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 9 #include <linux/moduleparam.h> 10 #include <linux/vmalloc.h> 11 #include <linux/delay.h> 12 #include <linux/kthread.h> 13 #include <linux/mutex.h> 14 #include <linux/kobject.h> 15 16 #include <scsi/scsi_tcq.h> 17 #include <scsi/scsicam.h> 18 #include <scsi/scsi_transport.h> 19 #include <scsi/scsi_transport_fc.h> 20 21 /* 22 * Driver version 23 */ 24 char qla2x00_version_str[40]; 25 26 /* 27 * SRB allocation cache 28 */ 29 static struct kmem_cache *srb_cachep; 30 31 int ql2xlogintimeout = 20; 32 module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); 33 MODULE_PARM_DESC(ql2xlogintimeout, 34 "Login timeout value in seconds."); 35 36 int qlport_down_retry; 37 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); 38 MODULE_PARM_DESC(qlport_down_retry, 39 "Maximum number of command retries to a port that returns " 40 "a PORT-DOWN status."); 41 42 int ql2xplogiabsentdevice; 43 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); 44 MODULE_PARM_DESC(ql2xplogiabsentdevice, 45 "Option to enable PLOGI to devices that are not present after " 46 "a Fabric scan. This is needed for several broken switches. " 47 "Default is 0 - no PLOGI. 1 - perfom PLOGI."); 48 49 int ql2xloginretrycount = 0; 50 module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); 51 MODULE_PARM_DESC(ql2xloginretrycount, 52 "Specify an alternate value for the NVRAM login retry count."); 53 54 int ql2xallocfwdump = 1; 55 module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); 56 MODULE_PARM_DESC(ql2xallocfwdump, 57 "Option to enable allocation of memory for a firmware dump " 58 "during HBA initialization. Memory allocation requirements " 59 "vary by ISP type. Default is 1 - allocate memory."); 60 61 int ql2xextended_error_logging; 62 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); 63 MODULE_PARM_DESC(ql2xextended_error_logging, 64 "Option to enable extended error logging, " 65 "Default is 0 - no logging. 1 - log errors."); 66 67 static void qla2x00_free_device(scsi_qla_host_t *); 68 69 int ql2xfdmienable=1; 70 module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); 71 MODULE_PARM_DESC(ql2xfdmienable, 72 "Enables FDMI registratons " 73 "Default is 0 - no FDMI. 1 - perfom FDMI."); 74 75 #define MAX_Q_DEPTH 32 76 static int ql2xmaxqdepth = MAX_Q_DEPTH; 77 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); 78 MODULE_PARM_DESC(ql2xmaxqdepth, 79 "Maximum queue depth to report for target devices."); 80 81 int ql2xiidmaenable=1; 82 module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); 83 MODULE_PARM_DESC(ql2xiidmaenable, 84 "Enables iIDMA settings " 85 "Default is 1 - perform iIDMA. 0 - no iIDMA."); 86 87 int ql2xmaxqueues = 1; 88 module_param(ql2xmaxqueues, int, S_IRUGO|S_IRUSR); 89 MODULE_PARM_DESC(ql2xmaxqueues, 90 "Enables MQ settings " 91 "Default is 1 for single queue. Set it to number \ 92 of queues in MQ mode."); 93 94 int ql2xmultique_tag; 95 module_param(ql2xmultique_tag, int, S_IRUGO|S_IRUSR); 96 MODULE_PARM_DESC(ql2xmultique_tag, 97 "Enables CPU affinity settings for the driver " 98 "Default is 0 for no affinity of request and response IO. " 99 "Set it to 1 to turn on the cpu affinity."); 100 101 int ql2xfwloadbin; 102 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR); 103 MODULE_PARM_DESC(ql2xfwloadbin, 104 "Option to specify location from which to load ISP firmware:\n" 105 " 2 -- load firmware via the request_firmware() (hotplug)\n" 106 " interface.\n" 107 " 1 -- load firmware from flash.\n" 108 " 0 -- use default semantics.\n"); 109 110 /* 111 * SCSI host template entry points 112 */ 113 static int qla2xxx_slave_configure(struct scsi_device * device); 114 static int qla2xxx_slave_alloc(struct scsi_device *); 115 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); 116 static void qla2xxx_scan_start(struct Scsi_Host *); 117 static void qla2xxx_slave_destroy(struct scsi_device *); 118 static int qla2xxx_queuecommand(struct scsi_cmnd *cmd, 119 void (*fn)(struct scsi_cmnd *)); 120 static int qla2xxx_eh_abort(struct scsi_cmnd *); 121 static int qla2xxx_eh_device_reset(struct scsi_cmnd *); 122 static int qla2xxx_eh_target_reset(struct scsi_cmnd *); 123 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); 124 static int qla2xxx_eh_host_reset(struct scsi_cmnd *); 125 126 static int qla2x00_change_queue_depth(struct scsi_device *, int, int); 127 static int qla2x00_change_queue_type(struct scsi_device *, int); 128 129 struct scsi_host_template qla2xxx_driver_template = { 130 .module = THIS_MODULE, 131 .name = QLA2XXX_DRIVER_NAME, 132 .queuecommand = qla2xxx_queuecommand, 133 134 .eh_abort_handler = qla2xxx_eh_abort, 135 .eh_device_reset_handler = qla2xxx_eh_device_reset, 136 .eh_target_reset_handler = qla2xxx_eh_target_reset, 137 .eh_bus_reset_handler = qla2xxx_eh_bus_reset, 138 .eh_host_reset_handler = qla2xxx_eh_host_reset, 139 140 .slave_configure = qla2xxx_slave_configure, 141 142 .slave_alloc = qla2xxx_slave_alloc, 143 .slave_destroy = qla2xxx_slave_destroy, 144 .scan_finished = qla2xxx_scan_finished, 145 .scan_start = qla2xxx_scan_start, 146 .change_queue_depth = qla2x00_change_queue_depth, 147 .change_queue_type = qla2x00_change_queue_type, 148 .this_id = -1, 149 .cmd_per_lun = 3, 150 .use_clustering = ENABLE_CLUSTERING, 151 .sg_tablesize = SG_ALL, 152 153 .max_sectors = 0xFFFF, 154 .shost_attrs = qla2x00_host_attrs, 155 }; 156 157 static struct scsi_transport_template *qla2xxx_transport_template = NULL; 158 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; 159 160 /* TODO Convert to inlines 161 * 162 * Timer routines 163 */ 164 165 __inline__ void 166 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) 167 { 168 init_timer(&vha->timer); 169 vha->timer.expires = jiffies + interval * HZ; 170 vha->timer.data = (unsigned long)vha; 171 vha->timer.function = (void (*)(unsigned long))func; 172 add_timer(&vha->timer); 173 vha->timer_active = 1; 174 } 175 176 static inline void 177 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) 178 { 179 mod_timer(&vha->timer, jiffies + interval * HZ); 180 } 181 182 static __inline__ void 183 qla2x00_stop_timer(scsi_qla_host_t *vha) 184 { 185 del_timer_sync(&vha->timer); 186 vha->timer_active = 0; 187 } 188 189 static int qla2x00_do_dpc(void *data); 190 191 static void qla2x00_rst_aen(scsi_qla_host_t *); 192 193 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, 194 struct req_que **, struct rsp_que **); 195 static void qla2x00_mem_free(struct qla_hw_data *); 196 static void qla2x00_sp_free_dma(srb_t *); 197 198 /* -------------------------------------------------------------------------- */ 199 static int qla2x00_alloc_queues(struct qla_hw_data *ha) 200 { 201 ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues, 202 GFP_KERNEL); 203 if (!ha->req_q_map) { 204 qla_printk(KERN_WARNING, ha, 205 "Unable to allocate memory for request queue ptrs\n"); 206 goto fail_req_map; 207 } 208 209 ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues, 210 GFP_KERNEL); 211 if (!ha->rsp_q_map) { 212 qla_printk(KERN_WARNING, ha, 213 "Unable to allocate memory for response queue ptrs\n"); 214 goto fail_rsp_map; 215 } 216 set_bit(0, ha->rsp_qid_map); 217 set_bit(0, ha->req_qid_map); 218 return 1; 219 220 fail_rsp_map: 221 kfree(ha->req_q_map); 222 ha->req_q_map = NULL; 223 fail_req_map: 224 return -ENOMEM; 225 } 226 227 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) 228 { 229 if (req && req->ring) 230 dma_free_coherent(&ha->pdev->dev, 231 (req->length + 1) * sizeof(request_t), 232 req->ring, req->dma); 233 234 kfree(req); 235 req = NULL; 236 } 237 238 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) 239 { 240 if (rsp && rsp->ring) 241 dma_free_coherent(&ha->pdev->dev, 242 (rsp->length + 1) * sizeof(response_t), 243 rsp->ring, rsp->dma); 244 245 kfree(rsp); 246 rsp = NULL; 247 } 248 249 static void qla2x00_free_queues(struct qla_hw_data *ha) 250 { 251 struct req_que *req; 252 struct rsp_que *rsp; 253 int cnt; 254 255 for (cnt = 0; cnt < ha->max_req_queues; cnt++) { 256 req = ha->req_q_map[cnt]; 257 qla2x00_free_req_que(ha, req); 258 } 259 kfree(ha->req_q_map); 260 ha->req_q_map = NULL; 261 262 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { 263 rsp = ha->rsp_q_map[cnt]; 264 qla2x00_free_rsp_que(ha, rsp); 265 } 266 kfree(ha->rsp_q_map); 267 ha->rsp_q_map = NULL; 268 } 269 270 static int qla25xx_setup_mode(struct scsi_qla_host *vha) 271 { 272 uint16_t options = 0; 273 int ques, req, ret; 274 struct qla_hw_data *ha = vha->hw; 275 276 if (!(ha->fw_attributes & BIT_6)) { 277 qla_printk(KERN_INFO, ha, 278 "Firmware is not multi-queue capable\n"); 279 goto fail; 280 } 281 if (ql2xmultique_tag) { 282 /* create a request queue for IO */ 283 options |= BIT_7; 284 req = qla25xx_create_req_que(ha, options, 0, 0, -1, 285 QLA_DEFAULT_QUE_QOS); 286 if (!req) { 287 qla_printk(KERN_WARNING, ha, 288 "Can't create request queue\n"); 289 goto fail; 290 } 291 ha->wq = create_workqueue("qla2xxx_wq"); 292 vha->req = ha->req_q_map[req]; 293 options |= BIT_1; 294 for (ques = 1; ques < ha->max_rsp_queues; ques++) { 295 ret = qla25xx_create_rsp_que(ha, options, 0, 0, req); 296 if (!ret) { 297 qla_printk(KERN_WARNING, ha, 298 "Response Queue create failed\n"); 299 goto fail2; 300 } 301 } 302 ha->flags.cpu_affinity_enabled = 1; 303 304 DEBUG2(qla_printk(KERN_INFO, ha, 305 "CPU affinity mode enabled, no. of response" 306 " queues:%d, no. of request queues:%d\n", 307 ha->max_rsp_queues, ha->max_req_queues)); 308 } 309 return 0; 310 fail2: 311 qla25xx_delete_queues(vha); 312 destroy_workqueue(ha->wq); 313 ha->wq = NULL; 314 fail: 315 ha->mqenable = 0; 316 kfree(ha->req_q_map); 317 kfree(ha->rsp_q_map); 318 ha->max_req_queues = ha->max_rsp_queues = 1; 319 return 1; 320 } 321 322 static char * 323 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str) 324 { 325 struct qla_hw_data *ha = vha->hw; 326 static char *pci_bus_modes[] = { 327 "33", "66", "100", "133", 328 }; 329 uint16_t pci_bus; 330 331 strcpy(str, "PCI"); 332 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; 333 if (pci_bus) { 334 strcat(str, "-X ("); 335 strcat(str, pci_bus_modes[pci_bus]); 336 } else { 337 pci_bus = (ha->pci_attr & BIT_8) >> 8; 338 strcat(str, " ("); 339 strcat(str, pci_bus_modes[pci_bus]); 340 } 341 strcat(str, " MHz)"); 342 343 return (str); 344 } 345 346 static char * 347 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str) 348 { 349 static char *pci_bus_modes[] = { "33", "66", "100", "133", }; 350 struct qla_hw_data *ha = vha->hw; 351 uint32_t pci_bus; 352 int pcie_reg; 353 354 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 355 if (pcie_reg) { 356 char lwstr[6]; 357 uint16_t pcie_lstat, lspeed, lwidth; 358 359 pcie_reg += 0x12; 360 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); 361 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); 362 lwidth = (pcie_lstat & 363 (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; 364 365 strcpy(str, "PCIe ("); 366 if (lspeed == 1) 367 strcat(str, "2.5GT/s "); 368 else if (lspeed == 2) 369 strcat(str, "5.0GT/s "); 370 else 371 strcat(str, "<unknown> "); 372 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); 373 strcat(str, lwstr); 374 375 return str; 376 } 377 378 strcpy(str, "PCI"); 379 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; 380 if (pci_bus == 0 || pci_bus == 8) { 381 strcat(str, " ("); 382 strcat(str, pci_bus_modes[pci_bus >> 3]); 383 } else { 384 strcat(str, "-X "); 385 if (pci_bus & BIT_2) 386 strcat(str, "Mode 2"); 387 else 388 strcat(str, "Mode 1"); 389 strcat(str, " ("); 390 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); 391 } 392 strcat(str, " MHz)"); 393 394 return str; 395 } 396 397 static char * 398 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str) 399 { 400 char un_str[10]; 401 struct qla_hw_data *ha = vha->hw; 402 403 sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, 404 ha->fw_minor_version, 405 ha->fw_subminor_version); 406 407 if (ha->fw_attributes & BIT_9) { 408 strcat(str, "FLX"); 409 return (str); 410 } 411 412 switch (ha->fw_attributes & 0xFF) { 413 case 0x7: 414 strcat(str, "EF"); 415 break; 416 case 0x17: 417 strcat(str, "TP"); 418 break; 419 case 0x37: 420 strcat(str, "IP"); 421 break; 422 case 0x77: 423 strcat(str, "VI"); 424 break; 425 default: 426 sprintf(un_str, "(%x)", ha->fw_attributes); 427 strcat(str, un_str); 428 break; 429 } 430 if (ha->fw_attributes & 0x100) 431 strcat(str, "X"); 432 433 return (str); 434 } 435 436 static char * 437 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str) 438 { 439 struct qla_hw_data *ha = vha->hw; 440 441 sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version, 442 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes); 443 return str; 444 } 445 446 static inline srb_t * 447 qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, 448 struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 449 { 450 srb_t *sp; 451 struct qla_hw_data *ha = vha->hw; 452 453 sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 454 if (!sp) 455 return sp; 456 457 sp->fcport = fcport; 458 sp->cmd = cmd; 459 sp->flags = 0; 460 CMD_SP(cmd) = (void *)sp; 461 cmd->scsi_done = done; 462 sp->ctx = NULL; 463 464 return sp; 465 } 466 467 static int 468 qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 469 { 470 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 471 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 472 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); 473 struct qla_hw_data *ha = vha->hw; 474 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 475 srb_t *sp; 476 int rval; 477 478 if (ha->flags.eeh_busy) { 479 if (ha->flags.pci_channel_io_perm_failure) 480 cmd->result = DID_NO_CONNECT << 16; 481 else 482 cmd->result = DID_REQUEUE << 16; 483 goto qc24_fail_command; 484 } 485 486 rval = fc_remote_port_chkready(rport); 487 if (rval) { 488 cmd->result = rval; 489 goto qc24_fail_command; 490 } 491 492 /* Close window on fcport/rport state-transitioning. */ 493 if (fcport->drport) 494 goto qc24_target_busy; 495 496 if (atomic_read(&fcport->state) != FCS_ONLINE) { 497 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || 498 atomic_read(&base_vha->loop_state) == LOOP_DEAD) { 499 cmd->result = DID_NO_CONNECT << 16; 500 goto qc24_fail_command; 501 } 502 goto qc24_target_busy; 503 } 504 505 spin_unlock_irq(vha->host->host_lock); 506 507 sp = qla2x00_get_new_sp(base_vha, fcport, cmd, done); 508 if (!sp) 509 goto qc24_host_busy_lock; 510 511 rval = ha->isp_ops->start_scsi(sp); 512 if (rval != QLA_SUCCESS) 513 goto qc24_host_busy_free_sp; 514 515 spin_lock_irq(vha->host->host_lock); 516 517 return 0; 518 519 qc24_host_busy_free_sp: 520 qla2x00_sp_free_dma(sp); 521 mempool_free(sp, ha->srb_mempool); 522 523 qc24_host_busy_lock: 524 spin_lock_irq(vha->host->host_lock); 525 return SCSI_MLQUEUE_HOST_BUSY; 526 527 qc24_target_busy: 528 return SCSI_MLQUEUE_TARGET_BUSY; 529 530 qc24_fail_command: 531 done(cmd); 532 533 return 0; 534 } 535 536 537 /* 538 * qla2x00_eh_wait_on_command 539 * Waits for the command to be returned by the Firmware for some 540 * max time. 541 * 542 * Input: 543 * cmd = Scsi Command to wait on. 544 * 545 * Return: 546 * Not Found : 0 547 * Found : 1 548 */ 549 static int 550 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) 551 { 552 #define ABORT_POLLING_PERIOD 1000 553 #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) 554 unsigned long wait_iter = ABORT_WAIT_ITER; 555 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 556 struct qla_hw_data *ha = vha->hw; 557 int ret = QLA_SUCCESS; 558 559 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { 560 DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n")); 561 return ret; 562 } 563 564 while (CMD_SP(cmd) && wait_iter--) { 565 msleep(ABORT_POLLING_PERIOD); 566 } 567 if (CMD_SP(cmd)) 568 ret = QLA_FUNCTION_FAILED; 569 570 return ret; 571 } 572 573 /* 574 * qla2x00_wait_for_hba_online 575 * Wait till the HBA is online after going through 576 * <= MAX_RETRIES_OF_ISP_ABORT or 577 * finally HBA is disabled ie marked offline 578 * 579 * Input: 580 * ha - pointer to host adapter structure 581 * 582 * Note: 583 * Does context switching-Release SPIN_LOCK 584 * (if any) before calling this routine. 585 * 586 * Return: 587 * Success (Adapter is online) : 0 588 * Failed (Adapter is offline/disabled) : 1 589 */ 590 int 591 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) 592 { 593 int return_status; 594 unsigned long wait_online; 595 struct qla_hw_data *ha = vha->hw; 596 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 597 598 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); 599 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || 600 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || 601 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || 602 ha->dpc_active) && time_before(jiffies, wait_online)) { 603 604 msleep(1000); 605 } 606 if (base_vha->flags.online) 607 return_status = QLA_SUCCESS; 608 else 609 return_status = QLA_FUNCTION_FAILED; 610 611 return (return_status); 612 } 613 614 int 615 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) 616 { 617 int return_status; 618 unsigned long wait_reset; 619 struct qla_hw_data *ha = vha->hw; 620 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 621 622 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 623 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || 624 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || 625 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || 626 ha->dpc_active) && time_before(jiffies, wait_reset)) { 627 628 msleep(1000); 629 630 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && 631 ha->flags.chip_reset_done) 632 break; 633 } 634 if (ha->flags.chip_reset_done) 635 return_status = QLA_SUCCESS; 636 else 637 return_status = QLA_FUNCTION_FAILED; 638 639 return return_status; 640 } 641 642 /* 643 * qla2x00_wait_for_loop_ready 644 * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop 645 * to be in LOOP_READY state. 646 * Input: 647 * ha - pointer to host adapter structure 648 * 649 * Note: 650 * Does context switching-Release SPIN_LOCK 651 * (if any) before calling this routine. 652 * 653 * 654 * Return: 655 * Success (LOOP_READY) : 0 656 * Failed (LOOP_NOT_READY) : 1 657 */ 658 static inline int 659 qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha) 660 { 661 int return_status = QLA_SUCCESS; 662 unsigned long loop_timeout ; 663 struct qla_hw_data *ha = vha->hw; 664 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 665 666 /* wait for 5 min at the max for loop to be ready */ 667 loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); 668 669 while ((!atomic_read(&base_vha->loop_down_timer) && 670 atomic_read(&base_vha->loop_state) == LOOP_DOWN) || 671 atomic_read(&base_vha->loop_state) != LOOP_READY) { 672 if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) { 673 return_status = QLA_FUNCTION_FAILED; 674 break; 675 } 676 msleep(1000); 677 if (time_after_eq(jiffies, loop_timeout)) { 678 return_status = QLA_FUNCTION_FAILED; 679 break; 680 } 681 } 682 return (return_status); 683 } 684 685 void 686 qla2x00_abort_fcport_cmds(fc_port_t *fcport) 687 { 688 int cnt; 689 unsigned long flags; 690 srb_t *sp; 691 scsi_qla_host_t *vha = fcport->vha; 692 struct qla_hw_data *ha = vha->hw; 693 struct req_que *req; 694 695 spin_lock_irqsave(&ha->hardware_lock, flags); 696 req = vha->req; 697 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 698 sp = req->outstanding_cmds[cnt]; 699 if (!sp) 700 continue; 701 if (sp->fcport != fcport) 702 continue; 703 if (sp->ctx) 704 continue; 705 706 spin_unlock_irqrestore(&ha->hardware_lock, flags); 707 if (ha->isp_ops->abort_command(sp)) { 708 DEBUG2(qla_printk(KERN_WARNING, ha, 709 "Abort failed -- %lx\n", 710 sp->cmd->serial_number)); 711 } else { 712 if (qla2x00_eh_wait_on_command(sp->cmd) != 713 QLA_SUCCESS) 714 DEBUG2(qla_printk(KERN_WARNING, ha, 715 "Abort failed while waiting -- %lx\n", 716 sp->cmd->serial_number)); 717 } 718 spin_lock_irqsave(&ha->hardware_lock, flags); 719 } 720 spin_unlock_irqrestore(&ha->hardware_lock, flags); 721 } 722 723 /************************************************************************** 724 * qla2xxx_eh_abort 725 * 726 * Description: 727 * The abort function will abort the specified command. 728 * 729 * Input: 730 * cmd = Linux SCSI command packet to be aborted. 731 * 732 * Returns: 733 * Either SUCCESS or FAILED. 734 * 735 * Note: 736 * Only return FAILED if command not returned by firmware. 737 **************************************************************************/ 738 static int 739 qla2xxx_eh_abort(struct scsi_cmnd *cmd) 740 { 741 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 742 srb_t *sp; 743 int ret, i; 744 unsigned int id, lun; 745 unsigned long serial; 746 unsigned long flags; 747 int wait = 0; 748 struct qla_hw_data *ha = vha->hw; 749 struct req_que *req = vha->req; 750 srb_t *spt; 751 752 fc_block_scsi_eh(cmd); 753 754 if (!CMD_SP(cmd)) 755 return SUCCESS; 756 757 ret = SUCCESS; 758 759 id = cmd->device->id; 760 lun = cmd->device->lun; 761 serial = cmd->serial_number; 762 spt = (srb_t *) CMD_SP(cmd); 763 if (!spt) 764 return SUCCESS; 765 766 /* Check active list for command command. */ 767 spin_lock_irqsave(&ha->hardware_lock, flags); 768 for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { 769 sp = req->outstanding_cmds[i]; 770 771 if (sp == NULL) 772 continue; 773 if (sp->ctx) 774 continue; 775 if (sp->cmd != cmd) 776 continue; 777 778 DEBUG2(printk("%s(%ld): aborting sp %p from RISC." 779 " pid=%ld.\n", __func__, vha->host_no, sp, serial)); 780 781 spin_unlock_irqrestore(&ha->hardware_lock, flags); 782 if (ha->isp_ops->abort_command(sp)) { 783 DEBUG2(printk("%s(%ld): abort_command " 784 "mbx failed.\n", __func__, vha->host_no)); 785 ret = FAILED; 786 } else { 787 DEBUG3(printk("%s(%ld): abort_command " 788 "mbx success.\n", __func__, vha->host_no)); 789 wait = 1; 790 } 791 spin_lock_irqsave(&ha->hardware_lock, flags); 792 break; 793 } 794 spin_unlock_irqrestore(&ha->hardware_lock, flags); 795 796 /* Wait for the command to be returned. */ 797 if (wait) { 798 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { 799 qla_printk(KERN_ERR, ha, 800 "scsi(%ld:%d:%d): Abort handler timed out -- %lx " 801 "%x.\n", vha->host_no, id, lun, serial, ret); 802 ret = FAILED; 803 } 804 } 805 806 qla_printk(KERN_INFO, ha, 807 "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", 808 vha->host_no, id, lun, wait, serial, ret); 809 810 return ret; 811 } 812 813 enum nexus_wait_type { 814 WAIT_HOST = 0, 815 WAIT_TARGET, 816 WAIT_LUN, 817 }; 818 819 static int 820 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, 821 unsigned int l, srb_t *sp, enum nexus_wait_type type) 822 { 823 int cnt, match, status; 824 unsigned long flags; 825 struct qla_hw_data *ha = vha->hw; 826 struct req_que *req; 827 828 status = QLA_SUCCESS; 829 if (!sp) 830 return status; 831 832 spin_lock_irqsave(&ha->hardware_lock, flags); 833 req = vha->req; 834 for (cnt = 1; status == QLA_SUCCESS && 835 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 836 sp = req->outstanding_cmds[cnt]; 837 if (!sp) 838 continue; 839 if (sp->ctx) 840 continue; 841 if (vha->vp_idx != sp->fcport->vha->vp_idx) 842 continue; 843 match = 0; 844 switch (type) { 845 case WAIT_HOST: 846 match = 1; 847 break; 848 case WAIT_TARGET: 849 match = sp->cmd->device->id == t; 850 break; 851 case WAIT_LUN: 852 match = (sp->cmd->device->id == t && 853 sp->cmd->device->lun == l); 854 break; 855 } 856 if (!match) 857 continue; 858 859 spin_unlock_irqrestore(&ha->hardware_lock, flags); 860 status = qla2x00_eh_wait_on_command(sp->cmd); 861 spin_lock_irqsave(&ha->hardware_lock, flags); 862 } 863 spin_unlock_irqrestore(&ha->hardware_lock, flags); 864 865 return status; 866 } 867 868 static char *reset_errors[] = { 869 "HBA not online", 870 "HBA not ready", 871 "Task management failed", 872 "Waiting for command completions", 873 }; 874 875 static int 876 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, 877 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int)) 878 { 879 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 880 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 881 int err; 882 883 fc_block_scsi_eh(cmd); 884 885 if (!fcport) 886 return FAILED; 887 888 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n", 889 vha->host_no, cmd->device->id, cmd->device->lun, name); 890 891 err = 0; 892 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) 893 goto eh_reset_failed; 894 err = 1; 895 if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) 896 goto eh_reset_failed; 897 err = 2; 898 if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1) 899 != QLA_SUCCESS) 900 goto eh_reset_failed; 901 err = 3; 902 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, 903 cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS) 904 goto eh_reset_failed; 905 906 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", 907 vha->host_no, cmd->device->id, cmd->device->lun, name); 908 909 return SUCCESS; 910 911 eh_reset_failed: 912 qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n" 913 , vha->host_no, cmd->device->id, cmd->device->lun, name, 914 reset_errors[err]); 915 return FAILED; 916 } 917 918 static int 919 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) 920 { 921 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 922 struct qla_hw_data *ha = vha->hw; 923 924 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, 925 ha->isp_ops->lun_reset); 926 } 927 928 static int 929 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) 930 { 931 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 932 struct qla_hw_data *ha = vha->hw; 933 934 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, 935 ha->isp_ops->target_reset); 936 } 937 938 /************************************************************************** 939 * qla2xxx_eh_bus_reset 940 * 941 * Description: 942 * The bus reset function will reset the bus and abort any executing 943 * commands. 944 * 945 * Input: 946 * cmd = Linux SCSI command packet of the command that cause the 947 * bus reset. 948 * 949 * Returns: 950 * SUCCESS/FAILURE (defined as macro in scsi.h). 951 * 952 **************************************************************************/ 953 static int 954 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) 955 { 956 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 957 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 958 int ret = FAILED; 959 unsigned int id, lun; 960 unsigned long serial; 961 srb_t *sp = (srb_t *) CMD_SP(cmd); 962 963 fc_block_scsi_eh(cmd); 964 965 id = cmd->device->id; 966 lun = cmd->device->lun; 967 serial = cmd->serial_number; 968 969 if (!fcport) 970 return ret; 971 972 qla_printk(KERN_INFO, vha->hw, 973 "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun); 974 975 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { 976 DEBUG2(printk("%s failed:board disabled\n",__func__)); 977 goto eh_bus_reset_done; 978 } 979 980 if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) { 981 if (qla2x00_loop_reset(vha) == QLA_SUCCESS) 982 ret = SUCCESS; 983 } 984 if (ret == FAILED) 985 goto eh_bus_reset_done; 986 987 /* Flush outstanding commands. */ 988 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) != 989 QLA_SUCCESS) 990 ret = FAILED; 991 992 eh_bus_reset_done: 993 qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__, 994 (ret == FAILED) ? "failed" : "succeded"); 995 996 return ret; 997 } 998 999 /************************************************************************** 1000 * qla2xxx_eh_host_reset 1001 * 1002 * Description: 1003 * The reset function will reset the Adapter. 1004 * 1005 * Input: 1006 * cmd = Linux SCSI command packet of the command that cause the 1007 * adapter reset. 1008 * 1009 * Returns: 1010 * Either SUCCESS or FAILED. 1011 * 1012 * Note: 1013 **************************************************************************/ 1014 static int 1015 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) 1016 { 1017 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1018 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 1019 struct qla_hw_data *ha = vha->hw; 1020 int ret = FAILED; 1021 unsigned int id, lun; 1022 unsigned long serial; 1023 srb_t *sp = (srb_t *) CMD_SP(cmd); 1024 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 1025 1026 fc_block_scsi_eh(cmd); 1027 1028 id = cmd->device->id; 1029 lun = cmd->device->lun; 1030 serial = cmd->serial_number; 1031 1032 if (!fcport) 1033 return ret; 1034 1035 qla_printk(KERN_INFO, ha, 1036 "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun); 1037 1038 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) 1039 goto eh_host_reset_lock; 1040 1041 /* 1042 * Fixme-may be dpc thread is active and processing 1043 * loop_resync,so wait a while for it to 1044 * be completed and then issue big hammer.Otherwise 1045 * it may cause I/O failure as big hammer marks the 1046 * devices as lost kicking of the port_down_timer 1047 * while dpc is stuck for the mailbox to complete. 1048 */ 1049 qla2x00_wait_for_loop_ready(vha); 1050 if (vha != base_vha) { 1051 if (qla2x00_vp_abort_isp(vha)) 1052 goto eh_host_reset_lock; 1053 } else { 1054 if (ha->wq) 1055 flush_workqueue(ha->wq); 1056 1057 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1058 if (qla2x00_abort_isp(base_vha)) { 1059 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1060 /* failed. schedule dpc to try */ 1061 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); 1062 1063 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) 1064 goto eh_host_reset_lock; 1065 } 1066 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1067 } 1068 1069 /* Waiting for command to be returned to OS.*/ 1070 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) == 1071 QLA_SUCCESS) 1072 ret = SUCCESS; 1073 1074 eh_host_reset_lock: 1075 qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, 1076 (ret == FAILED) ? "failed" : "succeded"); 1077 1078 return ret; 1079 } 1080 1081 /* 1082 * qla2x00_loop_reset 1083 * Issue loop reset. 1084 * 1085 * Input: 1086 * ha = adapter block pointer. 1087 * 1088 * Returns: 1089 * 0 = success 1090 */ 1091 int 1092 qla2x00_loop_reset(scsi_qla_host_t *vha) 1093 { 1094 int ret; 1095 struct fc_port *fcport; 1096 struct qla_hw_data *ha = vha->hw; 1097 1098 if (ha->flags.enable_lip_full_login && !IS_QLA81XX(ha)) { 1099 ret = qla2x00_full_login_lip(vha); 1100 if (ret != QLA_SUCCESS) { 1101 DEBUG2_3(printk("%s(%ld): failed: " 1102 "full_login_lip=%d.\n", __func__, vha->host_no, 1103 ret)); 1104 } 1105 atomic_set(&vha->loop_state, LOOP_DOWN); 1106 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1107 qla2x00_mark_all_devices_lost(vha, 0); 1108 qla2x00_wait_for_loop_ready(vha); 1109 } 1110 1111 if (ha->flags.enable_lip_reset) { 1112 ret = qla2x00_lip_reset(vha); 1113 if (ret != QLA_SUCCESS) { 1114 DEBUG2_3(printk("%s(%ld): failed: " 1115 "lip_reset=%d.\n", __func__, vha->host_no, ret)); 1116 } else 1117 qla2x00_wait_for_loop_ready(vha); 1118 } 1119 1120 if (ha->flags.enable_target_reset) { 1121 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1122 if (fcport->port_type != FCT_TARGET) 1123 continue; 1124 1125 ret = ha->isp_ops->target_reset(fcport, 0, 0); 1126 if (ret != QLA_SUCCESS) { 1127 DEBUG2_3(printk("%s(%ld): bus_reset failed: " 1128 "target_reset=%d d_id=%x.\n", __func__, 1129 vha->host_no, ret, fcport->d_id.b24)); 1130 } 1131 } 1132 } 1133 /* Issue marker command only when we are going to start the I/O */ 1134 vha->marker_needed = 1; 1135 1136 return QLA_SUCCESS; 1137 } 1138 1139 void 1140 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) 1141 { 1142 int que, cnt; 1143 unsigned long flags; 1144 srb_t *sp; 1145 struct srb_ctx *ctx; 1146 struct qla_hw_data *ha = vha->hw; 1147 struct req_que *req; 1148 1149 spin_lock_irqsave(&ha->hardware_lock, flags); 1150 for (que = 0; que < ha->max_req_queues; que++) { 1151 req = ha->req_q_map[que]; 1152 if (!req) 1153 continue; 1154 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 1155 sp = req->outstanding_cmds[cnt]; 1156 if (sp) { 1157 req->outstanding_cmds[cnt] = NULL; 1158 if (!sp->ctx) { 1159 sp->cmd->result = res; 1160 qla2x00_sp_compl(ha, sp); 1161 } else { 1162 ctx = sp->ctx; 1163 del_timer_sync(&ctx->timer); 1164 ctx->free(sp); 1165 } 1166 } 1167 } 1168 } 1169 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1170 } 1171 1172 static int 1173 qla2xxx_slave_alloc(struct scsi_device *sdev) 1174 { 1175 struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); 1176 1177 if (!rport || fc_remote_port_chkready(rport)) 1178 return -ENXIO; 1179 1180 sdev->hostdata = *(fc_port_t **)rport->dd_data; 1181 1182 return 0; 1183 } 1184 1185 static int 1186 qla2xxx_slave_configure(struct scsi_device *sdev) 1187 { 1188 scsi_qla_host_t *vha = shost_priv(sdev->host); 1189 struct qla_hw_data *ha = vha->hw; 1190 struct fc_rport *rport = starget_to_rport(sdev->sdev_target); 1191 fc_port_t *fcport = *(fc_port_t **)rport->dd_data; 1192 struct req_que *req = vha->req; 1193 1194 if (sdev->tagged_supported) 1195 scsi_activate_tcq(sdev, req->max_q_depth); 1196 else 1197 scsi_deactivate_tcq(sdev, req->max_q_depth); 1198 1199 rport->dev_loss_tmo = ha->port_down_retry_count; 1200 if (sdev->type == TYPE_TAPE) 1201 fcport->flags |= FCF_TAPE_PRESENT; 1202 1203 return 0; 1204 } 1205 1206 static void 1207 qla2xxx_slave_destroy(struct scsi_device *sdev) 1208 { 1209 sdev->hostdata = NULL; 1210 } 1211 1212 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth) 1213 { 1214 fc_port_t *fcport = (struct fc_port *) sdev->hostdata; 1215 1216 if (!scsi_track_queue_full(sdev, qdepth)) 1217 return; 1218 1219 DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, 1220 "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", 1221 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, 1222 sdev->queue_depth)); 1223 } 1224 1225 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth) 1226 { 1227 fc_port_t *fcport = sdev->hostdata; 1228 struct scsi_qla_host *vha = fcport->vha; 1229 struct qla_hw_data *ha = vha->hw; 1230 struct req_que *req = NULL; 1231 1232 req = vha->req; 1233 if (!req) 1234 return; 1235 1236 if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth) 1237 return; 1238 1239 if (sdev->ordered_tags) 1240 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth); 1241 else 1242 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth); 1243 1244 DEBUG2(qla_printk(KERN_INFO, ha, 1245 "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", 1246 fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, 1247 sdev->queue_depth)); 1248 } 1249 1250 static int 1251 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) 1252 { 1253 switch (reason) { 1254 case SCSI_QDEPTH_DEFAULT: 1255 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); 1256 break; 1257 case SCSI_QDEPTH_QFULL: 1258 qla2x00_handle_queue_full(sdev, qdepth); 1259 break; 1260 case SCSI_QDEPTH_RAMP_UP: 1261 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth); 1262 break; 1263 default: 1264 return EOPNOTSUPP; 1265 } 1266 1267 return sdev->queue_depth; 1268 } 1269 1270 static int 1271 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) 1272 { 1273 if (sdev->tagged_supported) { 1274 scsi_set_tag_type(sdev, tag_type); 1275 if (tag_type) 1276 scsi_activate_tcq(sdev, sdev->queue_depth); 1277 else 1278 scsi_deactivate_tcq(sdev, sdev->queue_depth); 1279 } else 1280 tag_type = 0; 1281 1282 return tag_type; 1283 } 1284 1285 /** 1286 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. 1287 * @ha: HA context 1288 * 1289 * At exit, the @ha's flags.enable_64bit_addressing set to indicated 1290 * supported addressing method. 1291 */ 1292 static void 1293 qla2x00_config_dma_addressing(struct qla_hw_data *ha) 1294 { 1295 /* Assume a 32bit DMA mask. */ 1296 ha->flags.enable_64bit_addressing = 0; 1297 1298 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { 1299 /* Any upper-dword bits set? */ 1300 if (MSD(dma_get_required_mask(&ha->pdev->dev)) && 1301 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 1302 /* Ok, a 64bit DMA mask is applicable. */ 1303 ha->flags.enable_64bit_addressing = 1; 1304 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; 1305 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; 1306 return; 1307 } 1308 } 1309 1310 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32)); 1311 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 1312 } 1313 1314 static void 1315 qla2x00_enable_intrs(struct qla_hw_data *ha) 1316 { 1317 unsigned long flags = 0; 1318 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1319 1320 spin_lock_irqsave(&ha->hardware_lock, flags); 1321 ha->interrupts_on = 1; 1322 /* enable risc and host interrupts */ 1323 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); 1324 RD_REG_WORD(®->ictrl); 1325 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1326 1327 } 1328 1329 static void 1330 qla2x00_disable_intrs(struct qla_hw_data *ha) 1331 { 1332 unsigned long flags = 0; 1333 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1334 1335 spin_lock_irqsave(&ha->hardware_lock, flags); 1336 ha->interrupts_on = 0; 1337 /* disable risc and host interrupts */ 1338 WRT_REG_WORD(®->ictrl, 0); 1339 RD_REG_WORD(®->ictrl); 1340 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1341 } 1342 1343 static void 1344 qla24xx_enable_intrs(struct qla_hw_data *ha) 1345 { 1346 unsigned long flags = 0; 1347 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1348 1349 spin_lock_irqsave(&ha->hardware_lock, flags); 1350 ha->interrupts_on = 1; 1351 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); 1352 RD_REG_DWORD(®->ictrl); 1353 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1354 } 1355 1356 static void 1357 qla24xx_disable_intrs(struct qla_hw_data *ha) 1358 { 1359 unsigned long flags = 0; 1360 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1361 1362 if (IS_NOPOLLING_TYPE(ha)) 1363 return; 1364 spin_lock_irqsave(&ha->hardware_lock, flags); 1365 ha->interrupts_on = 0; 1366 WRT_REG_DWORD(®->ictrl, 0); 1367 RD_REG_DWORD(®->ictrl); 1368 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1369 } 1370 1371 static struct isp_operations qla2100_isp_ops = { 1372 .pci_config = qla2100_pci_config, 1373 .reset_chip = qla2x00_reset_chip, 1374 .chip_diag = qla2x00_chip_diag, 1375 .config_rings = qla2x00_config_rings, 1376 .reset_adapter = qla2x00_reset_adapter, 1377 .nvram_config = qla2x00_nvram_config, 1378 .update_fw_options = qla2x00_update_fw_options, 1379 .load_risc = qla2x00_load_risc, 1380 .pci_info_str = qla2x00_pci_info_str, 1381 .fw_version_str = qla2x00_fw_version_str, 1382 .intr_handler = qla2100_intr_handler, 1383 .enable_intrs = qla2x00_enable_intrs, 1384 .disable_intrs = qla2x00_disable_intrs, 1385 .abort_command = qla2x00_abort_command, 1386 .target_reset = qla2x00_abort_target, 1387 .lun_reset = qla2x00_lun_reset, 1388 .fabric_login = qla2x00_login_fabric, 1389 .fabric_logout = qla2x00_fabric_logout, 1390 .calc_req_entries = qla2x00_calc_iocbs_32, 1391 .build_iocbs = qla2x00_build_scsi_iocbs_32, 1392 .prep_ms_iocb = qla2x00_prep_ms_iocb, 1393 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, 1394 .read_nvram = qla2x00_read_nvram_data, 1395 .write_nvram = qla2x00_write_nvram_data, 1396 .fw_dump = qla2100_fw_dump, 1397 .beacon_on = NULL, 1398 .beacon_off = NULL, 1399 .beacon_blink = NULL, 1400 .read_optrom = qla2x00_read_optrom_data, 1401 .write_optrom = qla2x00_write_optrom_data, 1402 .get_flash_version = qla2x00_get_flash_version, 1403 .start_scsi = qla2x00_start_scsi, 1404 }; 1405 1406 static struct isp_operations qla2300_isp_ops = { 1407 .pci_config = qla2300_pci_config, 1408 .reset_chip = qla2x00_reset_chip, 1409 .chip_diag = qla2x00_chip_diag, 1410 .config_rings = qla2x00_config_rings, 1411 .reset_adapter = qla2x00_reset_adapter, 1412 .nvram_config = qla2x00_nvram_config, 1413 .update_fw_options = qla2x00_update_fw_options, 1414 .load_risc = qla2x00_load_risc, 1415 .pci_info_str = qla2x00_pci_info_str, 1416 .fw_version_str = qla2x00_fw_version_str, 1417 .intr_handler = qla2300_intr_handler, 1418 .enable_intrs = qla2x00_enable_intrs, 1419 .disable_intrs = qla2x00_disable_intrs, 1420 .abort_command = qla2x00_abort_command, 1421 .target_reset = qla2x00_abort_target, 1422 .lun_reset = qla2x00_lun_reset, 1423 .fabric_login = qla2x00_login_fabric, 1424 .fabric_logout = qla2x00_fabric_logout, 1425 .calc_req_entries = qla2x00_calc_iocbs_32, 1426 .build_iocbs = qla2x00_build_scsi_iocbs_32, 1427 .prep_ms_iocb = qla2x00_prep_ms_iocb, 1428 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, 1429 .read_nvram = qla2x00_read_nvram_data, 1430 .write_nvram = qla2x00_write_nvram_data, 1431 .fw_dump = qla2300_fw_dump, 1432 .beacon_on = qla2x00_beacon_on, 1433 .beacon_off = qla2x00_beacon_off, 1434 .beacon_blink = qla2x00_beacon_blink, 1435 .read_optrom = qla2x00_read_optrom_data, 1436 .write_optrom = qla2x00_write_optrom_data, 1437 .get_flash_version = qla2x00_get_flash_version, 1438 .start_scsi = qla2x00_start_scsi, 1439 }; 1440 1441 static struct isp_operations qla24xx_isp_ops = { 1442 .pci_config = qla24xx_pci_config, 1443 .reset_chip = qla24xx_reset_chip, 1444 .chip_diag = qla24xx_chip_diag, 1445 .config_rings = qla24xx_config_rings, 1446 .reset_adapter = qla24xx_reset_adapter, 1447 .nvram_config = qla24xx_nvram_config, 1448 .update_fw_options = qla24xx_update_fw_options, 1449 .load_risc = qla24xx_load_risc, 1450 .pci_info_str = qla24xx_pci_info_str, 1451 .fw_version_str = qla24xx_fw_version_str, 1452 .intr_handler = qla24xx_intr_handler, 1453 .enable_intrs = qla24xx_enable_intrs, 1454 .disable_intrs = qla24xx_disable_intrs, 1455 .abort_command = qla24xx_abort_command, 1456 .target_reset = qla24xx_abort_target, 1457 .lun_reset = qla24xx_lun_reset, 1458 .fabric_login = qla24xx_login_fabric, 1459 .fabric_logout = qla24xx_fabric_logout, 1460 .calc_req_entries = NULL, 1461 .build_iocbs = NULL, 1462 .prep_ms_iocb = qla24xx_prep_ms_iocb, 1463 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 1464 .read_nvram = qla24xx_read_nvram_data, 1465 .write_nvram = qla24xx_write_nvram_data, 1466 .fw_dump = qla24xx_fw_dump, 1467 .beacon_on = qla24xx_beacon_on, 1468 .beacon_off = qla24xx_beacon_off, 1469 .beacon_blink = qla24xx_beacon_blink, 1470 .read_optrom = qla24xx_read_optrom_data, 1471 .write_optrom = qla24xx_write_optrom_data, 1472 .get_flash_version = qla24xx_get_flash_version, 1473 .start_scsi = qla24xx_start_scsi, 1474 }; 1475 1476 static struct isp_operations qla25xx_isp_ops = { 1477 .pci_config = qla25xx_pci_config, 1478 .reset_chip = qla24xx_reset_chip, 1479 .chip_diag = qla24xx_chip_diag, 1480 .config_rings = qla24xx_config_rings, 1481 .reset_adapter = qla24xx_reset_adapter, 1482 .nvram_config = qla24xx_nvram_config, 1483 .update_fw_options = qla24xx_update_fw_options, 1484 .load_risc = qla24xx_load_risc, 1485 .pci_info_str = qla24xx_pci_info_str, 1486 .fw_version_str = qla24xx_fw_version_str, 1487 .intr_handler = qla24xx_intr_handler, 1488 .enable_intrs = qla24xx_enable_intrs, 1489 .disable_intrs = qla24xx_disable_intrs, 1490 .abort_command = qla24xx_abort_command, 1491 .target_reset = qla24xx_abort_target, 1492 .lun_reset = qla24xx_lun_reset, 1493 .fabric_login = qla24xx_login_fabric, 1494 .fabric_logout = qla24xx_fabric_logout, 1495 .calc_req_entries = NULL, 1496 .build_iocbs = NULL, 1497 .prep_ms_iocb = qla24xx_prep_ms_iocb, 1498 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 1499 .read_nvram = qla25xx_read_nvram_data, 1500 .write_nvram = qla25xx_write_nvram_data, 1501 .fw_dump = qla25xx_fw_dump, 1502 .beacon_on = qla24xx_beacon_on, 1503 .beacon_off = qla24xx_beacon_off, 1504 .beacon_blink = qla24xx_beacon_blink, 1505 .read_optrom = qla25xx_read_optrom_data, 1506 .write_optrom = qla24xx_write_optrom_data, 1507 .get_flash_version = qla24xx_get_flash_version, 1508 .start_scsi = qla24xx_start_scsi, 1509 }; 1510 1511 static struct isp_operations qla81xx_isp_ops = { 1512 .pci_config = qla25xx_pci_config, 1513 .reset_chip = qla24xx_reset_chip, 1514 .chip_diag = qla24xx_chip_diag, 1515 .config_rings = qla24xx_config_rings, 1516 .reset_adapter = qla24xx_reset_adapter, 1517 .nvram_config = qla81xx_nvram_config, 1518 .update_fw_options = qla81xx_update_fw_options, 1519 .load_risc = qla81xx_load_risc, 1520 .pci_info_str = qla24xx_pci_info_str, 1521 .fw_version_str = qla24xx_fw_version_str, 1522 .intr_handler = qla24xx_intr_handler, 1523 .enable_intrs = qla24xx_enable_intrs, 1524 .disable_intrs = qla24xx_disable_intrs, 1525 .abort_command = qla24xx_abort_command, 1526 .target_reset = qla24xx_abort_target, 1527 .lun_reset = qla24xx_lun_reset, 1528 .fabric_login = qla24xx_login_fabric, 1529 .fabric_logout = qla24xx_fabric_logout, 1530 .calc_req_entries = NULL, 1531 .build_iocbs = NULL, 1532 .prep_ms_iocb = qla24xx_prep_ms_iocb, 1533 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 1534 .read_nvram = NULL, 1535 .write_nvram = NULL, 1536 .fw_dump = qla81xx_fw_dump, 1537 .beacon_on = qla24xx_beacon_on, 1538 .beacon_off = qla24xx_beacon_off, 1539 .beacon_blink = qla24xx_beacon_blink, 1540 .read_optrom = qla25xx_read_optrom_data, 1541 .write_optrom = qla24xx_write_optrom_data, 1542 .get_flash_version = qla24xx_get_flash_version, 1543 .start_scsi = qla24xx_start_scsi, 1544 }; 1545 1546 static inline void 1547 qla2x00_set_isp_flags(struct qla_hw_data *ha) 1548 { 1549 ha->device_type = DT_EXTENDED_IDS; 1550 switch (ha->pdev->device) { 1551 case PCI_DEVICE_ID_QLOGIC_ISP2100: 1552 ha->device_type |= DT_ISP2100; 1553 ha->device_type &= ~DT_EXTENDED_IDS; 1554 ha->fw_srisc_address = RISC_START_ADDRESS_2100; 1555 break; 1556 case PCI_DEVICE_ID_QLOGIC_ISP2200: 1557 ha->device_type |= DT_ISP2200; 1558 ha->device_type &= ~DT_EXTENDED_IDS; 1559 ha->fw_srisc_address = RISC_START_ADDRESS_2100; 1560 break; 1561 case PCI_DEVICE_ID_QLOGIC_ISP2300: 1562 ha->device_type |= DT_ISP2300; 1563 ha->device_type |= DT_ZIO_SUPPORTED; 1564 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 1565 break; 1566 case PCI_DEVICE_ID_QLOGIC_ISP2312: 1567 ha->device_type |= DT_ISP2312; 1568 ha->device_type |= DT_ZIO_SUPPORTED; 1569 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 1570 break; 1571 case PCI_DEVICE_ID_QLOGIC_ISP2322: 1572 ha->device_type |= DT_ISP2322; 1573 ha->device_type |= DT_ZIO_SUPPORTED; 1574 if (ha->pdev->subsystem_vendor == 0x1028 && 1575 ha->pdev->subsystem_device == 0x0170) 1576 ha->device_type |= DT_OEM_001; 1577 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 1578 break; 1579 case PCI_DEVICE_ID_QLOGIC_ISP6312: 1580 ha->device_type |= DT_ISP6312; 1581 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 1582 break; 1583 case PCI_DEVICE_ID_QLOGIC_ISP6322: 1584 ha->device_type |= DT_ISP6322; 1585 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 1586 break; 1587 case PCI_DEVICE_ID_QLOGIC_ISP2422: 1588 ha->device_type |= DT_ISP2422; 1589 ha->device_type |= DT_ZIO_SUPPORTED; 1590 ha->device_type |= DT_FWI2; 1591 ha->device_type |= DT_IIDMA; 1592 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1593 break; 1594 case PCI_DEVICE_ID_QLOGIC_ISP2432: 1595 ha->device_type |= DT_ISP2432; 1596 ha->device_type |= DT_ZIO_SUPPORTED; 1597 ha->device_type |= DT_FWI2; 1598 ha->device_type |= DT_IIDMA; 1599 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1600 break; 1601 case PCI_DEVICE_ID_QLOGIC_ISP8432: 1602 ha->device_type |= DT_ISP8432; 1603 ha->device_type |= DT_ZIO_SUPPORTED; 1604 ha->device_type |= DT_FWI2; 1605 ha->device_type |= DT_IIDMA; 1606 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1607 break; 1608 case PCI_DEVICE_ID_QLOGIC_ISP5422: 1609 ha->device_type |= DT_ISP5422; 1610 ha->device_type |= DT_FWI2; 1611 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1612 break; 1613 case PCI_DEVICE_ID_QLOGIC_ISP5432: 1614 ha->device_type |= DT_ISP5432; 1615 ha->device_type |= DT_FWI2; 1616 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1617 break; 1618 case PCI_DEVICE_ID_QLOGIC_ISP2532: 1619 ha->device_type |= DT_ISP2532; 1620 ha->device_type |= DT_ZIO_SUPPORTED; 1621 ha->device_type |= DT_FWI2; 1622 ha->device_type |= DT_IIDMA; 1623 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1624 break; 1625 case PCI_DEVICE_ID_QLOGIC_ISP8001: 1626 ha->device_type |= DT_ISP8001; 1627 ha->device_type |= DT_ZIO_SUPPORTED; 1628 ha->device_type |= DT_FWI2; 1629 ha->device_type |= DT_IIDMA; 1630 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 1631 break; 1632 } 1633 1634 /* Get adapter physical port no from interrupt pin register. */ 1635 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no); 1636 if (ha->port_no & 1) 1637 ha->flags.port0 = 1; 1638 else 1639 ha->flags.port0 = 0; 1640 } 1641 1642 static int 1643 qla2x00_iospace_config(struct qla_hw_data *ha) 1644 { 1645 resource_size_t pio; 1646 uint16_t msix; 1647 int cpus; 1648 1649 if (pci_request_selected_regions(ha->pdev, ha->bars, 1650 QLA2XXX_DRIVER_NAME)) { 1651 qla_printk(KERN_WARNING, ha, 1652 "Failed to reserve PIO/MMIO regions (%s)\n", 1653 pci_name(ha->pdev)); 1654 1655 goto iospace_error_exit; 1656 } 1657 if (!(ha->bars & 1)) 1658 goto skip_pio; 1659 1660 /* We only need PIO for Flash operations on ISP2312 v2 chips. */ 1661 pio = pci_resource_start(ha->pdev, 0); 1662 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { 1663 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { 1664 qla_printk(KERN_WARNING, ha, 1665 "Invalid PCI I/O region size (%s)...\n", 1666 pci_name(ha->pdev)); 1667 pio = 0; 1668 } 1669 } else { 1670 qla_printk(KERN_WARNING, ha, 1671 "region #0 not a PIO resource (%s)...\n", 1672 pci_name(ha->pdev)); 1673 pio = 0; 1674 } 1675 ha->pio_address = pio; 1676 1677 skip_pio: 1678 /* Use MMIO operations for all accesses. */ 1679 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { 1680 qla_printk(KERN_ERR, ha, 1681 "region #1 not an MMIO resource (%s), aborting\n", 1682 pci_name(ha->pdev)); 1683 goto iospace_error_exit; 1684 } 1685 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { 1686 qla_printk(KERN_ERR, ha, 1687 "Invalid PCI mem region size (%s), aborting\n", 1688 pci_name(ha->pdev)); 1689 goto iospace_error_exit; 1690 } 1691 1692 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); 1693 if (!ha->iobase) { 1694 qla_printk(KERN_ERR, ha, 1695 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); 1696 1697 goto iospace_error_exit; 1698 } 1699 1700 /* Determine queue resources */ 1701 ha->max_req_queues = ha->max_rsp_queues = 1; 1702 if ((ql2xmaxqueues <= 1 || ql2xmultique_tag < 1) && 1703 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) 1704 goto mqiobase_exit; 1705 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3), 1706 pci_resource_len(ha->pdev, 3)); 1707 if (ha->mqiobase) { 1708 /* Read MSIX vector size of the board */ 1709 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix); 1710 ha->msix_count = msix; 1711 /* Max queues are bounded by available msix vectors */ 1712 /* queue 0 uses two msix vectors */ 1713 if (ql2xmultique_tag) { 1714 cpus = num_online_cpus(); 1715 ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? 1716 (cpus + 1) : (ha->msix_count - 1); 1717 ha->max_req_queues = 2; 1718 } else if (ql2xmaxqueues > 1) { 1719 ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? 1720 QLA_MQ_SIZE : ql2xmaxqueues; 1721 DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no" 1722 " of request queues:%d\n", ha->max_req_queues)); 1723 } 1724 qla_printk(KERN_INFO, ha, 1725 "MSI-X vector count: %d\n", msix); 1726 } else 1727 qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n"); 1728 1729 mqiobase_exit: 1730 ha->msix_count = ha->max_rsp_queues + 1; 1731 return (0); 1732 1733 iospace_error_exit: 1734 return (-ENOMEM); 1735 } 1736 1737 static void 1738 qla2xxx_scan_start(struct Scsi_Host *shost) 1739 { 1740 scsi_qla_host_t *vha = shost_priv(shost); 1741 1742 if (vha->hw->flags.running_gold_fw) 1743 return; 1744 1745 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1746 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1747 set_bit(RSCN_UPDATE, &vha->dpc_flags); 1748 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); 1749 } 1750 1751 static int 1752 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) 1753 { 1754 scsi_qla_host_t *vha = shost_priv(shost); 1755 1756 if (!vha->host) 1757 return 1; 1758 if (time > vha->hw->loop_reset_delay * HZ) 1759 return 1; 1760 1761 return atomic_read(&vha->loop_state) == LOOP_READY; 1762 } 1763 1764 /* 1765 * PCI driver interface 1766 */ 1767 static int __devinit 1768 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1769 { 1770 int ret = -ENODEV; 1771 struct Scsi_Host *host; 1772 scsi_qla_host_t *base_vha = NULL; 1773 struct qla_hw_data *ha; 1774 char pci_info[30]; 1775 char fw_str[30]; 1776 struct scsi_host_template *sht; 1777 int bars, max_id, mem_only = 0; 1778 uint16_t req_length = 0, rsp_length = 0; 1779 struct req_que *req = NULL; 1780 struct rsp_que *rsp = NULL; 1781 1782 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); 1783 sht = &qla2xxx_driver_template; 1784 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || 1785 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || 1786 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || 1787 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || 1788 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || 1789 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || 1790 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001) { 1791 bars = pci_select_bars(pdev, IORESOURCE_MEM); 1792 mem_only = 1; 1793 } 1794 1795 if (mem_only) { 1796 if (pci_enable_device_mem(pdev)) 1797 goto probe_out; 1798 } else { 1799 if (pci_enable_device(pdev)) 1800 goto probe_out; 1801 } 1802 1803 /* This may fail but that's ok */ 1804 pci_enable_pcie_error_reporting(pdev); 1805 1806 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); 1807 if (!ha) { 1808 DEBUG(printk("Unable to allocate memory for ha\n")); 1809 goto probe_out; 1810 } 1811 ha->pdev = pdev; 1812 1813 /* Clear our data area */ 1814 ha->bars = bars; 1815 ha->mem_only = mem_only; 1816 spin_lock_init(&ha->hardware_lock); 1817 1818 /* Set ISP-type information. */ 1819 qla2x00_set_isp_flags(ha); 1820 1821 /* Set EEH reset type to fundamental if required by hba */ 1822 if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) { 1823 pdev->needs_freset = 1; 1824 pci_save_state(pdev); 1825 } 1826 1827 /* Configure PCI I/O space */ 1828 ret = qla2x00_iospace_config(ha); 1829 if (ret) 1830 goto probe_hw_failed; 1831 1832 qla_printk(KERN_INFO, ha, 1833 "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, 1834 ha->iobase); 1835 1836 ha->prev_topology = 0; 1837 ha->init_cb_size = sizeof(init_cb_t); 1838 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1839 ha->optrom_size = OPTROM_SIZE_2300; 1840 1841 /* Assign ISP specific operations. */ 1842 max_id = MAX_TARGETS_2200; 1843 if (IS_QLA2100(ha)) { 1844 max_id = MAX_TARGETS_2100; 1845 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; 1846 req_length = REQUEST_ENTRY_CNT_2100; 1847 rsp_length = RESPONSE_ENTRY_CNT_2100; 1848 ha->max_loop_id = SNS_LAST_LOOP_ID_2100; 1849 ha->gid_list_info_size = 4; 1850 ha->flash_conf_off = ~0; 1851 ha->flash_data_off = ~0; 1852 ha->nvram_conf_off = ~0; 1853 ha->nvram_data_off = ~0; 1854 ha->isp_ops = &qla2100_isp_ops; 1855 } else if (IS_QLA2200(ha)) { 1856 ha->mbx_count = MAILBOX_REGISTER_COUNT; 1857 req_length = REQUEST_ENTRY_CNT_2200; 1858 rsp_length = RESPONSE_ENTRY_CNT_2100; 1859 ha->max_loop_id = SNS_LAST_LOOP_ID_2100; 1860 ha->gid_list_info_size = 4; 1861 ha->flash_conf_off = ~0; 1862 ha->flash_data_off = ~0; 1863 ha->nvram_conf_off = ~0; 1864 ha->nvram_data_off = ~0; 1865 ha->isp_ops = &qla2100_isp_ops; 1866 } else if (IS_QLA23XX(ha)) { 1867 ha->mbx_count = MAILBOX_REGISTER_COUNT; 1868 req_length = REQUEST_ENTRY_CNT_2200; 1869 rsp_length = RESPONSE_ENTRY_CNT_2300; 1870 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 1871 ha->gid_list_info_size = 6; 1872 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1873 ha->optrom_size = OPTROM_SIZE_2322; 1874 ha->flash_conf_off = ~0; 1875 ha->flash_data_off = ~0; 1876 ha->nvram_conf_off = ~0; 1877 ha->nvram_data_off = ~0; 1878 ha->isp_ops = &qla2300_isp_ops; 1879 } else if (IS_QLA24XX_TYPE(ha)) { 1880 ha->mbx_count = MAILBOX_REGISTER_COUNT; 1881 req_length = REQUEST_ENTRY_CNT_24XX; 1882 rsp_length = RESPONSE_ENTRY_CNT_2300; 1883 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 1884 ha->init_cb_size = sizeof(struct mid_init_cb_24xx); 1885 ha->gid_list_info_size = 8; 1886 ha->optrom_size = OPTROM_SIZE_24XX; 1887 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX; 1888 ha->isp_ops = &qla24xx_isp_ops; 1889 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 1890 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 1891 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 1892 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 1893 } else if (IS_QLA25XX(ha)) { 1894 ha->mbx_count = MAILBOX_REGISTER_COUNT; 1895 req_length = REQUEST_ENTRY_CNT_24XX; 1896 rsp_length = RESPONSE_ENTRY_CNT_2300; 1897 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 1898 ha->init_cb_size = sizeof(struct mid_init_cb_24xx); 1899 ha->gid_list_info_size = 8; 1900 ha->optrom_size = OPTROM_SIZE_25XX; 1901 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 1902 ha->isp_ops = &qla25xx_isp_ops; 1903 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 1904 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 1905 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 1906 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 1907 } else if (IS_QLA81XX(ha)) { 1908 ha->mbx_count = MAILBOX_REGISTER_COUNT; 1909 req_length = REQUEST_ENTRY_CNT_24XX; 1910 rsp_length = RESPONSE_ENTRY_CNT_2300; 1911 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 1912 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 1913 ha->gid_list_info_size = 8; 1914 ha->optrom_size = OPTROM_SIZE_81XX; 1915 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 1916 ha->isp_ops = &qla81xx_isp_ops; 1917 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; 1918 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; 1919 ha->nvram_conf_off = ~0; 1920 ha->nvram_data_off = ~0; 1921 } 1922 1923 mutex_init(&ha->vport_lock); 1924 init_completion(&ha->mbx_cmd_comp); 1925 complete(&ha->mbx_cmd_comp); 1926 init_completion(&ha->mbx_intr_comp); 1927 1928 set_bit(0, (unsigned long *) ha->vp_idx_map); 1929 1930 qla2x00_config_dma_addressing(ha); 1931 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); 1932 if (!ret) { 1933 qla_printk(KERN_WARNING, ha, 1934 "[ERROR] Failed to allocate memory for adapter\n"); 1935 1936 goto probe_hw_failed; 1937 } 1938 1939 req->max_q_depth = MAX_Q_DEPTH; 1940 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) 1941 req->max_q_depth = ql2xmaxqdepth; 1942 1943 1944 base_vha = qla2x00_create_host(sht, ha); 1945 if (!base_vha) { 1946 qla_printk(KERN_WARNING, ha, 1947 "[ERROR] Failed to allocate memory for scsi_host\n"); 1948 1949 ret = -ENOMEM; 1950 qla2x00_mem_free(ha); 1951 qla2x00_free_req_que(ha, req); 1952 qla2x00_free_rsp_que(ha, rsp); 1953 goto probe_hw_failed; 1954 } 1955 1956 pci_set_drvdata(pdev, base_vha); 1957 1958 host = base_vha->host; 1959 base_vha->req = req; 1960 host->can_queue = req->length + 128; 1961 if (IS_QLA2XXX_MIDTYPE(ha)) 1962 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx; 1963 else 1964 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + 1965 base_vha->vp_idx; 1966 if (IS_QLA2100(ha)) 1967 host->sg_tablesize = 32; 1968 host->max_id = max_id; 1969 host->this_id = 255; 1970 host->cmd_per_lun = 3; 1971 host->unique_id = host->host_no; 1972 host->max_cmd_len = MAX_CMDSZ; 1973 host->max_channel = MAX_BUSES - 1; 1974 host->max_lun = MAX_LUNS; 1975 host->transportt = qla2xxx_transport_template; 1976 1977 /* Set up the irqs */ 1978 ret = qla2x00_request_irqs(ha, rsp); 1979 if (ret) 1980 goto probe_init_failed; 1981 /* Alloc arrays of request and response ring ptrs */ 1982 que_init: 1983 if (!qla2x00_alloc_queues(ha)) { 1984 qla_printk(KERN_WARNING, ha, 1985 "[ERROR] Failed to allocate memory for queue" 1986 " pointers\n"); 1987 goto probe_init_failed; 1988 } 1989 ha->rsp_q_map[0] = rsp; 1990 ha->req_q_map[0] = req; 1991 rsp->req = req; 1992 req->rsp = rsp; 1993 set_bit(0, ha->req_qid_map); 1994 set_bit(0, ha->rsp_qid_map); 1995 /* FWI2-capable only. */ 1996 req->req_q_in = &ha->iobase->isp24.req_q_in; 1997 req->req_q_out = &ha->iobase->isp24.req_q_out; 1998 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in; 1999 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out; 2000 if (ha->mqenable) { 2001 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; 2002 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; 2003 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; 2004 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out; 2005 } 2006 2007 if (qla2x00_initialize_adapter(base_vha)) { 2008 qla_printk(KERN_WARNING, ha, 2009 "Failed to initialize adapter\n"); 2010 2011 DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " 2012 "Adapter flags %x.\n", 2013 base_vha->host_no, base_vha->device_flags)); 2014 2015 ret = -ENODEV; 2016 goto probe_failed; 2017 } 2018 2019 if (ha->mqenable) { 2020 if (qla25xx_setup_mode(base_vha)) { 2021 qla_printk(KERN_WARNING, ha, 2022 "Can't create queues, falling back to single" 2023 " queue mode\n"); 2024 goto que_init; 2025 } 2026 } 2027 2028 if (ha->flags.running_gold_fw) 2029 goto skip_dpc; 2030 2031 /* 2032 * Startup the kernel thread for this host adapter 2033 */ 2034 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, 2035 "%s_dpc", base_vha->host_str); 2036 if (IS_ERR(ha->dpc_thread)) { 2037 qla_printk(KERN_WARNING, ha, 2038 "Unable to start DPC thread!\n"); 2039 ret = PTR_ERR(ha->dpc_thread); 2040 goto probe_failed; 2041 } 2042 2043 skip_dpc: 2044 list_add_tail(&base_vha->list, &ha->vp_list); 2045 base_vha->host->irq = ha->pdev->irq; 2046 2047 /* Initialized the timer */ 2048 qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); 2049 2050 DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", 2051 base_vha->host_no, ha)); 2052 2053 ret = scsi_add_host(host, &pdev->dev); 2054 if (ret) 2055 goto probe_failed; 2056 2057 base_vha->flags.init_done = 1; 2058 base_vha->flags.online = 1; 2059 2060 ha->isp_ops->enable_intrs(ha); 2061 2062 scsi_scan_host(host); 2063 2064 qla2x00_alloc_sysfs_attr(base_vha); 2065 2066 qla2x00_init_host_attr(base_vha); 2067 2068 qla2x00_dfs_setup(base_vha); 2069 2070 qla_printk(KERN_INFO, ha, "\n" 2071 " QLogic Fibre Channel HBA Driver: %s\n" 2072 " QLogic %s - %s\n" 2073 " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", 2074 qla2x00_version_str, ha->model_number, 2075 ha->model_desc ? ha->model_desc : "", pdev->device, 2076 ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev), 2077 ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no, 2078 ha->isp_ops->fw_version_str(base_vha, fw_str)); 2079 2080 return 0; 2081 2082 probe_init_failed: 2083 qla2x00_free_req_que(ha, req); 2084 qla2x00_free_rsp_que(ha, rsp); 2085 ha->max_req_queues = ha->max_rsp_queues = 0; 2086 2087 probe_failed: 2088 if (base_vha->timer_active) 2089 qla2x00_stop_timer(base_vha); 2090 base_vha->flags.online = 0; 2091 if (ha->dpc_thread) { 2092 struct task_struct *t = ha->dpc_thread; 2093 2094 ha->dpc_thread = NULL; 2095 kthread_stop(t); 2096 } 2097 2098 qla2x00_free_device(base_vha); 2099 2100 scsi_host_put(base_vha->host); 2101 2102 probe_hw_failed: 2103 if (ha->iobase) 2104 iounmap(ha->iobase); 2105 2106 pci_release_selected_regions(ha->pdev, ha->bars); 2107 kfree(ha); 2108 ha = NULL; 2109 2110 probe_out: 2111 pci_disable_device(pdev); 2112 return ret; 2113 } 2114 2115 static void 2116 qla2x00_remove_one(struct pci_dev *pdev) 2117 { 2118 scsi_qla_host_t *base_vha, *vha, *temp; 2119 struct qla_hw_data *ha; 2120 2121 base_vha = pci_get_drvdata(pdev); 2122 ha = base_vha->hw; 2123 2124 list_for_each_entry_safe(vha, temp, &ha->vp_list, list) { 2125 if (vha && vha->fc_vport) 2126 fc_vport_terminate(vha->fc_vport); 2127 } 2128 2129 set_bit(UNLOADING, &base_vha->dpc_flags); 2130 2131 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); 2132 2133 qla2x00_dfs_remove(base_vha); 2134 2135 qla84xx_put_chip(base_vha); 2136 2137 /* Disable timer */ 2138 if (base_vha->timer_active) 2139 qla2x00_stop_timer(base_vha); 2140 2141 base_vha->flags.online = 0; 2142 2143 /* Flush the work queue and remove it */ 2144 if (ha->wq) { 2145 flush_workqueue(ha->wq); 2146 destroy_workqueue(ha->wq); 2147 ha->wq = NULL; 2148 } 2149 2150 /* Kill the kernel thread for this host */ 2151 if (ha->dpc_thread) { 2152 struct task_struct *t = ha->dpc_thread; 2153 2154 /* 2155 * qla2xxx_wake_dpc checks for ->dpc_thread 2156 * so we need to zero it out. 2157 */ 2158 ha->dpc_thread = NULL; 2159 kthread_stop(t); 2160 } 2161 2162 qla2x00_free_sysfs_attr(base_vha); 2163 2164 fc_remove_host(base_vha->host); 2165 2166 scsi_remove_host(base_vha->host); 2167 2168 qla2x00_free_device(base_vha); 2169 2170 scsi_host_put(base_vha->host); 2171 2172 if (ha->iobase) 2173 iounmap(ha->iobase); 2174 2175 if (ha->mqiobase) 2176 iounmap(ha->mqiobase); 2177 2178 pci_release_selected_regions(ha->pdev, ha->bars); 2179 kfree(ha); 2180 ha = NULL; 2181 2182 pci_disable_device(pdev); 2183 pci_set_drvdata(pdev, NULL); 2184 } 2185 2186 static void 2187 qla2x00_free_device(scsi_qla_host_t *vha) 2188 { 2189 struct qla_hw_data *ha = vha->hw; 2190 2191 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 2192 2193 /* Disable timer */ 2194 if (vha->timer_active) 2195 qla2x00_stop_timer(vha); 2196 2197 /* Kill the kernel thread for this host */ 2198 if (ha->dpc_thread) { 2199 struct task_struct *t = ha->dpc_thread; 2200 2201 /* 2202 * qla2xxx_wake_dpc checks for ->dpc_thread 2203 * so we need to zero it out. 2204 */ 2205 ha->dpc_thread = NULL; 2206 kthread_stop(t); 2207 } 2208 2209 qla25xx_delete_queues(vha); 2210 2211 if (ha->flags.fce_enabled) 2212 qla2x00_disable_fce_trace(vha, NULL, NULL); 2213 2214 if (ha->eft) 2215 qla2x00_disable_eft_trace(vha); 2216 2217 /* Stop currently executing firmware. */ 2218 qla2x00_try_to_stop_firmware(vha); 2219 2220 vha->flags.online = 0; 2221 2222 /* turn-off interrupts on the card */ 2223 if (ha->interrupts_on) 2224 ha->isp_ops->disable_intrs(ha); 2225 2226 qla2x00_free_irqs(vha); 2227 2228 qla2x00_mem_free(ha); 2229 2230 qla2x00_free_queues(ha); 2231 } 2232 2233 static inline void 2234 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, 2235 int defer) 2236 { 2237 struct fc_rport *rport; 2238 scsi_qla_host_t *base_vha; 2239 2240 if (!fcport->rport) 2241 return; 2242 2243 rport = fcport->rport; 2244 if (defer) { 2245 base_vha = pci_get_drvdata(vha->hw->pdev); 2246 spin_lock_irq(vha->host->host_lock); 2247 fcport->drport = rport; 2248 spin_unlock_irq(vha->host->host_lock); 2249 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); 2250 qla2xxx_wake_dpc(base_vha); 2251 } else 2252 fc_remote_port_delete(rport); 2253 } 2254 2255 /* 2256 * qla2x00_mark_device_lost Updates fcport state when device goes offline. 2257 * 2258 * Input: ha = adapter block pointer. fcport = port structure pointer. 2259 * 2260 * Return: None. 2261 * 2262 * Context: 2263 */ 2264 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, 2265 int do_login, int defer) 2266 { 2267 if (atomic_read(&fcport->state) == FCS_ONLINE && 2268 vha->vp_idx == fcport->vp_idx) { 2269 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2270 qla2x00_schedule_rport_del(vha, fcport, defer); 2271 } 2272 /* 2273 * We may need to retry the login, so don't change the state of the 2274 * port but do the retries. 2275 */ 2276 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) 2277 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2278 2279 if (!do_login) 2280 return; 2281 2282 if (fcport->login_retry == 0) { 2283 fcport->login_retry = vha->hw->login_retry_count; 2284 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2285 2286 DEBUG(printk("scsi(%ld): Port login retry: " 2287 "%02x%02x%02x%02x%02x%02x%02x%02x, " 2288 "id = 0x%04x retry cnt=%d\n", 2289 vha->host_no, 2290 fcport->port_name[0], 2291 fcport->port_name[1], 2292 fcport->port_name[2], 2293 fcport->port_name[3], 2294 fcport->port_name[4], 2295 fcport->port_name[5], 2296 fcport->port_name[6], 2297 fcport->port_name[7], 2298 fcport->loop_id, 2299 fcport->login_retry)); 2300 } 2301 } 2302 2303 /* 2304 * qla2x00_mark_all_devices_lost 2305 * Updates fcport state when device goes offline. 2306 * 2307 * Input: 2308 * ha = adapter block pointer. 2309 * fcport = port structure pointer. 2310 * 2311 * Return: 2312 * None. 2313 * 2314 * Context: 2315 */ 2316 void 2317 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer) 2318 { 2319 fc_port_t *fcport; 2320 2321 list_for_each_entry(fcport, &vha->vp_fcports, list) { 2322 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx) 2323 continue; 2324 2325 /* 2326 * No point in marking the device as lost, if the device is 2327 * already DEAD. 2328 */ 2329 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) 2330 continue; 2331 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2332 if (defer) 2333 qla2x00_schedule_rport_del(vha, fcport, defer); 2334 else if (vha->vp_idx == fcport->vp_idx) 2335 qla2x00_schedule_rport_del(vha, fcport, defer); 2336 } 2337 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2338 } 2339 } 2340 2341 /* 2342 * qla2x00_mem_alloc 2343 * Allocates adapter memory. 2344 * 2345 * Returns: 2346 * 0 = success. 2347 * !0 = failure. 2348 */ 2349 static int 2350 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, 2351 struct req_que **req, struct rsp_que **rsp) 2352 { 2353 char name[16]; 2354 2355 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, 2356 &ha->init_cb_dma, GFP_KERNEL); 2357 if (!ha->init_cb) 2358 goto fail; 2359 2360 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, 2361 &ha->gid_list_dma, GFP_KERNEL); 2362 if (!ha->gid_list) 2363 goto fail_free_init_cb; 2364 2365 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); 2366 if (!ha->srb_mempool) 2367 goto fail_free_gid_list; 2368 2369 /* Get memory for cached NVRAM */ 2370 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); 2371 if (!ha->nvram) 2372 goto fail_free_srb_mempool; 2373 2374 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, 2375 ha->pdev->device); 2376 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, 2377 DMA_POOL_SIZE, 8, 0); 2378 if (!ha->s_dma_pool) 2379 goto fail_free_nvram; 2380 2381 /* Allocate memory for SNS commands */ 2382 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 2383 /* Get consistent memory allocated for SNS commands */ 2384 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, 2385 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); 2386 if (!ha->sns_cmd) 2387 goto fail_dma_pool; 2388 } else { 2389 /* Get consistent memory allocated for MS IOCB */ 2390 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, 2391 &ha->ms_iocb_dma); 2392 if (!ha->ms_iocb) 2393 goto fail_dma_pool; 2394 /* Get consistent memory allocated for CT SNS commands */ 2395 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, 2396 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); 2397 if (!ha->ct_sns) 2398 goto fail_free_ms_iocb; 2399 } 2400 2401 /* Allocate memory for request ring */ 2402 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); 2403 if (!*req) { 2404 DEBUG(printk("Unable to allocate memory for req\n")); 2405 goto fail_req; 2406 } 2407 (*req)->length = req_len; 2408 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev, 2409 ((*req)->length + 1) * sizeof(request_t), 2410 &(*req)->dma, GFP_KERNEL); 2411 if (!(*req)->ring) { 2412 DEBUG(printk("Unable to allocate memory for req_ring\n")); 2413 goto fail_req_ring; 2414 } 2415 /* Allocate memory for response ring */ 2416 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); 2417 if (!*rsp) { 2418 qla_printk(KERN_WARNING, ha, 2419 "Unable to allocate memory for rsp\n"); 2420 goto fail_rsp; 2421 } 2422 (*rsp)->hw = ha; 2423 (*rsp)->length = rsp_len; 2424 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev, 2425 ((*rsp)->length + 1) * sizeof(response_t), 2426 &(*rsp)->dma, GFP_KERNEL); 2427 if (!(*rsp)->ring) { 2428 qla_printk(KERN_WARNING, ha, 2429 "Unable to allocate memory for rsp_ring\n"); 2430 goto fail_rsp_ring; 2431 } 2432 (*req)->rsp = *rsp; 2433 (*rsp)->req = *req; 2434 /* Allocate memory for NVRAM data for vports */ 2435 if (ha->nvram_npiv_size) { 2436 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) * 2437 ha->nvram_npiv_size, GFP_KERNEL); 2438 if (!ha->npiv_info) { 2439 qla_printk(KERN_WARNING, ha, 2440 "Unable to allocate memory for npiv info\n"); 2441 goto fail_npiv_info; 2442 } 2443 } else 2444 ha->npiv_info = NULL; 2445 2446 /* Get consistent memory allocated for EX-INIT-CB. */ 2447 if (IS_QLA81XX(ha)) { 2448 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, 2449 &ha->ex_init_cb_dma); 2450 if (!ha->ex_init_cb) 2451 goto fail_ex_init_cb; 2452 } 2453 2454 INIT_LIST_HEAD(&ha->vp_list); 2455 return 1; 2456 2457 fail_ex_init_cb: 2458 kfree(ha->npiv_info); 2459 fail_npiv_info: 2460 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * 2461 sizeof(response_t), (*rsp)->ring, (*rsp)->dma); 2462 (*rsp)->ring = NULL; 2463 (*rsp)->dma = 0; 2464 fail_rsp_ring: 2465 kfree(*rsp); 2466 fail_rsp: 2467 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * 2468 sizeof(request_t), (*req)->ring, (*req)->dma); 2469 (*req)->ring = NULL; 2470 (*req)->dma = 0; 2471 fail_req_ring: 2472 kfree(*req); 2473 fail_req: 2474 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), 2475 ha->ct_sns, ha->ct_sns_dma); 2476 ha->ct_sns = NULL; 2477 ha->ct_sns_dma = 0; 2478 fail_free_ms_iocb: 2479 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); 2480 ha->ms_iocb = NULL; 2481 ha->ms_iocb_dma = 0; 2482 fail_dma_pool: 2483 dma_pool_destroy(ha->s_dma_pool); 2484 ha->s_dma_pool = NULL; 2485 fail_free_nvram: 2486 kfree(ha->nvram); 2487 ha->nvram = NULL; 2488 fail_free_srb_mempool: 2489 mempool_destroy(ha->srb_mempool); 2490 ha->srb_mempool = NULL; 2491 fail_free_gid_list: 2492 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, 2493 ha->gid_list_dma); 2494 ha->gid_list = NULL; 2495 ha->gid_list_dma = 0; 2496 fail_free_init_cb: 2497 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, 2498 ha->init_cb_dma); 2499 ha->init_cb = NULL; 2500 ha->init_cb_dma = 0; 2501 fail: 2502 DEBUG(printk("%s: Memory allocation failure\n", __func__)); 2503 return -ENOMEM; 2504 } 2505 2506 /* 2507 * qla2x00_mem_free 2508 * Frees all adapter allocated memory. 2509 * 2510 * Input: 2511 * ha = adapter block pointer. 2512 */ 2513 static void 2514 qla2x00_mem_free(struct qla_hw_data *ha) 2515 { 2516 if (ha->srb_mempool) 2517 mempool_destroy(ha->srb_mempool); 2518 2519 if (ha->fce) 2520 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, 2521 ha->fce_dma); 2522 2523 if (ha->fw_dump) { 2524 if (ha->eft) 2525 dma_free_coherent(&ha->pdev->dev, 2526 ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); 2527 vfree(ha->fw_dump); 2528 } 2529 2530 if (ha->dcbx_tlv) 2531 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, 2532 ha->dcbx_tlv, ha->dcbx_tlv_dma); 2533 2534 if (ha->xgmac_data) 2535 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, 2536 ha->xgmac_data, ha->xgmac_data_dma); 2537 2538 if (ha->sns_cmd) 2539 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), 2540 ha->sns_cmd, ha->sns_cmd_dma); 2541 2542 if (ha->ct_sns) 2543 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), 2544 ha->ct_sns, ha->ct_sns_dma); 2545 2546 if (ha->sfp_data) 2547 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); 2548 2549 if (ha->edc_data) 2550 dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma); 2551 2552 if (ha->ms_iocb) 2553 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); 2554 2555 if (ha->ex_init_cb) 2556 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); 2557 2558 if (ha->s_dma_pool) 2559 dma_pool_destroy(ha->s_dma_pool); 2560 2561 if (ha->gid_list) 2562 dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, 2563 ha->gid_list_dma); 2564 2565 if (ha->init_cb) 2566 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, 2567 ha->init_cb, ha->init_cb_dma); 2568 vfree(ha->optrom_buffer); 2569 kfree(ha->nvram); 2570 kfree(ha->npiv_info); 2571 2572 ha->srb_mempool = NULL; 2573 ha->eft = NULL; 2574 ha->eft_dma = 0; 2575 ha->sns_cmd = NULL; 2576 ha->sns_cmd_dma = 0; 2577 ha->ct_sns = NULL; 2578 ha->ct_sns_dma = 0; 2579 ha->ms_iocb = NULL; 2580 ha->ms_iocb_dma = 0; 2581 ha->init_cb = NULL; 2582 ha->init_cb_dma = 0; 2583 ha->ex_init_cb = NULL; 2584 ha->ex_init_cb_dma = 0; 2585 2586 ha->s_dma_pool = NULL; 2587 2588 ha->gid_list = NULL; 2589 ha->gid_list_dma = 0; 2590 2591 ha->fw_dump = NULL; 2592 ha->fw_dumped = 0; 2593 ha->fw_dump_reading = 0; 2594 } 2595 2596 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, 2597 struct qla_hw_data *ha) 2598 { 2599 struct Scsi_Host *host; 2600 struct scsi_qla_host *vha = NULL; 2601 2602 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); 2603 if (host == NULL) { 2604 printk(KERN_WARNING 2605 "qla2xxx: Couldn't allocate host from scsi layer!\n"); 2606 goto fail; 2607 } 2608 2609 /* Clear our data area */ 2610 vha = shost_priv(host); 2611 memset(vha, 0, sizeof(scsi_qla_host_t)); 2612 2613 vha->host = host; 2614 vha->host_no = host->host_no; 2615 vha->hw = ha; 2616 2617 INIT_LIST_HEAD(&vha->vp_fcports); 2618 INIT_LIST_HEAD(&vha->work_list); 2619 INIT_LIST_HEAD(&vha->list); 2620 2621 spin_lock_init(&vha->work_lock); 2622 2623 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); 2624 return vha; 2625 2626 fail: 2627 return vha; 2628 } 2629 2630 static struct qla_work_evt * 2631 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type) 2632 { 2633 struct qla_work_evt *e; 2634 2635 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); 2636 if (!e) 2637 return NULL; 2638 2639 INIT_LIST_HEAD(&e->list); 2640 e->type = type; 2641 e->flags = QLA_EVT_FLAG_FREE; 2642 return e; 2643 } 2644 2645 static int 2646 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) 2647 { 2648 unsigned long flags; 2649 2650 spin_lock_irqsave(&vha->work_lock, flags); 2651 list_add_tail(&e->list, &vha->work_list); 2652 spin_unlock_irqrestore(&vha->work_lock, flags); 2653 qla2xxx_wake_dpc(vha); 2654 2655 return QLA_SUCCESS; 2656 } 2657 2658 int 2659 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, 2660 u32 data) 2661 { 2662 struct qla_work_evt *e; 2663 2664 e = qla2x00_alloc_work(vha, QLA_EVT_AEN); 2665 if (!e) 2666 return QLA_FUNCTION_FAILED; 2667 2668 e->u.aen.code = code; 2669 e->u.aen.data = data; 2670 return qla2x00_post_work(vha, e); 2671 } 2672 2673 int 2674 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb) 2675 { 2676 struct qla_work_evt *e; 2677 2678 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK); 2679 if (!e) 2680 return QLA_FUNCTION_FAILED; 2681 2682 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t)); 2683 return qla2x00_post_work(vha, e); 2684 } 2685 2686 #define qla2x00_post_async_work(name, type) \ 2687 int qla2x00_post_async_##name##_work( \ 2688 struct scsi_qla_host *vha, \ 2689 fc_port_t *fcport, uint16_t *data) \ 2690 { \ 2691 struct qla_work_evt *e; \ 2692 \ 2693 e = qla2x00_alloc_work(vha, type); \ 2694 if (!e) \ 2695 return QLA_FUNCTION_FAILED; \ 2696 \ 2697 e->u.logio.fcport = fcport; \ 2698 if (data) { \ 2699 e->u.logio.data[0] = data[0]; \ 2700 e->u.logio.data[1] = data[1]; \ 2701 } \ 2702 return qla2x00_post_work(vha, e); \ 2703 } 2704 2705 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN); 2706 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE); 2707 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT); 2708 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE); 2709 2710 int 2711 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code) 2712 { 2713 struct qla_work_evt *e; 2714 2715 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT); 2716 if (!e) 2717 return QLA_FUNCTION_FAILED; 2718 2719 e->u.uevent.code = code; 2720 return qla2x00_post_work(vha, e); 2721 } 2722 2723 static void 2724 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) 2725 { 2726 char event_string[40]; 2727 char *envp[] = { event_string, NULL }; 2728 2729 switch (code) { 2730 case QLA_UEVENT_CODE_FW_DUMP: 2731 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", 2732 vha->host_no); 2733 break; 2734 default: 2735 /* do nothing */ 2736 break; 2737 } 2738 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp); 2739 } 2740 2741 void 2742 qla2x00_do_work(struct scsi_qla_host *vha) 2743 { 2744 struct qla_work_evt *e, *tmp; 2745 unsigned long flags; 2746 LIST_HEAD(work); 2747 2748 spin_lock_irqsave(&vha->work_lock, flags); 2749 list_splice_init(&vha->work_list, &work); 2750 spin_unlock_irqrestore(&vha->work_lock, flags); 2751 2752 list_for_each_entry_safe(e, tmp, &work, list) { 2753 list_del_init(&e->list); 2754 2755 switch (e->type) { 2756 case QLA_EVT_AEN: 2757 fc_host_post_event(vha->host, fc_get_event_number(), 2758 e->u.aen.code, e->u.aen.data); 2759 break; 2760 case QLA_EVT_IDC_ACK: 2761 qla81xx_idc_ack(vha, e->u.idc_ack.mb); 2762 break; 2763 case QLA_EVT_ASYNC_LOGIN: 2764 qla2x00_async_login(vha, e->u.logio.fcport, 2765 e->u.logio.data); 2766 break; 2767 case QLA_EVT_ASYNC_LOGIN_DONE: 2768 qla2x00_async_login_done(vha, e->u.logio.fcport, 2769 e->u.logio.data); 2770 break; 2771 case QLA_EVT_ASYNC_LOGOUT: 2772 qla2x00_async_logout(vha, e->u.logio.fcport); 2773 break; 2774 case QLA_EVT_ASYNC_LOGOUT_DONE: 2775 qla2x00_async_logout_done(vha, e->u.logio.fcport, 2776 e->u.logio.data); 2777 break; 2778 case QLA_EVT_UEVENT: 2779 qla2x00_uevent_emit(vha, e->u.uevent.code); 2780 break; 2781 } 2782 if (e->flags & QLA_EVT_FLAG_FREE) 2783 kfree(e); 2784 } 2785 } 2786 2787 /* Relogins all the fcports of a vport 2788 * Context: dpc thread 2789 */ 2790 void qla2x00_relogin(struct scsi_qla_host *vha) 2791 { 2792 fc_port_t *fcport; 2793 int status; 2794 uint16_t next_loopid = 0; 2795 struct qla_hw_data *ha = vha->hw; 2796 uint16_t data[2]; 2797 2798 list_for_each_entry(fcport, &vha->vp_fcports, list) { 2799 /* 2800 * If the port is not ONLINE then try to login 2801 * to it if we haven't run out of retries. 2802 */ 2803 if (atomic_read(&fcport->state) != 2804 FCS_ONLINE && fcport->login_retry) { 2805 2806 fcport->login_retry--; 2807 if (fcport->flags & FCF_FABRIC_DEVICE) { 2808 if (fcport->flags & FCF_TAPE_PRESENT) 2809 ha->isp_ops->fabric_logout(vha, 2810 fcport->loop_id, 2811 fcport->d_id.b.domain, 2812 fcport->d_id.b.area, 2813 fcport->d_id.b.al_pa); 2814 2815 if (IS_ALOGIO_CAPABLE(ha)) { 2816 data[0] = 0; 2817 data[1] = QLA_LOGIO_LOGIN_RETRIED; 2818 status = qla2x00_post_async_login_work( 2819 vha, fcport, data); 2820 if (status == QLA_SUCCESS) 2821 continue; 2822 /* Attempt a retry. */ 2823 status = 1; 2824 } else 2825 status = qla2x00_fabric_login(vha, 2826 fcport, &next_loopid); 2827 } else 2828 status = qla2x00_local_device_login(vha, 2829 fcport); 2830 2831 if (status == QLA_SUCCESS) { 2832 fcport->old_loop_id = fcport->loop_id; 2833 2834 DEBUG(printk("scsi(%ld): port login OK: logged " 2835 "in ID 0x%x\n", vha->host_no, fcport->loop_id)); 2836 2837 qla2x00_update_fcport(vha, fcport); 2838 2839 } else if (status == 1) { 2840 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2841 /* retry the login again */ 2842 DEBUG(printk("scsi(%ld): Retrying" 2843 " %d login again loop_id 0x%x\n", 2844 vha->host_no, fcport->login_retry, 2845 fcport->loop_id)); 2846 } else { 2847 fcport->login_retry = 0; 2848 } 2849 2850 if (fcport->login_retry == 0 && status != QLA_SUCCESS) 2851 fcport->loop_id = FC_NO_LOOP_ID; 2852 } 2853 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 2854 break; 2855 } 2856 } 2857 2858 /************************************************************************** 2859 * qla2x00_do_dpc 2860 * This kernel thread is a task that is schedule by the interrupt handler 2861 * to perform the background processing for interrupts. 2862 * 2863 * Notes: 2864 * This task always run in the context of a kernel thread. It 2865 * is kick-off by the driver's detect code and starts up 2866 * up one per adapter. It immediately goes to sleep and waits for 2867 * some fibre event. When either the interrupt handler or 2868 * the timer routine detects a event it will one of the task 2869 * bits then wake us up. 2870 **************************************************************************/ 2871 static int 2872 qla2x00_do_dpc(void *data) 2873 { 2874 int rval; 2875 scsi_qla_host_t *base_vha; 2876 struct qla_hw_data *ha; 2877 2878 ha = (struct qla_hw_data *)data; 2879 base_vha = pci_get_drvdata(ha->pdev); 2880 2881 set_user_nice(current, -20); 2882 2883 while (!kthread_should_stop()) { 2884 DEBUG3(printk("qla2x00: DPC handler sleeping\n")); 2885 2886 set_current_state(TASK_INTERRUPTIBLE); 2887 schedule(); 2888 __set_current_state(TASK_RUNNING); 2889 2890 DEBUG3(printk("qla2x00: DPC handler waking up\n")); 2891 2892 /* Initialization not yet finished. Don't do anything yet. */ 2893 if (!base_vha->flags.init_done) 2894 continue; 2895 2896 if (ha->flags.eeh_busy) { 2897 DEBUG17(qla_printk(KERN_WARNING, ha, 2898 "qla2x00_do_dpc: dpc_flags: %lx\n", 2899 base_vha->dpc_flags)); 2900 continue; 2901 } 2902 2903 DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no)); 2904 2905 ha->dpc_active = 1; 2906 2907 if (ha->flags.mbox_busy) { 2908 ha->dpc_active = 0; 2909 continue; 2910 } 2911 2912 qla2x00_do_work(base_vha); 2913 2914 if (test_and_clear_bit(ISP_ABORT_NEEDED, 2915 &base_vha->dpc_flags)) { 2916 2917 DEBUG(printk("scsi(%ld): dpc: sched " 2918 "qla2x00_abort_isp ha = %p\n", 2919 base_vha->host_no, ha)); 2920 if (!(test_and_set_bit(ABORT_ISP_ACTIVE, 2921 &base_vha->dpc_flags))) { 2922 2923 if (qla2x00_abort_isp(base_vha)) { 2924 /* failed. retry later */ 2925 set_bit(ISP_ABORT_NEEDED, 2926 &base_vha->dpc_flags); 2927 } 2928 clear_bit(ABORT_ISP_ACTIVE, 2929 &base_vha->dpc_flags); 2930 } 2931 2932 DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", 2933 base_vha->host_no)); 2934 } 2935 2936 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) { 2937 qla2x00_update_fcports(base_vha); 2938 clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); 2939 } 2940 2941 if (test_and_clear_bit(RESET_MARKER_NEEDED, 2942 &base_vha->dpc_flags) && 2943 (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { 2944 2945 DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", 2946 base_vha->host_no)); 2947 2948 qla2x00_rst_aen(base_vha); 2949 clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); 2950 } 2951 2952 /* Retry each device up to login retry count */ 2953 if ((test_and_clear_bit(RELOGIN_NEEDED, 2954 &base_vha->dpc_flags)) && 2955 !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) && 2956 atomic_read(&base_vha->loop_state) != LOOP_DOWN) { 2957 2958 DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", 2959 base_vha->host_no)); 2960 qla2x00_relogin(base_vha); 2961 2962 DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", 2963 base_vha->host_no)); 2964 } 2965 2966 if (test_and_clear_bit(LOOP_RESYNC_NEEDED, 2967 &base_vha->dpc_flags)) { 2968 2969 DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", 2970 base_vha->host_no)); 2971 2972 if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, 2973 &base_vha->dpc_flags))) { 2974 2975 rval = qla2x00_loop_resync(base_vha); 2976 2977 clear_bit(LOOP_RESYNC_ACTIVE, 2978 &base_vha->dpc_flags); 2979 } 2980 2981 DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", 2982 base_vha->host_no)); 2983 } 2984 2985 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) && 2986 atomic_read(&base_vha->loop_state) == LOOP_READY) { 2987 clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags); 2988 qla2xxx_flash_npiv_conf(base_vha); 2989 } 2990 2991 if (!ha->interrupts_on) 2992 ha->isp_ops->enable_intrs(ha); 2993 2994 if (test_and_clear_bit(BEACON_BLINK_NEEDED, 2995 &base_vha->dpc_flags)) 2996 ha->isp_ops->beacon_blink(base_vha); 2997 2998 qla2x00_do_dpc_all_vps(base_vha); 2999 3000 ha->dpc_active = 0; 3001 } /* End of while(1) */ 3002 3003 DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no)); 3004 3005 /* 3006 * Make sure that nobody tries to wake us up again. 3007 */ 3008 ha->dpc_active = 0; 3009 3010 /* Cleanup any residual CTX SRBs. */ 3011 qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); 3012 3013 return 0; 3014 } 3015 3016 void 3017 qla2xxx_wake_dpc(struct scsi_qla_host *vha) 3018 { 3019 struct qla_hw_data *ha = vha->hw; 3020 struct task_struct *t = ha->dpc_thread; 3021 3022 if (!test_bit(UNLOADING, &vha->dpc_flags) && t) 3023 wake_up_process(t); 3024 } 3025 3026 /* 3027 * qla2x00_rst_aen 3028 * Processes asynchronous reset. 3029 * 3030 * Input: 3031 * ha = adapter block pointer. 3032 */ 3033 static void 3034 qla2x00_rst_aen(scsi_qla_host_t *vha) 3035 { 3036 if (vha->flags.online && !vha->flags.reset_active && 3037 !atomic_read(&vha->loop_down_timer) && 3038 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) { 3039 do { 3040 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 3041 3042 /* 3043 * Issue marker command only when we are going to start 3044 * the I/O. 3045 */ 3046 vha->marker_needed = 1; 3047 } while (!atomic_read(&vha->loop_down_timer) && 3048 (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags))); 3049 } 3050 } 3051 3052 static void 3053 qla2x00_sp_free_dma(srb_t *sp) 3054 { 3055 struct scsi_cmnd *cmd = sp->cmd; 3056 3057 if (sp->flags & SRB_DMA_VALID) { 3058 scsi_dma_unmap(cmd); 3059 sp->flags &= ~SRB_DMA_VALID; 3060 } 3061 CMD_SP(cmd) = NULL; 3062 } 3063 3064 void 3065 qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp) 3066 { 3067 struct scsi_cmnd *cmd = sp->cmd; 3068 3069 qla2x00_sp_free_dma(sp); 3070 3071 mempool_free(sp, ha->srb_mempool); 3072 3073 cmd->scsi_done(cmd); 3074 } 3075 3076 /************************************************************************** 3077 * qla2x00_timer 3078 * 3079 * Description: 3080 * One second timer 3081 * 3082 * Context: Interrupt 3083 ***************************************************************************/ 3084 void 3085 qla2x00_timer(scsi_qla_host_t *vha) 3086 { 3087 unsigned long cpu_flags = 0; 3088 fc_port_t *fcport; 3089 int start_dpc = 0; 3090 int index; 3091 srb_t *sp; 3092 int t; 3093 uint16_t w; 3094 struct qla_hw_data *ha = vha->hw; 3095 struct req_que *req; 3096 3097 /* Hardware read to raise pending EEH errors during mailbox waits. */ 3098 if (!pci_channel_offline(ha->pdev)) 3099 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 3100 /* 3101 * Ports - Port down timer. 3102 * 3103 * Whenever, a port is in the LOST state we start decrementing its port 3104 * down timer every second until it reaches zero. Once it reaches zero 3105 * the port it marked DEAD. 3106 */ 3107 t = 0; 3108 list_for_each_entry(fcport, &vha->vp_fcports, list) { 3109 if (fcport->port_type != FCT_TARGET) 3110 continue; 3111 3112 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 3113 3114 if (atomic_read(&fcport->port_down_timer) == 0) 3115 continue; 3116 3117 if (atomic_dec_and_test(&fcport->port_down_timer) != 0) 3118 atomic_set(&fcport->state, FCS_DEVICE_DEAD); 3119 3120 DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " 3121 "%d remaining\n", 3122 vha->host_no, 3123 t, atomic_read(&fcport->port_down_timer))); 3124 } 3125 t++; 3126 } /* End of for fcport */ 3127 3128 3129 /* Loop down handler. */ 3130 if (atomic_read(&vha->loop_down_timer) > 0 && 3131 !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 3132 && vha->flags.online) { 3133 3134 if (atomic_read(&vha->loop_down_timer) == 3135 vha->loop_down_abort_time) { 3136 3137 DEBUG(printk("scsi(%ld): Loop Down - aborting the " 3138 "queues before time expire\n", 3139 vha->host_no)); 3140 3141 if (!IS_QLA2100(ha) && vha->link_down_timeout) 3142 atomic_set(&vha->loop_state, LOOP_DEAD); 3143 3144 /* Schedule an ISP abort to return any tape commands. */ 3145 /* NPIV - scan physical port only */ 3146 if (!vha->vp_idx) { 3147 spin_lock_irqsave(&ha->hardware_lock, 3148 cpu_flags); 3149 req = ha->req_q_map[0]; 3150 for (index = 1; 3151 index < MAX_OUTSTANDING_COMMANDS; 3152 index++) { 3153 fc_port_t *sfcp; 3154 3155 sp = req->outstanding_cmds[index]; 3156 if (!sp) 3157 continue; 3158 if (sp->ctx) 3159 continue; 3160 sfcp = sp->fcport; 3161 if (!(sfcp->flags & FCF_TAPE_PRESENT)) 3162 continue; 3163 3164 set_bit(ISP_ABORT_NEEDED, 3165 &vha->dpc_flags); 3166 break; 3167 } 3168 spin_unlock_irqrestore(&ha->hardware_lock, 3169 cpu_flags); 3170 } 3171 start_dpc++; 3172 } 3173 3174 /* if the loop has been down for 4 minutes, reinit adapter */ 3175 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { 3176 if (!(vha->device_flags & DFLG_NO_CABLE)) { 3177 DEBUG(printk("scsi(%ld): Loop down - " 3178 "aborting ISP.\n", 3179 vha->host_no)); 3180 qla_printk(KERN_WARNING, ha, 3181 "Loop down - aborting ISP.\n"); 3182 3183 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3184 } 3185 } 3186 DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", 3187 vha->host_no, 3188 atomic_read(&vha->loop_down_timer))); 3189 } 3190 3191 /* Check if beacon LED needs to be blinked */ 3192 if (ha->beacon_blink_led == 1) { 3193 set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); 3194 start_dpc++; 3195 } 3196 3197 /* Process any deferred work. */ 3198 if (!list_empty(&vha->work_list)) 3199 start_dpc++; 3200 3201 /* Schedule the DPC routine if needed */ 3202 if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || 3203 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || 3204 test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) || 3205 start_dpc || 3206 test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) || 3207 test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) || 3208 test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || 3209 test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) 3210 qla2xxx_wake_dpc(vha); 3211 3212 qla2x00_restart_timer(vha, WATCH_INTERVAL); 3213 } 3214 3215 /* Firmware interface routines. */ 3216 3217 #define FW_BLOBS 7 3218 #define FW_ISP21XX 0 3219 #define FW_ISP22XX 1 3220 #define FW_ISP2300 2 3221 #define FW_ISP2322 3 3222 #define FW_ISP24XX 4 3223 #define FW_ISP25XX 5 3224 #define FW_ISP81XX 6 3225 3226 #define FW_FILE_ISP21XX "ql2100_fw.bin" 3227 #define FW_FILE_ISP22XX "ql2200_fw.bin" 3228 #define FW_FILE_ISP2300 "ql2300_fw.bin" 3229 #define FW_FILE_ISP2322 "ql2322_fw.bin" 3230 #define FW_FILE_ISP24XX "ql2400_fw.bin" 3231 #define FW_FILE_ISP25XX "ql2500_fw.bin" 3232 #define FW_FILE_ISP81XX "ql8100_fw.bin" 3233 3234 static DEFINE_MUTEX(qla_fw_lock); 3235 3236 static struct fw_blob qla_fw_blobs[FW_BLOBS] = { 3237 { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, 3238 { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, 3239 { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, 3240 { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, 3241 { .name = FW_FILE_ISP24XX, }, 3242 { .name = FW_FILE_ISP25XX, }, 3243 { .name = FW_FILE_ISP81XX, }, 3244 }; 3245 3246 struct fw_blob * 3247 qla2x00_request_firmware(scsi_qla_host_t *vha) 3248 { 3249 struct qla_hw_data *ha = vha->hw; 3250 struct fw_blob *blob; 3251 3252 blob = NULL; 3253 if (IS_QLA2100(ha)) { 3254 blob = &qla_fw_blobs[FW_ISP21XX]; 3255 } else if (IS_QLA2200(ha)) { 3256 blob = &qla_fw_blobs[FW_ISP22XX]; 3257 } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 3258 blob = &qla_fw_blobs[FW_ISP2300]; 3259 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { 3260 blob = &qla_fw_blobs[FW_ISP2322]; 3261 } else if (IS_QLA24XX_TYPE(ha)) { 3262 blob = &qla_fw_blobs[FW_ISP24XX]; 3263 } else if (IS_QLA25XX(ha)) { 3264 blob = &qla_fw_blobs[FW_ISP25XX]; 3265 } else if (IS_QLA81XX(ha)) { 3266 blob = &qla_fw_blobs[FW_ISP81XX]; 3267 } 3268 3269 mutex_lock(&qla_fw_lock); 3270 if (blob->fw) 3271 goto out; 3272 3273 if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { 3274 DEBUG2(printk("scsi(%ld): Failed to load firmware image " 3275 "(%s).\n", vha->host_no, blob->name)); 3276 blob->fw = NULL; 3277 blob = NULL; 3278 goto out; 3279 } 3280 3281 out: 3282 mutex_unlock(&qla_fw_lock); 3283 return blob; 3284 } 3285 3286 static void 3287 qla2x00_release_firmware(void) 3288 { 3289 int idx; 3290 3291 mutex_lock(&qla_fw_lock); 3292 for (idx = 0; idx < FW_BLOBS; idx++) 3293 if (qla_fw_blobs[idx].fw) 3294 release_firmware(qla_fw_blobs[idx].fw); 3295 mutex_unlock(&qla_fw_lock); 3296 } 3297 3298 static pci_ers_result_t 3299 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 3300 { 3301 scsi_qla_host_t *vha = pci_get_drvdata(pdev); 3302 struct qla_hw_data *ha = vha->hw; 3303 3304 DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n", 3305 state)); 3306 3307 switch (state) { 3308 case pci_channel_io_normal: 3309 ha->flags.eeh_busy = 0; 3310 return PCI_ERS_RESULT_CAN_RECOVER; 3311 case pci_channel_io_frozen: 3312 ha->flags.eeh_busy = 1; 3313 pci_disable_device(pdev); 3314 return PCI_ERS_RESULT_NEED_RESET; 3315 case pci_channel_io_perm_failure: 3316 ha->flags.pci_channel_io_perm_failure = 1; 3317 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 3318 return PCI_ERS_RESULT_DISCONNECT; 3319 } 3320 return PCI_ERS_RESULT_NEED_RESET; 3321 } 3322 3323 static pci_ers_result_t 3324 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) 3325 { 3326 int risc_paused = 0; 3327 uint32_t stat; 3328 unsigned long flags; 3329 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); 3330 struct qla_hw_data *ha = base_vha->hw; 3331 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3332 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 3333 3334 spin_lock_irqsave(&ha->hardware_lock, flags); 3335 if (IS_QLA2100(ha) || IS_QLA2200(ha)){ 3336 stat = RD_REG_DWORD(®->hccr); 3337 if (stat & HCCR_RISC_PAUSE) 3338 risc_paused = 1; 3339 } else if (IS_QLA23XX(ha)) { 3340 stat = RD_REG_DWORD(®->u.isp2300.host_status); 3341 if (stat & HSR_RISC_PAUSED) 3342 risc_paused = 1; 3343 } else if (IS_FWI2_CAPABLE(ha)) { 3344 stat = RD_REG_DWORD(®24->host_status); 3345 if (stat & HSRX_RISC_PAUSED) 3346 risc_paused = 1; 3347 } 3348 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3349 3350 if (risc_paused) { 3351 qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " 3352 "Dumping firmware!\n"); 3353 ha->isp_ops->fw_dump(base_vha, 0); 3354 3355 return PCI_ERS_RESULT_NEED_RESET; 3356 } else 3357 return PCI_ERS_RESULT_RECOVERED; 3358 } 3359 3360 static pci_ers_result_t 3361 qla2xxx_pci_slot_reset(struct pci_dev *pdev) 3362 { 3363 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 3364 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); 3365 struct qla_hw_data *ha = base_vha->hw; 3366 int rc; 3367 3368 DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n")); 3369 3370 if (ha->mem_only) 3371 rc = pci_enable_device_mem(pdev); 3372 else 3373 rc = pci_enable_device(pdev); 3374 3375 if (rc) { 3376 qla_printk(KERN_WARNING, ha, 3377 "Can't re-enable PCI device after reset.\n"); 3378 return ret; 3379 } 3380 3381 if (ha->isp_ops->pci_config(base_vha)) 3382 return ret; 3383 3384 #ifdef QL_DEBUG_LEVEL_17 3385 { 3386 uint8_t b; 3387 uint32_t i; 3388 3389 printk("slot_reset_1: "); 3390 for (i = 0; i < 256; i++) { 3391 pci_read_config_byte(ha->pdev, i, &b); 3392 printk("%s%02x", (i%16) ? " " : "\n", b); 3393 } 3394 printk("\n"); 3395 } 3396 #endif 3397 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 3398 if (qla2x00_abort_isp(base_vha) == QLA_SUCCESS) 3399 ret = PCI_ERS_RESULT_RECOVERED; 3400 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 3401 3402 DEBUG17(qla_printk(KERN_WARNING, ha, 3403 "slot_reset-return:ret=%x\n", ret)); 3404 3405 return ret; 3406 } 3407 3408 static void 3409 qla2xxx_pci_resume(struct pci_dev *pdev) 3410 { 3411 scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); 3412 struct qla_hw_data *ha = base_vha->hw; 3413 int ret; 3414 3415 DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n")); 3416 3417 ret = qla2x00_wait_for_hba_online(base_vha); 3418 if (ret != QLA_SUCCESS) { 3419 qla_printk(KERN_ERR, ha, 3420 "the device failed to resume I/O " 3421 "from slot/link_reset"); 3422 } 3423 3424 ha->flags.eeh_busy = 0; 3425 3426 pci_cleanup_aer_uncorrect_error_status(pdev); 3427 } 3428 3429 static struct pci_error_handlers qla2xxx_err_handler = { 3430 .error_detected = qla2xxx_pci_error_detected, 3431 .mmio_enabled = qla2xxx_pci_mmio_enabled, 3432 .slot_reset = qla2xxx_pci_slot_reset, 3433 .resume = qla2xxx_pci_resume, 3434 }; 3435 3436 static struct pci_device_id qla2xxx_pci_tbl[] = { 3437 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, 3438 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, 3439 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, 3440 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, 3441 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, 3442 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, 3443 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, 3444 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, 3445 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, 3446 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, 3447 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, 3448 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, 3449 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, 3450 { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, 3451 { 0 }, 3452 }; 3453 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); 3454 3455 static struct pci_driver qla2xxx_pci_driver = { 3456 .name = QLA2XXX_DRIVER_NAME, 3457 .driver = { 3458 .owner = THIS_MODULE, 3459 }, 3460 .id_table = qla2xxx_pci_tbl, 3461 .probe = qla2x00_probe_one, 3462 .remove = qla2x00_remove_one, 3463 .err_handler = &qla2xxx_err_handler, 3464 }; 3465 3466 /** 3467 * qla2x00_module_init - Module initialization. 3468 **/ 3469 static int __init 3470 qla2x00_module_init(void) 3471 { 3472 int ret = 0; 3473 3474 /* Allocate cache for SRBs. */ 3475 srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, 3476 SLAB_HWCACHE_ALIGN, NULL); 3477 if (srb_cachep == NULL) { 3478 printk(KERN_ERR 3479 "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); 3480 return -ENOMEM; 3481 } 3482 3483 /* Derive version string. */ 3484 strcpy(qla2x00_version_str, QLA2XXX_VERSION); 3485 if (ql2xextended_error_logging) 3486 strcat(qla2x00_version_str, "-debug"); 3487 3488 qla2xxx_transport_template = 3489 fc_attach_transport(&qla2xxx_transport_functions); 3490 if (!qla2xxx_transport_template) { 3491 kmem_cache_destroy(srb_cachep); 3492 return -ENODEV; 3493 } 3494 qla2xxx_transport_vport_template = 3495 fc_attach_transport(&qla2xxx_transport_vport_functions); 3496 if (!qla2xxx_transport_vport_template) { 3497 kmem_cache_destroy(srb_cachep); 3498 fc_release_transport(qla2xxx_transport_template); 3499 return -ENODEV; 3500 } 3501 3502 printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n", 3503 qla2x00_version_str); 3504 ret = pci_register_driver(&qla2xxx_pci_driver); 3505 if (ret) { 3506 kmem_cache_destroy(srb_cachep); 3507 fc_release_transport(qla2xxx_transport_template); 3508 fc_release_transport(qla2xxx_transport_vport_template); 3509 } 3510 return ret; 3511 } 3512 3513 /** 3514 * qla2x00_module_exit - Module cleanup. 3515 **/ 3516 static void __exit 3517 qla2x00_module_exit(void) 3518 { 3519 pci_unregister_driver(&qla2xxx_pci_driver); 3520 qla2x00_release_firmware(); 3521 kmem_cache_destroy(srb_cachep); 3522 fc_release_transport(qla2xxx_transport_template); 3523 fc_release_transport(qla2xxx_transport_vport_template); 3524 } 3525 3526 module_init(qla2x00_module_init); 3527 module_exit(qla2x00_module_exit); 3528 3529 MODULE_AUTHOR("QLogic Corporation"); 3530 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); 3531 MODULE_LICENSE("GPL"); 3532 MODULE_VERSION(QLA2XXX_VERSION); 3533 MODULE_FIRMWARE(FW_FILE_ISP21XX); 3534 MODULE_FIRMWARE(FW_FILE_ISP22XX); 3535 MODULE_FIRMWARE(FW_FILE_ISP2300); 3536 MODULE_FIRMWARE(FW_FILE_ISP2322); 3537 MODULE_FIRMWARE(FW_FILE_ISP24XX); 3538 MODULE_FIRMWARE(FW_FILE_ISP25XX); 3539 MODULE_FIRMWARE(FW_FILE_ISP81XX); 3540