1 /**
2 * Copyright (C) 2005 - 2011 Emulex
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 *
10 * Written by: Jayamohan Kallickal (jayamohan.kallickal@emulex.com)
11 *
12 * Contact Information:
13 * linux-drivers@emulex.com
14 *
15 * Emulex
16 * 3333 Susan Street
17 * Costa Mesa, CA 92626
18 */
19
20 #include "be_mgmt.h"
21 #include "be_iscsi.h"
22 #include <scsi/scsi_transport_iscsi.h>
23
beiscsi_get_boot_target(struct beiscsi_hba * phba)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
beiscsi_get_session_info(struct beiscsi_hba * phba,u32 boot_session_handle,struct be_dma_mem * nonemb_cmd)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 }
93
mgmt_get_fw_config(struct be_ctrl_info * ctrl,struct beiscsi_hba * phba)94 int mgmt_get_fw_config(struct be_ctrl_info *ctrl,
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));
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;
121 if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
122 SE_DEBUG(DBG_LVL_8,
123 "FW reported MAX CXNS as %d\t"
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;
128 }
129 } else {
130 shost_printk(KERN_WARNING, phba->shost,
131 "Failed in mgmt_get_fw_config\n");
132 }
133
134 spin_unlock(&ctrl->mbox_lock);
135 return status;
136 }
137
mgmt_check_supported_fw(struct be_ctrl_info * ctrl,struct beiscsi_hba * phba)138 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
139 struct beiscsi_hba *phba)
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");
154 return -ENOMEM;
155 }
156 nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes);
157 req = nonemb_cmd.va;
158 memset(req, 0, sizeof(*req));
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);
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");
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);
180 } else
181 SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n");
182 spin_unlock(&ctrl->mbox_lock);
183 if (nonemb_cmd.va)
184 pci_free_consistent(ctrl->pdev, nonemb_cmd.size,
185 nonemb_cmd.va, nonemb_cmd.dma);
186
187 return status;
188 }
189
mgmt_epfw_cleanup(struct beiscsi_hba * phba,unsigned short chute)190 int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
191 {
192 struct be_ctrl_info *ctrl = &phba->ctrl;
193 struct be_mcc_wrb *wrb = wrb_from_mccq(phba);
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 = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba));
206 req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba));
207
208 status = be_mcc_notify_wait(phba);
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
mgmt_invalidate_icds(struct beiscsi_hba * phba,struct invalidate_command_table * inv_tbl,unsigned int num_invalidate,unsigned int cid,struct be_dma_mem * nonemb_cmd)216 unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
217 struct invalidate_command_table *inv_tbl,
218 unsigned int num_invalidate, unsigned int cid,
219 struct be_dma_mem *nonemb_cmd)
220
221 {
222 struct be_ctrl_info *ctrl = &phba->ctrl;
223 struct be_mcc_wrb *wrb;
224 struct be_sge *sge;
225 struct invalidate_commands_params_in *req;
226 unsigned int i, tag = 0;
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 }
234
235 req = nonemb_cmd->va;
236 memset(req, 0, sizeof(*req));
237 wrb = wrb_from_mccq(phba);
238 sge = nonembedded_sgl(wrb);
239 wrb->tag0 |= tag;
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;
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 }
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);
256
257 be_mcc_notify(phba);
258 spin_unlock(&ctrl->mbox_lock);
259 return tag;
260 }
261
mgmt_invalidate_connection(struct beiscsi_hba * phba,struct beiscsi_endpoint * beiscsi_ep,unsigned short cid,unsigned short issue_reset,unsigned short savecfg_flag)262 unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba,
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;
269 struct be_mcc_wrb *wrb;
270 struct iscsi_invalidate_connection_params_in *req;
271 unsigned int tag = 0;
272
273 spin_lock(&ctrl->mbox_lock);
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);
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;
294 be_mcc_notify(phba);
295 spin_unlock(&ctrl->mbox_lock);
296 return tag;
297 }
298
mgmt_upload_connection(struct beiscsi_hba * phba,unsigned short cid,unsigned int upload_flag)299 unsigned int mgmt_upload_connection(struct beiscsi_hba *phba,
300 unsigned short cid, unsigned int upload_flag)
301 {
302 struct be_ctrl_info *ctrl = &phba->ctrl;
303 struct be_mcc_wrb *wrb;
304 struct tcp_upload_params_in *req;
305 unsigned int tag = 0;
306
307 spin_lock(&ctrl->mbox_lock);
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;
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;
322 be_mcc_notify(phba);
323 spin_unlock(&ctrl->mbox_lock);
324 return tag;
325 }
326
mgmt_open_connection(struct beiscsi_hba * phba,struct sockaddr * dst_addr,struct beiscsi_endpoint * beiscsi_ep,struct be_dma_mem * nonemb_cmd)327 int mgmt_open_connection(struct beiscsi_hba *phba,
328 struct sockaddr *dst_addr,
329 struct beiscsi_endpoint *beiscsi_ep,
330 struct be_dma_mem *nonemb_cmd)
331
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;
338 struct be_mcc_wrb *wrb;
339 struct tcp_connect_and_offload_in *req;
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;
344 unsigned int tag = 0;
345 unsigned int i;
346 unsigned short cid = beiscsi_ep->ep_cid;
347 struct be_sge *sge;
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);
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);
363 memset(wrb, 0, sizeof(*wrb));
364 sge = nonembedded_sgl(wrb);
365
366 req = nonemb_cmd->va;
367 memset(req, 0, sizeof(*req));
368 wrb->tag0 |= tag;
369
370 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
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);
398 free_mcc_tag(&phba->ctrl, tag);
399 return -EINVAL;
400
401 }
402 req->cid = cid;
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;
407 SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id);
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;
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);
417 be_mcc_notify(phba);
418 spin_unlock(&ctrl->mbox_lock);
419 return tag;
420 }
421
be_cmd_get_mac_addr(struct beiscsi_hba * phba)422 unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
423 {
424 struct be_ctrl_info *ctrl = &phba->ctrl;
425 struct be_mcc_wrb *wrb;
426 struct be_cmd_req_get_mac_addr *req;
427 unsigned int tag = 0;
428
429 SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n");
430 spin_lock(&ctrl->mbox_lock);
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;
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
445 be_mcc_notify(phba);
446 spin_unlock(&ctrl->mbox_lock);
447 return tag;
448 }
449
450