1 /* 2 * This file is part of the Emulex Linux Device Driver for Enterprise iSCSI 3 * Host Bus Adapters. Refer to the README file included with this package 4 * for driver version and adapter compatibility. 5 * 6 * Copyright (c) 2018 Broadcom. All Rights Reserved. 7 * The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of version 2 of the GNU General Public License as published 11 * by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful. ALL EXPRESS 14 * OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY 15 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, 16 * OR NON-INFRINGEMENT, ARE DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH 17 * DISCLAIMERS ARE HELD TO BE LEGALLY INVALID. 18 * See the GNU General Public License for more details, a copy of which 19 * can be found in the file COPYING included with this package. 20 * 21 * Contact Information: 22 * linux-drivers@broadcom.com 23 * 24 */ 25 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 33 unsigned 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 98 /** 99 * mgmt_open_connection()- Establish a TCP CXN 100 * @dst_addr: Destination Address 101 * @beiscsi_ep: ptr to device endpoint struct 102 * @nonemb_cmd: ptr to memory allocated for command 103 * 104 * return 105 * Success: Tag number of the MBX Command issued 106 * Failure: Error code 107 **/ 108 int mgmt_open_connection(struct beiscsi_hba *phba, 109 struct sockaddr *dst_addr, 110 struct beiscsi_endpoint *beiscsi_ep, 111 struct be_dma_mem *nonemb_cmd) 112 { 113 struct hwi_controller *phwi_ctrlr; 114 struct hwi_context_memory *phwi_context; 115 struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr; 116 struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr; 117 struct be_ctrl_info *ctrl = &phba->ctrl; 118 struct be_mcc_wrb *wrb; 119 struct tcp_connect_and_offload_in_v1 *req; 120 unsigned short def_hdr_id; 121 unsigned short def_data_id; 122 struct phys_addr template_address = { 0, 0 }; 123 struct phys_addr *ptemplate_address; 124 unsigned int tag = 0; 125 unsigned int i, ulp_num; 126 unsigned short cid = beiscsi_ep->ep_cid; 127 struct be_sge *sge; 128 129 if (dst_addr->sa_family != PF_INET && dst_addr->sa_family != PF_INET6) { 130 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG, 131 "BG_%d : unknown addr family %d\n", 132 dst_addr->sa_family); 133 return 0; 134 } 135 136 phwi_ctrlr = phba->phwi_ctrlr; 137 phwi_context = phwi_ctrlr->phwi_ctxt; 138 139 ulp_num = phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(cid)].ulp_num; 140 141 def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba, ulp_num); 142 def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba, ulp_num); 143 144 ptemplate_address = &template_address; 145 ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address); 146 if (mutex_lock_interruptible(&ctrl->mbox_lock)) 147 return 0; 148 wrb = alloc_mcc_wrb(phba, &tag); 149 if (!wrb) { 150 mutex_unlock(&ctrl->mbox_lock); 151 return 0; 152 } 153 154 sge = nonembedded_sgl(wrb); 155 req = nonemb_cmd->va; 156 memset(req, 0, sizeof(*req)); 157 158 be_wrb_hdr_prepare(wrb, nonemb_cmd->size, false, 1); 159 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, 160 OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD, 161 nonemb_cmd->size); 162 if (dst_addr->sa_family == PF_INET) { 163 __be32 s_addr = daddr_in->sin_addr.s_addr; 164 req->ip_address.ip_type = BEISCSI_IP_TYPE_V4; 165 req->ip_address.addr[0] = s_addr & 0x000000ff; 166 req->ip_address.addr[1] = (s_addr & 0x0000ff00) >> 8; 167 req->ip_address.addr[2] = (s_addr & 0x00ff0000) >> 16; 168 req->ip_address.addr[3] = (s_addr & 0xff000000) >> 24; 169 req->tcp_port = ntohs(daddr_in->sin_port); 170 beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr; 171 beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port); 172 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V4; 173 } else { 174 /* else its PF_INET6 family */ 175 req->ip_address.ip_type = BEISCSI_IP_TYPE_V6; 176 memcpy(&req->ip_address.addr, 177 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); 178 req->tcp_port = ntohs(daddr_in6->sin6_port); 179 beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port); 180 memcpy(&beiscsi_ep->dst6_addr, 181 &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); 182 beiscsi_ep->ip_type = BEISCSI_IP_TYPE_V6; 183 } 184 req->cid = cid; 185 i = phba->nxt_cqid++; 186 if (phba->nxt_cqid == phba->num_cpus) 187 phba->nxt_cqid = 0; 188 req->cq_id = phwi_context->be_cq[i].id; 189 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG, 190 "BG_%d : i=%d cq_id=%d\n", i, req->cq_id); 191 req->defq_id = def_hdr_id; 192 req->hdr_ring_id = def_hdr_id; 193 req->data_ring_id = def_data_id; 194 req->do_offload = 1; 195 req->dataout_template_pa.lo = ptemplate_address->lo; 196 req->dataout_template_pa.hi = ptemplate_address->hi; 197 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); 198 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); 199 sge->len = cpu_to_le32(nonemb_cmd->size); 200 201 if (!is_chip_be2_be3r(phba)) { 202 req->hdr.version = MBX_CMD_VER1; 203 req->tcp_window_size = 0x8000; 204 req->tcp_window_scale_count = 2; 205 } 206 207 be_mcc_notify(phba, tag); 208 mutex_unlock(&ctrl->mbox_lock); 209 return tag; 210 } 211 212 /* 213 * beiscsi_exec_nemb_cmd()- execute non-embedded MBX cmd 214 * @phba: driver priv structure 215 * @nonemb_cmd: DMA address of the MBX command to be issued 216 * @cbfn: callback func on MCC completion 217 * @resp_buf: buffer to copy the MBX cmd response 218 * @resp_buf_len: response length to be copied 219 * 220 **/ 221 static int beiscsi_exec_nemb_cmd(struct beiscsi_hba *phba, 222 struct be_dma_mem *nonemb_cmd, 223 void (*cbfn)(struct beiscsi_hba *, 224 unsigned int), 225 void *resp_buf, u32 resp_buf_len) 226 { 227 struct be_ctrl_info *ctrl = &phba->ctrl; 228 struct be_mcc_wrb *wrb; 229 struct be_sge *sge; 230 unsigned int tag; 231 int rc = 0; 232 233 mutex_lock(&ctrl->mbox_lock); 234 wrb = alloc_mcc_wrb(phba, &tag); 235 if (!wrb) { 236 mutex_unlock(&ctrl->mbox_lock); 237 rc = -ENOMEM; 238 goto free_cmd; 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 /* store DMA mem to be freed in callback */ 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 /* with cbfn set, its async cmd, don't wait */ 263 if (cbfn) 264 return 0; 265 266 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, nonemb_cmd); 267 268 /* copy the response, if any */ 269 if (resp_buf) 270 memcpy(resp_buf, nonemb_cmd->va, resp_buf_len); 271 /** 272 * This is special case of NTWK_GET_IF_INFO where the size of 273 * response is not known. beiscsi_if_get_info checks the return 274 * value to free DMA buffer. 275 */ 276 if (rc == -EAGAIN) 277 return rc; 278 279 /** 280 * If FW is busy that is driver timed out, DMA buffer is saved with 281 * the tag, only when the cmd completes this buffer is freed. 282 */ 283 if (rc == -EBUSY) 284 return rc; 285 286 free_cmd: 287 pci_free_consistent(ctrl->pdev, nonemb_cmd->size, 288 nonemb_cmd->va, nonemb_cmd->dma); 289 return rc; 290 } 291 292 static int beiscsi_prep_nemb_cmd(struct beiscsi_hba *phba, 293 struct be_dma_mem *cmd, 294 u8 subsystem, u8 opcode, u32 size) 295 { 296 cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma); 297 if (!cmd->va) { 298 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG, 299 "BG_%d : Failed to allocate memory for if info\n"); 300 return -ENOMEM; 301 } 302 cmd->size = size; 303 be_cmd_hdr_prepare(cmd->va, subsystem, opcode, size); 304 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG, 305 "BG_%d : subsystem %u cmd %u size %u\n", 306 subsystem, opcode, size); 307 return 0; 308 } 309 310 static void __beiscsi_eq_delay_compl(struct beiscsi_hba *phba, unsigned int tag) 311 { 312 struct be_dma_mem *tag_mem; 313 314 /* status is ignored */ 315 __beiscsi_mcc_compl_status(phba, tag, NULL, NULL); 316 tag_mem = &phba->ctrl.ptag_state[tag].tag_mem_state; 317 if (tag_mem->size) { 318 pci_free_consistent(phba->pcidev, tag_mem->size, 319 tag_mem->va, tag_mem->dma); 320 tag_mem->size = 0; 321 } 322 } 323 324 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba, 325 struct be_set_eqd *set_eqd, int num) 326 { 327 struct be_cmd_req_modify_eq_delay *req; 328 struct be_dma_mem nonemb_cmd; 329 int i, rc; 330 331 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_COMMON, 332 OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req)); 333 if (rc) 334 return rc; 335 336 req = nonemb_cmd.va; 337 req->num_eq = cpu_to_le32(num); 338 for (i = 0; i < num; i++) { 339 req->delay[i].eq_id = cpu_to_le32(set_eqd[i].eq_id); 340 req->delay[i].phase = 0; 341 req->delay[i].delay_multiplier = 342 cpu_to_le32(set_eqd[i].delay_multiplier); 343 } 344 345 return beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, 346 __beiscsi_eq_delay_compl, NULL, 0); 347 } 348 349 /** 350 * beiscsi_get_initiator_name - read initiator name from flash 351 * @phba: device priv structure 352 * @name: buffer pointer 353 * @cfg: fetch user configured 354 * 355 */ 356 int beiscsi_get_initiator_name(struct beiscsi_hba *phba, char *name, bool cfg) 357 { 358 struct be_dma_mem nonemb_cmd; 359 struct be_cmd_hba_name resp; 360 struct be_cmd_hba_name *req; 361 int rc; 362 363 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI_INI, 364 OPCODE_ISCSI_INI_CFG_GET_HBA_NAME, sizeof(resp)); 365 if (rc) 366 return rc; 367 368 req = nonemb_cmd.va; 369 if (cfg) 370 req->hdr.version = 1; 371 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, 372 &resp, sizeof(resp)); 373 if (rc) { 374 beiscsi_log(phba, KERN_ERR, 375 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, 376 "BS_%d : Initiator Name MBX Failed\n"); 377 return rc; 378 } 379 rc = sprintf(name, "%s\n", resp.initiator_name); 380 return rc; 381 } 382 383 unsigned int beiscsi_if_get_handle(struct beiscsi_hba *phba) 384 { 385 struct be_ctrl_info *ctrl = &phba->ctrl; 386 struct be_mcc_wrb *wrb; 387 struct be_cmd_get_all_if_id_req *req; 388 struct be_cmd_get_all_if_id_req *pbe_allid; 389 unsigned int tag; 390 int status = 0; 391 392 if (mutex_lock_interruptible(&ctrl->mbox_lock)) 393 return -EINTR; 394 wrb = alloc_mcc_wrb(phba, &tag); 395 if (!wrb) { 396 mutex_unlock(&ctrl->mbox_lock); 397 return -ENOMEM; 398 } 399 400 req = embedded_payload(wrb); 401 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); 402 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, 403 OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID, 404 sizeof(*req)); 405 be_mcc_notify(phba, tag); 406 mutex_unlock(&ctrl->mbox_lock); 407 408 status = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL); 409 if (status) { 410 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 411 "BG_%d : %s failed: %d\n", __func__, status); 412 return -EBUSY; 413 } 414 415 pbe_allid = embedded_payload(wrb); 416 /* we now support only one interface per function */ 417 phba->interface_handle = pbe_allid->if_hndl_list[0]; 418 419 return status; 420 } 421 422 static inline bool beiscsi_if_zero_ip(u8 *ip, u32 ip_type) 423 { 424 u32 len; 425 426 len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN; 427 while (len && !ip[len - 1]) 428 len--; 429 return (len == 0); 430 } 431 432 static int beiscsi_if_mod_gw(struct beiscsi_hba *phba, 433 u32 action, u32 ip_type, u8 *gw) 434 { 435 struct be_cmd_set_def_gateway_req *req; 436 struct be_dma_mem nonemb_cmd; 437 int rt_val; 438 439 rt_val = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 440 OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY, 441 sizeof(*req)); 442 if (rt_val) 443 return rt_val; 444 445 req = nonemb_cmd.va; 446 req->action = action; 447 req->ip_addr.ip_type = ip_type; 448 memcpy(req->ip_addr.addr, gw, 449 (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN); 450 return beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0); 451 } 452 453 int beiscsi_if_set_gw(struct beiscsi_hba *phba, u32 ip_type, u8 *gw) 454 { 455 struct be_cmd_get_def_gateway_resp gw_resp; 456 int rt_val; 457 458 memset(&gw_resp, 0, sizeof(gw_resp)); 459 rt_val = beiscsi_if_get_gw(phba, ip_type, &gw_resp); 460 if (rt_val) { 461 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 462 "BG_%d : Failed to Get Gateway Addr\n"); 463 return rt_val; 464 } 465 466 if (!beiscsi_if_zero_ip(gw_resp.ip_addr.addr, ip_type)) { 467 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_DEL, ip_type, 468 gw_resp.ip_addr.addr); 469 if (rt_val) { 470 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 471 "BG_%d : Failed to clear Gateway Addr Set\n"); 472 return rt_val; 473 } 474 } 475 476 rt_val = beiscsi_if_mod_gw(phba, IP_ACTION_ADD, ip_type, gw); 477 if (rt_val) 478 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 479 "BG_%d : Failed to Set Gateway Addr\n"); 480 481 return rt_val; 482 } 483 484 int beiscsi_if_get_gw(struct beiscsi_hba *phba, u32 ip_type, 485 struct be_cmd_get_def_gateway_resp *resp) 486 { 487 struct be_cmd_get_def_gateway_req *req; 488 struct be_dma_mem nonemb_cmd; 489 int rc; 490 491 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 492 OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY, 493 sizeof(*resp)); 494 if (rc) 495 return rc; 496 497 req = nonemb_cmd.va; 498 req->ip_type = ip_type; 499 500 return beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, 501 resp, sizeof(*resp)); 502 } 503 504 static int 505 beiscsi_if_clr_ip(struct beiscsi_hba *phba, 506 struct be_cmd_get_if_info_resp *if_info) 507 { 508 struct be_cmd_set_ip_addr_req *req; 509 struct be_dma_mem nonemb_cmd; 510 int rc; 511 512 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 513 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR, 514 sizeof(*req)); 515 if (rc) 516 return rc; 517 518 req = nonemb_cmd.va; 519 req->ip_params.record_entry_count = 1; 520 req->ip_params.ip_record.action = IP_ACTION_DEL; 521 req->ip_params.ip_record.interface_hndl = 522 phba->interface_handle; 523 req->ip_params.ip_record.ip_addr.size_of_structure = 524 sizeof(struct be_ip_addr_subnet_format); 525 req->ip_params.ip_record.ip_addr.ip_type = if_info->ip_addr.ip_type; 526 memcpy(req->ip_params.ip_record.ip_addr.addr, 527 if_info->ip_addr.addr, 528 sizeof(if_info->ip_addr.addr)); 529 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask, 530 if_info->ip_addr.subnet_mask, 531 sizeof(if_info->ip_addr.subnet_mask)); 532 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0); 533 if (rc < 0 || req->ip_params.ip_record.status) { 534 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG, 535 "BG_%d : failed to clear IP: rc %d status %d\n", 536 rc, req->ip_params.ip_record.status); 537 } 538 return rc; 539 } 540 541 static int 542 beiscsi_if_set_ip(struct beiscsi_hba *phba, u8 *ip, 543 u8 *subnet, u32 ip_type) 544 { 545 struct be_cmd_set_ip_addr_req *req; 546 struct be_dma_mem nonemb_cmd; 547 uint32_t ip_len; 548 int rc; 549 550 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 551 OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR, 552 sizeof(*req)); 553 if (rc) 554 return rc; 555 556 req = nonemb_cmd.va; 557 req->ip_params.record_entry_count = 1; 558 req->ip_params.ip_record.action = IP_ACTION_ADD; 559 req->ip_params.ip_record.interface_hndl = 560 phba->interface_handle; 561 req->ip_params.ip_record.ip_addr.size_of_structure = 562 sizeof(struct be_ip_addr_subnet_format); 563 req->ip_params.ip_record.ip_addr.ip_type = ip_type; 564 ip_len = (ip_type < BEISCSI_IP_TYPE_V6) ? IP_V4_LEN : IP_V6_LEN; 565 memcpy(req->ip_params.ip_record.ip_addr.addr, ip, ip_len); 566 if (subnet) 567 memcpy(req->ip_params.ip_record.ip_addr.subnet_mask, 568 subnet, ip_len); 569 570 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0); 571 /** 572 * In some cases, host needs to look into individual record status 573 * even though FW reported success for that IOCTL. 574 */ 575 if (rc < 0 || req->ip_params.ip_record.status) { 576 __beiscsi_log(phba, KERN_ERR, 577 "BG_%d : failed to set IP: rc %d status %d\n", 578 rc, req->ip_params.ip_record.status); 579 if (req->ip_params.ip_record.status) 580 rc = -EINVAL; 581 } 582 return rc; 583 } 584 585 int beiscsi_if_en_static(struct beiscsi_hba *phba, u32 ip_type, 586 u8 *ip, u8 *subnet) 587 { 588 struct be_cmd_get_if_info_resp *if_info; 589 struct be_cmd_rel_dhcp_req *reldhcp; 590 struct be_dma_mem nonemb_cmd; 591 int rc; 592 593 rc = beiscsi_if_get_info(phba, ip_type, &if_info); 594 if (rc) 595 return rc; 596 597 if (if_info->dhcp_state) { 598 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, 599 CMD_SUBSYSTEM_ISCSI, 600 OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR, 601 sizeof(*reldhcp)); 602 if (rc) 603 goto exit; 604 605 reldhcp = nonemb_cmd.va; 606 reldhcp->interface_hndl = phba->interface_handle; 607 reldhcp->ip_type = ip_type; 608 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0); 609 if (rc < 0) { 610 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 611 "BG_%d : failed to release existing DHCP: %d\n", 612 rc); 613 goto exit; 614 } 615 } 616 617 /* first delete any IP set */ 618 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) { 619 rc = beiscsi_if_clr_ip(phba, if_info); 620 if (rc) 621 goto exit; 622 } 623 624 /* if ip == NULL then this is called just to release DHCP IP */ 625 if (ip) 626 rc = beiscsi_if_set_ip(phba, ip, subnet, ip_type); 627 exit: 628 kfree(if_info); 629 return rc; 630 } 631 632 int beiscsi_if_en_dhcp(struct beiscsi_hba *phba, u32 ip_type) 633 { 634 struct be_cmd_get_def_gateway_resp gw_resp; 635 struct be_cmd_get_if_info_resp *if_info; 636 struct be_cmd_set_dhcp_req *dhcpreq; 637 struct be_dma_mem nonemb_cmd; 638 u8 *gw; 639 int rc; 640 641 rc = beiscsi_if_get_info(phba, ip_type, &if_info); 642 if (rc) 643 return rc; 644 645 if (if_info->dhcp_state) { 646 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 647 "BG_%d : DHCP Already Enabled\n"); 648 goto exit; 649 } 650 651 /* first delete any IP set */ 652 if (!beiscsi_if_zero_ip(if_info->ip_addr.addr, ip_type)) { 653 rc = beiscsi_if_clr_ip(phba, if_info); 654 if (rc) 655 goto exit; 656 } 657 658 /* delete gateway settings if mode change is to DHCP */ 659 memset(&gw_resp, 0, sizeof(gw_resp)); 660 /* use ip_type provided in if_info */ 661 rc = beiscsi_if_get_gw(phba, if_info->ip_addr.ip_type, &gw_resp); 662 if (rc) { 663 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 664 "BG_%d : Failed to Get Gateway Addr\n"); 665 goto exit; 666 } 667 gw = (u8 *)&gw_resp.ip_addr.addr; 668 if (!beiscsi_if_zero_ip(gw, if_info->ip_addr.ip_type)) { 669 rc = beiscsi_if_mod_gw(phba, IP_ACTION_DEL, 670 if_info->ip_addr.ip_type, gw); 671 if (rc) { 672 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG, 673 "BG_%d : Failed to clear Gateway Addr Set\n"); 674 goto exit; 675 } 676 } 677 678 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 679 OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR, 680 sizeof(*dhcpreq)); 681 if (rc) 682 goto exit; 683 684 dhcpreq = nonemb_cmd.va; 685 dhcpreq->flags = 1; /* 1 - blocking; 0 - non-blocking */ 686 dhcpreq->retry_count = 1; 687 dhcpreq->interface_hndl = phba->interface_handle; 688 dhcpreq->ip_type = ip_type; 689 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, NULL, 0); 690 691 exit: 692 kfree(if_info); 693 return rc; 694 } 695 696 /** 697 * beiscsi_if_set_vlan()- Issue and wait for CMD completion 698 * @phba: device private structure instance 699 * @vlan_tag: VLAN tag 700 * 701 * Issue the MBX Cmd and wait for the completion of the 702 * command. 703 * 704 * returns 705 * Success: 0 706 * Failure: Non-Xero Value 707 **/ 708 int beiscsi_if_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag) 709 { 710 int rc; 711 unsigned int tag; 712 713 tag = be_cmd_set_vlan(phba, vlan_tag); 714 if (!tag) { 715 beiscsi_log(phba, KERN_ERR, 716 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX), 717 "BG_%d : VLAN Setting Failed\n"); 718 return -EBUSY; 719 } 720 721 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL); 722 if (rc) { 723 beiscsi_log(phba, KERN_ERR, 724 (BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX), 725 "BS_%d : VLAN MBX Cmd Failed\n"); 726 return rc; 727 } 728 return rc; 729 } 730 731 732 int beiscsi_if_get_info(struct beiscsi_hba *phba, int ip_type, 733 struct be_cmd_get_if_info_resp **if_info) 734 { 735 struct be_cmd_get_if_info_req *req; 736 struct be_dma_mem nonemb_cmd; 737 uint32_t ioctl_size = sizeof(struct be_cmd_get_if_info_resp); 738 int rc; 739 740 rc = beiscsi_if_get_handle(phba); 741 if (rc) 742 return rc; 743 744 do { 745 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, 746 CMD_SUBSYSTEM_ISCSI, 747 OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO, 748 ioctl_size); 749 if (rc) 750 return rc; 751 752 req = nonemb_cmd.va; 753 req->interface_hndl = phba->interface_handle; 754 req->ip_type = ip_type; 755 756 /* Allocate memory for if_info */ 757 *if_info = kzalloc(ioctl_size, GFP_KERNEL); 758 if (!*if_info) { 759 beiscsi_log(phba, KERN_ERR, 760 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG, 761 "BG_%d : Memory Allocation Failure\n"); 762 763 /* Free the DMA memory for the IOCTL issuing */ 764 pci_free_consistent(phba->ctrl.pdev, 765 nonemb_cmd.size, 766 nonemb_cmd.va, 767 nonemb_cmd.dma); 768 return -ENOMEM; 769 } 770 771 rc = beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, *if_info, 772 ioctl_size); 773 774 /* Check if the error is because of Insufficent_Buffer */ 775 if (rc == -EAGAIN) { 776 777 /* Get the new memory size */ 778 ioctl_size = ((struct be_cmd_resp_hdr *) 779 nonemb_cmd.va)->actual_resp_len; 780 ioctl_size += sizeof(struct be_cmd_req_hdr); 781 782 /* Free the previous allocated DMA memory */ 783 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size, 784 nonemb_cmd.va, 785 nonemb_cmd.dma); 786 787 /* Free the virtual memory */ 788 kfree(*if_info); 789 } else 790 break; 791 } while (true); 792 return rc; 793 } 794 795 int mgmt_get_nic_conf(struct beiscsi_hba *phba, 796 struct be_cmd_get_nic_conf_resp *nic) 797 { 798 struct be_dma_mem nonemb_cmd; 799 int rc; 800 801 rc = beiscsi_prep_nemb_cmd(phba, &nonemb_cmd, CMD_SUBSYSTEM_ISCSI, 802 OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG, 803 sizeof(*nic)); 804 if (rc) 805 return rc; 806 807 return beiscsi_exec_nemb_cmd(phba, &nonemb_cmd, NULL, 808 nic, sizeof(*nic)); 809 } 810 811 static void beiscsi_boot_process_compl(struct beiscsi_hba *phba, 812 unsigned int tag) 813 { 814 struct be_cmd_get_boot_target_resp *boot_resp; 815 struct be_cmd_resp_logout_fw_sess *logo_resp; 816 struct be_cmd_get_session_resp *sess_resp; 817 struct be_mcc_wrb *wrb; 818 struct boot_struct *bs; 819 int boot_work, status; 820 821 if (!test_bit(BEISCSI_HBA_BOOT_WORK, &phba->state)) { 822 __beiscsi_log(phba, KERN_ERR, 823 "BG_%d : %s no boot work %lx\n", 824 __func__, phba->state); 825 return; 826 } 827 828 if (phba->boot_struct.tag != tag) { 829 __beiscsi_log(phba, KERN_ERR, 830 "BG_%d : %s tag mismatch %d:%d\n", 831 __func__, tag, phba->boot_struct.tag); 832 return; 833 } 834 bs = &phba->boot_struct; 835 boot_work = 1; 836 status = 0; 837 switch (bs->action) { 838 case BEISCSI_BOOT_REOPEN_SESS: 839 status = __beiscsi_mcc_compl_status(phba, tag, NULL, NULL); 840 if (!status) 841 bs->action = BEISCSI_BOOT_GET_SHANDLE; 842 else 843 bs->retry--; 844 break; 845 case BEISCSI_BOOT_GET_SHANDLE: 846 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL); 847 if (!status) { 848 boot_resp = embedded_payload(wrb); 849 bs->s_handle = boot_resp->boot_session_handle; 850 } 851 if (bs->s_handle == BE_BOOT_INVALID_SHANDLE) { 852 bs->action = BEISCSI_BOOT_REOPEN_SESS; 853 bs->retry--; 854 } else { 855 bs->action = BEISCSI_BOOT_GET_SINFO; 856 } 857 break; 858 case BEISCSI_BOOT_GET_SINFO: 859 status = __beiscsi_mcc_compl_status(phba, tag, NULL, 860 &bs->nonemb_cmd); 861 if (!status) { 862 sess_resp = bs->nonemb_cmd.va; 863 memcpy(&bs->boot_sess, &sess_resp->session_info, 864 sizeof(struct mgmt_session_info)); 865 bs->action = BEISCSI_BOOT_LOGOUT_SESS; 866 } else { 867 __beiscsi_log(phba, KERN_ERR, 868 "BG_%d : get boot session info error : 0x%x\n", 869 status); 870 boot_work = 0; 871 } 872 pci_free_consistent(phba->ctrl.pdev, bs->nonemb_cmd.size, 873 bs->nonemb_cmd.va, bs->nonemb_cmd.dma); 874 bs->nonemb_cmd.va = NULL; 875 break; 876 case BEISCSI_BOOT_LOGOUT_SESS: 877 status = __beiscsi_mcc_compl_status(phba, tag, &wrb, NULL); 878 if (!status) { 879 logo_resp = embedded_payload(wrb); 880 if (logo_resp->session_status != BE_SESS_STATUS_CLOSE) { 881 __beiscsi_log(phba, KERN_ERR, 882 "BG_%d : FW boot session logout error : 0x%x\n", 883 logo_resp->session_status); 884 } 885 } 886 /* continue to create boot_kset even if logout failed? */ 887 bs->action = BEISCSI_BOOT_CREATE_KSET; 888 break; 889 default: 890 break; 891 } 892 893 /* clear the tag so no other completion matches this tag */ 894 bs->tag = 0; 895 if (!bs->retry) { 896 boot_work = 0; 897 __beiscsi_log(phba, KERN_ERR, 898 "BG_%d : failed to setup boot target: status %d action %d\n", 899 status, bs->action); 900 } 901 if (!boot_work) { 902 /* wait for next event to start boot_work */ 903 clear_bit(BEISCSI_HBA_BOOT_WORK, &phba->state); 904 return; 905 } 906 schedule_work(&phba->boot_work); 907 } 908 909 /** 910 * beiscsi_boot_logout_sess()- Logout from boot FW session 911 * @phba: Device priv structure instance 912 * 913 * return 914 * the TAG used for MBOX Command 915 * 916 */ 917 unsigned int beiscsi_boot_logout_sess(struct beiscsi_hba *phba) 918 { 919 struct be_ctrl_info *ctrl = &phba->ctrl; 920 struct be_mcc_wrb *wrb; 921 struct be_cmd_req_logout_fw_sess *req; 922 unsigned int tag; 923 924 mutex_lock(&ctrl->mbox_lock); 925 wrb = alloc_mcc_wrb(phba, &tag); 926 if (!wrb) { 927 mutex_unlock(&ctrl->mbox_lock); 928 return 0; 929 } 930 931 req = embedded_payload(wrb); 932 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); 933 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, 934 OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET, 935 sizeof(struct be_cmd_req_logout_fw_sess)); 936 /* Use the session handle copied into boot_sess */ 937 req->session_handle = phba->boot_struct.boot_sess.session_handle; 938 939 phba->boot_struct.tag = tag; 940 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state); 941 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl; 942 943 be_mcc_notify(phba, tag); 944 mutex_unlock(&ctrl->mbox_lock); 945 946 return tag; 947 } 948 /** 949 * beiscsi_boot_reopen_sess()- Reopen boot session 950 * @phba: Device priv structure instance 951 * 952 * return 953 * the TAG used for MBOX Command 954 * 955 **/ 956 unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba) 957 { 958 struct be_ctrl_info *ctrl = &phba->ctrl; 959 struct be_mcc_wrb *wrb; 960 struct be_cmd_reopen_session_req *req; 961 unsigned int tag; 962 963 mutex_lock(&ctrl->mbox_lock); 964 wrb = alloc_mcc_wrb(phba, &tag); 965 if (!wrb) { 966 mutex_unlock(&ctrl->mbox_lock); 967 return 0; 968 } 969 970 req = embedded_payload(wrb); 971 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); 972 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, 973 OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS, 974 sizeof(struct be_cmd_reopen_session_resp)); 975 req->reopen_type = BE_REOPEN_BOOT_SESSIONS; 976 req->session_handle = BE_BOOT_INVALID_SHANDLE; 977 978 phba->boot_struct.tag = tag; 979 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state); 980 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl; 981 982 be_mcc_notify(phba, tag); 983 mutex_unlock(&ctrl->mbox_lock); 984 return tag; 985 } 986 987 988 /** 989 * beiscsi_boot_get_sinfo()- Get boot session info 990 * @phba: device priv structure instance 991 * 992 * Fetches the boot_struct.s_handle info from FW. 993 * return 994 * the TAG used for MBOX Command 995 * 996 **/ 997 unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba) 998 { 999 struct be_ctrl_info *ctrl = &phba->ctrl; 1000 struct be_cmd_get_session_req *req; 1001 struct be_dma_mem *nonemb_cmd; 1002 struct be_mcc_wrb *wrb; 1003 struct be_sge *sge; 1004 unsigned int tag; 1005 1006 mutex_lock(&ctrl->mbox_lock); 1007 wrb = alloc_mcc_wrb(phba, &tag); 1008 if (!wrb) { 1009 mutex_unlock(&ctrl->mbox_lock); 1010 return 0; 1011 } 1012 1013 nonemb_cmd = &phba->boot_struct.nonemb_cmd; 1014 nonemb_cmd->size = sizeof(struct be_cmd_get_session_resp); 1015 nonemb_cmd->va = pci_alloc_consistent(phba->ctrl.pdev, 1016 nonemb_cmd->size, 1017 &nonemb_cmd->dma); 1018 if (!nonemb_cmd->va) { 1019 mutex_unlock(&ctrl->mbox_lock); 1020 return 0; 1021 } 1022 1023 req = nonemb_cmd->va; 1024 memset(req, 0, sizeof(*req)); 1025 sge = nonembedded_sgl(wrb); 1026 be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); 1027 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, 1028 OPCODE_ISCSI_INI_SESSION_GET_A_SESSION, 1029 sizeof(struct be_cmd_get_session_resp)); 1030 req->session_handle = phba->boot_struct.s_handle; 1031 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); 1032 sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); 1033 sge->len = cpu_to_le32(nonemb_cmd->size); 1034 1035 phba->boot_struct.tag = tag; 1036 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state); 1037 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl; 1038 1039 be_mcc_notify(phba, tag); 1040 mutex_unlock(&ctrl->mbox_lock); 1041 return tag; 1042 } 1043 1044 unsigned int __beiscsi_boot_get_shandle(struct beiscsi_hba *phba, int async) 1045 { 1046 struct be_ctrl_info *ctrl = &phba->ctrl; 1047 struct be_mcc_wrb *wrb; 1048 struct be_cmd_get_boot_target_req *req; 1049 unsigned int tag; 1050 1051 mutex_lock(&ctrl->mbox_lock); 1052 wrb = alloc_mcc_wrb(phba, &tag); 1053 if (!wrb) { 1054 mutex_unlock(&ctrl->mbox_lock); 1055 return 0; 1056 } 1057 1058 req = embedded_payload(wrb); 1059 be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); 1060 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, 1061 OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET, 1062 sizeof(struct be_cmd_get_boot_target_resp)); 1063 1064 if (async) { 1065 phba->boot_struct.tag = tag; 1066 set_bit(MCC_TAG_STATE_ASYNC, &ctrl->ptag_state[tag].tag_state); 1067 ctrl->ptag_state[tag].cbfn = beiscsi_boot_process_compl; 1068 } 1069 1070 be_mcc_notify(phba, tag); 1071 mutex_unlock(&ctrl->mbox_lock); 1072 return tag; 1073 } 1074 1075 /** 1076 * beiscsi_boot_get_shandle()- Get boot session handle 1077 * @phba: device priv structure instance 1078 * @s_handle: session handle returned for boot session. 1079 * 1080 * return 1081 * Success: 1 1082 * Failure: negative 1083 * 1084 **/ 1085 int beiscsi_boot_get_shandle(struct beiscsi_hba *phba, unsigned int *s_handle) 1086 { 1087 struct be_cmd_get_boot_target_resp *boot_resp; 1088 struct be_mcc_wrb *wrb; 1089 unsigned int tag; 1090 int rc; 1091 1092 *s_handle = BE_BOOT_INVALID_SHANDLE; 1093 /* get configured boot session count and handle */ 1094 tag = __beiscsi_boot_get_shandle(phba, 0); 1095 if (!tag) { 1096 beiscsi_log(phba, KERN_ERR, 1097 BEISCSI_LOG_CONFIG | BEISCSI_LOG_INIT, 1098 "BG_%d : Getting Boot Target Info Failed\n"); 1099 return -EAGAIN; 1100 } 1101 1102 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL); 1103 if (rc) { 1104 beiscsi_log(phba, KERN_ERR, 1105 BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG, 1106 "BG_%d : MBX CMD get_boot_target Failed\n"); 1107 return -EBUSY; 1108 } 1109 1110 boot_resp = embedded_payload(wrb); 1111 /* check if there are any boot targets configured */ 1112 if (!boot_resp->boot_session_count) { 1113 __beiscsi_log(phba, KERN_INFO, 1114 "BG_%d : No boot targets configured\n"); 1115 return -ENXIO; 1116 } 1117 1118 /* only if FW has logged in to the boot target, s_handle is valid */ 1119 *s_handle = boot_resp->boot_session_handle; 1120 return 1; 1121 } 1122 1123 /** 1124 * beiscsi_drvr_ver_disp()- Display the driver Name and Version 1125 * @dev: ptr to device not used. 1126 * @attr: device attribute, not used. 1127 * @buf: contains formatted text driver name and version 1128 * 1129 * return 1130 * size of the formatted string 1131 **/ 1132 ssize_t 1133 beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr, 1134 char *buf) 1135 { 1136 return snprintf(buf, PAGE_SIZE, BE_NAME "\n"); 1137 } 1138 1139 /** 1140 * beiscsi_fw_ver_disp()- Display Firmware Version 1141 * @dev: ptr to device not used. 1142 * @attr: device attribute, not used. 1143 * @buf: contains formatted text Firmware version 1144 * 1145 * return 1146 * size of the formatted string 1147 **/ 1148 ssize_t 1149 beiscsi_fw_ver_disp(struct device *dev, struct device_attribute *attr, 1150 char *buf) 1151 { 1152 struct Scsi_Host *shost = class_to_shost(dev); 1153 struct beiscsi_hba *phba = iscsi_host_priv(shost); 1154 1155 return snprintf(buf, PAGE_SIZE, "%s\n", phba->fw_ver_str); 1156 } 1157 1158 /** 1159 * beiscsi_active_session_disp()- Display Sessions Active 1160 * @dev: ptr to device not used. 1161 * @attr: device attribute, not used. 1162 * @buf: contains formatted text Session Count 1163 * 1164 * return 1165 * size of the formatted string 1166 **/ 1167 ssize_t 1168 beiscsi_active_session_disp(struct device *dev, struct device_attribute *attr, 1169 char *buf) 1170 { 1171 struct Scsi_Host *shost = class_to_shost(dev); 1172 struct beiscsi_hba *phba = iscsi_host_priv(shost); 1173 uint16_t avlbl_cids = 0, ulp_num, len = 0, total_cids = 0; 1174 1175 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) { 1176 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) { 1177 avlbl_cids = BEISCSI_ULP_AVLBL_CID(phba, ulp_num); 1178 total_cids = BEISCSI_GET_CID_COUNT(phba, ulp_num); 1179 len += snprintf(buf+len, PAGE_SIZE - len, 1180 "ULP%d : %d\n", ulp_num, 1181 (total_cids - avlbl_cids)); 1182 } else 1183 len += snprintf(buf+len, PAGE_SIZE - len, 1184 "ULP%d : %d\n", ulp_num, 0); 1185 } 1186 1187 return len; 1188 } 1189 1190 /** 1191 * beiscsi_free_session_disp()- Display Avaliable Session 1192 * @dev: ptr to device not used. 1193 * @attr: device attribute, not used. 1194 * @buf: contains formatted text Session Count 1195 * 1196 * return 1197 * size of the formatted string 1198 **/ 1199 ssize_t 1200 beiscsi_free_session_disp(struct device *dev, struct device_attribute *attr, 1201 char *buf) 1202 { 1203 struct Scsi_Host *shost = class_to_shost(dev); 1204 struct beiscsi_hba *phba = iscsi_host_priv(shost); 1205 uint16_t ulp_num, len = 0; 1206 1207 for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) { 1208 if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) 1209 len += snprintf(buf+len, PAGE_SIZE - len, 1210 "ULP%d : %d\n", ulp_num, 1211 BEISCSI_ULP_AVLBL_CID(phba, ulp_num)); 1212 else 1213 len += snprintf(buf+len, PAGE_SIZE - len, 1214 "ULP%d : %d\n", ulp_num, 0); 1215 } 1216 1217 return len; 1218 } 1219 1220 /** 1221 * beiscsi_adap_family_disp()- Display adapter family. 1222 * @dev: ptr to device to get priv structure 1223 * @attr: device attribute, not used. 1224 * @buf: contains formatted text driver name and version 1225 * 1226 * return 1227 * size of the formatted string 1228 **/ 1229 ssize_t 1230 beiscsi_adap_family_disp(struct device *dev, struct device_attribute *attr, 1231 char *buf) 1232 { 1233 uint16_t dev_id = 0; 1234 struct Scsi_Host *shost = class_to_shost(dev); 1235 struct beiscsi_hba *phba = iscsi_host_priv(shost); 1236 1237 dev_id = phba->pcidev->device; 1238 switch (dev_id) { 1239 case BE_DEVICE_ID1: 1240 case OC_DEVICE_ID1: 1241 case OC_DEVICE_ID2: 1242 return snprintf(buf, PAGE_SIZE, 1243 "Obsolete/Unsupported BE2 Adapter Family\n"); 1244 break; 1245 case BE_DEVICE_ID2: 1246 case OC_DEVICE_ID3: 1247 return snprintf(buf, PAGE_SIZE, "BE3-R Adapter Family\n"); 1248 break; 1249 case OC_SKH_ID1: 1250 return snprintf(buf, PAGE_SIZE, "Skyhawk-R Adapter Family\n"); 1251 break; 1252 default: 1253 return snprintf(buf, PAGE_SIZE, 1254 "Unknown Adapter Family: 0x%x\n", dev_id); 1255 break; 1256 } 1257 } 1258 1259 /** 1260 * beiscsi_phys_port()- Display Physical Port Identifier 1261 * @dev: ptr to device not used. 1262 * @attr: device attribute, not used. 1263 * @buf: contains formatted text port identifier 1264 * 1265 * return 1266 * size of the formatted string 1267 **/ 1268 ssize_t 1269 beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr, 1270 char *buf) 1271 { 1272 struct Scsi_Host *shost = class_to_shost(dev); 1273 struct beiscsi_hba *phba = iscsi_host_priv(shost); 1274 1275 return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n", 1276 phba->fw_config.phys_port); 1277 } 1278 1279 void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params, 1280 struct wrb_handle *pwrb_handle, 1281 struct be_mem_descriptor *mem_descr, 1282 struct hwi_wrb_context *pwrb_context) 1283 { 1284 struct iscsi_wrb *pwrb = pwrb_handle->pwrb; 1285 1286 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1287 max_send_data_segment_length, pwrb, 1288 params->dw[offsetof(struct amap_beiscsi_offload_params, 1289 max_send_data_segment_length) / 32]); 1290 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb, 1291 BE_TGT_CTX_UPDT_CMD); 1292 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1293 first_burst_length, 1294 pwrb, 1295 params->dw[offsetof(struct amap_beiscsi_offload_params, 1296 first_burst_length) / 32]); 1297 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb, 1298 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1299 erl) / 32] & OFFLD_PARAMS_ERL)); 1300 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb, 1301 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1302 dde) / 32] & OFFLD_PARAMS_DDE) >> 2); 1303 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb, 1304 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1305 hde) / 32] & OFFLD_PARAMS_HDE) >> 3); 1306 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb, 1307 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1308 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4); 1309 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb, 1310 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1311 imd) / 32] & OFFLD_PARAMS_IMD) >> 5); 1312 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn, 1313 pwrb, 1314 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1315 exp_statsn) / 32] + 1)); 1316 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx, 1317 pwrb, pwrb_handle->wrb_index); 1318 1319 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1320 max_burst_length, pwrb, params->dw[offsetof 1321 (struct amap_beiscsi_offload_params, 1322 max_burst_length) / 32]); 1323 1324 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb, 1325 pwrb, pwrb_handle->wrb_index); 1326 if (pwrb_context->plast_wrb) 1327 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1328 ptr2nextwrb, 1329 pwrb_context->plast_wrb, 1330 pwrb_handle->wrb_index); 1331 pwrb_context->plast_wrb = pwrb; 1332 1333 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1334 session_state, pwrb, 0); 1335 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack, 1336 pwrb, 1); 1337 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq, 1338 pwrb, 0); 1339 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb, 1340 0); 1341 1342 mem_descr += ISCSI_MEM_GLOBAL_HEADER; 1343 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1344 pad_buffer_addr_hi, pwrb, 1345 mem_descr->mem_array[0].bus_address.u.a32.address_hi); 1346 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, 1347 pad_buffer_addr_lo, pwrb, 1348 mem_descr->mem_array[0].bus_address.u.a32.address_lo); 1349 } 1350 1351 void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params, 1352 struct wrb_handle *pwrb_handle, 1353 struct hwi_wrb_context *pwrb_context) 1354 { 1355 struct iscsi_wrb *pwrb = pwrb_handle->pwrb; 1356 1357 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1358 max_burst_length, pwrb, params->dw[offsetof 1359 (struct amap_beiscsi_offload_params, 1360 max_burst_length) / 32]); 1361 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1362 type, pwrb, 1363 BE_TGT_CTX_UPDT_CMD); 1364 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1365 ptr2nextwrb, 1366 pwrb, pwrb_handle->wrb_index); 1367 if (pwrb_context->plast_wrb) 1368 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1369 ptr2nextwrb, 1370 pwrb_context->plast_wrb, 1371 pwrb_handle->wrb_index); 1372 pwrb_context->plast_wrb = pwrb; 1373 1374 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx, 1375 pwrb, pwrb_handle->wrb_index); 1376 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1377 max_send_data_segment_length, pwrb, 1378 params->dw[offsetof(struct amap_beiscsi_offload_params, 1379 max_send_data_segment_length) / 32]); 1380 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1381 first_burst_length, pwrb, 1382 params->dw[offsetof(struct amap_beiscsi_offload_params, 1383 first_burst_length) / 32]); 1384 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1385 max_recv_dataseg_len, pwrb, 1386 params->dw[offsetof(struct amap_beiscsi_offload_params, 1387 max_recv_data_segment_length) / 32]); 1388 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1389 max_cxns, pwrb, BEISCSI_MAX_CXNS); 1390 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb, 1391 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1392 erl) / 32] & OFFLD_PARAMS_ERL)); 1393 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb, 1394 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1395 dde) / 32] & OFFLD_PARAMS_DDE) >> 2); 1396 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb, 1397 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1398 hde) / 32] & OFFLD_PARAMS_HDE) >> 3); 1399 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1400 ir2t, pwrb, 1401 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1402 ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4); 1403 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb, 1404 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1405 imd) / 32] & OFFLD_PARAMS_IMD) >> 5); 1406 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1407 data_seq_inorder, 1408 pwrb, 1409 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1410 data_seq_inorder) / 32] & 1411 OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6); 1412 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, 1413 pdu_seq_inorder, 1414 pwrb, 1415 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1416 pdu_seq_inorder) / 32] & 1417 OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7); 1418 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t, 1419 pwrb, 1420 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1421 max_r2t) / 32] & 1422 OFFLD_PARAMS_MAX_R2T) >> 8); 1423 AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn, 1424 pwrb, 1425 (params->dw[offsetof(struct amap_beiscsi_offload_params, 1426 exp_statsn) / 32] + 1)); 1427 } 1428 1429 unsigned int beiscsi_invalidate_cxn(struct beiscsi_hba *phba, 1430 struct beiscsi_endpoint *beiscsi_ep) 1431 { 1432 struct be_invalidate_connection_params_in *req; 1433 struct be_ctrl_info *ctrl = &phba->ctrl; 1434 struct be_mcc_wrb *wrb; 1435 unsigned int tag = 0; 1436 1437 mutex_lock(&ctrl->mbox_lock); 1438 wrb = alloc_mcc_wrb(phba, &tag); 1439 if (!wrb) { 1440 mutex_unlock(&ctrl->mbox_lock); 1441 return 0; 1442 } 1443 1444 req = embedded_payload(wrb); 1445 be_wrb_hdr_prepare(wrb, sizeof(union be_invalidate_connection_params), 1446 true, 0); 1447 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, 1448 OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION, 1449 sizeof(*req)); 1450 req->session_handle = beiscsi_ep->fw_handle; 1451 req->cid = beiscsi_ep->ep_cid; 1452 if (beiscsi_ep->conn) 1453 req->cleanup_type = BE_CLEANUP_TYPE_INVALIDATE; 1454 else 1455 req->cleanup_type = BE_CLEANUP_TYPE_ISSUE_TCP_RST; 1456 /** 1457 * 0 - non-persistent targets 1458 * 1 - save session info on flash 1459 */ 1460 req->save_cfg = 0; 1461 be_mcc_notify(phba, tag); 1462 mutex_unlock(&ctrl->mbox_lock); 1463 return tag; 1464 } 1465 1466 unsigned int beiscsi_upload_cxn(struct beiscsi_hba *phba, 1467 struct beiscsi_endpoint *beiscsi_ep) 1468 { 1469 struct be_ctrl_info *ctrl = &phba->ctrl; 1470 struct be_mcc_wrb *wrb; 1471 struct be_tcp_upload_params_in *req; 1472 unsigned int tag; 1473 1474 mutex_lock(&ctrl->mbox_lock); 1475 wrb = alloc_mcc_wrb(phba, &tag); 1476 if (!wrb) { 1477 mutex_unlock(&ctrl->mbox_lock); 1478 return 0; 1479 } 1480 1481 req = embedded_payload(wrb); 1482 be_wrb_hdr_prepare(wrb, sizeof(union be_tcp_upload_params), true, 0); 1483 be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD, 1484 OPCODE_COMMON_TCP_UPLOAD, sizeof(*req)); 1485 req->id = beiscsi_ep->ep_cid; 1486 if (beiscsi_ep->conn) 1487 req->upload_type = BE_UPLOAD_TYPE_GRACEFUL; 1488 else 1489 req->upload_type = BE_UPLOAD_TYPE_ABORT; 1490 be_mcc_notify(phba, tag); 1491 mutex_unlock(&ctrl->mbox_lock); 1492 return tag; 1493 } 1494 1495 int beiscsi_mgmt_invalidate_icds(struct beiscsi_hba *phba, 1496 struct invldt_cmd_tbl *inv_tbl, 1497 unsigned int nents) 1498 { 1499 struct be_ctrl_info *ctrl = &phba->ctrl; 1500 struct invldt_cmds_params_in *req; 1501 struct be_dma_mem nonemb_cmd; 1502 struct be_mcc_wrb *wrb; 1503 unsigned int i, tag; 1504 struct be_sge *sge; 1505 int rc; 1506 1507 if (!nents || nents > BE_INVLDT_CMD_TBL_SZ) 1508 return -EINVAL; 1509 1510 nonemb_cmd.size = sizeof(union be_invldt_cmds_params); 1511 nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev, 1512 nonemb_cmd.size, 1513 &nonemb_cmd.dma); 1514 if (!nonemb_cmd.va) { 1515 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_EH, 1516 "BM_%d : invldt_cmds_params alloc failed\n"); 1517 return -ENOMEM; 1518 } 1519 1520 mutex_lock(&ctrl->mbox_lock); 1521 wrb = alloc_mcc_wrb(phba, &tag); 1522 if (!wrb) { 1523 mutex_unlock(&ctrl->mbox_lock); 1524 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size, 1525 nonemb_cmd.va, nonemb_cmd.dma); 1526 return -ENOMEM; 1527 } 1528 1529 req = nonemb_cmd.va; 1530 be_wrb_hdr_prepare(wrb, nonemb_cmd.size, false, 1); 1531 be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, 1532 OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS, 1533 sizeof(*req)); 1534 req->ref_handle = 0; 1535 req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE; 1536 for (i = 0; i < nents; i++) { 1537 req->table[i].icd = inv_tbl[i].icd; 1538 req->table[i].cid = inv_tbl[i].cid; 1539 req->icd_count++; 1540 } 1541 sge = nonembedded_sgl(wrb); 1542 sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma)); 1543 sge->pa_lo = cpu_to_le32(lower_32_bits(nonemb_cmd.dma)); 1544 sge->len = cpu_to_le32(nonemb_cmd.size); 1545 1546 be_mcc_notify(phba, tag); 1547 mutex_unlock(&ctrl->mbox_lock); 1548 1549 rc = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd); 1550 if (rc != -EBUSY) 1551 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size, 1552 nonemb_cmd.va, nonemb_cmd.dma); 1553 return rc; 1554 } 1555