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, ®); 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); 1816