331 | ||
6733b39a JK |
332 | { |
333 | struct hwi_controller *phwi_ctrlr; | |
334 | struct hwi_context_memory *phwi_context; | |
335 | struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr; | |
336 | struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr; | |
337 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
338 | struct be_mcc_wrb *wrb; |
339 | struct tcp_connect_and_offload_in *req; | |
6733b39a JK |
340 | unsigned short def_hdr_id; |
341 | unsigned short def_data_id; | |
342 | struct phys_addr template_address = { 0, 0 }; | |
343 | struct phys_addr *ptemplate_address; | |
756d29c8 | 344 | unsigned int tag = 0; |
bfead3b2 | 345 | unsigned int i; |
6733b39a | 346 | unsigned short cid = beiscsi_ep->ep_cid; |
3cbb7a74 | 347 | struct be_sge *sge; |
6733b39a JK |
348 | |
349 | phwi_ctrlr = phba->phwi_ctrlr; | |
350 | phwi_context = phwi_ctrlr->phwi_ctxt; | |
351 | def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba); | |
352 | def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba); | |
353 | ||
354 | ptemplate_address = &template_address; | |
355 | ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address); | |
356 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
357 | tag = alloc_mcc_tag(phba); |
358 | if (!tag) { | |
359 | spin_unlock(&ctrl->mbox_lock); | |
360 | return tag; | |
361 | } | |
362 | wrb = wrb_from_mccq(phba); | |
3cbb7a74 JK |
363 | memset(wrb, 0, sizeof(*wrb)); |
364 | sge = nonembedded_sgl(wrb); | |
365 | ||
366 | req = nonemb_cmd->va; | |
367 | memset(req, 0, sizeof(*req)); | |
756d29c8 | 368 | wrb->tag0 |= tag; |
6733b39a | 369 | |
b15d05b0 | 370 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); |
6733b39a JK |
371 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, |
372 | OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD, | |
373 | sizeof(*req)); | |
374 | if (dst_addr->sa_family == PF_INET) { | |
375 | __be32 s_addr = daddr_in->sin_addr.s_addr; | |
376 | req->ip_address.ip_type = BE2_IPV4; | |
377 | req->ip_address.ip_address[0] = s_addr & 0x000000ff; | |
378 | req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8; | |
379 | req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16; | |
380 | req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24; | |
381 | req->tcp_port = ntohs(daddr_in->sin_port); | |
382 | beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr; | |
383 | beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port); | |
384 | beiscsi_ep->ip_type = BE2_IPV4; | |
385 | } else if (dst_addr->sa_family == PF_INET6) { | |
386 | req->ip_address.ip_type = BE2_IPV6; | |
387 | memcpy(&req->ip_address.ip_address, | |
388 | &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); | |
389 | req->tcp_port = ntohs(daddr_in6->sin6_port); | |
390 | beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port); | |
391 | memcpy(&beiscsi_ep->dst6_addr, | |
392 | &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); | |
393 | beiscsi_ep->ip_type = BE2_IPV6; | |
394 | } else{ | |
395 | shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n", | |
396 | dst_addr->sa_family); | |
397 | spin_unlock(&ctrl->mbox_lock); | |
5db3f33d | 398 | free_mcc_tag(&phba->ctrl, tag); |
6733b39a JK |
399 | return -EINVAL; |
400 | ||
401 | } | |
402 | req->cid = cid; | |
bfead3b2 JK |
403 | i = phba->nxt_cqid++; |
404 | if (phba->nxt_cqid == phba->num_cpus) | |
405 | phba->nxt_cqid = 0; | |
406 | req->cq_id = phwi_context->be_cq[i].id; | |
457ff3b7 | 407 | SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id); |
6733b39a JK |
408 | req->defq_id = def_hdr_id; |
409 | req->hdr_ring_id = def_hdr_id; | |
410 | req->data_ring_id = def_data_id; | |
411 | req->do_offload = 1; | |
412 | req->dataout_template_pa.lo = ptemplate_address->lo; | |
413 | req->dataout_template_pa.hi = ptemplate_address->hi; | |
3cbb7a74 JK |
414 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); |
415 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
416 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
756d29c8 | 417 | be_mcc_notify(phba); |
6733b39a | 418 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 419 | return tag; |
6733b39a | 420 | } |
bfead3b2 | 421 | |
756d29c8 | 422 | unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba) |
bfead3b2 JK |
423 | { |
424 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
425 | struct be_mcc_wrb *wrb; |
426 | struct be_cmd_req_get_mac_addr *req; | |
427 | unsigned int tag = 0; | |
bfead3b2 JK |
428 | |
429 | SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n"); | |
430 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
431 | tag = alloc_mcc_tag(phba); |
432 | if (!tag) { | |
433 | spin_unlock(&ctrl->mbox_lock); | |
434 | return tag; | |
435 | } | |
436 | ||
437 | wrb = wrb_from_mccq(phba); | |
438 | req = embedded_payload(wrb); | |
439 | wrb->tag0 |= tag; | |
bfead3b2 JK |
440 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); |
441 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
442 | OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG, | |
443 | sizeof(*req)); | |
444 | ||
756d29c8 | 445 | be_mcc_notify(phba); |
bfead3b2 | 446 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 447 | return tag; |
bfead3b2 JK |
448 | } |
449 |