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26#include <linux/bsg-lib.h>
27#include <scsi/scsi_transport_iscsi.h>
28#include <scsi/scsi_bsg_iscsi.h>
29#include "be_mgmt.h"
30#include "be_iscsi.h"
31#include "be_main.h"
32
33unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
34 struct beiscsi_hba *phba,
35 struct bsg_job *job,
36 struct be_dma_mem *nonemb_cmd)
37{
38 struct be_mcc_wrb *wrb;
39 struct be_sge *mcc_sge;
40 unsigned int tag = 0;
41 struct iscsi_bsg_request *bsg_req = job->request;
42 struct be_bsg_vendor_cmd *req = nonemb_cmd->va;
43 unsigned short region, sector_size, sector, offset;
44
45 nonemb_cmd->size = job->request_payload.payload_len;
46 memset(nonemb_cmd->va, 0, nonemb_cmd->size);
47 region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
48 sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
49 sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
50 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[4];
51 req->region = region;
52 req->sector = sector;
53 req->offset = offset;
54
55 if (mutex_lock_interruptible(&ctrl->mbox_lock))
56 return 0;
57 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) {
58 case BEISCSI_WRITE_FLASH:
59 offset = sector * sector_size + offset;
60 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
61 OPCODE_COMMON_WRITE_FLASH, sizeof(*req));
62 sg_copy_to_buffer(job->request_payload.sg_list,
63 job->request_payload.sg_cnt,
64 nonemb_cmd->va + offset, job->request_len);
65 break;
66 case BEISCSI_READ_FLASH:
67 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
68 OPCODE_COMMON_READ_FLASH, sizeof(*req));
69 break;
70 default:
71 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
72 "BG_%d : Unsupported cmd = 0x%x\n\n",
73 bsg_req->rqst_data.h_vendor.vendor_cmd[0]);
74
75 mutex_unlock(&ctrl->mbox_lock);
76 return -EPERM;
77 }
78
79 wrb = alloc_mcc_wrb(phba, &tag);
80 if (!wrb) {
81 mutex_unlock(&ctrl->mbox_lock);
82 return 0;
83 }
84
85 mcc_sge = nonembedded_sgl(wrb);
86 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false,
87 job->request_payload.sg_cnt);
88 mcc_sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
89 mcc_sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
90 mcc_sge->len = cpu_to_le32(nonemb_cmd->size);
91
92 be_mcc_notify(phba, tag);
93
94 mutex_unlock(&ctrl->mbox_lock);
95 return tag;
96}
97
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99
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101
102
103
104
105
106
107
108
109int mgmt_open_connection(struct beiscsi_hba *phba,
110 struct sockaddr *dst_addr,
111 struct beiscsi_endpoint *beiscsi_ep,
112 struct be_dma_mem *nonemb_cmd)
113{
114 struct hwi_controller *phwi_ctrlr;
115 struct hwi_context_memory *phwi_context;
116 struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr;
117 struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr;
118 struct be_ctrl_info *ctrl = &phba->ctrl;
119 struct be_mcc_wrb *wrb;
120 struct tcp_connect_and_offload_in_v1 *req;
121 unsigned short def_hdr_id;
122 unsigned short def_data_id;
123 struct phys_addr template_address = { 0, 0 };
124 struct phys_addr *ptemplate_address;
125 unsigned int tag = 0;
126 unsigned int i, ulp_num;
127 unsigned short cid = beiscsi_ep->ep_cid;
128 struct be_sge *sge;
129
130 if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) {
131 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
132 "BG_%d : unknown addr family %d\n",
133 dst_addr->sa_family);
134 return 0;
135 }
136
137 phwi_ctrlr = phba->phwi_ctrlr;
138 phwi_context = phwi_ctrlr->phwi_ctxt;
139
140 ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num;
141
142 def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num);
143 def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num);
144
145 ptemplate_address = &template_address;
146 ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address);
147 if (mutex_lock_interruptible(&ctrl->mbox_lock))
148 return 0;
149 wrb = alloc_mcc_wrb(phba, &tag);
150 if (!wrb) {
151 mutex_unlock(&ctrl->mbox_lock);
152 return 0;
153 }
154
155 sge = nonembedded_sgl(wrb);
156 req = nonemb_cmd->va;
157 memset(req, 0, sizeof(*req));
158
159 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
160 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
161 OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD,
162 nonemb_cmd->size);
163 if (dst_addr->sa_family == PF_INET) {
164 __be32 s_addr = daddr_in->sin_addr.s_addr;
165 req->ip_address.ip_type = BEISCSI_IP_TYPE_V4;
166 req->ip_address.addr[0] = s_addr & 0x000000ff;
167 req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8;
168 req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16;
169 req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24;
170 req->tcp_port = ntohs(daddr_in->sin_port);
171 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr;
172 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port);
173 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V4;
174 } else {
175
176 req->ip_address.ip_type = BEISCSI_IP_TYPE_V6;
177 memcpy(&req->ip_address.addr,
178 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
179 req->tcp_port = ntohs(daddr_in6->sin6_port);
180 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port);
181 memcpy(&beiscsi_ep->dst6_addr,
182 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16);
183 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V6;
184 }
185 req->cid = cid;
186 i = phba->nxt_cqid++;
187 if (phba->nxt_cqid == phba->num_cpus)
188 phba->nxt_cqid = 0;
189 req->cq_id = phwi_context->be_cq[i].id;
190 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
191 "BG_%d : i=%d cq_id=%d\n", i, req->cq_id);
192 req->defq_id = def_hdr_id;
193 req->hdr_ring_id = def_hdr_id;
194 req->data_ring_id = def_data_id;
195 req->do_offload = 1;
196 req->dataout_template_pa.lo = ptemplate_address->lo;
197 req->dataout_template_pa.hi = ptemplate_address->hi;
198 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
199 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
200 sge->len = cpu_to_le32(nonemb_cmd->size);
201
202 if (!is_chip_be2_be3r(phba)) {
203 req->hdr.version = MBX_CMD_VER1;
204 req->tcp_window_size = 0x8000;
205 req->tcp_window_scale_count = 2;
206 }
207
208 be_mcc_notify(phba, tag);
209 mutex_unlock(&ctrl->mbox_lock);
210 return tag;
211}
212
213
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217
218
219
220
221
222static int beiscsi_exec_nemb_cmd(struct beiscsi_hba *phba,
223 struct be_dma_mem *nonemb_cmd,
224 void (*cbfn)(struct beiscsi_hba *,
225 unsigned int),
226 void *resp_buf, u32 resp_buf_len)
227{
228 struct be_ctrl_info *ctrl = &phba->ctrl;
229 struct be_mcc_wrb *wrb;
230 struct be_sge *sge;
231 unsigned int tag;
232 int rc = 0;
233
234 mutex_lock(&ctrl->mbox_lock);
235 wrb = alloc_mcc_wrb(phba, &tag);
236 if (!wrb) {
237 mutex_unlock(&ctrl->mbox_lock);
238 return -ENOMEM;
239 }
240
241 sge = nonembedded_sgl(wrb);
242 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1);
243 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
244 sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd->dma));
245 sge->len = cpu_to_le32(nonemb_cmd->size);
246
247 if (cbfn) {
248 struct be_dma_mem *tag_mem;
249
250 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
251 ctrl->ptag_state[tag].cbfn = cbfn;
252 tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
253
254
255 tag_mem->size = nonemb_cmd->size;
256 tag_mem->va = nonemb_cmd->va;
257 tag_mem->dma = nonemb_cmd->dma;
258 }
259 be_mcc_notify(phba, tag);
260 mutex_unlock(&ctrl->mbox_lock);
261
262
263 if (cbfn)
264 return 0;
265
266 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, nonemb_cmd);
267
268
269 if (resp_buf)
270 memcpy(resp_buf, nonemb_cmd->va, resp_buf_len);
271 return rc;
272}
273
274static int beiscsi_prep_nemb_cmd(struct beiscsi_hba *phba,
275 struct be_dma_mem *cmd,
276 u8 subsystem, u8 opcode, u32 size)
277{
278 cmd->va = dma_alloc_coherent(&phba->ctrl.pdev->dev, size, &cmd->dma,
279 GFP_KERNEL);
280 if (!cmd->va) {
281 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
282 "BG_%d : Failed to allocate memory for if info\n");
283 return -ENOMEM;
284 }
285 cmd->size = size;
286 be_cmd_hdr_prepare(cmd->va, subsystem, opcode, size);
287 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
288 "BG_%d : subsystem %u cmd %u size %u\n",
289 subsystem, opcode, size);
290 return 0;
291}
292
293static void beiscsi_free_nemb_cmd(struct beiscsi_hba *phba,
294 struct be_dma_mem *cmd, int rc)
295{
296
297
298
299
300 if (rc == -EBUSY)
301 return;
302
303 dma_free_coherent(&phba->ctrl.pdev->dev, cmd->size, cmd->va, cmd->dma);
304}
305
306static void __beiscsi_eq_delay_compl(struct beiscsi_hba *phba, unsigned int tag)
307{
308 struct be_dma_mem *tag_mem;
309
310
311 __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
312 tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state;
313 if (tag_mem->size) {
314 dma_free_coherent(&phba->pcidev->dev, tag_mem->size,
315 tag_mem->va, tag_mem->dma);
316 tag_mem->size = 0;
317 }
318}
319
320int beiscsi_modify_eq_delay(struct beiscsi_hba *phba,
321 struct be_set_eqd *set_eqd, int num)
322{
323 struct be_cmd_req_modify_eq_delay *req;
324 struct be_dma_mem nonemb_cmd;
325 int i, rc;
326
327 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_COMMON,
328 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
329 if (rc)
330 return rc;
331
332 req = nonemb_cmd.va;
333 req->num_eq = cpu_to_le32(num);
334 for (i = 0; i < num; i++) {
335 req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
336 req->delay[i].phase = 0;
337 req->delay[i].delay_multiplier =
338 cpu_to_le32(set_eqd[i].delay_multiplier);
339 }
340
341 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, __beiscsi_eq_delay_compl,
342 NULL, 0);
343 if (rc) {
344
345
346
347
348 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
349 }
350 return rc;
351}
352
353
354
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356
357
358
359
360int beiscsi_get_initiator_name(struct beiscsi_hba *phba, char *name, bool cfg)
361{
362 struct be_dma_mem nonemb_cmd;
363 struct be_cmd_hba_name resp;
364 struct be_cmd_hba_name *req;
365 int rc;
366
367 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI_INI,
368 OPCODE_ISCSI_INI_CFG_GET_HBA_NAME, sizeof(resp));
369 if (rc)
370 return rc;
371
372 req = nonemb_cmd.va;
373 if (cfg)
374 req->hdr.version = 1;
375 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL,
376 &resp, sizeof(resp));
377 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
378 if (rc) {
379 beiscsi_log(phba, KERN_ERR,
380 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
381 "BS_%d : Initiator Name MBX Failed\n");
382 return rc;
383 }
384 rc = sprintf(name, "%s\n", resp.initiator_name);
385 return rc;
386}
387
388unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba)
389{
390 struct be_ctrl_info *ctrl = &phba->ctrl;
391 struct be_mcc_wrb *wrb;
392 struct be_cmd_get_all_if_id_req *req;
393 struct be_cmd_get_all_if_id_req *pbe_allid;
394 unsigned int tag;
395 int status = 0;
396
397 if (mutex_lock_interruptible(&ctrl->mbox_lock))
398 return -EINTR;
399 wrb = alloc_mcc_wrb(phba, &tag);
400 if (!wrb) {
401 mutex_unlock(&ctrl->mbox_lock);
402 return -ENOMEM;
403 }
404
405 req = embedded_payload(wrb);
406 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
407 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
408 OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID,
409 sizeof(*req));
410 be_mcc_notify(phba, tag);
411 mutex_unlock(&ctrl->mbox_lock);
412
413 status = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
414 if (status) {
415 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
416 "BG_%d : %s failed: %d\n", __func__, status);
417 return -EBUSY;
418 }
419
420 pbe_allid = embedded_payload(wrb);
421
422 phba->interface_handle = pbe_allid->if_hndl_list[0];
423
424 return status;
425}
426
427static inline bool beiscsi_if_zero_ip(u8 *ip, u32 ip_type)
428{
429 u32 len;
430
431 len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
432 while (len && !ip[len - 1])
433 len--;
434 return (len == 0);
435}
436
437static int beiscsi_if_mod_gw(struct beiscsi_hba *phba,
438 u32 action, u32 ip_type, u8 *gw)
439{
440 struct be_cmd_set_def_gateway_req *req;
441 struct be_dma_mem nonemb_cmd;
442 int rt_val;
443
444 rt_val = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
445 OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY,
446 sizeof(*req));
447 if (rt_val)
448 return rt_val;
449
450 req = nonemb_cmd.va;
451 req->action = action;
452 req->ip_addr.ip_type = ip_type;
453 memcpy(req->ip_addr.addr, gw,
454 (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN);
455 rt_val = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
456 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rt_val);
457 return rt_val;
458}
459
460int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw)
461{
462 struct be_cmd_get_def_gateway_resp gw_resp;
463 int rt_val;
464
465 memset(&gw_resp, 0, sizeof(gw_resp));
466 rt_val = beiscsi_if_get_gw(phba, ip_type, &gw_resp);
467 if (rt_val) {
468 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
469 "BG_%d : Failed to Get Gateway Addr\n");
470 return rt_val;
471 }
472
473 if (!beiscsi_if_zero_ip(gw_resp.ip_addr.addr, ip_type)) {
474 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_DEL, ip_type,
475 gw_resp.ip_addr.addr);
476 if (rt_val) {
477 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
478 "BG_%d : Failed to clear Gateway Addr Set\n");
479 return rt_val;
480 }
481 }
482
483 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_ADD, ip_type, gw);
484 if (rt_val)
485 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
486 "BG_%d : Failed to Set Gateway Addr\n");
487
488 return rt_val;
489}
490
491int beiscsi_if_get_gw(struct beiscsi_hba *phba, u32 ip_type,
492 struct be_cmd_get_def_gateway_resp *resp)
493{
494 struct be_cmd_get_def_gateway_req *req;
495 struct be_dma_mem nonemb_cmd;
496 int rc;
497
498 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
499 OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY,
500 sizeof(*resp));
501 if (rc)
502 return rc;
503
504 req = nonemb_cmd.va;
505 req->ip_type = ip_type;
506
507 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, resp,
508 sizeof(*resp));
509 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
510 return rc;
511}
512
513static int
514beiscsi_if_clr_ip(struct beiscsi_hba *phba,
515 struct be_cmd_get_if_info_resp *if_info)
516{
517 struct be_cmd_set_ip_addr_req *req;
518 struct be_dma_mem nonemb_cmd;
519 int rc;
520
521 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
522 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
523 sizeof(*req));
524 if (rc)
525 return rc;
526
527 req = nonemb_cmd.va;
528 req->ip_params.record_entry_count = 1;
529 req->ip_params.ip_record.action = IP_ACTION_DEL;
530 req->ip_params.ip_record.interface_hndl =
531 phba->interface_handle;
532 req->ip_params.ip_record.ip_addr.size_of_structure =
533 sizeof(struct be_ip_addr_subnet_format);
534 req->ip_params.ip_record.ip_addr.ip_type = if_info->ip_addr.ip_type;
535 memcpy(req->ip_params.ip_record.ip_addr.addr,
536 if_info->ip_addr.addr,
537 sizeof(if_info->ip_addr.addr));
538 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
539 if_info->ip_addr.subnet_mask,
540 sizeof(if_info->ip_addr.subnet_mask));
541 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
542 if (rc < 0 || req->ip_params.ip_record.status) {
543 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
544 "BG_%d : failed to clear IP: rc %d status %d\n",
545 rc, req->ip_params.ip_record.status);
546 }
547 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
548 return rc;
549}
550
551static int
552beiscsi_if_set_ip(struct beiscsi_hba *phba, u8 *ip,
553 u8 *subnet, u32 ip_type)
554{
555 struct be_cmd_set_ip_addr_req *req;
556 struct be_dma_mem nonemb_cmd;
557 uint32_t ip_len;
558 int rc;
559
560 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
561 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR,
562 sizeof(*req));
563 if (rc)
564 return rc;
565
566 req = nonemb_cmd.va;
567 req->ip_params.record_entry_count = 1;
568 req->ip_params.ip_record.action = IP_ACTION_ADD;
569 req->ip_params.ip_record.interface_hndl =
570 phba->interface_handle;
571 req->ip_params.ip_record.ip_addr.size_of_structure =
572 sizeof(struct be_ip_addr_subnet_format);
573 req->ip_params.ip_record.ip_addr.ip_type = ip_type;
574 ip_len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN;
575 memcpy(req->ip_params.ip_record.ip_addr.addr, ip, ip_len);
576 if (subnet)
577 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask,
578 subnet, ip_len);
579
580 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
581
582
583
584
585 if (rc < 0 || req->ip_params.ip_record.status) {
586 __beiscsi_log(phba, KERN_ERR,
587 "BG_%d : failed to set IP: rc %d status %d\n",
588 rc, req->ip_params.ip_record.status);
589 if (req->ip_params.ip_record.status)
590 rc = -EINVAL;
591 }
592 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
593 return rc;
594}
595
596int beiscsi_if_en_static(struct beiscsi_hba *phba, u32 ip_type,
597 u8 *ip, u8 *subnet)
598{
599 struct be_cmd_get_if_info_resp *if_info;
600 struct be_cmd_rel_dhcp_req *reldhcp;
601 struct be_dma_mem nonemb_cmd;
602 int rc;
603
604 rc = beiscsi_if_get_info(phba, ip_type, &if_info);
605 if (rc)
606 return rc;
607
608 if (if_info->dhcp_state) {
609 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
610 CMD_SUBSYSTEM_ISCSI,
611 OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR,
612 sizeof(*reldhcp));
613 if (rc)
614 goto exit;
615
616 reldhcp = nonemb_cmd.va;
617 reldhcp->interface_hndl = phba->interface_handle;
618 reldhcp->ip_type = ip_type;
619 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
620 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
621 if (rc < 0) {
622 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
623 "BG_%d : failed to release existing DHCP: %d\n",
624 rc);
625 goto exit;
626 }
627 }
628
629
630 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
631 rc = beiscsi_if_clr_ip(phba, if_info);
632 if (rc)
633 goto exit;
634 }
635
636
637 if (ip)
638 rc = beiscsi_if_set_ip(phba, ip, subnet, ip_type);
639exit:
640 kfree(if_info);
641 return rc;
642}
643
644int beiscsi_if_en_dhcp(struct beiscsi_hba *phba, u32 ip_type)
645{
646 struct be_cmd_get_def_gateway_resp gw_resp;
647 struct be_cmd_get_if_info_resp *if_info;
648 struct be_cmd_set_dhcp_req *dhcpreq;
649 struct be_dma_mem nonemb_cmd;
650 u8 *gw;
651 int rc;
652
653 rc = beiscsi_if_get_info(phba, ip_type, &if_info);
654 if (rc)
655 return rc;
656
657 if (if_info->dhcp_state) {
658 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
659 "BG_%d : DHCP Already Enabled\n");
660 goto exit;
661 }
662
663
664 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) {
665 rc = beiscsi_if_clr_ip(phba, if_info);
666 if (rc)
667 goto exit;
668 }
669
670
671 memset(&gw_resp, 0, sizeof(gw_resp));
672
673 rc = beiscsi_if_get_gw(phba, if_info->ip_addr.ip_type, &gw_resp);
674 if (rc) {
675 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
676 "BG_%d : Failed to Get Gateway Addr\n");
677 goto exit;
678 }
679 gw = (u8 *)&gw_resp.ip_addr.addr;
680 if (!beiscsi_if_zero_ip(gw, if_info->ip_addr.ip_type)) {
681 rc = beiscsi_if_mod_gw(phba, IP_ACTION_DEL,
682 if_info->ip_addr.ip_type, gw);
683 if (rc) {
684 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
685 "BG_%d : Failed to clear Gateway Addr Set\n");
686 goto exit;
687 }
688 }
689
690 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
691 OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR,
692 sizeof(*dhcpreq));
693 if (rc)
694 goto exit;
695
696 dhcpreq = nonemb_cmd.va;
697 dhcpreq->flags = 1;
698 dhcpreq->retry_count = 1;
699 dhcpreq->interface_hndl = phba->interface_handle;
700 dhcpreq->ip_type = ip_type;
701 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0);
702 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
703exit:
704 kfree(if_info);
705 return rc;
706}
707
708
709
710
711
712
713
714
715
716
717
718
719
720int beiscsi_if_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag)
721{
722 int rc;
723 unsigned int tag;
724
725 tag = be_cmd_set_vlan(phba, vlan_tag);
726 if (!tag) {
727 beiscsi_log(phba, KERN_ERR,
728 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
729 "BG_%d : VLAN Setting Failed\n");
730 return -EBUSY;
731 }
732
733 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
734 if (rc) {
735 beiscsi_log(phba, KERN_ERR,
736 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX),
737 "BS_%d : VLAN MBX Cmd Failed\n");
738 return rc;
739 }
740 return rc;
741}
742
743
744int beiscsi_if_get_info(struct beiscsi_hba *phba, int ip_type,
745 struct be_cmd_get_if_info_resp **if_info)
746{
747 struct be_cmd_get_if_info_req *req;
748 struct be_dma_mem nonemb_cmd;
749 uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp);
750 int rc;
751
752 rc = beiscsi_if_get_handle(phba);
753 if (rc)
754 return rc;
755
756 do {
757 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd,
758 CMD_SUBSYSTEM_ISCSI,
759 OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO,
760 ioctl_size);
761 if (rc)
762 return rc;
763
764 req = nonemb_cmd.va;
765 req->interface_hndl = phba->interface_handle;
766 req->ip_type = ip_type;
767
768
769 *if_info = kzalloc(ioctl_size, GFP_KERNEL);
770 if (!*if_info) {
771 beiscsi_log(phba, KERN_ERR,
772 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
773 "BG_%d : Memory Allocation Failure\n");
774
775 beiscsi_free_nemb_cmd(phba, &nonemb_cmd,
776 -ENOMEM);
777 return -ENOMEM;
778 }
779
780 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, *if_info,
781 ioctl_size);
782
783
784 if (rc == -EAGAIN) {
785
786
787 ioctl_size = ((struct be_cmd_resp_hdr *)
788 nonemb_cmd.va)->actual_resp_len;
789 ioctl_size += sizeof(struct be_cmd_req_hdr);
790
791 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
792
793 kfree(*if_info);
794 } else {
795 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
796 break;
797 }
798 } while (true);
799 return rc;
800}
801
802int mgmt_get_nic_conf(struct beiscsi_hba *phba,
803 struct be_cmd_get_nic_conf_resp *nic)
804{
805 struct be_dma_mem nonemb_cmd;
806 int rc;
807
808 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI,
809 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG,
810 sizeof(*nic));
811 if (rc)
812 return rc;
813
814 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, nic, sizeof(*nic));
815 beiscsi_free_nemb_cmd(phba, &nonemb_cmd, rc);
816 return rc;
817}
818
819static void beiscsi_boot_process_compl(struct beiscsi_hba *phba,
820 unsigned int tag)
821{
822 struct be_cmd_get_boot_target_resp *boot_resp;
823 struct be_cmd_resp_logout_fw_sess *logo_resp;
824 struct be_cmd_get_session_resp *sess_resp;
825 struct be_mcc_wrb *wrb;
826 struct boot_struct *bs;
827 int boot_work, status;
828
829 if (!test_bit(BEISCSI_HBA_BOOT_WORK, &phba->state)) {
830 __beiscsi_log(phba, KERN_ERR,
831 "BG_%d : %s no boot work %lx\n",
832 __func__, phba->state);
833 return;
834 }
835
836 if (phba->boot_struct.tag != tag) {
837 __beiscsi_log(phba, KERN_ERR,
838 "BG_%d : %s tag mismatch %d:%d\n",
839 __func__, tag, phba->boot_struct.tag);
840 return;
841 }
842 bs = &phba->boot_struct;
843 boot_work = 1;
844 status = 0;
845 switch (bs->action) {
846 case BEISCSI_BOOT_REOPEN_SESS:
847 status = __beiscsi_mcc_compl_status(phba, tag, NULL, NULL);
848 if (!status)
849 bs->action = BEISCSI_BOOT_GET_SHANDLE;
850 else
851 bs->retry--;
852 break;
853 case BEISCSI_BOOT_GET_SHANDLE:
854 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
855 if (!status) {
856 boot_resp = embedded_payload(wrb);
857 bs->s_handle = boot_resp->boot_session_handle;
858 }
859 if (bs->s_handle == BE_BOOT_INVALID_SHANDLE) {
860 bs->action = BEISCSI_BOOT_REOPEN_SESS;
861 bs->retry--;
862 } else {
863 bs->action = BEISCSI_BOOT_GET_SINFO;
864 }
865 break;
866 case BEISCSI_BOOT_GET_SINFO:
867 status = __beiscsi_mcc_compl_status(phba, tag, NULL,
868 &bs->nonemb_cmd);
869 if (!status) {
870 sess_resp = bs->nonemb_cmd.va;
871 memcpy(&bs->boot_sess, &sess_resp->session_info,
872 sizeof(struct mgmt_session_info));
873 bs->action = BEISCSI_BOOT_LOGOUT_SESS;
874 } else {
875 __beiscsi_log(phba, KERN_ERR,
876 "BG_%d : get boot session info error : 0x%x\n",
877 status);
878 boot_work = 0;
879 }
880 dma_free_coherent(&phba->ctrl.pdev->dev, bs->nonemb_cmd.size,
881 bs->nonemb_cmd.va, bs->nonemb_cmd.dma);
882 bs->nonemb_cmd.va = NULL;
883 break;
884 case BEISCSI_BOOT_LOGOUT_SESS:
885 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL);
886 if (!status) {
887 logo_resp = embedded_payload(wrb);
888 if (logo_resp->session_status != BE_SESS_STATUS_CLOSE) {
889 __beiscsi_log(phba, KERN_ERR,
890 "BG_%d : FW boot session logout error : 0x%x\n",
891 logo_resp->session_status);
892 }
893 }
894
895 bs->action = BEISCSI_BOOT_CREATE_KSET;
896 break;
897 default:
898 break;
899 }
900
901
902 bs->tag = 0;
903 if (!bs->retry) {
904 boot_work = 0;
905 __beiscsi_log(phba, KERN_ERR,
906 "BG_%d : failed to setup boot target: status %d action %d\n",
907 status, bs->action);
908 }
909 if (!boot_work) {
910
911 clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state);
912 return;
913 }
914 schedule_work(&phba->boot_work);
915}
916
917
918
919
920
921
922
923
924
925unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba)
926{
927 struct be_ctrl_info *ctrl = &phba->ctrl;
928 struct be_mcc_wrb *wrb;
929 struct be_cmd_req_logout_fw_sess *req;
930 unsigned int tag;
931
932 mutex_lock(&ctrl->mbox_lock);
933 wrb = alloc_mcc_wrb(phba, &tag);
934 if (!wrb) {
935 mutex_unlock(&ctrl->mbox_lock);
936 return 0;
937 }
938
939 req = embedded_payload(wrb);
940 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
941 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
942 OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
943 sizeof(struct be_cmd_req_logout_fw_sess));
944
945 req->session_handle = phba->boot_struct.boot_sess.session_handle;
946
947 phba->boot_struct.tag = tag;
948 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
949 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
950
951 be_mcc_notify(phba, tag);
952 mutex_unlock(&ctrl->mbox_lock);
953
954 return tag;
955}
956
957
958
959
960
961
962
963
964unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba)
965{
966 struct be_ctrl_info *ctrl = &phba->ctrl;
967 struct be_mcc_wrb *wrb;
968 struct be_cmd_reopen_session_req *req;
969 unsigned int tag;
970
971 mutex_lock(&ctrl->mbox_lock);
972 wrb = alloc_mcc_wrb(phba, &tag);
973 if (!wrb) {
974 mutex_unlock(&ctrl->mbox_lock);
975 return 0;
976 }
977
978 req = embedded_payload(wrb);
979 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
980 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
981 OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS,
982 sizeof(struct be_cmd_reopen_session_resp));
983 req->reopen_type = BE_REOPEN_BOOT_SESSIONS;
984 req->session_handle = BE_BOOT_INVALID_SHANDLE;
985
986 phba->boot_struct.tag = tag;
987 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
988 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
989
990 be_mcc_notify(phba, tag);
991 mutex_unlock(&ctrl->mbox_lock);
992 return tag;
993}
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
1006{
1007 struct be_ctrl_info *ctrl = &phba->ctrl;
1008 struct be_cmd_get_session_req *req;
1009 struct be_dma_mem *nonemb_cmd;
1010 struct be_mcc_wrb *wrb;
1011 struct be_sge *sge;
1012 unsigned int tag;
1013
1014 mutex_lock(&ctrl->mbox_lock);
1015 wrb = alloc_mcc_wrb(phba, &tag);
1016 if (!wrb) {
1017 mutex_unlock(&ctrl->mbox_lock);
1018 return 0;
1019 }
1020
1021 nonemb_cmd = &phba->boot_struct.nonemb_cmd;
1022 nonemb_cmd->size = sizeof(struct be_cmd_get_session_resp);
1023 nonemb_cmd->va = dma_alloc_coherent(&phba->ctrl.pdev->dev,
1024 nonemb_cmd->size,
1025 &nonemb_cmd->dma,
1026 GFP_KERNEL);
1027 if (!nonemb_cmd->va) {
1028 mutex_unlock(&ctrl->mbox_lock);
1029 return 0;
1030 }
1031
1032 req = nonemb_cmd->va;
1033 memset(req, 0, sizeof(*req));
1034 sge = nonembedded_sgl(wrb);
1035 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
1036 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1037 OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
1038 sizeof(struct be_cmd_get_session_resp));
1039 req->session_handle = phba->boot_struct.s_handle;
1040 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
1041 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
1042 sge->len = cpu_to_le32(nonemb_cmd->size);
1043
1044 phba->boot_struct.tag = tag;
1045 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
1046 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
1047
1048 be_mcc_notify(phba, tag);
1049 mutex_unlock(&ctrl->mbox_lock);
1050 return tag;
1051}
1052
1053unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async)
1054{
1055 struct be_ctrl_info *ctrl = &phba->ctrl;
1056 struct be_mcc_wrb *wrb;
1057 struct be_cmd_get_boot_target_req *req;
1058 unsigned int tag;
1059
1060 mutex_lock(&ctrl->mbox_lock);
1061 wrb = alloc_mcc_wrb(phba, &tag);
1062 if (!wrb) {
1063 mutex_unlock(&ctrl->mbox_lock);
1064 return 0;
1065 }
1066
1067 req = embedded_payload(wrb);
1068 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
1069 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1070 OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET,
1071 sizeof(struct be_cmd_get_boot_target_resp));
1072
1073 if (async) {
1074 phba->boot_struct.tag = tag;
1075 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state);
1076 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl;
1077 }
1078
1079 be_mcc_notify(phba, tag);
1080 mutex_unlock(&ctrl->mbox_lock);
1081 return tag;
1082}
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094int beiscsi_boot_get_shandle(struct beiscsi_hba *phba, unsigned int *s_handle)
1095{
1096 struct be_cmd_get_boot_target_resp *boot_resp;
1097 struct be_mcc_wrb *wrb;
1098 unsigned int tag;
1099 int rc;
1100
1101 *s_handle = BE_BOOT_INVALID_SHANDLE;
1102
1103 tag = __beiscsi_boot_get_shandle(phba, 0);
1104 if (!tag) {
1105 beiscsi_log(phba, KERN_ERR,
1106 BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT,
1107 "BG_%d : Getting Boot Target Info Failed\n");
1108 return -EAGAIN;
1109 }
1110
1111 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
1112 if (rc) {
1113 beiscsi_log(phba, KERN_ERR,
1114 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
1115 "BG_%d : MBX CMD get_boot_target Failed\n");
1116 return -EBUSY;
1117 }
1118
1119 boot_resp = embedded_payload(wrb);
1120
1121 if (!boot_resp->boot_session_count) {
1122 __beiscsi_log(phba, KERN_INFO,
1123 "BG_%d : No boot targets configured\n");
1124 return -ENXIO;
1125 }
1126
1127
1128 *s_handle = boot_resp->boot_session_handle;
1129 return 1;
1130}
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141ssize_t
1142beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
1143 char *buf)
1144{
1145 return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
1146}
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157ssize_t
1158beiscsi_fw_ver_disp(struct device *dev, struct device_attribute *attr,
1159 char *buf)
1160{
1161 struct Scsi_Host *shost = class_to_shost(dev);
1162 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1163
1164 return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str);
1165}
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176ssize_t
1177beiscsi_active_session_disp(struct device *dev, struct device_attribute *attr,
1178 char *buf)
1179{
1180 struct Scsi_Host *shost = class_to_shost(dev);
1181 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1182 uint16_t avlbl_cids = 0, ulp_num, len = 0, total_cids = 0;
1183
1184 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
1185 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) {
1186 avlbl_cids = BEISCSI_ULP_AVLBL_CID(phba, ulp_num);
1187 total_cids = BEISCSI_GET_CID_COUNT(phba, ulp_num);
1188 len += scnprintf(buf+len, PAGE_SIZE - len,
1189 "ULP%d : %d\n", ulp_num,
1190 (total_cids - avlbl_cids));
1191 } else
1192 len += scnprintf(buf+len, PAGE_SIZE - len,
1193 "ULP%d : %d\n", ulp_num, 0);
1194 }
1195
1196 return len;
1197}
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208ssize_t
1209beiscsi_free_session_disp(struct device *dev, struct device_attribute *attr,
1210 char *buf)
1211{
1212 struct Scsi_Host *shost = class_to_shost(dev);
1213 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1214 uint16_t ulp_num, len = 0;
1215
1216 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
1217 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported))
1218 len += scnprintf(buf+len, PAGE_SIZE - len,
1219 "ULP%d : %d\n", ulp_num,
1220 BEISCSI_ULP_AVLBL_CID(phba, ulp_num));
1221 else
1222 len += scnprintf(buf+len, PAGE_SIZE - len,
1223 "ULP%d : %d\n", ulp_num, 0);
1224 }
1225
1226 return len;
1227}
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238ssize_t
1239beiscsi_adap_family_disp(struct device *dev, struct device_attribute *attr,
1240 char *buf)
1241{
1242 uint16_t dev_id = 0;
1243 struct Scsi_Host *shost = class_to_shost(dev);
1244 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1245
1246 dev_id = phba->pcidev->device;
1247 switch (dev_id) {
1248 case BE_DEVICE_ID1:
1249 case OC_DEVICE_ID1:
1250 case OC_DEVICE_ID2:
1251 return snprintf(buf, PAGE_SIZE,
1252 "Obsolete/Unsupported BE2 Adapter Family\n");
1253 case BE_DEVICE_ID2:
1254 case OC_DEVICE_ID3:
1255 return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n");
1256 case OC_SKH_ID1:
1257 return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n");
1258 default:
1259 return snprintf(buf, PAGE_SIZE,
1260 "Unknown Adapter Family: 0x%x\n", dev_id);
1261 }
1262}
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273ssize_t
1274beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr,
1275 char *buf)
1276{
1277 struct Scsi_Host *shost = class_to_shost(dev);
1278 struct beiscsi_hba *phba = iscsi_host_priv(shost);
1279
1280 return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
1281 phba->fw_config.phys_port);
1282}
1283
1284void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
1285 struct wrb_handle *pwrb_handle,
1286 struct be_mem_descriptor *mem_descr,
1287 struct hwi_wrb_context *pwrb_context)
1288{
1289 struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1290
1291 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1292 max_send_data_segment_length, pwrb,
1293 params->dw[offsetof(struct amap_beiscsi_offload_params,
1294 max_send_data_segment_length) / 32]);
1295 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
1296 BE_TGT_CTX_UPDT_CMD);
1297 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1298 first_burst_length,
1299 pwrb,
1300 params->dw[offsetof(struct amap_beiscsi_offload_params,
1301 first_burst_length) / 32]);
1302 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
1303 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1304 erl) / 32] & OFFLD_PARAMS_ERL));
1305 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
1306 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1307 dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1308 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
1309 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1310 hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1311 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
1312 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1313 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1314 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
1315 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1316 imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1317 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
1318 pwrb,
1319 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1320 exp_statsn) / 32] + 1));
1321 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
1322 pwrb, pwrb_handle->wrb_index);
1323
1324 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1325 max_burst_length, pwrb, params->dw[offsetof
1326 (struct amap_beiscsi_offload_params,
1327 max_burst_length) / 32]);
1328
1329 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
1330 pwrb, pwrb_handle->wrb_index);
1331 if (pwrb_context->plast_wrb)
1332 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1333 ptr2nextwrb,
1334 pwrb_context->plast_wrb,
1335 pwrb_handle->wrb_index);
1336 pwrb_context->plast_wrb = pwrb;
1337
1338 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1339 session_state, pwrb, 0);
1340 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
1341 pwrb, 1);
1342 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
1343 pwrb, 0);
1344 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
1345 0);
1346
1347 mem_descr += ISCSI_MEM_GLOBAL_HEADER;
1348 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1349 pad_buffer_addr_hi, pwrb,
1350 mem_descr->mem_array[0].bus_address.u.a32.address_hi);
1351 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
1352 pad_buffer_addr_lo, pwrb,
1353 mem_descr->mem_array[0].bus_address.u.a32.address_lo);
1354}
1355
1356void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
1357 struct wrb_handle *pwrb_handle,
1358 struct hwi_wrb_context *pwrb_context)
1359{
1360 struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
1361
1362 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1363 max_burst_length, pwrb, params->dw[offsetof
1364 (struct amap_beiscsi_offload_params,
1365 max_burst_length) / 32]);
1366 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1367 type, pwrb,
1368 BE_TGT_CTX_UPDT_CMD);
1369 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1370 ptr2nextwrb,
1371 pwrb, pwrb_handle->wrb_index);
1372 if (pwrb_context->plast_wrb)
1373 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1374 ptr2nextwrb,
1375 pwrb_context->plast_wrb,
1376 pwrb_handle->wrb_index);
1377 pwrb_context->plast_wrb = pwrb;
1378
1379 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
1380 pwrb, pwrb_handle->wrb_index);
1381 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1382 max_send_data_segment_length, pwrb,
1383 params->dw[offsetof(struct amap_beiscsi_offload_params,
1384 max_send_data_segment_length) / 32]);
1385 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1386 first_burst_length, pwrb,
1387 params->dw[offsetof(struct amap_beiscsi_offload_params,
1388 first_burst_length) / 32]);
1389 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1390 max_recv_dataseg_len, pwrb,
1391 params->dw[offsetof(struct amap_beiscsi_offload_params,
1392 max_recv_data_segment_length) / 32]);
1393 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1394 max_cxns, pwrb, BEISCSI_MAX_CXNS);
1395 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
1396 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1397 erl) / 32] & OFFLD_PARAMS_ERL));
1398 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
1399 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1400 dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
1401 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
1402 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1403 hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
1404 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1405 ir2t, pwrb,
1406 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1407 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
1408 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
1409 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1410 imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
1411 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1412 data_seq_inorder,
1413 pwrb,
1414 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1415 data_seq_inorder) / 32] &
1416 OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
1417 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
1418 pdu_seq_inorder,
1419 pwrb,
1420 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1421 pdu_seq_inorder) / 32] &
1422 OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
1423 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
1424 pwrb,
1425 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1426 max_r2t) / 32] &
1427 OFFLD_PARAMS_MAX_R2T) >> 8);
1428 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
1429 pwrb,
1430 (params->dw[offsetof(struct amap_beiscsi_offload_params,
1431 exp_statsn) / 32] + 1));
1432}
1433
1434unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba,
1435 struct beiscsi_endpoint *beiscsi_ep)
1436{
1437 struct be_invalidate_connection_params_in *req;
1438 struct be_ctrl_info *ctrl = &phba->ctrl;
1439 struct be_mcc_wrb *wrb;
1440 unsigned int tag = 0;
1441
1442 mutex_lock(&ctrl->mbox_lock);
1443 wrb = alloc_mcc_wrb(phba, &tag);
1444 if (!wrb) {
1445 mutex_unlock(&ctrl->mbox_lock);
1446 return 0;
1447 }
1448
1449 req = embedded_payload(wrb);
1450 be_wrb_hdr_prepare(wrb, sizeof(union be_invalidate_connection_params),
1451 true, 0);
1452 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
1453 OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION,
1454 sizeof(*req));
1455 req->session_handle = beiscsi_ep->fw_handle;
1456 req->cid = beiscsi_ep->ep_cid;
1457 if (beiscsi_ep->conn)
1458 req->cleanup_type = BE_CLEANUP_TYPE_INVALIDATE;
1459 else
1460 req->cleanup_type = BE_CLEANUP_TYPE_ISSUE_TCP_RST;
1461
1462
1463
1464
1465 req->save_cfg = 0;
1466 be_mcc_notify(phba, tag);
1467 mutex_unlock(&ctrl->mbox_lock);
1468 return tag;
1469}
1470
1471unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba,
1472 struct beiscsi_endpoint *beiscsi_ep)
1473{
1474 struct be_ctrl_info *ctrl = &phba->ctrl;
1475 struct be_mcc_wrb *wrb;
1476 struct be_tcp_upload_params_in *req;
1477 unsigned int tag;
1478
1479 mutex_lock(&ctrl->mbox_lock);
1480 wrb = alloc_mcc_wrb(phba, &tag);
1481 if (!wrb) {
1482 mutex_unlock(&ctrl->mbox_lock);
1483 return 0;
1484 }
1485
1486 req = embedded_payload(wrb);
1487 be_wrb_hdr_prepare(wrb, sizeof(union be_tcp_upload_params), true, 0);
1488 be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD,
1489 OPCODE_COMMON_TCP_UPLOAD, sizeof(*req));
1490 req->id = beiscsi_ep->ep_cid;
1491 if (beiscsi_ep->conn)
1492 req->upload_type = BE_UPLOAD_TYPE_GRACEFUL;
1493 else
1494 req->upload_type = BE_UPLOAD_TYPE_ABORT;
1495 be_mcc_notify(phba, tag);
1496 mutex_unlock(&ctrl->mbox_lock);
1497 return tag;
1498}
1499
1500int beiscsi_mgmt_invalidate_icds(struct beiscsi_hba *phba,
1501 struct invldt_cmd_tbl *inv_tbl,
1502 unsigned int nents)
1503{
1504 struct be_ctrl_info *ctrl = &phba->ctrl;
1505 struct invldt_cmds_params_in *req;
1506 struct be_dma_mem nonemb_cmd;
1507 struct be_mcc_wrb *wrb;
1508 unsigned int i, tag;
1509 struct be_sge *sge;
1510 int rc;
1511
1512 if (!nents || nents > BE_INVLDT_CMD_TBL_SZ)
1513 return -EINVAL;
1514
1515 nonemb_cmd.size = sizeof(union be_invldt_cmds_params);
1516 nonemb_cmd.va = dma_alloc_coherent(&phba->ctrl.pdev->dev,
1517 nonemb_cmd.size, &nonemb_cmd.dma,
1518 GFP_KERNEL);
1519 if (!nonemb_cmd.va) {
1520 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_EH,
1521 "BM_%d : invldt_cmds_params alloc failed\n");
1522 return -ENOMEM;
1523 }
1524
1525 mutex_lock(&ctrl->mbox_lock);
1526 wrb = alloc_mcc_wrb(phba, &tag);
1527 if (!wrb) {
1528 mutex_unlock(&ctrl->mbox_lock);
1529 dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
1530 nonemb_cmd.va, nonemb_cmd.dma);
1531 return -ENOMEM;
1532 }
1533
1534 req = nonemb_cmd.va;
1535 be_wrb_hdr_prepare(wrb, nonemb_cmd.size, false, 1);
1536 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
1537 OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS,
1538 sizeof(*req));
1539 req->ref_handle = 0;
1540 req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
1541 for (i = 0; i < nents; i++) {
1542 req->table[i].icd = inv_tbl[i].icd;
1543 req->table[i].cid = inv_tbl[i].cid;
1544 req->icd_count++;
1545 }
1546 sge = nonembedded_sgl(wrb);
1547 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
1548 sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd.dma));
1549 sge->len = cpu_to_le32(nonemb_cmd.size);
1550
1551 be_mcc_notify(phba, tag);
1552 mutex_unlock(&ctrl->mbox_lock);
1553
1554 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
1555 if (rc != -EBUSY)
1556 dma_free_coherent(&phba->ctrl.pdev->dev, nonemb_cmd.size,
1557 nonemb_cmd.va, nonemb_cmd.dma);
1558 return rc;
1559}
1560
