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 #include "bfad_drv.h" 19 #include "bfad_im.h" 20 #include "bfa_ioc.h" 21 #include "bfi_reg.h" 22 #include "bfa_defs.h" 23 #include "bfa_defs_svc.h" 24 25 BFA_TRC_FILE(CNA, IOC); 26 27 /* 28 * IOC local definitions 29 */ 30 #define BFA_IOC_TOV 3000 /* msecs */ 31 #define BFA_IOC_HWSEM_TOV 500 /* msecs */ 32 #define BFA_IOC_HB_TOV 500 /* msecs */ 33 #define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV 34 #define BFA_IOC_POLL_TOV BFA_TIMER_FREQ 35 36 #define bfa_ioc_timer_start(__ioc) \ 37 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 38 bfa_ioc_timeout, (__ioc), BFA_IOC_TOV) 39 #define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 40 41 #define bfa_hb_timer_start(__ioc) \ 42 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \ 43 bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV) 44 #define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer) 45 46 #define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) 47 48 /* 49 * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. 50 */ 51 52 #define bfa_ioc_firmware_lock(__ioc) \ 53 ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) 54 #define bfa_ioc_firmware_unlock(__ioc) \ 55 ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) 56 #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) 57 #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) 58 #define bfa_ioc_notify_fail(__ioc) \ 59 ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) 60 #define bfa_ioc_sync_start(__ioc) \ 61 ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) 62 #define bfa_ioc_sync_join(__ioc) \ 63 ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) 64 #define bfa_ioc_sync_leave(__ioc) \ 65 ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) 66 #define bfa_ioc_sync_ack(__ioc) \ 67 ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) 68 #define bfa_ioc_sync_complete(__ioc) \ 69 ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) 70 71 #define bfa_ioc_mbox_cmd_pending(__ioc) \ 72 (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ 73 readl((__ioc)->ioc_regs.hfn_mbox_cmd)) 74 75 bfa_boolean_t bfa_auto_recover = BFA_TRUE; 76 77 /* 78 * forward declarations 79 */ 80 static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); 81 static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); 82 static void bfa_ioc_timeout(void *ioc); 83 static void bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc); 84 static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); 85 static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); 86 static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); 87 static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); 88 static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); 89 static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc); 90 static void bfa_ioc_recover(struct bfa_ioc_s *ioc); 91 static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc , 92 enum bfa_ioc_event_e event); 93 static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); 94 static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); 95 static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc); 96 static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc); 97 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); 98 99 /* 100 * IOC state machine definitions/declarations 101 */ 102 enum ioc_event { 103 IOC_E_RESET = 1, /* IOC reset request */ 104 IOC_E_ENABLE = 2, /* IOC enable request */ 105 IOC_E_DISABLE = 3, /* IOC disable request */ 106 IOC_E_DETACH = 4, /* driver detach cleanup */ 107 IOC_E_ENABLED = 5, /* f/w enabled */ 108 IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */ 109 IOC_E_DISABLED = 7, /* f/w disabled */ 110 IOC_E_PFFAILED = 8, /* failure notice by iocpf sm */ 111 IOC_E_HBFAIL = 9, /* heartbeat failure */ 112 IOC_E_HWERROR = 10, /* hardware error interrupt */ 113 IOC_E_TIMEOUT = 11, /* timeout */ 114 IOC_E_HWFAILED = 12, /* PCI mapping failure notice */ 115 }; 116 117 bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event); 118 bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event); 119 bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event); 120 bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event); 121 bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event); 122 bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event); 123 bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event); 124 bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); 125 bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); 126 bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event); 127 128 static struct bfa_sm_table_s ioc_sm_table[] = { 129 {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, 130 {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, 131 {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, 132 {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, 133 {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, 134 {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, 135 {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, 136 {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, 137 {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, 138 {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL}, 139 }; 140 141 /* 142 * IOCPF state machine definitions/declarations 143 */ 144 145 #define bfa_iocpf_timer_start(__ioc) \ 146 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 147 bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV) 148 #define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 149 150 #define bfa_iocpf_poll_timer_start(__ioc) \ 151 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 152 bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV) 153 154 #define bfa_sem_timer_start(__ioc) \ 155 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \ 156 bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV) 157 #define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer) 158 159 /* 160 * Forward declareations for iocpf state machine 161 */ 162 static void bfa_iocpf_timeout(void *ioc_arg); 163 static void bfa_iocpf_sem_timeout(void *ioc_arg); 164 static void bfa_iocpf_poll_timeout(void *ioc_arg); 165 166 /* 167 * IOCPF state machine events 168 */ 169 enum iocpf_event { 170 IOCPF_E_ENABLE = 1, /* IOCPF enable request */ 171 IOCPF_E_DISABLE = 2, /* IOCPF disable request */ 172 IOCPF_E_STOP = 3, /* stop on driver detach */ 173 IOCPF_E_FWREADY = 4, /* f/w initialization done */ 174 IOCPF_E_FWRSP_ENABLE = 5, /* enable f/w response */ 175 IOCPF_E_FWRSP_DISABLE = 6, /* disable f/w response */ 176 IOCPF_E_FAIL = 7, /* failure notice by ioc sm */ 177 IOCPF_E_INITFAIL = 8, /* init fail notice by ioc sm */ 178 IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */ 179 IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */ 180 IOCPF_E_TIMEOUT = 11, /* f/w response timeout */ 181 IOCPF_E_SEM_ERROR = 12, /* h/w sem mapping error */ 182 }; 183 184 /* 185 * IOCPF states 186 */ 187 enum bfa_iocpf_state { 188 BFA_IOCPF_RESET = 1, /* IOC is in reset state */ 189 BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */ 190 BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */ 191 BFA_IOCPF_READY = 4, /* IOCPF is initialized */ 192 BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */ 193 BFA_IOCPF_FAIL = 6, /* IOCPF failed */ 194 BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */ 195 BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */ 196 BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */ 197 }; 198 199 bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event); 200 bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event); 201 bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event); 202 bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event); 203 bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event); 204 bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event); 205 bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event); 206 bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf_s, 207 enum iocpf_event); 208 bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event); 209 bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf_s, enum iocpf_event); 210 bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event); 211 bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event); 212 bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s, 213 enum iocpf_event); 214 bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event); 215 216 static struct bfa_sm_table_s iocpf_sm_table[] = { 217 {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, 218 {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, 219 {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, 220 {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, 221 {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, 222 {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, 223 {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, 224 {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, 225 {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, 226 {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, 227 {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, 228 {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, 229 {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, 230 {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, 231 }; 232 233 /* 234 * IOC State Machine 235 */ 236 237 /* 238 * Beginning state. IOC uninit state. 239 */ 240 241 static void 242 bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc) 243 { 244 } 245 246 /* 247 * IOC is in uninit state. 248 */ 249 static void 250 bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event) 251 { 252 bfa_trc(ioc, event); 253 254 switch (event) { 255 case IOC_E_RESET: 256 bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); 257 break; 258 259 default: 260 bfa_sm_fault(ioc, event); 261 } 262 } 263 /* 264 * Reset entry actions -- initialize state machine 265 */ 266 static void 267 bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc) 268 { 269 bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); 270 } 271 272 /* 273 * IOC is in reset state. 274 */ 275 static void 276 bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) 277 { 278 bfa_trc(ioc, event); 279 280 switch (event) { 281 case IOC_E_ENABLE: 282 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 283 break; 284 285 case IOC_E_DISABLE: 286 bfa_ioc_disable_comp(ioc); 287 break; 288 289 case IOC_E_DETACH: 290 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 291 break; 292 293 default: 294 bfa_sm_fault(ioc, event); 295 } 296 } 297 298 299 static void 300 bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) 301 { 302 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); 303 } 304 305 /* 306 * Host IOC function is being enabled, awaiting response from firmware. 307 * Semaphore is acquired. 308 */ 309 static void 310 bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) 311 { 312 bfa_trc(ioc, event); 313 314 switch (event) { 315 case IOC_E_ENABLED: 316 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 317 break; 318 319 case IOC_E_PFFAILED: 320 /* !!! fall through !!! */ 321 case IOC_E_HWERROR: 322 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 323 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 324 if (event != IOC_E_PFFAILED) 325 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 326 break; 327 328 case IOC_E_HWFAILED: 329 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 330 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 331 break; 332 333 case IOC_E_DISABLE: 334 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 335 break; 336 337 case IOC_E_DETACH: 338 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 339 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 340 break; 341 342 case IOC_E_ENABLE: 343 break; 344 345 default: 346 bfa_sm_fault(ioc, event); 347 } 348 } 349 350 351 static void 352 bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) 353 { 354 bfa_ioc_timer_start(ioc); 355 bfa_ioc_send_getattr(ioc); 356 } 357 358 /* 359 * IOC configuration in progress. Timer is active. 360 */ 361 static void 362 bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) 363 { 364 bfa_trc(ioc, event); 365 366 switch (event) { 367 case IOC_E_FWRSP_GETATTR: 368 bfa_ioc_timer_stop(ioc); 369 bfa_fsm_set_state(ioc, bfa_ioc_sm_op); 370 break; 371 372 case IOC_E_PFFAILED: 373 case IOC_E_HWERROR: 374 bfa_ioc_timer_stop(ioc); 375 /* !!! fall through !!! */ 376 case IOC_E_TIMEOUT: 377 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 378 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 379 if (event != IOC_E_PFFAILED) 380 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); 381 break; 382 383 case IOC_E_DISABLE: 384 bfa_ioc_timer_stop(ioc); 385 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 386 break; 387 388 case IOC_E_ENABLE: 389 break; 390 391 default: 392 bfa_sm_fault(ioc, event); 393 } 394 } 395 396 static void 397 bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) 398 { 399 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 400 401 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); 402 bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); 403 bfa_ioc_hb_monitor(ioc); 404 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n"); 405 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); 406 } 407 408 static void 409 bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) 410 { 411 bfa_trc(ioc, event); 412 413 switch (event) { 414 case IOC_E_ENABLE: 415 break; 416 417 case IOC_E_DISABLE: 418 bfa_hb_timer_stop(ioc); 419 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 420 break; 421 422 case IOC_E_PFFAILED: 423 case IOC_E_HWERROR: 424 bfa_hb_timer_stop(ioc); 425 /* !!! fall through !!! */ 426 case IOC_E_HBFAIL: 427 if (ioc->iocpf.auto_recover) 428 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); 429 else 430 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 431 432 bfa_ioc_fail_notify(ioc); 433 434 if (event != IOC_E_PFFAILED) 435 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 436 break; 437 438 default: 439 bfa_sm_fault(ioc, event); 440 } 441 } 442 443 444 static void 445 bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) 446 { 447 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 448 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); 449 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n"); 450 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); 451 } 452 453 /* 454 * IOC is being disabled 455 */ 456 static void 457 bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) 458 { 459 bfa_trc(ioc, event); 460 461 switch (event) { 462 case IOC_E_DISABLED: 463 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); 464 break; 465 466 case IOC_E_HWERROR: 467 /* 468 * No state change. Will move to disabled state 469 * after iocpf sm completes failure processing and 470 * moves to disabled state. 471 */ 472 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 473 break; 474 475 case IOC_E_HWFAILED: 476 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 477 bfa_ioc_disable_comp(ioc); 478 break; 479 480 default: 481 bfa_sm_fault(ioc, event); 482 } 483 } 484 485 /* 486 * IOC disable completion entry. 487 */ 488 static void 489 bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) 490 { 491 bfa_ioc_disable_comp(ioc); 492 } 493 494 static void 495 bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) 496 { 497 bfa_trc(ioc, event); 498 499 switch (event) { 500 case IOC_E_ENABLE: 501 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 502 break; 503 504 case IOC_E_DISABLE: 505 ioc->cbfn->disable_cbfn(ioc->bfa); 506 break; 507 508 case IOC_E_DETACH: 509 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 510 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 511 break; 512 513 default: 514 bfa_sm_fault(ioc, event); 515 } 516 } 517 518 519 static void 520 bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc) 521 { 522 bfa_trc(ioc, 0); 523 } 524 525 /* 526 * Hardware initialization retry. 527 */ 528 static void 529 bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event) 530 { 531 bfa_trc(ioc, event); 532 533 switch (event) { 534 case IOC_E_ENABLED: 535 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 536 break; 537 538 case IOC_E_PFFAILED: 539 case IOC_E_HWERROR: 540 /* 541 * Initialization retry failed. 542 */ 543 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 544 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 545 if (event != IOC_E_PFFAILED) 546 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 547 break; 548 549 case IOC_E_HWFAILED: 550 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 551 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 552 break; 553 554 case IOC_E_ENABLE: 555 break; 556 557 case IOC_E_DISABLE: 558 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 559 break; 560 561 case IOC_E_DETACH: 562 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 563 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 564 break; 565 566 default: 567 bfa_sm_fault(ioc, event); 568 } 569 } 570 571 572 static void 573 bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc) 574 { 575 bfa_trc(ioc, 0); 576 } 577 578 /* 579 * IOC failure. 580 */ 581 static void 582 bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event) 583 { 584 bfa_trc(ioc, event); 585 586 switch (event) { 587 588 case IOC_E_ENABLE: 589 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 590 break; 591 592 case IOC_E_DISABLE: 593 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 594 break; 595 596 case IOC_E_DETACH: 597 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 598 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 599 break; 600 601 case IOC_E_HWERROR: 602 /* 603 * HB failure notification, ignore. 604 */ 605 break; 606 default: 607 bfa_sm_fault(ioc, event); 608 } 609 } 610 611 static void 612 bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc) 613 { 614 bfa_trc(ioc, 0); 615 } 616 617 static void 618 bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event) 619 { 620 bfa_trc(ioc, event); 621 622 switch (event) { 623 case IOC_E_ENABLE: 624 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 625 break; 626 627 case IOC_E_DISABLE: 628 ioc->cbfn->disable_cbfn(ioc->bfa); 629 break; 630 631 case IOC_E_DETACH: 632 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 633 break; 634 635 default: 636 bfa_sm_fault(ioc, event); 637 } 638 } 639 640 /* 641 * IOCPF State Machine 642 */ 643 644 /* 645 * Reset entry actions -- initialize state machine 646 */ 647 static void 648 bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf) 649 { 650 iocpf->fw_mismatch_notified = BFA_FALSE; 651 iocpf->auto_recover = bfa_auto_recover; 652 } 653 654 /* 655 * Beginning state. IOC is in reset state. 656 */ 657 static void 658 bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 659 { 660 struct bfa_ioc_s *ioc = iocpf->ioc; 661 662 bfa_trc(ioc, event); 663 664 switch (event) { 665 case IOCPF_E_ENABLE: 666 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 667 break; 668 669 case IOCPF_E_STOP: 670 break; 671 672 default: 673 bfa_sm_fault(ioc, event); 674 } 675 } 676 677 /* 678 * Semaphore should be acquired for version check. 679 */ 680 static void 681 bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) 682 { 683 struct bfi_ioc_image_hdr_s fwhdr; 684 u32 r32, fwstate, pgnum, pgoff, loff = 0; 685 int i; 686 687 /* 688 * Spin on init semaphore to serialize. 689 */ 690 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 691 while (r32 & 0x1) { 692 udelay(20); 693 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 694 } 695 696 /* h/w sem init */ 697 fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate); 698 if (fwstate == BFI_IOC_UNINIT) { 699 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 700 goto sem_get; 701 } 702 703 bfa_ioc_fwver_get(iocpf->ioc, &fwhdr); 704 705 if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { 706 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 707 goto sem_get; 708 } 709 710 /* 711 * Clear fwver hdr 712 */ 713 pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff); 714 pgoff = PSS_SMEM_PGOFF(loff); 715 writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn); 716 717 for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) { 718 bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0); 719 loff += sizeof(u32); 720 } 721 722 bfa_trc(iocpf->ioc, fwstate); 723 bfa_trc(iocpf->ioc, swab32(fwhdr.exec)); 724 writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.ioc_fwstate); 725 writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.alt_ioc_fwstate); 726 727 /* 728 * Unlock the hw semaphore. Should be here only once per boot. 729 */ 730 readl(iocpf->ioc->ioc_regs.ioc_sem_reg); 731 writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg); 732 733 /* 734 * unlock init semaphore. 735 */ 736 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 737 738 sem_get: 739 bfa_ioc_hw_sem_get(iocpf->ioc); 740 } 741 742 /* 743 * Awaiting h/w semaphore to continue with version check. 744 */ 745 static void 746 bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 747 { 748 struct bfa_ioc_s *ioc = iocpf->ioc; 749 750 bfa_trc(ioc, event); 751 752 switch (event) { 753 case IOCPF_E_SEMLOCKED: 754 if (bfa_ioc_firmware_lock(ioc)) { 755 if (bfa_ioc_sync_start(ioc)) { 756 bfa_ioc_sync_join(ioc); 757 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 758 } else { 759 bfa_ioc_firmware_unlock(ioc); 760 writel(1, ioc->ioc_regs.ioc_sem_reg); 761 bfa_sem_timer_start(ioc); 762 } 763 } else { 764 writel(1, ioc->ioc_regs.ioc_sem_reg); 765 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); 766 } 767 break; 768 769 case IOCPF_E_SEM_ERROR: 770 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 771 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 772 break; 773 774 case IOCPF_E_DISABLE: 775 bfa_sem_timer_stop(ioc); 776 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 777 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 778 break; 779 780 case IOCPF_E_STOP: 781 bfa_sem_timer_stop(ioc); 782 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 783 break; 784 785 default: 786 bfa_sm_fault(ioc, event); 787 } 788 } 789 790 /* 791 * Notify enable completion callback. 792 */ 793 static void 794 bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf) 795 { 796 /* 797 * Call only the first time sm enters fwmismatch state. 798 */ 799 if (iocpf->fw_mismatch_notified == BFA_FALSE) 800 bfa_ioc_pf_fwmismatch(iocpf->ioc); 801 802 iocpf->fw_mismatch_notified = BFA_TRUE; 803 bfa_iocpf_timer_start(iocpf->ioc); 804 } 805 806 /* 807 * Awaiting firmware version match. 808 */ 809 static void 810 bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 811 { 812 struct bfa_ioc_s *ioc = iocpf->ioc; 813 814 bfa_trc(ioc, event); 815 816 switch (event) { 817 case IOCPF_E_TIMEOUT: 818 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 819 break; 820 821 case IOCPF_E_DISABLE: 822 bfa_iocpf_timer_stop(ioc); 823 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 824 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 825 break; 826 827 case IOCPF_E_STOP: 828 bfa_iocpf_timer_stop(ioc); 829 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 830 break; 831 832 default: 833 bfa_sm_fault(ioc, event); 834 } 835 } 836 837 /* 838 * Request for semaphore. 839 */ 840 static void 841 bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf) 842 { 843 bfa_ioc_hw_sem_get(iocpf->ioc); 844 } 845 846 /* 847 * Awaiting semaphore for h/w initialzation. 848 */ 849 static void 850 bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 851 { 852 struct bfa_ioc_s *ioc = iocpf->ioc; 853 854 bfa_trc(ioc, event); 855 856 switch (event) { 857 case IOCPF_E_SEMLOCKED: 858 if (bfa_ioc_sync_complete(ioc)) { 859 bfa_ioc_sync_join(ioc); 860 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 861 } else { 862 writel(1, ioc->ioc_regs.ioc_sem_reg); 863 bfa_sem_timer_start(ioc); 864 } 865 break; 866 867 case IOCPF_E_SEM_ERROR: 868 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 869 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 870 break; 871 872 case IOCPF_E_DISABLE: 873 bfa_sem_timer_stop(ioc); 874 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 875 break; 876 877 default: 878 bfa_sm_fault(ioc, event); 879 } 880 } 881 882 static void 883 bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf) 884 { 885 iocpf->poll_time = 0; 886 bfa_ioc_hwinit(iocpf->ioc, BFA_FALSE); 887 } 888 889 /* 890 * Hardware is being initialized. Interrupts are enabled. 891 * Holding hardware semaphore lock. 892 */ 893 static void 894 bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 895 { 896 struct bfa_ioc_s *ioc = iocpf->ioc; 897 898 bfa_trc(ioc, event); 899 900 switch (event) { 901 case IOCPF_E_FWREADY: 902 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); 903 break; 904 905 case IOCPF_E_TIMEOUT: 906 writel(1, ioc->ioc_regs.ioc_sem_reg); 907 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 908 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 909 break; 910 911 case IOCPF_E_DISABLE: 912 bfa_iocpf_timer_stop(ioc); 913 bfa_ioc_sync_leave(ioc); 914 writel(1, ioc->ioc_regs.ioc_sem_reg); 915 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 916 break; 917 918 default: 919 bfa_sm_fault(ioc, event); 920 } 921 } 922 923 static void 924 bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf) 925 { 926 bfa_iocpf_timer_start(iocpf->ioc); 927 /* 928 * Enable Interrupts before sending fw IOC ENABLE cmd. 929 */ 930 iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa); 931 bfa_ioc_send_enable(iocpf->ioc); 932 } 933 934 /* 935 * Host IOC function is being enabled, awaiting response from firmware. 936 * Semaphore is acquired. 937 */ 938 static void 939 bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 940 { 941 struct bfa_ioc_s *ioc = iocpf->ioc; 942 943 bfa_trc(ioc, event); 944 945 switch (event) { 946 case IOCPF_E_FWRSP_ENABLE: 947 bfa_iocpf_timer_stop(ioc); 948 writel(1, ioc->ioc_regs.ioc_sem_reg); 949 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); 950 break; 951 952 case IOCPF_E_INITFAIL: 953 bfa_iocpf_timer_stop(ioc); 954 /* 955 * !!! fall through !!! 956 */ 957 958 case IOCPF_E_TIMEOUT: 959 writel(1, ioc->ioc_regs.ioc_sem_reg); 960 if (event == IOCPF_E_TIMEOUT) 961 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 962 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 963 break; 964 965 case IOCPF_E_DISABLE: 966 bfa_iocpf_timer_stop(ioc); 967 writel(1, ioc->ioc_regs.ioc_sem_reg); 968 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 969 break; 970 971 default: 972 bfa_sm_fault(ioc, event); 973 } 974 } 975 976 static void 977 bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf) 978 { 979 bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED); 980 } 981 982 static void 983 bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 984 { 985 struct bfa_ioc_s *ioc = iocpf->ioc; 986 987 bfa_trc(ioc, event); 988 989 switch (event) { 990 case IOCPF_E_DISABLE: 991 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 992 break; 993 994 case IOCPF_E_GETATTRFAIL: 995 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 996 break; 997 998 case IOCPF_E_FAIL: 999 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); 1000 break; 1001 1002 default: 1003 bfa_sm_fault(ioc, event); 1004 } 1005 } 1006 1007 static void 1008 bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf) 1009 { 1010 bfa_iocpf_timer_start(iocpf->ioc); 1011 bfa_ioc_send_disable(iocpf->ioc); 1012 } 1013 1014 /* 1015 * IOC is being disabled 1016 */ 1017 static void 1018 bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1019 { 1020 struct bfa_ioc_s *ioc = iocpf->ioc; 1021 1022 bfa_trc(ioc, event); 1023 1024 switch (event) { 1025 case IOCPF_E_FWRSP_DISABLE: 1026 bfa_iocpf_timer_stop(ioc); 1027 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1028 break; 1029 1030 case IOCPF_E_FAIL: 1031 bfa_iocpf_timer_stop(ioc); 1032 /* 1033 * !!! fall through !!! 1034 */ 1035 1036 case IOCPF_E_TIMEOUT: 1037 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); 1038 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1039 break; 1040 1041 case IOCPF_E_FWRSP_ENABLE: 1042 break; 1043 1044 default: 1045 bfa_sm_fault(ioc, event); 1046 } 1047 } 1048 1049 static void 1050 bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *iocpf) 1051 { 1052 bfa_ioc_hw_sem_get(iocpf->ioc); 1053 } 1054 1055 /* 1056 * IOC hb ack request is being removed. 1057 */ 1058 static void 1059 bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1060 { 1061 struct bfa_ioc_s *ioc = iocpf->ioc; 1062 1063 bfa_trc(ioc, event); 1064 1065 switch (event) { 1066 case IOCPF_E_SEMLOCKED: 1067 bfa_ioc_sync_leave(ioc); 1068 writel(1, ioc->ioc_regs.ioc_sem_reg); 1069 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1070 break; 1071 1072 case IOCPF_E_SEM_ERROR: 1073 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1074 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1075 break; 1076 1077 case IOCPF_E_FAIL: 1078 break; 1079 1080 default: 1081 bfa_sm_fault(ioc, event); 1082 } 1083 } 1084 1085 /* 1086 * IOC disable completion entry. 1087 */ 1088 static void 1089 bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf) 1090 { 1091 bfa_ioc_mbox_flush(iocpf->ioc); 1092 bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED); 1093 } 1094 1095 static void 1096 bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1097 { 1098 struct bfa_ioc_s *ioc = iocpf->ioc; 1099 1100 bfa_trc(ioc, event); 1101 1102 switch (event) { 1103 case IOCPF_E_ENABLE: 1104 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1105 break; 1106 1107 case IOCPF_E_STOP: 1108 bfa_ioc_firmware_unlock(ioc); 1109 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1110 break; 1111 1112 default: 1113 bfa_sm_fault(ioc, event); 1114 } 1115 } 1116 1117 static void 1118 bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf) 1119 { 1120 bfa_ioc_debug_save_ftrc(iocpf->ioc); 1121 bfa_ioc_hw_sem_get(iocpf->ioc); 1122 } 1123 1124 /* 1125 * Hardware initialization failed. 1126 */ 1127 static void 1128 bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1129 { 1130 struct bfa_ioc_s *ioc = iocpf->ioc; 1131 1132 bfa_trc(ioc, event); 1133 1134 switch (event) { 1135 case IOCPF_E_SEMLOCKED: 1136 bfa_ioc_notify_fail(ioc); 1137 bfa_ioc_sync_leave(ioc); 1138 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); 1139 writel(1, ioc->ioc_regs.ioc_sem_reg); 1140 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); 1141 break; 1142 1143 case IOCPF_E_SEM_ERROR: 1144 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1145 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1146 break; 1147 1148 case IOCPF_E_DISABLE: 1149 bfa_sem_timer_stop(ioc); 1150 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1151 break; 1152 1153 case IOCPF_E_STOP: 1154 bfa_sem_timer_stop(ioc); 1155 bfa_ioc_firmware_unlock(ioc); 1156 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1157 break; 1158 1159 case IOCPF_E_FAIL: 1160 break; 1161 1162 default: 1163 bfa_sm_fault(ioc, event); 1164 } 1165 } 1166 1167 static void 1168 bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf) 1169 { 1170 bfa_trc(iocpf->ioc, 0); 1171 } 1172 1173 /* 1174 * Hardware initialization failed. 1175 */ 1176 static void 1177 bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1178 { 1179 struct bfa_ioc_s *ioc = iocpf->ioc; 1180 1181 bfa_trc(ioc, event); 1182 1183 switch (event) { 1184 case IOCPF_E_DISABLE: 1185 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1186 break; 1187 1188 case IOCPF_E_STOP: 1189 bfa_ioc_firmware_unlock(ioc); 1190 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1191 break; 1192 1193 default: 1194 bfa_sm_fault(ioc, event); 1195 } 1196 } 1197 1198 static void 1199 bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *iocpf) 1200 { 1201 /* 1202 * Mark IOC as failed in hardware and stop firmware. 1203 */ 1204 bfa_ioc_lpu_stop(iocpf->ioc); 1205 1206 /* 1207 * Flush any queued up mailbox requests. 1208 */ 1209 bfa_ioc_mbox_flush(iocpf->ioc); 1210 1211 bfa_ioc_hw_sem_get(iocpf->ioc); 1212 } 1213 1214 static void 1215 bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1216 { 1217 struct bfa_ioc_s *ioc = iocpf->ioc; 1218 1219 bfa_trc(ioc, event); 1220 1221 switch (event) { 1222 case IOCPF_E_SEMLOCKED: 1223 bfa_ioc_sync_ack(ioc); 1224 bfa_ioc_notify_fail(ioc); 1225 if (!iocpf->auto_recover) { 1226 bfa_ioc_sync_leave(ioc); 1227 writel(BFI_IOC_FAIL, ioc->ioc_regs.ioc_fwstate); 1228 writel(1, ioc->ioc_regs.ioc_sem_reg); 1229 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1230 } else { 1231 if (bfa_ioc_sync_complete(ioc)) 1232 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 1233 else { 1234 writel(1, ioc->ioc_regs.ioc_sem_reg); 1235 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1236 } 1237 } 1238 break; 1239 1240 case IOCPF_E_SEM_ERROR: 1241 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1242 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1243 break; 1244 1245 case IOCPF_E_DISABLE: 1246 bfa_sem_timer_stop(ioc); 1247 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1248 break; 1249 1250 case IOCPF_E_FAIL: 1251 break; 1252 1253 default: 1254 bfa_sm_fault(ioc, event); 1255 } 1256 } 1257 1258 static void 1259 bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf) 1260 { 1261 bfa_trc(iocpf->ioc, 0); 1262 } 1263 1264 /* 1265 * IOC is in failed state. 1266 */ 1267 static void 1268 bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1269 { 1270 struct bfa_ioc_s *ioc = iocpf->ioc; 1271 1272 bfa_trc(ioc, event); 1273 1274 switch (event) { 1275 case IOCPF_E_DISABLE: 1276 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1277 break; 1278 1279 default: 1280 bfa_sm_fault(ioc, event); 1281 } 1282 } 1283 1284 /* 1285 * BFA IOC private functions 1286 */ 1287 1288 /* 1289 * Notify common modules registered for notification. 1290 */ 1291 static void 1292 bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event) 1293 { 1294 struct bfa_ioc_notify_s *notify; 1295 struct list_head *qe; 1296 1297 list_for_each(qe, &ioc->notify_q) { 1298 notify = (struct bfa_ioc_notify_s *)qe; 1299 notify->cbfn(notify->cbarg, event); 1300 } 1301 } 1302 1303 static void 1304 bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) 1305 { 1306 ioc->cbfn->disable_cbfn(ioc->bfa); 1307 bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); 1308 } 1309 1310 bfa_boolean_t 1311 bfa_ioc_sem_get(void __iomem *sem_reg) 1312 { 1313 u32 r32; 1314 int cnt = 0; 1315 #define BFA_SEM_SPINCNT 3000 1316 1317 r32 = readl(sem_reg); 1318 1319 while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) { 1320 cnt++; 1321 udelay(2); 1322 r32 = readl(sem_reg); 1323 } 1324 1325 if (!(r32 & 1)) 1326 return BFA_TRUE; 1327 1328 return BFA_FALSE; 1329 } 1330 1331 static void 1332 bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc) 1333 { 1334 u32 r32; 1335 1336 /* 1337 * First read to the semaphore register will return 0, subsequent reads 1338 * will return 1. Semaphore is released by writing 1 to the register 1339 */ 1340 r32 = readl(ioc->ioc_regs.ioc_sem_reg); 1341 if (r32 == ~0) { 1342 WARN_ON(r32 == ~0); 1343 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR); 1344 return; 1345 } 1346 if (!(r32 & 1)) { 1347 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); 1348 return; 1349 } 1350 1351 bfa_sem_timer_start(ioc); 1352 } 1353 1354 /* 1355 * Initialize LPU local memory (aka secondary memory / SRAM) 1356 */ 1357 static void 1358 bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) 1359 { 1360 u32 pss_ctl; 1361 int i; 1362 #define PSS_LMEM_INIT_TIME 10000 1363 1364 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1365 pss_ctl &= ~__PSS_LMEM_RESET; 1366 pss_ctl |= __PSS_LMEM_INIT_EN; 1367 1368 /* 1369 * i2c workaround 12.5khz clock 1370 */ 1371 pss_ctl |= __PSS_I2C_CLK_DIV(3UL); 1372 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1373 1374 /* 1375 * wait for memory initialization to be complete 1376 */ 1377 i = 0; 1378 do { 1379 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1380 i++; 1381 } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); 1382 1383 /* 1384 * If memory initialization is not successful, IOC timeout will catch 1385 * such failures. 1386 */ 1387 WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); 1388 bfa_trc(ioc, pss_ctl); 1389 1390 pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); 1391 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1392 } 1393 1394 static void 1395 bfa_ioc_lpu_start(struct bfa_ioc_s *ioc) 1396 { 1397 u32 pss_ctl; 1398 1399 /* 1400 * Take processor out of reset. 1401 */ 1402 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1403 pss_ctl &= ~__PSS_LPU0_RESET; 1404 1405 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1406 } 1407 1408 static void 1409 bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc) 1410 { 1411 u32 pss_ctl; 1412 1413 /* 1414 * Put processors in reset. 1415 */ 1416 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1417 pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); 1418 1419 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1420 } 1421 1422 /* 1423 * Get driver and firmware versions. 1424 */ 1425 void 1426 bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) 1427 { 1428 u32 pgnum, pgoff; 1429 u32 loff = 0; 1430 int i; 1431 u32 *fwsig = (u32 *) fwhdr; 1432 1433 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1434 pgoff = PSS_SMEM_PGOFF(loff); 1435 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1436 1437 for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32)); 1438 i++) { 1439 fwsig[i] = 1440 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 1441 loff += sizeof(u32); 1442 } 1443 } 1444 1445 /* 1446 * Returns TRUE if same. 1447 */ 1448 bfa_boolean_t 1449 bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) 1450 { 1451 struct bfi_ioc_image_hdr_s *drv_fwhdr; 1452 int i; 1453 1454 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 1455 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 1456 1457 for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) { 1458 if (fwhdr->md5sum[i] != drv_fwhdr->md5sum[i]) { 1459 bfa_trc(ioc, i); 1460 bfa_trc(ioc, fwhdr->md5sum[i]); 1461 bfa_trc(ioc, drv_fwhdr->md5sum[i]); 1462 return BFA_FALSE; 1463 } 1464 } 1465 1466 bfa_trc(ioc, fwhdr->md5sum[0]); 1467 return BFA_TRUE; 1468 } 1469 1470 /* 1471 * Return true if current running version is valid. Firmware signature and 1472 * execution context (driver/bios) must match. 1473 */ 1474 static bfa_boolean_t 1475 bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env) 1476 { 1477 struct bfi_ioc_image_hdr_s fwhdr, *drv_fwhdr; 1478 1479 bfa_ioc_fwver_get(ioc, &fwhdr); 1480 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 1481 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 1482 1483 if (fwhdr.signature != drv_fwhdr->signature) { 1484 bfa_trc(ioc, fwhdr.signature); 1485 bfa_trc(ioc, drv_fwhdr->signature); 1486 return BFA_FALSE; 1487 } 1488 1489 if (swab32(fwhdr.bootenv) != boot_env) { 1490 bfa_trc(ioc, fwhdr.bootenv); 1491 bfa_trc(ioc, boot_env); 1492 return BFA_FALSE; 1493 } 1494 1495 return bfa_ioc_fwver_cmp(ioc, &fwhdr); 1496 } 1497 1498 /* 1499 * Conditionally flush any pending message from firmware at start. 1500 */ 1501 static void 1502 bfa_ioc_msgflush(struct bfa_ioc_s *ioc) 1503 { 1504 u32 r32; 1505 1506 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 1507 if (r32) 1508 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 1509 } 1510 1511 static void 1512 bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force) 1513 { 1514 enum bfi_ioc_state ioc_fwstate; 1515 bfa_boolean_t fwvalid; 1516 u32 boot_type; 1517 u32 boot_env; 1518 1519 ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate); 1520 1521 if (force) 1522 ioc_fwstate = BFI_IOC_UNINIT; 1523 1524 bfa_trc(ioc, ioc_fwstate); 1525 1526 boot_type = BFI_FWBOOT_TYPE_NORMAL; 1527 boot_env = BFI_FWBOOT_ENV_OS; 1528 1529 /* 1530 * check if firmware is valid 1531 */ 1532 fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? 1533 BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env); 1534 1535 if (!fwvalid) { 1536 bfa_ioc_boot(ioc, boot_type, boot_env); 1537 bfa_ioc_poll_fwinit(ioc); 1538 return; 1539 } 1540 1541 /* 1542 * If hardware initialization is in progress (initialized by other IOC), 1543 * just wait for an initialization completion interrupt. 1544 */ 1545 if (ioc_fwstate == BFI_IOC_INITING) { 1546 bfa_ioc_poll_fwinit(ioc); 1547 return; 1548 } 1549 1550 /* 1551 * If IOC function is disabled and firmware version is same, 1552 * just re-enable IOC. 1553 * 1554 * If option rom, IOC must not be in operational state. With 1555 * convergence, IOC will be in operational state when 2nd driver 1556 * is loaded. 1557 */ 1558 if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { 1559 1560 /* 1561 * When using MSI-X any pending firmware ready event should 1562 * be flushed. Otherwise MSI-X interrupts are not delivered. 1563 */ 1564 bfa_ioc_msgflush(ioc); 1565 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 1566 return; 1567 } 1568 1569 /* 1570 * Initialize the h/w for any other states. 1571 */ 1572 bfa_ioc_boot(ioc, boot_type, boot_env); 1573 bfa_ioc_poll_fwinit(ioc); 1574 } 1575 1576 static void 1577 bfa_ioc_timeout(void *ioc_arg) 1578 { 1579 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 1580 1581 bfa_trc(ioc, 0); 1582 bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); 1583 } 1584 1585 void 1586 bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) 1587 { 1588 u32 *msgp = (u32 *) ioc_msg; 1589 u32 i; 1590 1591 bfa_trc(ioc, msgp[0]); 1592 bfa_trc(ioc, len); 1593 1594 WARN_ON(len > BFI_IOC_MSGLEN_MAX); 1595 1596 /* 1597 * first write msg to mailbox registers 1598 */ 1599 for (i = 0; i < len / sizeof(u32); i++) 1600 writel(cpu_to_le32(msgp[i]), 1601 ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1602 1603 for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) 1604 writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1605 1606 /* 1607 * write 1 to mailbox CMD to trigger LPU event 1608 */ 1609 writel(1, ioc->ioc_regs.hfn_mbox_cmd); 1610 (void) readl(ioc->ioc_regs.hfn_mbox_cmd); 1611 } 1612 1613 static void 1614 bfa_ioc_send_enable(struct bfa_ioc_s *ioc) 1615 { 1616 struct bfi_ioc_ctrl_req_s enable_req; 1617 struct timeval tv; 1618 1619 bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, 1620 bfa_ioc_portid(ioc)); 1621 enable_req.clscode = cpu_to_be16(ioc->clscode); 1622 do_gettimeofday(&tv); 1623 enable_req.tv_sec = be32_to_cpu(tv.tv_sec); 1624 bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1625 } 1626 1627 static void 1628 bfa_ioc_send_disable(struct bfa_ioc_s *ioc) 1629 { 1630 struct bfi_ioc_ctrl_req_s disable_req; 1631 1632 bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, 1633 bfa_ioc_portid(ioc)); 1634 bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1635 } 1636 1637 static void 1638 bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) 1639 { 1640 struct bfi_ioc_getattr_req_s attr_req; 1641 1642 bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, 1643 bfa_ioc_portid(ioc)); 1644 bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); 1645 bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); 1646 } 1647 1648 static void 1649 bfa_ioc_hb_check(void *cbarg) 1650 { 1651 struct bfa_ioc_s *ioc = cbarg; 1652 u32 hb_count; 1653 1654 hb_count = readl(ioc->ioc_regs.heartbeat); 1655 if (ioc->hb_count == hb_count) { 1656 bfa_ioc_recover(ioc); 1657 return; 1658 } else { 1659 ioc->hb_count = hb_count; 1660 } 1661 1662 bfa_ioc_mbox_poll(ioc); 1663 bfa_hb_timer_start(ioc); 1664 } 1665 1666 static void 1667 bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) 1668 { 1669 ioc->hb_count = readl(ioc->ioc_regs.heartbeat); 1670 bfa_hb_timer_start(ioc); 1671 } 1672 1673 /* 1674 * Initiate a full firmware download. 1675 */ 1676 static void 1677 bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, 1678 u32 boot_env) 1679 { 1680 u32 *fwimg; 1681 u32 pgnum, pgoff; 1682 u32 loff = 0; 1683 u32 chunkno = 0; 1684 u32 i; 1685 u32 asicmode; 1686 1687 bfa_trc(ioc, bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc))); 1688 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), chunkno); 1689 1690 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1691 pgoff = PSS_SMEM_PGOFF(loff); 1692 1693 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1694 1695 for (i = 0; i < bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); i++) { 1696 1697 if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { 1698 chunkno = BFA_IOC_FLASH_CHUNK_NO(i); 1699 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 1700 BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); 1701 } 1702 1703 /* 1704 * write smem 1705 */ 1706 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 1707 fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]); 1708 1709 loff += sizeof(u32); 1710 1711 /* 1712 * handle page offset wrap around 1713 */ 1714 loff = PSS_SMEM_PGOFF(loff); 1715 if (loff == 0) { 1716 pgnum++; 1717 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1718 } 1719 } 1720 1721 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 1722 ioc->ioc_regs.host_page_num_fn); 1723 1724 /* 1725 * Set boot type and device mode at the end. 1726 */ 1727 asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode, 1728 ioc->port0_mode, ioc->port1_mode); 1729 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF, 1730 swab32(asicmode)); 1731 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF, 1732 swab32(boot_type)); 1733 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF, 1734 swab32(boot_env)); 1735 } 1736 1737 1738 /* 1739 * Update BFA configuration from firmware configuration. 1740 */ 1741 static void 1742 bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc) 1743 { 1744 struct bfi_ioc_attr_s *attr = ioc->attr; 1745 1746 attr->adapter_prop = be32_to_cpu(attr->adapter_prop); 1747 attr->card_type = be32_to_cpu(attr->card_type); 1748 attr->maxfrsize = be16_to_cpu(attr->maxfrsize); 1749 ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC); 1750 1751 bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); 1752 } 1753 1754 /* 1755 * Attach time initialization of mbox logic. 1756 */ 1757 static void 1758 bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) 1759 { 1760 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1761 int mc; 1762 1763 INIT_LIST_HEAD(&mod->cmd_q); 1764 for (mc = 0; mc < BFI_MC_MAX; mc++) { 1765 mod->mbhdlr[mc].cbfn = NULL; 1766 mod->mbhdlr[mc].cbarg = ioc->bfa; 1767 } 1768 } 1769 1770 /* 1771 * Mbox poll timer -- restarts any pending mailbox requests. 1772 */ 1773 static void 1774 bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc) 1775 { 1776 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1777 struct bfa_mbox_cmd_s *cmd; 1778 u32 stat; 1779 1780 /* 1781 * If no command pending, do nothing 1782 */ 1783 if (list_empty(&mod->cmd_q)) 1784 return; 1785 1786 /* 1787 * If previous command is not yet fetched by firmware, do nothing 1788 */ 1789 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 1790 if (stat) 1791 return; 1792 1793 /* 1794 * Enqueue command to firmware. 1795 */ 1796 bfa_q_deq(&mod->cmd_q, &cmd); 1797 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 1798 } 1799 1800 /* 1801 * Cleanup any pending requests. 1802 */ 1803 static void 1804 bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc) 1805 { 1806 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1807 struct bfa_mbox_cmd_s *cmd; 1808 1809 while (!list_empty(&mod->cmd_q)) 1810 bfa_q_deq(&mod->cmd_q, &cmd); 1811 } 1812 1813 /* 1814 * Read data from SMEM to host through PCI memmap 1815 * 1816 * @param[in] ioc memory for IOC 1817 * @param[in] tbuf app memory to store data from smem 1818 * @param[in] soff smem offset 1819 * @param[in] sz size of smem in bytes 1820 */ 1821 static bfa_status_t 1822 bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz) 1823 { 1824 u32 pgnum, loff; 1825 __be32 r32; 1826 int i, len; 1827 u32 *buf = tbuf; 1828 1829 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 1830 loff = PSS_SMEM_PGOFF(soff); 1831 bfa_trc(ioc, pgnum); 1832 bfa_trc(ioc, loff); 1833 bfa_trc(ioc, sz); 1834 1835 /* 1836 * Hold semaphore to serialize pll init and fwtrc. 1837 */ 1838 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 1839 bfa_trc(ioc, 0); 1840 return BFA_STATUS_FAILED; 1841 } 1842 1843 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1844 1845 len = sz/sizeof(u32); 1846 bfa_trc(ioc, len); 1847 for (i = 0; i < len; i++) { 1848 r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 1849 buf[i] = be32_to_cpu(r32); 1850 loff += sizeof(u32); 1851 1852 /* 1853 * handle page offset wrap around 1854 */ 1855 loff = PSS_SMEM_PGOFF(loff); 1856 if (loff == 0) { 1857 pgnum++; 1858 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1859 } 1860 } 1861 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 1862 ioc->ioc_regs.host_page_num_fn); 1863 /* 1864 * release semaphore. 1865 */ 1866 readl(ioc->ioc_regs.ioc_init_sem_reg); 1867 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 1868 1869 bfa_trc(ioc, pgnum); 1870 return BFA_STATUS_OK; 1871 } 1872 1873 /* 1874 * Clear SMEM data from host through PCI memmap 1875 * 1876 * @param[in] ioc memory for IOC 1877 * @param[in] soff smem offset 1878 * @param[in] sz size of smem in bytes 1879 */ 1880 static bfa_status_t 1881 bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz) 1882 { 1883 int i, len; 1884 u32 pgnum, loff; 1885 1886 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 1887 loff = PSS_SMEM_PGOFF(soff); 1888 bfa_trc(ioc, pgnum); 1889 bfa_trc(ioc, loff); 1890 bfa_trc(ioc, sz); 1891 1892 /* 1893 * Hold semaphore to serialize pll init and fwtrc. 1894 */ 1895 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 1896 bfa_trc(ioc, 0); 1897 return BFA_STATUS_FAILED; 1898 } 1899 1900 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1901 1902 len = sz/sizeof(u32); /* len in words */ 1903 bfa_trc(ioc, len); 1904 for (i = 0; i < len; i++) { 1905 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0); 1906 loff += sizeof(u32); 1907 1908 /* 1909 * handle page offset wrap around 1910 */ 1911 loff = PSS_SMEM_PGOFF(loff); 1912 if (loff == 0) { 1913 pgnum++; 1914 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1915 } 1916 } 1917 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 1918 ioc->ioc_regs.host_page_num_fn); 1919 1920 /* 1921 * release semaphore. 1922 */ 1923 readl(ioc->ioc_regs.ioc_init_sem_reg); 1924 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 1925 bfa_trc(ioc, pgnum); 1926 return BFA_STATUS_OK; 1927 } 1928 1929 static void 1930 bfa_ioc_fail_notify(struct bfa_ioc_s *ioc) 1931 { 1932 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 1933 1934 /* 1935 * Notify driver and common modules registered for notification. 1936 */ 1937 ioc->cbfn->hbfail_cbfn(ioc->bfa); 1938 bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); 1939 1940 bfa_ioc_debug_save_ftrc(ioc); 1941 1942 BFA_LOG(KERN_CRIT, bfad, bfa_log_level, 1943 "Heart Beat of IOC has failed\n"); 1944 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); 1945 1946 } 1947 1948 static void 1949 bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc) 1950 { 1951 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 1952 /* 1953 * Provide enable completion callback. 1954 */ 1955 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 1956 BFA_LOG(KERN_WARNING, bfad, bfa_log_level, 1957 "Running firmware version is incompatible " 1958 "with the driver version\n"); 1959 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); 1960 } 1961 1962 bfa_status_t 1963 bfa_ioc_pll_init(struct bfa_ioc_s *ioc) 1964 { 1965 1966 /* 1967 * Hold semaphore so that nobody can access the chip during init. 1968 */ 1969 bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); 1970 1971 bfa_ioc_pll_init_asic(ioc); 1972 1973 ioc->pllinit = BFA_TRUE; 1974 1975 /* 1976 * Initialize LMEM 1977 */ 1978 bfa_ioc_lmem_init(ioc); 1979 1980 /* 1981 * release semaphore. 1982 */ 1983 readl(ioc->ioc_regs.ioc_init_sem_reg); 1984 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 1985 1986 return BFA_STATUS_OK; 1987 } 1988 1989 /* 1990 * Interface used by diag module to do firmware boot with memory test 1991 * as the entry vector. 1992 */ 1993 void 1994 bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env) 1995 { 1996 bfa_ioc_stats(ioc, ioc_boots); 1997 1998 if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) 1999 return; 2000 2001 /* 2002 * Initialize IOC state of all functions on a chip reset. 2003 */ 2004 if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) { 2005 writel(BFI_IOC_MEMTEST, ioc->ioc_regs.ioc_fwstate); 2006 writel(BFI_IOC_MEMTEST, ioc->ioc_regs.alt_ioc_fwstate); 2007 } else { 2008 writel(BFI_IOC_INITING, ioc->ioc_regs.ioc_fwstate); 2009 writel(BFI_IOC_INITING, ioc->ioc_regs.alt_ioc_fwstate); 2010 } 2011 2012 bfa_ioc_msgflush(ioc); 2013 bfa_ioc_download_fw(ioc, boot_type, boot_env); 2014 bfa_ioc_lpu_start(ioc); 2015 } 2016 2017 /* 2018 * Enable/disable IOC failure auto recovery. 2019 */ 2020 void 2021 bfa_ioc_auto_recover(bfa_boolean_t auto_recover) 2022 { 2023 bfa_auto_recover = auto_recover; 2024 } 2025 2026 2027 2028 bfa_boolean_t 2029 bfa_ioc_is_operational(struct bfa_ioc_s *ioc) 2030 { 2031 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); 2032 } 2033 2034 bfa_boolean_t 2035 bfa_ioc_is_initialized(struct bfa_ioc_s *ioc) 2036 { 2037 u32 r32 = readl(ioc->ioc_regs.ioc_fwstate); 2038 2039 return ((r32 != BFI_IOC_UNINIT) && 2040 (r32 != BFI_IOC_INITING) && 2041 (r32 != BFI_IOC_MEMTEST)); 2042 } 2043 2044 bfa_boolean_t 2045 bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) 2046 { 2047 __be32 *msgp = mbmsg; 2048 u32 r32; 2049 int i; 2050 2051 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 2052 if ((r32 & 1) == 0) 2053 return BFA_FALSE; 2054 2055 /* 2056 * read the MBOX msg 2057 */ 2058 for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); 2059 i++) { 2060 r32 = readl(ioc->ioc_regs.lpu_mbox + 2061 i * sizeof(u32)); 2062 msgp[i] = cpu_to_be32(r32); 2063 } 2064 2065 /* 2066 * turn off mailbox interrupt by clearing mailbox status 2067 */ 2068 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 2069 readl(ioc->ioc_regs.lpu_mbox_cmd); 2070 2071 return BFA_TRUE; 2072 } 2073 2074 void 2075 bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) 2076 { 2077 union bfi_ioc_i2h_msg_u *msg; 2078 struct bfa_iocpf_s *iocpf = &ioc->iocpf; 2079 2080 msg = (union bfi_ioc_i2h_msg_u *) m; 2081 2082 bfa_ioc_stats(ioc, ioc_isrs); 2083 2084 switch (msg->mh.msg_id) { 2085 case BFI_IOC_I2H_HBEAT: 2086 break; 2087 2088 case BFI_IOC_I2H_ENABLE_REPLY: 2089 ioc->port_mode = ioc->port_mode_cfg = 2090 (enum bfa_mode_s)msg->fw_event.port_mode; 2091 ioc->ad_cap_bm = msg->fw_event.cap_bm; 2092 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); 2093 break; 2094 2095 case BFI_IOC_I2H_DISABLE_REPLY: 2096 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); 2097 break; 2098 2099 case BFI_IOC_I2H_GETATTR_REPLY: 2100 bfa_ioc_getattr_reply(ioc); 2101 break; 2102 2103 default: 2104 bfa_trc(ioc, msg->mh.msg_id); 2105 WARN_ON(1); 2106 } 2107 } 2108 2109 /* 2110 * IOC attach time initialization and setup. 2111 * 2112 * @param[in] ioc memory for IOC 2113 * @param[in] bfa driver instance structure 2114 */ 2115 void 2116 bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, 2117 struct bfa_timer_mod_s *timer_mod) 2118 { 2119 ioc->bfa = bfa; 2120 ioc->cbfn = cbfn; 2121 ioc->timer_mod = timer_mod; 2122 ioc->fcmode = BFA_FALSE; 2123 ioc->pllinit = BFA_FALSE; 2124 ioc->dbg_fwsave_once = BFA_TRUE; 2125 ioc->iocpf.ioc = ioc; 2126 2127 bfa_ioc_mbox_attach(ioc); 2128 INIT_LIST_HEAD(&ioc->notify_q); 2129 2130 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 2131 bfa_fsm_send_event(ioc, IOC_E_RESET); 2132 } 2133 2134 /* 2135 * Driver detach time IOC cleanup. 2136 */ 2137 void 2138 bfa_ioc_detach(struct bfa_ioc_s *ioc) 2139 { 2140 bfa_fsm_send_event(ioc, IOC_E_DETACH); 2141 INIT_LIST_HEAD(&ioc->notify_q); 2142 } 2143 2144 /* 2145 * Setup IOC PCI properties. 2146 * 2147 * @param[in] pcidev PCI device information for this IOC 2148 */ 2149 void 2150 bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, 2151 enum bfi_pcifn_class clscode) 2152 { 2153 ioc->clscode = clscode; 2154 ioc->pcidev = *pcidev; 2155 2156 /* 2157 * Initialize IOC and device personality 2158 */ 2159 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC; 2160 ioc->asic_mode = BFI_ASIC_MODE_FC; 2161 2162 switch (pcidev->device_id) { 2163 case BFA_PCI_DEVICE_ID_FC_8G1P: 2164 case BFA_PCI_DEVICE_ID_FC_8G2P: 2165 ioc->asic_gen = BFI_ASIC_GEN_CB; 2166 ioc->fcmode = BFA_TRUE; 2167 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2168 ioc->ad_cap_bm = BFA_CM_HBA; 2169 break; 2170 2171 case BFA_PCI_DEVICE_ID_CT: 2172 ioc->asic_gen = BFI_ASIC_GEN_CT; 2173 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2174 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2175 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA; 2176 ioc->ad_cap_bm = BFA_CM_CNA; 2177 break; 2178 2179 case BFA_PCI_DEVICE_ID_CT_FC: 2180 ioc->asic_gen = BFI_ASIC_GEN_CT; 2181 ioc->fcmode = BFA_TRUE; 2182 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2183 ioc->ad_cap_bm = BFA_CM_HBA; 2184 break; 2185 2186 case BFA_PCI_DEVICE_ID_CT2: 2187 ioc->asic_gen = BFI_ASIC_GEN_CT2; 2188 if (clscode == BFI_PCIFN_CLASS_FC && 2189 pcidev->ssid == BFA_PCI_CT2_SSID_FC) { 2190 ioc->asic_mode = BFI_ASIC_MODE_FC16; 2191 ioc->fcmode = BFA_TRUE; 2192 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2193 ioc->ad_cap_bm = BFA_CM_HBA; 2194 } else { 2195 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2196 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2197 if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) { 2198 ioc->port_mode = 2199 ioc->port_mode_cfg = BFA_MODE_CNA; 2200 ioc->ad_cap_bm = BFA_CM_CNA; 2201 } else { 2202 ioc->port_mode = 2203 ioc->port_mode_cfg = BFA_MODE_NIC; 2204 ioc->ad_cap_bm = BFA_CM_NIC; 2205 } 2206 } 2207 break; 2208 2209 default: 2210 WARN_ON(1); 2211 } 2212 2213 /* 2214 * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c 2215 */ 2216 if (ioc->asic_gen == BFI_ASIC_GEN_CB) 2217 bfa_ioc_set_cb_hwif(ioc); 2218 else if (ioc->asic_gen == BFI_ASIC_GEN_CT) 2219 bfa_ioc_set_ct_hwif(ioc); 2220 else { 2221 WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2); 2222 bfa_ioc_set_ct2_hwif(ioc); 2223 bfa_ioc_ct2_poweron(ioc); 2224 } 2225 2226 bfa_ioc_map_port(ioc); 2227 bfa_ioc_reg_init(ioc); 2228 } 2229 2230 /* 2231 * Initialize IOC dma memory 2232 * 2233 * @param[in] dm_kva kernel virtual address of IOC dma memory 2234 * @param[in] dm_pa physical address of IOC dma memory 2235 */ 2236 void 2237 bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) 2238 { 2239 /* 2240 * dma memory for firmware attribute 2241 */ 2242 ioc->attr_dma.kva = dm_kva; 2243 ioc->attr_dma.pa = dm_pa; 2244 ioc->attr = (struct bfi_ioc_attr_s *) dm_kva; 2245 } 2246 2247 void 2248 bfa_ioc_enable(struct bfa_ioc_s *ioc) 2249 { 2250 bfa_ioc_stats(ioc, ioc_enables); 2251 ioc->dbg_fwsave_once = BFA_TRUE; 2252 2253 bfa_fsm_send_event(ioc, IOC_E_ENABLE); 2254 } 2255 2256 void 2257 bfa_ioc_disable(struct bfa_ioc_s *ioc) 2258 { 2259 bfa_ioc_stats(ioc, ioc_disables); 2260 bfa_fsm_send_event(ioc, IOC_E_DISABLE); 2261 } 2262 2263 2264 /* 2265 * Initialize memory for saving firmware trace. Driver must initialize 2266 * trace memory before call bfa_ioc_enable(). 2267 */ 2268 void 2269 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave) 2270 { 2271 ioc->dbg_fwsave = dbg_fwsave; 2272 ioc->dbg_fwsave_len = (ioc->iocpf.auto_recover) ? BFA_DBG_FWTRC_LEN : 0; 2273 } 2274 2275 /* 2276 * Register mailbox message handler functions 2277 * 2278 * @param[in] ioc IOC instance 2279 * @param[in] mcfuncs message class handler functions 2280 */ 2281 void 2282 bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs) 2283 { 2284 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2285 int mc; 2286 2287 for (mc = 0; mc < BFI_MC_MAX; mc++) 2288 mod->mbhdlr[mc].cbfn = mcfuncs[mc]; 2289 } 2290 2291 /* 2292 * Register mailbox message handler function, to be called by common modules 2293 */ 2294 void 2295 bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, 2296 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) 2297 { 2298 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2299 2300 mod->mbhdlr[mc].cbfn = cbfn; 2301 mod->mbhdlr[mc].cbarg = cbarg; 2302 } 2303 2304 /* 2305 * Queue a mailbox command request to firmware. Waits if mailbox is busy. 2306 * Responsibility of caller to serialize 2307 * 2308 * @param[in] ioc IOC instance 2309 * @param[i] cmd Mailbox command 2310 */ 2311 void 2312 bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) 2313 { 2314 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2315 u32 stat; 2316 2317 /* 2318 * If a previous command is pending, queue new command 2319 */ 2320 if (!list_empty(&mod->cmd_q)) { 2321 list_add_tail(&cmd->qe, &mod->cmd_q); 2322 return; 2323 } 2324 2325 /* 2326 * If mailbox is busy, queue command for poll timer 2327 */ 2328 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 2329 if (stat) { 2330 list_add_tail(&cmd->qe, &mod->cmd_q); 2331 return; 2332 } 2333 2334 /* 2335 * mailbox is free -- queue command to firmware 2336 */ 2337 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 2338 } 2339 2340 /* 2341 * Handle mailbox interrupts 2342 */ 2343 void 2344 bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc) 2345 { 2346 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2347 struct bfi_mbmsg_s m; 2348 int mc; 2349 2350 if (bfa_ioc_msgget(ioc, &m)) { 2351 /* 2352 * Treat IOC message class as special. 2353 */ 2354 mc = m.mh.msg_class; 2355 if (mc == BFI_MC_IOC) { 2356 bfa_ioc_isr(ioc, &m); 2357 return; 2358 } 2359 2360 if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) 2361 return; 2362 2363 mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); 2364 } 2365 2366 bfa_ioc_lpu_read_stat(ioc); 2367 2368 /* 2369 * Try to send pending mailbox commands 2370 */ 2371 bfa_ioc_mbox_poll(ioc); 2372 } 2373 2374 void 2375 bfa_ioc_error_isr(struct bfa_ioc_s *ioc) 2376 { 2377 bfa_ioc_stats(ioc, ioc_hbfails); 2378 ioc->stats.hb_count = ioc->hb_count; 2379 bfa_fsm_send_event(ioc, IOC_E_HWERROR); 2380 } 2381 2382 /* 2383 * return true if IOC is disabled 2384 */ 2385 bfa_boolean_t 2386 bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) 2387 { 2388 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || 2389 bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); 2390 } 2391 2392 /* 2393 * return true if IOC firmware is different. 2394 */ 2395 bfa_boolean_t 2396 bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) 2397 { 2398 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) || 2399 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_fwcheck) || 2400 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch); 2401 } 2402 2403 #define bfa_ioc_state_disabled(__sm) \ 2404 (((__sm) == BFI_IOC_UNINIT) || \ 2405 ((__sm) == BFI_IOC_INITING) || \ 2406 ((__sm) == BFI_IOC_HWINIT) || \ 2407 ((__sm) == BFI_IOC_DISABLED) || \ 2408 ((__sm) == BFI_IOC_FAIL) || \ 2409 ((__sm) == BFI_IOC_CFG_DISABLED)) 2410 2411 /* 2412 * Check if adapter is disabled -- both IOCs should be in a disabled 2413 * state. 2414 */ 2415 bfa_boolean_t 2416 bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc) 2417 { 2418 u32 ioc_state; 2419 2420 if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) 2421 return BFA_FALSE; 2422 2423 ioc_state = readl(ioc->ioc_regs.ioc_fwstate); 2424 if (!bfa_ioc_state_disabled(ioc_state)) 2425 return BFA_FALSE; 2426 2427 if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) { 2428 ioc_state = readl(ioc->ioc_regs.alt_ioc_fwstate); 2429 if (!bfa_ioc_state_disabled(ioc_state)) 2430 return BFA_FALSE; 2431 } 2432 2433 return BFA_TRUE; 2434 } 2435 2436 /* 2437 * Reset IOC fwstate registers. 2438 */ 2439 void 2440 bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc) 2441 { 2442 writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate); 2443 writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate); 2444 } 2445 2446 #define BFA_MFG_NAME "Brocade" 2447 void 2448 bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, 2449 struct bfa_adapter_attr_s *ad_attr) 2450 { 2451 struct bfi_ioc_attr_s *ioc_attr; 2452 2453 ioc_attr = ioc->attr; 2454 2455 bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); 2456 bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); 2457 bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); 2458 bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); 2459 memcpy(&ad_attr->vpd, &ioc_attr->vpd, 2460 sizeof(struct bfa_mfg_vpd_s)); 2461 2462 ad_attr->nports = bfa_ioc_get_nports(ioc); 2463 ad_attr->max_speed = bfa_ioc_speed_sup(ioc); 2464 2465 bfa_ioc_get_adapter_model(ioc, ad_attr->model); 2466 /* For now, model descr uses same model string */ 2467 bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); 2468 2469 ad_attr->card_type = ioc_attr->card_type; 2470 ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); 2471 2472 if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) 2473 ad_attr->prototype = 1; 2474 else 2475 ad_attr->prototype = 0; 2476 2477 ad_attr->pwwn = ioc->attr->pwwn; 2478 ad_attr->mac = bfa_ioc_get_mac(ioc); 2479 2480 ad_attr->pcie_gen = ioc_attr->pcie_gen; 2481 ad_attr->pcie_lanes = ioc_attr->pcie_lanes; 2482 ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; 2483 ad_attr->asic_rev = ioc_attr->asic_rev; 2484 2485 bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); 2486 2487 ad_attr->cna_capable = bfa_ioc_is_cna(ioc); 2488 ad_attr->trunk_capable = (ad_attr->nports > 1) && 2489 !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz; 2490 } 2491 2492 enum bfa_ioc_type_e 2493 bfa_ioc_get_type(struct bfa_ioc_s *ioc) 2494 { 2495 if (ioc->clscode == BFI_PCIFN_CLASS_ETH) 2496 return BFA_IOC_TYPE_LL; 2497 2498 WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC); 2499 2500 return (ioc->attr->port_mode == BFI_PORT_MODE_FC) 2501 ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE; 2502 } 2503 2504 void 2505 bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num) 2506 { 2507 memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); 2508 memcpy((void *)serial_num, 2509 (void *)ioc->attr->brcd_serialnum, 2510 BFA_ADAPTER_SERIAL_NUM_LEN); 2511 } 2512 2513 void 2514 bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver) 2515 { 2516 memset((void *)fw_ver, 0, BFA_VERSION_LEN); 2517 memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); 2518 } 2519 2520 void 2521 bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) 2522 { 2523 WARN_ON(!chip_rev); 2524 2525 memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN); 2526 2527 chip_rev[0] = 'R'; 2528 chip_rev[1] = 'e'; 2529 chip_rev[2] = 'v'; 2530 chip_rev[3] = '-'; 2531 chip_rev[4] = ioc->attr->asic_rev; 2532 chip_rev[5] = '\0'; 2533 } 2534 2535 void 2536 bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver) 2537 { 2538 memset((void *)optrom_ver, 0, BFA_VERSION_LEN); 2539 memcpy(optrom_ver, ioc->attr->optrom_version, 2540 BFA_VERSION_LEN); 2541 } 2542 2543 void 2544 bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer) 2545 { 2546 memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); 2547 memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); 2548 } 2549 2550 void 2551 bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model) 2552 { 2553 struct bfi_ioc_attr_s *ioc_attr; 2554 2555 WARN_ON(!model); 2556 memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); 2557 2558 ioc_attr = ioc->attr; 2559 2560 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", 2561 BFA_MFG_NAME, ioc_attr->card_type); 2562 } 2563 2564 enum bfa_ioc_state 2565 bfa_ioc_get_state(struct bfa_ioc_s *ioc) 2566 { 2567 enum bfa_iocpf_state iocpf_st; 2568 enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); 2569 2570 if (ioc_st == BFA_IOC_ENABLING || 2571 ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { 2572 2573 iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); 2574 2575 switch (iocpf_st) { 2576 case BFA_IOCPF_SEMWAIT: 2577 ioc_st = BFA_IOC_SEMWAIT; 2578 break; 2579 2580 case BFA_IOCPF_HWINIT: 2581 ioc_st = BFA_IOC_HWINIT; 2582 break; 2583 2584 case BFA_IOCPF_FWMISMATCH: 2585 ioc_st = BFA_IOC_FWMISMATCH; 2586 break; 2587 2588 case BFA_IOCPF_FAIL: 2589 ioc_st = BFA_IOC_FAIL; 2590 break; 2591 2592 case BFA_IOCPF_INITFAIL: 2593 ioc_st = BFA_IOC_INITFAIL; 2594 break; 2595 2596 default: 2597 break; 2598 } 2599 } 2600 2601 return ioc_st; 2602 } 2603 2604 void 2605 bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) 2606 { 2607 memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); 2608 2609 ioc_attr->state = bfa_ioc_get_state(ioc); 2610 ioc_attr->port_id = ioc->port_id; 2611 ioc_attr->port_mode = ioc->port_mode; 2612 ioc_attr->port_mode_cfg = ioc->port_mode_cfg; 2613 ioc_attr->cap_bm = ioc->ad_cap_bm; 2614 2615 ioc_attr->ioc_type = bfa_ioc_get_type(ioc); 2616 2617 bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); 2618 2619 ioc_attr->pci_attr.device_id = ioc->pcidev.device_id; 2620 ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func; 2621 bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); 2622 } 2623 2624 mac_t 2625 bfa_ioc_get_mac(struct bfa_ioc_s *ioc) 2626 { 2627 /* 2628 * Check the IOC type and return the appropriate MAC 2629 */ 2630 if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE) 2631 return ioc->attr->fcoe_mac; 2632 else 2633 return ioc->attr->mac; 2634 } 2635 2636 mac_t 2637 bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc) 2638 { 2639 mac_t m; 2640 2641 m = ioc->attr->mfg_mac; 2642 if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type)) 2643 m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); 2644 else 2645 bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]), 2646 bfa_ioc_pcifn(ioc)); 2647 2648 return m; 2649 } 2650 2651 /* 2652 * Send AEN notification 2653 */ 2654 void 2655 bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) 2656 { 2657 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2658 struct bfa_aen_entry_s *aen_entry; 2659 enum bfa_ioc_type_e ioc_type; 2660 2661 bfad_get_aen_entry(bfad, aen_entry); 2662 if (!aen_entry) 2663 return; 2664 2665 ioc_type = bfa_ioc_get_type(ioc); 2666 switch (ioc_type) { 2667 case BFA_IOC_TYPE_FC: 2668 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2669 break; 2670 case BFA_IOC_TYPE_FCoE: 2671 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2672 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2673 break; 2674 case BFA_IOC_TYPE_LL: 2675 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2676 break; 2677 default: 2678 WARN_ON(ioc_type != BFA_IOC_TYPE_FC); 2679 break; 2680 } 2681 2682 /* Send the AEN notification */ 2683 aen_entry->aen_data.ioc.ioc_type = ioc_type; 2684 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 2685 BFA_AEN_CAT_IOC, event); 2686 } 2687 2688 /* 2689 * Retrieve saved firmware trace from a prior IOC failure. 2690 */ 2691 bfa_status_t 2692 bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2693 { 2694 int tlen; 2695 2696 if (ioc->dbg_fwsave_len == 0) 2697 return BFA_STATUS_ENOFSAVE; 2698 2699 tlen = *trclen; 2700 if (tlen > ioc->dbg_fwsave_len) 2701 tlen = ioc->dbg_fwsave_len; 2702 2703 memcpy(trcdata, ioc->dbg_fwsave, tlen); 2704 *trclen = tlen; 2705 return BFA_STATUS_OK; 2706 } 2707 2708 2709 /* 2710 * Retrieve saved firmware trace from a prior IOC failure. 2711 */ 2712 bfa_status_t 2713 bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2714 { 2715 u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); 2716 int tlen; 2717 bfa_status_t status; 2718 2719 bfa_trc(ioc, *trclen); 2720 2721 tlen = *trclen; 2722 if (tlen > BFA_DBG_FWTRC_LEN) 2723 tlen = BFA_DBG_FWTRC_LEN; 2724 2725 status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen); 2726 *trclen = tlen; 2727 return status; 2728 } 2729 2730 static void 2731 bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc) 2732 { 2733 struct bfa_mbox_cmd_s cmd; 2734 struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg; 2735 2736 bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC, 2737 bfa_ioc_portid(ioc)); 2738 req->clscode = cpu_to_be16(ioc->clscode); 2739 bfa_ioc_mbox_queue(ioc, &cmd); 2740 } 2741 2742 static void 2743 bfa_ioc_fwsync(struct bfa_ioc_s *ioc) 2744 { 2745 u32 fwsync_iter = 1000; 2746 2747 bfa_ioc_send_fwsync(ioc); 2748 2749 /* 2750 * After sending a fw sync mbox command wait for it to 2751 * take effect. We will not wait for a response because 2752 * 1. fw_sync mbox cmd doesn't have a response. 2753 * 2. Even if we implement that, interrupts might not 2754 * be enabled when we call this function. 2755 * So, just keep checking if any mbox cmd is pending, and 2756 * after waiting for a reasonable amount of time, go ahead. 2757 * It is possible that fw has crashed and the mbox command 2758 * is never acknowledged. 2759 */ 2760 while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0) 2761 fwsync_iter--; 2762 } 2763 2764 /* 2765 * Dump firmware smem 2766 */ 2767 bfa_status_t 2768 bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf, 2769 u32 *offset, int *buflen) 2770 { 2771 u32 loff; 2772 int dlen; 2773 bfa_status_t status; 2774 u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc); 2775 2776 if (*offset >= smem_len) { 2777 *offset = *buflen = 0; 2778 return BFA_STATUS_EINVAL; 2779 } 2780 2781 loff = *offset; 2782 dlen = *buflen; 2783 2784 /* 2785 * First smem read, sync smem before proceeding 2786 * No need to sync before reading every chunk. 2787 */ 2788 if (loff == 0) 2789 bfa_ioc_fwsync(ioc); 2790 2791 if ((loff + dlen) >= smem_len) 2792 dlen = smem_len - loff; 2793 2794 status = bfa_ioc_smem_read(ioc, buf, loff, dlen); 2795 2796 if (status != BFA_STATUS_OK) { 2797 *offset = *buflen = 0; 2798 return status; 2799 } 2800 2801 *offset += dlen; 2802 2803 if (*offset >= smem_len) 2804 *offset = 0; 2805 2806 *buflen = dlen; 2807 2808 return status; 2809 } 2810 2811 /* 2812 * Firmware statistics 2813 */ 2814 bfa_status_t 2815 bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats) 2816 { 2817 u32 loff = BFI_IOC_FWSTATS_OFF + \ 2818 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 2819 int tlen; 2820 bfa_status_t status; 2821 2822 if (ioc->stats_busy) { 2823 bfa_trc(ioc, ioc->stats_busy); 2824 return BFA_STATUS_DEVBUSY; 2825 } 2826 ioc->stats_busy = BFA_TRUE; 2827 2828 tlen = sizeof(struct bfa_fw_stats_s); 2829 status = bfa_ioc_smem_read(ioc, stats, loff, tlen); 2830 2831 ioc->stats_busy = BFA_FALSE; 2832 return status; 2833 } 2834 2835 bfa_status_t 2836 bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc) 2837 { 2838 u32 loff = BFI_IOC_FWSTATS_OFF + \ 2839 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 2840 int tlen; 2841 bfa_status_t status; 2842 2843 if (ioc->stats_busy) { 2844 bfa_trc(ioc, ioc->stats_busy); 2845 return BFA_STATUS_DEVBUSY; 2846 } 2847 ioc->stats_busy = BFA_TRUE; 2848 2849 tlen = sizeof(struct bfa_fw_stats_s); 2850 status = bfa_ioc_smem_clr(ioc, loff, tlen); 2851 2852 ioc->stats_busy = BFA_FALSE; 2853 return status; 2854 } 2855 2856 /* 2857 * Save firmware trace if configured. 2858 */ 2859 static void 2860 bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc) 2861 { 2862 int tlen; 2863 2864 if (ioc->dbg_fwsave_once) { 2865 ioc->dbg_fwsave_once = BFA_FALSE; 2866 if (ioc->dbg_fwsave_len) { 2867 tlen = ioc->dbg_fwsave_len; 2868 bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); 2869 } 2870 } 2871 } 2872 2873 /* 2874 * Firmware failure detected. Start recovery actions. 2875 */ 2876 static void 2877 bfa_ioc_recover(struct bfa_ioc_s *ioc) 2878 { 2879 bfa_ioc_stats(ioc, ioc_hbfails); 2880 ioc->stats.hb_count = ioc->hb_count; 2881 bfa_fsm_send_event(ioc, IOC_E_HBFAIL); 2882 } 2883 2884 /* 2885 * BFA IOC PF private functions 2886 */ 2887 static void 2888 bfa_iocpf_timeout(void *ioc_arg) 2889 { 2890 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 2891 2892 bfa_trc(ioc, 0); 2893 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); 2894 } 2895 2896 static void 2897 bfa_iocpf_sem_timeout(void *ioc_arg) 2898 { 2899 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 2900 2901 bfa_ioc_hw_sem_get(ioc); 2902 } 2903 2904 static void 2905 bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc) 2906 { 2907 u32 fwstate = readl(ioc->ioc_regs.ioc_fwstate); 2908 2909 bfa_trc(ioc, fwstate); 2910 2911 if (fwstate == BFI_IOC_DISABLED) { 2912 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 2913 return; 2914 } 2915 2916 if (ioc->iocpf.poll_time >= BFA_IOC_TOV) 2917 bfa_iocpf_timeout(ioc); 2918 else { 2919 ioc->iocpf.poll_time += BFA_IOC_POLL_TOV; 2920 bfa_iocpf_poll_timer_start(ioc); 2921 } 2922 } 2923 2924 static void 2925 bfa_iocpf_poll_timeout(void *ioc_arg) 2926 { 2927 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 2928 2929 bfa_ioc_poll_fwinit(ioc); 2930 } 2931 2932 /* 2933 * bfa timer function 2934 */ 2935 void 2936 bfa_timer_beat(struct bfa_timer_mod_s *mod) 2937 { 2938 struct list_head *qh = &mod->timer_q; 2939 struct list_head *qe, *qe_next; 2940 struct bfa_timer_s *elem; 2941 struct list_head timedout_q; 2942 2943 INIT_LIST_HEAD(&timedout_q); 2944 2945 qe = bfa_q_next(qh); 2946 2947 while (qe != qh) { 2948 qe_next = bfa_q_next(qe); 2949 2950 elem = (struct bfa_timer_s *) qe; 2951 if (elem->timeout <= BFA_TIMER_FREQ) { 2952 elem->timeout = 0; 2953 list_del(&elem->qe); 2954 list_add_tail(&elem->qe, &timedout_q); 2955 } else { 2956 elem->timeout -= BFA_TIMER_FREQ; 2957 } 2958 2959 qe = qe_next; /* go to next elem */ 2960 } 2961 2962 /* 2963 * Pop all the timeout entries 2964 */ 2965 while (!list_empty(&timedout_q)) { 2966 bfa_q_deq(&timedout_q, &elem); 2967 elem->timercb(elem->arg); 2968 } 2969 } 2970 2971 /* 2972 * Should be called with lock protection 2973 */ 2974 void 2975 bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, 2976 void (*timercb) (void *), void *arg, unsigned int timeout) 2977 { 2978 2979 WARN_ON(timercb == NULL); 2980 WARN_ON(bfa_q_is_on_q(&mod->timer_q, timer)); 2981 2982 timer->timeout = timeout; 2983 timer->timercb = timercb; 2984 timer->arg = arg; 2985 2986 list_add_tail(&timer->qe, &mod->timer_q); 2987 } 2988 2989 /* 2990 * Should be called with lock protection 2991 */ 2992 void 2993 bfa_timer_stop(struct bfa_timer_s *timer) 2994 { 2995 WARN_ON(list_empty(&timer->qe)); 2996 2997 list_del(&timer->qe); 2998 } 2999 3000 /* 3001 * ASIC block related 3002 */ 3003 static void 3004 bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg) 3005 { 3006 struct bfa_ablk_cfg_inst_s *cfg_inst; 3007 int i, j; 3008 u16 be16; 3009 u32 be32; 3010 3011 for (i = 0; i < BFA_ABLK_MAX; i++) { 3012 cfg_inst = &cfg->inst[i]; 3013 for (j = 0; j < BFA_ABLK_MAX_PFS; j++) { 3014 be16 = cfg_inst->pf_cfg[j].pers; 3015 cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16); 3016 be16 = cfg_inst->pf_cfg[j].num_qpairs; 3017 cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16); 3018 be16 = cfg_inst->pf_cfg[j].num_vectors; 3019 cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16); 3020 be32 = cfg_inst->pf_cfg[j].bw; 3021 cfg_inst->pf_cfg[j].bw = be16_to_cpu(be32); 3022 } 3023 } 3024 } 3025 3026 static void 3027 bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg) 3028 { 3029 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3030 struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg; 3031 bfa_ablk_cbfn_t cbfn; 3032 3033 WARN_ON(msg->mh.msg_class != BFI_MC_ABLK); 3034 bfa_trc(ablk->ioc, msg->mh.msg_id); 3035 3036 switch (msg->mh.msg_id) { 3037 case BFI_ABLK_I2H_QUERY: 3038 if (rsp->status == BFA_STATUS_OK) { 3039 memcpy(ablk->cfg, ablk->dma_addr.kva, 3040 sizeof(struct bfa_ablk_cfg_s)); 3041 bfa_ablk_config_swap(ablk->cfg); 3042 ablk->cfg = NULL; 3043 } 3044 break; 3045 3046 case BFI_ABLK_I2H_ADPT_CONFIG: 3047 case BFI_ABLK_I2H_PORT_CONFIG: 3048 /* update config port mode */ 3049 ablk->ioc->port_mode_cfg = rsp->port_mode; 3050 3051 case BFI_ABLK_I2H_PF_DELETE: 3052 case BFI_ABLK_I2H_PF_UPDATE: 3053 case BFI_ABLK_I2H_OPTROM_ENABLE: 3054 case BFI_ABLK_I2H_OPTROM_DISABLE: 3055 /* No-op */ 3056 break; 3057 3058 case BFI_ABLK_I2H_PF_CREATE: 3059 *(ablk->pcifn) = rsp->pcifn; 3060 ablk->pcifn = NULL; 3061 break; 3062 3063 default: 3064 WARN_ON(1); 3065 } 3066 3067 ablk->busy = BFA_FALSE; 3068 if (ablk->cbfn) { 3069 cbfn = ablk->cbfn; 3070 ablk->cbfn = NULL; 3071 cbfn(ablk->cbarg, rsp->status); 3072 } 3073 } 3074 3075 static void 3076 bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event) 3077 { 3078 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3079 3080 bfa_trc(ablk->ioc, event); 3081 3082 switch (event) { 3083 case BFA_IOC_E_ENABLED: 3084 WARN_ON(ablk->busy != BFA_FALSE); 3085 break; 3086 3087 case BFA_IOC_E_DISABLED: 3088 case BFA_IOC_E_FAILED: 3089 /* Fail any pending requests */ 3090 ablk->pcifn = NULL; 3091 if (ablk->busy) { 3092 if (ablk->cbfn) 3093 ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED); 3094 ablk->cbfn = NULL; 3095 ablk->busy = BFA_FALSE; 3096 } 3097 break; 3098 3099 default: 3100 WARN_ON(1); 3101 break; 3102 } 3103 } 3104 3105 u32 3106 bfa_ablk_meminfo(void) 3107 { 3108 return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ); 3109 } 3110 3111 void 3112 bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa) 3113 { 3114 ablk->dma_addr.kva = dma_kva; 3115 ablk->dma_addr.pa = dma_pa; 3116 } 3117 3118 void 3119 bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc) 3120 { 3121 ablk->ioc = ioc; 3122 3123 bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk); 3124 bfa_q_qe_init(&ablk->ioc_notify); 3125 bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk); 3126 list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q); 3127 } 3128 3129 bfa_status_t 3130 bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg, 3131 bfa_ablk_cbfn_t cbfn, void *cbarg) 3132 { 3133 struct bfi_ablk_h2i_query_s *m; 3134 3135 WARN_ON(!ablk_cfg); 3136 3137 if (!bfa_ioc_is_operational(ablk->ioc)) { 3138 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3139 return BFA_STATUS_IOC_FAILURE; 3140 } 3141 3142 if (ablk->busy) { 3143 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3144 return BFA_STATUS_DEVBUSY; 3145 } 3146 3147 ablk->cfg = ablk_cfg; 3148 ablk->cbfn = cbfn; 3149 ablk->cbarg = cbarg; 3150 ablk->busy = BFA_TRUE; 3151 3152 m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg; 3153 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY, 3154 bfa_ioc_portid(ablk->ioc)); 3155 bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa); 3156 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3157 3158 return BFA_STATUS_OK; 3159 } 3160 3161 bfa_status_t 3162 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn, 3163 u8 port, enum bfi_pcifn_class personality, int bw, 3164 bfa_ablk_cbfn_t cbfn, void *cbarg) 3165 { 3166 struct bfi_ablk_h2i_pf_req_s *m; 3167 3168 if (!bfa_ioc_is_operational(ablk->ioc)) { 3169 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3170 return BFA_STATUS_IOC_FAILURE; 3171 } 3172 3173 if (ablk->busy) { 3174 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3175 return BFA_STATUS_DEVBUSY; 3176 } 3177 3178 ablk->pcifn = pcifn; 3179 ablk->cbfn = cbfn; 3180 ablk->cbarg = cbarg; 3181 ablk->busy = BFA_TRUE; 3182 3183 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3184 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE, 3185 bfa_ioc_portid(ablk->ioc)); 3186 m->pers = cpu_to_be16((u16)personality); 3187 m->bw = cpu_to_be32(bw); 3188 m->port = port; 3189 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3190 3191 return BFA_STATUS_OK; 3192 } 3193 3194 bfa_status_t 3195 bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn, 3196 bfa_ablk_cbfn_t cbfn, void *cbarg) 3197 { 3198 struct bfi_ablk_h2i_pf_req_s *m; 3199 3200 if (!bfa_ioc_is_operational(ablk->ioc)) { 3201 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3202 return BFA_STATUS_IOC_FAILURE; 3203 } 3204 3205 if (ablk->busy) { 3206 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3207 return BFA_STATUS_DEVBUSY; 3208 } 3209 3210 ablk->cbfn = cbfn; 3211 ablk->cbarg = cbarg; 3212 ablk->busy = BFA_TRUE; 3213 3214 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3215 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE, 3216 bfa_ioc_portid(ablk->ioc)); 3217 m->pcifn = (u8)pcifn; 3218 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3219 3220 return BFA_STATUS_OK; 3221 } 3222 3223 bfa_status_t 3224 bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode, 3225 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3226 { 3227 struct bfi_ablk_h2i_cfg_req_s *m; 3228 3229 if (!bfa_ioc_is_operational(ablk->ioc)) { 3230 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3231 return BFA_STATUS_IOC_FAILURE; 3232 } 3233 3234 if (ablk->busy) { 3235 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3236 return BFA_STATUS_DEVBUSY; 3237 } 3238 3239 ablk->cbfn = cbfn; 3240 ablk->cbarg = cbarg; 3241 ablk->busy = BFA_TRUE; 3242 3243 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3244 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG, 3245 bfa_ioc_portid(ablk->ioc)); 3246 m->mode = (u8)mode; 3247 m->max_pf = (u8)max_pf; 3248 m->max_vf = (u8)max_vf; 3249 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3250 3251 return BFA_STATUS_OK; 3252 } 3253 3254 bfa_status_t 3255 bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode, 3256 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3257 { 3258 struct bfi_ablk_h2i_cfg_req_s *m; 3259 3260 if (!bfa_ioc_is_operational(ablk->ioc)) { 3261 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3262 return BFA_STATUS_IOC_FAILURE; 3263 } 3264 3265 if (ablk->busy) { 3266 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3267 return BFA_STATUS_DEVBUSY; 3268 } 3269 3270 ablk->cbfn = cbfn; 3271 ablk->cbarg = cbarg; 3272 ablk->busy = BFA_TRUE; 3273 3274 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3275 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG, 3276 bfa_ioc_portid(ablk->ioc)); 3277 m->port = (u8)port; 3278 m->mode = (u8)mode; 3279 m->max_pf = (u8)max_pf; 3280 m->max_vf = (u8)max_vf; 3281 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3282 3283 return BFA_STATUS_OK; 3284 } 3285 3286 bfa_status_t 3287 bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, int bw, 3288 bfa_ablk_cbfn_t cbfn, void *cbarg) 3289 { 3290 struct bfi_ablk_h2i_pf_req_s *m; 3291 3292 if (!bfa_ioc_is_operational(ablk->ioc)) { 3293 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3294 return BFA_STATUS_IOC_FAILURE; 3295 } 3296 3297 if (ablk->busy) { 3298 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3299 return BFA_STATUS_DEVBUSY; 3300 } 3301 3302 ablk->cbfn = cbfn; 3303 ablk->cbarg = cbarg; 3304 ablk->busy = BFA_TRUE; 3305 3306 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3307 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE, 3308 bfa_ioc_portid(ablk->ioc)); 3309 m->pcifn = (u8)pcifn; 3310 m->bw = cpu_to_be32(bw); 3311 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3312 3313 return BFA_STATUS_OK; 3314 } 3315 3316 bfa_status_t 3317 bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3318 { 3319 struct bfi_ablk_h2i_optrom_s *m; 3320 3321 if (!bfa_ioc_is_operational(ablk->ioc)) { 3322 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3323 return BFA_STATUS_IOC_FAILURE; 3324 } 3325 3326 if (ablk->busy) { 3327 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3328 return BFA_STATUS_DEVBUSY; 3329 } 3330 3331 ablk->cbfn = cbfn; 3332 ablk->cbarg = cbarg; 3333 ablk->busy = BFA_TRUE; 3334 3335 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3336 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE, 3337 bfa_ioc_portid(ablk->ioc)); 3338 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3339 3340 return BFA_STATUS_OK; 3341 } 3342 3343 bfa_status_t 3344 bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3345 { 3346 struct bfi_ablk_h2i_optrom_s *m; 3347 3348 if (!bfa_ioc_is_operational(ablk->ioc)) { 3349 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3350 return BFA_STATUS_IOC_FAILURE; 3351 } 3352 3353 if (ablk->busy) { 3354 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3355 return BFA_STATUS_DEVBUSY; 3356 } 3357 3358 ablk->cbfn = cbfn; 3359 ablk->cbarg = cbarg; 3360 ablk->busy = BFA_TRUE; 3361 3362 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3363 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE, 3364 bfa_ioc_portid(ablk->ioc)); 3365 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3366 3367 return BFA_STATUS_OK; 3368 } 3369 3370 /* 3371 * SFP module specific 3372 */ 3373 3374 /* forward declarations */ 3375 static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp); 3376 static void bfa_sfp_media_get(struct bfa_sfp_s *sfp); 3377 static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, 3378 enum bfa_port_speed portspeed); 3379 3380 static void 3381 bfa_cb_sfp_show(struct bfa_sfp_s *sfp) 3382 { 3383 bfa_trc(sfp, sfp->lock); 3384 if (sfp->cbfn) 3385 sfp->cbfn(sfp->cbarg, sfp->status); 3386 sfp->lock = 0; 3387 sfp->cbfn = NULL; 3388 } 3389 3390 static void 3391 bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp) 3392 { 3393 bfa_trc(sfp, sfp->portspeed); 3394 if (sfp->media) { 3395 bfa_sfp_media_get(sfp); 3396 if (sfp->state_query_cbfn) 3397 sfp->state_query_cbfn(sfp->state_query_cbarg, 3398 sfp->status); 3399 sfp->media = NULL; 3400 } 3401 3402 if (sfp->portspeed) { 3403 sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); 3404 if (sfp->state_query_cbfn) 3405 sfp->state_query_cbfn(sfp->state_query_cbarg, 3406 sfp->status); 3407 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 3408 } 3409 3410 sfp->state_query_lock = 0; 3411 sfp->state_query_cbfn = NULL; 3412 } 3413 3414 /* 3415 * IOC event handler. 3416 */ 3417 static void 3418 bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event) 3419 { 3420 struct bfa_sfp_s *sfp = sfp_arg; 3421 3422 bfa_trc(sfp, event); 3423 bfa_trc(sfp, sfp->lock); 3424 bfa_trc(sfp, sfp->state_query_lock); 3425 3426 switch (event) { 3427 case BFA_IOC_E_DISABLED: 3428 case BFA_IOC_E_FAILED: 3429 if (sfp->lock) { 3430 sfp->status = BFA_STATUS_IOC_FAILURE; 3431 bfa_cb_sfp_show(sfp); 3432 } 3433 3434 if (sfp->state_query_lock) { 3435 sfp->status = BFA_STATUS_IOC_FAILURE; 3436 bfa_cb_sfp_state_query(sfp); 3437 } 3438 break; 3439 3440 default: 3441 break; 3442 } 3443 } 3444 3445 /* 3446 * SFP's State Change Notification post to AEN 3447 */ 3448 static void 3449 bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp) 3450 { 3451 struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad; 3452 struct bfa_aen_entry_s *aen_entry; 3453 enum bfa_port_aen_event aen_evt = 0; 3454 3455 bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) | 3456 ((u64)rsp->event)); 3457 3458 bfad_get_aen_entry(bfad, aen_entry); 3459 if (!aen_entry) 3460 return; 3461 3462 aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc); 3463 aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn; 3464 aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc); 3465 3466 switch (rsp->event) { 3467 case BFA_SFP_SCN_INSERTED: 3468 aen_evt = BFA_PORT_AEN_SFP_INSERT; 3469 break; 3470 case BFA_SFP_SCN_REMOVED: 3471 aen_evt = BFA_PORT_AEN_SFP_REMOVE; 3472 break; 3473 case BFA_SFP_SCN_FAILED: 3474 aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR; 3475 break; 3476 case BFA_SFP_SCN_UNSUPPORT: 3477 aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT; 3478 break; 3479 case BFA_SFP_SCN_POM: 3480 aen_evt = BFA_PORT_AEN_SFP_POM; 3481 aen_entry->aen_data.port.level = rsp->pomlvl; 3482 break; 3483 default: 3484 bfa_trc(sfp, rsp->event); 3485 WARN_ON(1); 3486 } 3487 3488 /* Send the AEN notification */ 3489 bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq, 3490 BFA_AEN_CAT_PORT, aen_evt); 3491 } 3492 3493 /* 3494 * SFP get data send 3495 */ 3496 static void 3497 bfa_sfp_getdata_send(struct bfa_sfp_s *sfp) 3498 { 3499 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3500 3501 bfa_trc(sfp, req->memtype); 3502 3503 /* build host command */ 3504 bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW, 3505 bfa_ioc_portid(sfp->ioc)); 3506 3507 /* send mbox cmd */ 3508 bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd); 3509 } 3510 3511 /* 3512 * SFP is valid, read sfp data 3513 */ 3514 static void 3515 bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype) 3516 { 3517 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3518 3519 WARN_ON(sfp->lock != 0); 3520 bfa_trc(sfp, sfp->state); 3521 3522 sfp->lock = 1; 3523 sfp->memtype = memtype; 3524 req->memtype = memtype; 3525 3526 /* Setup SG list */ 3527 bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa); 3528 3529 bfa_sfp_getdata_send(sfp); 3530 } 3531 3532 /* 3533 * SFP scn handler 3534 */ 3535 static void 3536 bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3537 { 3538 struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg; 3539 3540 switch (rsp->event) { 3541 case BFA_SFP_SCN_INSERTED: 3542 sfp->state = BFA_SFP_STATE_INSERTED; 3543 sfp->data_valid = 0; 3544 bfa_sfp_scn_aen_post(sfp, rsp); 3545 break; 3546 case BFA_SFP_SCN_REMOVED: 3547 sfp->state = BFA_SFP_STATE_REMOVED; 3548 sfp->data_valid = 0; 3549 bfa_sfp_scn_aen_post(sfp, rsp); 3550 break; 3551 case BFA_SFP_SCN_FAILED: 3552 sfp->state = BFA_SFP_STATE_FAILED; 3553 sfp->data_valid = 0; 3554 bfa_sfp_scn_aen_post(sfp, rsp); 3555 break; 3556 case BFA_SFP_SCN_UNSUPPORT: 3557 sfp->state = BFA_SFP_STATE_UNSUPPORT; 3558 bfa_sfp_scn_aen_post(sfp, rsp); 3559 if (!sfp->lock) 3560 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3561 break; 3562 case BFA_SFP_SCN_POM: 3563 bfa_sfp_scn_aen_post(sfp, rsp); 3564 break; 3565 case BFA_SFP_SCN_VALID: 3566 sfp->state = BFA_SFP_STATE_VALID; 3567 if (!sfp->lock) 3568 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3569 break; 3570 default: 3571 bfa_trc(sfp, rsp->event); 3572 WARN_ON(1); 3573 } 3574 } 3575 3576 /* 3577 * SFP show complete 3578 */ 3579 static void 3580 bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3581 { 3582 struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg; 3583 3584 if (!sfp->lock) { 3585 /* 3586 * receiving response after ioc failure 3587 */ 3588 bfa_trc(sfp, sfp->lock); 3589 return; 3590 } 3591 3592 bfa_trc(sfp, rsp->status); 3593 if (rsp->status == BFA_STATUS_OK) { 3594 sfp->data_valid = 1; 3595 if (sfp->state == BFA_SFP_STATE_VALID) 3596 sfp->status = BFA_STATUS_OK; 3597 else if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3598 sfp->status = BFA_STATUS_SFP_UNSUPP; 3599 else 3600 bfa_trc(sfp, sfp->state); 3601 } else { 3602 sfp->data_valid = 0; 3603 sfp->status = rsp->status; 3604 /* sfpshow shouldn't change sfp state */ 3605 } 3606 3607 bfa_trc(sfp, sfp->memtype); 3608 if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) { 3609 bfa_trc(sfp, sfp->data_valid); 3610 if (sfp->data_valid) { 3611 u32 size = sizeof(struct sfp_mem_s); 3612 u8 *des = (u8 *) &(sfp->sfpmem->srlid_base); 3613 memcpy(des, sfp->dbuf_kva, size); 3614 } 3615 /* 3616 * Queue completion callback. 3617 */ 3618 bfa_cb_sfp_show(sfp); 3619 } else 3620 sfp->lock = 0; 3621 3622 bfa_trc(sfp, sfp->state_query_lock); 3623 if (sfp->state_query_lock) { 3624 sfp->state = rsp->state; 3625 /* Complete callback */ 3626 bfa_cb_sfp_state_query(sfp); 3627 } 3628 } 3629 3630 /* 3631 * SFP query fw sfp state 3632 */ 3633 static void 3634 bfa_sfp_state_query(struct bfa_sfp_s *sfp) 3635 { 3636 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3637 3638 /* Should not be doing query if not in _INIT state */ 3639 WARN_ON(sfp->state != BFA_SFP_STATE_INIT); 3640 WARN_ON(sfp->state_query_lock != 0); 3641 bfa_trc(sfp, sfp->state); 3642 3643 sfp->state_query_lock = 1; 3644 req->memtype = 0; 3645 3646 if (!sfp->lock) 3647 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3648 } 3649 3650 static void 3651 bfa_sfp_media_get(struct bfa_sfp_s *sfp) 3652 { 3653 enum bfa_defs_sfp_media_e *media = sfp->media; 3654 3655 *media = BFA_SFP_MEDIA_UNKNOWN; 3656 3657 if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3658 *media = BFA_SFP_MEDIA_UNSUPPORT; 3659 else if (sfp->state == BFA_SFP_STATE_VALID) { 3660 union sfp_xcvr_e10g_code_u e10g; 3661 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3662 u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 | 3663 (sfpmem->srlid_base.xcvr[5] >> 1); 3664 3665 e10g.b = sfpmem->srlid_base.xcvr[0]; 3666 bfa_trc(sfp, e10g.b); 3667 bfa_trc(sfp, xmtr_tech); 3668 /* check fc transmitter tech */ 3669 if ((xmtr_tech & SFP_XMTR_TECH_CU) || 3670 (xmtr_tech & SFP_XMTR_TECH_CP) || 3671 (xmtr_tech & SFP_XMTR_TECH_CA)) 3672 *media = BFA_SFP_MEDIA_CU; 3673 else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) || 3674 (xmtr_tech & SFP_XMTR_TECH_EL_INTER)) 3675 *media = BFA_SFP_MEDIA_EL; 3676 else if ((xmtr_tech & SFP_XMTR_TECH_LL) || 3677 (xmtr_tech & SFP_XMTR_TECH_LC)) 3678 *media = BFA_SFP_MEDIA_LW; 3679 else if ((xmtr_tech & SFP_XMTR_TECH_SL) || 3680 (xmtr_tech & SFP_XMTR_TECH_SN) || 3681 (xmtr_tech & SFP_XMTR_TECH_SA)) 3682 *media = BFA_SFP_MEDIA_SW; 3683 /* Check 10G Ethernet Compilance code */ 3684 else if (e10g.r.e10g_sr) 3685 *media = BFA_SFP_MEDIA_SW; 3686 else if (e10g.r.e10g_lrm && e10g.r.e10g_lr) 3687 *media = BFA_SFP_MEDIA_LW; 3688 else if (e10g.r.e10g_unall) 3689 *media = BFA_SFP_MEDIA_UNKNOWN; 3690 else 3691 bfa_trc(sfp, 0); 3692 } else 3693 bfa_trc(sfp, sfp->state); 3694 } 3695 3696 static bfa_status_t 3697 bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed) 3698 { 3699 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3700 struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr; 3701 union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3; 3702 union sfp_xcvr_e10g_code_u e10g = xcvr->e10g; 3703 3704 if (portspeed == BFA_PORT_SPEED_10GBPS) { 3705 if (e10g.r.e10g_sr || e10g.r.e10g_lr) 3706 return BFA_STATUS_OK; 3707 else { 3708 bfa_trc(sfp, e10g.b); 3709 return BFA_STATUS_UNSUPP_SPEED; 3710 } 3711 } 3712 if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) || 3713 ((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) || 3714 ((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) || 3715 ((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) || 3716 ((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100)) 3717 return BFA_STATUS_OK; 3718 else { 3719 bfa_trc(sfp, portspeed); 3720 bfa_trc(sfp, fc3.b); 3721 bfa_trc(sfp, e10g.b); 3722 return BFA_STATUS_UNSUPP_SPEED; 3723 } 3724 } 3725 3726 /* 3727 * SFP hmbox handler 3728 */ 3729 void 3730 bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg) 3731 { 3732 struct bfa_sfp_s *sfp = sfparg; 3733 3734 switch (msg->mh.msg_id) { 3735 case BFI_SFP_I2H_SHOW: 3736 bfa_sfp_show_comp(sfp, msg); 3737 break; 3738 3739 case BFI_SFP_I2H_SCN: 3740 bfa_sfp_scn(sfp, msg); 3741 break; 3742 3743 default: 3744 bfa_trc(sfp, msg->mh.msg_id); 3745 WARN_ON(1); 3746 } 3747 } 3748 3749 /* 3750 * Return DMA memory needed by sfp module. 3751 */ 3752 u32 3753 bfa_sfp_meminfo(void) 3754 { 3755 return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 3756 } 3757 3758 /* 3759 * Attach virtual and physical memory for SFP. 3760 */ 3761 void 3762 bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev, 3763 struct bfa_trc_mod_s *trcmod) 3764 { 3765 sfp->dev = dev; 3766 sfp->ioc = ioc; 3767 sfp->trcmod = trcmod; 3768 3769 sfp->cbfn = NULL; 3770 sfp->cbarg = NULL; 3771 sfp->sfpmem = NULL; 3772 sfp->lock = 0; 3773 sfp->data_valid = 0; 3774 sfp->state = BFA_SFP_STATE_INIT; 3775 sfp->state_query_lock = 0; 3776 sfp->state_query_cbfn = NULL; 3777 sfp->state_query_cbarg = NULL; 3778 sfp->media = NULL; 3779 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 3780 sfp->is_elb = BFA_FALSE; 3781 3782 bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp); 3783 bfa_q_qe_init(&sfp->ioc_notify); 3784 bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp); 3785 list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q); 3786 } 3787 3788 /* 3789 * Claim Memory for SFP 3790 */ 3791 void 3792 bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa) 3793 { 3794 sfp->dbuf_kva = dm_kva; 3795 sfp->dbuf_pa = dm_pa; 3796 memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s)); 3797 3798 dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 3799 dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 3800 } 3801 3802 /* 3803 * Show SFP eeprom content 3804 * 3805 * @param[in] sfp - bfa sfp module 3806 * 3807 * @param[out] sfpmem - sfp eeprom data 3808 * 3809 */ 3810 bfa_status_t 3811 bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem, 3812 bfa_cb_sfp_t cbfn, void *cbarg) 3813 { 3814 3815 if (!bfa_ioc_is_operational(sfp->ioc)) { 3816 bfa_trc(sfp, 0); 3817 return BFA_STATUS_IOC_NON_OP; 3818 } 3819 3820 if (sfp->lock) { 3821 bfa_trc(sfp, 0); 3822 return BFA_STATUS_DEVBUSY; 3823 } 3824 3825 sfp->cbfn = cbfn; 3826 sfp->cbarg = cbarg; 3827 sfp->sfpmem = sfpmem; 3828 3829 bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT); 3830 return BFA_STATUS_OK; 3831 } 3832 3833 /* 3834 * Return SFP Media type 3835 * 3836 * @param[in] sfp - bfa sfp module 3837 * 3838 * @param[out] media - port speed from user 3839 * 3840 */ 3841 bfa_status_t 3842 bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media, 3843 bfa_cb_sfp_t cbfn, void *cbarg) 3844 { 3845 if (!bfa_ioc_is_operational(sfp->ioc)) { 3846 bfa_trc(sfp, 0); 3847 return BFA_STATUS_IOC_NON_OP; 3848 } 3849 3850 sfp->media = media; 3851 if (sfp->state == BFA_SFP_STATE_INIT) { 3852 if (sfp->state_query_lock) { 3853 bfa_trc(sfp, 0); 3854 return BFA_STATUS_DEVBUSY; 3855 } else { 3856 sfp->state_query_cbfn = cbfn; 3857 sfp->state_query_cbarg = cbarg; 3858 bfa_sfp_state_query(sfp); 3859 return BFA_STATUS_SFP_NOT_READY; 3860 } 3861 } 3862 3863 bfa_sfp_media_get(sfp); 3864 return BFA_STATUS_OK; 3865 } 3866 3867 /* 3868 * Check if user set port speed is allowed by the SFP 3869 * 3870 * @param[in] sfp - bfa sfp module 3871 * @param[in] portspeed - port speed from user 3872 * 3873 */ 3874 bfa_status_t 3875 bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed, 3876 bfa_cb_sfp_t cbfn, void *cbarg) 3877 { 3878 WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN); 3879 3880 if (!bfa_ioc_is_operational(sfp->ioc)) 3881 return BFA_STATUS_IOC_NON_OP; 3882 3883 /* For Mezz card, all speed is allowed */ 3884 if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type)) 3885 return BFA_STATUS_OK; 3886 3887 /* Check SFP state */ 3888 sfp->portspeed = portspeed; 3889 if (sfp->state == BFA_SFP_STATE_INIT) { 3890 if (sfp->state_query_lock) { 3891 bfa_trc(sfp, 0); 3892 return BFA_STATUS_DEVBUSY; 3893 } else { 3894 sfp->state_query_cbfn = cbfn; 3895 sfp->state_query_cbarg = cbarg; 3896 bfa_sfp_state_query(sfp); 3897 return BFA_STATUS_SFP_NOT_READY; 3898 } 3899 } 3900 3901 if (sfp->state == BFA_SFP_STATE_REMOVED || 3902 sfp->state == BFA_SFP_STATE_FAILED) { 3903 bfa_trc(sfp, sfp->state); 3904 return BFA_STATUS_NO_SFP_DEV; 3905 } 3906 3907 if (sfp->state == BFA_SFP_STATE_INSERTED) { 3908 bfa_trc(sfp, sfp->state); 3909 return BFA_STATUS_DEVBUSY; /* sfp is reading data */ 3910 } 3911 3912 /* For eloopback, all speed is allowed */ 3913 if (sfp->is_elb) 3914 return BFA_STATUS_OK; 3915 3916 return bfa_sfp_speed_valid(sfp, portspeed); 3917 } 3918 3919 /* 3920 * Flash module specific 3921 */ 3922 3923 /* 3924 * FLASH DMA buffer should be big enough to hold both MFG block and 3925 * asic block(64k) at the same time and also should be 2k aligned to 3926 * avoid write segement to cross sector boundary. 3927 */ 3928 #define BFA_FLASH_SEG_SZ 2048 3929 #define BFA_FLASH_DMA_BUF_SZ \ 3930 BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ) 3931 3932 static void 3933 bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event, 3934 int inst, int type) 3935 { 3936 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 3937 struct bfa_aen_entry_s *aen_entry; 3938 3939 bfad_get_aen_entry(bfad, aen_entry); 3940 if (!aen_entry) 3941 return; 3942 3943 aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn; 3944 aen_entry->aen_data.audit.partition_inst = inst; 3945 aen_entry->aen_data.audit.partition_type = type; 3946 3947 /* Send the AEN notification */ 3948 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 3949 BFA_AEN_CAT_AUDIT, event); 3950 } 3951 3952 static void 3953 bfa_flash_cb(struct bfa_flash_s *flash) 3954 { 3955 flash->op_busy = 0; 3956 if (flash->cbfn) 3957 flash->cbfn(flash->cbarg, flash->status); 3958 } 3959 3960 static void 3961 bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event) 3962 { 3963 struct bfa_flash_s *flash = cbarg; 3964 3965 bfa_trc(flash, event); 3966 switch (event) { 3967 case BFA_IOC_E_DISABLED: 3968 case BFA_IOC_E_FAILED: 3969 if (flash->op_busy) { 3970 flash->status = BFA_STATUS_IOC_FAILURE; 3971 flash->cbfn(flash->cbarg, flash->status); 3972 flash->op_busy = 0; 3973 } 3974 break; 3975 3976 default: 3977 break; 3978 } 3979 } 3980 3981 /* 3982 * Send flash attribute query request. 3983 * 3984 * @param[in] cbarg - callback argument 3985 */ 3986 static void 3987 bfa_flash_query_send(void *cbarg) 3988 { 3989 struct bfa_flash_s *flash = cbarg; 3990 struct bfi_flash_query_req_s *msg = 3991 (struct bfi_flash_query_req_s *) flash->mb.msg; 3992 3993 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ, 3994 bfa_ioc_portid(flash->ioc)); 3995 bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s), 3996 flash->dbuf_pa); 3997 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 3998 } 3999 4000 /* 4001 * Send flash write request. 4002 * 4003 * @param[in] cbarg - callback argument 4004 */ 4005 static void 4006 bfa_flash_write_send(struct bfa_flash_s *flash) 4007 { 4008 struct bfi_flash_write_req_s *msg = 4009 (struct bfi_flash_write_req_s *) flash->mb.msg; 4010 u32 len; 4011 4012 msg->type = be32_to_cpu(flash->type); 4013 msg->instance = flash->instance; 4014 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4015 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4016 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4017 msg->length = be32_to_cpu(len); 4018 4019 /* indicate if it's the last msg of the whole write operation */ 4020 msg->last = (len == flash->residue) ? 1 : 0; 4021 4022 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ, 4023 bfa_ioc_portid(flash->ioc)); 4024 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4025 memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len); 4026 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4027 4028 flash->residue -= len; 4029 flash->offset += len; 4030 } 4031 4032 /* 4033 * Send flash read request. 4034 * 4035 * @param[in] cbarg - callback argument 4036 */ 4037 static void 4038 bfa_flash_read_send(void *cbarg) 4039 { 4040 struct bfa_flash_s *flash = cbarg; 4041 struct bfi_flash_read_req_s *msg = 4042 (struct bfi_flash_read_req_s *) flash->mb.msg; 4043 u32 len; 4044 4045 msg->type = be32_to_cpu(flash->type); 4046 msg->instance = flash->instance; 4047 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4048 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4049 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4050 msg->length = be32_to_cpu(len); 4051 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ, 4052 bfa_ioc_portid(flash->ioc)); 4053 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4054 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4055 } 4056 4057 /* 4058 * Send flash erase request. 4059 * 4060 * @param[in] cbarg - callback argument 4061 */ 4062 static void 4063 bfa_flash_erase_send(void *cbarg) 4064 { 4065 struct bfa_flash_s *flash = cbarg; 4066 struct bfi_flash_erase_req_s *msg = 4067 (struct bfi_flash_erase_req_s *) flash->mb.msg; 4068 4069 msg->type = be32_to_cpu(flash->type); 4070 msg->instance = flash->instance; 4071 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ, 4072 bfa_ioc_portid(flash->ioc)); 4073 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4074 } 4075 4076 /* 4077 * Process flash response messages upon receiving interrupts. 4078 * 4079 * @param[in] flasharg - flash structure 4080 * @param[in] msg - message structure 4081 */ 4082 static void 4083 bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg) 4084 { 4085 struct bfa_flash_s *flash = flasharg; 4086 u32 status; 4087 4088 union { 4089 struct bfi_flash_query_rsp_s *query; 4090 struct bfi_flash_erase_rsp_s *erase; 4091 struct bfi_flash_write_rsp_s *write; 4092 struct bfi_flash_read_rsp_s *read; 4093 struct bfi_flash_event_s *event; 4094 struct bfi_mbmsg_s *msg; 4095 } m; 4096 4097 m.msg = msg; 4098 bfa_trc(flash, msg->mh.msg_id); 4099 4100 if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) { 4101 /* receiving response after ioc failure */ 4102 bfa_trc(flash, 0x9999); 4103 return; 4104 } 4105 4106 switch (msg->mh.msg_id) { 4107 case BFI_FLASH_I2H_QUERY_RSP: 4108 status = be32_to_cpu(m.query->status); 4109 bfa_trc(flash, status); 4110 if (status == BFA_STATUS_OK) { 4111 u32 i; 4112 struct bfa_flash_attr_s *attr, *f; 4113 4114 attr = (struct bfa_flash_attr_s *) flash->ubuf; 4115 f = (struct bfa_flash_attr_s *) flash->dbuf_kva; 4116 attr->status = be32_to_cpu(f->status); 4117 attr->npart = be32_to_cpu(f->npart); 4118 bfa_trc(flash, attr->status); 4119 bfa_trc(flash, attr->npart); 4120 for (i = 0; i < attr->npart; i++) { 4121 attr->part[i].part_type = 4122 be32_to_cpu(f->part[i].part_type); 4123 attr->part[i].part_instance = 4124 be32_to_cpu(f->part[i].part_instance); 4125 attr->part[i].part_off = 4126 be32_to_cpu(f->part[i].part_off); 4127 attr->part[i].part_size = 4128 be32_to_cpu(f->part[i].part_size); 4129 attr->part[i].part_len = 4130 be32_to_cpu(f->part[i].part_len); 4131 attr->part[i].part_status = 4132 be32_to_cpu(f->part[i].part_status); 4133 } 4134 } 4135 flash->status = status; 4136 bfa_flash_cb(flash); 4137 break; 4138 case BFI_FLASH_I2H_ERASE_RSP: 4139 status = be32_to_cpu(m.erase->status); 4140 bfa_trc(flash, status); 4141 flash->status = status; 4142 bfa_flash_cb(flash); 4143 break; 4144 case BFI_FLASH_I2H_WRITE_RSP: 4145 status = be32_to_cpu(m.write->status); 4146 bfa_trc(flash, status); 4147 if (status != BFA_STATUS_OK || flash->residue == 0) { 4148 flash->status = status; 4149 bfa_flash_cb(flash); 4150 } else { 4151 bfa_trc(flash, flash->offset); 4152 bfa_flash_write_send(flash); 4153 } 4154 break; 4155 case BFI_FLASH_I2H_READ_RSP: 4156 status = be32_to_cpu(m.read->status); 4157 bfa_trc(flash, status); 4158 if (status != BFA_STATUS_OK) { 4159 flash->status = status; 4160 bfa_flash_cb(flash); 4161 } else { 4162 u32 len = be32_to_cpu(m.read->length); 4163 bfa_trc(flash, flash->offset); 4164 bfa_trc(flash, len); 4165 memcpy(flash->ubuf + flash->offset, 4166 flash->dbuf_kva, len); 4167 flash->residue -= len; 4168 flash->offset += len; 4169 if (flash->residue == 0) { 4170 flash->status = status; 4171 bfa_flash_cb(flash); 4172 } else 4173 bfa_flash_read_send(flash); 4174 } 4175 break; 4176 case BFI_FLASH_I2H_BOOT_VER_RSP: 4177 break; 4178 case BFI_FLASH_I2H_EVENT: 4179 status = be32_to_cpu(m.event->status); 4180 bfa_trc(flash, status); 4181 if (status == BFA_STATUS_BAD_FWCFG) 4182 bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR); 4183 else if (status == BFA_STATUS_INVALID_VENDOR) { 4184 u32 param; 4185 param = be32_to_cpu(m.event->param); 4186 bfa_trc(flash, param); 4187 bfa_ioc_aen_post(flash->ioc, 4188 BFA_IOC_AEN_INVALID_VENDOR); 4189 } 4190 break; 4191 4192 default: 4193 WARN_ON(1); 4194 } 4195 } 4196 4197 /* 4198 * Flash memory info API. 4199 * 4200 * @param[in] mincfg - minimal cfg variable 4201 */ 4202 u32 4203 bfa_flash_meminfo(bfa_boolean_t mincfg) 4204 { 4205 /* min driver doesn't need flash */ 4206 if (mincfg) 4207 return 0; 4208 return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4209 } 4210 4211 /* 4212 * Flash attach API. 4213 * 4214 * @param[in] flash - flash structure 4215 * @param[in] ioc - ioc structure 4216 * @param[in] dev - device structure 4217 * @param[in] trcmod - trace module 4218 * @param[in] logmod - log module 4219 */ 4220 void 4221 bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev, 4222 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 4223 { 4224 flash->ioc = ioc; 4225 flash->trcmod = trcmod; 4226 flash->cbfn = NULL; 4227 flash->cbarg = NULL; 4228 flash->op_busy = 0; 4229 4230 bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash); 4231 bfa_q_qe_init(&flash->ioc_notify); 4232 bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash); 4233 list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); 4234 4235 /* min driver doesn't need flash */ 4236 if (mincfg) { 4237 flash->dbuf_kva = NULL; 4238 flash->dbuf_pa = 0; 4239 } 4240 } 4241 4242 /* 4243 * Claim memory for flash 4244 * 4245 * @param[in] flash - flash structure 4246 * @param[in] dm_kva - pointer to virtual memory address 4247 * @param[in] dm_pa - physical memory address 4248 * @param[in] mincfg - minimal cfg variable 4249 */ 4250 void 4251 bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa, 4252 bfa_boolean_t mincfg) 4253 { 4254 if (mincfg) 4255 return; 4256 4257 flash->dbuf_kva = dm_kva; 4258 flash->dbuf_pa = dm_pa; 4259 memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ); 4260 dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4261 dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4262 } 4263 4264 /* 4265 * Get flash attribute. 4266 * 4267 * @param[in] flash - flash structure 4268 * @param[in] attr - flash attribute structure 4269 * @param[in] cbfn - callback function 4270 * @param[in] cbarg - callback argument 4271 * 4272 * Return status. 4273 */ 4274 bfa_status_t 4275 bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr, 4276 bfa_cb_flash_t cbfn, void *cbarg) 4277 { 4278 bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ); 4279 4280 if (!bfa_ioc_is_operational(flash->ioc)) 4281 return BFA_STATUS_IOC_NON_OP; 4282 4283 if (flash->op_busy) { 4284 bfa_trc(flash, flash->op_busy); 4285 return BFA_STATUS_DEVBUSY; 4286 } 4287 4288 flash->op_busy = 1; 4289 flash->cbfn = cbfn; 4290 flash->cbarg = cbarg; 4291 flash->ubuf = (u8 *) attr; 4292 bfa_flash_query_send(flash); 4293 4294 return BFA_STATUS_OK; 4295 } 4296 4297 /* 4298 * Erase flash partition. 4299 * 4300 * @param[in] flash - flash structure 4301 * @param[in] type - flash partition type 4302 * @param[in] instance - flash partition instance 4303 * @param[in] cbfn - callback function 4304 * @param[in] cbarg - callback argument 4305 * 4306 * Return status. 4307 */ 4308 bfa_status_t 4309 bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4310 u8 instance, bfa_cb_flash_t cbfn, void *cbarg) 4311 { 4312 bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ); 4313 bfa_trc(flash, type); 4314 bfa_trc(flash, instance); 4315 4316 if (!bfa_ioc_is_operational(flash->ioc)) 4317 return BFA_STATUS_IOC_NON_OP; 4318 4319 if (flash->op_busy) { 4320 bfa_trc(flash, flash->op_busy); 4321 return BFA_STATUS_DEVBUSY; 4322 } 4323 4324 flash->op_busy = 1; 4325 flash->cbfn = cbfn; 4326 flash->cbarg = cbarg; 4327 flash->type = type; 4328 flash->instance = instance; 4329 4330 bfa_flash_erase_send(flash); 4331 bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE, 4332 instance, type); 4333 return BFA_STATUS_OK; 4334 } 4335 4336 /* 4337 * Update flash partition. 4338 * 4339 * @param[in] flash - flash structure 4340 * @param[in] type - flash partition type 4341 * @param[in] instance - flash partition instance 4342 * @param[in] buf - update data buffer 4343 * @param[in] len - data buffer length 4344 * @param[in] offset - offset relative to the partition starting address 4345 * @param[in] cbfn - callback function 4346 * @param[in] cbarg - callback argument 4347 * 4348 * Return status. 4349 */ 4350 bfa_status_t 4351 bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4352 u8 instance, void *buf, u32 len, u32 offset, 4353 bfa_cb_flash_t cbfn, void *cbarg) 4354 { 4355 bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ); 4356 bfa_trc(flash, type); 4357 bfa_trc(flash, instance); 4358 bfa_trc(flash, len); 4359 bfa_trc(flash, offset); 4360 4361 if (!bfa_ioc_is_operational(flash->ioc)) 4362 return BFA_STATUS_IOC_NON_OP; 4363 4364 /* 4365 * 'len' must be in word (4-byte) boundary 4366 * 'offset' must be in sector (16kb) boundary 4367 */ 4368 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4369 return BFA_STATUS_FLASH_BAD_LEN; 4370 4371 if (type == BFA_FLASH_PART_MFG) 4372 return BFA_STATUS_EINVAL; 4373 4374 if (flash->op_busy) { 4375 bfa_trc(flash, flash->op_busy); 4376 return BFA_STATUS_DEVBUSY; 4377 } 4378 4379 flash->op_busy = 1; 4380 flash->cbfn = cbfn; 4381 flash->cbarg = cbarg; 4382 flash->type = type; 4383 flash->instance = instance; 4384 flash->residue = len; 4385 flash->offset = 0; 4386 flash->addr_off = offset; 4387 flash->ubuf = buf; 4388 4389 bfa_flash_write_send(flash); 4390 return BFA_STATUS_OK; 4391 } 4392 4393 /* 4394 * Read flash partition. 4395 * 4396 * @param[in] flash - flash structure 4397 * @param[in] type - flash partition type 4398 * @param[in] instance - flash partition instance 4399 * @param[in] buf - read data buffer 4400 * @param[in] len - data buffer length 4401 * @param[in] offset - offset relative to the partition starting address 4402 * @param[in] cbfn - callback function 4403 * @param[in] cbarg - callback argument 4404 * 4405 * Return status. 4406 */ 4407 bfa_status_t 4408 bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4409 u8 instance, void *buf, u32 len, u32 offset, 4410 bfa_cb_flash_t cbfn, void *cbarg) 4411 { 4412 bfa_trc(flash, BFI_FLASH_H2I_READ_REQ); 4413 bfa_trc(flash, type); 4414 bfa_trc(flash, instance); 4415 bfa_trc(flash, len); 4416 bfa_trc(flash, offset); 4417 4418 if (!bfa_ioc_is_operational(flash->ioc)) 4419 return BFA_STATUS_IOC_NON_OP; 4420 4421 /* 4422 * 'len' must be in word (4-byte) boundary 4423 * 'offset' must be in sector (16kb) boundary 4424 */ 4425 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4426 return BFA_STATUS_FLASH_BAD_LEN; 4427 4428 if (flash->op_busy) { 4429 bfa_trc(flash, flash->op_busy); 4430 return BFA_STATUS_DEVBUSY; 4431 } 4432 4433 flash->op_busy = 1; 4434 flash->cbfn = cbfn; 4435 flash->cbarg = cbarg; 4436 flash->type = type; 4437 flash->instance = instance; 4438 flash->residue = len; 4439 flash->offset = 0; 4440 flash->addr_off = offset; 4441 flash->ubuf = buf; 4442 bfa_flash_read_send(flash); 4443 4444 return BFA_STATUS_OK; 4445 } 4446 4447 /* 4448 * DIAG module specific 4449 */ 4450 4451 #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */ 4452 #define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */ 4453 4454 /* IOC event handler */ 4455 static void 4456 bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event) 4457 { 4458 struct bfa_diag_s *diag = diag_arg; 4459 4460 bfa_trc(diag, event); 4461 bfa_trc(diag, diag->block); 4462 bfa_trc(diag, diag->fwping.lock); 4463 bfa_trc(diag, diag->tsensor.lock); 4464 4465 switch (event) { 4466 case BFA_IOC_E_DISABLED: 4467 case BFA_IOC_E_FAILED: 4468 if (diag->fwping.lock) { 4469 diag->fwping.status = BFA_STATUS_IOC_FAILURE; 4470 diag->fwping.cbfn(diag->fwping.cbarg, 4471 diag->fwping.status); 4472 diag->fwping.lock = 0; 4473 } 4474 4475 if (diag->tsensor.lock) { 4476 diag->tsensor.status = BFA_STATUS_IOC_FAILURE; 4477 diag->tsensor.cbfn(diag->tsensor.cbarg, 4478 diag->tsensor.status); 4479 diag->tsensor.lock = 0; 4480 } 4481 4482 if (diag->block) { 4483 if (diag->timer_active) { 4484 bfa_timer_stop(&diag->timer); 4485 diag->timer_active = 0; 4486 } 4487 4488 diag->status = BFA_STATUS_IOC_FAILURE; 4489 diag->cbfn(diag->cbarg, diag->status); 4490 diag->block = 0; 4491 } 4492 break; 4493 4494 default: 4495 break; 4496 } 4497 } 4498 4499 static void 4500 bfa_diag_memtest_done(void *cbarg) 4501 { 4502 struct bfa_diag_s *diag = cbarg; 4503 struct bfa_ioc_s *ioc = diag->ioc; 4504 struct bfa_diag_memtest_result *res = diag->result; 4505 u32 loff = BFI_BOOT_MEMTEST_RES_ADDR; 4506 u32 pgnum, pgoff, i; 4507 4508 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 4509 pgoff = PSS_SMEM_PGOFF(loff); 4510 4511 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 4512 4513 for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) / 4514 sizeof(u32)); i++) { 4515 /* read test result from smem */ 4516 *((u32 *) res + i) = 4517 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 4518 loff += sizeof(u32); 4519 } 4520 4521 /* Reset IOC fwstates to BFI_IOC_UNINIT */ 4522 bfa_ioc_reset_fwstate(ioc); 4523 4524 res->status = swab32(res->status); 4525 bfa_trc(diag, res->status); 4526 4527 if (res->status == BFI_BOOT_MEMTEST_RES_SIG) 4528 diag->status = BFA_STATUS_OK; 4529 else { 4530 diag->status = BFA_STATUS_MEMTEST_FAILED; 4531 res->addr = swab32(res->addr); 4532 res->exp = swab32(res->exp); 4533 res->act = swab32(res->act); 4534 res->err_status = swab32(res->err_status); 4535 res->err_status1 = swab32(res->err_status1); 4536 res->err_addr = swab32(res->err_addr); 4537 bfa_trc(diag, res->addr); 4538 bfa_trc(diag, res->exp); 4539 bfa_trc(diag, res->act); 4540 bfa_trc(diag, res->err_status); 4541 bfa_trc(diag, res->err_status1); 4542 bfa_trc(diag, res->err_addr); 4543 } 4544 diag->timer_active = 0; 4545 diag->cbfn(diag->cbarg, diag->status); 4546 diag->block = 0; 4547 } 4548 4549 /* 4550 * Firmware ping 4551 */ 4552 4553 /* 4554 * Perform DMA test directly 4555 */ 4556 static void 4557 diag_fwping_send(struct bfa_diag_s *diag) 4558 { 4559 struct bfi_diag_fwping_req_s *fwping_req; 4560 u32 i; 4561 4562 bfa_trc(diag, diag->fwping.dbuf_pa); 4563 4564 /* fill DMA area with pattern */ 4565 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) 4566 *((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data; 4567 4568 /* Fill mbox msg */ 4569 fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg; 4570 4571 /* Setup SG list */ 4572 bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ, 4573 diag->fwping.dbuf_pa); 4574 /* Set up dma count */ 4575 fwping_req->count = cpu_to_be32(diag->fwping.count); 4576 /* Set up data pattern */ 4577 fwping_req->data = diag->fwping.data; 4578 4579 /* build host command */ 4580 bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING, 4581 bfa_ioc_portid(diag->ioc)); 4582 4583 /* send mbox cmd */ 4584 bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd); 4585 } 4586 4587 static void 4588 diag_fwping_comp(struct bfa_diag_s *diag, 4589 struct bfi_diag_fwping_rsp_s *diag_rsp) 4590 { 4591 u32 rsp_data = diag_rsp->data; 4592 u8 rsp_dma_status = diag_rsp->dma_status; 4593 4594 bfa_trc(diag, rsp_data); 4595 bfa_trc(diag, rsp_dma_status); 4596 4597 if (rsp_dma_status == BFA_STATUS_OK) { 4598 u32 i, pat; 4599 pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) : 4600 diag->fwping.data; 4601 /* Check mbox data */ 4602 if (diag->fwping.data != rsp_data) { 4603 bfa_trc(diag, rsp_data); 4604 diag->fwping.result->dmastatus = 4605 BFA_STATUS_DATACORRUPTED; 4606 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4607 diag->fwping.cbfn(diag->fwping.cbarg, 4608 diag->fwping.status); 4609 diag->fwping.lock = 0; 4610 return; 4611 } 4612 /* Check dma pattern */ 4613 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) { 4614 if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) { 4615 bfa_trc(diag, i); 4616 bfa_trc(diag, pat); 4617 bfa_trc(diag, 4618 *((u32 *)diag->fwping.dbuf_kva + i)); 4619 diag->fwping.result->dmastatus = 4620 BFA_STATUS_DATACORRUPTED; 4621 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4622 diag->fwping.cbfn(diag->fwping.cbarg, 4623 diag->fwping.status); 4624 diag->fwping.lock = 0; 4625 return; 4626 } 4627 } 4628 diag->fwping.result->dmastatus = BFA_STATUS_OK; 4629 diag->fwping.status = BFA_STATUS_OK; 4630 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4631 diag->fwping.lock = 0; 4632 } else { 4633 diag->fwping.status = BFA_STATUS_HDMA_FAILED; 4634 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4635 diag->fwping.lock = 0; 4636 } 4637 } 4638 4639 /* 4640 * Temperature Sensor 4641 */ 4642 4643 static void 4644 diag_tempsensor_send(struct bfa_diag_s *diag) 4645 { 4646 struct bfi_diag_ts_req_s *msg; 4647 4648 msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg; 4649 bfa_trc(diag, msg->temp); 4650 /* build host command */ 4651 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR, 4652 bfa_ioc_portid(diag->ioc)); 4653 /* send mbox cmd */ 4654 bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd); 4655 } 4656 4657 static void 4658 diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp) 4659 { 4660 if (!diag->tsensor.lock) { 4661 /* receiving response after ioc failure */ 4662 bfa_trc(diag, diag->tsensor.lock); 4663 return; 4664 } 4665 4666 /* 4667 * ASIC junction tempsensor is a reg read operation 4668 * it will always return OK 4669 */ 4670 diag->tsensor.temp->temp = be16_to_cpu(rsp->temp); 4671 diag->tsensor.temp->ts_junc = rsp->ts_junc; 4672 diag->tsensor.temp->ts_brd = rsp->ts_brd; 4673 diag->tsensor.temp->status = BFA_STATUS_OK; 4674 4675 if (rsp->ts_brd) { 4676 if (rsp->status == BFA_STATUS_OK) { 4677 diag->tsensor.temp->brd_temp = 4678 be16_to_cpu(rsp->brd_temp); 4679 } else { 4680 bfa_trc(diag, rsp->status); 4681 diag->tsensor.temp->brd_temp = 0; 4682 diag->tsensor.temp->status = BFA_STATUS_DEVBUSY; 4683 } 4684 } 4685 bfa_trc(diag, rsp->ts_junc); 4686 bfa_trc(diag, rsp->temp); 4687 bfa_trc(diag, rsp->ts_brd); 4688 bfa_trc(diag, rsp->brd_temp); 4689 diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status); 4690 diag->tsensor.lock = 0; 4691 } 4692 4693 /* 4694 * LED Test command 4695 */ 4696 static void 4697 diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 4698 { 4699 struct bfi_diag_ledtest_req_s *msg; 4700 4701 msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg; 4702 /* build host command */ 4703 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST, 4704 bfa_ioc_portid(diag->ioc)); 4705 4706 /* 4707 * convert the freq from N blinks per 10 sec to 4708 * crossbow ontime value. We do it here because division is need 4709 */ 4710 if (ledtest->freq) 4711 ledtest->freq = 500 / ledtest->freq; 4712 4713 if (ledtest->freq == 0) 4714 ledtest->freq = 1; 4715 4716 bfa_trc(diag, ledtest->freq); 4717 /* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */ 4718 msg->cmd = (u8) ledtest->cmd; 4719 msg->color = (u8) ledtest->color; 4720 msg->portid = bfa_ioc_portid(diag->ioc); 4721 msg->led = ledtest->led; 4722 msg->freq = cpu_to_be16(ledtest->freq); 4723 4724 /* send mbox cmd */ 4725 bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd); 4726 } 4727 4728 static void 4729 diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg) 4730 { 4731 bfa_trc(diag, diag->ledtest.lock); 4732 diag->ledtest.lock = BFA_FALSE; 4733 /* no bfa_cb_queue is needed because driver is not waiting */ 4734 } 4735 4736 /* 4737 * Port beaconing 4738 */ 4739 static void 4740 diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec) 4741 { 4742 struct bfi_diag_portbeacon_req_s *msg; 4743 4744 msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg; 4745 /* build host command */ 4746 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON, 4747 bfa_ioc_portid(diag->ioc)); 4748 msg->beacon = beacon; 4749 msg->period = cpu_to_be32(sec); 4750 /* send mbox cmd */ 4751 bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd); 4752 } 4753 4754 static void 4755 diag_portbeacon_comp(struct bfa_diag_s *diag) 4756 { 4757 bfa_trc(diag, diag->beacon.state); 4758 diag->beacon.state = BFA_FALSE; 4759 if (diag->cbfn_beacon) 4760 diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e); 4761 } 4762 4763 /* 4764 * Diag hmbox handler 4765 */ 4766 void 4767 bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg) 4768 { 4769 struct bfa_diag_s *diag = diagarg; 4770 4771 switch (msg->mh.msg_id) { 4772 case BFI_DIAG_I2H_PORTBEACON: 4773 diag_portbeacon_comp(diag); 4774 break; 4775 case BFI_DIAG_I2H_FWPING: 4776 diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg); 4777 break; 4778 case BFI_DIAG_I2H_TEMPSENSOR: 4779 diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg); 4780 break; 4781 case BFI_DIAG_I2H_LEDTEST: 4782 diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg); 4783 break; 4784 default: 4785 bfa_trc(diag, msg->mh.msg_id); 4786 WARN_ON(1); 4787 } 4788 } 4789 4790 /* 4791 * Gen RAM Test 4792 * 4793 * @param[in] *diag - diag data struct 4794 * @param[in] *memtest - mem test params input from upper layer, 4795 * @param[in] pattern - mem test pattern 4796 * @param[in] *result - mem test result 4797 * @param[in] cbfn - mem test callback functioin 4798 * @param[in] cbarg - callback functioin arg 4799 * 4800 * @param[out] 4801 */ 4802 bfa_status_t 4803 bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, 4804 u32 pattern, struct bfa_diag_memtest_result *result, 4805 bfa_cb_diag_t cbfn, void *cbarg) 4806 { 4807 u32 memtest_tov; 4808 4809 bfa_trc(diag, pattern); 4810 4811 if (!bfa_ioc_adapter_is_disabled(diag->ioc)) 4812 return BFA_STATUS_ADAPTER_ENABLED; 4813 4814 /* check to see if there is another destructive diag cmd running */ 4815 if (diag->block) { 4816 bfa_trc(diag, diag->block); 4817 return BFA_STATUS_DEVBUSY; 4818 } else 4819 diag->block = 1; 4820 4821 diag->result = result; 4822 diag->cbfn = cbfn; 4823 diag->cbarg = cbarg; 4824 4825 /* download memtest code and take LPU0 out of reset */ 4826 bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS); 4827 4828 memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ? 4829 CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV; 4830 bfa_timer_begin(diag->ioc->timer_mod, &diag->timer, 4831 bfa_diag_memtest_done, diag, memtest_tov); 4832 diag->timer_active = 1; 4833 return BFA_STATUS_OK; 4834 } 4835 4836 /* 4837 * DIAG firmware ping command 4838 * 4839 * @param[in] *diag - diag data struct 4840 * @param[in] cnt - dma loop count for testing PCIE 4841 * @param[in] data - data pattern to pass in fw 4842 * @param[in] *result - pt to bfa_diag_fwping_result_t data struct 4843 * @param[in] cbfn - callback function 4844 * @param[in] *cbarg - callback functioin arg 4845 * 4846 * @param[out] 4847 */ 4848 bfa_status_t 4849 bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data, 4850 struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn, 4851 void *cbarg) 4852 { 4853 bfa_trc(diag, cnt); 4854 bfa_trc(diag, data); 4855 4856 if (!bfa_ioc_is_operational(diag->ioc)) 4857 return BFA_STATUS_IOC_NON_OP; 4858 4859 if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) && 4860 ((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH)) 4861 return BFA_STATUS_CMD_NOTSUPP; 4862 4863 /* check to see if there is another destructive diag cmd running */ 4864 if (diag->block || diag->fwping.lock) { 4865 bfa_trc(diag, diag->block); 4866 bfa_trc(diag, diag->fwping.lock); 4867 return BFA_STATUS_DEVBUSY; 4868 } 4869 4870 /* Initialization */ 4871 diag->fwping.lock = 1; 4872 diag->fwping.cbfn = cbfn; 4873 diag->fwping.cbarg = cbarg; 4874 diag->fwping.result = result; 4875 diag->fwping.data = data; 4876 diag->fwping.count = cnt; 4877 4878 /* Init test results */ 4879 diag->fwping.result->data = 0; 4880 diag->fwping.result->status = BFA_STATUS_OK; 4881 4882 /* kick off the first ping */ 4883 diag_fwping_send(diag); 4884 return BFA_STATUS_OK; 4885 } 4886 4887 /* 4888 * Read Temperature Sensor 4889 * 4890 * @param[in] *diag - diag data struct 4891 * @param[in] *result - pt to bfa_diag_temp_t data struct 4892 * @param[in] cbfn - callback function 4893 * @param[in] *cbarg - callback functioin arg 4894 * 4895 * @param[out] 4896 */ 4897 bfa_status_t 4898 bfa_diag_tsensor_query(struct bfa_diag_s *diag, 4899 struct bfa_diag_results_tempsensor_s *result, 4900 bfa_cb_diag_t cbfn, void *cbarg) 4901 { 4902 /* check to see if there is a destructive diag cmd running */ 4903 if (diag->block || diag->tsensor.lock) { 4904 bfa_trc(diag, diag->block); 4905 bfa_trc(diag, diag->tsensor.lock); 4906 return BFA_STATUS_DEVBUSY; 4907 } 4908 4909 if (!bfa_ioc_is_operational(diag->ioc)) 4910 return BFA_STATUS_IOC_NON_OP; 4911 4912 /* Init diag mod params */ 4913 diag->tsensor.lock = 1; 4914 diag->tsensor.temp = result; 4915 diag->tsensor.cbfn = cbfn; 4916 diag->tsensor.cbarg = cbarg; 4917 4918 /* Send msg to fw */ 4919 diag_tempsensor_send(diag); 4920 4921 return BFA_STATUS_OK; 4922 } 4923 4924 /* 4925 * LED Test command 4926 * 4927 * @param[in] *diag - diag data struct 4928 * @param[in] *ledtest - pt to ledtest data structure 4929 * 4930 * @param[out] 4931 */ 4932 bfa_status_t 4933 bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 4934 { 4935 bfa_trc(diag, ledtest->cmd); 4936 4937 if (!bfa_ioc_is_operational(diag->ioc)) 4938 return BFA_STATUS_IOC_NON_OP; 4939 4940 if (diag->beacon.state) 4941 return BFA_STATUS_BEACON_ON; 4942 4943 if (diag->ledtest.lock) 4944 return BFA_STATUS_LEDTEST_OP; 4945 4946 /* Send msg to fw */ 4947 diag->ledtest.lock = BFA_TRUE; 4948 diag_ledtest_send(diag, ledtest); 4949 4950 return BFA_STATUS_OK; 4951 } 4952 4953 /* 4954 * Port beaconing command 4955 * 4956 * @param[in] *diag - diag data struct 4957 * @param[in] beacon - port beaconing 1:ON 0:OFF 4958 * @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF 4959 * @param[in] sec - beaconing duration in seconds 4960 * 4961 * @param[out] 4962 */ 4963 bfa_status_t 4964 bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon, 4965 bfa_boolean_t link_e2e_beacon, uint32_t sec) 4966 { 4967 bfa_trc(diag, beacon); 4968 bfa_trc(diag, link_e2e_beacon); 4969 bfa_trc(diag, sec); 4970 4971 if (!bfa_ioc_is_operational(diag->ioc)) 4972 return BFA_STATUS_IOC_NON_OP; 4973 4974 if (diag->ledtest.lock) 4975 return BFA_STATUS_LEDTEST_OP; 4976 4977 if (diag->beacon.state && beacon) /* beacon alread on */ 4978 return BFA_STATUS_BEACON_ON; 4979 4980 diag->beacon.state = beacon; 4981 diag->beacon.link_e2e = link_e2e_beacon; 4982 if (diag->cbfn_beacon) 4983 diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon); 4984 4985 /* Send msg to fw */ 4986 diag_portbeacon_send(diag, beacon, sec); 4987 4988 return BFA_STATUS_OK; 4989 } 4990 4991 /* 4992 * Return DMA memory needed by diag module. 4993 */ 4994 u32 4995 bfa_diag_meminfo(void) 4996 { 4997 return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4998 } 4999 5000 /* 5001 * Attach virtual and physical memory for Diag. 5002 */ 5003 void 5004 bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev, 5005 bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod) 5006 { 5007 diag->dev = dev; 5008 diag->ioc = ioc; 5009 diag->trcmod = trcmod; 5010 5011 diag->block = 0; 5012 diag->cbfn = NULL; 5013 diag->cbarg = NULL; 5014 diag->result = NULL; 5015 diag->cbfn_beacon = cbfn_beacon; 5016 5017 bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag); 5018 bfa_q_qe_init(&diag->ioc_notify); 5019 bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag); 5020 list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q); 5021 } 5022 5023 void 5024 bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa) 5025 { 5026 diag->fwping.dbuf_kva = dm_kva; 5027 diag->fwping.dbuf_pa = dm_pa; 5028 memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ); 5029 } 5030 5031 /* 5032 * PHY module specific 5033 */ 5034 #define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ 5035 #define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */ 5036 5037 static void 5038 bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz) 5039 { 5040 int i, m = sz >> 2; 5041 5042 for (i = 0; i < m; i++) 5043 obuf[i] = be32_to_cpu(ibuf[i]); 5044 } 5045 5046 static bfa_boolean_t 5047 bfa_phy_present(struct bfa_phy_s *phy) 5048 { 5049 return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING); 5050 } 5051 5052 static void 5053 bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event) 5054 { 5055 struct bfa_phy_s *phy = cbarg; 5056 5057 bfa_trc(phy, event); 5058 5059 switch (event) { 5060 case BFA_IOC_E_DISABLED: 5061 case BFA_IOC_E_FAILED: 5062 if (phy->op_busy) { 5063 phy->status = BFA_STATUS_IOC_FAILURE; 5064 phy->cbfn(phy->cbarg, phy->status); 5065 phy->op_busy = 0; 5066 } 5067 break; 5068 5069 default: 5070 break; 5071 } 5072 } 5073 5074 /* 5075 * Send phy attribute query request. 5076 * 5077 * @param[in] cbarg - callback argument 5078 */ 5079 static void 5080 bfa_phy_query_send(void *cbarg) 5081 { 5082 struct bfa_phy_s *phy = cbarg; 5083 struct bfi_phy_query_req_s *msg = 5084 (struct bfi_phy_query_req_s *) phy->mb.msg; 5085 5086 msg->instance = phy->instance; 5087 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ, 5088 bfa_ioc_portid(phy->ioc)); 5089 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa); 5090 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5091 } 5092 5093 /* 5094 * Send phy write request. 5095 * 5096 * @param[in] cbarg - callback argument 5097 */ 5098 static void 5099 bfa_phy_write_send(void *cbarg) 5100 { 5101 struct bfa_phy_s *phy = cbarg; 5102 struct bfi_phy_write_req_s *msg = 5103 (struct bfi_phy_write_req_s *) phy->mb.msg; 5104 u32 len; 5105 u16 *buf, *dbuf; 5106 int i, sz; 5107 5108 msg->instance = phy->instance; 5109 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5110 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5111 phy->residue : BFA_PHY_DMA_BUF_SZ; 5112 msg->length = cpu_to_be32(len); 5113 5114 /* indicate if it's the last msg of the whole write operation */ 5115 msg->last = (len == phy->residue) ? 1 : 0; 5116 5117 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ, 5118 bfa_ioc_portid(phy->ioc)); 5119 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5120 5121 buf = (u16 *) (phy->ubuf + phy->offset); 5122 dbuf = (u16 *)phy->dbuf_kva; 5123 sz = len >> 1; 5124 for (i = 0; i < sz; i++) 5125 buf[i] = cpu_to_be16(dbuf[i]); 5126 5127 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5128 5129 phy->residue -= len; 5130 phy->offset += len; 5131 } 5132 5133 /* 5134 * Send phy read request. 5135 * 5136 * @param[in] cbarg - callback argument 5137 */ 5138 static void 5139 bfa_phy_read_send(void *cbarg) 5140 { 5141 struct bfa_phy_s *phy = cbarg; 5142 struct bfi_phy_read_req_s *msg = 5143 (struct bfi_phy_read_req_s *) phy->mb.msg; 5144 u32 len; 5145 5146 msg->instance = phy->instance; 5147 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5148 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5149 phy->residue : BFA_PHY_DMA_BUF_SZ; 5150 msg->length = cpu_to_be32(len); 5151 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ, 5152 bfa_ioc_portid(phy->ioc)); 5153 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5154 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5155 } 5156 5157 /* 5158 * Send phy stats request. 5159 * 5160 * @param[in] cbarg - callback argument 5161 */ 5162 static void 5163 bfa_phy_stats_send(void *cbarg) 5164 { 5165 struct bfa_phy_s *phy = cbarg; 5166 struct bfi_phy_stats_req_s *msg = 5167 (struct bfi_phy_stats_req_s *) phy->mb.msg; 5168 5169 msg->instance = phy->instance; 5170 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ, 5171 bfa_ioc_portid(phy->ioc)); 5172 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa); 5173 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5174 } 5175 5176 /* 5177 * Flash memory info API. 5178 * 5179 * @param[in] mincfg - minimal cfg variable 5180 */ 5181 u32 5182 bfa_phy_meminfo(bfa_boolean_t mincfg) 5183 { 5184 /* min driver doesn't need phy */ 5185 if (mincfg) 5186 return 0; 5187 5188 return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5189 } 5190 5191 /* 5192 * Flash attach API. 5193 * 5194 * @param[in] phy - phy structure 5195 * @param[in] ioc - ioc structure 5196 * @param[in] dev - device structure 5197 * @param[in] trcmod - trace module 5198 * @param[in] logmod - log module 5199 */ 5200 void 5201 bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev, 5202 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 5203 { 5204 phy->ioc = ioc; 5205 phy->trcmod = trcmod; 5206 phy->cbfn = NULL; 5207 phy->cbarg = NULL; 5208 phy->op_busy = 0; 5209 5210 bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy); 5211 bfa_q_qe_init(&phy->ioc_notify); 5212 bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy); 5213 list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q); 5214 5215 /* min driver doesn't need phy */ 5216 if (mincfg) { 5217 phy->dbuf_kva = NULL; 5218 phy->dbuf_pa = 0; 5219 } 5220 } 5221 5222 /* 5223 * Claim memory for phy 5224 * 5225 * @param[in] phy - phy structure 5226 * @param[in] dm_kva - pointer to virtual memory address 5227 * @param[in] dm_pa - physical memory address 5228 * @param[in] mincfg - minimal cfg variable 5229 */ 5230 void 5231 bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa, 5232 bfa_boolean_t mincfg) 5233 { 5234 if (mincfg) 5235 return; 5236 5237 phy->dbuf_kva = dm_kva; 5238 phy->dbuf_pa = dm_pa; 5239 memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ); 5240 dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5241 dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5242 } 5243 5244 bfa_boolean_t 5245 bfa_phy_busy(struct bfa_ioc_s *ioc) 5246 { 5247 void __iomem *rb; 5248 5249 rb = bfa_ioc_bar0(ioc); 5250 return readl(rb + BFA_PHY_LOCK_STATUS); 5251 } 5252 5253 /* 5254 * Get phy attribute. 5255 * 5256 * @param[in] phy - phy structure 5257 * @param[in] attr - phy attribute structure 5258 * @param[in] cbfn - callback function 5259 * @param[in] cbarg - callback argument 5260 * 5261 * Return status. 5262 */ 5263 bfa_status_t 5264 bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance, 5265 struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg) 5266 { 5267 bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ); 5268 bfa_trc(phy, instance); 5269 5270 if (!bfa_phy_present(phy)) 5271 return BFA_STATUS_PHY_NOT_PRESENT; 5272 5273 if (!bfa_ioc_is_operational(phy->ioc)) 5274 return BFA_STATUS_IOC_NON_OP; 5275 5276 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5277 bfa_trc(phy, phy->op_busy); 5278 return BFA_STATUS_DEVBUSY; 5279 } 5280 5281 phy->op_busy = 1; 5282 phy->cbfn = cbfn; 5283 phy->cbarg = cbarg; 5284 phy->instance = instance; 5285 phy->ubuf = (uint8_t *) attr; 5286 bfa_phy_query_send(phy); 5287 5288 return BFA_STATUS_OK; 5289 } 5290 5291 /* 5292 * Get phy stats. 5293 * 5294 * @param[in] phy - phy structure 5295 * @param[in] instance - phy image instance 5296 * @param[in] stats - pointer to phy stats 5297 * @param[in] cbfn - callback function 5298 * @param[in] cbarg - callback argument 5299 * 5300 * Return status. 5301 */ 5302 bfa_status_t 5303 bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance, 5304 struct bfa_phy_stats_s *stats, 5305 bfa_cb_phy_t cbfn, void *cbarg) 5306 { 5307 bfa_trc(phy, BFI_PHY_H2I_STATS_REQ); 5308 bfa_trc(phy, instance); 5309 5310 if (!bfa_phy_present(phy)) 5311 return BFA_STATUS_PHY_NOT_PRESENT; 5312 5313 if (!bfa_ioc_is_operational(phy->ioc)) 5314 return BFA_STATUS_IOC_NON_OP; 5315 5316 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5317 bfa_trc(phy, phy->op_busy); 5318 return BFA_STATUS_DEVBUSY; 5319 } 5320 5321 phy->op_busy = 1; 5322 phy->cbfn = cbfn; 5323 phy->cbarg = cbarg; 5324 phy->instance = instance; 5325 phy->ubuf = (u8 *) stats; 5326 bfa_phy_stats_send(phy); 5327 5328 return BFA_STATUS_OK; 5329 } 5330 5331 /* 5332 * Update phy image. 5333 * 5334 * @param[in] phy - phy structure 5335 * @param[in] instance - phy image instance 5336 * @param[in] buf - update data buffer 5337 * @param[in] len - data buffer length 5338 * @param[in] offset - offset relative to starting address 5339 * @param[in] cbfn - callback function 5340 * @param[in] cbarg - callback argument 5341 * 5342 * Return status. 5343 */ 5344 bfa_status_t 5345 bfa_phy_update(struct bfa_phy_s *phy, u8 instance, 5346 void *buf, u32 len, u32 offset, 5347 bfa_cb_phy_t cbfn, void *cbarg) 5348 { 5349 bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ); 5350 bfa_trc(phy, instance); 5351 bfa_trc(phy, len); 5352 bfa_trc(phy, offset); 5353 5354 if (!bfa_phy_present(phy)) 5355 return BFA_STATUS_PHY_NOT_PRESENT; 5356 5357 if (!bfa_ioc_is_operational(phy->ioc)) 5358 return BFA_STATUS_IOC_NON_OP; 5359 5360 /* 'len' must be in word (4-byte) boundary */ 5361 if (!len || (len & 0x03)) 5362 return BFA_STATUS_FAILED; 5363 5364 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5365 bfa_trc(phy, phy->op_busy); 5366 return BFA_STATUS_DEVBUSY; 5367 } 5368 5369 phy->op_busy = 1; 5370 phy->cbfn = cbfn; 5371 phy->cbarg = cbarg; 5372 phy->instance = instance; 5373 phy->residue = len; 5374 phy->offset = 0; 5375 phy->addr_off = offset; 5376 phy->ubuf = buf; 5377 5378 bfa_phy_write_send(phy); 5379 return BFA_STATUS_OK; 5380 } 5381 5382 /* 5383 * Read phy image. 5384 * 5385 * @param[in] phy - phy structure 5386 * @param[in] instance - phy image instance 5387 * @param[in] buf - read data buffer 5388 * @param[in] len - data buffer length 5389 * @param[in] offset - offset relative to starting address 5390 * @param[in] cbfn - callback function 5391 * @param[in] cbarg - callback argument 5392 * 5393 * Return status. 5394 */ 5395 bfa_status_t 5396 bfa_phy_read(struct bfa_phy_s *phy, u8 instance, 5397 void *buf, u32 len, u32 offset, 5398 bfa_cb_phy_t cbfn, void *cbarg) 5399 { 5400 bfa_trc(phy, BFI_PHY_H2I_READ_REQ); 5401 bfa_trc(phy, instance); 5402 bfa_trc(phy, len); 5403 bfa_trc(phy, offset); 5404 5405 if (!bfa_phy_present(phy)) 5406 return BFA_STATUS_PHY_NOT_PRESENT; 5407 5408 if (!bfa_ioc_is_operational(phy->ioc)) 5409 return BFA_STATUS_IOC_NON_OP; 5410 5411 /* 'len' must be in word (4-byte) boundary */ 5412 if (!len || (len & 0x03)) 5413 return BFA_STATUS_FAILED; 5414 5415 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5416 bfa_trc(phy, phy->op_busy); 5417 return BFA_STATUS_DEVBUSY; 5418 } 5419 5420 phy->op_busy = 1; 5421 phy->cbfn = cbfn; 5422 phy->cbarg = cbarg; 5423 phy->instance = instance; 5424 phy->residue = len; 5425 phy->offset = 0; 5426 phy->addr_off = offset; 5427 phy->ubuf = buf; 5428 bfa_phy_read_send(phy); 5429 5430 return BFA_STATUS_OK; 5431 } 5432 5433 /* 5434 * Process phy response messages upon receiving interrupts. 5435 * 5436 * @param[in] phyarg - phy structure 5437 * @param[in] msg - message structure 5438 */ 5439 void 5440 bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg) 5441 { 5442 struct bfa_phy_s *phy = phyarg; 5443 u32 status; 5444 5445 union { 5446 struct bfi_phy_query_rsp_s *query; 5447 struct bfi_phy_stats_rsp_s *stats; 5448 struct bfi_phy_write_rsp_s *write; 5449 struct bfi_phy_read_rsp_s *read; 5450 struct bfi_mbmsg_s *msg; 5451 } m; 5452 5453 m.msg = msg; 5454 bfa_trc(phy, msg->mh.msg_id); 5455 5456 if (!phy->op_busy) { 5457 /* receiving response after ioc failure */ 5458 bfa_trc(phy, 0x9999); 5459 return; 5460 } 5461 5462 switch (msg->mh.msg_id) { 5463 case BFI_PHY_I2H_QUERY_RSP: 5464 status = be32_to_cpu(m.query->status); 5465 bfa_trc(phy, status); 5466 5467 if (status == BFA_STATUS_OK) { 5468 struct bfa_phy_attr_s *attr = 5469 (struct bfa_phy_attr_s *) phy->ubuf; 5470 bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva, 5471 sizeof(struct bfa_phy_attr_s)); 5472 bfa_trc(phy, attr->status); 5473 bfa_trc(phy, attr->length); 5474 } 5475 5476 phy->status = status; 5477 phy->op_busy = 0; 5478 if (phy->cbfn) 5479 phy->cbfn(phy->cbarg, phy->status); 5480 break; 5481 case BFI_PHY_I2H_STATS_RSP: 5482 status = be32_to_cpu(m.stats->status); 5483 bfa_trc(phy, status); 5484 5485 if (status == BFA_STATUS_OK) { 5486 struct bfa_phy_stats_s *stats = 5487 (struct bfa_phy_stats_s *) phy->ubuf; 5488 bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva, 5489 sizeof(struct bfa_phy_stats_s)); 5490 bfa_trc(phy, stats->status); 5491 } 5492 5493 phy->status = status; 5494 phy->op_busy = 0; 5495 if (phy->cbfn) 5496 phy->cbfn(phy->cbarg, phy->status); 5497 break; 5498 case BFI_PHY_I2H_WRITE_RSP: 5499 status = be32_to_cpu(m.write->status); 5500 bfa_trc(phy, status); 5501 5502 if (status != BFA_STATUS_OK || phy->residue == 0) { 5503 phy->status = status; 5504 phy->op_busy = 0; 5505 if (phy->cbfn) 5506 phy->cbfn(phy->cbarg, phy->status); 5507 } else { 5508 bfa_trc(phy, phy->offset); 5509 bfa_phy_write_send(phy); 5510 } 5511 break; 5512 case BFI_PHY_I2H_READ_RSP: 5513 status = be32_to_cpu(m.read->status); 5514 bfa_trc(phy, status); 5515 5516 if (status != BFA_STATUS_OK) { 5517 phy->status = status; 5518 phy->op_busy = 0; 5519 if (phy->cbfn) 5520 phy->cbfn(phy->cbarg, phy->status); 5521 } else { 5522 u32 len = be32_to_cpu(m.read->length); 5523 u16 *buf = (u16 *)(phy->ubuf + phy->offset); 5524 u16 *dbuf = (u16 *)phy->dbuf_kva; 5525 int i, sz = len >> 1; 5526 5527 bfa_trc(phy, phy->offset); 5528 bfa_trc(phy, len); 5529 5530 for (i = 0; i < sz; i++) 5531 buf[i] = be16_to_cpu(dbuf[i]); 5532 5533 phy->residue -= len; 5534 phy->offset += len; 5535 5536 if (phy->residue == 0) { 5537 phy->status = status; 5538 phy->op_busy = 0; 5539 if (phy->cbfn) 5540 phy->cbfn(phy->cbarg, phy->status); 5541 } else 5542 bfa_phy_read_send(phy); 5543 } 5544 break; 5545 default: 5546 WARN_ON(1); 5547 } 5548 } 5549 5550 /* 5551 * DCONF module specific 5552 */ 5553 5554 BFA_MODULE(dconf); 5555 5556 /* 5557 * DCONF state machine events 5558 */ 5559 enum bfa_dconf_event { 5560 BFA_DCONF_SM_INIT = 1, /* dconf Init */ 5561 BFA_DCONF_SM_FLASH_COMP = 2, /* read/write to flash */ 5562 BFA_DCONF_SM_WR = 3, /* binding change, map */ 5563 BFA_DCONF_SM_TIMEOUT = 4, /* Start timer */ 5564 BFA_DCONF_SM_EXIT = 5, /* exit dconf module */ 5565 BFA_DCONF_SM_IOCDISABLE = 6, /* IOC disable event */ 5566 }; 5567 5568 /* forward declaration of DCONF state machine */ 5569 static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, 5570 enum bfa_dconf_event event); 5571 static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5572 enum bfa_dconf_event event); 5573 static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, 5574 enum bfa_dconf_event event); 5575 static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, 5576 enum bfa_dconf_event event); 5577 static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, 5578 enum bfa_dconf_event event); 5579 static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 5580 enum bfa_dconf_event event); 5581 static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 5582 enum bfa_dconf_event event); 5583 5584 static void bfa_dconf_cbfn(void *dconf, bfa_status_t status); 5585 static void bfa_dconf_timer(void *cbarg); 5586 static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf); 5587 static void bfa_dconf_init_cb(void *arg, bfa_status_t status); 5588 5589 /* 5590 * Begining state of dconf module. Waiting for an event to start. 5591 */ 5592 static void 5593 bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5594 { 5595 bfa_status_t bfa_status; 5596 bfa_trc(dconf->bfa, event); 5597 5598 switch (event) { 5599 case BFA_DCONF_SM_INIT: 5600 if (dconf->min_cfg) { 5601 bfa_trc(dconf->bfa, dconf->min_cfg); 5602 bfa_fsm_send_event(&dconf->bfa->iocfc, 5603 IOCFC_E_DCONF_DONE); 5604 return; 5605 } 5606 bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read); 5607 bfa_timer_start(dconf->bfa, &dconf->timer, 5608 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5609 bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa), 5610 BFA_FLASH_PART_DRV, dconf->instance, 5611 dconf->dconf, 5612 sizeof(struct bfa_dconf_s), 0, 5613 bfa_dconf_init_cb, dconf->bfa); 5614 if (bfa_status != BFA_STATUS_OK) { 5615 bfa_timer_stop(&dconf->timer); 5616 bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED); 5617 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5618 return; 5619 } 5620 break; 5621 case BFA_DCONF_SM_EXIT: 5622 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5623 case BFA_DCONF_SM_IOCDISABLE: 5624 case BFA_DCONF_SM_WR: 5625 case BFA_DCONF_SM_FLASH_COMP: 5626 break; 5627 default: 5628 bfa_sm_fault(dconf->bfa, event); 5629 } 5630 } 5631 5632 /* 5633 * Read flash for dconf entries and make a call back to the driver once done. 5634 */ 5635 static void 5636 bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5637 enum bfa_dconf_event event) 5638 { 5639 bfa_trc(dconf->bfa, event); 5640 5641 switch (event) { 5642 case BFA_DCONF_SM_FLASH_COMP: 5643 bfa_timer_stop(&dconf->timer); 5644 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5645 break; 5646 case BFA_DCONF_SM_TIMEOUT: 5647 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5648 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED); 5649 break; 5650 case BFA_DCONF_SM_EXIT: 5651 bfa_timer_stop(&dconf->timer); 5652 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5653 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5654 break; 5655 case BFA_DCONF_SM_IOCDISABLE: 5656 bfa_timer_stop(&dconf->timer); 5657 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5658 break; 5659 default: 5660 bfa_sm_fault(dconf->bfa, event); 5661 } 5662 } 5663 5664 /* 5665 * DCONF Module is in ready state. Has completed the initialization. 5666 */ 5667 static void 5668 bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5669 { 5670 bfa_trc(dconf->bfa, event); 5671 5672 switch (event) { 5673 case BFA_DCONF_SM_WR: 5674 bfa_timer_start(dconf->bfa, &dconf->timer, 5675 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5676 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 5677 break; 5678 case BFA_DCONF_SM_EXIT: 5679 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5680 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5681 break; 5682 case BFA_DCONF_SM_INIT: 5683 case BFA_DCONF_SM_IOCDISABLE: 5684 break; 5685 default: 5686 bfa_sm_fault(dconf->bfa, event); 5687 } 5688 } 5689 5690 /* 5691 * entries are dirty, write back to the flash. 5692 */ 5693 5694 static void 5695 bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5696 { 5697 bfa_trc(dconf->bfa, event); 5698 5699 switch (event) { 5700 case BFA_DCONF_SM_TIMEOUT: 5701 bfa_sm_set_state(dconf, bfa_dconf_sm_sync); 5702 bfa_dconf_flash_write(dconf); 5703 break; 5704 case BFA_DCONF_SM_WR: 5705 bfa_timer_stop(&dconf->timer); 5706 bfa_timer_start(dconf->bfa, &dconf->timer, 5707 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5708 break; 5709 case BFA_DCONF_SM_EXIT: 5710 bfa_timer_stop(&dconf->timer); 5711 bfa_timer_start(dconf->bfa, &dconf->timer, 5712 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5713 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 5714 bfa_dconf_flash_write(dconf); 5715 break; 5716 case BFA_DCONF_SM_FLASH_COMP: 5717 break; 5718 case BFA_DCONF_SM_IOCDISABLE: 5719 bfa_timer_stop(&dconf->timer); 5720 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 5721 break; 5722 default: 5723 bfa_sm_fault(dconf->bfa, event); 5724 } 5725 } 5726 5727 /* 5728 * Sync the dconf entries to the flash. 5729 */ 5730 static void 5731 bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 5732 enum bfa_dconf_event event) 5733 { 5734 bfa_trc(dconf->bfa, event); 5735 5736 switch (event) { 5737 case BFA_DCONF_SM_IOCDISABLE: 5738 case BFA_DCONF_SM_FLASH_COMP: 5739 bfa_timer_stop(&dconf->timer); 5740 case BFA_DCONF_SM_TIMEOUT: 5741 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5742 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5743 break; 5744 default: 5745 bfa_sm_fault(dconf->bfa, event); 5746 } 5747 } 5748 5749 static void 5750 bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5751 { 5752 bfa_trc(dconf->bfa, event); 5753 5754 switch (event) { 5755 case BFA_DCONF_SM_FLASH_COMP: 5756 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5757 break; 5758 case BFA_DCONF_SM_WR: 5759 bfa_timer_start(dconf->bfa, &dconf->timer, 5760 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5761 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 5762 break; 5763 case BFA_DCONF_SM_EXIT: 5764 bfa_timer_start(dconf->bfa, &dconf->timer, 5765 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5766 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 5767 break; 5768 case BFA_DCONF_SM_IOCDISABLE: 5769 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 5770 break; 5771 default: 5772 bfa_sm_fault(dconf->bfa, event); 5773 } 5774 } 5775 5776 static void 5777 bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 5778 enum bfa_dconf_event event) 5779 { 5780 bfa_trc(dconf->bfa, event); 5781 5782 switch (event) { 5783 case BFA_DCONF_SM_INIT: 5784 bfa_timer_start(dconf->bfa, &dconf->timer, 5785 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5786 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 5787 break; 5788 case BFA_DCONF_SM_EXIT: 5789 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5790 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5791 break; 5792 case BFA_DCONF_SM_IOCDISABLE: 5793 break; 5794 default: 5795 bfa_sm_fault(dconf->bfa, event); 5796 } 5797 } 5798 5799 /* 5800 * Compute and return memory needed by DRV_CFG module. 5801 */ 5802 static void 5803 bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, 5804 struct bfa_s *bfa) 5805 { 5806 struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa); 5807 5808 if (cfg->drvcfg.min_cfg) 5809 bfa_mem_kva_setup(meminfo, dconf_kva, 5810 sizeof(struct bfa_dconf_hdr_s)); 5811 else 5812 bfa_mem_kva_setup(meminfo, dconf_kva, 5813 sizeof(struct bfa_dconf_s)); 5814 } 5815 5816 static void 5817 bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 5818 struct bfa_pcidev_s *pcidev) 5819 { 5820 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5821 5822 dconf->bfad = bfad; 5823 dconf->bfa = bfa; 5824 dconf->instance = bfa->ioc.port_id; 5825 bfa_trc(bfa, dconf->instance); 5826 5827 dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf); 5828 if (cfg->drvcfg.min_cfg) { 5829 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s); 5830 dconf->min_cfg = BFA_TRUE; 5831 } else { 5832 dconf->min_cfg = BFA_FALSE; 5833 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s); 5834 } 5835 5836 bfa_dconf_read_data_valid(bfa) = BFA_FALSE; 5837 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5838 } 5839 5840 static void 5841 bfa_dconf_init_cb(void *arg, bfa_status_t status) 5842 { 5843 struct bfa_s *bfa = arg; 5844 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5845 5846 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 5847 if (status == BFA_STATUS_OK) { 5848 bfa_dconf_read_data_valid(bfa) = BFA_TRUE; 5849 if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE) 5850 dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE; 5851 if (dconf->dconf->hdr.version != BFI_DCONF_VERSION) 5852 dconf->dconf->hdr.version = BFI_DCONF_VERSION; 5853 } 5854 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE); 5855 } 5856 5857 void 5858 bfa_dconf_modinit(struct bfa_s *bfa) 5859 { 5860 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5861 bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT); 5862 } 5863 static void 5864 bfa_dconf_start(struct bfa_s *bfa) 5865 { 5866 } 5867 5868 static void 5869 bfa_dconf_stop(struct bfa_s *bfa) 5870 { 5871 } 5872 5873 static void bfa_dconf_timer(void *cbarg) 5874 { 5875 struct bfa_dconf_mod_s *dconf = cbarg; 5876 bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT); 5877 } 5878 static void 5879 bfa_dconf_iocdisable(struct bfa_s *bfa) 5880 { 5881 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5882 bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE); 5883 } 5884 5885 static void 5886 bfa_dconf_detach(struct bfa_s *bfa) 5887 { 5888 } 5889 5890 static bfa_status_t 5891 bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf) 5892 { 5893 bfa_status_t bfa_status; 5894 bfa_trc(dconf->bfa, 0); 5895 5896 bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa), 5897 BFA_FLASH_PART_DRV, dconf->instance, 5898 dconf->dconf, sizeof(struct bfa_dconf_s), 0, 5899 bfa_dconf_cbfn, dconf); 5900 if (bfa_status != BFA_STATUS_OK) 5901 WARN_ON(bfa_status); 5902 bfa_trc(dconf->bfa, bfa_status); 5903 5904 return bfa_status; 5905 } 5906 5907 bfa_status_t 5908 bfa_dconf_update(struct bfa_s *bfa) 5909 { 5910 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5911 bfa_trc(dconf->bfa, 0); 5912 if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty)) 5913 return BFA_STATUS_FAILED; 5914 5915 if (dconf->min_cfg) { 5916 bfa_trc(dconf->bfa, dconf->min_cfg); 5917 return BFA_STATUS_FAILED; 5918 } 5919 5920 bfa_sm_send_event(dconf, BFA_DCONF_SM_WR); 5921 return BFA_STATUS_OK; 5922 } 5923 5924 static void 5925 bfa_dconf_cbfn(void *arg, bfa_status_t status) 5926 { 5927 struct bfa_dconf_mod_s *dconf = arg; 5928 WARN_ON(status); 5929 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 5930 } 5931 5932 void 5933 bfa_dconf_modexit(struct bfa_s *bfa) 5934 { 5935 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 5936 bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT); 5937 } 5938