/drivers/scsi/qla2xxx/qla_os.c
C | 7956 lines | 6323 code | 1033 blank | 600 comment | 1011 complexity | 69290e65b10cef3fe76a68cfae7f6121 MD5 | raw file
1/* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 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#include <linux/slab.h> 16#include <linux/blk-mq-pci.h> 17#include <linux/refcount.h> 18 19#include <scsi/scsi_tcq.h> 20#include <scsi/scsicam.h> 21#include <scsi/scsi_transport.h> 22#include <scsi/scsi_transport_fc.h> 23 24#include "qla_target.h" 25 26/* 27 * Driver version 28 */ 29char qla2x00_version_str[40]; 30 31static int apidev_major; 32 33/* 34 * SRB allocation cache 35 */ 36struct kmem_cache *srb_cachep; 37 38/* 39 * CT6 CTX allocation cache 40 */ 41static struct kmem_cache *ctx_cachep; 42/* 43 * error level for logging 44 */ 45uint ql_errlev = 0x8001; 46 47static int ql2xenableclass2; 48module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR); 49MODULE_PARM_DESC(ql2xenableclass2, 50 "Specify if Class 2 operations are supported from the very " 51 "beginning. Default is 0 - class 2 not supported."); 52 53 54int ql2xlogintimeout = 20; 55module_param(ql2xlogintimeout, int, S_IRUGO); 56MODULE_PARM_DESC(ql2xlogintimeout, 57 "Login timeout value in seconds."); 58 59int qlport_down_retry; 60module_param(qlport_down_retry, int, S_IRUGO); 61MODULE_PARM_DESC(qlport_down_retry, 62 "Maximum number of command retries to a port that returns " 63 "a PORT-DOWN status."); 64 65int ql2xplogiabsentdevice; 66module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); 67MODULE_PARM_DESC(ql2xplogiabsentdevice, 68 "Option to enable PLOGI to devices that are not present after " 69 "a Fabric scan. This is needed for several broken switches. " 70 "Default is 0 - no PLOGI. 1 - perform PLOGI."); 71 72int ql2xloginretrycount; 73module_param(ql2xloginretrycount, int, S_IRUGO); 74MODULE_PARM_DESC(ql2xloginretrycount, 75 "Specify an alternate value for the NVRAM login retry count."); 76 77int ql2xallocfwdump = 1; 78module_param(ql2xallocfwdump, int, S_IRUGO); 79MODULE_PARM_DESC(ql2xallocfwdump, 80 "Option to enable allocation of memory for a firmware dump " 81 "during HBA initialization. Memory allocation requirements " 82 "vary by ISP type. Default is 1 - allocate memory."); 83 84int ql2xextended_error_logging; 85module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); 86module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); 87MODULE_PARM_DESC(ql2xextended_error_logging, 88 "Option to enable extended error logging,\n" 89 "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n" 90 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n" 91 "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n" 92 "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n" 93 "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n" 94 "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n" 95 "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n" 96 "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n" 97 "\t\t0x00008000 - Verbose. 0x00004000 - Target.\n" 98 "\t\t0x00002000 - Target Mgmt. 0x00001000 - Target TMF.\n" 99 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n" 100 "\t\t0x1e400000 - Preferred value for capturing essential " 101 "debug information (equivalent to old " 102 "ql2xextended_error_logging=1).\n" 103 "\t\tDo LOGICAL OR of the value to enable more than one level"); 104 105int ql2xshiftctondsd = 6; 106module_param(ql2xshiftctondsd, int, S_IRUGO); 107MODULE_PARM_DESC(ql2xshiftctondsd, 108 "Set to control shifting of command type processing " 109 "based on total number of SG elements."); 110 111int ql2xfdmienable = 1; 112module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR); 113module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR); 114MODULE_PARM_DESC(ql2xfdmienable, 115 "Enables FDMI registrations. " 116 "0 - no FDMI registrations. " 117 "1 - provide FDMI registrations (default)."); 118 119#define MAX_Q_DEPTH 64 120static int ql2xmaxqdepth = MAX_Q_DEPTH; 121module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); 122MODULE_PARM_DESC(ql2xmaxqdepth, 123 "Maximum queue depth to set for each LUN. " 124 "Default is 64."); 125 126int ql2xenabledif = 2; 127module_param(ql2xenabledif, int, S_IRUGO); 128MODULE_PARM_DESC(ql2xenabledif, 129 " Enable T10-CRC-DIF:\n" 130 " Default is 2.\n" 131 " 0 -- No DIF Support\n" 132 " 1 -- Enable DIF for all types\n" 133 " 2 -- Enable DIF for all types, except Type 0.\n"); 134 135#if (IS_ENABLED(CONFIG_NVME_FC)) 136int ql2xnvmeenable = 1; 137#else 138int ql2xnvmeenable; 139#endif 140module_param(ql2xnvmeenable, int, 0644); 141MODULE_PARM_DESC(ql2xnvmeenable, 142 "Enables NVME support. " 143 "0 - no NVMe. Default is Y"); 144 145int ql2xenablehba_err_chk = 2; 146module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); 147MODULE_PARM_DESC(ql2xenablehba_err_chk, 148 " Enable T10-CRC-DIF Error isolation by HBA:\n" 149 " Default is 2.\n" 150 " 0 -- Error isolation disabled\n" 151 " 1 -- Error isolation enabled only for DIX Type 0\n" 152 " 2 -- Error isolation enabled for all Types\n"); 153 154int ql2xiidmaenable = 1; 155module_param(ql2xiidmaenable, int, S_IRUGO); 156MODULE_PARM_DESC(ql2xiidmaenable, 157 "Enables iIDMA settings " 158 "Default is 1 - perform iIDMA. 0 - no iIDMA."); 159 160int ql2xmqsupport = 1; 161module_param(ql2xmqsupport, int, S_IRUGO); 162MODULE_PARM_DESC(ql2xmqsupport, 163 "Enable on demand multiple queue pairs support " 164 "Default is 1 for supported. " 165 "Set it to 0 to turn off mq qpair support."); 166 167int ql2xfwloadbin; 168module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR); 169module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR); 170MODULE_PARM_DESC(ql2xfwloadbin, 171 "Option to specify location from which to load ISP firmware:.\n" 172 " 2 -- load firmware via the request_firmware() (hotplug).\n" 173 " interface.\n" 174 " 1 -- load firmware from flash.\n" 175 " 0 -- use default semantics.\n"); 176 177int ql2xetsenable; 178module_param(ql2xetsenable, int, S_IRUGO); 179MODULE_PARM_DESC(ql2xetsenable, 180 "Enables firmware ETS burst." 181 "Default is 0 - skip ETS enablement."); 182 183int ql2xdbwr = 1; 184module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR); 185MODULE_PARM_DESC(ql2xdbwr, 186 "Option to specify scheme for request queue posting.\n" 187 " 0 -- Regular doorbell.\n" 188 " 1 -- CAMRAM doorbell (faster).\n"); 189 190int ql2xtargetreset = 1; 191module_param(ql2xtargetreset, int, S_IRUGO); 192MODULE_PARM_DESC(ql2xtargetreset, 193 "Enable target reset." 194 "Default is 1 - use hw defaults."); 195 196int ql2xgffidenable; 197module_param(ql2xgffidenable, int, S_IRUGO); 198MODULE_PARM_DESC(ql2xgffidenable, 199 "Enables GFF_ID checks of port type. " 200 "Default is 0 - Do not use GFF_ID information."); 201 202int ql2xasynctmfenable = 1; 203module_param(ql2xasynctmfenable, int, S_IRUGO); 204MODULE_PARM_DESC(ql2xasynctmfenable, 205 "Enables issue of TM IOCBs asynchronously via IOCB mechanism" 206 "Default is 1 - Issue TM IOCBs via mailbox mechanism."); 207 208int ql2xdontresethba; 209module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR); 210MODULE_PARM_DESC(ql2xdontresethba, 211 "Option to specify reset behaviour.\n" 212 " 0 (Default) -- Reset on failure.\n" 213 " 1 -- Do not reset on failure.\n"); 214 215uint64_t ql2xmaxlun = MAX_LUNS; 216module_param(ql2xmaxlun, ullong, S_IRUGO); 217MODULE_PARM_DESC(ql2xmaxlun, 218 "Defines the maximum LU number to register with the SCSI " 219 "midlayer. Default is 65535."); 220 221int ql2xmdcapmask = 0x1F; 222module_param(ql2xmdcapmask, int, S_IRUGO); 223MODULE_PARM_DESC(ql2xmdcapmask, 224 "Set the Minidump driver capture mask level. " 225 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F."); 226 227int ql2xmdenable = 1; 228module_param(ql2xmdenable, int, S_IRUGO); 229MODULE_PARM_DESC(ql2xmdenable, 230 "Enable/disable MiniDump. " 231 "0 - MiniDump disabled. " 232 "1 (Default) - MiniDump enabled."); 233 234int ql2xexlogins; 235module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR); 236MODULE_PARM_DESC(ql2xexlogins, 237 "Number of extended Logins. " 238 "0 (Default)- Disabled."); 239 240int ql2xexchoffld = 1024; 241module_param(ql2xexchoffld, uint, 0644); 242MODULE_PARM_DESC(ql2xexchoffld, 243 "Number of target exchanges."); 244 245int ql2xiniexchg = 1024; 246module_param(ql2xiniexchg, uint, 0644); 247MODULE_PARM_DESC(ql2xiniexchg, 248 "Number of initiator exchanges."); 249 250int ql2xfwholdabts; 251module_param(ql2xfwholdabts, int, S_IRUGO); 252MODULE_PARM_DESC(ql2xfwholdabts, 253 "Allow FW to hold status IOCB until ABTS rsp received. " 254 "0 (Default) Do not set fw option. " 255 "1 - Set fw option to hold ABTS."); 256 257int ql2xmvasynctoatio = 1; 258module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR); 259MODULE_PARM_DESC(ql2xmvasynctoatio, 260 "Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ" 261 "0 (Default). Do not move IOCBs" 262 "1 - Move IOCBs."); 263 264int ql2xautodetectsfp = 1; 265module_param(ql2xautodetectsfp, int, 0444); 266MODULE_PARM_DESC(ql2xautodetectsfp, 267 "Detect SFP range and set appropriate distance.\n" 268 "1 (Default): Enable\n"); 269 270int ql2xenablemsix = 1; 271module_param(ql2xenablemsix, int, 0444); 272MODULE_PARM_DESC(ql2xenablemsix, 273 "Set to enable MSI or MSI-X interrupt mechanism.\n" 274 " Default is 1, enable MSI-X interrupt mechanism.\n" 275 " 0 -- enable traditional pin-based mechanism.\n" 276 " 1 -- enable MSI-X interrupt mechanism.\n" 277 " 2 -- enable MSI interrupt mechanism.\n"); 278 279int qla2xuseresexchforels; 280module_param(qla2xuseresexchforels, int, 0444); 281MODULE_PARM_DESC(qla2xuseresexchforels, 282 "Reserve 1/2 of emergency exchanges for ELS.\n" 283 " 0 (default): disabled"); 284 285static int ql2xprotmask; 286module_param(ql2xprotmask, int, 0644); 287MODULE_PARM_DESC(ql2xprotmask, 288 "Override DIF/DIX protection capabilities mask\n" 289 "Default is 0 which sets protection mask based on " 290 "capabilities reported by HBA firmware.\n"); 291 292static int ql2xprotguard; 293module_param(ql2xprotguard, int, 0644); 294MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n" 295 " 0 -- Let HBA firmware decide\n" 296 " 1 -- Force T10 CRC\n" 297 " 2 -- Force IP checksum\n"); 298 299int ql2xdifbundlinginternalbuffers; 300module_param(ql2xdifbundlinginternalbuffers, int, 0644); 301MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers, 302 "Force using internal buffers for DIF information\n" 303 "0 (Default). Based on check.\n" 304 "1 Force using internal buffers\n"); 305 306int ql2xsmartsan; 307module_param(ql2xsmartsan, int, 0444); 308module_param_named(smartsan, ql2xsmartsan, int, 0444); 309MODULE_PARM_DESC(ql2xsmartsan, 310 "Send SmartSAN Management Attributes for FDMI Registration." 311 " Default is 0 - No SmartSAN registration," 312 " 1 - Register SmartSAN Management Attributes."); 313 314int ql2xrdpenable; 315module_param(ql2xrdpenable, int, 0444); 316module_param_named(rdpenable, ql2xrdpenable, int, 0444); 317MODULE_PARM_DESC(ql2xrdpenable, 318 "Enables RDP responses. " 319 "0 - no RDP responses (default). " 320 "1 - provide RDP responses."); 321 322static void qla2x00_clear_drv_active(struct qla_hw_data *); 323static void qla2x00_free_device(scsi_qla_host_t *); 324static int qla2xxx_map_queues(struct Scsi_Host *shost); 325static void qla2x00_destroy_deferred_work(struct qla_hw_data *); 326 327 328static struct scsi_transport_template *qla2xxx_transport_template = NULL; 329struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; 330 331/* TODO Convert to inlines 332 * 333 * Timer routines 334 */ 335 336__inline__ void 337qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval) 338{ 339 timer_setup(&vha->timer, qla2x00_timer, 0); 340 vha->timer.expires = jiffies + interval * HZ; 341 add_timer(&vha->timer); 342 vha->timer_active = 1; 343} 344 345static inline void 346qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) 347{ 348 /* Currently used for 82XX only. */ 349 if (vha->device_flags & DFLG_DEV_FAILED) { 350 ql_dbg(ql_dbg_timer, vha, 0x600d, 351 "Device in a failed state, returning.\n"); 352 return; 353 } 354 355 mod_timer(&vha->timer, jiffies + interval * HZ); 356} 357 358static __inline__ void 359qla2x00_stop_timer(scsi_qla_host_t *vha) 360{ 361 del_timer_sync(&vha->timer); 362 vha->timer_active = 0; 363} 364 365static int qla2x00_do_dpc(void *data); 366 367static void qla2x00_rst_aen(scsi_qla_host_t *); 368 369static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, 370 struct req_que **, struct rsp_que **); 371static void qla2x00_free_fw_dump(struct qla_hw_data *); 372static void qla2x00_mem_free(struct qla_hw_data *); 373int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, 374 struct qla_qpair *qpair); 375 376/* -------------------------------------------------------------------------- */ 377static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req, 378 struct rsp_que *rsp) 379{ 380 struct qla_hw_data *ha = vha->hw; 381 382 rsp->qpair = ha->base_qpair; 383 rsp->req = req; 384 ha->base_qpair->hw = ha; 385 ha->base_qpair->req = req; 386 ha->base_qpair->rsp = rsp; 387 ha->base_qpair->vha = vha; 388 ha->base_qpair->qp_lock_ptr = &ha->hardware_lock; 389 ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0; 390 ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q]; 391 ha->base_qpair->srb_mempool = ha->srb_mempool; 392 INIT_LIST_HEAD(&ha->base_qpair->hints_list); 393 ha->base_qpair->enable_class_2 = ql2xenableclass2; 394 /* init qpair to this cpu. Will adjust at run time. */ 395 qla_cpu_update(rsp->qpair, raw_smp_processor_id()); 396 ha->base_qpair->pdev = ha->pdev; 397 398 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) 399 ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs; 400} 401 402static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req, 403 struct rsp_que *rsp) 404{ 405 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 406 407 ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *), 408 GFP_KERNEL); 409 if (!ha->req_q_map) { 410 ql_log(ql_log_fatal, vha, 0x003b, 411 "Unable to allocate memory for request queue ptrs.\n"); 412 goto fail_req_map; 413 } 414 415 ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *), 416 GFP_KERNEL); 417 if (!ha->rsp_q_map) { 418 ql_log(ql_log_fatal, vha, 0x003c, 419 "Unable to allocate memory for response queue ptrs.\n"); 420 goto fail_rsp_map; 421 } 422 423 ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL); 424 if (ha->base_qpair == NULL) { 425 ql_log(ql_log_warn, vha, 0x00e0, 426 "Failed to allocate base queue pair memory.\n"); 427 goto fail_base_qpair; 428 } 429 430 qla_init_base_qpair(vha, req, rsp); 431 432 if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) { 433 ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *), 434 GFP_KERNEL); 435 if (!ha->queue_pair_map) { 436 ql_log(ql_log_fatal, vha, 0x0180, 437 "Unable to allocate memory for queue pair ptrs.\n"); 438 goto fail_qpair_map; 439 } 440 } 441 442 /* 443 * Make sure we record at least the request and response queue zero in 444 * case we need to free them if part of the probe fails. 445 */ 446 ha->rsp_q_map[0] = rsp; 447 ha->req_q_map[0] = req; 448 set_bit(0, ha->rsp_qid_map); 449 set_bit(0, ha->req_qid_map); 450 return 0; 451 452fail_qpair_map: 453 kfree(ha->base_qpair); 454 ha->base_qpair = NULL; 455fail_base_qpair: 456 kfree(ha->rsp_q_map); 457 ha->rsp_q_map = NULL; 458fail_rsp_map: 459 kfree(ha->req_q_map); 460 ha->req_q_map = NULL; 461fail_req_map: 462 return -ENOMEM; 463} 464 465static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) 466{ 467 if (IS_QLAFX00(ha)) { 468 if (req && req->ring_fx00) 469 dma_free_coherent(&ha->pdev->dev, 470 (req->length_fx00 + 1) * sizeof(request_t), 471 req->ring_fx00, req->dma_fx00); 472 } else if (req && req->ring) 473 dma_free_coherent(&ha->pdev->dev, 474 (req->length + 1) * sizeof(request_t), 475 req->ring, req->dma); 476 477 if (req) 478 kfree(req->outstanding_cmds); 479 480 kfree(req); 481} 482 483static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) 484{ 485 if (IS_QLAFX00(ha)) { 486 if (rsp && rsp->ring_fx00) 487 dma_free_coherent(&ha->pdev->dev, 488 (rsp->length_fx00 + 1) * sizeof(request_t), 489 rsp->ring_fx00, rsp->dma_fx00); 490 } else if (rsp && rsp->ring) { 491 dma_free_coherent(&ha->pdev->dev, 492 (rsp->length + 1) * sizeof(response_t), 493 rsp->ring, rsp->dma); 494 } 495 kfree(rsp); 496} 497 498static void qla2x00_free_queues(struct qla_hw_data *ha) 499{ 500 struct req_que *req; 501 struct rsp_que *rsp; 502 int cnt; 503 unsigned long flags; 504 505 if (ha->queue_pair_map) { 506 kfree(ha->queue_pair_map); 507 ha->queue_pair_map = NULL; 508 } 509 if (ha->base_qpair) { 510 kfree(ha->base_qpair); 511 ha->base_qpair = NULL; 512 } 513 514 spin_lock_irqsave(&ha->hardware_lock, flags); 515 for (cnt = 0; cnt < ha->max_req_queues; cnt++) { 516 if (!test_bit(cnt, ha->req_qid_map)) 517 continue; 518 519 req = ha->req_q_map[cnt]; 520 clear_bit(cnt, ha->req_qid_map); 521 ha->req_q_map[cnt] = NULL; 522 523 spin_unlock_irqrestore(&ha->hardware_lock, flags); 524 qla2x00_free_req_que(ha, req); 525 spin_lock_irqsave(&ha->hardware_lock, flags); 526 } 527 spin_unlock_irqrestore(&ha->hardware_lock, flags); 528 529 kfree(ha->req_q_map); 530 ha->req_q_map = NULL; 531 532 533 spin_lock_irqsave(&ha->hardware_lock, flags); 534 for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { 535 if (!test_bit(cnt, ha->rsp_qid_map)) 536 continue; 537 538 rsp = ha->rsp_q_map[cnt]; 539 clear_bit(cnt, ha->rsp_qid_map); 540 ha->rsp_q_map[cnt] = NULL; 541 spin_unlock_irqrestore(&ha->hardware_lock, flags); 542 qla2x00_free_rsp_que(ha, rsp); 543 spin_lock_irqsave(&ha->hardware_lock, flags); 544 } 545 spin_unlock_irqrestore(&ha->hardware_lock, flags); 546 547 kfree(ha->rsp_q_map); 548 ha->rsp_q_map = NULL; 549} 550 551static char * 552qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len) 553{ 554 struct qla_hw_data *ha = vha->hw; 555 static const char *const pci_bus_modes[] = { 556 "33", "66", "100", "133", 557 }; 558 uint16_t pci_bus; 559 560 pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; 561 if (pci_bus) { 562 snprintf(str, str_len, "PCI-X (%s MHz)", 563 pci_bus_modes[pci_bus]); 564 } else { 565 pci_bus = (ha->pci_attr & BIT_8) >> 8; 566 snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]); 567 } 568 569 return str; 570} 571 572static char * 573qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len) 574{ 575 static const char *const pci_bus_modes[] = { 576 "33", "66", "100", "133", 577 }; 578 struct qla_hw_data *ha = vha->hw; 579 uint32_t pci_bus; 580 581 if (pci_is_pcie(ha->pdev)) { 582 uint32_t lstat, lspeed, lwidth; 583 const char *speed_str; 584 585 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat); 586 lspeed = lstat & PCI_EXP_LNKCAP_SLS; 587 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4; 588 589 switch (lspeed) { 590 case 1: 591 speed_str = "2.5GT/s"; 592 break; 593 case 2: 594 speed_str = "5.0GT/s"; 595 break; 596 case 3: 597 speed_str = "8.0GT/s"; 598 break; 599 case 4: 600 speed_str = "16.0GT/s"; 601 break; 602 default: 603 speed_str = "<unknown>"; 604 break; 605 } 606 snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth); 607 608 return str; 609 } 610 611 pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; 612 if (pci_bus == 0 || pci_bus == 8) 613 snprintf(str, str_len, "PCI (%s MHz)", 614 pci_bus_modes[pci_bus >> 3]); 615 else 616 snprintf(str, str_len, "PCI-X Mode %d (%s MHz)", 617 pci_bus & 4 ? 2 : 1, 618 pci_bus_modes[pci_bus & 3]); 619 620 return str; 621} 622 623static char * 624qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size) 625{ 626 char un_str[10]; 627 struct qla_hw_data *ha = vha->hw; 628 629 snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version, 630 ha->fw_minor_version, ha->fw_subminor_version); 631 632 if (ha->fw_attributes & BIT_9) { 633 strcat(str, "FLX"); 634 return (str); 635 } 636 637 switch (ha->fw_attributes & 0xFF) { 638 case 0x7: 639 strcat(str, "EF"); 640 break; 641 case 0x17: 642 strcat(str, "TP"); 643 break; 644 case 0x37: 645 strcat(str, "IP"); 646 break; 647 case 0x77: 648 strcat(str, "VI"); 649 break; 650 default: 651 sprintf(un_str, "(%x)", ha->fw_attributes); 652 strcat(str, un_str); 653 break; 654 } 655 if (ha->fw_attributes & 0x100) 656 strcat(str, "X"); 657 658 return (str); 659} 660 661static char * 662qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size) 663{ 664 struct qla_hw_data *ha = vha->hw; 665 666 snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version, 667 ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes); 668 return str; 669} 670 671void qla2x00_sp_free_dma(srb_t *sp) 672{ 673 struct qla_hw_data *ha = sp->vha->hw; 674 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 675 676 if (sp->flags & SRB_DMA_VALID) { 677 scsi_dma_unmap(cmd); 678 sp->flags &= ~SRB_DMA_VALID; 679 } 680 681 if (sp->flags & SRB_CRC_PROT_DMA_VALID) { 682 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), 683 scsi_prot_sg_count(cmd), cmd->sc_data_direction); 684 sp->flags &= ~SRB_CRC_PROT_DMA_VALID; 685 } 686 687 if (sp->flags & SRB_CRC_CTX_DSD_VALID) { 688 /* List assured to be having elements */ 689 qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx); 690 sp->flags &= ~SRB_CRC_CTX_DSD_VALID; 691 } 692 693 if (sp->flags & SRB_CRC_CTX_DMA_VALID) { 694 struct crc_context *ctx0 = sp->u.scmd.crc_ctx; 695 696 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma); 697 sp->flags &= ~SRB_CRC_CTX_DMA_VALID; 698 } 699 700 if (sp->flags & SRB_FCP_CMND_DMA_VALID) { 701 struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx; 702 703 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, 704 ctx1->fcp_cmnd_dma); 705 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); 706 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; 707 ha->gbl_dsd_avail += ctx1->dsd_use_cnt; 708 mempool_free(ctx1, ha->ctx_mempool); 709 } 710} 711 712void qla2x00_sp_compl(srb_t *sp, int res) 713{ 714 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 715 struct completion *comp = sp->comp; 716 717 sp->free(sp); 718 cmd->result = res; 719 CMD_SP(cmd) = NULL; 720 cmd->scsi_done(cmd); 721 if (comp) 722 complete(comp); 723} 724 725void qla2xxx_qpair_sp_free_dma(srb_t *sp) 726{ 727 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 728 struct qla_hw_data *ha = sp->fcport->vha->hw; 729 730 if (sp->flags & SRB_DMA_VALID) { 731 scsi_dma_unmap(cmd); 732 sp->flags &= ~SRB_DMA_VALID; 733 } 734 735 if (sp->flags & SRB_CRC_PROT_DMA_VALID) { 736 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), 737 scsi_prot_sg_count(cmd), cmd->sc_data_direction); 738 sp->flags &= ~SRB_CRC_PROT_DMA_VALID; 739 } 740 741 if (sp->flags & SRB_CRC_CTX_DSD_VALID) { 742 /* List assured to be having elements */ 743 qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx); 744 sp->flags &= ~SRB_CRC_CTX_DSD_VALID; 745 } 746 747 if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) { 748 struct crc_context *difctx = sp->u.scmd.crc_ctx; 749 struct dsd_dma *dif_dsd, *nxt_dsd; 750 751 list_for_each_entry_safe(dif_dsd, nxt_dsd, 752 &difctx->ldif_dma_hndl_list, list) { 753 list_del(&dif_dsd->list); 754 dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr, 755 dif_dsd->dsd_list_dma); 756 kfree(dif_dsd); 757 difctx->no_dif_bundl--; 758 } 759 760 list_for_each_entry_safe(dif_dsd, nxt_dsd, 761 &difctx->ldif_dsd_list, list) { 762 list_del(&dif_dsd->list); 763 dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr, 764 dif_dsd->dsd_list_dma); 765 kfree(dif_dsd); 766 difctx->no_ldif_dsd--; 767 } 768 769 if (difctx->no_ldif_dsd) { 770 ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022, 771 "%s: difctx->no_ldif_dsd=%x\n", 772 __func__, difctx->no_ldif_dsd); 773 } 774 775 if (difctx->no_dif_bundl) { 776 ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022, 777 "%s: difctx->no_dif_bundl=%x\n", 778 __func__, difctx->no_dif_bundl); 779 } 780 sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID; 781 } 782 783 if (sp->flags & SRB_FCP_CMND_DMA_VALID) { 784 struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx; 785 786 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, 787 ctx1->fcp_cmnd_dma); 788 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); 789 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; 790 ha->gbl_dsd_avail += ctx1->dsd_use_cnt; 791 mempool_free(ctx1, ha->ctx_mempool); 792 sp->flags &= ~SRB_FCP_CMND_DMA_VALID; 793 } 794 795 if (sp->flags & SRB_CRC_CTX_DMA_VALID) { 796 struct crc_context *ctx0 = sp->u.scmd.crc_ctx; 797 798 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma); 799 sp->flags &= ~SRB_CRC_CTX_DMA_VALID; 800 } 801} 802 803void qla2xxx_qpair_sp_compl(srb_t *sp, int res) 804{ 805 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 806 struct completion *comp = sp->comp; 807 808 sp->free(sp); 809 cmd->result = res; 810 CMD_SP(cmd) = NULL; 811 cmd->scsi_done(cmd); 812 if (comp) 813 complete(comp); 814} 815 816static int 817qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 818{ 819 scsi_qla_host_t *vha = shost_priv(host); 820 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 821 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); 822 struct qla_hw_data *ha = vha->hw; 823 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 824 srb_t *sp; 825 int rval; 826 827 if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) || 828 WARN_ON_ONCE(!rport)) { 829 cmd->result = DID_NO_CONNECT << 16; 830 goto qc24_fail_command; 831 } 832 833 if (ha->mqenable) { 834 uint32_t tag; 835 uint16_t hwq; 836 struct qla_qpair *qpair = NULL; 837 838 tag = blk_mq_unique_tag(cmd->request); 839 hwq = blk_mq_unique_tag_to_hwq(tag); 840 qpair = ha->queue_pair_map[hwq]; 841 842 if (qpair) 843 return qla2xxx_mqueuecommand(host, cmd, qpair); 844 } 845 846 if (ha->flags.eeh_busy) { 847 if (ha->flags.pci_channel_io_perm_failure) { 848 ql_dbg(ql_dbg_aer, vha, 0x9010, 849 "PCI Channel IO permanent failure, exiting " 850 "cmd=%p.\n", cmd); 851 cmd->result = DID_NO_CONNECT << 16; 852 } else { 853 ql_dbg(ql_dbg_aer, vha, 0x9011, 854 "EEH_Busy, Requeuing the cmd=%p.\n", cmd); 855 cmd->result = DID_REQUEUE << 16; 856 } 857 goto qc24_fail_command; 858 } 859 860 rval = fc_remote_port_chkready(rport); 861 if (rval) { 862 cmd->result = rval; 863 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003, 864 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n", 865 cmd, rval); 866 goto qc24_fail_command; 867 } 868 869 if (!vha->flags.difdix_supported && 870 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { 871 ql_dbg(ql_dbg_io, vha, 0x3004, 872 "DIF Cap not reg, fail DIF capable cmd's:%p.\n", 873 cmd); 874 cmd->result = DID_NO_CONNECT << 16; 875 goto qc24_fail_command; 876 } 877 878 if (!fcport) { 879 cmd->result = DID_NO_CONNECT << 16; 880 goto qc24_fail_command; 881 } 882 883 if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) { 884 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || 885 atomic_read(&base_vha->loop_state) == LOOP_DEAD) { 886 ql_dbg(ql_dbg_io, vha, 0x3005, 887 "Returning DNC, fcport_state=%d loop_state=%d.\n", 888 atomic_read(&fcport->state), 889 atomic_read(&base_vha->loop_state)); 890 cmd->result = DID_NO_CONNECT << 16; 891 goto qc24_fail_command; 892 } 893 goto qc24_target_busy; 894 } 895 896 /* 897 * Return target busy if we've received a non-zero retry_delay_timer 898 * in a FCP_RSP. 899 */ 900 if (fcport->retry_delay_timestamp == 0) { 901 /* retry delay not set */ 902 } else if (time_after(jiffies, fcport->retry_delay_timestamp)) 903 fcport->retry_delay_timestamp = 0; 904 else 905 goto qc24_target_busy; 906 907 sp = scsi_cmd_priv(cmd); 908 qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport); 909 910 sp->u.scmd.cmd = cmd; 911 sp->type = SRB_SCSI_CMD; 912 913 CMD_SP(cmd) = (void *)sp; 914 sp->free = qla2x00_sp_free_dma; 915 sp->done = qla2x00_sp_compl; 916 917 rval = ha->isp_ops->start_scsi(sp); 918 if (rval != QLA_SUCCESS) { 919 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013, 920 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd); 921 goto qc24_host_busy_free_sp; 922 } 923 924 return 0; 925 926qc24_host_busy_free_sp: 927 sp->free(sp); 928 929qc24_target_busy: 930 return SCSI_MLQUEUE_TARGET_BUSY; 931 932qc24_fail_command: 933 cmd->scsi_done(cmd); 934 935 return 0; 936} 937 938/* For MQ supported I/O */ 939int 940qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd, 941 struct qla_qpair *qpair) 942{ 943 scsi_qla_host_t *vha = shost_priv(host); 944 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 945 struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); 946 struct qla_hw_data *ha = vha->hw; 947 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 948 srb_t *sp; 949 int rval; 950 951 rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE; 952 if (rval) { 953 cmd->result = rval; 954 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076, 955 "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n", 956 cmd, rval); 957 goto qc24_fail_command; 958 } 959 960 if (!fcport) { 961 cmd->result = DID_NO_CONNECT << 16; 962 goto qc24_fail_command; 963 } 964 965 if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) { 966 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || 967 atomic_read(&base_vha->loop_state) == LOOP_DEAD) { 968 ql_dbg(ql_dbg_io, vha, 0x3077, 969 "Returning DNC, fcport_state=%d loop_state=%d.\n", 970 atomic_read(&fcport->state), 971 atomic_read(&base_vha->loop_state)); 972 cmd->result = DID_NO_CONNECT << 16; 973 goto qc24_fail_command; 974 } 975 goto qc24_target_busy; 976 } 977 978 /* 979 * Return target busy if we've received a non-zero retry_delay_timer 980 * in a FCP_RSP. 981 */ 982 if (fcport->retry_delay_timestamp == 0) { 983 /* retry delay not set */ 984 } else if (time_after(jiffies, fcport->retry_delay_timestamp)) 985 fcport->retry_delay_timestamp = 0; 986 else 987 goto qc24_target_busy; 988 989 sp = scsi_cmd_priv(cmd); 990 qla2xxx_init_sp(sp, vha, qpair, fcport); 991 992 sp->u.scmd.cmd = cmd; 993 sp->type = SRB_SCSI_CMD; 994 CMD_SP(cmd) = (void *)sp; 995 sp->free = qla2xxx_qpair_sp_free_dma; 996 sp->done = qla2xxx_qpair_sp_compl; 997 998 rval = ha->isp_ops->start_scsi_mq(sp); 999 if (rval != QLA_SUCCESS) { 1000 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078, 1001 "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd); 1002 if (rval == QLA_INTERFACE_ERROR) 1003 goto qc24_free_sp_fail_command; 1004 goto qc24_host_busy_free_sp; 1005 } 1006 1007 return 0; 1008 1009qc24_host_busy_free_sp: 1010 sp->free(sp); 1011 1012qc24_target_busy: 1013 return SCSI_MLQUEUE_TARGET_BUSY; 1014 1015qc24_free_sp_fail_command: 1016 sp->free(sp); 1017 CMD_SP(cmd) = NULL; 1018 qla2xxx_rel_qpair_sp(sp->qpair, sp); 1019 1020qc24_fail_command: 1021 cmd->scsi_done(cmd); 1022 1023 return 0; 1024} 1025 1026/* 1027 * qla2x00_eh_wait_on_command 1028 * Waits for the command to be returned by the Firmware for some 1029 * max time. 1030 * 1031 * Input: 1032 * cmd = Scsi Command to wait on. 1033 * 1034 * Return: 1035 * Completed in time : QLA_SUCCESS 1036 * Did not complete in time : QLA_FUNCTION_FAILED 1037 */ 1038static int 1039qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) 1040{ 1041#define ABORT_POLLING_PERIOD 1000 1042#define ABORT_WAIT_ITER ((2 * 1000) / (ABORT_POLLING_PERIOD)) 1043 unsigned long wait_iter = ABORT_WAIT_ITER; 1044 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1045 struct qla_hw_data *ha = vha->hw; 1046 int ret = QLA_SUCCESS; 1047 1048 if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { 1049 ql_dbg(ql_dbg_taskm, vha, 0x8005, 1050 "Return:eh_wait.\n"); 1051 return ret; 1052 } 1053 1054 while (CMD_SP(cmd) && wait_iter--) { 1055 msleep(ABORT_POLLING_PERIOD); 1056 } 1057 if (CMD_SP(cmd)) 1058 ret = QLA_FUNCTION_FAILED; 1059 1060 return ret; 1061} 1062 1063/* 1064 * qla2x00_wait_for_hba_online 1065 * Wait till the HBA is online after going through 1066 * <= MAX_RETRIES_OF_ISP_ABORT or 1067 * finally HBA is disabled ie marked offline 1068 * 1069 * Input: 1070 * ha - pointer to host adapter structure 1071 * 1072 * Note: 1073 * Does context switching-Release SPIN_LOCK 1074 * (if any) before calling this routine. 1075 * 1076 * Return: 1077 * Success (Adapter is online) : 0 1078 * Failed (Adapter is offline/disabled) : 1 1079 */ 1080int 1081qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) 1082{ 1083 int return_status; 1084 unsigned long wait_online; 1085 struct qla_hw_data *ha = vha->hw; 1086 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 1087 1088 wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); 1089 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || 1090 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || 1091 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || 1092 ha->dpc_active) && time_before(jiffies, wait_online)) { 1093 1094 msleep(1000); 1095 } 1096 if (base_vha->flags.online) 1097 return_status = QLA_SUCCESS; 1098 else 1099 return_status = QLA_FUNCTION_FAILED; 1100 1101 return (return_status); 1102} 1103 1104static inline int test_fcport_count(scsi_qla_host_t *vha) 1105{ 1106 struct qla_hw_data *ha = vha->hw; 1107 unsigned long flags; 1108 int res; 1109 1110 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 1111 ql_dbg(ql_dbg_init, vha, 0x00ec, 1112 "tgt %p, fcport_count=%d\n", 1113 vha, vha->fcport_count); 1114 res = (vha->fcport_count == 0); 1115 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 1116 1117 return res; 1118} 1119 1120/* 1121 * qla2x00_wait_for_sess_deletion can only be called from remove_one. 1122 * it has dependency on UNLOADING flag to stop device discovery 1123 */ 1124void 1125qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha) 1126{ 1127 u8 i; 1128 1129 qla2x00_mark_all_devices_lost(vha); 1130 1131 for (i = 0; i < 10; i++) { 1132 if (wait_event_timeout(vha->fcport_waitQ, 1133 test_fcport_count(vha), HZ) > 0) 1134 break; 1135 } 1136 1137 flush_workqueue(vha->hw->wq); 1138} 1139 1140/* 1141 * qla2x00_wait_for_hba_ready 1142 * Wait till the HBA is ready before doing driver unload 1143 * 1144 * Input: 1145 * ha - pointer to host adapter structure 1146 * 1147 * Note: 1148 * Does context switching-Release SPIN_LOCK 1149 * (if any) before calling this routine. 1150 * 1151 */ 1152static void 1153qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha) 1154{ 1155 struct qla_hw_data *ha = vha->hw; 1156 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 1157 1158 while ((qla2x00_reset_active(vha) || ha->dpc_active || 1159 ha->flags.mbox_busy) || 1160 test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) || 1161 test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) { 1162 if (test_bit(UNLOADING, &base_vha->dpc_flags)) 1163 break; 1164 msleep(1000); 1165 } 1166} 1167 1168int 1169qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) 1170{ 1171 int return_status; 1172 unsigned long wait_reset; 1173 struct qla_hw_data *ha = vha->hw; 1174 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 1175 1176 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 1177 while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || 1178 test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || 1179 test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || 1180 ha->dpc_active) && time_before(jiffies, wait_reset)) { 1181 1182 msleep(1000); 1183 1184 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && 1185 ha->flags.chip_reset_done) 1186 break; 1187 } 1188 if (ha->flags.chip_reset_done) 1189 return_status = QLA_SUCCESS; 1190 else 1191 return_status = QLA_FUNCTION_FAILED; 1192 1193 return return_status; 1194} 1195 1196#define ISP_REG_DISCONNECT 0xffffffffU 1197/************************************************************************** 1198* qla2x00_isp_reg_stat 1199* 1200* Description: 1201* Read the host status register of ISP before aborting the command. 1202* 1203* Input: 1204* ha = pointer to host adapter structure. 1205* 1206* 1207* Returns: 1208* Either true or false. 1209* 1210* Note: Return true if there is register disconnect. 1211**************************************************************************/ 1212static inline 1213uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha) 1214{ 1215 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1216 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 1217 1218 if (IS_P3P_TYPE(ha)) 1219 return ((RD_REG_DWORD(®82->host_int)) == ISP_REG_DISCONNECT); 1220 else 1221 return ((RD_REG_DWORD(®->host_status)) == 1222 ISP_REG_DISCONNECT); 1223} 1224 1225/************************************************************************** 1226* qla2xxx_eh_abort 1227* 1228* Description: 1229* The abort function will abort the specified command. 1230* 1231* Input: 1232* cmd = Linux SCSI command packet to be aborted. 1233* 1234* Returns: 1235* Either SUCCESS or FAILED. 1236* 1237* Note: 1238* Only return FAILED if command not returned by firmware. 1239**************************************************************************/ 1240static int 1241qla2xxx_eh_abort(struct scsi_cmnd *cmd) 1242{ 1243 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1244 DECLARE_COMPLETION_ONSTACK(comp); 1245 srb_t *sp; 1246 int ret; 1247 unsigned int id; 1248 uint64_t lun; 1249 int rval; 1250 struct qla_hw_data *ha = vha->hw; 1251 uint32_t ratov_j; 1252 struct qla_qpair *qpair; 1253 unsigned long flags; 1254 1255 if (qla2x00_isp_reg_stat(ha)) { 1256 ql_log(ql_log_info, vha, 0x8042, 1257 "PCI/Register disconnect, exiting.\n"); 1258 return FAILED; 1259 } 1260 1261 ret = fc_block_scsi_eh(cmd); 1262 if (ret != 0) 1263 return ret; 1264 1265 sp = scsi_cmd_priv(cmd); 1266 qpair = sp->qpair; 1267 1268 if ((sp->fcport && sp->fcport->deleted) || !qpair) 1269 return SUCCESS; 1270 1271 spin_lock_irqsave(qpair->qp_lock_ptr, flags); 1272 sp->comp = ∁ 1273 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); 1274 1275 1276 id = cmd->device->id; 1277 lun = cmd->device->lun; 1278 1279 ql_dbg(ql_dbg_taskm, vha, 0x8002, 1280 "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n", 1281 vha->host_no, id, lun, sp, cmd, sp->handle); 1282 1283 /* 1284 * Abort will release the original Command/sp from FW. Let the 1285 * original command call scsi_done. In return, he will wakeup 1286 * this sleeping thread. 1287 */ 1288 rval = ha->isp_ops->abort_command(sp); 1289 1290 ql_dbg(ql_dbg_taskm, vha, 0x8003, 1291 "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval); 1292 1293 /* Wait for the command completion. */ 1294 ratov_j = ha->r_a_tov/10 * 4 * 1000; 1295 ratov_j = msecs_to_jiffies(ratov_j); 1296 switch (rval) { 1297 case QLA_SUCCESS: 1298 if (!wait_for_completion_timeout(&comp, ratov_j)) { 1299 ql_dbg(ql_dbg_taskm, vha, 0xffff, 1300 "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n", 1301 __func__, ha->r_a_tov/10); 1302 ret = FAILED; 1303 } else { 1304 ret = SUCCESS; 1305 } 1306 break; 1307 default: 1308 ret = FAILED; 1309 break; 1310 } 1311 1312 sp->comp = NULL; 1313 1314 ql_log(ql_log_info, vha, 0x801c, 1315 "Abort command issued nexus=%ld:%d:%llu -- %x.\n", 1316 vha->host_no, id, lun, ret); 1317 1318 return ret; 1319} 1320 1321/* 1322 * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED. 1323 */ 1324int 1325qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, 1326 uint64_t l, enum nexus_wait_type type) 1327{ 1328 int cnt, match, status; 1329 unsigned long flags; 1330 struct qla_hw_data *ha = vha->hw; 1331 struct req_que *req; 1332 srb_t *sp; 1333 struct scsi_cmnd *cmd; 1334 1335 status = QLA_SUCCESS; 1336 1337 spin_lock_irqsave(&ha->hardware_lock, flags); 1338 req = vha->req; 1339 for (cnt = 1; status == QLA_SUCCESS && 1340 cnt < req->num_outstanding_cmds; cnt++) { 1341 sp = req->outstanding_cmds[cnt]; 1342 if (!sp) 1343 continue; 1344 if (sp->type != SRB_SCSI_CMD) 1345 continue; 1346 if (vha->vp_idx != sp->vha->vp_idx) 1347 continue; 1348 match = 0; 1349 cmd = GET_CMD_SP(sp); 1350 switch (type) { 1351 case WAIT_HOST: 1352 match = 1; 1353 break; 1354 case WAIT_TARGET: 1355 match = cmd->device->id == t; 1356 break; 1357 case WAIT_LUN: 1358 match = (cmd->device->id == t && 1359 cmd->device->lun == l); 1360 break; 1361 } 1362 if (!match) 1363 continue; 1364 1365 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1366 status = qla2x00_eh_wait_on_command(cmd); 1367 spin_lock_irqsave(&ha->hardware_lock, flags); 1368 } 1369 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1370 1371 return status; 1372} 1373 1374static char *reset_errors[] = { 1375 "HBA not online", 1376 "HBA not ready", 1377 "Task management failed", 1378 "Waiting for command completions", 1379}; 1380 1381static int 1382__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, 1383 struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int)) 1384{ 1385 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1386 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 1387 int err; 1388 1389 if (!fcport) { 1390 return FAILED; 1391 } 1392 1393 err = fc_block_scsi_eh(cmd); 1394 if (err != 0) 1395 return err; 1396 1397 if (fcport->deleted) 1398 return SUCCESS; 1399 1400 ql_log(ql_log_info, vha, 0x8009, 1401 "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no, 1402 cmd->device->id, cmd->device->lun, cmd); 1403 1404 err = 0; 1405 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { 1406 ql_log(ql_log_warn, vha, 0x800a, 1407 "Wait for hba online failed for cmd=%p.\n", cmd); 1408 goto eh_reset_failed; 1409 } 1410 err = 2; 1411 if (do_reset(fcport, cmd->device->lun, 1) 1412 != QLA_SUCCESS) { 1413 ql_log(ql_log_warn, vha, 0x800c, 1414 "do_reset failed for cmd=%p.\n", cmd); 1415 goto eh_reset_failed; 1416 } 1417 err = 3; 1418 if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, 1419 cmd->device->lun, type) != QLA_SUCCESS) { 1420 ql_log(ql_log_warn, vha, 0x800d, 1421 "wait for pending cmds failed for cmd=%p.\n", cmd); 1422 goto eh_reset_failed; 1423 } 1424 1425 ql_log(ql_log_info, vha, 0x800e, 1426 "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name, 1427 vha->host_no, cmd->device->id, cmd->device->lun, cmd); 1428 1429 return SUCCESS; 1430 1431eh_reset_failed: 1432 ql_log(ql_log_info, vha, 0x800f, 1433 "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name, 1434 reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun, 1435 cmd); 1436 return FAILED; 1437} 1438 1439static int 1440qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) 1441{ 1442 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1443 struct qla_hw_data *ha = vha->hw; 1444 1445 if (qla2x00_isp_reg_stat(ha)) { 1446 ql_log(ql_log_info, vha, 0x803e, 1447 "PCI/Register disconnect, exiting.\n"); 1448 return FAILED; 1449 } 1450 1451 return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, 1452 ha->isp_ops->lun_reset); 1453} 1454 1455static int 1456qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) 1457{ 1458 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1459 struct qla_hw_data *ha = vha->hw; 1460 1461 if (qla2x00_isp_reg_stat(ha)) { 1462 ql_log(ql_log_info, vha, 0x803f, 1463 "PCI/Register disconnect, exiting.\n"); 1464 return FAILED; 1465 } 1466 1467 return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, 1468 ha->isp_ops->target_reset); 1469} 1470 1471/************************************************************************** 1472* qla2xxx_eh_bus_reset 1473* 1474* Description: 1475* The bus reset function will reset the bus and abort any executing 1476* commands. 1477* 1478* Input: 1479* cmd = Linux SCSI command packet of the command that cause the 1480* bus reset. 1481* 1482* Returns: 1483* SUCCESS/FAILURE (defined as macro in scsi.h). 1484* 1485**************************************************************************/ 1486static int 1487qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) 1488{ 1489 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1490 fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; 1491 int ret = FAILED; 1492 unsigned int id; 1493 uint64_t lun; 1494 struct qla_hw_data *ha = vha->hw; 1495 1496 if (qla2x00_isp_reg_stat(ha)) { 1497 ql_log(ql_log_info, vha, 0x8040, 1498 "PCI/Register disconnect, exiting.\n"); 1499 return FAILED; 1500 } 1501 1502 id = cmd->device->id; 1503 lun = cmd->device->lun; 1504 1505 if (!fcport) { 1506 return ret; 1507 } 1508 1509 ret = fc_block_scsi_eh(cmd); 1510 if (ret != 0) 1511 return ret; 1512 ret = FAILED; 1513 1514 if (qla2x00_chip_is_down(vha)) 1515 return ret; 1516 1517 ql_log(ql_log_info, vha, 0x8012, 1518 "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun); 1519 1520 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { 1521 ql_log(ql_log_fatal, vha, 0x8013, 1522 "Wait for hba online failed board disabled.\n"); 1523 goto eh_bus_reset_done; 1524 } 1525 1526 if (qla2x00_loop_reset(vha) == QLA_SUCCESS) 1527 ret = SUCCESS; 1528 1529 if (ret == FAILED) 1530 goto eh_bus_reset_done; 1531 1532 /* Flush outstanding commands. */ 1533 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != 1534 QLA_SUCCESS) { 1535 ql_log(ql_log_warn, vha, 0x8014, 1536 "Wait for pending commands failed.\n"); 1537 ret = FAILED; 1538 } 1539 1540eh_bus_reset_done: 1541 ql_log(ql_log_warn, vha, 0x802b, 1542 "BUS RESET %s nexus=%ld:%d:%llu.\n", 1543 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); 1544 1545 return ret; 1546} 1547 1548/************************************************************************** 1549* qla2xxx_eh_host_reset 1550* 1551* Description: 1552* The reset function will reset the Adapter. 1553* 1554* Input: 1555* cmd = Linux SCSI command packet of the command that cause the 1556* adapter reset. 1557* 1558* Returns: 1559* Either SUCCESS or FAILED. 1560* 1561* Note: 1562**************************************************************************/ 1563static int 1564qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) 1565{ 1566 scsi_qla_host_t *vha = shost_priv(cmd->device->host); 1567 struct qla_hw_data *ha = vha->hw; 1568 int ret = FAILED; 1569 unsigned int id; 1570 uint64_t lun; 1571 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 1572 1573 if (qla2x00_isp_reg_stat(ha)) { 1574 ql_log(ql_log_info, vha, 0x8041, 1575 "PCI/Register disconnect, exiting.\n"); 1576 schedule_work(&ha->board_disable); 1577 return SUCCESS; 1578 } 1579 1580 id = cmd->device->id; 1581 lun = cmd->device->lun; 1582 1583 ql_log(ql_log_info, vha, 0x8018, 1584 "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun); 1585 1586 /* 1587 * No point in issuing another reset if one is active. Also do not 1588 * attempt a reset if we are updating flash. 1589 */ 1590 if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING) 1591 goto eh_host_reset_lock; 1592 1593 if (vha != base_vha) { 1594 if (qla2x00_vp_abort_isp(vha)) 1595 goto eh_host_reset_lock; 1596 } else { 1597 if (IS_P3P_TYPE(vha->hw)) { 1598 if (!qla82xx_fcoe_ctx_reset(vha)) { 1599 /* Ctx reset success */ 1600 ret = SUCCESS; 1601 goto eh_host_reset_lock; 1602 } 1603 /* fall thru if ctx reset failed */ 1604 } 1605 if (ha->wq) 1606 flush_workqueue(ha->wq); 1607 1608 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1609 if (ha->isp_ops->abort_isp(base_vha)) { 1610 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1611 /* failed. schedule dpc to try */ 1612 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); 1613 1614 if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { 1615 ql_log(ql_log_warn, vha, 0x802a, 1616 "wait for hba online failed.\n"); 1617 goto eh_host_reset_lock; 1618 } 1619 } 1620 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 1621 } 1622 1623 /* Waiting for command to be returned to OS.*/ 1624 if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == 1625 QLA_SUCCESS) 1626 ret = SUCCESS; 1627 1628eh_host_reset_lock: 1629 ql_log(ql_log_info, vha, 0x8017, 1630 "ADAPTER RESET %s nexus=%ld:%d:%llu.\n", 1631 (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); 1632 1633 return ret; 1634} 1635 1636/* 1637* qla2x00_loop_reset 1638* Issue loop reset. 1639* 1640* Input: 1641* ha = adapter block pointer. 1642* 1643* Returns: 1644* 0 = success 1645*/ 1646int 1647qla2x00_loop_reset(scsi_qla_host_t *vha) 1648{ 1649 int ret; 1650 struct fc_port *fcport; 1651 struct qla_hw_data *ha = vha->hw; 1652 1653 if (IS_QLAFX00(ha)) { 1654 return qlafx00_loop_reset(vha); 1655 } 1656 1657 if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { 1658 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1659 if (fcport->port_type != FCT_TARGET) 1660 continue; 1661 1662 ret = ha->isp_ops->target_reset(fcport, 0, 0); 1663 if (ret != QLA_SUCCESS) { 1664 ql_dbg(ql_dbg_taskm, vha, 0x802c, 1665 "Bus Reset failed: Reset=%d " 1666 "d_id=%x.\n", ret, fcport->d_id.b24); 1667 } 1668 } 1669 } 1670 1671 1672 if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { 1673 atomic_set(&vha->loop_state, LOOP_DOWN); 1674 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 1675 qla2x00_mark_all_devices_lost(vha); 1676 ret = qla2x00_full_login_lip(vha); 1677 if (ret != QLA_SUCCESS) { 1678 ql_dbg(ql_dbg_taskm, vha, 0x802d, 1679 "full_login_lip=%d.\n", ret); 1680 } 1681 } 1682 1683 if (ha->flags.enable_lip_reset) { 1684 ret = qla2x00_lip_reset(vha); 1685 if (ret != QLA_SUCCESS) 1686 ql_dbg(ql_dbg_taskm, vha, 0x802e, 1687 "lip_reset failed (%d).\n", ret); 1688 } 1689 1690 /* Issue marker command only when we are going to start the I/O */ 1691 vha->marker_needed = 1; 1692 1693 return QLA_SUCCESS; 1694} 1695 1696/* 1697 * The caller must ensure that no completion interrupts will happen 1698 * while this function is in progress. 1699 */ 1700static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res, 1701 unsigned long *flags) 1702 __releases(qp->qp_lock_ptr) 1703 __acquires(qp->qp_lock_ptr) 1704{ 1705 DECLARE_COMPLETION_ONSTACK(comp); 1706 scsi_qla_host_t *vha = qp->vha; 1707 struct qla_hw_data *ha = vha->hw; 1708 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1709 int rval; 1710 bool ret_cmd; 1711 uint32_t ratov_j; 1712 1713 lockdep_assert_held(qp->qp_lock_ptr); 1714 1715 if (qla2x00_chip_is_down(vha)) { 1716 sp->done(sp, res); 1717 return; 1718 } 1719 1720 if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS || 1721 (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy && 1722 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) && 1723 !qla2x00_isp_reg_stat(ha))) { 1724 if (sp->comp) { 1725 sp->done(sp, res); 1726 return; 1727 } 1728 1729 sp->comp = ∁ 1730 spin_unlock_irqrestore(qp->qp_lock_ptr, *flags); 1731 1732 rval = ha->isp_ops->abort_command(sp); 1733 /* Wait for command completion. */ 1734 ret_cmd = false; 1735 ratov_j = ha->r_a_tov/10 * 4 * 1000; 1736 ratov_j = msecs_to_jiffies(ratov_j); 1737 switch (rval) { 1738 case QLA_SUCCESS: 1739 if (wait_for_completion_timeout(&comp, ratov_j)) { 1740 ql_dbg(ql_dbg_taskm, vha, 0xffff, 1741 "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n", 1742 __func__, ha->r_a_tov/10); 1743 ret_cmd = true; 1744 } 1745 /* else FW return SP to driver */ 1746 break; 1747 default: 1748 ret_cmd = true; 1749 break; 1750 } 1751 1752 spin_lock_irqsave(qp->qp_lock_ptr, *flags); 1753 if (ret_cmd && blk_mq_request_started(cmd->request)) 1754 sp->done(sp, res); 1755 } else { 1756 sp->done(sp, res); 1757 } 1758} 1759 1760/* 1761 * The caller must ensure that no completion interrupts will happen 1762 * while this function is in progress. 1763 */ 1764static void 1765__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res) 1766{ 1767 int cnt; 1768 unsigned long flags; 1769 srb_t *sp; 1770 scsi_qla_host_t *vha = qp->vha; 1771 struct qla_hw_data *ha = vha->hw; 1772 struct req_que *req; 1773 struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; 1774 struct qla_tgt_cmd *cmd; 1775 1776 if (!ha->req_q_map) 1777 return; 1778 spin_lock_irqsave(qp->qp_lock_ptr, flags); 1779 req = qp->req; 1780 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { 1781 sp = req->outstanding_cmds[cnt]; 1782 if (sp) { 1783 switch (sp->cmd_type) { 1784 case TYPE_SRB: 1785 qla2x00_abort_srb(qp, sp, res, &flags); 1786 break; 1787 case TYPE_TGT_CMD: 1788 if (!vha->hw->tgt.tgt_ops || !tgt || 1789 qla_ini_mode_enabled(vha)) { 1790 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003, 1791 "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n", 1792 vha->dpc_flags); 1793 continue; 1794 } 1795 cmd = (struct qla_tgt_cmd *)sp; 1796 cmd->aborted = 1; 1797 break; 1798 case TYPE_TGT_TMCMD: 1799 /* Skip task management functions. */ 1800 break; 1801 default: 1802 break; 1803 } 1804 req->outstanding_cmds[cnt] = NULL; 1805 } 1806 } 1807 spin_unlock_irqrestore(qp->qp_lock_ptr, flags); 1808} 1809 1810/* 1811 * The caller must ensure that no completion interrupts will happen 1812 * while this function is in progress. 1813 */ 1814void 1815qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) 1816{ 1817 int que; 1818 struct qla_hw_data *ha = vha->hw; 1819 1820 /* Continue only if initialization complete. */ 1821 if (!ha->base_qpair) 1822 return; 1823 __qla2x00_abort_all_cmds(ha->base_qpair, res); 1824 1825 if (!ha->queue_pair_map) 1826 return; 1827 for (que = 0; que < ha->max_qpairs; que++) { 1828 if (!ha->queue_pair_map[que]) 1829 continue; 1830 1831 __qla2x00_abort_all_cmds(ha->queue_pair_map[que], res); 1832 } 1833} 1834 1835static int 1836qla2xxx_slave_alloc(struct scsi_device *sdev) 1837{ 1838 struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); 1839 1840 if (!rport || fc_remote_port_chkready(rport)) 1841 return -ENXIO; 1842 1843 sdev->hostdata = *(fc_port_t **)rport->dd_data; 1844 1845 return 0; 1846} 1847 1848static int 1849qla2xxx_slave_configure(struct scsi_device *sdev) 1850{ 1851 scsi_qla_host_t *vha = shost_priv(sdev->host); 1852 struct req_que *req = vha->req; 1853 1854 if (IS_T10_PI_CAPABLE(vha->hw)) 1855 blk_queue_update_dma_alignment(sdev->request_queue, 0x7); 1856 1857 scsi_change_queue_depth(sdev, req->max_q_depth); 1858 return 0; 1859} 1860 1861static void 1862qla2xxx_slave_destroy(struct scsi_device *sdev) 1863{ 1864 sdev->hostdata = NULL; 1865} 1866 1867/** 1868 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. 1869 * @ha: HA context 1870 * 1871 * At exit, the @ha's flags.enable_64bit_addressing set to indicated 1872 * supported addressing method. 1873 */ 1874static void 1875qla2x00_config_dma_addressing(struct qla_hw_data *ha) 1876{ 1877 /* Assume a 32bit DMA mask. */ 1878 ha->flags.enable_64bit_addressing = 0; 1879 1880 if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { 1881 /* Any upper-dword bits set? */ 1882 if (MSD(dma_get_required_mask(&ha->pdev->dev)) && 1883 !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 1884 /* Ok, a 64bit DMA mask is applicable. */ 1885 ha->flags.enable_64bit_addressing = 1; 1886 ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; 1887 ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; 1888 return; 1889 } 1890 } 1891 1892 dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32)); 1893 pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 1894} 1895 1896static void 1897qla2x00_enable_intrs(struct qla_hw_data *ha) 1898{ 1899 unsigned long flags = 0; 1900 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1901 1902 spin_lock_irqsave(&ha->hardware_lock, flags); 1903 ha->interrupts_on = 1; 1904 /* enable risc and host interrupts */ 1905 WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); 1906 RD_REG_WORD(®->ictrl); 1907 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1908 1909} 1910 1911static void 1912qla2x00_disable_intrs(struct qla_hw_data *ha) 1913{ 1914 unsigned long flags = 0; 1915 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1916 1917 spin_lock_irqsave(&ha->hardware_lock, flags); 1918 ha->interrupts_on = 0; 1919 /* disable risc and host interrupts */ 1920 WRT_REG_WORD(®->ictrl, 0); 1921 RD_REG_WORD(®->ictrl); 1922 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1923} 1924 1925static void 1926qla24xx_enable_intrs(struct qla_hw_data *ha) 1927{ 1928 unsigned long flags = 0; 1929 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1930 1931 spin_lock_irqsave(&ha->hardware_lock, flags); 1932 ha->interrupts_on = 1; 1933 WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); 1934 RD_REG_DWORD(®->ictrl); 1935 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1936} 1937 1938static void 1939qla24xx_disable_intrs(struct qla_hw_data *ha) 1940{ 1941 unsigned long flags = 0; 1942 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1943 1944 if (IS_NOPOLLING_TYPE(ha)) 1945 return; 1946 spin_lock_irqsave(&ha->hardware_lock, flags); 1947 ha->interrupts_on = 0; 1948 WRT_REG_DWORD(®->ictrl, 0); 1949 RD_REG_DWORD(®->ictrl); 1950 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1951} 1952 1953static int 1954qla2x00_iospace_config(struct qla_hw_data *ha) 1955{ 1956 resource_size_t pio; 1957 uint16_t msix; 1958 1959 if (pci_request_selected_regions(ha->pdev, ha->bars, 1960 QLA2XXX_DRIVER_NAME)) { 1961 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011, 1962 "Failed to reserve PIO/MMIO regions (%s), aborting.\n", 1963 pci_name(ha->pdev)); 1964 goto iospace_error_exit; 1965 } 1966 if (!(ha->bars & 1)) 1967 goto skip_pio; 1968 1969 /* We only need PIO for Flash operations on ISP2312 v2 chips. */ 1970 pio = pci_resource_start(ha->pdev, 0); 1971 if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { 1972 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { 1973 ql_log_pci(ql_log_warn, ha->pdev, 0x0012, 1974 "Invalid pci I/O region size (%s).\n", 1975 pci_name(ha->pdev)); 1976 pio = 0; 1977 } 1978 } else { 1979 ql_log_pci(ql_log_warn, ha->pdev, 0x0013, 1980 "Region #0 no a PIO resource (%s).\n", 1981 pci_name(ha->pdev)); 1982 pio = 0; 1983 } 1984 ha->pio_address = pio; 1985 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014, 1986 "PIO address=%llu.\n", 1987 (unsigned long long)ha->pio_address); 1988 1989skip_pio: 1990 /* Use MMIO operations for all accesses. */ 1991 if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { 1992 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015, 1993 "Region #1 not an MMIO resource (%s), aborting.\n", 1994 pci_name(ha->pdev)); 1995 goto iospace_error_exit; 1996 } 1997 if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { 1998 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016, 1999 "Invalid PCI mem region size (%s), aborting.\n", 2000 pci_name(ha->pdev)); 2001 goto iospace_error_exit; 2002 } 2003 2004 ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); 2005 if (!ha->iobase) { 2006 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017, 2007 "Cannot remap MMIO (%s), aborting.\n", 2008 pci_name(ha->pdev)); 2009 goto iospace_error_exit; 2010 } 2011 2012 /* Determine queue resources */ 2013 ha->max_req_queues = ha->max_rsp_queues = 1; 2014 ha->msix_count = QLA_BASE_VECTORS; 2015 if (!ql2xmqsupport || !ql2xnvmeenable || 2016 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) 2017 goto mqiobase_exit; 2018 2019 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3), 2020 pci_resource_len(ha->pdev, 3)); 2021 if (ha->mqiobase) { 2022 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018, 2023 "MQIO Base=%p.\n", ha->mqiobase); 2024 /* Read MSIX vector size of the board */ 2025 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix); 2026 ha->msix_count = msix + 1; 2027 /* Max queues are bounded by available msix vectors */ 2028 /* MB interrupt uses 1 vector */ 2029 ha->max_req_queues = ha->msix_count - 1; 2030 ha->max_rsp_queues = ha->max_req_queues; 2031 /* Queue pairs is the max value minus the base queue pair */ 2032 ha->max_qpairs = ha->max_rsp_queues - 1; 2033 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188, 2034 "Max no of queues pairs: %d.\n", ha->max_qpairs); 2035 2036 ql_log_pci(ql_log_info, ha->pdev, 0x001a, 2037 "MSI-X vector count: %d.\n", ha->msix_count); 2038 } else 2039 ql_log_pci(ql_log_info, ha->pdev, 0x001b, 2040 "BAR 3 not enabled.\n"); 2041 2042mqiobase_exit: 2043 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c, 2044 "MSIX Count: %d.\n", ha->msix_count); 2045 return (0); 2046 2047iospace_error_exit: 2048 return (-ENOMEM); 2049} 2050 2051 2052static int 2053qla83xx_iospace_config(struct qla_hw_data *ha) 2054{ 2055 uint16_t msix; 2056 2057 if (pci_request_selected_regions(ha->pdev, ha->bars, 2058 QLA2XXX_DRIVER_NAME)) { 2059 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117, 2060 "Failed to reserve PIO/MMIO regions (%s), aborting.\n", 2061 pci_name(ha->pdev)); 2062 2063 goto iospace_error_exit; 2064 } 2065 2066 /* Use MMIO operations for all accesses. */ 2067 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 2068 ql_log_pci(ql_log_warn, ha->pdev, 0x0118, 2069 "Invalid pci I/O region size (%s).\n", 2070 pci_name(ha->pdev)); 2071 goto iospace_error_exit; 2072 } 2073 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { 2074 ql_log_pci(ql_log_warn, ha->pdev, 0x0119, 2075 "Invalid PCI mem region size (%s), aborting\n", 2076 pci_name(ha->pdev)); 2077 goto iospace_error_exit; 2078 } 2079 2080 ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN); 2081 if (!ha->iobase) { 2082 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a, 2083 "Cannot remap MMIO (%s), aborting.\n", 2084 pci_name(ha->pdev)); 2085 goto iospace_error_exit; 2086 } 2087 2088 /* 64bit PCI BAR - BAR2 will correspoond to region 4 */ 2089 /* 83XX 26XX always use MQ type access for queues 2090 * - mbar 2, a.k.a region 4 */ 2091 ha->max_req_queues = ha->max_rsp_queues = 1; 2092 ha->msix_count = QLA_BASE_VECTORS; 2093 ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4), 2094 pci_resource_len(ha->pdev, 4)); 2095 2096 if (!ha->mqiobase) { 2097 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d, 2098 "BAR2/region4 not enabled\n"); 2099 goto mqiobase_exit; 2100 } 2101 2102 ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2), 2103 pci_resource_len(ha->pdev, 2)); 2104 if (ha->msixbase) { 2105 /* Read MSIX vector size of the board */ 2106 pci_read_config_word(ha->pdev, 2107 QLA_83XX_PCI_MSIX_CONTROL, &msix); 2108 ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE) + 1; 2109 /* 2110 * By default, driver uses at least two msix vectors 2111 * (default & rspq) 2112 */ 2113 if (ql2xmqsupport || ql2xnvmeenable) { 2114 /* MB interrupt uses 1 vector */ 2115 ha->max_req_queues = ha->msix_count - 1; 2116 2117 /* ATIOQ needs 1 vector. That's 1 less QPair */ 2118 if (QLA_TGT_MODE_ENABLED()) 2119 ha->max_req_queues--; 2120 2121 ha->max_rsp_queues = ha->max_req_queues; 2122 2123 /* Queue pairs is the max value minus 2124 * the base queue pair */ 2125 ha->max_qpairs = ha->max_req_queues - 1; 2126 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3, 2127 "Max no of queues pairs: %d.\n", ha->max_qpairs); 2128 } 2129 ql_log_pci(ql_log_info, ha->pdev, 0x011c, 2130 "MSI-X vector count: %d.\n", ha->msix_count); 2131 } else 2132 ql_log_pci(ql_log_info, ha->pdev, 0x011e, 2133 "BAR 1 not enabled.\n"); 2134 2135mqiobase_exit: 2136 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f, 2137 "MSIX Count: %d.\n", ha->msix_count); 2138 return 0; 2139 2140iospace_error_exit: 2141 return -ENOMEM; 2142} 2143 2144static struct isp_operations qla2100_isp_ops = { 2145 .pci_config = qla2100_pci_config, 2146 .reset_chip = qla2x00_reset_chip, 2147 .chip_diag = qla2x00_chip_diag, 2148 .config_rings = qla2x00_config_rings, 2149 .reset_adapter = qla2x00_reset_adapter, 2150 .nvram_config = qla2x00_nvram_config, 2151 .update_fw_options = qla2x00_update_fw_options, 2152 .load_risc = qla2x00_load_risc, 2153 .pci_info_str = qla2x00_pci_info_str, 2154 .fw_version_str = qla2x00_fw_version_str, 2155 .intr_handler = qla2100_intr_handler, 2156 .enable_intrs = qla2x00_enable_intrs, 2157 .disable_intrs = qla2x00_disable_intrs, 2158 .abort_command = qla2x00_abort_command, 2159 .target_reset = qla2x00_abort_target, 2160 .lun_reset = qla2x00_lun_reset, 2161 .fabric_login = qla2x00_login_fabric, 2162 .fabric_logout = qla2x00_fabric_logout, 2163 .calc_req_entries = qla2x00_calc_iocbs_32, 2164 .build_iocbs = qla2x00_build_scsi_iocbs_32, 2165 .prep_ms_iocb = qla2x00_prep_ms_iocb, 2166 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, 2167 .read_nvram = qla2x00_read_nvram_data, 2168 .write_nvram = qla2x00_write_nvram_data, 2169 .fw_dump = qla2100_fw_dump, 2170 .beacon_on = NULL, 2171 .beacon_off = NULL, 2172 .beacon_blink = NULL, 2173 .read_optrom = qla2x00_read_optrom_data, 2174 .write_optrom = qla2x00_write_optrom_data, 2175 .get_flash_version = qla2x00_get_flash_version, 2176 .start_scsi = qla2x00_start_scsi, 2177 .start_scsi_mq = NULL, 2178 .abort_isp = qla2x00_abort_isp, 2179 .iospace_config = qla2x00_iospace_config, 2180 .initialize_adapter = qla2x00_initialize_adapter, 2181}; 2182 2183static struct isp_operations qla2300_isp_ops = { 2184 .pci_config = qla2300_pci_config, 2185 .reset_chip = qla2x00_reset_chip, 2186 .chip_diag = qla2x00_chip_diag, 2187 .config_rings = qla2x00_config_rings, 2188 .reset_adapter = qla2x00_reset_adapter, 2189 .nvram_config = qla2x00_nvram_config, 2190 .update_fw_options = qla2x00_update_fw_options, 2191 .load_risc = qla2x00_load_risc, 2192 .pci_info_str = qla2x00_pci_info_str, 2193 .fw_version_str = qla2x00_fw_version_str, 2194 .intr_handler = qla2300_intr_handler, 2195 .enable_intrs = qla2x00_enable_intrs, 2196 .disable_intrs = qla2x00_disable_intrs, 2197 .abort_command = qla2x00_abort_command, 2198 .target_reset = qla2x00_abort_target, 2199 .lun_reset = qla2x00_lun_reset, 2200 .fabric_login = qla2x00_login_fabric, 2201 .fabric_logout = qla2x00_fabric_logout, 2202 .calc_req_entries = qla2x00_calc_iocbs_32, 2203 .build_iocbs = qla2x00_build_scsi_iocbs_32, 2204 .prep_ms_iocb = qla2x00_prep_ms_iocb, 2205 .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, 2206 .read_nvram = qla2x00_read_nvram_data, 2207 .write_nvram = qla2x00_write_nvram_data, 2208 .fw_dump = qla2300_fw_dump, 2209 .beacon_on = qla2x00_beacon_on, 2210 .beacon_off = qla2x00_beacon_off, 2211 .beacon_blink = qla2x00_beacon_blink, 2212 .read_optrom = qla2x00_read_optrom_data, 2213 .write_optrom = qla2x00_write_optrom_data, 2214 .get_flash_version = qla2x00_get_flash_version, 2215 .start_scsi = qla2x00_start_scsi, 2216 .start_scsi_mq = NULL, 2217 .abort_isp = qla2x00_abort_isp, 2218 .iospace_config = qla2x00_iospace_config, 2219 .initialize_adapter = qla2x00_initialize_adapter, 2220}; 2221 2222static struct isp_operations qla24xx_isp_ops = { 2223 .pci_config = qla24xx_pci_config, 2224 .reset_chip = qla24xx_reset_chip, 2225 .chip_diag = qla24xx_chip_diag, 2226 .config_rings = qla24xx_config_rings, 2227 .reset_adapter = qla24xx_reset_adapter, 2228 .nvram_config = qla24xx_nvram_config, 2229 .update_fw_options = qla24xx_update_fw_options, 2230 .load_risc = qla24xx_load_risc, 2231 .pci_info_str = qla24xx_pci_info_str, 2232 .fw_version_str = qla24xx_fw_version_str, 2233 .intr_handler = qla24xx_intr_handler, 2234 .enable_intrs = qla24xx_enable_intrs, 2235 .disable_intrs = qla24xx_disable_intrs, 2236 .abort_command = qla24xx_abort_command, 2237 .target_reset = qla24xx_abort_target, 2238 .lun_reset = qla24xx_lun_reset, 2239 .fabric_login = qla24xx_login_fabric, 2240 .fabric_logout = qla24xx_fabric_logout, 2241 .calc_req_entries = NULL, 2242 .build_iocbs = NULL, 2243 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2244 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2245 .read_nvram = qla24xx_read_nvram_data, 2246 .write_nvram = qla24xx_write_nvram_data, 2247 .fw_dump = qla24xx_fw_dump, 2248 .beacon_on = qla24xx_beacon_on, 2249 .beacon_off = qla24xx_beacon_off, 2250 .beacon_blink = qla24xx_beacon_blink, 2251 .read_optrom = qla24xx_read_optrom_data, 2252 .write_optrom = qla24xx_write_optrom_data, 2253 .get_flash_version = qla24xx_get_flash_version, 2254 .start_scsi = qla24xx_start_scsi, 2255 .start_scsi_mq = NULL, 2256 .abort_isp = qla2x00_abort_isp, 2257 .iospace_config = qla2x00_iospace_config, 2258 .initialize_adapter = qla2x00_initialize_adapter, 2259}; 2260 2261static struct isp_operations qla25xx_isp_ops = { 2262 .pci_config = qla25xx_pci_config, 2263 .reset_chip = qla24xx_reset_chip, 2264 .chip_diag = qla24xx_chip_diag, 2265 .config_rings = qla24xx_config_rings, 2266 .reset_adapter = qla24xx_reset_adapter, 2267 .nvram_config = qla24xx_nvram_config, 2268 .update_fw_options = qla24xx_update_fw_options, 2269 .load_risc = qla24xx_load_risc, 2270 .pci_info_str = qla24xx_pci_info_str, 2271 .fw_version_str = qla24xx_fw_version_str, 2272 .intr_handler = qla24xx_intr_handler, 2273 .enable_intrs = qla24xx_enable_intrs, 2274 .disable_intrs = qla24xx_disable_intrs, 2275 .abort_command = qla24xx_abort_command, 2276 .target_reset = qla24xx_abort_target, 2277 .lun_reset = qla24xx_lun_reset, 2278 .fabric_login = qla24xx_login_fabric, 2279 .fabric_logout = qla24xx_fabric_logout, 2280 .calc_req_entries = NULL, 2281 .build_iocbs = NULL, 2282 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2283 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2284 .read_nvram = qla25xx_read_nvram_data, 2285 .write_nvram = qla25xx_write_nvram_data, 2286 .fw_dump = qla25xx_fw_dump, 2287 .beacon_on = qla24xx_beacon_on, 2288 .beacon_off = qla24xx_beacon_off, 2289 .beacon_blink = qla24xx_beacon_blink, 2290 .read_optrom = qla25xx_read_optrom_data, 2291 .write_optrom = qla24xx_write_optrom_data, 2292 .get_flash_version = qla24xx_get_flash_version, 2293 .start_scsi = qla24xx_dif_start_scsi, 2294 .start_scsi_mq = qla2xxx_dif_start_scsi_mq, 2295 .abort_isp = qla2x00_abort_isp, 2296 .iospace_config = qla2x00_iospace_config, 2297 .initialize_adapter = qla2x00_initialize_adapter, 2298}; 2299 2300static struct isp_operations qla81xx_isp_ops = { 2301 .pci_config = qla25xx_pci_config, 2302 .reset_chip = qla24xx_reset_chip, 2303 .chip_diag = qla24xx_chip_diag, 2304 .config_rings = qla24xx_config_rings, 2305 .reset_adapter = qla24xx_reset_adapter, 2306 .nvram_config = qla81xx_nvram_config, 2307 .update_fw_options = qla24xx_update_fw_options, 2308 .load_risc = qla81xx_load_risc, 2309 .pci_info_str = qla24xx_pci_info_str, 2310 .fw_version_str = qla24xx_fw_version_str, 2311 .intr_handler = qla24xx_intr_handler, 2312 .enable_intrs = qla24xx_enable_intrs, 2313 .disable_intrs = qla24xx_disable_intrs, 2314 .abort_command = qla24xx_abort_command, 2315 .target_reset = qla24xx_abort_target, 2316 .lun_reset = qla24xx_lun_reset, 2317 .fabric_login = qla24xx_login_fabric, 2318 .fabric_logout = qla24xx_fabric_logout, 2319 .calc_req_entries = NULL, 2320 .build_iocbs = NULL, 2321 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2322 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2323 .read_nvram = NULL, 2324 .write_nvram = NULL, 2325 .fw_dump = qla81xx_fw_dump, 2326 .beacon_on = qla24xx_beacon_on, 2327 .beacon_off = qla24xx_beacon_off, 2328 .beacon_blink = qla83xx_beacon_blink, 2329 .read_optrom = qla25xx_read_optrom_data, 2330 .write_optrom = qla24xx_write_optrom_data, 2331 .get_flash_version = qla24xx_get_flash_version, 2332 .start_scsi = qla24xx_dif_start_scsi, 2333 .start_scsi_mq = qla2xxx_dif_start_scsi_mq, 2334 .abort_isp = qla2x00_abort_isp, 2335 .iospace_config = qla2x00_iospace_config, 2336 .initialize_adapter = qla2x00_initialize_adapter, 2337}; 2338 2339static struct isp_operations qla82xx_isp_ops = { 2340 .pci_config = qla82xx_pci_config, 2341 .reset_chip = qla82xx_reset_chip, 2342 .chip_diag = qla24xx_chip_diag, 2343 .config_rings = qla82xx_config_rings, 2344 .reset_adapter = qla24xx_reset_adapter, 2345 .nvram_config = qla81xx_nvram_config, 2346 .update_fw_options = qla24xx_update_fw_options, 2347 .load_risc = qla82xx_load_risc, 2348 .pci_info_str = qla24xx_pci_info_str, 2349 .fw_version_str = qla24xx_fw_version_str, 2350 .intr_handler = qla82xx_intr_handler, 2351 .enable_intrs = qla82xx_enable_intrs, 2352 .disable_intrs = qla82xx_disable_intrs, 2353 .abort_command = qla24xx_abort_command, 2354 .target_reset = qla24xx_abort_target, 2355 .lun_reset = qla24xx_lun_reset, 2356 .fabric_login = qla24xx_login_fabric, 2357 .fabric_logout = qla24xx_fabric_logout, 2358 .calc_req_entries = NULL, 2359 .build_iocbs = NULL, 2360 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2361 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2362 .read_nvram = qla24xx_read_nvram_data, 2363 .write_nvram = qla24xx_write_nvram_data, 2364 .fw_dump = qla82xx_fw_dump, 2365 .beacon_on = qla82xx_beacon_on, 2366 .beacon_off = qla82xx_beacon_off, 2367 .beacon_blink = NULL, 2368 .read_optrom = qla82xx_read_optrom_data, 2369 .write_optrom = qla82xx_write_optrom_data, 2370 .get_flash_version = qla82xx_get_flash_version, 2371 .start_scsi = qla82xx_start_scsi, 2372 .start_scsi_mq = NULL, 2373 .abort_isp = qla82xx_abort_isp, 2374 .iospace_config = qla82xx_iospace_config, 2375 .initialize_adapter = qla2x00_initialize_adapter, 2376}; 2377 2378static struct isp_operations qla8044_isp_ops = { 2379 .pci_config = qla82xx_pci_config, 2380 .reset_chip = qla82xx_reset_chip, 2381 .chip_diag = qla24xx_chip_diag, 2382 .config_rings = qla82xx_config_rings, 2383 .reset_adapter = qla24xx_reset_adapter, 2384 .nvram_config = qla81xx_nvram_config, 2385 .update_fw_options = qla24xx_update_fw_options, 2386 .load_risc = qla82xx_load_risc, 2387 .pci_info_str = qla24xx_pci_info_str, 2388 .fw_version_str = qla24xx_fw_version_str, 2389 .intr_handler = qla8044_intr_handler, 2390 .enable_intrs = qla82xx_enable_intrs, 2391 .disable_intrs = qla82xx_disable_intrs, 2392 .abort_command = qla24xx_abort_command, 2393 .target_reset = qla24xx_abort_target, 2394 .lun_reset = qla24xx_lun_reset, 2395 .fabric_login = qla24xx_login_fabric, 2396 .fabric_logout = qla24xx_fabric_logout, 2397 .calc_req_entries = NULL, 2398 .build_iocbs = NULL, 2399 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2400 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2401 .read_nvram = NULL, 2402 .write_nvram = NULL, 2403 .fw_dump = qla8044_fw_dump, 2404 .beacon_on = qla82xx_beacon_on, 2405 .beacon_off = qla82xx_beacon_off, 2406 .beacon_blink = NULL, 2407 .read_optrom = qla8044_read_optrom_data, 2408 .write_optrom = qla8044_write_optrom_data, 2409 .get_flash_version = qla82xx_get_flash_version, 2410 .start_scsi = qla82xx_start_scsi, 2411 .start_scsi_mq = NULL, 2412 .abort_isp = qla8044_abort_isp, 2413 .iospace_config = qla82xx_iospace_config, 2414 .initialize_adapter = qla2x00_initialize_adapter, 2415}; 2416 2417static struct isp_operations qla83xx_isp_ops = { 2418 .pci_config = qla25xx_pci_config, 2419 .reset_chip = qla24xx_reset_chip, 2420 .chip_diag = qla24xx_chip_diag, 2421 .config_rings = qla24xx_config_rings, 2422 .reset_adapter = qla24xx_reset_adapter, 2423 .nvram_config = qla81xx_nvram_config, 2424 .update_fw_options = qla24xx_update_fw_options, 2425 .load_risc = qla81xx_load_risc, 2426 .pci_info_str = qla24xx_pci_info_str, 2427 .fw_version_str = qla24xx_fw_version_str, 2428 .intr_handler = qla24xx_intr_handler, 2429 .enable_intrs = qla24xx_enable_intrs, 2430 .disable_intrs = qla24xx_disable_intrs, 2431 .abort_command = qla24xx_abort_command, 2432 .target_reset = qla24xx_abort_target, 2433 .lun_reset = qla24xx_lun_reset, 2434 .fabric_login = qla24xx_login_fabric, 2435 .fabric_logout = qla24xx_fabric_logout, 2436 .calc_req_entries = NULL, 2437 .build_iocbs = NULL, 2438 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2439 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2440 .read_nvram = NULL, 2441 .write_nvram = NULL, 2442 .fw_dump = qla83xx_fw_dump, 2443 .beacon_on = qla24xx_beacon_on, 2444 .beacon_off = qla24xx_beacon_off, 2445 .beacon_blink = qla83xx_beacon_blink, 2446 .read_optrom = qla25xx_read_optrom_data, 2447 .write_optrom = qla24xx_write_optrom_data, 2448 .get_flash_version = qla24xx_get_flash_version, 2449 .start_scsi = qla24xx_dif_start_scsi, 2450 .start_scsi_mq = qla2xxx_dif_start_scsi_mq, 2451 .abort_isp = qla2x00_abort_isp, 2452 .iospace_config = qla83xx_iospace_config, 2453 .initialize_adapter = qla2x00_initialize_adapter, 2454}; 2455 2456static struct isp_operations qlafx00_isp_ops = { 2457 .pci_config = qlafx00_pci_config, 2458 .reset_chip = qlafx00_soft_reset, 2459 .chip_diag = qlafx00_chip_diag, 2460 .config_rings = qlafx00_config_rings, 2461 .reset_adapter = qlafx00_soft_reset, 2462 .nvram_config = NULL, 2463 .update_fw_options = NULL, 2464 .load_risc = NULL, 2465 .pci_info_str = qlafx00_pci_info_str, 2466 .fw_version_str = qlafx00_fw_version_str, 2467 .intr_handler = qlafx00_intr_handler, 2468 .enable_intrs = qlafx00_enable_intrs, 2469 .disable_intrs = qlafx00_disable_intrs, 2470 .abort_command = qla24xx_async_abort_command, 2471 .target_reset = qlafx00_abort_target, 2472 .lun_reset = qlafx00_lun_reset, 2473 .fabric_login = NULL, 2474 .fabric_logout = NULL, 2475 .calc_req_entries = NULL, 2476 .build_iocbs = NULL, 2477 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2478 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2479 .read_nvram = qla24xx_read_nvram_data, 2480 .write_nvram = qla24xx_write_nvram_data, 2481 .fw_dump = NULL, 2482 .beacon_on = qla24xx_beacon_on, 2483 .beacon_off = qla24xx_beacon_off, 2484 .beacon_blink = NULL, 2485 .read_optrom = qla24xx_read_optrom_data, 2486 .write_optrom = qla24xx_write_optrom_data, 2487 .get_flash_version = qla24xx_get_flash_version, 2488 .start_scsi = qlafx00_start_scsi, 2489 .start_scsi_mq = NULL, 2490 .abort_isp = qlafx00_abort_isp, 2491 .iospace_config = qlafx00_iospace_config, 2492 .initialize_adapter = qlafx00_initialize_adapter, 2493}; 2494 2495static struct isp_operations qla27xx_isp_ops = { 2496 .pci_config = qla25xx_pci_config, 2497 .reset_chip = qla24xx_reset_chip, 2498 .chip_diag = qla24xx_chip_diag, 2499 .config_rings = qla24xx_config_rings, 2500 .reset_adapter = qla24xx_reset_adapter, 2501 .nvram_config = qla81xx_nvram_config, 2502 .update_fw_options = qla24xx_update_fw_options, 2503 .load_risc = qla81xx_load_risc, 2504 .pci_info_str = qla24xx_pci_info_str, 2505 .fw_version_str = qla24xx_fw_version_str, 2506 .intr_handler = qla24xx_intr_handler, 2507 .enable_intrs = qla24xx_enable_intrs, 2508 .disable_intrs = qla24xx_disable_intrs, 2509 .abort_command = qla24xx_abort_command, 2510 .target_reset = qla24xx_abort_target, 2511 .lun_reset = qla24xx_lun_reset, 2512 .fabric_login = qla24xx_login_fabric, 2513 .fabric_logout = qla24xx_fabric_logout, 2514 .calc_req_entries = NULL, 2515 .build_iocbs = NULL, 2516 .prep_ms_iocb = qla24xx_prep_ms_iocb, 2517 .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, 2518 .read_nvram = NULL, 2519 .write_nvram = NULL, 2520 .fw_dump = qla27xx_fwdump, 2521 .beacon_on = qla24xx_beacon_on, 2522 .beacon_off = qla24xx_beacon_off, 2523 .beacon_blink = qla83xx_beacon_blink, 2524 .read_optrom = qla25xx_read_optrom_data, 2525 .write_optrom = qla24xx_write_optrom_data, 2526 .get_flash_version = qla24xx_get_flash_version, 2527 .start_scsi = qla24xx_dif_start_scsi, 2528 .start_scsi_mq = qla2xxx_dif_start_scsi_mq, 2529 .abort_isp = qla2x00_abort_isp, 2530 .iospace_config = qla83xx_iospace_config, 2531 .initialize_adapter = qla2x00_initialize_adapter, 2532}; 2533 2534static inline void 2535qla2x00_set_isp_flags(struct qla_hw_data *ha) 2536{ 2537 ha->device_type = DT_EXTENDED_IDS; 2538 switch (ha->pdev->device) { 2539 case PCI_DEVICE_ID_QLOGIC_ISP2100: 2540 ha->isp_type |= DT_ISP2100; 2541 ha->device_type &= ~DT_EXTENDED_IDS; 2542 ha->fw_srisc_address = RISC_START_ADDRESS_2100; 2543 break; 2544 case PCI_DEVICE_ID_QLOGIC_ISP2200: 2545 ha->isp_type |= DT_ISP2200; 2546 ha->device_type &= ~DT_EXTENDED_IDS; 2547 ha->fw_srisc_address = RISC_START_ADDRESS_2100; 2548 break; 2549 case PCI_DEVICE_ID_QLOGIC_ISP2300: 2550 ha->isp_type |= DT_ISP2300; 2551 ha->device_type |= DT_ZIO_SUPPORTED; 2552 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 2553 break; 2554 case PCI_DEVICE_ID_QLOGIC_ISP2312: 2555 ha->isp_type |= DT_ISP2312; 2556 ha->device_type |= DT_ZIO_SUPPORTED; 2557 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 2558 break; 2559 case PCI_DEVICE_ID_QLOGIC_ISP2322: 2560 ha->isp_type |= DT_ISP2322; 2561 ha->device_type |= DT_ZIO_SUPPORTED; 2562 if (ha->pdev->subsystem_vendor == 0x1028 && 2563 ha->pdev->subsystem_device == 0x0170) 2564 ha->device_type |= DT_OEM_001; 2565 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 2566 break; 2567 case PCI_DEVICE_ID_QLOGIC_ISP6312: 2568 ha->isp_type |= DT_ISP6312; 2569 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 2570 break; 2571 case PCI_DEVICE_ID_QLOGIC_ISP6322: 2572 ha->isp_type |= DT_ISP6322; 2573 ha->fw_srisc_address = RISC_START_ADDRESS_2300; 2574 break; 2575 case PCI_DEVICE_ID_QLOGIC_ISP2422: 2576 ha->isp_type |= DT_ISP2422; 2577 ha->device_type |= DT_ZIO_SUPPORTED; 2578 ha->device_type |= DT_FWI2; 2579 ha->device_type |= DT_IIDMA; 2580 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2581 break; 2582 case PCI_DEVICE_ID_QLOGIC_ISP2432: 2583 ha->isp_type |= DT_ISP2432; 2584 ha->device_type |= DT_ZIO_SUPPORTED; 2585 ha->device_type |= DT_FWI2; 2586 ha->device_type |= DT_IIDMA; 2587 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2588 break; 2589 case PCI_DEVICE_ID_QLOGIC_ISP8432: 2590 ha->isp_type |= DT_ISP8432; 2591 ha->device_type |= DT_ZIO_SUPPORTED; 2592 ha->device_type |= DT_FWI2; 2593 ha->device_type |= DT_IIDMA; 2594 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2595 break; 2596 case PCI_DEVICE_ID_QLOGIC_ISP5422: 2597 ha->isp_type |= DT_ISP5422; 2598 ha->device_type |= DT_FWI2; 2599 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2600 break; 2601 case PCI_DEVICE_ID_QLOGIC_ISP5432: 2602 ha->isp_type |= DT_ISP5432; 2603 ha->device_type |= DT_FWI2; 2604 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2605 break; 2606 case PCI_DEVICE_ID_QLOGIC_ISP2532: 2607 ha->isp_type |= DT_ISP2532; 2608 ha->device_type |= DT_ZIO_SUPPORTED; 2609 ha->device_type |= DT_FWI2; 2610 ha->device_type |= DT_IIDMA; 2611 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2612 break; 2613 case PCI_DEVICE_ID_QLOGIC_ISP8001: 2614 ha->isp_type |= DT_ISP8001; 2615 ha->device_type |= DT_ZIO_SUPPORTED; 2616 ha->device_type |= DT_FWI2; 2617 ha->device_type |= DT_IIDMA; 2618 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2619 break; 2620 case PCI_DEVICE_ID_QLOGIC_ISP8021: 2621 ha->isp_type |= DT_ISP8021; 2622 ha->device_type |= DT_ZIO_SUPPORTED; 2623 ha->device_type |= DT_FWI2; 2624 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2625 /* Initialize 82XX ISP flags */ 2626 qla82xx_init_flags(ha); 2627 break; 2628 case PCI_DEVICE_ID_QLOGIC_ISP8044: 2629 ha->isp_type |= DT_ISP8044; 2630 ha->device_type |= DT_ZIO_SUPPORTED; 2631 ha->device_type |= DT_FWI2; 2632 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2633 /* Initialize 82XX ISP flags */ 2634 qla82xx_init_flags(ha); 2635 break; 2636 case PCI_DEVICE_ID_QLOGIC_ISP2031: 2637 ha->isp_type |= DT_ISP2031; 2638 ha->device_type |= DT_ZIO_SUPPORTED; 2639 ha->device_type |= DT_FWI2; 2640 ha->device_type |= DT_IIDMA; 2641 ha->device_type |= DT_T10_PI; 2642 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2643 break; 2644 case PCI_DEVICE_ID_QLOGIC_ISP8031: 2645 ha->isp_type |= DT_ISP8031; 2646 ha->device_type |= DT_ZIO_SUPPORTED; 2647 ha->device_type |= DT_FWI2; 2648 ha->device_type |= DT_IIDMA; 2649 ha->device_type |= DT_T10_PI; 2650 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2651 break; 2652 case PCI_DEVICE_ID_QLOGIC_ISPF001: 2653 ha->isp_type |= DT_ISPFX00; 2654 break; 2655 case PCI_DEVICE_ID_QLOGIC_ISP2071: 2656 ha->isp_type |= DT_ISP2071; 2657 ha->device_type |= DT_ZIO_SUPPORTED; 2658 ha->device_type |= DT_FWI2; 2659 ha->device_type |= DT_IIDMA; 2660 ha->device_type |= DT_T10_PI; 2661 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2662 break; 2663 case PCI_DEVICE_ID_QLOGIC_ISP2271: 2664 ha->isp_type |= DT_ISP2271; 2665 ha->device_type |= DT_ZIO_SUPPORTED; 2666 ha->device_type |= DT_FWI2; 2667 ha->device_type |= DT_IIDMA; 2668 ha->device_type |= DT_T10_PI; 2669 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2670 break; 2671 case PCI_DEVICE_ID_QLOGIC_ISP2261: 2672 ha->isp_type |= DT_ISP2261; 2673 ha->device_type |= DT_ZIO_SUPPORTED; 2674 ha->device_type |= DT_FWI2; 2675 ha->device_type |= DT_IIDMA; 2676 ha->device_type |= DT_T10_PI; 2677 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2678 break; 2679 case PCI_DEVICE_ID_QLOGIC_ISP2081: 2680 case PCI_DEVICE_ID_QLOGIC_ISP2089: 2681 ha->isp_type |= DT_ISP2081; 2682 ha->device_type |= DT_ZIO_SUPPORTED; 2683 ha->device_type |= DT_FWI2; 2684 ha->device_type |= DT_IIDMA; 2685 ha->device_type |= DT_T10_PI; 2686 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2687 break; 2688 case PCI_DEVICE_ID_QLOGIC_ISP2281: 2689 case PCI_DEVICE_ID_QLOGIC_ISP2289: 2690 ha->isp_type |= DT_ISP2281; 2691 ha->device_type |= DT_ZIO_SUPPORTED; 2692 ha->device_type |= DT_FWI2; 2693 ha->device_type |= DT_IIDMA; 2694 ha->device_type |= DT_T10_PI; 2695 ha->fw_srisc_address = RISC_START_ADDRESS_2400; 2696 break; 2697 } 2698 2699 if (IS_QLA82XX(ha)) 2700 ha->port_no = ha->portnum & 1; 2701 else { 2702 /* Get adapter physical port no from interrupt pin register. */ 2703 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no); 2704 if (IS_QLA25XX(ha) || IS_QLA2031(ha) || 2705 IS_QLA27XX(ha) || IS_QLA28XX(ha)) 2706 ha->port_no--; 2707 else 2708 ha->port_no = !(ha->port_no & 1); 2709 } 2710 2711 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b, 2712 "device_type=0x%x port=%d fw_srisc_address=0x%x.\n", 2713 ha->device_type, ha->port_no, ha->fw_srisc_address); 2714} 2715 2716static void 2717qla2xxx_scan_start(struct Scsi_Host *shost) 2718{ 2719 scsi_qla_host_t *vha = shost_priv(shost); 2720 2721 if (vha->hw->flags.running_gold_fw) 2722 return; 2723 2724 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 2725 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 2726 set_bit(RSCN_UPDATE, &vha->dpc_flags); 2727 set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); 2728} 2729 2730static int 2731qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) 2732{ 2733 scsi_qla_host_t *vha = shost_priv(shost); 2734 2735 if (test_bit(UNLOADING, &vha->dpc_flags)) 2736 return 1; 2737 if (!vha->host) 2738 return 1; 2739 if (time > vha->hw->loop_reset_delay * HZ) 2740 return 1; 2741 2742 return atomic_read(&vha->loop_state) == LOOP_READY; 2743} 2744 2745static void qla2x00_iocb_work_fn(struct work_struct *work) 2746{ 2747 struct scsi_qla_host *vha = container_of(work, 2748 struct scsi_qla_host, iocb_work); 2749 struct qla_hw_data *ha = vha->hw; 2750 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 2751 int i = 2; 2752 unsigned long flags; 2753 2754 if (test_bit(UNLOADING, &base_vha->dpc_flags)) 2755 return; 2756 2757 while (!list_empty(&vha->work_list) && i > 0) { 2758 qla2x00_do_work(vha); 2759 i--; 2760 } 2761 2762 spin_lock_irqsave(&vha->work_lock, flags); 2763 clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags); 2764 spin_unlock_irqrestore(&vha->work_lock, flags); 2765} 2766 2767/* 2768 * PCI driver interface 2769 */ 2770static int 2771qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 2772{ 2773 int ret = -ENODEV; 2774 struct Scsi_Host *host; 2775 scsi_qla_host_t *base_vha = NULL; 2776 struct qla_hw_data *ha; 2777 char pci_info[30]; 2778 char fw_str[30], wq_name[30]; 2779 struct scsi_host_template *sht; 2780 int bars, mem_only = 0; 2781 uint16_t req_length = 0, rsp_length = 0; 2782 struct req_que *req = NULL; 2783 struct rsp_que *rsp = NULL; 2784 int i; 2785 2786 bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); 2787 sht = &qla2xxx_driver_template; 2788 if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || 2789 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || 2790 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || 2791 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || 2792 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || 2793 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || 2794 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 || 2795 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 || 2796 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 || 2797 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 || 2798 pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 || 2799 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 || 2800 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 || 2801 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 || 2802 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 || 2803 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 || 2804 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 || 2805 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 || 2806 pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) { 2807 bars = pci_select_bars(pdev, IORESOURCE_MEM); 2808 mem_only = 1; 2809 ql_dbg_pci(ql_dbg_init, pdev, 0x0007, 2810 "Mem only adapter.\n"); 2811 } 2812 ql_dbg_pci(ql_dbg_init, pdev, 0x0008, 2813 "Bars=%d.\n", bars); 2814 2815 if (mem_only) { 2816 if (pci_enable_device_mem(pdev)) 2817 return ret; 2818 } else { 2819 if (pci_enable_device(pdev)) 2820 return ret; 2821 } 2822 2823 /* This may fail but that's ok */ 2824 pci_enable_pcie_error_reporting(pdev); 2825 2826 /* Turn off T10-DIF when FC-NVMe is enabled */ 2827 if (ql2xnvmeenable) 2828 ql2xenabledif = 0; 2829 2830 ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); 2831 if (!ha) { 2832 ql_log_pci(ql_log_fatal, pdev, 0x0009, 2833 "Unable to allocate memory for ha.\n"); 2834 goto disable_device; 2835 } 2836 ql_dbg_pci(ql_dbg_init, pdev, 0x000a, 2837 "Memory allocated for ha=%p.\n", ha); 2838 ha->pdev = pdev; 2839 INIT_LIST_HEAD(&ha->tgt.q_full_list); 2840 spin_lock_init(&ha->tgt.q_full_lock); 2841 spin_lock_init(&ha->tgt.sess_lock); 2842 spin_lock_init(&ha->tgt.atio_lock); 2843 2844 atomic_set(&ha->nvme_active_aen_cnt, 0); 2845 2846 /* Clear our data area */ 2847 ha->bars = bars; 2848 ha->mem_only = mem_only; 2849 spin_lock_init(&ha->hardware_lock); 2850 spin_lock_init(&ha->vport_slock); 2851 mutex_init(&ha->selflogin_lock); 2852 mutex_init(&ha->optrom_mutex); 2853 2854 /* Set ISP-type information. */ 2855 qla2x00_set_isp_flags(ha); 2856 2857 /* Set EEH reset type to fundamental if required by hba */ 2858 if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) || 2859 IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) 2860 pdev->needs_freset = 1; 2861 2862 ha->prev_topology = 0; 2863 ha->init_cb_size = sizeof(init_cb_t); 2864 ha->link_data_rate = PORT_SPEED_UNKNOWN; 2865 ha->optrom_size = OPTROM_SIZE_2300; 2866 ha->max_exchg = FW_MAX_EXCHANGES_CNT; 2867 atomic_set(&ha->num_pend_mbx_stage1, 0); 2868 atomic_set(&ha->num_pend_mbx_stage2, 0); 2869 atomic_set(&ha->num_pend_mbx_stage3, 0); 2870 atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD); 2871 ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD; 2872 2873 /* Assign ISP specific operations. */ 2874 if (IS_QLA2100(ha)) { 2875 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; 2876 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; 2877 req_length = REQUEST_ENTRY_CNT_2100; 2878 rsp_length = RESPONSE_ENTRY_CNT_2100; 2879 ha->max_loop_id = SNS_LAST_LOOP_ID_2100; 2880 ha->gid_list_info_size = 4; 2881 ha->flash_conf_off = ~0; 2882 ha->flash_data_off = ~0; 2883 ha->nvram_conf_off = ~0; 2884 ha->nvram_data_off = ~0; 2885 ha->isp_ops = &qla2100_isp_ops; 2886 } else if (IS_QLA2200(ha)) { 2887 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; 2888 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200; 2889 req_length = REQUEST_ENTRY_CNT_2200; 2890 rsp_length = RESPONSE_ENTRY_CNT_2100; 2891 ha->max_loop_id = SNS_LAST_LOOP_ID_2100; 2892 ha->gid_list_info_size = 4; 2893 ha->flash_conf_off = ~0; 2894 ha->flash_data_off = ~0; 2895 ha->nvram_conf_off = ~0; 2896 ha->nvram_data_off = ~0; 2897 ha->isp_ops = &qla2100_isp_ops; 2898 } else if (IS_QLA23XX(ha)) { 2899 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; 2900 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2901 req_length = REQUEST_ENTRY_CNT_2200; 2902 rsp_length = RESPONSE_ENTRY_CNT_2300; 2903 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2904 ha->gid_list_info_size = 6; 2905 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 2906 ha->optrom_size = OPTROM_SIZE_2322; 2907 ha->flash_conf_off = ~0; 2908 ha->flash_data_off = ~0; 2909 ha->nvram_conf_off = ~0; 2910 ha->nvram_data_off = ~0; 2911 ha->isp_ops = &qla2300_isp_ops; 2912 } else if (IS_QLA24XX_TYPE(ha)) { 2913 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2914 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2915 req_length = REQUEST_ENTRY_CNT_24XX; 2916 rsp_length = RESPONSE_ENTRY_CNT_2300; 2917 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 2918 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2919 ha->init_cb_size = sizeof(struct mid_init_cb_24xx); 2920 ha->gid_list_info_size = 8; 2921 ha->optrom_size = OPTROM_SIZE_24XX; 2922 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX; 2923 ha->isp_ops = &qla24xx_isp_ops; 2924 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 2925 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 2926 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 2927 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 2928 } else if (IS_QLA25XX(ha)) { 2929 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2930 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2931 req_length = REQUEST_ENTRY_CNT_24XX; 2932 rsp_length = RESPONSE_ENTRY_CNT_2300; 2933 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 2934 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2935 ha->init_cb_size = sizeof(struct mid_init_cb_24xx); 2936 ha->gid_list_info_size = 8; 2937 ha->optrom_size = OPTROM_SIZE_25XX; 2938 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 2939 ha->isp_ops = &qla25xx_isp_ops; 2940 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 2941 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 2942 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 2943 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 2944 } else if (IS_QLA81XX(ha)) { 2945 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2946 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2947 req_length = REQUEST_ENTRY_CNT_24XX; 2948 rsp_length = RESPONSE_ENTRY_CNT_2300; 2949 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 2950 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2951 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 2952 ha->gid_list_info_size = 8; 2953 ha->optrom_size = OPTROM_SIZE_81XX; 2954 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 2955 ha->isp_ops = &qla81xx_isp_ops; 2956 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; 2957 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; 2958 ha->nvram_conf_off = ~0; 2959 ha->nvram_data_off = ~0; 2960 } else if (IS_QLA82XX(ha)) { 2961 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2962 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2963 req_length = REQUEST_ENTRY_CNT_82XX; 2964 rsp_length = RESPONSE_ENTRY_CNT_82XX; 2965 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2966 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 2967 ha->gid_list_info_size = 8; 2968 ha->optrom_size = OPTROM_SIZE_82XX; 2969 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 2970 ha->isp_ops = &qla82xx_isp_ops; 2971 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 2972 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 2973 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 2974 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 2975 } else if (IS_QLA8044(ha)) { 2976 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2977 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2978 req_length = REQUEST_ENTRY_CNT_82XX; 2979 rsp_length = RESPONSE_ENTRY_CNT_82XX; 2980 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2981 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 2982 ha->gid_list_info_size = 8; 2983 ha->optrom_size = OPTROM_SIZE_83XX; 2984 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 2985 ha->isp_ops = &qla8044_isp_ops; 2986 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; 2987 ha->flash_data_off = FARX_ACCESS_FLASH_DATA; 2988 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; 2989 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; 2990 } else if (IS_QLA83XX(ha)) { 2991 ha->portnum = PCI_FUNC(ha->pdev->devfn); 2992 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 2993 ha->mbx_count = MAILBOX_REGISTER_COUNT; 2994 req_length = REQUEST_ENTRY_CNT_83XX; 2995 rsp_length = RESPONSE_ENTRY_CNT_83XX; 2996 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 2997 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 2998 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 2999 ha->gid_list_info_size = 8; 3000 ha->optrom_size = OPTROM_SIZE_83XX; 3001 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 3002 ha->isp_ops = &qla83xx_isp_ops; 3003 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; 3004 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; 3005 ha->nvram_conf_off = ~0; 3006 ha->nvram_data_off = ~0; 3007 } else if (IS_QLAFX00(ha)) { 3008 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00; 3009 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00; 3010 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00; 3011 req_length = REQUEST_ENTRY_CNT_FX00; 3012 rsp_length = RESPONSE_ENTRY_CNT_FX00; 3013 ha->isp_ops = &qlafx00_isp_ops; 3014 ha->port_down_retry_count = 30; /* default value */ 3015 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL; 3016 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 3017 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL; 3018 ha->mr.fw_hbt_en = 1; 3019 ha->mr.host_info_resend = false; 3020 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL; 3021 } else if (IS_QLA27XX(ha)) { 3022 ha->portnum = PCI_FUNC(ha->pdev->devfn); 3023 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 3024 ha->mbx_count = MAILBOX_REGISTER_COUNT; 3025 req_length = REQUEST_ENTRY_CNT_83XX; 3026 rsp_length = RESPONSE_ENTRY_CNT_83XX; 3027 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 3028 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 3029 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 3030 ha->gid_list_info_size = 8; 3031 ha->optrom_size = OPTROM_SIZE_83XX; 3032 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 3033 ha->isp_ops = &qla27xx_isp_ops; 3034 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; 3035 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; 3036 ha->nvram_conf_off = ~0; 3037 ha->nvram_data_off = ~0; 3038 } else if (IS_QLA28XX(ha)) { 3039 ha->portnum = PCI_FUNC(ha->pdev->devfn); 3040 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; 3041 ha->mbx_count = MAILBOX_REGISTER_COUNT; 3042 req_length = REQUEST_ENTRY_CNT_24XX; 3043 rsp_length = RESPONSE_ENTRY_CNT_2300; 3044 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; 3045 ha->max_loop_id = SNS_LAST_LOOP_ID_2300; 3046 ha->init_cb_size = sizeof(struct mid_init_cb_81xx); 3047 ha->gid_list_info_size = 8; 3048 ha->optrom_size = OPTROM_SIZE_28XX; 3049 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; 3050 ha->isp_ops = &qla27xx_isp_ops; 3051 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX; 3052 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX; 3053 ha->nvram_conf_off = ~0; 3054 ha->nvram_data_off = ~0; 3055 } 3056 3057 ql_dbg_pci(ql_dbg_init, pdev, 0x001e, 3058 "mbx_count=%d, req_length=%d, " 3059 "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, " 3060 "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, " 3061 "max_fibre_devices=%d.\n", 3062 ha->mbx_count, req_length, rsp_length, ha->max_loop_id, 3063 ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size, 3064 ha->nvram_npiv_size, ha->max_fibre_devices); 3065 ql_dbg_pci(ql_dbg_init, pdev, 0x001f, 3066 "isp_ops=%p, flash_conf_off=%d, " 3067 "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n", 3068 ha->isp_ops, ha->flash_conf_off, ha->flash_data_off, 3069 ha->nvram_conf_off, ha->nvram_data_off); 3070 3071 /* Configure PCI I/O space */ 3072 ret = ha->isp_ops->iospace_config(ha); 3073 if (ret) 3074 goto iospace_config_failed; 3075 3076 ql_log_pci(ql_log_info, pdev, 0x001d, 3077 "Found an ISP%04X irq %d iobase 0x%p.\n", 3078 pdev->device, pdev->irq, ha->iobase); 3079 mutex_init(&ha->vport_lock); 3080 mutex_init(&ha->mq_lock); 3081 init_completion(&ha->mbx_cmd_comp); 3082 complete(&ha->mbx_cmd_comp); 3083 init_completion(&ha->mbx_intr_comp); 3084 init_completion(&ha->dcbx_comp); 3085 init_completion(&ha->lb_portup_comp); 3086 3087 set_bit(0, (unsigned long *) ha->vp_idx_map); 3088 3089 qla2x00_config_dma_addressing(ha); 3090 ql_dbg_pci(ql_dbg_init, pdev, 0x0020, 3091 "64 Bit addressing is %s.\n", 3092 ha->flags.enable_64bit_addressing ? "enable" : 3093 "disable"); 3094 ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); 3095 if (ret) { 3096 ql_log_pci(ql_log_fatal, pdev, 0x0031, 3097 "Failed to allocate memory for adapter, aborting.\n"); 3098 3099 goto probe_hw_failed; 3100 } 3101 3102 req->max_q_depth = MAX_Q_DEPTH; 3103 if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) 3104 req->max_q_depth = ql2xmaxqdepth; 3105 3106 3107 base_vha = qla2x00_create_host(sht, ha); 3108 if (!base_vha) { 3109 ret = -ENOMEM; 3110 goto probe_hw_failed; 3111 } 3112 3113 pci_set_drvdata(pdev, base_vha); 3114 set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags); 3115 3116 host = base_vha->host; 3117 base_vha->req = req; 3118 if (IS_QLA2XXX_MIDTYPE(ha)) 3119 base_vha->mgmt_svr_loop_id = 3120 qla2x00_reserve_mgmt_server_loop_id(base_vha); 3121 else 3122 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + 3123 base_vha->vp_idx; 3124 3125 /* Setup fcport template structure. */ 3126 ha->mr.fcport.vha = base_vha; 3127 ha->mr.fcport.port_type = FCT_UNKNOWN; 3128 ha->mr.fcport.loop_id = FC_NO_LOOP_ID; 3129 qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED); 3130 ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED; 3131 ha->mr.fcport.scan_state = 1; 3132 3133 /* Set the SG table size based on ISP type */ 3134 if (!IS_FWI2_CAPABLE(ha)) { 3135 if (IS_QLA2100(ha)) 3136 host->sg_tablesize = 32; 3137 } else { 3138 if (!IS_QLA82XX(ha)) 3139 host->sg_tablesize = QLA_SG_ALL; 3140 } 3141 host->max_id = ha->max_fibre_devices; 3142 host->cmd_per_lun = 3; 3143 host->unique_id = host->host_no; 3144 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) 3145 host->max_cmd_len = 32; 3146 else 3147 host->max_cmd_len = MAX_CMDSZ; 3148 host->max_channel = MAX_BUSES - 1; 3149 /* Older HBAs support only 16-bit LUNs */ 3150 if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) && 3151 ql2xmaxlun > 0xffff) 3152 host->max_lun = 0xffff; 3153 else 3154 host->max_lun = ql2xmaxlun; 3155 host->transportt = qla2xxx_transport_template; 3156 sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); 3157 3158 ql_dbg(ql_dbg_init, base_vha, 0x0033, 3159 "max_id=%d this_id=%d " 3160 "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d " 3161 "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id, 3162 host->this_id, host->cmd_per_lun, host->unique_id, 3163 host->max_cmd_len, host->max_channel, host->max_lun, 3164 host->transportt, sht->vendor_id); 3165 3166 INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn); 3167 3168 /* Set up the irqs */ 3169 ret = qla2x00_request_irqs(ha, rsp); 3170 if (ret) 3171 goto probe_failed; 3172 3173 /* Alloc arrays of request and response ring ptrs */ 3174 ret = qla2x00_alloc_queues(ha, req, rsp); 3175 if (ret) { 3176 ql_log(ql_log_fatal, base_vha, 0x003d, 3177 "Failed to allocate memory for queue pointers..." 3178 "aborting.\n"); 3179 ret = -ENODEV; 3180 goto probe_failed; 3181 } 3182 3183 if (ha->mqenable) { 3184 /* number of hardware queues supported by blk/scsi-mq*/ 3185 host->nr_hw_queues = ha->max_qpairs; 3186 3187 ql_dbg(ql_dbg_init, base_vha, 0x0192, 3188 "blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues); 3189 } else { 3190 if (ql2xnvmeenable) { 3191 host->nr_hw_queues = ha->max_qpairs; 3192 ql_dbg(ql_dbg_init, base_vha, 0x0194, 3193 "FC-NVMe support is enabled, HW queues=%d\n", 3194 host->nr_hw_queues); 3195 } else { 3196 ql_dbg(ql_dbg_init, base_vha, 0x0193, 3197 "blk/scsi-mq disabled.\n"); 3198 } 3199 } 3200 3201 qlt_probe_one_stage1(base_vha, ha); 3202 3203 pci_save_state(pdev); 3204 3205 /* Assign back pointers */ 3206 rsp->req = req; 3207 req->rsp = rsp; 3208 3209 if (IS_QLAFX00(ha)) { 3210 ha->rsp_q_map[0] = rsp; 3211 ha->req_q_map[0] = req; 3212 set_bit(0, ha->req_qid_map); 3213 set_bit(0, ha->rsp_qid_map); 3214 } 3215 3216 /* FWI2-capable only. */ 3217 req->req_q_in = &ha->iobase->isp24.req_q_in; 3218 req->req_q_out = &ha->iobase->isp24.req_q_out; 3219 rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in; 3220 rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out; 3221 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3222 IS_QLA28XX(ha)) { 3223 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; 3224 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; 3225 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; 3226 rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out; 3227 } 3228 3229 if (IS_QLAFX00(ha)) { 3230 req->req_q_in = &ha->iobase->ispfx00.req_q_in; 3231 req->req_q_out = &ha->iobase->ispfx00.req_q_out; 3232 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in; 3233 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out; 3234 } 3235 3236 if (IS_P3P_TYPE(ha)) { 3237 req->req_q_out = &ha->iobase->isp82.req_q_out[0]; 3238 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0]; 3239 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0]; 3240 } 3241 3242 ql_dbg(ql_dbg_multiq, base_vha, 0xc009, 3243 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", 3244 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); 3245 ql_dbg(ql_dbg_multiq, base_vha, 0xc00a, 3246 "req->req_q_in=%p req->req_q_out=%p " 3247 "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", 3248 req->req_q_in, req->req_q_out, 3249 rsp->rsp_q_in, rsp->rsp_q_out); 3250 ql_dbg(ql_dbg_init, base_vha, 0x003e, 3251 "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n", 3252 ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp); 3253 ql_dbg(ql_dbg_init, base_vha, 0x003f, 3254 "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n", 3255 req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out); 3256 3257 ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0); 3258 if (unlikely(!ha->wq)) { 3259 ret = -ENOMEM; 3260 goto probe_failed; 3261 } 3262 3263 if (ha->isp_ops->initialize_adapter(base_vha)) { 3264 ql_log(ql_log_fatal, base_vha, 0x00d6, 3265 "Failed to initialize adapter - Adapter flags %x.\n", 3266 base_vha->device_flags); 3267 3268 if (IS_QLA82XX(ha)) { 3269 qla82xx_idc_lock(ha); 3270 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3271 QLA8XXX_DEV_FAILED); 3272 qla82xx_idc_unlock(ha); 3273 ql_log(ql_log_fatal, base_vha, 0x00d7, 3274 "HW State: FAILED.\n"); 3275 } else if (IS_QLA8044(ha)) { 3276 qla8044_idc_lock(ha); 3277 qla8044_wr_direct(base_vha, 3278 QLA8044_CRB_DEV_STATE_INDEX, 3279 QLA8XXX_DEV_FAILED); 3280 qla8044_idc_unlock(ha); 3281 ql_log(ql_log_fatal, base_vha, 0x0150, 3282 "HW State: FAILED.\n"); 3283 } 3284 3285 ret = -ENODEV; 3286 goto probe_failed; 3287 } 3288 3289 if (IS_QLAFX00(ha)) 3290 host->can_queue = QLAFX00_MAX_CANQUEUE; 3291 else 3292 host->can_queue = req->num_outstanding_cmds - 10; 3293 3294 ql_dbg(ql_dbg_init, base_vha, 0x0032, 3295 "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n", 3296 host->can_queue, base_vha->req, 3297 base_vha->mgmt_svr_loop_id, host->sg_tablesize); 3298 3299 if (ha->mqenable) { 3300 bool startit = false; 3301 3302 if (QLA_TGT_MODE_ENABLED()) 3303 startit = false; 3304 3305 if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) 3306 startit = true; 3307 3308 /* Create start of day qpairs for Block MQ */ 3309 for (i = 0; i < ha->max_qpairs; i++) 3310 qla2xxx_create_qpair(base_vha, 5, 0, startit); 3311 } 3312 3313 if (ha->flags.running_gold_fw) 3314 goto skip_dpc; 3315 3316 /* 3317 * Startup the kernel thread for this host adapter 3318 */ 3319 ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, 3320 "%s_dpc", base_vha->host_str); 3321 if (IS_ERR(ha->dpc_thread)) { 3322 ql_log(ql_log_fatal, base_vha, 0x00ed, 3323 "Failed to start DPC thread.\n"); 3324 ret = PTR_ERR(ha->dpc_thread); 3325 ha->dpc_thread = NULL; 3326 goto probe_failed; 3327 } 3328 ql_dbg(ql_dbg_init, base_vha, 0x00ee, 3329 "DPC thread started successfully.\n"); 3330 3331 /* 3332 * If we're not coming up in initiator mode, we might sit for 3333 * a while without waking up the dpc thread, which leads to a 3334 * stuck process warning. So just kick the dpc once here and 3335 * let the kthread start (and go back to sleep in qla2x00_do_dpc). 3336 */ 3337 qla2xxx_wake_dpc(base_vha); 3338 3339 INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error); 3340 3341 if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { 3342 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no); 3343 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name); 3344 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen); 3345 3346 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no); 3347 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name); 3348 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work); 3349 INIT_WORK(&ha->idc_state_handler, 3350 qla83xx_idc_state_handler_work); 3351 INIT_WORK(&ha->nic_core_unrecoverable, 3352 qla83xx_nic_core_unrecoverable_work); 3353 } 3354 3355skip_dpc: 3356 list_add_tail(&base_vha->list, &ha->vp_list); 3357 base_vha->host->irq = ha->pdev->irq; 3358 3359 /* Initialized the timer */ 3360 qla2x00_start_timer(base_vha, WATCH_INTERVAL); 3361 ql_dbg(ql_dbg_init, base_vha, 0x00ef, 3362 "Started qla2x00_timer with " 3363 "interval=%d.\n", WATCH_INTERVAL); 3364 ql_dbg(ql_dbg_init, base_vha, 0x00f0, 3365 "Detected hba at address=%p.\n", 3366 ha); 3367 3368 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { 3369 if (ha->fw_attributes & BIT_4) { 3370 int prot = 0, guard; 3371 3372 base_vha->flags.difdix_supported = 1; 3373 ql_dbg(ql_dbg_init, base_vha, 0x00f1, 3374 "Registering for DIF/DIX type 1 and 3 protection.\n"); 3375 if (ql2xenabledif == 1) 3376 prot = SHOST_DIX_TYPE0_PROTECTION; 3377 if (ql2xprotmask) 3378 scsi_host_set_prot(host, ql2xprotmask); 3379 else 3380 scsi_host_set_prot(host, 3381 prot | SHOST_DIF_TYPE1_PROTECTION 3382 | SHOST_DIF_TYPE2_PROTECTION 3383 | SHOST_DIF_TYPE3_PROTECTION 3384 | SHOST_DIX_TYPE1_PROTECTION 3385 | SHOST_DIX_TYPE2_PROTECTION 3386 | SHOST_DIX_TYPE3_PROTECTION); 3387 3388 guard = SHOST_DIX_GUARD_CRC; 3389 3390 if (IS_PI_IPGUARD_CAPABLE(ha) && 3391 (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha))) 3392 guard |= SHOST_DIX_GUARD_IP; 3393 3394 if (ql2xprotguard) 3395 scsi_host_set_guard(host, ql2xprotguard); 3396 else 3397 scsi_host_set_guard(host, guard); 3398 } else 3399 base_vha->flags.difdix_supported = 0; 3400 } 3401 3402 ha->isp_ops->enable_intrs(ha); 3403 3404 if (IS_QLAFX00(ha)) { 3405 ret = qlafx00_fx_disc(base_vha, 3406 &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO); 3407 host->sg_tablesize = (ha->mr.extended_io_enabled) ? 3408 QLA_SG_ALL : 128; 3409 } 3410 3411 ret = scsi_add_host(host, &pdev->dev); 3412 if (ret) 3413 goto probe_failed; 3414 3415 base_vha->flags.init_done = 1; 3416 base_vha->flags.online = 1; 3417 ha->prev_minidump_failed = 0; 3418 3419 ql_dbg(ql_dbg_init, base_vha, 0x00f2, 3420 "Init done and hba is online.\n"); 3421 3422 if (qla_ini_mode_enabled(base_vha) || 3423 qla_dual_mode_enabled(base_vha)) 3424 scsi_scan_host(host); 3425 else 3426 ql_dbg(ql_dbg_init, base_vha, 0x0122, 3427 "skipping scsi_scan_host() for non-initiator port\n"); 3428 3429 qla2x00_alloc_sysfs_attr(base_vha); 3430 3431 if (IS_QLAFX00(ha)) { 3432 ret = qlafx00_fx_disc(base_vha, 3433 &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO); 3434 3435 /* Register system information */ 3436 ret = qlafx00_fx_disc(base_vha, 3437 &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO); 3438 } 3439 3440 qla2x00_init_host_attr(base_vha); 3441 3442 qla2x00_dfs_setup(base_vha); 3443 3444 ql_log(ql_log_info, base_vha, 0x00fb, 3445 "QLogic %s - %s.\n", ha->model_number, ha->model_desc); 3446 ql_log(ql_log_info, base_vha, 0x00fc, 3447 "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n", 3448 pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info, 3449 sizeof(pci_info)), 3450 pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-', 3451 base_vha->host_no, 3452 ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str))); 3453 3454 qlt_add_target(ha, base_vha); 3455 3456 clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags); 3457 3458 if (test_bit(UNLOADING, &base_vha->dpc_flags)) 3459 return -ENODEV; 3460 3461 return 0; 3462 3463probe_failed: 3464 if (base_vha->gnl.l) { 3465 dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size, 3466 base_vha->gnl.l, base_vha->gnl.ldma); 3467 base_vha->gnl.l = NULL; 3468 } 3469 3470 if (base_vha->timer_active) 3471 qla2x00_stop_timer(base_vha); 3472 base_vha->flags.online = 0; 3473 if (ha->dpc_thread) { 3474 struct task_struct *t = ha->dpc_thread; 3475 3476 ha->dpc_thread = NULL; 3477 kthread_stop(t); 3478 } 3479 3480 qla2x00_free_device(base_vha); 3481 scsi_host_put(base_vha->host); 3482 /* 3483 * Need to NULL out local req/rsp after 3484 * qla2x00_free_device => qla2x00_free_queues frees 3485 * what these are pointing to. Or else we'll 3486 * fall over below in qla2x00_free_req/rsp_que. 3487 */ 3488 req = NULL; 3489 rsp = NULL; 3490 3491probe_hw_failed: 3492 qla2x00_mem_free(ha); 3493 qla2x00_free_req_que(ha, req); 3494 qla2x00_free_rsp_que(ha, rsp); 3495 qla2x00_clear_drv_active(ha); 3496 3497iospace_config_failed: 3498 if (IS_P3P_TYPE(ha)) { 3499 if (!ha->nx_pcibase) 3500 iounmap((device_reg_t *)ha->nx_pcibase); 3501 if (!ql2xdbwr) 3502 iounmap((device_reg_t *)ha->nxdb_wr_ptr); 3503 } else { 3504 if (ha->iobase) 3505 iounmap(ha->iobase); 3506 if (ha->cregbase) 3507 iounmap(ha->cregbase); 3508 } 3509 pci_release_selected_regions(ha->pdev, ha->bars); 3510 kfree(ha); 3511 3512disable_device: 3513 pci_disable_device(pdev); 3514 return ret; 3515} 3516 3517static void __qla_set_remove_flag(scsi_qla_host_t *base_vha) 3518{ 3519 scsi_qla_host_t *vp; 3520 unsigned long flags; 3521 struct qla_hw_data *ha; 3522 3523 if (!base_vha) 3524 return; 3525 3526 ha = base_vha->hw; 3527 3528 spin_lock_irqsave(&ha->vport_slock, flags); 3529 list_for_each_entry(vp, &ha->vp_list, list) 3530 set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags); 3531 3532 /* 3533 * Indicate device removal to prevent future board_disable 3534 * and wait until any pending board_disable has completed. 3535 */ 3536 set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags); 3537 spin_unlock_irqrestore(&ha->vport_slock, flags); 3538} 3539 3540static void 3541qla2x00_shutdown(struct pci_dev *pdev) 3542{ 3543 scsi_qla_host_t *vha; 3544 struct qla_hw_data *ha; 3545 3546 vha = pci_get_drvdata(pdev); 3547 ha = vha->hw; 3548 3549 ql_log(ql_log_info, vha, 0xfffa, 3550 "Adapter shutdown\n"); 3551 3552 /* 3553 * Prevent future board_disable and wait 3554 * until any pending board_disable has completed. 3555 */ 3556 __qla_set_remove_flag(vha); 3557 cancel_work_sync(&ha->board_disable); 3558 3559 if (!atomic_read(&pdev->enable_cnt)) 3560 return; 3561 3562 /* Notify ISPFX00 firmware */ 3563 if (IS_QLAFX00(ha)) 3564 qlafx00_driver_shutdown(vha, 20); 3565 3566 /* Turn-off FCE trace */ 3567 if (ha->flags.fce_enabled) { 3568 qla2x00_disable_fce_trace(vha, NULL, NULL); 3569 ha->flags.fce_enabled = 0; 3570 } 3571 3572 /* Turn-off EFT trace */ 3573 if (ha->eft) 3574 qla2x00_disable_eft_trace(vha); 3575 3576 if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) || 3577 IS_QLA28XX(ha)) { 3578 if (ha->flags.fw_started) 3579 qla2x00_abort_isp_cleanup(vha); 3580 } else { 3581 /* Stop currently executing firmware. */ 3582 qla2x00_try_to_stop_firmware(vha); 3583 } 3584 3585 /* Disable timer */ 3586 if (vha->timer_active) 3587 qla2x00_stop_timer(vha); 3588 3589 /* Turn adapter off line */ 3590 vha->flags.online = 0; 3591 3592 /* turn-off interrupts on the card */ 3593 if (ha->interrupts_on) { 3594 vha->flags.init_done = 0; 3595 ha->isp_ops->disable_intrs(ha); 3596 } 3597 3598 qla2x00_free_irqs(vha); 3599 3600 qla2x00_free_fw_dump(ha); 3601 3602 pci_disable_device(pdev); 3603 ql_log(ql_log_info, vha, 0xfffe, 3604 "Adapter shutdown successfully.\n"); 3605} 3606 3607/* Deletes all the virtual ports for a given ha */ 3608static void 3609qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha) 3610{ 3611 scsi_qla_host_t *vha; 3612 unsigned long flags; 3613 3614 mutex_lock(&ha->vport_lock); 3615 while (ha->cur_vport_count) { 3616 spin_lock_irqsave(&ha->vport_slock, flags); 3617 3618 BUG_ON(base_vha->list.next == &ha->vp_list); 3619 /* This assumes first entry in ha->vp_list is always base vha */ 3620 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list); 3621 scsi_host_get(vha->host); 3622 3623 spin_unlock_irqrestore(&ha->vport_slock, flags); 3624 mutex_unlock(&ha->vport_lock); 3625 3626 qla_nvme_delete(vha); 3627 3628 fc_vport_terminate(vha->fc_vport); 3629 scsi_host_put(vha->host); 3630 3631 mutex_lock(&ha->vport_lock); 3632 } 3633 mutex_unlock(&ha->vport_lock); 3634} 3635 3636/* Stops all deferred work threads */ 3637static void 3638qla2x00_destroy_deferred_work(struct qla_hw_data *ha) 3639{ 3640 /* Cancel all work and destroy DPC workqueues */ 3641 if (ha->dpc_lp_wq) { 3642 cancel_work_sync(&ha->idc_aen); 3643 destroy_workqueue(ha->dpc_lp_wq); 3644 ha->dpc_lp_wq = NULL; 3645 } 3646 3647 if (ha->dpc_hp_wq) { 3648 cancel_work_sync(&ha->nic_core_reset); 3649 cancel_work_sync(&ha->idc_state_handler); 3650 cancel_work_sync(&ha->nic_core_unrecoverable); 3651 destroy_workqueue(ha->dpc_hp_wq); 3652 ha->dpc_hp_wq = NULL; 3653 } 3654 3655 /* Kill the kernel thread for this host */ 3656 if (ha->dpc_thread) { 3657 struct task_struct *t = ha->dpc_thread; 3658 3659 /* 3660 * qla2xxx_wake_dpc checks for ->dpc_thread 3661 * so we need to zero it out. 3662 */ 3663 ha->dpc_thread = NULL; 3664 kthread_stop(t); 3665 } 3666} 3667 3668static void 3669qla2x00_unmap_iobases(struct qla_hw_data *ha) 3670{ 3671 if (IS_QLA82XX(ha)) { 3672 3673 iounmap((device_reg_t *)ha->nx_pcibase); 3674 if (!ql2xdbwr) 3675 iounmap((device_reg_t *)ha->nxdb_wr_ptr); 3676 } else { 3677 if (ha->iobase) 3678 iounmap(ha->iobase); 3679 3680 if (ha->cregbase) 3681 iounmap(ha->cregbase); 3682 3683 if (ha->mqiobase) 3684 iounmap(ha->mqiobase); 3685 3686 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 3687 ha->msixbase) 3688 iounmap(ha->msixbase); 3689 } 3690} 3691 3692static void 3693qla2x00_clear_drv_active(struct qla_hw_data *ha) 3694{ 3695 if (IS_QLA8044(ha)) { 3696 qla8044_idc_lock(ha); 3697 qla8044_clear_drv_active(ha); 3698 qla8044_idc_unlock(ha); 3699 } else if (IS_QLA82XX(ha)) { 3700 qla82xx_idc_lock(ha); 3701 qla82xx_clear_drv_active(ha); 3702 qla82xx_idc_unlock(ha); 3703 } 3704} 3705 3706static void 3707qla2x00_remove_one(struct pci_dev *pdev) 3708{ 3709 scsi_qla_host_t *base_vha; 3710 struct qla_hw_data *ha; 3711 3712 base_vha = pci_get_drvdata(pdev); 3713 ha = base_vha->hw; 3714 ql_log(ql_log_info, base_vha, 0xb079, 3715 "Removing driver\n"); 3716 __qla_set_remove_flag(base_vha); 3717 cancel_work_sync(&ha->board_disable); 3718 3719 /* 3720 * If the PCI device is disabled then there was a PCI-disconnect and 3721 * qla2x00_disable_board_on_pci_error has taken care of most of the 3722 * resources. 3723 */ 3724 if (!atomic_read(&pdev->enable_cnt)) { 3725 dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size, 3726 base_vha->gnl.l, base_vha->gnl.ldma); 3727 base_vha->gnl.l = NULL; 3728 scsi_host_put(base_vha->host); 3729 kfree(ha); 3730 pci_set_drvdata(pdev, NULL); 3731 return; 3732 } 3733 qla2x00_wait_for_hba_ready(base_vha); 3734 3735 /* 3736 * if UNLOADING flag is already set, then continue unload, 3737 * where it was set first. 3738 */ 3739 if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags)) 3740 return; 3741 3742 if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) || 3743 IS_QLA28XX(ha)) { 3744 if (ha->flags.fw_started) 3745 qla2x00_abort_isp_cleanup(base_vha); 3746 } else if (!IS_QLAFX00(ha)) { 3747 if (IS_QLA8031(ha)) { 3748 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e, 3749 "Clearing fcoe driver presence.\n"); 3750 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS) 3751 ql_dbg(ql_dbg_p3p, base_vha, 0xb079, 3752 "Error while clearing DRV-Presence.\n"); 3753 } 3754 3755 qla2x00_try_to_stop_firmware(base_vha); 3756 } 3757 3758 qla2x00_wait_for_sess_deletion(base_vha); 3759 3760 qla_nvme_delete(base_vha); 3761 3762 dma_free_coherent(&ha->pdev->dev, 3763 base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma); 3764 3765 base_vha->gnl.l = NULL; 3766 3767 vfree(base_vha->scan.l); 3768 3769 if (IS_QLAFX00(ha)) 3770 qlafx00_driver_shutdown(base_vha, 20); 3771 3772 qla2x00_delete_all_vps(ha, base_vha); 3773 3774 qla2x00_dfs_remove(base_vha); 3775 3776 qla84xx_put_chip(base_vha); 3777 3778 /* Disable timer */ 3779 if (base_vha->timer_active) 3780 qla2x00_stop_timer(base_vha); 3781 3782 base_vha->flags.online = 0; 3783 3784 /* free DMA memory */ 3785 if (ha->exlogin_buf) 3786 qla2x00_free_exlogin_buffer(ha); 3787 3788 /* free DMA memory */ 3789 if (ha->exchoffld_buf) 3790 qla2x00_free_exchoffld_buffer(ha); 3791 3792 qla2x00_destroy_deferred_work(ha); 3793 3794 qlt_remove_target(ha, base_vha); 3795 3796 qla2x00_free_sysfs_attr(base_vha, true); 3797 3798 fc_remove_host(base_vha->host); 3799 qlt_remove_target_resources(ha); 3800 3801 scsi_remove_host(base_vha->host); 3802 3803 qla2x00_free_device(base_vha); 3804 3805 qla2x00_clear_drv_active(ha); 3806 3807 scsi_host_put(base_vha->host); 3808 3809 qla2x00_unmap_iobases(ha); 3810 3811 pci_release_selected_regions(ha->pdev, ha->bars); 3812 kfree(ha); 3813 3814 pci_disable_pcie_error_reporting(pdev); 3815 3816 pci_disable_device(pdev); 3817} 3818 3819static inline void 3820qla24xx_free_purex_list(struct purex_list *list) 3821{ 3822 struct list_head *item, *next; 3823 ulong flags; 3824 3825 spin_lock_irqsave(&list->lock, flags); 3826 list_for_each_safe(item, next, &list->head) { 3827 list_del(item); 3828 kfree(list_entry(item, struct purex_item, list)); 3829 } 3830 spin_unlock_irqrestore(&list->lock, flags); 3831} 3832 3833static void 3834qla2x00_free_device(scsi_qla_host_t *vha) 3835{ 3836 struct qla_hw_data *ha = vha->hw; 3837 3838 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 3839 3840 /* Disable timer */ 3841 if (vha->timer_active) 3842 qla2x00_stop_timer(vha); 3843 3844 qla25xx_delete_queues(vha); 3845 vha->flags.online = 0; 3846 3847 /* turn-off interrupts on the card */ 3848 if (ha->interrupts_on) { 3849 vha->flags.init_done = 0; 3850 ha->isp_ops->disable_intrs(ha); 3851 } 3852 3853 qla2x00_free_fcports(vha); 3854 3855 qla2x00_free_irqs(vha); 3856 3857 /* Flush the work queue and remove it */ 3858 if (ha->wq) { 3859 flush_workqueue(ha->wq); 3860 destroy_workqueue(ha->wq); 3861 ha->wq = NULL; 3862 } 3863 3864 3865 qla24xx_free_purex_list(&vha->purex_list); 3866 3867 qla2x00_mem_free(ha); 3868 3869 qla82xx_md_free(vha); 3870 3871 qla2x00_free_queues(ha); 3872} 3873 3874void qla2x00_free_fcports(struct scsi_qla_host *vha) 3875{ 3876 fc_port_t *fcport, *tfcport; 3877 3878 list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) 3879 qla2x00_free_fcport(fcport); 3880} 3881 3882static inline void 3883qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport) 3884{ 3885 int now; 3886 3887 if (!fcport->rport) 3888 return; 3889 3890 if (fcport->rport) { 3891 ql_dbg(ql_dbg_disc, fcport->vha, 0x2109, 3892 "%s %8phN. rport %p roles %x\n", 3893 __func__, fcport->port_name, fcport->rport, 3894 fcport->rport->roles); 3895 fc_remote_port_delete(fcport->rport); 3896 } 3897 qlt_do_generation_tick(vha, &now); 3898} 3899 3900/* 3901 * qla2x00_mark_device_lost Updates fcport state when device goes offline. 3902 * 3903 * Input: ha = adapter block pointer. fcport = port structure pointer. 3904 * 3905 * Return: None. 3906 * 3907 * Context: 3908 */ 3909void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, 3910 int do_login) 3911{ 3912 if (IS_QLAFX00(vha->hw)) { 3913 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); 3914 qla2x00_schedule_rport_del(vha, fcport); 3915 return; 3916 } 3917 3918 if (atomic_read(&fcport->state) == FCS_ONLINE && 3919 vha->vp_idx == fcport->vha->vp_idx) { 3920 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); 3921 qla2x00_schedule_rport_del(vha, fcport); 3922 } 3923 /* 3924 * We may need to retry the login, so don't change the state of the 3925 * port but do the retries. 3926 */ 3927 if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) 3928 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); 3929 3930 if (!do_login) 3931 return; 3932 3933 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 3934} 3935 3936void 3937qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha) 3938{ 3939 fc_port_t *fcport; 3940 3941 ql_dbg(ql_dbg_disc, vha, 0x20f1, 3942 "Mark all dev lost\n"); 3943 3944 list_for_each_entry(fcport, &vha->vp_fcports, list) { 3945 fcport->scan_state = 0; 3946 qlt_schedule_sess_for_deletion(fcport); 3947 } 3948} 3949 3950static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha) 3951{ 3952 int i; 3953 3954 if (IS_FWI2_CAPABLE(ha)) 3955 return; 3956 3957 for (i = 0; i < SNS_FIRST_LOOP_ID; i++) 3958 set_bit(i, ha->loop_id_map); 3959 set_bit(MANAGEMENT_SERVER, ha->loop_id_map); 3960 set_bit(BROADCAST, ha->loop_id_map); 3961} 3962 3963/* 3964* qla2x00_mem_alloc 3965* Allocates adapter memory. 3966* 3967* Returns: 3968* 0 = success. 3969* !0 = failure. 3970*/ 3971static int 3972qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, 3973 struct req_que **req, struct rsp_que **rsp) 3974{ 3975 char name[16]; 3976 3977 ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, 3978 &ha->init_cb_dma, GFP_KERNEL); 3979 if (!ha->init_cb) 3980 goto fail; 3981 3982 if (qlt_mem_alloc(ha) < 0) 3983 goto fail_free_init_cb; 3984 3985 ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, 3986 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL); 3987 if (!ha->gid_list) 3988 goto fail_free_tgt_mem; 3989 3990 ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); 3991 if (!ha->srb_mempool) 3992 goto fail_free_gid_list; 3993 3994 if (IS_P3P_TYPE(ha)) { 3995 /* Allocate cache for CT6 Ctx. */ 3996 if (!ctx_cachep) { 3997 ctx_cachep = kmem_cache_create("qla2xxx_ctx", 3998 sizeof(struct ct6_dsd), 0, 3999 SLAB_HWCACHE_ALIGN, NULL); 4000 if (!ctx_cachep) 4001 goto fail_free_srb_mempool; 4002 } 4003 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ, 4004 ctx_cachep); 4005 if (!ha->ctx_mempool) 4006 goto fail_free_srb_mempool; 4007 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021, 4008 "ctx_cachep=%p ctx_mempool=%p.\n", 4009 ctx_cachep, ha->ctx_mempool); 4010 } 4011 4012 /* Get memory for cached NVRAM */ 4013 ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); 4014 if (!ha->nvram) 4015 goto fail_free_ctx_mempool; 4016 4017 snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, 4018 ha->pdev->device); 4019 ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, 4020 DMA_POOL_SIZE, 8, 0); 4021 if (!ha->s_dma_pool) 4022 goto fail_free_nvram; 4023 4024 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022, 4025 "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n", 4026 ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool); 4027 4028 if (IS_P3P_TYPE(ha) || ql2xenabledif) { 4029 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev, 4030 DSD_LIST_DMA_POOL_SIZE, 8, 0); 4031 if (!ha->dl_dma_pool) { 4032 ql_log_pci(ql_log_fatal, ha->pdev, 0x0023, 4033 "Failed to allocate memory for dl_dma_pool.\n"); 4034 goto fail_s_dma_pool; 4035 } 4036 4037 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev, 4038 FCP_CMND_DMA_POOL_SIZE, 8, 0); 4039 if (!ha->fcp_cmnd_dma_pool) { 4040 ql_log_pci(ql_log_fatal, ha->pdev, 0x0024, 4041 "Failed to allocate memory for fcp_cmnd_dma_pool.\n"); 4042 goto fail_dl_dma_pool; 4043 } 4044 4045 if (ql2xenabledif) { 4046 u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE; 4047 struct dsd_dma *dsd, *nxt; 4048 uint i; 4049 /* Creata a DMA pool of buffers for DIF bundling */ 4050 ha->dif_bundl_pool = dma_pool_create(name, 4051 &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0); 4052 if (!ha->dif_bundl_pool) { 4053 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024, 4054 "%s: failed create dif_bundl_pool\n", 4055 __func__); 4056 goto fail_dif_bundl_dma_pool; 4057 } 4058 4059 INIT_LIST_HEAD(&ha->pool.good.head); 4060 INIT_LIST_HEAD(&ha->pool.unusable.head); 4061 ha->pool.good.count = 0; 4062 ha->pool.unusable.count = 0; 4063 for (i = 0; i < 128; i++) { 4064 dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC); 4065 if (!dsd) { 4066 ql_dbg_pci(ql_dbg_init, ha->pdev, 4067 0xe0ee, "%s: failed alloc dsd\n", 4068 __func__); 4069 return 1; 4070 } 4071 ha->dif_bundle_kallocs++; 4072 4073 dsd->dsd_addr = dma_pool_alloc( 4074 ha->dif_bundl_pool, GFP_ATOMIC, 4075 &dsd->dsd_list_dma); 4076 if (!dsd->dsd_addr) { 4077 ql_dbg_pci(ql_dbg_init, ha->pdev, 4078 0xe0ee, 4079 "%s: failed alloc ->dsd_addr\n", 4080 __func__); 4081 kfree(dsd); 4082 ha->dif_bundle_kallocs--; 4083 continue; 4084 } 4085 ha->dif_bundle_dma_allocs++; 4086 4087 /* 4088 * if DMA buffer crosses 4G boundary, 4089 * put it on bad list 4090 */ 4091 if (MSD(dsd->dsd_list_dma) ^ 4092 MSD(dsd->dsd_list_dma + bufsize)) { 4093 list_add_tail(&dsd->list, 4094 &ha->pool.unusable.head); 4095 ha->pool.unusable.count++; 4096 } else { 4097 list_add_tail(&dsd->list, 4098 &ha->pool.good.head); 4099 ha->pool.good.count++; 4100 } 4101 } 4102 4103 /* return the good ones back to the pool */ 4104 list_for_each_entry_safe(dsd, nxt, 4105 &ha->pool.good.head, list) { 4106 list_del(&dsd->list); 4107 dma_pool_free(ha->dif_bundl_pool, 4108 dsd->dsd_addr, dsd->dsd_list_dma); 4109 ha->dif_bundle_dma_allocs--; 4110 kfree(dsd); 4111 ha->dif_bundle_kallocs--; 4112 } 4113 4114 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024, 4115 "%s: dif dma pool (good=%u unusable=%u)\n", 4116 __func__, ha->pool.good.count, 4117 ha->pool.unusable.count); 4118 } 4119 4120 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025, 4121 "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n", 4122 ha->dl_dma_pool, ha->fcp_cmnd_dma_pool, 4123 ha->dif_bundl_pool); 4124 } 4125 4126 /* Allocate memory for SNS commands */ 4127 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 4128 /* Get consistent memory allocated for SNS commands */ 4129 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, 4130 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); 4131 if (!ha->sns_cmd) 4132 goto fail_dma_pool; 4133 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026, 4134 "sns_cmd: %p.\n", ha->sns_cmd); 4135 } else { 4136 /* Get consistent memory allocated for MS IOCB */ 4137 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, 4138 &ha->ms_iocb_dma); 4139 if (!ha->ms_iocb) 4140 goto fail_dma_pool; 4141 /* Get consistent memory allocated for CT SNS commands */ 4142 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, 4143 sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); 4144 if (!ha->ct_sns) 4145 goto fail_free_ms_iocb; 4146 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027, 4147 "ms_iocb=%p ct_sns=%p.\n", 4148 ha->ms_iocb, ha->ct_sns); 4149 } 4150 4151 /* Allocate memory for request ring */ 4152 *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); 4153 if (!*req) { 4154 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028, 4155 "Failed to allocate memory for req.\n"); 4156 goto fail_req; 4157 } 4158 (*req)->length = req_len; 4159 (*req)->ring = dma_alloc_coherent(&ha->pdev->dev, 4160 ((*req)->length + 1) * sizeof(request_t), 4161 &(*req)->dma, GFP_KERNEL); 4162 if (!(*req)->ring) { 4163 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029, 4164 "Failed to allocate memory for req_ring.\n"); 4165 goto fail_req_ring; 4166 } 4167 /* Allocate memory for response ring */ 4168 *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); 4169 if (!*rsp) { 4170 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a, 4171 "Failed to allocate memory for rsp.\n"); 4172 goto fail_rsp; 4173 } 4174 (*rsp)->hw = ha; 4175 (*rsp)->length = rsp_len; 4176 (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev, 4177 ((*rsp)->length + 1) * sizeof(response_t), 4178 &(*rsp)->dma, GFP_KERNEL); 4179 if (!(*rsp)->ring) { 4180 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b, 4181 "Failed to allocate memory for rsp_ring.\n"); 4182 goto fail_rsp_ring; 4183 } 4184 (*req)->rsp = *rsp; 4185 (*rsp)->req = *req; 4186 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c, 4187 "req=%p req->length=%d req->ring=%p rsp=%p " 4188 "rsp->length=%d rsp->ring=%p.\n", 4189 *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length, 4190 (*rsp)->ring); 4191 /* Allocate memory for NVRAM data for vports */ 4192 if (ha->nvram_npiv_size) { 4193 ha->npiv_info = kcalloc(ha->nvram_npiv_size, 4194 sizeof(struct qla_npiv_entry), 4195 GFP_KERNEL); 4196 if (!ha->npiv_info) { 4197 ql_log_pci(ql_log_fatal, ha->pdev, 0x002d, 4198 "Failed to allocate memory for npiv_info.\n"); 4199 goto fail_npiv_info; 4200 } 4201 } else 4202 ha->npiv_info = NULL; 4203 4204 /* Get consistent memory allocated for EX-INIT-CB. */ 4205 if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) || 4206 IS_QLA28XX(ha)) { 4207 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, 4208 &ha->ex_init_cb_dma); 4209 if (!ha->ex_init_cb) 4210 goto fail_ex_init_cb; 4211 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e, 4212 "ex_init_cb=%p.\n", ha->ex_init_cb); 4213 } 4214 4215 INIT_LIST_HEAD(&ha->gbl_dsd_list); 4216 4217 /* Get consistent memory allocated for Async Port-Database. */ 4218 if (!IS_FWI2_CAPABLE(ha)) { 4219 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, 4220 &ha->async_pd_dma); 4221 if (!ha->async_pd) 4222 goto fail_async_pd; 4223 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f, 4224 "async_pd=%p.\n", ha->async_pd); 4225 } 4226 4227 INIT_LIST_HEAD(&ha->vp_list); 4228 4229 /* Allocate memory for our loop_id bitmap */ 4230 ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE), 4231 sizeof(long), 4232 GFP_KERNEL); 4233 if (!ha->loop_id_map) 4234 goto fail_loop_id_map; 4235 else { 4236 qla2x00_set_reserved_loop_ids(ha); 4237 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123, 4238 "loop_id_map=%p.\n", ha->loop_id_map); 4239 } 4240 4241 ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev, 4242 SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL); 4243 if (!ha->sfp_data) { 4244 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, 4245 "Unable to allocate memory for SFP read-data.\n"); 4246 goto fail_sfp_data; 4247 } 4248 4249 ha->flt = dma_alloc_coherent(&ha->pdev->dev, 4250 sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma, 4251 GFP_KERNEL); 4252 if (!ha->flt) { 4253 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, 4254 "Unable to allocate memory for FLT.\n"); 4255 goto fail_flt_buffer; 4256 } 4257 4258 return 0; 4259 4260fail_flt_buffer: 4261 dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, 4262 ha->sfp_data, ha->sfp_data_dma); 4263fail_sfp_data: 4264 kfree(ha->loop_id_map); 4265fail_loop_id_map: 4266 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); 4267fail_async_pd: 4268 dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); 4269fail_ex_init_cb: 4270 kfree(ha->npiv_info); 4271fail_npiv_info: 4272 dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * 4273 sizeof(response_t), (*rsp)->ring, (*rsp)->dma); 4274 (*rsp)->ring = NULL; 4275 (*rsp)->dma = 0; 4276fail_rsp_ring: 4277 kfree(*rsp); 4278 *rsp = NULL; 4279fail_rsp: 4280 dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * 4281 sizeof(request_t), (*req)->ring, (*req)->dma); 4282 (*req)->ring = NULL; 4283 (*req)->dma = 0; 4284fail_req_ring: 4285 kfree(*req); 4286 *req = NULL; 4287fail_req: 4288 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), 4289 ha->ct_sns, ha->ct_sns_dma); 4290 ha->ct_sns = NULL; 4291 ha->ct_sns_dma = 0; 4292fail_free_ms_iocb: 4293 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); 4294 ha->ms_iocb = NULL; 4295 ha->ms_iocb_dma = 0; 4296 4297 if (ha->sns_cmd) 4298 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), 4299 ha->sns_cmd, ha->sns_cmd_dma); 4300fail_dma_pool: 4301 if (ql2xenabledif) { 4302 struct dsd_dma *dsd, *nxt; 4303 4304 list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head, 4305 list) { 4306 list_del(&dsd->list); 4307 dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr, 4308 dsd->dsd_list_dma); 4309 ha->dif_bundle_dma_allocs--; 4310 kfree(dsd); 4311 ha->dif_bundle_kallocs--; 4312 ha->pool.unusable.count--; 4313 } 4314 dma_pool_destroy(ha->dif_bundl_pool); 4315 ha->dif_bundl_pool = NULL; 4316 } 4317 4318fail_dif_bundl_dma_pool: 4319 if (IS_QLA82XX(ha) || ql2xenabledif) { 4320 dma_pool_destroy(ha->fcp_cmnd_dma_pool); 4321 ha->fcp_cmnd_dma_pool = NULL; 4322 } 4323fail_dl_dma_pool: 4324 if (IS_QLA82XX(ha) || ql2xenabledif) { 4325 dma_pool_destroy(ha->dl_dma_pool); 4326 ha->dl_dma_pool = NULL; 4327 } 4328fail_s_dma_pool: 4329 dma_pool_destroy(ha->s_dma_pool); 4330 ha->s_dma_pool = NULL; 4331fail_free_nvram: 4332 kfree(ha->nvram); 4333 ha->nvram = NULL; 4334fail_free_ctx_mempool: 4335 mempool_destroy(ha->ctx_mempool); 4336 ha->ctx_mempool = NULL; 4337fail_free_srb_mempool: 4338 mempool_destroy(ha->srb_mempool); 4339 ha->srb_mempool = NULL; 4340fail_free_gid_list: 4341 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), 4342 ha->gid_list, 4343 ha->gid_list_dma); 4344 ha->gid_list = NULL; 4345 ha->gid_list_dma = 0; 4346fail_free_tgt_mem: 4347 qlt_mem_free(ha); 4348fail_free_init_cb: 4349 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, 4350 ha->init_cb_dma); 4351 ha->init_cb = NULL; 4352 ha->init_cb_dma = 0; 4353fail: 4354 ql_log(ql_log_fatal, NULL, 0x0030, 4355 "Memory allocation failure.\n"); 4356 return -ENOMEM; 4357} 4358 4359int 4360qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha) 4361{ 4362 int rval; 4363 uint16_t size, max_cnt, temp; 4364 struct qla_hw_data *ha = vha->hw; 4365 4366 /* Return if we don't need to alloacate any extended logins */ 4367 if (!ql2xexlogins) 4368 return QLA_SUCCESS; 4369 4370 if (!IS_EXLOGIN_OFFLD_CAPABLE(ha)) 4371 return QLA_SUCCESS; 4372 4373 ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins); 4374 max_cnt = 0; 4375 rval = qla_get_exlogin_status(vha, &size, &max_cnt); 4376 if (rval != QLA_SUCCESS) { 4377 ql_log_pci(ql_log_fatal, ha->pdev, 0xd029, 4378 "Failed to get exlogin status.\n"); 4379 return rval; 4380 } 4381 4382 temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins; 4383 temp *= size; 4384 4385 if (temp != ha->exlogin_size) { 4386 qla2x00_free_exlogin_buffer(ha); 4387 ha->exlogin_size = temp; 4388 4389 ql_log(ql_log_info, vha, 0xd024, 4390 "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n", 4391 max_cnt, size, temp); 4392 4393 ql_log(ql_log_info, vha, 0xd025, 4394 "EXLOGIN: requested size=0x%x\n", ha->exlogin_size); 4395 4396 /* Get consistent memory for extended logins */ 4397 ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev, 4398 ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL); 4399 if (!ha->exlogin_buf) { 4400 ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a, 4401 "Failed to allocate memory for exlogin_buf_dma.\n"); 4402 return -ENOMEM; 4403 } 4404 } 4405 4406 /* Now configure the dma buffer */ 4407 rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma); 4408 if (rval) { 4409 ql_log(ql_log_fatal, vha, 0xd033, 4410 "Setup extended login buffer ****FAILED****.\n"); 4411 qla2x00_free_exlogin_buffer(ha); 4412 } 4413 4414 return rval; 4415} 4416 4417/* 4418* qla2x00_free_exlogin_buffer 4419* 4420* Input: 4421* ha = adapter block pointer 4422*/ 4423void 4424qla2x00_free_exlogin_buffer(struct qla_hw_data *ha) 4425{ 4426 if (ha->exlogin_buf) { 4427 dma_free_coherent(&ha->pdev->dev, ha->exlogin_size, 4428 ha->exlogin_buf, ha->exlogin_buf_dma); 4429 ha->exlogin_buf = NULL; 4430 ha->exlogin_size = 0; 4431 } 4432} 4433 4434static void 4435qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt) 4436{ 4437 u32 temp; 4438 struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb; 4439 *ret_cnt = FW_DEF_EXCHANGES_CNT; 4440 4441 if (max_cnt > vha->hw->max_exchg) 4442 max_cnt = vha->hw->max_exchg; 4443 4444 if (qla_ini_mode_enabled(vha)) { 4445 if (vha->ql2xiniexchg > max_cnt) 4446 vha->ql2xiniexchg = max_cnt; 4447 4448 if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT) 4449 *ret_cnt = vha->ql2xiniexchg; 4450 4451 } else if (qla_tgt_mode_enabled(vha)) { 4452 if (vha->ql2xexchoffld > max_cnt) { 4453 vha->ql2xexchoffld = max_cnt; 4454 icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld); 4455 } 4456 4457 if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT) 4458 *ret_cnt = vha->ql2xexchoffld; 4459 } else if (qla_dual_mode_enabled(vha)) { 4460 temp = vha->ql2xiniexchg + vha->ql2xexchoffld; 4461 if (temp > max_cnt) { 4462 vha->ql2xiniexchg -= (temp - max_cnt)/2; 4463 vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1); 4464 temp = max_cnt; 4465 icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld); 4466 } 4467 4468 if (temp > FW_DEF_EXCHANGES_CNT) 4469 *ret_cnt = temp; 4470 } 4471} 4472 4473int 4474qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha) 4475{ 4476 int rval; 4477 u16 size, max_cnt; 4478 u32 actual_cnt, totsz; 4479 struct qla_hw_data *ha = vha->hw; 4480 4481 if (!ha->flags.exchoffld_enabled) 4482 return QLA_SUCCESS; 4483 4484 if (!IS_EXCHG_OFFLD_CAPABLE(ha)) 4485 return QLA_SUCCESS; 4486 4487 max_cnt = 0; 4488 rval = qla_get_exchoffld_status(vha, &size, &max_cnt); 4489 if (rval != QLA_SUCCESS) { 4490 ql_log_pci(ql_log_fatal, ha->pdev, 0xd012, 4491 "Failed to get exlogin status.\n"); 4492 return rval; 4493 } 4494 4495 qla2x00_number_of_exch(vha, &actual_cnt, max_cnt); 4496 ql_log(ql_log_info, vha, 0xd014, 4497 "Actual exchange offload count: %d.\n", actual_cnt); 4498 4499 totsz = actual_cnt * size; 4500 4501 if (totsz != ha->exchoffld_size) { 4502 qla2x00_free_exchoffld_buffer(ha); 4503 if (actual_cnt <= FW_DEF_EXCHANGES_CNT) { 4504 ha->exchoffld_size = 0; 4505 ha->flags.exchoffld_enabled = 0; 4506 return QLA_SUCCESS; 4507 } 4508 4509 ha->exchoffld_size = totsz; 4510 4511 ql_log(ql_log_info, vha, 0xd016, 4512 "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n", 4513 max_cnt, actual_cnt, size, totsz); 4514 4515 ql_log(ql_log_info, vha, 0xd017, 4516 "Exchange Buffers requested size = 0x%x\n", 4517 ha->exchoffld_size); 4518 4519 /* Get consistent memory for extended logins */ 4520 ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev, 4521 ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL); 4522 if (!ha->exchoffld_buf) { 4523 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013, 4524 "Failed to allocate memory for Exchange Offload.\n"); 4525 4526 if (ha->max_exchg > 4527 (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) { 4528 ha->max_exchg -= REDUCE_EXCHANGES_CNT; 4529 } else if (ha->max_exchg > 4530 (FW_DEF_EXCHANGES_CNT + 512)) { 4531 ha->max_exchg -= 512; 4532 } else { 4533 ha->flags.exchoffld_enabled = 0; 4534 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013, 4535 "Disabling Exchange offload due to lack of memory\n"); 4536 } 4537 ha->exchoffld_size = 0; 4538 4539 return -ENOMEM; 4540 } 4541 } else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) { 4542 /* pathological case */ 4543 qla2x00_free_exchoffld_buffer(ha); 4544 ha->exchoffld_size = 0; 4545 ha->flags.exchoffld_enabled = 0; 4546 ql_log(ql_log_info, vha, 0xd016, 4547 "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n", 4548 ha->exchoffld_size, actual_cnt, size, totsz); 4549 return 0; 4550 } 4551 4552 /* Now configure the dma buffer */ 4553 rval = qla_set_exchoffld_mem_cfg(vha); 4554 if (rval) { 4555 ql_log(ql_log_fatal, vha, 0xd02e, 4556 "Setup exchange offload buffer ****FAILED****.\n"); 4557 qla2x00_free_exchoffld_buffer(ha); 4558 } else { 4559 /* re-adjust number of target exchange */ 4560 struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb; 4561 4562 if (qla_ini_mode_enabled(vha)) 4563 icb->exchange_count = 0; 4564 else 4565 icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld); 4566 } 4567 4568 return rval; 4569} 4570 4571/* 4572* qla2x00_free_exchoffld_buffer 4573* 4574* Input: 4575* ha = adapter block pointer 4576*/ 4577void 4578qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha) 4579{ 4580 if (ha->exchoffld_buf) { 4581 dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size, 4582 ha->exchoffld_buf, ha->exchoffld_buf_dma); 4583 ha->exchoffld_buf = NULL; 4584 ha->exchoffld_size = 0; 4585 } 4586} 4587 4588/* 4589* qla2x00_free_fw_dump 4590* Frees fw dump stuff. 4591* 4592* Input: 4593* ha = adapter block pointer 4594*/ 4595static void 4596qla2x00_free_fw_dump(struct qla_hw_data *ha) 4597{ 4598 struct fwdt *fwdt = ha->fwdt; 4599 uint j; 4600 4601 if (ha->fce) 4602 dma_free_coherent(&ha->pdev->dev, 4603 FCE_SIZE, ha->fce, ha->fce_dma); 4604 4605 if (ha->eft) 4606 dma_free_coherent(&ha->pdev->dev, 4607 EFT_SIZE, ha->eft, ha->eft_dma); 4608 4609 if (ha->fw_dump) 4610 vfree(ha->fw_dump); 4611 4612 ha->fce = NULL; 4613 ha->fce_dma = 0; 4614 ha->flags.fce_enabled = 0; 4615 ha->eft = NULL; 4616 ha->eft_dma = 0; 4617 ha->fw_dumped = 0; 4618 ha->fw_dump_cap_flags = 0; 4619 ha->fw_dump_reading = 0; 4620 ha->fw_dump = NULL; 4621 ha->fw_dump_len = 0; 4622 4623 for (j = 0; j < 2; j++, fwdt++) { 4624 if (fwdt->template) 4625 vfree(fwdt->template); 4626 fwdt->template = NULL; 4627 fwdt->length = 0; 4628 } 4629} 4630 4631/* 4632* qla2x00_mem_free 4633* Frees all adapter allocated memory. 4634* 4635* Input: 4636* ha = adapter block pointer. 4637*/ 4638static void 4639qla2x00_mem_free(struct qla_hw_data *ha) 4640{ 4641 qla2x00_free_fw_dump(ha); 4642 4643 if (ha->mctp_dump) 4644 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump, 4645 ha->mctp_dump_dma); 4646 ha->mctp_dump = NULL; 4647 4648 mempool_destroy(ha->srb_mempool); 4649 ha->srb_mempool = NULL; 4650 4651 if (ha->dcbx_tlv) 4652 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, 4653 ha->dcbx_tlv, ha->dcbx_tlv_dma); 4654 ha->dcbx_tlv = NULL; 4655 4656 if (ha->xgmac_data) 4657 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, 4658 ha->xgmac_data, ha->xgmac_data_dma); 4659 ha->xgmac_data = NULL; 4660 4661 if (ha->sns_cmd) 4662 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), 4663 ha->sns_cmd, ha->sns_cmd_dma); 4664 ha->sns_cmd = NULL; 4665 ha->sns_cmd_dma = 0; 4666 4667 if (ha->ct_sns) 4668 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), 4669 ha->ct_sns, ha->ct_sns_dma); 4670 ha->ct_sns = NULL; 4671 ha->ct_sns_dma = 0; 4672 4673 if (ha->sfp_data) 4674 dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data, 4675 ha->sfp_data_dma); 4676 ha->sfp_data = NULL; 4677 4678 if (ha->flt) 4679 dma_free_coherent(&ha->pdev->dev, 4680 sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, 4681 ha->flt, ha->flt_dma); 4682 ha->flt = NULL; 4683 ha->flt_dma = 0; 4684 4685 if (ha->ms_iocb) 4686 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); 4687 ha->ms_iocb = NULL; 4688 ha->ms_iocb_dma = 0; 4689 4690 if (ha->ex_init_cb) 4691 dma_pool_free(ha->s_dma_pool, 4692 ha->ex_init_cb, ha->ex_init_cb_dma); 4693 ha->ex_init_cb = NULL; 4694 ha->ex_init_cb_dma = 0; 4695 4696 if (ha->async_pd) 4697 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); 4698 ha->async_pd = NULL; 4699 ha->async_pd_dma = 0; 4700 4701 dma_pool_destroy(ha->s_dma_pool); 4702 ha->s_dma_pool = NULL; 4703 4704 if (ha->gid_list) 4705 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), 4706 ha->gid_list, ha->gid_list_dma); 4707 ha->gid_list = NULL; 4708 ha->gid_list_dma = 0; 4709 4710 if (IS_QLA82XX(ha)) { 4711 if (!list_empty(&ha->gbl_dsd_list)) { 4712 struct dsd_dma *dsd_ptr, *tdsd_ptr; 4713 4714 /* clean up allocated prev pool */ 4715 list_for_each_entry_safe(dsd_ptr, 4716 tdsd_ptr, &ha->gbl_dsd_list, list) { 4717 dma_pool_free(ha->dl_dma_pool, 4718 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); 4719 list_del(&dsd_ptr->list); 4720 kfree(dsd_ptr); 4721 } 4722 } 4723 } 4724 4725 dma_pool_destroy(ha->dl_dma_pool); 4726 ha->dl_dma_pool = NULL; 4727 4728 dma_pool_destroy(ha->fcp_cmnd_dma_pool); 4729 ha->fcp_cmnd_dma_pool = NULL; 4730 4731 mempool_destroy(ha->ctx_mempool); 4732 ha->ctx_mempool = NULL; 4733 4734 if (ql2xenabledif && ha->dif_bundl_pool) { 4735 struct dsd_dma *dsd, *nxt; 4736 4737 list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head, 4738 list) { 4739 list_del(&dsd->list); 4740 dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr, 4741 dsd->dsd_list_dma); 4742 ha->dif_bundle_dma_allocs--; 4743 kfree(dsd); 4744 ha->dif_bundle_kallocs--; 4745 ha->pool.unusable.count--; 4746 } 4747 list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) { 4748 list_del(&dsd->list); 4749 dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr, 4750 dsd->dsd_list_dma); 4751 ha->dif_bundle_dma_allocs--; 4752 kfree(dsd); 4753 ha->dif_bundle_kallocs--; 4754 } 4755 } 4756 4757 dma_pool_destroy(ha->dif_bundl_pool); 4758 ha->dif_bundl_pool = NULL; 4759 4760 qlt_mem_free(ha); 4761 4762 if (ha->init_cb) 4763 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, 4764 ha->init_cb, ha->init_cb_dma); 4765 ha->init_cb = NULL; 4766 ha->init_cb_dma = 0; 4767 4768 vfree(ha->optrom_buffer); 4769 ha->optrom_buffer = NULL; 4770 kfree(ha->nvram); 4771 ha->nvram = NULL; 4772 kfree(ha->npiv_info); 4773 ha->npiv_info = NULL; 4774 kfree(ha->swl); 4775 ha->swl = NULL; 4776 kfree(ha->loop_id_map); 4777 ha->loop_id_map = NULL; 4778} 4779 4780struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, 4781 struct qla_hw_data *ha) 4782{ 4783 struct Scsi_Host *host; 4784 struct scsi_qla_host *vha = NULL; 4785 4786 host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); 4787 if (!host) { 4788 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107, 4789 "Failed to allocate host from the scsi layer, aborting.\n"); 4790 return NULL; 4791 } 4792 4793 /* Clear our data area */ 4794 vha = shost_priv(host); 4795 memset(vha, 0, sizeof(scsi_qla_host_t)); 4796 4797 vha->host = host; 4798 vha->host_no = host->host_no; 4799 vha->hw = ha; 4800 4801 vha->qlini_mode = ql2x_ini_mode; 4802 vha->ql2xexchoffld = ql2xexchoffld; 4803 vha->ql2xiniexchg = ql2xiniexchg; 4804 4805 INIT_LIST_HEAD(&vha->vp_fcports); 4806 INIT_LIST_HEAD(&vha->work_list); 4807 INIT_LIST_HEAD(&vha->list); 4808 INIT_LIST_HEAD(&vha->qla_cmd_list); 4809 INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); 4810 INIT_LIST_HEAD(&vha->logo_list); 4811 INIT_LIST_HEAD(&vha->plogi_ack_list); 4812 INIT_LIST_HEAD(&vha->qp_list); 4813 INIT_LIST_HEAD(&vha->gnl.fcports); 4814 INIT_LIST_HEAD(&vha->gpnid_list); 4815 INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn); 4816 4817 INIT_LIST_HEAD(&vha->purex_list.head); 4818 spin_lock_init(&vha->purex_list.lock); 4819 4820 spin_lock_init(&vha->work_lock); 4821 spin_lock_init(&vha->cmd_list_lock); 4822 init_waitqueue_head(&vha->fcport_waitQ); 4823 init_waitqueue_head(&vha->vref_waitq); 4824 4825 vha->gnl.size = sizeof(struct get_name_list_extended) * 4826 (ha->max_loop_id + 1); 4827 vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev, 4828 vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL); 4829 if (!vha->gnl.l) { 4830 ql_log(ql_log_fatal, vha, 0xd04a, 4831 "Alloc failed for name list.\n"); 4832 scsi_host_put(vha->host); 4833 return NULL; 4834 } 4835 4836 /* todo: what about ext login? */ 4837 vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp); 4838 vha->scan.l = vmalloc(vha->scan.size); 4839 if (!vha->scan.l) { 4840 ql_log(ql_log_fatal, vha, 0xd04a, 4841 "Alloc failed for scan database.\n"); 4842 dma_free_coherent(&ha->pdev->dev, vha->gnl.size, 4843 vha->gnl.l, vha->gnl.ldma); 4844 vha->gnl.l = NULL; 4845 scsi_host_put(vha->host); 4846 return NULL; 4847 } 4848 INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn); 4849 4850 sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); 4851 ql_dbg(ql_dbg_init, vha, 0x0041, 4852 "Allocated the host=%p hw=%p vha=%p dev_name=%s", 4853 vha->host, vha->hw, vha, 4854 dev_name(&(ha->pdev->dev))); 4855 4856 return vha; 4857} 4858 4859struct qla_work_evt * 4860qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type) 4861{ 4862 struct qla_work_evt *e; 4863 uint8_t bail; 4864 4865 if (test_bit(UNLOADING, &vha->dpc_flags)) 4866 return NULL; 4867 4868 QLA_VHA_MARK_BUSY(vha, bail); 4869 if (bail) 4870 return NULL; 4871 4872 e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); 4873 if (!e) { 4874 QLA_VHA_MARK_NOT_BUSY(vha); 4875 return NULL; 4876 } 4877 4878 INIT_LIST_HEAD(&e->list); 4879 e->type = type; 4880 e->flags = QLA_EVT_FLAG_FREE; 4881 return e; 4882} 4883 4884int 4885qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) 4886{ 4887 unsigned long flags; 4888 bool q = false; 4889 4890 spin_lock_irqsave(&vha->work_lock, flags); 4891 list_add_tail(&e->list, &vha->work_list); 4892 4893 if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags)) 4894 q = true; 4895 4896 spin_unlock_irqrestore(&vha->work_lock, flags); 4897 4898 if (q) 4899 queue_work(vha->hw->wq, &vha->iocb_work); 4900 4901 return QLA_SUCCESS; 4902} 4903 4904int 4905qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, 4906 u32 data) 4907{ 4908 struct qla_work_evt *e; 4909 4910 e = qla2x00_alloc_work(vha, QLA_EVT_AEN); 4911 if (!e) 4912 return QLA_FUNCTION_FAILED; 4913 4914 e->u.aen.code = code; 4915 e->u.aen.data = data; 4916 return qla2x00_post_work(vha, e); 4917} 4918 4919int 4920qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb) 4921{ 4922 struct qla_work_evt *e; 4923 4924 e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK); 4925 if (!e) 4926 return QLA_FUNCTION_FAILED; 4927 4928 memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t)); 4929 return qla2x00_post_work(vha, e); 4930} 4931 4932#define qla2x00_post_async_work(name, type) \ 4933int qla2x00_post_async_##name##_work( \ 4934 struct scsi_qla_host *vha, \ 4935 fc_port_t *fcport, uint16_t *data) \ 4936{ \ 4937 struct qla_work_evt *e; \ 4938 \ 4939 e = qla2x00_alloc_work(vha, type); \ 4940 if (!e) \ 4941 return QLA_FUNCTION_FAILED; \ 4942 \ 4943 e->u.logio.fcport = fcport; \ 4944 if (data) { \ 4945 e->u.logio.data[0] = data[0]; \ 4946 e->u.logio.data[1] = data[1]; \ 4947 } \ 4948 fcport->flags |= FCF_ASYNC_ACTIVE; \ 4949 return qla2x00_post_work(vha, e); \ 4950} 4951 4952qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN); 4953qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT); 4954qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC); 4955qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO); 4956qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE); 4957 4958int 4959qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code) 4960{ 4961 struct qla_work_evt *e; 4962 4963 e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT); 4964 if (!e) 4965 return QLA_FUNCTION_FAILED; 4966 4967 e->u.uevent.code = code; 4968 return qla2x00_post_work(vha, e); 4969} 4970 4971static void 4972qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) 4973{ 4974 char event_string[40]; 4975 char *envp[] = { event_string, NULL }; 4976 4977 switch (code) { 4978 case QLA_UEVENT_CODE_FW_DUMP: 4979 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", 4980 vha->host_no); 4981 break; 4982 default: 4983 /* do nothing */ 4984 break; 4985 } 4986 kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp); 4987} 4988 4989int 4990qlafx00_post_aenfx_work(struct scsi_qla_host *vha, uint32_t evtcode, 4991 uint32_t *data, int cnt) 4992{ 4993 struct qla_work_evt *e; 4994 4995 e = qla2x00_alloc_work(vha, QLA_EVT_AENFX); 4996 if (!e) 4997 return QLA_FUNCTION_FAILED; 4998 4999 e->u.aenfx.evtcode = evtcode; 5000 e->u.aenfx.count = cnt; 5001 memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt); 5002 return qla2x00_post_work(vha, e); 5003} 5004 5005void qla24xx_sched_upd_fcport(fc_port_t *fcport) 5006{ 5007 unsigned long flags; 5008 5009 if (IS_SW_RESV_ADDR(fcport->d_id)) 5010 return; 5011 5012 spin_lock_irqsave(&fcport->vha->work_lock, flags); 5013 if (fcport->disc_state == DSC_UPD_FCPORT) { 5014 spin_unlock_irqrestore(&fcport->vha->work_lock, flags); 5015 return; 5016 } 5017 fcport->jiffies_at_registration = jiffies; 5018 fcport->sec_since_registration = 0; 5019 fcport->next_disc_state = DSC_DELETED; 5020 qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT); 5021 spin_unlock_irqrestore(&fcport->vha->work_lock, flags); 5022 5023 queue_work(system_unbound_wq, &fcport->reg_work); 5024} 5025 5026static 5027void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e) 5028{ 5029 unsigned long flags; 5030 fc_port_t *fcport = NULL, *tfcp; 5031 struct qlt_plogi_ack_t *pla = 5032 (struct qlt_plogi_ack_t *)e->u.new_sess.pla; 5033 uint8_t free_fcport = 0; 5034 5035 ql_dbg(ql_dbg_disc, vha, 0xffff, 5036 "%s %d %8phC enter\n", 5037 __func__, __LINE__, e->u.new_sess.port_name); 5038 5039 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5040 fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1); 5041 if (fcport) { 5042 fcport->d_id = e->u.new_sess.id; 5043 if (pla) { 5044 fcport->fw_login_state = DSC_LS_PLOGI_PEND; 5045 memcpy(fcport->node_name, 5046 pla->iocb.u.isp24.u.plogi.node_name, 5047 WWN_SIZE); 5048 qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN); 5049 /* we took an extra ref_count to prevent PLOGI ACK when 5050 * fcport/sess has not been created. 5051 */ 5052 pla->ref_count--; 5053 } 5054 } else { 5055 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5056 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 5057 if (fcport) { 5058 fcport->d_id = e->u.new_sess.id; 5059 fcport->flags |= FCF_FABRIC_DEVICE; 5060 fcport->fw_login_state = DSC_LS_PLOGI_PEND; 5061 5062 memcpy(fcport->port_name, e->u.new_sess.port_name, 5063 WWN_SIZE); 5064 5065 fcport->fc4_type = e->u.new_sess.fc4_type; 5066 if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) { 5067 fcport->fc4_type = FS_FC4TYPE_FCP; 5068 fcport->n2n_flag = 1; 5069 if (vha->flags.nvme_enabled) 5070 fcport->fc4_type |= FS_FC4TYPE_NVME; 5071 } 5072 5073 } else { 5074 ql_dbg(ql_dbg_disc, vha, 0xffff, 5075 "%s %8phC mem alloc fail.\n", 5076 __func__, e->u.new_sess.port_name); 5077 5078 if (pla) { 5079 list_del(&pla->list); 5080 kmem_cache_free(qla_tgt_plogi_cachep, pla); 5081 } 5082 return; 5083 } 5084 5085 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5086 /* search again to make sure no one else got ahead */ 5087 tfcp = qla2x00_find_fcport_by_wwpn(vha, 5088 e->u.new_sess.port_name, 1); 5089 if (tfcp) { 5090 /* should rarily happen */ 5091 ql_dbg(ql_dbg_disc, vha, 0xffff, 5092 "%s %8phC found existing fcport b4 add. DS %d LS %d\n", 5093 __func__, tfcp->port_name, tfcp->disc_state, 5094 tfcp->fw_login_state); 5095 5096 free_fcport = 1; 5097 } else { 5098 list_add_tail(&fcport->list, &vha->vp_fcports); 5099 5100 } 5101 if (pla) { 5102 qlt_plogi_ack_link(vha, pla, fcport, 5103 QLT_PLOGI_LINK_SAME_WWN); 5104 pla->ref_count--; 5105 } 5106 } 5107 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5108 5109 if (fcport) { 5110 fcport->id_changed = 1; 5111 fcport->scan_state = QLA_FCPORT_FOUND; 5112 fcport->chip_reset = vha->hw->base_qpair->chip_reset; 5113 memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE); 5114 5115 if (pla) { 5116 if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) { 5117 u16 wd3_lo; 5118 5119 fcport->fw_login_state = DSC_LS_PRLI_PEND; 5120 fcport->local = 0; 5121 fcport->loop_id = 5122 le16_to_cpu( 5123 pla->iocb.u.isp24.nport_handle); 5124 fcport->fw_login_state = DSC_LS_PRLI_PEND; 5125 wd3_lo = 5126 le16_to_cpu( 5127 pla->iocb.u.isp24.u.prli.wd3_lo); 5128 5129 if (wd3_lo & BIT_7) 5130 fcport->conf_compl_supported = 1; 5131 5132 if ((wd3_lo & BIT_4) == 0) 5133 fcport->port_type = FCT_INITIATOR; 5134 else 5135 fcport->port_type = FCT_TARGET; 5136 } 5137 qlt_plogi_ack_unref(vha, pla); 5138 } else { 5139 fc_port_t *dfcp = NULL; 5140 5141 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5142 tfcp = qla2x00_find_fcport_by_nportid(vha, 5143 &e->u.new_sess.id, 1); 5144 if (tfcp && (tfcp != fcport)) { 5145 /* 5146 * We have a conflict fcport with same NportID. 5147 */ 5148 ql_dbg(ql_dbg_disc, vha, 0xffff, 5149 "%s %8phC found conflict b4 add. DS %d LS %d\n", 5150 __func__, tfcp->port_name, tfcp->disc_state, 5151 tfcp->fw_login_state); 5152 5153 switch (tfcp->disc_state) { 5154 case DSC_DELETED: 5155 break; 5156 case DSC_DELETE_PEND: 5157 fcport->login_pause = 1; 5158 tfcp->conflict = fcport; 5159 break; 5160 default: 5161 fcport->login_pause = 1; 5162 tfcp->conflict = fcport; 5163 dfcp = tfcp; 5164 break; 5165 } 5166 } 5167 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5168 if (dfcp) 5169 qlt_schedule_sess_for_deletion(tfcp); 5170 5171 if (N2N_TOPO(vha->hw)) { 5172 fcport->flags &= ~FCF_FABRIC_DEVICE; 5173 fcport->keep_nport_handle = 1; 5174 if (vha->flags.nvme_enabled) { 5175 fcport->fc4_type = 5176 (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP); 5177 fcport->n2n_flag = 1; 5178 } 5179 fcport->fw_login_state = 0; 5180 5181 schedule_delayed_work(&vha->scan.scan_work, 5); 5182 } else { 5183 qla24xx_fcport_handle_login(vha, fcport); 5184 } 5185 } 5186 } 5187 5188 if (free_fcport) { 5189 qla2x00_free_fcport(fcport); 5190 if (pla) { 5191 list_del(&pla->list); 5192 kmem_cache_free(qla_tgt_plogi_cachep, pla); 5193 } 5194 } 5195} 5196 5197static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e) 5198{ 5199 struct srb *sp = e->u.iosb.sp; 5200 int rval; 5201 5202 rval = qla2x00_start_sp(sp); 5203 if (rval != QLA_SUCCESS) { 5204 ql_dbg(ql_dbg_disc, vha, 0x2043, 5205 "%s: %s: Re-issue IOCB failed (%d).\n", 5206 __func__, sp->name, rval); 5207 qla24xx_sp_unmap(vha, sp); 5208 } 5209} 5210 5211void 5212qla2x00_do_work(struct scsi_qla_host *vha) 5213{ 5214 struct qla_work_evt *e, *tmp; 5215 unsigned long flags; 5216 LIST_HEAD(work); 5217 int rc; 5218 5219 spin_lock_irqsave(&vha->work_lock, flags); 5220 list_splice_init(&vha->work_list, &work); 5221 spin_unlock_irqrestore(&vha->work_lock, flags); 5222 5223 list_for_each_entry_safe(e, tmp, &work, list) { 5224 rc = QLA_SUCCESS; 5225 switch (e->type) { 5226 case QLA_EVT_AEN: 5227 fc_host_post_event(vha->host, fc_get_event_number(), 5228 e->u.aen.code, e->u.aen.data); 5229 break; 5230 case QLA_EVT_IDC_ACK: 5231 qla81xx_idc_ack(vha, e->u.idc_ack.mb); 5232 break; 5233 case QLA_EVT_ASYNC_LOGIN: 5234 qla2x00_async_login(vha, e->u.logio.fcport, 5235 e->u.logio.data); 5236 break; 5237 case QLA_EVT_ASYNC_LOGOUT: 5238 rc = qla2x00_async_logout(vha, e->u.logio.fcport); 5239 break; 5240 case QLA_EVT_ASYNC_ADISC: 5241 qla2x00_async_adisc(vha, e->u.logio.fcport, 5242 e->u.logio.data); 5243 break; 5244 case QLA_EVT_UEVENT: 5245 qla2x00_uevent_emit(vha, e->u.uevent.code); 5246 break; 5247 case QLA_EVT_AENFX: 5248 qlafx00_process_aen(vha, e); 5249 break; 5250 case QLA_EVT_GPNID: 5251 qla24xx_async_gpnid(vha, &e->u.gpnid.id); 5252 break; 5253 case QLA_EVT_UNMAP: 5254 qla24xx_sp_unmap(vha, e->u.iosb.sp); 5255 break; 5256 case QLA_EVT_RELOGIN: 5257 qla2x00_relogin(vha); 5258 break; 5259 case QLA_EVT_NEW_SESS: 5260 qla24xx_create_new_sess(vha, e); 5261 break; 5262 case QLA_EVT_GPDB: 5263 qla24xx_async_gpdb(vha, e->u.fcport.fcport, 5264 e->u.fcport.opt); 5265 break; 5266 case QLA_EVT_PRLI: 5267 qla24xx_async_prli(vha, e->u.fcport.fcport); 5268 break; 5269 case QLA_EVT_GPSC: 5270 qla24xx_async_gpsc(vha, e->u.fcport.fcport); 5271 break; 5272 case QLA_EVT_GNL: 5273 qla24xx_async_gnl(vha, e->u.fcport.fcport); 5274 break; 5275 case QLA_EVT_NACK: 5276 qla24xx_do_nack_work(vha, e); 5277 break; 5278 case QLA_EVT_ASYNC_PRLO: 5279 rc = qla2x00_async_prlo(vha, e->u.logio.fcport); 5280 break; 5281 case QLA_EVT_ASYNC_PRLO_DONE: 5282 qla2x00_async_prlo_done(vha, e->u.logio.fcport, 5283 e->u.logio.data); 5284 break; 5285 case QLA_EVT_GPNFT: 5286 qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type, 5287 e->u.gpnft.sp); 5288 break; 5289 case QLA_EVT_GPNFT_DONE: 5290 qla24xx_async_gpnft_done(vha, e->u.iosb.sp); 5291 break; 5292 case QLA_EVT_GNNFT_DONE: 5293 qla24xx_async_gnnft_done(vha, e->u.iosb.sp); 5294 break; 5295 case QLA_EVT_GNNID: 5296 qla24xx_async_gnnid(vha, e->u.fcport.fcport); 5297 break; 5298 case QLA_EVT_GFPNID: 5299 qla24xx_async_gfpnid(vha, e->u.fcport.fcport); 5300 break; 5301 case QLA_EVT_SP_RETRY: 5302 qla_sp_retry(vha, e); 5303 break; 5304 case QLA_EVT_IIDMA: 5305 qla_do_iidma_work(vha, e->u.fcport.fcport); 5306 break; 5307 case QLA_EVT_ELS_PLOGI: 5308 qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI, 5309 e->u.fcport.fcport, false); 5310 break; 5311 } 5312 5313 if (rc == EAGAIN) { 5314 /* put 'work' at head of 'vha->work_list' */ 5315 spin_lock_irqsave(&vha->work_lock, flags); 5316 list_splice(&work, &vha->work_list); 5317 spin_unlock_irqrestore(&vha->work_lock, flags); 5318 break; 5319 } 5320 list_del_init(&e->list); 5321 if (e->flags & QLA_EVT_FLAG_FREE) 5322 kfree(e); 5323 5324 /* For each work completed decrement vha ref count */ 5325 QLA_VHA_MARK_NOT_BUSY(vha); 5326 } 5327} 5328 5329int qla24xx_post_relogin_work(struct scsi_qla_host *vha) 5330{ 5331 struct qla_work_evt *e; 5332 5333 e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN); 5334 5335 if (!e) { 5336 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 5337 return QLA_FUNCTION_FAILED; 5338 } 5339 5340 return qla2x00_post_work(vha, e); 5341} 5342 5343/* Relogins all the fcports of a vport 5344 * Context: dpc thread 5345 */ 5346void qla2x00_relogin(struct scsi_qla_host *vha) 5347{ 5348 fc_port_t *fcport; 5349 int status, relogin_needed = 0; 5350 struct event_arg ea; 5351 5352 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5353 /* 5354 * If the port is not ONLINE then try to login 5355 * to it if we haven't run out of retries. 5356 */ 5357 if (atomic_read(&fcport->state) != FCS_ONLINE && 5358 fcport->login_retry) { 5359 if (fcport->scan_state != QLA_FCPORT_FOUND || 5360 fcport->disc_state == DSC_LOGIN_COMPLETE) 5361 continue; 5362 5363 if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) || 5364 fcport->disc_state == DSC_DELETE_PEND) { 5365 relogin_needed = 1; 5366 } else { 5367 if (vha->hw->current_topology != ISP_CFG_NL) { 5368 memset(&ea, 0, sizeof(ea)); 5369 ea.fcport = fcport; 5370 qla24xx_handle_relogin_event(vha, &ea); 5371 } else if (vha->hw->current_topology == 5372 ISP_CFG_NL) { 5373 fcport->login_retry--; 5374 status = 5375 qla2x00_local_device_login(vha, 5376 fcport); 5377 if (status == QLA_SUCCESS) { 5378 fcport->old_loop_id = 5379 fcport->loop_id; 5380 ql_dbg(ql_dbg_disc, vha, 0x2003, 5381 "Port login OK: logged in ID 0x%x.\n", 5382 fcport->loop_id); 5383 qla2x00_update_fcport 5384 (vha, fcport); 5385 } else if (status == 1) { 5386 set_bit(RELOGIN_NEEDED, 5387 &vha->dpc_flags); 5388 /* retry the login again */ 5389 ql_dbg(ql_dbg_disc, vha, 0x2007, 5390 "Retrying %d login again loop_id 0x%x.\n", 5391 fcport->login_retry, 5392 fcport->loop_id); 5393 } else { 5394 fcport->login_retry = 0; 5395 } 5396 5397 if (fcport->login_retry == 0 && 5398 status != QLA_SUCCESS) 5399 qla2x00_clear_loop_id(fcport); 5400 } 5401 } 5402 } 5403 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 5404 break; 5405 } 5406 5407 if (relogin_needed) 5408 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 5409 5410 ql_dbg(ql_dbg_disc, vha, 0x400e, 5411 "Relogin end.\n"); 5412} 5413 5414/* Schedule work on any of the dpc-workqueues */ 5415void 5416qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code) 5417{ 5418 struct qla_hw_data *ha = base_vha->hw; 5419 5420 switch (work_code) { 5421 case MBA_IDC_AEN: /* 0x8200 */ 5422 if (ha->dpc_lp_wq) 5423 queue_work(ha->dpc_lp_wq, &ha->idc_aen); 5424 break; 5425 5426 case QLA83XX_NIC_CORE_RESET: /* 0x1 */ 5427 if (!ha->flags.nic_core_reset_hdlr_active) { 5428 if (ha->dpc_hp_wq) 5429 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset); 5430 } else 5431 ql_dbg(ql_dbg_p3p, base_vha, 0xb05e, 5432 "NIC Core reset is already active. Skip " 5433 "scheduling it again.\n"); 5434 break; 5435 case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */ 5436 if (ha->dpc_hp_wq) 5437 queue_work(ha->dpc_hp_wq, &ha->idc_state_handler); 5438 break; 5439 case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */ 5440 if (ha->dpc_hp_wq) 5441 queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable); 5442 break; 5443 default: 5444 ql_log(ql_log_warn, base_vha, 0xb05f, 5445 "Unknown work-code=0x%x.\n", work_code); 5446 } 5447 5448 return; 5449} 5450 5451/* Work: Perform NIC Core Unrecoverable state handling */ 5452void 5453qla83xx_nic_core_unrecoverable_work(struct work_struct *work) 5454{ 5455 struct qla_hw_data *ha = 5456 container_of(work, struct qla_hw_data, nic_core_unrecoverable); 5457 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5458 uint32_t dev_state = 0; 5459 5460 qla83xx_idc_lock(base_vha, 0); 5461 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); 5462 qla83xx_reset_ownership(base_vha); 5463 if (ha->flags.nic_core_reset_owner) { 5464 ha->flags.nic_core_reset_owner = 0; 5465 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE, 5466 QLA8XXX_DEV_FAILED); 5467 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n"); 5468 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); 5469 } 5470 qla83xx_idc_unlock(base_vha, 0); 5471} 5472 5473/* Work: Execute IDC state handler */ 5474void 5475qla83xx_idc_state_handler_work(struct work_struct *work) 5476{ 5477 struct qla_hw_data *ha = 5478 container_of(work, struct qla_hw_data, idc_state_handler); 5479 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5480 uint32_t dev_state = 0; 5481 5482 qla83xx_idc_lock(base_vha, 0); 5483 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); 5484 if (dev_state == QLA8XXX_DEV_FAILED || 5485 dev_state == QLA8XXX_DEV_NEED_QUIESCENT) 5486 qla83xx_idc_state_handler(base_vha); 5487 qla83xx_idc_unlock(base_vha, 0); 5488} 5489 5490static int 5491qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha) 5492{ 5493 int rval = QLA_SUCCESS; 5494 unsigned long heart_beat_wait = jiffies + (1 * HZ); 5495 uint32_t heart_beat_counter1, heart_beat_counter2; 5496 5497 do { 5498 if (time_after(jiffies, heart_beat_wait)) { 5499 ql_dbg(ql_dbg_p3p, base_vha, 0xb07c, 5500 "Nic Core f/w is not alive.\n"); 5501 rval = QLA_FUNCTION_FAILED; 5502 break; 5503 } 5504 5505 qla83xx_idc_lock(base_vha, 0); 5506 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, 5507 &heart_beat_counter1); 5508 qla83xx_idc_unlock(base_vha, 0); 5509 msleep(100); 5510 qla83xx_idc_lock(base_vha, 0); 5511 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT, 5512 &heart_beat_counter2); 5513 qla83xx_idc_unlock(base_vha, 0); 5514 } while (heart_beat_counter1 == heart_beat_counter2); 5515 5516 return rval; 5517} 5518 5519/* Work: Perform NIC Core Reset handling */ 5520void 5521qla83xx_nic_core_reset_work(struct work_struct *work) 5522{ 5523 struct qla_hw_data *ha = 5524 container_of(work, struct qla_hw_data, nic_core_reset); 5525 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5526 uint32_t dev_state = 0; 5527 5528 if (IS_QLA2031(ha)) { 5529 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS) 5530 ql_log(ql_log_warn, base_vha, 0xb081, 5531 "Failed to dump mctp\n"); 5532 return; 5533 } 5534 5535 if (!ha->flags.nic_core_reset_hdlr_active) { 5536 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) { 5537 qla83xx_idc_lock(base_vha, 0); 5538 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, 5539 &dev_state); 5540 qla83xx_idc_unlock(base_vha, 0); 5541 if (dev_state != QLA8XXX_DEV_NEED_RESET) { 5542 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a, 5543 "Nic Core f/w is alive.\n"); 5544 return; 5545 } 5546 } 5547 5548 ha->flags.nic_core_reset_hdlr_active = 1; 5549 if (qla83xx_nic_core_reset(base_vha)) { 5550 /* NIC Core reset failed. */ 5551 ql_dbg(ql_dbg_p3p, base_vha, 0xb061, 5552 "NIC Core reset failed.\n"); 5553 } 5554 ha->flags.nic_core_reset_hdlr_active = 0; 5555 } 5556} 5557 5558/* Work: Handle 8200 IDC aens */ 5559void 5560qla83xx_service_idc_aen(struct work_struct *work) 5561{ 5562 struct qla_hw_data *ha = 5563 container_of(work, struct qla_hw_data, idc_aen); 5564 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5565 uint32_t dev_state, idc_control; 5566 5567 qla83xx_idc_lock(base_vha, 0); 5568 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state); 5569 qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control); 5570 qla83xx_idc_unlock(base_vha, 0); 5571 if (dev_state == QLA8XXX_DEV_NEED_RESET) { 5572 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) { 5573 ql_dbg(ql_dbg_p3p, base_vha, 0xb062, 5574 "Application requested NIC Core Reset.\n"); 5575 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); 5576 } else if (qla83xx_check_nic_core_fw_alive(base_vha) == 5577 QLA_SUCCESS) { 5578 ql_dbg(ql_dbg_p3p, base_vha, 0xb07b, 5579 "Other protocol driver requested NIC Core Reset.\n"); 5580 qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET); 5581 } 5582 } else if (dev_state == QLA8XXX_DEV_FAILED || 5583 dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { 5584 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER); 5585 } 5586} 5587 5588static void 5589qla83xx_wait_logic(void) 5590{ 5591 int i; 5592 5593 /* Yield CPU */ 5594 if (!in_interrupt()) { 5595 /* 5596 * Wait about 200ms before retrying again. 5597 * This controls the number of retries for single 5598 * lock operation. 5599 */ 5600 msleep(100); 5601 schedule(); 5602 } else { 5603 for (i = 0; i < 20; i++) 5604 cpu_relax(); /* This a nop instr on i386 */ 5605 } 5606} 5607 5608static int 5609qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha) 5610{ 5611 int rval; 5612 uint32_t data; 5613 uint32_t idc_lck_rcvry_stage_mask = 0x3; 5614 uint32_t idc_lck_rcvry_owner_mask = 0x3c; 5615 struct qla_hw_data *ha = base_vha->hw; 5616 5617 ql_dbg(ql_dbg_p3p, base_vha, 0xb086, 5618 "Trying force recovery of the IDC lock.\n"); 5619 5620 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data); 5621 if (rval) 5622 return rval; 5623 5624 if ((data & idc_lck_rcvry_stage_mask) > 0) { 5625 return QLA_SUCCESS; 5626 } else { 5627 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2); 5628 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, 5629 data); 5630 if (rval) 5631 return rval; 5632 5633 msleep(200); 5634 5635 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, 5636 &data); 5637 if (rval) 5638 return rval; 5639 5640 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) { 5641 data &= (IDC_LOCK_RECOVERY_STAGE2