1 /* 2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. 3 * All rights reserved 4 * www.brocade.com 5 * 6 * Linux driver for Brocade Fibre Channel Host Bus Adapter. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License (GPL) Version 2 as 10 * published by the Free Software Foundation 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 */ 17 18 /* 19 * bfad.c Linux driver PCI interface module. 20 */ 21 #include <linux/module.h> 22 #include <linux/kthread.h> 23 #include <linux/errno.h> 24 #include <linux/sched.h> 25 #include <linux/init.h> 26 #include <linux/fs.h> 27 #include <linux/pci.h> 28 #include <linux/firmware.h> 29 #include <asm/uaccess.h> 30 #include <asm/fcntl.h> 31 32 #include "bfad_drv.h" 33 #include "bfad_im.h" 34 #include "bfa_fcs.h" 35 #include "bfa_defs.h" 36 #include "bfa.h" 37 38 BFA_TRC_FILE(LDRV, BFAD); 39 DEFINE_MUTEX(bfad_mutex); 40 LIST_HEAD(bfad_list); 41 42 static int bfad_inst; 43 static int num_sgpgs_parm; 44 int supported_fc4s; 45 char *host_name, *os_name, *os_patch; 46 int num_rports, num_ios, num_tms; 47 int num_fcxps, num_ufbufs; 48 int reqq_size, rspq_size, num_sgpgs; 49 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; 50 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; 51 int bfa_io_max_sge = BFAD_IO_MAX_SGE; 52 int bfa_log_level = 3; /* WARNING log level */ 53 int ioc_auto_recover = BFA_TRUE; 54 int bfa_linkup_delay = -1; 55 int fdmi_enable = BFA_TRUE; 56 int pcie_max_read_reqsz; 57 int bfa_debugfs_enable = 1; 58 int msix_disable_cb = 0, msix_disable_ct = 0; 59 int max_xfer_size = BFAD_MAX_SECTORS >> 1; 60 int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS; 61 62 /* Firmware releated */ 63 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size; 64 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2; 65 66 #define BFAD_FW_FILE_CB "cbfw-3.2.1.1.bin" 67 #define BFAD_FW_FILE_CT "ctfw-3.2.1.1.bin" 68 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.1.1.bin" 69 70 static u32 *bfad_load_fwimg(struct pci_dev *pdev); 71 static void bfad_free_fwimg(void); 72 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 73 u32 *bfi_image_size, char *fw_name); 74 75 static const char *msix_name_ct[] = { 76 "ctrl", 77 "cpe0", "cpe1", "cpe2", "cpe3", 78 "rme0", "rme1", "rme2", "rme3" }; 79 80 static const char *msix_name_cb[] = { 81 "cpe0", "cpe1", "cpe2", "cpe3", 82 "rme0", "rme1", "rme2", "rme3", 83 "eemc", "elpu0", "elpu1", "epss", "mlpu" }; 84 85 MODULE_FIRMWARE(BFAD_FW_FILE_CB); 86 MODULE_FIRMWARE(BFAD_FW_FILE_CT); 87 MODULE_FIRMWARE(BFAD_FW_FILE_CT2); 88 89 module_param(os_name, charp, S_IRUGO | S_IWUSR); 90 MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); 91 module_param(os_patch, charp, S_IRUGO | S_IWUSR); 92 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); 93 module_param(host_name, charp, S_IRUGO | S_IWUSR); 94 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); 95 module_param(num_rports, int, S_IRUGO | S_IWUSR); 96 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " 97 "(physical/logical), default=1024"); 98 module_param(num_ios, int, S_IRUGO | S_IWUSR); 99 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); 100 module_param(num_tms, int, S_IRUGO | S_IWUSR); 101 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); 102 module_param(num_fcxps, int, S_IRUGO | S_IWUSR); 103 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); 104 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); 105 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " 106 "buffers, default=64"); 107 module_param(reqq_size, int, S_IRUGO | S_IWUSR); 108 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " 109 "default=256"); 110 module_param(rspq_size, int, S_IRUGO | S_IWUSR); 111 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " 112 "default=64"); 113 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); 114 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); 115 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); 116 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " 117 "Range[>0]"); 118 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); 119 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); 120 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); 121 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); 122 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR); 123 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, " 124 "Range[Critical:1|Error:2|Warning:3|Info:4]"); 125 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); 126 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " 127 "Range[off:0|on:1]"); 128 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); 129 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " 130 "boot port. Otherwise 10 secs in RHEL4 & 0 for " 131 "[RHEL5, SLES10, ESX40] Range[>0]"); 132 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); 133 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " 134 "for Brocade-415/425/815/825 cards, default=0, " 135 " Range[false:0|true:1]"); 136 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); 137 MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " 138 "if possible for Brocade-1010/1020/804/1007/902/1741 " 139 "cards, default=0, Range[false:0|true:1]"); 140 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); 141 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " 142 "Range[false:0|true:1]"); 143 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); 144 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " 145 "(use system setting), Range[128|256|512|1024|2048|4096]"); 146 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); 147 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," 148 " Range[false:0|true:1]"); 149 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR); 150 MODULE_PARM_DESC(max_xfer_size, "default=32MB," 151 " Range[64k|128k|256k|512k|1024k|2048k]"); 152 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR); 153 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024"); 154 155 static void 156 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); 157 static void 158 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); 159 static void 160 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); 161 static void 162 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); 163 static void 164 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); 165 static void 166 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); 167 static void 168 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); 169 170 /* 171 * Beginning state for the driver instance, awaiting the pci_probe event 172 */ 173 static void 174 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) 175 { 176 bfa_trc(bfad, event); 177 178 switch (event) { 179 case BFAD_E_CREATE: 180 bfa_sm_set_state(bfad, bfad_sm_created); 181 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, 182 "%s", "bfad_worker"); 183 if (IS_ERR(bfad->bfad_tsk)) { 184 printk(KERN_INFO "bfad[%d]: Kernel thread " 185 "creation failed!\n", bfad->inst_no); 186 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); 187 } 188 bfa_sm_send_event(bfad, BFAD_E_INIT); 189 break; 190 191 case BFAD_E_STOP: 192 /* Ignore stop; already in uninit */ 193 break; 194 195 default: 196 bfa_sm_fault(bfad, event); 197 } 198 } 199 200 /* 201 * Driver Instance is created, awaiting event INIT to initialize the bfad 202 */ 203 static void 204 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) 205 { 206 unsigned long flags; 207 208 bfa_trc(bfad, event); 209 210 switch (event) { 211 case BFAD_E_INIT: 212 bfa_sm_set_state(bfad, bfad_sm_initializing); 213 214 init_completion(&bfad->comp); 215 216 /* Enable Interrupt and wait bfa_init completion */ 217 if (bfad_setup_intr(bfad)) { 218 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", 219 bfad->inst_no); 220 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); 221 break; 222 } 223 224 spin_lock_irqsave(&bfad->bfad_lock, flags); 225 bfa_iocfc_init(&bfad->bfa); 226 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 227 228 /* Set up interrupt handler for each vectors */ 229 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 230 bfad_install_msix_handler(bfad)) { 231 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", 232 __func__, bfad->inst_no); 233 } 234 235 bfad_init_timer(bfad); 236 237 wait_for_completion(&bfad->comp); 238 239 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 240 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 241 } else { 242 printk(KERN_WARNING 243 "bfa %s: bfa init failed\n", 244 bfad->pci_name); 245 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; 246 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 247 } 248 249 break; 250 251 case BFAD_E_KTHREAD_CREATE_FAILED: 252 bfa_sm_set_state(bfad, bfad_sm_uninit); 253 break; 254 255 default: 256 bfa_sm_fault(bfad, event); 257 } 258 } 259 260 static void 261 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) 262 { 263 int retval; 264 unsigned long flags; 265 266 bfa_trc(bfad, event); 267 268 switch (event) { 269 case BFAD_E_INIT_SUCCESS: 270 kthread_stop(bfad->bfad_tsk); 271 spin_lock_irqsave(&bfad->bfad_lock, flags); 272 bfad->bfad_tsk = NULL; 273 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 274 275 retval = bfad_start_ops(bfad); 276 if (retval != BFA_STATUS_OK) 277 break; 278 bfa_sm_set_state(bfad, bfad_sm_operational); 279 break; 280 281 case BFAD_E_INTR_INIT_FAILED: 282 bfa_sm_set_state(bfad, bfad_sm_uninit); 283 kthread_stop(bfad->bfad_tsk); 284 spin_lock_irqsave(&bfad->bfad_lock, flags); 285 bfad->bfad_tsk = NULL; 286 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 287 break; 288 289 case BFAD_E_INIT_FAILED: 290 bfa_sm_set_state(bfad, bfad_sm_failed); 291 break; 292 default: 293 bfa_sm_fault(bfad, event); 294 } 295 } 296 297 static void 298 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) 299 { 300 int retval; 301 302 bfa_trc(bfad, event); 303 304 switch (event) { 305 case BFAD_E_INIT_SUCCESS: 306 retval = bfad_start_ops(bfad); 307 if (retval != BFA_STATUS_OK) 308 break; 309 bfa_sm_set_state(bfad, bfad_sm_operational); 310 break; 311 312 case BFAD_E_STOP: 313 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 314 bfad_uncfg_pport(bfad); 315 if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { 316 bfad_im_probe_undo(bfad); 317 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 318 } 319 bfad_stop(bfad); 320 break; 321 322 case BFAD_E_EXIT_COMP: 323 bfa_sm_set_state(bfad, bfad_sm_uninit); 324 bfad_remove_intr(bfad); 325 del_timer_sync(&bfad->hal_tmo); 326 break; 327 328 default: 329 bfa_sm_fault(bfad, event); 330 } 331 } 332 333 static void 334 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) 335 { 336 bfa_trc(bfad, event); 337 338 switch (event) { 339 case BFAD_E_STOP: 340 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 341 bfad_fcs_stop(bfad); 342 break; 343 344 default: 345 bfa_sm_fault(bfad, event); 346 } 347 } 348 349 static void 350 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) 351 { 352 bfa_trc(bfad, event); 353 354 switch (event) { 355 case BFAD_E_FCS_EXIT_COMP: 356 bfa_sm_set_state(bfad, bfad_sm_stopping); 357 bfad_stop(bfad); 358 break; 359 360 default: 361 bfa_sm_fault(bfad, event); 362 } 363 } 364 365 static void 366 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) 367 { 368 bfa_trc(bfad, event); 369 370 switch (event) { 371 case BFAD_E_EXIT_COMP: 372 bfa_sm_set_state(bfad, bfad_sm_uninit); 373 bfad_remove_intr(bfad); 374 del_timer_sync(&bfad->hal_tmo); 375 bfad_im_probe_undo(bfad); 376 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 377 bfad_uncfg_pport(bfad); 378 break; 379 380 default: 381 bfa_sm_fault(bfad, event); 382 break; 383 } 384 } 385 386 /* 387 * BFA callbacks 388 */ 389 void 390 bfad_hcb_comp(void *arg, bfa_status_t status) 391 { 392 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; 393 394 fcomp->status = status; 395 complete(&fcomp->comp); 396 } 397 398 /* 399 * bfa_init callback 400 */ 401 void 402 bfa_cb_init(void *drv, bfa_status_t init_status) 403 { 404 struct bfad_s *bfad = drv; 405 406 if (init_status == BFA_STATUS_OK) { 407 bfad->bfad_flags |= BFAD_HAL_INIT_DONE; 408 409 /* 410 * If BFAD_HAL_INIT_FAIL flag is set: 411 * Wake up the kernel thread to start 412 * the bfad operations after HAL init done 413 */ 414 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { 415 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; 416 wake_up_process(bfad->bfad_tsk); 417 } 418 } 419 420 complete(&bfad->comp); 421 } 422 423 /* 424 * BFA_FCS callbacks 425 */ 426 struct bfad_port_s * 427 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, 428 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, 429 struct bfad_vport_s *vp_drv) 430 { 431 bfa_status_t rc; 432 struct bfad_port_s *port_drv; 433 434 if (!vp_drv && !vf_drv) { 435 port_drv = &bfad->pport; 436 port_drv->pvb_type = BFAD_PORT_PHYS_BASE; 437 } else if (!vp_drv && vf_drv) { 438 port_drv = &vf_drv->base_port; 439 port_drv->pvb_type = BFAD_PORT_VF_BASE; 440 } else if (vp_drv && !vf_drv) { 441 port_drv = &vp_drv->drv_port; 442 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; 443 } else { 444 port_drv = &vp_drv->drv_port; 445 port_drv->pvb_type = BFAD_PORT_VF_VPORT; 446 } 447 448 port_drv->fcs_port = port; 449 port_drv->roles = roles; 450 451 if (roles & BFA_LPORT_ROLE_FCP_IM) { 452 rc = bfad_im_port_new(bfad, port_drv); 453 if (rc != BFA_STATUS_OK) { 454 bfad_im_port_delete(bfad, port_drv); 455 port_drv = NULL; 456 } 457 } 458 459 return port_drv; 460 } 461 462 /* 463 * FCS RPORT alloc callback, after successful PLOGI by FCS 464 */ 465 bfa_status_t 466 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, 467 struct bfad_rport_s **rport_drv) 468 { 469 bfa_status_t rc = BFA_STATUS_OK; 470 471 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); 472 if (*rport_drv == NULL) { 473 rc = BFA_STATUS_ENOMEM; 474 goto ext; 475 } 476 477 *rport = &(*rport_drv)->fcs_rport; 478 479 ext: 480 return rc; 481 } 482 483 /* 484 * FCS PBC VPORT Create 485 */ 486 void 487 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) 488 { 489 490 struct bfa_lport_cfg_s port_cfg = {0}; 491 struct bfad_vport_s *vport; 492 int rc; 493 494 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 495 if (!vport) { 496 bfa_trc(bfad, 0); 497 return; 498 } 499 500 vport->drv_port.bfad = bfad; 501 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; 502 port_cfg.pwwn = pbc_vport.vp_pwwn; 503 port_cfg.nwwn = pbc_vport.vp_nwwn; 504 port_cfg.preboot_vp = BFA_TRUE; 505 506 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, 507 &port_cfg, vport); 508 509 if (rc != BFA_STATUS_OK) { 510 bfa_trc(bfad, 0); 511 return; 512 } 513 514 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); 515 } 516 517 void 518 bfad_hal_mem_release(struct bfad_s *bfad) 519 { 520 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 521 struct bfa_mem_dma_s *dma_info, *dma_elem; 522 struct bfa_mem_kva_s *kva_info, *kva_elem; 523 struct list_head *dm_qe, *km_qe; 524 525 dma_info = &hal_meminfo->dma_info; 526 kva_info = &hal_meminfo->kva_info; 527 528 /* Iterate through the KVA meminfo queue */ 529 list_for_each(km_qe, &kva_info->qe) { 530 kva_elem = (struct bfa_mem_kva_s *) km_qe; 531 vfree(kva_elem->kva); 532 } 533 534 /* Iterate through the DMA meminfo queue */ 535 list_for_each(dm_qe, &dma_info->qe) { 536 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 537 dma_free_coherent(&bfad->pcidev->dev, 538 dma_elem->mem_len, dma_elem->kva, 539 (dma_addr_t) dma_elem->dma); 540 } 541 542 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); 543 } 544 545 void 546 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) 547 { 548 if (num_rports > 0) 549 bfa_cfg->fwcfg.num_rports = num_rports; 550 if (num_ios > 0) 551 bfa_cfg->fwcfg.num_ioim_reqs = num_ios; 552 if (num_tms > 0) 553 bfa_cfg->fwcfg.num_tskim_reqs = num_tms; 554 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX) 555 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; 556 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX) 557 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; 558 if (reqq_size > 0) 559 bfa_cfg->drvcfg.num_reqq_elems = reqq_size; 560 if (rspq_size > 0) 561 bfa_cfg->drvcfg.num_rspq_elems = rspq_size; 562 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX) 563 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; 564 565 /* 566 * populate the hal values back to the driver for sysfs use. 567 * otherwise, the default values will be shown as 0 in sysfs 568 */ 569 num_rports = bfa_cfg->fwcfg.num_rports; 570 num_ios = bfa_cfg->fwcfg.num_ioim_reqs; 571 num_tms = bfa_cfg->fwcfg.num_tskim_reqs; 572 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; 573 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; 574 reqq_size = bfa_cfg->drvcfg.num_reqq_elems; 575 rspq_size = bfa_cfg->drvcfg.num_rspq_elems; 576 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; 577 } 578 579 bfa_status_t 580 bfad_hal_mem_alloc(struct bfad_s *bfad) 581 { 582 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 583 struct bfa_mem_dma_s *dma_info, *dma_elem; 584 struct bfa_mem_kva_s *kva_info, *kva_elem; 585 struct list_head *dm_qe, *km_qe; 586 bfa_status_t rc = BFA_STATUS_OK; 587 dma_addr_t phys_addr; 588 589 bfa_cfg_get_default(&bfad->ioc_cfg); 590 bfad_update_hal_cfg(&bfad->ioc_cfg); 591 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; 592 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa); 593 594 dma_info = &hal_meminfo->dma_info; 595 kva_info = &hal_meminfo->kva_info; 596 597 /* Iterate through the KVA meminfo queue */ 598 list_for_each(km_qe, &kva_info->qe) { 599 kva_elem = (struct bfa_mem_kva_s *) km_qe; 600 kva_elem->kva = vmalloc(kva_elem->mem_len); 601 if (kva_elem->kva == NULL) { 602 bfad_hal_mem_release(bfad); 603 rc = BFA_STATUS_ENOMEM; 604 goto ext; 605 } 606 memset(kva_elem->kva, 0, kva_elem->mem_len); 607 } 608 609 /* Iterate through the DMA meminfo queue */ 610 list_for_each(dm_qe, &dma_info->qe) { 611 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 612 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, 613 dma_elem->mem_len, 614 &phys_addr, GFP_KERNEL); 615 if (dma_elem->kva == NULL) { 616 bfad_hal_mem_release(bfad); 617 rc = BFA_STATUS_ENOMEM; 618 goto ext; 619 } 620 dma_elem->dma = phys_addr; 621 memset(dma_elem->kva, 0, dma_elem->mem_len); 622 } 623 ext: 624 return rc; 625 } 626 627 /* 628 * Create a vport under a vf. 629 */ 630 bfa_status_t 631 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 632 struct bfa_lport_cfg_s *port_cfg, struct device *dev) 633 { 634 struct bfad_vport_s *vport; 635 int rc = BFA_STATUS_OK; 636 unsigned long flags; 637 struct completion fcomp; 638 639 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 640 if (!vport) { 641 rc = BFA_STATUS_ENOMEM; 642 goto ext; 643 } 644 645 vport->drv_port.bfad = bfad; 646 spin_lock_irqsave(&bfad->bfad_lock, flags); 647 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, 648 port_cfg, vport); 649 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 650 651 if (rc != BFA_STATUS_OK) 652 goto ext_free_vport; 653 654 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { 655 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 656 dev); 657 if (rc != BFA_STATUS_OK) 658 goto ext_free_fcs_vport; 659 } 660 661 spin_lock_irqsave(&bfad->bfad_lock, flags); 662 bfa_fcs_vport_start(&vport->fcs_vport); 663 list_add_tail(&vport->list_entry, &bfad->vport_list); 664 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 665 666 return BFA_STATUS_OK; 667 668 ext_free_fcs_vport: 669 spin_lock_irqsave(&bfad->bfad_lock, flags); 670 vport->comp_del = &fcomp; 671 init_completion(vport->comp_del); 672 bfa_fcs_vport_delete(&vport->fcs_vport); 673 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 674 wait_for_completion(vport->comp_del); 675 ext_free_vport: 676 kfree(vport); 677 ext: 678 return rc; 679 } 680 681 void 682 bfad_bfa_tmo(unsigned long data) 683 { 684 struct bfad_s *bfad = (struct bfad_s *) data; 685 unsigned long flags; 686 struct list_head doneq; 687 688 spin_lock_irqsave(&bfad->bfad_lock, flags); 689 690 bfa_timer_beat(&bfad->bfa.timer_mod); 691 692 bfa_comp_deq(&bfad->bfa, &doneq); 693 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 694 695 if (!list_empty(&doneq)) { 696 bfa_comp_process(&bfad->bfa, &doneq); 697 spin_lock_irqsave(&bfad->bfad_lock, flags); 698 bfa_comp_free(&bfad->bfa, &doneq); 699 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 700 } 701 702 mod_timer(&bfad->hal_tmo, 703 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 704 } 705 706 void 707 bfad_init_timer(struct bfad_s *bfad) 708 { 709 init_timer(&bfad->hal_tmo); 710 bfad->hal_tmo.function = bfad_bfa_tmo; 711 bfad->hal_tmo.data = (unsigned long)bfad; 712 713 mod_timer(&bfad->hal_tmo, 714 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 715 } 716 717 int 718 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 719 { 720 int rc = -ENODEV; 721 722 if (pci_enable_device(pdev)) { 723 printk(KERN_ERR "pci_enable_device fail %p\n", pdev); 724 goto out; 725 } 726 727 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 728 goto out_disable_device; 729 730 pci_set_master(pdev); 731 732 733 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) || 734 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)) { 735 if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || 736 (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { 737 printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); 738 goto out_release_region; 739 } 740 } 741 742 /* Enable PCIE Advanced Error Recovery (AER) if kernel supports */ 743 pci_enable_pcie_error_reporting(pdev); 744 745 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 746 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); 747 748 if (bfad->pci_bar0_kva == NULL) { 749 printk(KERN_ERR "Fail to map bar0\n"); 750 goto out_release_region; 751 } 752 753 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 754 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 755 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 756 bfad->hal_pcidev.device_id = pdev->device; 757 bfad->hal_pcidev.ssid = pdev->subsystem_device; 758 bfad->pci_name = pci_name(pdev); 759 760 bfad->pci_attr.vendor_id = pdev->vendor; 761 bfad->pci_attr.device_id = pdev->device; 762 bfad->pci_attr.ssid = pdev->subsystem_device; 763 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 764 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 765 766 bfad->pcidev = pdev; 767 768 /* Adjust PCIe Maximum Read Request Size */ 769 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) { 770 if (pcie_max_read_reqsz >= 128 && 771 pcie_max_read_reqsz <= 4096 && 772 is_power_of_2(pcie_max_read_reqsz)) { 773 int max_rq = pcie_get_readrq(pdev); 774 printk(KERN_WARNING "BFA[%s]: " 775 "pcie_max_read_request_size is %d, " 776 "reset to %d\n", bfad->pci_name, max_rq, 777 pcie_max_read_reqsz); 778 pcie_set_readrq(pdev, pcie_max_read_reqsz); 779 } else { 780 printk(KERN_WARNING "BFA[%s]: invalid " 781 "pcie_max_read_request_size %d ignored\n", 782 bfad->pci_name, pcie_max_read_reqsz); 783 } 784 } 785 786 pci_save_state(pdev); 787 788 return 0; 789 790 out_release_region: 791 pci_release_regions(pdev); 792 out_disable_device: 793 pci_disable_device(pdev); 794 out: 795 return rc; 796 } 797 798 void 799 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 800 { 801 pci_iounmap(pdev, bfad->pci_bar0_kva); 802 pci_iounmap(pdev, bfad->pci_bar2_kva); 803 pci_release_regions(pdev); 804 /* Disable PCIE Advanced Error Recovery (AER) */ 805 pci_disable_pcie_error_reporting(pdev); 806 pci_disable_device(pdev); 807 } 808 809 bfa_status_t 810 bfad_drv_init(struct bfad_s *bfad) 811 { 812 bfa_status_t rc; 813 unsigned long flags; 814 815 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 816 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 817 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 818 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 819 820 rc = bfad_hal_mem_alloc(bfad); 821 if (rc != BFA_STATUS_OK) { 822 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 823 bfad->inst_no); 824 printk(KERN_WARNING 825 "Not enough memory to attach all Brocade HBA ports, %s", 826 "System may need more memory.\n"); 827 goto out_hal_mem_alloc_failure; 828 } 829 830 bfad->bfa.trcmod = bfad->trcmod; 831 bfad->bfa.plog = &bfad->plog_buf; 832 bfa_plog_init(&bfad->plog_buf); 833 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 834 0, "Driver Attach"); 835 836 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 837 &bfad->hal_pcidev); 838 839 /* FCS INIT */ 840 spin_lock_irqsave(&bfad->bfad_lock, flags); 841 bfad->bfa_fcs.trcmod = bfad->trcmod; 842 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 843 bfad->bfa_fcs.fdmi_enabled = fdmi_enable; 844 bfa_fcs_init(&bfad->bfa_fcs); 845 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 846 847 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 848 849 /* configure base port */ 850 rc = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 851 if (rc != BFA_STATUS_OK) 852 goto out_cfg_pport_fail; 853 854 return BFA_STATUS_OK; 855 856 out_cfg_pport_fail: 857 /* fcs exit - on cfg pport failure */ 858 spin_lock_irqsave(&bfad->bfad_lock, flags); 859 init_completion(&bfad->comp); 860 bfad->pport.flags |= BFAD_PORT_DELETE; 861 bfa_fcs_exit(&bfad->bfa_fcs); 862 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 863 wait_for_completion(&bfad->comp); 864 /* bfa detach - free hal memory */ 865 bfa_detach(&bfad->bfa); 866 bfad_hal_mem_release(bfad); 867 out_hal_mem_alloc_failure: 868 return BFA_STATUS_FAILED; 869 } 870 871 void 872 bfad_drv_uninit(struct bfad_s *bfad) 873 { 874 unsigned long flags; 875 876 spin_lock_irqsave(&bfad->bfad_lock, flags); 877 init_completion(&bfad->comp); 878 bfa_iocfc_stop(&bfad->bfa); 879 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 880 wait_for_completion(&bfad->comp); 881 882 del_timer_sync(&bfad->hal_tmo); 883 bfa_isr_disable(&bfad->bfa); 884 bfa_detach(&bfad->bfa); 885 bfad_remove_intr(bfad); 886 bfad_hal_mem_release(bfad); 887 888 bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; 889 } 890 891 void 892 bfad_drv_start(struct bfad_s *bfad) 893 { 894 unsigned long flags; 895 896 spin_lock_irqsave(&bfad->bfad_lock, flags); 897 bfa_iocfc_start(&bfad->bfa); 898 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); 899 bfa_fcs_fabric_modstart(&bfad->bfa_fcs); 900 bfad->bfad_flags |= BFAD_HAL_START_DONE; 901 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 902 903 if (bfad->im) 904 flush_workqueue(bfad->im->drv_workq); 905 } 906 907 void 908 bfad_fcs_stop(struct bfad_s *bfad) 909 { 910 unsigned long flags; 911 912 spin_lock_irqsave(&bfad->bfad_lock, flags); 913 init_completion(&bfad->comp); 914 bfad->pport.flags |= BFAD_PORT_DELETE; 915 bfa_fcs_exit(&bfad->bfa_fcs); 916 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 917 wait_for_completion(&bfad->comp); 918 919 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 920 } 921 922 void 923 bfad_stop(struct bfad_s *bfad) 924 { 925 unsigned long flags; 926 927 spin_lock_irqsave(&bfad->bfad_lock, flags); 928 init_completion(&bfad->comp); 929 bfa_iocfc_stop(&bfad->bfa); 930 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 931 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 932 wait_for_completion(&bfad->comp); 933 934 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); 935 } 936 937 bfa_status_t 938 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) 939 { 940 int rc = BFA_STATUS_OK; 941 942 /* Allocate scsi_host for the physical port */ 943 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 944 (role & BFA_LPORT_ROLE_FCP_IM)) { 945 if (bfad->pport.im_port == NULL) { 946 rc = BFA_STATUS_FAILED; 947 goto out; 948 } 949 950 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 951 &bfad->pcidev->dev); 952 if (rc != BFA_STATUS_OK) 953 goto out; 954 955 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; 956 } 957 958 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 959 960 out: 961 return rc; 962 } 963 964 void 965 bfad_uncfg_pport(struct bfad_s *bfad) 966 { 967 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 968 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { 969 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 970 bfad_im_port_clean(bfad->pport.im_port); 971 kfree(bfad->pport.im_port); 972 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; 973 } 974 975 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 976 } 977 978 bfa_status_t 979 bfad_start_ops(struct bfad_s *bfad) { 980 981 int retval; 982 unsigned long flags; 983 struct bfad_vport_s *vport, *vport_new; 984 struct bfa_fcs_driver_info_s driver_info; 985 986 /* Limit min/max. xfer size to [64k-32MB] */ 987 if (max_xfer_size < BFAD_MIN_SECTORS >> 1) 988 max_xfer_size = BFAD_MIN_SECTORS >> 1; 989 if (max_xfer_size > BFAD_MAX_SECTORS >> 1) 990 max_xfer_size = BFAD_MAX_SECTORS >> 1; 991 992 /* Fill the driver_info info to fcs*/ 993 memset(&driver_info, 0, sizeof(driver_info)); 994 strncpy(driver_info.version, BFAD_DRIVER_VERSION, 995 sizeof(driver_info.version) - 1); 996 if (host_name) 997 strncpy(driver_info.host_machine_name, host_name, 998 sizeof(driver_info.host_machine_name) - 1); 999 if (os_name) 1000 strncpy(driver_info.host_os_name, os_name, 1001 sizeof(driver_info.host_os_name) - 1); 1002 if (os_patch) 1003 strncpy(driver_info.host_os_patch, os_patch, 1004 sizeof(driver_info.host_os_patch) - 1); 1005 1006 strncpy(driver_info.os_device_name, bfad->pci_name, 1007 sizeof(driver_info.os_device_name) - 1); 1008 1009 /* FCS driver info init */ 1010 spin_lock_irqsave(&bfad->bfad_lock, flags); 1011 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 1012 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1013 1014 /* 1015 * FCS update cfg - reset the pwwn/nwwn of fabric base logical port 1016 * with values learned during bfa_init firmware GETATTR REQ. 1017 */ 1018 bfa_fcs_update_cfg(&bfad->bfa_fcs); 1019 1020 /* Setup fc host fixed attribute if the lk supports */ 1021 bfad_fc_host_init(bfad->pport.im_port); 1022 1023 /* BFAD level FC4 IM specific resource allocation */ 1024 retval = bfad_im_probe(bfad); 1025 if (retval != BFA_STATUS_OK) { 1026 printk(KERN_WARNING "bfad_im_probe failed\n"); 1027 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) 1028 bfa_sm_set_state(bfad, bfad_sm_failed); 1029 bfad_im_probe_undo(bfad); 1030 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 1031 bfad_uncfg_pport(bfad); 1032 bfad_stop(bfad); 1033 return BFA_STATUS_FAILED; 1034 } else 1035 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 1036 1037 bfad_drv_start(bfad); 1038 1039 /* Complete pbc vport create */ 1040 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, 1041 list_entry) { 1042 struct fc_vport_identifiers vid; 1043 struct fc_vport *fc_vport; 1044 char pwwn_buf[BFA_STRING_32]; 1045 1046 memset(&vid, 0, sizeof(vid)); 1047 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1048 vid.vport_type = FC_PORTTYPE_NPIV; 1049 vid.disable = false; 1050 vid.node_name = wwn_to_u64((u8 *) 1051 (&((vport->fcs_vport).lport.port_cfg.nwwn))); 1052 vid.port_name = wwn_to_u64((u8 *) 1053 (&((vport->fcs_vport).lport.port_cfg.pwwn))); 1054 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 1055 if (!fc_vport) { 1056 wwn2str(pwwn_buf, vid.port_name); 1057 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 1058 " %s\n", bfad->inst_no, pwwn_buf); 1059 } 1060 list_del(&vport->list_entry); 1061 kfree(vport); 1062 } 1063 1064 /* 1065 * If bfa_linkup_delay is set to -1 default; try to retrive the 1066 * value using the bfad_get_linkup_delay(); else use the 1067 * passed in module param value as the bfa_linkup_delay. 1068 */ 1069 if (bfa_linkup_delay < 0) { 1070 bfa_linkup_delay = bfad_get_linkup_delay(bfad); 1071 bfad_rport_online_wait(bfad); 1072 bfa_linkup_delay = -1; 1073 } else 1074 bfad_rport_online_wait(bfad); 1075 1076 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); 1077 1078 return BFA_STATUS_OK; 1079 } 1080 1081 int 1082 bfad_worker(void *ptr) 1083 { 1084 struct bfad_s *bfad; 1085 unsigned long flags; 1086 1087 bfad = (struct bfad_s *)ptr; 1088 1089 while (!kthread_should_stop()) { 1090 1091 /* Send event BFAD_E_INIT_SUCCESS */ 1092 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 1093 1094 spin_lock_irqsave(&bfad->bfad_lock, flags); 1095 bfad->bfad_tsk = NULL; 1096 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1097 1098 break; 1099 } 1100 1101 return 0; 1102 } 1103 1104 /* 1105 * BFA driver interrupt functions 1106 */ 1107 irqreturn_t 1108 bfad_intx(int irq, void *dev_id) 1109 { 1110 struct bfad_s *bfad = dev_id; 1111 struct list_head doneq; 1112 unsigned long flags; 1113 bfa_boolean_t rc; 1114 1115 spin_lock_irqsave(&bfad->bfad_lock, flags); 1116 rc = bfa_intx(&bfad->bfa); 1117 if (!rc) { 1118 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1119 return IRQ_NONE; 1120 } 1121 1122 bfa_comp_deq(&bfad->bfa, &doneq); 1123 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1124 1125 if (!list_empty(&doneq)) { 1126 bfa_comp_process(&bfad->bfa, &doneq); 1127 1128 spin_lock_irqsave(&bfad->bfad_lock, flags); 1129 bfa_comp_free(&bfad->bfa, &doneq); 1130 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1131 } 1132 1133 return IRQ_HANDLED; 1134 1135 } 1136 1137 static irqreturn_t 1138 bfad_msix(int irq, void *dev_id) 1139 { 1140 struct bfad_msix_s *vec = dev_id; 1141 struct bfad_s *bfad = vec->bfad; 1142 struct list_head doneq; 1143 unsigned long flags; 1144 1145 spin_lock_irqsave(&bfad->bfad_lock, flags); 1146 1147 bfa_msix(&bfad->bfa, vec->msix.entry); 1148 bfa_comp_deq(&bfad->bfa, &doneq); 1149 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1150 1151 if (!list_empty(&doneq)) { 1152 bfa_comp_process(&bfad->bfa, &doneq); 1153 1154 spin_lock_irqsave(&bfad->bfad_lock, flags); 1155 bfa_comp_free(&bfad->bfa, &doneq); 1156 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1157 } 1158 1159 return IRQ_HANDLED; 1160 } 1161 1162 /* 1163 * Initialize the MSIX entry table. 1164 */ 1165 static void 1166 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, 1167 int mask, int max_bit) 1168 { 1169 int i; 1170 int match = 0x00000001; 1171 1172 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { 1173 if (mask & match) { 1174 bfad->msix_tab[bfad->nvec].msix.entry = i; 1175 bfad->msix_tab[bfad->nvec].bfad = bfad; 1176 msix_entries[bfad->nvec].entry = i; 1177 bfad->nvec++; 1178 } 1179 1180 match <<= 1; 1181 } 1182 1183 } 1184 1185 int 1186 bfad_install_msix_handler(struct bfad_s *bfad) 1187 { 1188 int i, error = 0; 1189 1190 for (i = 0; i < bfad->nvec; i++) { 1191 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", 1192 bfad->pci_name, 1193 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? 1194 msix_name_cb[i] : msix_name_ct[i])); 1195 1196 error = request_irq(bfad->msix_tab[i].msix.vector, 1197 (irq_handler_t) bfad_msix, 0, 1198 bfad->msix_tab[i].name, &bfad->msix_tab[i]); 1199 bfa_trc(bfad, i); 1200 bfa_trc(bfad, bfad->msix_tab[i].msix.vector); 1201 if (error) { 1202 int j; 1203 1204 for (j = 0; j < i; j++) 1205 free_irq(bfad->msix_tab[j].msix.vector, 1206 &bfad->msix_tab[j]); 1207 1208 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1209 pci_disable_msix(bfad->pcidev); 1210 1211 return 1; 1212 } 1213 } 1214 1215 return 0; 1216 } 1217 1218 /* 1219 * Setup MSIX based interrupt. 1220 */ 1221 int 1222 bfad_setup_intr(struct bfad_s *bfad) 1223 { 1224 int error = 0; 1225 u32 mask = 0, i, num_bit = 0, max_bit = 0; 1226 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 1227 struct pci_dev *pdev = bfad->pcidev; 1228 u16 reg; 1229 1230 /* Call BFA to get the msix map for this PCI function. */ 1231 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 1232 1233 /* Set up the msix entry table */ 1234 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 1235 1236 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || 1237 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { 1238 1239 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); 1240 if (error) { 1241 /* In CT1 & CT2, try to allocate just one vector */ 1242 if (bfa_asic_id_ctc(pdev->device)) { 1243 printk(KERN_WARNING "bfa %s: trying one msix " 1244 "vector failed to allocate %d[%d]\n", 1245 bfad->pci_name, bfad->nvec, error); 1246 bfad->nvec = 1; 1247 error = pci_enable_msix(bfad->pcidev, 1248 msix_entries, bfad->nvec); 1249 } 1250 1251 /* 1252 * Only error number of vector is available. 1253 * We don't have a mechanism to map multiple 1254 * interrupts into one vector, so even if we 1255 * can try to request less vectors, we don't 1256 * know how to associate interrupt events to 1257 * vectors. Linux doesn't duplicate vectors 1258 * in the MSIX table for this case. 1259 */ 1260 if (error) { 1261 printk(KERN_WARNING "bfad%d: " 1262 "pci_enable_msix failed (%d), " 1263 "use line based.\n", 1264 bfad->inst_no, error); 1265 goto line_based; 1266 } 1267 } 1268 1269 /* Disable INTX in MSI-X mode */ 1270 pci_read_config_word(pdev, PCI_COMMAND, ®); 1271 1272 if (!(reg & PCI_COMMAND_INTX_DISABLE)) 1273 pci_write_config_word(pdev, PCI_COMMAND, 1274 reg | PCI_COMMAND_INTX_DISABLE); 1275 1276 /* Save the vectors */ 1277 for (i = 0; i < bfad->nvec; i++) { 1278 bfa_trc(bfad, msix_entries[i].vector); 1279 bfad->msix_tab[i].msix.vector = msix_entries[i].vector; 1280 } 1281 1282 bfa_msix_init(&bfad->bfa, bfad->nvec); 1283 1284 bfad->bfad_flags |= BFAD_MSIX_ON; 1285 1286 return error; 1287 } 1288 1289 line_based: 1290 error = 0; 1291 if (request_irq 1292 (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, 1293 BFAD_DRIVER_NAME, bfad) != 0) { 1294 /* Enable interrupt handler failed */ 1295 return 1; 1296 } 1297 bfad->bfad_flags |= BFAD_INTX_ON; 1298 1299 return error; 1300 } 1301 1302 void 1303 bfad_remove_intr(struct bfad_s *bfad) 1304 { 1305 int i; 1306 1307 if (bfad->bfad_flags & BFAD_MSIX_ON) { 1308 for (i = 0; i < bfad->nvec; i++) 1309 free_irq(bfad->msix_tab[i].msix.vector, 1310 &bfad->msix_tab[i]); 1311 1312 pci_disable_msix(bfad->pcidev); 1313 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1314 } else if (bfad->bfad_flags & BFAD_INTX_ON) { 1315 free_irq(bfad->pcidev->irq, bfad); 1316 } 1317 } 1318 1319 /* 1320 * PCI probe entry. 1321 */ 1322 int 1323 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1324 { 1325 struct bfad_s *bfad; 1326 int error = -ENODEV, retval, i; 1327 1328 /* For single port cards - only claim function 0 */ 1329 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && 1330 (PCI_FUNC(pdev->devfn) != 0)) 1331 return -ENODEV; 1332 1333 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1334 if (!bfad) { 1335 error = -ENOMEM; 1336 goto out; 1337 } 1338 1339 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1340 if (!bfad->trcmod) { 1341 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1342 error = -ENOMEM; 1343 goto out_alloc_trace_failure; 1344 } 1345 1346 /* TRACE INIT */ 1347 bfa_trc_init(bfad->trcmod); 1348 bfa_trc(bfad, bfad_inst); 1349 1350 /* AEN INIT */ 1351 INIT_LIST_HEAD(&bfad->free_aen_q); 1352 INIT_LIST_HEAD(&bfad->active_aen_q); 1353 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) 1354 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); 1355 1356 if (!(bfad_load_fwimg(pdev))) { 1357 kfree(bfad->trcmod); 1358 goto out_alloc_trace_failure; 1359 } 1360 1361 retval = bfad_pci_init(pdev, bfad); 1362 if (retval) { 1363 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1364 error = retval; 1365 goto out_pci_init_failure; 1366 } 1367 1368 mutex_lock(&bfad_mutex); 1369 bfad->inst_no = bfad_inst++; 1370 list_add_tail(&bfad->list_entry, &bfad_list); 1371 mutex_unlock(&bfad_mutex); 1372 1373 /* Initializing the state machine: State set to uninit */ 1374 bfa_sm_set_state(bfad, bfad_sm_uninit); 1375 1376 spin_lock_init(&bfad->bfad_lock); 1377 spin_lock_init(&bfad->bfad_aen_spinlock); 1378 1379 pci_set_drvdata(pdev, bfad); 1380 1381 bfad->ref_count = 0; 1382 bfad->pport.bfad = bfad; 1383 INIT_LIST_HEAD(&bfad->pbc_vport_list); 1384 INIT_LIST_HEAD(&bfad->vport_list); 1385 1386 /* Setup the debugfs node for this bfad */ 1387 if (bfa_debugfs_enable) 1388 bfad_debugfs_init(&bfad->pport); 1389 1390 retval = bfad_drv_init(bfad); 1391 if (retval != BFA_STATUS_OK) 1392 goto out_drv_init_failure; 1393 1394 bfa_sm_send_event(bfad, BFAD_E_CREATE); 1395 1396 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) 1397 goto out_bfad_sm_failure; 1398 1399 return 0; 1400 1401 out_bfad_sm_failure: 1402 bfa_detach(&bfad->bfa); 1403 bfad_hal_mem_release(bfad); 1404 out_drv_init_failure: 1405 /* Remove the debugfs node for this bfad */ 1406 kfree(bfad->regdata); 1407 bfad_debugfs_exit(&bfad->pport); 1408 mutex_lock(&bfad_mutex); 1409 bfad_inst--; 1410 list_del(&bfad->list_entry); 1411 mutex_unlock(&bfad_mutex); 1412 bfad_pci_uninit(pdev, bfad); 1413 out_pci_init_failure: 1414 kfree(bfad->trcmod); 1415 out_alloc_trace_failure: 1416 kfree(bfad); 1417 out: 1418 return error; 1419 } 1420 1421 /* 1422 * PCI remove entry. 1423 */ 1424 void 1425 bfad_pci_remove(struct pci_dev *pdev) 1426 { 1427 struct bfad_s *bfad = pci_get_drvdata(pdev); 1428 unsigned long flags; 1429 1430 bfa_trc(bfad, bfad->inst_no); 1431 1432 spin_lock_irqsave(&bfad->bfad_lock, flags); 1433 if (bfad->bfad_tsk != NULL) { 1434 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1435 kthread_stop(bfad->bfad_tsk); 1436 } else { 1437 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1438 } 1439 1440 /* Send Event BFAD_E_STOP */ 1441 bfa_sm_send_event(bfad, BFAD_E_STOP); 1442 1443 /* Driver detach and dealloc mem */ 1444 spin_lock_irqsave(&bfad->bfad_lock, flags); 1445 bfa_detach(&bfad->bfa); 1446 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1447 bfad_hal_mem_release(bfad); 1448 1449 /* Remove the debugfs node for this bfad */ 1450 kfree(bfad->regdata); 1451 bfad_debugfs_exit(&bfad->pport); 1452 1453 /* Cleaning the BFAD instance */ 1454 mutex_lock(&bfad_mutex); 1455 bfad_inst--; 1456 list_del(&bfad->list_entry); 1457 mutex_unlock(&bfad_mutex); 1458 bfad_pci_uninit(pdev, bfad); 1459 1460 kfree(bfad->trcmod); 1461 kfree(bfad); 1462 } 1463 1464 /* 1465 * PCI Error Recovery entry, error detected. 1466 */ 1467 static pci_ers_result_t 1468 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 1469 { 1470 struct bfad_s *bfad = pci_get_drvdata(pdev); 1471 unsigned long flags; 1472 pci_ers_result_t ret = PCI_ERS_RESULT_NONE; 1473 1474 dev_printk(KERN_ERR, &pdev->dev, 1475 "error detected state: %d - flags: 0x%x\n", 1476 state, bfad->bfad_flags); 1477 1478 switch (state) { 1479 case pci_channel_io_normal: /* non-fatal error */ 1480 spin_lock_irqsave(&bfad->bfad_lock, flags); 1481 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1482 /* Suspend/fail all bfa operations */ 1483 bfa_ioc_suspend(&bfad->bfa.ioc); 1484 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1485 del_timer_sync(&bfad->hal_tmo); 1486 ret = PCI_ERS_RESULT_CAN_RECOVER; 1487 break; 1488 case pci_channel_io_frozen: /* fatal error */ 1489 init_completion(&bfad->comp); 1490 spin_lock_irqsave(&bfad->bfad_lock, flags); 1491 bfad->bfad_flags |= BFAD_EEH_BUSY; 1492 /* Suspend/fail all bfa operations */ 1493 bfa_ioc_suspend(&bfad->bfa.ioc); 1494 bfa_fcs_stop(&bfad->bfa_fcs); 1495 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1496 wait_for_completion(&bfad->comp); 1497 1498 bfad_remove_intr(bfad); 1499 del_timer_sync(&bfad->hal_tmo); 1500 pci_disable_device(pdev); 1501 ret = PCI_ERS_RESULT_NEED_RESET; 1502 break; 1503 case pci_channel_io_perm_failure: /* PCI Card is DEAD */ 1504 spin_lock_irqsave(&bfad->bfad_lock, flags); 1505 bfad->bfad_flags |= BFAD_EEH_BUSY | 1506 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE; 1507 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1508 1509 /* If the error_detected handler is called with the reason 1510 * pci_channel_io_perm_failure - it will subsequently call 1511 * pci_remove() entry point to remove the pci device from the 1512 * system - So defer the cleanup to pci_remove(); cleaning up 1513 * here causes inconsistent state during pci_remove(). 1514 */ 1515 ret = PCI_ERS_RESULT_DISCONNECT; 1516 break; 1517 default: 1518 WARN_ON(1); 1519 } 1520 1521 return ret; 1522 } 1523 1524 int 1525 restart_bfa(struct bfad_s *bfad) 1526 { 1527 unsigned long flags; 1528 struct pci_dev *pdev = bfad->pcidev; 1529 1530 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, 1531 &bfad->meminfo, &bfad->hal_pcidev); 1532 1533 /* Enable Interrupt and wait bfa_init completion */ 1534 if (bfad_setup_intr(bfad)) { 1535 dev_printk(KERN_WARNING, &pdev->dev, 1536 "%s: bfad_setup_intr failed\n", bfad->pci_name); 1537 bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); 1538 return -1; 1539 } 1540 1541 init_completion(&bfad->comp); 1542 spin_lock_irqsave(&bfad->bfad_lock, flags); 1543 bfa_iocfc_init(&bfad->bfa); 1544 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1545 1546 /* Set up interrupt handler for each vectors */ 1547 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 1548 bfad_install_msix_handler(bfad)) 1549 dev_printk(KERN_WARNING, &pdev->dev, 1550 "%s: install_msix failed.\n", bfad->pci_name); 1551 1552 bfad_init_timer(bfad); 1553 wait_for_completion(&bfad->comp); 1554 bfad_drv_start(bfad); 1555 1556 return 0; 1557 } 1558 1559 /* 1560 * PCI Error Recovery entry, re-initialize the chip. 1561 */ 1562 static pci_ers_result_t 1563 bfad_pci_slot_reset(struct pci_dev *pdev) 1564 { 1565 struct bfad_s *bfad = pci_get_drvdata(pdev); 1566 u8 byte; 1567 1568 dev_printk(KERN_ERR, &pdev->dev, 1569 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags); 1570 1571 if (pci_enable_device(pdev)) { 1572 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable " 1573 "PCI device after reset.\n"); 1574 return PCI_ERS_RESULT_DISCONNECT; 1575 } 1576 1577 pci_restore_state(pdev); 1578 1579 /* 1580 * Read some byte (e.g. DMA max. payload size which can't 1581 * be 0xff any time) to make sure - we did not hit another PCI error 1582 * in the middle of recovery. If we did, then declare permanent failure. 1583 */ 1584 pci_read_config_byte(pdev, 0x68, &byte); 1585 if (byte == 0xff) { 1586 dev_printk(KERN_ERR, &pdev->dev, 1587 "slot_reset failed ... got another PCI error !\n"); 1588 goto out_disable_device; 1589 } 1590 1591 pci_save_state(pdev); 1592 pci_set_master(pdev); 1593 1594 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(64)) != 0) 1595 if (pci_set_dma_mask(bfad->pcidev, DMA_BIT_MASK(32)) != 0) 1596 goto out_disable_device; 1597 1598 pci_cleanup_aer_uncorrect_error_status(pdev); 1599 1600 if (restart_bfa(bfad) == -1) 1601 goto out_disable_device; 1602 1603 pci_enable_pcie_error_reporting(pdev); 1604 dev_printk(KERN_WARNING, &pdev->dev, 1605 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags); 1606 1607 return PCI_ERS_RESULT_RECOVERED; 1608 1609 out_disable_device: 1610 pci_disable_device(pdev); 1611 return PCI_ERS_RESULT_DISCONNECT; 1612 } 1613 1614 static pci_ers_result_t 1615 bfad_pci_mmio_enabled(struct pci_dev *pdev) 1616 { 1617 unsigned long flags; 1618 struct bfad_s *bfad = pci_get_drvdata(pdev); 1619 1620 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n"); 1621 1622 /* Fetch FW diagnostic information */ 1623 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc); 1624 1625 /* Cancel all pending IOs */ 1626 spin_lock_irqsave(&bfad->bfad_lock, flags); 1627 init_completion(&bfad->comp); 1628 bfa_fcs_stop(&bfad->bfa_fcs); 1629 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1630 wait_for_completion(&bfad->comp); 1631 1632 bfad_remove_intr(bfad); 1633 del_timer_sync(&bfad->hal_tmo); 1634 pci_disable_device(pdev); 1635 1636 return PCI_ERS_RESULT_NEED_RESET; 1637 } 1638 1639 static void 1640 bfad_pci_resume(struct pci_dev *pdev) 1641 { 1642 unsigned long flags; 1643 struct bfad_s *bfad = pci_get_drvdata(pdev); 1644 1645 dev_printk(KERN_WARNING, &pdev->dev, "resume\n"); 1646 1647 /* wait until the link is online */ 1648 bfad_rport_online_wait(bfad); 1649 1650 spin_lock_irqsave(&bfad->bfad_lock, flags); 1651 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1652 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1653 } 1654 1655 struct pci_device_id bfad_id_table[] = { 1656 { 1657 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1658 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 1659 .subvendor = PCI_ANY_ID, 1660 .subdevice = PCI_ANY_ID, 1661 }, 1662 { 1663 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1664 .device = BFA_PCI_DEVICE_ID_FC_8G1P, 1665 .subvendor = PCI_ANY_ID, 1666 .subdevice = PCI_ANY_ID, 1667 }, 1668 { 1669 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1670 .device = BFA_PCI_DEVICE_ID_CT, 1671 .subvendor = PCI_ANY_ID, 1672 .subdevice = PCI_ANY_ID, 1673 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1674 .class_mask = ~0, 1675 }, 1676 { 1677 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1678 .device = BFA_PCI_DEVICE_ID_CT_FC, 1679 .subvendor = PCI_ANY_ID, 1680 .subdevice = PCI_ANY_ID, 1681 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1682 .class_mask = ~0, 1683 }, 1684 { 1685 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1686 .device = BFA_PCI_DEVICE_ID_CT2, 1687 .subvendor = PCI_ANY_ID, 1688 .subdevice = PCI_ANY_ID, 1689 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1690 .class_mask = ~0, 1691 }, 1692 1693 { 1694 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1695 .device = BFA_PCI_DEVICE_ID_CT2_QUAD, 1696 .subvendor = PCI_ANY_ID, 1697 .subdevice = PCI_ANY_ID, 1698 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1699 .class_mask = ~0, 1700 }, 1701 {0, 0}, 1702 }; 1703 1704 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1705 1706 /* 1707 * PCI error recovery handlers. 1708 */ 1709 static struct pci_error_handlers bfad_err_handler = { 1710 .error_detected = bfad_pci_error_detected, 1711 .slot_reset = bfad_pci_slot_reset, 1712 .mmio_enabled = bfad_pci_mmio_enabled, 1713 .resume = bfad_pci_resume, 1714 }; 1715 1716 static struct pci_driver bfad_pci_driver = { 1717 .name = BFAD_DRIVER_NAME, 1718 .id_table = bfad_id_table, 1719 .probe = bfad_pci_probe, 1720 .remove = bfad_pci_remove, 1721 .err_handler = &bfad_err_handler, 1722 }; 1723 1724 /* 1725 * Driver module init. 1726 */ 1727 static int __init 1728 bfad_init(void) 1729 { 1730 int error = 0; 1731 1732 printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", 1733 BFAD_DRIVER_VERSION); 1734 1735 if (num_sgpgs > 0) 1736 num_sgpgs_parm = num_sgpgs; 1737 1738 error = bfad_im_module_init(); 1739 if (error) { 1740 error = -ENOMEM; 1741 printk(KERN_WARNING "bfad_im_module_init failure\n"); 1742 goto ext; 1743 } 1744 1745 if (strcmp(FCPI_NAME, " fcpim") == 0) 1746 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; 1747 1748 bfa_auto_recover = ioc_auto_recover; 1749 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1750 bfa_fcs_rport_set_max_logins(max_rport_logins); 1751 1752 error = pci_register_driver(&bfad_pci_driver); 1753 if (error) { 1754 printk(KERN_WARNING "pci_register_driver failure\n"); 1755 goto ext; 1756 } 1757 1758 return 0; 1759 1760 ext: 1761 bfad_im_module_exit(); 1762 return error; 1763 } 1764 1765 /* 1766 * Driver module exit. 1767 */ 1768 static void __exit 1769 bfad_exit(void) 1770 { 1771 pci_unregister_driver(&bfad_pci_driver); 1772 bfad_im_module_exit(); 1773 bfad_free_fwimg(); 1774 } 1775 1776 /* Firmware handling */ 1777 static void 1778 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 1779 u32 *bfi_image_size, char *fw_name) 1780 { 1781 const struct firmware *fw; 1782 1783 if (request_firmware(&fw, fw_name, &pdev->dev)) { 1784 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); 1785 *bfi_image = NULL; 1786 goto out; 1787 } 1788 1789 *bfi_image = vmalloc(fw->size); 1790 if (NULL == *bfi_image) { 1791 printk(KERN_ALERT "Fail to allocate buffer for fw image " 1792 "size=%x!\n", (u32) fw->size); 1793 goto out; 1794 } 1795 1796 memcpy(*bfi_image, fw->data, fw->size); 1797 *bfi_image_size = fw->size/sizeof(u32); 1798 out: 1799 release_firmware(fw); 1800 } 1801 1802 static u32 * 1803 bfad_load_fwimg(struct pci_dev *pdev) 1804 { 1805 if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { 1806 if (bfi_image_ct2_size == 0) 1807 bfad_read_firmware(pdev, &bfi_image_ct2, 1808 &bfi_image_ct2_size, BFAD_FW_FILE_CT2); 1809 return bfi_image_ct2; 1810 } else if (bfa_asic_id_ct(pdev->device)) { 1811 if (bfi_image_ct_size == 0) 1812 bfad_read_firmware(pdev, &bfi_image_ct, 1813 &bfi_image_ct_size, BFAD_FW_FILE_CT); 1814 return bfi_image_ct; 1815 } else { 1816 if (bfi_image_cb_size == 0) 1817 bfad_read_firmware(pdev, &bfi_image_cb, 1818 &bfi_image_cb_size, BFAD_FW_FILE_CB); 1819 return bfi_image_cb; 1820 } 1821 } 1822 1823 static void 1824 bfad_free_fwimg(void) 1825 { 1826 if (bfi_image_ct2_size && bfi_image_ct2) 1827 vfree(bfi_image_ct2); 1828 if (bfi_image_ct_size && bfi_image_ct) 1829 vfree(bfi_image_ct); 1830 if (bfi_image_cb_size && bfi_image_cb) 1831 vfree(bfi_image_cb); 1832 } 1833 1834 module_init(bfad_init); 1835 module_exit(bfad_exit); 1836 MODULE_LICENSE("GPL"); 1837 MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1838 MODULE_AUTHOR("Brocade Communications Systems, Inc."); 1839 MODULE_VERSION(BFAD_DRIVER_VERSION); 1840