1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2008 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_gbl.h" 9 10 #include <linux/moduleparam.h> 11 #include <linux/vmalloc.h> 12 #include <linux/list.h> 13 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsicam.h> 16 #include <linux/delay.h> 17 18 void 19 qla2x00_vp_stop_timer(scsi_qla_host_t *vha) 20 { 21 if (vha->vp_idx && vha->timer_active) { 22 del_timer_sync(&vha->timer); 23 vha->timer_active = 0; 24 } 25 } 26 27 static uint32_t 28 qla24xx_allocate_vp_id(scsi_qla_host_t *vha) 29 { 30 uint32_t vp_id; 31 struct qla_hw_data *ha = vha->hw; 32 33 /* Find an empty slot and assign an vp_id */ 34 mutex_lock(&ha->vport_lock); 35 vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1); 36 if (vp_id > ha->max_npiv_vports) { 37 DEBUG15(printk ("vp_id %d is bigger than max-supported %d.\n", 38 vp_id, ha->max_npiv_vports)); 39 mutex_unlock(&ha->vport_lock); 40 return vp_id; 41 } 42 43 set_bit(vp_id, ha->vp_idx_map); 44 ha->num_vhosts++; 45 vha->vp_idx = vp_id; 46 list_add_tail(&vha->list, &ha->vp_list); 47 mutex_unlock(&ha->vport_lock); 48 return vp_id; 49 } 50 51 void 52 qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) 53 { 54 uint16_t vp_id; 55 struct qla_hw_data *ha = vha->hw; 56 57 mutex_lock(&ha->vport_lock); 58 vp_id = vha->vp_idx; 59 ha->num_vhosts--; 60 clear_bit(vp_id, ha->vp_idx_map); 61 list_del(&vha->list); 62 mutex_unlock(&ha->vport_lock); 63 } 64 65 static scsi_qla_host_t * 66 qla24xx_find_vhost_by_name(struct qla_hw_data *ha, uint8_t *port_name) 67 { 68 scsi_qla_host_t *vha; 69 struct scsi_qla_host *tvha; 70 71 /* Locate matching device in database. */ 72 list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { 73 if (!memcmp(port_name, vha->port_name, WWN_SIZE)) 74 return vha; 75 } 76 return NULL; 77 } 78 79 /* 80 * qla2x00_mark_vp_devices_dead 81 * Updates fcport state when device goes offline. 82 * 83 * Input: 84 * ha = adapter block pointer. 85 * fcport = port structure pointer. 86 * 87 * Return: 88 * None. 89 * 90 * Context: 91 */ 92 static void 93 qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) 94 { 95 fc_port_t *fcport; 96 97 list_for_each_entry(fcport, &vha->vp_fcports, list) { 98 DEBUG15(printk("scsi(%ld): Marking port dead, " 99 "loop_id=0x%04x :%x\n", 100 vha->host_no, fcport->loop_id, fcport->vp_idx)); 101 102 atomic_set(&fcport->state, FCS_DEVICE_DEAD); 103 qla2x00_mark_device_lost(vha, fcport, 0, 0); 104 atomic_set(&fcport->state, FCS_UNCONFIGURED); 105 } 106 } 107 108 int 109 qla24xx_disable_vp(scsi_qla_host_t *vha) 110 { 111 int ret; 112 113 ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); 114 atomic_set(&vha->loop_state, LOOP_DOWN); 115 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 116 117 qla2x00_mark_vp_devices_dead(vha); 118 atomic_set(&vha->vp_state, VP_FAILED); 119 vha->flags.management_server_logged_in = 0; 120 if (ret == QLA_SUCCESS) { 121 fc_vport_set_state(vha->fc_vport, FC_VPORT_DISABLED); 122 } else { 123 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 124 return -1; 125 } 126 return 0; 127 } 128 129 int 130 qla24xx_enable_vp(scsi_qla_host_t *vha) 131 { 132 int ret; 133 struct qla_hw_data *ha = vha->hw; 134 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 135 136 /* Check if physical ha port is Up */ 137 if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || 138 atomic_read(&base_vha->loop_state) == LOOP_DEAD) { 139 vha->vp_err_state = VP_ERR_PORTDWN; 140 fc_vport_set_state(vha->fc_vport, FC_VPORT_LINKDOWN); 141 goto enable_failed; 142 } 143 144 /* Initialize the new vport unless it is a persistent port */ 145 mutex_lock(&ha->vport_lock); 146 ret = qla24xx_modify_vp_config(vha); 147 mutex_unlock(&ha->vport_lock); 148 149 if (ret != QLA_SUCCESS) { 150 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 151 goto enable_failed; 152 } 153 154 DEBUG15(qla_printk(KERN_INFO, ha, 155 "Virtual port with id: %d - Enabled\n", vha->vp_idx)); 156 return 0; 157 158 enable_failed: 159 DEBUG15(qla_printk(KERN_INFO, ha, 160 "Virtual port with id: %d - Disabled\n", vha->vp_idx)); 161 return 1; 162 } 163 164 static void 165 qla24xx_configure_vp(scsi_qla_host_t *vha) 166 { 167 struct fc_vport *fc_vport; 168 int ret; 169 170 fc_vport = vha->fc_vport; 171 172 DEBUG15(printk("scsi(%ld): %s: change request #3 for this host.\n", 173 vha->host_no, __func__)); 174 ret = qla2x00_send_change_request(vha, 0x3, vha->vp_idx); 175 if (ret != QLA_SUCCESS) { 176 DEBUG15(qla_printk(KERN_ERR, vha->hw, "Failed to enable " 177 "receiving of RSCN requests: 0x%x\n", ret)); 178 return; 179 } else { 180 /* Corresponds to SCR enabled */ 181 clear_bit(VP_SCR_NEEDED, &vha->vp_flags); 182 } 183 184 vha->flags.online = 1; 185 if (qla24xx_configure_vhba(vha)) 186 return; 187 188 atomic_set(&vha->vp_state, VP_ACTIVE); 189 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE); 190 } 191 192 void 193 qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) 194 { 195 scsi_qla_host_t *vha, *tvha; 196 struct qla_hw_data *ha = rsp->hw; 197 int i = 0; 198 199 list_for_each_entry_safe(vha, tvha, &ha->vp_list, list) { 200 if (vha->vp_idx) { 201 switch (mb[0]) { 202 case MBA_LIP_OCCURRED: 203 case MBA_LOOP_UP: 204 case MBA_LOOP_DOWN: 205 case MBA_LIP_RESET: 206 case MBA_POINT_TO_POINT: 207 case MBA_CHG_IN_CONNECTION: 208 case MBA_PORT_UPDATE: 209 case MBA_RSCN_UPDATE: 210 DEBUG15(printk("scsi(%ld)%s: Async_event for" 211 " VP[%d], mb = 0x%x, vha=%p\n", 212 vha->host_no, __func__, i, *mb, vha)); 213 qla2x00_async_event(vha, rsp, mb); 214 break; 215 } 216 } 217 i++; 218 } 219 } 220 221 int 222 qla2x00_vp_abort_isp(scsi_qla_host_t *vha) 223 { 224 /* 225 * Physical port will do most of the abort and recovery work. We can 226 * just treat it as a loop down 227 */ 228 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 229 atomic_set(&vha->loop_state, LOOP_DOWN); 230 qla2x00_mark_all_devices_lost(vha, 0); 231 } else { 232 if (!atomic_read(&vha->loop_down_timer)) 233 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 234 } 235 236 /* 237 * To exclusively reset vport, we need to log it out first. Note: this 238 * control_vp can fail if ISP reset is already issued, this is 239 * expected, as the vp would be already logged out due to ISP reset. 240 */ 241 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 242 qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); 243 244 DEBUG15(printk("scsi(%ld): Scheduling enable of Vport %d...\n", 245 vha->host_no, vha->vp_idx)); 246 return qla24xx_enable_vp(vha); 247 } 248 249 static int 250 qla2x00_do_dpc_vp(scsi_qla_host_t *vha) 251 { 252 qla2x00_do_work(vha); 253 254 if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { 255 /* VP acquired. complete port configuration */ 256 qla24xx_configure_vp(vha); 257 return 0; 258 } 259 260 if (test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) { 261 qla2x00_update_fcports(vha); 262 clear_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags); 263 } 264 265 if ((test_and_clear_bit(RELOGIN_NEEDED, &vha->dpc_flags)) && 266 !test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) && 267 atomic_read(&vha->loop_state) != LOOP_DOWN) { 268 269 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", 270 vha->host_no)); 271 qla2x00_relogin(vha); 272 273 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", 274 vha->host_no)); 275 } 276 277 if (test_and_clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) && 278 (!(test_and_set_bit(RESET_ACTIVE, &vha->dpc_flags)))) { 279 clear_bit(RESET_ACTIVE, &vha->dpc_flags); 280 } 281 282 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 283 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { 284 qla2x00_loop_resync(vha); 285 clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); 286 } 287 } 288 289 return 0; 290 } 291 292 void 293 qla2x00_do_dpc_all_vps(scsi_qla_host_t *vha) 294 { 295 int ret; 296 struct qla_hw_data *ha = vha->hw; 297 scsi_qla_host_t *vp; 298 struct scsi_qla_host *tvp; 299 300 if (vha->vp_idx) 301 return; 302 if (list_empty(&ha->vp_list)) 303 return; 304 305 clear_bit(VP_DPC_NEEDED, &vha->dpc_flags); 306 307 if (!(ha->current_topology & ISP_CFG_F)) 308 return; 309 310 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 311 if (vp->vp_idx) 312 ret = qla2x00_do_dpc_vp(vp); 313 } 314 } 315 316 int 317 qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) 318 { 319 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); 320 struct qla_hw_data *ha = base_vha->hw; 321 scsi_qla_host_t *vha; 322 uint8_t port_name[WWN_SIZE]; 323 324 if (fc_vport->roles != FC_PORT_ROLE_FCP_INITIATOR) 325 return VPCERR_UNSUPPORTED; 326 327 /* Check up the F/W and H/W support NPIV */ 328 if (!ha->flags.npiv_supported) 329 return VPCERR_UNSUPPORTED; 330 331 /* Check up whether npiv supported switch presented */ 332 if (!(ha->switch_cap & FLOGI_MID_SUPPORT)) 333 return VPCERR_NO_FABRIC_SUPP; 334 335 /* Check up unique WWPN */ 336 u64_to_wwn(fc_vport->port_name, port_name); 337 if (!memcmp(port_name, base_vha->port_name, WWN_SIZE)) 338 return VPCERR_BAD_WWN; 339 vha = qla24xx_find_vhost_by_name(ha, port_name); 340 if (vha) 341 return VPCERR_BAD_WWN; 342 343 /* Check up max-npiv-supports */ 344 if (ha->num_vhosts > ha->max_npiv_vports) { 345 DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " 346 "max_npv_vports %ud.\n", base_vha->host_no, 347 ha->num_vhosts, ha->max_npiv_vports)); 348 return VPCERR_UNSUPPORTED; 349 } 350 return 0; 351 } 352 353 scsi_qla_host_t * 354 qla24xx_create_vhost(struct fc_vport *fc_vport) 355 { 356 scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); 357 struct qla_hw_data *ha = base_vha->hw; 358 scsi_qla_host_t *vha; 359 struct scsi_host_template *sht = &qla2xxx_driver_template; 360 struct Scsi_Host *host; 361 362 vha = qla2x00_create_host(sht, ha); 363 if (!vha) { 364 DEBUG(printk("qla2xxx: scsi_host_alloc() failed for vport\n")); 365 return(NULL); 366 } 367 368 host = vha->host; 369 fc_vport->dd_data = vha; 370 /* New host info */ 371 u64_to_wwn(fc_vport->node_name, vha->node_name); 372 u64_to_wwn(fc_vport->port_name, vha->port_name); 373 374 vha->fc_vport = fc_vport; 375 vha->device_flags = 0; 376 vha->vp_idx = qla24xx_allocate_vp_id(vha); 377 if (vha->vp_idx > ha->max_npiv_vports) { 378 DEBUG15(printk("scsi(%ld): Couldn't allocate vp_id.\n", 379 vha->host_no)); 380 goto create_vhost_failed; 381 } 382 vha->mgmt_svr_loop_id = 10 + vha->vp_idx; 383 384 vha->dpc_flags = 0L; 385 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 386 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 387 388 /* 389 * To fix the issue of processing a parent's RSCN for the vport before 390 * its SCR is complete. 391 */ 392 set_bit(VP_SCR_NEEDED, &vha->vp_flags); 393 atomic_set(&vha->loop_state, LOOP_DOWN); 394 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 395 396 qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); 397 398 vha->req = base_vha->req; 399 host->can_queue = base_vha->req->length + 128; 400 host->this_id = 255; 401 host->cmd_per_lun = 3; 402 host->max_cmd_len = MAX_CMDSZ; 403 host->max_channel = MAX_BUSES - 1; 404 host->max_lun = MAX_LUNS; 405 host->unique_id = host->host_no; 406 host->max_id = MAX_TARGETS_2200; 407 host->transportt = qla2xxx_transport_vport_template; 408 409 DEBUG15(printk("DEBUG: detect vport hba %ld at address = %p\n", 410 vha->host_no, vha)); 411 412 vha->flags.init_done = 1; 413 414 mutex_lock(&ha->vport_lock); 415 set_bit(vha->vp_idx, ha->vp_idx_map); 416 ha->cur_vport_count++; 417 mutex_unlock(&ha->vport_lock); 418 419 return vha; 420 421 create_vhost_failed: 422 return NULL; 423 } 424 425 static void 426 qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) 427 { 428 struct qla_hw_data *ha = vha->hw; 429 uint16_t que_id = req->id; 430 431 dma_free_coherent(&ha->pdev->dev, (req->length + 1) * 432 sizeof(request_t), req->ring, req->dma); 433 req->ring = NULL; 434 req->dma = 0; 435 if (que_id) { 436 ha->req_q_map[que_id] = NULL; 437 mutex_lock(&ha->vport_lock); 438 clear_bit(que_id, ha->req_qid_map); 439 mutex_unlock(&ha->vport_lock); 440 } 441 kfree(req); 442 req = NULL; 443 } 444 445 static void 446 qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) 447 { 448 struct qla_hw_data *ha = vha->hw; 449 uint16_t que_id = rsp->id; 450 451 if (rsp->msix && rsp->msix->have_irq) { 452 free_irq(rsp->msix->vector, rsp); 453 rsp->msix->have_irq = 0; 454 rsp->msix->rsp = NULL; 455 } 456 dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * 457 sizeof(response_t), rsp->ring, rsp->dma); 458 rsp->ring = NULL; 459 rsp->dma = 0; 460 if (que_id) { 461 ha->rsp_q_map[que_id] = NULL; 462 mutex_lock(&ha->vport_lock); 463 clear_bit(que_id, ha->rsp_qid_map); 464 mutex_unlock(&ha->vport_lock); 465 } 466 kfree(rsp); 467 rsp = NULL; 468 } 469 470 int 471 qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) 472 { 473 int ret = -1; 474 475 if (req) { 476 req->options |= BIT_0; 477 ret = qla25xx_init_req_que(vha, req); 478 } 479 if (ret == QLA_SUCCESS) 480 qla25xx_free_req_que(vha, req); 481 482 return ret; 483 } 484 485 int 486 qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) 487 { 488 int ret = -1; 489 490 if (rsp) { 491 rsp->options |= BIT_0; 492 ret = qla25xx_init_rsp_que(vha, rsp); 493 } 494 if (ret == QLA_SUCCESS) 495 qla25xx_free_rsp_que(vha, rsp); 496 497 return ret; 498 } 499 500 int qla25xx_update_req_que(struct scsi_qla_host *vha, uint8_t que, uint8_t qos) 501 { 502 int ret = 0; 503 struct qla_hw_data *ha = vha->hw; 504 struct req_que *req = ha->req_q_map[que]; 505 506 req->options |= BIT_3; 507 req->qos = qos; 508 ret = qla25xx_init_req_que(vha, req); 509 if (ret != QLA_SUCCESS) 510 DEBUG2_17(printk(KERN_WARNING "%s failed\n", __func__)); 511 /* restore options bit */ 512 req->options &= ~BIT_3; 513 return ret; 514 } 515 516 517 /* Delete all queues for a given vhost */ 518 int 519 qla25xx_delete_queues(struct scsi_qla_host *vha) 520 { 521 int cnt, ret = 0; 522 struct req_que *req = NULL; 523 struct rsp_que *rsp = NULL; 524 struct qla_hw_data *ha = vha->hw; 525 526 /* Delete request queues */ 527 for (cnt = 1; cnt < ha->max_req_queues; cnt++) { 528 req = ha->req_q_map[cnt]; 529 if (req) { 530 ret = qla25xx_delete_req_que(vha, req); 531 if (ret != QLA_SUCCESS) { 532 qla_printk(KERN_WARNING, ha, 533 "Couldn't delete req que %d\n", 534 req->id); 535 return ret; 536 } 537 } 538 } 539 540 /* Delete response queues */ 541 for (cnt = 1; cnt < ha->max_rsp_queues; cnt++) { 542 rsp = ha->rsp_q_map[cnt]; 543 if (rsp) { 544 ret = qla25xx_delete_rsp_que(vha, rsp); 545 if (ret != QLA_SUCCESS) { 546 qla_printk(KERN_WARNING, ha, 547 "Couldn't delete rsp que %d\n", 548 rsp->id); 549 return ret; 550 } 551 } 552 } 553 return ret; 554 } 555 556 int 557 qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, 558 uint8_t vp_idx, uint16_t rid, int rsp_que, uint8_t qos) 559 { 560 int ret = 0; 561 struct req_que *req = NULL; 562 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 563 uint16_t que_id = 0; 564 device_reg_t __iomem *reg; 565 uint32_t cnt; 566 567 req = kzalloc(sizeof(struct req_que), GFP_KERNEL); 568 if (req == NULL) { 569 qla_printk(KERN_WARNING, ha, "could not allocate memory" 570 "for request que\n"); 571 goto que_failed; 572 } 573 574 req->length = REQUEST_ENTRY_CNT_24XX; 575 req->ring = dma_alloc_coherent(&ha->pdev->dev, 576 (req->length + 1) * sizeof(request_t), 577 &req->dma, GFP_KERNEL); 578 if (req->ring == NULL) { 579 qla_printk(KERN_WARNING, ha, 580 "Memory Allocation failed - request_ring\n"); 581 goto que_failed; 582 } 583 584 mutex_lock(&ha->vport_lock); 585 que_id = find_first_zero_bit(ha->req_qid_map, ha->max_req_queues); 586 if (que_id >= ha->max_req_queues) { 587 mutex_unlock(&ha->vport_lock); 588 qla_printk(KERN_INFO, ha, "No resources to create " 589 "additional request queue\n"); 590 goto que_failed; 591 } 592 set_bit(que_id, ha->req_qid_map); 593 ha->req_q_map[que_id] = req; 594 req->rid = rid; 595 req->vp_idx = vp_idx; 596 req->qos = qos; 597 598 if (rsp_que < 0) 599 req->rsp = NULL; 600 else 601 req->rsp = ha->rsp_q_map[rsp_que]; 602 /* Use alternate PCI bus number */ 603 if (MSB(req->rid)) 604 options |= BIT_4; 605 /* Use alternate PCI devfn */ 606 if (LSB(req->rid)) 607 options |= BIT_5; 608 req->options = options; 609 610 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 611 req->outstanding_cmds[cnt] = NULL; 612 req->current_outstanding_cmd = 1; 613 614 req->ring_ptr = req->ring; 615 req->ring_index = 0; 616 req->cnt = req->length; 617 req->id = que_id; 618 reg = ISP_QUE_REG(ha, que_id); 619 req->max_q_depth = ha->req_q_map[0]->max_q_depth; 620 mutex_unlock(&ha->vport_lock); 621 622 ret = qla25xx_init_req_que(base_vha, req); 623 if (ret != QLA_SUCCESS) { 624 qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); 625 mutex_lock(&ha->vport_lock); 626 clear_bit(que_id, ha->req_qid_map); 627 mutex_unlock(&ha->vport_lock); 628 goto que_failed; 629 } 630 631 return req->id; 632 633 que_failed: 634 qla25xx_free_req_que(base_vha, req); 635 return 0; 636 } 637 638 static void qla_do_work(struct work_struct *work) 639 { 640 struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); 641 struct scsi_qla_host *vha; 642 643 vha = qla25xx_get_host(rsp); 644 qla24xx_process_response_queue(vha, rsp); 645 } 646 647 /* create response queue */ 648 int 649 qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, 650 uint8_t vp_idx, uint16_t rid, int req) 651 { 652 int ret = 0; 653 struct rsp_que *rsp = NULL; 654 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 655 uint16_t que_id = 0; 656 device_reg_t __iomem *reg; 657 658 rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); 659 if (rsp == NULL) { 660 qla_printk(KERN_WARNING, ha, "could not allocate memory for" 661 " response que\n"); 662 goto que_failed; 663 } 664 665 rsp->length = RESPONSE_ENTRY_CNT_MQ; 666 rsp->ring = dma_alloc_coherent(&ha->pdev->dev, 667 (rsp->length + 1) * sizeof(response_t), 668 &rsp->dma, GFP_KERNEL); 669 if (rsp->ring == NULL) { 670 qla_printk(KERN_WARNING, ha, 671 "Memory Allocation failed - response_ring\n"); 672 goto que_failed; 673 } 674 675 mutex_lock(&ha->vport_lock); 676 que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_rsp_queues); 677 if (que_id >= ha->max_rsp_queues) { 678 mutex_unlock(&ha->vport_lock); 679 qla_printk(KERN_INFO, ha, "No resources to create " 680 "additional response queue\n"); 681 goto que_failed; 682 } 683 set_bit(que_id, ha->rsp_qid_map); 684 685 if (ha->flags.msix_enabled) 686 rsp->msix = &ha->msix_entries[que_id + 1]; 687 else 688 qla_printk(KERN_WARNING, ha, "msix not enabled\n"); 689 690 ha->rsp_q_map[que_id] = rsp; 691 rsp->rid = rid; 692 rsp->vp_idx = vp_idx; 693 rsp->hw = ha; 694 /* Use alternate PCI bus number */ 695 if (MSB(rsp->rid)) 696 options |= BIT_4; 697 /* Use alternate PCI devfn */ 698 if (LSB(rsp->rid)) 699 options |= BIT_5; 700 rsp->options = options; 701 rsp->id = que_id; 702 reg = ISP_QUE_REG(ha, que_id); 703 rsp->rsp_q_in = ®->isp25mq.rsp_q_in; 704 rsp->rsp_q_out = ®->isp25mq.rsp_q_out; 705 mutex_unlock(&ha->vport_lock); 706 707 ret = qla25xx_request_irq(rsp); 708 if (ret) 709 goto que_failed; 710 711 ret = qla25xx_init_rsp_que(base_vha, rsp); 712 if (ret != QLA_SUCCESS) { 713 qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); 714 mutex_lock(&ha->vport_lock); 715 clear_bit(que_id, ha->rsp_qid_map); 716 mutex_unlock(&ha->vport_lock); 717 goto que_failed; 718 } 719 if (req >= 0) 720 rsp->req = ha->req_q_map[req]; 721 else 722 rsp->req = NULL; 723 724 qla2x00_init_response_q_entries(rsp); 725 if (rsp->hw->wq) 726 INIT_WORK(&rsp->q_work, qla_do_work); 727 return rsp->id; 728 729 que_failed: 730 qla25xx_free_rsp_que(base_vha, rsp); 731 return 0; 732 } 733 734 int 735 qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) 736 { 737 uint16_t options = 0; 738 uint8_t ret = 0; 739 struct qla_hw_data *ha = vha->hw; 740 struct rsp_que *rsp; 741 742 options |= BIT_1; 743 ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0, -1); 744 if (!ret) { 745 qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); 746 return ret; 747 } else 748 qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); 749 rsp = ha->rsp_q_map[ret]; 750 751 options = 0; 752 if (qos & BIT_7) 753 options |= BIT_8; 754 ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, 755 qos & ~BIT_7); 756 if (ret) { 757 vha->req = ha->req_q_map[ret]; 758 qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); 759 } else 760 qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); 761 rsp->req = ha->req_q_map[ret]; 762 763 return ret; 764 } 765