drivers/scsi/bfa/bfad.c

   1 /*
   2  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   3  * Copyright (c) 2014- QLogic Corporation.
   4  * All rights reserved
   5  * www.qlogic.com
   6  *
   7  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License (GPL) Version 2 as
  11  * published by the Free Software Foundation
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  */
  18
  19 /*
  20  *  bfad.c Linux driver PCI interface module.
  21  */
  22 #include <linux/module.h>
  23 #include <linux/kthread.h>
  24 #include <linux/errno.h>
  25 #include <linux/sched.h>
  26 #include <linux/init.h>
  27 #include <linux/fs.h>
  28 #include <linux/pci.h>
  29 #include <linux/firmware.h>
  30 #include <linux/uaccess.h>
  31 #include <asm/fcntl.h>
  32
  33 #include "bfad_drv.h"
  34 #include "bfad_im.h"
  35 #include "bfa_fcs.h"
  36 #include "bfa_defs.h"
  37 #include "bfa.h"
  38
  39 BFA_TRC_FILE(LDRV, BFAD);
  40 DEFINE_MUTEX(bfad_mutex);
  41 LIST_HEAD(bfad_list);
  42
  43 static int      bfad_inst;
  44 static int      num_sgpgs_parm;
  45 int             supported_fc4s;
  46 char            *host_name, *os_name, *os_patch;
  47 int             num_rports, num_ios, num_tms;
  48 int             num_fcxps, num_ufbufs;
  49 int             reqq_size, rspq_size, num_sgpgs;
  50 int             rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  51 int             bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  52 int             bfa_io_max_sge = BFAD_IO_MAX_SGE;
  53 int             bfa_log_level = 3; /* WARNING log level */
  54 int             ioc_auto_recover = BFA_TRUE;
  55 int             bfa_linkup_delay = -1;
  56 int             fdmi_enable = BFA_TRUE;
  57 int             pcie_max_read_reqsz;
  58 int             bfa_debugfs_enable = 1;
  59 int             msix_disable_cb = 0, msix_disable_ct = 0;
  60 int             max_xfer_size = BFAD_MAX_SECTORS >> 1;
  61 int             max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS;
  62
  63 /* Firmware releated */
  64 u32     bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size;
  65 u32     *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2;
  66
  67 #define BFAD_FW_FILE_CB         "/*(DEBLOBBED)*/"
  68 #define BFAD_FW_FILE_CT         "/*(DEBLOBBED)*/"
  69 #define BFAD_FW_FILE_CT2        "/*(DEBLOBBED)*/"
  70
  71 static u32 *bfad_load_fwimg(struct pci_dev *pdev);
  72 static void bfad_free_fwimg(void);
  73 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
  74                 u32 *bfi_image_size, char *fw_name);
  75
  76 static const char *msix_name_ct[] = {
  77         "ctrl",
  78         "cpe0", "cpe1", "cpe2", "cpe3",
  79         "rme0", "rme1", "rme2", "rme3" };
  80
  81 static const char *msix_name_cb[] = {
  82         "cpe0", "cpe1", "cpe2", "cpe3",
  83         "rme0", "rme1", "rme2", "rme3",
  84         "eemc", "elpu0", "elpu1", "epss", "mlpu" };
  85
  86 /*(DEBLOBBED)*/
  87
  88 module_param(os_name, charp, S_IRUGO | S_IWUSR);
  89 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  90 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  91 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  92 module_param(host_name, charp, S_IRUGO | S_IWUSR);
  93 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  94 module_param(num_rports, int, S_IRUGO | S_IWUSR);
  95 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
  96                                 "(physical/logical), default=1024");
  97 module_param(num_ios, int, S_IRUGO | S_IWUSR);
  98 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  99 module_param(num_tms, int, S_IRUGO | S_IWUSR);
 100 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
 101 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
 102 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
 103 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
 104 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
 105                                 "buffers, default=64");
 106 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
 107 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
 108                                 "default=256");
 109 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
 110 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
 111                                 "default=64");
 112 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
 113 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
 114 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
 115 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
 116                                         "Range[>0]");
 117 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
 118 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
 119 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
 120 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
 121 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
 122 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
 123                                 "Range[Critical:1|Error:2|Warning:3|Info:4]");
 124 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 125 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
 126                                 "Range[off:0|on:1]");
 127 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 128 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
 129                         "boot port. Otherwise 10 secs in RHEL4 & 0 for "
 130                         "[RHEL5, SLES10, ESX40] Range[>0]");
 131 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
 132 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
 133 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 134 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts if possible for QLogic-1010/1020/804/1007/902/1741 cards, default=0, Range[false:0|true:1]");
 135 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 136 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
 137                                 "Range[false:0|true:1]");
 138 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
 139 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
 140                 "(use system setting), Range[128|256|512|1024|2048|4096]");
 141 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 142 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 143                 " Range[false:0|true:1]");
 144 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
 145 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
 146                 " Range[64k|128k|256k|512k|1024k|2048k]");
 147 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
 148 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
 149
 150 static void
 151 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
 152 static void
 153 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
 154 static void
 155 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
 156 static void
 157 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
 158 static void
 159 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
 160 static void
 161 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
 162 static void
 163 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
 164
 165 /*
 166  * Beginning state for the driver instance, awaiting the pci_probe event
 167  */
 168 static void
 169 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
 170 {
 171         bfa_trc(bfad, event);
 172
 173         switch (event) {
 174         case BFAD_E_CREATE:
 175                 bfa_sm_set_state(bfad, bfad_sm_created);
 176                 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
 177                                                 "%s", "bfad_worker");
 178                 if (IS_ERR(bfad->bfad_tsk)) {
 179                         printk(KERN_INFO "bfad[%d]: Kernel thread "
 180                                 "creation failed!\n", bfad->inst_no);
 181                         bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
 182                 }
 183                 bfa_sm_send_event(bfad, BFAD_E_INIT);
 184                 break;
 185
 186         case BFAD_E_STOP:
 187                 /* Ignore stop; already in uninit */
 188                 break;
 189
 190         default:
 191                 bfa_sm_fault(bfad, event);
 192         }
 193 }
 194
 195 /*
 196  * Driver Instance is created, awaiting event INIT to initialize the bfad
 197  */
 198 static void
 199 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
 200 {
 201         unsigned long flags;
 202         bfa_status_t ret;
 203
 204         bfa_trc(bfad, event);
 205
 206         switch (event) {
 207         case BFAD_E_INIT:
 208                 bfa_sm_set_state(bfad, bfad_sm_initializing);
 209
 210                 init_completion(&bfad->comp);
 211
 212                 /* Enable Interrupt and wait bfa_init completion */
 213                 if (bfad_setup_intr(bfad)) {
 214                         printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
 215                                         bfad->inst_no);
 216                         bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 217                         break;
 218                 }
 219
 220                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 221                 bfa_iocfc_init(&bfad->bfa);
 222                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 223
 224                 /* Set up interrupt handler for each vectors */
 225                 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
 226                         bfad_install_msix_handler(bfad)) {
 227                         printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
 228                                 __func__, bfad->inst_no);
 229                 }
 230
 231                 bfad_init_timer(bfad);
 232
 233                 wait_for_completion(&bfad->comp);
 234
 235                 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 236                         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
 237                 } else {
 238                         printk(KERN_WARNING
 239                                 "bfa %s: bfa init failed\n",
 240                                 bfad->pci_name);
 241                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 242                         bfa_fcs_init(&bfad->bfa_fcs);
 243                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 244
 245                         ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
 246                         if (ret != BFA_STATUS_OK) {
 247                                 init_completion(&bfad->comp);
 248
 249                                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 250                                 bfad->pport.flags |= BFAD_PORT_DELETE;
 251                                 bfa_fcs_exit(&bfad->bfa_fcs);
 252                                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 253
 254                                 wait_for_completion(&bfad->comp);
 255
 256                                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 257                                 break;
 258                         }
 259                         bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
 260                         bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
 261                 }
 262
 263                 break;
 264
 265         case BFAD_E_KTHREAD_CREATE_FAILED:
 266                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 267                 break;
 268
 269         default:
 270                 bfa_sm_fault(bfad, event);
 271         }
 272 }
 273
 274 static void
 275 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
 276 {
 277         int     retval;
 278         unsigned long   flags;
 279
 280         bfa_trc(bfad, event);
 281
 282         switch (event) {
 283         case BFAD_E_INIT_SUCCESS:
 284                 kthread_stop(bfad->bfad_tsk);
 285                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 286                 bfad->bfad_tsk = NULL;
 287                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 288
 289                 retval = bfad_start_ops(bfad);
 290                 if (retval != BFA_STATUS_OK) {
 291                         bfa_sm_set_state(bfad, bfad_sm_failed);
 292                         break;
 293                 }
 294                 bfa_sm_set_state(bfad, bfad_sm_operational);
 295                 break;
 296
 297         case BFAD_E_INIT_FAILED:
 298                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 299                 kthread_stop(bfad->bfad_tsk);
 300                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 301                 bfad->bfad_tsk = NULL;
 302                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 303                 break;
 304
 305         case BFAD_E_HAL_INIT_FAILED:
 306                 bfa_sm_set_state(bfad, bfad_sm_failed);
 307                 break;
 308         default:
 309                 bfa_sm_fault(bfad, event);
 310         }
 311 }
 312
 313 static void
 314 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
 315 {
 316         int     retval;
 317
 318         bfa_trc(bfad, event);
 319
 320         switch (event) {
 321         case BFAD_E_INIT_SUCCESS:
 322                 retval = bfad_start_ops(bfad);
 323                 if (retval != BFA_STATUS_OK)
 324                         break;
 325                 bfa_sm_set_state(bfad, bfad_sm_operational);
 326                 break;
 327
 328         case BFAD_E_STOP:
 329                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 330                 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 331                 break;
 332
 333         case BFAD_E_EXIT_COMP:
 334                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 335                 bfad_remove_intr(bfad);
 336                 del_timer_sync(&bfad->hal_tmo);
 337                 break;
 338
 339         default:
 340                 bfa_sm_fault(bfad, event);
 341         }
 342 }
 343
 344 static void
 345 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
 346 {
 347         bfa_trc(bfad, event);
 348
 349         switch (event) {
 350         case BFAD_E_STOP:
 351                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 352                 bfad_fcs_stop(bfad);
 353                 break;
 354
 355         default:
 356                 bfa_sm_fault(bfad, event);
 357         }
 358 }
 359
 360 static void
 361 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
 362 {
 363         bfa_trc(bfad, event);
 364
 365         switch (event) {
 366         case BFAD_E_FCS_EXIT_COMP:
 367                 bfa_sm_set_state(bfad, bfad_sm_stopping);
 368                 bfad_stop(bfad);
 369                 break;
 370
 371         default:
 372                 bfa_sm_fault(bfad, event);
 373         }
 374 }
 375
 376 static void
 377 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
 378 {
 379         bfa_trc(bfad, event);
 380
 381         switch (event) {
 382         case BFAD_E_EXIT_COMP:
 383                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 384                 bfad_remove_intr(bfad);
 385                 del_timer_sync(&bfad->hal_tmo);
 386                 bfad_im_probe_undo(bfad);
 387                 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 388                 bfad_uncfg_pport(bfad);
 389                 break;
 390
 391         default:
 392                 bfa_sm_fault(bfad, event);
 393                 break;
 394         }
 395 }
 396
 397 /*
 398  *  BFA callbacks
 399  */
 400 void
 401 bfad_hcb_comp(void *arg, bfa_status_t status)
 402 {
 403         struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
 404
 405         fcomp->status = status;
 406         complete(&fcomp->comp);
 407 }
 408
 409 /*
 410  * bfa_init callback
 411  */
 412 void
 413 bfa_cb_init(void *drv, bfa_status_t init_status)
 414 {
 415         struct bfad_s         *bfad = drv;
 416
 417         if (init_status == BFA_STATUS_OK) {
 418                 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 419
 420                 /*
 421                  * If BFAD_HAL_INIT_FAIL flag is set:
 422                  * Wake up the kernel thread to start
 423                  * the bfad operations after HAL init done
 424                  */
 425                 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
 426                         bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
 427                         wake_up_process(bfad->bfad_tsk);
 428                 }
 429         }
 430
 431         complete(&bfad->comp);
 432 }
 433
 434 /*
 435  *  BFA_FCS callbacks
 436  */
 437 struct bfad_port_s *
 438 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
 439                  enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
 440                  struct bfad_vport_s *vp_drv)
 441 {
 442         bfa_status_t    rc;
 443         struct bfad_port_s    *port_drv;
 444
 445         if (!vp_drv && !vf_drv) {
 446                 port_drv = &bfad->pport;
 447                 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
 448         } else if (!vp_drv && vf_drv) {
 449                 port_drv = &vf_drv->base_port;
 450                 port_drv->pvb_type = BFAD_PORT_VF_BASE;
 451         } else if (vp_drv && !vf_drv) {
 452                 port_drv = &vp_drv->drv_port;
 453                 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
 454         } else {
 455                 port_drv = &vp_drv->drv_port;
 456                 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
 457         }
 458
 459         port_drv->fcs_port = port;
 460         port_drv->roles = roles;
 461
 462         if (roles & BFA_LPORT_ROLE_FCP_IM) {
 463                 rc = bfad_im_port_new(bfad, port_drv);
 464                 if (rc != BFA_STATUS_OK) {
 465                         bfad_im_port_delete(bfad, port_drv);
 466                         port_drv = NULL;
 467                 }
 468         }
 469
 470         return port_drv;
 471 }
 472
 473 /*
 474  * FCS RPORT alloc callback, after successful PLOGI by FCS
 475  */
 476 bfa_status_t
 477 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
 478                     struct bfad_rport_s **rport_drv)
 479 {
 480         bfa_status_t    rc = BFA_STATUS_OK;
 481
 482         *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
 483         if (*rport_drv == NULL) {
 484                 rc = BFA_STATUS_ENOMEM;
 485                 goto ext;
 486         }
 487
 488         *rport = &(*rport_drv)->fcs_rport;
 489
 490 ext:
 491         return rc;
 492 }
 493
 494 /*
 495  * FCS PBC VPORT Create
 496  */
 497 void
 498 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
 499 {
 500
 501         struct bfa_lport_cfg_s port_cfg = {0};
 502         struct bfad_vport_s   *vport;
 503         int rc;
 504
 505         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
 506         if (!vport) {
 507                 bfa_trc(bfad, 0);
 508                 return;
 509         }
 510
 511         vport->drv_port.bfad = bfad;
 512         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 513         port_cfg.pwwn = pbc_vport.vp_pwwn;
 514         port_cfg.nwwn = pbc_vport.vp_nwwn;
 515         port_cfg.preboot_vp  = BFA_TRUE;
 516
 517         rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
 518                                   &port_cfg, vport);
 519
 520         if (rc != BFA_STATUS_OK) {
 521                 bfa_trc(bfad, 0);
 522                 return;
 523         }
 524
 525         list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
 526 }
 527
 528 void
 529 bfad_hal_mem_release(struct bfad_s *bfad)
 530 {
 531         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 532         struct bfa_mem_dma_s *dma_info, *dma_elem;
 533         struct bfa_mem_kva_s *kva_info, *kva_elem;
 534         struct list_head *dm_qe, *km_qe;
 535
 536         dma_info = &hal_meminfo->dma_info;
 537         kva_info = &hal_meminfo->kva_info;
 538
 539         /* Iterate through the KVA meminfo queue */
 540         list_for_each(km_qe, &kva_info->qe) {
 541                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 542                 vfree(kva_elem->kva);
 543         }
 544
 545         /* Iterate through the DMA meminfo queue */
 546         list_for_each(dm_qe, &dma_info->qe) {
 547                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 548                 dma_free_coherent(&bfad->pcidev->dev,
 549                                 dma_elem->mem_len, dma_elem->kva,
 550                                 (dma_addr_t) dma_elem->dma);
 551         }
 552
 553         memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
 554 }
 555
 556 void
 557 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
 558 {
 559         if (num_rports > 0)
 560                 bfa_cfg->fwcfg.num_rports = num_rports;
 561         if (num_ios > 0)
 562                 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
 563         if (num_tms > 0)
 564                 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
 565         if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
 566                 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
 567         if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
 568                 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
 569         if (reqq_size > 0)
 570                 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
 571         if (rspq_size > 0)
 572                 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
 573         if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
 574                 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
 575
 576         /*
 577          * populate the hal values back to the driver for sysfs use.
 578          * otherwise, the default values will be shown as 0 in sysfs
 579          */
 580         num_rports = bfa_cfg->fwcfg.num_rports;
 581         num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
 582         num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
 583         num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
 584         num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
 585         reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
 586         rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
 587         num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
 588 }
 589
 590 bfa_status_t
 591 bfad_hal_mem_alloc(struct bfad_s *bfad)
 592 {
 593         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 594         struct bfa_mem_dma_s *dma_info, *dma_elem;
 595         struct bfa_mem_kva_s *kva_info, *kva_elem;
 596         struct list_head *dm_qe, *km_qe;
 597         bfa_status_t    rc = BFA_STATUS_OK;
 598         dma_addr_t      phys_addr;
 599
 600         bfa_cfg_get_default(&bfad->ioc_cfg);
 601         bfad_update_hal_cfg(&bfad->ioc_cfg);
 602         bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
 603         bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
 604
 605         dma_info = &hal_meminfo->dma_info;
 606         kva_info = &hal_meminfo->kva_info;
 607
 608         /* Iterate through the KVA meminfo queue */
 609         list_for_each(km_qe, &kva_info->qe) {
 610                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 611                 kva_elem->kva = vzalloc(kva_elem->mem_len);
 612                 if (kva_elem->kva == NULL) {
 613                         bfad_hal_mem_release(bfad);
 614                         rc = BFA_STATUS_ENOMEM;
 615                         goto ext;
 616                 }
 617         }
 618
 619         /* Iterate through the DMA meminfo queue */
 620         list_for_each(dm_qe, &dma_info->qe) {
 621                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 622                 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
 623                                                 dma_elem->mem_len,
 624                                                 &phys_addr, GFP_KERNEL);
 625                 if (dma_elem->kva == NULL) {
 626                         bfad_hal_mem_release(bfad);
 627                         rc = BFA_STATUS_ENOMEM;
 628                         goto ext;
 629                 }
 630                 dma_elem->dma = phys_addr;
 631                 memset(dma_elem->kva, 0, dma_elem->mem_len);
 632         }
 633 ext:
 634         return rc;
 635 }
 636
 637 /*
 638  * Create a vport under a vf.
 639  */
 640 bfa_status_t
 641 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 642                   struct bfa_lport_cfg_s *port_cfg, struct device *dev)
 643 {
 644         struct bfad_vport_s   *vport;
 645         int             rc = BFA_STATUS_OK;
 646         unsigned long   flags;
 647         struct completion fcomp;
 648
 649         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
 650         if (!vport) {
 651                 rc = BFA_STATUS_ENOMEM;
 652                 goto ext;
 653         }
 654
 655         vport->drv_port.bfad = bfad;
 656         spin_lock_irqsave(&bfad->bfad_lock, flags);
 657         rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
 658                                   port_cfg, vport);
 659         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 660
 661         if (rc != BFA_STATUS_OK)
 662                 goto ext_free_vport;
 663
 664         if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
 665                 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
 666                                                         dev);
 667                 if (rc != BFA_STATUS_OK)
 668                         goto ext_free_fcs_vport;
 669         }
 670
 671         spin_lock_irqsave(&bfad->bfad_lock, flags);
 672         bfa_fcs_vport_start(&vport->fcs_vport);
 673         list_add_tail(&vport->list_entry, &bfad->vport_list);
 674         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 675
 676         return BFA_STATUS_OK;
 677
 678 ext_free_fcs_vport:
 679         spin_lock_irqsave(&bfad->bfad_lock, flags);
 680         vport->comp_del = &fcomp;
 681         init_completion(vport->comp_del);
 682         bfa_fcs_vport_delete(&vport->fcs_vport);
 683         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 684         wait_for_completion(vport->comp_del);
 685 ext_free_vport:
 686         kfree(vport);
 687 ext:
 688         return rc;
 689 }
 690
 691 void
 692 bfad_bfa_tmo(struct timer_list *t)
 693 {
 694         struct bfad_s         *bfad = from_timer(bfad, t, hal_tmo);
 695         unsigned long   flags;
 696         struct list_head               doneq;
 697
 698         spin_lock_irqsave(&bfad->bfad_lock, flags);
 699
 700         bfa_timer_beat(&bfad->bfa.timer_mod);
 701
 702         bfa_comp_deq(&bfad->bfa, &doneq);
 703         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 704
 705         if (!list_empty(&doneq)) {
 706                 bfa_comp_process(&bfad->bfa, &doneq);
 707                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 708                 bfa_comp_free(&bfad->bfa, &doneq);
 709                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 710         }
 711
 712         mod_timer(&bfad->hal_tmo,
 713                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 714 }
 715
 716 void
 717 bfad_init_timer(struct bfad_s *bfad)
 718 {
 719         timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
 720
 721         mod_timer(&bfad->hal_tmo,
 722                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 723 }
 724
 725 int
 726 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 727 {
 728         int             rc = -ENODEV;
 729
 730         if (pci_enable_device(pdev)) {
 731                 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
 732                 goto out;
 733         }
 734
 735         if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
 736                 goto out_disable_device;
 737
 738         pci_set_master(pdev);
 739
 740
 741         if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
 742             (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
 743                 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
 744                    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
 745                         printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
 746                         goto out_release_region;
 747                 }
 748         }
 749
 750         /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 751         pci_enable_pcie_error_reporting(pdev);
 752
 753         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 754         bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 755
 756         if (bfad->pci_bar0_kva == NULL) {
 757                 printk(KERN_ERR "Fail to map bar0\n");
 758                 goto out_release_region;
 759         }
 760
 761         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 762         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 763         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 764         bfad->hal_pcidev.device_id = pdev->device;
 765         bfad->hal_pcidev.ssid = pdev->subsystem_device;
 766         bfad->pci_name = pci_name(pdev);
 767
 768         bfad->pci_attr.vendor_id = pdev->vendor;
 769         bfad->pci_attr.device_id = pdev->device;
 770         bfad->pci_attr.ssid = pdev->subsystem_device;
 771         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 772         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 773
 774         bfad->pcidev = pdev;
 775
 776         /* Adjust PCIe Maximum Read Request Size */
 777         if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 778                 if (pcie_max_read_reqsz >= 128 &&
 779                     pcie_max_read_reqsz <= 4096 &&
 780                     is_power_of_2(pcie_max_read_reqsz)) {
 781                         int max_rq = pcie_get_readrq(pdev);
 782                         printk(KERN_WARNING "BFA[%s]: "
 783                                 "pcie_max_read_request_size is %d, "
 784                                 "reset to %d\n", bfad->pci_name, max_rq,
 785                                 pcie_max_read_reqsz);
 786                         pcie_set_readrq(pdev, pcie_max_read_reqsz);
 787                 } else {
 788                         printk(KERN_WARNING "BFA[%s]: invalid "
 789                                "pcie_max_read_request_size %d ignored\n",
 790                                bfad->pci_name, pcie_max_read_reqsz);
 791                 }
 792         }
 793
 794         pci_save_state(pdev);
 795
 796         return 0;
 797
 798 out_release_region:
 799         pci_release_regions(pdev);
 800 out_disable_device:
 801         pci_disable_device(pdev);
 802 out:
 803         return rc;
 804 }
 805
 806 void
 807 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 808 {
 809         pci_iounmap(pdev, bfad->pci_bar0_kva);
 810         pci_iounmap(pdev, bfad->pci_bar2_kva);
 811         pci_release_regions(pdev);
 812         /* Disable PCIE Advanced Error Recovery (AER) */
 813         pci_disable_pcie_error_reporting(pdev);
 814         pci_disable_device(pdev);
 815 }
 816
 817 bfa_status_t
 818 bfad_drv_init(struct bfad_s *bfad)
 819 {
 820         bfa_status_t    rc;
 821         unsigned long   flags;
 822
 823         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 824         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 825         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 826         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 827
 828         rc = bfad_hal_mem_alloc(bfad);
 829         if (rc != BFA_STATUS_OK) {
 830                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 831                        bfad->inst_no);
 832                 printk(KERN_WARNING
 833                         "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 834                 return BFA_STATUS_FAILED;
 835         }
 836
 837         bfad->bfa.trcmod = bfad->trcmod;
 838         bfad->bfa.plog = &bfad->plog_buf;
 839         bfa_plog_init(&bfad->plog_buf);
 840         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 841                      0, "Driver Attach");
 842
 843         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 844                    &bfad->hal_pcidev);
 845
 846         /* FCS INIT */
 847         spin_lock_irqsave(&bfad->bfad_lock, flags);
 848         bfad->bfa_fcs.trcmod = bfad->trcmod;
 849         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 850         bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 851         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 852
 853         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 854
 855         return BFA_STATUS_OK;
 856 }
 857
 858 void
 859 bfad_drv_uninit(struct bfad_s *bfad)
 860 {
 861         unsigned long   flags;
 862
 863         spin_lock_irqsave(&bfad->bfad_lock, flags);
 864         init_completion(&bfad->comp);
 865         bfa_iocfc_stop(&bfad->bfa);
 866         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 867         wait_for_completion(&bfad->comp);
 868
 869         del_timer_sync(&bfad->hal_tmo);
 870         bfa_isr_disable(&bfad->bfa);
 871         bfa_detach(&bfad->bfa);
 872         bfad_remove_intr(bfad);
 873         bfad_hal_mem_release(bfad);
 874
 875         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 876 }
 877
 878 void
 879 bfad_drv_start(struct bfad_s *bfad)
 880 {
 881         unsigned long   flags;
 882
 883         spin_lock_irqsave(&bfad->bfad_lock, flags);
 884         bfa_iocfc_start(&bfad->bfa);
 885         bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 886         bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 887         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 888         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 889
 890         if (bfad->im)
 891                 flush_workqueue(bfad->im->drv_workq);
 892 }
 893
 894 void
 895 bfad_fcs_stop(struct bfad_s *bfad)
 896 {
 897         unsigned long   flags;
 898
 899         spin_lock_irqsave(&bfad->bfad_lock, flags);
 900         init_completion(&bfad->comp);
 901         bfad->pport.flags |= BFAD_PORT_DELETE;
 902         bfa_fcs_exit(&bfad->bfa_fcs);
 903         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 904         wait_for_completion(&bfad->comp);
 905
 906         bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 907 }
 908
 909 void
 910 bfad_stop(struct bfad_s *bfad)
 911 {
 912         unsigned long   flags;
 913
 914         spin_lock_irqsave(&bfad->bfad_lock, flags);
 915         init_completion(&bfad->comp);
 916         bfa_iocfc_stop(&bfad->bfa);
 917         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 918         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 919         wait_for_completion(&bfad->comp);
 920
 921         bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 922 }
 923
 924 bfa_status_t
 925 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 926 {
 927         int             rc = BFA_STATUS_OK;
 928
 929         /* Allocate scsi_host for the physical port */
 930         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 931             (role & BFA_LPORT_ROLE_FCP_IM)) {
 932                 if (bfad->pport.im_port == NULL) {
 933                         rc = BFA_STATUS_FAILED;
 934                         goto out;
 935                 }
 936
 937                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 938                                                 &bfad->pcidev->dev);
 939                 if (rc != BFA_STATUS_OK)
 940                         goto out;
 941
 942                 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 943         }
 944
 945         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 946
 947 out:
 948         return rc;
 949 }
 950
 951 void
 952 bfad_uncfg_pport(struct bfad_s *bfad)
 953 {
 954         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 955             (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 956                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 957                 bfad_im_port_clean(bfad->pport.im_port);
 958                 kfree(bfad->pport.im_port);
 959                 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 960         }
 961
 962         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 963 }
 964
 965 bfa_status_t
 966 bfad_start_ops(struct bfad_s *bfad) {
 967
 968         int     retval;
 969         unsigned long   flags;
 970         struct bfad_vport_s *vport, *vport_new;
 971         struct bfa_fcs_driver_info_s driver_info;
 972
 973         /* Limit min/max. xfer size to [64k-32MB] */
 974         if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 975                 max_xfer_size = BFAD_MIN_SECTORS >> 1;
 976         if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 977                 max_xfer_size = BFAD_MAX_SECTORS >> 1;
 978
 979         /* Fill the driver_info info to fcs*/
 980         memset(&driver_info, 0, sizeof(driver_info));
 981         strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
 982                 sizeof(driver_info.version));
 983         if (host_name)
 984                 strlcpy(driver_info.host_machine_name, host_name,
 985                         sizeof(driver_info.host_machine_name));
 986         if (os_name)
 987                 strlcpy(driver_info.host_os_name, os_name,
 988                         sizeof(driver_info.host_os_name));
 989         if (os_patch)
 990                 strlcpy(driver_info.host_os_patch, os_patch,
 991                         sizeof(driver_info.host_os_patch));
 992
 993         strlcpy(driver_info.os_device_name, bfad->pci_name,
 994                 sizeof(driver_info.os_device_name));
 995
 996         /* FCS driver info init */
 997         spin_lock_irqsave(&bfad->bfad_lock, flags);
 998         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
 999
1000         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1001                 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1002         else
1003                 bfa_fcs_init(&bfad->bfa_fcs);
1004
1005         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1006
1007         if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1008                 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1009                 if (retval != BFA_STATUS_OK)
1010                         return BFA_STATUS_FAILED;
1011         }
1012
1013         /* Setup fc host fixed attribute if the lk supports */
1014         bfad_fc_host_init(bfad->pport.im_port);
1015
1016         /* BFAD level FC4 IM specific resource allocation */
1017         retval = bfad_im_probe(bfad);
1018         if (retval != BFA_STATUS_OK) {
1019                 printk(KERN_WARNING "bfad_im_probe failed\n");
1020                 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1021                         bfa_sm_set_state(bfad, bfad_sm_failed);
1022                 return BFA_STATUS_FAILED;
1023         } else
1024                 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1025
1026         bfad_drv_start(bfad);
1027
1028         /* Complete pbc vport create */
1029         list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1030                                 list_entry) {
1031                 struct fc_vport_identifiers vid;
1032                 struct fc_vport *fc_vport;
1033                 char pwwn_buf[BFA_STRING_32];
1034
1035                 memset(&vid, 0, sizeof(vid));
1036                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1037                 vid.vport_type = FC_PORTTYPE_NPIV;
1038                 vid.disable = false;
1039                 vid.node_name = wwn_to_u64((u8 *)
1040                                 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1041                 vid.port_name = wwn_to_u64((u8 *)
1042                                 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1043                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1044                 if (!fc_vport) {
1045                         wwn2str(pwwn_buf, vid.port_name);
1046                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1047                                 " %s\n", bfad->inst_no, pwwn_buf);
1048                 }
1049                 list_del(&vport->list_entry);
1050                 kfree(vport);
1051         }
1052
1053         /*
1054          * If bfa_linkup_delay is set to -1 default; try to retrive the
1055          * value using the bfad_get_linkup_delay(); else use the
1056          * passed in module param value as the bfa_linkup_delay.
1057          */
1058         if (bfa_linkup_delay < 0) {
1059                 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1060                 bfad_rport_online_wait(bfad);
1061                 bfa_linkup_delay = -1;
1062         } else
1063                 bfad_rport_online_wait(bfad);
1064
1065         BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1066
1067         return BFA_STATUS_OK;
1068 }
1069
1070 int
1071 bfad_worker(void *ptr)
1072 {
1073         struct bfad_s *bfad = ptr;
1074         unsigned long flags;
1075
1076         if (kthread_should_stop())
1077                 return 0;
1078
1079         /* Send event BFAD_E_INIT_SUCCESS */
1080         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1081
1082         spin_lock_irqsave(&bfad->bfad_lock, flags);
1083         bfad->bfad_tsk = NULL;
1084         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1085
1086         return 0;
1087 }
1088
1089 /*
1090  *  BFA driver interrupt functions
1091  */
1092 irqreturn_t
1093 bfad_intx(int irq, void *dev_id)
1094 {
1095         struct bfad_s   *bfad = dev_id;
1096         struct list_head        doneq;
1097         unsigned long   flags;
1098         bfa_boolean_t rc;
1099
1100         spin_lock_irqsave(&bfad->bfad_lock, flags);
1101         rc = bfa_intx(&bfad->bfa);
1102         if (!rc) {
1103                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1104                 return IRQ_NONE;
1105         }
1106
1107         bfa_comp_deq(&bfad->bfa, &doneq);
1108         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1109
1110         if (!list_empty(&doneq)) {
1111                 bfa_comp_process(&bfad->bfa, &doneq);
1112
1113                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1114                 bfa_comp_free(&bfad->bfa, &doneq);
1115                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1116         }
1117
1118         return IRQ_HANDLED;
1119
1120 }
1121
1122 static irqreturn_t
1123 bfad_msix(int irq, void *dev_id)
1124 {
1125         struct bfad_msix_s *vec = dev_id;
1126         struct bfad_s *bfad = vec->bfad;
1127         struct list_head doneq;
1128         unsigned long   flags;
1129
1130         spin_lock_irqsave(&bfad->bfad_lock, flags);
1131
1132         bfa_msix(&bfad->bfa, vec->msix.entry);
1133         bfa_comp_deq(&bfad->bfa, &doneq);
1134         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1135
1136         if (!list_empty(&doneq)) {
1137                 bfa_comp_process(&bfad->bfa, &doneq);
1138
1139                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1140                 bfa_comp_free(&bfad->bfa, &doneq);
1141                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1142         }
1143
1144         return IRQ_HANDLED;
1145 }
1146
1147 /*
1148  * Initialize the MSIX entry table.
1149  */
1150 static void
1151 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1152                          int mask, int max_bit)
1153 {
1154         int     i;
1155         int     match = 0x00000001;
1156
1157         for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1158                 if (mask & match) {
1159                         bfad->msix_tab[bfad->nvec].msix.entry = i;
1160                         bfad->msix_tab[bfad->nvec].bfad = bfad;
1161                         msix_entries[bfad->nvec].entry = i;
1162                         bfad->nvec++;
1163                 }
1164
1165                 match <<= 1;
1166         }
1167
1168 }
1169
1170 int
1171 bfad_install_msix_handler(struct bfad_s *bfad)
1172 {
1173         int i, error = 0;
1174
1175         for (i = 0; i < bfad->nvec; i++) {
1176                 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1177                                 bfad->pci_name,
1178                                 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1179                                 msix_name_cb[i] : msix_name_ct[i]));
1180
1181                 error = request_irq(bfad->msix_tab[i].msix.vector,
1182                                     (irq_handler_t) bfad_msix, 0,
1183                                     bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1184                 bfa_trc(bfad, i);
1185                 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1186                 if (error) {
1187                         int     j;
1188
1189                         for (j = 0; j < i; j++)
1190                                 free_irq(bfad->msix_tab[j].msix.vector,
1191                                                 &bfad->msix_tab[j]);
1192
1193                         bfad->bfad_flags &= ~BFAD_MSIX_ON;
1194                         pci_disable_msix(bfad->pcidev);
1195
1196                         return 1;
1197                 }
1198         }
1199
1200         return 0;
1201 }
1202
1203 /*
1204  * Setup MSIX based interrupt.
1205  */
1206 int
1207 bfad_setup_intr(struct bfad_s *bfad)
1208 {
1209         int error;
1210         u32 mask = 0, i, num_bit = 0, max_bit = 0;
1211         struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1212         struct pci_dev *pdev = bfad->pcidev;
1213         u16     reg;
1214
1215         /* Call BFA to get the msix map for this PCI function.  */
1216         bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1217
1218         /* Set up the msix entry table */
1219         bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1220
1221         if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1222            (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1223
1224                 error = pci_enable_msix_exact(bfad->pcidev,
1225                                               msix_entries, bfad->nvec);
1226                 /* In CT1 & CT2, try to allocate just one vector */
1227                 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1228                         printk(KERN_WARNING "bfa %s: trying one msix "
1229                                "vector failed to allocate %d[%d]\n",
1230                                bfad->pci_name, bfad->nvec, error);
1231                         bfad->nvec = 1;
1232                         error = pci_enable_msix_exact(bfad->pcidev,
1233                                                       msix_entries, 1);
1234                 }
1235
1236                 if (error) {
1237                         printk(KERN_WARNING "bfad%d: "
1238                                "pci_enable_msix_exact failed (%d), "
1239                                "use line based.\n",
1240                                 bfad->inst_no, error);
1241                         goto line_based;
1242                 }
1243
1244                 /* Disable INTX in MSI-X mode */
1245                 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1246
1247                 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1248                         pci_write_config_word(pdev, PCI_COMMAND,
1249                                 reg | PCI_COMMAND_INTX_DISABLE);
1250
1251                 /* Save the vectors */
1252                 for (i = 0; i < bfad->nvec; i++) {
1253                         bfa_trc(bfad, msix_entries[i].vector);
1254                         bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1255                 }
1256
1257                 bfa_msix_init(&bfad->bfa, bfad->nvec);
1258
1259                 bfad->bfad_flags |= BFAD_MSIX_ON;
1260
1261                 return 0;
1262         }
1263
1264 line_based:
1265         error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1266                             BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1267         if (error)
1268                 return error;
1269
1270         bfad->bfad_flags |= BFAD_INTX_ON;
1271
1272         return 0;
1273 }
1274
1275 void
1276 bfad_remove_intr(struct bfad_s *bfad)
1277 {
1278         int     i;
1279
1280         if (bfad->bfad_flags & BFAD_MSIX_ON) {
1281                 for (i = 0; i < bfad->nvec; i++)
1282                         free_irq(bfad->msix_tab[i].msix.vector,
1283                                         &bfad->msix_tab[i]);
1284
1285                 pci_disable_msix(bfad->pcidev);
1286                 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1287         } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1288                 free_irq(bfad->pcidev->irq, bfad);
1289         }
1290 }
1291
1292 /*
1293  * PCI probe entry.
1294  */
1295 int
1296 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1297 {
1298         struct bfad_s   *bfad;
1299         int             error = -ENODEV, retval, i;
1300
1301         /* For single port cards - only claim function 0 */
1302         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1303                 (PCI_FUNC(pdev->devfn) != 0))
1304                 return -ENODEV;
1305
1306         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1307         if (!bfad) {
1308                 error = -ENOMEM;
1309                 goto out;
1310         }
1311
1312         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1313         if (!bfad->trcmod) {
1314                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1315                 error = -ENOMEM;
1316                 goto out_alloc_trace_failure;
1317         }
1318
1319         /* TRACE INIT */
1320         bfa_trc_init(bfad->trcmod);
1321         bfa_trc(bfad, bfad_inst);
1322
1323         /* AEN INIT */
1324         INIT_LIST_HEAD(&bfad->free_aen_q);
1325         INIT_LIST_HEAD(&bfad->active_aen_q);
1326         for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1327                 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1328
1329         if (!(bfad_load_fwimg(pdev))) {
1330                 kfree(bfad->trcmod);
1331                 goto out_alloc_trace_failure;
1332         }
1333
1334         retval = bfad_pci_init(pdev, bfad);
1335         if (retval) {
1336                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1337                 error = retval;
1338                 goto out_pci_init_failure;
1339         }
1340
1341         mutex_lock(&bfad_mutex);
1342         bfad->inst_no = bfad_inst++;
1343         list_add_tail(&bfad->list_entry, &bfad_list);
1344         mutex_unlock(&bfad_mutex);
1345
1346         /* Initializing the state machine: State set to uninit */
1347         bfa_sm_set_state(bfad, bfad_sm_uninit);
1348
1349         spin_lock_init(&bfad->bfad_lock);
1350         spin_lock_init(&bfad->bfad_aen_spinlock);
1351
1352         pci_set_drvdata(pdev, bfad);
1353
1354         bfad->ref_count = 0;
1355         bfad->pport.bfad = bfad;
1356         INIT_LIST_HEAD(&bfad->pbc_vport_list);
1357         INIT_LIST_HEAD(&bfad->vport_list);
1358
1359         /* Setup the debugfs node for this bfad */
1360         if (bfa_debugfs_enable)
1361                 bfad_debugfs_init(&bfad->pport);
1362
1363         retval = bfad_drv_init(bfad);
1364         if (retval != BFA_STATUS_OK)
1365                 goto out_drv_init_failure;
1366
1367         bfa_sm_send_event(bfad, BFAD_E_CREATE);
1368
1369         if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1370                 goto out_bfad_sm_failure;
1371
1372         return 0;
1373
1374 out_bfad_sm_failure:
1375         bfad_hal_mem_release(bfad);
1376 out_drv_init_failure:
1377         /* Remove the debugfs node for this bfad */
1378         kfree(bfad->regdata);
1379         bfad_debugfs_exit(&bfad->pport);
1380         mutex_lock(&bfad_mutex);
1381         bfad_inst--;
1382         list_del(&bfad->list_entry);
1383         mutex_unlock(&bfad_mutex);
1384         bfad_pci_uninit(pdev, bfad);
1385 out_pci_init_failure:
1386         kfree(bfad->trcmod);
1387 out_alloc_trace_failure:
1388         kfree(bfad);
1389 out:
1390         return error;
1391 }
1392
1393 /*
1394  * PCI remove entry.
1395  */
1396 void
1397 bfad_pci_remove(struct pci_dev *pdev)
1398 {
1399         struct bfad_s         *bfad = pci_get_drvdata(pdev);
1400         unsigned long   flags;
1401
1402         bfa_trc(bfad, bfad->inst_no);
1403
1404         spin_lock_irqsave(&bfad->bfad_lock, flags);
1405         if (bfad->bfad_tsk != NULL) {
1406                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1407                 kthread_stop(bfad->bfad_tsk);
1408         } else {
1409                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1410         }
1411
1412         /* Send Event BFAD_E_STOP */
1413         bfa_sm_send_event(bfad, BFAD_E_STOP);
1414
1415         /* Driver detach and dealloc mem */
1416         spin_lock_irqsave(&bfad->bfad_lock, flags);
1417         bfa_detach(&bfad->bfa);
1418         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1419         bfad_hal_mem_release(bfad);
1420
1421         /* Remove the debugfs node for this bfad */
1422         kfree(bfad->regdata);
1423         bfad_debugfs_exit(&bfad->pport);
1424
1425         /* Cleaning the BFAD instance */
1426         mutex_lock(&bfad_mutex);
1427         bfad_inst--;
1428         list_del(&bfad->list_entry);
1429         mutex_unlock(&bfad_mutex);
1430         bfad_pci_uninit(pdev, bfad);
1431
1432         kfree(bfad->trcmod);
1433         kfree(bfad);
1434 }
1435
1436 /*
1437  * PCI Error Recovery entry, error detected.
1438  */
1439 static pci_ers_result_t
1440 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1441 {
1442         struct bfad_s *bfad = pci_get_drvdata(pdev);
1443         unsigned long   flags;
1444         pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1445
1446         dev_printk(KERN_ERR, &pdev->dev,
1447                    "error detected state: %d - flags: 0x%x\n",
1448                    state, bfad->bfad_flags);
1449
1450         switch (state) {
1451         case pci_channel_io_normal: /* non-fatal error */
1452                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1453                 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1454                 /* Suspend/fail all bfa operations */
1455                 bfa_ioc_suspend(&bfad->bfa.ioc);
1456                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1457                 del_timer_sync(&bfad->hal_tmo);
1458                 ret = PCI_ERS_RESULT_CAN_RECOVER;
1459                 break;
1460         case pci_channel_io_frozen: /* fatal error */
1461                 init_completion(&bfad->comp);
1462                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1463                 bfad->bfad_flags |= BFAD_EEH_BUSY;
1464                 /* Suspend/fail all bfa operations */
1465                 bfa_ioc_suspend(&bfad->bfa.ioc);
1466                 bfa_fcs_stop(&bfad->bfa_fcs);
1467                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1468                 wait_for_completion(&bfad->comp);
1469
1470                 bfad_remove_intr(bfad);
1471                 del_timer_sync(&bfad->hal_tmo);
1472                 pci_disable_device(pdev);
1473                 ret = PCI_ERS_RESULT_NEED_RESET;
1474                 break;
1475         case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1476                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1477                 bfad->bfad_flags |= BFAD_EEH_BUSY |
1478                                     BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1479                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1480
1481                 /* If the error_detected handler is called with the reason
1482                  * pci_channel_io_perm_failure - it will subsequently call
1483                  * pci_remove() entry point to remove the pci device from the
1484                  * system - So defer the cleanup to pci_remove(); cleaning up
1485                  * here causes inconsistent state during pci_remove().
1486                  */
1487                 ret = PCI_ERS_RESULT_DISCONNECT;
1488                 break;
1489         default:
1490                 WARN_ON(1);
1491         }
1492
1493         return ret;
1494 }
1495
1496 int
1497 restart_bfa(struct bfad_s *bfad)
1498 {
1499         unsigned long flags;
1500         struct pci_dev *pdev = bfad->pcidev;
1501
1502         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1503                    &bfad->meminfo, &bfad->hal_pcidev);
1504
1505         /* Enable Interrupt and wait bfa_init completion */
1506         if (bfad_setup_intr(bfad)) {
1507                 dev_printk(KERN_WARNING, &pdev->dev,
1508                            "%s: bfad_setup_intr failed\n", bfad->pci_name);
1509                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1510                 return -1;
1511         }
1512
1513         init_completion(&bfad->comp);
1514         spin_lock_irqsave(&bfad->bfad_lock, flags);
1515         bfa_iocfc_init(&bfad->bfa);
1516         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1517
1518         /* Set up interrupt handler for each vectors */
1519         if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1520             bfad_install_msix_handler(bfad))
1521                 dev_printk(KERN_WARNING, &pdev->dev,
1522                            "%s: install_msix failed.\n", bfad->pci_name);
1523
1524         bfad_init_timer(bfad);
1525         wait_for_completion(&bfad->comp);
1526         bfad_drv_start(bfad);
1527
1528         return 0;
1529 }
1530
1531 /*
1532  * PCI Error Recovery entry, re-initialize the chip.
1533  */
1534 static pci_ers_result_t
1535 bfad_pci_slot_reset(struct pci_dev *pdev)
1536 {
1537         struct bfad_s *bfad = pci_get_drvdata(pdev);
1538         u8 byte;
1539
1540         dev_printk(KERN_ERR, &pdev->dev,
1541                    "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1542
1543         if (pci_enable_device(pdev)) {
1544                 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1545                            "PCI device after reset.\n");
1546                 return PCI_ERS_RESULT_DISCONNECT;
1547         }
1548
1549         pci_restore_state(pdev);
1550
1551         /*
1552          * Read some byte (e.g. DMA max. payload size which can't
1553          * be 0xff any time) to make sure - we did not hit another PCI error
1554          * in the middle of recovery. If we did, then declare permanent failure.
1555          */
1556         pci_read_config_byte(pdev, 0x68, &byte);
1557         if (byte == 0xff) {
1558                 dev_printk(KERN_ERR, &pdev->dev,
1559                            "slot_reset failed ... got another PCI error !\n");
1560                 goto out_disable_device;
1561         }
1562
1563         pci_save_state(pdev);
1564         pci_set_master(pdev);
1565
1566         if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1567                 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1568                         goto out_disable_device;
1569
1570         pci_cleanup_aer_uncorrect_error_status(pdev);
1571
1572         if (restart_bfa(bfad) == -1)
1573                 goto out_disable_device;
1574
1575         pci_enable_pcie_error_reporting(pdev);
1576         dev_printk(KERN_WARNING, &pdev->dev,
1577                    "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1578
1579         return PCI_ERS_RESULT_RECOVERED;
1580
1581 out_disable_device:
1582         pci_disable_device(pdev);
1583         return PCI_ERS_RESULT_DISCONNECT;
1584 }
1585
1586 static pci_ers_result_t
1587 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1588 {
1589         unsigned long   flags;
1590         struct bfad_s *bfad = pci_get_drvdata(pdev);
1591
1592         dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1593
1594         /* Fetch FW diagnostic information */
1595         bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1596
1597         /* Cancel all pending IOs */
1598         spin_lock_irqsave(&bfad->bfad_lock, flags);
1599         init_completion(&bfad->comp);
1600         bfa_fcs_stop(&bfad->bfa_fcs);
1601         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1602         wait_for_completion(&bfad->comp);
1603
1604         bfad_remove_intr(bfad);
1605         del_timer_sync(&bfad->hal_tmo);
1606         pci_disable_device(pdev);
1607
1608         return PCI_ERS_RESULT_NEED_RESET;
1609 }
1610
1611 static void
1612 bfad_pci_resume(struct pci_dev *pdev)
1613 {
1614         unsigned long   flags;
1615         struct bfad_s *bfad = pci_get_drvdata(pdev);
1616
1617         dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1618
1619         /* wait until the link is online */
1620         bfad_rport_online_wait(bfad);
1621
1622         spin_lock_irqsave(&bfad->bfad_lock, flags);
1623         bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1624         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1625 }
1626
1627 struct pci_device_id bfad_id_table[] = {
1628         {
1629                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1630                 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1631                 .subvendor = PCI_ANY_ID,
1632                 .subdevice = PCI_ANY_ID,
1633         },
1634         {
1635                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1636                 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1637                 .subvendor = PCI_ANY_ID,
1638                 .subdevice = PCI_ANY_ID,
1639         },
1640         {
1641                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1642                 .device = BFA_PCI_DEVICE_ID_CT,
1643                 .subvendor = PCI_ANY_ID,
1644                 .subdevice = PCI_ANY_ID,
1645                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1646                 .class_mask = ~0,
1647         },
1648         {
1649                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1650                 .device = BFA_PCI_DEVICE_ID_CT_FC,
1651                 .subvendor = PCI_ANY_ID,
1652                 .subdevice = PCI_ANY_ID,
1653                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1654                 .class_mask = ~0,
1655         },
1656         {
1657                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1658                 .device = BFA_PCI_DEVICE_ID_CT2,
1659                 .subvendor = PCI_ANY_ID,
1660                 .subdevice = PCI_ANY_ID,
1661                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1662                 .class_mask = ~0,
1663         },
1664
1665         {
1666                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1667                 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1668                 .subvendor = PCI_ANY_ID,
1669                 .subdevice = PCI_ANY_ID,
1670                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1671                 .class_mask = ~0,
1672         },
1673         {0, 0},
1674 };
1675
1676 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1677
1678 /*
1679  * PCI error recovery handlers.
1680  */
1681 static struct pci_error_handlers bfad_err_handler = {
1682         .error_detected = bfad_pci_error_detected,
1683         .slot_reset = bfad_pci_slot_reset,
1684         .mmio_enabled = bfad_pci_mmio_enabled,
1685         .resume = bfad_pci_resume,
1686 };
1687
1688 static struct pci_driver bfad_pci_driver = {
1689         .name = BFAD_DRIVER_NAME,
1690         .id_table = bfad_id_table,
1691         .probe = bfad_pci_probe,
1692         .remove = bfad_pci_remove,
1693         .err_handler = &bfad_err_handler,
1694 };
1695
1696 /*
1697  * Driver module init.
1698  */
1699 static int __init
1700 bfad_init(void)
1701 {
1702         int             error = 0;
1703
1704         pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1705                         BFAD_DRIVER_VERSION);
1706
1707         if (num_sgpgs > 0)
1708                 num_sgpgs_parm = num_sgpgs;
1709
1710         error = bfad_im_module_init();
1711         if (error) {
1712                 error = -ENOMEM;
1713                 printk(KERN_WARNING "bfad_im_module_init failure\n");
1714                 goto ext;
1715         }
1716
1717         if (strcmp(FCPI_NAME, " fcpim") == 0)
1718                 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1719
1720         bfa_auto_recover = ioc_auto_recover;
1721         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1722         bfa_fcs_rport_set_max_logins(max_rport_logins);
1723
1724         error = pci_register_driver(&bfad_pci_driver);
1725         if (error) {
1726                 printk(KERN_WARNING "pci_register_driver failure\n");
1727                 goto ext;
1728         }
1729
1730         return 0;
1731
1732 ext:
1733         bfad_im_module_exit();
1734         return error;
1735 }
1736
1737 /*
1738  * Driver module exit.
1739  */
1740 static void __exit
1741 bfad_exit(void)
1742 {
1743         pci_unregister_driver(&bfad_pci_driver);
1744         bfad_im_module_exit();
1745         bfad_free_fwimg();
1746 }
1747
1748 /* Firmware handling */
1749 static void
1750 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1751                 u32 *bfi_image_size, char *fw_name)
1752 {
1753         const struct firmware *fw;
1754
1755         if (reject_firmware(&fw, fw_name, &pdev->dev)) {
1756                 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1757                 *bfi_image = NULL;
1758                 goto out;
1759         }
1760
1761         *bfi_image = vmalloc(fw->size);
1762         if (NULL == *bfi_image) {
1763                 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1764                         "size=%x!\n", (u32) fw->size);
1765                 goto out;
1766         }
1767
1768         memcpy(*bfi_image, fw->data, fw->size);
1769         *bfi_image_size = fw->size/sizeof(u32);
1770 out:
1771         release_firmware(fw);
1772 }
1773
1774 static u32 *
1775 bfad_load_fwimg(struct pci_dev *pdev)
1776 {
1777         if (bfa_asic_id_ct2(pdev->device)) {
1778                 if (bfi_image_ct2_size == 0)
1779                         bfad_read_firmware(pdev, &bfi_image_ct2,
1780                                 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1781                 return bfi_image_ct2;
1782         } else if (bfa_asic_id_ct(pdev->device)) {
1783                 if (bfi_image_ct_size == 0)
1784                         bfad_read_firmware(pdev, &bfi_image_ct,
1785                                 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1786                 return bfi_image_ct;
1787         } else if (bfa_asic_id_cb(pdev->device)) {
1788                 if (bfi_image_cb_size == 0)
1789                         bfad_read_firmware(pdev, &bfi_image_cb,
1790                                 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1791                 return bfi_image_cb;
1792         }
1793
1794         return NULL;
1795 }
1796
1797 static void
1798 bfad_free_fwimg(void)
1799 {
1800         if (bfi_image_ct2_size && bfi_image_ct2)
1801                 vfree(bfi_image_ct2);
1802         if (bfi_image_ct_size && bfi_image_ct)
1803                 vfree(bfi_image_ct);
1804         if (bfi_image_cb_size && bfi_image_cb)
1805                 vfree(bfi_image_cb);
1806 }
1807
1808 module_init(bfad_init);
1809 module_exit(bfad_exit);
1810 MODULE_LICENSE("GPL");
1811 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1812 MODULE_AUTHOR("QLogic Corporation");
1813 MODULE_VERSION(BFAD_DRIVER_VERSION);