drivers/scsi/qla2xxx/qla_os.c

   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 <scsi/scsi_tcq.h>
  17 #include <scsi/scsicam.h>
  18 #include <scsi/scsi_transport.h>
  19 #include <scsi/scsi_transport_fc.h>
  20
  21 #include "qla_target.h"
  22
  23 /*
  24  * Driver version
  25  */
  26 char qla2x00_version_str[40];
  27
  28 static int apidev_major;
  29
  30 /*
  31  * SRB allocation cache
  32  */
  33 static struct kmem_cache *srb_cachep;
  34
  35 /*
  36  * CT6 CTX allocation cache
  37  */
  38 static struct kmem_cache *ctx_cachep;
  39 /*
  40  * error level for logging
  41  */
  42 int ql_errlev = ql_log_all;
  43
  44 static int ql2xenableclass2;
  45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
  46 MODULE_PARM_DESC(ql2xenableclass2,
  47                 "Specify if Class 2 operations are supported from the very "
  48                 "beginning. Default is 0 - class 2 not supported.");
  49
  50
  51 int ql2xlogintimeout = 20;
  52 module_param(ql2xlogintimeout, int, S_IRUGO);
  53 MODULE_PARM_DESC(ql2xlogintimeout,
  54                 "Login timeout value in seconds.");
  55
  56 int qlport_down_retry;
  57 module_param(qlport_down_retry, int, S_IRUGO);
  58 MODULE_PARM_DESC(qlport_down_retry,
  59                 "Maximum number of command retries to a port that returns "
  60                 "a PORT-DOWN status.");
  61
  62 int ql2xplogiabsentdevice;
  63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  65                 "Option to enable PLOGI to devices that are not present after "
  66                 "a Fabric scan.  This is needed for several broken switches. "
  67                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  68
  69 int ql2xloginretrycount = 0;
  70 module_param(ql2xloginretrycount, int, S_IRUGO);
  71 MODULE_PARM_DESC(ql2xloginretrycount,
  72                 "Specify an alternate value for the NVRAM login retry count.");
  73
  74 int ql2xallocfwdump = 1;
  75 module_param(ql2xallocfwdump, int, S_IRUGO);
  76 MODULE_PARM_DESC(ql2xallocfwdump,
  77                 "Option to enable allocation of memory for a firmware dump "
  78                 "during HBA initialization.  Memory allocation requirements "
  79                 "vary by ISP type.  Default is 1 - allocate memory.");
  80
  81 int ql2xextended_error_logging;
  82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  83 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  84 MODULE_PARM_DESC(ql2xextended_error_logging,
  85                 "Option to enable extended error logging,\n"
  86                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  87                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
  88                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
  89                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
  90                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
  91                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
  92                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
  93                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
  94                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
  95                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
  96                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
  97                 "\t\t0x1e400000 - Preferred value for capturing essential "
  98                 "debug information (equivalent to old "
  99                 "ql2xextended_error_logging=1).\n"
 100                 "\t\tDo LOGICAL OR of the value to enable more than one level");
 101
 102 int ql2xshiftctondsd = 6;
 103 module_param(ql2xshiftctondsd, int, S_IRUGO);
 104 MODULE_PARM_DESC(ql2xshiftctondsd,
 105                 "Set to control shifting of command type processing "
 106                 "based on total number of SG elements.");
 107
 108 int ql2xfdmienable=1;
 109 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 110 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 111 MODULE_PARM_DESC(ql2xfdmienable,
 112                 "Enables FDMI registrations. "
 113                 "0 - no FDMI. Default is 1 - perform FDMI.");
 114
 115 #define MAX_Q_DEPTH     32
 116 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 117 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 118 MODULE_PARM_DESC(ql2xmaxqdepth,
 119                 "Maximum queue depth to set for each LUN. "
 120                 "Default is 32.");
 121
 122 int ql2xenabledif = 2;
 123 module_param(ql2xenabledif, int, S_IRUGO);
 124 MODULE_PARM_DESC(ql2xenabledif,
 125                 " Enable T10-CRC-DIF:\n"
 126                 " Default is 2.\n"
 127                 "  0 -- No DIF Support\n"
 128                 "  1 -- Enable DIF for all types\n"
 129                 "  2 -- Enable DIF for all types, except Type 0.\n");
 130
 131 int ql2xenablehba_err_chk = 2;
 132 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 133 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 134                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 135                 " Default is 2.\n"
 136                 "  0 -- Error isolation disabled\n"
 137                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 138                 "  2 -- Error isolation enabled for all Types\n");
 139
 140 int ql2xiidmaenable=1;
 141 module_param(ql2xiidmaenable, int, S_IRUGO);
 142 MODULE_PARM_DESC(ql2xiidmaenable,
 143                 "Enables iIDMA settings "
 144                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 145
 146 int ql2xmaxqueues = 1;
 147 module_param(ql2xmaxqueues, int, S_IRUGO);
 148 MODULE_PARM_DESC(ql2xmaxqueues,
 149                 "Enables MQ settings "
 150                 "Default is 1 for single queue. Set it to number "
 151                 "of queues in MQ mode.");
 152
 153 int ql2xmultique_tag;
 154 module_param(ql2xmultique_tag, int, S_IRUGO);
 155 MODULE_PARM_DESC(ql2xmultique_tag,
 156                 "Enables CPU affinity settings for the driver "
 157                 "Default is 0 for no affinity of request and response IO. "
 158                 "Set it to 1 to turn on the cpu affinity.");
 159
 160 int ql2xfwloadbin;
 161 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 162 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 163 MODULE_PARM_DESC(ql2xfwloadbin,
 164                 "Option to specify location from which to load ISP firmware:.\n"
 165                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 166                 "      interface.\n"
 167                 " 1 -- load firmware from flash.\n"
 168                 " 0 -- use default semantics.\n");
 169
 170 int ql2xetsenable;
 171 module_param(ql2xetsenable, int, S_IRUGO);
 172 MODULE_PARM_DESC(ql2xetsenable,
 173                 "Enables firmware ETS burst."
 174                 "Default is 0 - skip ETS enablement.");
 175
 176 int ql2xdbwr = 1;
 177 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 178 MODULE_PARM_DESC(ql2xdbwr,
 179                 "Option to specify scheme for request queue posting.\n"
 180                 " 0 -- Regular doorbell.\n"
 181                 " 1 -- CAMRAM doorbell (faster).\n");
 182
 183 int ql2xtargetreset = 1;
 184 module_param(ql2xtargetreset, int, S_IRUGO);
 185 MODULE_PARM_DESC(ql2xtargetreset,
 186                  "Enable target reset."
 187                  "Default is 1 - use hw defaults.");
 188
 189 int ql2xgffidenable;
 190 module_param(ql2xgffidenable, int, S_IRUGO);
 191 MODULE_PARM_DESC(ql2xgffidenable,
 192                 "Enables GFF_ID checks of port type. "
 193                 "Default is 0 - Do not use GFF_ID information.");
 194
 195 int ql2xasynctmfenable;
 196 module_param(ql2xasynctmfenable, int, S_IRUGO);
 197 MODULE_PARM_DESC(ql2xasynctmfenable,
 198                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 199                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 200
 201 int ql2xdontresethba;
 202 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 203 MODULE_PARM_DESC(ql2xdontresethba,
 204                 "Option to specify reset behaviour.\n"
 205                 " 0 (Default) -- Reset on failure.\n"
 206                 " 1 -- Do not reset on failure.\n");
 207
 208 uint64_t ql2xmaxlun = MAX_LUNS;
 209 module_param(ql2xmaxlun, ullong, S_IRUGO);
 210 MODULE_PARM_DESC(ql2xmaxlun,
 211                 "Defines the maximum LU number to register with the SCSI "
 212                 "midlayer. Default is 65535.");
 213
 214 int ql2xmdcapmask = 0x1F;
 215 module_param(ql2xmdcapmask, int, S_IRUGO);
 216 MODULE_PARM_DESC(ql2xmdcapmask,
 217                 "Set the Minidump driver capture mask level. "
 218                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 219
 220 int ql2xmdenable = 1;
 221 module_param(ql2xmdenable, int, S_IRUGO);
 222 MODULE_PARM_DESC(ql2xmdenable,
 223                 "Enable/disable MiniDump. "
 224                 "0 - MiniDump disabled. "
 225                 "1 (Default) - MiniDump enabled.");
 226
 227 int ql2xexlogins = 0;
 228 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
 229 MODULE_PARM_DESC(ql2xexlogins,
 230                  "Number of extended Logins. "
 231                  "0 (Default)- Disabled.");
 232
 233 int ql2xexchoffld = 0;
 234 module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR);
 235 MODULE_PARM_DESC(ql2xexchoffld,
 236                  "Number of exchanges to offload. "
 237                  "0 (Default)- Disabled.");
 238
 239 int ql2xfwholdabts = 0;
 240 module_param(ql2xfwholdabts, int, S_IRUGO);
 241 MODULE_PARM_DESC(ql2xfwholdabts,
 242                 "Allow FW to hold status IOCB until ABTS rsp received. "
 243                 "0 (Default) Do not set fw option. "
 244                 "1 - Set fw option to hold ABTS.");
 245
 246 /*
 247  * SCSI host template entry points
 248  */
 249 static int qla2xxx_slave_configure(struct scsi_device * device);
 250 static int qla2xxx_slave_alloc(struct scsi_device *);
 251 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 252 static void qla2xxx_scan_start(struct Scsi_Host *);
 253 static void qla2xxx_slave_destroy(struct scsi_device *);
 254 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 255 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 256 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 257 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 258 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 259 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 260
 261 static void qla2x00_clear_drv_active(struct qla_hw_data *);
 262 static void qla2x00_free_device(scsi_qla_host_t *);
 263 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
 264
 265 struct scsi_host_template qla2xxx_driver_template = {
 266         .module                 = THIS_MODULE,
 267         .name                   = QLA2XXX_DRIVER_NAME,
 268         .queuecommand           = qla2xxx_queuecommand,
 269
 270         .eh_abort_handler       = qla2xxx_eh_abort,
 271         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 272         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 273         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 274         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 275
 276         .slave_configure        = qla2xxx_slave_configure,
 277
 278         .slave_alloc            = qla2xxx_slave_alloc,
 279         .slave_destroy          = qla2xxx_slave_destroy,
 280         .scan_finished          = qla2xxx_scan_finished,
 281         .scan_start             = qla2xxx_scan_start,
 282         .change_queue_depth     = scsi_change_queue_depth,
 283         .this_id                = -1,
 284         .cmd_per_lun            = 3,
 285         .use_clustering         = ENABLE_CLUSTERING,
 286         .sg_tablesize           = SG_ALL,
 287
 288         .max_sectors            = 0xFFFF,
 289         .shost_attrs            = qla2x00_host_attrs,
 290
 291         .supported_mode         = MODE_INITIATOR,
 292         .track_queue_depth      = 1,
 293 };
 294
 295 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 296 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 297
 298 /* TODO Convert to inlines
 299  *
 300  * Timer routines
 301  */
 302
 303 __inline__ void
 304 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 305 {
 306         init_timer(&vha->timer);
 307         vha->timer.expires = jiffies + interval * HZ;
 308         vha->timer.data = (unsigned long)vha;
 309         vha->timer.function = (void (*)(unsigned long))func;
 310         add_timer(&vha->timer);
 311         vha->timer_active = 1;
 312 }
 313
 314 static inline void
 315 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 316 {
 317         /* Currently used for 82XX only. */
 318         if (vha->device_flags & DFLG_DEV_FAILED) {
 319                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 320                     "Device in a failed state, returning.\n");
 321                 return;
 322         }
 323
 324         mod_timer(&vha->timer, jiffies + interval * HZ);
 325 }
 326
 327 static __inline__ void
 328 qla2x00_stop_timer(scsi_qla_host_t *vha)
 329 {
 330         del_timer_sync(&vha->timer);
 331         vha->timer_active = 0;
 332 }
 333
 334 static int qla2x00_do_dpc(void *data);
 335
 336 static void qla2x00_rst_aen(scsi_qla_host_t *);
 337
 338 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 339         struct req_que **, struct rsp_que **);
 340 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 341 static void qla2x00_mem_free(struct qla_hw_data *);
 342
 343 /* -------------------------------------------------------------------------- */
 344 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 345                                 struct rsp_que *rsp)
 346 {
 347         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 348         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 349                                 GFP_KERNEL);
 350         if (!ha->req_q_map) {
 351                 ql_log(ql_log_fatal, vha, 0x003b,
 352                     "Unable to allocate memory for request queue ptrs.\n");
 353                 goto fail_req_map;
 354         }
 355
 356         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 357                                 GFP_KERNEL);
 358         if (!ha->rsp_q_map) {
 359                 ql_log(ql_log_fatal, vha, 0x003c,
 360                     "Unable to allocate memory for response queue ptrs.\n");
 361                 goto fail_rsp_map;
 362         }
 363         /*
 364          * Make sure we record at least the request and response queue zero in
 365          * case we need to free them if part of the probe fails.
 366          */
 367         ha->rsp_q_map[0] = rsp;
 368         ha->req_q_map[0] = req;
 369         set_bit(0, ha->rsp_qid_map);
 370         set_bit(0, ha->req_qid_map);
 371         return 1;
 372
 373 fail_rsp_map:
 374         kfree(ha->req_q_map);
 375         ha->req_q_map = NULL;
 376 fail_req_map:
 377         return -ENOMEM;
 378 }
 379
 380 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 381 {
 382         if (IS_QLAFX00(ha)) {
 383                 if (req && req->ring_fx00)
 384                         dma_free_coherent(&ha->pdev->dev,
 385                             (req->length_fx00 + 1) * sizeof(request_t),
 386                             req->ring_fx00, req->dma_fx00);
 387         } else if (req && req->ring)
 388                 dma_free_coherent(&ha->pdev->dev,
 389                 (req->length + 1) * sizeof(request_t),
 390                 req->ring, req->dma);
 391
 392         if (req)
 393                 kfree(req->outstanding_cmds);
 394
 395         kfree(req);
 396         req = NULL;
 397 }
 398
 399 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 400 {
 401         if (IS_QLAFX00(ha)) {
 402                 if (rsp && rsp->ring)
 403                         dma_free_coherent(&ha->pdev->dev,
 404                             (rsp->length_fx00 + 1) * sizeof(request_t),
 405                             rsp->ring_fx00, rsp->dma_fx00);
 406         } else if (rsp && rsp->ring) {
 407                 dma_free_coherent(&ha->pdev->dev,
 408                 (rsp->length + 1) * sizeof(response_t),
 409                 rsp->ring, rsp->dma);
 410         }
 411         kfree(rsp);
 412         rsp = NULL;
 413 }
 414
 415 static void qla2x00_free_queues(struct qla_hw_data *ha)
 416 {
 417         struct req_que *req;
 418         struct rsp_que *rsp;
 419         int cnt;
 420
 421         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 422                 if (!test_bit(cnt, ha->req_qid_map))
 423                         continue;
 424
 425                 req = ha->req_q_map[cnt];
 426                 qla2x00_free_req_que(ha, req);
 427         }
 428         kfree(ha->req_q_map);
 429         ha->req_q_map = NULL;
 430
 431         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 432                 if (!test_bit(cnt, ha->rsp_qid_map))
 433                         continue;
 434
 435                 rsp = ha->rsp_q_map[cnt];
 436                 qla2x00_free_rsp_que(ha, rsp);
 437         }
 438         kfree(ha->rsp_q_map);
 439         ha->rsp_q_map = NULL;
 440 }
 441
 442 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 443 {
 444         uint16_t options = 0;
 445         int ques, req, ret;
 446         struct qla_hw_data *ha = vha->hw;
 447
 448         if (!(ha->fw_attributes & BIT_6)) {
 449                 ql_log(ql_log_warn, vha, 0x00d8,
 450                     "Firmware is not multi-queue capable.\n");
 451                 goto fail;
 452         }
 453         if (ql2xmultique_tag) {
 454                 /* create a request queue for IO */
 455                 options |= BIT_7;
 456                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 457                         QLA_DEFAULT_QUE_QOS);
 458                 if (!req) {
 459                         ql_log(ql_log_warn, vha, 0x00e0,
 460                             "Failed to create request queue.\n");
 461                         goto fail;
 462                 }
 463                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 464                 vha->req = ha->req_q_map[req];
 465                 options |= BIT_1;
 466                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 467                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 468                         if (!ret) {
 469                                 ql_log(ql_log_warn, vha, 0x00e8,
 470                                     "Failed to create response queue.\n");
 471                                 goto fail2;
 472                         }
 473                 }
 474                 ha->flags.cpu_affinity_enabled = 1;
 475                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 476                     "CPU affinity mode enabled, "
 477                     "no. of response queues:%d no. of request queues:%d.\n",
 478                     ha->max_rsp_queues, ha->max_req_queues);
 479                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 480                     "CPU affinity mode enabled, "
 481                     "no. of response queues:%d no. of request queues:%d.\n",
 482                     ha->max_rsp_queues, ha->max_req_queues);
 483         }
 484         return 0;
 485 fail2:
 486         qla25xx_delete_queues(vha);
 487         destroy_workqueue(ha->wq);
 488         ha->wq = NULL;
 489         vha->req = ha->req_q_map[0];
 490 fail:
 491         ha->mqenable = 0;
 492         kfree(ha->req_q_map);
 493         kfree(ha->rsp_q_map);
 494         ha->max_req_queues = ha->max_rsp_queues = 1;
 495         return 1;
 496 }
 497
 498 static char *
 499 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 500 {
 501         struct qla_hw_data *ha = vha->hw;
 502         static char *pci_bus_modes[] = {
 503                 "33", "66", "100", "133",
 504         };
 505         uint16_t pci_bus;
 506
 507         strcpy(str, "PCI");
 508         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 509         if (pci_bus) {
 510                 strcat(str, "-X (");
 511                 strcat(str, pci_bus_modes[pci_bus]);
 512         } else {
 513                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 514                 strcat(str, " (");
 515                 strcat(str, pci_bus_modes[pci_bus]);
 516         }
 517         strcat(str, " MHz)");
 518
 519         return (str);
 520 }
 521
 522 static char *
 523 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 524 {
 525         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 526         struct qla_hw_data *ha = vha->hw;
 527         uint32_t pci_bus;
 528
 529         if (pci_is_pcie(ha->pdev)) {
 530                 char lwstr[6];
 531                 uint32_t lstat, lspeed, lwidth;
 532
 533                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
 534                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
 535                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
 536
 537                 strcpy(str, "PCIe (");
 538                 switch (lspeed) {
 539                 case 1:
 540                         strcat(str, "2.5GT/s ");
 541                         break;
 542                 case 2:
 543                         strcat(str, "5.0GT/s ");
 544                         break;
 545                 case 3:
 546                         strcat(str, "8.0GT/s ");
 547                         break;
 548                 default:
 549                         strcat(str, "<unknown> ");
 550                         break;
 551                 }
 552                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 553                 strcat(str, lwstr);
 554
 555                 return str;
 556         }
 557
 558         strcpy(str, "PCI");
 559         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 560         if (pci_bus == 0 || pci_bus == 8) {
 561                 strcat(str, " (");
 562                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 563         } else {
 564                 strcat(str, "-X ");
 565                 if (pci_bus & BIT_2)
 566                         strcat(str, "Mode 2");
 567                 else
 568                         strcat(str, "Mode 1");
 569                 strcat(str, " (");
 570                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 571         }
 572         strcat(str, " MHz)");
 573
 574         return str;
 575 }
 576
 577 static char *
 578 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 579 {
 580         char un_str[10];
 581         struct qla_hw_data *ha = vha->hw;
 582
 583         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
 584             ha->fw_minor_version, ha->fw_subminor_version);
 585
 586         if (ha->fw_attributes & BIT_9) {
 587                 strcat(str, "FLX");
 588                 return (str);
 589         }
 590
 591         switch (ha->fw_attributes & 0xFF) {
 592         case 0x7:
 593                 strcat(str, "EF");
 594                 break;
 595         case 0x17:
 596                 strcat(str, "TP");
 597                 break;
 598         case 0x37:
 599                 strcat(str, "IP");
 600                 break;
 601         case 0x77:
 602                 strcat(str, "VI");
 603                 break;
 604         default:
 605                 sprintf(un_str, "(%x)", ha->fw_attributes);
 606                 strcat(str, un_str);
 607                 break;
 608         }
 609         if (ha->fw_attributes & 0x100)
 610                 strcat(str, "X");
 611
 612         return (str);
 613 }
 614
 615 static char *
 616 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 617 {
 618         struct qla_hw_data *ha = vha->hw;
 619
 620         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
 621             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 622         return str;
 623 }
 624
 625 void
 626 qla2x00_sp_free_dma(void *vha, void *ptr)
 627 {
 628         srb_t *sp = (srb_t *)ptr;
 629         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 630         struct qla_hw_data *ha = sp->fcport->vha->hw;
 631         void *ctx = GET_CMD_CTX_SP(sp);
 632
 633         if (sp->flags & SRB_DMA_VALID) {
 634                 scsi_dma_unmap(cmd);
 635                 sp->flags &= ~SRB_DMA_VALID;
 636         }
 637
 638         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 639                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 640                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 641                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 642         }
 643
 644         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 645                 /* List assured to be having elements */
 646                 qla2x00_clean_dsd_pool(ha, sp, NULL);
 647                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 648         }
 649
 650         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 651                 dma_pool_free(ha->dl_dma_pool, ctx,
 652                     ((struct crc_context *)ctx)->crc_ctx_dma);
 653                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 654         }
 655
 656         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 657                 struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
 658
 659                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 660                         ctx1->fcp_cmnd_dma);
 661                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 662                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 663                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 664                 mempool_free(ctx1, ha->ctx_mempool);
 665                 ctx1 = NULL;
 666         }
 667
 668         CMD_SP(cmd) = NULL;
 669         qla2x00_rel_sp(sp->fcport->vha, sp);
 670 }
 671
 672 static void
 673 qla2x00_sp_compl(void *data, void *ptr, int res)
 674 {
 675         struct qla_hw_data *ha = (struct qla_hw_data *)data;
 676         srb_t *sp = (srb_t *)ptr;
 677         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 678
 679         cmd->result = res;
 680
 681         if (atomic_read(&sp->ref_count) == 0) {
 682                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
 683                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
 684                     sp, GET_CMD_SP(sp));
 685                 if (ql2xextended_error_logging & ql_dbg_io)
 686                         WARN_ON(atomic_read(&sp->ref_count) == 0);
 687                 return;
 688         }
 689         if (!atomic_dec_and_test(&sp->ref_count))
 690                 return;
 691
 692         qla2x00_sp_free_dma(ha, sp);
 693         cmd->scsi_done(cmd);
 694 }
 695
 696 /* If we are SP1 here, we need to still take and release the host_lock as SP1
 697  * does not have the changes necessary to avoid taking host->host_lock.
 698  */
 699 static int
 700 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 701 {
 702         scsi_qla_host_t *vha = shost_priv(host);
 703         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 704         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 705         struct qla_hw_data *ha = vha->hw;
 706         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 707         srb_t *sp;
 708         int rval;
 709
 710         if (ha->flags.eeh_busy) {
 711                 if (ha->flags.pci_channel_io_perm_failure) {
 712                         ql_dbg(ql_dbg_aer, vha, 0x9010,
 713                             "PCI Channel IO permanent failure, exiting "
 714                             "cmd=%p.\n", cmd);
 715                         cmd->result = DID_NO_CONNECT << 16;
 716                 } else {
 717                         ql_dbg(ql_dbg_aer, vha, 0x9011,
 718                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 719                         cmd->result = DID_REQUEUE << 16;
 720                 }
 721                 goto qc24_fail_command;
 722         }
 723
 724         rval = fc_remote_port_chkready(rport);
 725         if (rval) {
 726                 cmd->result = rval;
 727                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
 728                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 729                     cmd, rval);
 730                 goto qc24_fail_command;
 731         }
 732
 733         if (!vha->flags.difdix_supported &&
 734                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 735                         ql_dbg(ql_dbg_io, vha, 0x3004,
 736                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 737                             cmd);
 738                         cmd->result = DID_NO_CONNECT << 16;
 739                         goto qc24_fail_command;
 740         }
 741
 742         if (!fcport) {
 743                 cmd->result = DID_NO_CONNECT << 16;
 744                 goto qc24_fail_command;
 745         }
 746
 747         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 748                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 749                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 750                         ql_dbg(ql_dbg_io, vha, 0x3005,
 751                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 752                             atomic_read(&fcport->state),
 753                             atomic_read(&base_vha->loop_state));
 754                         cmd->result = DID_NO_CONNECT << 16;
 755                         goto qc24_fail_command;
 756                 }
 757                 goto qc24_target_busy;
 758         }
 759
 760         /*
 761          * Return target busy if we've received a non-zero retry_delay_timer
 762          * in a FCP_RSP.
 763          */
 764         if (fcport->retry_delay_timestamp == 0) {
 765                 /* retry delay not set */
 766         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
 767                 fcport->retry_delay_timestamp = 0;
 768         else
 769                 goto qc24_target_busy;
 770
 771         sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
 772         if (!sp)
 773                 goto qc24_host_busy;
 774
 775         sp->u.scmd.cmd = cmd;
 776         sp->type = SRB_SCSI_CMD;
 777         atomic_set(&sp->ref_count, 1);
 778         CMD_SP(cmd) = (void *)sp;
 779         sp->free = qla2x00_sp_free_dma;
 780         sp->done = qla2x00_sp_compl;
 781
 782         rval = ha->isp_ops->start_scsi(sp);
 783         if (rval != QLA_SUCCESS) {
 784                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
 785                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 786                 goto qc24_host_busy_free_sp;
 787         }
 788
 789         return 0;
 790
 791 qc24_host_busy_free_sp:
 792         qla2x00_sp_free_dma(ha, sp);
 793
 794 qc24_host_busy:
 795         return SCSI_MLQUEUE_HOST_BUSY;
 796
 797 qc24_target_busy:
 798         return SCSI_MLQUEUE_TARGET_BUSY;
 799
 800 qc24_fail_command:
 801         cmd->scsi_done(cmd);
 802
 803         return 0;
 804 }
 805
 806 /*
 807  * qla2x00_eh_wait_on_command
 808  *    Waits for the command to be returned by the Firmware for some
 809  *    max time.
 810  *
 811  * Input:
 812  *    cmd = Scsi Command to wait on.
 813  *
 814  * Return:
 815  *    Not Found : 0
 816  *    Found : 1
 817  */
 818 static int
 819 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 820 {
 821 #define ABORT_POLLING_PERIOD    1000
 822 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
 823         unsigned long wait_iter = ABORT_WAIT_ITER;
 824         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 825         struct qla_hw_data *ha = vha->hw;
 826         int ret = QLA_SUCCESS;
 827
 828         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 829                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 830                     "Return:eh_wait.\n");
 831                 return ret;
 832         }
 833
 834         while (CMD_SP(cmd) && wait_iter--) {
 835                 msleep(ABORT_POLLING_PERIOD);
 836         }
 837         if (CMD_SP(cmd))
 838                 ret = QLA_FUNCTION_FAILED;
 839
 840         return ret;
 841 }
 842
 843 /*
 844  * qla2x00_wait_for_hba_online
 845  *    Wait till the HBA is online after going through
 846  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 847  *    finally HBA is disabled ie marked offline
 848  *
 849  * Input:
 850  *     ha - pointer to host adapter structure
 851  *
 852  * Note:
 853  *    Does context switching-Release SPIN_LOCK
 854  *    (if any) before calling this routine.
 855  *
 856  * Return:
 857  *    Success (Adapter is online) : 0
 858  *    Failed  (Adapter is offline/disabled) : 1
 859  */
 860 int
 861 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 862 {
 863         int             return_status;
 864         unsigned long   wait_online;
 865         struct qla_hw_data *ha = vha->hw;
 866         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 867
 868         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 869         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 870             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 871             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 872             ha->dpc_active) && time_before(jiffies, wait_online)) {
 873
 874                 msleep(1000);
 875         }
 876         if (base_vha->flags.online)
 877                 return_status = QLA_SUCCESS;
 878         else
 879                 return_status = QLA_FUNCTION_FAILED;
 880
 881         return (return_status);
 882 }
 883
 884 /*
 885  * qla2x00_wait_for_hba_ready
 886  * Wait till the HBA is ready before doing driver unload
 887  *
 888  * Input:
 889  *     ha - pointer to host adapter structure
 890  *
 891  * Note:
 892  *    Does context switching-Release SPIN_LOCK
 893  *    (if any) before calling this routine.
 894  *
 895  */
 896 static void
 897 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
 898 {
 899         struct qla_hw_data *ha = vha->hw;
 900         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 901
 902         while (((qla2x00_reset_active(vha)) || ha->dpc_active ||
 903             ha->flags.mbox_busy) ||
 904                 test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
 905                 test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
 906                         if (test_bit(UNLOADING, &base_vha->dpc_flags))
 907                                 break;
 908                 msleep(1000);
 909         }
 910 }
 911
 912 int
 913 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 914 {
 915         int             return_status;
 916         unsigned long   wait_reset;
 917         struct qla_hw_data *ha = vha->hw;
 918         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 919
 920         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 921         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 922             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 923             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 924             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 925
 926                 msleep(1000);
 927
 928                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 929                     ha->flags.chip_reset_done)
 930                         break;
 931         }
 932         if (ha->flags.chip_reset_done)
 933                 return_status = QLA_SUCCESS;
 934         else
 935                 return_status = QLA_FUNCTION_FAILED;
 936
 937         return return_status;
 938 }
 939
 940 static void
 941 sp_get(struct srb *sp)
 942 {
 943         atomic_inc(&sp->ref_count);
 944 }
 945
 946 #define ISP_REG_DISCONNECT 0xffffffffU
 947 /**************************************************************************
 948 * qla2x00_isp_reg_stat
 949 *
 950 * Description:
 951 *       Read the host status register of ISP before aborting the command.
 952 *
 953 * Input:
 954 *       ha = pointer to host adapter structure.
 955 *
 956 *
 957 * Returns:
 958 *       Either true or false.
 959 *
 960 * Note: Return true if there is register disconnect.
 961 **************************************************************************/
 962 static inline
 963 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
 964 {
 965         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 966
 967         return ((RD_REG_DWORD(&reg->host_status)) == ISP_REG_DISCONNECT);
 968 }
 969
 970 /**************************************************************************
 971 * qla2xxx_eh_abort
 972 *
 973 * Description:
 974 *    The abort function will abort the specified command.
 975 *
 976 * Input:
 977 *    cmd = Linux SCSI command packet to be aborted.
 978 *
 979 * Returns:
 980 *    Either SUCCESS or FAILED.
 981 *
 982 * Note:
 983 *    Only return FAILED if command not returned by firmware.
 984 **************************************************************************/
 985 static int
 986 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 987 {
 988         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 989         srb_t *sp;
 990         int ret;
 991         unsigned int id;
 992         uint64_t lun;
 993         unsigned long flags;
 994         int rval, wait = 0;
 995         struct qla_hw_data *ha = vha->hw;
 996
 997         if (qla2x00_isp_reg_stat(ha)) {
 998                 ql_log(ql_log_info, vha, 0x8042,
 999                     "PCI/Register disconnect, exiting.\n");
1000                 return FAILED;
1001         }
1002         if (!CMD_SP(cmd))
1003                 return SUCCESS;
1004
1005         ret = fc_block_scsi_eh(cmd);
1006         if (ret != 0)
1007                 return ret;
1008         ret = SUCCESS;
1009
1010         id = cmd->device->id;
1011         lun = cmd->device->lun;
1012
1013         spin_lock_irqsave(&ha->hardware_lock, flags);
1014         sp = (srb_t *) CMD_SP(cmd);
1015         if (!sp) {
1016                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1017                 return SUCCESS;
1018         }
1019
1020         ql_dbg(ql_dbg_taskm, vha, 0x8002,
1021             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1022             vha->host_no, id, lun, sp, cmd, sp->handle);
1023
1024         /* Get a reference to the sp and drop the lock.*/
1025         sp_get(sp);
1026
1027         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1028         rval = ha->isp_ops->abort_command(sp);
1029         if (rval) {
1030                 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1031                         ret = SUCCESS;
1032                 else
1033                         ret = FAILED;
1034
1035                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
1036                     "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1037         } else {
1038                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
1039                     "Abort command mbx success cmd=%p.\n", cmd);
1040                 wait = 1;
1041         }
1042
1043         spin_lock_irqsave(&ha->hardware_lock, flags);
1044         sp->done(ha, sp, 0);
1045         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1046
1047         /* Did the command return during mailbox execution? */
1048         if (ret == FAILED && !CMD_SP(cmd))
1049                 ret = SUCCESS;
1050
1051         /* Wait for the command to be returned. */
1052         if (wait) {
1053                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1054                         ql_log(ql_log_warn, vha, 0x8006,
1055                             "Abort handler timed out cmd=%p.\n", cmd);
1056                         ret = FAILED;
1057                 }
1058         }
1059
1060         ql_log(ql_log_info, vha, 0x801c,
1061             "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1062             vha->host_no, id, lun, wait, ret);
1063
1064         return ret;
1065 }
1066
1067 int
1068 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1069         uint64_t l, enum nexus_wait_type type)
1070 {
1071         int cnt, match, status;
1072         unsigned long flags;
1073         struct qla_hw_data *ha = vha->hw;
1074         struct req_que *req;
1075         srb_t *sp;
1076         struct scsi_cmnd *cmd;
1077
1078         status = QLA_SUCCESS;
1079
1080         spin_lock_irqsave(&ha->hardware_lock, flags);
1081         req = vha->req;
1082         for (cnt = 1; status == QLA_SUCCESS &&
1083                 cnt < req->num_outstanding_cmds; cnt++) {
1084                 sp = req->outstanding_cmds[cnt];
1085                 if (!sp)
1086                         continue;
1087                 if (sp->type != SRB_SCSI_CMD)
1088                         continue;
1089                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
1090                         continue;
1091                 match = 0;
1092                 cmd = GET_CMD_SP(sp);
1093                 switch (type) {
1094                 case WAIT_HOST:
1095                         match = 1;
1096                         break;
1097                 case WAIT_TARGET:
1098                         match = cmd->device->id == t;
1099                         break;
1100                 case WAIT_LUN:
1101                         match = (cmd->device->id == t &&
1102                                 cmd->device->lun == l);
1103                         break;
1104                 }
1105                 if (!match)
1106                         continue;
1107
1108                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1109                 status = qla2x00_eh_wait_on_command(cmd);
1110                 spin_lock_irqsave(&ha->hardware_lock, flags);
1111         }
1112         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1113
1114         return status;
1115 }
1116
1117 static char *reset_errors[] = {
1118         "HBA not online",
1119         "HBA not ready",
1120         "Task management failed",
1121         "Waiting for command completions",
1122 };
1123
1124 static int
1125 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1126     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1127 {
1128         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1129         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1130         int err;
1131
1132         if (!fcport) {
1133                 return FAILED;
1134         }
1135
1136         err = fc_block_scsi_eh(cmd);
1137         if (err != 0)
1138                 return err;
1139
1140         ql_log(ql_log_info, vha, 0x8009,
1141             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1142             cmd->device->id, cmd->device->lun, cmd);
1143
1144         err = 0;
1145         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1146                 ql_log(ql_log_warn, vha, 0x800a,
1147                     "Wait for hba online failed for cmd=%p.\n", cmd);
1148                 goto eh_reset_failed;
1149         }
1150         err = 2;
1151         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1152                 != QLA_SUCCESS) {
1153                 ql_log(ql_log_warn, vha, 0x800c,
1154                     "do_reset failed for cmd=%p.\n", cmd);
1155                 goto eh_reset_failed;
1156         }
1157         err = 3;
1158         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1159             cmd->device->lun, type) != QLA_SUCCESS) {
1160                 ql_log(ql_log_warn, vha, 0x800d,
1161                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1162                 goto eh_reset_failed;
1163         }
1164
1165         ql_log(ql_log_info, vha, 0x800e,
1166             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1167             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1168
1169         return SUCCESS;
1170
1171 eh_reset_failed:
1172         ql_log(ql_log_info, vha, 0x800f,
1173             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1174             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1175             cmd);
1176         return FAILED;
1177 }
1178
1179 static int
1180 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1181 {
1182         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1183         struct qla_hw_data *ha = vha->hw;
1184
1185         if (qla2x00_isp_reg_stat(ha)) {
1186                 ql_log(ql_log_info, vha, 0x803e,
1187                     "PCI/Register disconnect, exiting.\n");
1188                 return FAILED;
1189         }
1190
1191         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1192             ha->isp_ops->lun_reset);
1193 }
1194
1195 static int
1196 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1197 {
1198         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1199         struct qla_hw_data *ha = vha->hw;
1200
1201         if (qla2x00_isp_reg_stat(ha)) {
1202                 ql_log(ql_log_info, vha, 0x803f,
1203                     "PCI/Register disconnect, exiting.\n");
1204                 return FAILED;
1205         }
1206
1207         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1208             ha->isp_ops->target_reset);
1209 }
1210
1211 /**************************************************************************
1212 * qla2xxx_eh_bus_reset
1213 *
1214 * Description:
1215 *    The bus reset function will reset the bus and abort any executing
1216 *    commands.
1217 *
1218 * Input:
1219 *    cmd = Linux SCSI command packet of the command that cause the
1220 *          bus reset.
1221 *
1222 * Returns:
1223 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1224 *
1225 **************************************************************************/
1226 static int
1227 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1228 {
1229         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1230         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1231         int ret = FAILED;
1232         unsigned int id;
1233         uint64_t lun;
1234         struct qla_hw_data *ha = vha->hw;
1235
1236         if (qla2x00_isp_reg_stat(ha)) {
1237                 ql_log(ql_log_info, vha, 0x8040,
1238                     "PCI/Register disconnect, exiting.\n");
1239                 return FAILED;
1240         }
1241
1242         id = cmd->device->id;
1243         lun = cmd->device->lun;
1244
1245         if (!fcport) {
1246                 return ret;
1247         }
1248
1249         ret = fc_block_scsi_eh(cmd);
1250         if (ret != 0)
1251                 return ret;
1252         ret = FAILED;
1253
1254         ql_log(ql_log_info, vha, 0x8012,
1255             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1256
1257         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1258                 ql_log(ql_log_fatal, vha, 0x8013,
1259                     "Wait for hba online failed board disabled.\n");
1260                 goto eh_bus_reset_done;
1261         }
1262
1263         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1264                 ret = SUCCESS;
1265
1266         if (ret == FAILED)
1267                 goto eh_bus_reset_done;
1268
1269         /* Flush outstanding commands. */
1270         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1271             QLA_SUCCESS) {
1272                 ql_log(ql_log_warn, vha, 0x8014,
1273                     "Wait for pending commands failed.\n");
1274                 ret = FAILED;
1275         }
1276
1277 eh_bus_reset_done:
1278         ql_log(ql_log_warn, vha, 0x802b,
1279             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1280             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1281
1282         return ret;
1283 }
1284
1285 /**************************************************************************
1286 * qla2xxx_eh_host_reset
1287 *
1288 * Description:
1289 *    The reset function will reset the Adapter.
1290 *
1291 * Input:
1292 *      cmd = Linux SCSI command packet of the command that cause the
1293 *            adapter reset.
1294 *
1295 * Returns:
1296 *      Either SUCCESS or FAILED.
1297 *
1298 * Note:
1299 **************************************************************************/
1300 static int
1301 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1302 {
1303         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1304         struct qla_hw_data *ha = vha->hw;
1305         int ret = FAILED;
1306         unsigned int id;
1307         uint64_t lun;
1308         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1309
1310         if (qla2x00_isp_reg_stat(ha)) {
1311                 ql_log(ql_log_info, vha, 0x8041,
1312                     "PCI/Register disconnect, exiting.\n");
1313                 schedule_work(&ha->board_disable);
1314                 return SUCCESS;
1315         }
1316
1317         id = cmd->device->id;
1318         lun = cmd->device->lun;
1319
1320         ql_log(ql_log_info, vha, 0x8018,
1321             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1322
1323         /*
1324          * No point in issuing another reset if one is active.  Also do not
1325          * attempt a reset if we are updating flash.
1326          */
1327         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1328                 goto eh_host_reset_lock;
1329
1330         if (vha != base_vha) {
1331                 if (qla2x00_vp_abort_isp(vha))
1332                         goto eh_host_reset_lock;
1333         } else {
1334                 if (IS_P3P_TYPE(vha->hw)) {
1335                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1336                                 /* Ctx reset success */
1337                                 ret = SUCCESS;
1338                                 goto eh_host_reset_lock;
1339                         }
1340                         /* fall thru if ctx reset failed */
1341                 }
1342                 if (ha->wq)
1343                         flush_workqueue(ha->wq);
1344
1345                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1346                 if (ha->isp_ops->abort_isp(base_vha)) {
1347                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1348                         /* failed. schedule dpc to try */
1349                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1350
1351                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1352                                 ql_log(ql_log_warn, vha, 0x802a,
1353                                     "wait for hba online failed.\n");
1354                                 goto eh_host_reset_lock;
1355                         }
1356                 }
1357                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1358         }
1359
1360         /* Waiting for command to be returned to OS.*/
1361         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1362                 QLA_SUCCESS)
1363                 ret = SUCCESS;
1364
1365 eh_host_reset_lock:
1366         ql_log(ql_log_info, vha, 0x8017,
1367             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1368             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1369
1370         return ret;
1371 }
1372
1373 /*
1374 * qla2x00_loop_reset
1375 *      Issue loop reset.
1376 *
1377 * Input:
1378 *      ha = adapter block pointer.
1379 *
1380 * Returns:
1381 *      0 = success
1382 */
1383 int
1384 qla2x00_loop_reset(scsi_qla_host_t *vha)
1385 {
1386         int ret;
1387         struct fc_port *fcport;
1388         struct qla_hw_data *ha = vha->hw;
1389
1390         if (IS_QLAFX00(ha)) {
1391                 return qlafx00_loop_reset(vha);
1392         }
1393
1394         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1395                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1396                         if (fcport->port_type != FCT_TARGET)
1397                                 continue;
1398
1399                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1400                         if (ret != QLA_SUCCESS) {
1401                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1402                                     "Bus Reset failed: Reset=%d "
1403                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1404                         }
1405                 }
1406         }
1407
1408
1409         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1410                 atomic_set(&vha->loop_state, LOOP_DOWN);
1411                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1412                 qla2x00_mark_all_devices_lost(vha, 0);
1413                 ret = qla2x00_full_login_lip(vha);
1414                 if (ret != QLA_SUCCESS) {
1415                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1416                             "full_login_lip=%d.\n", ret);
1417                 }
1418         }
1419
1420         if (ha->flags.enable_lip_reset) {
1421                 ret = qla2x00_lip_reset(vha);
1422                 if (ret != QLA_SUCCESS)
1423                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1424                             "lip_reset failed (%d).\n", ret);
1425         }
1426
1427         /* Issue marker command only when we are going to start the I/O */
1428         vha->marker_needed = 1;
1429
1430         return QLA_SUCCESS;
1431 }
1432
1433 void
1434 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1435 {
1436         int que, cnt;
1437         unsigned long flags;
1438         srb_t *sp;
1439         struct qla_hw_data *ha = vha->hw;
1440         struct req_que *req;
1441
1442         qlt_host_reset_handler(ha);
1443
1444         spin_lock_irqsave(&ha->hardware_lock, flags);
1445         for (que = 0; que < ha->max_req_queues; que++) {
1446                 req = ha->req_q_map[que];
1447                 if (!req)
1448                         continue;
1449                 if (!req->outstanding_cmds)
1450                         continue;
1451                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1452                         sp = req->outstanding_cmds[cnt];
1453                         if (sp) {
1454                                 req->outstanding_cmds[cnt] = NULL;
1455                                 sp->done(vha, sp, res);
1456                         }
1457                 }
1458         }
1459         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1460 }
1461
1462 static int
1463 qla2xxx_slave_alloc(struct scsi_device *sdev)
1464 {
1465         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1466
1467         if (!rport || fc_remote_port_chkready(rport))
1468                 return -ENXIO;
1469
1470         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1471
1472         return 0;
1473 }
1474
1475 static int
1476 qla2xxx_slave_configure(struct scsi_device *sdev)
1477 {
1478         scsi_qla_host_t *vha = shost_priv(sdev->host);
1479         struct req_que *req = vha->req;
1480
1481         if (IS_T10_PI_CAPABLE(vha->hw))
1482                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1483
1484         scsi_change_queue_depth(sdev, req->max_q_depth);
1485         return 0;
1486 }
1487
1488 static void
1489 qla2xxx_slave_destroy(struct scsi_device *sdev)
1490 {
1491         sdev->hostdata = NULL;
1492 }
1493
1494 /**
1495  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1496  * @ha: HA context
1497  *
1498  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1499  * supported addressing method.
1500  */
1501 static void
1502 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1503 {
1504         /* Assume a 32bit DMA mask. */
1505         ha->flags.enable_64bit_addressing = 0;
1506
1507         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1508                 /* Any upper-dword bits set? */
1509                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1510                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1511                         /* Ok, a 64bit DMA mask is applicable. */
1512                         ha->flags.enable_64bit_addressing = 1;
1513                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1514                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1515                         return;
1516                 }
1517         }
1518
1519         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1520         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1521 }
1522
1523 static void
1524 qla2x00_enable_intrs(struct qla_hw_data *ha)
1525 {
1526         unsigned long flags = 0;
1527         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1528
1529         spin_lock_irqsave(&ha->hardware_lock, flags);
1530         ha->interrupts_on = 1;
1531         /* enable risc and host interrupts */
1532         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1533         RD_REG_WORD(&reg->ictrl);
1534         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1535
1536 }
1537
1538 static void
1539 qla2x00_disable_intrs(struct qla_hw_data *ha)
1540 {
1541         unsigned long flags = 0;
1542         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1543
1544         spin_lock_irqsave(&ha->hardware_lock, flags);
1545         ha->interrupts_on = 0;
1546         /* disable risc and host interrupts */
1547         WRT_REG_WORD(&reg->ictrl, 0);
1548         RD_REG_WORD(&reg->ictrl);
1549         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1550 }
1551
1552 static void
1553 qla24xx_enable_intrs(struct qla_hw_data *ha)
1554 {
1555         unsigned long flags = 0;
1556         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1557
1558         spin_lock_irqsave(&ha->hardware_lock, flags);
1559         ha->interrupts_on = 1;
1560         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1561         RD_REG_DWORD(&reg->ictrl);
1562         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1563 }
1564
1565 static void
1566 qla24xx_disable_intrs(struct qla_hw_data *ha)
1567 {
1568         unsigned long flags = 0;
1569         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1570
1571         if (IS_NOPOLLING_TYPE(ha))
1572                 return;
1573         spin_lock_irqsave(&ha->hardware_lock, flags);
1574         ha->interrupts_on = 0;
1575         WRT_REG_DWORD(&reg->ictrl, 0);
1576         RD_REG_DWORD(&reg->ictrl);
1577         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1578 }
1579
1580 static int
1581 qla2x00_iospace_config(struct qla_hw_data *ha)
1582 {
1583         resource_size_t pio;
1584         uint16_t msix;
1585         int cpus;
1586
1587         if (pci_request_selected_regions(ha->pdev, ha->bars,
1588             QLA2XXX_DRIVER_NAME)) {
1589                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1590                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1591                     pci_name(ha->pdev));
1592                 goto iospace_error_exit;
1593         }
1594         if (!(ha->bars & 1))
1595                 goto skip_pio;
1596
1597         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1598         pio = pci_resource_start(ha->pdev, 0);
1599         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1600                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1601                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1602                             "Invalid pci I/O region size (%s).\n",
1603                             pci_name(ha->pdev));
1604                         pio = 0;
1605                 }
1606         } else {
1607                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1608                     "Region #0 no a PIO resource (%s).\n",
1609                     pci_name(ha->pdev));
1610                 pio = 0;
1611         }
1612         ha->pio_address = pio;
1613         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1614             "PIO address=%llu.\n",
1615             (unsigned long long)ha->pio_address);
1616
1617 skip_pio:
1618         /* Use MMIO operations for all accesses. */
1619         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1620                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1621                     "Region #1 not an MMIO resource (%s), aborting.\n",
1622                     pci_name(ha->pdev));
1623                 goto iospace_error_exit;
1624         }
1625         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1626                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1627                     "Invalid PCI mem region size (%s), aborting.\n",
1628                     pci_name(ha->pdev));
1629                 goto iospace_error_exit;
1630         }
1631
1632         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1633         if (!ha->iobase) {
1634                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1635                     "Cannot remap MMIO (%s), aborting.\n",
1636                     pci_name(ha->pdev));
1637                 goto iospace_error_exit;
1638         }
1639
1640         /* Determine queue resources */
1641         ha->max_req_queues = ha->max_rsp_queues = 1;
1642         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1643                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1644                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1645                 goto mqiobase_exit;
1646
1647         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1648                         pci_resource_len(ha->pdev, 3));
1649         if (ha->mqiobase) {
1650                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1651                     "MQIO Base=%p.\n", ha->mqiobase);
1652                 /* Read MSIX vector size of the board */
1653                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1654                 ha->msix_count = msix;
1655                 /* Max queues are bounded by available msix vectors */
1656                 /* queue 0 uses two msix vectors */
1657                 if (ql2xmultique_tag) {
1658                         cpus = num_online_cpus();
1659                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1660                                 (cpus + 1) : (ha->msix_count - 1);
1661                         ha->max_req_queues = 2;
1662                 } else if (ql2xmaxqueues > 1) {
1663                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1664                             QLA_MQ_SIZE : ql2xmaxqueues;
1665                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1666                             "QoS mode set, max no of request queues:%d.\n",
1667                             ha->max_req_queues);
1668                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1669                             "QoS mode set, max no of request queues:%d.\n",
1670                             ha->max_req_queues);
1671                 }
1672                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1673                     "MSI-X vector count: %d.\n", msix);
1674         } else
1675                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1676                     "BAR 3 not enabled.\n");
1677
1678 mqiobase_exit:
1679         ha->msix_count = ha->max_rsp_queues + 1;
1680         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1681             "MSIX Count:%d.\n", ha->msix_count);
1682         return (0);
1683
1684 iospace_error_exit:
1685         return (-ENOMEM);
1686 }
1687
1688
1689 static int
1690 qla83xx_iospace_config(struct qla_hw_data *ha)
1691 {
1692         uint16_t msix;
1693         int cpus;
1694
1695         if (pci_request_selected_regions(ha->pdev, ha->bars,
1696             QLA2XXX_DRIVER_NAME)) {
1697                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1698                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1699                     pci_name(ha->pdev));
1700
1701                 goto iospace_error_exit;
1702         }
1703
1704         /* Use MMIO operations for all accesses. */
1705         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1706                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1707                     "Invalid pci I/O region size (%s).\n",
1708                     pci_name(ha->pdev));
1709                 goto iospace_error_exit;
1710         }
1711         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1712                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1713                     "Invalid PCI mem region size (%s), aborting\n",
1714                         pci_name(ha->pdev));
1715                 goto iospace_error_exit;
1716         }
1717
1718         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1719         if (!ha->iobase) {
1720                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1721                     "Cannot remap MMIO (%s), aborting.\n",
1722                     pci_name(ha->pdev));
1723                 goto iospace_error_exit;
1724         }
1725
1726         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1727         /* 83XX 26XX always use MQ type access for queues
1728          * - mbar 2, a.k.a region 4 */
1729         ha->max_req_queues = ha->max_rsp_queues = 1;
1730         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1731                         pci_resource_len(ha->pdev, 4));
1732
1733         if (!ha->mqiobase) {
1734                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1735                     "BAR2/region4 not enabled\n");
1736                 goto mqiobase_exit;
1737         }
1738
1739         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1740                         pci_resource_len(ha->pdev, 2));
1741         if (ha->msixbase) {
1742                 /* Read MSIX vector size of the board */
1743                 pci_read_config_word(ha->pdev,
1744                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
1745                 ha->msix_count = msix;
1746                 /* Max queues are bounded by available msix vectors */
1747                 /* queue 0 uses two msix vectors */
1748                 if (ql2xmultique_tag) {
1749                         cpus = num_online_cpus();
1750                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1751                                 (cpus + 1) : (ha->msix_count - 1);
1752                         ha->max_req_queues = 2;
1753                 } else if (ql2xmaxqueues > 1) {
1754                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1755                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1756                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1757                             "QoS mode set, max no of request queues:%d.\n",
1758                             ha->max_req_queues);
1759                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1760                             "QoS mode set, max no of request queues:%d.\n",
1761                             ha->max_req_queues);
1762                 }
1763                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1764                     "MSI-X vector count: %d.\n", msix);
1765         } else
1766                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1767                     "BAR 1 not enabled.\n");
1768
1769 mqiobase_exit:
1770         ha->msix_count = ha->max_rsp_queues + 1;
1771
1772         qlt_83xx_iospace_config(ha);
1773
1774         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1775             "MSIX Count:%d.\n", ha->msix_count);
1776         return 0;
1777
1778 iospace_error_exit:
1779         return -ENOMEM;
1780 }
1781
1782 static struct isp_operations qla2100_isp_ops = {
1783         .pci_config             = qla2100_pci_config,
1784         .reset_chip             = qla2x00_reset_chip,
1785         .chip_diag              = qla2x00_chip_diag,
1786         .config_rings           = qla2x00_config_rings,
1787         .reset_adapter          = qla2x00_reset_adapter,
1788         .nvram_config           = qla2x00_nvram_config,
1789         .update_fw_options      = qla2x00_update_fw_options,
1790         .load_risc              = qla2x00_load_risc,
1791         .pci_info_str           = qla2x00_pci_info_str,
1792         .fw_version_str         = qla2x00_fw_version_str,
1793         .intr_handler           = qla2100_intr_handler,
1794         .enable_intrs           = qla2x00_enable_intrs,
1795         .disable_intrs          = qla2x00_disable_intrs,
1796         .abort_command          = qla2x00_abort_command,
1797         .target_reset           = qla2x00_abort_target,
1798         .lun_reset              = qla2x00_lun_reset,
1799         .fabric_login           = qla2x00_login_fabric,
1800         .fabric_logout          = qla2x00_fabric_logout,
1801         .calc_req_entries       = qla2x00_calc_iocbs_32,
1802         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1803         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1804         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1805         .read_nvram             = qla2x00_read_nvram_data,
1806         .write_nvram            = qla2x00_write_nvram_data,
1807         .fw_dump                = qla2100_fw_dump,
1808         .beacon_on              = NULL,
1809         .beacon_off             = NULL,
1810         .beacon_blink           = NULL,
1811         .read_optrom            = qla2x00_read_optrom_data,
1812         .write_optrom           = qla2x00_write_optrom_data,
1813         .get_flash_version      = qla2x00_get_flash_version,
1814         .start_scsi             = qla2x00_start_scsi,
1815         .abort_isp              = qla2x00_abort_isp,
1816         .iospace_config         = qla2x00_iospace_config,
1817         .initialize_adapter     = qla2x00_initialize_adapter,
1818 };
1819
1820 static struct isp_operations qla2300_isp_ops = {
1821         .pci_config             = qla2300_pci_config,
1822         .reset_chip             = qla2x00_reset_chip,
1823         .chip_diag              = qla2x00_chip_diag,
1824         .config_rings           = qla2x00_config_rings,
1825         .reset_adapter          = qla2x00_reset_adapter,
1826         .nvram_config           = qla2x00_nvram_config,
1827         .update_fw_options      = qla2x00_update_fw_options,
1828         .load_risc              = qla2x00_load_risc,
1829         .pci_info_str           = qla2x00_pci_info_str,
1830         .fw_version_str         = qla2x00_fw_version_str,
1831         .intr_handler           = qla2300_intr_handler,
1832         .enable_intrs           = qla2x00_enable_intrs,
1833         .disable_intrs          = qla2x00_disable_intrs,
1834         .abort_command          = qla2x00_abort_command,
1835         .target_reset           = qla2x00_abort_target,
1836         .lun_reset              = qla2x00_lun_reset,
1837         .fabric_login           = qla2x00_login_fabric,
1838         .fabric_logout          = qla2x00_fabric_logout,
1839         .calc_req_entries       = qla2x00_calc_iocbs_32,
1840         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1841         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1842         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1843         .read_nvram             = qla2x00_read_nvram_data,
1844         .write_nvram            = qla2x00_write_nvram_data,
1845         .fw_dump                = qla2300_fw_dump,
1846         .beacon_on              = qla2x00_beacon_on,
1847         .beacon_off             = qla2x00_beacon_off,
1848         .beacon_blink           = qla2x00_beacon_blink,
1849         .read_optrom            = qla2x00_read_optrom_data,
1850         .write_optrom           = qla2x00_write_optrom_data,
1851         .get_flash_version      = qla2x00_get_flash_version,
1852         .start_scsi             = qla2x00_start_scsi,
1853         .abort_isp              = qla2x00_abort_isp,
1854         .iospace_config         = qla2x00_iospace_config,
1855         .initialize_adapter     = qla2x00_initialize_adapter,
1856 };
1857
1858 static struct isp_operations qla24xx_isp_ops = {
1859         .pci_config             = qla24xx_pci_config,
1860         .reset_chip             = qla24xx_reset_chip,
1861         .chip_diag              = qla24xx_chip_diag,
1862         .config_rings           = qla24xx_config_rings,
1863         .reset_adapter          = qla24xx_reset_adapter,
1864         .nvram_config           = qla24xx_nvram_config,
1865         .update_fw_options      = qla24xx_update_fw_options,
1866         .load_risc              = qla24xx_load_risc,
1867         .pci_info_str           = qla24xx_pci_info_str,
1868         .fw_version_str         = qla24xx_fw_version_str,
1869         .intr_handler           = qla24xx_intr_handler,
1870         .enable_intrs           = qla24xx_enable_intrs,
1871         .disable_intrs          = qla24xx_disable_intrs,
1872         .abort_command          = qla24xx_abort_command,
1873         .target_reset           = qla24xx_abort_target,
1874         .lun_reset              = qla24xx_lun_reset,
1875         .fabric_login           = qla24xx_login_fabric,
1876         .fabric_logout          = qla24xx_fabric_logout,
1877         .calc_req_entries       = NULL,
1878         .build_iocbs            = NULL,
1879         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1880         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1881         .read_nvram             = qla24xx_read_nvram_data,
1882         .write_nvram            = qla24xx_write_nvram_data,
1883         .fw_dump                = qla24xx_fw_dump,
1884         .beacon_on              = qla24xx_beacon_on,
1885         .beacon_off             = qla24xx_beacon_off,
1886         .beacon_blink           = qla24xx_beacon_blink,
1887         .read_optrom            = qla24xx_read_optrom_data,
1888         .write_optrom           = qla24xx_write_optrom_data,
1889         .get_flash_version      = qla24xx_get_flash_version,
1890         .start_scsi             = qla24xx_start_scsi,
1891         .abort_isp              = qla2x00_abort_isp,
1892         .iospace_config         = qla2x00_iospace_config,
1893         .initialize_adapter     = qla2x00_initialize_adapter,
1894 };
1895
1896 static struct isp_operations qla25xx_isp_ops = {
1897         .pci_config             = qla25xx_pci_config,
1898         .reset_chip             = qla24xx_reset_chip,
1899         .chip_diag              = qla24xx_chip_diag,
1900         .config_rings           = qla24xx_config_rings,
1901         .reset_adapter          = qla24xx_reset_adapter,
1902         .nvram_config           = qla24xx_nvram_config,
1903         .update_fw_options      = qla24xx_update_fw_options,
1904         .load_risc              = qla24xx_load_risc,
1905         .pci_info_str           = qla24xx_pci_info_str,
1906         .fw_version_str         = qla24xx_fw_version_str,
1907         .intr_handler           = qla24xx_intr_handler,
1908         .enable_intrs           = qla24xx_enable_intrs,
1909         .disable_intrs          = qla24xx_disable_intrs,
1910         .abort_command          = qla24xx_abort_command,
1911         .target_reset           = qla24xx_abort_target,
1912         .lun_reset              = qla24xx_lun_reset,
1913         .fabric_login           = qla24xx_login_fabric,
1914         .fabric_logout          = qla24xx_fabric_logout,
1915         .calc_req_entries       = NULL,
1916         .build_iocbs            = NULL,
1917         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1918         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1919         .read_nvram             = qla25xx_read_nvram_data,
1920         .write_nvram            = qla25xx_write_nvram_data,
1921         .fw_dump                = qla25xx_fw_dump,
1922         .beacon_on              = qla24xx_beacon_on,
1923         .beacon_off             = qla24xx_beacon_off,
1924         .beacon_blink           = qla24xx_beacon_blink,
1925         .read_optrom            = qla25xx_read_optrom_data,
1926         .write_optrom           = qla24xx_write_optrom_data,
1927         .get_flash_version      = qla24xx_get_flash_version,
1928         .start_scsi             = qla24xx_dif_start_scsi,
1929         .abort_isp              = qla2x00_abort_isp,
1930         .iospace_config         = qla2x00_iospace_config,
1931         .initialize_adapter     = qla2x00_initialize_adapter,
1932 };
1933
1934 static struct isp_operations qla81xx_isp_ops = {
1935         .pci_config             = qla25xx_pci_config,
1936         .reset_chip             = qla24xx_reset_chip,
1937         .chip_diag              = qla24xx_chip_diag,
1938         .config_rings           = qla24xx_config_rings,
1939         .reset_adapter          = qla24xx_reset_adapter,
1940         .nvram_config           = qla81xx_nvram_config,
1941         .update_fw_options      = qla81xx_update_fw_options,
1942         .load_risc              = qla81xx_load_risc,
1943         .pci_info_str           = qla24xx_pci_info_str,
1944         .fw_version_str         = qla24xx_fw_version_str,
1945         .intr_handler           = qla24xx_intr_handler,
1946         .enable_intrs           = qla24xx_enable_intrs,
1947         .disable_intrs          = qla24xx_disable_intrs,
1948         .abort_command          = qla24xx_abort_command,
1949         .target_reset           = qla24xx_abort_target,
1950         .lun_reset              = qla24xx_lun_reset,
1951         .fabric_login           = qla24xx_login_fabric,
1952         .fabric_logout          = qla24xx_fabric_logout,
1953         .calc_req_entries       = NULL,
1954         .build_iocbs            = NULL,
1955         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1956         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1957         .read_nvram             = NULL,
1958         .write_nvram            = NULL,
1959         .fw_dump                = qla81xx_fw_dump,
1960         .beacon_on              = qla24xx_beacon_on,
1961         .beacon_off             = qla24xx_beacon_off,
1962         .beacon_blink           = qla83xx_beacon_blink,
1963         .read_optrom            = qla25xx_read_optrom_data,
1964         .write_optrom           = qla24xx_write_optrom_data,
1965         .get_flash_version      = qla24xx_get_flash_version,
1966         .start_scsi             = qla24xx_dif_start_scsi,
1967         .abort_isp              = qla2x00_abort_isp,
1968         .iospace_config         = qla2x00_iospace_config,
1969         .initialize_adapter     = qla2x00_initialize_adapter,
1970 };
1971
1972 static struct isp_operations qla82xx_isp_ops = {
1973         .pci_config             = qla82xx_pci_config,
1974         .reset_chip             = qla82xx_reset_chip,
1975         .chip_diag              = qla24xx_chip_diag,
1976         .config_rings           = qla82xx_config_rings,
1977         .reset_adapter          = qla24xx_reset_adapter,
1978         .nvram_config           = qla81xx_nvram_config,
1979         .update_fw_options      = qla24xx_update_fw_options,
1980         .load_risc              = qla82xx_load_risc,
1981         .pci_info_str           = qla24xx_pci_info_str,
1982         .fw_version_str         = qla24xx_fw_version_str,
1983         .intr_handler           = qla82xx_intr_handler,
1984         .enable_intrs           = qla82xx_enable_intrs,
1985         .disable_intrs          = qla82xx_disable_intrs,
1986         .abort_command          = qla24xx_abort_command,
1987         .target_reset           = qla24xx_abort_target,
1988         .lun_reset              = qla24xx_lun_reset,
1989         .fabric_login           = qla24xx_login_fabric,
1990         .fabric_logout          = qla24xx_fabric_logout,
1991         .calc_req_entries       = NULL,
1992         .build_iocbs            = NULL,
1993         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1994         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1995         .read_nvram             = qla24xx_read_nvram_data,
1996         .write_nvram            = qla24xx_write_nvram_data,
1997         .fw_dump                = qla82xx_fw_dump,
1998         .beacon_on              = qla82xx_beacon_on,
1999         .beacon_off             = qla82xx_beacon_off,
2000         .beacon_blink           = NULL,
2001         .read_optrom            = qla82xx_read_optrom_data,
2002         .write_optrom           = qla82xx_write_optrom_data,
2003         .get_flash_version      = qla82xx_get_flash_version,
2004         .start_scsi             = qla82xx_start_scsi,
2005         .abort_isp              = qla82xx_abort_isp,
2006         .iospace_config         = qla82xx_iospace_config,
2007         .initialize_adapter     = qla2x00_initialize_adapter,
2008 };
2009
2010 static struct isp_operations qla8044_isp_ops = {
2011         .pci_config             = qla82xx_pci_config,
2012         .reset_chip             = qla82xx_reset_chip,
2013         .chip_diag              = qla24xx_chip_diag,
2014         .config_rings           = qla82xx_config_rings,
2015         .reset_adapter          = qla24xx_reset_adapter,
2016         .nvram_config           = qla81xx_nvram_config,
2017         .update_fw_options      = qla24xx_update_fw_options,
2018         .load_risc              = qla82xx_load_risc,
2019         .pci_info_str           = qla24xx_pci_info_str,
2020         .fw_version_str         = qla24xx_fw_version_str,
2021         .intr_handler           = qla8044_intr_handler,
2022         .enable_intrs           = qla82xx_enable_intrs,
2023         .disable_intrs          = qla82xx_disable_intrs,
2024         .abort_command          = qla24xx_abort_command,
2025         .target_reset           = qla24xx_abort_target,
2026         .lun_reset              = qla24xx_lun_reset,
2027         .fabric_login           = qla24xx_login_fabric,
2028         .fabric_logout          = qla24xx_fabric_logout,
2029         .calc_req_entries       = NULL,
2030         .build_iocbs            = NULL,
2031         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2032         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2033         .read_nvram             = NULL,
2034         .write_nvram            = NULL,
2035         .fw_dump                = qla8044_fw_dump,
2036         .beacon_on              = qla82xx_beacon_on,
2037         .beacon_off             = qla82xx_beacon_off,
2038         .beacon_blink           = NULL,
2039         .read_optrom            = qla8044_read_optrom_data,
2040         .write_optrom           = qla8044_write_optrom_data,
2041         .get_flash_version      = qla82xx_get_flash_version,
2042         .start_scsi             = qla82xx_start_scsi,
2043         .abort_isp              = qla8044_abort_isp,
2044         .iospace_config         = qla82xx_iospace_config,
2045         .initialize_adapter     = qla2x00_initialize_adapter,
2046 };
2047
2048 static struct isp_operations qla83xx_isp_ops = {
2049         .pci_config             = qla25xx_pci_config,
2050         .reset_chip             = qla24xx_reset_chip,
2051         .chip_diag              = qla24xx_chip_diag,
2052         .config_rings           = qla24xx_config_rings,
2053         .reset_adapter          = qla24xx_reset_adapter,
2054         .nvram_config           = qla81xx_nvram_config,
2055         .update_fw_options      = qla81xx_update_fw_options,
2056         .load_risc              = qla81xx_load_risc,
2057         .pci_info_str           = qla24xx_pci_info_str,
2058         .fw_version_str         = qla24xx_fw_version_str,
2059         .intr_handler           = qla24xx_intr_handler,
2060         .enable_intrs           = qla24xx_enable_intrs,
2061         .disable_intrs          = qla24xx_disable_intrs,
2062         .abort_command          = qla24xx_abort_command,
2063         .target_reset           = qla24xx_abort_target,
2064         .lun_reset              = qla24xx_lun_reset,
2065         .fabric_login           = qla24xx_login_fabric,
2066         .fabric_logout          = qla24xx_fabric_logout,
2067         .calc_req_entries       = NULL,
2068         .build_iocbs            = NULL,
2069         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2070         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2071         .read_nvram             = NULL,
2072         .write_nvram            = NULL,
2073         .fw_dump                = qla83xx_fw_dump,
2074         .beacon_on              = qla24xx_beacon_on,
2075         .beacon_off             = qla24xx_beacon_off,
2076         .beacon_blink           = qla83xx_beacon_blink,
2077         .read_optrom            = qla25xx_read_optrom_data,
2078         .write_optrom           = qla24xx_write_optrom_data,
2079         .get_flash_version      = qla24xx_get_flash_version,
2080         .start_scsi             = qla24xx_dif_start_scsi,
2081         .abort_isp              = qla2x00_abort_isp,
2082         .iospace_config         = qla83xx_iospace_config,
2083         .initialize_adapter     = qla2x00_initialize_adapter,
2084 };
2085
2086 static struct isp_operations qlafx00_isp_ops = {
2087         .pci_config             = qlafx00_pci_config,
2088         .reset_chip             = qlafx00_soft_reset,
2089         .chip_diag              = qlafx00_chip_diag,
2090         .config_rings           = qlafx00_config_rings,
2091         .reset_adapter          = qlafx00_soft_reset,
2092         .nvram_config           = NULL,
2093         .update_fw_options      = NULL,
2094         .load_risc              = NULL,
2095         .pci_info_str           = qlafx00_pci_info_str,
2096         .fw_version_str         = qlafx00_fw_version_str,
2097         .intr_handler           = qlafx00_intr_handler,
2098         .enable_intrs           = qlafx00_enable_intrs,
2099         .disable_intrs          = qlafx00_disable_intrs,
2100         .abort_command          = qla24xx_async_abort_command,
2101         .target_reset           = qlafx00_abort_target,
2102         .lun_reset              = qlafx00_lun_reset,
2103         .fabric_login           = NULL,
2104         .fabric_logout          = NULL,
2105         .calc_req_entries       = NULL,
2106         .build_iocbs            = NULL,
2107         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2108         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2109         .read_nvram             = qla24xx_read_nvram_data,
2110         .write_nvram            = qla24xx_write_nvram_data,
2111         .fw_dump                = NULL,
2112         .beacon_on              = qla24xx_beacon_on,
2113         .beacon_off             = qla24xx_beacon_off,
2114         .beacon_blink           = NULL,
2115         .read_optrom            = qla24xx_read_optrom_data,
2116         .write_optrom           = qla24xx_write_optrom_data,
2117         .get_flash_version      = qla24xx_get_flash_version,
2118         .start_scsi             = qlafx00_start_scsi,
2119         .abort_isp              = qlafx00_abort_isp,
2120         .iospace_config         = qlafx00_iospace_config,
2121         .initialize_adapter     = qlafx00_initialize_adapter,
2122 };
2123
2124 static struct isp_operations qla27xx_isp_ops = {
2125         .pci_config             = qla25xx_pci_config,
2126         .reset_chip             = qla24xx_reset_chip,
2127         .chip_diag              = qla24xx_chip_diag,
2128         .config_rings           = qla24xx_config_rings,
2129         .reset_adapter          = qla24xx_reset_adapter,
2130         .nvram_config           = qla81xx_nvram_config,
2131         .update_fw_options      = qla81xx_update_fw_options,
2132         .load_risc              = qla81xx_load_risc,
2133         .pci_info_str           = qla24xx_pci_info_str,
2134         .fw_version_str         = qla24xx_fw_version_str,
2135         .intr_handler           = qla24xx_intr_handler,
2136         .enable_intrs           = qla24xx_enable_intrs,
2137         .disable_intrs          = qla24xx_disable_intrs,
2138         .abort_command          = qla24xx_abort_command,
2139         .target_reset           = qla24xx_abort_target,
2140         .lun_reset              = qla24xx_lun_reset,
2141         .fabric_login           = qla24xx_login_fabric,
2142         .fabric_logout          = qla24xx_fabric_logout,
2143         .calc_req_entries       = NULL,
2144         .build_iocbs            = NULL,
2145         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2146         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2147         .read_nvram             = NULL,
2148         .write_nvram            = NULL,
2149         .fw_dump                = qla27xx_fwdump,
2150         .beacon_on              = qla24xx_beacon_on,
2151         .beacon_off             = qla24xx_beacon_off,
2152         .beacon_blink           = qla83xx_beacon_blink,
2153         .read_optrom            = qla25xx_read_optrom_data,
2154         .write_optrom           = qla24xx_write_optrom_data,
2155         .get_flash_version      = qla24xx_get_flash_version,
2156         .start_scsi             = qla24xx_dif_start_scsi,
2157         .abort_isp              = qla2x00_abort_isp,
2158         .iospace_config         = qla83xx_iospace_config,
2159         .initialize_adapter     = qla2x00_initialize_adapter,
2160 };
2161
2162 static inline void
2163 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2164 {
2165         ha->device_type = DT_EXTENDED_IDS;
2166         switch (ha->pdev->device) {
2167         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2168                 ha->isp_type |= DT_ISP2100;
2169                 ha->device_type &= ~DT_EXTENDED_IDS;
2170                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2171                 break;
2172         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2173                 ha->isp_type |= DT_ISP2200;
2174                 ha->device_type &= ~DT_EXTENDED_IDS;
2175                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2176                 break;
2177         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2178                 ha->isp_type |= DT_ISP2300;
2179                 ha->device_type |= DT_ZIO_SUPPORTED;
2180                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2181                 break;
2182         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2183                 ha->isp_type |= DT_ISP2312;
2184                 ha->device_type |= DT_ZIO_SUPPORTED;
2185                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2186                 break;
2187         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2188                 ha->isp_type |= DT_ISP2322;
2189                 ha->device_type |= DT_ZIO_SUPPORTED;
2190                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2191                     ha->pdev->subsystem_device == 0x0170)
2192                         ha->device_type |= DT_OEM_001;
2193                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2194                 break;
2195         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2196                 ha->isp_type |= DT_ISP6312;
2197                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2198                 break;
2199         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2200                 ha->isp_type |= DT_ISP6322;
2201                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2202                 break;
2203         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2204                 ha->isp_type |= DT_ISP2422;
2205                 ha->device_type |= DT_ZIO_SUPPORTED;
2206                 ha->device_type |= DT_FWI2;
2207                 ha->device_type |= DT_IIDMA;
2208                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2209                 break;
2210         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2211                 ha->isp_type |= DT_ISP2432;
2212                 ha->device_type |= DT_ZIO_SUPPORTED;
2213                 ha->device_type |= DT_FWI2;
2214                 ha->device_type |= DT_IIDMA;
2215                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2216                 break;
2217         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2218                 ha->isp_type |= DT_ISP8432;
2219                 ha->device_type |= DT_ZIO_SUPPORTED;
2220                 ha->device_type |= DT_FWI2;
2221                 ha->device_type |= DT_IIDMA;
2222                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2223                 break;
2224         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2225                 ha->isp_type |= DT_ISP5422;
2226                 ha->device_type |= DT_FWI2;
2227                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2228                 break;
2229         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2230                 ha->isp_type |= DT_ISP5432;
2231                 ha->device_type |= DT_FWI2;
2232                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2233                 break;
2234         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2235                 ha->isp_type |= DT_ISP2532;
2236                 ha->device_type |= DT_ZIO_SUPPORTED;
2237                 ha->device_type |= DT_FWI2;
2238                 ha->device_type |= DT_IIDMA;
2239                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2240                 break;
2241         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2242                 ha->isp_type |= DT_ISP8001;
2243                 ha->device_type |= DT_ZIO_SUPPORTED;
2244                 ha->device_type |= DT_FWI2;
2245                 ha->device_type |= DT_IIDMA;
2246                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2247                 break;
2248         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2249                 ha->isp_type |= DT_ISP8021;
2250                 ha->device_type |= DT_ZIO_SUPPORTED;
2251                 ha->device_type |= DT_FWI2;
2252                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2253                 /* Initialize 82XX ISP flags */
2254                 qla82xx_init_flags(ha);
2255                 break;
2256          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2257                 ha->isp_type |= DT_ISP8044;
2258                 ha->device_type |= DT_ZIO_SUPPORTED;
2259                 ha->device_type |= DT_FWI2;
2260                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2261                 /* Initialize 82XX ISP flags */
2262                 qla82xx_init_flags(ha);
2263                 break;
2264         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2265                 ha->isp_type |= DT_ISP2031;
2266                 ha->device_type |= DT_ZIO_SUPPORTED;
2267                 ha->device_type |= DT_FWI2;
2268                 ha->device_type |= DT_IIDMA;
2269                 ha->device_type |= DT_T10_PI;
2270                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2271                 break;
2272         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2273                 ha->isp_type |= DT_ISP8031;
2274                 ha->device_type |= DT_ZIO_SUPPORTED;
2275                 ha->device_type |= DT_FWI2;
2276                 ha->device_type |= DT_IIDMA;
2277                 ha->device_type |= DT_T10_PI;
2278                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2279                 break;
2280         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2281                 ha->isp_type |= DT_ISPFX00;
2282                 break;
2283         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2284                 ha->isp_type |= DT_ISP2071;
2285                 ha->device_type |= DT_ZIO_SUPPORTED;
2286                 ha->device_type |= DT_FWI2;
2287                 ha->device_type |= DT_IIDMA;
2288                 ha->device_type |= DT_T10_PI;
2289                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2290                 break;
2291         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2292                 ha->isp_type |= DT_ISP2271;
2293                 ha->device_type |= DT_ZIO_SUPPORTED;
2294                 ha->device_type |= DT_FWI2;
2295                 ha->device_type |= DT_IIDMA;
2296                 ha->device_type |= DT_T10_PI;
2297                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2298                 break;
2299         case PCI_DEVICE_ID_QLOGIC_ISP2261:
2300                 ha->isp_type |= DT_ISP2261;
2301                 ha->device_type |= DT_ZIO_SUPPORTED;
2302                 ha->device_type |= DT_FWI2;
2303                 ha->device_type |= DT_IIDMA;
2304                 ha->device_type |= DT_T10_PI;
2305                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2306                 break;
2307         }
2308
2309         if (IS_QLA82XX(ha))
2310                 ha->port_no = ha->portnum & 1;
2311         else {
2312                 /* Get adapter physical port no from interrupt pin register. */
2313                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2314                 if (IS_QLA27XX(ha))
2315                         ha->port_no--;
2316                 else
2317                         ha->port_no = !(ha->port_no & 1);
2318         }
2319
2320         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2321             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2322             ha->device_type, ha->port_no, ha->fw_srisc_address);
2323 }
2324
2325 static void
2326 qla2xxx_scan_start(struct Scsi_Host *shost)
2327 {
2328         scsi_qla_host_t *vha = shost_priv(shost);
2329
2330         if (vha->hw->flags.running_gold_fw)
2331                 return;
2332
2333         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2334         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2335         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2336         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2337 }
2338
2339 static int
2340 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2341 {
2342         scsi_qla_host_t *vha = shost_priv(shost);
2343
2344         if (!vha->host)
2345                 return 1;
2346         if (time > vha->hw->loop_reset_delay * HZ)
2347                 return 1;
2348
2349         return atomic_read(&vha->loop_state) == LOOP_READY;
2350 }
2351
2352 /*
2353  * PCI driver interface
2354  */
2355 static int
2356 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2357 {
2358         int     ret = -ENODEV;
2359         struct Scsi_Host *host;
2360         scsi_qla_host_t *base_vha = NULL;
2361         struct qla_hw_data *ha;
2362         char pci_info[30];
2363         char fw_str[30], wq_name[30];
2364         struct scsi_host_template *sht;
2365         int bars, mem_only = 0;
2366         uint16_t req_length = 0, rsp_length = 0;
2367         struct req_que *req = NULL;
2368         struct rsp_que *rsp = NULL;
2369         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2370         sht = &qla2xxx_driver_template;
2371         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2372             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2373             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2374             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2375             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2376             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2377             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2378             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2379             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2380             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2381             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2382             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2383             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2384             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2385             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2386                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2387                 mem_only = 1;
2388                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2389                     "Mem only adapter.\n");
2390         }
2391         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2392             "Bars=%d.\n", bars);
2393
2394         if (mem_only) {
2395                 if (pci_enable_device_mem(pdev))
2396                         goto probe_out;
2397         } else {
2398                 if (pci_enable_device(pdev))
2399                         goto probe_out;
2400         }
2401
2402         /* This may fail but that's ok */
2403         pci_enable_pcie_error_reporting(pdev);
2404
2405         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2406         if (!ha) {
2407                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2408                     "Unable to allocate memory for ha.\n");
2409                 goto probe_out;
2410         }
2411         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2412             "Memory allocated for ha=%p.\n", ha);
2413         ha->pdev = pdev;
2414         ha->tgt.enable_class_2 = ql2xenableclass2;
2415         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2416         spin_lock_init(&ha->tgt.q_full_lock);
2417         spin_lock_init(&ha->tgt.sess_lock);
2418         spin_lock_init(&ha->tgt.atio_lock);
2419
2420
2421         /* Clear our data area */
2422         ha->bars = bars;
2423         ha->mem_only = mem_only;
2424         spin_lock_init(&ha->hardware_lock);
2425         spin_lock_init(&ha->vport_slock);
2426         mutex_init(&ha->selflogin_lock);
2427         mutex_init(&ha->optrom_mutex);
2428
2429         /* Set ISP-type information. */
2430         qla2x00_set_isp_flags(ha);
2431
2432         /* Set EEH reset type to fundamental if required by hba */
2433         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2434             IS_QLA83XX(ha) || IS_QLA27XX(ha))
2435                 pdev->needs_freset = 1;
2436
2437         ha->prev_topology = 0;
2438         ha->init_cb_size = sizeof(init_cb_t);
2439         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2440         ha->optrom_size = OPTROM_SIZE_2300;
2441
2442         /* Assign ISP specific operations. */
2443         if (IS_QLA2100(ha)) {
2444                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2445                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2446                 req_length = REQUEST_ENTRY_CNT_2100;
2447                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2448                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2449                 ha->gid_list_info_size = 4;
2450                 ha->flash_conf_off = ~0;
2451                 ha->flash_data_off = ~0;
2452                 ha->nvram_conf_off = ~0;
2453                 ha->nvram_data_off = ~0;
2454                 ha->isp_ops = &qla2100_isp_ops;
2455         } else if (IS_QLA2200(ha)) {
2456                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2457                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2458                 req_length = REQUEST_ENTRY_CNT_2200;
2459                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2460                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2461                 ha->gid_list_info_size = 4;
2462                 ha->flash_conf_off = ~0;
2463                 ha->flash_data_off = ~0;
2464                 ha->nvram_conf_off = ~0;
2465                 ha->nvram_data_off = ~0;
2466                 ha->isp_ops = &qla2100_isp_ops;
2467         } else if (IS_QLA23XX(ha)) {
2468                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2469                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2470                 req_length = REQUEST_ENTRY_CNT_2200;
2471                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2472                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2473                 ha->gid_list_info_size = 6;
2474                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2475                         ha->optrom_size = OPTROM_SIZE_2322;
2476                 ha->flash_conf_off = ~0;
2477                 ha->flash_data_off = ~0;
2478                 ha->nvram_conf_off = ~0;
2479                 ha->nvram_data_off = ~0;
2480                 ha->isp_ops = &qla2300_isp_ops;
2481         } else if (IS_QLA24XX_TYPE(ha)) {
2482                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2483                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2484                 req_length = REQUEST_ENTRY_CNT_24XX;
2485                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2486                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2487                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2488                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2489                 ha->gid_list_info_size = 8;
2490                 ha->optrom_size = OPTROM_SIZE_24XX;
2491                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2492                 ha->isp_ops = &qla24xx_isp_ops;
2493                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2494                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2495                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2496                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2497         } else if (IS_QLA25XX(ha)) {
2498                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2499                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2500                 req_length = REQUEST_ENTRY_CNT_24XX;
2501                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2502                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2503                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2504                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2505                 ha->gid_list_info_size = 8;
2506                 ha->optrom_size = OPTROM_SIZE_25XX;
2507                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2508                 ha->isp_ops = &qla25xx_isp_ops;
2509                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2510                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2511                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2512                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2513         } else if (IS_QLA81XX(ha)) {
2514                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2515                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2516                 req_length = REQUEST_ENTRY_CNT_24XX;
2517                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2518                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2519                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2520                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2521                 ha->gid_list_info_size = 8;
2522                 ha->optrom_size = OPTROM_SIZE_81XX;
2523                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2524                 ha->isp_ops = &qla81xx_isp_ops;
2525                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2526                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2527                 ha->nvram_conf_off = ~0;
2528                 ha->nvram_data_off = ~0;
2529         } else if (IS_QLA82XX(ha)) {
2530                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2531                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2532                 req_length = REQUEST_ENTRY_CNT_82XX;
2533                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2534                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2535                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2536                 ha->gid_list_info_size = 8;
2537                 ha->optrom_size = OPTROM_SIZE_82XX;
2538                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2539                 ha->isp_ops = &qla82xx_isp_ops;
2540                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2541                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2542                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2543                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2544         } else if (IS_QLA8044(ha)) {
2545                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2546                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2547                 req_length = REQUEST_ENTRY_CNT_82XX;
2548                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2549                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2550                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2551                 ha->gid_list_info_size = 8;
2552                 ha->optrom_size = OPTROM_SIZE_83XX;
2553                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2554                 ha->isp_ops = &qla8044_isp_ops;
2555                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2556                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2557                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2558                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2559         } else if (IS_QLA83XX(ha)) {
2560                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2561                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2562                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2563                 req_length = REQUEST_ENTRY_CNT_83XX;
2564                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2565                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2566                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2567                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2568                 ha->gid_list_info_size = 8;
2569                 ha->optrom_size = OPTROM_SIZE_83XX;
2570                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2571                 ha->isp_ops = &qla83xx_isp_ops;
2572                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2573                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2574                 ha->nvram_conf_off = ~0;
2575                 ha->nvram_data_off = ~0;
2576         }  else if (IS_QLAFX00(ha)) {
2577                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2578                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2579                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2580                 req_length = REQUEST_ENTRY_CNT_FX00;
2581                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2582                 ha->isp_ops = &qlafx00_isp_ops;
2583                 ha->port_down_retry_count = 30; /* default value */
2584                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2585                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2586                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2587                 ha->mr.fw_hbt_en = 1;
2588                 ha->mr.host_info_resend = false;
2589                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2590         } else if (IS_QLA27XX(ha)) {
2591                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2592                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2593                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2594                 req_length = REQUEST_ENTRY_CNT_83XX;
2595                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2596                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2597                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2598                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2599                 ha->gid_list_info_size = 8;
2600                 ha->optrom_size = OPTROM_SIZE_83XX;
2601                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2602                 ha->isp_ops = &qla27xx_isp_ops;
2603                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2604                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2605                 ha->nvram_conf_off = ~0;
2606                 ha->nvram_data_off = ~0;
2607         }
2608
2609         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2610             "mbx_count=%d, req_length=%d, "
2611             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2612             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2613             "max_fibre_devices=%d.\n",
2614             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2615             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2616             ha->nvram_npiv_size, ha->max_fibre_devices);
2617         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2618             "isp_ops=%p, flash_conf_off=%d, "
2619             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2620             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2621             ha->nvram_conf_off, ha->nvram_data_off);
2622
2623         /* Configure PCI I/O space */
2624         ret = ha->isp_ops->iospace_config(ha);
2625         if (ret)
2626                 goto iospace_config_failed;
2627
2628         ql_log_pci(ql_log_info, pdev, 0x001d,
2629             "Found an ISP%04X irq %d iobase 0x%p.\n",
2630             pdev->device, pdev->irq, ha->iobase);
2631         mutex_init(&ha->vport_lock);
2632         init_completion(&ha->mbx_cmd_comp);
2633         complete(&ha->mbx_cmd_comp);
2634         init_completion(&ha->mbx_intr_comp);
2635         init_completion(&ha->dcbx_comp);
2636         init_completion(&ha->lb_portup_comp);
2637
2638         set_bit(0, (unsigned long *) ha->vp_idx_map);
2639
2640         qla2x00_config_dma_addressing(ha);
2641         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2642             "64 Bit addressing is %s.\n",
2643             ha->flags.enable_64bit_addressing ? "enable" :
2644             "disable");
2645         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2646         if (ret) {
2647                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2648                     "Failed to allocate memory for adapter, aborting.\n");
2649
2650                 goto probe_hw_failed;
2651         }
2652
2653         req->max_q_depth = MAX_Q_DEPTH;
2654         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2655                 req->max_q_depth = ql2xmaxqdepth;
2656
2657
2658         base_vha = qla2x00_create_host(sht, ha);
2659         if (!base_vha) {
2660                 ret = -ENOMEM;
2661                 qla2x00_mem_free(ha);
2662                 qla2x00_free_req_que(ha, req);
2663                 qla2x00_free_rsp_que(ha, rsp);
2664                 goto probe_hw_failed;
2665         }
2666
2667         pci_set_drvdata(pdev, base_vha);
2668         set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2669
2670         host = base_vha->host;
2671         base_vha->req = req;
2672         if (IS_QLA2XXX_MIDTYPE(ha))
2673                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2674         else
2675                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2676                                                 base_vha->vp_idx;
2677
2678         /* Setup fcport template structure. */
2679         ha->mr.fcport.vha = base_vha;
2680         ha->mr.fcport.port_type = FCT_UNKNOWN;
2681         ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2682         qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2683         ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2684         ha->mr.fcport.scan_state = 1;
2685
2686         /* Set the SG table size based on ISP type */
2687         if (!IS_FWI2_CAPABLE(ha)) {
2688                 if (IS_QLA2100(ha))
2689                         host->sg_tablesize = 32;
2690         } else {
2691                 if (!IS_QLA82XX(ha))
2692                         host->sg_tablesize = QLA_SG_ALL;
2693         }
2694         host->max_id = ha->max_fibre_devices;
2695         host->cmd_per_lun = 3;
2696         host->unique_id = host->host_no;
2697         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2698                 host->max_cmd_len = 32;
2699         else
2700                 host->max_cmd_len = MAX_CMDSZ;
2701         host->max_channel = MAX_BUSES - 1;
2702         /* Older HBAs support only 16-bit LUNs */
2703         if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2704             ql2xmaxlun > 0xffff)
2705                 host->max_lun = 0xffff;
2706         else
2707                 host->max_lun = ql2xmaxlun;
2708         host->transportt = qla2xxx_transport_template;
2709         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2710
2711         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2712             "max_id=%d this_id=%d "
2713             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2714             "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2715             host->this_id, host->cmd_per_lun, host->unique_id,
2716             host->max_cmd_len, host->max_channel, host->max_lun,
2717             host->transportt, sht->vendor_id);
2718
2719 que_init:
2720         /* Alloc arrays of request and response ring ptrs */
2721         if (!qla2x00_alloc_queues(ha, req, rsp)) {
2722                 ql_log(ql_log_fatal, base_vha, 0x003d,
2723                     "Failed to allocate memory for queue pointers..."
2724                     "aborting.\n");
2725                 goto probe_init_failed;
2726         }
2727
2728         qlt_probe_one_stage1(base_vha, ha);
2729
2730         /* Set up the irqs */
2731         ret = qla2x00_request_irqs(ha, rsp);
2732         if (ret)
2733                 goto probe_init_failed;
2734
2735         pci_save_state(pdev);
2736
2737         /* Assign back pointers */
2738         rsp->req = req;
2739         req->rsp = rsp;
2740
2741         if (IS_QLAFX00(ha)) {
2742                 ha->rsp_q_map[0] = rsp;
2743                 ha->req_q_map[0] = req;
2744                 set_bit(0, ha->req_qid_map);
2745                 set_bit(0, ha->rsp_qid_map);
2746         }
2747
2748         /* FWI2-capable only. */
2749         req->req_q_in = &ha->iobase->isp24.req_q_in;
2750         req->req_q_out = &ha->iobase->isp24.req_q_out;
2751         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2752         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2753         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2754                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2755                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2756                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2757                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2758         }
2759
2760         if (IS_QLAFX00(ha)) {
2761                 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2762                 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2763                 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2764                 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2765         }
2766
2767         if (IS_P3P_TYPE(ha)) {
2768                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2769                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2770                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2771         }
2772
2773         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2774             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2775             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2776         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2777             "req->req_q_in=%p req->req_q_out=%p "
2778             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2779             req->req_q_in, req->req_q_out,
2780             rsp->rsp_q_in, rsp->rsp_q_out);
2781         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2782             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2783             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2784         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2785             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2786             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2787
2788         if (ha->isp_ops->initialize_adapter(base_vha)) {
2789                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2790                     "Failed to initialize adapter - Adapter flags %x.\n",
2791                     base_vha->device_flags);
2792
2793                 if (IS_QLA82XX(ha)) {
2794                         qla82xx_idc_lock(ha);
2795                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2796                                 QLA8XXX_DEV_FAILED);
2797                         qla82xx_idc_unlock(ha);
2798                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2799                             "HW State: FAILED.\n");
2800                 } else if (IS_QLA8044(ha)) {
2801                         qla8044_idc_lock(ha);
2802                         qla8044_wr_direct(base_vha,
2803                                 QLA8044_CRB_DEV_STATE_INDEX,
2804                                 QLA8XXX_DEV_FAILED);
2805                         qla8044_idc_unlock(ha);
2806                         ql_log(ql_log_fatal, base_vha, 0x0150,
2807                             "HW State: FAILED.\n");
2808                 }
2809
2810                 ret = -ENODEV;
2811                 goto probe_failed;
2812         }
2813
2814         if (IS_QLAFX00(ha))
2815                 host->can_queue = QLAFX00_MAX_CANQUEUE;
2816         else
2817                 host->can_queue = req->num_outstanding_cmds - 10;
2818
2819         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2820             "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2821             host->can_queue, base_vha->req,
2822             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2823
2824         if (ha->mqenable) {
2825                 if (qla25xx_setup_mode(base_vha)) {
2826                         ql_log(ql_log_warn, base_vha, 0x00ec,
2827                             "Failed to create queues, falling back to single queue mode.\n");
2828                         goto que_init;
2829                 }
2830         }
2831
2832         if (ha->flags.running_gold_fw)
2833                 goto skip_dpc;
2834
2835         /*
2836          * Startup the kernel thread for this host adapter
2837          */
2838         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2839             "%s_dpc", base_vha->host_str);
2840         if (IS_ERR(ha->dpc_thread)) {
2841                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2842                     "Failed to start DPC thread.\n");
2843                 ret = PTR_ERR(ha->dpc_thread);
2844                 goto probe_failed;
2845         }
2846         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2847             "DPC thread started successfully.\n");
2848
2849         /*
2850          * If we're not coming up in initiator mode, we might sit for
2851          * a while without waking up the dpc thread, which leads to a
2852          * stuck process warning.  So just kick the dpc once here and
2853          * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2854          */
2855         qla2xxx_wake_dpc(base_vha);
2856
2857         INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2858
2859         if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2860                 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2861                 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2862                 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2863
2864                 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2865                 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2866                 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2867                 INIT_WORK(&ha->idc_state_handler,
2868                     qla83xx_idc_state_handler_work);
2869                 INIT_WORK(&ha->nic_core_unrecoverable,
2870                     qla83xx_nic_core_unrecoverable_work);
2871         }
2872
2873 skip_dpc:
2874         list_add_tail(&base_vha->list, &ha->vp_list);
2875         base_vha->host->irq = ha->pdev->irq;
2876
2877         /* Initialized the timer */
2878         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2879         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2880             "Started qla2x00_timer with "
2881             "interval=%d.\n", WATCH_INTERVAL);
2882         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2883             "Detected hba at address=%p.\n",
2884             ha);
2885
2886         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2887                 if (ha->fw_attributes & BIT_4) {
2888                         int prot = 0, guard;
2889                         base_vha->flags.difdix_supported = 1;
2890                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2891                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2892                         if (ql2xenabledif == 1)
2893                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2894                         scsi_host_set_prot(host,
2895                             prot | SHOST_DIF_TYPE1_PROTECTION
2896                             | SHOST_DIF_TYPE2_PROTECTION
2897                             | SHOST_DIF_TYPE3_PROTECTION
2898                             | SHOST_DIX_TYPE1_PROTECTION
2899                             | SHOST_DIX_TYPE2_PROTECTION
2900                             | SHOST_DIX_TYPE3_PROTECTION);
2901
2902                         guard = SHOST_DIX_GUARD_CRC;
2903
2904                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
2905                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2906                                 guard |= SHOST_DIX_GUARD_IP;
2907
2908                         scsi_host_set_guard(host, guard);
2909                 } else
2910                         base_vha->flags.difdix_supported = 0;
2911         }
2912
2913         ha->isp_ops->enable_intrs(ha);
2914
2915         if (IS_QLAFX00(ha)) {
2916                 ret = qlafx00_fx_disc(base_vha,
2917                         &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2918                 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2919                     QLA_SG_ALL : 128;
2920         }
2921
2922         ret = scsi_add_host(host, &pdev->dev);
2923         if (ret)
2924                 goto probe_failed;
2925
2926         base_vha->flags.init_done = 1;
2927         base_vha->flags.online = 1;
2928         ha->prev_minidump_failed = 0;
2929
2930         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2931             "Init done and hba is online.\n");
2932
2933         if (qla_ini_mode_enabled(base_vha))
2934                 scsi_scan_host(host);
2935         else
2936                 ql_dbg(ql_dbg_init, base_vha, 0x0122,
2937                         "skipping scsi_scan_host() for non-initiator port\n");
2938
2939         qla2x00_alloc_sysfs_attr(base_vha);
2940
2941         if (IS_QLAFX00(ha)) {
2942                 ret = qlafx00_fx_disc(base_vha,
2943                         &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2944
2945                 /* Register system information */
2946                 ret =  qlafx00_fx_disc(base_vha,
2947                         &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2948         }
2949
2950         qla2x00_init_host_attr(base_vha);
2951
2952         qla2x00_dfs_setup(base_vha);
2953
2954         ql_log(ql_log_info, base_vha, 0x00fb,
2955             "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2956         ql_log(ql_log_info, base_vha, 0x00fc,
2957             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2958             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2959             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2960             base_vha->host_no,
2961             ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2962
2963         qlt_add_target(ha, base_vha);
2964
2965         clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2966
2967         if (test_bit(UNLOADING, &base_vha->dpc_flags))
2968                 return -ENODEV;
2969
2970         return 0;
2971
2972 probe_init_failed:
2973         qla2x00_free_req_que(ha, req);
2974         ha->req_q_map[0] = NULL;
2975         clear_bit(0, ha->req_qid_map);
2976         qla2x00_free_rsp_que(ha, rsp);
2977         ha->rsp_q_map[0] = NULL;
2978         clear_bit(0, ha->rsp_qid_map);
2979         ha->max_req_queues = ha->max_rsp_queues = 0;
2980
2981 probe_failed:
2982         if (base_vha->timer_active)
2983                 qla2x00_stop_timer(base_vha);
2984         base_vha->flags.online = 0;
2985         if (ha->dpc_thread) {
2986                 struct task_struct *t = ha->dpc_thread;
2987
2988                 ha->dpc_thread = NULL;
2989                 kthread_stop(t);
2990         }
2991
2992         qla2x00_free_device(base_vha);
2993
2994         scsi_host_put(base_vha->host);
2995
2996 probe_hw_failed:
2997         qla2x00_clear_drv_active(ha);
2998
2999 iospace_config_failed:
3000         if (IS_P3P_TYPE(ha)) {
3001                 if (!ha->nx_pcibase)
3002                         iounmap((device_reg_t *)ha->nx_pcibase);
3003                 if (!ql2xdbwr)
3004                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3005         } else {
3006                 if (ha->iobase)
3007                         iounmap(ha->iobase);
3008                 if (ha->cregbase)
3009                         iounmap(ha->cregbase);
3010         }
3011         pci_release_selected_regions(ha->pdev, ha->bars);
3012         kfree(ha);
3013         ha = NULL;
3014
3015 probe_out:
3016         pci_disable_device(pdev);
3017         return ret;
3018 }
3019
3020 static void
3021 qla2x00_shutdown(struct pci_dev *pdev)
3022 {
3023         scsi_qla_host_t *vha;
3024         struct qla_hw_data  *ha;
3025
3026         if (!atomic_read(&pdev->enable_cnt))
3027                 return;
3028
3029         vha = pci_get_drvdata(pdev);
3030         ha = vha->hw;
3031
3032         /* Notify ISPFX00 firmware */
3033         if (IS_QLAFX00(ha))
3034                 qlafx00_driver_shutdown(vha, 20);
3035
3036         /* Turn-off FCE trace */
3037         if (ha->flags.fce_enabled) {
3038                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3039                 ha->flags.fce_enabled = 0;
3040         }
3041
3042         /* Turn-off EFT trace */
3043         if (ha->eft)
3044                 qla2x00_disable_eft_trace(vha);
3045
3046         /* Stop currently executing firmware. */
3047         qla2x00_try_to_stop_firmware(vha);
3048
3049         /* Turn adapter off line */
3050         vha->flags.online = 0;
3051
3052         /* turn-off interrupts on the card */
3053         if (ha->interrupts_on) {
3054                 vha->flags.init_done = 0;
3055                 ha->isp_ops->disable_intrs(ha);
3056         }
3057
3058         qla2x00_free_irqs(vha);
3059
3060         qla2x00_free_fw_dump(ha);
3061
3062         pci_disable_pcie_error_reporting(pdev);
3063         pci_disable_device(pdev);
3064 }
3065
3066 /* Deletes all the virtual ports for a given ha */
3067 static void
3068 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3069 {
3070         scsi_qla_host_t *vha;
3071         unsigned long flags;
3072
3073         mutex_lock(&ha->vport_lock);
3074         while (ha->cur_vport_count) {
3075                 spin_lock_irqsave(&ha->vport_slock, flags);
3076
3077                 BUG_ON(base_vha->list.next == &ha->vp_list);
3078                 /* This assumes first entry in ha->vp_list is always base vha */
3079                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3080                 scsi_host_get(vha->host);
3081
3082                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3083                 mutex_unlock(&ha->vport_lock);
3084
3085                 fc_vport_terminate(vha->fc_vport);
3086                 scsi_host_put(vha->host);
3087
3088                 mutex_lock(&ha->vport_lock);
3089         }
3090         mutex_unlock(&ha->vport_lock);
3091 }
3092
3093 /* Stops all deferred work threads */
3094 static void
3095 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3096 {
3097         /* Flush the work queue and remove it */
3098         if (ha->wq) {
3099                 flush_workqueue(ha->wq);
3100                 destroy_workqueue(ha->wq);
3101                 ha->wq = NULL;
3102         }
3103
3104         /* Cancel all work and destroy DPC workqueues */
3105         if (ha->dpc_lp_wq) {
3106                 cancel_work_sync(&ha->idc_aen);
3107                 destroy_workqueue(ha->dpc_lp_wq);
3108                 ha->dpc_lp_wq = NULL;
3109         }
3110
3111         if (ha->dpc_hp_wq) {
3112                 cancel_work_sync(&ha->nic_core_reset);
3113                 cancel_work_sync(&ha->idc_state_handler);
3114                 cancel_work_sync(&ha->nic_core_unrecoverable);
3115                 destroy_workqueue(ha->dpc_hp_wq);
3116                 ha->dpc_hp_wq = NULL;
3117         }
3118
3119         /* Kill the kernel thread for this host */
3120         if (ha->dpc_thread) {
3121                 struct task_struct *t = ha->dpc_thread;
3122
3123                 /*
3124                  * qla2xxx_wake_dpc checks for ->dpc_thread
3125                  * so we need to zero it out.
3126                  */
3127                 ha->dpc_thread = NULL;
3128                 kthread_stop(t);
3129         }
3130 }
3131
3132 static void
3133 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3134 {
3135         if (IS_QLA82XX(ha)) {
3136
3137                 iounmap((device_reg_t *)ha->nx_pcibase);
3138                 if (!ql2xdbwr)
3139                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3140         } else {
3141                 if (ha->iobase)
3142                         iounmap(ha->iobase);
3143
3144                 if (ha->cregbase)
3145                         iounmap(ha->cregbase);
3146
3147                 if (ha->mqiobase)
3148                         iounmap(ha->mqiobase);
3149
3150                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3151                         iounmap(ha->msixbase);
3152         }
3153 }
3154
3155 static void
3156 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3157 {
3158         if (IS_QLA8044(ha)) {
3159                 qla8044_idc_lock(ha);
3160                 qla8044_clear_drv_active(ha);
3161                 qla8044_idc_unlock(ha);
3162         } else if (IS_QLA82XX(ha)) {
3163                 qla82xx_idc_lock(ha);
3164                 qla82xx_clear_drv_active(ha);
3165                 qla82xx_idc_unlock(ha);
3166         }
3167 }
3168
3169 static void
3170 qla2x00_remove_one(struct pci_dev *pdev)
3171 {
3172         scsi_qla_host_t *base_vha;
3173         struct qla_hw_data  *ha;
3174
3175         base_vha = pci_get_drvdata(pdev);
3176         ha = base_vha->hw;
3177
3178         /* Indicate device removal to prevent future board_disable and wait
3179          * until any pending board_disable has completed. */
3180         set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3181         cancel_work_sync(&ha->board_disable);
3182
3183         /*
3184          * If the PCI device is disabled then there was a PCI-disconnect and
3185          * qla2x00_disable_board_on_pci_error has taken care of most of the
3186          * resources.
3187          */
3188         if (!atomic_read(&pdev->enable_cnt)) {
3189                 scsi_host_put(base_vha->host);
3190                 kfree(ha);
3191                 pci_set_drvdata(pdev, NULL);
3192                 return;
3193         }
3194
3195         qla2x00_wait_for_hba_ready(base_vha);
3196
3197         /* if UNLOAD flag is already set, then continue unload,
3198          * where it was set first.
3199          */
3200         if (test_bit(UNLOADING, &base_vha->dpc_flags))
3201                 return;
3202
3203         set_bit(UNLOADING, &base_vha->dpc_flags);
3204
3205         if (IS_QLAFX00(ha))
3206                 qlafx00_driver_shutdown(base_vha, 20);
3207
3208         qla2x00_delete_all_vps(ha, base_vha);
3209
3210         if (IS_QLA8031(ha)) {
3211                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3212                     "Clearing fcoe driver presence.\n");
3213                 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3214                         ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3215                             "Error while clearing DRV-Presence.\n");
3216         }
3217
3218         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3219
3220         qla2x00_dfs_remove(base_vha);
3221
3222         qla84xx_put_chip(base_vha);
3223
3224         /* Laser should be disabled only for ISP2031 */
3225         if (IS_QLA2031(ha))
3226                 qla83xx_disable_laser(base_vha);
3227
3228         /* Disable timer */
3229         if (base_vha->timer_active)
3230                 qla2x00_stop_timer(base_vha);
3231
3232         base_vha->flags.online = 0;
3233
3234         /* free DMA memory */
3235         if (ha->exlogin_buf)
3236                 qla2x00_free_exlogin_buffer(ha);
3237
3238         /* free DMA memory */
3239         if (ha->exchoffld_buf)
3240                 qla2x00_free_exchoffld_buffer(ha);
3241
3242         qla2x00_destroy_deferred_work(ha);
3243
3244         qlt_remove_target(ha, base_vha);
3245
3246         qla2x00_free_sysfs_attr(base_vha, true);
3247
3248         fc_remove_host(base_vha->host);
3249
3250         scsi_remove_host(base_vha->host);
3251
3252         qla2x00_free_device(base_vha);
3253
3254         qla2x00_clear_drv_active(ha);
3255
3256         scsi_host_put(base_vha->host);
3257
3258         qla2x00_unmap_iobases(ha);
3259
3260         pci_release_selected_regions(ha->pdev, ha->bars);
3261         kfree(ha);
3262         ha = NULL;
3263
3264         pci_disable_pcie_error_reporting(pdev);
3265
3266         pci_disable_device(pdev);
3267 }
3268
3269 static void
3270 qla2x00_free_device(scsi_qla_host_t *vha)
3271 {
3272         struct qla_hw_data *ha = vha->hw;
3273
3274         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3275
3276         /* Disable timer */
3277         if (vha->timer_active)
3278                 qla2x00_stop_timer(vha);
3279
3280         qla25xx_delete_queues(vha);
3281
3282         if (ha->flags.fce_enabled)
3283                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3284
3285         if (ha->eft)
3286                 qla2x00_disable_eft_trace(vha);
3287
3288         /* Stop currently executing firmware. */
3289         qla2x00_try_to_stop_firmware(vha);
3290
3291         vha->flags.online = 0;
3292
3293         /* turn-off interrupts on the card */
3294         if (ha->interrupts_on) {
3295                 vha->flags.init_done = 0;
3296                 ha->isp_ops->disable_intrs(ha);
3297         }
3298
3299         qla2x00_free_irqs(vha);
3300
3301         qla2x00_free_fcports(vha);
3302
3303         qla2x00_mem_free(ha);
3304
3305         qla82xx_md_free(vha);
3306
3307         qla2x00_free_queues(ha);
3308 }
3309
3310 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3311 {
3312         fc_port_t *fcport, *tfcport;
3313
3314         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3315                 list_del(&fcport->list);
3316                 qla2x00_clear_loop_id(fcport);
3317                 kfree(fcport);
3318                 fcport = NULL;
3319         }
3320 }
3321
3322 static inline void
3323 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3324     int defer)
3325 {
3326         struct fc_rport *rport;
3327         scsi_qla_host_t *base_vha;
3328         unsigned long flags;
3329
3330         if (!fcport->rport)
3331                 return;
3332
3333         rport = fcport->rport;
3334         if (defer) {
3335                 base_vha = pci_get_drvdata(vha->hw->pdev);
3336                 spin_lock_irqsave(vha->host->host_lock, flags);
3337                 fcport->drport = rport;
3338                 spin_unlock_irqrestore(vha->host->host_lock, flags);
3339                 qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3340                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3341                 qla2xxx_wake_dpc(base_vha);
3342         } else {
3343                 int now;
3344                 if (rport)
3345                         fc_remote_port_delete(rport);
3346                 qlt_do_generation_tick(vha, &now);
3347                 qlt_fc_port_deleted(vha, fcport, now);
3348         }
3349 }
3350
3351 /*
3352  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3353  *
3354  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3355  *
3356  * Return: None.
3357  *
3358  * Context:
3359  */
3360 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3361     int do_login, int defer)
3362 {
3363         if (IS_QLAFX00(vha->hw)) {
3364                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3365                 qla2x00_schedule_rport_del(vha, fcport, defer);
3366                 return;
3367         }
3368
3369         if (atomic_read(&fcport->state) == FCS_ONLINE &&
3370             vha->vp_idx == fcport->vha->vp_idx) {
3371                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3372                 qla2x00_schedule_rport_del(vha, fcport, defer);
3373         }
3374         /*
3375          * We may need to retry the login, so don't change the state of the
3376          * port but do the retries.
3377          */
3378         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3379                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3380
3381         if (!do_login)
3382                 return;
3383
3384         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3385
3386         if (fcport->login_retry == 0) {
3387                 fcport->login_retry = vha->hw->login_retry_count;
3388
3389                 ql_dbg(ql_dbg_disc, vha, 0x2067,
3390                     "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3391                     fcport->port_name, fcport->loop_id, fcport->login_retry);
3392         }
3393 }
3394
3395 /*
3396  * qla2x00_mark_all_devices_lost
3397  *      Updates fcport state when device goes offline.
3398  *
3399  * Input:
3400  *      ha = adapter block pointer.
3401  *      fcport = port structure pointer.
3402  *
3403  * Return:
3404  *      None.
3405  *
3406  * Context:
3407  */
3408 void
3409 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3410 {
3411         fc_port_t *fcport;
3412
3413         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3414                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3415                         continue;
3416
3417                 /*
3418                  * No point in marking the device as lost, if the device is
3419                  * already DEAD.
3420                  */
3421                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3422                         continue;
3423                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3424                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3425                         if (defer)
3426                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3427                         else if (vha->vp_idx == fcport->vha->vp_idx)
3428                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3429                 }
3430         }
3431 }
3432
3433 /*
3434 * qla2x00_mem_alloc
3435 *      Allocates adapter memory.
3436 *
3437 * Returns:
3438 *      0  = success.
3439 *      !0  = failure.
3440 */
3441 static int
3442 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3443         struct req_que **req, struct rsp_que **rsp)
3444 {
3445         char    name[16];
3446
3447         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3448                 &ha->init_cb_dma, GFP_KERNEL);
3449         if (!ha->init_cb)
3450                 goto fail;
3451
3452         if (qlt_mem_alloc(ha) < 0)
3453                 goto fail_free_init_cb;
3454
3455         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3456                 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3457         if (!ha->gid_list)
3458                 goto fail_free_tgt_mem;
3459
3460         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3461         if (!ha->srb_mempool)
3462                 goto fail_free_gid_list;
3463
3464         if (IS_P3P_TYPE(ha)) {
3465                 /* Allocate cache for CT6 Ctx. */
3466                 if (!ctx_cachep) {
3467                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3468                                 sizeof(struct ct6_dsd), 0,
3469                                 SLAB_HWCACHE_ALIGN, NULL);
3470                         if (!ctx_cachep)
3471                                 goto fail_free_gid_list;
3472                 }
3473                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3474                         ctx_cachep);
3475                 if (!ha->ctx_mempool)
3476                         goto fail_free_srb_mempool;
3477                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3478                     "ctx_cachep=%p ctx_mempool=%p.\n",
3479                     ctx_cachep, ha->ctx_mempool);
3480         }
3481
3482         /* Get memory for cached NVRAM */
3483         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3484         if (!ha->nvram)
3485                 goto fail_free_ctx_mempool;
3486
3487         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3488                 ha->pdev->device);
3489         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3490                 DMA_POOL_SIZE, 8, 0);
3491         if (!ha->s_dma_pool)
3492                 goto fail_free_nvram;
3493
3494         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3495             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3496             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3497
3498         if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3499                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3500                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
3501                 if (!ha->dl_dma_pool) {
3502                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3503                             "Failed to allocate memory for dl_dma_pool.\n");
3504                         goto fail_s_dma_pool;
3505                 }
3506
3507                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3508                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
3509                 if (!ha->fcp_cmnd_dma_pool) {
3510                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3511                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3512                         goto fail_dl_dma_pool;
3513                 }
3514                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3515                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3516                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3517         }
3518
3519         /* Allocate memory for SNS commands */
3520         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3521         /* Get consistent memory allocated for SNS commands */
3522                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3523                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3524                 if (!ha->sns_cmd)
3525                         goto fail_dma_pool;
3526                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3527                     "sns_cmd: %p.\n", ha->sns_cmd);
3528         } else {
3529         /* Get consistent memory allocated for MS IOCB */
3530                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3531                         &ha->ms_iocb_dma);
3532                 if (!ha->ms_iocb)
3533                         goto fail_dma_pool;
3534         /* Get consistent memory allocated for CT SNS commands */
3535                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3536                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3537                 if (!ha->ct_sns)
3538                         goto fail_free_ms_iocb;
3539                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3540                     "ms_iocb=%p ct_sns=%p.\n",
3541                     ha->ms_iocb, ha->ct_sns);
3542         }
3543
3544         /* Allocate memory for request ring */
3545         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3546         if (!*req) {
3547                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3548                     "Failed to allocate memory for req.\n");
3549                 goto fail_req;
3550         }
3551         (*req)->length = req_len;
3552         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3553                 ((*req)->length + 1) * sizeof(request_t),
3554                 &(*req)->dma, GFP_KERNEL);
3555         if (!(*req)->ring) {
3556                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3557                     "Failed to allocate memory for req_ring.\n");
3558                 goto fail_req_ring;
3559         }
3560         /* Allocate memory for response ring */
3561         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3562         if (!*rsp) {
3563                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3564                     "Failed to allocate memory for rsp.\n");
3565                 goto fail_rsp;
3566         }
3567         (*rsp)->hw = ha;
3568         (*rsp)->length = rsp_len;
3569         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3570                 ((*rsp)->length + 1) * sizeof(response_t),
3571                 &(*rsp)->dma, GFP_KERNEL);
3572         if (!(*rsp)->ring) {
3573                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3574                     "Failed to allocate memory for rsp_ring.\n");
3575                 goto fail_rsp_ring;
3576         }
3577         (*req)->rsp = *rsp;
3578         (*rsp)->req = *req;
3579         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3580             "req=%p req->length=%d req->ring=%p rsp=%p "
3581             "rsp->length=%d rsp->ring=%p.\n",
3582             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3583             (*rsp)->ring);
3584         /* Allocate memory for NVRAM data for vports */
3585         if (ha->nvram_npiv_size) {
3586                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3587                     ha->nvram_npiv_size, GFP_KERNEL);
3588                 if (!ha->npiv_info) {
3589                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3590                             "Failed to allocate memory for npiv_info.\n");
3591                         goto fail_npiv_info;
3592                 }
3593         } else
3594                 ha->npiv_info = NULL;
3595
3596         /* Get consistent memory allocated for EX-INIT-CB. */
3597         if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3598                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3599                     &ha->ex_init_cb_dma);
3600                 if (!ha->ex_init_cb)
3601                         goto fail_ex_init_cb;
3602                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3603                     "ex_init_cb=%p.\n", ha->ex_init_cb);
3604         }
3605
3606         INIT_LIST_HEAD(&ha->gbl_dsd_list);
3607
3608         /* Get consistent memory allocated for Async Port-Database. */
3609         if (!IS_FWI2_CAPABLE(ha)) {
3610                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3611                         &ha->async_pd_dma);
3612                 if (!ha->async_pd)
3613                         goto fail_async_pd;
3614                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3615                     "async_pd=%p.\n", ha->async_pd);
3616         }
3617
3618         INIT_LIST_HEAD(&ha->vp_list);
3619
3620         /* Allocate memory for our loop_id bitmap */
3621         ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3622             GFP_KERNEL);
3623         if (!ha->loop_id_map)
3624                 goto fail_async_pd;
3625         else {
3626                 qla2x00_set_reserved_loop_ids(ha);
3627                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3628                     "loop_id_map=%p.\n", ha->loop_id_map);
3629         }
3630
3631         return 0;
3632
3633 fail_async_pd:
3634         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3635 fail_ex_init_cb:
3636         kfree(ha->npiv_info);
3637 fail_npiv_info:
3638         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3639                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3640         (*rsp)->ring = NULL;
3641         (*rsp)->dma = 0;
3642 fail_rsp_ring:
3643         kfree(*rsp);
3644 fail_rsp:
3645         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3646                 sizeof(request_t), (*req)->ring, (*req)->dma);
3647         (*req)->ring = NULL;
3648         (*req)->dma = 0;
3649 fail_req_ring:
3650         kfree(*req);
3651 fail_req:
3652         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3653                 ha->ct_sns, ha->ct_sns_dma);
3654         ha->ct_sns = NULL;
3655         ha->ct_sns_dma = 0;
3656 fail_free_ms_iocb:
3657         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3658         ha->ms_iocb = NULL;
3659         ha->ms_iocb_dma = 0;
3660 fail_dma_pool:
3661         if (IS_QLA82XX(ha) || ql2xenabledif) {
3662                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3663                 ha->fcp_cmnd_dma_pool = NULL;
3664         }
3665 fail_dl_dma_pool:
3666         if (IS_QLA82XX(ha) || ql2xenabledif) {
3667                 dma_pool_destroy(ha->dl_dma_pool);
3668                 ha->dl_dma_pool = NULL;
3669         }
3670 fail_s_dma_pool:
3671         dma_pool_destroy(ha->s_dma_pool);
3672         ha->s_dma_pool = NULL;
3673 fail_free_nvram:
3674         kfree(ha->nvram);
3675         ha->nvram = NULL;
3676 fail_free_ctx_mempool:
3677         mempool_destroy(ha->ctx_mempool);
3678         ha->ctx_mempool = NULL;
3679 fail_free_srb_mempool:
3680         mempool_destroy(ha->srb_mempool);
3681         ha->srb_mempool = NULL;
3682 fail_free_gid_list:
3683         dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3684         ha->gid_list,
3685         ha->gid_list_dma);
3686         ha->gid_list = NULL;
3687         ha->gid_list_dma = 0;
3688 fail_free_tgt_mem:
3689         qlt_mem_free(ha);
3690 fail_free_init_cb:
3691         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3692         ha->init_cb_dma);
3693         ha->init_cb = NULL;
3694         ha->init_cb_dma = 0;
3695 fail:
3696         ql_log(ql_log_fatal, NULL, 0x0030,
3697             "Memory allocation failure.\n");
3698         return -ENOMEM;
3699 }
3700
3701 int
3702 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
3703 {
3704         int rval;
3705         uint16_t        size, max_cnt, temp;
3706         struct qla_hw_data *ha = vha->hw;
3707
3708         /* Return if we don't need to alloacate any extended logins */
3709         if (!ql2xexlogins)
3710                 return QLA_SUCCESS;
3711
3712         ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
3713         max_cnt = 0;
3714         rval = qla_get_exlogin_status(vha, &size, &max_cnt);
3715         if (rval != QLA_SUCCESS) {
3716                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
3717                     "Failed to get exlogin status.\n");
3718                 return rval;
3719         }
3720
3721         temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
3722         ha->exlogin_size = (size * temp);
3723         ql_log(ql_log_info, vha, 0xd024,
3724                 "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
3725                 max_cnt, size, temp);
3726
3727         ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n",
3728                 ha->exlogin_size);
3729
3730         /* Get consistent memory for extended logins */
3731         ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
3732             ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
3733         if (!ha->exlogin_buf) {
3734                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
3735                     "Failed to allocate memory for exlogin_buf_dma.\n");
3736                 return -ENOMEM;
3737         }
3738
3739         /* Now configure the dma buffer */
3740         rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
3741         if (rval) {
3742                 ql_log(ql_log_fatal, vha, 0x00cf,
3743                     "Setup extended login buffer  ****FAILED****.\n");
3744                 qla2x00_free_exlogin_buffer(ha);
3745         }
3746
3747         return rval;
3748 }
3749
3750 /*
3751 * qla2x00_free_exlogin_buffer
3752 *
3753 * Input:
3754 *       ha = adapter block pointer
3755 */
3756 void
3757 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
3758 {
3759         if (ha->exlogin_buf) {
3760                 dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
3761                     ha->exlogin_buf, ha->exlogin_buf_dma);
3762                 ha->exlogin_buf = NULL;
3763                 ha->exlogin_size = 0;
3764         }
3765 }
3766
3767 int
3768 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
3769 {
3770         int rval;
3771         uint16_t        size, max_cnt, temp;
3772         struct qla_hw_data *ha = vha->hw;
3773
3774         /* Return if we don't need to alloacate any extended logins */
3775         if (!ql2xexchoffld)
3776                 return QLA_SUCCESS;
3777
3778         ql_log(ql_log_info, vha, 0xd014,
3779             "Exchange offload count: %d.\n", ql2xexlogins);
3780
3781         max_cnt = 0;
3782         rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
3783         if (rval != QLA_SUCCESS) {
3784                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
3785                     "Failed to get exlogin status.\n");
3786                 return rval;
3787         }
3788
3789         temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld;
3790         ha->exchoffld_size = (size * temp);
3791         ql_log(ql_log_info, vha, 0xd016,
3792                 "Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
3793                 max_cnt, size, temp);
3794
3795         ql_log(ql_log_info, vha, 0xd017,
3796             "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size);
3797
3798         /* Get consistent memory for extended logins */
3799         ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
3800             ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
3801         if (!ha->exchoffld_buf) {
3802                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
3803                     "Failed to allocate memory for exchoffld_buf_dma.\n");
3804                 return -ENOMEM;
3805         }
3806
3807         /* Now configure the dma buffer */
3808         rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma);
3809         if (rval) {
3810                 ql_log(ql_log_fatal, vha, 0xd02e,
3811                     "Setup exchange offload buffer ****FAILED****.\n");
3812                 qla2x00_free_exchoffld_buffer(ha);
3813         }
3814
3815         return rval;
3816 }
3817
3818 /*
3819 * qla2x00_free_exchoffld_buffer
3820 *
3821 * Input:
3822 *       ha = adapter block pointer
3823 */
3824 void
3825 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
3826 {
3827         if (ha->exchoffld_buf) {
3828                 dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
3829                     ha->exchoffld_buf, ha->exchoffld_buf_dma);
3830                 ha->exchoffld_buf = NULL;
3831                 ha->exchoffld_size = 0;
3832         }
3833 }
3834
3835 /*
3836 * qla2x00_free_fw_dump
3837 *       Frees fw dump stuff.
3838 *
3839 * Input:
3840 *       ha = adapter block pointer
3841 */
3842 static void
3843 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3844 {
3845         if (ha->fce)
3846                 dma_free_coherent(&ha->pdev->dev,
3847                     FCE_SIZE, ha->fce, ha->fce_dma);
3848
3849         if (ha->eft)
3850                 dma_free_coherent(&ha->pdev->dev,
3851                     EFT_SIZE, ha->eft, ha->eft_dma);
3852
3853         if (ha->fw_dump)
3854                 vfree(ha->fw_dump);
3855         if (ha->fw_dump_template)
3856                 vfree(ha->fw_dump_template);
3857
3858         ha->fce = NULL;
3859         ha->fce_dma = 0;
3860         ha->eft = NULL;
3861         ha->eft_dma = 0;
3862         ha->fw_dumped = 0;
3863         ha->fw_dump_cap_flags = 0;
3864         ha->fw_dump_reading = 0;
3865         ha->fw_dump = NULL;
3866         ha->fw_dump_len = 0;
3867         ha->fw_dump_template = NULL;
3868         ha->fw_dump_template_len = 0;
3869 }
3870
3871 /*
3872 * qla2x00_mem_free
3873 *      Frees all adapter allocated memory.
3874 *
3875 * Input:
3876 *      ha = adapter block pointer.
3877 */
3878 static void
3879 qla2x00_mem_free(struct qla_hw_data *ha)
3880 {
3881         qla2x00_free_fw_dump(ha);
3882
3883         if (ha->mctp_dump)
3884                 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3885                     ha->mctp_dump_dma);
3886
3887         if (ha->srb_mempool)
3888                 mempool_destroy(ha->srb_mempool);
3889
3890         if (ha->dcbx_tlv)
3891                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3892                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3893
3894         if (ha->xgmac_data)
3895                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3896                     ha->xgmac_data, ha->xgmac_data_dma);
3897
3898         if (ha->sns_cmd)
3899                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3900                 ha->sns_cmd, ha->sns_cmd_dma);
3901
3902         if (ha->ct_sns)
3903                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3904                 ha->ct_sns, ha->ct_sns_dma);
3905
3906         if (ha->sfp_data)
3907                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3908
3909         if (ha->ms_iocb)
3910                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3911
3912         if (ha->ex_init_cb)
3913                 dma_pool_free(ha->s_dma_pool,
3914                         ha->ex_init_cb, ha->ex_init_cb_dma);
3915
3916         if (ha->async_pd)
3917                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3918
3919         if (ha->s_dma_pool)
3920                 dma_pool_destroy(ha->s_dma_pool);
3921
3922         if (ha->gid_list)
3923                 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3924                 ha->gid_list, ha->gid_list_dma);
3925
3926         if (IS_QLA82XX(ha)) {
3927                 if (!list_empty(&ha->gbl_dsd_list)) {
3928                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3929
3930                         /* clean up allocated prev pool */
3931                         list_for_each_entry_safe(dsd_ptr,
3932                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3933                                 dma_pool_free(ha->dl_dma_pool,
3934                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3935                                 list_del(&dsd_ptr->list);
3936                                 kfree(dsd_ptr);
3937                         }
3938                 }
3939         }
3940
3941         if (ha->dl_dma_pool)
3942                 dma_pool_destroy(ha->dl_dma_pool);
3943
3944         if (ha->fcp_cmnd_dma_pool)
3945                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3946
3947         if (ha->ctx_mempool)
3948                 mempool_destroy(ha->ctx_mempool);
3949
3950         qlt_mem_free(ha);
3951
3952         if (ha->init_cb)
3953                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3954                         ha->init_cb, ha->init_cb_dma);
3955         vfree(ha->optrom_buffer);
3956         kfree(ha->nvram);
3957         kfree(ha->npiv_info);
3958         kfree(ha->swl);
3959         kfree(ha->loop_id_map);
3960
3961         ha->srb_mempool = NULL;
3962         ha->ctx_mempool = NULL;
3963         ha->sns_cmd = NULL;
3964         ha->sns_cmd_dma = 0;
3965         ha->ct_sns = NULL;
3966         ha->ct_sns_dma = 0;
3967         ha->ms_iocb = NULL;
3968         ha->ms_iocb_dma = 0;
3969         ha->init_cb = NULL;
3970         ha->init_cb_dma = 0;
3971         ha->ex_init_cb = NULL;
3972         ha->ex_init_cb_dma = 0;
3973         ha->async_pd = NULL;
3974         ha->async_pd_dma = 0;
3975
3976         ha->s_dma_pool = NULL;
3977         ha->dl_dma_pool = NULL;
3978         ha->fcp_cmnd_dma_pool = NULL;
3979
3980         ha->gid_list = NULL;
3981         ha->gid_list_dma = 0;
3982
3983         ha->tgt.atio_ring = NULL;
3984         ha->tgt.atio_dma = 0;
3985         ha->tgt.tgt_vp_map = NULL;
3986 }
3987
3988 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3989                                                 struct qla_hw_data *ha)
3990 {
3991         struct Scsi_Host *host;
3992         struct scsi_qla_host *vha = NULL;
3993
3994         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3995         if (host == NULL) {
3996                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3997                     "Failed to allocate host from the scsi layer, aborting.\n");
3998                 goto fail;
3999         }
4000
4001         /* Clear our data area */
4002         vha = shost_priv(host);
4003         memset(vha, 0, sizeof(scsi_qla_host_t));
4004
4005         vha->host = host;
4006         vha->host_no = host->host_no;
4007         vha->hw = ha;
4008
4009         INIT_LIST_HEAD(&vha->vp_fcports);
4010         INIT_LIST_HEAD(&vha->work_list);
4011         INIT_LIST_HEAD(&vha->list);
4012         INIT_LIST_HEAD(&vha->qla_cmd_list);
4013         INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4014         INIT_LIST_HEAD(&vha->logo_list);
4015         INIT_LIST_HEAD(&vha->plogi_ack_list);
4016
4017         spin_lock_init(&vha->work_lock);
4018         spin_lock_init(&vha->cmd_list_lock);
4019
4020         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4021         ql_dbg(ql_dbg_init, vha, 0x0041,
4022             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4023             vha->host, vha->hw, vha,
4024             dev_name(&(ha->pdev->dev)));
4025
4026         return vha;
4027
4028 fail:
4029         return vha;
4030 }
4031
4032 static struct qla_work_evt *
4033 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4034 {
4035         struct qla_work_evt *e;
4036         uint8_t bail;
4037
4038         QLA_VHA_MARK_BUSY(vha, bail);
4039         if (bail)
4040                 return NULL;
4041
4042         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4043         if (!e) {
4044                 QLA_VHA_MARK_NOT_BUSY(vha);
4045                 return NULL;
4046         }
4047
4048         INIT_LIST_HEAD(&e->list);
4049         e->type = type;
4050         e->flags = QLA_EVT_FLAG_FREE;
4051         return e;
4052 }
4053
4054 static int
4055 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4056 {
4057         unsigned long flags;
4058
4059         spin_lock_irqsave(&vha->work_lock, flags);
4060         list_add_tail(&e->list, &vha->work_list);
4061         spin_unlock_irqrestore(&vha->work_lock, flags);
4062         qla2xxx_wake_dpc(vha);
4063
4064         return QLA_SUCCESS;
4065 }
4066
4067 int
4068 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4069     u32 data)
4070 {
4071         struct qla_work_evt *e;
4072
4073         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4074         if (!e)
4075                 return QLA_FUNCTION_FAILED;
4076
4077         e->u.aen.code = code;
4078         e->u.aen.data = data;
4079         return qla2x00_post_work(vha, e);
4080 }
4081
4082 int
4083 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4084 {
4085         struct qla_work_evt *e;
4086
4087         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4088         if (!e)
4089                 return QLA_FUNCTION_FAILED;
4090
4091         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4092         return qla2x00_post_work(vha, e);
4093 }
4094
4095 #define qla2x00_post_async_work(name, type)     \
4096 int qla2x00_post_async_##name##_work(           \
4097     struct scsi_qla_host *vha,                  \
4098     fc_port_t *fcport, uint16_t *data)          \
4099 {                                               \
4100         struct qla_work_evt *e;                 \
4101                                                 \
4102         e = qla2x00_alloc_work(vha, type);      \
4103         if (!e)                                 \
4104                 return QLA_FUNCTION_FAILED;     \
4105                                                 \
4106         e->u.logio.fcport = fcport;             \
4107         if (data) {                             \
4108                 e->u.logio.data[0] = data[0];   \
4109                 e->u.logio.data[1] = data[1];   \
4110         }                                       \
4111         return qla2x00_post_work(vha, e);       \
4112 }
4113
4114 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4115 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
4116 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4117 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4118 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4119 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4120
4121 int
4122 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4123 {
4124         struct qla_work_evt *e;
4125
4126         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4127         if (!e)
4128                 return QLA_FUNCTION_FAILED;
4129
4130         e->u.uevent.code = code;
4131         return qla2x00_post_work(vha, e);
4132 }
4133
4134 static void
4135 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4136 {
4137         char event_string[40];
4138         char *envp[] = { event_string, NULL };
4139
4140         switch (code) {
4141         case QLA_UEVENT_CODE_FW_DUMP:
4142                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4143                     vha->host_no);
4144                 break;
4145         default:
4146                 /* do nothing */
4147                 break;
4148         }
4149         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4150 }
4151
4152 int
4153 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4154                         uint32_t *data, int cnt)
4155 {
4156         struct qla_work_evt *e;
4157
4158         e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4159         if (!e)
4160                 return QLA_FUNCTION_FAILED;
4161
4162         e->u.aenfx.evtcode = evtcode;
4163         e->u.aenfx.count = cnt;
4164         memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4165         return qla2x00_post_work(vha, e);
4166 }
4167
4168 void
4169 qla2x00_do_work(struct scsi_qla_host *vha)
4170 {
4171         struct qla_work_evt *e, *tmp;
4172         unsigned long flags;
4173         LIST_HEAD(work);
4174
4175         spin_lock_irqsave(&vha->work_lock, flags);
4176         list_splice_init(&vha->work_list, &work);
4177         spin_unlock_irqrestore(&vha->work_lock, flags);
4178
4179         list_for_each_entry_safe(e, tmp, &work, list) {
4180                 list_del_init(&e->list);
4181
4182                 switch (e->type) {
4183                 case QLA_EVT_AEN:
4184                         fc_host_post_event(vha->host, fc_get_event_number(),
4185                             e->u.aen.code, e->u.aen.data);
4186                         break;
4187                 case QLA_EVT_IDC_ACK:
4188                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4189                         break;
4190                 case QLA_EVT_ASYNC_LOGIN:
4191                         qla2x00_async_login(vha, e->u.logio.fcport,
4192                             e->u.logio.data);
4193                         break;
4194                 case QLA_EVT_ASYNC_LOGIN_DONE:
4195                         qla2x00_async_login_done(vha, e->u.logio.fcport,
4196                             e->u.logio.data);
4197                         break;
4198                 case QLA_EVT_ASYNC_LOGOUT:
4199                         qla2x00_async_logout(vha, e->u.logio.fcport);
4200                         break;
4201                 case QLA_EVT_ASYNC_LOGOUT_DONE:
4202                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
4203                             e->u.logio.data);
4204                         break;
4205                 case QLA_EVT_ASYNC_ADISC:
4206                         qla2x00_async_adisc(vha, e->u.logio.fcport,
4207                             e->u.logio.data);
4208                         break;
4209                 case QLA_EVT_ASYNC_ADISC_DONE:
4210                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4211                             e->u.logio.data);
4212                         break;
4213                 case QLA_EVT_UEVENT:
4214                         qla2x00_uevent_emit(vha, e->u.uevent.code);
4215                         break;
4216                 case QLA_EVT_AENFX:
4217                         qlafx00_process_aen(vha, e);
4218                         break;
4219                 }
4220                 if (e->flags & QLA_EVT_FLAG_FREE)
4221                         kfree(e);
4222
4223                 /* For each work completed decrement vha ref count */
4224                 QLA_VHA_MARK_NOT_BUSY(vha);
4225         }
4226 }
4227
4228 /* Relogins all the fcports of a vport
4229  * Context: dpc thread
4230  */
4231 void qla2x00_relogin(struct scsi_qla_host *vha)
4232 {
4233         fc_port_t       *fcport;
4234         int status;
4235         uint16_t        next_loopid = 0;
4236         struct qla_hw_data *ha = vha->hw;
4237         uint16_t data[2];
4238
4239         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4240         /*
4241          * If the port is not ONLINE then try to login
4242          * to it if we haven't run out of retries.
4243          */
4244                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
4245                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4246                         fcport->login_retry--;
4247                         if (fcport->flags & FCF_FABRIC_DEVICE) {
4248                                 if (fcport->flags & FCF_FCP2_DEVICE)
4249                                         ha->isp_ops->fabric_logout(vha,
4250                                                         fcport->loop_id,
4251                                                         fcport->d_id.b.domain,
4252                                                         fcport->d_id.b.area,
4253                                                         fcport->d_id.b.al_pa);
4254
4255                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
4256                                         fcport->loop_id = next_loopid =
4257                                             ha->min_external_loopid;
4258                                         status = qla2x00_find_new_loop_id(
4259                                             vha, fcport);
4260                                         if (status != QLA_SUCCESS) {
4261                                                 /* Ran out of IDs to use */
4262                                                 break;
4263                                         }
4264                                 }
4265
4266                                 if (IS_ALOGIO_CAPABLE(ha)) {
4267                                         fcport->flags |= FCF_ASYNC_SENT;
4268                                         data[0] = 0;
4269                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
4270                                         status = qla2x00_post_async_login_work(
4271                                             vha, fcport, data);
4272                                         if (status == QLA_SUCCESS)
4273                                                 continue;
4274                                         /* Attempt a retry. */
4275                                         status = 1;
4276                                 } else {
4277                                         status = qla2x00_fabric_login(vha,
4278                                             fcport, &next_loopid);
4279                                         if (status ==  QLA_SUCCESS) {
4280                                                 int status2;
4281                                                 uint8_t opts;
4282
4283                                                 opts = 0;
4284                                                 if (fcport->flags &
4285                                                     FCF_FCP2_DEVICE)
4286                                                         opts |= BIT_1;
4287                                                 status2 =
4288                                                     qla2x00_get_port_database(
4289                                                         vha, fcport, opts);
4290                                                 if (status2 != QLA_SUCCESS)
4291                                                         status = 1;
4292                                         }
4293                                 }
4294                         } else
4295                                 status = qla2x00_local_device_login(vha,
4296                                                                 fcport);
4297
4298                         if (status == QLA_SUCCESS) {
4299                                 fcport->old_loop_id = fcport->loop_id;
4300
4301                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
4302                                     "Port login OK: logged in ID 0x%x.\n",
4303                                     fcport->loop_id);
4304
4305                                 qla2x00_update_fcport(vha, fcport);
4306
4307                         } else if (status == 1) {
4308                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4309                                 /* retry the login again */
4310                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
4311                                     "Retrying %d login again loop_id 0x%x.\n",
4312                                     fcport->login_retry, fcport->loop_id);
4313                         } else {
4314                                 fcport->login_retry = 0;
4315                         }
4316
4317                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4318                                 qla2x00_clear_loop_id(fcport);
4319                 }
4320                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4321                         break;
4322         }
4323 }
4324
4325 /* Schedule work on any of the dpc-workqueues */
4326 void
4327 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4328 {
4329         struct qla_hw_data *ha = base_vha->hw;
4330
4331         switch (work_code) {
4332         case MBA_IDC_AEN: /* 0x8200 */
4333                 if (ha->dpc_lp_wq)
4334                         queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4335                 break;
4336
4337         case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4338                 if (!ha->flags.nic_core_reset_hdlr_active) {
4339                         if (ha->dpc_hp_wq)
4340                                 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4341                 } else
4342                         ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4343                             "NIC Core reset is already active. Skip "
4344                             "scheduling it again.\n");
4345                 break;
4346         case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4347                 if (ha->dpc_hp_wq)
4348                         queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4349                 break;
4350         case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4351                 if (ha->dpc_hp_wq)
4352                         queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4353                 break;
4354         default:
4355                 ql_log(ql_log_warn, base_vha, 0xb05f,
4356                     "Unknown work-code=0x%x.\n", work_code);
4357         }
4358
4359         return;
4360 }
4361
4362 /* Work: Perform NIC Core Unrecoverable state handling */
4363 void
4364 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4365 {
4366         struct qla_hw_data *ha =
4367                 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4368         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4369         uint32_t dev_state = 0;
4370
4371         qla83xx_idc_lock(base_vha, 0);
4372         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4373         qla83xx_reset_ownership(base_vha);
4374         if (ha->flags.nic_core_reset_owner) {
4375                 ha->flags.nic_core_reset_owner = 0;
4376                 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4377                     QLA8XXX_DEV_FAILED);
4378                 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4379                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4380         }
4381         qla83xx_idc_unlock(base_vha, 0);
4382 }
4383
4384 /* Work: Execute IDC state handler */
4385 void
4386 qla83xx_idc_state_handler_work(struct work_struct *work)
4387 {
4388         struct qla_hw_data *ha =
4389                 container_of(work, struct qla_hw_data, idc_state_handler);
4390         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4391         uint32_t dev_state = 0;
4392
4393         qla83xx_idc_lock(base_vha, 0);
4394         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4395         if (dev_state == QLA8XXX_DEV_FAILED ||
4396                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4397                 qla83xx_idc_state_handler(base_vha);
4398         qla83xx_idc_unlock(base_vha, 0);
4399 }
4400
4401 static int
4402 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4403 {
4404         int rval = QLA_SUCCESS;
4405         unsigned long heart_beat_wait = jiffies + (1 * HZ);
4406         uint32_t heart_beat_counter1, heart_beat_counter2;
4407
4408         do {
4409                 if (time_after(jiffies, heart_beat_wait)) {
4410                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4411                             "Nic Core f/w is not alive.\n");
4412                         rval = QLA_FUNCTION_FAILED;
4413                         break;
4414                 }
4415
4416                 qla83xx_idc_lock(base_vha, 0);
4417                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4418                     &heart_beat_counter1);
4419                 qla83xx_idc_unlock(base_vha, 0);
4420                 msleep(100);
4421                 qla83xx_idc_lock(base_vha, 0);
4422                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4423                     &heart_beat_counter2);
4424                 qla83xx_idc_unlock(base_vha, 0);
4425         } while (heart_beat_counter1 == heart_beat_counter2);
4426
4427         return rval;
4428 }
4429
4430 /* Work: Perform NIC Core Reset handling */
4431 void
4432 qla83xx_nic_core_reset_work(struct work_struct *work)
4433 {
4434         struct qla_hw_data *ha =
4435                 container_of(work, struct qla_hw_data, nic_core_reset);
4436         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4437         uint32_t dev_state = 0;
4438
4439         if (IS_QLA2031(ha)) {
4440                 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4441                         ql_log(ql_log_warn, base_vha, 0xb081,
4442                             "Failed to dump mctp\n");
4443                 return;
4444         }
4445
4446         if (!ha->flags.nic_core_reset_hdlr_active) {
4447                 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4448                         qla83xx_idc_lock(base_vha, 0);
4449                         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4450                             &dev_state);
4451                         qla83xx_idc_unlock(base_vha, 0);
4452                         if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4453                                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4454                                     "Nic Core f/w is alive.\n");
4455                                 return;
4456                         }
4457                 }
4458
4459                 ha->flags.nic_core_reset_hdlr_active = 1;
4460                 if (qla83xx_nic_core_reset(base_vha)) {
4461                         /* NIC Core reset failed. */
4462                         ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4463                             "NIC Core reset failed.\n");
4464                 }
4465                 ha->flags.nic_core_reset_hdlr_active = 0;
4466         }
4467 }
4468
4469 /* Work: Handle 8200 IDC aens */
4470 void
4471 qla83xx_service_idc_aen(struct work_struct *work)
4472 {
4473         struct qla_hw_data *ha =
4474                 container_of(work, struct qla_hw_data, idc_aen);
4475         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4476         uint32_t dev_state, idc_control;
4477
4478         qla83xx_idc_lock(base_vha, 0);
4479         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4480         qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4481         qla83xx_idc_unlock(base_vha, 0);
4482         if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4483                 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4484                         ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4485                             "Application requested NIC Core Reset.\n");
4486                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4487                 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4488                     QLA_SUCCESS) {
4489                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4490                             "Other protocol driver requested NIC Core Reset.\n");
4491                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4492                 }
4493         } else if (dev_state == QLA8XXX_DEV_FAILED ||
4494                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4495                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4496         }
4497 }
4498
4499 static void
4500 qla83xx_wait_logic(void)
4501 {
4502         int i;
4503
4504         /* Yield CPU */
4505         if (!in_interrupt()) {
4506                 /*
4507                  * Wait about 200ms before retrying again.
4508                  * This controls the number of retries for single
4509                  * lock operation.
4510                  */
4511                 msleep(100);
4512                 schedule();
4513         } else {
4514                 for (i = 0; i < 20; i++)
4515                         cpu_relax(); /* This a nop instr on i386 */
4516         }
4517 }
4518
4519 static int
4520 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4521 {
4522         int rval;
4523         uint32_t data;
4524         uint32_t idc_lck_rcvry_stage_mask = 0x3;
4525         uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4526         struct qla_hw_data *ha = base_vha->hw;
4527         ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4528             "Trying force recovery of the IDC lock.\n");
4529
4530         rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4531         if (rval)
4532                 return rval;
4533
4534         if ((data & idc_lck_rcvry_stage_mask) > 0) {
4535                 return QLA_SUCCESS;
4536         } else {
4537                 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4538                 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4539                     data);
4540                 if (rval)
4541                         return rval;
4542
4543                 msleep(200);
4544
4545                 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4546                     &data);
4547                 if (rval)
4548                         return rval;
4549
4550                 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4551                         data &= (IDC_LOCK_RECOVERY_STAGE2 |
4552                                         ~(idc_lck_rcvry_stage_mask));
4553                         rval = qla83xx_wr_reg(base_vha,
4554                             QLA83XX_IDC_LOCK_RECOVERY, data);
4555                         if (rval)
4556                                 return rval;
4557
4558                         /* Forcefully perform IDC UnLock */
4559                         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4560                             &data);
4561                         if (rval)
4562                                 return rval;
4563                         /* Clear lock-id by setting 0xff */
4564                         rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4565                             0xff);
4566                         if (rval)
4567                                 return rval;
4568                         /* Clear lock-recovery by setting 0x0 */
4569                         rval = qla83xx_wr_reg(base_vha,
4570                             QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4571                         if (rval)
4572                                 return rval;
4573                 } else
4574                         return QLA_SUCCESS;
4575         }
4576
4577         return rval;
4578 }
4579
4580 static int
4581 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4582 {
4583         int rval = QLA_SUCCESS;
4584         uint32_t o_drv_lockid, n_drv_lockid;
4585         unsigned long lock_recovery_timeout;
4586
4587         lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4588 retry_lockid:
4589         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4590         if (rval)
4591                 goto exit;
4592
4593         /* MAX wait time before forcing IDC Lock recovery = 2 secs */
4594         if (time_after_eq(jiffies, lock_recovery_timeout)) {
4595                 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4596                         return QLA_SUCCESS;
4597                 else
4598                         return QLA_FUNCTION_FAILED;
4599         }
4600
4601         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4602         if (rval)
4603                 goto exit;
4604
4605         if (o_drv_lockid == n_drv_lockid) {
4606                 qla83xx_wait_logic();
4607                 goto retry_lockid;
4608         } else
4609                 return QLA_SUCCESS;
4610
4611 exit:
4612         return rval;
4613 }
4614
4615 void
4616 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4617 {
4618         uint16_t options = (requester_id << 15) | BIT_6;
4619         uint32_t data;
4620         uint32_t lock_owner;
4621         struct qla_hw_data *ha = base_vha->hw;
4622
4623         /* IDC-lock implementation using driver-lock/lock-id remote registers */
4624 retry_lock:
4625         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4626             == QLA_SUCCESS) {
4627                 if (data) {
4628                         /* Setting lock-id to our function-number */
4629                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4630                             ha->portnum);
4631                 } else {
4632                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4633                             &lock_owner);
4634                         ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4635                             "Failed to acquire IDC lock, acquired by %d, "
4636                             "retrying...\n", lock_owner);
4637
4638                         /* Retry/Perform IDC-Lock recovery */
4639                         if (qla83xx_idc_lock_recovery(base_vha)
4640                             == QLA_SUCCESS) {
4641                                 qla83xx_wait_logic();
4642                                 goto retry_lock;
4643                         } else
4644                                 ql_log(ql_log_warn, base_vha, 0xb075,
4645                                     "IDC Lock recovery FAILED.\n");
4646                 }
4647
4648         }
4649
4650         return;
4651
4652         /* XXX: IDC-lock implementation using access-control mbx */
4653 retry_lock2:
4654         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4655                 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4656                     "Failed to acquire IDC lock. retrying...\n");
4657                 /* Retry/Perform IDC-Lock recovery */
4658                 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4659                         qla83xx_wait_logic();
4660                         goto retry_lock2;
4661                 } else
4662                         ql_log(ql_log_warn, base_vha, 0xb076,
4663                             "IDC Lock recovery FAILED.\n");
4664         }
4665
4666         return;
4667 }
4668
4669 void
4670 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4671 {
4672 #if 0
4673         uint16_t options = (requester_id << 15) | BIT_7;
4674 #endif
4675         uint16_t retry;
4676         uint32_t data;
4677         struct qla_hw_data *ha = base_vha->hw;
4678
4679         /* IDC-unlock implementation using driver-unlock/lock-id
4680          * remote registers
4681          */
4682         retry = 0;
4683 retry_unlock:
4684         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4685             == QLA_SUCCESS) {
4686                 if (data == ha->portnum) {
4687                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4688                         /* Clearing lock-id by setting 0xff */
4689                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4690                 } else if (retry < 10) {
4691                         /* SV: XXX: IDC unlock retrying needed here? */
4692
4693                         /* Retry for IDC-unlock */
4694                         qla83xx_wait_logic();
4695                         retry++;
4696                         ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4697                             "Failed to release IDC lock, retyring=%d\n", retry);
4698                         goto retry_unlock;
4699                 }
4700         } else if (retry < 10) {
4701                 /* Retry for IDC-unlock */
4702                 qla83xx_wait_logic();
4703                 retry++;
4704                 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4705                     "Failed to read drv-lockid, retyring=%d\n", retry);
4706                 goto retry_unlock;
4707         }
4708
4709         return;
4710
4711 #if 0
4712         /* XXX: IDC-unlock implementation using access-control mbx */
4713         retry = 0;
4714 retry_unlock2:
4715         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4716                 if (retry < 10) {
4717                         /* Retry for IDC-unlock */
4718                         qla83xx_wait_logic();
4719                         retry++;
4720                         ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4721                             "Failed to release IDC lock, retyring=%d\n", retry);
4722                         goto retry_unlock2;
4723                 }
4724         }
4725
4726         return;
4727 #endif
4728 }
4729
4730 int
4731 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4732 {
4733         int rval = QLA_SUCCESS;
4734         struct qla_hw_data *ha = vha->hw;
4735         uint32_t drv_presence;
4736
4737         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4738         if (rval == QLA_SUCCESS) {
4739                 drv_presence |= (1 << ha->portnum);
4740                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4741                     drv_presence);
4742         }
4743
4744         return rval;
4745 }
4746
4747 int
4748 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4749 {
4750         int rval = QLA_SUCCESS;
4751
4752         qla83xx_idc_lock(vha, 0);
4753         rval = __qla83xx_set_drv_presence(vha);
4754         qla83xx_idc_unlock(vha, 0);
4755
4756         return rval;
4757 }
4758
4759 int
4760 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4761 {
4762         int rval = QLA_SUCCESS;
4763         struct qla_hw_data *ha = vha->hw;
4764         uint32_t drv_presence;
4765
4766         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4767         if (rval == QLA_SUCCESS) {
4768                 drv_presence &= ~(1 << ha->portnum);
4769                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4770                     drv_presence);
4771         }
4772
4773         return rval;
4774 }
4775
4776 int
4777 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4778 {
4779         int rval = QLA_SUCCESS;
4780
4781         qla83xx_idc_lock(vha, 0);
4782         rval = __qla83xx_clear_drv_presence(vha);
4783         qla83xx_idc_unlock(vha, 0);
4784
4785         return rval;
4786 }
4787
4788 static void
4789 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4790 {
4791         struct qla_hw_data *ha = vha->hw;
4792         uint32_t drv_ack, drv_presence;
4793         unsigned long ack_timeout;
4794
4795         /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4796         ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4797         while (1) {
4798                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4799                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4800                 if ((drv_ack & drv_presence) == drv_presence)
4801                         break;
4802
4803                 if (time_after_eq(jiffies, ack_timeout)) {
4804                         ql_log(ql_log_warn, vha, 0xb067,
4805                             "RESET ACK TIMEOUT! drv_presence=0x%x "
4806                             "drv_ack=0x%x\n", drv_presence, drv_ack);
4807                         /*
4808                          * The function(s) which did not ack in time are forced
4809                          * to withdraw any further participation in the IDC
4810                          * reset.
4811                          */
4812                         if (drv_ack != drv_presence)
4813                                 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4814                                     drv_ack);
4815                         break;
4816                 }
4817
4818                 qla83xx_idc_unlock(vha, 0);
4819                 msleep(1000);
4820                 qla83xx_idc_lock(vha, 0);
4821         }
4822
4823         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4824         ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4825 }
4826
4827 static int
4828 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4829 {
4830         int rval = QLA_SUCCESS;
4831         uint32_t idc_control;
4832
4833         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4834         ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4835
4836         /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4837         __qla83xx_get_idc_control(vha, &idc_control);
4838         idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4839         __qla83xx_set_idc_control(vha, 0);
4840
4841         qla83xx_idc_unlock(vha, 0);
4842         rval = qla83xx_restart_nic_firmware(vha);
4843         qla83xx_idc_lock(vha, 0);
4844
4845         if (rval != QLA_SUCCESS) {
4846                 ql_log(ql_log_fatal, vha, 0xb06a,
4847                     "Failed to restart NIC f/w.\n");
4848                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4849                 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4850         } else {
4851                 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4852                     "Success in restarting nic f/w.\n");
4853                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4854                 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4855         }
4856
4857         return rval;
4858 }
4859
4860 /* Assumes idc_lock always held on entry */
4861 int
4862 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4863 {
4864         struct qla_hw_data *ha = base_vha->hw;
4865         int rval = QLA_SUCCESS;
4866         unsigned long dev_init_timeout;
4867         uint32_t dev_state;
4868
4869         /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4870         dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4871
4872         while (1) {
4873
4874                 if (time_after_eq(jiffies, dev_init_timeout)) {
4875                         ql_log(ql_log_warn, base_vha, 0xb06e,
4876                             "Initialization TIMEOUT!\n");
4877                         /* Init timeout. Disable further NIC Core
4878                          * communication.
4879                          */
4880                         qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4881                                 QLA8XXX_DEV_FAILED);
4882                         ql_log(ql_log_info, base_vha, 0xb06f,
4883                             "HW State: FAILED.\n");
4884                 }
4885
4886                 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4887                 switch (dev_state) {
4888                 case QLA8XXX_DEV_READY:
4889                         if (ha->flags.nic_core_reset_owner)
4890                                 qla83xx_idc_audit(base_vha,
4891                                     IDC_AUDIT_COMPLETION);
4892                         ha->flags.nic_core_reset_owner = 0;
4893                         ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4894                             "Reset_owner reset by 0x%x.\n",
4895                             ha->portnum);
4896                         goto exit;
4897                 case QLA8XXX_DEV_COLD:
4898                         if (ha->flags.nic_core_reset_owner)
4899                                 rval = qla83xx_device_bootstrap(base_vha);
4900                         else {
4901                         /* Wait for AEN to change device-state */
4902                                 qla83xx_idc_unlock(base_vha, 0);
4903                                 msleep(1000);
4904                                 qla83xx_idc_lock(base_vha, 0);
4905                         }
4906                         break;
4907                 case QLA8XXX_DEV_INITIALIZING:
4908                         /* Wait for AEN to change device-state */
4909                         qla83xx_idc_unlock(base_vha, 0);
4910                         msleep(1000);
4911                         qla83xx_idc_lock(base_vha, 0);
4912                         break;
4913                 case QLA8XXX_DEV_NEED_RESET:
4914                         if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4915                                 qla83xx_need_reset_handler(base_vha);
4916                         else {
4917                                 /* Wait for AEN to change device-state */
4918                                 qla83xx_idc_unlock(base_vha, 0);
4919                                 msleep(1000);
4920                                 qla83xx_idc_lock(base_vha, 0);
4921                         }
4922                         /* reset timeout value after need reset handler */
4923                         dev_init_timeout = jiffies +
4924                             (ha->fcoe_dev_init_timeout * HZ);
4925                         break;
4926                 case QLA8XXX_DEV_NEED_QUIESCENT:
4927                         /* XXX: DEBUG for now */
4928                         qla83xx_idc_unlock(base_vha, 0);
4929                         msleep(1000);
4930                         qla83xx_idc_lock(base_vha, 0);
4931                         break;
4932                 case QLA8XXX_DEV_QUIESCENT:
4933                         /* XXX: DEBUG for now */
4934                         if (ha->flags.quiesce_owner)
4935                                 goto exit;
4936
4937                         qla83xx_idc_unlock(base_vha, 0);
4938                         msleep(1000);
4939                         qla83xx_idc_lock(base_vha, 0);
4940                         dev_init_timeout = jiffies +
4941                             (ha->fcoe_dev_init_timeout * HZ);
4942                         break;
4943                 case QLA8XXX_DEV_FAILED:
4944                         if (ha->flags.nic_core_reset_owner)
4945                                 qla83xx_idc_audit(base_vha,
4946                                     IDC_AUDIT_COMPLETION);
4947                         ha->flags.nic_core_reset_owner = 0;
4948                         __qla83xx_clear_drv_presence(base_vha);
4949                         qla83xx_idc_unlock(base_vha, 0);
4950                         qla8xxx_dev_failed_handler(base_vha);
4951                         rval = QLA_FUNCTION_FAILED;
4952                         qla83xx_idc_lock(base_vha, 0);
4953                         goto exit;
4954                 case QLA8XXX_BAD_VALUE:
4955                         qla83xx_idc_unlock(base_vha, 0);
4956                         msleep(1000);
4957                         qla83xx_idc_lock(base_vha, 0);
4958                         break;
4959                 default:
4960                         ql_log(ql_log_warn, base_vha, 0xb071,
4961                             "Unknown Device State: %x.\n", dev_state);
4962                         qla83xx_idc_unlock(base_vha, 0);
4963                         qla8xxx_dev_failed_handler(base_vha);
4964                         rval = QLA_FUNCTION_FAILED;
4965                         qla83xx_idc_lock(base_vha, 0);
4966                         goto exit;
4967                 }
4968         }
4969
4970 exit:
4971         return rval;
4972 }
4973
4974 void
4975 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4976 {
4977         struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4978             board_disable);
4979         struct pci_dev *pdev = ha->pdev;
4980         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4981
4982         /* if UNLOAD flag is already set, then continue unload,
4983          * where it was set first.
4984          */
4985         if (test_bit(UNLOADING, &base_vha->dpc_flags))
4986                 return;
4987
4988         ql_log(ql_log_warn, base_vha, 0x015b,
4989             "Disabling adapter.\n");
4990
4991         set_bit(UNLOADING, &base_vha->dpc_flags);
4992
4993         qla2x00_delete_all_vps(ha, base_vha);
4994
4995         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4996
4997         qla2x00_dfs_remove(base_vha);
4998
4999         qla84xx_put_chip(base_vha);
5000
5001         if (base_vha->timer_active)
5002                 qla2x00_stop_timer(base_vha);
5003
5004         base_vha->flags.online = 0;
5005
5006         qla2x00_destroy_deferred_work(ha);
5007
5008         /*
5009          * Do not try to stop beacon blink as it will issue a mailbox
5010          * command.
5011          */
5012         qla2x00_free_sysfs_attr(base_vha, false);
5013
5014         fc_remove_host(base_vha->host);
5015
5016         scsi_remove_host(base_vha->host);
5017
5018         base_vha->flags.init_done = 0;
5019         qla25xx_delete_queues(base_vha);
5020         qla2x00_free_irqs(base_vha);
5021         qla2x00_free_fcports(base_vha);
5022         qla2x00_mem_free(ha);
5023         qla82xx_md_free(base_vha);
5024         qla2x00_free_queues(ha);
5025
5026         qla2x00_unmap_iobases(ha);
5027
5028         pci_release_selected_regions(ha->pdev, ha->bars);
5029         pci_disable_pcie_error_reporting(pdev);
5030         pci_disable_device(pdev);
5031
5032         /*
5033          * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5034          */
5035 }
5036
5037 /**************************************************************************
5038 * qla2x00_do_dpc
5039 *   This kernel thread is a task that is schedule by the interrupt handler
5040 *   to perform the background processing for interrupts.
5041 *
5042 * Notes:
5043 * This task always run in the context of a kernel thread.  It
5044 * is kick-off by the driver's detect code and starts up
5045 * up one per adapter. It immediately goes to sleep and waits for
5046 * some fibre event.  When either the interrupt handler or
5047 * the timer routine detects a event it will one of the task
5048 * bits then wake us up.
5049 **************************************************************************/
5050 static int
5051 qla2x00_do_dpc(void *data)
5052 {
5053         scsi_qla_host_t *base_vha;
5054         struct qla_hw_data *ha;
5055
5056         ha = (struct qla_hw_data *)data;
5057         base_vha = pci_get_drvdata(ha->pdev);
5058
5059         set_user_nice(current, MIN_NICE);
5060
5061         set_current_state(TASK_INTERRUPTIBLE);
5062         while (!kthread_should_stop()) {
5063                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5064                     "DPC handler sleeping.\n");
5065
5066                 schedule();
5067
5068                 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5069                         goto end_loop;
5070
5071                 if (ha->flags.eeh_busy) {
5072                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5073                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
5074                         goto end_loop;
5075                 }
5076
5077                 ha->dpc_active = 1;
5078
5079                 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5080                     "DPC handler waking up, dpc_flags=0x%lx.\n",
5081                     base_vha->dpc_flags);
5082
5083                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
5084                         break;
5085
5086                 qla2x00_do_work(base_vha);
5087
5088                 if (IS_P3P_TYPE(ha)) {
5089                         if (IS_QLA8044(ha)) {
5090                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5091                                         &base_vha->dpc_flags)) {
5092                                         qla8044_idc_lock(ha);
5093                                         qla8044_wr_direct(base_vha,
5094                                                 QLA8044_CRB_DEV_STATE_INDEX,
5095                                                 QLA8XXX_DEV_FAILED);
5096                                         qla8044_idc_unlock(ha);
5097                                         ql_log(ql_log_info, base_vha, 0x4004,
5098                                                 "HW State: FAILED.\n");
5099                                         qla8044_device_state_handler(base_vha);
5100                                         continue;
5101                                 }
5102
5103                         } else {
5104                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5105                                         &base_vha->dpc_flags)) {
5106                                         qla82xx_idc_lock(ha);
5107                                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5108                                                 QLA8XXX_DEV_FAILED);
5109                                         qla82xx_idc_unlock(ha);
5110                                         ql_log(ql_log_info, base_vha, 0x0151,
5111                                                 "HW State: FAILED.\n");
5112                                         qla82xx_device_state_handler(base_vha);
5113                                         continue;
5114                                 }
5115                         }
5116
5117                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5118                                 &base_vha->dpc_flags)) {
5119
5120                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5121                                     "FCoE context reset scheduled.\n");
5122                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5123                                         &base_vha->dpc_flags))) {
5124                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
5125                                                 /* FCoE-ctx reset failed.
5126                                                  * Escalate to chip-reset
5127                                                  */
5128                                                 set_bit(ISP_ABORT_NEEDED,
5129                                                         &base_vha->dpc_flags);
5130                                         }
5131                                         clear_bit(ABORT_ISP_ACTIVE,
5132                                                 &base_vha->dpc_flags);
5133                                 }
5134
5135                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5136                                     "FCoE context reset end.\n");
5137                         }
5138                 } else if (IS_QLAFX00(ha)) {
5139                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
5140                                 &base_vha->dpc_flags)) {
5141                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5142                                     "Firmware Reset Recovery\n");
5143                                 if (qlafx00_reset_initialize(base_vha)) {
5144                                         /* Failed. Abort isp later. */
5145                                         if (!test_bit(UNLOADING,
5146                                             &base_vha->dpc_flags)) {
5147                                                 set_bit(ISP_UNRECOVERABLE,
5148                                                     &base_vha->dpc_flags);
5149                                                 ql_dbg(ql_dbg_dpc, base_vha,
5150                                                     0x4021,
5151                                                     "Reset Recovery Failed\n");
5152                                         }
5153                                 }
5154                         }
5155
5156                         if (test_and_clear_bit(FX00_TARGET_SCAN,
5157                                 &base_vha->dpc_flags)) {
5158                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
5159                                     "ISPFx00 Target Scan scheduled\n");
5160                                 if (qlafx00_rescan_isp(base_vha)) {
5161                                         if (!test_bit(UNLOADING,
5162                                             &base_vha->dpc_flags))
5163                                                 set_bit(ISP_UNRECOVERABLE,
5164                                                     &base_vha->dpc_flags);
5165                                         ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
5166                                             "ISPFx00 Target Scan Failed\n");
5167                                 }
5168                                 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
5169                                     "ISPFx00 Target Scan End\n");
5170                         }
5171                         if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
5172                                 &base_vha->dpc_flags)) {
5173                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
5174                                     "ISPFx00 Host Info resend scheduled\n");
5175                                 qlafx00_fx_disc(base_vha,
5176                                     &base_vha->hw->mr.fcport,
5177                                     FXDISC_REG_HOST_INFO);
5178                         }
5179                 }
5180
5181                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
5182                                                 &base_vha->dpc_flags)) {
5183
5184                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
5185                             "ISP abort scheduled.\n");
5186                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5187                             &base_vha->dpc_flags))) {
5188
5189                                 if (ha->isp_ops->abort_isp(base_vha)) {
5190                                         /* failed. retry later */
5191                                         set_bit(ISP_ABORT_NEEDED,
5192                                             &base_vha->dpc_flags);
5193                                 }
5194                                 clear_bit(ABORT_ISP_ACTIVE,
5195                                                 &base_vha->dpc_flags);
5196                         }
5197
5198                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
5199                             "ISP abort end.\n");
5200                 }
5201
5202                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
5203                     &base_vha->dpc_flags)) {
5204                         qla2x00_update_fcports(base_vha);
5205                 }
5206
5207                 if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
5208                         int ret;
5209                         ret = qla2x00_send_change_request(base_vha, 0x3, 0);
5210                         if (ret != QLA_SUCCESS)
5211                                 ql_log(ql_log_warn, base_vha, 0x121,
5212                                     "Failed to enable receiving of RSCN "
5213                                     "requests: 0x%x.\n", ret);
5214                         clear_bit(SCR_PENDING, &base_vha->dpc_flags);
5215                 }
5216
5217                 if (IS_QLAFX00(ha))
5218                         goto loop_resync_check;
5219
5220                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
5221                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
5222                             "Quiescence mode scheduled.\n");
5223                         if (IS_P3P_TYPE(ha)) {
5224                                 if (IS_QLA82XX(ha))
5225                                         qla82xx_device_state_handler(base_vha);
5226                                 if (IS_QLA8044(ha))
5227                                         qla8044_device_state_handler(base_vha);
5228                                 clear_bit(ISP_QUIESCE_NEEDED,
5229                                     &base_vha->dpc_flags);
5230                                 if (!ha->flags.quiesce_owner) {
5231                                         qla2x00_perform_loop_resync(base_vha);
5232                                         if (IS_QLA82XX(ha)) {
5233                                                 qla82xx_idc_lock(ha);
5234                                                 qla82xx_clear_qsnt_ready(
5235                                                     base_vha);
5236                                                 qla82xx_idc_unlock(ha);
5237                                         } else if (IS_QLA8044(ha)) {
5238                                                 qla8044_idc_lock(ha);
5239                                                 qla8044_clear_qsnt_ready(
5240                                                     base_vha);
5241                                                 qla8044_idc_unlock(ha);
5242                                         }
5243                                 }
5244                         } else {
5245                                 clear_bit(ISP_QUIESCE_NEEDED,
5246                                     &base_vha->dpc_flags);
5247                                 qla2x00_quiesce_io(base_vha);
5248                         }
5249                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
5250                             "Quiescence mode end.\n");
5251                 }
5252
5253                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
5254                                 &base_vha->dpc_flags) &&
5255                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5256
5257                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5258                             "Reset marker scheduled.\n");
5259                         qla2x00_rst_aen(base_vha);
5260                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5261                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5262                             "Reset marker end.\n");
5263                 }
5264
5265                 /* Retry each device up to login retry count */
5266                 if ((test_and_clear_bit(RELOGIN_NEEDED,
5267                                                 &base_vha->dpc_flags)) &&
5268                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5269                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5270
5271                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5272                             "Relogin scheduled.\n");
5273                         qla2x00_relogin(base_vha);
5274                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5275                             "Relogin end.\n");
5276                 }
5277 loop_resync_check:
5278                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5279                     &base_vha->dpc_flags)) {
5280
5281                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5282                             "Loop resync scheduled.\n");
5283
5284                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5285                             &base_vha->dpc_flags))) {
5286
5287                                 qla2x00_loop_resync(base_vha);
5288
5289                                 clear_bit(LOOP_RESYNC_ACTIVE,
5290                                                 &base_vha->dpc_flags);
5291                         }
5292
5293                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5294                             "Loop resync end.\n");
5295                 }
5296
5297                 if (IS_QLAFX00(ha))
5298                         goto intr_on_check;
5299
5300                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5301                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
5302                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5303                         qla2xxx_flash_npiv_conf(base_vha);
5304                 }
5305
5306 intr_on_check:
5307                 if (!ha->interrupts_on)
5308                         ha->isp_ops->enable_intrs(ha);
5309
5310                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5311                                         &base_vha->dpc_flags)) {
5312                         if (ha->beacon_blink_led == 1)
5313                                 ha->isp_ops->beacon_blink(base_vha);
5314                 }
5315
5316                 if (!IS_QLAFX00(ha))
5317                         qla2x00_do_dpc_all_vps(base_vha);
5318
5319                 ha->dpc_active = 0;
5320 end_loop:
5321                 set_current_state(TASK_INTERRUPTIBLE);
5322         } /* End of while(1) */
5323         __set_current_state(TASK_RUNNING);
5324
5325         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5326             "DPC handler exiting.\n");
5327
5328         /*
5329          * Make sure that nobody tries to wake us up again.
5330          */
5331         ha->dpc_active = 0;
5332
5333         /* Cleanup any residual CTX SRBs. */
5334         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5335
5336         return 0;
5337 }
5338
5339 void
5340 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5341 {
5342         struct qla_hw_data *ha = vha->hw;
5343         struct task_struct *t = ha->dpc_thread;
5344
5345         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5346                 wake_up_process(t);
5347 }
5348
5349 /*
5350 *  qla2x00_rst_aen
5351 *      Processes asynchronous reset.
5352 *
5353 * Input:
5354 *      ha  = adapter block pointer.
5355 */
5356 static void
5357 qla2x00_rst_aen(scsi_qla_host_t *vha)
5358 {
5359         if (vha->flags.online && !vha->flags.reset_active &&
5360             !atomic_read(&vha->loop_down_timer) &&
5361             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5362                 do {
5363                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5364
5365                         /*
5366                          * Issue marker command only when we are going to start
5367                          * the I/O.
5368                          */
5369                         vha->marker_needed = 1;
5370                 } while (!atomic_read(&vha->loop_down_timer) &&
5371                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5372         }
5373 }
5374
5375 /**************************************************************************
5376 *   qla2x00_timer
5377 *
5378 * Description:
5379 *   One second timer
5380 *
5381 * Context: Interrupt
5382 ***************************************************************************/
5383 void
5384 qla2x00_timer(scsi_qla_host_t *vha)
5385 {
5386         unsigned long   cpu_flags = 0;
5387         int             start_dpc = 0;
5388         int             index;
5389         srb_t           *sp;
5390         uint16_t        w;
5391         struct qla_hw_data *ha = vha->hw;
5392         struct req_que *req;
5393
5394         if (ha->flags.eeh_busy) {
5395                 ql_dbg(ql_dbg_timer, vha, 0x6000,
5396                     "EEH = %d, restarting timer.\n",
5397                     ha->flags.eeh_busy);
5398                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5399                 return;
5400         }
5401
5402         /*
5403          * Hardware read to raise pending EEH errors during mailbox waits. If
5404          * the read returns -1 then disable the board.
5405          */
5406         if (!pci_channel_offline(ha->pdev)) {
5407                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5408                 qla2x00_check_reg16_for_disconnect(vha, w);
5409         }
5410
5411         /* Make sure qla82xx_watchdog is run only for physical port */
5412         if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5413                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5414                         start_dpc++;
5415                 if (IS_QLA82XX(ha))
5416                         qla82xx_watchdog(vha);
5417                 else if (IS_QLA8044(ha))
5418                         qla8044_watchdog(vha);
5419         }
5420
5421         if (!vha->vp_idx && IS_QLAFX00(ha))
5422                 qlafx00_timer_routine(vha);
5423
5424         /* Loop down handler. */
5425         if (atomic_read(&vha->loop_down_timer) > 0 &&
5426             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5427             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5428                 && vha->flags.online) {
5429
5430                 if (atomic_read(&vha->loop_down_timer) ==
5431                     vha->loop_down_abort_time) {
5432
5433                         ql_log(ql_log_info, vha, 0x6008,
5434                             "Loop down - aborting the queues before time expires.\n");
5435
5436                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
5437                                 atomic_set(&vha->loop_state, LOOP_DEAD);
5438
5439                         /*
5440                          * Schedule an ISP abort to return any FCP2-device
5441                          * commands.
5442                          */
5443                         /* NPIV - scan physical port only */
5444                         if (!vha->vp_idx) {
5445                                 spin_lock_irqsave(&ha->hardware_lock,
5446                                     cpu_flags);
5447                                 req = ha->req_q_map[0];
5448                                 for (index = 1;
5449                                     index < req->num_outstanding_cmds;
5450                                     index++) {
5451                                         fc_port_t *sfcp;
5452
5453                                         sp = req->outstanding_cmds[index];
5454                                         if (!sp)
5455                                                 continue;
5456                                         if (sp->type != SRB_SCSI_CMD)
5457                                                 continue;
5458                                         sfcp = sp->fcport;
5459                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
5460                                                 continue;
5461
5462                                         if (IS_QLA82XX(ha))
5463                                                 set_bit(FCOE_CTX_RESET_NEEDED,
5464                                                         &vha->dpc_flags);
5465                                         else
5466                                                 set_bit(ISP_ABORT_NEEDED,
5467                                                         &vha->dpc_flags);
5468                                         break;
5469                                 }
5470                                 spin_unlock_irqrestore(&ha->hardware_lock,
5471                                                                 cpu_flags);
5472                         }
5473                         start_dpc++;
5474                 }
5475
5476                 /* if the loop has been down for 4 minutes, reinit adapter */
5477                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5478                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
5479                                 ql_log(ql_log_warn, vha, 0x6009,
5480                                     "Loop down - aborting ISP.\n");
5481
5482                                 if (IS_QLA82XX(ha))
5483                                         set_bit(FCOE_CTX_RESET_NEEDED,
5484                                                 &vha->dpc_flags);
5485                                 else
5486                                         set_bit(ISP_ABORT_NEEDED,
5487                                                 &vha->dpc_flags);
5488                         }
5489                 }
5490                 ql_dbg(ql_dbg_timer, vha, 0x600a,
5491                     "Loop down - seconds remaining %d.\n",
5492                     atomic_read(&vha->loop_down_timer));
5493         }
5494         /* Check if beacon LED needs to be blinked for physical host only */
5495         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5496                 /* There is no beacon_blink function for ISP82xx */
5497                 if (!IS_P3P_TYPE(ha)) {
5498                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5499                         start_dpc++;
5500                 }
5501         }
5502
5503         /* Process any deferred work. */
5504         if (!list_empty(&vha->work_list))
5505                 start_dpc++;
5506
5507         /* Schedule the DPC routine if needed */
5508         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5509             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5510             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5511             start_dpc ||
5512             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5513             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5514             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5515             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5516             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5517             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5518                 ql_dbg(ql_dbg_timer, vha, 0x600b,
5519                     "isp_abort_needed=%d loop_resync_needed=%d "
5520                     "fcport_update_needed=%d start_dpc=%d "
5521                     "reset_marker_needed=%d",
5522                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5523                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5524                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5525                     start_dpc,
5526                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5527                 ql_dbg(ql_dbg_timer, vha, 0x600c,
5528                     "beacon_blink_needed=%d isp_unrecoverable=%d "
5529                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5530                     "relogin_needed=%d.\n",
5531                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5532                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5533                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5534                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5535                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5536                 qla2xxx_wake_dpc(vha);
5537         }
5538
5539         qla2x00_restart_timer(vha, WATCH_INTERVAL);
5540 }
5541
5542 /* Firmware interface routines. */
5543
5544 #define FW_BLOBS        11
5545 #define FW_ISP21XX      0
5546 #define FW_ISP22XX      1
5547 #define FW_ISP2300      2
5548 #define FW_ISP2322      3
5549 #define FW_ISP24XX      4
5550 #define FW_ISP25XX      5
5551 #define FW_ISP81XX      6
5552 #define FW_ISP82XX      7
5553 #define FW_ISP2031      8
5554 #define FW_ISP8031      9
5555 #define FW_ISP27XX      10
5556
5557 #define FW_FILE_ISP21XX "ql2100_fw.bin"
5558 #define FW_FILE_ISP22XX "ql2200_fw.bin"
5559 #define FW_FILE_ISP2300 "ql2300_fw.bin"
5560 #define FW_FILE_ISP2322 "ql2322_fw.bin"
5561 #define FW_FILE_ISP24XX "ql2400_fw.bin"
5562 #define FW_FILE_ISP25XX "ql2500_fw.bin"
5563 #define FW_FILE_ISP81XX "ql8100_fw.bin"
5564 #define FW_FILE_ISP82XX "ql8200_fw.bin"
5565 #define FW_FILE_ISP2031 "ql2600_fw.bin"
5566 #define FW_FILE_ISP8031 "ql8300_fw.bin"
5567 #define FW_FILE_ISP27XX "ql2700_fw.bin"
5568
5569
5570 static DEFINE_MUTEX(qla_fw_lock);
5571
5572 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5573         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5574         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5575         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5576         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5577         { .name = FW_FILE_ISP24XX, },
5578         { .name = FW_FILE_ISP25XX, },
5579         { .name = FW_FILE_ISP81XX, },
5580         { .name = FW_FILE_ISP82XX, },
5581         { .name = FW_FILE_ISP2031, },
5582         { .name = FW_FILE_ISP8031, },
5583         { .name = FW_FILE_ISP27XX, },
5584 };
5585
5586 struct fw_blob *
5587 qla2x00_request_firmware(scsi_qla_host_t *vha)
5588 {
5589         struct qla_hw_data *ha = vha->hw;
5590         struct fw_blob *blob;
5591
5592         if (IS_QLA2100(ha)) {
5593                 blob = &qla_fw_blobs[FW_ISP21XX];
5594         } else if (IS_QLA2200(ha)) {
5595                 blob = &qla_fw_blobs[FW_ISP22XX];
5596         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5597                 blob = &qla_fw_blobs[FW_ISP2300];
5598         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5599                 blob = &qla_fw_blobs[FW_ISP2322];
5600         } else if (IS_QLA24XX_TYPE(ha)) {
5601                 blob = &qla_fw_blobs[FW_ISP24XX];
5602         } else if (IS_QLA25XX(ha)) {
5603                 blob = &qla_fw_blobs[FW_ISP25XX];
5604         } else if (IS_QLA81XX(ha)) {
5605                 blob = &qla_fw_blobs[FW_ISP81XX];
5606         } else if (IS_QLA82XX(ha)) {
5607                 blob = &qla_fw_blobs[FW_ISP82XX];
5608         } else if (IS_QLA2031(ha)) {
5609                 blob = &qla_fw_blobs[FW_ISP2031];
5610         } else if (IS_QLA8031(ha)) {
5611                 blob = &qla_fw_blobs[FW_ISP8031];
5612         } else if (IS_QLA27XX(ha)) {
5613                 blob = &qla_fw_blobs[FW_ISP27XX];
5614         } else {
5615                 return NULL;
5616         }
5617
5618         mutex_lock(&qla_fw_lock);
5619         if (blob->fw)
5620                 goto out;
5621
5622         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5623                 ql_log(ql_log_warn, vha, 0x0063,
5624                     "Failed to load firmware image (%s).\n", blob->name);
5625                 blob->fw = NULL;
5626                 blob = NULL;
5627                 goto out;
5628         }
5629
5630 out:
5631         mutex_unlock(&qla_fw_lock);
5632         return blob;
5633 }
5634
5635 static void
5636 qla2x00_release_firmware(void)
5637 {
5638         int idx;
5639
5640         mutex_lock(&qla_fw_lock);
5641         for (idx = 0; idx < FW_BLOBS; idx++)
5642                 release_firmware(qla_fw_blobs[idx].fw);
5643         mutex_unlock(&qla_fw_lock);
5644 }
5645
5646 static pci_ers_result_t
5647 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5648 {
5649         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5650         struct qla_hw_data *ha = vha->hw;
5651
5652         ql_dbg(ql_dbg_aer, vha, 0x9000,
5653             "PCI error detected, state %x.\n", state);
5654
5655         switch (state) {
5656         case pci_channel_io_normal:
5657                 ha->flags.eeh_busy = 0;
5658                 return PCI_ERS_RESULT_CAN_RECOVER;
5659         case pci_channel_io_frozen:
5660                 ha->flags.eeh_busy = 1;
5661                 /* For ISP82XX complete any pending mailbox cmd */
5662                 if (IS_QLA82XX(ha)) {
5663                         ha->flags.isp82xx_fw_hung = 1;
5664                         ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5665                         qla82xx_clear_pending_mbx(vha);
5666                 }
5667                 qla2x00_free_irqs(vha);
5668                 pci_disable_device(pdev);
5669                 /* Return back all IOs */
5670                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5671                 return PCI_ERS_RESULT_NEED_RESET;
5672         case pci_channel_io_perm_failure:
5673                 ha->flags.pci_channel_io_perm_failure = 1;
5674                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5675                 return PCI_ERS_RESULT_DISCONNECT;
5676         }
5677         return PCI_ERS_RESULT_NEED_RESET;
5678 }
5679
5680 static pci_ers_result_t
5681 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5682 {
5683         int risc_paused = 0;
5684         uint32_t stat;
5685         unsigned long flags;
5686         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5687         struct qla_hw_data *ha = base_vha->hw;
5688         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5689         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5690
5691         if (IS_QLA82XX(ha))
5692                 return PCI_ERS_RESULT_RECOVERED;
5693
5694         spin_lock_irqsave(&ha->hardware_lock, flags);
5695         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5696                 stat = RD_REG_DWORD(&reg->hccr);
5697                 if (stat & HCCR_RISC_PAUSE)
5698                         risc_paused = 1;
5699         } else if (IS_QLA23XX(ha)) {
5700                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5701                 if (stat & HSR_RISC_PAUSED)
5702                         risc_paused = 1;
5703         } else if (IS_FWI2_CAPABLE(ha)) {
5704                 stat = RD_REG_DWORD(&reg24->host_status);
5705                 if (stat & HSRX_RISC_PAUSED)
5706                         risc_paused = 1;
5707         }
5708         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5709
5710         if (risc_paused) {
5711                 ql_log(ql_log_info, base_vha, 0x9003,
5712                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
5713                 ha->isp_ops->fw_dump(base_vha, 0);
5714
5715                 return PCI_ERS_RESULT_NEED_RESET;
5716         } else
5717                 return PCI_ERS_RESULT_RECOVERED;
5718 }
5719
5720 static uint32_t
5721 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5722 {
5723         uint32_t rval = QLA_FUNCTION_FAILED;
5724         uint32_t drv_active = 0;
5725         struct qla_hw_data *ha = base_vha->hw;
5726         int fn;
5727         struct pci_dev *other_pdev = NULL;
5728
5729         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5730             "Entered %s.\n", __func__);
5731
5732         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5733
5734         if (base_vha->flags.online) {
5735                 /* Abort all outstanding commands,
5736                  * so as to be requeued later */
5737                 qla2x00_abort_isp_cleanup(base_vha);
5738         }
5739
5740
5741         fn = PCI_FUNC(ha->pdev->devfn);
5742         while (fn > 0) {
5743                 fn--;
5744                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5745                     "Finding pci device at function = 0x%x.\n", fn);
5746                 other_pdev =
5747                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5748                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5749                     fn));
5750
5751                 if (!other_pdev)
5752                         continue;
5753                 if (atomic_read(&other_pdev->enable_cnt)) {
5754                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5755                             "Found PCI func available and enable at 0x%x.\n",
5756                             fn);
5757                         pci_dev_put(other_pdev);
5758                         break;
5759                 }
5760                 pci_dev_put(other_pdev);
5761         }
5762
5763         if (!fn) {
5764                 /* Reset owner */
5765                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5766                     "This devfn is reset owner = 0x%x.\n",
5767                     ha->pdev->devfn);
5768                 qla82xx_idc_lock(ha);
5769
5770                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5771                     QLA8XXX_DEV_INITIALIZING);
5772
5773                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5774                     QLA82XX_IDC_VERSION);
5775
5776                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5777                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5778                     "drv_active = 0x%x.\n", drv_active);
5779
5780                 qla82xx_idc_unlock(ha);
5781                 /* Reset if device is not already reset
5782                  * drv_active would be 0 if a reset has already been done
5783                  */
5784                 if (drv_active)
5785                         rval = qla82xx_start_firmware(base_vha);
5786                 else
5787                         rval = QLA_SUCCESS;
5788                 qla82xx_idc_lock(ha);
5789
5790                 if (rval != QLA_SUCCESS) {
5791                         ql_log(ql_log_info, base_vha, 0x900b,
5792                             "HW State: FAILED.\n");
5793                         qla82xx_clear_drv_active(ha);
5794                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5795                             QLA8XXX_DEV_FAILED);
5796                 } else {
5797                         ql_log(ql_log_info, base_vha, 0x900c,
5798                             "HW State: READY.\n");
5799                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5800                             QLA8XXX_DEV_READY);
5801                         qla82xx_idc_unlock(ha);
5802                         ha->flags.isp82xx_fw_hung = 0;
5803                         rval = qla82xx_restart_isp(base_vha);
5804                         qla82xx_idc_lock(ha);
5805                         /* Clear driver state register */
5806                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5807                         qla82xx_set_drv_active(base_vha);
5808                 }
5809                 qla82xx_idc_unlock(ha);
5810         } else {
5811                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5812                     "This devfn is not reset owner = 0x%x.\n",
5813                     ha->pdev->devfn);
5814                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5815                     QLA8XXX_DEV_READY)) {
5816                         ha->flags.isp82xx_fw_hung = 0;
5817                         rval = qla82xx_restart_isp(base_vha);
5818                         qla82xx_idc_lock(ha);
5819                         qla82xx_set_drv_active(base_vha);
5820                         qla82xx_idc_unlock(ha);
5821                 }
5822         }
5823         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5824
5825         return rval;
5826 }
5827
5828 static pci_ers_result_t
5829 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5830 {
5831         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5832         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5833         struct qla_hw_data *ha = base_vha->hw;
5834         struct rsp_que *rsp;
5835         int rc, retries = 10;
5836
5837         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5838             "Slot Reset.\n");
5839
5840         /* Workaround: qla2xxx driver which access hardware earlier
5841          * needs error state to be pci_channel_io_online.
5842          * Otherwise mailbox command timesout.
5843          */
5844         pdev->error_state = pci_channel_io_normal;
5845
5846         pci_restore_state(pdev);
5847
5848         /* pci_restore_state() clears the saved_state flag of the device
5849          * save restored state which resets saved_state flag
5850          */
5851         pci_save_state(pdev);
5852
5853         if (ha->mem_only)
5854                 rc = pci_enable_device_mem(pdev);
5855         else
5856                 rc = pci_enable_device(pdev);
5857
5858         if (rc) {
5859                 ql_log(ql_log_warn, base_vha, 0x9005,
5860                     "Can't re-enable PCI device after reset.\n");
5861                 goto exit_slot_reset;
5862         }
5863
5864         rsp = ha->rsp_q_map[0];
5865         if (qla2x00_request_irqs(ha, rsp))
5866                 goto exit_slot_reset;
5867
5868         if (ha->isp_ops->pci_config(base_vha))
5869                 goto exit_slot_reset;
5870
5871         if (IS_QLA82XX(ha)) {
5872                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5873                         ret = PCI_ERS_RESULT_RECOVERED;
5874                         goto exit_slot_reset;
5875                 } else
5876                         goto exit_slot_reset;
5877         }
5878
5879         while (ha->flags.mbox_busy && retries--)
5880                 msleep(1000);
5881
5882         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5883         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5884                 ret =  PCI_ERS_RESULT_RECOVERED;
5885         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5886
5887
5888 exit_slot_reset:
5889         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5890             "slot_reset return %x.\n", ret);
5891
5892         return ret;
5893 }
5894
5895 static void
5896 qla2xxx_pci_resume(struct pci_dev *pdev)
5897 {
5898         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5899         struct qla_hw_data *ha = base_vha->hw;
5900         int ret;
5901
5902         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5903             "pci_resume.\n");
5904
5905         ret = qla2x00_wait_for_hba_online(base_vha);
5906         if (ret != QLA_SUCCESS) {
5907                 ql_log(ql_log_fatal, base_vha, 0x9002,
5908                     "The device failed to resume I/O from slot/link_reset.\n");
5909         }
5910
5911         pci_cleanup_aer_uncorrect_error_status(pdev);
5912
5913         ha->flags.eeh_busy = 0;
5914 }
5915
5916 static void
5917 qla83xx_disable_laser(scsi_qla_host_t *vha)
5918 {
5919         uint32_t reg, data, fn;
5920         struct qla_hw_data *ha = vha->hw;
5921         struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5922
5923         /* pci func #/port # */
5924         ql_dbg(ql_dbg_init, vha, 0x004b,
5925             "Disabling Laser for hba: %p\n", vha);
5926
5927         fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5928                 (BIT_15|BIT_14|BIT_13|BIT_12));
5929
5930         fn = (fn >> 12);
5931
5932         if (fn & 1)
5933                 reg = PORT_1_2031;
5934         else
5935                 reg = PORT_0_2031;
5936
5937         data = LASER_OFF_2031;
5938
5939         qla83xx_wr_reg(vha, reg, data);
5940 }
5941
5942 static const struct pci_error_handlers qla2xxx_err_handler = {
5943         .error_detected = qla2xxx_pci_error_detected,
5944         .mmio_enabled = qla2xxx_pci_mmio_enabled,
5945         .slot_reset = qla2xxx_pci_slot_reset,
5946         .resume = qla2xxx_pci_resume,
5947 };
5948
5949 static struct pci_device_id qla2xxx_pci_tbl[] = {
5950         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5951         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5952         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5953         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5954         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5955         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5956         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5957         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5958         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5959         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5960         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5961         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5962         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5963         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5964         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5965         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5966         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5967         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5968         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5969         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5970         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5971         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
5972         { 0 },
5973 };
5974 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5975
5976 static struct pci_driver qla2xxx_pci_driver = {
5977         .name           = QLA2XXX_DRIVER_NAME,
5978         .driver         = {
5979                 .owner          = THIS_MODULE,
5980         },
5981         .id_table       = qla2xxx_pci_tbl,
5982         .probe          = qla2x00_probe_one,
5983         .remove         = qla2x00_remove_one,
5984         .shutdown       = qla2x00_shutdown,
5985         .err_handler    = &qla2xxx_err_handler,
5986 };
5987
5988 static const struct file_operations apidev_fops = {
5989         .owner = THIS_MODULE,
5990         .llseek = noop_llseek,
5991 };
5992
5993 /**
5994  * qla2x00_module_init - Module initialization.
5995  **/
5996 static int __init
5997 qla2x00_module_init(void)
5998 {
5999         int ret = 0;
6000
6001         /* Allocate cache for SRBs. */
6002         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6003             SLAB_HWCACHE_ALIGN, NULL);
6004         if (srb_cachep == NULL) {
6005                 ql_log(ql_log_fatal, NULL, 0x0001,
6006                     "Unable to allocate SRB cache...Failing load!.\n");
6007                 return -ENOMEM;
6008         }
6009
6010         /* Initialize target kmem_cache and mem_pools */
6011         ret = qlt_init();
6012         if (ret < 0) {
6013                 kmem_cache_destroy(srb_cachep);
6014                 return ret;
6015         } else if (ret > 0) {
6016                 /*
6017                  * If initiator mode is explictly disabled by qlt_init(),
6018                  * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
6019                  * performing scsi_scan_target() during LOOP UP event.
6020                  */
6021                 qla2xxx_transport_functions.disable_target_scan = 1;
6022                 qla2xxx_transport_vport_functions.disable_target_scan = 1;
6023         }
6024
6025         /* Derive version string. */
6026         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6027         if (ql2xextended_error_logging)
6028                 strcat(qla2x00_version_str, "-debug");
6029
6030         qla2xxx_transport_template =
6031             fc_attach_transport(&qla2xxx_transport_functions);
6032         if (!qla2xxx_transport_template) {
6033                 kmem_cache_destroy(srb_cachep);
6034                 ql_log(ql_log_fatal, NULL, 0x0002,
6035                     "fc_attach_transport failed...Failing load!.\n");
6036                 qlt_exit();
6037                 return -ENODEV;
6038         }
6039
6040         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
6041         if (apidev_major < 0) {
6042                 ql_log(ql_log_fatal, NULL, 0x0003,
6043                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6044         }
6045
6046         qla2xxx_transport_vport_template =
6047             fc_attach_transport(&qla2xxx_transport_vport_functions);
6048         if (!qla2xxx_transport_vport_template) {
6049                 kmem_cache_destroy(srb_cachep);
6050                 qlt_exit();
6051                 fc_release_transport(qla2xxx_transport_template);
6052                 ql_log(ql_log_fatal, NULL, 0x0004,
6053                     "fc_attach_transport vport failed...Failing load!.\n");
6054                 return -ENODEV;
6055         }
6056         ql_log(ql_log_info, NULL, 0x0005,
6057             "QLogic Fibre Channel HBA Driver: %s.\n",
6058             qla2x00_version_str);
6059         ret = pci_register_driver(&qla2xxx_pci_driver);
6060         if (ret) {
6061                 kmem_cache_destroy(srb_cachep);
6062                 qlt_exit();
6063                 fc_release_transport(qla2xxx_transport_template);
6064                 fc_release_transport(qla2xxx_transport_vport_template);
6065                 ql_log(ql_log_fatal, NULL, 0x0006,
6066                     "pci_register_driver failed...ret=%d Failing load!.\n",
6067                     ret);
6068         }
6069         return ret;
6070 }
6071
6072 /**
6073  * qla2x00_module_exit - Module cleanup.
6074  **/
6075 static void __exit
6076 qla2x00_module_exit(void)
6077 {
6078         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6079         pci_unregister_driver(&qla2xxx_pci_driver);
6080         qla2x00_release_firmware();
6081         kmem_cache_destroy(srb_cachep);
6082         qlt_exit();
6083         if (ctx_cachep)
6084                 kmem_cache_destroy(ctx_cachep);
6085         fc_release_transport(qla2xxx_transport_template);
6086         fc_release_transport(qla2xxx_transport_vport_template);
6087 }
6088
6089 module_init(qla2x00_module_init);
6090 module_exit(qla2x00_module_exit);
6091
6092 MODULE_AUTHOR("QLogic Corporation");
6093 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
6094 MODULE_LICENSE("GPL");
6095 MODULE_VERSION(QLA2XXX_VERSION);
6096 MODULE_FIRMWARE(FW_FILE_ISP21XX);
6097 MODULE_FIRMWARE(FW_FILE_ISP22XX);
6098 MODULE_FIRMWARE(FW_FILE_ISP2300);
6099 MODULE_FIRMWARE(FW_FILE_ISP2322);
6100 MODULE_FIRMWARE(FW_FILE_ISP24XX);
6101 MODULE_FIRMWARE(FW_FILE_ISP25XX);