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 <asm/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-3.2.3.0.bin" 68 #define BFAD_FW_FILE_CT "ctfw-3.2.3.0.bin" 69 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.3.0.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 = vmalloc(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 memset(kva_elem->kva, 0, kva_elem->mem_len); 620 } 621 622 /* Iterate through the DMA meminfo queue */ 623 list_for_each(dm_qe, &dma_info->qe) { 624 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 625 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, 626 dma_elem->mem_len, 627 &phys_addr, GFP_KERNEL); 628 if (dma_elem->kva == NULL) { 629 bfad_hal_mem_release(bfad); 630 rc = BFA_STATUS_ENOMEM; 631 goto ext; 632 } 633 dma_elem->dma = phys_addr; 634 memset(dma_elem->kva, 0, dma_elem->mem_len); 635 } 636 ext: 637 return rc; 638 } 639 640 /* 641 * Create a vport under a vf. 642 */ 643 bfa_status_t 644 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 645 struct bfa_lport_cfg_s *port_cfg, struct device *dev) 646 { 647 struct bfad_vport_s *vport; 648 int rc = BFA_STATUS_OK; 649 unsigned long flags; 650 struct completion fcomp; 651 652 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 653 if (!vport) { 654 rc = BFA_STATUS_ENOMEM; 655 goto ext; 656 } 657 658 vport->drv_port.bfad = bfad; 659 spin_lock_irqsave(&bfad->bfad_lock, flags); 660 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, 661 port_cfg, vport); 662 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 663 664 if (rc != BFA_STATUS_OK) 665 goto ext_free_vport; 666 667 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { 668 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 669 dev); 670 if (rc != BFA_STATUS_OK) 671 goto ext_free_fcs_vport; 672 } 673 674 spin_lock_irqsave(&bfad->bfad_lock, flags); 675 bfa_fcs_vport_start(&vport->fcs_vport); 676 list_add_tail(&vport->list_entry, &bfad->vport_list); 677 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 678 679 return BFA_STATUS_OK; 680 681 ext_free_fcs_vport: 682 spin_lock_irqsave(&bfad->bfad_lock, flags); 683 vport->comp_del = &fcomp; 684 init_completion(vport->comp_del); 685 bfa_fcs_vport_delete(&vport->fcs_vport); 686 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 687 wait_for_completion(vport->comp_del); 688 ext_free_vport: 689 kfree(vport); 690 ext: 691 return rc; 692 } 693 694 void 695 bfad_bfa_tmo(unsigned long data) 696 { 697 struct bfad_s *bfad = (struct bfad_s *) data; 698 unsigned long flags; 699 struct list_head doneq; 700 701 spin_lock_irqsave(&bfad->bfad_lock, flags); 702 703 bfa_timer_beat(&bfad->bfa.timer_mod); 704 705 bfa_comp_deq(&bfad->bfa, &doneq); 706 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 707 708 if (!list_empty(&doneq)) { 709 bfa_comp_process(&bfad->bfa, &doneq); 710 spin_lock_irqsave(&bfad->bfad_lock, flags); 711 bfa_comp_free(&bfad->bfa, &doneq); 712 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 713 } 714 715 mod_timer(&bfad->hal_tmo, 716 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 717 } 718 719 void 720 bfad_init_timer(struct bfad_s *bfad) 721 { 722 init_timer(&bfad->hal_tmo); 723 bfad->hal_tmo.function = bfad_bfa_tmo; 724 bfad->hal_tmo.data = (unsigned long)bfad; 725 726 mod_timer(&bfad->hal_tmo, 727 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 728 } 729 730 int 731 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 732 { 733 int rc = -ENODEV; 734 735 if (pci_enable_device(pdev)) { 736 printk(KERN_ERR "pci_enable_device fail %p\n", pdev); 737 goto out; 738 } 739 740 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 741 goto out_disable_device; 742 743 pci_set_master(pdev); 744 745 746 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) || 747 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) { 748 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || 749 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { 750 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); 751 goto out_release_region; 752 } 753 } 754 755 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */ 756 pci_enable_pcie_error_reporting(pdev); 757 758 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 759 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); 760 761 if (bfad->pci_bar0_kva == NULL) { 762 printk(KERN_ERR "Fail to map bar0\n"); 763 goto out_release_region; 764 } 765 766 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 767 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 768 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 769 bfad->hal_pcidev.device_id = pdev->device; 770 bfad->hal_pcidev.ssid = pdev->subsystem_device; 771 bfad->pci_name = pci_name(pdev); 772 773 bfad->pci_attr.vendor_id = pdev->vendor; 774 bfad->pci_attr.device_id = pdev->device; 775 bfad->pci_attr.ssid = pdev->subsystem_device; 776 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 777 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 778 779 bfad->pcidev = pdev; 780 781 /* Adjust PCIe Maximum Read Request Size */ 782 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) { 783 if (pcie_max_read_reqsz >= 128 && 784 pcie_max_read_reqsz <= 4096 && 785 is_power_of_2(pcie_max_read_reqsz)) { 786 int max_rq = pcie_get_readrq(pdev); 787 printk(KERN_WARNING "BFA[%s]: " 788 "pcie_max_read_request_size is %d, " 789 "reset to %d\n", bfad->pci_name, max_rq, 790 pcie_max_read_reqsz); 791 pcie_set_readrq(pdev, pcie_max_read_reqsz); 792 } else { 793 printk(KERN_WARNING "BFA[%s]: invalid " 794 "pcie_max_read_request_size %d ignored\n", 795 bfad->pci_name, pcie_max_read_reqsz); 796 } 797 } 798 799 pci_save_state(pdev); 800 801 return 0; 802 803 out_release_region: 804 pci_release_regions(pdev); 805 out_disable_device: 806 pci_disable_device(pdev); 807 out: 808 return rc; 809 } 810 811 void 812 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 813 { 814 pci_iounmap(pdev, bfad->pci_bar0_kva); 815 pci_iounmap(pdev, bfad->pci_bar2_kva); 816 pci_release_regions(pdev); 817 /* Disable PCIE Advanced Error Recovery (AER) */ 818 pci_disable_pcie_error_reporting(pdev); 819 pci_disable_device(pdev); 820 } 821 822 bfa_status_t 823 bfad_drv_init(struct bfad_s *bfad) 824 { 825 bfa_status_t rc; 826 unsigned long flags; 827 828 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 829 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 830 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 831 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 832 833 rc = bfad_hal_mem_alloc(bfad); 834 if (rc != BFA_STATUS_OK) { 835 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 836 bfad->inst_no); 837 printk(KERN_WARNING 838 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n"); 839 return BFA_STATUS_FAILED; 840 } 841 842 bfad->bfa.trcmod = bfad->trcmod; 843 bfad->bfa.plog = &bfad->plog_buf; 844 bfa_plog_init(&bfad->plog_buf); 845 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 846 0, "Driver Attach"); 847 848 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 849 &bfad->hal_pcidev); 850 851 /* FCS INIT */ 852 spin_lock_irqsave(&bfad->bfad_lock, flags); 853 bfad->bfa_fcs.trcmod = bfad->trcmod; 854 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 855 bfad->bfa_fcs.fdmi_enabled = fdmi_enable; 856 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 857 858 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 859 860 return BFA_STATUS_OK; 861 } 862 863 void 864 bfad_drv_uninit(struct bfad_s *bfad) 865 { 866 unsigned long flags; 867 868 spin_lock_irqsave(&bfad->bfad_lock, flags); 869 init_completion(&bfad->comp); 870 bfa_iocfc_stop(&bfad->bfa); 871 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 872 wait_for_completion(&bfad->comp); 873 874 del_timer_sync(&bfad->hal_tmo); 875 bfa_isr_disable(&bfad->bfa); 876 bfa_detach(&bfad->bfa); 877 bfad_remove_intr(bfad); 878 bfad_hal_mem_release(bfad); 879 880 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; 881 } 882 883 void 884 bfad_drv_start(struct bfad_s *bfad) 885 { 886 unsigned long flags; 887 888 spin_lock_irqsave(&bfad->bfad_lock, flags); 889 bfa_iocfc_start(&bfad->bfa); 890 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); 891 bfa_fcs_fabric_modstart(&bfad->bfa_fcs); 892 bfad->bfad_flags |= BFAD_HAL_START_DONE; 893 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 894 895 if (bfad->im) 896 flush_workqueue(bfad->im->drv_workq); 897 } 898 899 void 900 bfad_fcs_stop(struct bfad_s *bfad) 901 { 902 unsigned long flags; 903 904 spin_lock_irqsave(&bfad->bfad_lock, flags); 905 init_completion(&bfad->comp); 906 bfad->pport.flags |= BFAD_PORT_DELETE; 907 bfa_fcs_exit(&bfad->bfa_fcs); 908 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 909 wait_for_completion(&bfad->comp); 910 911 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 912 } 913 914 void 915 bfad_stop(struct bfad_s *bfad) 916 { 917 unsigned long flags; 918 919 spin_lock_irqsave(&bfad->bfad_lock, flags); 920 init_completion(&bfad->comp); 921 bfa_iocfc_stop(&bfad->bfa); 922 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 923 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 924 wait_for_completion(&bfad->comp); 925 926 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); 927 } 928 929 bfa_status_t 930 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) 931 { 932 int rc = BFA_STATUS_OK; 933 934 /* Allocate scsi_host for the physical port */ 935 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 936 (role & BFA_LPORT_ROLE_FCP_IM)) { 937 if (bfad->pport.im_port == NULL) { 938 rc = BFA_STATUS_FAILED; 939 goto out; 940 } 941 942 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 943 &bfad->pcidev->dev); 944 if (rc != BFA_STATUS_OK) 945 goto out; 946 947 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; 948 } 949 950 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 951 952 out: 953 return rc; 954 } 955 956 void 957 bfad_uncfg_pport(struct bfad_s *bfad) 958 { 959 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 960 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { 961 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 962 bfad_im_port_clean(bfad->pport.im_port); 963 kfree(bfad->pport.im_port); 964 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; 965 } 966 967 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 968 } 969 970 bfa_status_t 971 bfad_start_ops(struct bfad_s *bfad) { 972 973 int retval; 974 unsigned long flags; 975 struct bfad_vport_s *vport, *vport_new; 976 struct bfa_fcs_driver_info_s driver_info; 977 978 /* Limit min/max. xfer size to [64k-32MB] */ 979 if (max_xfer_size < BFAD_MIN_SECTORS >> 1) 980 max_xfer_size = BFAD_MIN_SECTORS >> 1; 981 if (max_xfer_size > BFAD_MAX_SECTORS >> 1) 982 max_xfer_size = BFAD_MAX_SECTORS >> 1; 983 984 /* Fill the driver_info info to fcs*/ 985 memset(&driver_info, 0, sizeof(driver_info)); 986 strncpy(driver_info.version, BFAD_DRIVER_VERSION, 987 sizeof(driver_info.version) - 1); 988 if (host_name) 989 strncpy(driver_info.host_machine_name, host_name, 990 sizeof(driver_info.host_machine_name) - 1); 991 if (os_name) 992 strncpy(driver_info.host_os_name, os_name, 993 sizeof(driver_info.host_os_name) - 1); 994 if (os_patch) 995 strncpy(driver_info.host_os_patch, os_patch, 996 sizeof(driver_info.host_os_patch) - 1); 997 998 strncpy(driver_info.os_device_name, bfad->pci_name, 999 sizeof(driver_info.os_device_name) - 1); 1000 1001 /* FCS driver info init */ 1002 spin_lock_irqsave(&bfad->bfad_lock, flags); 1003 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 1004 1005 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 1006 bfa_fcs_update_cfg(&bfad->bfa_fcs); 1007 else 1008 bfa_fcs_init(&bfad->bfa_fcs); 1009 1010 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1011 1012 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) { 1013 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 1014 if (retval != BFA_STATUS_OK) 1015 return BFA_STATUS_FAILED; 1016 } 1017 1018 /* Setup fc host fixed attribute if the lk supports */ 1019 bfad_fc_host_init(bfad->pport.im_port); 1020 1021 /* BFAD level FC4 IM specific resource allocation */ 1022 retval = bfad_im_probe(bfad); 1023 if (retval != BFA_STATUS_OK) { 1024 printk(KERN_WARNING "bfad_im_probe failed\n"); 1025 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) 1026 bfa_sm_set_state(bfad, bfad_sm_failed); 1027 return BFA_STATUS_FAILED; 1028 } else 1029 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 1030 1031 bfad_drv_start(bfad); 1032 1033 /* Complete pbc vport create */ 1034 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, 1035 list_entry) { 1036 struct fc_vport_identifiers vid; 1037 struct fc_vport *fc_vport; 1038 char pwwn_buf[BFA_STRING_32]; 1039 1040 memset(&vid, 0, sizeof(vid)); 1041 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1042 vid.vport_type = FC_PORTTYPE_NPIV; 1043 vid.disable = false; 1044 vid.node_name = wwn_to_u64((u8 *) 1045 (&((vport->fcs_vport).lport.port_cfg.nwwn))); 1046 vid.port_name = wwn_to_u64((u8 *) 1047 (&((vport->fcs_vport).lport.port_cfg.pwwn))); 1048 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 1049 if (!fc_vport) { 1050 wwn2str(pwwn_buf, vid.port_name); 1051 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 1052 " %s\n", bfad->inst_no, pwwn_buf); 1053 } 1054 list_del(&vport->list_entry); 1055 kfree(vport); 1056 } 1057 1058 /* 1059 * If bfa_linkup_delay is set to -1 default; try to retrive the 1060 * value using the bfad_get_linkup_delay(); else use the 1061 * passed in module param value as the bfa_linkup_delay. 1062 */ 1063 if (bfa_linkup_delay < 0) { 1064 bfa_linkup_delay = bfad_get_linkup_delay(bfad); 1065 bfad_rport_online_wait(bfad); 1066 bfa_linkup_delay = -1; 1067 } else 1068 bfad_rport_online_wait(bfad); 1069 1070 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); 1071 1072 return BFA_STATUS_OK; 1073 } 1074 1075 int 1076 bfad_worker(void *ptr) 1077 { 1078 struct bfad_s *bfad = ptr; 1079 unsigned long flags; 1080 1081 if (kthread_should_stop()) 1082 return 0; 1083 1084 /* Send event BFAD_E_INIT_SUCCESS */ 1085 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 1086 1087 spin_lock_irqsave(&bfad->bfad_lock, flags); 1088 bfad->bfad_tsk = NULL; 1089 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1090 1091 return 0; 1092 } 1093 1094 /* 1095 * BFA driver interrupt functions 1096 */ 1097 irqreturn_t 1098 bfad_intx(int irq, void *dev_id) 1099 { 1100 struct bfad_s *bfad = dev_id; 1101 struct list_head doneq; 1102 unsigned long flags; 1103 bfa_boolean_t rc; 1104 1105 spin_lock_irqsave(&bfad->bfad_lock, flags); 1106 rc = bfa_intx(&bfad->bfa); 1107 if (!rc) { 1108 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1109 return IRQ_NONE; 1110 } 1111 1112 bfa_comp_deq(&bfad->bfa, &doneq); 1113 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1114 1115 if (!list_empty(&doneq)) { 1116 bfa_comp_process(&bfad->bfa, &doneq); 1117 1118 spin_lock_irqsave(&bfad->bfad_lock, flags); 1119 bfa_comp_free(&bfad->bfa, &doneq); 1120 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1121 } 1122 1123 return IRQ_HANDLED; 1124 1125 } 1126 1127 static irqreturn_t 1128 bfad_msix(int irq, void *dev_id) 1129 { 1130 struct bfad_msix_s *vec = dev_id; 1131 struct bfad_s *bfad = vec->bfad; 1132 struct list_head doneq; 1133 unsigned long flags; 1134 1135 spin_lock_irqsave(&bfad->bfad_lock, flags); 1136 1137 bfa_msix(&bfad->bfa, vec->msix.entry); 1138 bfa_comp_deq(&bfad->bfa, &doneq); 1139 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1140 1141 if (!list_empty(&doneq)) { 1142 bfa_comp_process(&bfad->bfa, &doneq); 1143 1144 spin_lock_irqsave(&bfad->bfad_lock, flags); 1145 bfa_comp_free(&bfad->bfa, &doneq); 1146 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1147 } 1148 1149 return IRQ_HANDLED; 1150 } 1151 1152 /* 1153 * Initialize the MSIX entry table. 1154 */ 1155 static void 1156 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, 1157 int mask, int max_bit) 1158 { 1159 int i; 1160 int match = 0x00000001; 1161 1162 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { 1163 if (mask & match) { 1164 bfad->msix_tab[bfad->nvec].msix.entry = i; 1165 bfad->msix_tab[bfad->nvec].bfad = bfad; 1166 msix_entries[bfad->nvec].entry = i; 1167 bfad->nvec++; 1168 } 1169 1170 match <<= 1; 1171 } 1172 1173 } 1174 1175 int 1176 bfad_install_msix_handler(struct bfad_s *bfad) 1177 { 1178 int i, error = 0; 1179 1180 for (i = 0; i < bfad->nvec; i++) { 1181 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", 1182 bfad->pci_name, 1183 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? 1184 msix_name_cb[i] : msix_name_ct[i])); 1185 1186 error = request_irq(bfad->msix_tab[i].msix.vector, 1187 (irq_handler_t) bfad_msix, 0, 1188 bfad->msix_tab[i].name, &bfad->msix_tab[i]); 1189 bfa_trc(bfad, i); 1190 bfa_trc(bfad, bfad->msix_tab[i].msix.vector); 1191 if (error) { 1192 int j; 1193 1194 for (j = 0; j < i; j++) 1195 free_irq(bfad->msix_tab[j].msix.vector, 1196 &bfad->msix_tab[j]); 1197 1198 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1199 pci_disable_msix(bfad->pcidev); 1200 1201 return 1; 1202 } 1203 } 1204 1205 return 0; 1206 } 1207 1208 /* 1209 * Setup MSIX based interrupt. 1210 */ 1211 int 1212 bfad_setup_intr(struct bfad_s *bfad) 1213 { 1214 int error; 1215 u32 mask = 0, i, num_bit = 0, max_bit = 0; 1216 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 1217 struct pci_dev *pdev = bfad->pcidev; 1218 u16 reg; 1219 1220 /* Call BFA to get the msix map for this PCI function. */ 1221 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 1222 1223 /* Set up the msix entry table */ 1224 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 1225 1226 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || 1227 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { 1228 1229 error = pci_enable_msix_exact(bfad->pcidev, 1230 msix_entries, bfad->nvec); 1231 /* In CT1 & CT2, try to allocate just one vector */ 1232 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) { 1233 printk(KERN_WARNING "bfa %s: trying one msix " 1234 "vector failed to allocate %d[%d]\n", 1235 bfad->pci_name, bfad->nvec, error); 1236 bfad->nvec = 1; 1237 error = pci_enable_msix_exact(bfad->pcidev, 1238 msix_entries, 1); 1239 } 1240 1241 if (error) { 1242 printk(KERN_WARNING "bfad%d: " 1243 "pci_enable_msix_exact failed (%d), " 1244 "use line based.\n", 1245 bfad->inst_no, error); 1246 goto line_based; 1247 } 1248 1249 /* Disable INTX in MSI-X mode */ 1250 pci_read_config_word(pdev, PCI_COMMAND, ®); 1251 1252 if (!(reg & PCI_COMMAND_INTX_DISABLE)) 1253 pci_write_config_word(pdev, PCI_COMMAND, 1254 reg | PCI_COMMAND_INTX_DISABLE); 1255 1256 /* Save the vectors */ 1257 for (i = 0; i < bfad->nvec; i++) { 1258 bfa_trc(bfad, msix_entries[i].vector); 1259 bfad->msix_tab[i].msix.vector = msix_entries[i].vector; 1260 } 1261 1262 bfa_msix_init(&bfad->bfa, bfad->nvec); 1263 1264 bfad->bfad_flags |= BFAD_MSIX_ON; 1265 1266 return 0; 1267 } 1268 1269 line_based: 1270 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx, 1271 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad); 1272 if (error) 1273 return error; 1274 1275 bfad->bfad_flags |= BFAD_INTX_ON; 1276 1277 return 0; 1278 } 1279 1280 void 1281 bfad_remove_intr(struct bfad_s *bfad) 1282 { 1283 int i; 1284 1285 if (bfad->bfad_flags & BFAD_MSIX_ON) { 1286 for (i = 0; i < bfad->nvec; i++) 1287 free_irq(bfad->msix_tab[i].msix.vector, 1288 &bfad->msix_tab[i]); 1289 1290 pci_disable_msix(bfad->pcidev); 1291 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1292 } else if (bfad->bfad_flags & BFAD_INTX_ON) { 1293 free_irq(bfad->pcidev->irq, bfad); 1294 } 1295 } 1296 1297 /* 1298 * PCI probe entry. 1299 */ 1300 int 1301 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1302 { 1303 struct bfad_s *bfad; 1304 int error = -ENODEV, retval, i; 1305 1306 /* For single port cards - only claim function 0 */ 1307 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && 1308 (PCI_FUNC(pdev->devfn) != 0)) 1309 return -ENODEV; 1310 1311 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1312 if (!bfad) { 1313 error = -ENOMEM; 1314 goto out; 1315 } 1316 1317 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1318 if (!bfad->trcmod) { 1319 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1320 error = -ENOMEM; 1321 goto out_alloc_trace_failure; 1322 } 1323 1324 /* TRACE INIT */ 1325 bfa_trc_init(bfad->trcmod); 1326 bfa_trc(bfad, bfad_inst); 1327 1328 /* AEN INIT */ 1329 INIT_LIST_HEAD(&bfad->free_aen_q); 1330 INIT_LIST_HEAD(&bfad->active_aen_q); 1331 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) 1332 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); 1333 1334 if (!(bfad_load_fwimg(pdev))) { 1335 kfree(bfad->trcmod); 1336 goto out_alloc_trace_failure; 1337 } 1338 1339 retval = bfad_pci_init(pdev, bfad); 1340 if (retval) { 1341 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1342 error = retval; 1343 goto out_pci_init_failure; 1344 } 1345 1346 mutex_lock(&bfad_mutex); 1347 bfad->inst_no = bfad_inst++; 1348 list_add_tail(&bfad->list_entry, &bfad_list); 1349 mutex_unlock(&bfad_mutex); 1350 1351 /* Initializing the state machine: State set to uninit */ 1352 bfa_sm_set_state(bfad, bfad_sm_uninit); 1353 1354 spin_lock_init(&bfad->bfad_lock); 1355 spin_lock_init(&bfad->bfad_aen_spinlock); 1356 1357 pci_set_drvdata(pdev, bfad); 1358 1359 bfad->ref_count = 0; 1360 bfad->pport.bfad = bfad; 1361 INIT_LIST_HEAD(&bfad->pbc_vport_list); 1362 INIT_LIST_HEAD(&bfad->vport_list); 1363 1364 /* Setup the debugfs node for this bfad */ 1365 if (bfa_debugfs_enable) 1366 bfad_debugfs_init(&bfad->pport); 1367 1368 retval = bfad_drv_init(bfad); 1369 if (retval != BFA_STATUS_OK) 1370 goto out_drv_init_failure; 1371 1372 bfa_sm_send_event(bfad, BFAD_E_CREATE); 1373 1374 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) 1375 goto out_bfad_sm_failure; 1376 1377 return 0; 1378 1379 out_bfad_sm_failure: 1380 bfad_hal_mem_release(bfad); 1381 out_drv_init_failure: 1382 /* Remove the debugfs node for this bfad */ 1383 kfree(bfad->regdata); 1384 bfad_debugfs_exit(&bfad->pport); 1385 mutex_lock(&bfad_mutex); 1386 bfad_inst--; 1387 list_del(&bfad->list_entry); 1388 mutex_unlock(&bfad_mutex); 1389 bfad_pci_uninit(pdev, bfad); 1390 out_pci_init_failure: 1391 kfree(bfad->trcmod); 1392 out_alloc_trace_failure: 1393 kfree(bfad); 1394 out: 1395 return error; 1396 } 1397 1398 /* 1399 * PCI remove entry. 1400 */ 1401 void 1402 bfad_pci_remove(struct pci_dev *pdev) 1403 { 1404 struct bfad_s *bfad = pci_get_drvdata(pdev); 1405 unsigned long flags; 1406 1407 bfa_trc(bfad, bfad->inst_no); 1408 1409 spin_lock_irqsave(&bfad->bfad_lock, flags); 1410 if (bfad->bfad_tsk != NULL) { 1411 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1412 kthread_stop(bfad->bfad_tsk); 1413 } else { 1414 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1415 } 1416 1417 /* Send Event BFAD_E_STOP */ 1418 bfa_sm_send_event(bfad, BFAD_E_STOP); 1419 1420 /* Driver detach and dealloc mem */ 1421 spin_lock_irqsave(&bfad->bfad_lock, flags); 1422 bfa_detach(&bfad->bfa); 1423 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1424 bfad_hal_mem_release(bfad); 1425 1426 /* Remove the debugfs node for this bfad */ 1427 kfree(bfad->regdata); 1428 bfad_debugfs_exit(&bfad->pport); 1429 1430 /* Cleaning the BFAD instance */ 1431 mutex_lock(&bfad_mutex); 1432 bfad_inst--; 1433 list_del(&bfad->list_entry); 1434 mutex_unlock(&bfad_mutex); 1435 bfad_pci_uninit(pdev, bfad); 1436 1437 kfree(bfad->trcmod); 1438 kfree(bfad); 1439 } 1440 1441 /* 1442 * PCI Error Recovery entry, error detected. 1443 */ 1444 static pci_ers_result_t 1445 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 1446 { 1447 struct bfad_s *bfad = pci_get_drvdata(pdev); 1448 unsigned long flags; 1449 pci_ers_result_t ret = PCI_ERS_RESULT_NONE; 1450 1451 dev_printk(KERN_ERR, &pdev->dev, 1452 "error detected state: %d - flags: 0x%x\n", 1453 state, bfad->bfad_flags); 1454 1455 switch (state) { 1456 case pci_channel_io_normal: /* non-fatal error */ 1457 spin_lock_irqsave(&bfad->bfad_lock, flags); 1458 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1459 /* Suspend/fail all bfa operations */ 1460 bfa_ioc_suspend(&bfad->bfa.ioc); 1461 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1462 del_timer_sync(&bfad->hal_tmo); 1463 ret = PCI_ERS_RESULT_CAN_RECOVER; 1464 break; 1465 case pci_channel_io_frozen: /* fatal error */ 1466 init_completion(&bfad->comp); 1467 spin_lock_irqsave(&bfad->bfad_lock, flags); 1468 bfad->bfad_flags |= BFAD_EEH_BUSY; 1469 /* Suspend/fail all bfa operations */ 1470 bfa_ioc_suspend(&bfad->bfa.ioc); 1471 bfa_fcs_stop(&bfad->bfa_fcs); 1472 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1473 wait_for_completion(&bfad->comp); 1474 1475 bfad_remove_intr(bfad); 1476 del_timer_sync(&bfad->hal_tmo); 1477 pci_disable_device(pdev); 1478 ret = PCI_ERS_RESULT_NEED_RESET; 1479 break; 1480 case pci_channel_io_perm_failure: /* PCI Card is DEAD */ 1481 spin_lock_irqsave(&bfad->bfad_lock, flags); 1482 bfad->bfad_flags |= BFAD_EEH_BUSY | 1483 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE; 1484 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1485 1486 /* If the error_detected handler is called with the reason 1487 * pci_channel_io_perm_failure - it will subsequently call 1488 * pci_remove() entry point to remove the pci device from the 1489 * system - So defer the cleanup to pci_remove(); cleaning up 1490 * here causes inconsistent state during pci_remove(). 1491 */ 1492 ret = PCI_ERS_RESULT_DISCONNECT; 1493 break; 1494 default: 1495 WARN_ON(1); 1496 } 1497 1498 return ret; 1499 } 1500 1501 int 1502 restart_bfa(struct bfad_s *bfad) 1503 { 1504 unsigned long flags; 1505 struct pci_dev *pdev = bfad->pcidev; 1506 1507 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, 1508 &bfad->meminfo, &bfad->hal_pcidev); 1509 1510 /* Enable Interrupt and wait bfa_init completion */ 1511 if (bfad_setup_intr(bfad)) { 1512 dev_printk(KERN_WARNING, &pdev->dev, 1513 "%s: bfad_setup_intr failed\n", bfad->pci_name); 1514 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 1515 return -1; 1516 } 1517 1518 init_completion(&bfad->comp); 1519 spin_lock_irqsave(&bfad->bfad_lock, flags); 1520 bfa_iocfc_init(&bfad->bfa); 1521 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1522 1523 /* Set up interrupt handler for each vectors */ 1524 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 1525 bfad_install_msix_handler(bfad)) 1526 dev_printk(KERN_WARNING, &pdev->dev, 1527 "%s: install_msix failed.\n", bfad->pci_name); 1528 1529 bfad_init_timer(bfad); 1530 wait_for_completion(&bfad->comp); 1531 bfad_drv_start(bfad); 1532 1533 return 0; 1534 } 1535 1536 /* 1537 * PCI Error Recovery entry, re-initialize the chip. 1538 */ 1539 static pci_ers_result_t 1540 bfad_pci_slot_reset(struct pci_dev *pdev) 1541 { 1542 struct bfad_s *bfad = pci_get_drvdata(pdev); 1543 u8 byte; 1544 1545 dev_printk(KERN_ERR, &pdev->dev, 1546 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags); 1547 1548 if (pci_enable_device(pdev)) { 1549 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable " 1550 "PCI device after reset.\n"); 1551 return PCI_ERS_RESULT_DISCONNECT; 1552 } 1553 1554 pci_restore_state(pdev); 1555 1556 /* 1557 * Read some byte (e.g. DMA max. payload size which can't 1558 * be 0xff any time) to make sure - we did not hit another PCI error 1559 * in the middle of recovery. If we did, then declare permanent failure. 1560 */ 1561 pci_read_config_byte(pdev, 0x68, &byte); 1562 if (byte == 0xff) { 1563 dev_printk(KERN_ERR, &pdev->dev, 1564 "slot_reset failed ... got another PCI error !\n"); 1565 goto out_disable_device; 1566 } 1567 1568 pci_save_state(pdev); 1569 pci_set_master(pdev); 1570 1571 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0) 1572 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0) 1573 goto out_disable_device; 1574 1575 pci_cleanup_aer_uncorrect_error_status(pdev); 1576 1577 if (restart_bfa(bfad) == -1) 1578 goto out_disable_device; 1579 1580 pci_enable_pcie_error_reporting(pdev); 1581 dev_printk(KERN_WARNING, &pdev->dev, 1582 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags); 1583 1584 return PCI_ERS_RESULT_RECOVERED; 1585 1586 out_disable_device: 1587 pci_disable_device(pdev); 1588 return PCI_ERS_RESULT_DISCONNECT; 1589 } 1590 1591 static pci_ers_result_t 1592 bfad_pci_mmio_enabled(struct pci_dev *pdev) 1593 { 1594 unsigned long flags; 1595 struct bfad_s *bfad = pci_get_drvdata(pdev); 1596 1597 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n"); 1598 1599 /* Fetch FW diagnostic information */ 1600 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc); 1601 1602 /* Cancel all pending IOs */ 1603 spin_lock_irqsave(&bfad->bfad_lock, flags); 1604 init_completion(&bfad->comp); 1605 bfa_fcs_stop(&bfad->bfa_fcs); 1606 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1607 wait_for_completion(&bfad->comp); 1608 1609 bfad_remove_intr(bfad); 1610 del_timer_sync(&bfad->hal_tmo); 1611 pci_disable_device(pdev); 1612 1613 return PCI_ERS_RESULT_NEED_RESET; 1614 } 1615 1616 static void 1617 bfad_pci_resume(struct pci_dev *pdev) 1618 { 1619 unsigned long flags; 1620 struct bfad_s *bfad = pci_get_drvdata(pdev); 1621 1622 dev_printk(KERN_WARNING, &pdev->dev, "resume\n"); 1623 1624 /* wait until the link is online */ 1625 bfad_rport_online_wait(bfad); 1626 1627 spin_lock_irqsave(&bfad->bfad_lock, flags); 1628 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1629 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1630 } 1631 1632 struct pci_device_id bfad_id_table[] = { 1633 { 1634 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1635 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 1636 .subvendor = PCI_ANY_ID, 1637 .subdevice = PCI_ANY_ID, 1638 }, 1639 { 1640 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1641 .device = BFA_PCI_DEVICE_ID_FC_8G1P, 1642 .subvendor = PCI_ANY_ID, 1643 .subdevice = PCI_ANY_ID, 1644 }, 1645 { 1646 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1647 .device = BFA_PCI_DEVICE_ID_CT, 1648 .subvendor = PCI_ANY_ID, 1649 .subdevice = PCI_ANY_ID, 1650 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1651 .class_mask = ~0, 1652 }, 1653 { 1654 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1655 .device = BFA_PCI_DEVICE_ID_CT_FC, 1656 .subvendor = PCI_ANY_ID, 1657 .subdevice = PCI_ANY_ID, 1658 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1659 .class_mask = ~0, 1660 }, 1661 { 1662 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1663 .device = BFA_PCI_DEVICE_ID_CT2, 1664 .subvendor = PCI_ANY_ID, 1665 .subdevice = PCI_ANY_ID, 1666 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1667 .class_mask = ~0, 1668 }, 1669 1670 { 1671 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1672 .device = BFA_PCI_DEVICE_ID_CT2_QUAD, 1673 .subvendor = PCI_ANY_ID, 1674 .subdevice = PCI_ANY_ID, 1675 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1676 .class_mask = ~0, 1677 }, 1678 {0, 0}, 1679 }; 1680 1681 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1682 1683 /* 1684 * PCI error recovery handlers. 1685 */ 1686 static struct pci_error_handlers bfad_err_handler = { 1687 .error_detected = bfad_pci_error_detected, 1688 .slot_reset = bfad_pci_slot_reset, 1689 .mmio_enabled = bfad_pci_mmio_enabled, 1690 .resume = bfad_pci_resume, 1691 }; 1692 1693 static struct pci_driver bfad_pci_driver = { 1694 .name = BFAD_DRIVER_NAME, 1695 .id_table = bfad_id_table, 1696 .probe = bfad_pci_probe, 1697 .remove = bfad_pci_remove, 1698 .err_handler = &bfad_err_handler, 1699 }; 1700 1701 /* 1702 * Driver module init. 1703 */ 1704 static int __init 1705 bfad_init(void) 1706 { 1707 int error = 0; 1708 1709 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n", 1710 BFAD_DRIVER_VERSION); 1711 1712 if (num_sgpgs > 0) 1713 num_sgpgs_parm = num_sgpgs; 1714 1715 error = bfad_im_module_init(); 1716 if (error) { 1717 error = -ENOMEM; 1718 printk(KERN_WARNING "bfad_im_module_init failure\n"); 1719 goto ext; 1720 } 1721 1722 if (strcmp(FCPI_NAME, " fcpim") == 0) 1723 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; 1724 1725 bfa_auto_recover = ioc_auto_recover; 1726 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1727 bfa_fcs_rport_set_max_logins(max_rport_logins); 1728 1729 error = pci_register_driver(&bfad_pci_driver); 1730 if (error) { 1731 printk(KERN_WARNING "pci_register_driver failure\n"); 1732 goto ext; 1733 } 1734 1735 return 0; 1736 1737 ext: 1738 bfad_im_module_exit(); 1739 return error; 1740 } 1741 1742 /* 1743 * Driver module exit. 1744 */ 1745 static void __exit 1746 bfad_exit(void) 1747 { 1748 pci_unregister_driver(&bfad_pci_driver); 1749 bfad_im_module_exit(); 1750 bfad_free_fwimg(); 1751 } 1752 1753 /* Firmware handling */ 1754 static void 1755 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 1756 u32 *bfi_image_size, char *fw_name) 1757 { 1758 const struct firmware *fw; 1759 1760 if (request_firmware(&fw, fw_name, &pdev->dev)) { 1761 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); 1762 *bfi_image = NULL; 1763 goto out; 1764 } 1765 1766 *bfi_image = vmalloc(fw->size); 1767 if (NULL == *bfi_image) { 1768 printk(KERN_ALERT "Fail to allocate buffer for fw image " 1769 "size=%x!\n", (u32) fw->size); 1770 goto out; 1771 } 1772 1773 memcpy(*bfi_image, fw->data, fw->size); 1774 *bfi_image_size = fw->size/sizeof(u32); 1775 out: 1776 release_firmware(fw); 1777 } 1778 1779 static u32 * 1780 bfad_load_fwimg(struct pci_dev *pdev) 1781 { 1782 if (bfa_asic_id_ct2(pdev->device)) { 1783 if (bfi_image_ct2_size == 0) 1784 bfad_read_firmware(pdev, &bfi_image_ct2, 1785 &bfi_image_ct2_size, BFAD_FW_FILE_CT2); 1786 return bfi_image_ct2; 1787 } else if (bfa_asic_id_ct(pdev->device)) { 1788 if (bfi_image_ct_size == 0) 1789 bfad_read_firmware(pdev, &bfi_image_ct, 1790 &bfi_image_ct_size, BFAD_FW_FILE_CT); 1791 return bfi_image_ct; 1792 } else if (bfa_asic_id_cb(pdev->device)) { 1793 if (bfi_image_cb_size == 0) 1794 bfad_read_firmware(pdev, &bfi_image_cb, 1795 &bfi_image_cb_size, BFAD_FW_FILE_CB); 1796 return bfi_image_cb; 1797 } 1798 1799 return NULL; 1800 } 1801 1802 static void 1803 bfad_free_fwimg(void) 1804 { 1805 if (bfi_image_ct2_size && bfi_image_ct2) 1806 vfree(bfi_image_ct2); 1807 if (bfi_image_ct_size && bfi_image_ct) 1808 vfree(bfi_image_ct); 1809 if (bfi_image_cb_size && bfi_image_cb) 1810 vfree(bfi_image_cb); 1811 } 1812 1813 module_init(bfad_init); 1814 module_exit(bfad_exit); 1815 MODULE_LICENSE("GPL"); 1816 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1817 MODULE_AUTHOR("QLogic Corporation"); 1818 MODULE_VERSION(BFAD_DRIVER_VERSION); 1819