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
 743         if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) ||
 744             (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) {
 745                 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) ||
 746                    (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) {
 747                         printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev);
 748                         goto out_release_region;
 749                 }
 750         }
 751
 752         /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */
 753         pci_enable_pcie_error_reporting(pdev);
 754
 755         bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
 756         bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2));
 757
 758         if (bfad->pci_bar0_kva == NULL) {
 759                 printk(KERN_ERR "Fail to map bar0\n");
 760                 goto out_release_region;
 761         }
 762
 763         bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
 764         bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
 765         bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
 766         bfad->hal_pcidev.device_id = pdev->device;
 767         bfad->hal_pcidev.ssid = pdev->subsystem_device;
 768         bfad->pci_name = pci_name(pdev);
 769
 770         bfad->pci_attr.vendor_id = pdev->vendor;
 771         bfad->pci_attr.device_id = pdev->device;
 772         bfad->pci_attr.ssid = pdev->subsystem_device;
 773         bfad->pci_attr.ssvid = pdev->subsystem_vendor;
 774         bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
 775
 776         bfad->pcidev = pdev;
 777
 778         /* Adjust PCIe Maximum Read Request Size */
 779         if (pci_is_pcie(pdev) && pcie_max_read_reqsz) {
 780                 if (pcie_max_read_reqsz >= 128 &&
 781                     pcie_max_read_reqsz <= 4096 &&
 782                     is_power_of_2(pcie_max_read_reqsz)) {
 783                         int max_rq = pcie_get_readrq(pdev);
 784                         printk(KERN_WARNING "BFA[%s]: "
 785                                 "pcie_max_read_request_size is %d, "
 786                                 "reset to %d\n", bfad->pci_name, max_rq,
 787                                 pcie_max_read_reqsz);
 788                         pcie_set_readrq(pdev, pcie_max_read_reqsz);
 789                 } else {
 790                         printk(KERN_WARNING "BFA[%s]: invalid "
 791                                "pcie_max_read_request_size %d ignored\n",
 792                                bfad->pci_name, pcie_max_read_reqsz);
 793                 }
 794         }
 795
 796         pci_save_state(pdev);
 797
 798         return 0;
 799
 800 out_release_region:
 801         pci_release_regions(pdev);
 802 out_disable_device:
 803         pci_disable_device(pdev);
 804 out:
 805         return rc;
 806 }
 807
 808 void
 809 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
 810 {
 811         pci_iounmap(pdev, bfad->pci_bar0_kva);
 812         pci_iounmap(pdev, bfad->pci_bar2_kva);
 813         pci_release_regions(pdev);
 814         /* Disable PCIE Advanced Error Recovery (AER) */
 815         pci_disable_pcie_error_reporting(pdev);
 816         pci_disable_device(pdev);
 817 }
 818
 819 bfa_status_t
 820 bfad_drv_init(struct bfad_s *bfad)
 821 {
 822         bfa_status_t    rc;
 823         unsigned long   flags;
 824
 825         bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 826         bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
 827         bfad->cfg_data.io_max_sge = bfa_io_max_sge;
 828         bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
 829
 830         rc = bfad_hal_mem_alloc(bfad);
 831         if (rc != BFA_STATUS_OK) {
 832                 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
 833                        bfad->inst_no);
 834                 printk(KERN_WARNING
 835                         "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n");
 836                 return BFA_STATUS_FAILED;
 837         }
 838
 839         bfad->bfa.trcmod = bfad->trcmod;
 840         bfad->bfa.plog = &bfad->plog_buf;
 841         bfa_plog_init(&bfad->plog_buf);
 842         bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
 843                      0, "Driver Attach");
 844
 845         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
 846                    &bfad->hal_pcidev);
 847
 848         /* FCS INIT */
 849         spin_lock_irqsave(&bfad->bfad_lock, flags);
 850         bfad->bfa_fcs.trcmod = bfad->trcmod;
 851         bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
 852         bfad->bfa_fcs.fdmi_enabled = fdmi_enable;
 853         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 854
 855         bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
 856
 857         return BFA_STATUS_OK;
 858 }
 859
 860 void
 861 bfad_drv_uninit(struct bfad_s *bfad)
 862 {
 863         unsigned long   flags;
 864
 865         spin_lock_irqsave(&bfad->bfad_lock, flags);
 866         init_completion(&bfad->comp);
 867         bfa_iocfc_stop(&bfad->bfa);
 868         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 869         wait_for_completion(&bfad->comp);
 870
 871         del_timer_sync(&bfad->hal_tmo);
 872         bfa_isr_disable(&bfad->bfa);
 873         bfa_detach(&bfad->bfa);
 874         bfad_remove_intr(bfad);
 875         bfad_hal_mem_release(bfad);
 876
 877         bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 878 }
 879
 880 void
 881 bfad_drv_start(struct bfad_s *bfad)
 882 {
 883         unsigned long   flags;
 884
 885         spin_lock_irqsave(&bfad->bfad_lock, flags);
 886         bfa_iocfc_start(&bfad->bfa);
 887         bfa_fcs_pbc_vport_init(&bfad->bfa_fcs);
 888         bfa_fcs_fabric_modstart(&bfad->bfa_fcs);
 889         bfad->bfad_flags |= BFAD_HAL_START_DONE;
 890         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 891
 892         if (bfad->im)
 893                 flush_workqueue(bfad->im->drv_workq);
 894 }
 895
 896 void
 897 bfad_fcs_stop(struct bfad_s *bfad)
 898 {
 899         unsigned long   flags;
 900
 901         spin_lock_irqsave(&bfad->bfad_lock, flags);
 902         init_completion(&bfad->comp);
 903         bfad->pport.flags |= BFAD_PORT_DELETE;
 904         bfa_fcs_exit(&bfad->bfa_fcs);
 905         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 906         wait_for_completion(&bfad->comp);
 907
 908         bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP);
 909 }
 910
 911 void
 912 bfad_stop(struct bfad_s *bfad)
 913 {
 914         unsigned long   flags;
 915
 916         spin_lock_irqsave(&bfad->bfad_lock, flags);
 917         init_completion(&bfad->comp);
 918         bfa_iocfc_stop(&bfad->bfa);
 919         bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
 920         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 921         wait_for_completion(&bfad->comp);
 922
 923         bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP);
 924 }
 925
 926 bfa_status_t
 927 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role)
 928 {
 929         int             rc = BFA_STATUS_OK;
 930
 931         /* Allocate scsi_host for the physical port */
 932         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 933             (role & BFA_LPORT_ROLE_FCP_IM)) {
 934                 if (bfad->pport.im_port == NULL) {
 935                         rc = BFA_STATUS_FAILED;
 936                         goto out;
 937                 }
 938
 939                 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
 940                                                 &bfad->pcidev->dev);
 941                 if (rc != BFA_STATUS_OK)
 942                         goto out;
 943
 944                 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM;
 945         }
 946
 947         bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
 948
 949 out:
 950         return rc;
 951 }
 952
 953 void
 954 bfad_uncfg_pport(struct bfad_s *bfad)
 955 {
 956         if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) &&
 957             (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) {
 958                 bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
 959                 bfad_im_port_clean(bfad->pport.im_port);
 960                 kfree(bfad->pport.im_port);
 961                 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM;
 962         }
 963
 964         bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
 965 }
 966
 967 bfa_status_t
 968 bfad_start_ops(struct bfad_s *bfad) {
 969
 970         int     retval;
 971         unsigned long   flags;
 972         struct bfad_vport_s *vport, *vport_new;
 973         struct bfa_fcs_driver_info_s driver_info;
 974
 975         /* Limit min/max. xfer size to [64k-32MB] */
 976         if (max_xfer_size < BFAD_MIN_SECTORS >> 1)
 977                 max_xfer_size = BFAD_MIN_SECTORS >> 1;
 978         if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
 979                 max_xfer_size = BFAD_MAX_SECTORS >> 1;
 980
 981         /* Fill the driver_info info to fcs*/
 982         memset(&driver_info, 0, sizeof(driver_info));
 983         strlcpy(driver_info.version, BFAD_DRIVER_VERSION,
 984                 sizeof(driver_info.version));
 985         if (host_name)
 986                 strlcpy(driver_info.host_machine_name, host_name,
 987                         sizeof(driver_info.host_machine_name));
 988         if (os_name)
 989                 strlcpy(driver_info.host_os_name, os_name,
 990                         sizeof(driver_info.host_os_name));
 991         if (os_patch)
 992                 strlcpy(driver_info.host_os_patch, os_patch,
 993                         sizeof(driver_info.host_os_patch));
 994
 995         strlcpy(driver_info.os_device_name, bfad->pci_name,
 996                 sizeof(driver_info.os_device_name));
 997
 998         /* FCS driver info init */
 999         spin_lock_irqsave(&bfad->bfad_lock, flags);
1000         bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
1001
1002         if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
1003                 bfa_fcs_update_cfg(&bfad->bfa_fcs);
1004         else
1005                 bfa_fcs_init(&bfad->bfa_fcs);
1006
1007         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1008
1009         if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) {
1010                 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM);
1011                 if (retval != BFA_STATUS_OK)
1012                         return BFA_STATUS_FAILED;
1013         }
1014
1015         /* Setup fc host fixed attribute if the lk supports */
1016         bfad_fc_host_init(bfad->pport.im_port);
1017
1018         /* BFAD level FC4 IM specific resource allocation */
1019         retval = bfad_im_probe(bfad);
1020         if (retval != BFA_STATUS_OK) {
1021                 printk(KERN_WARNING "bfad_im_probe failed\n");
1022                 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing))
1023                         bfa_sm_set_state(bfad, bfad_sm_failed);
1024                 return BFA_STATUS_FAILED;
1025         } else
1026                 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
1027
1028         bfad_drv_start(bfad);
1029
1030         /* Complete pbc vport create */
1031         list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list,
1032                                 list_entry) {
1033                 struct fc_vport_identifiers vid;
1034                 struct fc_vport *fc_vport;
1035                 char pwwn_buf[BFA_STRING_32];
1036
1037                 memset(&vid, 0, sizeof(vid));
1038                 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
1039                 vid.vport_type = FC_PORTTYPE_NPIV;
1040                 vid.disable = false;
1041                 vid.node_name = wwn_to_u64((u8 *)
1042                                 (&((vport->fcs_vport).lport.port_cfg.nwwn)));
1043                 vid.port_name = wwn_to_u64((u8 *)
1044                                 (&((vport->fcs_vport).lport.port_cfg.pwwn)));
1045                 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
1046                 if (!fc_vport) {
1047                         wwn2str(pwwn_buf, vid.port_name);
1048                         printk(KERN_WARNING "bfad%d: failed to create pbc vport"
1049                                 " %s\n", bfad->inst_no, pwwn_buf);
1050                 }
1051                 list_del(&vport->list_entry);
1052                 kfree(vport);
1053         }
1054
1055         /*
1056          * If bfa_linkup_delay is set to -1 default; try to retrive the
1057          * value using the bfad_get_linkup_delay(); else use the
1058          * passed in module param value as the bfa_linkup_delay.
1059          */
1060         if (bfa_linkup_delay < 0) {
1061                 bfa_linkup_delay = bfad_get_linkup_delay(bfad);
1062                 bfad_rport_online_wait(bfad);
1063                 bfa_linkup_delay = -1;
1064         } else
1065                 bfad_rport_online_wait(bfad);
1066
1067         BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n");
1068
1069         return BFA_STATUS_OK;
1070 }
1071
1072 int
1073 bfad_worker(void *ptr)
1074 {
1075         struct bfad_s *bfad = ptr;
1076         unsigned long flags;
1077
1078         if (kthread_should_stop())
1079                 return 0;
1080
1081         /* Send event BFAD_E_INIT_SUCCESS */
1082         bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
1083
1084         spin_lock_irqsave(&bfad->bfad_lock, flags);
1085         bfad->bfad_tsk = NULL;
1086         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1087
1088         return 0;
1089 }
1090
1091 /*
1092  *  BFA driver interrupt functions
1093  */
1094 irqreturn_t
1095 bfad_intx(int irq, void *dev_id)
1096 {
1097         struct bfad_s   *bfad = dev_id;
1098         struct list_head        doneq;
1099         unsigned long   flags;
1100         bfa_boolean_t rc;
1101
1102         spin_lock_irqsave(&bfad->bfad_lock, flags);
1103         rc = bfa_intx(&bfad->bfa);
1104         if (!rc) {
1105                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1106                 return IRQ_NONE;
1107         }
1108
1109         bfa_comp_deq(&bfad->bfa, &doneq);
1110         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1111
1112         if (!list_empty(&doneq)) {
1113                 bfa_comp_process(&bfad->bfa, &doneq);
1114
1115                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1116                 bfa_comp_free(&bfad->bfa, &doneq);
1117                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1118         }
1119
1120         return IRQ_HANDLED;
1121
1122 }
1123
1124 static irqreturn_t
1125 bfad_msix(int irq, void *dev_id)
1126 {
1127         struct bfad_msix_s *vec = dev_id;
1128         struct bfad_s *bfad = vec->bfad;
1129         struct list_head doneq;
1130         unsigned long   flags;
1131
1132         spin_lock_irqsave(&bfad->bfad_lock, flags);
1133
1134         bfa_msix(&bfad->bfa, vec->msix.entry);
1135         bfa_comp_deq(&bfad->bfa, &doneq);
1136         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1137
1138         if (!list_empty(&doneq)) {
1139                 bfa_comp_process(&bfad->bfa, &doneq);
1140
1141                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1142                 bfa_comp_free(&bfad->bfa, &doneq);
1143                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1144         }
1145
1146         return IRQ_HANDLED;
1147 }
1148
1149 /*
1150  * Initialize the MSIX entry table.
1151  */
1152 static void
1153 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries,
1154                          int mask, int max_bit)
1155 {
1156         int     i;
1157         int     match = 0x00000001;
1158
1159         for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) {
1160                 if (mask & match) {
1161                         bfad->msix_tab[bfad->nvec].msix.entry = i;
1162                         bfad->msix_tab[bfad->nvec].bfad = bfad;
1163                         msix_entries[bfad->nvec].entry = i;
1164                         bfad->nvec++;
1165                 }
1166
1167                 match <<= 1;
1168         }
1169
1170 }
1171
1172 int
1173 bfad_install_msix_handler(struct bfad_s *bfad)
1174 {
1175         int i, error = 0;
1176
1177         for (i = 0; i < bfad->nvec; i++) {
1178                 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s",
1179                                 bfad->pci_name,
1180                                 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ?
1181                                 msix_name_cb[i] : msix_name_ct[i]));
1182
1183                 error = request_irq(bfad->msix_tab[i].msix.vector,
1184                                     (irq_handler_t) bfad_msix, 0,
1185                                     bfad->msix_tab[i].name, &bfad->msix_tab[i]);
1186                 bfa_trc(bfad, i);
1187                 bfa_trc(bfad, bfad->msix_tab[i].msix.vector);
1188                 if (error) {
1189                         int     j;
1190
1191                         for (j = 0; j < i; j++)
1192                                 free_irq(bfad->msix_tab[j].msix.vector,
1193                                                 &bfad->msix_tab[j]);
1194
1195                         bfad->bfad_flags &= ~BFAD_MSIX_ON;
1196                         pci_disable_msix(bfad->pcidev);
1197
1198                         return 1;
1199                 }
1200         }
1201
1202         return 0;
1203 }
1204
1205 /*
1206  * Setup MSIX based interrupt.
1207  */
1208 int
1209 bfad_setup_intr(struct bfad_s *bfad)
1210 {
1211         int error;
1212         u32 mask = 0, i, num_bit = 0, max_bit = 0;
1213         struct msix_entry msix_entries[MAX_MSIX_ENTRY];
1214         struct pci_dev *pdev = bfad->pcidev;
1215         u16     reg;
1216
1217         /* Call BFA to get the msix map for this PCI function.  */
1218         bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
1219
1220         /* Set up the msix entry table */
1221         bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
1222
1223         if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) ||
1224            (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) {
1225
1226                 error = pci_enable_msix_exact(bfad->pcidev,
1227                                               msix_entries, bfad->nvec);
1228                 /* In CT1 & CT2, try to allocate just one vector */
1229                 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) {
1230                         printk(KERN_WARNING "bfa %s: trying one msix "
1231                                "vector failed to allocate %d[%d]\n",
1232                                bfad->pci_name, bfad->nvec, error);
1233                         bfad->nvec = 1;
1234                         error = pci_enable_msix_exact(bfad->pcidev,
1235                                                       msix_entries, 1);
1236                 }
1237
1238                 if (error) {
1239                         printk(KERN_WARNING "bfad%d: "
1240                                "pci_enable_msix_exact failed (%d), "
1241                                "use line based.\n",
1242                                 bfad->inst_no, error);
1243                         goto line_based;
1244                 }
1245
1246                 /* Disable INTX in MSI-X mode */
1247                 pci_read_config_word(pdev, PCI_COMMAND, &reg);
1248
1249                 if (!(reg & PCI_COMMAND_INTX_DISABLE))
1250                         pci_write_config_word(pdev, PCI_COMMAND,
1251                                 reg | PCI_COMMAND_INTX_DISABLE);
1252
1253                 /* Save the vectors */
1254                 for (i = 0; i < bfad->nvec; i++) {
1255                         bfa_trc(bfad, msix_entries[i].vector);
1256                         bfad->msix_tab[i].msix.vector = msix_entries[i].vector;
1257                 }
1258
1259                 bfa_msix_init(&bfad->bfa, bfad->nvec);
1260
1261                 bfad->bfad_flags |= BFAD_MSIX_ON;
1262
1263                 return 0;
1264         }
1265
1266 line_based:
1267         error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx,
1268                             BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad);
1269         if (error)
1270                 return error;
1271
1272         bfad->bfad_flags |= BFAD_INTX_ON;
1273
1274         return 0;
1275 }
1276
1277 void
1278 bfad_remove_intr(struct bfad_s *bfad)
1279 {
1280         int     i;
1281
1282         if (bfad->bfad_flags & BFAD_MSIX_ON) {
1283                 for (i = 0; i < bfad->nvec; i++)
1284                         free_irq(bfad->msix_tab[i].msix.vector,
1285                                         &bfad->msix_tab[i]);
1286
1287                 pci_disable_msix(bfad->pcidev);
1288                 bfad->bfad_flags &= ~BFAD_MSIX_ON;
1289         } else if (bfad->bfad_flags & BFAD_INTX_ON) {
1290                 free_irq(bfad->pcidev->irq, bfad);
1291         }
1292 }
1293
1294 /*
1295  * PCI probe entry.
1296  */
1297 int
1298 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
1299 {
1300         struct bfad_s   *bfad;
1301         int             error = -ENODEV, retval, i;
1302
1303         /* For single port cards - only claim function 0 */
1304         if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) &&
1305                 (PCI_FUNC(pdev->devfn) != 0))
1306                 return -ENODEV;
1307
1308         bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
1309         if (!bfad) {
1310                 error = -ENOMEM;
1311                 goto out;
1312         }
1313
1314         bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
1315         if (!bfad->trcmod) {
1316                 printk(KERN_WARNING "Error alloc trace buffer!\n");
1317                 error = -ENOMEM;
1318                 goto out_alloc_trace_failure;
1319         }
1320
1321         /* TRACE INIT */
1322         bfa_trc_init(bfad->trcmod);
1323         bfa_trc(bfad, bfad_inst);
1324
1325         /* AEN INIT */
1326         INIT_LIST_HEAD(&bfad->free_aen_q);
1327         INIT_LIST_HEAD(&bfad->active_aen_q);
1328         for (i = 0; i < BFA_AEN_MAX_ENTRY; i++)
1329                 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q);
1330
1331         if (!(bfad_load_fwimg(pdev))) {
1332                 kfree(bfad->trcmod);
1333                 goto out_alloc_trace_failure;
1334         }
1335
1336         retval = bfad_pci_init(pdev, bfad);
1337         if (retval) {
1338                 printk(KERN_WARNING "bfad_pci_init failure!\n");
1339                 error = retval;
1340                 goto out_pci_init_failure;
1341         }
1342
1343         mutex_lock(&bfad_mutex);
1344         bfad->inst_no = bfad_inst++;
1345         list_add_tail(&bfad->list_entry, &bfad_list);
1346         mutex_unlock(&bfad_mutex);
1347
1348         /* Initializing the state machine: State set to uninit */
1349         bfa_sm_set_state(bfad, bfad_sm_uninit);
1350
1351         spin_lock_init(&bfad->bfad_lock);
1352         spin_lock_init(&bfad->bfad_aen_spinlock);
1353
1354         pci_set_drvdata(pdev, bfad);
1355
1356         bfad->ref_count = 0;
1357         bfad->pport.bfad = bfad;
1358         INIT_LIST_HEAD(&bfad->pbc_vport_list);
1359         INIT_LIST_HEAD(&bfad->vport_list);
1360
1361         /* Setup the debugfs node for this bfad */
1362         if (bfa_debugfs_enable)
1363                 bfad_debugfs_init(&bfad->pport);
1364
1365         retval = bfad_drv_init(bfad);
1366         if (retval != BFA_STATUS_OK)
1367                 goto out_drv_init_failure;
1368
1369         bfa_sm_send_event(bfad, BFAD_E_CREATE);
1370
1371         if (bfa_sm_cmp_state(bfad, bfad_sm_uninit))
1372                 goto out_bfad_sm_failure;
1373
1374         return 0;
1375
1376 out_bfad_sm_failure:
1377         bfad_hal_mem_release(bfad);
1378 out_drv_init_failure:
1379         /* Remove the debugfs node for this bfad */
1380         kfree(bfad->regdata);
1381         bfad_debugfs_exit(&bfad->pport);
1382         mutex_lock(&bfad_mutex);
1383         bfad_inst--;
1384         list_del(&bfad->list_entry);
1385         mutex_unlock(&bfad_mutex);
1386         bfad_pci_uninit(pdev, bfad);
1387 out_pci_init_failure:
1388         kfree(bfad->trcmod);
1389 out_alloc_trace_failure:
1390         kfree(bfad);
1391 out:
1392         return error;
1393 }
1394
1395 /*
1396  * PCI remove entry.
1397  */
1398 void
1399 bfad_pci_remove(struct pci_dev *pdev)
1400 {
1401         struct bfad_s         *bfad = pci_get_drvdata(pdev);
1402         unsigned long   flags;
1403
1404         bfa_trc(bfad, bfad->inst_no);
1405
1406         spin_lock_irqsave(&bfad->bfad_lock, flags);
1407         if (bfad->bfad_tsk != NULL) {
1408                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1409                 kthread_stop(bfad->bfad_tsk);
1410         } else {
1411                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1412         }
1413
1414         /* Send Event BFAD_E_STOP */
1415         bfa_sm_send_event(bfad, BFAD_E_STOP);
1416
1417         /* Driver detach and dealloc mem */
1418         spin_lock_irqsave(&bfad->bfad_lock, flags);
1419         bfa_detach(&bfad->bfa);
1420         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1421         bfad_hal_mem_release(bfad);
1422
1423         /* Remove the debugfs node for this bfad */
1424         kfree(bfad->regdata);
1425         bfad_debugfs_exit(&bfad->pport);
1426
1427         /* Cleaning the BFAD instance */
1428         mutex_lock(&bfad_mutex);
1429         bfad_inst--;
1430         list_del(&bfad->list_entry);
1431         mutex_unlock(&bfad_mutex);
1432         bfad_pci_uninit(pdev, bfad);
1433
1434         kfree(bfad->trcmod);
1435         kfree(bfad);
1436 }
1437
1438 /*
1439  * PCI Error Recovery entry, error detected.
1440  */
1441 static pci_ers_result_t
1442 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
1443 {
1444         struct bfad_s *bfad = pci_get_drvdata(pdev);
1445         unsigned long   flags;
1446         pci_ers_result_t ret = PCI_ERS_RESULT_NONE;
1447
1448         dev_printk(KERN_ERR, &pdev->dev,
1449                    "error detected state: %d - flags: 0x%x\n",
1450                    state, bfad->bfad_flags);
1451
1452         switch (state) {
1453         case pci_channel_io_normal: /* non-fatal error */
1454                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1455                 bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1456                 /* Suspend/fail all bfa operations */
1457                 bfa_ioc_suspend(&bfad->bfa.ioc);
1458                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1459                 del_timer_sync(&bfad->hal_tmo);
1460                 ret = PCI_ERS_RESULT_CAN_RECOVER;
1461                 break;
1462         case pci_channel_io_frozen: /* fatal error */
1463                 init_completion(&bfad->comp);
1464                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1465                 bfad->bfad_flags |= BFAD_EEH_BUSY;
1466                 /* Suspend/fail all bfa operations */
1467                 bfa_ioc_suspend(&bfad->bfa.ioc);
1468                 bfa_fcs_stop(&bfad->bfa_fcs);
1469                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1470                 wait_for_completion(&bfad->comp);
1471
1472                 bfad_remove_intr(bfad);
1473                 del_timer_sync(&bfad->hal_tmo);
1474                 pci_disable_device(pdev);
1475                 ret = PCI_ERS_RESULT_NEED_RESET;
1476                 break;
1477         case pci_channel_io_perm_failure: /* PCI Card is DEAD */
1478                 spin_lock_irqsave(&bfad->bfad_lock, flags);
1479                 bfad->bfad_flags |= BFAD_EEH_BUSY |
1480                                     BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE;
1481                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1482
1483                 /* If the error_detected handler is called with the reason
1484                  * pci_channel_io_perm_failure - it will subsequently call
1485                  * pci_remove() entry point to remove the pci device from the
1486                  * system - So defer the cleanup to pci_remove(); cleaning up
1487                  * here causes inconsistent state during pci_remove().
1488                  */
1489                 ret = PCI_ERS_RESULT_DISCONNECT;
1490                 break;
1491         default:
1492                 WARN_ON(1);
1493         }
1494
1495         return ret;
1496 }
1497
1498 int
1499 restart_bfa(struct bfad_s *bfad)
1500 {
1501         unsigned long flags;
1502         struct pci_dev *pdev = bfad->pcidev;
1503
1504         bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg,
1505                    &bfad->meminfo, &bfad->hal_pcidev);
1506
1507         /* Enable Interrupt and wait bfa_init completion */
1508         if (bfad_setup_intr(bfad)) {
1509                 dev_printk(KERN_WARNING, &pdev->dev,
1510                            "%s: bfad_setup_intr failed\n", bfad->pci_name);
1511                 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED);
1512                 return -1;
1513         }
1514
1515         init_completion(&bfad->comp);
1516         spin_lock_irqsave(&bfad->bfad_lock, flags);
1517         bfa_iocfc_init(&bfad->bfa);
1518         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1519
1520         /* Set up interrupt handler for each vectors */
1521         if ((bfad->bfad_flags & BFAD_MSIX_ON) &&
1522             bfad_install_msix_handler(bfad))
1523                 dev_printk(KERN_WARNING, &pdev->dev,
1524                            "%s: install_msix failed.\n", bfad->pci_name);
1525
1526         bfad_init_timer(bfad);
1527         wait_for_completion(&bfad->comp);
1528         bfad_drv_start(bfad);
1529
1530         return 0;
1531 }
1532
1533 /*
1534  * PCI Error Recovery entry, re-initialize the chip.
1535  */
1536 static pci_ers_result_t
1537 bfad_pci_slot_reset(struct pci_dev *pdev)
1538 {
1539         struct bfad_s *bfad = pci_get_drvdata(pdev);
1540         u8 byte;
1541
1542         dev_printk(KERN_ERR, &pdev->dev,
1543                    "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags);
1544
1545         if (pci_enable_device(pdev)) {
1546                 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable "
1547                            "PCI device after reset.\n");
1548                 return PCI_ERS_RESULT_DISCONNECT;
1549         }
1550
1551         pci_restore_state(pdev);
1552
1553         /*
1554          * Read some byte (e.g. DMA max. payload size which can't
1555          * be 0xff any time) to make sure - we did not hit another PCI error
1556          * in the middle of recovery. If we did, then declare permanent failure.
1557          */
1558         pci_read_config_byte(pdev, 0x68, &byte);
1559         if (byte == 0xff) {
1560                 dev_printk(KERN_ERR, &pdev->dev,
1561                            "slot_reset failed ... got another PCI error !\n");
1562                 goto out_disable_device;
1563         }
1564
1565         pci_save_state(pdev);
1566         pci_set_master(pdev);
1567
1568         if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0)
1569                 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0)
1570                         goto out_disable_device;
1571
1572         pci_cleanup_aer_uncorrect_error_status(pdev);
1573
1574         if (restart_bfa(bfad) == -1)
1575                 goto out_disable_device;
1576
1577         pci_enable_pcie_error_reporting(pdev);
1578         dev_printk(KERN_WARNING, &pdev->dev,
1579                    "slot_reset completed  flags: 0x%x!\n", bfad->bfad_flags);
1580
1581         return PCI_ERS_RESULT_RECOVERED;
1582
1583 out_disable_device:
1584         pci_disable_device(pdev);
1585         return PCI_ERS_RESULT_DISCONNECT;
1586 }
1587
1588 static pci_ers_result_t
1589 bfad_pci_mmio_enabled(struct pci_dev *pdev)
1590 {
1591         unsigned long   flags;
1592         struct bfad_s *bfad = pci_get_drvdata(pdev);
1593
1594         dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n");
1595
1596         /* Fetch FW diagnostic information */
1597         bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc);
1598
1599         /* Cancel all pending IOs */
1600         spin_lock_irqsave(&bfad->bfad_lock, flags);
1601         init_completion(&bfad->comp);
1602         bfa_fcs_stop(&bfad->bfa_fcs);
1603         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1604         wait_for_completion(&bfad->comp);
1605
1606         bfad_remove_intr(bfad);
1607         del_timer_sync(&bfad->hal_tmo);
1608         pci_disable_device(pdev);
1609
1610         return PCI_ERS_RESULT_NEED_RESET;
1611 }
1612
1613 static void
1614 bfad_pci_resume(struct pci_dev *pdev)
1615 {
1616         unsigned long   flags;
1617         struct bfad_s *bfad = pci_get_drvdata(pdev);
1618
1619         dev_printk(KERN_WARNING, &pdev->dev, "resume\n");
1620
1621         /* wait until the link is online */
1622         bfad_rport_online_wait(bfad);
1623
1624         spin_lock_irqsave(&bfad->bfad_lock, flags);
1625         bfad->bfad_flags &= ~BFAD_EEH_BUSY;
1626         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
1627 }
1628
1629 struct pci_device_id bfad_id_table[] = {
1630         {
1631                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1632                 .device = BFA_PCI_DEVICE_ID_FC_8G2P,
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_FC_8G1P,
1639                 .subvendor = PCI_ANY_ID,
1640                 .subdevice = PCI_ANY_ID,
1641         },
1642         {
1643                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1644                 .device = BFA_PCI_DEVICE_ID_CT,
1645                 .subvendor = PCI_ANY_ID,
1646                 .subdevice = PCI_ANY_ID,
1647                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1648                 .class_mask = ~0,
1649         },
1650         {
1651                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1652                 .device = BFA_PCI_DEVICE_ID_CT_FC,
1653                 .subvendor = PCI_ANY_ID,
1654                 .subdevice = PCI_ANY_ID,
1655                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1656                 .class_mask = ~0,
1657         },
1658         {
1659                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1660                 .device = BFA_PCI_DEVICE_ID_CT2,
1661                 .subvendor = PCI_ANY_ID,
1662                 .subdevice = PCI_ANY_ID,
1663                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1664                 .class_mask = ~0,
1665         },
1666
1667         {
1668                 .vendor = BFA_PCI_VENDOR_ID_BROCADE,
1669                 .device = BFA_PCI_DEVICE_ID_CT2_QUAD,
1670                 .subvendor = PCI_ANY_ID,
1671                 .subdevice = PCI_ANY_ID,
1672                 .class = (PCI_CLASS_SERIAL_FIBER << 8),
1673                 .class_mask = ~0,
1674         },
1675         {0, 0},
1676 };
1677
1678 MODULE_DEVICE_TABLE(pci, bfad_id_table);
1679
1680 /*
1681  * PCI error recovery handlers.
1682  */
1683 static struct pci_error_handlers bfad_err_handler = {
1684         .error_detected = bfad_pci_error_detected,
1685         .slot_reset = bfad_pci_slot_reset,
1686         .mmio_enabled = bfad_pci_mmio_enabled,
1687         .resume = bfad_pci_resume,
1688 };
1689
1690 static struct pci_driver bfad_pci_driver = {
1691         .name = BFAD_DRIVER_NAME,
1692         .id_table = bfad_id_table,
1693         .probe = bfad_pci_probe,
1694         .remove = bfad_pci_remove,
1695         .err_handler = &bfad_err_handler,
1696 };
1697
1698 /*
1699  * Driver module init.
1700  */
1701 static int __init
1702 bfad_init(void)
1703 {
1704         int             error = 0;
1705
1706         pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n",
1707                         BFAD_DRIVER_VERSION);
1708
1709         if (num_sgpgs > 0)
1710                 num_sgpgs_parm = num_sgpgs;
1711
1712         error = bfad_im_module_init();
1713         if (error) {
1714                 error = -ENOMEM;
1715                 printk(KERN_WARNING "bfad_im_module_init failure\n");
1716                 goto ext;
1717         }
1718
1719         if (strcmp(FCPI_NAME, " fcpim") == 0)
1720                 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM;
1721
1722         bfa_auto_recover = ioc_auto_recover;
1723         bfa_fcs_rport_set_del_timeout(rport_del_timeout);
1724         bfa_fcs_rport_set_max_logins(max_rport_logins);
1725
1726         error = pci_register_driver(&bfad_pci_driver);
1727         if (error) {
1728                 printk(KERN_WARNING "pci_register_driver failure\n");
1729                 goto ext;
1730         }
1731
1732         return 0;
1733
1734 ext:
1735         bfad_im_module_exit();
1736         return error;
1737 }
1738
1739 /*
1740  * Driver module exit.
1741  */
1742 static void __exit
1743 bfad_exit(void)
1744 {
1745         pci_unregister_driver(&bfad_pci_driver);
1746         bfad_im_module_exit();
1747         bfad_free_fwimg();
1748 }
1749
1750 /* Firmware handling */
1751 static void
1752 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
1753                 u32 *bfi_image_size, char *fw_name)
1754 {
1755         const struct firmware *fw;
1756
1757         if (request_firmware(&fw, fw_name, &pdev->dev)) {
1758                 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name);
1759                 *bfi_image = NULL;
1760                 goto out;
1761         }
1762
1763         *bfi_image = vmalloc(fw->size);
1764         if (NULL == *bfi_image) {
1765                 printk(KERN_ALERT "Fail to allocate buffer for fw image "
1766                         "size=%x!\n", (u32) fw->size);
1767                 goto out;
1768         }
1769
1770         memcpy(*bfi_image, fw->data, fw->size);
1771         *bfi_image_size = fw->size/sizeof(u32);
1772 out:
1773         release_firmware(fw);
1774 }
1775
1776 static u32 *
1777 bfad_load_fwimg(struct pci_dev *pdev)
1778 {
1779         if (bfa_asic_id_ct2(pdev->device)) {
1780                 if (bfi_image_ct2_size == 0)
1781                         bfad_read_firmware(pdev, &bfi_image_ct2,
1782                                 &bfi_image_ct2_size, BFAD_FW_FILE_CT2);
1783                 return bfi_image_ct2;
1784         } else if (bfa_asic_id_ct(pdev->device)) {
1785                 if (bfi_image_ct_size == 0)
1786                         bfad_read_firmware(pdev, &bfi_image_ct,
1787                                 &bfi_image_ct_size, BFAD_FW_FILE_CT);
1788                 return bfi_image_ct;
1789         } else if (bfa_asic_id_cb(pdev->device)) {
1790                 if (bfi_image_cb_size == 0)
1791                         bfad_read_firmware(pdev, &bfi_image_cb,
1792                                 &bfi_image_cb_size, BFAD_FW_FILE_CB);
1793                 return bfi_image_cb;
1794         }
1795
1796         return NULL;
1797 }
1798
1799 static void
1800 bfad_free_fwimg(void)
1801 {
1802         if (bfi_image_ct2_size && bfi_image_ct2)
1803                 vfree(bfi_image_ct2);
1804         if (bfi_image_ct_size && bfi_image_ct)
1805                 vfree(bfi_image_ct);
1806         if (bfi_image_cb_size && bfi_image_cb)
1807                 vfree(bfi_image_cb);
1808 }
1809
1810 module_init(bfad_init);
1811 module_exit(bfad_exit);
1812 MODULE_LICENSE("GPL");
1813 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME);
1814 MODULE_AUTHOR("QLogic Corporation");
1815 MODULE_VERSION(BFAD_DRIVER_VERSION);