/drivers/scsi/qla4xxx/ql4_bsg.c
C | 873 lines | 705 code | 138 blank | 30 comment | 108 complexity | 679644c8a19d39cdfde1694cc21c10e0 MD5 | raw file
1/* 2 * QLogic iSCSI HBA Driver 3 * Copyright (c) 2011-2013 QLogic Corporation 4 * 5 * See LICENSE.qla4xxx for copyright and licensing details. 6 */ 7 8#include "ql4_def.h" 9#include "ql4_glbl.h" 10#include "ql4_bsg.h" 11 12static int 13qla4xxx_read_flash(struct bsg_job *bsg_job) 14{ 15 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 16 struct scsi_qla_host *ha = to_qla_host(host); 17 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 18 struct iscsi_bsg_request *bsg_req = bsg_job->request; 19 uint32_t offset = 0; 20 uint32_t length = 0; 21 dma_addr_t flash_dma; 22 uint8_t *flash = NULL; 23 int rval = -EINVAL; 24 25 bsg_reply->reply_payload_rcv_len = 0; 26 27 if (unlikely(pci_channel_offline(ha->pdev))) 28 goto leave; 29 30 if (ql4xxx_reset_active(ha)) { 31 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 32 rval = -EBUSY; 33 goto leave; 34 } 35 36 if (ha->flash_state != QLFLASH_WAITING) { 37 ql4_printk(KERN_ERR, ha, "%s: another flash operation " 38 "active\n", __func__); 39 rval = -EBUSY; 40 goto leave; 41 } 42 43 ha->flash_state = QLFLASH_READING; 44 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 45 length = bsg_job->reply_payload.payload_len; 46 47 flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma, 48 GFP_KERNEL); 49 if (!flash) { 50 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " 51 "data\n", __func__); 52 rval = -ENOMEM; 53 goto leave; 54 } 55 56 rval = qla4xxx_get_flash(ha, flash_dma, offset, length); 57 if (rval) { 58 ql4_printk(KERN_ERR, ha, "%s: get flash failed\n", __func__); 59 bsg_reply->result = DID_ERROR << 16; 60 rval = -EIO; 61 } else { 62 bsg_reply->reply_payload_rcv_len = 63 sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 64 bsg_job->reply_payload.sg_cnt, 65 flash, length); 66 bsg_reply->result = DID_OK << 16; 67 } 68 69 bsg_job_done(bsg_job, bsg_reply->result, 70 bsg_reply->reply_payload_rcv_len); 71 dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma); 72leave: 73 ha->flash_state = QLFLASH_WAITING; 74 return rval; 75} 76 77static int 78qla4xxx_update_flash(struct bsg_job *bsg_job) 79{ 80 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 81 struct scsi_qla_host *ha = to_qla_host(host); 82 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 83 struct iscsi_bsg_request *bsg_req = bsg_job->request; 84 uint32_t length = 0; 85 uint32_t offset = 0; 86 uint32_t options = 0; 87 dma_addr_t flash_dma; 88 uint8_t *flash = NULL; 89 int rval = -EINVAL; 90 91 bsg_reply->reply_payload_rcv_len = 0; 92 93 if (unlikely(pci_channel_offline(ha->pdev))) 94 goto leave; 95 96 if (ql4xxx_reset_active(ha)) { 97 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 98 rval = -EBUSY; 99 goto leave; 100 } 101 102 if (ha->flash_state != QLFLASH_WAITING) { 103 ql4_printk(KERN_ERR, ha, "%s: another flash operation " 104 "active\n", __func__); 105 rval = -EBUSY; 106 goto leave; 107 } 108 109 ha->flash_state = QLFLASH_WRITING; 110 length = bsg_job->request_payload.payload_len; 111 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 112 options = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; 113 114 flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma, 115 GFP_KERNEL); 116 if (!flash) { 117 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " 118 "data\n", __func__); 119 rval = -ENOMEM; 120 goto leave; 121 } 122 123 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 124 bsg_job->request_payload.sg_cnt, flash, length); 125 126 rval = qla4xxx_set_flash(ha, flash_dma, offset, length, options); 127 if (rval) { 128 ql4_printk(KERN_ERR, ha, "%s: set flash failed\n", __func__); 129 bsg_reply->result = DID_ERROR << 16; 130 rval = -EIO; 131 } else 132 bsg_reply->result = DID_OK << 16; 133 134 bsg_job_done(bsg_job, bsg_reply->result, 135 bsg_reply->reply_payload_rcv_len); 136 dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma); 137leave: 138 ha->flash_state = QLFLASH_WAITING; 139 return rval; 140} 141 142static int 143qla4xxx_get_acb_state(struct bsg_job *bsg_job) 144{ 145 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 146 struct scsi_qla_host *ha = to_qla_host(host); 147 struct iscsi_bsg_request *bsg_req = bsg_job->request; 148 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 149 uint32_t status[MBOX_REG_COUNT]; 150 uint32_t acb_idx; 151 uint32_t ip_idx; 152 int rval = -EINVAL; 153 154 bsg_reply->reply_payload_rcv_len = 0; 155 156 if (unlikely(pci_channel_offline(ha->pdev))) 157 goto leave; 158 159 /* Only 4022 and above adapters are supported */ 160 if (is_qla4010(ha)) 161 goto leave; 162 163 if (ql4xxx_reset_active(ha)) { 164 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 165 rval = -EBUSY; 166 goto leave; 167 } 168 169 if (bsg_job->reply_payload.payload_len < sizeof(status)) { 170 ql4_printk(KERN_ERR, ha, "%s: invalid payload len %d\n", 171 __func__, bsg_job->reply_payload.payload_len); 172 rval = -EINVAL; 173 goto leave; 174 } 175 176 acb_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 177 ip_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; 178 179 rval = qla4xxx_get_ip_state(ha, acb_idx, ip_idx, status); 180 if (rval) { 181 ql4_printk(KERN_ERR, ha, "%s: get ip state failed\n", 182 __func__); 183 bsg_reply->result = DID_ERROR << 16; 184 rval = -EIO; 185 } else { 186 bsg_reply->reply_payload_rcv_len = 187 sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 188 bsg_job->reply_payload.sg_cnt, 189 status, sizeof(status)); 190 bsg_reply->result = DID_OK << 16; 191 } 192 193 bsg_job_done(bsg_job, bsg_reply->result, 194 bsg_reply->reply_payload_rcv_len); 195leave: 196 return rval; 197} 198 199static int 200qla4xxx_read_nvram(struct bsg_job *bsg_job) 201{ 202 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 203 struct scsi_qla_host *ha = to_qla_host(host); 204 struct iscsi_bsg_request *bsg_req = bsg_job->request; 205 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 206 uint32_t offset = 0; 207 uint32_t len = 0; 208 uint32_t total_len = 0; 209 dma_addr_t nvram_dma; 210 uint8_t *nvram = NULL; 211 int rval = -EINVAL; 212 213 bsg_reply->reply_payload_rcv_len = 0; 214 215 if (unlikely(pci_channel_offline(ha->pdev))) 216 goto leave; 217 218 /* Only 40xx adapters are supported */ 219 if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha))) 220 goto leave; 221 222 if (ql4xxx_reset_active(ha)) { 223 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 224 rval = -EBUSY; 225 goto leave; 226 } 227 228 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 229 len = bsg_job->reply_payload.payload_len; 230 total_len = offset + len; 231 232 /* total len should not be greater than max NVRAM size */ 233 if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) || 234 ((is_qla4022(ha) || is_qla4032(ha)) && 235 total_len > QL40X2_NVRAM_SIZE)) { 236 ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max" 237 " nvram size, offset=%d len=%d\n", 238 __func__, offset, len); 239 goto leave; 240 } 241 242 nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma, 243 GFP_KERNEL); 244 if (!nvram) { 245 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram " 246 "data\n", __func__); 247 rval = -ENOMEM; 248 goto leave; 249 } 250 251 rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len); 252 if (rval) { 253 ql4_printk(KERN_ERR, ha, "%s: get nvram failed\n", __func__); 254 bsg_reply->result = DID_ERROR << 16; 255 rval = -EIO; 256 } else { 257 bsg_reply->reply_payload_rcv_len = 258 sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 259 bsg_job->reply_payload.sg_cnt, 260 nvram, len); 261 bsg_reply->result = DID_OK << 16; 262 } 263 264 bsg_job_done(bsg_job, bsg_reply->result, 265 bsg_reply->reply_payload_rcv_len); 266 dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma); 267leave: 268 return rval; 269} 270 271static int 272qla4xxx_update_nvram(struct bsg_job *bsg_job) 273{ 274 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 275 struct scsi_qla_host *ha = to_qla_host(host); 276 struct iscsi_bsg_request *bsg_req = bsg_job->request; 277 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 278 uint32_t offset = 0; 279 uint32_t len = 0; 280 uint32_t total_len = 0; 281 dma_addr_t nvram_dma; 282 uint8_t *nvram = NULL; 283 int rval = -EINVAL; 284 285 bsg_reply->reply_payload_rcv_len = 0; 286 287 if (unlikely(pci_channel_offline(ha->pdev))) 288 goto leave; 289 290 if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha))) 291 goto leave; 292 293 if (ql4xxx_reset_active(ha)) { 294 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 295 rval = -EBUSY; 296 goto leave; 297 } 298 299 offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 300 len = bsg_job->request_payload.payload_len; 301 total_len = offset + len; 302 303 /* total len should not be greater than max NVRAM size */ 304 if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) || 305 ((is_qla4022(ha) || is_qla4032(ha)) && 306 total_len > QL40X2_NVRAM_SIZE)) { 307 ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max" 308 " nvram size, offset=%d len=%d\n", 309 __func__, offset, len); 310 goto leave; 311 } 312 313 nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma, 314 GFP_KERNEL); 315 if (!nvram) { 316 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " 317 "data\n", __func__); 318 rval = -ENOMEM; 319 goto leave; 320 } 321 322 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 323 bsg_job->request_payload.sg_cnt, nvram, len); 324 325 rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len); 326 if (rval) { 327 ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__); 328 bsg_reply->result = DID_ERROR << 16; 329 rval = -EIO; 330 } else 331 bsg_reply->result = DID_OK << 16; 332 333 bsg_job_done(bsg_job, bsg_reply->result, 334 bsg_reply->reply_payload_rcv_len); 335 dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma); 336leave: 337 return rval; 338} 339 340static int 341qla4xxx_restore_defaults(struct bsg_job *bsg_job) 342{ 343 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 344 struct scsi_qla_host *ha = to_qla_host(host); 345 struct iscsi_bsg_request *bsg_req = bsg_job->request; 346 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 347 uint32_t region = 0; 348 uint32_t field0 = 0; 349 uint32_t field1 = 0; 350 int rval = -EINVAL; 351 352 bsg_reply->reply_payload_rcv_len = 0; 353 354 if (unlikely(pci_channel_offline(ha->pdev))) 355 goto leave; 356 357 if (is_qla4010(ha)) 358 goto leave; 359 360 if (ql4xxx_reset_active(ha)) { 361 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 362 rval = -EBUSY; 363 goto leave; 364 } 365 366 region = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 367 field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; 368 field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3]; 369 370 rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1); 371 if (rval) { 372 ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__); 373 bsg_reply->result = DID_ERROR << 16; 374 rval = -EIO; 375 } else 376 bsg_reply->result = DID_OK << 16; 377 378 bsg_job_done(bsg_job, bsg_reply->result, 379 bsg_reply->reply_payload_rcv_len); 380leave: 381 return rval; 382} 383 384static int 385qla4xxx_bsg_get_acb(struct bsg_job *bsg_job) 386{ 387 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 388 struct scsi_qla_host *ha = to_qla_host(host); 389 struct iscsi_bsg_request *bsg_req = bsg_job->request; 390 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 391 uint32_t acb_type = 0; 392 uint32_t len = 0; 393 dma_addr_t acb_dma; 394 uint8_t *acb = NULL; 395 int rval = -EINVAL; 396 397 bsg_reply->reply_payload_rcv_len = 0; 398 399 if (unlikely(pci_channel_offline(ha->pdev))) 400 goto leave; 401 402 /* Only 4022 and above adapters are supported */ 403 if (is_qla4010(ha)) 404 goto leave; 405 406 if (ql4xxx_reset_active(ha)) { 407 ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); 408 rval = -EBUSY; 409 goto leave; 410 } 411 412 acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 413 len = bsg_job->reply_payload.payload_len; 414 if (len < sizeof(struct addr_ctrl_blk)) { 415 ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n", 416 __func__, len); 417 rval = -EINVAL; 418 goto leave; 419 } 420 421 acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL); 422 if (!acb) { 423 ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb " 424 "data\n", __func__); 425 rval = -ENOMEM; 426 goto leave; 427 } 428 429 rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len); 430 if (rval) { 431 ql4_printk(KERN_ERR, ha, "%s: get acb failed\n", __func__); 432 bsg_reply->result = DID_ERROR << 16; 433 rval = -EIO; 434 } else { 435 bsg_reply->reply_payload_rcv_len = 436 sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 437 bsg_job->reply_payload.sg_cnt, 438 acb, len); 439 bsg_reply->result = DID_OK << 16; 440 } 441 442 bsg_job_done(bsg_job, bsg_reply->result, 443 bsg_reply->reply_payload_rcv_len); 444 dma_free_coherent(&ha->pdev->dev, len, acb, acb_dma); 445leave: 446 return rval; 447} 448 449static void ql4xxx_execute_diag_cmd(struct bsg_job *bsg_job) 450{ 451 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 452 struct scsi_qla_host *ha = to_qla_host(host); 453 struct iscsi_bsg_request *bsg_req = bsg_job->request; 454 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 455 uint8_t *rsp_ptr = NULL; 456 uint32_t mbox_cmd[MBOX_REG_COUNT]; 457 uint32_t mbox_sts[MBOX_REG_COUNT]; 458 int status = QLA_ERROR; 459 460 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); 461 462 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 463 ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n", 464 __func__); 465 bsg_reply->result = DID_ERROR << 16; 466 goto exit_diag_mem_test; 467 } 468 469 bsg_reply->reply_payload_rcv_len = 0; 470 memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1], 471 sizeof(uint32_t) * MBOX_REG_COUNT); 472 473 DEBUG2(ql4_printk(KERN_INFO, ha, 474 "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n", 475 __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2], 476 mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6], 477 mbox_cmd[7])); 478 479 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0], 480 &mbox_sts[0]); 481 482 DEBUG2(ql4_printk(KERN_INFO, ha, 483 "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n", 484 __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2], 485 mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6], 486 mbox_sts[7])); 487 488 if (status == QLA_SUCCESS) 489 bsg_reply->result = DID_OK << 16; 490 else 491 bsg_reply->result = DID_ERROR << 16; 492 493 /* Send mbox_sts to application */ 494 bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts); 495 rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply); 496 memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts)); 497 498exit_diag_mem_test: 499 DEBUG2(ql4_printk(KERN_INFO, ha, 500 "%s: bsg_reply->result = x%x, status = %s\n", 501 __func__, bsg_reply->result, STATUS(status))); 502 503 bsg_job_done(bsg_job, bsg_reply->result, 504 bsg_reply->reply_payload_rcv_len); 505} 506 507static int qla4_83xx_wait_for_loopback_config_comp(struct scsi_qla_host *ha, 508 int wait_for_link) 509{ 510 int status = QLA_SUCCESS; 511 512 if (!wait_for_completion_timeout(&ha->idc_comp, (IDC_COMP_TOV * HZ))) { 513 ql4_printk(KERN_INFO, ha, "%s: IDC Complete notification not received, Waiting for another %d timeout", 514 __func__, ha->idc_extend_tmo); 515 if (ha->idc_extend_tmo) { 516 if (!wait_for_completion_timeout(&ha->idc_comp, 517 (ha->idc_extend_tmo * HZ))) { 518 ha->notify_idc_comp = 0; 519 ha->notify_link_up_comp = 0; 520 ql4_printk(KERN_WARNING, ha, "%s: Aborting: IDC Complete notification not received", 521 __func__); 522 status = QLA_ERROR; 523 goto exit_wait; 524 } else { 525 DEBUG2(ql4_printk(KERN_INFO, ha, 526 "%s: IDC Complete notification received\n", 527 __func__)); 528 } 529 } 530 } else { 531 DEBUG2(ql4_printk(KERN_INFO, ha, 532 "%s: IDC Complete notification received\n", 533 __func__)); 534 } 535 ha->notify_idc_comp = 0; 536 537 if (wait_for_link) { 538 if (!wait_for_completion_timeout(&ha->link_up_comp, 539 (IDC_COMP_TOV * HZ))) { 540 ha->notify_link_up_comp = 0; 541 ql4_printk(KERN_WARNING, ha, "%s: Aborting: LINK UP notification not received", 542 __func__); 543 status = QLA_ERROR; 544 goto exit_wait; 545 } else { 546 DEBUG2(ql4_printk(KERN_INFO, ha, 547 "%s: LINK UP notification received\n", 548 __func__)); 549 } 550 ha->notify_link_up_comp = 0; 551 } 552 553exit_wait: 554 return status; 555} 556 557static int qla4_83xx_pre_loopback_config(struct scsi_qla_host *ha, 558 uint32_t *mbox_cmd) 559{ 560 uint32_t config = 0; 561 int status = QLA_SUCCESS; 562 563 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); 564 565 status = qla4_83xx_get_port_config(ha, &config); 566 if (status != QLA_SUCCESS) 567 goto exit_pre_loopback_config; 568 569 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Default port config=%08X\n", 570 __func__, config)); 571 572 if ((config & ENABLE_INTERNAL_LOOPBACK) || 573 (config & ENABLE_EXTERNAL_LOOPBACK)) { 574 ql4_printk(KERN_INFO, ha, "%s: Loopback diagnostics already in progress. Invalid request\n", 575 __func__); 576 goto exit_pre_loopback_config; 577 } 578 579 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK) 580 config |= ENABLE_INTERNAL_LOOPBACK; 581 582 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK) 583 config |= ENABLE_EXTERNAL_LOOPBACK; 584 585 config &= ~ENABLE_DCBX; 586 587 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: New port config=%08X\n", 588 __func__, config)); 589 590 ha->notify_idc_comp = 1; 591 ha->notify_link_up_comp = 1; 592 593 /* get the link state */ 594 qla4xxx_get_firmware_state(ha); 595 596 status = qla4_83xx_set_port_config(ha, &config); 597 if (status != QLA_SUCCESS) { 598 ha->notify_idc_comp = 0; 599 ha->notify_link_up_comp = 0; 600 goto exit_pre_loopback_config; 601 } 602exit_pre_loopback_config: 603 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__, 604 STATUS(status))); 605 return status; 606} 607 608static int qla4_83xx_post_loopback_config(struct scsi_qla_host *ha, 609 uint32_t *mbox_cmd) 610{ 611 int status = QLA_SUCCESS; 612 uint32_t config = 0; 613 614 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); 615 616 status = qla4_83xx_get_port_config(ha, &config); 617 if (status != QLA_SUCCESS) 618 goto exit_post_loopback_config; 619 620 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: port config=%08X\n", __func__, 621 config)); 622 623 if (mbox_cmd[1] == QL_DIAG_CMD_TEST_INT_LOOPBACK) 624 config &= ~ENABLE_INTERNAL_LOOPBACK; 625 else if (mbox_cmd[1] == QL_DIAG_CMD_TEST_EXT_LOOPBACK) 626 config &= ~ENABLE_EXTERNAL_LOOPBACK; 627 628 config |= ENABLE_DCBX; 629 630 DEBUG2(ql4_printk(KERN_INFO, ha, 631 "%s: Restore default port config=%08X\n", __func__, 632 config)); 633 634 ha->notify_idc_comp = 1; 635 if (ha->addl_fw_state & FW_ADDSTATE_LINK_UP) 636 ha->notify_link_up_comp = 1; 637 638 status = qla4_83xx_set_port_config(ha, &config); 639 if (status != QLA_SUCCESS) { 640 ql4_printk(KERN_INFO, ha, "%s: Scheduling adapter reset\n", 641 __func__); 642 set_bit(DPC_RESET_HA, &ha->dpc_flags); 643 clear_bit(AF_LOOPBACK, &ha->flags); 644 goto exit_post_loopback_config; 645 } 646 647exit_post_loopback_config: 648 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: status = %s\n", __func__, 649 STATUS(status))); 650 return status; 651} 652 653static void qla4xxx_execute_diag_loopback_cmd(struct bsg_job *bsg_job) 654{ 655 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 656 struct scsi_qla_host *ha = to_qla_host(host); 657 struct iscsi_bsg_request *bsg_req = bsg_job->request; 658 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 659 uint8_t *rsp_ptr = NULL; 660 uint32_t mbox_cmd[MBOX_REG_COUNT]; 661 uint32_t mbox_sts[MBOX_REG_COUNT]; 662 int wait_for_link = 1; 663 int status = QLA_ERROR; 664 665 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); 666 667 bsg_reply->reply_payload_rcv_len = 0; 668 669 if (test_bit(AF_LOOPBACK, &ha->flags)) { 670 ql4_printk(KERN_INFO, ha, "%s: Loopback Diagnostics already in progress. Invalid Request\n", 671 __func__); 672 bsg_reply->result = DID_ERROR << 16; 673 goto exit_loopback_cmd; 674 } 675 676 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 677 ql4_printk(KERN_INFO, ha, "%s: Adapter reset in progress. Invalid Request\n", 678 __func__); 679 bsg_reply->result = DID_ERROR << 16; 680 goto exit_loopback_cmd; 681 } 682 683 memcpy(mbox_cmd, &bsg_req->rqst_data.h_vendor.vendor_cmd[1], 684 sizeof(uint32_t) * MBOX_REG_COUNT); 685 686 if (is_qla8032(ha) || is_qla8042(ha)) { 687 status = qla4_83xx_pre_loopback_config(ha, mbox_cmd); 688 if (status != QLA_SUCCESS) { 689 bsg_reply->result = DID_ERROR << 16; 690 goto exit_loopback_cmd; 691 } 692 693 status = qla4_83xx_wait_for_loopback_config_comp(ha, 694 wait_for_link); 695 if (status != QLA_SUCCESS) { 696 bsg_reply->result = DID_TIME_OUT << 16; 697 goto restore; 698 } 699 } 700 701 DEBUG2(ql4_printk(KERN_INFO, ha, 702 "%s: mbox_cmd: %08X %08X %08X %08X %08X %08X %08X %08X\n", 703 __func__, mbox_cmd[0], mbox_cmd[1], mbox_cmd[2], 704 mbox_cmd[3], mbox_cmd[4], mbox_cmd[5], mbox_cmd[6], 705 mbox_cmd[7])); 706 707 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0], 708 &mbox_sts[0]); 709 710 if (status == QLA_SUCCESS) 711 bsg_reply->result = DID_OK << 16; 712 else 713 bsg_reply->result = DID_ERROR << 16; 714 715 DEBUG2(ql4_printk(KERN_INFO, ha, 716 "%s: mbox_sts: %08X %08X %08X %08X %08X %08X %08X %08X\n", 717 __func__, mbox_sts[0], mbox_sts[1], mbox_sts[2], 718 mbox_sts[3], mbox_sts[4], mbox_sts[5], mbox_sts[6], 719 mbox_sts[7])); 720 721 /* Send mbox_sts to application */ 722 bsg_job->reply_len = sizeof(struct iscsi_bsg_reply) + sizeof(mbox_sts); 723 rsp_ptr = ((uint8_t *)bsg_reply) + sizeof(struct iscsi_bsg_reply); 724 memcpy(rsp_ptr, mbox_sts, sizeof(mbox_sts)); 725restore: 726 if (is_qla8032(ha) || is_qla8042(ha)) { 727 status = qla4_83xx_post_loopback_config(ha, mbox_cmd); 728 if (status != QLA_SUCCESS) { 729 bsg_reply->result = DID_ERROR << 16; 730 goto exit_loopback_cmd; 731 } 732 733 /* for pre_loopback_config() wait for LINK UP only 734 * if PHY LINK is UP */ 735 if (!(ha->addl_fw_state & FW_ADDSTATE_LINK_UP)) 736 wait_for_link = 0; 737 738 status = qla4_83xx_wait_for_loopback_config_comp(ha, 739 wait_for_link); 740 if (status != QLA_SUCCESS) { 741 bsg_reply->result = DID_TIME_OUT << 16; 742 goto exit_loopback_cmd; 743 } 744 } 745exit_loopback_cmd: 746 DEBUG2(ql4_printk(KERN_INFO, ha, 747 "%s: bsg_reply->result = x%x, status = %s\n", 748 __func__, bsg_reply->result, STATUS(status))); 749 bsg_job_done(bsg_job, bsg_reply->result, 750 bsg_reply->reply_payload_rcv_len); 751} 752 753static int qla4xxx_execute_diag_test(struct bsg_job *bsg_job) 754{ 755 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 756 struct scsi_qla_host *ha = to_qla_host(host); 757 struct iscsi_bsg_request *bsg_req = bsg_job->request; 758 uint32_t diag_cmd; 759 int rval = -EINVAL; 760 761 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: in\n", __func__)); 762 763 diag_cmd = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; 764 if (diag_cmd == MBOX_CMD_DIAG_TEST) { 765 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[2]) { 766 case QL_DIAG_CMD_TEST_DDR_SIZE: 767 case QL_DIAG_CMD_TEST_DDR_RW: 768 case QL_DIAG_CMD_TEST_ONCHIP_MEM_RW: 769 case QL_DIAG_CMD_TEST_NVRAM: 770 case QL_DIAG_CMD_TEST_FLASH_ROM: 771 case QL_DIAG_CMD_TEST_DMA_XFER: 772 case QL_DIAG_CMD_SELF_DDR_RW: 773 case QL_DIAG_CMD_SELF_ONCHIP_MEM_RW: 774 /* Execute diag test for adapter RAM/FLASH */ 775 ql4xxx_execute_diag_cmd(bsg_job); 776 /* Always return success as we want to sent bsg_reply 777 * to Application */ 778 rval = QLA_SUCCESS; 779 break; 780 781 case QL_DIAG_CMD_TEST_INT_LOOPBACK: 782 case QL_DIAG_CMD_TEST_EXT_LOOPBACK: 783 /* Execute diag test for Network */ 784 qla4xxx_execute_diag_loopback_cmd(bsg_job); 785 /* Always return success as we want to sent bsg_reply 786 * to Application */ 787 rval = QLA_SUCCESS; 788 break; 789 default: 790 ql4_printk(KERN_ERR, ha, "%s: Invalid diag test: 0x%x\n", 791 __func__, 792 bsg_req->rqst_data.h_vendor.vendor_cmd[2]); 793 } 794 } else if ((diag_cmd == MBOX_CMD_SET_LED_CONFIG) || 795 (diag_cmd == MBOX_CMD_GET_LED_CONFIG)) { 796 ql4xxx_execute_diag_cmd(bsg_job); 797 rval = QLA_SUCCESS; 798 } else { 799 ql4_printk(KERN_ERR, ha, "%s: Invalid diag cmd: 0x%x\n", 800 __func__, diag_cmd); 801 } 802 803 return rval; 804} 805 806/** 807 * qla4xxx_process_vendor_specific - handle vendor specific bsg request 808 * @job: iscsi_bsg_job to handle 809 **/ 810int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job) 811{ 812 struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; 813 struct iscsi_bsg_request *bsg_req = bsg_job->request; 814 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 815 struct scsi_qla_host *ha = to_qla_host(host); 816 817 switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) { 818 case QLISCSI_VND_READ_FLASH: 819 return qla4xxx_read_flash(bsg_job); 820 821 case QLISCSI_VND_UPDATE_FLASH: 822 return qla4xxx_update_flash(bsg_job); 823 824 case QLISCSI_VND_GET_ACB_STATE: 825 return qla4xxx_get_acb_state(bsg_job); 826 827 case QLISCSI_VND_READ_NVRAM: 828 return qla4xxx_read_nvram(bsg_job); 829 830 case QLISCSI_VND_UPDATE_NVRAM: 831 return qla4xxx_update_nvram(bsg_job); 832 833 case QLISCSI_VND_RESTORE_DEFAULTS: 834 return qla4xxx_restore_defaults(bsg_job); 835 836 case QLISCSI_VND_GET_ACB: 837 return qla4xxx_bsg_get_acb(bsg_job); 838 839 case QLISCSI_VND_DIAG_TEST: 840 return qla4xxx_execute_diag_test(bsg_job); 841 842 default: 843 ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: " 844 "0x%x\n", __func__, bsg_req->msgcode); 845 bsg_reply->result = (DID_ERROR << 16); 846 bsg_reply->reply_payload_rcv_len = 0; 847 bsg_job_done(bsg_job, bsg_reply->result, 848 bsg_reply->reply_payload_rcv_len); 849 return -ENOSYS; 850 } 851} 852 853/** 854 * qla4xxx_bsg_request - handle bsg request from ISCSI transport 855 * @job: iscsi_bsg_job to handle 856 */ 857int qla4xxx_bsg_request(struct bsg_job *bsg_job) 858{ 859 struct iscsi_bsg_request *bsg_req = bsg_job->request; 860 struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); 861 struct scsi_qla_host *ha = to_qla_host(host); 862 863 switch (bsg_req->msgcode) { 864 case ISCSI_BSG_HST_VENDOR: 865 return qla4xxx_process_vendor_specific(bsg_job); 866 867 default: 868 ql4_printk(KERN_ERR, ha, "%s: invalid BSG command: 0x%x\n", 869 __func__, bsg_req->msgcode); 870 } 871 872 return -ENOSYS; 873}