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 #include "bfi.h" 25 26 BFA_TRC_FILE(CNA, IOC); 27 28 /* 29 * IOC local definitions 30 */ 31 #define BFA_IOC_TOV 3000 /* msecs */ 32 #define BFA_IOC_HWSEM_TOV 500 /* msecs */ 33 #define BFA_IOC_HB_TOV 500 /* msecs */ 34 #define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV 35 #define BFA_IOC_POLL_TOV BFA_TIMER_FREQ 36 37 #define bfa_ioc_timer_start(__ioc) \ 38 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 39 bfa_ioc_timeout, (__ioc), BFA_IOC_TOV) 40 #define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 41 42 #define bfa_hb_timer_start(__ioc) \ 43 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \ 44 bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV) 45 #define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer) 46 47 #define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) 48 49 #define bfa_ioc_state_disabled(__sm) \ 50 (((__sm) == BFI_IOC_UNINIT) || \ 51 ((__sm) == BFI_IOC_INITING) || \ 52 ((__sm) == BFI_IOC_HWINIT) || \ 53 ((__sm) == BFI_IOC_DISABLED) || \ 54 ((__sm) == BFI_IOC_FAIL) || \ 55 ((__sm) == BFI_IOC_CFG_DISABLED)) 56 57 /* 58 * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. 59 */ 60 61 #define bfa_ioc_firmware_lock(__ioc) \ 62 ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) 63 #define bfa_ioc_firmware_unlock(__ioc) \ 64 ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) 65 #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) 66 #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) 67 #define bfa_ioc_notify_fail(__ioc) \ 68 ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) 69 #define bfa_ioc_sync_start(__ioc) \ 70 ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) 71 #define bfa_ioc_sync_join(__ioc) \ 72 ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) 73 #define bfa_ioc_sync_leave(__ioc) \ 74 ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) 75 #define bfa_ioc_sync_ack(__ioc) \ 76 ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) 77 #define bfa_ioc_sync_complete(__ioc) \ 78 ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) 79 #define bfa_ioc_set_cur_ioc_fwstate(__ioc, __fwstate) \ 80 ((__ioc)->ioc_hwif->ioc_set_fwstate(__ioc, __fwstate)) 81 #define bfa_ioc_get_cur_ioc_fwstate(__ioc) \ 82 ((__ioc)->ioc_hwif->ioc_get_fwstate(__ioc)) 83 #define bfa_ioc_set_alt_ioc_fwstate(__ioc, __fwstate) \ 84 ((__ioc)->ioc_hwif->ioc_set_alt_fwstate(__ioc, __fwstate)) 85 #define bfa_ioc_get_alt_ioc_fwstate(__ioc) \ 86 ((__ioc)->ioc_hwif->ioc_get_alt_fwstate(__ioc)) 87 88 #define bfa_ioc_mbox_cmd_pending(__ioc) \ 89 (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ 90 readl((__ioc)->ioc_regs.hfn_mbox_cmd)) 91 92 bfa_boolean_t bfa_auto_recover = BFA_TRUE; 93 94 /* 95 * forward declarations 96 */ 97 static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); 98 static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); 99 static void bfa_ioc_timeout(void *ioc); 100 static void bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc); 101 static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); 102 static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); 103 static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); 104 static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); 105 static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); 106 static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc); 107 static void bfa_ioc_recover(struct bfa_ioc_s *ioc); 108 static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc , 109 enum bfa_ioc_event_e event); 110 static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); 111 static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); 112 static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc); 113 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); 114 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_fw_ver_patch_cmp( 115 struct bfi_ioc_image_hdr_s *base_fwhdr, 116 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp); 117 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_flash_fwver_cmp( 118 struct bfa_ioc_s *ioc, 119 struct bfi_ioc_image_hdr_s *base_fwhdr); 120 121 /* 122 * IOC state machine definitions/declarations 123 */ 124 enum ioc_event { 125 IOC_E_RESET = 1, /* IOC reset request */ 126 IOC_E_ENABLE = 2, /* IOC enable request */ 127 IOC_E_DISABLE = 3, /* IOC disable request */ 128 IOC_E_DETACH = 4, /* driver detach cleanup */ 129 IOC_E_ENABLED = 5, /* f/w enabled */ 130 IOC_E_FWRSP_GETATTR = 6, /* IOC get attribute response */ 131 IOC_E_DISABLED = 7, /* f/w disabled */ 132 IOC_E_PFFAILED = 8, /* failure notice by iocpf sm */ 133 IOC_E_HBFAIL = 9, /* heartbeat failure */ 134 IOC_E_HWERROR = 10, /* hardware error interrupt */ 135 IOC_E_TIMEOUT = 11, /* timeout */ 136 IOC_E_HWFAILED = 12, /* PCI mapping failure notice */ 137 }; 138 139 bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event); 140 bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event); 141 bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event); 142 bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event); 143 bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event); 144 bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event); 145 bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event); 146 bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); 147 bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); 148 bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event); 149 150 static struct bfa_sm_table_s ioc_sm_table[] = { 151 {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, 152 {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, 153 {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, 154 {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, 155 {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, 156 {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, 157 {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, 158 {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, 159 {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, 160 {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL}, 161 }; 162 163 /* 164 * IOCPF state machine definitions/declarations 165 */ 166 167 #define bfa_iocpf_timer_start(__ioc) \ 168 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 169 bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV) 170 #define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 171 172 #define bfa_iocpf_poll_timer_start(__ioc) \ 173 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 174 bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV) 175 176 #define bfa_sem_timer_start(__ioc) \ 177 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \ 178 bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV) 179 #define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer) 180 181 /* 182 * Forward declareations for iocpf state machine 183 */ 184 static void bfa_iocpf_timeout(void *ioc_arg); 185 static void bfa_iocpf_sem_timeout(void *ioc_arg); 186 static void bfa_iocpf_poll_timeout(void *ioc_arg); 187 188 /* 189 * IOCPF state machine events 190 */ 191 enum iocpf_event { 192 IOCPF_E_ENABLE = 1, /* IOCPF enable request */ 193 IOCPF_E_DISABLE = 2, /* IOCPF disable request */ 194 IOCPF_E_STOP = 3, /* stop on driver detach */ 195 IOCPF_E_FWREADY = 4, /* f/w initialization done */ 196 IOCPF_E_FWRSP_ENABLE = 5, /* enable f/w response */ 197 IOCPF_E_FWRSP_DISABLE = 6, /* disable f/w response */ 198 IOCPF_E_FAIL = 7, /* failure notice by ioc sm */ 199 IOCPF_E_INITFAIL = 8, /* init fail notice by ioc sm */ 200 IOCPF_E_GETATTRFAIL = 9, /* init fail notice by ioc sm */ 201 IOCPF_E_SEMLOCKED = 10, /* h/w semaphore is locked */ 202 IOCPF_E_TIMEOUT = 11, /* f/w response timeout */ 203 IOCPF_E_SEM_ERROR = 12, /* h/w sem mapping error */ 204 }; 205 206 /* 207 * IOCPF states 208 */ 209 enum bfa_iocpf_state { 210 BFA_IOCPF_RESET = 1, /* IOC is in reset state */ 211 BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */ 212 BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */ 213 BFA_IOCPF_READY = 4, /* IOCPF is initialized */ 214 BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */ 215 BFA_IOCPF_FAIL = 6, /* IOCPF failed */ 216 BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */ 217 BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */ 218 BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */ 219 }; 220 221 bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event); 222 bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event); 223 bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event); 224 bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event); 225 bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event); 226 bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event); 227 bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event); 228 bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf_s, 229 enum iocpf_event); 230 bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event); 231 bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf_s, enum iocpf_event); 232 bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event); 233 bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event); 234 bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s, 235 enum iocpf_event); 236 bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event); 237 238 static struct bfa_sm_table_s iocpf_sm_table[] = { 239 {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, 240 {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, 241 {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, 242 {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, 243 {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, 244 {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, 245 {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, 246 {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, 247 {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, 248 {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, 249 {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, 250 {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, 251 {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, 252 {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, 253 }; 254 255 /* 256 * IOC State Machine 257 */ 258 259 /* 260 * Beginning state. IOC uninit state. 261 */ 262 263 static void 264 bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc) 265 { 266 } 267 268 /* 269 * IOC is in uninit state. 270 */ 271 static void 272 bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event) 273 { 274 bfa_trc(ioc, event); 275 276 switch (event) { 277 case IOC_E_RESET: 278 bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); 279 break; 280 281 default: 282 bfa_sm_fault(ioc, event); 283 } 284 } 285 /* 286 * Reset entry actions -- initialize state machine 287 */ 288 static void 289 bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc) 290 { 291 bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); 292 } 293 294 /* 295 * IOC is in reset state. 296 */ 297 static void 298 bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) 299 { 300 bfa_trc(ioc, event); 301 302 switch (event) { 303 case IOC_E_ENABLE: 304 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 305 break; 306 307 case IOC_E_DISABLE: 308 bfa_ioc_disable_comp(ioc); 309 break; 310 311 case IOC_E_DETACH: 312 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 313 break; 314 315 default: 316 bfa_sm_fault(ioc, event); 317 } 318 } 319 320 321 static void 322 bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) 323 { 324 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); 325 } 326 327 /* 328 * Host IOC function is being enabled, awaiting response from firmware. 329 * Semaphore is acquired. 330 */ 331 static void 332 bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) 333 { 334 bfa_trc(ioc, event); 335 336 switch (event) { 337 case IOC_E_ENABLED: 338 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 339 break; 340 341 case IOC_E_PFFAILED: 342 /* !!! fall through !!! */ 343 case IOC_E_HWERROR: 344 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 345 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 346 if (event != IOC_E_PFFAILED) 347 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 348 break; 349 350 case IOC_E_HWFAILED: 351 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 352 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 353 break; 354 355 case IOC_E_DISABLE: 356 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 357 break; 358 359 case IOC_E_DETACH: 360 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 361 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 362 break; 363 364 case IOC_E_ENABLE: 365 break; 366 367 default: 368 bfa_sm_fault(ioc, event); 369 } 370 } 371 372 373 static void 374 bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) 375 { 376 bfa_ioc_timer_start(ioc); 377 bfa_ioc_send_getattr(ioc); 378 } 379 380 /* 381 * IOC configuration in progress. Timer is active. 382 */ 383 static void 384 bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) 385 { 386 bfa_trc(ioc, event); 387 388 switch (event) { 389 case IOC_E_FWRSP_GETATTR: 390 bfa_ioc_timer_stop(ioc); 391 bfa_fsm_set_state(ioc, bfa_ioc_sm_op); 392 break; 393 394 case IOC_E_PFFAILED: 395 case IOC_E_HWERROR: 396 bfa_ioc_timer_stop(ioc); 397 /* !!! fall through !!! */ 398 case IOC_E_TIMEOUT: 399 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 400 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 401 if (event != IOC_E_PFFAILED) 402 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); 403 break; 404 405 case IOC_E_DISABLE: 406 bfa_ioc_timer_stop(ioc); 407 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 408 break; 409 410 case IOC_E_ENABLE: 411 break; 412 413 default: 414 bfa_sm_fault(ioc, event); 415 } 416 } 417 418 static void 419 bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) 420 { 421 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 422 423 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); 424 bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); 425 bfa_ioc_hb_monitor(ioc); 426 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n"); 427 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); 428 } 429 430 static void 431 bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) 432 { 433 bfa_trc(ioc, event); 434 435 switch (event) { 436 case IOC_E_ENABLE: 437 break; 438 439 case IOC_E_DISABLE: 440 bfa_hb_timer_stop(ioc); 441 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 442 break; 443 444 case IOC_E_PFFAILED: 445 case IOC_E_HWERROR: 446 bfa_hb_timer_stop(ioc); 447 /* !!! fall through !!! */ 448 case IOC_E_HBFAIL: 449 if (ioc->iocpf.auto_recover) 450 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); 451 else 452 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 453 454 bfa_ioc_fail_notify(ioc); 455 456 if (event != IOC_E_PFFAILED) 457 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 458 break; 459 460 default: 461 bfa_sm_fault(ioc, event); 462 } 463 } 464 465 466 static void 467 bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) 468 { 469 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 470 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); 471 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n"); 472 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); 473 } 474 475 /* 476 * IOC is being disabled 477 */ 478 static void 479 bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) 480 { 481 bfa_trc(ioc, event); 482 483 switch (event) { 484 case IOC_E_DISABLED: 485 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); 486 break; 487 488 case IOC_E_HWERROR: 489 /* 490 * No state change. Will move to disabled state 491 * after iocpf sm completes failure processing and 492 * moves to disabled state. 493 */ 494 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 495 break; 496 497 case IOC_E_HWFAILED: 498 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 499 bfa_ioc_disable_comp(ioc); 500 break; 501 502 default: 503 bfa_sm_fault(ioc, event); 504 } 505 } 506 507 /* 508 * IOC disable completion entry. 509 */ 510 static void 511 bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) 512 { 513 bfa_ioc_disable_comp(ioc); 514 } 515 516 static void 517 bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) 518 { 519 bfa_trc(ioc, event); 520 521 switch (event) { 522 case IOC_E_ENABLE: 523 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 524 break; 525 526 case IOC_E_DISABLE: 527 ioc->cbfn->disable_cbfn(ioc->bfa); 528 break; 529 530 case IOC_E_DETACH: 531 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 532 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 533 break; 534 535 default: 536 bfa_sm_fault(ioc, event); 537 } 538 } 539 540 541 static void 542 bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc) 543 { 544 bfa_trc(ioc, 0); 545 } 546 547 /* 548 * Hardware initialization retry. 549 */ 550 static void 551 bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event) 552 { 553 bfa_trc(ioc, event); 554 555 switch (event) { 556 case IOC_E_ENABLED: 557 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 558 break; 559 560 case IOC_E_PFFAILED: 561 case IOC_E_HWERROR: 562 /* 563 * Initialization retry failed. 564 */ 565 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 566 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 567 if (event != IOC_E_PFFAILED) 568 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 569 break; 570 571 case IOC_E_HWFAILED: 572 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 573 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 574 break; 575 576 case IOC_E_ENABLE: 577 break; 578 579 case IOC_E_DISABLE: 580 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 581 break; 582 583 case IOC_E_DETACH: 584 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 585 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 586 break; 587 588 default: 589 bfa_sm_fault(ioc, event); 590 } 591 } 592 593 594 static void 595 bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc) 596 { 597 bfa_trc(ioc, 0); 598 } 599 600 /* 601 * IOC failure. 602 */ 603 static void 604 bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event) 605 { 606 bfa_trc(ioc, event); 607 608 switch (event) { 609 610 case IOC_E_ENABLE: 611 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 612 break; 613 614 case IOC_E_DISABLE: 615 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 616 break; 617 618 case IOC_E_DETACH: 619 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 620 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 621 break; 622 623 case IOC_E_HWERROR: 624 case IOC_E_HWFAILED: 625 /* 626 * HB failure / HW error notification, ignore. 627 */ 628 break; 629 default: 630 bfa_sm_fault(ioc, event); 631 } 632 } 633 634 static void 635 bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc) 636 { 637 bfa_trc(ioc, 0); 638 } 639 640 static void 641 bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event) 642 { 643 bfa_trc(ioc, event); 644 645 switch (event) { 646 case IOC_E_ENABLE: 647 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 648 break; 649 650 case IOC_E_DISABLE: 651 ioc->cbfn->disable_cbfn(ioc->bfa); 652 break; 653 654 case IOC_E_DETACH: 655 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 656 break; 657 658 case IOC_E_HWERROR: 659 /* Ignore - already in hwfail state */ 660 break; 661 662 default: 663 bfa_sm_fault(ioc, event); 664 } 665 } 666 667 /* 668 * IOCPF State Machine 669 */ 670 671 /* 672 * Reset entry actions -- initialize state machine 673 */ 674 static void 675 bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf) 676 { 677 iocpf->fw_mismatch_notified = BFA_FALSE; 678 iocpf->auto_recover = bfa_auto_recover; 679 } 680 681 /* 682 * Beginning state. IOC is in reset state. 683 */ 684 static void 685 bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 686 { 687 struct bfa_ioc_s *ioc = iocpf->ioc; 688 689 bfa_trc(ioc, event); 690 691 switch (event) { 692 case IOCPF_E_ENABLE: 693 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 694 break; 695 696 case IOCPF_E_STOP: 697 break; 698 699 default: 700 bfa_sm_fault(ioc, event); 701 } 702 } 703 704 /* 705 * Semaphore should be acquired for version check. 706 */ 707 static void 708 bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) 709 { 710 struct bfi_ioc_image_hdr_s fwhdr; 711 u32 r32, fwstate, pgnum, pgoff, loff = 0; 712 int i; 713 714 /* 715 * Spin on init semaphore to serialize. 716 */ 717 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 718 while (r32 & 0x1) { 719 udelay(20); 720 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 721 } 722 723 /* h/w sem init */ 724 fwstate = bfa_ioc_get_cur_ioc_fwstate(iocpf->ioc); 725 if (fwstate == BFI_IOC_UNINIT) { 726 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 727 goto sem_get; 728 } 729 730 bfa_ioc_fwver_get(iocpf->ioc, &fwhdr); 731 732 if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { 733 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 734 goto sem_get; 735 } 736 737 /* 738 * Clear fwver hdr 739 */ 740 pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff); 741 pgoff = PSS_SMEM_PGOFF(loff); 742 writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn); 743 744 for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) { 745 bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0); 746 loff += sizeof(u32); 747 } 748 749 bfa_trc(iocpf->ioc, fwstate); 750 bfa_trc(iocpf->ioc, swab32(fwhdr.exec)); 751 bfa_ioc_set_cur_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); 752 bfa_ioc_set_alt_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); 753 754 /* 755 * Unlock the hw semaphore. Should be here only once per boot. 756 */ 757 bfa_ioc_ownership_reset(iocpf->ioc); 758 759 /* 760 * unlock init semaphore. 761 */ 762 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 763 764 sem_get: 765 bfa_ioc_hw_sem_get(iocpf->ioc); 766 } 767 768 /* 769 * Awaiting h/w semaphore to continue with version check. 770 */ 771 static void 772 bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 773 { 774 struct bfa_ioc_s *ioc = iocpf->ioc; 775 776 bfa_trc(ioc, event); 777 778 switch (event) { 779 case IOCPF_E_SEMLOCKED: 780 if (bfa_ioc_firmware_lock(ioc)) { 781 if (bfa_ioc_sync_start(ioc)) { 782 bfa_ioc_sync_join(ioc); 783 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 784 } else { 785 bfa_ioc_firmware_unlock(ioc); 786 writel(1, ioc->ioc_regs.ioc_sem_reg); 787 bfa_sem_timer_start(ioc); 788 } 789 } else { 790 writel(1, ioc->ioc_regs.ioc_sem_reg); 791 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); 792 } 793 break; 794 795 case IOCPF_E_SEM_ERROR: 796 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 797 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 798 break; 799 800 case IOCPF_E_DISABLE: 801 bfa_sem_timer_stop(ioc); 802 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 803 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 804 break; 805 806 case IOCPF_E_STOP: 807 bfa_sem_timer_stop(ioc); 808 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 809 break; 810 811 default: 812 bfa_sm_fault(ioc, event); 813 } 814 } 815 816 /* 817 * Notify enable completion callback. 818 */ 819 static void 820 bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf) 821 { 822 /* 823 * Call only the first time sm enters fwmismatch state. 824 */ 825 if (iocpf->fw_mismatch_notified == BFA_FALSE) 826 bfa_ioc_pf_fwmismatch(iocpf->ioc); 827 828 iocpf->fw_mismatch_notified = BFA_TRUE; 829 bfa_iocpf_timer_start(iocpf->ioc); 830 } 831 832 /* 833 * Awaiting firmware version match. 834 */ 835 static void 836 bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 837 { 838 struct bfa_ioc_s *ioc = iocpf->ioc; 839 840 bfa_trc(ioc, event); 841 842 switch (event) { 843 case IOCPF_E_TIMEOUT: 844 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 845 break; 846 847 case IOCPF_E_DISABLE: 848 bfa_iocpf_timer_stop(ioc); 849 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 850 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 851 break; 852 853 case IOCPF_E_STOP: 854 bfa_iocpf_timer_stop(ioc); 855 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 856 break; 857 858 default: 859 bfa_sm_fault(ioc, event); 860 } 861 } 862 863 /* 864 * Request for semaphore. 865 */ 866 static void 867 bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf) 868 { 869 bfa_ioc_hw_sem_get(iocpf->ioc); 870 } 871 872 /* 873 * Awaiting semaphore for h/w initialzation. 874 */ 875 static void 876 bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 877 { 878 struct bfa_ioc_s *ioc = iocpf->ioc; 879 880 bfa_trc(ioc, event); 881 882 switch (event) { 883 case IOCPF_E_SEMLOCKED: 884 if (bfa_ioc_sync_complete(ioc)) { 885 bfa_ioc_sync_join(ioc); 886 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 887 } else { 888 writel(1, ioc->ioc_regs.ioc_sem_reg); 889 bfa_sem_timer_start(ioc); 890 } 891 break; 892 893 case IOCPF_E_SEM_ERROR: 894 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 895 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 896 break; 897 898 case IOCPF_E_DISABLE: 899 bfa_sem_timer_stop(ioc); 900 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 901 break; 902 903 default: 904 bfa_sm_fault(ioc, event); 905 } 906 } 907 908 static void 909 bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf) 910 { 911 iocpf->poll_time = 0; 912 bfa_ioc_hwinit(iocpf->ioc, BFA_FALSE); 913 } 914 915 /* 916 * Hardware is being initialized. Interrupts are enabled. 917 * Holding hardware semaphore lock. 918 */ 919 static void 920 bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 921 { 922 struct bfa_ioc_s *ioc = iocpf->ioc; 923 924 bfa_trc(ioc, event); 925 926 switch (event) { 927 case IOCPF_E_FWREADY: 928 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); 929 break; 930 931 case IOCPF_E_TIMEOUT: 932 writel(1, ioc->ioc_regs.ioc_sem_reg); 933 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 934 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 935 break; 936 937 case IOCPF_E_DISABLE: 938 bfa_iocpf_timer_stop(ioc); 939 bfa_ioc_sync_leave(ioc); 940 writel(1, ioc->ioc_regs.ioc_sem_reg); 941 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 942 break; 943 944 default: 945 bfa_sm_fault(ioc, event); 946 } 947 } 948 949 static void 950 bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf) 951 { 952 bfa_iocpf_timer_start(iocpf->ioc); 953 /* 954 * Enable Interrupts before sending fw IOC ENABLE cmd. 955 */ 956 iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa); 957 bfa_ioc_send_enable(iocpf->ioc); 958 } 959 960 /* 961 * Host IOC function is being enabled, awaiting response from firmware. 962 * Semaphore is acquired. 963 */ 964 static void 965 bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 966 { 967 struct bfa_ioc_s *ioc = iocpf->ioc; 968 969 bfa_trc(ioc, event); 970 971 switch (event) { 972 case IOCPF_E_FWRSP_ENABLE: 973 bfa_iocpf_timer_stop(ioc); 974 writel(1, ioc->ioc_regs.ioc_sem_reg); 975 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); 976 break; 977 978 case IOCPF_E_INITFAIL: 979 bfa_iocpf_timer_stop(ioc); 980 /* 981 * !!! fall through !!! 982 */ 983 984 case IOCPF_E_TIMEOUT: 985 writel(1, ioc->ioc_regs.ioc_sem_reg); 986 if (event == IOCPF_E_TIMEOUT) 987 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 988 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 989 break; 990 991 case IOCPF_E_DISABLE: 992 bfa_iocpf_timer_stop(ioc); 993 writel(1, ioc->ioc_regs.ioc_sem_reg); 994 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 995 break; 996 997 default: 998 bfa_sm_fault(ioc, event); 999 } 1000 } 1001 1002 static void 1003 bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf) 1004 { 1005 bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED); 1006 } 1007 1008 static void 1009 bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1010 { 1011 struct bfa_ioc_s *ioc = iocpf->ioc; 1012 1013 bfa_trc(ioc, event); 1014 1015 switch (event) { 1016 case IOCPF_E_DISABLE: 1017 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 1018 break; 1019 1020 case IOCPF_E_GETATTRFAIL: 1021 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 1022 break; 1023 1024 case IOCPF_E_FAIL: 1025 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); 1026 break; 1027 1028 default: 1029 bfa_sm_fault(ioc, event); 1030 } 1031 } 1032 1033 static void 1034 bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf) 1035 { 1036 bfa_iocpf_timer_start(iocpf->ioc); 1037 bfa_ioc_send_disable(iocpf->ioc); 1038 } 1039 1040 /* 1041 * IOC is being disabled 1042 */ 1043 static void 1044 bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1045 { 1046 struct bfa_ioc_s *ioc = iocpf->ioc; 1047 1048 bfa_trc(ioc, event); 1049 1050 switch (event) { 1051 case IOCPF_E_FWRSP_DISABLE: 1052 bfa_iocpf_timer_stop(ioc); 1053 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1054 break; 1055 1056 case IOCPF_E_FAIL: 1057 bfa_iocpf_timer_stop(ioc); 1058 /* 1059 * !!! fall through !!! 1060 */ 1061 1062 case IOCPF_E_TIMEOUT: 1063 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1064 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1065 break; 1066 1067 case IOCPF_E_FWRSP_ENABLE: 1068 break; 1069 1070 default: 1071 bfa_sm_fault(ioc, event); 1072 } 1073 } 1074 1075 static void 1076 bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *iocpf) 1077 { 1078 bfa_ioc_hw_sem_get(iocpf->ioc); 1079 } 1080 1081 /* 1082 * IOC hb ack request is being removed. 1083 */ 1084 static void 1085 bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1086 { 1087 struct bfa_ioc_s *ioc = iocpf->ioc; 1088 1089 bfa_trc(ioc, event); 1090 1091 switch (event) { 1092 case IOCPF_E_SEMLOCKED: 1093 bfa_ioc_sync_leave(ioc); 1094 writel(1, ioc->ioc_regs.ioc_sem_reg); 1095 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1096 break; 1097 1098 case IOCPF_E_SEM_ERROR: 1099 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1100 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1101 break; 1102 1103 case IOCPF_E_FAIL: 1104 break; 1105 1106 default: 1107 bfa_sm_fault(ioc, event); 1108 } 1109 } 1110 1111 /* 1112 * IOC disable completion entry. 1113 */ 1114 static void 1115 bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf) 1116 { 1117 bfa_ioc_mbox_flush(iocpf->ioc); 1118 bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED); 1119 } 1120 1121 static void 1122 bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1123 { 1124 struct bfa_ioc_s *ioc = iocpf->ioc; 1125 1126 bfa_trc(ioc, event); 1127 1128 switch (event) { 1129 case IOCPF_E_ENABLE: 1130 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1131 break; 1132 1133 case IOCPF_E_STOP: 1134 bfa_ioc_firmware_unlock(ioc); 1135 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1136 break; 1137 1138 default: 1139 bfa_sm_fault(ioc, event); 1140 } 1141 } 1142 1143 static void 1144 bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf) 1145 { 1146 bfa_ioc_debug_save_ftrc(iocpf->ioc); 1147 bfa_ioc_hw_sem_get(iocpf->ioc); 1148 } 1149 1150 /* 1151 * Hardware initialization failed. 1152 */ 1153 static void 1154 bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1155 { 1156 struct bfa_ioc_s *ioc = iocpf->ioc; 1157 1158 bfa_trc(ioc, event); 1159 1160 switch (event) { 1161 case IOCPF_E_SEMLOCKED: 1162 bfa_ioc_notify_fail(ioc); 1163 bfa_ioc_sync_leave(ioc); 1164 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1165 writel(1, ioc->ioc_regs.ioc_sem_reg); 1166 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); 1167 break; 1168 1169 case IOCPF_E_SEM_ERROR: 1170 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1171 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1172 break; 1173 1174 case IOCPF_E_DISABLE: 1175 bfa_sem_timer_stop(ioc); 1176 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1177 break; 1178 1179 case IOCPF_E_STOP: 1180 bfa_sem_timer_stop(ioc); 1181 bfa_ioc_firmware_unlock(ioc); 1182 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1183 break; 1184 1185 case IOCPF_E_FAIL: 1186 break; 1187 1188 default: 1189 bfa_sm_fault(ioc, event); 1190 } 1191 } 1192 1193 static void 1194 bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf) 1195 { 1196 bfa_trc(iocpf->ioc, 0); 1197 } 1198 1199 /* 1200 * Hardware initialization failed. 1201 */ 1202 static void 1203 bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1204 { 1205 struct bfa_ioc_s *ioc = iocpf->ioc; 1206 1207 bfa_trc(ioc, event); 1208 1209 switch (event) { 1210 case IOCPF_E_DISABLE: 1211 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1212 break; 1213 1214 case IOCPF_E_STOP: 1215 bfa_ioc_firmware_unlock(ioc); 1216 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1217 break; 1218 1219 default: 1220 bfa_sm_fault(ioc, event); 1221 } 1222 } 1223 1224 static void 1225 bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *iocpf) 1226 { 1227 /* 1228 * Mark IOC as failed in hardware and stop firmware. 1229 */ 1230 bfa_ioc_lpu_stop(iocpf->ioc); 1231 1232 /* 1233 * Flush any queued up mailbox requests. 1234 */ 1235 bfa_ioc_mbox_flush(iocpf->ioc); 1236 1237 bfa_ioc_hw_sem_get(iocpf->ioc); 1238 } 1239 1240 static void 1241 bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1242 { 1243 struct bfa_ioc_s *ioc = iocpf->ioc; 1244 1245 bfa_trc(ioc, event); 1246 1247 switch (event) { 1248 case IOCPF_E_SEMLOCKED: 1249 bfa_ioc_sync_ack(ioc); 1250 bfa_ioc_notify_fail(ioc); 1251 if (!iocpf->auto_recover) { 1252 bfa_ioc_sync_leave(ioc); 1253 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1254 writel(1, ioc->ioc_regs.ioc_sem_reg); 1255 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1256 } else { 1257 if (bfa_ioc_sync_complete(ioc)) 1258 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 1259 else { 1260 writel(1, ioc->ioc_regs.ioc_sem_reg); 1261 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1262 } 1263 } 1264 break; 1265 1266 case IOCPF_E_SEM_ERROR: 1267 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1268 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1269 break; 1270 1271 case IOCPF_E_DISABLE: 1272 bfa_sem_timer_stop(ioc); 1273 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1274 break; 1275 1276 case IOCPF_E_FAIL: 1277 break; 1278 1279 default: 1280 bfa_sm_fault(ioc, event); 1281 } 1282 } 1283 1284 static void 1285 bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf) 1286 { 1287 bfa_trc(iocpf->ioc, 0); 1288 } 1289 1290 /* 1291 * IOC is in failed state. 1292 */ 1293 static void 1294 bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1295 { 1296 struct bfa_ioc_s *ioc = iocpf->ioc; 1297 1298 bfa_trc(ioc, event); 1299 1300 switch (event) { 1301 case IOCPF_E_DISABLE: 1302 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1303 break; 1304 1305 default: 1306 bfa_sm_fault(ioc, event); 1307 } 1308 } 1309 1310 /* 1311 * BFA IOC private functions 1312 */ 1313 1314 /* 1315 * Notify common modules registered for notification. 1316 */ 1317 static void 1318 bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event) 1319 { 1320 struct bfa_ioc_notify_s *notify; 1321 struct list_head *qe; 1322 1323 list_for_each(qe, &ioc->notify_q) { 1324 notify = (struct bfa_ioc_notify_s *)qe; 1325 notify->cbfn(notify->cbarg, event); 1326 } 1327 } 1328 1329 static void 1330 bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) 1331 { 1332 ioc->cbfn->disable_cbfn(ioc->bfa); 1333 bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); 1334 } 1335 1336 bfa_boolean_t 1337 bfa_ioc_sem_get(void __iomem *sem_reg) 1338 { 1339 u32 r32; 1340 int cnt = 0; 1341 #define BFA_SEM_SPINCNT 3000 1342 1343 r32 = readl(sem_reg); 1344 1345 while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) { 1346 cnt++; 1347 udelay(2); 1348 r32 = readl(sem_reg); 1349 } 1350 1351 if (!(r32 & 1)) 1352 return BFA_TRUE; 1353 1354 return BFA_FALSE; 1355 } 1356 1357 static void 1358 bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc) 1359 { 1360 u32 r32; 1361 1362 /* 1363 * First read to the semaphore register will return 0, subsequent reads 1364 * will return 1. Semaphore is released by writing 1 to the register 1365 */ 1366 r32 = readl(ioc->ioc_regs.ioc_sem_reg); 1367 if (r32 == ~0) { 1368 WARN_ON(r32 == ~0); 1369 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR); 1370 return; 1371 } 1372 if (!(r32 & 1)) { 1373 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); 1374 return; 1375 } 1376 1377 bfa_sem_timer_start(ioc); 1378 } 1379 1380 /* 1381 * Initialize LPU local memory (aka secondary memory / SRAM) 1382 */ 1383 static void 1384 bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) 1385 { 1386 u32 pss_ctl; 1387 int i; 1388 #define PSS_LMEM_INIT_TIME 10000 1389 1390 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1391 pss_ctl &= ~__PSS_LMEM_RESET; 1392 pss_ctl |= __PSS_LMEM_INIT_EN; 1393 1394 /* 1395 * i2c workaround 12.5khz clock 1396 */ 1397 pss_ctl |= __PSS_I2C_CLK_DIV(3UL); 1398 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1399 1400 /* 1401 * wait for memory initialization to be complete 1402 */ 1403 i = 0; 1404 do { 1405 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1406 i++; 1407 } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); 1408 1409 /* 1410 * If memory initialization is not successful, IOC timeout will catch 1411 * such failures. 1412 */ 1413 WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); 1414 bfa_trc(ioc, pss_ctl); 1415 1416 pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); 1417 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1418 } 1419 1420 static void 1421 bfa_ioc_lpu_start(struct bfa_ioc_s *ioc) 1422 { 1423 u32 pss_ctl; 1424 1425 /* 1426 * Take processor out of reset. 1427 */ 1428 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1429 pss_ctl &= ~__PSS_LPU0_RESET; 1430 1431 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1432 } 1433 1434 static void 1435 bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc) 1436 { 1437 u32 pss_ctl; 1438 1439 /* 1440 * Put processors in reset. 1441 */ 1442 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1443 pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); 1444 1445 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1446 } 1447 1448 /* 1449 * Get driver and firmware versions. 1450 */ 1451 void 1452 bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) 1453 { 1454 u32 pgnum, pgoff; 1455 u32 loff = 0; 1456 int i; 1457 u32 *fwsig = (u32 *) fwhdr; 1458 1459 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1460 pgoff = PSS_SMEM_PGOFF(loff); 1461 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1462 1463 for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32)); 1464 i++) { 1465 fwsig[i] = 1466 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 1467 loff += sizeof(u32); 1468 } 1469 } 1470 1471 /* 1472 * Returns TRUE if driver is willing to work with current smem f/w version. 1473 */ 1474 bfa_boolean_t 1475 bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, 1476 struct bfi_ioc_image_hdr_s *smem_fwhdr) 1477 { 1478 struct bfi_ioc_image_hdr_s *drv_fwhdr; 1479 enum bfi_ioc_img_ver_cmp_e smem_flash_cmp, drv_smem_cmp; 1480 1481 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 1482 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 1483 1484 /* 1485 * If smem is incompatible or old, driver should not work with it. 1486 */ 1487 drv_smem_cmp = bfa_ioc_fw_ver_patch_cmp(drv_fwhdr, smem_fwhdr); 1488 if (drv_smem_cmp == BFI_IOC_IMG_VER_INCOMP || 1489 drv_smem_cmp == BFI_IOC_IMG_VER_OLD) { 1490 return BFA_FALSE; 1491 } 1492 1493 /* 1494 * IF Flash has a better F/W than smem do not work with smem. 1495 * If smem f/w == flash f/w, as smem f/w not old | incmp, work with it. 1496 * If Flash is old or incomp work with smem iff smem f/w == drv f/w. 1497 */ 1498 smem_flash_cmp = bfa_ioc_flash_fwver_cmp(ioc, smem_fwhdr); 1499 1500 if (smem_flash_cmp == BFI_IOC_IMG_VER_BETTER) { 1501 return BFA_FALSE; 1502 } else if (smem_flash_cmp == BFI_IOC_IMG_VER_SAME) { 1503 return BFA_TRUE; 1504 } else { 1505 return (drv_smem_cmp == BFI_IOC_IMG_VER_SAME) ? 1506 BFA_TRUE : BFA_FALSE; 1507 } 1508 } 1509 1510 /* 1511 * Return true if current running version is valid. Firmware signature and 1512 * execution context (driver/bios) must match. 1513 */ 1514 static bfa_boolean_t 1515 bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env) 1516 { 1517 struct bfi_ioc_image_hdr_s fwhdr; 1518 1519 bfa_ioc_fwver_get(ioc, &fwhdr); 1520 1521 if (swab32(fwhdr.bootenv) != boot_env) { 1522 bfa_trc(ioc, fwhdr.bootenv); 1523 bfa_trc(ioc, boot_env); 1524 return BFA_FALSE; 1525 } 1526 1527 return bfa_ioc_fwver_cmp(ioc, &fwhdr); 1528 } 1529 1530 static bfa_boolean_t 1531 bfa_ioc_fwver_md5_check(struct bfi_ioc_image_hdr_s *fwhdr_1, 1532 struct bfi_ioc_image_hdr_s *fwhdr_2) 1533 { 1534 int i; 1535 1536 for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) 1537 if (fwhdr_1->md5sum[i] != fwhdr_2->md5sum[i]) 1538 return BFA_FALSE; 1539 1540 return BFA_TRUE; 1541 } 1542 1543 /* 1544 * Returns TRUE if major minor and maintainence are same. 1545 * If patch versions are same, check for MD5 Checksum to be same. 1546 */ 1547 static bfa_boolean_t 1548 bfa_ioc_fw_ver_compatible(struct bfi_ioc_image_hdr_s *drv_fwhdr, 1549 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) 1550 { 1551 if (drv_fwhdr->signature != fwhdr_to_cmp->signature) 1552 return BFA_FALSE; 1553 1554 if (drv_fwhdr->fwver.major != fwhdr_to_cmp->fwver.major) 1555 return BFA_FALSE; 1556 1557 if (drv_fwhdr->fwver.minor != fwhdr_to_cmp->fwver.minor) 1558 return BFA_FALSE; 1559 1560 if (drv_fwhdr->fwver.maint != fwhdr_to_cmp->fwver.maint) 1561 return BFA_FALSE; 1562 1563 if (drv_fwhdr->fwver.patch == fwhdr_to_cmp->fwver.patch && 1564 drv_fwhdr->fwver.phase == fwhdr_to_cmp->fwver.phase && 1565 drv_fwhdr->fwver.build == fwhdr_to_cmp->fwver.build) { 1566 return bfa_ioc_fwver_md5_check(drv_fwhdr, fwhdr_to_cmp); 1567 } 1568 1569 return BFA_TRUE; 1570 } 1571 1572 static bfa_boolean_t 1573 bfa_ioc_flash_fwver_valid(struct bfi_ioc_image_hdr_s *flash_fwhdr) 1574 { 1575 if (flash_fwhdr->fwver.major == 0 || flash_fwhdr->fwver.major == 0xFF) 1576 return BFA_FALSE; 1577 1578 return BFA_TRUE; 1579 } 1580 1581 static bfa_boolean_t fwhdr_is_ga(struct bfi_ioc_image_hdr_s *fwhdr) 1582 { 1583 if (fwhdr->fwver.phase == 0 && 1584 fwhdr->fwver.build == 0) 1585 return BFA_TRUE; 1586 1587 return BFA_FALSE; 1588 } 1589 1590 /* 1591 * Returns TRUE if both are compatible and patch of fwhdr_to_cmp is better. 1592 */ 1593 static enum bfi_ioc_img_ver_cmp_e 1594 bfa_ioc_fw_ver_patch_cmp(struct bfi_ioc_image_hdr_s *base_fwhdr, 1595 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) 1596 { 1597 if (bfa_ioc_fw_ver_compatible(base_fwhdr, fwhdr_to_cmp) == BFA_FALSE) 1598 return BFI_IOC_IMG_VER_INCOMP; 1599 1600 if (fwhdr_to_cmp->fwver.patch > base_fwhdr->fwver.patch) 1601 return BFI_IOC_IMG_VER_BETTER; 1602 1603 else if (fwhdr_to_cmp->fwver.patch < base_fwhdr->fwver.patch) 1604 return BFI_IOC_IMG_VER_OLD; 1605 1606 /* 1607 * GA takes priority over internal builds of the same patch stream. 1608 * At this point major minor maint and patch numbers are same. 1609 */ 1610 1611 if (fwhdr_is_ga(base_fwhdr) == BFA_TRUE) { 1612 if (fwhdr_is_ga(fwhdr_to_cmp)) 1613 return BFI_IOC_IMG_VER_SAME; 1614 else 1615 return BFI_IOC_IMG_VER_OLD; 1616 } else { 1617 if (fwhdr_is_ga(fwhdr_to_cmp)) 1618 return BFI_IOC_IMG_VER_BETTER; 1619 } 1620 1621 if (fwhdr_to_cmp->fwver.phase > base_fwhdr->fwver.phase) 1622 return BFI_IOC_IMG_VER_BETTER; 1623 else if (fwhdr_to_cmp->fwver.phase < base_fwhdr->fwver.phase) 1624 return BFI_IOC_IMG_VER_OLD; 1625 1626 if (fwhdr_to_cmp->fwver.build > base_fwhdr->fwver.build) 1627 return BFI_IOC_IMG_VER_BETTER; 1628 else if (fwhdr_to_cmp->fwver.build < base_fwhdr->fwver.build) 1629 return BFI_IOC_IMG_VER_OLD; 1630 1631 /* 1632 * All Version Numbers are equal. 1633 * Md5 check to be done as a part of compatibility check. 1634 */ 1635 return BFI_IOC_IMG_VER_SAME; 1636 } 1637 1638 #define BFA_FLASH_PART_FWIMG_ADDR 0x100000 /* fw image address */ 1639 1640 bfa_status_t 1641 bfa_ioc_flash_img_get_chnk(struct bfa_ioc_s *ioc, u32 off, 1642 u32 *fwimg) 1643 { 1644 return bfa_flash_raw_read(ioc->pcidev.pci_bar_kva, 1645 BFA_FLASH_PART_FWIMG_ADDR + (off * sizeof(u32)), 1646 (char *)fwimg, BFI_FLASH_CHUNK_SZ); 1647 } 1648 1649 static enum bfi_ioc_img_ver_cmp_e 1650 bfa_ioc_flash_fwver_cmp(struct bfa_ioc_s *ioc, 1651 struct bfi_ioc_image_hdr_s *base_fwhdr) 1652 { 1653 struct bfi_ioc_image_hdr_s *flash_fwhdr; 1654 bfa_status_t status; 1655 u32 fwimg[BFI_FLASH_CHUNK_SZ_WORDS]; 1656 1657 status = bfa_ioc_flash_img_get_chnk(ioc, 0, fwimg); 1658 if (status != BFA_STATUS_OK) 1659 return BFI_IOC_IMG_VER_INCOMP; 1660 1661 flash_fwhdr = (struct bfi_ioc_image_hdr_s *) fwimg; 1662 if (bfa_ioc_flash_fwver_valid(flash_fwhdr) == BFA_TRUE) 1663 return bfa_ioc_fw_ver_patch_cmp(base_fwhdr, flash_fwhdr); 1664 else 1665 return BFI_IOC_IMG_VER_INCOMP; 1666 } 1667 1668 1669 /* 1670 * Invalidate fwver signature 1671 */ 1672 bfa_status_t 1673 bfa_ioc_fwsig_invalidate(struct bfa_ioc_s *ioc) 1674 { 1675 1676 u32 pgnum, pgoff; 1677 u32 loff = 0; 1678 enum bfi_ioc_state ioc_fwstate; 1679 1680 ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 1681 if (!bfa_ioc_state_disabled(ioc_fwstate)) 1682 return BFA_STATUS_ADAPTER_ENABLED; 1683 1684 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1685 pgoff = PSS_SMEM_PGOFF(loff); 1686 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1687 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, BFA_IOC_FW_INV_SIGN); 1688 1689 return BFA_STATUS_OK; 1690 } 1691 1692 /* 1693 * Conditionally flush any pending message from firmware at start. 1694 */ 1695 static void 1696 bfa_ioc_msgflush(struct bfa_ioc_s *ioc) 1697 { 1698 u32 r32; 1699 1700 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 1701 if (r32) 1702 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 1703 } 1704 1705 static void 1706 bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force) 1707 { 1708 enum bfi_ioc_state ioc_fwstate; 1709 bfa_boolean_t fwvalid; 1710 u32 boot_type; 1711 u32 boot_env; 1712 1713 ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 1714 1715 if (force) 1716 ioc_fwstate = BFI_IOC_UNINIT; 1717 1718 bfa_trc(ioc, ioc_fwstate); 1719 1720 boot_type = BFI_FWBOOT_TYPE_NORMAL; 1721 boot_env = BFI_FWBOOT_ENV_OS; 1722 1723 /* 1724 * check if firmware is valid 1725 */ 1726 fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? 1727 BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env); 1728 1729 if (!fwvalid) { 1730 if (bfa_ioc_boot(ioc, boot_type, boot_env) == BFA_STATUS_OK) 1731 bfa_ioc_poll_fwinit(ioc); 1732 return; 1733 } 1734 1735 /* 1736 * If hardware initialization is in progress (initialized by other IOC), 1737 * just wait for an initialization completion interrupt. 1738 */ 1739 if (ioc_fwstate == BFI_IOC_INITING) { 1740 bfa_ioc_poll_fwinit(ioc); 1741 return; 1742 } 1743 1744 /* 1745 * If IOC function is disabled and firmware version is same, 1746 * just re-enable IOC. 1747 * 1748 * If option rom, IOC must not be in operational state. With 1749 * convergence, IOC will be in operational state when 2nd driver 1750 * is loaded. 1751 */ 1752 if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { 1753 1754 /* 1755 * When using MSI-X any pending firmware ready event should 1756 * be flushed. Otherwise MSI-X interrupts are not delivered. 1757 */ 1758 bfa_ioc_msgflush(ioc); 1759 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 1760 return; 1761 } 1762 1763 /* 1764 * Initialize the h/w for any other states. 1765 */ 1766 if (bfa_ioc_boot(ioc, boot_type, boot_env) == BFA_STATUS_OK) 1767 bfa_ioc_poll_fwinit(ioc); 1768 } 1769 1770 static void 1771 bfa_ioc_timeout(void *ioc_arg) 1772 { 1773 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 1774 1775 bfa_trc(ioc, 0); 1776 bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); 1777 } 1778 1779 void 1780 bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) 1781 { 1782 u32 *msgp = (u32 *) ioc_msg; 1783 u32 i; 1784 1785 bfa_trc(ioc, msgp[0]); 1786 bfa_trc(ioc, len); 1787 1788 WARN_ON(len > BFI_IOC_MSGLEN_MAX); 1789 1790 /* 1791 * first write msg to mailbox registers 1792 */ 1793 for (i = 0; i < len / sizeof(u32); i++) 1794 writel(cpu_to_le32(msgp[i]), 1795 ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1796 1797 for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) 1798 writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1799 1800 /* 1801 * write 1 to mailbox CMD to trigger LPU event 1802 */ 1803 writel(1, ioc->ioc_regs.hfn_mbox_cmd); 1804 (void) readl(ioc->ioc_regs.hfn_mbox_cmd); 1805 } 1806 1807 static void 1808 bfa_ioc_send_enable(struct bfa_ioc_s *ioc) 1809 { 1810 struct bfi_ioc_ctrl_req_s enable_req; 1811 struct timeval tv; 1812 1813 bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, 1814 bfa_ioc_portid(ioc)); 1815 enable_req.clscode = cpu_to_be16(ioc->clscode); 1816 do_gettimeofday(&tv); 1817 enable_req.tv_sec = be32_to_cpu(tv.tv_sec); 1818 bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1819 } 1820 1821 static void 1822 bfa_ioc_send_disable(struct bfa_ioc_s *ioc) 1823 { 1824 struct bfi_ioc_ctrl_req_s disable_req; 1825 1826 bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, 1827 bfa_ioc_portid(ioc)); 1828 bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1829 } 1830 1831 static void 1832 bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) 1833 { 1834 struct bfi_ioc_getattr_req_s attr_req; 1835 1836 bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, 1837 bfa_ioc_portid(ioc)); 1838 bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); 1839 bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); 1840 } 1841 1842 static void 1843 bfa_ioc_hb_check(void *cbarg) 1844 { 1845 struct bfa_ioc_s *ioc = cbarg; 1846 u32 hb_count; 1847 1848 hb_count = readl(ioc->ioc_regs.heartbeat); 1849 if (ioc->hb_count == hb_count) { 1850 bfa_ioc_recover(ioc); 1851 return; 1852 } else { 1853 ioc->hb_count = hb_count; 1854 } 1855 1856 bfa_ioc_mbox_poll(ioc); 1857 bfa_hb_timer_start(ioc); 1858 } 1859 1860 static void 1861 bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) 1862 { 1863 ioc->hb_count = readl(ioc->ioc_regs.heartbeat); 1864 bfa_hb_timer_start(ioc); 1865 } 1866 1867 /* 1868 * Initiate a full firmware download. 1869 */ 1870 static bfa_status_t 1871 bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, 1872 u32 boot_env) 1873 { 1874 u32 *fwimg; 1875 u32 pgnum, pgoff; 1876 u32 loff = 0; 1877 u32 chunkno = 0; 1878 u32 i; 1879 u32 asicmode; 1880 u32 fwimg_size; 1881 u32 fwimg_buf[BFI_FLASH_CHUNK_SZ_WORDS]; 1882 bfa_status_t status; 1883 1884 if (boot_env == BFI_FWBOOT_ENV_OS && 1885 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1886 fwimg_size = BFI_FLASH_IMAGE_SZ/sizeof(u32); 1887 1888 status = bfa_ioc_flash_img_get_chnk(ioc, 1889 BFA_IOC_FLASH_CHUNK_ADDR(chunkno), fwimg_buf); 1890 if (status != BFA_STATUS_OK) 1891 return status; 1892 1893 fwimg = fwimg_buf; 1894 } else { 1895 fwimg_size = bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); 1896 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 1897 BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); 1898 } 1899 1900 bfa_trc(ioc, fwimg_size); 1901 1902 1903 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1904 pgoff = PSS_SMEM_PGOFF(loff); 1905 1906 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1907 1908 for (i = 0; i < fwimg_size; i++) { 1909 1910 if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { 1911 chunkno = BFA_IOC_FLASH_CHUNK_NO(i); 1912 1913 if (boot_env == BFI_FWBOOT_ENV_OS && 1914 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1915 status = bfa_ioc_flash_img_get_chnk(ioc, 1916 BFA_IOC_FLASH_CHUNK_ADDR(chunkno), 1917 fwimg_buf); 1918 if (status != BFA_STATUS_OK) 1919 return status; 1920 1921 fwimg = fwimg_buf; 1922 } else { 1923 fwimg = bfa_cb_image_get_chunk( 1924 bfa_ioc_asic_gen(ioc), 1925 BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); 1926 } 1927 } 1928 1929 /* 1930 * write smem 1931 */ 1932 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 1933 fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]); 1934 1935 loff += sizeof(u32); 1936 1937 /* 1938 * handle page offset wrap around 1939 */ 1940 loff = PSS_SMEM_PGOFF(loff); 1941 if (loff == 0) { 1942 pgnum++; 1943 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1944 } 1945 } 1946 1947 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 1948 ioc->ioc_regs.host_page_num_fn); 1949 1950 /* 1951 * Set boot type, env and device mode at the end. 1952 */ 1953 if (boot_env == BFI_FWBOOT_ENV_OS && 1954 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1955 boot_type = BFI_FWBOOT_TYPE_NORMAL; 1956 } 1957 asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode, 1958 ioc->port0_mode, ioc->port1_mode); 1959 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF, 1960 swab32(asicmode)); 1961 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF, 1962 swab32(boot_type)); 1963 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF, 1964 swab32(boot_env)); 1965 return BFA_STATUS_OK; 1966 } 1967 1968 1969 /* 1970 * Update BFA configuration from firmware configuration. 1971 */ 1972 static void 1973 bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc) 1974 { 1975 struct bfi_ioc_attr_s *attr = ioc->attr; 1976 1977 attr->adapter_prop = be32_to_cpu(attr->adapter_prop); 1978 attr->card_type = be32_to_cpu(attr->card_type); 1979 attr->maxfrsize = be16_to_cpu(attr->maxfrsize); 1980 ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC); 1981 attr->mfg_year = be16_to_cpu(attr->mfg_year); 1982 1983 bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); 1984 } 1985 1986 /* 1987 * Attach time initialization of mbox logic. 1988 */ 1989 static void 1990 bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) 1991 { 1992 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1993 int mc; 1994 1995 INIT_LIST_HEAD(&mod->cmd_q); 1996 for (mc = 0; mc < BFI_MC_MAX; mc++) { 1997 mod->mbhdlr[mc].cbfn = NULL; 1998 mod->mbhdlr[mc].cbarg = ioc->bfa; 1999 } 2000 } 2001 2002 /* 2003 * Mbox poll timer -- restarts any pending mailbox requests. 2004 */ 2005 static void 2006 bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc) 2007 { 2008 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2009 struct bfa_mbox_cmd_s *cmd; 2010 u32 stat; 2011 2012 /* 2013 * If no command pending, do nothing 2014 */ 2015 if (list_empty(&mod->cmd_q)) 2016 return; 2017 2018 /* 2019 * If previous command is not yet fetched by firmware, do nothing 2020 */ 2021 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 2022 if (stat) 2023 return; 2024 2025 /* 2026 * Enqueue command to firmware. 2027 */ 2028 bfa_q_deq(&mod->cmd_q, &cmd); 2029 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 2030 } 2031 2032 /* 2033 * Cleanup any pending requests. 2034 */ 2035 static void 2036 bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc) 2037 { 2038 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2039 struct bfa_mbox_cmd_s *cmd; 2040 2041 while (!list_empty(&mod->cmd_q)) 2042 bfa_q_deq(&mod->cmd_q, &cmd); 2043 } 2044 2045 /* 2046 * Read data from SMEM to host through PCI memmap 2047 * 2048 * @param[in] ioc memory for IOC 2049 * @param[in] tbuf app memory to store data from smem 2050 * @param[in] soff smem offset 2051 * @param[in] sz size of smem in bytes 2052 */ 2053 static bfa_status_t 2054 bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz) 2055 { 2056 u32 pgnum, loff; 2057 __be32 r32; 2058 int i, len; 2059 u32 *buf = tbuf; 2060 2061 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 2062 loff = PSS_SMEM_PGOFF(soff); 2063 bfa_trc(ioc, pgnum); 2064 bfa_trc(ioc, loff); 2065 bfa_trc(ioc, sz); 2066 2067 /* 2068 * Hold semaphore to serialize pll init and fwtrc. 2069 */ 2070 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 2071 bfa_trc(ioc, 0); 2072 return BFA_STATUS_FAILED; 2073 } 2074 2075 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2076 2077 len = sz/sizeof(u32); 2078 bfa_trc(ioc, len); 2079 for (i = 0; i < len; i++) { 2080 r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 2081 buf[i] = swab32(r32); 2082 loff += sizeof(u32); 2083 2084 /* 2085 * handle page offset wrap around 2086 */ 2087 loff = PSS_SMEM_PGOFF(loff); 2088 if (loff == 0) { 2089 pgnum++; 2090 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2091 } 2092 } 2093 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 2094 ioc->ioc_regs.host_page_num_fn); 2095 /* 2096 * release semaphore. 2097 */ 2098 readl(ioc->ioc_regs.ioc_init_sem_reg); 2099 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2100 2101 bfa_trc(ioc, pgnum); 2102 return BFA_STATUS_OK; 2103 } 2104 2105 /* 2106 * Clear SMEM data from host through PCI memmap 2107 * 2108 * @param[in] ioc memory for IOC 2109 * @param[in] soff smem offset 2110 * @param[in] sz size of smem in bytes 2111 */ 2112 static bfa_status_t 2113 bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz) 2114 { 2115 int i, len; 2116 u32 pgnum, loff; 2117 2118 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 2119 loff = PSS_SMEM_PGOFF(soff); 2120 bfa_trc(ioc, pgnum); 2121 bfa_trc(ioc, loff); 2122 bfa_trc(ioc, sz); 2123 2124 /* 2125 * Hold semaphore to serialize pll init and fwtrc. 2126 */ 2127 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 2128 bfa_trc(ioc, 0); 2129 return BFA_STATUS_FAILED; 2130 } 2131 2132 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2133 2134 len = sz/sizeof(u32); /* len in words */ 2135 bfa_trc(ioc, len); 2136 for (i = 0; i < len; i++) { 2137 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0); 2138 loff += sizeof(u32); 2139 2140 /* 2141 * handle page offset wrap around 2142 */ 2143 loff = PSS_SMEM_PGOFF(loff); 2144 if (loff == 0) { 2145 pgnum++; 2146 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2147 } 2148 } 2149 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 2150 ioc->ioc_regs.host_page_num_fn); 2151 2152 /* 2153 * release semaphore. 2154 */ 2155 readl(ioc->ioc_regs.ioc_init_sem_reg); 2156 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2157 bfa_trc(ioc, pgnum); 2158 return BFA_STATUS_OK; 2159 } 2160 2161 static void 2162 bfa_ioc_fail_notify(struct bfa_ioc_s *ioc) 2163 { 2164 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2165 2166 /* 2167 * Notify driver and common modules registered for notification. 2168 */ 2169 ioc->cbfn->hbfail_cbfn(ioc->bfa); 2170 bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); 2171 2172 bfa_ioc_debug_save_ftrc(ioc); 2173 2174 BFA_LOG(KERN_CRIT, bfad, bfa_log_level, 2175 "Heart Beat of IOC has failed\n"); 2176 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); 2177 2178 } 2179 2180 static void 2181 bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc) 2182 { 2183 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2184 /* 2185 * Provide enable completion callback. 2186 */ 2187 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 2188 BFA_LOG(KERN_WARNING, bfad, bfa_log_level, 2189 "Running firmware version is incompatible " 2190 "with the driver version\n"); 2191 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); 2192 } 2193 2194 bfa_status_t 2195 bfa_ioc_pll_init(struct bfa_ioc_s *ioc) 2196 { 2197 2198 /* 2199 * Hold semaphore so that nobody can access the chip during init. 2200 */ 2201 bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); 2202 2203 bfa_ioc_pll_init_asic(ioc); 2204 2205 ioc->pllinit = BFA_TRUE; 2206 2207 /* 2208 * Initialize LMEM 2209 */ 2210 bfa_ioc_lmem_init(ioc); 2211 2212 /* 2213 * release semaphore. 2214 */ 2215 readl(ioc->ioc_regs.ioc_init_sem_reg); 2216 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2217 2218 return BFA_STATUS_OK; 2219 } 2220 2221 /* 2222 * Interface used by diag module to do firmware boot with memory test 2223 * as the entry vector. 2224 */ 2225 bfa_status_t 2226 bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env) 2227 { 2228 struct bfi_ioc_image_hdr_s *drv_fwhdr; 2229 bfa_status_t status; 2230 bfa_ioc_stats(ioc, ioc_boots); 2231 2232 if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) 2233 return BFA_STATUS_FAILED; 2234 2235 if (boot_env == BFI_FWBOOT_ENV_OS && 2236 boot_type == BFI_FWBOOT_TYPE_NORMAL) { 2237 2238 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 2239 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 2240 2241 /* 2242 * Work with Flash iff flash f/w is better than driver f/w. 2243 * Otherwise push drivers firmware. 2244 */ 2245 if (bfa_ioc_flash_fwver_cmp(ioc, drv_fwhdr) == 2246 BFI_IOC_IMG_VER_BETTER) 2247 boot_type = BFI_FWBOOT_TYPE_FLASH; 2248 } 2249 2250 /* 2251 * Initialize IOC state of all functions on a chip reset. 2252 */ 2253 if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) { 2254 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_MEMTEST); 2255 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_MEMTEST); 2256 } else { 2257 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_INITING); 2258 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_INITING); 2259 } 2260 2261 bfa_ioc_msgflush(ioc); 2262 status = bfa_ioc_download_fw(ioc, boot_type, boot_env); 2263 if (status == BFA_STATUS_OK) 2264 bfa_ioc_lpu_start(ioc); 2265 else { 2266 WARN_ON(boot_type == BFI_FWBOOT_TYPE_MEMTEST); 2267 bfa_iocpf_timeout(ioc); 2268 } 2269 return status; 2270 } 2271 2272 /* 2273 * Enable/disable IOC failure auto recovery. 2274 */ 2275 void 2276 bfa_ioc_auto_recover(bfa_boolean_t auto_recover) 2277 { 2278 bfa_auto_recover = auto_recover; 2279 } 2280 2281 2282 2283 bfa_boolean_t 2284 bfa_ioc_is_operational(struct bfa_ioc_s *ioc) 2285 { 2286 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); 2287 } 2288 2289 bfa_boolean_t 2290 bfa_ioc_is_initialized(struct bfa_ioc_s *ioc) 2291 { 2292 u32 r32 = bfa_ioc_get_cur_ioc_fwstate(ioc); 2293 2294 return ((r32 != BFI_IOC_UNINIT) && 2295 (r32 != BFI_IOC_INITING) && 2296 (r32 != BFI_IOC_MEMTEST)); 2297 } 2298 2299 bfa_boolean_t 2300 bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) 2301 { 2302 __be32 *msgp = mbmsg; 2303 u32 r32; 2304 int i; 2305 2306 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 2307 if ((r32 & 1) == 0) 2308 return BFA_FALSE; 2309 2310 /* 2311 * read the MBOX msg 2312 */ 2313 for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); 2314 i++) { 2315 r32 = readl(ioc->ioc_regs.lpu_mbox + 2316 i * sizeof(u32)); 2317 msgp[i] = cpu_to_be32(r32); 2318 } 2319 2320 /* 2321 * turn off mailbox interrupt by clearing mailbox status 2322 */ 2323 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 2324 readl(ioc->ioc_regs.lpu_mbox_cmd); 2325 2326 return BFA_TRUE; 2327 } 2328 2329 void 2330 bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) 2331 { 2332 union bfi_ioc_i2h_msg_u *msg; 2333 struct bfa_iocpf_s *iocpf = &ioc->iocpf; 2334 2335 msg = (union bfi_ioc_i2h_msg_u *) m; 2336 2337 bfa_ioc_stats(ioc, ioc_isrs); 2338 2339 switch (msg->mh.msg_id) { 2340 case BFI_IOC_I2H_HBEAT: 2341 break; 2342 2343 case BFI_IOC_I2H_ENABLE_REPLY: 2344 ioc->port_mode = ioc->port_mode_cfg = 2345 (enum bfa_mode_s)msg->fw_event.port_mode; 2346 ioc->ad_cap_bm = msg->fw_event.cap_bm; 2347 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); 2348 break; 2349 2350 case BFI_IOC_I2H_DISABLE_REPLY: 2351 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); 2352 break; 2353 2354 case BFI_IOC_I2H_GETATTR_REPLY: 2355 bfa_ioc_getattr_reply(ioc); 2356 break; 2357 2358 default: 2359 bfa_trc(ioc, msg->mh.msg_id); 2360 WARN_ON(1); 2361 } 2362 } 2363 2364 /* 2365 * IOC attach time initialization and setup. 2366 * 2367 * @param[in] ioc memory for IOC 2368 * @param[in] bfa driver instance structure 2369 */ 2370 void 2371 bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, 2372 struct bfa_timer_mod_s *timer_mod) 2373 { 2374 ioc->bfa = bfa; 2375 ioc->cbfn = cbfn; 2376 ioc->timer_mod = timer_mod; 2377 ioc->fcmode = BFA_FALSE; 2378 ioc->pllinit = BFA_FALSE; 2379 ioc->dbg_fwsave_once = BFA_TRUE; 2380 ioc->iocpf.ioc = ioc; 2381 2382 bfa_ioc_mbox_attach(ioc); 2383 INIT_LIST_HEAD(&ioc->notify_q); 2384 2385 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 2386 bfa_fsm_send_event(ioc, IOC_E_RESET); 2387 } 2388 2389 /* 2390 * Driver detach time IOC cleanup. 2391 */ 2392 void 2393 bfa_ioc_detach(struct bfa_ioc_s *ioc) 2394 { 2395 bfa_fsm_send_event(ioc, IOC_E_DETACH); 2396 INIT_LIST_HEAD(&ioc->notify_q); 2397 } 2398 2399 /* 2400 * Setup IOC PCI properties. 2401 * 2402 * @param[in] pcidev PCI device information for this IOC 2403 */ 2404 void 2405 bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, 2406 enum bfi_pcifn_class clscode) 2407 { 2408 ioc->clscode = clscode; 2409 ioc->pcidev = *pcidev; 2410 2411 /* 2412 * Initialize IOC and device personality 2413 */ 2414 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC; 2415 ioc->asic_mode = BFI_ASIC_MODE_FC; 2416 2417 switch (pcidev->device_id) { 2418 case BFA_PCI_DEVICE_ID_FC_8G1P: 2419 case BFA_PCI_DEVICE_ID_FC_8G2P: 2420 ioc->asic_gen = BFI_ASIC_GEN_CB; 2421 ioc->fcmode = BFA_TRUE; 2422 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2423 ioc->ad_cap_bm = BFA_CM_HBA; 2424 break; 2425 2426 case BFA_PCI_DEVICE_ID_CT: 2427 ioc->asic_gen = BFI_ASIC_GEN_CT; 2428 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2429 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2430 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA; 2431 ioc->ad_cap_bm = BFA_CM_CNA; 2432 break; 2433 2434 case BFA_PCI_DEVICE_ID_CT_FC: 2435 ioc->asic_gen = BFI_ASIC_GEN_CT; 2436 ioc->fcmode = BFA_TRUE; 2437 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2438 ioc->ad_cap_bm = BFA_CM_HBA; 2439 break; 2440 2441 case BFA_PCI_DEVICE_ID_CT2: 2442 case BFA_PCI_DEVICE_ID_CT2_QUAD: 2443 ioc->asic_gen = BFI_ASIC_GEN_CT2; 2444 if (clscode == BFI_PCIFN_CLASS_FC && 2445 pcidev->ssid == BFA_PCI_CT2_SSID_FC) { 2446 ioc->asic_mode = BFI_ASIC_MODE_FC16; 2447 ioc->fcmode = BFA_TRUE; 2448 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2449 ioc->ad_cap_bm = BFA_CM_HBA; 2450 } else { 2451 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2452 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2453 if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) { 2454 ioc->port_mode = 2455 ioc->port_mode_cfg = BFA_MODE_CNA; 2456 ioc->ad_cap_bm = BFA_CM_CNA; 2457 } else { 2458 ioc->port_mode = 2459 ioc->port_mode_cfg = BFA_MODE_NIC; 2460 ioc->ad_cap_bm = BFA_CM_NIC; 2461 } 2462 } 2463 break; 2464 2465 default: 2466 WARN_ON(1); 2467 } 2468 2469 /* 2470 * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c 2471 */ 2472 if (ioc->asic_gen == BFI_ASIC_GEN_CB) 2473 bfa_ioc_set_cb_hwif(ioc); 2474 else if (ioc->asic_gen == BFI_ASIC_GEN_CT) 2475 bfa_ioc_set_ct_hwif(ioc); 2476 else { 2477 WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2); 2478 bfa_ioc_set_ct2_hwif(ioc); 2479 bfa_ioc_ct2_poweron(ioc); 2480 } 2481 2482 bfa_ioc_map_port(ioc); 2483 bfa_ioc_reg_init(ioc); 2484 } 2485 2486 /* 2487 * Initialize IOC dma memory 2488 * 2489 * @param[in] dm_kva kernel virtual address of IOC dma memory 2490 * @param[in] dm_pa physical address of IOC dma memory 2491 */ 2492 void 2493 bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) 2494 { 2495 /* 2496 * dma memory for firmware attribute 2497 */ 2498 ioc->attr_dma.kva = dm_kva; 2499 ioc->attr_dma.pa = dm_pa; 2500 ioc->attr = (struct bfi_ioc_attr_s *) dm_kva; 2501 } 2502 2503 void 2504 bfa_ioc_enable(struct bfa_ioc_s *ioc) 2505 { 2506 bfa_ioc_stats(ioc, ioc_enables); 2507 ioc->dbg_fwsave_once = BFA_TRUE; 2508 2509 bfa_fsm_send_event(ioc, IOC_E_ENABLE); 2510 } 2511 2512 void 2513 bfa_ioc_disable(struct bfa_ioc_s *ioc) 2514 { 2515 bfa_ioc_stats(ioc, ioc_disables); 2516 bfa_fsm_send_event(ioc, IOC_E_DISABLE); 2517 } 2518 2519 void 2520 bfa_ioc_suspend(struct bfa_ioc_s *ioc) 2521 { 2522 ioc->dbg_fwsave_once = BFA_TRUE; 2523 bfa_fsm_send_event(ioc, IOC_E_HWERROR); 2524 } 2525 2526 /* 2527 * Initialize memory for saving firmware trace. Driver must initialize 2528 * trace memory before call bfa_ioc_enable(). 2529 */ 2530 void 2531 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave) 2532 { 2533 ioc->dbg_fwsave = dbg_fwsave; 2534 ioc->dbg_fwsave_len = BFA_DBG_FWTRC_LEN; 2535 } 2536 2537 /* 2538 * Register mailbox message handler functions 2539 * 2540 * @param[in] ioc IOC instance 2541 * @param[in] mcfuncs message class handler functions 2542 */ 2543 void 2544 bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs) 2545 { 2546 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2547 int mc; 2548 2549 for (mc = 0; mc < BFI_MC_MAX; mc++) 2550 mod->mbhdlr[mc].cbfn = mcfuncs[mc]; 2551 } 2552 2553 /* 2554 * Register mailbox message handler function, to be called by common modules 2555 */ 2556 void 2557 bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, 2558 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) 2559 { 2560 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2561 2562 mod->mbhdlr[mc].cbfn = cbfn; 2563 mod->mbhdlr[mc].cbarg = cbarg; 2564 } 2565 2566 /* 2567 * Queue a mailbox command request to firmware. Waits if mailbox is busy. 2568 * Responsibility of caller to serialize 2569 * 2570 * @param[in] ioc IOC instance 2571 * @param[i] cmd Mailbox command 2572 */ 2573 void 2574 bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) 2575 { 2576 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2577 u32 stat; 2578 2579 /* 2580 * If a previous command is pending, queue new command 2581 */ 2582 if (!list_empty(&mod->cmd_q)) { 2583 list_add_tail(&cmd->qe, &mod->cmd_q); 2584 return; 2585 } 2586 2587 /* 2588 * If mailbox is busy, queue command for poll timer 2589 */ 2590 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 2591 if (stat) { 2592 list_add_tail(&cmd->qe, &mod->cmd_q); 2593 return; 2594 } 2595 2596 /* 2597 * mailbox is free -- queue command to firmware 2598 */ 2599 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 2600 } 2601 2602 /* 2603 * Handle mailbox interrupts 2604 */ 2605 void 2606 bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc) 2607 { 2608 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2609 struct bfi_mbmsg_s m; 2610 int mc; 2611 2612 if (bfa_ioc_msgget(ioc, &m)) { 2613 /* 2614 * Treat IOC message class as special. 2615 */ 2616 mc = m.mh.msg_class; 2617 if (mc == BFI_MC_IOC) { 2618 bfa_ioc_isr(ioc, &m); 2619 return; 2620 } 2621 2622 if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) 2623 return; 2624 2625 mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); 2626 } 2627 2628 bfa_ioc_lpu_read_stat(ioc); 2629 2630 /* 2631 * Try to send pending mailbox commands 2632 */ 2633 bfa_ioc_mbox_poll(ioc); 2634 } 2635 2636 void 2637 bfa_ioc_error_isr(struct bfa_ioc_s *ioc) 2638 { 2639 bfa_ioc_stats(ioc, ioc_hbfails); 2640 ioc->stats.hb_count = ioc->hb_count; 2641 bfa_fsm_send_event(ioc, IOC_E_HWERROR); 2642 } 2643 2644 /* 2645 * return true if IOC is disabled 2646 */ 2647 bfa_boolean_t 2648 bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) 2649 { 2650 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || 2651 bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); 2652 } 2653 2654 /* 2655 * return true if IOC firmware is different. 2656 */ 2657 bfa_boolean_t 2658 bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) 2659 { 2660 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) || 2661 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_fwcheck) || 2662 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch); 2663 } 2664 2665 /* 2666 * Check if adapter is disabled -- both IOCs should be in a disabled 2667 * state. 2668 */ 2669 bfa_boolean_t 2670 bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc) 2671 { 2672 u32 ioc_state; 2673 2674 if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) 2675 return BFA_FALSE; 2676 2677 ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); 2678 if (!bfa_ioc_state_disabled(ioc_state)) 2679 return BFA_FALSE; 2680 2681 if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) { 2682 ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); 2683 if (!bfa_ioc_state_disabled(ioc_state)) 2684 return BFA_FALSE; 2685 } 2686 2687 return BFA_TRUE; 2688 } 2689 2690 /* 2691 * Reset IOC fwstate registers. 2692 */ 2693 void 2694 bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc) 2695 { 2696 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_UNINIT); 2697 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_UNINIT); 2698 } 2699 2700 #define BFA_MFG_NAME "Brocade" 2701 void 2702 bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, 2703 struct bfa_adapter_attr_s *ad_attr) 2704 { 2705 struct bfi_ioc_attr_s *ioc_attr; 2706 2707 ioc_attr = ioc->attr; 2708 2709 bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); 2710 bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); 2711 bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); 2712 bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); 2713 memcpy(&ad_attr->vpd, &ioc_attr->vpd, 2714 sizeof(struct bfa_mfg_vpd_s)); 2715 2716 ad_attr->nports = bfa_ioc_get_nports(ioc); 2717 ad_attr->max_speed = bfa_ioc_speed_sup(ioc); 2718 2719 bfa_ioc_get_adapter_model(ioc, ad_attr->model); 2720 /* For now, model descr uses same model string */ 2721 bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); 2722 2723 ad_attr->card_type = ioc_attr->card_type; 2724 ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); 2725 2726 if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) 2727 ad_attr->prototype = 1; 2728 else 2729 ad_attr->prototype = 0; 2730 2731 ad_attr->pwwn = ioc->attr->pwwn; 2732 ad_attr->mac = bfa_ioc_get_mac(ioc); 2733 2734 ad_attr->pcie_gen = ioc_attr->pcie_gen; 2735 ad_attr->pcie_lanes = ioc_attr->pcie_lanes; 2736 ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; 2737 ad_attr->asic_rev = ioc_attr->asic_rev; 2738 2739 bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); 2740 2741 ad_attr->cna_capable = bfa_ioc_is_cna(ioc); 2742 ad_attr->trunk_capable = (ad_attr->nports > 1) && 2743 !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz; 2744 ad_attr->mfg_day = ioc_attr->mfg_day; 2745 ad_attr->mfg_month = ioc_attr->mfg_month; 2746 ad_attr->mfg_year = ioc_attr->mfg_year; 2747 memcpy(ad_attr->uuid, ioc_attr->uuid, BFA_ADAPTER_UUID_LEN); 2748 } 2749 2750 enum bfa_ioc_type_e 2751 bfa_ioc_get_type(struct bfa_ioc_s *ioc) 2752 { 2753 if (ioc->clscode == BFI_PCIFN_CLASS_ETH) 2754 return BFA_IOC_TYPE_LL; 2755 2756 WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC); 2757 2758 return (ioc->attr->port_mode == BFI_PORT_MODE_FC) 2759 ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE; 2760 } 2761 2762 void 2763 bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num) 2764 { 2765 memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); 2766 memcpy((void *)serial_num, 2767 (void *)ioc->attr->brcd_serialnum, 2768 BFA_ADAPTER_SERIAL_NUM_LEN); 2769 } 2770 2771 void 2772 bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver) 2773 { 2774 memset((void *)fw_ver, 0, BFA_VERSION_LEN); 2775 memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); 2776 } 2777 2778 void 2779 bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) 2780 { 2781 WARN_ON(!chip_rev); 2782 2783 memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN); 2784 2785 chip_rev[0] = 'R'; 2786 chip_rev[1] = 'e'; 2787 chip_rev[2] = 'v'; 2788 chip_rev[3] = '-'; 2789 chip_rev[4] = ioc->attr->asic_rev; 2790 chip_rev[5] = '\0'; 2791 } 2792 2793 void 2794 bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver) 2795 { 2796 memset((void *)optrom_ver, 0, BFA_VERSION_LEN); 2797 memcpy(optrom_ver, ioc->attr->optrom_version, 2798 BFA_VERSION_LEN); 2799 } 2800 2801 void 2802 bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer) 2803 { 2804 memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); 2805 memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); 2806 } 2807 2808 void 2809 bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model) 2810 { 2811 struct bfi_ioc_attr_s *ioc_attr; 2812 u8 nports = bfa_ioc_get_nports(ioc); 2813 2814 WARN_ON(!model); 2815 memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); 2816 2817 ioc_attr = ioc->attr; 2818 2819 if (bfa_asic_id_ct2(ioc->pcidev.device_id) && 2820 (!bfa_mfg_is_mezz(ioc_attr->card_type))) 2821 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u-%u%s", 2822 BFA_MFG_NAME, ioc_attr->card_type, nports, "p"); 2823 else 2824 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", 2825 BFA_MFG_NAME, ioc_attr->card_type); 2826 } 2827 2828 enum bfa_ioc_state 2829 bfa_ioc_get_state(struct bfa_ioc_s *ioc) 2830 { 2831 enum bfa_iocpf_state iocpf_st; 2832 enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); 2833 2834 if (ioc_st == BFA_IOC_ENABLING || 2835 ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { 2836 2837 iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); 2838 2839 switch (iocpf_st) { 2840 case BFA_IOCPF_SEMWAIT: 2841 ioc_st = BFA_IOC_SEMWAIT; 2842 break; 2843 2844 case BFA_IOCPF_HWINIT: 2845 ioc_st = BFA_IOC_HWINIT; 2846 break; 2847 2848 case BFA_IOCPF_FWMISMATCH: 2849 ioc_st = BFA_IOC_FWMISMATCH; 2850 break; 2851 2852 case BFA_IOCPF_FAIL: 2853 ioc_st = BFA_IOC_FAIL; 2854 break; 2855 2856 case BFA_IOCPF_INITFAIL: 2857 ioc_st = BFA_IOC_INITFAIL; 2858 break; 2859 2860 default: 2861 break; 2862 } 2863 } 2864 2865 return ioc_st; 2866 } 2867 2868 void 2869 bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) 2870 { 2871 memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); 2872 2873 ioc_attr->state = bfa_ioc_get_state(ioc); 2874 ioc_attr->port_id = bfa_ioc_portid(ioc); 2875 ioc_attr->port_mode = ioc->port_mode; 2876 ioc_attr->port_mode_cfg = ioc->port_mode_cfg; 2877 ioc_attr->cap_bm = ioc->ad_cap_bm; 2878 2879 ioc_attr->ioc_type = bfa_ioc_get_type(ioc); 2880 2881 bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); 2882 2883 ioc_attr->pci_attr.device_id = bfa_ioc_devid(ioc); 2884 ioc_attr->pci_attr.pcifn = bfa_ioc_pcifn(ioc); 2885 ioc_attr->def_fn = (bfa_ioc_pcifn(ioc) == bfa_ioc_portid(ioc)); 2886 bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); 2887 } 2888 2889 mac_t 2890 bfa_ioc_get_mac(struct bfa_ioc_s *ioc) 2891 { 2892 /* 2893 * Check the IOC type and return the appropriate MAC 2894 */ 2895 if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE) 2896 return ioc->attr->fcoe_mac; 2897 else 2898 return ioc->attr->mac; 2899 } 2900 2901 mac_t 2902 bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc) 2903 { 2904 mac_t m; 2905 2906 m = ioc->attr->mfg_mac; 2907 if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type)) 2908 m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); 2909 else 2910 bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]), 2911 bfa_ioc_pcifn(ioc)); 2912 2913 return m; 2914 } 2915 2916 /* 2917 * Send AEN notification 2918 */ 2919 void 2920 bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) 2921 { 2922 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2923 struct bfa_aen_entry_s *aen_entry; 2924 enum bfa_ioc_type_e ioc_type; 2925 2926 bfad_get_aen_entry(bfad, aen_entry); 2927 if (!aen_entry) 2928 return; 2929 2930 ioc_type = bfa_ioc_get_type(ioc); 2931 switch (ioc_type) { 2932 case BFA_IOC_TYPE_FC: 2933 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2934 break; 2935 case BFA_IOC_TYPE_FCoE: 2936 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2937 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2938 break; 2939 case BFA_IOC_TYPE_LL: 2940 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2941 break; 2942 default: 2943 WARN_ON(ioc_type != BFA_IOC_TYPE_FC); 2944 break; 2945 } 2946 2947 /* Send the AEN notification */ 2948 aen_entry->aen_data.ioc.ioc_type = ioc_type; 2949 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 2950 BFA_AEN_CAT_IOC, event); 2951 } 2952 2953 /* 2954 * Retrieve saved firmware trace from a prior IOC failure. 2955 */ 2956 bfa_status_t 2957 bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2958 { 2959 int tlen; 2960 2961 if (ioc->dbg_fwsave_len == 0) 2962 return BFA_STATUS_ENOFSAVE; 2963 2964 tlen = *trclen; 2965 if (tlen > ioc->dbg_fwsave_len) 2966 tlen = ioc->dbg_fwsave_len; 2967 2968 memcpy(trcdata, ioc->dbg_fwsave, tlen); 2969 *trclen = tlen; 2970 return BFA_STATUS_OK; 2971 } 2972 2973 2974 /* 2975 * Retrieve saved firmware trace from a prior IOC failure. 2976 */ 2977 bfa_status_t 2978 bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2979 { 2980 u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); 2981 int tlen; 2982 bfa_status_t status; 2983 2984 bfa_trc(ioc, *trclen); 2985 2986 tlen = *trclen; 2987 if (tlen > BFA_DBG_FWTRC_LEN) 2988 tlen = BFA_DBG_FWTRC_LEN; 2989 2990 status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen); 2991 *trclen = tlen; 2992 return status; 2993 } 2994 2995 static void 2996 bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc) 2997 { 2998 struct bfa_mbox_cmd_s cmd; 2999 struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg; 3000 3001 bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC, 3002 bfa_ioc_portid(ioc)); 3003 req->clscode = cpu_to_be16(ioc->clscode); 3004 bfa_ioc_mbox_queue(ioc, &cmd); 3005 } 3006 3007 static void 3008 bfa_ioc_fwsync(struct bfa_ioc_s *ioc) 3009 { 3010 u32 fwsync_iter = 1000; 3011 3012 bfa_ioc_send_fwsync(ioc); 3013 3014 /* 3015 * After sending a fw sync mbox command wait for it to 3016 * take effect. We will not wait for a response because 3017 * 1. fw_sync mbox cmd doesn't have a response. 3018 * 2. Even if we implement that, interrupts might not 3019 * be enabled when we call this function. 3020 * So, just keep checking if any mbox cmd is pending, and 3021 * after waiting for a reasonable amount of time, go ahead. 3022 * It is possible that fw has crashed and the mbox command 3023 * is never acknowledged. 3024 */ 3025 while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0) 3026 fwsync_iter--; 3027 } 3028 3029 /* 3030 * Dump firmware smem 3031 */ 3032 bfa_status_t 3033 bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf, 3034 u32 *offset, int *buflen) 3035 { 3036 u32 loff; 3037 int dlen; 3038 bfa_status_t status; 3039 u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc); 3040 3041 if (*offset >= smem_len) { 3042 *offset = *buflen = 0; 3043 return BFA_STATUS_EINVAL; 3044 } 3045 3046 loff = *offset; 3047 dlen = *buflen; 3048 3049 /* 3050 * First smem read, sync smem before proceeding 3051 * No need to sync before reading every chunk. 3052 */ 3053 if (loff == 0) 3054 bfa_ioc_fwsync(ioc); 3055 3056 if ((loff + dlen) >= smem_len) 3057 dlen = smem_len - loff; 3058 3059 status = bfa_ioc_smem_read(ioc, buf, loff, dlen); 3060 3061 if (status != BFA_STATUS_OK) { 3062 *offset = *buflen = 0; 3063 return status; 3064 } 3065 3066 *offset += dlen; 3067 3068 if (*offset >= smem_len) 3069 *offset = 0; 3070 3071 *buflen = dlen; 3072 3073 return status; 3074 } 3075 3076 /* 3077 * Firmware statistics 3078 */ 3079 bfa_status_t 3080 bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats) 3081 { 3082 u32 loff = BFI_IOC_FWSTATS_OFF + \ 3083 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 3084 int tlen; 3085 bfa_status_t status; 3086 3087 if (ioc->stats_busy) { 3088 bfa_trc(ioc, ioc->stats_busy); 3089 return BFA_STATUS_DEVBUSY; 3090 } 3091 ioc->stats_busy = BFA_TRUE; 3092 3093 tlen = sizeof(struct bfa_fw_stats_s); 3094 status = bfa_ioc_smem_read(ioc, stats, loff, tlen); 3095 3096 ioc->stats_busy = BFA_FALSE; 3097 return status; 3098 } 3099 3100 bfa_status_t 3101 bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc) 3102 { 3103 u32 loff = BFI_IOC_FWSTATS_OFF + \ 3104 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 3105 int tlen; 3106 bfa_status_t status; 3107 3108 if (ioc->stats_busy) { 3109 bfa_trc(ioc, ioc->stats_busy); 3110 return BFA_STATUS_DEVBUSY; 3111 } 3112 ioc->stats_busy = BFA_TRUE; 3113 3114 tlen = sizeof(struct bfa_fw_stats_s); 3115 status = bfa_ioc_smem_clr(ioc, loff, tlen); 3116 3117 ioc->stats_busy = BFA_FALSE; 3118 return status; 3119 } 3120 3121 /* 3122 * Save firmware trace if configured. 3123 */ 3124 void 3125 bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc) 3126 { 3127 int tlen; 3128 3129 if (ioc->dbg_fwsave_once) { 3130 ioc->dbg_fwsave_once = BFA_FALSE; 3131 if (ioc->dbg_fwsave_len) { 3132 tlen = ioc->dbg_fwsave_len; 3133 bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); 3134 } 3135 } 3136 } 3137 3138 /* 3139 * Firmware failure detected. Start recovery actions. 3140 */ 3141 static void 3142 bfa_ioc_recover(struct bfa_ioc_s *ioc) 3143 { 3144 bfa_ioc_stats(ioc, ioc_hbfails); 3145 ioc->stats.hb_count = ioc->hb_count; 3146 bfa_fsm_send_event(ioc, IOC_E_HBFAIL); 3147 } 3148 3149 /* 3150 * BFA IOC PF private functions 3151 */ 3152 static void 3153 bfa_iocpf_timeout(void *ioc_arg) 3154 { 3155 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3156 3157 bfa_trc(ioc, 0); 3158 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); 3159 } 3160 3161 static void 3162 bfa_iocpf_sem_timeout(void *ioc_arg) 3163 { 3164 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3165 3166 bfa_ioc_hw_sem_get(ioc); 3167 } 3168 3169 static void 3170 bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc) 3171 { 3172 u32 fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 3173 3174 bfa_trc(ioc, fwstate); 3175 3176 if (fwstate == BFI_IOC_DISABLED) { 3177 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 3178 return; 3179 } 3180 3181 if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV)) 3182 bfa_iocpf_timeout(ioc); 3183 else { 3184 ioc->iocpf.poll_time += BFA_IOC_POLL_TOV; 3185 bfa_iocpf_poll_timer_start(ioc); 3186 } 3187 } 3188 3189 static void 3190 bfa_iocpf_poll_timeout(void *ioc_arg) 3191 { 3192 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3193 3194 bfa_ioc_poll_fwinit(ioc); 3195 } 3196 3197 /* 3198 * bfa timer function 3199 */ 3200 void 3201 bfa_timer_beat(struct bfa_timer_mod_s *mod) 3202 { 3203 struct list_head *qh = &mod->timer_q; 3204 struct list_head *qe, *qe_next; 3205 struct bfa_timer_s *elem; 3206 struct list_head timedout_q; 3207 3208 INIT_LIST_HEAD(&timedout_q); 3209 3210 qe = bfa_q_next(qh); 3211 3212 while (qe != qh) { 3213 qe_next = bfa_q_next(qe); 3214 3215 elem = (struct bfa_timer_s *) qe; 3216 if (elem->timeout <= BFA_TIMER_FREQ) { 3217 elem->timeout = 0; 3218 list_del(&elem->qe); 3219 list_add_tail(&elem->qe, &timedout_q); 3220 } else { 3221 elem->timeout -= BFA_TIMER_FREQ; 3222 } 3223 3224 qe = qe_next; /* go to next elem */ 3225 } 3226 3227 /* 3228 * Pop all the timeout entries 3229 */ 3230 while (!list_empty(&timedout_q)) { 3231 bfa_q_deq(&timedout_q, &elem); 3232 elem->timercb(elem->arg); 3233 } 3234 } 3235 3236 /* 3237 * Should be called with lock protection 3238 */ 3239 void 3240 bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, 3241 void (*timercb) (void *), void *arg, unsigned int timeout) 3242 { 3243 3244 WARN_ON(timercb == NULL); 3245 WARN_ON(bfa_q_is_on_q(&mod->timer_q, timer)); 3246 3247 timer->timeout = timeout; 3248 timer->timercb = timercb; 3249 timer->arg = arg; 3250 3251 list_add_tail(&timer->qe, &mod->timer_q); 3252 } 3253 3254 /* 3255 * Should be called with lock protection 3256 */ 3257 void 3258 bfa_timer_stop(struct bfa_timer_s *timer) 3259 { 3260 WARN_ON(list_empty(&timer->qe)); 3261 3262 list_del(&timer->qe); 3263 } 3264 3265 /* 3266 * ASIC block related 3267 */ 3268 static void 3269 bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg) 3270 { 3271 struct bfa_ablk_cfg_inst_s *cfg_inst; 3272 int i, j; 3273 u16 be16; 3274 3275 for (i = 0; i < BFA_ABLK_MAX; i++) { 3276 cfg_inst = &cfg->inst[i]; 3277 for (j = 0; j < BFA_ABLK_MAX_PFS; j++) { 3278 be16 = cfg_inst->pf_cfg[j].pers; 3279 cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16); 3280 be16 = cfg_inst->pf_cfg[j].num_qpairs; 3281 cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16); 3282 be16 = cfg_inst->pf_cfg[j].num_vectors; 3283 cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16); 3284 be16 = cfg_inst->pf_cfg[j].bw_min; 3285 cfg_inst->pf_cfg[j].bw_min = be16_to_cpu(be16); 3286 be16 = cfg_inst->pf_cfg[j].bw_max; 3287 cfg_inst->pf_cfg[j].bw_max = be16_to_cpu(be16); 3288 } 3289 } 3290 } 3291 3292 static void 3293 bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg) 3294 { 3295 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3296 struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg; 3297 bfa_ablk_cbfn_t cbfn; 3298 3299 WARN_ON(msg->mh.msg_class != BFI_MC_ABLK); 3300 bfa_trc(ablk->ioc, msg->mh.msg_id); 3301 3302 switch (msg->mh.msg_id) { 3303 case BFI_ABLK_I2H_QUERY: 3304 if (rsp->status == BFA_STATUS_OK) { 3305 memcpy(ablk->cfg, ablk->dma_addr.kva, 3306 sizeof(struct bfa_ablk_cfg_s)); 3307 bfa_ablk_config_swap(ablk->cfg); 3308 ablk->cfg = NULL; 3309 } 3310 break; 3311 3312 case BFI_ABLK_I2H_ADPT_CONFIG: 3313 case BFI_ABLK_I2H_PORT_CONFIG: 3314 /* update config port mode */ 3315 ablk->ioc->port_mode_cfg = rsp->port_mode; 3316 3317 case BFI_ABLK_I2H_PF_DELETE: 3318 case BFI_ABLK_I2H_PF_UPDATE: 3319 case BFI_ABLK_I2H_OPTROM_ENABLE: 3320 case BFI_ABLK_I2H_OPTROM_DISABLE: 3321 /* No-op */ 3322 break; 3323 3324 case BFI_ABLK_I2H_PF_CREATE: 3325 *(ablk->pcifn) = rsp->pcifn; 3326 ablk->pcifn = NULL; 3327 break; 3328 3329 default: 3330 WARN_ON(1); 3331 } 3332 3333 ablk->busy = BFA_FALSE; 3334 if (ablk->cbfn) { 3335 cbfn = ablk->cbfn; 3336 ablk->cbfn = NULL; 3337 cbfn(ablk->cbarg, rsp->status); 3338 } 3339 } 3340 3341 static void 3342 bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event) 3343 { 3344 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3345 3346 bfa_trc(ablk->ioc, event); 3347 3348 switch (event) { 3349 case BFA_IOC_E_ENABLED: 3350 WARN_ON(ablk->busy != BFA_FALSE); 3351 break; 3352 3353 case BFA_IOC_E_DISABLED: 3354 case BFA_IOC_E_FAILED: 3355 /* Fail any pending requests */ 3356 ablk->pcifn = NULL; 3357 if (ablk->busy) { 3358 if (ablk->cbfn) 3359 ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED); 3360 ablk->cbfn = NULL; 3361 ablk->busy = BFA_FALSE; 3362 } 3363 break; 3364 3365 default: 3366 WARN_ON(1); 3367 break; 3368 } 3369 } 3370 3371 u32 3372 bfa_ablk_meminfo(void) 3373 { 3374 return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ); 3375 } 3376 3377 void 3378 bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa) 3379 { 3380 ablk->dma_addr.kva = dma_kva; 3381 ablk->dma_addr.pa = dma_pa; 3382 } 3383 3384 void 3385 bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc) 3386 { 3387 ablk->ioc = ioc; 3388 3389 bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk); 3390 bfa_q_qe_init(&ablk->ioc_notify); 3391 bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk); 3392 list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q); 3393 } 3394 3395 bfa_status_t 3396 bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg, 3397 bfa_ablk_cbfn_t cbfn, void *cbarg) 3398 { 3399 struct bfi_ablk_h2i_query_s *m; 3400 3401 WARN_ON(!ablk_cfg); 3402 3403 if (!bfa_ioc_is_operational(ablk->ioc)) { 3404 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3405 return BFA_STATUS_IOC_FAILURE; 3406 } 3407 3408 if (ablk->busy) { 3409 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3410 return BFA_STATUS_DEVBUSY; 3411 } 3412 3413 ablk->cfg = ablk_cfg; 3414 ablk->cbfn = cbfn; 3415 ablk->cbarg = cbarg; 3416 ablk->busy = BFA_TRUE; 3417 3418 m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg; 3419 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY, 3420 bfa_ioc_portid(ablk->ioc)); 3421 bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa); 3422 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3423 3424 return BFA_STATUS_OK; 3425 } 3426 3427 bfa_status_t 3428 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn, 3429 u8 port, enum bfi_pcifn_class personality, 3430 u16 bw_min, u16 bw_max, 3431 bfa_ablk_cbfn_t cbfn, void *cbarg) 3432 { 3433 struct bfi_ablk_h2i_pf_req_s *m; 3434 3435 if (!bfa_ioc_is_operational(ablk->ioc)) { 3436 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3437 return BFA_STATUS_IOC_FAILURE; 3438 } 3439 3440 if (ablk->busy) { 3441 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3442 return BFA_STATUS_DEVBUSY; 3443 } 3444 3445 ablk->pcifn = pcifn; 3446 ablk->cbfn = cbfn; 3447 ablk->cbarg = cbarg; 3448 ablk->busy = BFA_TRUE; 3449 3450 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3451 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE, 3452 bfa_ioc_portid(ablk->ioc)); 3453 m->pers = cpu_to_be16((u16)personality); 3454 m->bw_min = cpu_to_be16(bw_min); 3455 m->bw_max = cpu_to_be16(bw_max); 3456 m->port = port; 3457 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3458 3459 return BFA_STATUS_OK; 3460 } 3461 3462 bfa_status_t 3463 bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn, 3464 bfa_ablk_cbfn_t cbfn, void *cbarg) 3465 { 3466 struct bfi_ablk_h2i_pf_req_s *m; 3467 3468 if (!bfa_ioc_is_operational(ablk->ioc)) { 3469 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3470 return BFA_STATUS_IOC_FAILURE; 3471 } 3472 3473 if (ablk->busy) { 3474 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3475 return BFA_STATUS_DEVBUSY; 3476 } 3477 3478 ablk->cbfn = cbfn; 3479 ablk->cbarg = cbarg; 3480 ablk->busy = BFA_TRUE; 3481 3482 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3483 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE, 3484 bfa_ioc_portid(ablk->ioc)); 3485 m->pcifn = (u8)pcifn; 3486 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3487 3488 return BFA_STATUS_OK; 3489 } 3490 3491 bfa_status_t 3492 bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode, 3493 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3494 { 3495 struct bfi_ablk_h2i_cfg_req_s *m; 3496 3497 if (!bfa_ioc_is_operational(ablk->ioc)) { 3498 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3499 return BFA_STATUS_IOC_FAILURE; 3500 } 3501 3502 if (ablk->busy) { 3503 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3504 return BFA_STATUS_DEVBUSY; 3505 } 3506 3507 ablk->cbfn = cbfn; 3508 ablk->cbarg = cbarg; 3509 ablk->busy = BFA_TRUE; 3510 3511 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3512 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG, 3513 bfa_ioc_portid(ablk->ioc)); 3514 m->mode = (u8)mode; 3515 m->max_pf = (u8)max_pf; 3516 m->max_vf = (u8)max_vf; 3517 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3518 3519 return BFA_STATUS_OK; 3520 } 3521 3522 bfa_status_t 3523 bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode, 3524 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3525 { 3526 struct bfi_ablk_h2i_cfg_req_s *m; 3527 3528 if (!bfa_ioc_is_operational(ablk->ioc)) { 3529 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3530 return BFA_STATUS_IOC_FAILURE; 3531 } 3532 3533 if (ablk->busy) { 3534 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3535 return BFA_STATUS_DEVBUSY; 3536 } 3537 3538 ablk->cbfn = cbfn; 3539 ablk->cbarg = cbarg; 3540 ablk->busy = BFA_TRUE; 3541 3542 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3543 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG, 3544 bfa_ioc_portid(ablk->ioc)); 3545 m->port = (u8)port; 3546 m->mode = (u8)mode; 3547 m->max_pf = (u8)max_pf; 3548 m->max_vf = (u8)max_vf; 3549 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3550 3551 return BFA_STATUS_OK; 3552 } 3553 3554 bfa_status_t 3555 bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, u16 bw_min, 3556 u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg) 3557 { 3558 struct bfi_ablk_h2i_pf_req_s *m; 3559 3560 if (!bfa_ioc_is_operational(ablk->ioc)) { 3561 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3562 return BFA_STATUS_IOC_FAILURE; 3563 } 3564 3565 if (ablk->busy) { 3566 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3567 return BFA_STATUS_DEVBUSY; 3568 } 3569 3570 ablk->cbfn = cbfn; 3571 ablk->cbarg = cbarg; 3572 ablk->busy = BFA_TRUE; 3573 3574 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3575 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE, 3576 bfa_ioc_portid(ablk->ioc)); 3577 m->pcifn = (u8)pcifn; 3578 m->bw_min = cpu_to_be16(bw_min); 3579 m->bw_max = cpu_to_be16(bw_max); 3580 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3581 3582 return BFA_STATUS_OK; 3583 } 3584 3585 bfa_status_t 3586 bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3587 { 3588 struct bfi_ablk_h2i_optrom_s *m; 3589 3590 if (!bfa_ioc_is_operational(ablk->ioc)) { 3591 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3592 return BFA_STATUS_IOC_FAILURE; 3593 } 3594 3595 if (ablk->busy) { 3596 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3597 return BFA_STATUS_DEVBUSY; 3598 } 3599 3600 ablk->cbfn = cbfn; 3601 ablk->cbarg = cbarg; 3602 ablk->busy = BFA_TRUE; 3603 3604 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3605 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE, 3606 bfa_ioc_portid(ablk->ioc)); 3607 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3608 3609 return BFA_STATUS_OK; 3610 } 3611 3612 bfa_status_t 3613 bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3614 { 3615 struct bfi_ablk_h2i_optrom_s *m; 3616 3617 if (!bfa_ioc_is_operational(ablk->ioc)) { 3618 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3619 return BFA_STATUS_IOC_FAILURE; 3620 } 3621 3622 if (ablk->busy) { 3623 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3624 return BFA_STATUS_DEVBUSY; 3625 } 3626 3627 ablk->cbfn = cbfn; 3628 ablk->cbarg = cbarg; 3629 ablk->busy = BFA_TRUE; 3630 3631 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3632 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE, 3633 bfa_ioc_portid(ablk->ioc)); 3634 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3635 3636 return BFA_STATUS_OK; 3637 } 3638 3639 /* 3640 * SFP module specific 3641 */ 3642 3643 /* forward declarations */ 3644 static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp); 3645 static void bfa_sfp_media_get(struct bfa_sfp_s *sfp); 3646 static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, 3647 enum bfa_port_speed portspeed); 3648 3649 static void 3650 bfa_cb_sfp_show(struct bfa_sfp_s *sfp) 3651 { 3652 bfa_trc(sfp, sfp->lock); 3653 if (sfp->cbfn) 3654 sfp->cbfn(sfp->cbarg, sfp->status); 3655 sfp->lock = 0; 3656 sfp->cbfn = NULL; 3657 } 3658 3659 static void 3660 bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp) 3661 { 3662 bfa_trc(sfp, sfp->portspeed); 3663 if (sfp->media) { 3664 bfa_sfp_media_get(sfp); 3665 if (sfp->state_query_cbfn) 3666 sfp->state_query_cbfn(sfp->state_query_cbarg, 3667 sfp->status); 3668 sfp->media = NULL; 3669 } 3670 3671 if (sfp->portspeed) { 3672 sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); 3673 if (sfp->state_query_cbfn) 3674 sfp->state_query_cbfn(sfp->state_query_cbarg, 3675 sfp->status); 3676 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 3677 } 3678 3679 sfp->state_query_lock = 0; 3680 sfp->state_query_cbfn = NULL; 3681 } 3682 3683 /* 3684 * IOC event handler. 3685 */ 3686 static void 3687 bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event) 3688 { 3689 struct bfa_sfp_s *sfp = sfp_arg; 3690 3691 bfa_trc(sfp, event); 3692 bfa_trc(sfp, sfp->lock); 3693 bfa_trc(sfp, sfp->state_query_lock); 3694 3695 switch (event) { 3696 case BFA_IOC_E_DISABLED: 3697 case BFA_IOC_E_FAILED: 3698 if (sfp->lock) { 3699 sfp->status = BFA_STATUS_IOC_FAILURE; 3700 bfa_cb_sfp_show(sfp); 3701 } 3702 3703 if (sfp->state_query_lock) { 3704 sfp->status = BFA_STATUS_IOC_FAILURE; 3705 bfa_cb_sfp_state_query(sfp); 3706 } 3707 break; 3708 3709 default: 3710 break; 3711 } 3712 } 3713 3714 /* 3715 * SFP's State Change Notification post to AEN 3716 */ 3717 static void 3718 bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp) 3719 { 3720 struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad; 3721 struct bfa_aen_entry_s *aen_entry; 3722 enum bfa_port_aen_event aen_evt = 0; 3723 3724 bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) | 3725 ((u64)rsp->event)); 3726 3727 bfad_get_aen_entry(bfad, aen_entry); 3728 if (!aen_entry) 3729 return; 3730 3731 aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc); 3732 aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn; 3733 aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc); 3734 3735 switch (rsp->event) { 3736 case BFA_SFP_SCN_INSERTED: 3737 aen_evt = BFA_PORT_AEN_SFP_INSERT; 3738 break; 3739 case BFA_SFP_SCN_REMOVED: 3740 aen_evt = BFA_PORT_AEN_SFP_REMOVE; 3741 break; 3742 case BFA_SFP_SCN_FAILED: 3743 aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR; 3744 break; 3745 case BFA_SFP_SCN_UNSUPPORT: 3746 aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT; 3747 break; 3748 case BFA_SFP_SCN_POM: 3749 aen_evt = BFA_PORT_AEN_SFP_POM; 3750 aen_entry->aen_data.port.level = rsp->pomlvl; 3751 break; 3752 default: 3753 bfa_trc(sfp, rsp->event); 3754 WARN_ON(1); 3755 } 3756 3757 /* Send the AEN notification */ 3758 bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq, 3759 BFA_AEN_CAT_PORT, aen_evt); 3760 } 3761 3762 /* 3763 * SFP get data send 3764 */ 3765 static void 3766 bfa_sfp_getdata_send(struct bfa_sfp_s *sfp) 3767 { 3768 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3769 3770 bfa_trc(sfp, req->memtype); 3771 3772 /* build host command */ 3773 bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW, 3774 bfa_ioc_portid(sfp->ioc)); 3775 3776 /* send mbox cmd */ 3777 bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd); 3778 } 3779 3780 /* 3781 * SFP is valid, read sfp data 3782 */ 3783 static void 3784 bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype) 3785 { 3786 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3787 3788 WARN_ON(sfp->lock != 0); 3789 bfa_trc(sfp, sfp->state); 3790 3791 sfp->lock = 1; 3792 sfp->memtype = memtype; 3793 req->memtype = memtype; 3794 3795 /* Setup SG list */ 3796 bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa); 3797 3798 bfa_sfp_getdata_send(sfp); 3799 } 3800 3801 /* 3802 * SFP scn handler 3803 */ 3804 static void 3805 bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3806 { 3807 struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg; 3808 3809 switch (rsp->event) { 3810 case BFA_SFP_SCN_INSERTED: 3811 sfp->state = BFA_SFP_STATE_INSERTED; 3812 sfp->data_valid = 0; 3813 bfa_sfp_scn_aen_post(sfp, rsp); 3814 break; 3815 case BFA_SFP_SCN_REMOVED: 3816 sfp->state = BFA_SFP_STATE_REMOVED; 3817 sfp->data_valid = 0; 3818 bfa_sfp_scn_aen_post(sfp, rsp); 3819 break; 3820 case BFA_SFP_SCN_FAILED: 3821 sfp->state = BFA_SFP_STATE_FAILED; 3822 sfp->data_valid = 0; 3823 bfa_sfp_scn_aen_post(sfp, rsp); 3824 break; 3825 case BFA_SFP_SCN_UNSUPPORT: 3826 sfp->state = BFA_SFP_STATE_UNSUPPORT; 3827 bfa_sfp_scn_aen_post(sfp, rsp); 3828 if (!sfp->lock) 3829 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3830 break; 3831 case BFA_SFP_SCN_POM: 3832 bfa_sfp_scn_aen_post(sfp, rsp); 3833 break; 3834 case BFA_SFP_SCN_VALID: 3835 sfp->state = BFA_SFP_STATE_VALID; 3836 if (!sfp->lock) 3837 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3838 break; 3839 default: 3840 bfa_trc(sfp, rsp->event); 3841 WARN_ON(1); 3842 } 3843 } 3844 3845 /* 3846 * SFP show complete 3847 */ 3848 static void 3849 bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3850 { 3851 struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg; 3852 3853 if (!sfp->lock) { 3854 /* 3855 * receiving response after ioc failure 3856 */ 3857 bfa_trc(sfp, sfp->lock); 3858 return; 3859 } 3860 3861 bfa_trc(sfp, rsp->status); 3862 if (rsp->status == BFA_STATUS_OK) { 3863 sfp->data_valid = 1; 3864 if (sfp->state == BFA_SFP_STATE_VALID) 3865 sfp->status = BFA_STATUS_OK; 3866 else if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3867 sfp->status = BFA_STATUS_SFP_UNSUPP; 3868 else 3869 bfa_trc(sfp, sfp->state); 3870 } else { 3871 sfp->data_valid = 0; 3872 sfp->status = rsp->status; 3873 /* sfpshow shouldn't change sfp state */ 3874 } 3875 3876 bfa_trc(sfp, sfp->memtype); 3877 if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) { 3878 bfa_trc(sfp, sfp->data_valid); 3879 if (sfp->data_valid) { 3880 u32 size = sizeof(struct sfp_mem_s); 3881 u8 *des = (u8 *) &(sfp->sfpmem); 3882 memcpy(des, sfp->dbuf_kva, size); 3883 } 3884 /* 3885 * Queue completion callback. 3886 */ 3887 bfa_cb_sfp_show(sfp); 3888 } else 3889 sfp->lock = 0; 3890 3891 bfa_trc(sfp, sfp->state_query_lock); 3892 if (sfp->state_query_lock) { 3893 sfp->state = rsp->state; 3894 /* Complete callback */ 3895 bfa_cb_sfp_state_query(sfp); 3896 } 3897 } 3898 3899 /* 3900 * SFP query fw sfp state 3901 */ 3902 static void 3903 bfa_sfp_state_query(struct bfa_sfp_s *sfp) 3904 { 3905 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3906 3907 /* Should not be doing query if not in _INIT state */ 3908 WARN_ON(sfp->state != BFA_SFP_STATE_INIT); 3909 WARN_ON(sfp->state_query_lock != 0); 3910 bfa_trc(sfp, sfp->state); 3911 3912 sfp->state_query_lock = 1; 3913 req->memtype = 0; 3914 3915 if (!sfp->lock) 3916 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3917 } 3918 3919 static void 3920 bfa_sfp_media_get(struct bfa_sfp_s *sfp) 3921 { 3922 enum bfa_defs_sfp_media_e *media = sfp->media; 3923 3924 *media = BFA_SFP_MEDIA_UNKNOWN; 3925 3926 if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3927 *media = BFA_SFP_MEDIA_UNSUPPORT; 3928 else if (sfp->state == BFA_SFP_STATE_VALID) { 3929 union sfp_xcvr_e10g_code_u e10g; 3930 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3931 u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 | 3932 (sfpmem->srlid_base.xcvr[5] >> 1); 3933 3934 e10g.b = sfpmem->srlid_base.xcvr[0]; 3935 bfa_trc(sfp, e10g.b); 3936 bfa_trc(sfp, xmtr_tech); 3937 /* check fc transmitter tech */ 3938 if ((xmtr_tech & SFP_XMTR_TECH_CU) || 3939 (xmtr_tech & SFP_XMTR_TECH_CP) || 3940 (xmtr_tech & SFP_XMTR_TECH_CA)) 3941 *media = BFA_SFP_MEDIA_CU; 3942 else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) || 3943 (xmtr_tech & SFP_XMTR_TECH_EL_INTER)) 3944 *media = BFA_SFP_MEDIA_EL; 3945 else if ((xmtr_tech & SFP_XMTR_TECH_LL) || 3946 (xmtr_tech & SFP_XMTR_TECH_LC)) 3947 *media = BFA_SFP_MEDIA_LW; 3948 else if ((xmtr_tech & SFP_XMTR_TECH_SL) || 3949 (xmtr_tech & SFP_XMTR_TECH_SN) || 3950 (xmtr_tech & SFP_XMTR_TECH_SA)) 3951 *media = BFA_SFP_MEDIA_SW; 3952 /* Check 10G Ethernet Compilance code */ 3953 else if (e10g.r.e10g_sr) 3954 *media = BFA_SFP_MEDIA_SW; 3955 else if (e10g.r.e10g_lrm && e10g.r.e10g_lr) 3956 *media = BFA_SFP_MEDIA_LW; 3957 else if (e10g.r.e10g_unall) 3958 *media = BFA_SFP_MEDIA_UNKNOWN; 3959 else 3960 bfa_trc(sfp, 0); 3961 } else 3962 bfa_trc(sfp, sfp->state); 3963 } 3964 3965 static bfa_status_t 3966 bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed) 3967 { 3968 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3969 struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr; 3970 union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3; 3971 union sfp_xcvr_e10g_code_u e10g = xcvr->e10g; 3972 3973 if (portspeed == BFA_PORT_SPEED_10GBPS) { 3974 if (e10g.r.e10g_sr || e10g.r.e10g_lr) 3975 return BFA_STATUS_OK; 3976 else { 3977 bfa_trc(sfp, e10g.b); 3978 return BFA_STATUS_UNSUPP_SPEED; 3979 } 3980 } 3981 if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) || 3982 ((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) || 3983 ((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) || 3984 ((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) || 3985 ((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100)) 3986 return BFA_STATUS_OK; 3987 else { 3988 bfa_trc(sfp, portspeed); 3989 bfa_trc(sfp, fc3.b); 3990 bfa_trc(sfp, e10g.b); 3991 return BFA_STATUS_UNSUPP_SPEED; 3992 } 3993 } 3994 3995 /* 3996 * SFP hmbox handler 3997 */ 3998 void 3999 bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg) 4000 { 4001 struct bfa_sfp_s *sfp = sfparg; 4002 4003 switch (msg->mh.msg_id) { 4004 case BFI_SFP_I2H_SHOW: 4005 bfa_sfp_show_comp(sfp, msg); 4006 break; 4007 4008 case BFI_SFP_I2H_SCN: 4009 bfa_sfp_scn(sfp, msg); 4010 break; 4011 4012 default: 4013 bfa_trc(sfp, msg->mh.msg_id); 4014 WARN_ON(1); 4015 } 4016 } 4017 4018 /* 4019 * Return DMA memory needed by sfp module. 4020 */ 4021 u32 4022 bfa_sfp_meminfo(void) 4023 { 4024 return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4025 } 4026 4027 /* 4028 * Attach virtual and physical memory for SFP. 4029 */ 4030 void 4031 bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev, 4032 struct bfa_trc_mod_s *trcmod) 4033 { 4034 sfp->dev = dev; 4035 sfp->ioc = ioc; 4036 sfp->trcmod = trcmod; 4037 4038 sfp->cbfn = NULL; 4039 sfp->cbarg = NULL; 4040 sfp->sfpmem = NULL; 4041 sfp->lock = 0; 4042 sfp->data_valid = 0; 4043 sfp->state = BFA_SFP_STATE_INIT; 4044 sfp->state_query_lock = 0; 4045 sfp->state_query_cbfn = NULL; 4046 sfp->state_query_cbarg = NULL; 4047 sfp->media = NULL; 4048 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 4049 sfp->is_elb = BFA_FALSE; 4050 4051 bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp); 4052 bfa_q_qe_init(&sfp->ioc_notify); 4053 bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp); 4054 list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q); 4055 } 4056 4057 /* 4058 * Claim Memory for SFP 4059 */ 4060 void 4061 bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa) 4062 { 4063 sfp->dbuf_kva = dm_kva; 4064 sfp->dbuf_pa = dm_pa; 4065 memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s)); 4066 4067 dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4068 dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4069 } 4070 4071 /* 4072 * Show SFP eeprom content 4073 * 4074 * @param[in] sfp - bfa sfp module 4075 * 4076 * @param[out] sfpmem - sfp eeprom data 4077 * 4078 */ 4079 bfa_status_t 4080 bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem, 4081 bfa_cb_sfp_t cbfn, void *cbarg) 4082 { 4083 4084 if (!bfa_ioc_is_operational(sfp->ioc)) { 4085 bfa_trc(sfp, 0); 4086 return BFA_STATUS_IOC_NON_OP; 4087 } 4088 4089 if (sfp->lock) { 4090 bfa_trc(sfp, 0); 4091 return BFA_STATUS_DEVBUSY; 4092 } 4093 4094 sfp->cbfn = cbfn; 4095 sfp->cbarg = cbarg; 4096 sfp->sfpmem = sfpmem; 4097 4098 bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT); 4099 return BFA_STATUS_OK; 4100 } 4101 4102 /* 4103 * Return SFP Media type 4104 * 4105 * @param[in] sfp - bfa sfp module 4106 * 4107 * @param[out] media - port speed from user 4108 * 4109 */ 4110 bfa_status_t 4111 bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media, 4112 bfa_cb_sfp_t cbfn, void *cbarg) 4113 { 4114 if (!bfa_ioc_is_operational(sfp->ioc)) { 4115 bfa_trc(sfp, 0); 4116 return BFA_STATUS_IOC_NON_OP; 4117 } 4118 4119 sfp->media = media; 4120 if (sfp->state == BFA_SFP_STATE_INIT) { 4121 if (sfp->state_query_lock) { 4122 bfa_trc(sfp, 0); 4123 return BFA_STATUS_DEVBUSY; 4124 } else { 4125 sfp->state_query_cbfn = cbfn; 4126 sfp->state_query_cbarg = cbarg; 4127 bfa_sfp_state_query(sfp); 4128 return BFA_STATUS_SFP_NOT_READY; 4129 } 4130 } 4131 4132 bfa_sfp_media_get(sfp); 4133 return BFA_STATUS_OK; 4134 } 4135 4136 /* 4137 * Check if user set port speed is allowed by the SFP 4138 * 4139 * @param[in] sfp - bfa sfp module 4140 * @param[in] portspeed - port speed from user 4141 * 4142 */ 4143 bfa_status_t 4144 bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed, 4145 bfa_cb_sfp_t cbfn, void *cbarg) 4146 { 4147 WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN); 4148 4149 if (!bfa_ioc_is_operational(sfp->ioc)) 4150 return BFA_STATUS_IOC_NON_OP; 4151 4152 /* For Mezz card, all speed is allowed */ 4153 if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type)) 4154 return BFA_STATUS_OK; 4155 4156 /* Check SFP state */ 4157 sfp->portspeed = portspeed; 4158 if (sfp->state == BFA_SFP_STATE_INIT) { 4159 if (sfp->state_query_lock) { 4160 bfa_trc(sfp, 0); 4161 return BFA_STATUS_DEVBUSY; 4162 } else { 4163 sfp->state_query_cbfn = cbfn; 4164 sfp->state_query_cbarg = cbarg; 4165 bfa_sfp_state_query(sfp); 4166 return BFA_STATUS_SFP_NOT_READY; 4167 } 4168 } 4169 4170 if (sfp->state == BFA_SFP_STATE_REMOVED || 4171 sfp->state == BFA_SFP_STATE_FAILED) { 4172 bfa_trc(sfp, sfp->state); 4173 return BFA_STATUS_NO_SFP_DEV; 4174 } 4175 4176 if (sfp->state == BFA_SFP_STATE_INSERTED) { 4177 bfa_trc(sfp, sfp->state); 4178 return BFA_STATUS_DEVBUSY; /* sfp is reading data */ 4179 } 4180 4181 /* For eloopback, all speed is allowed */ 4182 if (sfp->is_elb) 4183 return BFA_STATUS_OK; 4184 4185 return bfa_sfp_speed_valid(sfp, portspeed); 4186 } 4187 4188 /* 4189 * Flash module specific 4190 */ 4191 4192 /* 4193 * FLASH DMA buffer should be big enough to hold both MFG block and 4194 * asic block(64k) at the same time and also should be 2k aligned to 4195 * avoid write segement to cross sector boundary. 4196 */ 4197 #define BFA_FLASH_SEG_SZ 2048 4198 #define BFA_FLASH_DMA_BUF_SZ \ 4199 BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ) 4200 4201 static void 4202 bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event, 4203 int inst, int type) 4204 { 4205 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 4206 struct bfa_aen_entry_s *aen_entry; 4207 4208 bfad_get_aen_entry(bfad, aen_entry); 4209 if (!aen_entry) 4210 return; 4211 4212 aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn; 4213 aen_entry->aen_data.audit.partition_inst = inst; 4214 aen_entry->aen_data.audit.partition_type = type; 4215 4216 /* Send the AEN notification */ 4217 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 4218 BFA_AEN_CAT_AUDIT, event); 4219 } 4220 4221 static void 4222 bfa_flash_cb(struct bfa_flash_s *flash) 4223 { 4224 flash->op_busy = 0; 4225 if (flash->cbfn) 4226 flash->cbfn(flash->cbarg, flash->status); 4227 } 4228 4229 static void 4230 bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event) 4231 { 4232 struct bfa_flash_s *flash = cbarg; 4233 4234 bfa_trc(flash, event); 4235 switch (event) { 4236 case BFA_IOC_E_DISABLED: 4237 case BFA_IOC_E_FAILED: 4238 if (flash->op_busy) { 4239 flash->status = BFA_STATUS_IOC_FAILURE; 4240 flash->cbfn(flash->cbarg, flash->status); 4241 flash->op_busy = 0; 4242 } 4243 break; 4244 4245 default: 4246 break; 4247 } 4248 } 4249 4250 /* 4251 * Send flash attribute query request. 4252 * 4253 * @param[in] cbarg - callback argument 4254 */ 4255 static void 4256 bfa_flash_query_send(void *cbarg) 4257 { 4258 struct bfa_flash_s *flash = cbarg; 4259 struct bfi_flash_query_req_s *msg = 4260 (struct bfi_flash_query_req_s *) flash->mb.msg; 4261 4262 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ, 4263 bfa_ioc_portid(flash->ioc)); 4264 bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s), 4265 flash->dbuf_pa); 4266 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4267 } 4268 4269 /* 4270 * Send flash write request. 4271 * 4272 * @param[in] cbarg - callback argument 4273 */ 4274 static void 4275 bfa_flash_write_send(struct bfa_flash_s *flash) 4276 { 4277 struct bfi_flash_write_req_s *msg = 4278 (struct bfi_flash_write_req_s *) flash->mb.msg; 4279 u32 len; 4280 4281 msg->type = be32_to_cpu(flash->type); 4282 msg->instance = flash->instance; 4283 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4284 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4285 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4286 msg->length = be32_to_cpu(len); 4287 4288 /* indicate if it's the last msg of the whole write operation */ 4289 msg->last = (len == flash->residue) ? 1 : 0; 4290 4291 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ, 4292 bfa_ioc_portid(flash->ioc)); 4293 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4294 memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len); 4295 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4296 4297 flash->residue -= len; 4298 flash->offset += len; 4299 } 4300 4301 /* 4302 * Send flash read request. 4303 * 4304 * @param[in] cbarg - callback argument 4305 */ 4306 static void 4307 bfa_flash_read_send(void *cbarg) 4308 { 4309 struct bfa_flash_s *flash = cbarg; 4310 struct bfi_flash_read_req_s *msg = 4311 (struct bfi_flash_read_req_s *) flash->mb.msg; 4312 u32 len; 4313 4314 msg->type = be32_to_cpu(flash->type); 4315 msg->instance = flash->instance; 4316 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4317 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4318 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4319 msg->length = be32_to_cpu(len); 4320 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ, 4321 bfa_ioc_portid(flash->ioc)); 4322 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4323 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4324 } 4325 4326 /* 4327 * Send flash erase request. 4328 * 4329 * @param[in] cbarg - callback argument 4330 */ 4331 static void 4332 bfa_flash_erase_send(void *cbarg) 4333 { 4334 struct bfa_flash_s *flash = cbarg; 4335 struct bfi_flash_erase_req_s *msg = 4336 (struct bfi_flash_erase_req_s *) flash->mb.msg; 4337 4338 msg->type = be32_to_cpu(flash->type); 4339 msg->instance = flash->instance; 4340 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ, 4341 bfa_ioc_portid(flash->ioc)); 4342 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4343 } 4344 4345 /* 4346 * Process flash response messages upon receiving interrupts. 4347 * 4348 * @param[in] flasharg - flash structure 4349 * @param[in] msg - message structure 4350 */ 4351 static void 4352 bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg) 4353 { 4354 struct bfa_flash_s *flash = flasharg; 4355 u32 status; 4356 4357 union { 4358 struct bfi_flash_query_rsp_s *query; 4359 struct bfi_flash_erase_rsp_s *erase; 4360 struct bfi_flash_write_rsp_s *write; 4361 struct bfi_flash_read_rsp_s *read; 4362 struct bfi_flash_event_s *event; 4363 struct bfi_mbmsg_s *msg; 4364 } m; 4365 4366 m.msg = msg; 4367 bfa_trc(flash, msg->mh.msg_id); 4368 4369 if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) { 4370 /* receiving response after ioc failure */ 4371 bfa_trc(flash, 0x9999); 4372 return; 4373 } 4374 4375 switch (msg->mh.msg_id) { 4376 case BFI_FLASH_I2H_QUERY_RSP: 4377 status = be32_to_cpu(m.query->status); 4378 bfa_trc(flash, status); 4379 if (status == BFA_STATUS_OK) { 4380 u32 i; 4381 struct bfa_flash_attr_s *attr, *f; 4382 4383 attr = (struct bfa_flash_attr_s *) flash->ubuf; 4384 f = (struct bfa_flash_attr_s *) flash->dbuf_kva; 4385 attr->status = be32_to_cpu(f->status); 4386 attr->npart = be32_to_cpu(f->npart); 4387 bfa_trc(flash, attr->status); 4388 bfa_trc(flash, attr->npart); 4389 for (i = 0; i < attr->npart; i++) { 4390 attr->part[i].part_type = 4391 be32_to_cpu(f->part[i].part_type); 4392 attr->part[i].part_instance = 4393 be32_to_cpu(f->part[i].part_instance); 4394 attr->part[i].part_off = 4395 be32_to_cpu(f->part[i].part_off); 4396 attr->part[i].part_size = 4397 be32_to_cpu(f->part[i].part_size); 4398 attr->part[i].part_len = 4399 be32_to_cpu(f->part[i].part_len); 4400 attr->part[i].part_status = 4401 be32_to_cpu(f->part[i].part_status); 4402 } 4403 } 4404 flash->status = status; 4405 bfa_flash_cb(flash); 4406 break; 4407 case BFI_FLASH_I2H_ERASE_RSP: 4408 status = be32_to_cpu(m.erase->status); 4409 bfa_trc(flash, status); 4410 flash->status = status; 4411 bfa_flash_cb(flash); 4412 break; 4413 case BFI_FLASH_I2H_WRITE_RSP: 4414 status = be32_to_cpu(m.write->status); 4415 bfa_trc(flash, status); 4416 if (status != BFA_STATUS_OK || flash->residue == 0) { 4417 flash->status = status; 4418 bfa_flash_cb(flash); 4419 } else { 4420 bfa_trc(flash, flash->offset); 4421 bfa_flash_write_send(flash); 4422 } 4423 break; 4424 case BFI_FLASH_I2H_READ_RSP: 4425 status = be32_to_cpu(m.read->status); 4426 bfa_trc(flash, status); 4427 if (status != BFA_STATUS_OK) { 4428 flash->status = status; 4429 bfa_flash_cb(flash); 4430 } else { 4431 u32 len = be32_to_cpu(m.read->length); 4432 bfa_trc(flash, flash->offset); 4433 bfa_trc(flash, len); 4434 memcpy(flash->ubuf + flash->offset, 4435 flash->dbuf_kva, len); 4436 flash->residue -= len; 4437 flash->offset += len; 4438 if (flash->residue == 0) { 4439 flash->status = status; 4440 bfa_flash_cb(flash); 4441 } else 4442 bfa_flash_read_send(flash); 4443 } 4444 break; 4445 case BFI_FLASH_I2H_BOOT_VER_RSP: 4446 break; 4447 case BFI_FLASH_I2H_EVENT: 4448 status = be32_to_cpu(m.event->status); 4449 bfa_trc(flash, status); 4450 if (status == BFA_STATUS_BAD_FWCFG) 4451 bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR); 4452 else if (status == BFA_STATUS_INVALID_VENDOR) { 4453 u32 param; 4454 param = be32_to_cpu(m.event->param); 4455 bfa_trc(flash, param); 4456 bfa_ioc_aen_post(flash->ioc, 4457 BFA_IOC_AEN_INVALID_VENDOR); 4458 } 4459 break; 4460 4461 default: 4462 WARN_ON(1); 4463 } 4464 } 4465 4466 /* 4467 * Flash memory info API. 4468 * 4469 * @param[in] mincfg - minimal cfg variable 4470 */ 4471 u32 4472 bfa_flash_meminfo(bfa_boolean_t mincfg) 4473 { 4474 /* min driver doesn't need flash */ 4475 if (mincfg) 4476 return 0; 4477 return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4478 } 4479 4480 /* 4481 * Flash attach API. 4482 * 4483 * @param[in] flash - flash structure 4484 * @param[in] ioc - ioc structure 4485 * @param[in] dev - device structure 4486 * @param[in] trcmod - trace module 4487 * @param[in] logmod - log module 4488 */ 4489 void 4490 bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev, 4491 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 4492 { 4493 flash->ioc = ioc; 4494 flash->trcmod = trcmod; 4495 flash->cbfn = NULL; 4496 flash->cbarg = NULL; 4497 flash->op_busy = 0; 4498 4499 bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash); 4500 bfa_q_qe_init(&flash->ioc_notify); 4501 bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash); 4502 list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); 4503 4504 /* min driver doesn't need flash */ 4505 if (mincfg) { 4506 flash->dbuf_kva = NULL; 4507 flash->dbuf_pa = 0; 4508 } 4509 } 4510 4511 /* 4512 * Claim memory for flash 4513 * 4514 * @param[in] flash - flash structure 4515 * @param[in] dm_kva - pointer to virtual memory address 4516 * @param[in] dm_pa - physical memory address 4517 * @param[in] mincfg - minimal cfg variable 4518 */ 4519 void 4520 bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa, 4521 bfa_boolean_t mincfg) 4522 { 4523 if (mincfg) 4524 return; 4525 4526 flash->dbuf_kva = dm_kva; 4527 flash->dbuf_pa = dm_pa; 4528 memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ); 4529 dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4530 dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4531 } 4532 4533 /* 4534 * Get flash attribute. 4535 * 4536 * @param[in] flash - flash structure 4537 * @param[in] attr - flash attribute structure 4538 * @param[in] cbfn - callback function 4539 * @param[in] cbarg - callback argument 4540 * 4541 * Return status. 4542 */ 4543 bfa_status_t 4544 bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr, 4545 bfa_cb_flash_t cbfn, void *cbarg) 4546 { 4547 bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ); 4548 4549 if (!bfa_ioc_is_operational(flash->ioc)) 4550 return BFA_STATUS_IOC_NON_OP; 4551 4552 if (flash->op_busy) { 4553 bfa_trc(flash, flash->op_busy); 4554 return BFA_STATUS_DEVBUSY; 4555 } 4556 4557 flash->op_busy = 1; 4558 flash->cbfn = cbfn; 4559 flash->cbarg = cbarg; 4560 flash->ubuf = (u8 *) attr; 4561 bfa_flash_query_send(flash); 4562 4563 return BFA_STATUS_OK; 4564 } 4565 4566 /* 4567 * Erase flash partition. 4568 * 4569 * @param[in] flash - flash structure 4570 * @param[in] type - flash partition type 4571 * @param[in] instance - flash partition instance 4572 * @param[in] cbfn - callback function 4573 * @param[in] cbarg - callback argument 4574 * 4575 * Return status. 4576 */ 4577 bfa_status_t 4578 bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4579 u8 instance, bfa_cb_flash_t cbfn, void *cbarg) 4580 { 4581 bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ); 4582 bfa_trc(flash, type); 4583 bfa_trc(flash, instance); 4584 4585 if (!bfa_ioc_is_operational(flash->ioc)) 4586 return BFA_STATUS_IOC_NON_OP; 4587 4588 if (flash->op_busy) { 4589 bfa_trc(flash, flash->op_busy); 4590 return BFA_STATUS_DEVBUSY; 4591 } 4592 4593 flash->op_busy = 1; 4594 flash->cbfn = cbfn; 4595 flash->cbarg = cbarg; 4596 flash->type = type; 4597 flash->instance = instance; 4598 4599 bfa_flash_erase_send(flash); 4600 bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE, 4601 instance, type); 4602 return BFA_STATUS_OK; 4603 } 4604 4605 /* 4606 * Update flash partition. 4607 * 4608 * @param[in] flash - flash structure 4609 * @param[in] type - flash partition type 4610 * @param[in] instance - flash partition instance 4611 * @param[in] buf - update data buffer 4612 * @param[in] len - data buffer length 4613 * @param[in] offset - offset relative to the partition starting address 4614 * @param[in] cbfn - callback function 4615 * @param[in] cbarg - callback argument 4616 * 4617 * Return status. 4618 */ 4619 bfa_status_t 4620 bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4621 u8 instance, void *buf, u32 len, u32 offset, 4622 bfa_cb_flash_t cbfn, void *cbarg) 4623 { 4624 bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ); 4625 bfa_trc(flash, type); 4626 bfa_trc(flash, instance); 4627 bfa_trc(flash, len); 4628 bfa_trc(flash, offset); 4629 4630 if (!bfa_ioc_is_operational(flash->ioc)) 4631 return BFA_STATUS_IOC_NON_OP; 4632 4633 /* 4634 * 'len' must be in word (4-byte) boundary 4635 * 'offset' must be in sector (16kb) boundary 4636 */ 4637 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4638 return BFA_STATUS_FLASH_BAD_LEN; 4639 4640 if (type == BFA_FLASH_PART_MFG) 4641 return BFA_STATUS_EINVAL; 4642 4643 if (flash->op_busy) { 4644 bfa_trc(flash, flash->op_busy); 4645 return BFA_STATUS_DEVBUSY; 4646 } 4647 4648 flash->op_busy = 1; 4649 flash->cbfn = cbfn; 4650 flash->cbarg = cbarg; 4651 flash->type = type; 4652 flash->instance = instance; 4653 flash->residue = len; 4654 flash->offset = 0; 4655 flash->addr_off = offset; 4656 flash->ubuf = buf; 4657 4658 bfa_flash_write_send(flash); 4659 return BFA_STATUS_OK; 4660 } 4661 4662 /* 4663 * Read flash partition. 4664 * 4665 * @param[in] flash - flash structure 4666 * @param[in] type - flash partition type 4667 * @param[in] instance - flash partition instance 4668 * @param[in] buf - read data buffer 4669 * @param[in] len - data buffer length 4670 * @param[in] offset - offset relative to the partition starting address 4671 * @param[in] cbfn - callback function 4672 * @param[in] cbarg - callback argument 4673 * 4674 * Return status. 4675 */ 4676 bfa_status_t 4677 bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4678 u8 instance, void *buf, u32 len, u32 offset, 4679 bfa_cb_flash_t cbfn, void *cbarg) 4680 { 4681 bfa_trc(flash, BFI_FLASH_H2I_READ_REQ); 4682 bfa_trc(flash, type); 4683 bfa_trc(flash, instance); 4684 bfa_trc(flash, len); 4685 bfa_trc(flash, offset); 4686 4687 if (!bfa_ioc_is_operational(flash->ioc)) 4688 return BFA_STATUS_IOC_NON_OP; 4689 4690 /* 4691 * 'len' must be in word (4-byte) boundary 4692 * 'offset' must be in sector (16kb) boundary 4693 */ 4694 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4695 return BFA_STATUS_FLASH_BAD_LEN; 4696 4697 if (flash->op_busy) { 4698 bfa_trc(flash, flash->op_busy); 4699 return BFA_STATUS_DEVBUSY; 4700 } 4701 4702 flash->op_busy = 1; 4703 flash->cbfn = cbfn; 4704 flash->cbarg = cbarg; 4705 flash->type = type; 4706 flash->instance = instance; 4707 flash->residue = len; 4708 flash->offset = 0; 4709 flash->addr_off = offset; 4710 flash->ubuf = buf; 4711 bfa_flash_read_send(flash); 4712 4713 return BFA_STATUS_OK; 4714 } 4715 4716 /* 4717 * DIAG module specific 4718 */ 4719 4720 #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */ 4721 #define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */ 4722 4723 /* IOC event handler */ 4724 static void 4725 bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event) 4726 { 4727 struct bfa_diag_s *diag = diag_arg; 4728 4729 bfa_trc(diag, event); 4730 bfa_trc(diag, diag->block); 4731 bfa_trc(diag, diag->fwping.lock); 4732 bfa_trc(diag, diag->tsensor.lock); 4733 4734 switch (event) { 4735 case BFA_IOC_E_DISABLED: 4736 case BFA_IOC_E_FAILED: 4737 if (diag->fwping.lock) { 4738 diag->fwping.status = BFA_STATUS_IOC_FAILURE; 4739 diag->fwping.cbfn(diag->fwping.cbarg, 4740 diag->fwping.status); 4741 diag->fwping.lock = 0; 4742 } 4743 4744 if (diag->tsensor.lock) { 4745 diag->tsensor.status = BFA_STATUS_IOC_FAILURE; 4746 diag->tsensor.cbfn(diag->tsensor.cbarg, 4747 diag->tsensor.status); 4748 diag->tsensor.lock = 0; 4749 } 4750 4751 if (diag->block) { 4752 if (diag->timer_active) { 4753 bfa_timer_stop(&diag->timer); 4754 diag->timer_active = 0; 4755 } 4756 4757 diag->status = BFA_STATUS_IOC_FAILURE; 4758 diag->cbfn(diag->cbarg, diag->status); 4759 diag->block = 0; 4760 } 4761 break; 4762 4763 default: 4764 break; 4765 } 4766 } 4767 4768 static void 4769 bfa_diag_memtest_done(void *cbarg) 4770 { 4771 struct bfa_diag_s *diag = cbarg; 4772 struct bfa_ioc_s *ioc = diag->ioc; 4773 struct bfa_diag_memtest_result *res = diag->result; 4774 u32 loff = BFI_BOOT_MEMTEST_RES_ADDR; 4775 u32 pgnum, pgoff, i; 4776 4777 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 4778 pgoff = PSS_SMEM_PGOFF(loff); 4779 4780 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 4781 4782 for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) / 4783 sizeof(u32)); i++) { 4784 /* read test result from smem */ 4785 *((u32 *) res + i) = 4786 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 4787 loff += sizeof(u32); 4788 } 4789 4790 /* Reset IOC fwstates to BFI_IOC_UNINIT */ 4791 bfa_ioc_reset_fwstate(ioc); 4792 4793 res->status = swab32(res->status); 4794 bfa_trc(diag, res->status); 4795 4796 if (res->status == BFI_BOOT_MEMTEST_RES_SIG) 4797 diag->status = BFA_STATUS_OK; 4798 else { 4799 diag->status = BFA_STATUS_MEMTEST_FAILED; 4800 res->addr = swab32(res->addr); 4801 res->exp = swab32(res->exp); 4802 res->act = swab32(res->act); 4803 res->err_status = swab32(res->err_status); 4804 res->err_status1 = swab32(res->err_status1); 4805 res->err_addr = swab32(res->err_addr); 4806 bfa_trc(diag, res->addr); 4807 bfa_trc(diag, res->exp); 4808 bfa_trc(diag, res->act); 4809 bfa_trc(diag, res->err_status); 4810 bfa_trc(diag, res->err_status1); 4811 bfa_trc(diag, res->err_addr); 4812 } 4813 diag->timer_active = 0; 4814 diag->cbfn(diag->cbarg, diag->status); 4815 diag->block = 0; 4816 } 4817 4818 /* 4819 * Firmware ping 4820 */ 4821 4822 /* 4823 * Perform DMA test directly 4824 */ 4825 static void 4826 diag_fwping_send(struct bfa_diag_s *diag) 4827 { 4828 struct bfi_diag_fwping_req_s *fwping_req; 4829 u32 i; 4830 4831 bfa_trc(diag, diag->fwping.dbuf_pa); 4832 4833 /* fill DMA area with pattern */ 4834 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) 4835 *((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data; 4836 4837 /* Fill mbox msg */ 4838 fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg; 4839 4840 /* Setup SG list */ 4841 bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ, 4842 diag->fwping.dbuf_pa); 4843 /* Set up dma count */ 4844 fwping_req->count = cpu_to_be32(diag->fwping.count); 4845 /* Set up data pattern */ 4846 fwping_req->data = diag->fwping.data; 4847 4848 /* build host command */ 4849 bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING, 4850 bfa_ioc_portid(diag->ioc)); 4851 4852 /* send mbox cmd */ 4853 bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd); 4854 } 4855 4856 static void 4857 diag_fwping_comp(struct bfa_diag_s *diag, 4858 struct bfi_diag_fwping_rsp_s *diag_rsp) 4859 { 4860 u32 rsp_data = diag_rsp->data; 4861 u8 rsp_dma_status = diag_rsp->dma_status; 4862 4863 bfa_trc(diag, rsp_data); 4864 bfa_trc(diag, rsp_dma_status); 4865 4866 if (rsp_dma_status == BFA_STATUS_OK) { 4867 u32 i, pat; 4868 pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) : 4869 diag->fwping.data; 4870 /* Check mbox data */ 4871 if (diag->fwping.data != rsp_data) { 4872 bfa_trc(diag, rsp_data); 4873 diag->fwping.result->dmastatus = 4874 BFA_STATUS_DATACORRUPTED; 4875 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4876 diag->fwping.cbfn(diag->fwping.cbarg, 4877 diag->fwping.status); 4878 diag->fwping.lock = 0; 4879 return; 4880 } 4881 /* Check dma pattern */ 4882 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) { 4883 if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) { 4884 bfa_trc(diag, i); 4885 bfa_trc(diag, pat); 4886 bfa_trc(diag, 4887 *((u32 *)diag->fwping.dbuf_kva + i)); 4888 diag->fwping.result->dmastatus = 4889 BFA_STATUS_DATACORRUPTED; 4890 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4891 diag->fwping.cbfn(diag->fwping.cbarg, 4892 diag->fwping.status); 4893 diag->fwping.lock = 0; 4894 return; 4895 } 4896 } 4897 diag->fwping.result->dmastatus = BFA_STATUS_OK; 4898 diag->fwping.status = BFA_STATUS_OK; 4899 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4900 diag->fwping.lock = 0; 4901 } else { 4902 diag->fwping.status = BFA_STATUS_HDMA_FAILED; 4903 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4904 diag->fwping.lock = 0; 4905 } 4906 } 4907 4908 /* 4909 * Temperature Sensor 4910 */ 4911 4912 static void 4913 diag_tempsensor_send(struct bfa_diag_s *diag) 4914 { 4915 struct bfi_diag_ts_req_s *msg; 4916 4917 msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg; 4918 bfa_trc(diag, msg->temp); 4919 /* build host command */ 4920 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR, 4921 bfa_ioc_portid(diag->ioc)); 4922 /* send mbox cmd */ 4923 bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd); 4924 } 4925 4926 static void 4927 diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp) 4928 { 4929 if (!diag->tsensor.lock) { 4930 /* receiving response after ioc failure */ 4931 bfa_trc(diag, diag->tsensor.lock); 4932 return; 4933 } 4934 4935 /* 4936 * ASIC junction tempsensor is a reg read operation 4937 * it will always return OK 4938 */ 4939 diag->tsensor.temp->temp = be16_to_cpu(rsp->temp); 4940 diag->tsensor.temp->ts_junc = rsp->ts_junc; 4941 diag->tsensor.temp->ts_brd = rsp->ts_brd; 4942 4943 if (rsp->ts_brd) { 4944 /* tsensor.temp->status is brd_temp status */ 4945 diag->tsensor.temp->status = rsp->status; 4946 if (rsp->status == BFA_STATUS_OK) { 4947 diag->tsensor.temp->brd_temp = 4948 be16_to_cpu(rsp->brd_temp); 4949 } else 4950 diag->tsensor.temp->brd_temp = 0; 4951 } 4952 4953 bfa_trc(diag, rsp->status); 4954 bfa_trc(diag, rsp->ts_junc); 4955 bfa_trc(diag, rsp->temp); 4956 bfa_trc(diag, rsp->ts_brd); 4957 bfa_trc(diag, rsp->brd_temp); 4958 4959 /* tsensor status is always good bcos we always have junction temp */ 4960 diag->tsensor.status = BFA_STATUS_OK; 4961 diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status); 4962 diag->tsensor.lock = 0; 4963 } 4964 4965 /* 4966 * LED Test command 4967 */ 4968 static void 4969 diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 4970 { 4971 struct bfi_diag_ledtest_req_s *msg; 4972 4973 msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg; 4974 /* build host command */ 4975 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST, 4976 bfa_ioc_portid(diag->ioc)); 4977 4978 /* 4979 * convert the freq from N blinks per 10 sec to 4980 * crossbow ontime value. We do it here because division is need 4981 */ 4982 if (ledtest->freq) 4983 ledtest->freq = 500 / ledtest->freq; 4984 4985 if (ledtest->freq == 0) 4986 ledtest->freq = 1; 4987 4988 bfa_trc(diag, ledtest->freq); 4989 /* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */ 4990 msg->cmd = (u8) ledtest->cmd; 4991 msg->color = (u8) ledtest->color; 4992 msg->portid = bfa_ioc_portid(diag->ioc); 4993 msg->led = ledtest->led; 4994 msg->freq = cpu_to_be16(ledtest->freq); 4995 4996 /* send mbox cmd */ 4997 bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd); 4998 } 4999 5000 static void 5001 diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg) 5002 { 5003 bfa_trc(diag, diag->ledtest.lock); 5004 diag->ledtest.lock = BFA_FALSE; 5005 /* no bfa_cb_queue is needed because driver is not waiting */ 5006 } 5007 5008 /* 5009 * Port beaconing 5010 */ 5011 static void 5012 diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec) 5013 { 5014 struct bfi_diag_portbeacon_req_s *msg; 5015 5016 msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg; 5017 /* build host command */ 5018 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON, 5019 bfa_ioc_portid(diag->ioc)); 5020 msg->beacon = beacon; 5021 msg->period = cpu_to_be32(sec); 5022 /* send mbox cmd */ 5023 bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd); 5024 } 5025 5026 static void 5027 diag_portbeacon_comp(struct bfa_diag_s *diag) 5028 { 5029 bfa_trc(diag, diag->beacon.state); 5030 diag->beacon.state = BFA_FALSE; 5031 if (diag->cbfn_beacon) 5032 diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e); 5033 } 5034 5035 /* 5036 * Diag hmbox handler 5037 */ 5038 void 5039 bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg) 5040 { 5041 struct bfa_diag_s *diag = diagarg; 5042 5043 switch (msg->mh.msg_id) { 5044 case BFI_DIAG_I2H_PORTBEACON: 5045 diag_portbeacon_comp(diag); 5046 break; 5047 case BFI_DIAG_I2H_FWPING: 5048 diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg); 5049 break; 5050 case BFI_DIAG_I2H_TEMPSENSOR: 5051 diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg); 5052 break; 5053 case BFI_DIAG_I2H_LEDTEST: 5054 diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg); 5055 break; 5056 default: 5057 bfa_trc(diag, msg->mh.msg_id); 5058 WARN_ON(1); 5059 } 5060 } 5061 5062 /* 5063 * Gen RAM Test 5064 * 5065 * @param[in] *diag - diag data struct 5066 * @param[in] *memtest - mem test params input from upper layer, 5067 * @param[in] pattern - mem test pattern 5068 * @param[in] *result - mem test result 5069 * @param[in] cbfn - mem test callback functioin 5070 * @param[in] cbarg - callback functioin arg 5071 * 5072 * @param[out] 5073 */ 5074 bfa_status_t 5075 bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, 5076 u32 pattern, struct bfa_diag_memtest_result *result, 5077 bfa_cb_diag_t cbfn, void *cbarg) 5078 { 5079 u32 memtest_tov; 5080 5081 bfa_trc(diag, pattern); 5082 5083 if (!bfa_ioc_adapter_is_disabled(diag->ioc)) 5084 return BFA_STATUS_ADAPTER_ENABLED; 5085 5086 /* check to see if there is another destructive diag cmd running */ 5087 if (diag->block) { 5088 bfa_trc(diag, diag->block); 5089 return BFA_STATUS_DEVBUSY; 5090 } else 5091 diag->block = 1; 5092 5093 diag->result = result; 5094 diag->cbfn = cbfn; 5095 diag->cbarg = cbarg; 5096 5097 /* download memtest code and take LPU0 out of reset */ 5098 bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS); 5099 5100 memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ? 5101 CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV; 5102 bfa_timer_begin(diag->ioc->timer_mod, &diag->timer, 5103 bfa_diag_memtest_done, diag, memtest_tov); 5104 diag->timer_active = 1; 5105 return BFA_STATUS_OK; 5106 } 5107 5108 /* 5109 * DIAG firmware ping command 5110 * 5111 * @param[in] *diag - diag data struct 5112 * @param[in] cnt - dma loop count for testing PCIE 5113 * @param[in] data - data pattern to pass in fw 5114 * @param[in] *result - pt to bfa_diag_fwping_result_t data struct 5115 * @param[in] cbfn - callback function 5116 * @param[in] *cbarg - callback functioin arg 5117 * 5118 * @param[out] 5119 */ 5120 bfa_status_t 5121 bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data, 5122 struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn, 5123 void *cbarg) 5124 { 5125 bfa_trc(diag, cnt); 5126 bfa_trc(diag, data); 5127 5128 if (!bfa_ioc_is_operational(diag->ioc)) 5129 return BFA_STATUS_IOC_NON_OP; 5130 5131 if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) && 5132 ((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH)) 5133 return BFA_STATUS_CMD_NOTSUPP; 5134 5135 /* check to see if there is another destructive diag cmd running */ 5136 if (diag->block || diag->fwping.lock) { 5137 bfa_trc(diag, diag->block); 5138 bfa_trc(diag, diag->fwping.lock); 5139 return BFA_STATUS_DEVBUSY; 5140 } 5141 5142 /* Initialization */ 5143 diag->fwping.lock = 1; 5144 diag->fwping.cbfn = cbfn; 5145 diag->fwping.cbarg = cbarg; 5146 diag->fwping.result = result; 5147 diag->fwping.data = data; 5148 diag->fwping.count = cnt; 5149 5150 /* Init test results */ 5151 diag->fwping.result->data = 0; 5152 diag->fwping.result->status = BFA_STATUS_OK; 5153 5154 /* kick off the first ping */ 5155 diag_fwping_send(diag); 5156 return BFA_STATUS_OK; 5157 } 5158 5159 /* 5160 * Read Temperature Sensor 5161 * 5162 * @param[in] *diag - diag data struct 5163 * @param[in] *result - pt to bfa_diag_temp_t data struct 5164 * @param[in] cbfn - callback function 5165 * @param[in] *cbarg - callback functioin arg 5166 * 5167 * @param[out] 5168 */ 5169 bfa_status_t 5170 bfa_diag_tsensor_query(struct bfa_diag_s *diag, 5171 struct bfa_diag_results_tempsensor_s *result, 5172 bfa_cb_diag_t cbfn, void *cbarg) 5173 { 5174 /* check to see if there is a destructive diag cmd running */ 5175 if (diag->block || diag->tsensor.lock) { 5176 bfa_trc(diag, diag->block); 5177 bfa_trc(diag, diag->tsensor.lock); 5178 return BFA_STATUS_DEVBUSY; 5179 } 5180 5181 if (!bfa_ioc_is_operational(diag->ioc)) 5182 return BFA_STATUS_IOC_NON_OP; 5183 5184 /* Init diag mod params */ 5185 diag->tsensor.lock = 1; 5186 diag->tsensor.temp = result; 5187 diag->tsensor.cbfn = cbfn; 5188 diag->tsensor.cbarg = cbarg; 5189 diag->tsensor.status = BFA_STATUS_OK; 5190 5191 /* Send msg to fw */ 5192 diag_tempsensor_send(diag); 5193 5194 return BFA_STATUS_OK; 5195 } 5196 5197 /* 5198 * LED Test command 5199 * 5200 * @param[in] *diag - diag data struct 5201 * @param[in] *ledtest - pt to ledtest data structure 5202 * 5203 * @param[out] 5204 */ 5205 bfa_status_t 5206 bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 5207 { 5208 bfa_trc(diag, ledtest->cmd); 5209 5210 if (!bfa_ioc_is_operational(diag->ioc)) 5211 return BFA_STATUS_IOC_NON_OP; 5212 5213 if (diag->beacon.state) 5214 return BFA_STATUS_BEACON_ON; 5215 5216 if (diag->ledtest.lock) 5217 return BFA_STATUS_LEDTEST_OP; 5218 5219 /* Send msg to fw */ 5220 diag->ledtest.lock = BFA_TRUE; 5221 diag_ledtest_send(diag, ledtest); 5222 5223 return BFA_STATUS_OK; 5224 } 5225 5226 /* 5227 * Port beaconing command 5228 * 5229 * @param[in] *diag - diag data struct 5230 * @param[in] beacon - port beaconing 1:ON 0:OFF 5231 * @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF 5232 * @param[in] sec - beaconing duration in seconds 5233 * 5234 * @param[out] 5235 */ 5236 bfa_status_t 5237 bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon, 5238 bfa_boolean_t link_e2e_beacon, uint32_t sec) 5239 { 5240 bfa_trc(diag, beacon); 5241 bfa_trc(diag, link_e2e_beacon); 5242 bfa_trc(diag, sec); 5243 5244 if (!bfa_ioc_is_operational(diag->ioc)) 5245 return BFA_STATUS_IOC_NON_OP; 5246 5247 if (diag->ledtest.lock) 5248 return BFA_STATUS_LEDTEST_OP; 5249 5250 if (diag->beacon.state && beacon) /* beacon alread on */ 5251 return BFA_STATUS_BEACON_ON; 5252 5253 diag->beacon.state = beacon; 5254 diag->beacon.link_e2e = link_e2e_beacon; 5255 if (diag->cbfn_beacon) 5256 diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon); 5257 5258 /* Send msg to fw */ 5259 diag_portbeacon_send(diag, beacon, sec); 5260 5261 return BFA_STATUS_OK; 5262 } 5263 5264 /* 5265 * Return DMA memory needed by diag module. 5266 */ 5267 u32 5268 bfa_diag_meminfo(void) 5269 { 5270 return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5271 } 5272 5273 /* 5274 * Attach virtual and physical memory for Diag. 5275 */ 5276 void 5277 bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev, 5278 bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod) 5279 { 5280 diag->dev = dev; 5281 diag->ioc = ioc; 5282 diag->trcmod = trcmod; 5283 5284 diag->block = 0; 5285 diag->cbfn = NULL; 5286 diag->cbarg = NULL; 5287 diag->result = NULL; 5288 diag->cbfn_beacon = cbfn_beacon; 5289 5290 bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag); 5291 bfa_q_qe_init(&diag->ioc_notify); 5292 bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag); 5293 list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q); 5294 } 5295 5296 void 5297 bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa) 5298 { 5299 diag->fwping.dbuf_kva = dm_kva; 5300 diag->fwping.dbuf_pa = dm_pa; 5301 memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ); 5302 } 5303 5304 /* 5305 * PHY module specific 5306 */ 5307 #define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ 5308 #define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */ 5309 5310 static void 5311 bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz) 5312 { 5313 int i, m = sz >> 2; 5314 5315 for (i = 0; i < m; i++) 5316 obuf[i] = be32_to_cpu(ibuf[i]); 5317 } 5318 5319 static bfa_boolean_t 5320 bfa_phy_present(struct bfa_phy_s *phy) 5321 { 5322 return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING); 5323 } 5324 5325 static void 5326 bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event) 5327 { 5328 struct bfa_phy_s *phy = cbarg; 5329 5330 bfa_trc(phy, event); 5331 5332 switch (event) { 5333 case BFA_IOC_E_DISABLED: 5334 case BFA_IOC_E_FAILED: 5335 if (phy->op_busy) { 5336 phy->status = BFA_STATUS_IOC_FAILURE; 5337 phy->cbfn(phy->cbarg, phy->status); 5338 phy->op_busy = 0; 5339 } 5340 break; 5341 5342 default: 5343 break; 5344 } 5345 } 5346 5347 /* 5348 * Send phy attribute query request. 5349 * 5350 * @param[in] cbarg - callback argument 5351 */ 5352 static void 5353 bfa_phy_query_send(void *cbarg) 5354 { 5355 struct bfa_phy_s *phy = cbarg; 5356 struct bfi_phy_query_req_s *msg = 5357 (struct bfi_phy_query_req_s *) phy->mb.msg; 5358 5359 msg->instance = phy->instance; 5360 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ, 5361 bfa_ioc_portid(phy->ioc)); 5362 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa); 5363 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5364 } 5365 5366 /* 5367 * Send phy write request. 5368 * 5369 * @param[in] cbarg - callback argument 5370 */ 5371 static void 5372 bfa_phy_write_send(void *cbarg) 5373 { 5374 struct bfa_phy_s *phy = cbarg; 5375 struct bfi_phy_write_req_s *msg = 5376 (struct bfi_phy_write_req_s *) phy->mb.msg; 5377 u32 len; 5378 u16 *buf, *dbuf; 5379 int i, sz; 5380 5381 msg->instance = phy->instance; 5382 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5383 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5384 phy->residue : BFA_PHY_DMA_BUF_SZ; 5385 msg->length = cpu_to_be32(len); 5386 5387 /* indicate if it's the last msg of the whole write operation */ 5388 msg->last = (len == phy->residue) ? 1 : 0; 5389 5390 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ, 5391 bfa_ioc_portid(phy->ioc)); 5392 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5393 5394 buf = (u16 *) (phy->ubuf + phy->offset); 5395 dbuf = (u16 *)phy->dbuf_kva; 5396 sz = len >> 1; 5397 for (i = 0; i < sz; i++) 5398 buf[i] = cpu_to_be16(dbuf[i]); 5399 5400 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5401 5402 phy->residue -= len; 5403 phy->offset += len; 5404 } 5405 5406 /* 5407 * Send phy read request. 5408 * 5409 * @param[in] cbarg - callback argument 5410 */ 5411 static void 5412 bfa_phy_read_send(void *cbarg) 5413 { 5414 struct bfa_phy_s *phy = cbarg; 5415 struct bfi_phy_read_req_s *msg = 5416 (struct bfi_phy_read_req_s *) phy->mb.msg; 5417 u32 len; 5418 5419 msg->instance = phy->instance; 5420 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5421 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5422 phy->residue : BFA_PHY_DMA_BUF_SZ; 5423 msg->length = cpu_to_be32(len); 5424 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ, 5425 bfa_ioc_portid(phy->ioc)); 5426 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5427 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5428 } 5429 5430 /* 5431 * Send phy stats request. 5432 * 5433 * @param[in] cbarg - callback argument 5434 */ 5435 static void 5436 bfa_phy_stats_send(void *cbarg) 5437 { 5438 struct bfa_phy_s *phy = cbarg; 5439 struct bfi_phy_stats_req_s *msg = 5440 (struct bfi_phy_stats_req_s *) phy->mb.msg; 5441 5442 msg->instance = phy->instance; 5443 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ, 5444 bfa_ioc_portid(phy->ioc)); 5445 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa); 5446 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5447 } 5448 5449 /* 5450 * Flash memory info API. 5451 * 5452 * @param[in] mincfg - minimal cfg variable 5453 */ 5454 u32 5455 bfa_phy_meminfo(bfa_boolean_t mincfg) 5456 { 5457 /* min driver doesn't need phy */ 5458 if (mincfg) 5459 return 0; 5460 5461 return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5462 } 5463 5464 /* 5465 * Flash attach API. 5466 * 5467 * @param[in] phy - phy structure 5468 * @param[in] ioc - ioc structure 5469 * @param[in] dev - device structure 5470 * @param[in] trcmod - trace module 5471 * @param[in] logmod - log module 5472 */ 5473 void 5474 bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev, 5475 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 5476 { 5477 phy->ioc = ioc; 5478 phy->trcmod = trcmod; 5479 phy->cbfn = NULL; 5480 phy->cbarg = NULL; 5481 phy->op_busy = 0; 5482 5483 bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy); 5484 bfa_q_qe_init(&phy->ioc_notify); 5485 bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy); 5486 list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q); 5487 5488 /* min driver doesn't need phy */ 5489 if (mincfg) { 5490 phy->dbuf_kva = NULL; 5491 phy->dbuf_pa = 0; 5492 } 5493 } 5494 5495 /* 5496 * Claim memory for phy 5497 * 5498 * @param[in] phy - phy structure 5499 * @param[in] dm_kva - pointer to virtual memory address 5500 * @param[in] dm_pa - physical memory address 5501 * @param[in] mincfg - minimal cfg variable 5502 */ 5503 void 5504 bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa, 5505 bfa_boolean_t mincfg) 5506 { 5507 if (mincfg) 5508 return; 5509 5510 phy->dbuf_kva = dm_kva; 5511 phy->dbuf_pa = dm_pa; 5512 memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ); 5513 dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5514 dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5515 } 5516 5517 bfa_boolean_t 5518 bfa_phy_busy(struct bfa_ioc_s *ioc) 5519 { 5520 void __iomem *rb; 5521 5522 rb = bfa_ioc_bar0(ioc); 5523 return readl(rb + BFA_PHY_LOCK_STATUS); 5524 } 5525 5526 /* 5527 * Get phy attribute. 5528 * 5529 * @param[in] phy - phy structure 5530 * @param[in] attr - phy attribute structure 5531 * @param[in] cbfn - callback function 5532 * @param[in] cbarg - callback argument 5533 * 5534 * Return status. 5535 */ 5536 bfa_status_t 5537 bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance, 5538 struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg) 5539 { 5540 bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ); 5541 bfa_trc(phy, instance); 5542 5543 if (!bfa_phy_present(phy)) 5544 return BFA_STATUS_PHY_NOT_PRESENT; 5545 5546 if (!bfa_ioc_is_operational(phy->ioc)) 5547 return BFA_STATUS_IOC_NON_OP; 5548 5549 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5550 bfa_trc(phy, phy->op_busy); 5551 return BFA_STATUS_DEVBUSY; 5552 } 5553 5554 phy->op_busy = 1; 5555 phy->cbfn = cbfn; 5556 phy->cbarg = cbarg; 5557 phy->instance = instance; 5558 phy->ubuf = (uint8_t *) attr; 5559 bfa_phy_query_send(phy); 5560 5561 return BFA_STATUS_OK; 5562 } 5563 5564 /* 5565 * Get phy stats. 5566 * 5567 * @param[in] phy - phy structure 5568 * @param[in] instance - phy image instance 5569 * @param[in] stats - pointer to phy stats 5570 * @param[in] cbfn - callback function 5571 * @param[in] cbarg - callback argument 5572 * 5573 * Return status. 5574 */ 5575 bfa_status_t 5576 bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance, 5577 struct bfa_phy_stats_s *stats, 5578 bfa_cb_phy_t cbfn, void *cbarg) 5579 { 5580 bfa_trc(phy, BFI_PHY_H2I_STATS_REQ); 5581 bfa_trc(phy, instance); 5582 5583 if (!bfa_phy_present(phy)) 5584 return BFA_STATUS_PHY_NOT_PRESENT; 5585 5586 if (!bfa_ioc_is_operational(phy->ioc)) 5587 return BFA_STATUS_IOC_NON_OP; 5588 5589 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5590 bfa_trc(phy, phy->op_busy); 5591 return BFA_STATUS_DEVBUSY; 5592 } 5593 5594 phy->op_busy = 1; 5595 phy->cbfn = cbfn; 5596 phy->cbarg = cbarg; 5597 phy->instance = instance; 5598 phy->ubuf = (u8 *) stats; 5599 bfa_phy_stats_send(phy); 5600 5601 return BFA_STATUS_OK; 5602 } 5603 5604 /* 5605 * Update phy image. 5606 * 5607 * @param[in] phy - phy structure 5608 * @param[in] instance - phy image instance 5609 * @param[in] buf - update data buffer 5610 * @param[in] len - data buffer length 5611 * @param[in] offset - offset relative to starting address 5612 * @param[in] cbfn - callback function 5613 * @param[in] cbarg - callback argument 5614 * 5615 * Return status. 5616 */ 5617 bfa_status_t 5618 bfa_phy_update(struct bfa_phy_s *phy, u8 instance, 5619 void *buf, u32 len, u32 offset, 5620 bfa_cb_phy_t cbfn, void *cbarg) 5621 { 5622 bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ); 5623 bfa_trc(phy, instance); 5624 bfa_trc(phy, len); 5625 bfa_trc(phy, offset); 5626 5627 if (!bfa_phy_present(phy)) 5628 return BFA_STATUS_PHY_NOT_PRESENT; 5629 5630 if (!bfa_ioc_is_operational(phy->ioc)) 5631 return BFA_STATUS_IOC_NON_OP; 5632 5633 /* 'len' must be in word (4-byte) boundary */ 5634 if (!len || (len & 0x03)) 5635 return BFA_STATUS_FAILED; 5636 5637 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5638 bfa_trc(phy, phy->op_busy); 5639 return BFA_STATUS_DEVBUSY; 5640 } 5641 5642 phy->op_busy = 1; 5643 phy->cbfn = cbfn; 5644 phy->cbarg = cbarg; 5645 phy->instance = instance; 5646 phy->residue = len; 5647 phy->offset = 0; 5648 phy->addr_off = offset; 5649 phy->ubuf = buf; 5650 5651 bfa_phy_write_send(phy); 5652 return BFA_STATUS_OK; 5653 } 5654 5655 /* 5656 * Read phy image. 5657 * 5658 * @param[in] phy - phy structure 5659 * @param[in] instance - phy image instance 5660 * @param[in] buf - read data buffer 5661 * @param[in] len - data buffer length 5662 * @param[in] offset - offset relative to starting address 5663 * @param[in] cbfn - callback function 5664 * @param[in] cbarg - callback argument 5665 * 5666 * Return status. 5667 */ 5668 bfa_status_t 5669 bfa_phy_read(struct bfa_phy_s *phy, u8 instance, 5670 void *buf, u32 len, u32 offset, 5671 bfa_cb_phy_t cbfn, void *cbarg) 5672 { 5673 bfa_trc(phy, BFI_PHY_H2I_READ_REQ); 5674 bfa_trc(phy, instance); 5675 bfa_trc(phy, len); 5676 bfa_trc(phy, offset); 5677 5678 if (!bfa_phy_present(phy)) 5679 return BFA_STATUS_PHY_NOT_PRESENT; 5680 5681 if (!bfa_ioc_is_operational(phy->ioc)) 5682 return BFA_STATUS_IOC_NON_OP; 5683 5684 /* 'len' must be in word (4-byte) boundary */ 5685 if (!len || (len & 0x03)) 5686 return BFA_STATUS_FAILED; 5687 5688 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5689 bfa_trc(phy, phy->op_busy); 5690 return BFA_STATUS_DEVBUSY; 5691 } 5692 5693 phy->op_busy = 1; 5694 phy->cbfn = cbfn; 5695 phy->cbarg = cbarg; 5696 phy->instance = instance; 5697 phy->residue = len; 5698 phy->offset = 0; 5699 phy->addr_off = offset; 5700 phy->ubuf = buf; 5701 bfa_phy_read_send(phy); 5702 5703 return BFA_STATUS_OK; 5704 } 5705 5706 /* 5707 * Process phy response messages upon receiving interrupts. 5708 * 5709 * @param[in] phyarg - phy structure 5710 * @param[in] msg - message structure 5711 */ 5712 void 5713 bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg) 5714 { 5715 struct bfa_phy_s *phy = phyarg; 5716 u32 status; 5717 5718 union { 5719 struct bfi_phy_query_rsp_s *query; 5720 struct bfi_phy_stats_rsp_s *stats; 5721 struct bfi_phy_write_rsp_s *write; 5722 struct bfi_phy_read_rsp_s *read; 5723 struct bfi_mbmsg_s *msg; 5724 } m; 5725 5726 m.msg = msg; 5727 bfa_trc(phy, msg->mh.msg_id); 5728 5729 if (!phy->op_busy) { 5730 /* receiving response after ioc failure */ 5731 bfa_trc(phy, 0x9999); 5732 return; 5733 } 5734 5735 switch (msg->mh.msg_id) { 5736 case BFI_PHY_I2H_QUERY_RSP: 5737 status = be32_to_cpu(m.query->status); 5738 bfa_trc(phy, status); 5739 5740 if (status == BFA_STATUS_OK) { 5741 struct bfa_phy_attr_s *attr = 5742 (struct bfa_phy_attr_s *) phy->ubuf; 5743 bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva, 5744 sizeof(struct bfa_phy_attr_s)); 5745 bfa_trc(phy, attr->status); 5746 bfa_trc(phy, attr->length); 5747 } 5748 5749 phy->status = status; 5750 phy->op_busy = 0; 5751 if (phy->cbfn) 5752 phy->cbfn(phy->cbarg, phy->status); 5753 break; 5754 case BFI_PHY_I2H_STATS_RSP: 5755 status = be32_to_cpu(m.stats->status); 5756 bfa_trc(phy, status); 5757 5758 if (status == BFA_STATUS_OK) { 5759 struct bfa_phy_stats_s *stats = 5760 (struct bfa_phy_stats_s *) phy->ubuf; 5761 bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva, 5762 sizeof(struct bfa_phy_stats_s)); 5763 bfa_trc(phy, stats->status); 5764 } 5765 5766 phy->status = status; 5767 phy->op_busy = 0; 5768 if (phy->cbfn) 5769 phy->cbfn(phy->cbarg, phy->status); 5770 break; 5771 case BFI_PHY_I2H_WRITE_RSP: 5772 status = be32_to_cpu(m.write->status); 5773 bfa_trc(phy, status); 5774 5775 if (status != BFA_STATUS_OK || phy->residue == 0) { 5776 phy->status = status; 5777 phy->op_busy = 0; 5778 if (phy->cbfn) 5779 phy->cbfn(phy->cbarg, phy->status); 5780 } else { 5781 bfa_trc(phy, phy->offset); 5782 bfa_phy_write_send(phy); 5783 } 5784 break; 5785 case BFI_PHY_I2H_READ_RSP: 5786 status = be32_to_cpu(m.read->status); 5787 bfa_trc(phy, status); 5788 5789 if (status != BFA_STATUS_OK) { 5790 phy->status = status; 5791 phy->op_busy = 0; 5792 if (phy->cbfn) 5793 phy->cbfn(phy->cbarg, phy->status); 5794 } else { 5795 u32 len = be32_to_cpu(m.read->length); 5796 u16 *buf = (u16 *)(phy->ubuf + phy->offset); 5797 u16 *dbuf = (u16 *)phy->dbuf_kva; 5798 int i, sz = len >> 1; 5799 5800 bfa_trc(phy, phy->offset); 5801 bfa_trc(phy, len); 5802 5803 for (i = 0; i < sz; i++) 5804 buf[i] = be16_to_cpu(dbuf[i]); 5805 5806 phy->residue -= len; 5807 phy->offset += len; 5808 5809 if (phy->residue == 0) { 5810 phy->status = status; 5811 phy->op_busy = 0; 5812 if (phy->cbfn) 5813 phy->cbfn(phy->cbarg, phy->status); 5814 } else 5815 bfa_phy_read_send(phy); 5816 } 5817 break; 5818 default: 5819 WARN_ON(1); 5820 } 5821 } 5822 5823 /* 5824 * DCONF module specific 5825 */ 5826 5827 BFA_MODULE(dconf); 5828 5829 /* 5830 * DCONF state machine events 5831 */ 5832 enum bfa_dconf_event { 5833 BFA_DCONF_SM_INIT = 1, /* dconf Init */ 5834 BFA_DCONF_SM_FLASH_COMP = 2, /* read/write to flash */ 5835 BFA_DCONF_SM_WR = 3, /* binding change, map */ 5836 BFA_DCONF_SM_TIMEOUT = 4, /* Start timer */ 5837 BFA_DCONF_SM_EXIT = 5, /* exit dconf module */ 5838 BFA_DCONF_SM_IOCDISABLE = 6, /* IOC disable event */ 5839 }; 5840 5841 /* forward declaration of DCONF state machine */ 5842 static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, 5843 enum bfa_dconf_event event); 5844 static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5845 enum bfa_dconf_event event); 5846 static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, 5847 enum bfa_dconf_event event); 5848 static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, 5849 enum bfa_dconf_event event); 5850 static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, 5851 enum bfa_dconf_event event); 5852 static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 5853 enum bfa_dconf_event event); 5854 static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 5855 enum bfa_dconf_event event); 5856 5857 static void bfa_dconf_cbfn(void *dconf, bfa_status_t status); 5858 static void bfa_dconf_timer(void *cbarg); 5859 static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf); 5860 static void bfa_dconf_init_cb(void *arg, bfa_status_t status); 5861 5862 /* 5863 * Beginning state of dconf module. Waiting for an event to start. 5864 */ 5865 static void 5866 bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5867 { 5868 bfa_status_t bfa_status; 5869 bfa_trc(dconf->bfa, event); 5870 5871 switch (event) { 5872 case BFA_DCONF_SM_INIT: 5873 if (dconf->min_cfg) { 5874 bfa_trc(dconf->bfa, dconf->min_cfg); 5875 bfa_fsm_send_event(&dconf->bfa->iocfc, 5876 IOCFC_E_DCONF_DONE); 5877 return; 5878 } 5879 bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read); 5880 bfa_timer_start(dconf->bfa, &dconf->timer, 5881 bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV); 5882 bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa), 5883 BFA_FLASH_PART_DRV, dconf->instance, 5884 dconf->dconf, 5885 sizeof(struct bfa_dconf_s), 0, 5886 bfa_dconf_init_cb, dconf->bfa); 5887 if (bfa_status != BFA_STATUS_OK) { 5888 bfa_timer_stop(&dconf->timer); 5889 bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED); 5890 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5891 return; 5892 } 5893 break; 5894 case BFA_DCONF_SM_EXIT: 5895 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5896 case BFA_DCONF_SM_IOCDISABLE: 5897 case BFA_DCONF_SM_WR: 5898 case BFA_DCONF_SM_FLASH_COMP: 5899 break; 5900 default: 5901 bfa_sm_fault(dconf->bfa, event); 5902 } 5903 } 5904 5905 /* 5906 * Read flash for dconf entries and make a call back to the driver once done. 5907 */ 5908 static void 5909 bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5910 enum bfa_dconf_event event) 5911 { 5912 bfa_trc(dconf->bfa, event); 5913 5914 switch (event) { 5915 case BFA_DCONF_SM_FLASH_COMP: 5916 bfa_timer_stop(&dconf->timer); 5917 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5918 break; 5919 case BFA_DCONF_SM_TIMEOUT: 5920 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5921 bfa_ioc_suspend(&dconf->bfa->ioc); 5922 break; 5923 case BFA_DCONF_SM_EXIT: 5924 bfa_timer_stop(&dconf->timer); 5925 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5926 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5927 break; 5928 case BFA_DCONF_SM_IOCDISABLE: 5929 bfa_timer_stop(&dconf->timer); 5930 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5931 break; 5932 default: 5933 bfa_sm_fault(dconf->bfa, event); 5934 } 5935 } 5936 5937 /* 5938 * DCONF Module is in ready state. Has completed the initialization. 5939 */ 5940 static void 5941 bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5942 { 5943 bfa_trc(dconf->bfa, event); 5944 5945 switch (event) { 5946 case BFA_DCONF_SM_WR: 5947 bfa_timer_start(dconf->bfa, &dconf->timer, 5948 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5949 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 5950 break; 5951 case BFA_DCONF_SM_EXIT: 5952 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5953 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5954 break; 5955 case BFA_DCONF_SM_INIT: 5956 case BFA_DCONF_SM_IOCDISABLE: 5957 break; 5958 default: 5959 bfa_sm_fault(dconf->bfa, event); 5960 } 5961 } 5962 5963 /* 5964 * entries are dirty, write back to the flash. 5965 */ 5966 5967 static void 5968 bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5969 { 5970 bfa_trc(dconf->bfa, event); 5971 5972 switch (event) { 5973 case BFA_DCONF_SM_TIMEOUT: 5974 bfa_sm_set_state(dconf, bfa_dconf_sm_sync); 5975 bfa_dconf_flash_write(dconf); 5976 break; 5977 case BFA_DCONF_SM_WR: 5978 bfa_timer_stop(&dconf->timer); 5979 bfa_timer_start(dconf->bfa, &dconf->timer, 5980 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5981 break; 5982 case BFA_DCONF_SM_EXIT: 5983 bfa_timer_stop(&dconf->timer); 5984 bfa_timer_start(dconf->bfa, &dconf->timer, 5985 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5986 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 5987 bfa_dconf_flash_write(dconf); 5988 break; 5989 case BFA_DCONF_SM_FLASH_COMP: 5990 break; 5991 case BFA_DCONF_SM_IOCDISABLE: 5992 bfa_timer_stop(&dconf->timer); 5993 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 5994 break; 5995 default: 5996 bfa_sm_fault(dconf->bfa, event); 5997 } 5998 } 5999 6000 /* 6001 * Sync the dconf entries to the flash. 6002 */ 6003 static void 6004 bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 6005 enum bfa_dconf_event event) 6006 { 6007 bfa_trc(dconf->bfa, event); 6008 6009 switch (event) { 6010 case BFA_DCONF_SM_IOCDISABLE: 6011 case BFA_DCONF_SM_FLASH_COMP: 6012 bfa_timer_stop(&dconf->timer); 6013 case BFA_DCONF_SM_TIMEOUT: 6014 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 6015 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 6016 break; 6017 default: 6018 bfa_sm_fault(dconf->bfa, event); 6019 } 6020 } 6021 6022 static void 6023 bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 6024 { 6025 bfa_trc(dconf->bfa, event); 6026 6027 switch (event) { 6028 case BFA_DCONF_SM_FLASH_COMP: 6029 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 6030 break; 6031 case BFA_DCONF_SM_WR: 6032 bfa_timer_start(dconf->bfa, &dconf->timer, 6033 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6034 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 6035 break; 6036 case BFA_DCONF_SM_EXIT: 6037 bfa_timer_start(dconf->bfa, &dconf->timer, 6038 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6039 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 6040 break; 6041 case BFA_DCONF_SM_IOCDISABLE: 6042 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 6043 break; 6044 default: 6045 bfa_sm_fault(dconf->bfa, event); 6046 } 6047 } 6048 6049 static void 6050 bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 6051 enum bfa_dconf_event event) 6052 { 6053 bfa_trc(dconf->bfa, event); 6054 6055 switch (event) { 6056 case BFA_DCONF_SM_INIT: 6057 bfa_timer_start(dconf->bfa, &dconf->timer, 6058 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6059 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 6060 break; 6061 case BFA_DCONF_SM_EXIT: 6062 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 6063 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 6064 break; 6065 case BFA_DCONF_SM_IOCDISABLE: 6066 break; 6067 default: 6068 bfa_sm_fault(dconf->bfa, event); 6069 } 6070 } 6071 6072 /* 6073 * Compute and return memory needed by DRV_CFG module. 6074 */ 6075 static void 6076 bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, 6077 struct bfa_s *bfa) 6078 { 6079 struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa); 6080 6081 if (cfg->drvcfg.min_cfg) 6082 bfa_mem_kva_setup(meminfo, dconf_kva, 6083 sizeof(struct bfa_dconf_hdr_s)); 6084 else 6085 bfa_mem_kva_setup(meminfo, dconf_kva, 6086 sizeof(struct bfa_dconf_s)); 6087 } 6088 6089 static void 6090 bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, 6091 struct bfa_pcidev_s *pcidev) 6092 { 6093 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6094 6095 dconf->bfad = bfad; 6096 dconf->bfa = bfa; 6097 dconf->instance = bfa->ioc.port_id; 6098 bfa_trc(bfa, dconf->instance); 6099 6100 dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf); 6101 if (cfg->drvcfg.min_cfg) { 6102 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s); 6103 dconf->min_cfg = BFA_TRUE; 6104 } else { 6105 dconf->min_cfg = BFA_FALSE; 6106 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s); 6107 } 6108 6109 bfa_dconf_read_data_valid(bfa) = BFA_FALSE; 6110 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 6111 } 6112 6113 static void 6114 bfa_dconf_init_cb(void *arg, bfa_status_t status) 6115 { 6116 struct bfa_s *bfa = arg; 6117 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6118 6119 if (status == BFA_STATUS_OK) { 6120 bfa_dconf_read_data_valid(bfa) = BFA_TRUE; 6121 if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE) 6122 dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE; 6123 if (dconf->dconf->hdr.version != BFI_DCONF_VERSION) 6124 dconf->dconf->hdr.version = BFI_DCONF_VERSION; 6125 } 6126 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 6127 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE); 6128 } 6129 6130 void 6131 bfa_dconf_modinit(struct bfa_s *bfa) 6132 { 6133 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6134 bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT); 6135 } 6136 static void 6137 bfa_dconf_start(struct bfa_s *bfa) 6138 { 6139 } 6140 6141 static void 6142 bfa_dconf_stop(struct bfa_s *bfa) 6143 { 6144 } 6145 6146 static void bfa_dconf_timer(void *cbarg) 6147 { 6148 struct bfa_dconf_mod_s *dconf = cbarg; 6149 bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT); 6150 } 6151 static void 6152 bfa_dconf_iocdisable(struct bfa_s *bfa) 6153 { 6154 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6155 bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE); 6156 } 6157 6158 static void 6159 bfa_dconf_detach(struct bfa_s *bfa) 6160 { 6161 } 6162 6163 static bfa_status_t 6164 bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf) 6165 { 6166 bfa_status_t bfa_status; 6167 bfa_trc(dconf->bfa, 0); 6168 6169 bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa), 6170 BFA_FLASH_PART_DRV, dconf->instance, 6171 dconf->dconf, sizeof(struct bfa_dconf_s), 0, 6172 bfa_dconf_cbfn, dconf); 6173 if (bfa_status != BFA_STATUS_OK) 6174 WARN_ON(bfa_status); 6175 bfa_trc(dconf->bfa, bfa_status); 6176 6177 return bfa_status; 6178 } 6179 6180 bfa_status_t 6181 bfa_dconf_update(struct bfa_s *bfa) 6182 { 6183 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6184 bfa_trc(dconf->bfa, 0); 6185 if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty)) 6186 return BFA_STATUS_FAILED; 6187 6188 if (dconf->min_cfg) { 6189 bfa_trc(dconf->bfa, dconf->min_cfg); 6190 return BFA_STATUS_FAILED; 6191 } 6192 6193 bfa_sm_send_event(dconf, BFA_DCONF_SM_WR); 6194 return BFA_STATUS_OK; 6195 } 6196 6197 static void 6198 bfa_dconf_cbfn(void *arg, bfa_status_t status) 6199 { 6200 struct bfa_dconf_mod_s *dconf = arg; 6201 WARN_ON(status); 6202 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 6203 } 6204 6205 void 6206 bfa_dconf_modexit(struct bfa_s *bfa) 6207 { 6208 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6209 bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT); 6210 } 6211 6212 /* 6213 * FRU specific functions 6214 */ 6215 6216 #define BFA_FRU_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ 6217 #define BFA_FRU_CHINOOK_MAX_SIZE 0x10000 6218 #define BFA_FRU_LIGHTNING_MAX_SIZE 0x200 6219 6220 static void 6221 bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event) 6222 { 6223 struct bfa_fru_s *fru = cbarg; 6224 6225 bfa_trc(fru, event); 6226 6227 switch (event) { 6228 case BFA_IOC_E_DISABLED: 6229 case BFA_IOC_E_FAILED: 6230 if (fru->op_busy) { 6231 fru->status = BFA_STATUS_IOC_FAILURE; 6232 fru->cbfn(fru->cbarg, fru->status); 6233 fru->op_busy = 0; 6234 } 6235 break; 6236 6237 default: 6238 break; 6239 } 6240 } 6241 6242 /* 6243 * Send fru write request. 6244 * 6245 * @param[in] cbarg - callback argument 6246 */ 6247 static void 6248 bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) 6249 { 6250 struct bfa_fru_s *fru = cbarg; 6251 struct bfi_fru_write_req_s *msg = 6252 (struct bfi_fru_write_req_s *) fru->mb.msg; 6253 u32 len; 6254 6255 msg->offset = cpu_to_be32(fru->addr_off + fru->offset); 6256 len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? 6257 fru->residue : BFA_FRU_DMA_BUF_SZ; 6258 msg->length = cpu_to_be32(len); 6259 6260 /* 6261 * indicate if it's the last msg of the whole write operation 6262 */ 6263 msg->last = (len == fru->residue) ? 1 : 0; 6264 6265 msg->trfr_cmpl = (len == fru->residue) ? fru->trfr_cmpl : 0; 6266 bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); 6267 bfa_alen_set(&msg->alen, len, fru->dbuf_pa); 6268 6269 memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len); 6270 bfa_ioc_mbox_queue(fru->ioc, &fru->mb); 6271 6272 fru->residue -= len; 6273 fru->offset += len; 6274 } 6275 6276 /* 6277 * Send fru read request. 6278 * 6279 * @param[in] cbarg - callback argument 6280 */ 6281 static void 6282 bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) 6283 { 6284 struct bfa_fru_s *fru = cbarg; 6285 struct bfi_fru_read_req_s *msg = 6286 (struct bfi_fru_read_req_s *) fru->mb.msg; 6287 u32 len; 6288 6289 msg->offset = cpu_to_be32(fru->addr_off + fru->offset); 6290 len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? 6291 fru->residue : BFA_FRU_DMA_BUF_SZ; 6292 msg->length = cpu_to_be32(len); 6293 bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); 6294 bfa_alen_set(&msg->alen, len, fru->dbuf_pa); 6295 bfa_ioc_mbox_queue(fru->ioc, &fru->mb); 6296 } 6297 6298 /* 6299 * Flash memory info API. 6300 * 6301 * @param[in] mincfg - minimal cfg variable 6302 */ 6303 u32 6304 bfa_fru_meminfo(bfa_boolean_t mincfg) 6305 { 6306 /* min driver doesn't need fru */ 6307 if (mincfg) 6308 return 0; 6309 6310 return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6311 } 6312 6313 /* 6314 * Flash attach API. 6315 * 6316 * @param[in] fru - fru structure 6317 * @param[in] ioc - ioc structure 6318 * @param[in] dev - device structure 6319 * @param[in] trcmod - trace module 6320 * @param[in] logmod - log module 6321 */ 6322 void 6323 bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev, 6324 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 6325 { 6326 fru->ioc = ioc; 6327 fru->trcmod = trcmod; 6328 fru->cbfn = NULL; 6329 fru->cbarg = NULL; 6330 fru->op_busy = 0; 6331 6332 bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru); 6333 bfa_q_qe_init(&fru->ioc_notify); 6334 bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru); 6335 list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q); 6336 6337 /* min driver doesn't need fru */ 6338 if (mincfg) { 6339 fru->dbuf_kva = NULL; 6340 fru->dbuf_pa = 0; 6341 } 6342 } 6343 6344 /* 6345 * Claim memory for fru 6346 * 6347 * @param[in] fru - fru structure 6348 * @param[in] dm_kva - pointer to virtual memory address 6349 * @param[in] dm_pa - frusical memory address 6350 * @param[in] mincfg - minimal cfg variable 6351 */ 6352 void 6353 bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa, 6354 bfa_boolean_t mincfg) 6355 { 6356 if (mincfg) 6357 return; 6358 6359 fru->dbuf_kva = dm_kva; 6360 fru->dbuf_pa = dm_pa; 6361 memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ); 6362 dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6363 dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6364 } 6365 6366 /* 6367 * Update fru vpd image. 6368 * 6369 * @param[in] fru - fru structure 6370 * @param[in] buf - update data buffer 6371 * @param[in] len - data buffer length 6372 * @param[in] offset - offset relative to starting address 6373 * @param[in] cbfn - callback function 6374 * @param[in] cbarg - callback argument 6375 * 6376 * Return status. 6377 */ 6378 bfa_status_t 6379 bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6380 bfa_cb_fru_t cbfn, void *cbarg, u8 trfr_cmpl) 6381 { 6382 bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ); 6383 bfa_trc(fru, len); 6384 bfa_trc(fru, offset); 6385 6386 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2 && 6387 fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) 6388 return BFA_STATUS_FRU_NOT_PRESENT; 6389 6390 if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK) 6391 return BFA_STATUS_CMD_NOTSUPP; 6392 6393 if (!bfa_ioc_is_operational(fru->ioc)) 6394 return BFA_STATUS_IOC_NON_OP; 6395 6396 if (fru->op_busy) { 6397 bfa_trc(fru, fru->op_busy); 6398 return BFA_STATUS_DEVBUSY; 6399 } 6400 6401 fru->op_busy = 1; 6402 6403 fru->cbfn = cbfn; 6404 fru->cbarg = cbarg; 6405 fru->residue = len; 6406 fru->offset = 0; 6407 fru->addr_off = offset; 6408 fru->ubuf = buf; 6409 fru->trfr_cmpl = trfr_cmpl; 6410 6411 bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ); 6412 6413 return BFA_STATUS_OK; 6414 } 6415 6416 /* 6417 * Read fru vpd image. 6418 * 6419 * @param[in] fru - fru structure 6420 * @param[in] buf - read data buffer 6421 * @param[in] len - data buffer length 6422 * @param[in] offset - offset relative to starting address 6423 * @param[in] cbfn - callback function 6424 * @param[in] cbarg - callback argument 6425 * 6426 * Return status. 6427 */ 6428 bfa_status_t 6429 bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6430 bfa_cb_fru_t cbfn, void *cbarg) 6431 { 6432 bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ); 6433 bfa_trc(fru, len); 6434 bfa_trc(fru, offset); 6435 6436 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6437 return BFA_STATUS_FRU_NOT_PRESENT; 6438 6439 if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK && 6440 fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) 6441 return BFA_STATUS_CMD_NOTSUPP; 6442 6443 if (!bfa_ioc_is_operational(fru->ioc)) 6444 return BFA_STATUS_IOC_NON_OP; 6445 6446 if (fru->op_busy) { 6447 bfa_trc(fru, fru->op_busy); 6448 return BFA_STATUS_DEVBUSY; 6449 } 6450 6451 fru->op_busy = 1; 6452 6453 fru->cbfn = cbfn; 6454 fru->cbarg = cbarg; 6455 fru->residue = len; 6456 fru->offset = 0; 6457 fru->addr_off = offset; 6458 fru->ubuf = buf; 6459 bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ); 6460 6461 return BFA_STATUS_OK; 6462 } 6463 6464 /* 6465 * Get maximum size fru vpd image. 6466 * 6467 * @param[in] fru - fru structure 6468 * @param[out] size - maximum size of fru vpd data 6469 * 6470 * Return status. 6471 */ 6472 bfa_status_t 6473 bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size) 6474 { 6475 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6476 return BFA_STATUS_FRU_NOT_PRESENT; 6477 6478 if (!bfa_ioc_is_operational(fru->ioc)) 6479 return BFA_STATUS_IOC_NON_OP; 6480 6481 if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK || 6482 fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK2) 6483 *max_size = BFA_FRU_CHINOOK_MAX_SIZE; 6484 else 6485 return BFA_STATUS_CMD_NOTSUPP; 6486 return BFA_STATUS_OK; 6487 } 6488 /* 6489 * tfru write. 6490 * 6491 * @param[in] fru - fru structure 6492 * @param[in] buf - update data buffer 6493 * @param[in] len - data buffer length 6494 * @param[in] offset - offset relative to starting address 6495 * @param[in] cbfn - callback function 6496 * @param[in] cbarg - callback argument 6497 * 6498 * Return status. 6499 */ 6500 bfa_status_t 6501 bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6502 bfa_cb_fru_t cbfn, void *cbarg) 6503 { 6504 bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ); 6505 bfa_trc(fru, len); 6506 bfa_trc(fru, offset); 6507 bfa_trc(fru, *((u8 *) buf)); 6508 6509 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6510 return BFA_STATUS_FRU_NOT_PRESENT; 6511 6512 if (!bfa_ioc_is_operational(fru->ioc)) 6513 return BFA_STATUS_IOC_NON_OP; 6514 6515 if (fru->op_busy) { 6516 bfa_trc(fru, fru->op_busy); 6517 return BFA_STATUS_DEVBUSY; 6518 } 6519 6520 fru->op_busy = 1; 6521 6522 fru->cbfn = cbfn; 6523 fru->cbarg = cbarg; 6524 fru->residue = len; 6525 fru->offset = 0; 6526 fru->addr_off = offset; 6527 fru->ubuf = buf; 6528 6529 bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ); 6530 6531 return BFA_STATUS_OK; 6532 } 6533 6534 /* 6535 * tfru read. 6536 * 6537 * @param[in] fru - fru structure 6538 * @param[in] buf - read data buffer 6539 * @param[in] len - data buffer length 6540 * @param[in] offset - offset relative to starting address 6541 * @param[in] cbfn - callback function 6542 * @param[in] cbarg - callback argument 6543 * 6544 * Return status. 6545 */ 6546 bfa_status_t 6547 bfa_tfru_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6548 bfa_cb_fru_t cbfn, void *cbarg) 6549 { 6550 bfa_trc(fru, BFI_TFRU_H2I_READ_REQ); 6551 bfa_trc(fru, len); 6552 bfa_trc(fru, offset); 6553 6554 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6555 return BFA_STATUS_FRU_NOT_PRESENT; 6556 6557 if (!bfa_ioc_is_operational(fru->ioc)) 6558 return BFA_STATUS_IOC_NON_OP; 6559 6560 if (fru->op_busy) { 6561 bfa_trc(fru, fru->op_busy); 6562 return BFA_STATUS_DEVBUSY; 6563 } 6564 6565 fru->op_busy = 1; 6566 6567 fru->cbfn = cbfn; 6568 fru->cbarg = cbarg; 6569 fru->residue = len; 6570 fru->offset = 0; 6571 fru->addr_off = offset; 6572 fru->ubuf = buf; 6573 bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ); 6574 6575 return BFA_STATUS_OK; 6576 } 6577 6578 /* 6579 * Process fru response messages upon receiving interrupts. 6580 * 6581 * @param[in] fruarg - fru structure 6582 * @param[in] msg - message structure 6583 */ 6584 void 6585 bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg) 6586 { 6587 struct bfa_fru_s *fru = fruarg; 6588 struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg; 6589 u32 status; 6590 6591 bfa_trc(fru, msg->mh.msg_id); 6592 6593 if (!fru->op_busy) { 6594 /* 6595 * receiving response after ioc failure 6596 */ 6597 bfa_trc(fru, 0x9999); 6598 return; 6599 } 6600 6601 switch (msg->mh.msg_id) { 6602 case BFI_FRUVPD_I2H_WRITE_RSP: 6603 case BFI_TFRU_I2H_WRITE_RSP: 6604 status = be32_to_cpu(rsp->status); 6605 bfa_trc(fru, status); 6606 6607 if (status != BFA_STATUS_OK || fru->residue == 0) { 6608 fru->status = status; 6609 fru->op_busy = 0; 6610 if (fru->cbfn) 6611 fru->cbfn(fru->cbarg, fru->status); 6612 } else { 6613 bfa_trc(fru, fru->offset); 6614 if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP) 6615 bfa_fru_write_send(fru, 6616 BFI_FRUVPD_H2I_WRITE_REQ); 6617 else 6618 bfa_fru_write_send(fru, 6619 BFI_TFRU_H2I_WRITE_REQ); 6620 } 6621 break; 6622 case BFI_FRUVPD_I2H_READ_RSP: 6623 case BFI_TFRU_I2H_READ_RSP: 6624 status = be32_to_cpu(rsp->status); 6625 bfa_trc(fru, status); 6626 6627 if (status != BFA_STATUS_OK) { 6628 fru->status = status; 6629 fru->op_busy = 0; 6630 if (fru->cbfn) 6631 fru->cbfn(fru->cbarg, fru->status); 6632 } else { 6633 u32 len = be32_to_cpu(rsp->length); 6634 6635 bfa_trc(fru, fru->offset); 6636 bfa_trc(fru, len); 6637 6638 memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len); 6639 fru->residue -= len; 6640 fru->offset += len; 6641 6642 if (fru->residue == 0) { 6643 fru->status = status; 6644 fru->op_busy = 0; 6645 if (fru->cbfn) 6646 fru->cbfn(fru->cbarg, fru->status); 6647 } else { 6648 if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP) 6649 bfa_fru_read_send(fru, 6650 BFI_FRUVPD_H2I_READ_REQ); 6651 else 6652 bfa_fru_read_send(fru, 6653 BFI_TFRU_H2I_READ_REQ); 6654 } 6655 } 6656 break; 6657 default: 6658 WARN_ON(1); 6659 } 6660 } 6661 6662 /* 6663 * register definitions 6664 */ 6665 #define FLI_CMD_REG 0x0001d000 6666 #define FLI_RDDATA_REG 0x0001d010 6667 #define FLI_ADDR_REG 0x0001d004 6668 #define FLI_DEV_STATUS_REG 0x0001d014 6669 6670 #define BFA_FLASH_FIFO_SIZE 128 /* fifo size */ 6671 #define BFA_FLASH_CHECK_MAX 10000 /* max # of status check */ 6672 #define BFA_FLASH_BLOCKING_OP_MAX 1000000 /* max # of blocking op check */ 6673 #define BFA_FLASH_WIP_MASK 0x01 /* write in progress bit mask */ 6674 6675 enum bfa_flash_cmd { 6676 BFA_FLASH_FAST_READ = 0x0b, /* fast read */ 6677 BFA_FLASH_READ_STATUS = 0x05, /* read status */ 6678 }; 6679 6680 /** 6681 * @brief hardware error definition 6682 */ 6683 enum bfa_flash_err { 6684 BFA_FLASH_NOT_PRESENT = -1, /*!< flash not present */ 6685 BFA_FLASH_UNINIT = -2, /*!< flash not initialized */ 6686 BFA_FLASH_BAD = -3, /*!< flash bad */ 6687 BFA_FLASH_BUSY = -4, /*!< flash busy */ 6688 BFA_FLASH_ERR_CMD_ACT = -5, /*!< command active never cleared */ 6689 BFA_FLASH_ERR_FIFO_CNT = -6, /*!< fifo count never cleared */ 6690 BFA_FLASH_ERR_WIP = -7, /*!< write-in-progress never cleared */ 6691 BFA_FLASH_ERR_TIMEOUT = -8, /*!< fli timeout */ 6692 BFA_FLASH_ERR_LEN = -9, /*!< invalid length */ 6693 }; 6694 6695 /** 6696 * @brief flash command register data structure 6697 */ 6698 union bfa_flash_cmd_reg_u { 6699 struct { 6700 #ifdef __BIG_ENDIAN 6701 u32 act:1; 6702 u32 rsv:1; 6703 u32 write_cnt:9; 6704 u32 read_cnt:9; 6705 u32 addr_cnt:4; 6706 u32 cmd:8; 6707 #else 6708 u32 cmd:8; 6709 u32 addr_cnt:4; 6710 u32 read_cnt:9; 6711 u32 write_cnt:9; 6712 u32 rsv:1; 6713 u32 act:1; 6714 #endif 6715 } r; 6716 u32 i; 6717 }; 6718 6719 /** 6720 * @brief flash device status register data structure 6721 */ 6722 union bfa_flash_dev_status_reg_u { 6723 struct { 6724 #ifdef __BIG_ENDIAN 6725 u32 rsv:21; 6726 u32 fifo_cnt:6; 6727 u32 busy:1; 6728 u32 init_status:1; 6729 u32 present:1; 6730 u32 bad:1; 6731 u32 good:1; 6732 #else 6733 u32 good:1; 6734 u32 bad:1; 6735 u32 present:1; 6736 u32 init_status:1; 6737 u32 busy:1; 6738 u32 fifo_cnt:6; 6739 u32 rsv:21; 6740 #endif 6741 } r; 6742 u32 i; 6743 }; 6744 6745 /** 6746 * @brief flash address register data structure 6747 */ 6748 union bfa_flash_addr_reg_u { 6749 struct { 6750 #ifdef __BIG_ENDIAN 6751 u32 addr:24; 6752 u32 dummy:8; 6753 #else 6754 u32 dummy:8; 6755 u32 addr:24; 6756 #endif 6757 } r; 6758 u32 i; 6759 }; 6760 6761 /** 6762 * dg flash_raw_private Flash raw private functions 6763 */ 6764 static void 6765 bfa_flash_set_cmd(void __iomem *pci_bar, u8 wr_cnt, 6766 u8 rd_cnt, u8 ad_cnt, u8 op) 6767 { 6768 union bfa_flash_cmd_reg_u cmd; 6769 6770 cmd.i = 0; 6771 cmd.r.act = 1; 6772 cmd.r.write_cnt = wr_cnt; 6773 cmd.r.read_cnt = rd_cnt; 6774 cmd.r.addr_cnt = ad_cnt; 6775 cmd.r.cmd = op; 6776 writel(cmd.i, (pci_bar + FLI_CMD_REG)); 6777 } 6778 6779 static void 6780 bfa_flash_set_addr(void __iomem *pci_bar, u32 address) 6781 { 6782 union bfa_flash_addr_reg_u addr; 6783 6784 addr.r.addr = address & 0x00ffffff; 6785 addr.r.dummy = 0; 6786 writel(addr.i, (pci_bar + FLI_ADDR_REG)); 6787 } 6788 6789 static int 6790 bfa_flash_cmd_act_check(void __iomem *pci_bar) 6791 { 6792 union bfa_flash_cmd_reg_u cmd; 6793 6794 cmd.i = readl(pci_bar + FLI_CMD_REG); 6795 6796 if (cmd.r.act) 6797 return BFA_FLASH_ERR_CMD_ACT; 6798 6799 return 0; 6800 } 6801 6802 /** 6803 * @brief 6804 * Flush FLI data fifo. 6805 * 6806 * @param[in] pci_bar - pci bar address 6807 * @param[in] dev_status - device status 6808 * 6809 * Return 0 on success, negative error number on error. 6810 */ 6811 static u32 6812 bfa_flash_fifo_flush(void __iomem *pci_bar) 6813 { 6814 u32 i; 6815 u32 t; 6816 union bfa_flash_dev_status_reg_u dev_status; 6817 6818 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6819 6820 if (!dev_status.r.fifo_cnt) 6821 return 0; 6822 6823 /* fifo counter in terms of words */ 6824 for (i = 0; i < dev_status.r.fifo_cnt; i++) 6825 t = readl(pci_bar + FLI_RDDATA_REG); 6826 6827 /* 6828 * Check the device status. It may take some time. 6829 */ 6830 for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { 6831 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6832 if (!dev_status.r.fifo_cnt) 6833 break; 6834 } 6835 6836 if (dev_status.r.fifo_cnt) 6837 return BFA_FLASH_ERR_FIFO_CNT; 6838 6839 return 0; 6840 } 6841 6842 /** 6843 * @brief 6844 * Read flash status. 6845 * 6846 * @param[in] pci_bar - pci bar address 6847 * 6848 * Return 0 on success, negative error number on error. 6849 */ 6850 static u32 6851 bfa_flash_status_read(void __iomem *pci_bar) 6852 { 6853 union bfa_flash_dev_status_reg_u dev_status; 6854 int status; 6855 u32 ret_status; 6856 int i; 6857 6858 status = bfa_flash_fifo_flush(pci_bar); 6859 if (status < 0) 6860 return status; 6861 6862 bfa_flash_set_cmd(pci_bar, 0, 4, 0, BFA_FLASH_READ_STATUS); 6863 6864 for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { 6865 status = bfa_flash_cmd_act_check(pci_bar); 6866 if (!status) 6867 break; 6868 } 6869 6870 if (status) 6871 return status; 6872 6873 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6874 if (!dev_status.r.fifo_cnt) 6875 return BFA_FLASH_BUSY; 6876 6877 ret_status = readl(pci_bar + FLI_RDDATA_REG); 6878 ret_status >>= 24; 6879 6880 status = bfa_flash_fifo_flush(pci_bar); 6881 if (status < 0) 6882 return status; 6883 6884 return ret_status; 6885 } 6886 6887 /** 6888 * @brief 6889 * Start flash read operation. 6890 * 6891 * @param[in] pci_bar - pci bar address 6892 * @param[in] offset - flash address offset 6893 * @param[in] len - read data length 6894 * @param[in] buf - read data buffer 6895 * 6896 * Return 0 on success, negative error number on error. 6897 */ 6898 static u32 6899 bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len, 6900 char *buf) 6901 { 6902 int status; 6903 6904 /* 6905 * len must be mutiple of 4 and not exceeding fifo size 6906 */ 6907 if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0) 6908 return BFA_FLASH_ERR_LEN; 6909 6910 /* 6911 * check status 6912 */ 6913 status = bfa_flash_status_read(pci_bar); 6914 if (status == BFA_FLASH_BUSY) 6915 status = bfa_flash_status_read(pci_bar); 6916 6917 if (status < 0) 6918 return status; 6919 6920 /* 6921 * check if write-in-progress bit is cleared 6922 */ 6923 if (status & BFA_FLASH_WIP_MASK) 6924 return BFA_FLASH_ERR_WIP; 6925 6926 bfa_flash_set_addr(pci_bar, offset); 6927 6928 bfa_flash_set_cmd(pci_bar, 0, (u8)len, 4, BFA_FLASH_FAST_READ); 6929 6930 return 0; 6931 } 6932 6933 /** 6934 * @brief 6935 * Check flash read operation. 6936 * 6937 * @param[in] pci_bar - pci bar address 6938 * 6939 * Return flash device status, 1 if busy, 0 if not. 6940 */ 6941 static u32 6942 bfa_flash_read_check(void __iomem *pci_bar) 6943 { 6944 if (bfa_flash_cmd_act_check(pci_bar)) 6945 return 1; 6946 6947 return 0; 6948 } 6949 /** 6950 * @brief 6951 * End flash read operation. 6952 * 6953 * @param[in] pci_bar - pci bar address 6954 * @param[in] len - read data length 6955 * @param[in] buf - read data buffer 6956 * 6957 */ 6958 static void 6959 bfa_flash_read_end(void __iomem *pci_bar, u32 len, char *buf) 6960 { 6961 6962 u32 i; 6963 6964 /* 6965 * read data fifo up to 32 words 6966 */ 6967 for (i = 0; i < len; i += 4) { 6968 u32 w = readl(pci_bar + FLI_RDDATA_REG); 6969 *((u32 *) (buf + i)) = swab32(w); 6970 } 6971 6972 bfa_flash_fifo_flush(pci_bar); 6973 } 6974 6975 /** 6976 * @brief 6977 * Perform flash raw read. 6978 * 6979 * @param[in] pci_bar - pci bar address 6980 * @param[in] offset - flash partition address offset 6981 * @param[in] buf - read data buffer 6982 * @param[in] len - read data length 6983 * 6984 * Return status. 6985 */ 6986 6987 6988 #define FLASH_BLOCKING_OP_MAX 500 6989 #define FLASH_SEM_LOCK_REG 0x18820 6990 6991 static int 6992 bfa_raw_sem_get(void __iomem *bar) 6993 { 6994 int locked; 6995 6996 locked = readl((bar + FLASH_SEM_LOCK_REG)); 6997 return !locked; 6998 6999 } 7000 7001 bfa_status_t 7002 bfa_flash_sem_get(void __iomem *bar) 7003 { 7004 u32 n = FLASH_BLOCKING_OP_MAX; 7005 7006 while (!bfa_raw_sem_get(bar)) { 7007 if (--n <= 0) 7008 return BFA_STATUS_BADFLASH; 7009 udelay(10000); 7010 } 7011 return BFA_STATUS_OK; 7012 } 7013 7014 void 7015 bfa_flash_sem_put(void __iomem *bar) 7016 { 7017 writel(0, (bar + FLASH_SEM_LOCK_REG)); 7018 } 7019 7020 bfa_status_t 7021 bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf, 7022 u32 len) 7023 { 7024 u32 n; 7025 int status; 7026 u32 off, l, s, residue, fifo_sz; 7027 7028 residue = len; 7029 off = 0; 7030 fifo_sz = BFA_FLASH_FIFO_SIZE; 7031 status = bfa_flash_sem_get(pci_bar); 7032 if (status != BFA_STATUS_OK) 7033 return status; 7034 7035 while (residue) { 7036 s = offset + off; 7037 n = s / fifo_sz; 7038 l = (n + 1) * fifo_sz - s; 7039 if (l > residue) 7040 l = residue; 7041 7042 status = bfa_flash_read_start(pci_bar, offset + off, l, 7043 &buf[off]); 7044 if (status < 0) { 7045 bfa_flash_sem_put(pci_bar); 7046 return BFA_STATUS_FAILED; 7047 } 7048 7049 n = BFA_FLASH_BLOCKING_OP_MAX; 7050 while (bfa_flash_read_check(pci_bar)) { 7051 if (--n <= 0) { 7052 bfa_flash_sem_put(pci_bar); 7053 return BFA_STATUS_FAILED; 7054 } 7055 } 7056 7057 bfa_flash_read_end(pci_bar, l, &buf[off]); 7058 7059 residue -= l; 7060 off += l; 7061 } 7062 bfa_flash_sem_put(pci_bar); 7063 7064 return BFA_STATUS_OK; 7065 } 7066