1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 4 * Copyright (c) 2014- QLogic Corporation. 5 * All rights reserved 6 * www.qlogic.com 7 * 8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 9 */ 10 11 /* 12 * bfad.c Linux driver PCI interface module. 13 */ 14 #include <linux/module.h> 15 #include <linux/kthread.h> 16 #include <linux/errno.h> 17 #include <linux/sched.h> 18 #include <linux/init.h> 19 #include <linux/fs.h> 20 #include <linux/pci.h> 21 #include <linux/firmware.h> 22 #include <linux/uaccess.h> 23 #include <asm/fcntl.h> 24 25 #include "bfad_drv.h" 26 #include "bfad_im.h" 27 #include "bfa_fcs.h" 28 #include "bfa_defs.h" 29 #include "bfa.h" 30 31 BFA_TRC_FILE(LDRV, BFAD); 32 DEFINE_MUTEX(bfad_mutex); 33 LIST_HEAD(bfad_list); 34 35 static int bfad_inst; 36 static int num_sgpgs_parm; 37 int supported_fc4s; 38 char *host_name, *os_name, *os_patch; 39 int num_rports, num_ios, num_tms; 40 int num_fcxps, num_ufbufs; 41 int reqq_size, rspq_size, num_sgpgs; 42 int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; 43 int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; 44 int bfa_io_max_sge = BFAD_IO_MAX_SGE; 45 int bfa_log_level = 3; /* WARNING log level */ 46 int ioc_auto_recover = BFA_TRUE; 47 int bfa_linkup_delay = -1; 48 int fdmi_enable = BFA_TRUE; 49 int pcie_max_read_reqsz; 50 int bfa_debugfs_enable = 1; 51 int msix_disable_cb = 0, msix_disable_ct = 0; 52 int max_xfer_size = BFAD_MAX_SECTORS >> 1; 53 static int max_rport_logins = BFA_FCS_MAX_RPORT_LOGINS; 54 55 /* Firmware releated */ 56 u32 bfi_image_cb_size, bfi_image_ct_size, bfi_image_ct2_size; 57 u32 *bfi_image_cb, *bfi_image_ct, *bfi_image_ct2; 58 59 #define BFAD_FW_FILE_CB "cbfw-3.2.5.1.bin" 60 #define BFAD_FW_FILE_CT "ctfw-3.2.5.1.bin" 61 #define BFAD_FW_FILE_CT2 "ct2fw-3.2.5.1.bin" 62 63 static u32 *bfad_load_fwimg(struct pci_dev *pdev); 64 static void bfad_free_fwimg(void); 65 static void bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 66 u32 *bfi_image_size, char *fw_name); 67 68 static const char *msix_name_ct[] = { 69 "ctrl", 70 "cpe0", "cpe1", "cpe2", "cpe3", 71 "rme0", "rme1", "rme2", "rme3" }; 72 73 static const char *msix_name_cb[] = { 74 "cpe0", "cpe1", "cpe2", "cpe3", 75 "rme0", "rme1", "rme2", "rme3", 76 "eemc", "elpu0", "elpu1", "epss", "mlpu" }; 77 78 MODULE_FIRMWARE(BFAD_FW_FILE_CB); 79 MODULE_FIRMWARE(BFAD_FW_FILE_CT); 80 MODULE_FIRMWARE(BFAD_FW_FILE_CT2); 81 82 module_param(os_name, charp, S_IRUGO | S_IWUSR); 83 MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); 84 module_param(os_patch, charp, S_IRUGO | S_IWUSR); 85 MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); 86 module_param(host_name, charp, S_IRUGO | S_IWUSR); 87 MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); 88 module_param(num_rports, int, S_IRUGO | S_IWUSR); 89 MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " 90 "(physical/logical), default=1024"); 91 module_param(num_ios, int, S_IRUGO | S_IWUSR); 92 MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); 93 module_param(num_tms, int, S_IRUGO | S_IWUSR); 94 MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); 95 module_param(num_fcxps, int, S_IRUGO | S_IWUSR); 96 MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); 97 module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); 98 MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " 99 "buffers, default=64"); 100 module_param(reqq_size, int, S_IRUGO | S_IWUSR); 101 MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " 102 "default=256"); 103 module_param(rspq_size, int, S_IRUGO | S_IWUSR); 104 MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " 105 "default=64"); 106 module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); 107 MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); 108 module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); 109 MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " 110 "Range[>0]"); 111 module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); 112 MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); 113 module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); 114 MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); 115 module_param(bfa_log_level, int, S_IRUGO | S_IWUSR); 116 MODULE_PARM_DESC(bfa_log_level, "Driver log level, default=3, " 117 "Range[Critical:1|Error:2|Warning:3|Info:4]"); 118 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); 119 MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " 120 "Range[off:0|on:1]"); 121 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); 122 MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " 123 "boot port. Otherwise 10 secs in RHEL4 & 0 for " 124 "[RHEL5, SLES10, ESX40] Range[>0]"); 125 module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); 126 MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts for QLogic-415/425/815/825 cards, default=0 Range[false:0|true:1]"); 127 module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); 128 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]"); 129 module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); 130 MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " 131 "Range[false:0|true:1]"); 132 module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); 133 MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " 134 "(use system setting), Range[128|256|512|1024|2048|4096]"); 135 module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); 136 MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," 137 " Range[false:0|true:1]"); 138 module_param(max_xfer_size, int, S_IRUGO | S_IWUSR); 139 MODULE_PARM_DESC(max_xfer_size, "default=32MB," 140 " Range[64k|128k|256k|512k|1024k|2048k]"); 141 module_param(max_rport_logins, int, S_IRUGO | S_IWUSR); 142 MODULE_PARM_DESC(max_rport_logins, "Max number of logins to initiator and target rports on a port (physical/logical), default=1024"); 143 144 static void 145 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); 146 static void 147 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); 148 static void 149 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); 150 static void 151 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); 152 static void 153 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); 154 static void 155 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); 156 static void 157 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); 158 159 /* 160 * Beginning state for the driver instance, awaiting the pci_probe event 161 */ 162 static void bfad_sm_uninit(struct bfad_s * bfad,enum bfad_sm_event event)163 bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) 164 { 165 bfa_trc(bfad, event); 166 167 switch (event) { 168 case BFAD_E_CREATE: 169 bfa_sm_set_state(bfad, bfad_sm_created); 170 bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, 171 "%s", "bfad_worker"); 172 if (IS_ERR(bfad->bfad_tsk)) { 173 printk(KERN_INFO "bfad[%d]: Kernel thread " 174 "creation failed!\n", bfad->inst_no); 175 bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); 176 } 177 bfa_sm_send_event(bfad, BFAD_E_INIT); 178 break; 179 180 case BFAD_E_STOP: 181 /* Ignore stop; already in uninit */ 182 break; 183 184 default: 185 bfa_sm_fault(bfad, event); 186 } 187 } 188 189 /* 190 * Driver Instance is created, awaiting event INIT to initialize the bfad 191 */ 192 static void bfad_sm_created(struct bfad_s * bfad,enum bfad_sm_event event)193 bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) 194 { 195 unsigned long flags; 196 bfa_status_t ret; 197 198 bfa_trc(bfad, event); 199 200 switch (event) { 201 case BFAD_E_INIT: 202 bfa_sm_set_state(bfad, bfad_sm_initializing); 203 204 init_completion(&bfad->comp); 205 206 /* Enable Interrupt and wait bfa_init completion */ 207 if (bfad_setup_intr(bfad)) { 208 printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", 209 bfad->inst_no); 210 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 211 break; 212 } 213 214 spin_lock_irqsave(&bfad->bfad_lock, flags); 215 bfa_iocfc_init(&bfad->bfa); 216 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 217 218 /* Set up interrupt handler for each vectors */ 219 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 220 bfad_install_msix_handler(bfad)) { 221 printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", 222 __func__, bfad->inst_no); 223 } 224 225 bfad_init_timer(bfad); 226 227 wait_for_completion(&bfad->comp); 228 229 if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { 230 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 231 } else { 232 printk(KERN_WARNING 233 "bfa %s: bfa init failed\n", 234 bfad->pci_name); 235 spin_lock_irqsave(&bfad->bfad_lock, flags); 236 bfa_fcs_init(&bfad->bfa_fcs); 237 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 238 239 ret = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 240 if (ret != BFA_STATUS_OK) { 241 init_completion(&bfad->comp); 242 243 spin_lock_irqsave(&bfad->bfad_lock, flags); 244 bfad->pport.flags |= BFAD_PORT_DELETE; 245 bfa_fcs_exit(&bfad->bfa_fcs); 246 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 247 248 wait_for_completion(&bfad->comp); 249 250 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 251 break; 252 } 253 bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; 254 bfa_sm_send_event(bfad, BFAD_E_HAL_INIT_FAILED); 255 } 256 257 break; 258 259 case BFAD_E_KTHREAD_CREATE_FAILED: 260 bfa_sm_set_state(bfad, bfad_sm_uninit); 261 break; 262 263 default: 264 bfa_sm_fault(bfad, event); 265 } 266 } 267 268 static void bfad_sm_initializing(struct bfad_s * bfad,enum bfad_sm_event event)269 bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) 270 { 271 int retval; 272 unsigned long flags; 273 274 bfa_trc(bfad, event); 275 276 switch (event) { 277 case BFAD_E_INIT_SUCCESS: 278 kthread_stop(bfad->bfad_tsk); 279 spin_lock_irqsave(&bfad->bfad_lock, flags); 280 bfad->bfad_tsk = NULL; 281 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 282 283 retval = bfad_start_ops(bfad); 284 if (retval != BFA_STATUS_OK) { 285 bfa_sm_set_state(bfad, bfad_sm_failed); 286 break; 287 } 288 bfa_sm_set_state(bfad, bfad_sm_operational); 289 break; 290 291 case BFAD_E_INIT_FAILED: 292 bfa_sm_set_state(bfad, bfad_sm_uninit); 293 kthread_stop(bfad->bfad_tsk); 294 spin_lock_irqsave(&bfad->bfad_lock, flags); 295 bfad->bfad_tsk = NULL; 296 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 297 break; 298 299 case BFAD_E_HAL_INIT_FAILED: 300 bfa_sm_set_state(bfad, bfad_sm_failed); 301 break; 302 default: 303 bfa_sm_fault(bfad, event); 304 } 305 } 306 307 static void bfad_sm_failed(struct bfad_s * bfad,enum bfad_sm_event event)308 bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) 309 { 310 int retval; 311 312 bfa_trc(bfad, event); 313 314 switch (event) { 315 case BFAD_E_INIT_SUCCESS: 316 retval = bfad_start_ops(bfad); 317 if (retval != BFA_STATUS_OK) 318 break; 319 bfa_sm_set_state(bfad, bfad_sm_operational); 320 break; 321 322 case BFAD_E_STOP: 323 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 324 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 325 break; 326 327 case BFAD_E_EXIT_COMP: 328 bfa_sm_set_state(bfad, bfad_sm_uninit); 329 bfad_remove_intr(bfad); 330 del_timer_sync(&bfad->hal_tmo); 331 break; 332 333 default: 334 bfa_sm_fault(bfad, event); 335 } 336 } 337 338 static void bfad_sm_operational(struct bfad_s * bfad,enum bfad_sm_event event)339 bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) 340 { 341 bfa_trc(bfad, event); 342 343 switch (event) { 344 case BFAD_E_STOP: 345 bfa_sm_set_state(bfad, bfad_sm_fcs_exit); 346 bfad_fcs_stop(bfad); 347 break; 348 349 default: 350 bfa_sm_fault(bfad, event); 351 } 352 } 353 354 static void bfad_sm_fcs_exit(struct bfad_s * bfad,enum bfad_sm_event event)355 bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) 356 { 357 bfa_trc(bfad, event); 358 359 switch (event) { 360 case BFAD_E_FCS_EXIT_COMP: 361 bfa_sm_set_state(bfad, bfad_sm_stopping); 362 bfad_stop(bfad); 363 break; 364 365 default: 366 bfa_sm_fault(bfad, event); 367 } 368 } 369 370 static void bfad_sm_stopping(struct bfad_s * bfad,enum bfad_sm_event event)371 bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) 372 { 373 bfa_trc(bfad, event); 374 375 switch (event) { 376 case BFAD_E_EXIT_COMP: 377 bfa_sm_set_state(bfad, bfad_sm_uninit); 378 bfad_remove_intr(bfad); 379 del_timer_sync(&bfad->hal_tmo); 380 bfad_im_probe_undo(bfad); 381 bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; 382 bfad_uncfg_pport(bfad); 383 break; 384 385 default: 386 bfa_sm_fault(bfad, event); 387 break; 388 } 389 } 390 391 /* 392 * BFA callbacks 393 */ 394 void bfad_hcb_comp(void * arg,bfa_status_t status)395 bfad_hcb_comp(void *arg, bfa_status_t status) 396 { 397 struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; 398 399 fcomp->status = status; 400 complete(&fcomp->comp); 401 } 402 403 /* 404 * bfa_init callback 405 */ 406 void bfa_cb_init(void * drv,bfa_status_t init_status)407 bfa_cb_init(void *drv, bfa_status_t init_status) 408 { 409 struct bfad_s *bfad = drv; 410 411 if (init_status == BFA_STATUS_OK) { 412 bfad->bfad_flags |= BFAD_HAL_INIT_DONE; 413 414 /* 415 * If BFAD_HAL_INIT_FAIL flag is set: 416 * Wake up the kernel thread to start 417 * the bfad operations after HAL init done 418 */ 419 if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { 420 bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; 421 wake_up_process(bfad->bfad_tsk); 422 } 423 } 424 425 complete(&bfad->comp); 426 } 427 428 /* 429 * BFA_FCS callbacks 430 */ 431 struct bfad_port_s * bfa_fcb_lport_new(struct bfad_s * bfad,struct bfa_fcs_lport_s * port,enum bfa_lport_role roles,struct bfad_vf_s * vf_drv,struct bfad_vport_s * vp_drv)432 bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, 433 enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, 434 struct bfad_vport_s *vp_drv) 435 { 436 bfa_status_t rc; 437 struct bfad_port_s *port_drv; 438 439 if (!vp_drv && !vf_drv) { 440 port_drv = &bfad->pport; 441 port_drv->pvb_type = BFAD_PORT_PHYS_BASE; 442 } else if (!vp_drv && vf_drv) { 443 port_drv = &vf_drv->base_port; 444 port_drv->pvb_type = BFAD_PORT_VF_BASE; 445 } else if (vp_drv && !vf_drv) { 446 port_drv = &vp_drv->drv_port; 447 port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; 448 } else { 449 port_drv = &vp_drv->drv_port; 450 port_drv->pvb_type = BFAD_PORT_VF_VPORT; 451 } 452 453 port_drv->fcs_port = port; 454 port_drv->roles = roles; 455 456 if (roles & BFA_LPORT_ROLE_FCP_IM) { 457 rc = bfad_im_port_new(bfad, port_drv); 458 if (rc != BFA_STATUS_OK) { 459 bfad_im_port_delete(bfad, port_drv); 460 port_drv = NULL; 461 } 462 } 463 464 return port_drv; 465 } 466 467 /* 468 * FCS RPORT alloc callback, after successful PLOGI by FCS 469 */ 470 bfa_status_t bfa_fcb_rport_alloc(struct bfad_s * bfad,struct bfa_fcs_rport_s ** rport,struct bfad_rport_s ** rport_drv)471 bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, 472 struct bfad_rport_s **rport_drv) 473 { 474 bfa_status_t rc = BFA_STATUS_OK; 475 476 *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); 477 if (*rport_drv == NULL) { 478 rc = BFA_STATUS_ENOMEM; 479 goto ext; 480 } 481 482 *rport = &(*rport_drv)->fcs_rport; 483 484 ext: 485 return rc; 486 } 487 488 /* 489 * FCS PBC VPORT Create 490 */ 491 void bfa_fcb_pbc_vport_create(struct bfad_s * bfad,struct bfi_pbc_vport_s pbc_vport)492 bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) 493 { 494 495 struct bfa_lport_cfg_s port_cfg = {0}; 496 struct bfad_vport_s *vport; 497 int rc; 498 499 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC); 500 if (!vport) { 501 bfa_trc(bfad, 0); 502 return; 503 } 504 505 vport->drv_port.bfad = bfad; 506 port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; 507 port_cfg.pwwn = pbc_vport.vp_pwwn; 508 port_cfg.nwwn = pbc_vport.vp_nwwn; 509 port_cfg.preboot_vp = BFA_TRUE; 510 511 rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, 512 &port_cfg, vport); 513 514 if (rc != BFA_STATUS_OK) { 515 bfa_trc(bfad, 0); 516 return; 517 } 518 519 list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); 520 } 521 522 void bfad_hal_mem_release(struct bfad_s * bfad)523 bfad_hal_mem_release(struct bfad_s *bfad) 524 { 525 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 526 struct bfa_mem_dma_s *dma_info, *dma_elem; 527 struct bfa_mem_kva_s *kva_info, *kva_elem; 528 struct list_head *dm_qe, *km_qe; 529 530 dma_info = &hal_meminfo->dma_info; 531 kva_info = &hal_meminfo->kva_info; 532 533 /* Iterate through the KVA meminfo queue */ 534 list_for_each(km_qe, &kva_info->qe) { 535 kva_elem = (struct bfa_mem_kva_s *) km_qe; 536 vfree(kva_elem->kva); 537 } 538 539 /* Iterate through the DMA meminfo queue */ 540 list_for_each(dm_qe, &dma_info->qe) { 541 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 542 dma_free_coherent(&bfad->pcidev->dev, 543 dma_elem->mem_len, dma_elem->kva, 544 (dma_addr_t) dma_elem->dma); 545 } 546 547 memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); 548 } 549 550 void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s * bfa_cfg)551 bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) 552 { 553 if (num_rports > 0) 554 bfa_cfg->fwcfg.num_rports = num_rports; 555 if (num_ios > 0) 556 bfa_cfg->fwcfg.num_ioim_reqs = num_ios; 557 if (num_tms > 0) 558 bfa_cfg->fwcfg.num_tskim_reqs = num_tms; 559 if (num_fcxps > 0 && num_fcxps <= BFA_FCXP_MAX) 560 bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; 561 if (num_ufbufs > 0 && num_ufbufs <= BFA_UF_MAX) 562 bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; 563 if (reqq_size > 0) 564 bfa_cfg->drvcfg.num_reqq_elems = reqq_size; 565 if (rspq_size > 0) 566 bfa_cfg->drvcfg.num_rspq_elems = rspq_size; 567 if (num_sgpgs > 0 && num_sgpgs <= BFA_SGPG_MAX) 568 bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; 569 570 /* 571 * populate the hal values back to the driver for sysfs use. 572 * otherwise, the default values will be shown as 0 in sysfs 573 */ 574 num_rports = bfa_cfg->fwcfg.num_rports; 575 num_ios = bfa_cfg->fwcfg.num_ioim_reqs; 576 num_tms = bfa_cfg->fwcfg.num_tskim_reqs; 577 num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; 578 num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; 579 reqq_size = bfa_cfg->drvcfg.num_reqq_elems; 580 rspq_size = bfa_cfg->drvcfg.num_rspq_elems; 581 num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; 582 } 583 584 bfa_status_t bfad_hal_mem_alloc(struct bfad_s * bfad)585 bfad_hal_mem_alloc(struct bfad_s *bfad) 586 { 587 struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; 588 struct bfa_mem_dma_s *dma_info, *dma_elem; 589 struct bfa_mem_kva_s *kva_info, *kva_elem; 590 struct list_head *dm_qe, *km_qe; 591 bfa_status_t rc = BFA_STATUS_OK; 592 dma_addr_t phys_addr; 593 594 bfa_cfg_get_default(&bfad->ioc_cfg); 595 bfad_update_hal_cfg(&bfad->ioc_cfg); 596 bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; 597 bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo, &bfad->bfa); 598 599 dma_info = &hal_meminfo->dma_info; 600 kva_info = &hal_meminfo->kva_info; 601 602 /* Iterate through the KVA meminfo queue */ 603 list_for_each(km_qe, &kva_info->qe) { 604 kva_elem = (struct bfa_mem_kva_s *) km_qe; 605 kva_elem->kva = vzalloc(kva_elem->mem_len); 606 if (kva_elem->kva == NULL) { 607 bfad_hal_mem_release(bfad); 608 rc = BFA_STATUS_ENOMEM; 609 goto ext; 610 } 611 } 612 613 /* Iterate through the DMA meminfo queue */ 614 list_for_each(dm_qe, &dma_info->qe) { 615 dma_elem = (struct bfa_mem_dma_s *) dm_qe; 616 dma_elem->kva = dma_alloc_coherent(&bfad->pcidev->dev, 617 dma_elem->mem_len, 618 &phys_addr, GFP_KERNEL); 619 if (dma_elem->kva == NULL) { 620 bfad_hal_mem_release(bfad); 621 rc = BFA_STATUS_ENOMEM; 622 goto ext; 623 } 624 dma_elem->dma = phys_addr; 625 memset(dma_elem->kva, 0, dma_elem->mem_len); 626 } 627 ext: 628 return rc; 629 } 630 631 /* 632 * Create a vport under a vf. 633 */ 634 bfa_status_t bfad_vport_create(struct bfad_s * bfad,u16 vf_id,struct bfa_lport_cfg_s * port_cfg,struct device * dev)635 bfad_vport_create(struct bfad_s *bfad, u16 vf_id, 636 struct bfa_lport_cfg_s *port_cfg, struct device *dev) 637 { 638 struct bfad_vport_s *vport; 639 int rc = BFA_STATUS_OK; 640 unsigned long flags; 641 struct completion fcomp; 642 643 vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); 644 if (!vport) { 645 rc = BFA_STATUS_ENOMEM; 646 goto ext; 647 } 648 649 vport->drv_port.bfad = bfad; 650 spin_lock_irqsave(&bfad->bfad_lock, flags); 651 rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, 652 port_cfg, vport); 653 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 654 655 if (rc != BFA_STATUS_OK) 656 goto ext_free_vport; 657 658 if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { 659 rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, 660 dev); 661 if (rc != BFA_STATUS_OK) 662 goto ext_free_fcs_vport; 663 } 664 665 spin_lock_irqsave(&bfad->bfad_lock, flags); 666 bfa_fcs_vport_start(&vport->fcs_vport); 667 list_add_tail(&vport->list_entry, &bfad->vport_list); 668 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 669 670 return BFA_STATUS_OK; 671 672 ext_free_fcs_vport: 673 spin_lock_irqsave(&bfad->bfad_lock, flags); 674 vport->comp_del = &fcomp; 675 init_completion(vport->comp_del); 676 bfa_fcs_vport_delete(&vport->fcs_vport); 677 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 678 wait_for_completion(vport->comp_del); 679 ext_free_vport: 680 kfree(vport); 681 ext: 682 return rc; 683 } 684 685 void bfad_bfa_tmo(struct timer_list * t)686 bfad_bfa_tmo(struct timer_list *t) 687 { 688 struct bfad_s *bfad = from_timer(bfad, t, hal_tmo); 689 unsigned long flags; 690 struct list_head doneq; 691 692 spin_lock_irqsave(&bfad->bfad_lock, flags); 693 694 bfa_timer_beat(&bfad->bfa.timer_mod); 695 696 bfa_comp_deq(&bfad->bfa, &doneq); 697 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 698 699 if (!list_empty(&doneq)) { 700 bfa_comp_process(&bfad->bfa, &doneq); 701 spin_lock_irqsave(&bfad->bfad_lock, flags); 702 bfa_comp_free(&bfad->bfa, &doneq); 703 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 704 } 705 706 mod_timer(&bfad->hal_tmo, 707 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 708 } 709 710 void bfad_init_timer(struct bfad_s * bfad)711 bfad_init_timer(struct bfad_s *bfad) 712 { 713 timer_setup(&bfad->hal_tmo, bfad_bfa_tmo, 0); 714 715 mod_timer(&bfad->hal_tmo, 716 jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); 717 } 718 719 int bfad_pci_init(struct pci_dev * pdev,struct bfad_s * bfad)720 bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) 721 { 722 int rc = -ENODEV; 723 724 if (pci_enable_device(pdev)) { 725 printk(KERN_ERR "pci_enable_device fail %p\n", pdev); 726 goto out; 727 } 728 729 if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) 730 goto out_disable_device; 731 732 pci_set_master(pdev); 733 734 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); 735 if (rc) { 736 rc = -ENODEV; 737 printk(KERN_ERR "dma_set_mask_and_coherent fail %p\n", pdev); 738 goto out_release_region; 739 } 740 741 bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); 742 bfad->pci_bar2_kva = pci_iomap(pdev, 2, pci_resource_len(pdev, 2)); 743 744 if (bfad->pci_bar0_kva == NULL) { 745 printk(KERN_ERR "Fail to map bar0\n"); 746 rc = -ENODEV; 747 goto out_release_region; 748 } 749 750 bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); 751 bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); 752 bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; 753 bfad->hal_pcidev.device_id = pdev->device; 754 bfad->hal_pcidev.ssid = pdev->subsystem_device; 755 bfad->pci_name = pci_name(pdev); 756 757 bfad->pci_attr.vendor_id = pdev->vendor; 758 bfad->pci_attr.device_id = pdev->device; 759 bfad->pci_attr.ssid = pdev->subsystem_device; 760 bfad->pci_attr.ssvid = pdev->subsystem_vendor; 761 bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); 762 763 bfad->pcidev = pdev; 764 765 /* Adjust PCIe Maximum Read Request Size */ 766 if (pci_is_pcie(pdev) && pcie_max_read_reqsz) { 767 if (pcie_max_read_reqsz >= 128 && 768 pcie_max_read_reqsz <= 4096 && 769 is_power_of_2(pcie_max_read_reqsz)) { 770 int max_rq = pcie_get_readrq(pdev); 771 printk(KERN_WARNING "BFA[%s]: " 772 "pcie_max_read_request_size is %d, " 773 "reset to %d\n", bfad->pci_name, max_rq, 774 pcie_max_read_reqsz); 775 pcie_set_readrq(pdev, pcie_max_read_reqsz); 776 } else { 777 printk(KERN_WARNING "BFA[%s]: invalid " 778 "pcie_max_read_request_size %d ignored\n", 779 bfad->pci_name, pcie_max_read_reqsz); 780 } 781 } 782 783 pci_save_state(pdev); 784 785 return 0; 786 787 out_release_region: 788 pci_release_regions(pdev); 789 out_disable_device: 790 pci_disable_device(pdev); 791 out: 792 return rc; 793 } 794 795 void bfad_pci_uninit(struct pci_dev * pdev,struct bfad_s * bfad)796 bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) 797 { 798 pci_iounmap(pdev, bfad->pci_bar0_kva); 799 pci_iounmap(pdev, bfad->pci_bar2_kva); 800 pci_release_regions(pdev); 801 pci_disable_device(pdev); 802 } 803 804 bfa_status_t bfad_drv_init(struct bfad_s * bfad)805 bfad_drv_init(struct bfad_s *bfad) 806 { 807 bfa_status_t rc; 808 unsigned long flags; 809 810 bfad->cfg_data.rport_del_timeout = rport_del_timeout; 811 bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; 812 bfad->cfg_data.io_max_sge = bfa_io_max_sge; 813 bfad->cfg_data.binding_method = FCP_PWWN_BINDING; 814 815 rc = bfad_hal_mem_alloc(bfad); 816 if (rc != BFA_STATUS_OK) { 817 printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", 818 bfad->inst_no); 819 printk(KERN_WARNING 820 "Not enough memory to attach all QLogic BR-series HBA ports. System may need more memory.\n"); 821 return BFA_STATUS_FAILED; 822 } 823 824 bfad->bfa.trcmod = bfad->trcmod; 825 bfad->bfa.plog = &bfad->plog_buf; 826 bfa_plog_init(&bfad->plog_buf); 827 bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, 828 0, "Driver Attach"); 829 830 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, 831 &bfad->hal_pcidev); 832 833 /* FCS INIT */ 834 spin_lock_irqsave(&bfad->bfad_lock, flags); 835 bfad->bfa_fcs.trcmod = bfad->trcmod; 836 bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); 837 bfad->bfa_fcs.fdmi_enabled = fdmi_enable; 838 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 839 840 bfad->bfad_flags |= BFAD_DRV_INIT_DONE; 841 842 return BFA_STATUS_OK; 843 } 844 845 void bfad_drv_start(struct bfad_s * bfad)846 bfad_drv_start(struct bfad_s *bfad) 847 { 848 unsigned long flags; 849 850 spin_lock_irqsave(&bfad->bfad_lock, flags); 851 bfa_iocfc_start(&bfad->bfa); 852 bfa_fcs_pbc_vport_init(&bfad->bfa_fcs); 853 bfa_fcs_fabric_modstart(&bfad->bfa_fcs); 854 bfad->bfad_flags |= BFAD_HAL_START_DONE; 855 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 856 857 if (bfad->im) 858 flush_workqueue(bfad->im->drv_workq); 859 } 860 861 void bfad_fcs_stop(struct bfad_s * bfad)862 bfad_fcs_stop(struct bfad_s *bfad) 863 { 864 unsigned long flags; 865 866 spin_lock_irqsave(&bfad->bfad_lock, flags); 867 init_completion(&bfad->comp); 868 bfad->pport.flags |= BFAD_PORT_DELETE; 869 bfa_fcs_exit(&bfad->bfa_fcs); 870 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 871 wait_for_completion(&bfad->comp); 872 873 bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); 874 } 875 876 void bfad_stop(struct bfad_s * bfad)877 bfad_stop(struct bfad_s *bfad) 878 { 879 unsigned long flags; 880 881 spin_lock_irqsave(&bfad->bfad_lock, flags); 882 init_completion(&bfad->comp); 883 bfa_iocfc_stop(&bfad->bfa); 884 bfad->bfad_flags &= ~BFAD_HAL_START_DONE; 885 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 886 wait_for_completion(&bfad->comp); 887 888 bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); 889 } 890 891 bfa_status_t bfad_cfg_pport(struct bfad_s * bfad,enum bfa_lport_role role)892 bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) 893 { 894 int rc = BFA_STATUS_OK; 895 896 /* Allocate scsi_host for the physical port */ 897 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 898 (role & BFA_LPORT_ROLE_FCP_IM)) { 899 if (bfad->pport.im_port == NULL) { 900 rc = BFA_STATUS_FAILED; 901 goto out; 902 } 903 904 rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, 905 &bfad->pcidev->dev); 906 if (rc != BFA_STATUS_OK) 907 goto out; 908 909 bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; 910 } 911 912 bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; 913 914 out: 915 return rc; 916 } 917 918 void bfad_uncfg_pport(struct bfad_s * bfad)919 bfad_uncfg_pport(struct bfad_s *bfad) 920 { 921 if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && 922 (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { 923 bfad_im_scsi_host_free(bfad, bfad->pport.im_port); 924 bfad_im_port_clean(bfad->pport.im_port); 925 kfree(bfad->pport.im_port); 926 bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; 927 } 928 929 bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; 930 } 931 932 bfa_status_t bfad_start_ops(struct bfad_s * bfad)933 bfad_start_ops(struct bfad_s *bfad) { 934 935 int retval; 936 unsigned long flags; 937 struct bfad_vport_s *vport, *vport_new; 938 struct bfa_fcs_driver_info_s driver_info; 939 940 /* Limit min/max. xfer size to [64k-32MB] */ 941 if (max_xfer_size < BFAD_MIN_SECTORS >> 1) 942 max_xfer_size = BFAD_MIN_SECTORS >> 1; 943 if (max_xfer_size > BFAD_MAX_SECTORS >> 1) 944 max_xfer_size = BFAD_MAX_SECTORS >> 1; 945 946 /* Fill the driver_info info to fcs*/ 947 memset(&driver_info, 0, sizeof(driver_info)); 948 strscpy(driver_info.version, BFAD_DRIVER_VERSION, 949 sizeof(driver_info.version)); 950 if (host_name) 951 strscpy(driver_info.host_machine_name, host_name, 952 sizeof(driver_info.host_machine_name)); 953 if (os_name) 954 strscpy(driver_info.host_os_name, os_name, 955 sizeof(driver_info.host_os_name)); 956 if (os_patch) 957 strscpy(driver_info.host_os_patch, os_patch, 958 sizeof(driver_info.host_os_patch)); 959 960 strscpy(driver_info.os_device_name, bfad->pci_name, 961 sizeof(driver_info.os_device_name)); 962 963 /* FCS driver info init */ 964 spin_lock_irqsave(&bfad->bfad_lock, flags); 965 bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); 966 967 if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) 968 bfa_fcs_update_cfg(&bfad->bfa_fcs); 969 else 970 bfa_fcs_init(&bfad->bfa_fcs); 971 972 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 973 974 if (!(bfad->bfad_flags & BFAD_CFG_PPORT_DONE)) { 975 retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); 976 if (retval != BFA_STATUS_OK) 977 return BFA_STATUS_FAILED; 978 } 979 980 /* Setup fc host fixed attribute if the lk supports */ 981 bfad_fc_host_init(bfad->pport.im_port); 982 983 /* BFAD level FC4 IM specific resource allocation */ 984 retval = bfad_im_probe(bfad); 985 if (retval != BFA_STATUS_OK) { 986 printk(KERN_WARNING "bfad_im_probe failed\n"); 987 if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) 988 bfa_sm_set_state(bfad, bfad_sm_failed); 989 return BFA_STATUS_FAILED; 990 } else 991 bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; 992 993 bfad_drv_start(bfad); 994 995 /* Complete pbc vport create */ 996 list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, 997 list_entry) { 998 struct fc_vport_identifiers vid; 999 struct fc_vport *fc_vport; 1000 char pwwn_buf[BFA_STRING_32]; 1001 1002 memset(&vid, 0, sizeof(vid)); 1003 vid.roles = FC_PORT_ROLE_FCP_INITIATOR; 1004 vid.vport_type = FC_PORTTYPE_NPIV; 1005 vid.disable = false; 1006 vid.node_name = wwn_to_u64((u8 *) 1007 (&((vport->fcs_vport).lport.port_cfg.nwwn))); 1008 vid.port_name = wwn_to_u64((u8 *) 1009 (&((vport->fcs_vport).lport.port_cfg.pwwn))); 1010 fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); 1011 if (!fc_vport) { 1012 wwn2str(pwwn_buf, vid.port_name); 1013 printk(KERN_WARNING "bfad%d: failed to create pbc vport" 1014 " %s\n", bfad->inst_no, pwwn_buf); 1015 } 1016 list_del(&vport->list_entry); 1017 kfree(vport); 1018 } 1019 1020 /* 1021 * If bfa_linkup_delay is set to -1 default; try to retrive the 1022 * value using the bfad_get_linkup_delay(); else use the 1023 * passed in module param value as the bfa_linkup_delay. 1024 */ 1025 if (bfa_linkup_delay < 0) { 1026 bfa_linkup_delay = bfad_get_linkup_delay(bfad); 1027 bfad_rport_online_wait(bfad); 1028 bfa_linkup_delay = -1; 1029 } else 1030 bfad_rport_online_wait(bfad); 1031 1032 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "bfa device claimed\n"); 1033 1034 return BFA_STATUS_OK; 1035 } 1036 1037 int bfad_worker(void * ptr)1038 bfad_worker(void *ptr) 1039 { 1040 struct bfad_s *bfad = ptr; 1041 unsigned long flags; 1042 1043 if (kthread_should_stop()) 1044 return 0; 1045 1046 /* Send event BFAD_E_INIT_SUCCESS */ 1047 bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); 1048 1049 spin_lock_irqsave(&bfad->bfad_lock, flags); 1050 bfad->bfad_tsk = NULL; 1051 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1052 1053 return 0; 1054 } 1055 1056 /* 1057 * BFA driver interrupt functions 1058 */ 1059 irqreturn_t bfad_intx(int irq,void * dev_id)1060 bfad_intx(int irq, void *dev_id) 1061 { 1062 struct bfad_s *bfad = dev_id; 1063 struct list_head doneq; 1064 unsigned long flags; 1065 bfa_boolean_t rc; 1066 1067 spin_lock_irqsave(&bfad->bfad_lock, flags); 1068 rc = bfa_intx(&bfad->bfa); 1069 if (!rc) { 1070 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1071 return IRQ_NONE; 1072 } 1073 1074 bfa_comp_deq(&bfad->bfa, &doneq); 1075 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1076 1077 if (!list_empty(&doneq)) { 1078 bfa_comp_process(&bfad->bfa, &doneq); 1079 1080 spin_lock_irqsave(&bfad->bfad_lock, flags); 1081 bfa_comp_free(&bfad->bfa, &doneq); 1082 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1083 } 1084 1085 return IRQ_HANDLED; 1086 1087 } 1088 1089 static irqreturn_t bfad_msix(int irq,void * dev_id)1090 bfad_msix(int irq, void *dev_id) 1091 { 1092 struct bfad_msix_s *vec = dev_id; 1093 struct bfad_s *bfad = vec->bfad; 1094 struct list_head doneq; 1095 unsigned long flags; 1096 1097 spin_lock_irqsave(&bfad->bfad_lock, flags); 1098 1099 bfa_msix(&bfad->bfa, vec->msix.entry); 1100 bfa_comp_deq(&bfad->bfa, &doneq); 1101 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1102 1103 if (!list_empty(&doneq)) { 1104 bfa_comp_process(&bfad->bfa, &doneq); 1105 1106 spin_lock_irqsave(&bfad->bfad_lock, flags); 1107 bfa_comp_free(&bfad->bfa, &doneq); 1108 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1109 } 1110 1111 return IRQ_HANDLED; 1112 } 1113 1114 /* 1115 * Initialize the MSIX entry table. 1116 */ 1117 static void bfad_init_msix_entry(struct bfad_s * bfad,struct msix_entry * msix_entries,int mask,int max_bit)1118 bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, 1119 int mask, int max_bit) 1120 { 1121 int i; 1122 int match = 0x00000001; 1123 1124 for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { 1125 if (mask & match) { 1126 bfad->msix_tab[bfad->nvec].msix.entry = i; 1127 bfad->msix_tab[bfad->nvec].bfad = bfad; 1128 msix_entries[bfad->nvec].entry = i; 1129 bfad->nvec++; 1130 } 1131 1132 match <<= 1; 1133 } 1134 1135 } 1136 1137 int bfad_install_msix_handler(struct bfad_s * bfad)1138 bfad_install_msix_handler(struct bfad_s *bfad) 1139 { 1140 int i, error = 0; 1141 1142 for (i = 0; i < bfad->nvec; i++) { 1143 sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", 1144 bfad->pci_name, 1145 ((bfa_asic_id_cb(bfad->hal_pcidev.device_id)) ? 1146 msix_name_cb[i] : msix_name_ct[i])); 1147 1148 error = request_irq(bfad->msix_tab[i].msix.vector, 1149 (irq_handler_t) bfad_msix, 0, 1150 bfad->msix_tab[i].name, &bfad->msix_tab[i]); 1151 bfa_trc(bfad, i); 1152 bfa_trc(bfad, bfad->msix_tab[i].msix.vector); 1153 if (error) { 1154 int j; 1155 1156 for (j = 0; j < i; j++) 1157 free_irq(bfad->msix_tab[j].msix.vector, 1158 &bfad->msix_tab[j]); 1159 1160 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1161 pci_disable_msix(bfad->pcidev); 1162 1163 return 1; 1164 } 1165 } 1166 1167 return 0; 1168 } 1169 1170 /* 1171 * Setup MSIX based interrupt. 1172 */ 1173 int bfad_setup_intr(struct bfad_s * bfad)1174 bfad_setup_intr(struct bfad_s *bfad) 1175 { 1176 int error; 1177 u32 mask = 0, i, num_bit = 0, max_bit = 0; 1178 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 1179 struct pci_dev *pdev = bfad->pcidev; 1180 u16 reg; 1181 1182 /* Call BFA to get the msix map for this PCI function. */ 1183 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 1184 1185 /* Set up the msix entry table */ 1186 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 1187 1188 if ((bfa_asic_id_ctc(pdev->device) && !msix_disable_ct) || 1189 (bfa_asic_id_cb(pdev->device) && !msix_disable_cb)) { 1190 1191 error = pci_enable_msix_exact(bfad->pcidev, 1192 msix_entries, bfad->nvec); 1193 /* In CT1 & CT2, try to allocate just one vector */ 1194 if (error == -ENOSPC && bfa_asic_id_ctc(pdev->device)) { 1195 printk(KERN_WARNING "bfa %s: trying one msix " 1196 "vector failed to allocate %d[%d]\n", 1197 bfad->pci_name, bfad->nvec, error); 1198 bfad->nvec = 1; 1199 error = pci_enable_msix_exact(bfad->pcidev, 1200 msix_entries, 1); 1201 } 1202 1203 if (error) { 1204 printk(KERN_WARNING "bfad%d: " 1205 "pci_enable_msix_exact failed (%d), " 1206 "use line based.\n", 1207 bfad->inst_no, error); 1208 goto line_based; 1209 } 1210 1211 /* Disable INTX in MSI-X mode */ 1212 pci_read_config_word(pdev, PCI_COMMAND, ®); 1213 1214 if (!(reg & PCI_COMMAND_INTX_DISABLE)) 1215 pci_write_config_word(pdev, PCI_COMMAND, 1216 reg | PCI_COMMAND_INTX_DISABLE); 1217 1218 /* Save the vectors */ 1219 for (i = 0; i < bfad->nvec; i++) { 1220 bfa_trc(bfad, msix_entries[i].vector); 1221 bfad->msix_tab[i].msix.vector = msix_entries[i].vector; 1222 } 1223 1224 bfa_msix_init(&bfad->bfa, bfad->nvec); 1225 1226 bfad->bfad_flags |= BFAD_MSIX_ON; 1227 1228 return 0; 1229 } 1230 1231 line_based: 1232 error = request_irq(bfad->pcidev->irq, (irq_handler_t)bfad_intx, 1233 BFAD_IRQ_FLAGS, BFAD_DRIVER_NAME, bfad); 1234 if (error) 1235 return error; 1236 1237 bfad->bfad_flags |= BFAD_INTX_ON; 1238 1239 return 0; 1240 } 1241 1242 void bfad_remove_intr(struct bfad_s * bfad)1243 bfad_remove_intr(struct bfad_s *bfad) 1244 { 1245 int i; 1246 1247 if (bfad->bfad_flags & BFAD_MSIX_ON) { 1248 for (i = 0; i < bfad->nvec; i++) 1249 free_irq(bfad->msix_tab[i].msix.vector, 1250 &bfad->msix_tab[i]); 1251 1252 pci_disable_msix(bfad->pcidev); 1253 bfad->bfad_flags &= ~BFAD_MSIX_ON; 1254 } else if (bfad->bfad_flags & BFAD_INTX_ON) { 1255 free_irq(bfad->pcidev->irq, bfad); 1256 } 1257 } 1258 1259 /* 1260 * PCI probe entry. 1261 */ 1262 int bfad_pci_probe(struct pci_dev * pdev,const struct pci_device_id * pid)1263 bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) 1264 { 1265 struct bfad_s *bfad; 1266 int error = -ENODEV, retval, i; 1267 1268 /* For single port cards - only claim function 0 */ 1269 if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && 1270 (PCI_FUNC(pdev->devfn) != 0)) 1271 return -ENODEV; 1272 1273 bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); 1274 if (!bfad) { 1275 error = -ENOMEM; 1276 goto out; 1277 } 1278 1279 bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); 1280 if (!bfad->trcmod) { 1281 printk(KERN_WARNING "Error alloc trace buffer!\n"); 1282 error = -ENOMEM; 1283 goto out_alloc_trace_failure; 1284 } 1285 1286 /* TRACE INIT */ 1287 bfa_trc_init(bfad->trcmod); 1288 bfa_trc(bfad, bfad_inst); 1289 1290 /* AEN INIT */ 1291 INIT_LIST_HEAD(&bfad->free_aen_q); 1292 INIT_LIST_HEAD(&bfad->active_aen_q); 1293 for (i = 0; i < BFA_AEN_MAX_ENTRY; i++) 1294 list_add_tail(&bfad->aen_list[i].qe, &bfad->free_aen_q); 1295 1296 if (!(bfad_load_fwimg(pdev))) { 1297 kfree(bfad->trcmod); 1298 goto out_alloc_trace_failure; 1299 } 1300 1301 retval = bfad_pci_init(pdev, bfad); 1302 if (retval) { 1303 printk(KERN_WARNING "bfad_pci_init failure!\n"); 1304 error = retval; 1305 goto out_pci_init_failure; 1306 } 1307 1308 mutex_lock(&bfad_mutex); 1309 bfad->inst_no = bfad_inst++; 1310 list_add_tail(&bfad->list_entry, &bfad_list); 1311 mutex_unlock(&bfad_mutex); 1312 1313 /* Initializing the state machine: State set to uninit */ 1314 bfa_sm_set_state(bfad, bfad_sm_uninit); 1315 1316 spin_lock_init(&bfad->bfad_lock); 1317 spin_lock_init(&bfad->bfad_aen_spinlock); 1318 1319 pci_set_drvdata(pdev, bfad); 1320 1321 bfad->ref_count = 0; 1322 bfad->pport.bfad = bfad; 1323 INIT_LIST_HEAD(&bfad->pbc_vport_list); 1324 INIT_LIST_HEAD(&bfad->vport_list); 1325 1326 /* Setup the debugfs node for this bfad */ 1327 if (bfa_debugfs_enable) 1328 bfad_debugfs_init(&bfad->pport); 1329 1330 retval = bfad_drv_init(bfad); 1331 if (retval != BFA_STATUS_OK) 1332 goto out_drv_init_failure; 1333 1334 bfa_sm_send_event(bfad, BFAD_E_CREATE); 1335 1336 if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) 1337 goto out_bfad_sm_failure; 1338 1339 return 0; 1340 1341 out_bfad_sm_failure: 1342 bfad_hal_mem_release(bfad); 1343 out_drv_init_failure: 1344 /* Remove the debugfs node for this bfad */ 1345 kfree(bfad->regdata); 1346 bfad_debugfs_exit(&bfad->pport); 1347 mutex_lock(&bfad_mutex); 1348 bfad_inst--; 1349 list_del(&bfad->list_entry); 1350 mutex_unlock(&bfad_mutex); 1351 bfad_pci_uninit(pdev, bfad); 1352 out_pci_init_failure: 1353 kfree(bfad->trcmod); 1354 out_alloc_trace_failure: 1355 kfree(bfad); 1356 out: 1357 return error; 1358 } 1359 1360 /* 1361 * PCI remove entry. 1362 */ 1363 void bfad_pci_remove(struct pci_dev * pdev)1364 bfad_pci_remove(struct pci_dev *pdev) 1365 { 1366 struct bfad_s *bfad = pci_get_drvdata(pdev); 1367 unsigned long flags; 1368 1369 bfa_trc(bfad, bfad->inst_no); 1370 1371 spin_lock_irqsave(&bfad->bfad_lock, flags); 1372 if (bfad->bfad_tsk != NULL) { 1373 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1374 kthread_stop(bfad->bfad_tsk); 1375 } else { 1376 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1377 } 1378 1379 /* Send Event BFAD_E_STOP */ 1380 bfa_sm_send_event(bfad, BFAD_E_STOP); 1381 1382 /* Driver detach and dealloc mem */ 1383 spin_lock_irqsave(&bfad->bfad_lock, flags); 1384 bfa_detach(&bfad->bfa); 1385 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1386 bfad_hal_mem_release(bfad); 1387 1388 /* Remove the debugfs node for this bfad */ 1389 kfree(bfad->regdata); 1390 bfad_debugfs_exit(&bfad->pport); 1391 1392 /* Cleaning the BFAD instance */ 1393 mutex_lock(&bfad_mutex); 1394 bfad_inst--; 1395 list_del(&bfad->list_entry); 1396 mutex_unlock(&bfad_mutex); 1397 bfad_pci_uninit(pdev, bfad); 1398 1399 kfree(bfad->trcmod); 1400 kfree(bfad); 1401 } 1402 1403 /* 1404 * PCI Error Recovery entry, error detected. 1405 */ 1406 static pci_ers_result_t bfad_pci_error_detected(struct pci_dev * pdev,pci_channel_state_t state)1407 bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 1408 { 1409 struct bfad_s *bfad = pci_get_drvdata(pdev); 1410 unsigned long flags; 1411 pci_ers_result_t ret = PCI_ERS_RESULT_NONE; 1412 1413 dev_printk(KERN_ERR, &pdev->dev, 1414 "error detected state: %d - flags: 0x%x\n", 1415 state, bfad->bfad_flags); 1416 1417 switch (state) { 1418 case pci_channel_io_normal: /* non-fatal error */ 1419 spin_lock_irqsave(&bfad->bfad_lock, flags); 1420 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1421 /* Suspend/fail all bfa operations */ 1422 bfa_ioc_suspend(&bfad->bfa.ioc); 1423 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1424 del_timer_sync(&bfad->hal_tmo); 1425 ret = PCI_ERS_RESULT_CAN_RECOVER; 1426 break; 1427 case pci_channel_io_frozen: /* fatal error */ 1428 init_completion(&bfad->comp); 1429 spin_lock_irqsave(&bfad->bfad_lock, flags); 1430 bfad->bfad_flags |= BFAD_EEH_BUSY; 1431 /* Suspend/fail all bfa operations */ 1432 bfa_ioc_suspend(&bfad->bfa.ioc); 1433 bfa_fcs_stop(&bfad->bfa_fcs); 1434 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1435 wait_for_completion(&bfad->comp); 1436 1437 bfad_remove_intr(bfad); 1438 del_timer_sync(&bfad->hal_tmo); 1439 pci_disable_device(pdev); 1440 ret = PCI_ERS_RESULT_NEED_RESET; 1441 break; 1442 case pci_channel_io_perm_failure: /* PCI Card is DEAD */ 1443 spin_lock_irqsave(&bfad->bfad_lock, flags); 1444 bfad->bfad_flags |= BFAD_EEH_BUSY | 1445 BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE; 1446 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1447 1448 /* If the error_detected handler is called with the reason 1449 * pci_channel_io_perm_failure - it will subsequently call 1450 * pci_remove() entry point to remove the pci device from the 1451 * system - So defer the cleanup to pci_remove(); cleaning up 1452 * here causes inconsistent state during pci_remove(). 1453 */ 1454 ret = PCI_ERS_RESULT_DISCONNECT; 1455 break; 1456 default: 1457 WARN_ON(1); 1458 } 1459 1460 return ret; 1461 } 1462 restart_bfa(struct bfad_s * bfad)1463 static int restart_bfa(struct bfad_s *bfad) 1464 { 1465 unsigned long flags; 1466 struct pci_dev *pdev = bfad->pcidev; 1467 1468 bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, 1469 &bfad->meminfo, &bfad->hal_pcidev); 1470 1471 /* Enable Interrupt and wait bfa_init completion */ 1472 if (bfad_setup_intr(bfad)) { 1473 dev_printk(KERN_WARNING, &pdev->dev, 1474 "%s: bfad_setup_intr failed\n", bfad->pci_name); 1475 bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); 1476 return -1; 1477 } 1478 1479 init_completion(&bfad->comp); 1480 spin_lock_irqsave(&bfad->bfad_lock, flags); 1481 bfa_iocfc_init(&bfad->bfa); 1482 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1483 1484 /* Set up interrupt handler for each vectors */ 1485 if ((bfad->bfad_flags & BFAD_MSIX_ON) && 1486 bfad_install_msix_handler(bfad)) 1487 dev_printk(KERN_WARNING, &pdev->dev, 1488 "%s: install_msix failed.\n", bfad->pci_name); 1489 1490 bfad_init_timer(bfad); 1491 wait_for_completion(&bfad->comp); 1492 bfad_drv_start(bfad); 1493 1494 return 0; 1495 } 1496 1497 /* 1498 * PCI Error Recovery entry, re-initialize the chip. 1499 */ 1500 static pci_ers_result_t bfad_pci_slot_reset(struct pci_dev * pdev)1501 bfad_pci_slot_reset(struct pci_dev *pdev) 1502 { 1503 struct bfad_s *bfad = pci_get_drvdata(pdev); 1504 u8 byte; 1505 int rc; 1506 1507 dev_printk(KERN_ERR, &pdev->dev, 1508 "bfad_pci_slot_reset flags: 0x%x\n", bfad->bfad_flags); 1509 1510 if (pci_enable_device(pdev)) { 1511 dev_printk(KERN_ERR, &pdev->dev, "Cannot re-enable " 1512 "PCI device after reset.\n"); 1513 return PCI_ERS_RESULT_DISCONNECT; 1514 } 1515 1516 pci_restore_state(pdev); 1517 1518 /* 1519 * Read some byte (e.g. DMA max. payload size which can't 1520 * be 0xff any time) to make sure - we did not hit another PCI error 1521 * in the middle of recovery. If we did, then declare permanent failure. 1522 */ 1523 pci_read_config_byte(pdev, 0x68, &byte); 1524 if (byte == 0xff) { 1525 dev_printk(KERN_ERR, &pdev->dev, 1526 "slot_reset failed ... got another PCI error !\n"); 1527 goto out_disable_device; 1528 } 1529 1530 pci_save_state(pdev); 1531 pci_set_master(pdev); 1532 1533 rc = dma_set_mask_and_coherent(&bfad->pcidev->dev, DMA_BIT_MASK(64)); 1534 if (rc) 1535 goto out_disable_device; 1536 1537 if (restart_bfa(bfad) == -1) 1538 goto out_disable_device; 1539 1540 dev_printk(KERN_WARNING, &pdev->dev, 1541 "slot_reset completed flags: 0x%x!\n", bfad->bfad_flags); 1542 1543 return PCI_ERS_RESULT_RECOVERED; 1544 1545 out_disable_device: 1546 pci_disable_device(pdev); 1547 return PCI_ERS_RESULT_DISCONNECT; 1548 } 1549 1550 static pci_ers_result_t bfad_pci_mmio_enabled(struct pci_dev * pdev)1551 bfad_pci_mmio_enabled(struct pci_dev *pdev) 1552 { 1553 unsigned long flags; 1554 struct bfad_s *bfad = pci_get_drvdata(pdev); 1555 1556 dev_printk(KERN_INFO, &pdev->dev, "mmio_enabled\n"); 1557 1558 /* Fetch FW diagnostic information */ 1559 bfa_ioc_debug_save_ftrc(&bfad->bfa.ioc); 1560 1561 /* Cancel all pending IOs */ 1562 spin_lock_irqsave(&bfad->bfad_lock, flags); 1563 init_completion(&bfad->comp); 1564 bfa_fcs_stop(&bfad->bfa_fcs); 1565 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1566 wait_for_completion(&bfad->comp); 1567 1568 bfad_remove_intr(bfad); 1569 del_timer_sync(&bfad->hal_tmo); 1570 pci_disable_device(pdev); 1571 1572 return PCI_ERS_RESULT_NEED_RESET; 1573 } 1574 1575 static void bfad_pci_resume(struct pci_dev * pdev)1576 bfad_pci_resume(struct pci_dev *pdev) 1577 { 1578 unsigned long flags; 1579 struct bfad_s *bfad = pci_get_drvdata(pdev); 1580 1581 dev_printk(KERN_WARNING, &pdev->dev, "resume\n"); 1582 1583 /* wait until the link is online */ 1584 bfad_rport_online_wait(bfad); 1585 1586 spin_lock_irqsave(&bfad->bfad_lock, flags); 1587 bfad->bfad_flags &= ~BFAD_EEH_BUSY; 1588 spin_unlock_irqrestore(&bfad->bfad_lock, flags); 1589 } 1590 1591 struct pci_device_id bfad_id_table[] = { 1592 { 1593 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1594 .device = BFA_PCI_DEVICE_ID_FC_8G2P, 1595 .subvendor = PCI_ANY_ID, 1596 .subdevice = PCI_ANY_ID, 1597 }, 1598 { 1599 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1600 .device = BFA_PCI_DEVICE_ID_FC_8G1P, 1601 .subvendor = PCI_ANY_ID, 1602 .subdevice = PCI_ANY_ID, 1603 }, 1604 { 1605 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1606 .device = BFA_PCI_DEVICE_ID_CT, 1607 .subvendor = PCI_ANY_ID, 1608 .subdevice = PCI_ANY_ID, 1609 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1610 .class_mask = ~0, 1611 }, 1612 { 1613 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1614 .device = BFA_PCI_DEVICE_ID_CT_FC, 1615 .subvendor = PCI_ANY_ID, 1616 .subdevice = PCI_ANY_ID, 1617 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1618 .class_mask = ~0, 1619 }, 1620 { 1621 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1622 .device = BFA_PCI_DEVICE_ID_CT2, 1623 .subvendor = PCI_ANY_ID, 1624 .subdevice = PCI_ANY_ID, 1625 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1626 .class_mask = ~0, 1627 }, 1628 1629 { 1630 .vendor = BFA_PCI_VENDOR_ID_BROCADE, 1631 .device = BFA_PCI_DEVICE_ID_CT2_QUAD, 1632 .subvendor = PCI_ANY_ID, 1633 .subdevice = PCI_ANY_ID, 1634 .class = (PCI_CLASS_SERIAL_FIBER << 8), 1635 .class_mask = ~0, 1636 }, 1637 {0, 0}, 1638 }; 1639 1640 MODULE_DEVICE_TABLE(pci, bfad_id_table); 1641 1642 /* 1643 * PCI error recovery handlers. 1644 */ 1645 static const struct pci_error_handlers bfad_err_handler = { 1646 .error_detected = bfad_pci_error_detected, 1647 .slot_reset = bfad_pci_slot_reset, 1648 .mmio_enabled = bfad_pci_mmio_enabled, 1649 .resume = bfad_pci_resume, 1650 }; 1651 1652 static struct pci_driver bfad_pci_driver = { 1653 .name = BFAD_DRIVER_NAME, 1654 .id_table = bfad_id_table, 1655 .probe = bfad_pci_probe, 1656 .remove = bfad_pci_remove, 1657 .err_handler = &bfad_err_handler, 1658 }; 1659 1660 /* 1661 * Driver module init. 1662 */ 1663 static int __init bfad_init(void)1664 bfad_init(void) 1665 { 1666 int error = 0; 1667 1668 pr_info("QLogic BR-series BFA FC/FCOE SCSI driver - version: %s\n", 1669 BFAD_DRIVER_VERSION); 1670 1671 if (num_sgpgs > 0) 1672 num_sgpgs_parm = num_sgpgs; 1673 1674 error = bfad_im_module_init(); 1675 if (error) { 1676 printk(KERN_WARNING "bfad_im_module_init failure\n"); 1677 return -ENOMEM; 1678 } 1679 1680 if (strcmp(FCPI_NAME, " fcpim") == 0) 1681 supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; 1682 1683 bfa_auto_recover = ioc_auto_recover; 1684 bfa_fcs_rport_set_del_timeout(rport_del_timeout); 1685 bfa_fcs_rport_set_max_logins(max_rport_logins); 1686 1687 error = pci_register_driver(&bfad_pci_driver); 1688 if (error) { 1689 printk(KERN_WARNING "pci_register_driver failure\n"); 1690 goto ext; 1691 } 1692 1693 return 0; 1694 1695 ext: 1696 bfad_im_module_exit(); 1697 return error; 1698 } 1699 1700 /* 1701 * Driver module exit. 1702 */ 1703 static void __exit bfad_exit(void)1704 bfad_exit(void) 1705 { 1706 pci_unregister_driver(&bfad_pci_driver); 1707 bfad_im_module_exit(); 1708 bfad_free_fwimg(); 1709 } 1710 1711 /* Firmware handling */ 1712 static void bfad_read_firmware(struct pci_dev * pdev,u32 ** bfi_image,u32 * bfi_image_size,char * fw_name)1713 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, 1714 u32 *bfi_image_size, char *fw_name) 1715 { 1716 const struct firmware *fw; 1717 1718 if (request_firmware(&fw, fw_name, &pdev->dev)) { 1719 printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); 1720 *bfi_image = NULL; 1721 goto out; 1722 } 1723 1724 *bfi_image = vmalloc(fw->size); 1725 if (NULL == *bfi_image) { 1726 printk(KERN_ALERT "Fail to allocate buffer for fw image " 1727 "size=%x!\n", (u32) fw->size); 1728 goto out; 1729 } 1730 1731 memcpy(*bfi_image, fw->data, fw->size); 1732 *bfi_image_size = fw->size/sizeof(u32); 1733 out: 1734 release_firmware(fw); 1735 } 1736 1737 static u32 * bfad_load_fwimg(struct pci_dev * pdev)1738 bfad_load_fwimg(struct pci_dev *pdev) 1739 { 1740 if (bfa_asic_id_ct2(pdev->device)) { 1741 if (bfi_image_ct2_size == 0) 1742 bfad_read_firmware(pdev, &bfi_image_ct2, 1743 &bfi_image_ct2_size, BFAD_FW_FILE_CT2); 1744 return bfi_image_ct2; 1745 } else if (bfa_asic_id_ct(pdev->device)) { 1746 if (bfi_image_ct_size == 0) 1747 bfad_read_firmware(pdev, &bfi_image_ct, 1748 &bfi_image_ct_size, BFAD_FW_FILE_CT); 1749 return bfi_image_ct; 1750 } else if (bfa_asic_id_cb(pdev->device)) { 1751 if (bfi_image_cb_size == 0) 1752 bfad_read_firmware(pdev, &bfi_image_cb, 1753 &bfi_image_cb_size, BFAD_FW_FILE_CB); 1754 return bfi_image_cb; 1755 } 1756 1757 return NULL; 1758 } 1759 1760 static void bfad_free_fwimg(void)1761 bfad_free_fwimg(void) 1762 { 1763 if (bfi_image_ct2_size && bfi_image_ct2) 1764 vfree(bfi_image_ct2); 1765 if (bfi_image_ct_size && bfi_image_ct) 1766 vfree(bfi_image_ct); 1767 if (bfi_image_cb_size && bfi_image_cb) 1768 vfree(bfi_image_cb); 1769 } 1770 1771 module_init(bfad_init); 1772 module_exit(bfad_exit); 1773 MODULE_LICENSE("GPL"); 1774 MODULE_DESCRIPTION("QLogic BR-series Fibre Channel HBA Driver" BFAD_PROTO_NAME); 1775 MODULE_AUTHOR("QLogic Corporation"); 1776 MODULE_VERSION(BFAD_DRIVER_VERSION); 1777