drivers/scsi/bfa/bfad.c

   1 /*
   2  * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 /**
  19  *  bfad.c Linux driver PCI interface module.
  20  */
  21
  22 #include <linux/slab.h>
  23 #include <linux/module.h>
  24 #include <linux/kthread.h>
  25 #include "bfad_drv.h"
  26 #include "bfad_im.h"
  27 #include "bfad_tm.h"
  28 #include "bfad_ipfc.h"
  29 #include "bfad_trcmod.h"
  30 #include <fcb/bfa_fcb_vf.h>
  31 #include <fcb/bfa_fcb_rport.h>
  32 #include <fcb/bfa_fcb_port.h>
  33 #include <fcb/bfa_fcb.h>
  34
  35 BFA_TRC_FILE(LDRV, BFAD);
  36 DEFINE_MUTEX(bfad_mutex);
  37 LIST_HEAD(bfad_list);
  38 static int      bfad_inst;
  39 int bfad_supported_fc4s;
  40
  41 static char     *host_name;
  42 static char     *os_name;
  43 static char     *os_patch;
  44 static int      num_rports;
  45 static int      num_ios;
  46 static int      num_tms;
  47 static int      num_fcxps;
  48 static int      num_ufbufs;
  49 static int      reqq_size;
  50 static int      rspq_size;
  51 static int      num_sgpgs;
  52 static int      rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  53 static int      bfa_io_max_sge = BFAD_IO_MAX_SGE;
  54 static int      log_level = BFA_LOG_WARNING;
  55 static int      ioc_auto_recover = BFA_TRUE;
  56 static int      ipfc_enable = BFA_FALSE;
  57 static int      fdmi_enable = BFA_TRUE;
  58 int             bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  59 int             bfa_linkup_delay = -1;
  60 int             bfa_debugfs_enable = 1;
  61
  62 module_param(os_name, charp, S_IRUGO | S_IWUSR);
  63 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  64 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  65 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  66 module_param(host_name, charp, S_IRUGO | S_IWUSR);
  67 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  68 module_param(num_rports, int, S_IRUGO | S_IWUSR);
  69 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port"
  70                 " (physical/logical), default=1024");
  71 module_param(num_ios, int, S_IRUGO | S_IWUSR);
  72 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  73 module_param(num_tms, int, S_IRUGO | S_IWUSR);
  74 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
  75 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
  76 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
  77 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
  78 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame buffers,"
  79                 " default=64");
  80 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
  81 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements,"
  82                 " default=256");
  83 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
  84 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements,"
  85                 " default=64");
  86 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
  87 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
  88 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
  89 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs,"
  90                 " Range[>0]");
  91 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
  92 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32,"
  93                 " Range[>0]");
  94 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
  95 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
  96 module_param(log_level, int, S_IRUGO | S_IWUSR);
  97 MODULE_PARM_DESC(log_level, "Driver log level, default=3,"
  98                 " Range[Critical:1|Error:2|Warning:3|Info:4]");
  99 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 100 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1,"
 101                 " Range[off:0|on:1]");
 102 module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
 103 MODULE_PARM_DESC(ipfc_enable, "Enable IPoFC, default=0, Range[off:0|on:1]");
 104 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 105 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for boot"
 106                 " port. Otherwise Range[>0]");
 107 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 108 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1,"
 109                 " Range[false:0|true:1]");
 110 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 111 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 112                 " Range[false:0|true:1]");
 113
 114 /*
 115  * Stores the module parm num_sgpgs value;
 116  * used to reset for bfad next instance.
 117  */
 118 static int num_sgpgs_parm;
 119
 120 static bfa_status_t
 121 bfad_fc4_probe(struct bfad_s *bfad)
 122 {
 123         int             rc;
 124
 125         rc = bfad_im_probe(bfad);
 126         if (rc != BFA_STATUS_OK)
 127                 goto ext;
 128
 129         bfad_tm_probe(bfad);
 130
 131         if (ipfc_enable)
 132                 bfad_ipfc_probe(bfad);
 133
 134         bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
 135 ext:
 136         return rc;
 137 }
 138
 139 static void
 140 bfad_fc4_probe_undo(struct bfad_s *bfad)
 141 {
 142         bfad_im_probe_undo(bfad);
 143         bfad_tm_probe_undo(bfad);
 144         if (ipfc_enable)
 145                 bfad_ipfc_probe_undo(bfad);
 146         bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 147 }
 148
 149 static void
 150 bfad_fc4_probe_post(struct bfad_s *bfad)
 151 {
 152         if (bfad->im)
 153                 bfad_im_probe_post(bfad->im);
 154
 155         bfad_tm_probe_post(bfad);
 156         if (ipfc_enable)
 157                 bfad_ipfc_probe_post(bfad);
 158 }
 159
 160 static bfa_status_t
 161 bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
 162 {
 163         int             rc = BFA_STATUS_FAILED;
 164
 165         if (roles & BFA_PORT_ROLE_FCP_IM)
 166                 rc = bfad_im_port_new(bfad, port);
 167         if (rc != BFA_STATUS_OK)
 168                 goto ext;
 169
 170         if (roles & BFA_PORT_ROLE_FCP_TM)
 171                 rc = bfad_tm_port_new(bfad, port);
 172         if (rc != BFA_STATUS_OK)
 173                 goto ext;
 174
 175         if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
 176                 rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
 177 ext:
 178         return rc;
 179 }
 180
 181 static void
 182 bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
 183 {
 184         if (roles & BFA_PORT_ROLE_FCP_IM)
 185                 bfad_im_port_delete(bfad, port);
 186
 187         if (roles & BFA_PORT_ROLE_FCP_TM)
 188                 bfad_tm_port_delete(bfad, port);
 189
 190         if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
 191                 bfad_ipfc_port_delete(bfad, port);
 192 }
 193
 194 /**
 195  *  BFA callbacks
 196  */
 197 void
 198 bfad_hcb_comp(void *arg, bfa_status_t status)
 199 {
 200         struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
 201
 202         fcomp->status = status;
 203         complete(&fcomp->comp);
 204 }
 205
 206 /**
 207  * bfa_init callback
 208  */
 209 void
 210 bfa_cb_init(void *drv, bfa_status_t init_status)
 211 {
 212         struct bfad_s  *bfad = drv;
 213
 214         if (init_status == BFA_STATUS_OK) {
 215                 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 216
 217                 /* If BFAD_HAL_INIT_FAIL flag is set:
 218                  * Wake up the kernel thread to start
 219                  * the bfad operations after HAL init done
 220                  */
 221                 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
 222                         bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
 223                         wake_up_process(bfad->bfad_tsk);
 224                 }
 225         }
 226
 227         complete(&bfad->comp);
 228 }
 229
 230
 231
 232 /**
 233  *  BFA_FCS callbacks
 234  */
 235 static struct bfad_port_s *
 236 bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
 237                   struct bfad_vport_s *vp_drv)
 238 {
 239         return (vp_drv) ? (&(vp_drv)->drv_port)
 240                 : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
 241 }
 242
 243 struct bfad_port_s *
 244 bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
 245                  enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
 246                  struct bfad_vport_s *vp_drv)
 247 {
 248         bfa_status_t    rc;
 249         struct bfad_port_s *port_drv;
 250
 251         if (!vp_drv && !vf_drv) {
 252                 port_drv = &bfad->pport;
 253                 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
 254         } else if (!vp_drv && vf_drv) {
 255                 port_drv = &vf_drv->base_port;
 256                 port_drv->pvb_type = BFAD_PORT_VF_BASE;
 257         } else if (vp_drv && !vf_drv) {
 258                 port_drv = &vp_drv->drv_port;
 259                 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
 260         } else {
 261                 port_drv = &vp_drv->drv_port;
 262                 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
 263         }
 264
 265         port_drv->fcs_port = port;
 266         port_drv->roles = roles;
 267         rc = bfad_fc4_port_new(bfad, port_drv, roles);
 268         if (rc != BFA_STATUS_OK) {
 269                 bfad_fc4_port_delete(bfad, port_drv, roles);
 270                 port_drv = NULL;
 271         }
 272
 273         return port_drv;
 274 }
 275
 276 void
 277 bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
 278                     struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
 279 {
 280         struct bfad_port_s *port_drv;
 281
 282         /*
 283          * this will be only called from rmmod context
 284          */
 285         if (vp_drv && !vp_drv->comp_del) {
 286                 port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
 287                 bfa_trc(bfad, roles);
 288                 bfad_fc4_port_delete(bfad, port_drv, roles);
 289         }
 290 }
 291
 292 void
 293 bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
 294                     struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
 295 {
 296         struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
 297
 298         if (roles & BFA_PORT_ROLE_FCP_IM)
 299                 bfad_im_port_online(bfad, port_drv);
 300
 301         if (roles & BFA_PORT_ROLE_FCP_TM)
 302                 bfad_tm_port_online(bfad, port_drv);
 303
 304         if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
 305                 bfad_ipfc_port_online(bfad, port_drv);
 306
 307         bfad->bfad_flags |= BFAD_PORT_ONLINE;
 308 }
 309
 310 void
 311 bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
 312                      struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
 313 {
 314         struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
 315
 316         if (roles & BFA_PORT_ROLE_FCP_IM)
 317                 bfad_im_port_offline(bfad, port_drv);
 318
 319         if (roles & BFA_PORT_ROLE_FCP_TM)
 320                 bfad_tm_port_offline(bfad, port_drv);
 321
 322         if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
 323                 bfad_ipfc_port_offline(bfad, port_drv);
 324 }
 325
 326 void
 327 bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
 328 {
 329         if (vport_drv->comp_del) {
 330                 complete(vport_drv->comp_del);
 331                 return;
 332         }
 333 }
 334
 335 /**
 336  * FCS RPORT alloc callback, after successful PLOGI by FCS
 337  */
 338 bfa_status_t
 339 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
 340                     struct bfad_rport_s **rport_drv)
 341 {
 342         bfa_status_t    rc = BFA_STATUS_OK;
 343
 344         *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
 345         if (*rport_drv == NULL) {
 346                 rc = BFA_STATUS_ENOMEM;
 347                 goto ext;
 348         }
 349
 350         *rport = &(*rport_drv)->fcs_rport;
 351
 352 ext:
 353         return rc;
 354 }
 355
 356 /**
 357  * @brief
 358  * FCS PBC VPORT Create
 359  */
 360 void
 361 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
 362 {
 363
 364         struct bfad_pcfg_s *pcfg;
 365
 366         pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC);
 367         if (!pcfg) {
 368                 bfa_trc(bfad, 0);
 369                 return;
 370         }
 371
 372         pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
 373         pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn;
 374         pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn;
 375         pcfg->port_cfg.preboot_vp  = BFA_TRUE;
 376
 377         list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list);
 378
 379         return;
 380 }
 381
 382 void
 383 bfad_hal_mem_release(struct bfad_s *bfad)
 384 {
 385         int             i;
 386         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 387         struct bfa_mem_elem_s *meminfo_elem;
 388
 389         for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
 390                 meminfo_elem = &hal_meminfo->meminfo[i];
 391                 if (meminfo_elem->kva != NULL) {
 392                         switch (meminfo_elem->mem_type) {
 393                         case BFA_MEM_TYPE_KVA:
 394                                 vfree(meminfo_elem->kva);
 395                                 break;
 396                         case BFA_MEM_TYPE_DMA:
 397                                 dma_free_coherent(&bfad->pcidev->dev,
 398                                                 meminfo_elem->mem_len,
 399                                                 meminfo_elem->kva,
 400                                                 (dma_addr_t) meminfo_elem->dma);
 401                                 break;
 402                         default:
 403                                 bfa_assert(0);
 404                                 break;
 405                         }
 406                 }
 407         }
 408
 409         memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
 410 }
 411
 412 void
 413 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
 414 {
 415         if (num_rports > 0)
 416                 bfa_cfg->fwcfg.num_rports = num_rports;
 417         if (num_ios > 0)
 418                 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
 419         if (num_tms > 0)
 420                 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
 421         if (num_fcxps > 0)
 422                 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
 423         if (num_ufbufs > 0)
 424                 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
 425         if (reqq_size > 0)
 426                 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
 427         if (rspq_size > 0)
 428                 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
 429         if (num_sgpgs > 0)
 430                 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
 431
 432         /*
 433          * populate the hal values back to the driver for sysfs use.
 434          * otherwise, the default values will be shown as 0 in sysfs
 435          */
 436         num_rports = bfa_cfg->fwcfg.num_rports;
 437         num_ios    = bfa_cfg->fwcfg.num_ioim_reqs;
 438         num_tms    = bfa_cfg->fwcfg.num_tskim_reqs;
 439         num_fcxps  = bfa_cfg->fwcfg.num_fcxp_reqs;
 440         num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
 441         reqq_size  = bfa_cfg->drvcfg.num_reqq_elems;
 442         rspq_size  = bfa_cfg->drvcfg.num_rspq_elems;
 443         num_sgpgs  = bfa_cfg->drvcfg.num_sgpgs;
 444 }
 445
 446 bfa_status_t
 447 bfad_hal_mem_alloc(struct bfad_s *bfad)
 448 {
 449         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 450         struct bfa_mem_elem_s *meminfo_elem;
 451         bfa_status_t    rc = BFA_STATUS_OK;
 452         dma_addr_t      phys_addr;
 453         int             retry_count = 0;
 454         int             reset_value = 1;
 455         int             min_num_sgpgs = 512;
 456         void           *kva;
 457         int             i;
 458
 459         bfa_cfg_get_default(&bfad->ioc_cfg);
 460
 461 retry:
 462         bfad_update_hal_cfg(&bfad->ioc_cfg);
 463         bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
 464         bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
 465
 466         for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
 467                 meminfo_elem = &hal_meminfo->meminfo[i];
 468                 switch (meminfo_elem->mem_type) {
 469                 case BFA_MEM_TYPE_KVA:
 470                         kva = vmalloc(meminfo_elem->mem_len);
 471                         if (kva == NULL) {
 472                                 bfad_hal_mem_release(bfad);
 473                                 rc = BFA_STATUS_ENOMEM;
 474                                 goto ext;
 475                         }
 476                         memset(kva, 0, meminfo_elem->mem_len);
 477                         meminfo_elem->kva = kva;
 478                         break;
 479                 case BFA_MEM_TYPE_DMA:
 480                         kva = dma_alloc_coherent(&bfad->pcidev->dev,
 481                                         meminfo_elem->mem_len,
 482                                         &phys_addr, GFP_KERNEL);
 483                         if (kva == NULL) {
 484                                 bfad_hal_mem_release(bfad);
 485                                 /*
 486                                  * If we cannot allocate with default
 487                                  * num_sgpages try with half the value.
 488                                  */
 489                                 if (num_sgpgs > min_num_sgpgs) {
 490                                         printk(KERN_INFO "bfad[%d]: memory"
 491                                                 " allocation failed with"
 492                                                 " num_sgpgs: %d\n",
 493                                                 bfad->inst_no, num_sgpgs);
 494                                         nextLowerInt(&num_sgpgs);
 495                                         printk(KERN_INFO "bfad[%d]: trying to"
 496                                                 " allocate memory with"
 497                                                 " num_sgpgs: %d\n",
 498                                                 bfad->inst_no, num_sgpgs);
 499                                         retry_count++;
 500                                         goto retry;
 501                                 } else {
 502                                         if (num_sgpgs_parm > 0)
 503                                                 num_sgpgs = num_sgpgs_parm;
 504                                         else {
 505                                                 reset_value =
 506                                                         (1 << retry_count);
 507                                                 num_sgpgs *= reset_value;
 508                                         }
 509                                         rc = BFA_STATUS_ENOMEM;
 510                                         goto ext;
 511                                 }
 512                         }
 513
 514                         if (num_sgpgs_parm > 0)
 515                                 num_sgpgs = num_sgpgs_parm;
 516                         else {
 517                                 reset_value = (1 << retry_count);
 518                                 num_sgpgs *= reset_value;
 519                         }
 520
 521                         memset(kva, 0, meminfo_elem->mem_len);
 522                         meminfo_elem->kva = kva;
 523                         meminfo_elem->dma = phys_addr;
 524                         break;
 525                 default:
 526                         break;
 527
 528                 }
 529         }
 530 ext:
 531         return rc;
 532 }
 533
 534 /**
 535  * Create a vport under a vf.
 536  */
 537 bfa_status_t
 538 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 539                         struct bfa_port_cfg_s *port_cfg, struct device *dev)
 540 {
 541         struct bfad_vport_s *vport;
 542         int rc = BFA_STATUS_OK;
 543         unsigned long   flags;
 544         struct completion fcomp;
 545
 546         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
 547         if (!vport) {
 548                 rc = BFA_STATUS_ENOMEM;
 549                 goto ext;
 550         }
 551
 552         vport->drv_port.bfad = bfad;
 553         spin_lock_irqsave(&bfad->bfad_lock, flags);
 554         if (port_cfg->preboot_vp == BFA_TRUE)
 555                 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport,
 556                                 &bfad->bfa_fcs, vf_id, port_cfg, vport);
 557         else
 558                 rc = bfa_fcs_vport_create(&vport->fcs_vport,
 559                                 &bfad->bfa_fcs, vf_id, port_cfg, vport);
 560         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 561
 562         if (rc != BFA_STATUS_OK)
 563                 goto ext_free_vport;
 564
 565         if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
 566                 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
 567                                                         dev);
 568                 if (rc != BFA_STATUS_OK)
 569                         goto ext_free_fcs_vport;
 570         }
 571
 572         spin_lock_irqsave(&bfad->bfad_lock, flags);
 573         bfa_fcs_vport_start(&vport->fcs_vport);
 574         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 575
 576         return BFA_STATUS_OK;
 577
 578 ext_free_fcs_vport:
 579         spin_lock_irqsave(&bfad->bfad_lock, flags);
 580         vport->comp_del = &fcomp;
 581         init_completion(vport->comp_del);
 582         bfa_fcs_vport_delete(&vport->fcs_vport);
 583         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 584         wait_for_completion(vport->comp_del);
 585 ext_free_vport:
 586         kfree(vport);
 587 ext:
 588         return rc;
 589 }
 590
 591 /**
 592  * Create a vf and its base vport implicitely.
 593  */
 594 bfa_status_t
 595 bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
 596                struct bfa_port_cfg_s *port_cfg)
 597 {
 598         struct bfad_vf_s *vf;
 599         int             rc = BFA_STATUS_OK;
 600
 601         vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
 602         if (!vf) {
 603                 rc = BFA_STATUS_FAILED;
 604                 goto ext;
 605         }
 606
 607         rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
 608                                vf);
 609         if (rc != BFA_STATUS_OK)
 610                 kfree(vf);
 611 ext:
 612         return rc;
 613 }
 614
 615 void
 616 bfad_bfa_tmo(unsigned long data)
 617 {
 618         struct bfad_s  *bfad = (struct bfad_s *)data;
 619         unsigned long   flags;
 620         struct list_head  doneq;
 621
 622         spin_lock_irqsave(&bfad->bfad_lock, flags);
 623
 624         bfa_timer_tick(&bfad->bfa);
 625
 626         bfa_comp_deq(&bfad->bfa, &doneq);
 627         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 628
 629         if (!list_empty(&doneq)) {
 630                 bfa_comp_process(&bfad->bfa, &doneq);
 631                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 632                 bfa_comp_free(&bfad->bfa, &doneq);
 633                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 634         }
 635
 636         mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 637 }
 638
 639 void
 640 bfad_init_timer(struct bfad_s *bfad)
 641 {
 642         init_timer(&bfad->hal_tmo);
 643         bfad->hal_tmo.function = bfad_bfa_tmo;
 644         bfad->hal_tmo.data = (unsigned long)bfad;
 645
 646         mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 647 }
 648
 649 int
 650 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 651 {
 652         int             rc = -ENODEV;
 653
 654         if (pci_enable_device(pdev)) {
 655                 BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
 656                 goto out;
 657         }
 658
 659         if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
 660                 goto out_disable_device;
 661
 662         pci_set_master(pdev);
 663
 664
 665         if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
 666                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
 667                         BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
 668                         goto out_release_region;
 669                 }
 670
 671         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 672
 673         if (bfad->pci_bar0_kva == NULL) {
 674                 BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
 675                 goto out_release_region;
 676         }
 677
 678         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 679         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 680         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 681         bfad->hal_pcidev.device_id = pdev->device;
 682         bfad->pci_name = pci_name(pdev);
 683
 684         bfad->pci_attr.vendor_id = pdev->vendor;
 685         bfad->pci_attr.device_id = pdev->device;
 686         bfad->pci_attr.ssid = pdev->subsystem_device;
 687         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 688         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 689
 690         bfad->pcidev = pdev;
 691         return 0;
 692
 693 out_release_region:
 694         pci_release_regions(pdev);
 695 out_disable_device:
 696         pci_disable_device(pdev);
 697 out:
 698         return rc;
 699 }
 700
 701 void
 702 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 703 {
 704         pci_iounmap(pdev, bfad->pci_bar0_kva);
 705         pci_release_regions(pdev);
 706         pci_disable_device(pdev);
 707         pci_set_drvdata(pdev, NULL);
 708 }
 709
 710 void
 711 bfad_fcs_port_cfg(struct bfad_s *bfad)
 712 {
 713         struct bfa_port_cfg_s port_cfg;
 714         struct bfa_pport_attr_s attr;
 715         char            symname[BFA_SYMNAME_MAXLEN];
 716
 717         sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
 718         memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
 719         bfa_fcport_get_attr(&bfad->bfa, &attr);
 720         port_cfg.nwwn = attr.nwwn;
 721         port_cfg.pwwn = attr.pwwn;
 722
 723         bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
 724 }
 725
 726 bfa_status_t
 727 bfad_drv_init(struct bfad_s *bfad)
 728 {
 729         bfa_status_t    rc;
 730         unsigned long   flags;
 731         struct bfa_fcs_driver_info_s driver_info;
 732
 733         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 734         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 735         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 736         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 737
 738         rc = bfad_hal_mem_alloc(bfad);
 739         if (rc != BFA_STATUS_OK) {
 740                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 741                        bfad->inst_no);
 742                 printk(KERN_WARNING
 743                         "Not enough memory to attach all Brocade HBA ports,"
 744                         " System may need more memory.\n");
 745                 goto out_hal_mem_alloc_failure;
 746         }
 747
 748         bfa_init_log(&bfad->bfa, bfad->logmod);
 749         bfa_init_trc(&bfad->bfa, bfad->trcmod);
 750         bfa_init_aen(&bfad->bfa, bfad->aen);
 751         memset(bfad->file_map, 0, sizeof(bfad->file_map));
 752         bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
 753         bfa_plog_init(&bfad->plog_buf);
 754         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 755                      0, "Driver Attach");
 756
 757         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 758                    &bfad->hal_pcidev);
 759
 760         init_completion(&bfad->comp);
 761
 762         /*
 763          * Enable Interrupt and wait bfa_init completion
 764          */
 765         if (bfad_setup_intr(bfad)) {
 766                 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
 767                        bfad->inst_no);
 768                 goto out_setup_intr_failure;
 769         }
 770
 771         spin_lock_irqsave(&bfad->bfad_lock, flags);
 772         bfa_init(&bfad->bfa);
 773         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 774
 775         /*
 776          * Set up interrupt handler for each vectors
 777          */
 778         if ((bfad->bfad_flags & BFAD_MSIX_ON)
 779             && bfad_install_msix_handler(bfad)) {
 780                 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
 781                        __func__, bfad->inst_no);
 782         }
 783
 784         bfad_init_timer(bfad);
 785
 786         wait_for_completion(&bfad->comp);
 787
 788         memset(&driver_info, 0, sizeof(driver_info));
 789         strncpy(driver_info.version, BFAD_DRIVER_VERSION,
 790                 sizeof(driver_info.version) - 1);
 791         __kernel_param_lock();
 792         if (host_name)
 793                 strncpy(driver_info.host_machine_name, host_name,
 794                         sizeof(driver_info.host_machine_name) - 1);
 795         if (os_name)
 796                 strncpy(driver_info.host_os_name, os_name,
 797                         sizeof(driver_info.host_os_name) - 1);
 798         if (os_patch)
 799                 strncpy(driver_info.host_os_patch, os_patch,
 800                         sizeof(driver_info.host_os_patch) - 1);
 801         __kernel_param_unlock();
 802
 803         strncpy(driver_info.os_device_name, bfad->pci_name,
 804                 sizeof(driver_info.os_device_name - 1));
 805
 806         /*
 807          * FCS INIT
 808          */
 809         spin_lock_irqsave(&bfad->bfad_lock, flags);
 810         bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
 811         bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
 812         bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
 813         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 814
 815         /* Do FCS init only when HAL init is done */
 816         if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 817                 bfa_fcs_init(&bfad->bfa_fcs);
 818                 bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
 819         }
 820
 821         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
 822         bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
 823         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 824
 825         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 826         return BFA_STATUS_OK;
 827
 828 out_setup_intr_failure:
 829         bfa_detach(&bfad->bfa);
 830         bfad_hal_mem_release(bfad);
 831 out_hal_mem_alloc_failure:
 832         return BFA_STATUS_FAILED;
 833 }
 834
 835 void
 836 bfad_drv_uninit(struct bfad_s *bfad)
 837 {
 838         unsigned long   flags;
 839
 840         spin_lock_irqsave(&bfad->bfad_lock, flags);
 841         init_completion(&bfad->comp);
 842         bfa_stop(&bfad->bfa);
 843         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 844         wait_for_completion(&bfad->comp);
 845
 846         del_timer_sync(&bfad->hal_tmo);
 847         bfa_isr_disable(&bfad->bfa);
 848         bfa_detach(&bfad->bfa);
 849         bfad_remove_intr(bfad);
 850         bfad_hal_mem_release(bfad);
 851
 852         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 853 }
 854
 855 void
 856 bfad_drv_start(struct bfad_s *bfad)
 857 {
 858         unsigned long   flags;
 859
 860         spin_lock_irqsave(&bfad->bfad_lock, flags);
 861         bfa_start(&bfad->bfa);
 862         bfa_fcs_start(&bfad->bfa_fcs);
 863         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 864         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 865
 866         bfad_fc4_probe_post(bfad);
 867 }
 868
 869 void
 870 bfad_drv_stop(struct bfad_s *bfad)
 871 {
 872         unsigned long   flags;
 873
 874         spin_lock_irqsave(&bfad->bfad_lock, flags);
 875         init_completion(&bfad->comp);
 876         bfad->pport.flags |= BFAD_PORT_DELETE;
 877         bfa_fcs_exit(&bfad->bfa_fcs);
 878         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 879         wait_for_completion(&bfad->comp);
 880
 881         spin_lock_irqsave(&bfad->bfad_lock, flags);
 882         init_completion(&bfad->comp);
 883         bfa_stop(&bfad->bfa);
 884         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 885         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 886         wait_for_completion(&bfad->comp);
 887 }
 888
 889 bfa_status_t
 890 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
 891 {
 892         int             rc = BFA_STATUS_OK;
 893
 894         /*
 895          * Allocate scsi_host for the physical port
 896          */
 897         if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
 898             && (role & BFA_PORT_ROLE_FCP_IM)) {
 899                 if (bfad->pport.im_port == NULL) {
 900                         rc = BFA_STATUS_FAILED;
 901                         goto out;
 902                 }
 903
 904                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 905                                                 &bfad->pcidev->dev);
 906                 if (rc != BFA_STATUS_OK)
 907                         goto out;
 908
 909                 bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
 910         }
 911
 912         /* Setup the debugfs node for this scsi_host */
 913         if (bfa_debugfs_enable)
 914                 bfad_debugfs_init(&bfad->pport);
 915
 916         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 917
 918 out:
 919         return rc;
 920 }
 921
 922 void
 923 bfad_uncfg_pport(struct bfad_s *bfad)
 924 {
 925          /* Remove the debugfs node for this scsi_host */
 926         kfree(bfad->regdata);
 927         bfad_debugfs_exit(&bfad->pport);
 928
 929         if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
 930                 bfad_ipfc_port_delete(bfad, &bfad->pport);
 931                 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
 932         }
 933
 934         if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
 935             && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
 936                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 937                 bfad_im_port_clean(bfad->pport.im_port);
 938                 kfree(bfad->pport.im_port);
 939                 bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
 940         }
 941
 942         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 943 }
 944
 945 void
 946 bfad_drv_log_level_set(struct bfad_s *bfad)
 947 {
 948         if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
 949                 bfa_log_set_level_all(&bfad->log_data, log_level);
 950 }
 951
 952 bfa_status_t
 953 bfad_start_ops(struct bfad_s *bfad)
 954 {
 955         int retval;
 956         struct bfad_pcfg_s *pcfg, *pcfg_new;
 957
 958         /* PPORT FCS config */
 959         bfad_fcs_port_cfg(bfad);
 960
 961         retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
 962         if (retval != BFA_STATUS_OK)
 963                 goto out_cfg_pport_failure;
 964
 965         /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
 966         retval = bfad_fc4_probe(bfad);
 967         if (retval != BFA_STATUS_OK) {
 968                 printk(KERN_WARNING "bfad_fc4_probe failed\n");
 969                 goto out_fc4_probe_failure;
 970         }
 971
 972         bfad_drv_start(bfad);
 973
 974         /* pbc vport creation */
 975         list_for_each_entry_safe(pcfg, pcfg_new,  &bfad->pbc_pcfg_list,
 976                                         list_entry) {
 977                 struct fc_vport_identifiers vid;
 978                 struct fc_vport *fc_vport;
 979
 980                 memset(&vid, 0, sizeof(vid));
 981                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
 982                 vid.vport_type = FC_PORTTYPE_NPIV;
 983                 vid.disable = false;
 984                 vid.node_name = wwn_to_u64((u8 *)&pcfg->port_cfg.nwwn);
 985                 vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn);
 986                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
 987                 if (!fc_vport)
 988                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
 989                                 " %llx\n", bfad->inst_no, vid.port_name);
 990                 list_del(&pcfg->list_entry);
 991                 kfree(pcfg);
 992
 993         }
 994
 995         /*
 996          * If bfa_linkup_delay is set to -1 default; try to retrive the
 997          * value using the bfad_os_get_linkup_delay(); else use the
 998          * passed in module param value as the bfa_linkup_delay.
 999          */
1000         if (bfa_linkup_delay < 0) {
1001
1002                 bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
1003                 bfad_os_rport_online_wait(bfad);
1004                 bfa_linkup_delay = -1;
1005
1006         } else {
1007                 bfad_os_rport_online_wait(bfad);
1008         }
1009
1010         bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
1011
1012         return BFA_STATUS_OK;
1013
1014 out_fc4_probe_failure:
1015         bfad_fc4_probe_undo(bfad);
1016         bfad_uncfg_pport(bfad);
1017 out_cfg_pport_failure:
1018         return BFA_STATUS_FAILED;
1019 }
1020
1021 int
1022 bfad_worker(void *ptr)
1023 {
1024         struct bfad_s *bfad;
1025         unsigned long   flags;
1026
1027         bfad = (struct bfad_s *)ptr;
1028
1029         while (!kthread_should_stop()) {
1030
1031                 /* Check if the FCS init is done from bfad_drv_init;
1032                  * if not done do FCS init and set the flag.
1033                  */
1034                 if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
1035                         spin_lock_irqsave(&bfad->bfad_lock, flags);
1036                         bfa_fcs_init(&bfad->bfa_fcs);
1037                         bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
1038                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1039                 }
1040
1041                 /* Start the bfad operations after HAL init done */
1042                 bfad_start_ops(bfad);
1043
1044                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1045                 bfad->bfad_tsk = NULL;
1046                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1047
1048                 break;
1049         }
1050
1051         return 0;
1052 }
1053
1054  /*
1055   *  PCI_entry PCI driver entries * {
1056   */
1057
1058 /**
1059  * PCI probe entry.
1060  */
1061 int
1062 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1063 {
1064         struct bfad_s  *bfad;
1065         int             error = -ENODEV, retval;
1066
1067         /*
1068          * For single port cards - only claim function 0
1069          */
1070         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
1071             && (PCI_FUNC(pdev->devfn) != 0))
1072                 return -ENODEV;
1073
1074         BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");
1075
1076         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1077         if (!bfad) {
1078                 error = -ENOMEM;
1079                 goto out;
1080         }
1081
1082         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1083         if (!bfad->trcmod) {
1084                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1085                 error = -ENOMEM;
1086                 goto out_alloc_trace_failure;
1087         }
1088
1089         /*
1090          * LOG/TRACE INIT
1091          */
1092         bfa_trc_init(bfad->trcmod);
1093         bfa_trc(bfad, bfad_inst);
1094
1095         bfad->logmod = &bfad->log_data;
1096         bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
1097
1098         bfad_drv_log_level_set(bfad);
1099
1100         bfad->aen = &bfad->aen_buf;
1101
1102         if (!(bfad_load_fwimg(pdev))) {
1103                 printk(KERN_WARNING "bfad_load_fwimg failure!\n");
1104                 kfree(bfad->trcmod);
1105                 goto out_alloc_trace_failure;
1106         }
1107
1108         retval = bfad_pci_init(pdev, bfad);
1109         if (retval) {
1110                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1111                 error = retval;
1112                 goto out_pci_init_failure;
1113         }
1114
1115         mutex_lock(&bfad_mutex);
1116         bfad->inst_no = bfad_inst++;
1117         list_add_tail(&bfad->list_entry, &bfad_list);
1118         mutex_unlock(&bfad_mutex);
1119
1120         spin_lock_init(&bfad->bfad_lock);
1121         pci_set_drvdata(pdev, bfad);
1122
1123         bfad->ref_count = 0;
1124         bfad->pport.bfad = bfad;
1125         INIT_LIST_HEAD(&bfad->pbc_pcfg_list);
1126
1127         bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
1128                                         "bfad_worker");
1129         if (IS_ERR(bfad->bfad_tsk)) {
1130                 printk(KERN_INFO "bfad[%d]: Kernel thread"
1131                         " creation failed!\n",
1132                         bfad->inst_no);
1133                 goto out_kthread_create_failure;
1134         }
1135
1136         retval = bfad_drv_init(bfad);
1137         if (retval != BFA_STATUS_OK)
1138                 goto out_drv_init_failure;
1139         if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1140                 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
1141                 printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
1142                 goto ok;
1143         }
1144
1145         retval = bfad_start_ops(bfad);
1146         if (retval != BFA_STATUS_OK)
1147                 goto out_start_ops_failure;
1148
1149         kthread_stop(bfad->bfad_tsk);
1150         bfad->bfad_tsk = NULL;
1151
1152 ok:
1153         return 0;
1154
1155 out_start_ops_failure:
1156         bfad_drv_uninit(bfad);
1157 out_drv_init_failure:
1158         kthread_stop(bfad->bfad_tsk);
1159 out_kthread_create_failure:
1160         mutex_lock(&bfad_mutex);
1161         bfad_inst--;
1162         list_del(&bfad->list_entry);
1163         mutex_unlock(&bfad_mutex);
1164         bfad_pci_uninit(pdev, bfad);
1165 out_pci_init_failure:
1166         kfree(bfad->trcmod);
1167 out_alloc_trace_failure:
1168         kfree(bfad);
1169 out:
1170         return error;
1171 }
1172
1173 /**
1174  * PCI remove entry.
1175  */
1176 void
1177 bfad_pci_remove(struct pci_dev *pdev)
1178 {
1179         struct bfad_s  *bfad = pci_get_drvdata(pdev);
1180         unsigned long   flags;
1181
1182         bfa_trc(bfad, bfad->inst_no);
1183
1184         spin_lock_irqsave(&bfad->bfad_lock, flags);
1185         if (bfad->bfad_tsk != NULL)
1186                 kthread_stop(bfad->bfad_tsk);
1187         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1188
1189         if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
1190             && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
1191
1192                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1193                 init_completion(&bfad->comp);
1194                 bfa_stop(&bfad->bfa);
1195                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1196                 wait_for_completion(&bfad->comp);
1197
1198                 bfad_remove_intr(bfad);
1199                 del_timer_sync(&bfad->hal_tmo);
1200                 goto hal_detach;
1201         } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
1202                 goto remove_sysfs;
1203         }
1204
1205         if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
1206                 bfad_drv_stop(bfad);
1207         } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
1208                 /* Invoking bfa_stop() before bfa_detach
1209                  * when HAL and DRV init are success
1210                  * but HAL start did not occur.
1211                  */
1212                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1213                 init_completion(&bfad->comp);
1214                 bfa_stop(&bfad->bfa);
1215                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1216                 wait_for_completion(&bfad->comp);
1217         }
1218
1219         bfad_remove_intr(bfad);
1220         del_timer_sync(&bfad->hal_tmo);
1221
1222         if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
1223                 bfad_fc4_probe_undo(bfad);
1224
1225         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1226                 bfad_uncfg_pport(bfad);
1227
1228 hal_detach:
1229         spin_lock_irqsave(&bfad->bfad_lock, flags);
1230         bfa_detach(&bfad->bfa);
1231         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1232         bfad_hal_mem_release(bfad);
1233 remove_sysfs:
1234
1235         mutex_lock(&bfad_mutex);
1236         bfad_inst--;
1237         list_del(&bfad->list_entry);
1238         mutex_unlock(&bfad_mutex);
1239         bfad_pci_uninit(pdev, bfad);
1240
1241         kfree(bfad->trcmod);
1242         kfree(bfad);
1243 }
1244
1245
1246 static struct pci_device_id bfad_id_table[] = {
1247         {
1248          .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1249          .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1250          .subvendor = PCI_ANY_ID,
1251          .subdevice = PCI_ANY_ID,
1252          },
1253         {
1254          .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1255          .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1256          .subvendor = PCI_ANY_ID,
1257          .subdevice = PCI_ANY_ID,
1258          },
1259         {
1260          .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1261          .device = BFA_PCI_DEVICE_ID_CT,
1262          .subvendor = PCI_ANY_ID,
1263          .subdevice = PCI_ANY_ID,
1264          .class = (PCI_CLASS_SERIAL_FIBER << 8),
1265          .class_mask = ~0,
1266          },
1267         {
1268          .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1269          .device = BFA_PCI_DEVICE_ID_CT_FC,
1270          .subvendor = PCI_ANY_ID,
1271          .subdevice = PCI_ANY_ID,
1272          .class = (PCI_CLASS_SERIAL_FIBER << 8),
1273          .class_mask = ~0,
1274         },
1275
1276         {0, 0},
1277 };
1278
1279 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1280
1281 static struct pci_driver bfad_pci_driver = {
1282         .name = BFAD_DRIVER_NAME,
1283         .id_table = bfad_id_table,
1284         .probe = bfad_pci_probe,
1285         .remove = __devexit_p(bfad_pci_remove),
1286 };
1287
1288 /**
1289  *  Linux driver module functions
1290  */
1291 bfa_status_t
1292 bfad_fc4_module_init(void)
1293 {
1294         int             rc;
1295
1296         rc = bfad_im_module_init();
1297         if (rc != BFA_STATUS_OK)
1298                 goto ext;
1299
1300         bfad_tm_module_init();
1301         if (ipfc_enable)
1302                 bfad_ipfc_module_init();
1303 ext:
1304         return rc;
1305 }
1306
1307 void
1308 bfad_fc4_module_exit(void)
1309 {
1310         if (ipfc_enable)
1311                 bfad_ipfc_module_exit();
1312         bfad_tm_module_exit();
1313         bfad_im_module_exit();
1314 }
1315
1316 /**
1317  * Driver module init.
1318  */
1319 static int      __init
1320 bfad_init(void)
1321 {
1322         int             error = 0;
1323
1324         printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
1325                BFAD_DRIVER_VERSION);
1326
1327         if (num_sgpgs > 0)
1328                 num_sgpgs_parm = num_sgpgs;
1329
1330         error = bfad_fc4_module_init();
1331         if (error) {
1332                 error = -ENOMEM;
1333                 printk(KERN_WARNING "bfad_fc4_module_init failure\n");
1334                 goto ext;
1335         }
1336
1337         if (!strcmp(FCPI_NAME, " fcpim"))
1338                 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
1339         if (!strcmp(FCPT_NAME, " fcptm"))
1340                 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
1341         if (!strcmp(IPFC_NAME, " ipfc"))
1342                 bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;
1343
1344         bfa_ioc_auto_recover(ioc_auto_recover);
1345         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1346         error = pci_register_driver(&bfad_pci_driver);
1347
1348         if (error) {
1349                 printk(KERN_WARNING "bfad pci_register_driver failure\n");
1350                 goto ext;
1351         }
1352
1353         return 0;
1354
1355 ext:
1356         bfad_fc4_module_exit();
1357         return error;
1358 }
1359
1360 /**
1361  * Driver module exit.
1362  */
1363 static void     __exit
1364 bfad_exit(void)
1365 {
1366         pci_unregister_driver(&bfad_pci_driver);
1367         bfad_fc4_module_exit();
1368         bfad_free_fwimg();
1369 }
1370
1371 #define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME
1372
1373 module_init(bfad_init);
1374 module_exit(bfad_exit);
1375 MODULE_LICENSE("GPL");
1376 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1377 MODULE_AUTHOR("Brocade Communications Systems, Inc.");
1378 MODULE_VERSION(BFAD_DRIVER_VERSION);
1379
1380