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         "cbfw-3.2.5.1.bin"
  68 #define BFAD_FW_FILE_CT         "ctfw-3.2.5.1.bin"
  69 #define BFAD_FW_FILE_CT2        "ct2fw-3.2.5.1.bin"
  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 MODULE_FIRMWARE(BFAD_FW_FILE_CB);
  87 MODULE_FIRMWARE(BFAD_FW_FILE_CT);
  88 MODULE_FIRMWARE(BFAD_FW_FILE_CT2);
  89
  90 module_param(os_name, charp, S_IRUGO | S_IWUSR);
  91 MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  92 module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  93 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  94 module_param(host_name, charp, S_IRUGO | S_IWUSR);
  95 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  96 module_param(num_rports, int, S_IRUGO | S_IWUSR);
  97 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port "
  98                                 "(physical/logical), default=1024");
  99 module_param(num_ios, int, S_IRUGO | S_IWUSR);
 100 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
 101 module_param(num_tms, int, S_IRUGO | S_IWUSR);
 102 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
 103 module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
 104 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
 105 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
 106 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame "
 107                                 "buffers, default=64");
 108 module_param(reqq_size, int, S_IRUGO | S_IWUSR);
 109 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, "
 110                                 "default=256");
 111 module_param(rspq_size, int, S_IRUGO | S_IWUSR);
 112 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, "
 113                                 "default=64");
 114 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
 115 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
 116 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
 117 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, "
 118                                         "Range[>0]");
 119 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
 120 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]");
 121 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
 122 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
 123 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR);
 124 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, "
 125                                 "Range[Critical:1|Error:2|Warning:3|Info:4]");
 126 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 127 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, "
 128                                 "Range[off:0|on:1]");
 129 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 130 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for "
 131                         "boot port. Otherwise 10 secs in RHEL4 & 0 for "
 132                         "[RHEL5, SLES10, ESX40] Range[>0]");
 133 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
 134 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]");
 135 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 136 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]");
 137 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 138 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, "
 139                                 "Range[false:0|true:1]");
 140 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR);
 141 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 "
 142                 "(use system setting), Range[128|256|512|1024|2048|4096]");
 143 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
 144 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
 145                 " Range[false:0|true:1]");
 146 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR);
 147 MODULE_PARM_DESC(max_xfer_size, "default=32MB,"
 148                 " Range[64k|128k|256k|512k|1024k|2048k]");
 149 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR);
 150 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024");
 151
 152 static void
 153 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event);
 154 static void
 155 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event);
 156 static void
 157 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event);
 158 static void
 159 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event);
 160 static void
 161 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event);
 162 static void
 163 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event);
 164 static void
 165 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event);
 166
 167 /*
 168  * Beginning state for the driver instance, awaiting the pci_probe event
 169  */
 170 static void
 171 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event)
 172 {
 173         bfa_trc(bfad, event);
 174
 175         switch (event) {
 176         case BFAD_E_CREATE:
 177                 bfa_sm_set_state(bfad, bfad_sm_created);
 178                 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad,
 179                                                 "%s", "bfad_worker");
 180                 if (IS_ERR(bfad->bfad_tsk)) {
 181                         printk(KERN_INFO "bfad[%d]: Kernel thread "
 182                                 "creation failed!\n", bfad->inst_no);
 183                         bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED);
 184                 }
 185                 bfa_sm_send_event(bfad, BFAD_E_INIT);
 186                 break;
 187
 188         case BFAD_E_STOP:
 189                 /* Ignore stop; already in uninit */
 190                 break;
 191
 192         default:
 193                 bfa_sm_fault(bfad, event);
 194         }
 195 }
 196
 197 /*
 198  * Driver Instance is created, awaiting event INIT to initialize the bfad
 199  */
 200 static void
 201 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event)
 202 {
 203         unsigned long flags;
 204         bfa_status_t ret;
 205
 206         bfa_trc(bfad, event);
 207
 208         switch (event) {
 209         case BFAD_E_INIT:
 210                 bfa_sm_set_state(bfad, bfad_sm_initializing);
 211
 212                 init_completion(&bfad->comp);
 213
 214                 /* Enable Interrupt and wait bfa_init completion */
 215                 if (bfad_setup_intr(bfad)) {
 216                         printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
 217                                         bfad->inst_no);
 218                         bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 219                         break;
 220                 }
 221
 222                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 223                 bfa_iocfc_init(&bfad->bfa);
 224                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 225
 226                 /* Set up interrupt handler for each vectors */
 227                 if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
 228                         bfad_install_msix_handler(bfad)) {
 229                         printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
 230                                 __func__, bfad->inst_no);
 231                 }
 232
 233                 bfad_init_timer(bfad);
 234
 235                 wait_for_completion(&bfad->comp);
 236
 237                 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 238                         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
 239                 } else {
 240                         printk(KERN_WARNING
 241                                 "bfa %s: bfa init failed\n",
 242                                 bfad->pci_name);
 243                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 244                         bfa_fcs_init(&bfad->bfa_fcs);
 245                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 246
 247                         ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
 248                         if (ret != BFA_STATUS_OK) {
 249                                 init_completion(&bfad->comp);
 250
 251                                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 252                                 bfad->pport.flags |= BFAD_PORT_DELETE;
 253                                 bfa_fcs_exit(&bfad->bfa_fcs);
 254                                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 255
 256                                 wait_for_completion(&bfad->comp);
 257
 258                                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
 259                                 break;
 260                         }
 261                         bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
 262                         bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED);
 263                 }
 264
 265                 break;
 266
 267         case BFAD_E_KTHREAD_CREATE_FAILED:
 268                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 269                 break;
 270
 271         default:
 272                 bfa_sm_fault(bfad, event);
 273         }
 274 }
 275
 276 static void
 277 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event)
 278 {
 279         int     retval;
 280         unsigned long   flags;
 281
 282         bfa_trc(bfad, event);
 283
 284         switch (event) {
 285         case BFAD_E_INIT_SUCCESS:
 286                 kthread_stop(bfad->bfad_tsk);
 287                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 288                 bfad->bfad_tsk = NULL;
 289                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 290
 291                 retval = bfad_start_ops(bfad);
 292                 if (retval != BFA_STATUS_OK) {
 293                         bfa_sm_set_state(bfad, bfad_sm_failed);
 294                         break;
 295                 }
 296                 bfa_sm_set_state(bfad, bfad_sm_operational);
 297                 break;
 298
 299         case BFAD_E_INIT_FAILED:
 300                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 301                 kthread_stop(bfad->bfad_tsk);
 302                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 303                 bfad->bfad_tsk = NULL;
 304                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 305                 break;
 306
 307         case BFAD_E_HAL_INIT_FAILED:
 308                 bfa_sm_set_state(bfad, bfad_sm_failed);
 309                 break;
 310         default:
 311                 bfa_sm_fault(bfad, event);
 312         }
 313 }
 314
 315 static void
 316 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event)
 317 {
 318         int     retval;
 319
 320         bfa_trc(bfad, event);
 321
 322         switch (event) {
 323         case BFAD_E_INIT_SUCCESS:
 324                 retval = bfad_start_ops(bfad);
 325                 if (retval != BFA_STATUS_OK)
 326                         break;
 327                 bfa_sm_set_state(bfad, bfad_sm_operational);
 328                 break;
 329
 330         case BFAD_E_STOP:
 331                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 332                 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 333                 break;
 334
 335         case BFAD_E_EXIT_COMP:
 336                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 337                 bfad_remove_intr(bfad);
 338                 del_timer_sync(&bfad->hal_tmo);
 339                 break;
 340
 341         default:
 342                 bfa_sm_fault(bfad, event);
 343         }
 344 }
 345
 346 static void
 347 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event)
 348 {
 349         bfa_trc(bfad, event);
 350
 351         switch (event) {
 352         case BFAD_E_STOP:
 353                 bfa_sm_set_state(bfad, bfad_sm_fcs_exit);
 354                 bfad_fcs_stop(bfad);
 355                 break;
 356
 357         default:
 358                 bfa_sm_fault(bfad, event);
 359         }
 360 }
 361
 362 static void
 363 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event)
 364 {
 365         bfa_trc(bfad, event);
 366
 367         switch (event) {
 368         case BFAD_E_FCS_EXIT_COMP:
 369                 bfa_sm_set_state(bfad, bfad_sm_stopping);
 370                 bfad_stop(bfad);
 371                 break;
 372
 373         default:
 374                 bfa_sm_fault(bfad, event);
 375         }
 376 }
 377
 378 static void
 379 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event)
 380 {
 381         bfa_trc(bfad, event);
 382
 383         switch (event) {
 384         case BFAD_E_EXIT_COMP:
 385                 bfa_sm_set_state(bfad, bfad_sm_uninit);
 386                 bfad_remove_intr(bfad);
 387                 del_timer_sync(&bfad->hal_tmo);
 388                 bfad_im_probe_undo(bfad);
 389                 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 390                 bfad_uncfg_pport(bfad);
 391                 break;
 392
 393         default:
 394                 bfa_sm_fault(bfad, event);
 395                 break;
 396         }
 397 }
 398
 399 /*
 400  *  BFA callbacks
 401  */
 402 void
 403 bfad_hcb_comp(void *arg, bfa_status_t status)
 404 {
 405         struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
 406
 407         fcomp->status = status;
 408         complete(&fcomp->comp);
 409 }
 410
 411 /*
 412  * bfa_init callback
 413  */
 414 void
 415 bfa_cb_init(void *drv, bfa_status_t init_status)
 416 {
 417         struct bfad_s         *bfad = drv;
 418
 419         if (init_status == BFA_STATUS_OK) {
 420                 bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 421
 422                 /*
 423                  * If BFAD_HAL_INIT_FAIL flag is set:
 424                  * Wake up the kernel thread to start
 425                  * the bfad operations after HAL init done
 426                  */
 427                 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
 428                         bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
 429                         wake_up_process(bfad->bfad_tsk);
 430                 }
 431         }
 432
 433         complete(&bfad->comp);
 434 }
 435
 436 /*
 437  *  BFA_FCS callbacks
 438  */
 439 struct bfad_port_s *
 440 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port,
 441                  enum bfa_lport_role roles, struct bfad_vf_s *vf_drv,
 442                  struct bfad_vport_s *vp_drv)
 443 {
 444         bfa_status_t    rc;
 445         struct bfad_port_s    *port_drv;
 446
 447         if (!vp_drv && !vf_drv) {
 448                 port_drv = &bfad->pport;
 449                 port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
 450         } else if (!vp_drv && vf_drv) {
 451                 port_drv = &vf_drv->base_port;
 452                 port_drv->pvb_type = BFAD_PORT_VF_BASE;
 453         } else if (vp_drv && !vf_drv) {
 454                 port_drv = &vp_drv->drv_port;
 455                 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
 456         } else {
 457                 port_drv = &vp_drv->drv_port;
 458                 port_drv->pvb_type = BFAD_PORT_VF_VPORT;
 459         }
 460
 461         port_drv->fcs_port = port;
 462         port_drv->roles = roles;
 463
 464         if (roles & BFA_LPORT_ROLE_FCP_IM) {
 465                 rc = bfad_im_port_new(bfad, port_drv);
 466                 if (rc != BFA_STATUS_OK) {
 467                         bfad_im_port_delete(bfad, port_drv);
 468                         port_drv = NULL;
 469                 }
 470         }
 471
 472         return port_drv;
 473 }
 474
 475 /*
 476  * FCS RPORT alloc callback, after successful PLOGI by FCS
 477  */
 478 bfa_status_t
 479 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
 480                     struct bfad_rport_s **rport_drv)
 481 {
 482         bfa_status_t    rc = BFA_STATUS_OK;
 483
 484         *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
 485         if (*rport_drv == NULL) {
 486                 rc = BFA_STATUS_ENOMEM;
 487                 goto ext;
 488         }
 489
 490         *rport = &(*rport_drv)->fcs_rport;
 491
 492 ext:
 493         return rc;
 494 }
 495
 496 /*
 497  * FCS PBC VPORT Create
 498  */
 499 void
 500 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
 501 {
 502
 503         struct bfa_lport_cfg_s port_cfg = {0};
 504         struct bfad_vport_s   *vport;
 505         int rc;
 506
 507         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC);
 508         if (!vport) {
 509                 bfa_trc(bfad, 0);
 510                 return;
 511         }
 512
 513         vport->drv_port.bfad = bfad;
 514         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 515         port_cfg.pwwn = pbc_vport.vp_pwwn;
 516         port_cfg.nwwn = pbc_vport.vp_nwwn;
 517         port_cfg.preboot_vp  = BFA_TRUE;
 518
 519         rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0,
 520                                   &port_cfg, vport);
 521
 522         if (rc != BFA_STATUS_OK) {
 523                 bfa_trc(bfad, 0);
 524                 return;
 525         }
 526
 527         list_add_tail(&vport->list_entry, &bfad->pbc_vport_list);
 528 }
 529
 530 void
 531 bfad_hal_mem_release(struct bfad_s *bfad)
 532 {
 533         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 534         struct bfa_mem_dma_s *dma_info, *dma_elem;
 535         struct bfa_mem_kva_s *kva_info, *kva_elem;
 536         struct list_head *dm_qe, *km_qe;
 537
 538         dma_info = &hal_meminfo->dma_info;
 539         kva_info = &hal_meminfo->kva_info;
 540
 541         /* Iterate through the KVA meminfo queue */
 542         list_for_each(km_qe, &kva_info->qe) {
 543                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 544                 vfree(kva_elem->kva);
 545         }
 546
 547         /* Iterate through the DMA meminfo queue */
 548         list_for_each(dm_qe, &dma_info->qe) {
 549                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 550                 dma_free_coherent(&bfad->pcidev->dev,
 551                                 dma_elem->mem_len, dma_elem->kva,
 552                                 (dma_addr_t) dma_elem->dma);
 553         }
 554
 555         memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
 556 }
 557
 558 void
 559 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
 560 {
 561         if (num_rports > 0)
 562                 bfa_cfg->fwcfg.num_rports = num_rports;
 563         if (num_ios > 0)
 564                 bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
 565         if (num_tms > 0)
 566                 bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
 567         if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX)
 568                 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
 569         if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX)
 570                 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
 571         if (reqq_size > 0)
 572                 bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
 573         if (rspq_size > 0)
 574                 bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
 575         if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX)
 576                 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
 577
 578         /*
 579          * populate the hal values back to the driver for sysfs use.
 580          * otherwise, the default values will be shown as 0 in sysfs
 581          */
 582         num_rports = bfa_cfg->fwcfg.num_rports;
 583         num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
 584         num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
 585         num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
 586         num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
 587         reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
 588         rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
 589         num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
 590 }
 591
 592 bfa_status_t
 593 bfad_hal_mem_alloc(struct bfad_s *bfad)
 594 {
 595         struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
 596         struct bfa_mem_dma_s *dma_info, *dma_elem;
 597         struct bfa_mem_kva_s *kva_info, *kva_elem;
 598         struct list_head *dm_qe, *km_qe;
 599         bfa_status_t    rc = BFA_STATUS_OK;
 600         dma_addr_t      phys_addr;
 601
 602         bfa_cfg_get_default(&bfad->ioc_cfg);
 603         bfad_update_hal_cfg(&bfad->ioc_cfg);
 604         bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
 605         bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa);
 606
 607         dma_info = &hal_meminfo->dma_info;
 608         kva_info = &hal_meminfo->kva_info;
 609
 610         /* Iterate through the KVA meminfo queue */
 611         list_for_each(km_qe, &kva_info->qe) {
 612                 kva_elem = (struct bfa_mem_kva_s *) km_qe;
 613                 kva_elem->kva = vzalloc(kva_elem->mem_len);
 614                 if (kva_elem->kva == NULL) {
 615                         bfad_hal_mem_release(bfad);
 616                         rc = BFA_STATUS_ENOMEM;
 617                         goto ext;
 618                 }
 619         }
 620
 621         /* Iterate through the DMA meminfo queue */
 622         list_for_each(dm_qe, &dma_info->qe) {
 623                 dma_elem = (struct bfa_mem_dma_s *) dm_qe;
 624                 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev,
 625                                                 dma_elem->mem_len,
 626                                                 &phys_addr, GFP_KERNEL);
 627                 if (dma_elem->kva == NULL) {
 628                         bfad_hal_mem_release(bfad);
 629                         rc = BFA_STATUS_ENOMEM;
 630                         goto ext;
 631                 }
 632                 dma_elem->dma = phys_addr;
 633                 memset(dma_elem->kva, 0, dma_elem->mem_len);
 634         }
 635 ext:
 636         return rc;
 637 }
 638
 639 /*
 640  * Create a vport under a vf.
 641  */
 642 bfa_status_t
 643 bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
 644                   struct bfa_lport_cfg_s *port_cfg, struct device *dev)
 645 {
 646         struct bfad_vport_s   *vport;
 647         int             rc = BFA_STATUS_OK;
 648         unsigned long   flags;
 649         struct completion fcomp;
 650
 651         vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
 652         if (!vport) {
 653                 rc = BFA_STATUS_ENOMEM;
 654                 goto ext;
 655         }
 656
 657         vport->drv_port.bfad = bfad;
 658         spin_lock_irqsave(&bfad->bfad_lock, flags);
 659         rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id,
 660                                   port_cfg, vport);
 661         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 662
 663         if (rc != BFA_STATUS_OK)
 664                 goto ext_free_vport;
 665
 666         if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) {
 667                 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
 668                                                         dev);
 669                 if (rc != BFA_STATUS_OK)
 670                         goto ext_free_fcs_vport;
 671         }
 672
 673         spin_lock_irqsave(&bfad->bfad_lock, flags);
 674         bfa_fcs_vport_start(&vport->fcs_vport);
 675         list_add_tail(&vport->list_entry, &bfad->vport_list);
 676         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 677
 678         return BFA_STATUS_OK;
 679
 680 ext_free_fcs_vport:
 681         spin_lock_irqsave(&bfad->bfad_lock, flags);
 682         vport->comp_del = &fcomp;
 683         init_completion(vport->comp_del);
 684         bfa_fcs_vport_delete(&vport->fcs_vport);
 685         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 686         wait_for_completion(vport->comp_del);
 687 ext_free_vport:
 688         kfree(vport);
 689 ext:
 690         return rc;
 691 }
 692
 693 void
 694 bfad_bfa_tmo(struct timer_list *t)
 695 {
 696         struct bfad_s         *bfad = from_timer(bfad, t, hal_tmo);
 697         unsigned long   flags;
 698         struct list_head               doneq;
 699
 700         spin_lock_irqsave(&bfad->bfad_lock, flags);
 701
 702         bfa_timer_beat(&bfad->bfa.timer_mod);
 703
 704         bfa_comp_deq(&bfad->bfa, &doneq);
 705         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 706
 707         if (!list_empty(&doneq)) {
 708                 bfa_comp_process(&bfad->bfa, &doneq);
 709                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 710                 bfa_comp_free(&bfad->bfa, &doneq);
 711                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 712         }
 713
 714         mod_timer(&bfad->hal_tmo,
 715                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 716 }
 717
 718 void
 719 bfad_init_timer(struct bfad_s *bfad)
 720 {
 721         timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0);
 722
 723         mod_timer(&bfad->hal_tmo,
 724                   jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
 725 }
 726
 727 int
 728 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
 729 {
 730         int             rc = -ENODEV;
 731
 732         if (pci_enable_device(pdev)) {
 733                 printk(KERN_ERR "pci_enable_device fail %p\n", pdev);
 734                 goto out;
 735         }
 736
 737         if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
 738                 goto out_disable_device;
 739
 740         pci_set_master(pdev);
 741
 742         if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) ||
 743             dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) {
 744                 printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev);
 745                 goto out_release_region;
 746         }
 747
 748         /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 749         pci_enable_pcie_error_reporting(pdev);
 750
 751         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 752         bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 753
 754         if (bfad->pci_bar0_kva == NULL) {
 755                 printk(KERN_ERR "Fail to map bar0\n");
 756                 goto out_release_region;
 757         }
 758
 759         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 760         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 761         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 762         bfad->hal_pcidev.device_id = pdev->device;
 763         bfad->hal_pcidev.ssid = pdev->subsystem_device;
 764         bfad->pci_name = pci_name(pdev);
 765
 766         bfad->pci_attr.vendor_id = pdev->vendor;
 767         bfad->pci_attr.device_id = pdev->device;
 768         bfad->pci_attr.ssid = pdev->subsystem_device;
 769         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 770         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 771
 772         bfad->pcidev = pdev;
 773
 774         /* Adjust PCIe Maximum Read Request Size */
 775         if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 776                 if (pcie_max_read_reqsz >= 128 &&
 777                     pcie_max_read_reqsz <= 4096 &&
 778                     is_power_of_2(pcie_max_read_reqsz)) {
 779                         int max_rq = pcie_get_readrq(pdev);
 780                         printk(KERN_WARNING "BFA[%s]: "
 781                                 "pcie_max_read_request_size is %d, "
 782                                 "reset to %d\n", bfad->pci_name, max_rq,
 783                                 pcie_max_read_reqsz);
 784                         pcie_set_readrq(pdev, pcie_max_read_reqsz);
 785                 } else {
 786                         printk(KERN_WARNING "BFA[%s]: invalid "
 787                                "pcie_max_read_request_size %d ignored\n",
 788                                bfad->pci_name, pcie_max_read_reqsz);
 789                 }
 790         }
 791
 792         pci_save_state(pdev);
 793
 794         return 0;
 795
 796 out_release_region:
 797         pci_release_regions(pdev);
 798 out_disable_device:
 799         pci_disable_device(pdev);
 800 out:
 801         return rc;
 802 }
 803
 804 void
 805 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 806 {
 807         pci_iounmap(pdev, bfad->pci_bar0_kva);
 808         pci_iounmap(pdev, bfad->pci_bar2_kva);
 809         pci_release_regions(pdev);
 810         /* Disable PCIE Advanced Error Recovery (AER) */
 811         pci_disable_pcie_error_reporting(pdev);
 812         pci_disable_device(pdev);
 813 }
 814
 815 bfa_status_t
 816 bfad_drv_init(struct bfad_s *bfad)
 817 {
 818         bfa_status_t    rc;
 819         unsigned long   flags;
 820
 821         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 822         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 823         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 824         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 825
 826         rc = bfad_hal_mem_alloc(bfad);
 827         if (rc != BFA_STATUS_OK) {
 828                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 829                        bfad->inst_no);
 830                 printk(KERN_WARNING
 831                         "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 832                 return BFA_STATUS_FAILED;
 833         }
 834
 835         bfad->bfa.trcmod = bfad->trcmod;
 836         bfad->bfa.plog = &bfad->plog_buf;
 837         bfa_plog_init(&bfad->plog_buf);
 838         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 839                      0, "Driver Attach");
 840
 841         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 842                    &bfad->hal_pcidev);
 843
 844         /* FCS INIT */
 845         spin_lock_irqsave(&bfad->bfad_lock, flags);
 846         bfad->bfa_fcs.trcmod = bfad->trcmod;
 847         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 848         bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 849         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 850
 851         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 852
 853         return BFA_STATUS_OK;
 854 }
 855
 856 void
 857 bfad_drv_uninit(struct bfad_s *bfad)
 858 {
 859         unsigned long   flags;
 860
 861         spin_lock_irqsave(&bfad->bfad_lock, flags);
 862         init_completion(&bfad->comp);
 863         bfa_iocfc_stop(&bfad->bfa);
 864         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 865         wait_for_completion(&bfad->comp);
 866
 867         del_timer_sync(&bfad->hal_tmo);
 868         bfa_isr_disable(&bfad->bfa);
 869         bfa_detach(&bfad->bfa);
 870         bfad_remove_intr(bfad);
 871         bfad_hal_mem_release(bfad);
 872
 873         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 874 }
 875
 876 void
 877 bfad_drv_start(struct bfad_s *bfad)
 878 {
 879         unsigned long   flags;
 880
 881         spin_lock_irqsave(&bfad->bfad_lock, flags);
 882         bfa_iocfc_start(&bfad->bfa);
 883         bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 884         bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 885         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 886         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 887
 888         if (bfad->im)
 889                 flush_workqueue(bfad->im->drv_workq);
 890 }
 891
 892 void
 893 bfad_fcs_stop(struct bfad_s *bfad)
 894 {
 895         unsigned long   flags;
 896
 897         spin_lock_irqsave(&bfad->bfad_lock, flags);
 898         init_completion(&bfad->comp);
 899         bfad->pport.flags |= BFAD_PORT_DELETE;
 900         bfa_fcs_exit(&bfad->bfa_fcs);
 901         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 902         wait_for_completion(&bfad->comp);
 903
 904         bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 905 }
 906
 907 void
 908 bfad_stop(struct bfad_s *bfad)
 909 {
 910         unsigned long   flags;
 911
 912         spin_lock_irqsave(&bfad->bfad_lock, flags);
 913         init_completion(&bfad->comp);
 914         bfa_iocfc_stop(&bfad->bfa);
 915         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 916         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 917         wait_for_completion(&bfad->comp);
 918
 919         bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 920 }
 921
 922 bfa_status_t
 923 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 924 {
 925         int             rc = BFA_STATUS_OK;
 926
 927         /* Allocate scsi_host for the physical port */
 928         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 929             (role & BFA_LPORT_ROLE_FCP_IM)) {
 930                 if (bfad->pport.im_port == NULL) {
 931                         rc = BFA_STATUS_FAILED;
 932                         goto out;
 933                 }
 934
 935                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 936                                                 &bfad->pcidev->dev);
 937                 if (rc != BFA_STATUS_OK)
 938                         goto out;
 939
 940                 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 941         }
 942
 943         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 944
 945 out:
 946         return rc;
 947 }
 948
 949 void
 950 bfad_uncfg_pport(struct bfad_s *bfad)
 951 {
 952         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 953             (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 954                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 955                 bfad_im_port_clean(bfad->pport.im_port);
 956                 kfree(bfad->pport.im_port);
 957                 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 958         }
 959
 960         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 961 }
 962
 963 bfa_status_t
 964 bfad_start_ops(struct bfad_s *bfad) {
 965
 966         int     retval;
 967         unsigned long   flags;
 968         struct bfad_vport_s *vport, *vport_new;
 969         struct bfa_fcs_driver_info_s driver_info;
 970
 971         /* Limit min/max. xfer size to [64k-32MB] */
 972         if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 973                 max_xfer_size = BFAD_MIN_SECTORS >> 1;
 974         if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 975                 max_xfer_size = BFAD_MAX_SECTORS >> 1;
 976
 977         /* Fill the driver_info info to fcs*/
 978         memset(&driver_info, 0, sizeof(driver_info));
 979         strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
 980                 sizeof(driver_info.version));
 981         if (host_name)
 982                 strlcpy(driver_info.host_machine_name, host_name,
 983                         sizeof(driver_info.host_machine_name));
 984         if (os_name)
 985                 strlcpy(driver_info.host_os_name, os_name,
 986                         sizeof(driver_info.host_os_name));
 987         if (os_patch)
 988                 strlcpy(driver_info.host_os_patch, os_patch,
 989                         sizeof(driver_info.host_os_patch));
 990
 991         strlcpy(driver_info.os_device_name, bfad->pci_name,
 992                 sizeof(driver_info.os_device_name));
 993
 994         /* FCS driver info init */
 995         spin_lock_irqsave(&bfad->bfad_lock, flags);
 996         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
 997
 998         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
 999                 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1000         else
1001                 bfa_fcs_init(&bfad->bfa_fcs);
1002
1003         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1004
1005         if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1006                 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1007                 if (retval != BFA_STATUS_OK)
1008                         return BFA_STATUS_FAILED;
1009         }
1010
1011         /* Setup fc host fixed attribute if the lk supports */
1012         bfad_fc_host_init(bfad->pport.im_port);
1013
1014         /* BFAD level FC4 IM specific resource allocation */
1015         retval = bfad_im_probe(bfad);
1016         if (retval != BFA_STATUS_OK) {
1017                 printk(KERN_WARNING "bfad_im_probe failed\n");
1018                 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1019                         bfa_sm_set_state(bfad, bfad_sm_failed);
1020                 return BFA_STATUS_FAILED;
1021         } else
1022                 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1023
1024         bfad_drv_start(bfad);
1025
1026         /* Complete pbc vport create */
1027         list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1028                                 list_entry) {
1029                 struct fc_vport_identifiers vid;
1030                 struct fc_vport *fc_vport;
1031                 char pwwn_buf[BFA_STRING_32];
1032
1033                 memset(&vid, 0, sizeof(vid));
1034                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1035                 vid.vport_type = FC_PORTTYPE_NPIV;
1036                 vid.disable = false;
1037                 vid.node_name = wwn_to_u64((u8 *)
1038                                 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1039                 vid.port_name = wwn_to_u64((u8 *)
1040                                 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1041                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1042                 if (!fc_vport) {
1043                         wwn2str(pwwn_buf, vid.port_name);
1044                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1045                                 " %s\n", bfad->inst_no, pwwn_buf);
1046                 }
1047                 list_del(&vport->list_entry);
1048                 kfree(vport);
1049         }
1050
1051         /*
1052          * If bfa_linkup_delay is set to -1 default; try to retrive the
1053          * value using the bfad_get_linkup_delay(); else use the
1054          * passed in module param value as the bfa_linkup_delay.
1055          */
1056         if (bfa_linkup_delay < 0) {
1057                 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1058                 bfad_rport_online_wait(bfad);
1059                 bfa_linkup_delay = -1;
1060         } else
1061                 bfad_rport_online_wait(bfad);
1062
1063         BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1064
1065         return BFA_STATUS_OK;
1066 }
1067
1068 int
1069 bfad_worker(void *ptr)
1070 {
1071         struct bfad_s *bfad = ptr;
1072         unsigned long flags;
1073
1074         if (kthread_should_stop())
1075                 return 0;
1076
1077         /* Send event BFAD_E_INIT_SUCCESS */
1078         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1079
1080         spin_lock_irqsave(&bfad->bfad_lock, flags);
1081         bfad->bfad_tsk = NULL;
1082         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1083
1084         return 0;
1085 }
1086
1087 /*
1088  *  BFA driver interrupt functions
1089  */
1090 irqreturn_t
1091 bfad_intx(int irq, void *dev_id)
1092 {
1093         struct bfad_s   *bfad = dev_id;
1094         struct list_head        doneq;
1095         unsigned long   flags;
1096         bfa_boolean_t rc;
1097
1098         spin_lock_irqsave(&bfad->bfad_lock, flags);
1099         rc = bfa_intx(&bfad->bfa);
1100         if (!rc) {
1101                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1102                 return IRQ_NONE;
1103         }
1104
1105         bfa_comp_deq(&bfad->bfa, &doneq);
1106         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1107
1108         if (!list_empty(&doneq)) {
1109                 bfa_comp_process(&bfad->bfa, &doneq);
1110
1111                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1112                 bfa_comp_free(&bfad->bfa, &doneq);
1113                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1114         }
1115
1116         return IRQ_HANDLED;
1117
1118 }
1119
1120 static irqreturn_t
1121 bfad_msix(int irq, void *dev_id)
1122 {
1123         struct bfad_msix_s *vec = dev_id;
1124         struct bfad_s *bfad = vec->bfad;
1125         struct list_head doneq;
1126         unsigned long   flags;
1127
1128         spin_lock_irqsave(&bfad->bfad_lock, flags);
1129
1130         bfa_msix(&bfad->bfa, vec->msix.entry);
1131         bfa_comp_deq(&bfad->bfa, &doneq);
1132         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1133
1134         if (!list_empty(&doneq)) {
1135                 bfa_comp_process(&bfad->bfa, &doneq);
1136
1137                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1138                 bfa_comp_free(&bfad->bfa, &doneq);
1139                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1140         }
1141
1142         return IRQ_HANDLED;
1143 }
1144
1145 /*
1146  * Initialize the MSIX entry table.
1147  */
1148 static void
1149 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1150                          int mask, int max_bit)
1151 {
1152         int     i;
1153         int     match = 0x00000001;
1154
1155         for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1156                 if (mask & match) {
1157                         bfad->msix_tab[bfad->nvec].msix.entry = i;
1158                         bfad->msix_tab[bfad->nvec].bfad = bfad;
1159                         msix_entries[bfad->nvec].entry = i;
1160                         bfad->nvec++;
1161                 }
1162
1163                 match <<= 1;
1164         }
1165
1166 }
1167
1168 int
1169 bfad_install_msix_handler(struct bfad_s *bfad)
1170 {
1171         int i, error = 0;
1172
1173         for (i = 0; i < bfad->nvec; i++) {
1174                 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1175                                 bfad->pci_name,
1176                                 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1177                                 msix_name_cb[i] : msix_name_ct[i]));
1178
1179                 error = request_irq(bfad->msix_tab[i].msix.vector,
1180                                     (irq_handler_t) bfad_msix, 0,
1181                                     bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1182                 bfa_trc(bfad, i);
1183                 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1184                 if (error) {
1185                         int     j;
1186
1187                         for (j = 0; j < i; j++)
1188                                 free_irq(bfad->msix_tab[j].msix.vector,
1189                                                 &bfad->msix_tab[j]);
1190
1191                         bfad->bfad_flags &= ~BFAD_MSIX_ON;
1192                         pci_disable_msix(bfad->pcidev);
1193
1194                         return 1;
1195                 }
1196         }
1197
1198         return 0;
1199 }
1200
1201 /*
1202  * Setup MSIX based interrupt.
1203  */
1204 int
1205 bfad_setup_intr(struct bfad_s *bfad)
1206 {
1207         int error;
1208         u32 mask = 0, i, num_bit = 0, max_bit = 0;
1209         struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1210         struct pci_dev *pdev = bfad->pcidev;
1211         u16     reg;
1212
1213         /* Call BFA to get the msix map for this PCI function.  */
1214         bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1215
1216         /* Set up the msix entry table */
1217         bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1218
1219         if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1220            (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1221
1222                 error = pci_enable_msix_exact(bfad->pcidev,
1223                                               msix_entries, bfad->nvec);
1224                 /* In CT1 & CT2, try to allocate just one vector */
1225                 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1226                         printk(KERN_WARNING "bfa %s: trying one msix "
1227                                "vector failed to allocate %d[%d]\n",
1228                                bfad->pci_name, bfad->nvec, error);
1229                         bfad->nvec = 1;
1230                         error = pci_enable_msix_exact(bfad->pcidev,
1231                                                       msix_entries, 1);
1232                 }
1233
1234                 if (error) {
1235                         printk(KERN_WARNING "bfad%d: "
1236                                "pci_enable_msix_exact failed (%d), "
1237                                "use line based.\n",
1238                                 bfad->inst_no, error);
1239                         goto line_based;
1240                 }
1241
1242                 /* Disable INTX in MSI-X mode */
1243                 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1244
1245                 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1246                         pci_write_config_word(pdev, PCI_COMMAND,
1247                                 reg | PCI_COMMAND_INTX_DISABLE);
1248
1249                 /* Save the vectors */
1250                 for (i = 0; i < bfad->nvec; i++) {
1251                         bfa_trc(bfad, msix_entries[i].vector);
1252                         bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1253                 }
1254
1255                 bfa_msix_init(&bfad->bfa, bfad->nvec);
1256
1257                 bfad->bfad_flags |= BFAD_MSIX_ON;
1258
1259                 return 0;
1260         }
1261
1262 line_based:
1263         error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1264                             BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1265         if (error)
1266                 return error;
1267
1268         bfad->bfad_flags |= BFAD_INTX_ON;
1269
1270         return 0;
1271 }
1272
1273 void
1274 bfad_remove_intr(struct bfad_s *bfad)
1275 {
1276         int     i;
1277
1278         if (bfad->bfad_flags & BFAD_MSIX_ON) {
1279                 for (i = 0; i < bfad->nvec; i++)
1280                         free_irq(bfad->msix_tab[i].msix.vector,
1281                                         &bfad->msix_tab[i]);
1282
1283                 pci_disable_msix(bfad->pcidev);
1284                 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1285         } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1286                 free_irq(bfad->pcidev->irq, bfad);
1287         }
1288 }
1289
1290 /*
1291  * PCI probe entry.
1292  */
1293 int
1294 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1295 {
1296         struct bfad_s   *bfad;
1297         int             error = -ENODEV, retval, i;
1298
1299         /* For single port cards - only claim function 0 */
1300         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1301                 (PCI_FUNC(pdev->devfn) != 0))
1302                 return -ENODEV;
1303
1304         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1305         if (!bfad) {
1306                 error = -ENOMEM;
1307                 goto out;
1308         }
1309
1310         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1311         if (!bfad->trcmod) {
1312                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1313                 error = -ENOMEM;
1314                 goto out_alloc_trace_failure;
1315         }
1316
1317         /* TRACE INIT */
1318         bfa_trc_init(bfad->trcmod);
1319         bfa_trc(bfad, bfad_inst);
1320
1321         /* AEN INIT */
1322         INIT_LIST_HEAD(&bfad->free_aen_q);
1323         INIT_LIST_HEAD(&bfad->active_aen_q);
1324         for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1325                 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1326
1327         if (!(bfad_load_fwimg(pdev))) {
1328                 kfree(bfad->trcmod);
1329                 goto out_alloc_trace_failure;
1330         }
1331
1332         retval = bfad_pci_init(pdev, bfad);
1333         if (retval) {
1334                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1335                 error = retval;
1336                 goto out_pci_init_failure;
1337         }
1338
1339         mutex_lock(&bfad_mutex);
1340         bfad->inst_no = bfad_inst++;
1341         list_add_tail(&bfad->list_entry, &bfad_list);
1342         mutex_unlock(&bfad_mutex);
1343
1344         /* Initializing the state machine: State set to uninit */
1345         bfa_sm_set_state(bfad, bfad_sm_uninit);
1346
1347         spin_lock_init(&bfad->bfad_lock);
1348         spin_lock_init(&bfad->bfad_aen_spinlock);
1349
1350         pci_set_drvdata(pdev, bfad);
1351
1352         bfad->ref_count = 0;
1353         bfad->pport.bfad = bfad;
1354         INIT_LIST_HEAD(&bfad->pbc_vport_list);
1355         INIT_LIST_HEAD(&bfad->vport_list);
1356
1357         /* Setup the debugfs node for this bfad */
1358         if (bfa_debugfs_enable)
1359                 bfad_debugfs_init(&bfad->pport);
1360
1361         retval = bfad_drv_init(bfad);
1362         if (retval != BFA_STATUS_OK)
1363                 goto out_drv_init_failure;
1364
1365         bfa_sm_send_event(bfad, BFAD_E_CREATE);
1366
1367         if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1368                 goto out_bfad_sm_failure;
1369
1370         return 0;
1371
1372 out_bfad_sm_failure:
1373         bfad_hal_mem_release(bfad);
1374 out_drv_init_failure:
1375         /* Remove the debugfs node for this bfad */
1376         kfree(bfad->regdata);
1377         bfad_debugfs_exit(&bfad->pport);
1378         mutex_lock(&bfad_mutex);
1379         bfad_inst--;
1380         list_del(&bfad->list_entry);
1381         mutex_unlock(&bfad_mutex);
1382         bfad_pci_uninit(pdev, bfad);
1383 out_pci_init_failure:
1384         kfree(bfad->trcmod);
1385 out_alloc_trace_failure:
1386         kfree(bfad);
1387 out:
1388         return error;
1389 }
1390
1391 /*
1392  * PCI remove entry.
1393  */
1394 void
1395 bfad_pci_remove(struct pci_dev *pdev)
1396 {
1397         struct bfad_s         *bfad = pci_get_drvdata(pdev);
1398         unsigned long   flags;
1399
1400         bfa_trc(bfad, bfad->inst_no);
1401
1402         spin_lock_irqsave(&bfad->bfad_lock, flags);
1403         if (bfad->bfad_tsk != NULL) {
1404                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1405                 kthread_stop(bfad->bfad_tsk);
1406         } else {
1407                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1408         }
1409
1410         /* Send Event BFAD_E_STOP */
1411         bfa_sm_send_event(bfad, BFAD_E_STOP);
1412
1413         /* Driver detach and dealloc mem */
1414         spin_lock_irqsave(&bfad->bfad_lock, flags);
1415         bfa_detach(&bfad->bfa);
1416         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1417         bfad_hal_mem_release(bfad);
1418
1419         /* Remove the debugfs node for this bfad */
1420         kfree(bfad->regdata);
1421         bfad_debugfs_exit(&bfad->pport);
1422
1423         /* Cleaning the BFAD instance */
1424         mutex_lock(&bfad_mutex);
1425         bfad_inst--;
1426         list_del(&bfad->list_entry);
1427         mutex_unlock(&bfad_mutex);
1428         bfad_pci_uninit(pdev, bfad);
1429
1430         kfree(bfad->trcmod);
1431         kfree(bfad);
1432 }
1433
1434 /*
1435  * PCI Error Recovery entry, error detected.
1436  */
1437 static pci_ers_result_t
1438 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1439 {
1440         struct bfad_s *bfad = pci_get_drvdata(pdev);
1441         unsigned long   flags;
1442         pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1443
1444         dev_printk(KERN_ERR, &pdev->dev,
1445                    "error detected state: %d - flags: 0x%x\n",
1446                    state, bfad->bfad_flags);
1447
1448         switch (state) {
1449         case pci_channel_io_normal: /* non-fatal error */
1450                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1451                 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1452                 /* Suspend/fail all bfa operations */
1453                 bfa_ioc_suspend(&bfad->bfa.ioc);
1454                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1455                 del_timer_sync(&bfad->hal_tmo);
1456                 ret = PCI_ERS_RESULT_CAN_RECOVER;
1457                 break;
1458         case pci_channel_io_frozen: /* fatal error */
1459                 init_completion(&bfad->comp);
1460                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1461                 bfad->bfad_flags |= BFAD_EEH_BUSY;
1462                 /* Suspend/fail all bfa operations */
1463                 bfa_ioc_suspend(&bfad->bfa.ioc);
1464                 bfa_fcs_stop(&bfad->bfa_fcs);
1465                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1466                 wait_for_completion(&bfad->comp);
1467
1468                 bfad_remove_intr(bfad);
1469                 del_timer_sync(&bfad->hal_tmo);
1470                 pci_disable_device(pdev);
1471                 ret = PCI_ERS_RESULT_NEED_RESET;
1472                 break;
1473         case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1474                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1475                 bfad->bfad_flags |= BFAD_EEH_BUSY |
1476                                     BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1477                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1478
1479                 /* If the error_detected handler is called with the reason
1480                  * pci_channel_io_perm_failure - it will subsequently call
1481                  * pci_remove() entry point to remove the pci device from the
1482                  * system - So defer the cleanup to pci_remove(); cleaning up
1483                  * here causes inconsistent state during pci_remove().
1484                  */
1485                 ret = PCI_ERS_RESULT_DISCONNECT;
1486                 break;
1487         default:
1488                 WARN_ON(1);
1489         }
1490
1491         return ret;
1492 }
1493
1494 int
1495 restart_bfa(struct bfad_s *bfad)
1496 {
1497         unsigned long flags;
1498         struct pci_dev *pdev = bfad->pcidev;
1499
1500         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1501                    &bfad->meminfo, &bfad->hal_pcidev);
1502
1503         /* Enable Interrupt and wait bfa_init completion */
1504         if (bfad_setup_intr(bfad)) {
1505                 dev_printk(KERN_WARNING, &pdev->dev,
1506                            "%s: bfad_setup_intr failed\n", bfad->pci_name);
1507                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1508                 return -1;
1509         }
1510
1511         init_completion(&bfad->comp);
1512         spin_lock_irqsave(&bfad->bfad_lock, flags);
1513         bfa_iocfc_init(&bfad->bfa);
1514         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1515
1516         /* Set up interrupt handler for each vectors */
1517         if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1518             bfad_install_msix_handler(bfad))
1519                 dev_printk(KERN_WARNING, &pdev->dev,
1520                            "%s: install_msix failed.\n", bfad->pci_name);
1521
1522         bfad_init_timer(bfad);
1523         wait_for_completion(&bfad->comp);
1524         bfad_drv_start(bfad);
1525
1526         return 0;
1527 }
1528
1529 /*
1530  * PCI Error Recovery entry, re-initialize the chip.
1531  */
1532 static pci_ers_result_t
1533 bfad_pci_slot_reset(struct pci_dev *pdev)
1534 {
1535         struct bfad_s *bfad = pci_get_drvdata(pdev);
1536         u8 byte;
1537
1538         dev_printk(KERN_ERR, &pdev->dev,
1539                    "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1540
1541         if (pci_enable_device(pdev)) {
1542                 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1543                            "PCI device after reset.\n");
1544                 return PCI_ERS_RESULT_DISCONNECT;
1545         }
1546
1547         pci_restore_state(pdev);
1548
1549         /*
1550          * Read some byte (e.g. DMA max. payload size which can't
1551          * be 0xff any time) to make sure - we did not hit another PCI error
1552          * in the middle of recovery. If we did, then declare permanent failure.
1553          */
1554         pci_read_config_byte(pdev, 0x68, &byte);
1555         if (byte == 0xff) {
1556                 dev_printk(KERN_ERR, &pdev->dev,
1557                            "slot_reset failed ... got another PCI error !\n");
1558                 goto out_disable_device;
1559         }
1560
1561         pci_save_state(pdev);
1562         pci_set_master(pdev);
1563
1564         if (dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64)) ||
1565             dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(32)))
1566                 goto out_disable_device;
1567
1568         if (restart_bfa(bfad) == -1)
1569                 goto out_disable_device;
1570
1571         pci_enable_pcie_error_reporting(pdev);
1572         dev_printk(KERN_WARNING, &pdev->dev,
1573                    "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1574
1575         return PCI_ERS_RESULT_RECOVERED;
1576
1577 out_disable_device:
1578         pci_disable_device(pdev);
1579         return PCI_ERS_RESULT_DISCONNECT;
1580 }
1581
1582 static pci_ers_result_t
1583 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1584 {
1585         unsigned long   flags;
1586         struct bfad_s *bfad = pci_get_drvdata(pdev);
1587
1588         dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1589
1590         /* Fetch FW diagnostic information */
1591         bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1592
1593         /* Cancel all pending IOs */
1594         spin_lock_irqsave(&bfad->bfad_lock, flags);
1595         init_completion(&bfad->comp);
1596         bfa_fcs_stop(&bfad->bfa_fcs);
1597         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1598         wait_for_completion(&bfad->comp);
1599
1600         bfad_remove_intr(bfad);
1601         del_timer_sync(&bfad->hal_tmo);
1602         pci_disable_device(pdev);
1603
1604         return PCI_ERS_RESULT_NEED_RESET;
1605 }
1606
1607 static void
1608 bfad_pci_resume(struct pci_dev *pdev)
1609 {
1610         unsigned long   flags;
1611         struct bfad_s *bfad = pci_get_drvdata(pdev);
1612
1613         dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1614
1615         /* wait until the link is online */
1616         bfad_rport_online_wait(bfad);
1617
1618         spin_lock_irqsave(&bfad->bfad_lock, flags);
1619         bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1620         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1621 }
1622
1623 struct pci_device_id bfad_id_table[] = {
1624         {
1625                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1626                 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
1627                 .subvendor = PCI_ANY_ID,
1628                 .subdevice = PCI_ANY_ID,
1629         },
1630         {
1631                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1632                 .device = BFA_PCI_DEVICE_ID_FC_8G1P,
1633                 .subvendor = PCI_ANY_ID,
1634                 .subdevice = PCI_ANY_ID,
1635         },
1636         {
1637                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1638                 .device = BFA_PCI_DEVICE_ID_CT,
1639                 .subvendor = PCI_ANY_ID,
1640                 .subdevice = PCI_ANY_ID,
1641                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1642                 .class_mask = ~0,
1643         },
1644         {
1645                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1646                 .device = BFA_PCI_DEVICE_ID_CT_FC,
1647                 .subvendor = PCI_ANY_ID,
1648                 .subdevice = PCI_ANY_ID,
1649                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1650                 .class_mask = ~0,
1651         },
1652         {
1653                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1654                 .device = BFA_PCI_DEVICE_ID_CT2,
1655                 .subvendor = PCI_ANY_ID,
1656                 .subdevice = PCI_ANY_ID,
1657                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1658                 .class_mask = ~0,
1659         },
1660
1661         {
1662                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1663                 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1664                 .subvendor = PCI_ANY_ID,
1665                 .subdevice = PCI_ANY_ID,
1666                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1667                 .class_mask = ~0,
1668         },
1669         {0, 0},
1670 };
1671
1672 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1673
1674 /*
1675  * PCI error recovery handlers.
1676  */
1677 static struct pci_error_handlers bfad_err_handler = {
1678         .error_detected = bfad_pci_error_detected,
1679         .slot_reset = bfad_pci_slot_reset,
1680         .mmio_enabled = bfad_pci_mmio_enabled,
1681         .resume = bfad_pci_resume,
1682 };
1683
1684 static struct pci_driver bfad_pci_driver = {
1685         .name = BFAD_DRIVER_NAME,
1686         .id_table = bfad_id_table,
1687         .probe = bfad_pci_probe,
1688         .remove = bfad_pci_remove,
1689         .err_handler = &bfad_err_handler,
1690 };
1691
1692 /*
1693  * Driver module init.
1694  */
1695 static int __init
1696 bfad_init(void)
1697 {
1698         int             error = 0;
1699
1700         pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1701                         BFAD_DRIVER_VERSION);
1702
1703         if (num_sgpgs > 0)
1704                 num_sgpgs_parm = num_sgpgs;
1705
1706         error = bfad_im_module_init();
1707         if (error) {
1708                 error = -ENOMEM;
1709                 printk(KERN_WARNING "bfad_im_module_init failure\n");
1710                 goto ext;
1711         }
1712
1713         if (strcmp(FCPI_NAME, " fcpim") == 0)
1714                 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1715
1716         bfa_auto_recover = ioc_auto_recover;
1717         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1718         bfa_fcs_rport_set_max_logins(max_rport_logins);
1719
1720         error = pci_register_driver(&bfad_pci_driver);
1721         if (error) {
1722                 printk(KERN_WARNING "pci_register_driver failure\n");
1723                 goto ext;
1724         }
1725
1726         return 0;
1727
1728 ext:
1729         bfad_im_module_exit();
1730         return error;
1731 }
1732
1733 /*
1734  * Driver module exit.
1735  */
1736 static void __exit
1737 bfad_exit(void)
1738 {
1739         pci_unregister_driver(&bfad_pci_driver);
1740         bfad_im_module_exit();
1741         bfad_free_fwimg();
1742 }
1743
1744 /* Firmware handling */
1745 static void
1746 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1747                 u32 *bfi_image_size, char *fw_name)
1748 {
1749         const struct firmware *fw;
1750
1751         if (request_firmware(&fw, fw_name, &pdev->dev)) {
1752                 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1753                 *bfi_image = NULL;
1754                 goto out;
1755         }
1756
1757         *bfi_image = vmalloc(fw->size);
1758         if (NULL == *bfi_image) {
1759                 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1760                         "size=%x!\n", (u32) fw->size);
1761                 goto out;
1762         }
1763
1764         memcpy(*bfi_image, fw->data, fw->size);
1765         *bfi_image_size = fw->size/sizeof(u32);
1766 out:
1767         release_firmware(fw);
1768 }
1769
1770 static u32 *
1771 bfad_load_fwimg(struct pci_dev *pdev)
1772 {
1773         if (bfa_asic_id_ct2(pdev->device)) {
1774                 if (bfi_image_ct2_size == 0)
1775                         bfad_read_firmware(pdev, &bfi_image_ct2,
1776                                 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1777                 return bfi_image_ct2;
1778         } else if (bfa_asic_id_ct(pdev->device)) {
1779                 if (bfi_image_ct_size == 0)
1780                         bfad_read_firmware(pdev, &bfi_image_ct,
1781                                 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1782                 return bfi_image_ct;
1783         } else if (bfa_asic_id_cb(pdev->device)) {
1784                 if (bfi_image_cb_size == 0)
1785                         bfad_read_firmware(pdev, &bfi_image_cb,
1786                                 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1787                 return bfi_image_cb;
1788         }
1789
1790         return NULL;
1791 }
1792
1793 static void
1794 bfad_free_fwimg(void)
1795 {
1796         if (bfi_image_ct2_size && bfi_image_ct2)
1797                 vfree(bfi_image_ct2);
1798         if (bfi_image_ct_size && bfi_image_ct)
1799                 vfree(bfi_image_ct);
1800         if (bfi_image_cb_size && bfi_image_cb)
1801                 vfree(bfi_image_cb);
1802 }
1803
1804 module_init(bfad_init);
1805 module_exit(bfad_exit);
1806 MODULE_LICENSE("GPL");
1807 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1808 MODULE_AUTHOR("QLogic Corporation");
1809 MODULE_VERSION(BFAD_DRIVER_VERSION);