1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 4 * Copyright (c) 2014- QLogic Corporation. 5 * All rights reserved 6 * www.qlogic.com 7 * 8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 9 */ 10 11 #include "bfad_drv.h" 12 #include "bfad_im.h" 13 #include "bfa_ioc.h" 14 #include "bfi_reg.h" 15 #include "bfa_defs.h" 16 #include "bfa_defs_svc.h" 17 #include "bfi.h" 18 19 BFA_TRC_FILE(CNA, IOC); 20 21 /* 22 * IOC local definitions 23 */ 24 #define BFA_IOC_TOV 3000 /* msecs */ 25 #define BFA_IOC_HWSEM_TOV 500 /* msecs */ 26 #define BFA_IOC_HB_TOV 500 /* msecs */ 27 #define BFA_IOC_TOV_RECOVER BFA_IOC_HB_TOV 28 #define BFA_IOC_POLL_TOV BFA_TIMER_FREQ 29 30 #define bfa_ioc_timer_start(__ioc) \ 31 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 32 bfa_ioc_timeout, (__ioc), BFA_IOC_TOV) 33 #define bfa_ioc_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 34 35 #define bfa_hb_timer_start(__ioc) \ 36 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->hb_timer, \ 37 bfa_ioc_hb_check, (__ioc), BFA_IOC_HB_TOV) 38 #define bfa_hb_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->hb_timer) 39 40 #define BFA_DBG_FWTRC_OFF(_fn) (BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn)) 41 42 #define bfa_ioc_state_disabled(__sm) \ 43 (((__sm) == BFI_IOC_UNINIT) || \ 44 ((__sm) == BFI_IOC_INITING) || \ 45 ((__sm) == BFI_IOC_HWINIT) || \ 46 ((__sm) == BFI_IOC_DISABLED) || \ 47 ((__sm) == BFI_IOC_FAIL) || \ 48 ((__sm) == BFI_IOC_CFG_DISABLED)) 49 50 /* 51 * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. 52 */ 53 54 #define bfa_ioc_firmware_lock(__ioc) \ 55 ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) 56 #define bfa_ioc_firmware_unlock(__ioc) \ 57 ((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc)) 58 #define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc)) 59 #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc)) 60 #define bfa_ioc_notify_fail(__ioc) \ 61 ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc)) 62 #define bfa_ioc_sync_start(__ioc) \ 63 ((__ioc)->ioc_hwif->ioc_sync_start(__ioc)) 64 #define bfa_ioc_sync_join(__ioc) \ 65 ((__ioc)->ioc_hwif->ioc_sync_join(__ioc)) 66 #define bfa_ioc_sync_leave(__ioc) \ 67 ((__ioc)->ioc_hwif->ioc_sync_leave(__ioc)) 68 #define bfa_ioc_sync_ack(__ioc) \ 69 ((__ioc)->ioc_hwif->ioc_sync_ack(__ioc)) 70 #define bfa_ioc_sync_complete(__ioc) \ 71 ((__ioc)->ioc_hwif->ioc_sync_complete(__ioc)) 72 #define bfa_ioc_set_cur_ioc_fwstate(__ioc, __fwstate) \ 73 ((__ioc)->ioc_hwif->ioc_set_fwstate(__ioc, __fwstate)) 74 #define bfa_ioc_get_cur_ioc_fwstate(__ioc) \ 75 ((__ioc)->ioc_hwif->ioc_get_fwstate(__ioc)) 76 #define bfa_ioc_set_alt_ioc_fwstate(__ioc, __fwstate) \ 77 ((__ioc)->ioc_hwif->ioc_set_alt_fwstate(__ioc, __fwstate)) 78 #define bfa_ioc_get_alt_ioc_fwstate(__ioc) \ 79 ((__ioc)->ioc_hwif->ioc_get_alt_fwstate(__ioc)) 80 81 #define bfa_ioc_mbox_cmd_pending(__ioc) \ 82 (!list_empty(&((__ioc)->mbox_mod.cmd_q)) || \ 83 readl((__ioc)->ioc_regs.hfn_mbox_cmd)) 84 85 bfa_boolean_t bfa_auto_recover = BFA_TRUE; 86 87 /* 88 * forward declarations 89 */ 90 static void bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc); 91 static void bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force); 92 static void bfa_ioc_timeout(void *ioc); 93 static void bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc); 94 static void bfa_ioc_send_enable(struct bfa_ioc_s *ioc); 95 static void bfa_ioc_send_disable(struct bfa_ioc_s *ioc); 96 static void bfa_ioc_send_getattr(struct bfa_ioc_s *ioc); 97 static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); 98 static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); 99 static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc); 100 static void bfa_ioc_recover(struct bfa_ioc_s *ioc); 101 static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc , 102 enum bfa_ioc_event_e event); 103 static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); 104 static void bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc); 105 static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc); 106 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); 107 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_fw_ver_patch_cmp( 108 struct bfi_ioc_image_hdr_s *base_fwhdr, 109 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp); 110 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_flash_fwver_cmp( 111 struct bfa_ioc_s *ioc, 112 struct bfi_ioc_image_hdr_s *base_fwhdr); 113 114 /* 115 * IOC state machine definitions/declarations 116 */ 117 bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event); 118 bfa_fsm_state_decl(bfa_ioc, reset, struct bfa_ioc_s, enum ioc_event); 119 bfa_fsm_state_decl(bfa_ioc, enabling, struct bfa_ioc_s, enum ioc_event); 120 bfa_fsm_state_decl(bfa_ioc, getattr, struct bfa_ioc_s, enum ioc_event); 121 bfa_fsm_state_decl(bfa_ioc, op, struct bfa_ioc_s, enum ioc_event); 122 bfa_fsm_state_decl(bfa_ioc, fail_retry, struct bfa_ioc_s, enum ioc_event); 123 bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event); 124 bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); 125 bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); 126 bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event); 127 128 struct bfa_ioc_sm_table { 129 bfa_ioc_sm_t sm; /* state machine function */ 130 enum bfa_ioc_state state; /* state machine encoding */ 131 char *name; /* state name for display */ 132 }; 133 134 static struct bfa_ioc_sm_table ioc_sm_table[] = { 135 {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, 136 {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, 137 {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, 138 {BFA_SM(bfa_ioc_sm_getattr), BFA_IOC_GETATTR}, 139 {BFA_SM(bfa_ioc_sm_op), BFA_IOC_OPERATIONAL}, 140 {BFA_SM(bfa_ioc_sm_fail_retry), BFA_IOC_INITFAIL}, 141 {BFA_SM(bfa_ioc_sm_fail), BFA_IOC_FAIL}, 142 {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, 143 {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, 144 {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL}, 145 }; 146 147 static inline enum bfa_ioc_state bfa_ioc_sm_to_state(struct bfa_ioc_sm_table * smt,bfa_ioc_sm_t sm)148 bfa_ioc_sm_to_state(struct bfa_ioc_sm_table *smt, bfa_ioc_sm_t sm) 149 { 150 int i = 0; 151 152 while (smt[i].sm && smt[i].sm != sm) 153 i++; 154 return smt[i].state; 155 } 156 157 /* 158 * IOCPF state machine definitions/declarations 159 */ 160 161 #define bfa_iocpf_timer_start(__ioc) \ 162 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 163 bfa_iocpf_timeout, (__ioc), BFA_IOC_TOV) 164 #define bfa_iocpf_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->ioc_timer) 165 166 #define bfa_iocpf_poll_timer_start(__ioc) \ 167 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer, \ 168 bfa_iocpf_poll_timeout, (__ioc), BFA_IOC_POLL_TOV) 169 170 #define bfa_sem_timer_start(__ioc) \ 171 bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->sem_timer, \ 172 bfa_iocpf_sem_timeout, (__ioc), BFA_IOC_HWSEM_TOV) 173 #define bfa_sem_timer_stop(__ioc) bfa_timer_stop(&(__ioc)->sem_timer) 174 175 /* 176 * Forward declareations for iocpf state machine 177 */ 178 static void bfa_iocpf_timeout(void *ioc_arg); 179 static void bfa_iocpf_sem_timeout(void *ioc_arg); 180 static void bfa_iocpf_poll_timeout(void *ioc_arg); 181 182 /* 183 * IOCPF states 184 */ 185 enum bfa_iocpf_state { 186 BFA_IOCPF_RESET = 1, /* IOC is in reset state */ 187 BFA_IOCPF_SEMWAIT = 2, /* Waiting for IOC h/w semaphore */ 188 BFA_IOCPF_HWINIT = 3, /* IOC h/w is being initialized */ 189 BFA_IOCPF_READY = 4, /* IOCPF is initialized */ 190 BFA_IOCPF_INITFAIL = 5, /* IOCPF failed */ 191 BFA_IOCPF_FAIL = 6, /* IOCPF failed */ 192 BFA_IOCPF_DISABLING = 7, /* IOCPF is being disabled */ 193 BFA_IOCPF_DISABLED = 8, /* IOCPF is disabled */ 194 BFA_IOCPF_FWMISMATCH = 9, /* IOC f/w different from drivers */ 195 }; 196 197 bfa_fsm_state_decl(bfa_iocpf, reset, struct bfa_iocpf_s, enum iocpf_event); 198 bfa_fsm_state_decl(bfa_iocpf, fwcheck, struct bfa_iocpf_s, enum iocpf_event); 199 bfa_fsm_state_decl(bfa_iocpf, mismatch, struct bfa_iocpf_s, enum iocpf_event); 200 bfa_fsm_state_decl(bfa_iocpf, semwait, struct bfa_iocpf_s, enum iocpf_event); 201 bfa_fsm_state_decl(bfa_iocpf, hwinit, struct bfa_iocpf_s, enum iocpf_event); 202 bfa_fsm_state_decl(bfa_iocpf, enabling, struct bfa_iocpf_s, enum iocpf_event); 203 bfa_fsm_state_decl(bfa_iocpf, ready, struct bfa_iocpf_s, enum iocpf_event); 204 bfa_fsm_state_decl(bfa_iocpf, initfail_sync, struct bfa_iocpf_s, 205 enum iocpf_event); 206 bfa_fsm_state_decl(bfa_iocpf, initfail, struct bfa_iocpf_s, enum iocpf_event); 207 bfa_fsm_state_decl(bfa_iocpf, fail_sync, struct bfa_iocpf_s, enum iocpf_event); 208 bfa_fsm_state_decl(bfa_iocpf, fail, struct bfa_iocpf_s, enum iocpf_event); 209 bfa_fsm_state_decl(bfa_iocpf, disabling, struct bfa_iocpf_s, enum iocpf_event); 210 bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s, 211 enum iocpf_event); 212 bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event); 213 214 struct bfa_iocpf_sm_table { 215 bfa_iocpf_sm_t sm; /* state machine function */ 216 enum bfa_iocpf_state state; /* state machine encoding */ 217 char *name; /* state name for display */ 218 }; 219 220 static inline enum bfa_iocpf_state bfa_iocpf_sm_to_state(struct bfa_iocpf_sm_table * smt,bfa_iocpf_sm_t sm)221 bfa_iocpf_sm_to_state(struct bfa_iocpf_sm_table *smt, bfa_iocpf_sm_t sm) 222 { 223 int i = 0; 224 225 while (smt[i].sm && smt[i].sm != sm) 226 i++; 227 return smt[i].state; 228 } 229 230 static struct bfa_iocpf_sm_table iocpf_sm_table[] = { 231 {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, 232 {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, 233 {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, 234 {BFA_SM(bfa_iocpf_sm_semwait), BFA_IOCPF_SEMWAIT}, 235 {BFA_SM(bfa_iocpf_sm_hwinit), BFA_IOCPF_HWINIT}, 236 {BFA_SM(bfa_iocpf_sm_enabling), BFA_IOCPF_HWINIT}, 237 {BFA_SM(bfa_iocpf_sm_ready), BFA_IOCPF_READY}, 238 {BFA_SM(bfa_iocpf_sm_initfail_sync), BFA_IOCPF_INITFAIL}, 239 {BFA_SM(bfa_iocpf_sm_initfail), BFA_IOCPF_INITFAIL}, 240 {BFA_SM(bfa_iocpf_sm_fail_sync), BFA_IOCPF_FAIL}, 241 {BFA_SM(bfa_iocpf_sm_fail), BFA_IOCPF_FAIL}, 242 {BFA_SM(bfa_iocpf_sm_disabling), BFA_IOCPF_DISABLING}, 243 {BFA_SM(bfa_iocpf_sm_disabling_sync), BFA_IOCPF_DISABLING}, 244 {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, 245 }; 246 247 /* 248 * IOC State Machine 249 */ 250 251 /* 252 * Beginning state. IOC uninit state. 253 */ 254 255 static void bfa_ioc_sm_uninit_entry(struct bfa_ioc_s * ioc)256 bfa_ioc_sm_uninit_entry(struct bfa_ioc_s *ioc) 257 { 258 } 259 260 /* 261 * IOC is in uninit state. 262 */ 263 static void bfa_ioc_sm_uninit(struct bfa_ioc_s * ioc,enum ioc_event event)264 bfa_ioc_sm_uninit(struct bfa_ioc_s *ioc, enum ioc_event event) 265 { 266 bfa_trc(ioc, event); 267 268 switch (event) { 269 case IOC_E_RESET: 270 bfa_fsm_set_state(ioc, bfa_ioc_sm_reset); 271 break; 272 273 default: 274 bfa_sm_fault(ioc, event); 275 } 276 } 277 /* 278 * Reset entry actions -- initialize state machine 279 */ 280 static void bfa_ioc_sm_reset_entry(struct bfa_ioc_s * ioc)281 bfa_ioc_sm_reset_entry(struct bfa_ioc_s *ioc) 282 { 283 bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); 284 } 285 286 /* 287 * IOC is in reset state. 288 */ 289 static void bfa_ioc_sm_reset(struct bfa_ioc_s * ioc,enum ioc_event event)290 bfa_ioc_sm_reset(struct bfa_ioc_s *ioc, enum ioc_event event) 291 { 292 bfa_trc(ioc, event); 293 294 switch (event) { 295 case IOC_E_ENABLE: 296 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 297 break; 298 299 case IOC_E_DISABLE: 300 bfa_ioc_disable_comp(ioc); 301 break; 302 303 case IOC_E_DETACH: 304 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 305 break; 306 307 default: 308 bfa_sm_fault(ioc, event); 309 } 310 } 311 312 313 static void bfa_ioc_sm_enabling_entry(struct bfa_ioc_s * ioc)314 bfa_ioc_sm_enabling_entry(struct bfa_ioc_s *ioc) 315 { 316 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_ENABLE); 317 } 318 319 /* 320 * Host IOC function is being enabled, awaiting response from firmware. 321 * Semaphore is acquired. 322 */ 323 static void bfa_ioc_sm_enabling(struct bfa_ioc_s * ioc,enum ioc_event event)324 bfa_ioc_sm_enabling(struct bfa_ioc_s *ioc, enum ioc_event event) 325 { 326 bfa_trc(ioc, event); 327 328 switch (event) { 329 case IOC_E_ENABLED: 330 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 331 break; 332 333 case IOC_E_PFFAILED: 334 /* !!! fall through !!! */ 335 case IOC_E_HWERROR: 336 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 337 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 338 if (event != IOC_E_PFFAILED) 339 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 340 break; 341 342 case IOC_E_HWFAILED: 343 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 344 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 345 break; 346 347 case IOC_E_DISABLE: 348 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 349 break; 350 351 case IOC_E_DETACH: 352 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 353 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 354 break; 355 356 case IOC_E_ENABLE: 357 break; 358 359 default: 360 bfa_sm_fault(ioc, event); 361 } 362 } 363 364 365 static void bfa_ioc_sm_getattr_entry(struct bfa_ioc_s * ioc)366 bfa_ioc_sm_getattr_entry(struct bfa_ioc_s *ioc) 367 { 368 bfa_ioc_timer_start(ioc); 369 bfa_ioc_send_getattr(ioc); 370 } 371 372 /* 373 * IOC configuration in progress. Timer is active. 374 */ 375 static void bfa_ioc_sm_getattr(struct bfa_ioc_s * ioc,enum ioc_event event)376 bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) 377 { 378 bfa_trc(ioc, event); 379 380 switch (event) { 381 case IOC_E_FWRSP_GETATTR: 382 bfa_ioc_timer_stop(ioc); 383 bfa_fsm_set_state(ioc, bfa_ioc_sm_op); 384 break; 385 386 case IOC_E_PFFAILED: 387 case IOC_E_HWERROR: 388 bfa_ioc_timer_stop(ioc); 389 fallthrough; 390 case IOC_E_TIMEOUT: 391 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 392 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 393 if (event != IOC_E_PFFAILED) 394 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); 395 break; 396 397 case IOC_E_DISABLE: 398 bfa_ioc_timer_stop(ioc); 399 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 400 break; 401 402 case IOC_E_ENABLE: 403 break; 404 405 default: 406 bfa_sm_fault(ioc, event); 407 } 408 } 409 410 static void bfa_ioc_sm_op_entry(struct bfa_ioc_s * ioc)411 bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) 412 { 413 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 414 415 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); 416 bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); 417 bfa_ioc_hb_monitor(ioc); 418 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n"); 419 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); 420 } 421 422 static void bfa_ioc_sm_op(struct bfa_ioc_s * ioc,enum ioc_event event)423 bfa_ioc_sm_op(struct bfa_ioc_s *ioc, enum ioc_event event) 424 { 425 bfa_trc(ioc, event); 426 427 switch (event) { 428 case IOC_E_ENABLE: 429 break; 430 431 case IOC_E_DISABLE: 432 bfa_hb_timer_stop(ioc); 433 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 434 break; 435 436 case IOC_E_PFFAILED: 437 case IOC_E_HWERROR: 438 bfa_hb_timer_stop(ioc); 439 fallthrough; 440 case IOC_E_HBFAIL: 441 if (ioc->iocpf.auto_recover) 442 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail_retry); 443 else 444 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 445 446 bfa_ioc_fail_notify(ioc); 447 448 if (event != IOC_E_PFFAILED) 449 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 450 break; 451 452 default: 453 bfa_sm_fault(ioc, event); 454 } 455 } 456 457 458 static void bfa_ioc_sm_disabling_entry(struct bfa_ioc_s * ioc)459 bfa_ioc_sm_disabling_entry(struct bfa_ioc_s *ioc) 460 { 461 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 462 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_DISABLE); 463 BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC disabled\n"); 464 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_DISABLE); 465 } 466 467 /* 468 * IOC is being disabled 469 */ 470 static void bfa_ioc_sm_disabling(struct bfa_ioc_s * ioc,enum ioc_event event)471 bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event) 472 { 473 bfa_trc(ioc, event); 474 475 switch (event) { 476 case IOC_E_DISABLED: 477 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled); 478 break; 479 480 case IOC_E_HWERROR: 481 /* 482 * No state change. Will move to disabled state 483 * after iocpf sm completes failure processing and 484 * moves to disabled state. 485 */ 486 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FAIL); 487 break; 488 489 case IOC_E_HWFAILED: 490 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 491 bfa_ioc_disable_comp(ioc); 492 break; 493 494 default: 495 bfa_sm_fault(ioc, event); 496 } 497 } 498 499 /* 500 * IOC disable completion entry. 501 */ 502 static void bfa_ioc_sm_disabled_entry(struct bfa_ioc_s * ioc)503 bfa_ioc_sm_disabled_entry(struct bfa_ioc_s *ioc) 504 { 505 bfa_ioc_disable_comp(ioc); 506 } 507 508 static void bfa_ioc_sm_disabled(struct bfa_ioc_s * ioc,enum ioc_event event)509 bfa_ioc_sm_disabled(struct bfa_ioc_s *ioc, enum ioc_event event) 510 { 511 bfa_trc(ioc, event); 512 513 switch (event) { 514 case IOC_E_ENABLE: 515 bfa_fsm_set_state(ioc, bfa_ioc_sm_enabling); 516 break; 517 518 case IOC_E_DISABLE: 519 ioc->cbfn->disable_cbfn(ioc->bfa); 520 break; 521 522 case IOC_E_DETACH: 523 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 524 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 525 break; 526 527 default: 528 bfa_sm_fault(ioc, event); 529 } 530 } 531 532 533 static void bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s * ioc)534 bfa_ioc_sm_fail_retry_entry(struct bfa_ioc_s *ioc) 535 { 536 bfa_trc(ioc, 0); 537 } 538 539 /* 540 * Hardware initialization retry. 541 */ 542 static void bfa_ioc_sm_fail_retry(struct bfa_ioc_s * ioc,enum ioc_event event)543 bfa_ioc_sm_fail_retry(struct bfa_ioc_s *ioc, enum ioc_event event) 544 { 545 bfa_trc(ioc, event); 546 547 switch (event) { 548 case IOC_E_ENABLED: 549 bfa_fsm_set_state(ioc, bfa_ioc_sm_getattr); 550 break; 551 552 case IOC_E_PFFAILED: 553 case IOC_E_HWERROR: 554 /* 555 * Initialization retry failed. 556 */ 557 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 558 bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); 559 if (event != IOC_E_PFFAILED) 560 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_INITFAIL); 561 break; 562 563 case IOC_E_HWFAILED: 564 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 565 bfa_fsm_set_state(ioc, bfa_ioc_sm_hwfail); 566 break; 567 568 case IOC_E_ENABLE: 569 break; 570 571 case IOC_E_DISABLE: 572 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 573 break; 574 575 case IOC_E_DETACH: 576 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 577 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 578 break; 579 580 default: 581 bfa_sm_fault(ioc, event); 582 } 583 } 584 585 586 static void bfa_ioc_sm_fail_entry(struct bfa_ioc_s * ioc)587 bfa_ioc_sm_fail_entry(struct bfa_ioc_s *ioc) 588 { 589 bfa_trc(ioc, 0); 590 } 591 592 /* 593 * IOC failure. 594 */ 595 static void bfa_ioc_sm_fail(struct bfa_ioc_s * ioc,enum ioc_event event)596 bfa_ioc_sm_fail(struct bfa_ioc_s *ioc, enum ioc_event event) 597 { 598 bfa_trc(ioc, event); 599 600 switch (event) { 601 602 case IOC_E_ENABLE: 603 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 604 break; 605 606 case IOC_E_DISABLE: 607 bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); 608 break; 609 610 case IOC_E_DETACH: 611 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 612 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_STOP); 613 break; 614 615 case IOC_E_HWERROR: 616 case IOC_E_HWFAILED: 617 /* 618 * HB failure / HW error notification, ignore. 619 */ 620 break; 621 default: 622 bfa_sm_fault(ioc, event); 623 } 624 } 625 626 static void bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s * ioc)627 bfa_ioc_sm_hwfail_entry(struct bfa_ioc_s *ioc) 628 { 629 bfa_trc(ioc, 0); 630 } 631 632 static void bfa_ioc_sm_hwfail(struct bfa_ioc_s * ioc,enum ioc_event event)633 bfa_ioc_sm_hwfail(struct bfa_ioc_s *ioc, enum ioc_event event) 634 { 635 bfa_trc(ioc, event); 636 637 switch (event) { 638 case IOC_E_ENABLE: 639 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 640 break; 641 642 case IOC_E_DISABLE: 643 ioc->cbfn->disable_cbfn(ioc->bfa); 644 break; 645 646 case IOC_E_DETACH: 647 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 648 break; 649 650 case IOC_E_HWERROR: 651 /* Ignore - already in hwfail state */ 652 break; 653 654 default: 655 bfa_sm_fault(ioc, event); 656 } 657 } 658 659 /* 660 * IOCPF State Machine 661 */ 662 663 /* 664 * Reset entry actions -- initialize state machine 665 */ 666 static void bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s * iocpf)667 bfa_iocpf_sm_reset_entry(struct bfa_iocpf_s *iocpf) 668 { 669 iocpf->fw_mismatch_notified = BFA_FALSE; 670 iocpf->auto_recover = bfa_auto_recover; 671 } 672 673 /* 674 * Beginning state. IOC is in reset state. 675 */ 676 static void bfa_iocpf_sm_reset(struct bfa_iocpf_s * iocpf,enum iocpf_event event)677 bfa_iocpf_sm_reset(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 678 { 679 struct bfa_ioc_s *ioc = iocpf->ioc; 680 681 bfa_trc(ioc, event); 682 683 switch (event) { 684 case IOCPF_E_ENABLE: 685 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 686 break; 687 688 case IOCPF_E_STOP: 689 break; 690 691 default: 692 bfa_sm_fault(ioc, event); 693 } 694 } 695 696 /* 697 * Semaphore should be acquired for version check. 698 */ 699 static void bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s * iocpf)700 bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) 701 { 702 struct bfi_ioc_image_hdr_s fwhdr; 703 u32 r32, fwstate, pgnum, loff = 0; 704 int i; 705 706 /* 707 * Spin on init semaphore to serialize. 708 */ 709 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 710 while (r32 & 0x1) { 711 udelay(20); 712 r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); 713 } 714 715 /* h/w sem init */ 716 fwstate = bfa_ioc_get_cur_ioc_fwstate(iocpf->ioc); 717 if (fwstate == BFI_IOC_UNINIT) { 718 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 719 goto sem_get; 720 } 721 722 bfa_ioc_fwver_get(iocpf->ioc, &fwhdr); 723 724 if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { 725 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 726 goto sem_get; 727 } 728 729 /* 730 * Clear fwver hdr 731 */ 732 pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff); 733 writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn); 734 735 for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) { 736 bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0); 737 loff += sizeof(u32); 738 } 739 740 bfa_trc(iocpf->ioc, fwstate); 741 bfa_trc(iocpf->ioc, swab32(fwhdr.exec)); 742 bfa_ioc_set_cur_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); 743 bfa_ioc_set_alt_ioc_fwstate(iocpf->ioc, BFI_IOC_UNINIT); 744 745 /* 746 * Unlock the hw semaphore. Should be here only once per boot. 747 */ 748 bfa_ioc_ownership_reset(iocpf->ioc); 749 750 /* 751 * unlock init semaphore. 752 */ 753 writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); 754 755 sem_get: 756 bfa_ioc_hw_sem_get(iocpf->ioc); 757 } 758 759 /* 760 * Awaiting h/w semaphore to continue with version check. 761 */ 762 static void bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s * iocpf,enum iocpf_event event)763 bfa_iocpf_sm_fwcheck(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 764 { 765 struct bfa_ioc_s *ioc = iocpf->ioc; 766 767 bfa_trc(ioc, event); 768 769 switch (event) { 770 case IOCPF_E_SEMLOCKED: 771 if (bfa_ioc_firmware_lock(ioc)) { 772 if (bfa_ioc_sync_start(ioc)) { 773 bfa_ioc_sync_join(ioc); 774 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 775 } else { 776 bfa_ioc_firmware_unlock(ioc); 777 writel(1, ioc->ioc_regs.ioc_sem_reg); 778 bfa_sem_timer_start(ioc); 779 } 780 } else { 781 writel(1, ioc->ioc_regs.ioc_sem_reg); 782 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_mismatch); 783 } 784 break; 785 786 case IOCPF_E_SEM_ERROR: 787 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 788 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 789 break; 790 791 case IOCPF_E_DISABLE: 792 bfa_sem_timer_stop(ioc); 793 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 794 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 795 break; 796 797 case IOCPF_E_STOP: 798 bfa_sem_timer_stop(ioc); 799 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 800 break; 801 802 default: 803 bfa_sm_fault(ioc, event); 804 } 805 } 806 807 /* 808 * Notify enable completion callback. 809 */ 810 static void bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s * iocpf)811 bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf_s *iocpf) 812 { 813 /* 814 * Call only the first time sm enters fwmismatch state. 815 */ 816 if (iocpf->fw_mismatch_notified == BFA_FALSE) 817 bfa_ioc_pf_fwmismatch(iocpf->ioc); 818 819 iocpf->fw_mismatch_notified = BFA_TRUE; 820 bfa_iocpf_timer_start(iocpf->ioc); 821 } 822 823 /* 824 * Awaiting firmware version match. 825 */ 826 static void bfa_iocpf_sm_mismatch(struct bfa_iocpf_s * iocpf,enum iocpf_event event)827 bfa_iocpf_sm_mismatch(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 828 { 829 struct bfa_ioc_s *ioc = iocpf->ioc; 830 831 bfa_trc(ioc, event); 832 833 switch (event) { 834 case IOCPF_E_TIMEOUT: 835 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fwcheck); 836 break; 837 838 case IOCPF_E_DISABLE: 839 bfa_iocpf_timer_stop(ioc); 840 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 841 bfa_fsm_send_event(ioc, IOC_E_DISABLED); 842 break; 843 844 case IOCPF_E_STOP: 845 bfa_iocpf_timer_stop(ioc); 846 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 847 break; 848 849 default: 850 bfa_sm_fault(ioc, event); 851 } 852 } 853 854 /* 855 * Request for semaphore. 856 */ 857 static void bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s * iocpf)858 bfa_iocpf_sm_semwait_entry(struct bfa_iocpf_s *iocpf) 859 { 860 bfa_ioc_hw_sem_get(iocpf->ioc); 861 } 862 863 /* 864 * Awaiting semaphore for h/w initialzation. 865 */ 866 static void bfa_iocpf_sm_semwait(struct bfa_iocpf_s * iocpf,enum iocpf_event event)867 bfa_iocpf_sm_semwait(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 868 { 869 struct bfa_ioc_s *ioc = iocpf->ioc; 870 871 bfa_trc(ioc, event); 872 873 switch (event) { 874 case IOCPF_E_SEMLOCKED: 875 if (bfa_ioc_sync_complete(ioc)) { 876 bfa_ioc_sync_join(ioc); 877 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 878 } else { 879 writel(1, ioc->ioc_regs.ioc_sem_reg); 880 bfa_sem_timer_start(ioc); 881 } 882 break; 883 884 case IOCPF_E_SEM_ERROR: 885 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 886 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 887 break; 888 889 case IOCPF_E_DISABLE: 890 bfa_sem_timer_stop(ioc); 891 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 892 break; 893 894 default: 895 bfa_sm_fault(ioc, event); 896 } 897 } 898 899 static void bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s * iocpf)900 bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf_s *iocpf) 901 { 902 iocpf->poll_time = 0; 903 bfa_ioc_hwinit(iocpf->ioc, BFA_FALSE); 904 } 905 906 /* 907 * Hardware is being initialized. Interrupts are enabled. 908 * Holding hardware semaphore lock. 909 */ 910 static void bfa_iocpf_sm_hwinit(struct bfa_iocpf_s * iocpf,enum iocpf_event event)911 bfa_iocpf_sm_hwinit(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 912 { 913 struct bfa_ioc_s *ioc = iocpf->ioc; 914 915 bfa_trc(ioc, event); 916 917 switch (event) { 918 case IOCPF_E_FWREADY: 919 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_enabling); 920 break; 921 922 case IOCPF_E_TIMEOUT: 923 writel(1, ioc->ioc_regs.ioc_sem_reg); 924 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 925 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 926 break; 927 928 case IOCPF_E_DISABLE: 929 bfa_iocpf_timer_stop(ioc); 930 bfa_ioc_sync_leave(ioc); 931 writel(1, ioc->ioc_regs.ioc_sem_reg); 932 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 933 break; 934 935 default: 936 bfa_sm_fault(ioc, event); 937 } 938 } 939 940 static void bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s * iocpf)941 bfa_iocpf_sm_enabling_entry(struct bfa_iocpf_s *iocpf) 942 { 943 bfa_iocpf_timer_start(iocpf->ioc); 944 /* 945 * Enable Interrupts before sending fw IOC ENABLE cmd. 946 */ 947 iocpf->ioc->cbfn->reset_cbfn(iocpf->ioc->bfa); 948 bfa_ioc_send_enable(iocpf->ioc); 949 } 950 951 /* 952 * Host IOC function is being enabled, awaiting response from firmware. 953 * Semaphore is acquired. 954 */ 955 static void bfa_iocpf_sm_enabling(struct bfa_iocpf_s * iocpf,enum iocpf_event event)956 bfa_iocpf_sm_enabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 957 { 958 struct bfa_ioc_s *ioc = iocpf->ioc; 959 960 bfa_trc(ioc, event); 961 962 switch (event) { 963 case IOCPF_E_FWRSP_ENABLE: 964 bfa_iocpf_timer_stop(ioc); 965 writel(1, ioc->ioc_regs.ioc_sem_reg); 966 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_ready); 967 break; 968 969 case IOCPF_E_INITFAIL: 970 bfa_iocpf_timer_stop(ioc); 971 fallthrough; 972 973 case IOCPF_E_TIMEOUT: 974 writel(1, ioc->ioc_regs.ioc_sem_reg); 975 if (event == IOCPF_E_TIMEOUT) 976 bfa_fsm_send_event(ioc, IOC_E_PFFAILED); 977 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 978 break; 979 980 case IOCPF_E_DISABLE: 981 bfa_iocpf_timer_stop(ioc); 982 writel(1, ioc->ioc_regs.ioc_sem_reg); 983 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 984 break; 985 986 default: 987 bfa_sm_fault(ioc, event); 988 } 989 } 990 991 static void bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s * iocpf)992 bfa_iocpf_sm_ready_entry(struct bfa_iocpf_s *iocpf) 993 { 994 bfa_fsm_send_event(iocpf->ioc, IOC_E_ENABLED); 995 } 996 997 static void bfa_iocpf_sm_ready(struct bfa_iocpf_s * iocpf,enum iocpf_event event)998 bfa_iocpf_sm_ready(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 999 { 1000 struct bfa_ioc_s *ioc = iocpf->ioc; 1001 1002 bfa_trc(ioc, event); 1003 1004 switch (event) { 1005 case IOCPF_E_DISABLE: 1006 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling); 1007 break; 1008 1009 case IOCPF_E_GETATTRFAIL: 1010 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail_sync); 1011 break; 1012 1013 case IOCPF_E_FAIL: 1014 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail_sync); 1015 break; 1016 1017 default: 1018 bfa_sm_fault(ioc, event); 1019 } 1020 } 1021 1022 static void bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s * iocpf)1023 bfa_iocpf_sm_disabling_entry(struct bfa_iocpf_s *iocpf) 1024 { 1025 bfa_iocpf_timer_start(iocpf->ioc); 1026 bfa_ioc_send_disable(iocpf->ioc); 1027 } 1028 1029 /* 1030 * IOC is being disabled 1031 */ 1032 static void bfa_iocpf_sm_disabling(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1033 bfa_iocpf_sm_disabling(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1034 { 1035 struct bfa_ioc_s *ioc = iocpf->ioc; 1036 1037 bfa_trc(ioc, event); 1038 1039 switch (event) { 1040 case IOCPF_E_FWRSP_DISABLE: 1041 bfa_iocpf_timer_stop(ioc); 1042 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1043 break; 1044 1045 case IOCPF_E_FAIL: 1046 bfa_iocpf_timer_stop(ioc); 1047 fallthrough; 1048 1049 case IOCPF_E_TIMEOUT: 1050 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1051 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1052 break; 1053 1054 case IOCPF_E_FWRSP_ENABLE: 1055 break; 1056 1057 default: 1058 bfa_sm_fault(ioc, event); 1059 } 1060 } 1061 1062 static void bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s * iocpf)1063 bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf_s *iocpf) 1064 { 1065 bfa_ioc_hw_sem_get(iocpf->ioc); 1066 } 1067 1068 /* 1069 * IOC hb ack request is being removed. 1070 */ 1071 static void bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1072 bfa_iocpf_sm_disabling_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1073 { 1074 struct bfa_ioc_s *ioc = iocpf->ioc; 1075 1076 bfa_trc(ioc, event); 1077 1078 switch (event) { 1079 case IOCPF_E_SEMLOCKED: 1080 bfa_ioc_sync_leave(ioc); 1081 writel(1, ioc->ioc_regs.ioc_sem_reg); 1082 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1083 break; 1084 1085 case IOCPF_E_SEM_ERROR: 1086 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1087 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1088 break; 1089 1090 case IOCPF_E_FAIL: 1091 break; 1092 1093 default: 1094 bfa_sm_fault(ioc, event); 1095 } 1096 } 1097 1098 /* 1099 * IOC disable completion entry. 1100 */ 1101 static void bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s * iocpf)1102 bfa_iocpf_sm_disabled_entry(struct bfa_iocpf_s *iocpf) 1103 { 1104 bfa_ioc_mbox_flush(iocpf->ioc); 1105 bfa_fsm_send_event(iocpf->ioc, IOC_E_DISABLED); 1106 } 1107 1108 static void bfa_iocpf_sm_disabled(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1109 bfa_iocpf_sm_disabled(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1110 { 1111 struct bfa_ioc_s *ioc = iocpf->ioc; 1112 1113 bfa_trc(ioc, event); 1114 1115 switch (event) { 1116 case IOCPF_E_ENABLE: 1117 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1118 break; 1119 1120 case IOCPF_E_STOP: 1121 bfa_ioc_firmware_unlock(ioc); 1122 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1123 break; 1124 1125 default: 1126 bfa_sm_fault(ioc, event); 1127 } 1128 } 1129 1130 static void bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s * iocpf)1131 bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf_s *iocpf) 1132 { 1133 bfa_ioc_debug_save_ftrc(iocpf->ioc); 1134 bfa_ioc_hw_sem_get(iocpf->ioc); 1135 } 1136 1137 /* 1138 * Hardware initialization failed. 1139 */ 1140 static void bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1141 bfa_iocpf_sm_initfail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1142 { 1143 struct bfa_ioc_s *ioc = iocpf->ioc; 1144 1145 bfa_trc(ioc, event); 1146 1147 switch (event) { 1148 case IOCPF_E_SEMLOCKED: 1149 bfa_ioc_notify_fail(ioc); 1150 bfa_ioc_sync_leave(ioc); 1151 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1152 writel(1, ioc->ioc_regs.ioc_sem_reg); 1153 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_initfail); 1154 break; 1155 1156 case IOCPF_E_SEM_ERROR: 1157 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1158 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1159 break; 1160 1161 case IOCPF_E_DISABLE: 1162 bfa_sem_timer_stop(ioc); 1163 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1164 break; 1165 1166 case IOCPF_E_STOP: 1167 bfa_sem_timer_stop(ioc); 1168 bfa_ioc_firmware_unlock(ioc); 1169 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1170 break; 1171 1172 case IOCPF_E_FAIL: 1173 break; 1174 1175 default: 1176 bfa_sm_fault(ioc, event); 1177 } 1178 } 1179 1180 static void bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s * iocpf)1181 bfa_iocpf_sm_initfail_entry(struct bfa_iocpf_s *iocpf) 1182 { 1183 bfa_trc(iocpf->ioc, 0); 1184 } 1185 1186 /* 1187 * Hardware initialization failed. 1188 */ 1189 static void bfa_iocpf_sm_initfail(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1190 bfa_iocpf_sm_initfail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1191 { 1192 struct bfa_ioc_s *ioc = iocpf->ioc; 1193 1194 bfa_trc(ioc, event); 1195 1196 switch (event) { 1197 case IOCPF_E_DISABLE: 1198 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1199 break; 1200 1201 case IOCPF_E_STOP: 1202 bfa_ioc_firmware_unlock(ioc); 1203 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_reset); 1204 break; 1205 1206 default: 1207 bfa_sm_fault(ioc, event); 1208 } 1209 } 1210 1211 static void bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s * iocpf)1212 bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf_s *iocpf) 1213 { 1214 /* 1215 * Mark IOC as failed in hardware and stop firmware. 1216 */ 1217 bfa_ioc_lpu_stop(iocpf->ioc); 1218 1219 /* 1220 * Flush any queued up mailbox requests. 1221 */ 1222 bfa_ioc_mbox_flush(iocpf->ioc); 1223 1224 bfa_ioc_hw_sem_get(iocpf->ioc); 1225 } 1226 1227 static void bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1228 bfa_iocpf_sm_fail_sync(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1229 { 1230 struct bfa_ioc_s *ioc = iocpf->ioc; 1231 1232 bfa_trc(ioc, event); 1233 1234 switch (event) { 1235 case IOCPF_E_SEMLOCKED: 1236 bfa_ioc_sync_ack(ioc); 1237 bfa_ioc_notify_fail(ioc); 1238 if (!iocpf->auto_recover) { 1239 bfa_ioc_sync_leave(ioc); 1240 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_FAIL); 1241 writel(1, ioc->ioc_regs.ioc_sem_reg); 1242 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1243 } else { 1244 if (bfa_ioc_sync_complete(ioc)) 1245 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit); 1246 else { 1247 writel(1, ioc->ioc_regs.ioc_sem_reg); 1248 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_semwait); 1249 } 1250 } 1251 break; 1252 1253 case IOCPF_E_SEM_ERROR: 1254 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_fail); 1255 bfa_fsm_send_event(ioc, IOC_E_HWFAILED); 1256 break; 1257 1258 case IOCPF_E_DISABLE: 1259 bfa_sem_timer_stop(ioc); 1260 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabling_sync); 1261 break; 1262 1263 case IOCPF_E_FAIL: 1264 break; 1265 1266 default: 1267 bfa_sm_fault(ioc, event); 1268 } 1269 } 1270 1271 static void bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s * iocpf)1272 bfa_iocpf_sm_fail_entry(struct bfa_iocpf_s *iocpf) 1273 { 1274 bfa_trc(iocpf->ioc, 0); 1275 } 1276 1277 /* 1278 * IOC is in failed state. 1279 */ 1280 static void bfa_iocpf_sm_fail(struct bfa_iocpf_s * iocpf,enum iocpf_event event)1281 bfa_iocpf_sm_fail(struct bfa_iocpf_s *iocpf, enum iocpf_event event) 1282 { 1283 struct bfa_ioc_s *ioc = iocpf->ioc; 1284 1285 bfa_trc(ioc, event); 1286 1287 switch (event) { 1288 case IOCPF_E_DISABLE: 1289 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_disabled); 1290 break; 1291 1292 default: 1293 bfa_sm_fault(ioc, event); 1294 } 1295 } 1296 1297 /* 1298 * BFA IOC private functions 1299 */ 1300 1301 /* 1302 * Notify common modules registered for notification. 1303 */ 1304 static void bfa_ioc_event_notify(struct bfa_ioc_s * ioc,enum bfa_ioc_event_e event)1305 bfa_ioc_event_notify(struct bfa_ioc_s *ioc, enum bfa_ioc_event_e event) 1306 { 1307 struct bfa_ioc_notify_s *notify; 1308 struct list_head *qe; 1309 1310 list_for_each(qe, &ioc->notify_q) { 1311 notify = (struct bfa_ioc_notify_s *)qe; 1312 notify->cbfn(notify->cbarg, event); 1313 } 1314 } 1315 1316 static void bfa_ioc_disable_comp(struct bfa_ioc_s * ioc)1317 bfa_ioc_disable_comp(struct bfa_ioc_s *ioc) 1318 { 1319 ioc->cbfn->disable_cbfn(ioc->bfa); 1320 bfa_ioc_event_notify(ioc, BFA_IOC_E_DISABLED); 1321 } 1322 1323 bfa_boolean_t bfa_ioc_sem_get(void __iomem * sem_reg)1324 bfa_ioc_sem_get(void __iomem *sem_reg) 1325 { 1326 u32 r32; 1327 int cnt = 0; 1328 #define BFA_SEM_SPINCNT 3000 1329 1330 r32 = readl(sem_reg); 1331 1332 while ((r32 & 1) && (cnt < BFA_SEM_SPINCNT)) { 1333 cnt++; 1334 udelay(2); 1335 r32 = readl(sem_reg); 1336 } 1337 1338 if (!(r32 & 1)) 1339 return BFA_TRUE; 1340 1341 return BFA_FALSE; 1342 } 1343 1344 static void bfa_ioc_hw_sem_get(struct bfa_ioc_s * ioc)1345 bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc) 1346 { 1347 u32 r32; 1348 1349 /* 1350 * First read to the semaphore register will return 0, subsequent reads 1351 * will return 1. Semaphore is released by writing 1 to the register 1352 */ 1353 r32 = readl(ioc->ioc_regs.ioc_sem_reg); 1354 if (r32 == ~0) { 1355 WARN_ON(r32 == ~0); 1356 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEM_ERROR); 1357 return; 1358 } 1359 if (!(r32 & 1)) { 1360 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_SEMLOCKED); 1361 return; 1362 } 1363 1364 bfa_sem_timer_start(ioc); 1365 } 1366 1367 /* 1368 * Initialize LPU local memory (aka secondary memory / SRAM) 1369 */ 1370 static void bfa_ioc_lmem_init(struct bfa_ioc_s * ioc)1371 bfa_ioc_lmem_init(struct bfa_ioc_s *ioc) 1372 { 1373 u32 pss_ctl; 1374 int i; 1375 #define PSS_LMEM_INIT_TIME 10000 1376 1377 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1378 pss_ctl &= ~__PSS_LMEM_RESET; 1379 pss_ctl |= __PSS_LMEM_INIT_EN; 1380 1381 /* 1382 * i2c workaround 12.5khz clock 1383 */ 1384 pss_ctl |= __PSS_I2C_CLK_DIV(3UL); 1385 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1386 1387 /* 1388 * wait for memory initialization to be complete 1389 */ 1390 i = 0; 1391 do { 1392 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1393 i++; 1394 } while (!(pss_ctl & __PSS_LMEM_INIT_DONE) && (i < PSS_LMEM_INIT_TIME)); 1395 1396 /* 1397 * If memory initialization is not successful, IOC timeout will catch 1398 * such failures. 1399 */ 1400 WARN_ON(!(pss_ctl & __PSS_LMEM_INIT_DONE)); 1401 bfa_trc(ioc, pss_ctl); 1402 1403 pss_ctl &= ~(__PSS_LMEM_INIT_DONE | __PSS_LMEM_INIT_EN); 1404 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1405 } 1406 1407 static void bfa_ioc_lpu_start(struct bfa_ioc_s * ioc)1408 bfa_ioc_lpu_start(struct bfa_ioc_s *ioc) 1409 { 1410 u32 pss_ctl; 1411 1412 /* 1413 * Take processor out of reset. 1414 */ 1415 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1416 pss_ctl &= ~__PSS_LPU0_RESET; 1417 1418 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1419 } 1420 1421 static void bfa_ioc_lpu_stop(struct bfa_ioc_s * ioc)1422 bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc) 1423 { 1424 u32 pss_ctl; 1425 1426 /* 1427 * Put processors in reset. 1428 */ 1429 pss_ctl = readl(ioc->ioc_regs.pss_ctl_reg); 1430 pss_ctl |= (__PSS_LPU0_RESET | __PSS_LPU1_RESET); 1431 1432 writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); 1433 } 1434 1435 /* 1436 * Get driver and firmware versions. 1437 */ 1438 void bfa_ioc_fwver_get(struct bfa_ioc_s * ioc,struct bfi_ioc_image_hdr_s * fwhdr)1439 bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr) 1440 { 1441 u32 pgnum; 1442 u32 loff = 0; 1443 int i; 1444 u32 *fwsig = (u32 *) fwhdr; 1445 1446 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1447 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1448 1449 for (i = 0; i < (sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32)); 1450 i++) { 1451 fwsig[i] = 1452 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 1453 loff += sizeof(u32); 1454 } 1455 } 1456 1457 /* 1458 * Returns TRUE if driver is willing to work with current smem f/w version. 1459 */ 1460 bfa_boolean_t bfa_ioc_fwver_cmp(struct bfa_ioc_s * ioc,struct bfi_ioc_image_hdr_s * smem_fwhdr)1461 bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, 1462 struct bfi_ioc_image_hdr_s *smem_fwhdr) 1463 { 1464 struct bfi_ioc_image_hdr_s *drv_fwhdr; 1465 enum bfi_ioc_img_ver_cmp_e smem_flash_cmp, drv_smem_cmp; 1466 1467 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 1468 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 1469 1470 /* 1471 * If smem is incompatible or old, driver should not work with it. 1472 */ 1473 drv_smem_cmp = bfa_ioc_fw_ver_patch_cmp(drv_fwhdr, smem_fwhdr); 1474 if (drv_smem_cmp == BFI_IOC_IMG_VER_INCOMP || 1475 drv_smem_cmp == BFI_IOC_IMG_VER_OLD) { 1476 return BFA_FALSE; 1477 } 1478 1479 /* 1480 * IF Flash has a better F/W than smem do not work with smem. 1481 * If smem f/w == flash f/w, as smem f/w not old | incmp, work with it. 1482 * If Flash is old or incomp work with smem iff smem f/w == drv f/w. 1483 */ 1484 smem_flash_cmp = bfa_ioc_flash_fwver_cmp(ioc, smem_fwhdr); 1485 1486 if (smem_flash_cmp == BFI_IOC_IMG_VER_BETTER) { 1487 return BFA_FALSE; 1488 } else if (smem_flash_cmp == BFI_IOC_IMG_VER_SAME) { 1489 return BFA_TRUE; 1490 } else { 1491 return (drv_smem_cmp == BFI_IOC_IMG_VER_SAME) ? 1492 BFA_TRUE : BFA_FALSE; 1493 } 1494 } 1495 1496 /* 1497 * Return true if current running version is valid. Firmware signature and 1498 * execution context (driver/bios) must match. 1499 */ 1500 static bfa_boolean_t bfa_ioc_fwver_valid(struct bfa_ioc_s * ioc,u32 boot_env)1501 bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc, u32 boot_env) 1502 { 1503 struct bfi_ioc_image_hdr_s fwhdr; 1504 1505 bfa_ioc_fwver_get(ioc, &fwhdr); 1506 1507 if (swab32(fwhdr.bootenv) != boot_env) { 1508 bfa_trc(ioc, fwhdr.bootenv); 1509 bfa_trc(ioc, boot_env); 1510 return BFA_FALSE; 1511 } 1512 1513 return bfa_ioc_fwver_cmp(ioc, &fwhdr); 1514 } 1515 1516 static bfa_boolean_t bfa_ioc_fwver_md5_check(struct bfi_ioc_image_hdr_s * fwhdr_1,struct bfi_ioc_image_hdr_s * fwhdr_2)1517 bfa_ioc_fwver_md5_check(struct bfi_ioc_image_hdr_s *fwhdr_1, 1518 struct bfi_ioc_image_hdr_s *fwhdr_2) 1519 { 1520 int i; 1521 1522 for (i = 0; i < BFI_IOC_MD5SUM_SZ; i++) 1523 if (fwhdr_1->md5sum[i] != fwhdr_2->md5sum[i]) 1524 return BFA_FALSE; 1525 1526 return BFA_TRUE; 1527 } 1528 1529 /* 1530 * Returns TRUE if major minor and maintainence are same. 1531 * If patch versions are same, check for MD5 Checksum to be same. 1532 */ 1533 static bfa_boolean_t bfa_ioc_fw_ver_compatible(struct bfi_ioc_image_hdr_s * drv_fwhdr,struct bfi_ioc_image_hdr_s * fwhdr_to_cmp)1534 bfa_ioc_fw_ver_compatible(struct bfi_ioc_image_hdr_s *drv_fwhdr, 1535 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) 1536 { 1537 if (drv_fwhdr->signature != fwhdr_to_cmp->signature) 1538 return BFA_FALSE; 1539 1540 if (drv_fwhdr->fwver.major != fwhdr_to_cmp->fwver.major) 1541 return BFA_FALSE; 1542 1543 if (drv_fwhdr->fwver.minor != fwhdr_to_cmp->fwver.minor) 1544 return BFA_FALSE; 1545 1546 if (drv_fwhdr->fwver.maint != fwhdr_to_cmp->fwver.maint) 1547 return BFA_FALSE; 1548 1549 if (drv_fwhdr->fwver.patch == fwhdr_to_cmp->fwver.patch && 1550 drv_fwhdr->fwver.phase == fwhdr_to_cmp->fwver.phase && 1551 drv_fwhdr->fwver.build == fwhdr_to_cmp->fwver.build) { 1552 return bfa_ioc_fwver_md5_check(drv_fwhdr, fwhdr_to_cmp); 1553 } 1554 1555 return BFA_TRUE; 1556 } 1557 1558 static bfa_boolean_t bfa_ioc_flash_fwver_valid(struct bfi_ioc_image_hdr_s * flash_fwhdr)1559 bfa_ioc_flash_fwver_valid(struct bfi_ioc_image_hdr_s *flash_fwhdr) 1560 { 1561 if (flash_fwhdr->fwver.major == 0 || flash_fwhdr->fwver.major == 0xFF) 1562 return BFA_FALSE; 1563 1564 return BFA_TRUE; 1565 } 1566 fwhdr_is_ga(struct bfi_ioc_image_hdr_s * fwhdr)1567 static bfa_boolean_t fwhdr_is_ga(struct bfi_ioc_image_hdr_s *fwhdr) 1568 { 1569 if (fwhdr->fwver.phase == 0 && 1570 fwhdr->fwver.build == 0) 1571 return BFA_TRUE; 1572 1573 return BFA_FALSE; 1574 } 1575 1576 /* 1577 * Returns TRUE if both are compatible and patch of fwhdr_to_cmp is better. 1578 */ 1579 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_fw_ver_patch_cmp(struct bfi_ioc_image_hdr_s * base_fwhdr,struct bfi_ioc_image_hdr_s * fwhdr_to_cmp)1580 bfa_ioc_fw_ver_patch_cmp(struct bfi_ioc_image_hdr_s *base_fwhdr, 1581 struct bfi_ioc_image_hdr_s *fwhdr_to_cmp) 1582 { 1583 if (bfa_ioc_fw_ver_compatible(base_fwhdr, fwhdr_to_cmp) == BFA_FALSE) 1584 return BFI_IOC_IMG_VER_INCOMP; 1585 1586 if (fwhdr_to_cmp->fwver.patch > base_fwhdr->fwver.patch) 1587 return BFI_IOC_IMG_VER_BETTER; 1588 1589 else if (fwhdr_to_cmp->fwver.patch < base_fwhdr->fwver.patch) 1590 return BFI_IOC_IMG_VER_OLD; 1591 1592 /* 1593 * GA takes priority over internal builds of the same patch stream. 1594 * At this point major minor maint and patch numbers are same. 1595 */ 1596 1597 if (fwhdr_is_ga(base_fwhdr) == BFA_TRUE) { 1598 if (fwhdr_is_ga(fwhdr_to_cmp)) 1599 return BFI_IOC_IMG_VER_SAME; 1600 else 1601 return BFI_IOC_IMG_VER_OLD; 1602 } else { 1603 if (fwhdr_is_ga(fwhdr_to_cmp)) 1604 return BFI_IOC_IMG_VER_BETTER; 1605 } 1606 1607 if (fwhdr_to_cmp->fwver.phase > base_fwhdr->fwver.phase) 1608 return BFI_IOC_IMG_VER_BETTER; 1609 else if (fwhdr_to_cmp->fwver.phase < base_fwhdr->fwver.phase) 1610 return BFI_IOC_IMG_VER_OLD; 1611 1612 if (fwhdr_to_cmp->fwver.build > base_fwhdr->fwver.build) 1613 return BFI_IOC_IMG_VER_BETTER; 1614 else if (fwhdr_to_cmp->fwver.build < base_fwhdr->fwver.build) 1615 return BFI_IOC_IMG_VER_OLD; 1616 1617 /* 1618 * All Version Numbers are equal. 1619 * Md5 check to be done as a part of compatibility check. 1620 */ 1621 return BFI_IOC_IMG_VER_SAME; 1622 } 1623 1624 #define BFA_FLASH_PART_FWIMG_ADDR 0x100000 /* fw image address */ 1625 1626 bfa_status_t bfa_ioc_flash_img_get_chnk(struct bfa_ioc_s * ioc,u32 off,u32 * fwimg)1627 bfa_ioc_flash_img_get_chnk(struct bfa_ioc_s *ioc, u32 off, 1628 u32 *fwimg) 1629 { 1630 return bfa_flash_raw_read(ioc->pcidev.pci_bar_kva, 1631 BFA_FLASH_PART_FWIMG_ADDR + (off * sizeof(u32)), 1632 (char *)fwimg, BFI_FLASH_CHUNK_SZ); 1633 } 1634 1635 static enum bfi_ioc_img_ver_cmp_e bfa_ioc_flash_fwver_cmp(struct bfa_ioc_s * ioc,struct bfi_ioc_image_hdr_s * base_fwhdr)1636 bfa_ioc_flash_fwver_cmp(struct bfa_ioc_s *ioc, 1637 struct bfi_ioc_image_hdr_s *base_fwhdr) 1638 { 1639 struct bfi_ioc_image_hdr_s *flash_fwhdr; 1640 bfa_status_t status; 1641 u32 fwimg[BFI_FLASH_CHUNK_SZ_WORDS]; 1642 1643 status = bfa_ioc_flash_img_get_chnk(ioc, 0, fwimg); 1644 if (status != BFA_STATUS_OK) 1645 return BFI_IOC_IMG_VER_INCOMP; 1646 1647 flash_fwhdr = (struct bfi_ioc_image_hdr_s *) fwimg; 1648 if (bfa_ioc_flash_fwver_valid(flash_fwhdr) == BFA_TRUE) 1649 return bfa_ioc_fw_ver_patch_cmp(base_fwhdr, flash_fwhdr); 1650 else 1651 return BFI_IOC_IMG_VER_INCOMP; 1652 } 1653 1654 1655 /* 1656 * Invalidate fwver signature 1657 */ 1658 bfa_status_t bfa_ioc_fwsig_invalidate(struct bfa_ioc_s * ioc)1659 bfa_ioc_fwsig_invalidate(struct bfa_ioc_s *ioc) 1660 { 1661 1662 u32 pgnum; 1663 u32 loff = 0; 1664 enum bfi_ioc_state ioc_fwstate; 1665 1666 ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 1667 if (!bfa_ioc_state_disabled(ioc_fwstate)) 1668 return BFA_STATUS_ADAPTER_ENABLED; 1669 1670 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1671 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1672 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, BFA_IOC_FW_INV_SIGN); 1673 1674 return BFA_STATUS_OK; 1675 } 1676 1677 /* 1678 * Conditionally flush any pending message from firmware at start. 1679 */ 1680 static void bfa_ioc_msgflush(struct bfa_ioc_s * ioc)1681 bfa_ioc_msgflush(struct bfa_ioc_s *ioc) 1682 { 1683 u32 r32; 1684 1685 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 1686 if (r32) 1687 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 1688 } 1689 1690 static void bfa_ioc_hwinit(struct bfa_ioc_s * ioc,bfa_boolean_t force)1691 bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force) 1692 { 1693 enum bfi_ioc_state ioc_fwstate; 1694 bfa_boolean_t fwvalid; 1695 u32 boot_type; 1696 u32 boot_env; 1697 1698 ioc_fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 1699 1700 if (force) 1701 ioc_fwstate = BFI_IOC_UNINIT; 1702 1703 bfa_trc(ioc, ioc_fwstate); 1704 1705 boot_type = BFI_FWBOOT_TYPE_NORMAL; 1706 boot_env = BFI_FWBOOT_ENV_OS; 1707 1708 /* 1709 * check if firmware is valid 1710 */ 1711 fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ? 1712 BFA_FALSE : bfa_ioc_fwver_valid(ioc, boot_env); 1713 1714 if (!fwvalid) { 1715 if (bfa_ioc_boot(ioc, boot_type, boot_env) == BFA_STATUS_OK) 1716 bfa_ioc_poll_fwinit(ioc); 1717 return; 1718 } 1719 1720 /* 1721 * If hardware initialization is in progress (initialized by other IOC), 1722 * just wait for an initialization completion interrupt. 1723 */ 1724 if (ioc_fwstate == BFI_IOC_INITING) { 1725 bfa_ioc_poll_fwinit(ioc); 1726 return; 1727 } 1728 1729 /* 1730 * If IOC function is disabled and firmware version is same, 1731 * just re-enable IOC. 1732 * 1733 * If option rom, IOC must not be in operational state. With 1734 * convergence, IOC will be in operational state when 2nd driver 1735 * is loaded. 1736 */ 1737 if (ioc_fwstate == BFI_IOC_DISABLED || ioc_fwstate == BFI_IOC_OP) { 1738 1739 /* 1740 * When using MSI-X any pending firmware ready event should 1741 * be flushed. Otherwise MSI-X interrupts are not delivered. 1742 */ 1743 bfa_ioc_msgflush(ioc); 1744 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 1745 return; 1746 } 1747 1748 /* 1749 * Initialize the h/w for any other states. 1750 */ 1751 if (bfa_ioc_boot(ioc, boot_type, boot_env) == BFA_STATUS_OK) 1752 bfa_ioc_poll_fwinit(ioc); 1753 } 1754 1755 static void bfa_ioc_timeout(void * ioc_arg)1756 bfa_ioc_timeout(void *ioc_arg) 1757 { 1758 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 1759 1760 bfa_trc(ioc, 0); 1761 bfa_fsm_send_event(ioc, IOC_E_TIMEOUT); 1762 } 1763 1764 void bfa_ioc_mbox_send(struct bfa_ioc_s * ioc,void * ioc_msg,int len)1765 bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len) 1766 { 1767 u32 *msgp = (u32 *) ioc_msg; 1768 u32 i; 1769 1770 bfa_trc(ioc, msgp[0]); 1771 bfa_trc(ioc, len); 1772 1773 WARN_ON(len > BFI_IOC_MSGLEN_MAX); 1774 1775 /* 1776 * first write msg to mailbox registers 1777 */ 1778 for (i = 0; i < len / sizeof(u32); i++) 1779 writel(cpu_to_le32(msgp[i]), 1780 ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1781 1782 for (; i < BFI_IOC_MSGLEN_MAX / sizeof(u32); i++) 1783 writel(0, ioc->ioc_regs.hfn_mbox + i * sizeof(u32)); 1784 1785 /* 1786 * write 1 to mailbox CMD to trigger LPU event 1787 */ 1788 writel(1, ioc->ioc_regs.hfn_mbox_cmd); 1789 (void) readl(ioc->ioc_regs.hfn_mbox_cmd); 1790 } 1791 1792 static void bfa_ioc_send_enable(struct bfa_ioc_s * ioc)1793 bfa_ioc_send_enable(struct bfa_ioc_s *ioc) 1794 { 1795 struct bfi_ioc_ctrl_req_s enable_req; 1796 1797 bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, 1798 bfa_ioc_portid(ioc)); 1799 enable_req.clscode = cpu_to_be16(ioc->clscode); 1800 /* unsigned 32-bit time_t overflow in y2106 */ 1801 enable_req.tv_sec = be32_to_cpu(ktime_get_real_seconds()); 1802 bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1803 } 1804 1805 static void bfa_ioc_send_disable(struct bfa_ioc_s * ioc)1806 bfa_ioc_send_disable(struct bfa_ioc_s *ioc) 1807 { 1808 struct bfi_ioc_ctrl_req_s disable_req; 1809 1810 bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, 1811 bfa_ioc_portid(ioc)); 1812 disable_req.clscode = cpu_to_be16(ioc->clscode); 1813 /* unsigned 32-bit time_t overflow in y2106 */ 1814 disable_req.tv_sec = be32_to_cpu(ktime_get_real_seconds()); 1815 bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req_s)); 1816 } 1817 1818 static void bfa_ioc_send_getattr(struct bfa_ioc_s * ioc)1819 bfa_ioc_send_getattr(struct bfa_ioc_s *ioc) 1820 { 1821 struct bfi_ioc_getattr_req_s attr_req; 1822 1823 bfi_h2i_set(attr_req.mh, BFI_MC_IOC, BFI_IOC_H2I_GETATTR_REQ, 1824 bfa_ioc_portid(ioc)); 1825 bfa_dma_be_addr_set(attr_req.attr_addr, ioc->attr_dma.pa); 1826 bfa_ioc_mbox_send(ioc, &attr_req, sizeof(attr_req)); 1827 } 1828 1829 static void bfa_ioc_hb_check(void * cbarg)1830 bfa_ioc_hb_check(void *cbarg) 1831 { 1832 struct bfa_ioc_s *ioc = cbarg; 1833 u32 hb_count; 1834 1835 hb_count = readl(ioc->ioc_regs.heartbeat); 1836 if (ioc->hb_count == hb_count) { 1837 bfa_ioc_recover(ioc); 1838 return; 1839 } else { 1840 ioc->hb_count = hb_count; 1841 } 1842 1843 bfa_ioc_mbox_poll(ioc); 1844 bfa_hb_timer_start(ioc); 1845 } 1846 1847 static void bfa_ioc_hb_monitor(struct bfa_ioc_s * ioc)1848 bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc) 1849 { 1850 ioc->hb_count = readl(ioc->ioc_regs.heartbeat); 1851 bfa_hb_timer_start(ioc); 1852 } 1853 1854 /* 1855 * Initiate a full firmware download. 1856 */ 1857 static bfa_status_t bfa_ioc_download_fw(struct bfa_ioc_s * ioc,u32 boot_type,u32 boot_env)1858 bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, 1859 u32 boot_env) 1860 { 1861 u32 *fwimg; 1862 u32 pgnum; 1863 u32 loff = 0; 1864 u32 chunkno = 0; 1865 u32 i; 1866 u32 asicmode; 1867 u32 fwimg_size; 1868 u32 fwimg_buf[BFI_FLASH_CHUNK_SZ_WORDS]; 1869 bfa_status_t status; 1870 1871 if (boot_env == BFI_FWBOOT_ENV_OS && 1872 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1873 fwimg_size = BFI_FLASH_IMAGE_SZ/sizeof(u32); 1874 1875 status = bfa_ioc_flash_img_get_chnk(ioc, 1876 BFA_IOC_FLASH_CHUNK_ADDR(chunkno), fwimg_buf); 1877 if (status != BFA_STATUS_OK) 1878 return status; 1879 1880 fwimg = fwimg_buf; 1881 } else { 1882 fwimg_size = bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc)); 1883 fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 1884 BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); 1885 } 1886 1887 bfa_trc(ioc, fwimg_size); 1888 1889 1890 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 1891 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1892 1893 for (i = 0; i < fwimg_size; i++) { 1894 1895 if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) { 1896 chunkno = BFA_IOC_FLASH_CHUNK_NO(i); 1897 1898 if (boot_env == BFI_FWBOOT_ENV_OS && 1899 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1900 status = bfa_ioc_flash_img_get_chnk(ioc, 1901 BFA_IOC_FLASH_CHUNK_ADDR(chunkno), 1902 fwimg_buf); 1903 if (status != BFA_STATUS_OK) 1904 return status; 1905 1906 fwimg = fwimg_buf; 1907 } else { 1908 fwimg = bfa_cb_image_get_chunk( 1909 bfa_ioc_asic_gen(ioc), 1910 BFA_IOC_FLASH_CHUNK_ADDR(chunkno)); 1911 } 1912 } 1913 1914 /* 1915 * write smem 1916 */ 1917 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 1918 fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]); 1919 1920 loff += sizeof(u32); 1921 1922 /* 1923 * handle page offset wrap around 1924 */ 1925 loff = PSS_SMEM_PGOFF(loff); 1926 if (loff == 0) { 1927 pgnum++; 1928 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 1929 } 1930 } 1931 1932 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 1933 ioc->ioc_regs.host_page_num_fn); 1934 1935 /* 1936 * Set boot type, env and device mode at the end. 1937 */ 1938 if (boot_env == BFI_FWBOOT_ENV_OS && 1939 boot_type == BFI_FWBOOT_TYPE_FLASH) { 1940 boot_type = BFI_FWBOOT_TYPE_NORMAL; 1941 } 1942 asicmode = BFI_FWBOOT_DEVMODE(ioc->asic_gen, ioc->asic_mode, 1943 ioc->port0_mode, ioc->port1_mode); 1944 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_DEVMODE_OFF, 1945 swab32(asicmode)); 1946 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_TYPE_OFF, 1947 swab32(boot_type)); 1948 bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_FWBOOT_ENV_OFF, 1949 swab32(boot_env)); 1950 return BFA_STATUS_OK; 1951 } 1952 1953 1954 /* 1955 * Update BFA configuration from firmware configuration. 1956 */ 1957 static void bfa_ioc_getattr_reply(struct bfa_ioc_s * ioc)1958 bfa_ioc_getattr_reply(struct bfa_ioc_s *ioc) 1959 { 1960 struct bfi_ioc_attr_s *attr = ioc->attr; 1961 1962 attr->adapter_prop = be32_to_cpu(attr->adapter_prop); 1963 attr->card_type = be32_to_cpu(attr->card_type); 1964 attr->maxfrsize = be16_to_cpu(attr->maxfrsize); 1965 ioc->fcmode = (attr->port_mode == BFI_PORT_MODE_FC); 1966 attr->mfg_year = be16_to_cpu(attr->mfg_year); 1967 1968 bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); 1969 } 1970 1971 /* 1972 * Attach time initialization of mbox logic. 1973 */ 1974 static void bfa_ioc_mbox_attach(struct bfa_ioc_s * ioc)1975 bfa_ioc_mbox_attach(struct bfa_ioc_s *ioc) 1976 { 1977 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1978 int mc; 1979 1980 INIT_LIST_HEAD(&mod->cmd_q); 1981 for (mc = 0; mc < BFI_MC_MAX; mc++) { 1982 mod->mbhdlr[mc].cbfn = NULL; 1983 mod->mbhdlr[mc].cbarg = ioc->bfa; 1984 } 1985 } 1986 1987 /* 1988 * Mbox poll timer -- restarts any pending mailbox requests. 1989 */ 1990 static void bfa_ioc_mbox_poll(struct bfa_ioc_s * ioc)1991 bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc) 1992 { 1993 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 1994 struct bfa_mbox_cmd_s *cmd; 1995 u32 stat; 1996 1997 /* 1998 * If no command pending, do nothing 1999 */ 2000 if (list_empty(&mod->cmd_q)) 2001 return; 2002 2003 /* 2004 * If previous command is not yet fetched by firmware, do nothing 2005 */ 2006 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 2007 if (stat) 2008 return; 2009 2010 /* 2011 * Enqueue command to firmware. 2012 */ 2013 bfa_q_deq(&mod->cmd_q, &cmd); 2014 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 2015 } 2016 2017 /* 2018 * Cleanup any pending requests. 2019 */ 2020 static void bfa_ioc_mbox_flush(struct bfa_ioc_s * ioc)2021 bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc) 2022 { 2023 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2024 struct bfa_mbox_cmd_s *cmd; 2025 2026 while (!list_empty(&mod->cmd_q)) 2027 bfa_q_deq(&mod->cmd_q, &cmd); 2028 } 2029 2030 /* 2031 * Read data from SMEM to host through PCI memmap 2032 * 2033 * @param[in] ioc memory for IOC 2034 * @param[in] tbuf app memory to store data from smem 2035 * @param[in] soff smem offset 2036 * @param[in] sz size of smem in bytes 2037 */ 2038 static bfa_status_t bfa_ioc_smem_read(struct bfa_ioc_s * ioc,void * tbuf,u32 soff,u32 sz)2039 bfa_ioc_smem_read(struct bfa_ioc_s *ioc, void *tbuf, u32 soff, u32 sz) 2040 { 2041 u32 pgnum, loff; 2042 __be32 r32; 2043 int i, len; 2044 u32 *buf = tbuf; 2045 2046 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 2047 loff = PSS_SMEM_PGOFF(soff); 2048 bfa_trc(ioc, pgnum); 2049 bfa_trc(ioc, loff); 2050 bfa_trc(ioc, sz); 2051 2052 /* 2053 * Hold semaphore to serialize pll init and fwtrc. 2054 */ 2055 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 2056 bfa_trc(ioc, 0); 2057 return BFA_STATUS_FAILED; 2058 } 2059 2060 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2061 2062 len = sz/sizeof(u32); 2063 bfa_trc(ioc, len); 2064 for (i = 0; i < len; i++) { 2065 r32 = bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 2066 buf[i] = swab32(r32); 2067 loff += sizeof(u32); 2068 2069 /* 2070 * handle page offset wrap around 2071 */ 2072 loff = PSS_SMEM_PGOFF(loff); 2073 if (loff == 0) { 2074 pgnum++; 2075 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2076 } 2077 } 2078 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 2079 ioc->ioc_regs.host_page_num_fn); 2080 /* 2081 * release semaphore. 2082 */ 2083 readl(ioc->ioc_regs.ioc_init_sem_reg); 2084 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2085 2086 bfa_trc(ioc, pgnum); 2087 return BFA_STATUS_OK; 2088 } 2089 2090 /* 2091 * Clear SMEM data from host through PCI memmap 2092 * 2093 * @param[in] ioc memory for IOC 2094 * @param[in] soff smem offset 2095 * @param[in] sz size of smem in bytes 2096 */ 2097 static bfa_status_t bfa_ioc_smem_clr(struct bfa_ioc_s * ioc,u32 soff,u32 sz)2098 bfa_ioc_smem_clr(struct bfa_ioc_s *ioc, u32 soff, u32 sz) 2099 { 2100 int i, len; 2101 u32 pgnum, loff; 2102 2103 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, soff); 2104 loff = PSS_SMEM_PGOFF(soff); 2105 bfa_trc(ioc, pgnum); 2106 bfa_trc(ioc, loff); 2107 bfa_trc(ioc, sz); 2108 2109 /* 2110 * Hold semaphore to serialize pll init and fwtrc. 2111 */ 2112 if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg)) { 2113 bfa_trc(ioc, 0); 2114 return BFA_STATUS_FAILED; 2115 } 2116 2117 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2118 2119 len = sz/sizeof(u32); /* len in words */ 2120 bfa_trc(ioc, len); 2121 for (i = 0; i < len; i++) { 2122 bfa_mem_write(ioc->ioc_regs.smem_page_start, loff, 0); 2123 loff += sizeof(u32); 2124 2125 /* 2126 * handle page offset wrap around 2127 */ 2128 loff = PSS_SMEM_PGOFF(loff); 2129 if (loff == 0) { 2130 pgnum++; 2131 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 2132 } 2133 } 2134 writel(PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, 0), 2135 ioc->ioc_regs.host_page_num_fn); 2136 2137 /* 2138 * release semaphore. 2139 */ 2140 readl(ioc->ioc_regs.ioc_init_sem_reg); 2141 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2142 bfa_trc(ioc, pgnum); 2143 return BFA_STATUS_OK; 2144 } 2145 2146 static void bfa_ioc_fail_notify(struct bfa_ioc_s * ioc)2147 bfa_ioc_fail_notify(struct bfa_ioc_s *ioc) 2148 { 2149 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2150 2151 /* 2152 * Notify driver and common modules registered for notification. 2153 */ 2154 ioc->cbfn->hbfail_cbfn(ioc->bfa); 2155 bfa_ioc_event_notify(ioc, BFA_IOC_E_FAILED); 2156 2157 bfa_ioc_debug_save_ftrc(ioc); 2158 2159 BFA_LOG(KERN_CRIT, bfad, bfa_log_level, 2160 "Heart Beat of IOC has failed\n"); 2161 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_HBFAIL); 2162 2163 } 2164 2165 static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s * ioc)2166 bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc) 2167 { 2168 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2169 /* 2170 * Provide enable completion callback. 2171 */ 2172 ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); 2173 BFA_LOG(KERN_WARNING, bfad, bfa_log_level, 2174 "Running firmware version is incompatible " 2175 "with the driver version\n"); 2176 bfa_ioc_aen_post(ioc, BFA_IOC_AEN_FWMISMATCH); 2177 } 2178 2179 bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s * ioc)2180 bfa_ioc_pll_init(struct bfa_ioc_s *ioc) 2181 { 2182 2183 /* 2184 * Hold semaphore so that nobody can access the chip during init. 2185 */ 2186 bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg); 2187 2188 bfa_ioc_pll_init_asic(ioc); 2189 2190 ioc->pllinit = BFA_TRUE; 2191 2192 /* 2193 * Initialize LMEM 2194 */ 2195 bfa_ioc_lmem_init(ioc); 2196 2197 /* 2198 * release semaphore. 2199 */ 2200 readl(ioc->ioc_regs.ioc_init_sem_reg); 2201 writel(1, ioc->ioc_regs.ioc_init_sem_reg); 2202 2203 return BFA_STATUS_OK; 2204 } 2205 2206 /* 2207 * Interface used by diag module to do firmware boot with memory test 2208 * as the entry vector. 2209 */ 2210 bfa_status_t bfa_ioc_boot(struct bfa_ioc_s * ioc,u32 boot_type,u32 boot_env)2211 bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_env) 2212 { 2213 struct bfi_ioc_image_hdr_s *drv_fwhdr; 2214 bfa_status_t status; 2215 bfa_ioc_stats(ioc, ioc_boots); 2216 2217 if (bfa_ioc_pll_init(ioc) != BFA_STATUS_OK) 2218 return BFA_STATUS_FAILED; 2219 2220 if (boot_env == BFI_FWBOOT_ENV_OS && 2221 boot_type == BFI_FWBOOT_TYPE_NORMAL) { 2222 2223 drv_fwhdr = (struct bfi_ioc_image_hdr_s *) 2224 bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), 0); 2225 2226 /* 2227 * Work with Flash iff flash f/w is better than driver f/w. 2228 * Otherwise push drivers firmware. 2229 */ 2230 if (bfa_ioc_flash_fwver_cmp(ioc, drv_fwhdr) == 2231 BFI_IOC_IMG_VER_BETTER) 2232 boot_type = BFI_FWBOOT_TYPE_FLASH; 2233 } 2234 2235 /* 2236 * Initialize IOC state of all functions on a chip reset. 2237 */ 2238 if (boot_type == BFI_FWBOOT_TYPE_MEMTEST) { 2239 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_MEMTEST); 2240 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_MEMTEST); 2241 } else { 2242 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_INITING); 2243 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_INITING); 2244 } 2245 2246 bfa_ioc_msgflush(ioc); 2247 status = bfa_ioc_download_fw(ioc, boot_type, boot_env); 2248 if (status == BFA_STATUS_OK) 2249 bfa_ioc_lpu_start(ioc); 2250 else { 2251 WARN_ON(boot_type == BFI_FWBOOT_TYPE_MEMTEST); 2252 bfa_iocpf_timeout(ioc); 2253 } 2254 return status; 2255 } 2256 2257 /* 2258 * Enable/disable IOC failure auto recovery. 2259 */ 2260 void bfa_ioc_auto_recover(bfa_boolean_t auto_recover)2261 bfa_ioc_auto_recover(bfa_boolean_t auto_recover) 2262 { 2263 bfa_auto_recover = auto_recover; 2264 } 2265 2266 2267 2268 bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s * ioc)2269 bfa_ioc_is_operational(struct bfa_ioc_s *ioc) 2270 { 2271 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); 2272 } 2273 2274 bfa_boolean_t bfa_ioc_is_initialized(struct bfa_ioc_s * ioc)2275 bfa_ioc_is_initialized(struct bfa_ioc_s *ioc) 2276 { 2277 u32 r32 = bfa_ioc_get_cur_ioc_fwstate(ioc); 2278 2279 return ((r32 != BFI_IOC_UNINIT) && 2280 (r32 != BFI_IOC_INITING) && 2281 (r32 != BFI_IOC_MEMTEST)); 2282 } 2283 2284 bfa_boolean_t bfa_ioc_msgget(struct bfa_ioc_s * ioc,void * mbmsg)2285 bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg) 2286 { 2287 __be32 *msgp = mbmsg; 2288 u32 r32; 2289 int i; 2290 2291 r32 = readl(ioc->ioc_regs.lpu_mbox_cmd); 2292 if ((r32 & 1) == 0) 2293 return BFA_FALSE; 2294 2295 /* 2296 * read the MBOX msg 2297 */ 2298 for (i = 0; i < (sizeof(union bfi_ioc_i2h_msg_u) / sizeof(u32)); 2299 i++) { 2300 r32 = readl(ioc->ioc_regs.lpu_mbox + 2301 i * sizeof(u32)); 2302 msgp[i] = cpu_to_be32(r32); 2303 } 2304 2305 /* 2306 * turn off mailbox interrupt by clearing mailbox status 2307 */ 2308 writel(1, ioc->ioc_regs.lpu_mbox_cmd); 2309 readl(ioc->ioc_regs.lpu_mbox_cmd); 2310 2311 return BFA_TRUE; 2312 } 2313 2314 void bfa_ioc_isr(struct bfa_ioc_s * ioc,struct bfi_mbmsg_s * m)2315 bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) 2316 { 2317 union bfi_ioc_i2h_msg_u *msg; 2318 struct bfa_iocpf_s *iocpf = &ioc->iocpf; 2319 2320 msg = (union bfi_ioc_i2h_msg_u *) m; 2321 2322 bfa_ioc_stats(ioc, ioc_isrs); 2323 2324 switch (msg->mh.msg_id) { 2325 case BFI_IOC_I2H_HBEAT: 2326 break; 2327 2328 case BFI_IOC_I2H_ENABLE_REPLY: 2329 ioc->port_mode = ioc->port_mode_cfg = 2330 (enum bfa_mode_s)msg->fw_event.port_mode; 2331 ioc->ad_cap_bm = msg->fw_event.cap_bm; 2332 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); 2333 break; 2334 2335 case BFI_IOC_I2H_DISABLE_REPLY: 2336 bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_DISABLE); 2337 break; 2338 2339 case BFI_IOC_I2H_GETATTR_REPLY: 2340 bfa_ioc_getattr_reply(ioc); 2341 break; 2342 2343 default: 2344 bfa_trc(ioc, msg->mh.msg_id); 2345 WARN_ON(1); 2346 } 2347 } 2348 2349 /* 2350 * IOC attach time initialization and setup. 2351 * 2352 * @param[in] ioc memory for IOC 2353 * @param[in] bfa driver instance structure 2354 */ 2355 void bfa_ioc_attach(struct bfa_ioc_s * ioc,void * bfa,struct bfa_ioc_cbfn_s * cbfn,struct bfa_timer_mod_s * timer_mod)2356 bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa, struct bfa_ioc_cbfn_s *cbfn, 2357 struct bfa_timer_mod_s *timer_mod) 2358 { 2359 ioc->bfa = bfa; 2360 ioc->cbfn = cbfn; 2361 ioc->timer_mod = timer_mod; 2362 ioc->fcmode = BFA_FALSE; 2363 ioc->pllinit = BFA_FALSE; 2364 ioc->dbg_fwsave_once = BFA_TRUE; 2365 ioc->iocpf.ioc = ioc; 2366 2367 bfa_ioc_mbox_attach(ioc); 2368 INIT_LIST_HEAD(&ioc->notify_q); 2369 2370 bfa_fsm_set_state(ioc, bfa_ioc_sm_uninit); 2371 bfa_fsm_send_event(ioc, IOC_E_RESET); 2372 } 2373 2374 /* 2375 * Driver detach time IOC cleanup. 2376 */ 2377 void bfa_ioc_detach(struct bfa_ioc_s * ioc)2378 bfa_ioc_detach(struct bfa_ioc_s *ioc) 2379 { 2380 bfa_fsm_send_event(ioc, IOC_E_DETACH); 2381 INIT_LIST_HEAD(&ioc->notify_q); 2382 } 2383 2384 /* 2385 * Setup IOC PCI properties. 2386 * 2387 * @param[in] pcidev PCI device information for this IOC 2388 */ 2389 void bfa_ioc_pci_init(struct bfa_ioc_s * ioc,struct bfa_pcidev_s * pcidev,enum bfi_pcifn_class clscode)2390 bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev, 2391 enum bfi_pcifn_class clscode) 2392 { 2393 ioc->clscode = clscode; 2394 ioc->pcidev = *pcidev; 2395 2396 /* 2397 * Initialize IOC and device personality 2398 */ 2399 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_FC; 2400 ioc->asic_mode = BFI_ASIC_MODE_FC; 2401 2402 switch (pcidev->device_id) { 2403 case BFA_PCI_DEVICE_ID_FC_8G1P: 2404 case BFA_PCI_DEVICE_ID_FC_8G2P: 2405 ioc->asic_gen = BFI_ASIC_GEN_CB; 2406 ioc->fcmode = BFA_TRUE; 2407 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2408 ioc->ad_cap_bm = BFA_CM_HBA; 2409 break; 2410 2411 case BFA_PCI_DEVICE_ID_CT: 2412 ioc->asic_gen = BFI_ASIC_GEN_CT; 2413 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2414 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2415 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_CNA; 2416 ioc->ad_cap_bm = BFA_CM_CNA; 2417 break; 2418 2419 case BFA_PCI_DEVICE_ID_CT_FC: 2420 ioc->asic_gen = BFI_ASIC_GEN_CT; 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_CT2: 2427 case BFA_PCI_DEVICE_ID_CT2_QUAD: 2428 ioc->asic_gen = BFI_ASIC_GEN_CT2; 2429 if (clscode == BFI_PCIFN_CLASS_FC && 2430 pcidev->ssid == BFA_PCI_CT2_SSID_FC) { 2431 ioc->asic_mode = BFI_ASIC_MODE_FC16; 2432 ioc->fcmode = BFA_TRUE; 2433 ioc->port_mode = ioc->port_mode_cfg = BFA_MODE_HBA; 2434 ioc->ad_cap_bm = BFA_CM_HBA; 2435 } else { 2436 ioc->port0_mode = ioc->port1_mode = BFI_PORT_MODE_ETH; 2437 ioc->asic_mode = BFI_ASIC_MODE_ETH; 2438 if (pcidev->ssid == BFA_PCI_CT2_SSID_FCoE) { 2439 ioc->port_mode = 2440 ioc->port_mode_cfg = BFA_MODE_CNA; 2441 ioc->ad_cap_bm = BFA_CM_CNA; 2442 } else { 2443 ioc->port_mode = 2444 ioc->port_mode_cfg = BFA_MODE_NIC; 2445 ioc->ad_cap_bm = BFA_CM_NIC; 2446 } 2447 } 2448 break; 2449 2450 default: 2451 WARN_ON(1); 2452 } 2453 2454 /* 2455 * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c 2456 */ 2457 if (ioc->asic_gen == BFI_ASIC_GEN_CB) 2458 bfa_ioc_set_cb_hwif(ioc); 2459 else if (ioc->asic_gen == BFI_ASIC_GEN_CT) 2460 bfa_ioc_set_ct_hwif(ioc); 2461 else { 2462 WARN_ON(ioc->asic_gen != BFI_ASIC_GEN_CT2); 2463 bfa_ioc_set_ct2_hwif(ioc); 2464 bfa_ioc_ct2_poweron(ioc); 2465 } 2466 2467 bfa_ioc_map_port(ioc); 2468 bfa_ioc_reg_init(ioc); 2469 } 2470 2471 /* 2472 * Initialize IOC dma memory 2473 * 2474 * @param[in] dm_kva kernel virtual address of IOC dma memory 2475 * @param[in] dm_pa physical address of IOC dma memory 2476 */ 2477 void bfa_ioc_mem_claim(struct bfa_ioc_s * ioc,u8 * dm_kva,u64 dm_pa)2478 bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa) 2479 { 2480 /* 2481 * dma memory for firmware attribute 2482 */ 2483 ioc->attr_dma.kva = dm_kva; 2484 ioc->attr_dma.pa = dm_pa; 2485 ioc->attr = (struct bfi_ioc_attr_s *) dm_kva; 2486 } 2487 2488 void bfa_ioc_enable(struct bfa_ioc_s * ioc)2489 bfa_ioc_enable(struct bfa_ioc_s *ioc) 2490 { 2491 bfa_ioc_stats(ioc, ioc_enables); 2492 ioc->dbg_fwsave_once = BFA_TRUE; 2493 2494 bfa_fsm_send_event(ioc, IOC_E_ENABLE); 2495 } 2496 2497 void bfa_ioc_disable(struct bfa_ioc_s * ioc)2498 bfa_ioc_disable(struct bfa_ioc_s *ioc) 2499 { 2500 bfa_ioc_stats(ioc, ioc_disables); 2501 bfa_fsm_send_event(ioc, IOC_E_DISABLE); 2502 } 2503 2504 void bfa_ioc_suspend(struct bfa_ioc_s * ioc)2505 bfa_ioc_suspend(struct bfa_ioc_s *ioc) 2506 { 2507 ioc->dbg_fwsave_once = BFA_TRUE; 2508 bfa_fsm_send_event(ioc, IOC_E_HWERROR); 2509 } 2510 2511 /* 2512 * Initialize memory for saving firmware trace. Driver must initialize 2513 * trace memory before call bfa_ioc_enable(). 2514 */ 2515 void bfa_ioc_debug_memclaim(struct bfa_ioc_s * ioc,void * dbg_fwsave)2516 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave) 2517 { 2518 ioc->dbg_fwsave = dbg_fwsave; 2519 ioc->dbg_fwsave_len = BFA_DBG_FWTRC_LEN; 2520 } 2521 2522 /* 2523 * Register mailbox message handler functions 2524 * 2525 * @param[in] ioc IOC instance 2526 * @param[in] mcfuncs message class handler functions 2527 */ 2528 void bfa_ioc_mbox_register(struct bfa_ioc_s * ioc,bfa_ioc_mbox_mcfunc_t * mcfuncs)2529 bfa_ioc_mbox_register(struct bfa_ioc_s *ioc, bfa_ioc_mbox_mcfunc_t *mcfuncs) 2530 { 2531 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2532 int mc; 2533 2534 for (mc = 0; mc < BFI_MC_MAX; mc++) 2535 mod->mbhdlr[mc].cbfn = mcfuncs[mc]; 2536 } 2537 2538 /* 2539 * Register mailbox message handler function, to be called by common modules 2540 */ 2541 void bfa_ioc_mbox_regisr(struct bfa_ioc_s * ioc,enum bfi_mclass mc,bfa_ioc_mbox_mcfunc_t cbfn,void * cbarg)2542 bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc, 2543 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) 2544 { 2545 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2546 2547 mod->mbhdlr[mc].cbfn = cbfn; 2548 mod->mbhdlr[mc].cbarg = cbarg; 2549 } 2550 2551 /* 2552 * Queue a mailbox command request to firmware. Waits if mailbox is busy. 2553 * Responsibility of caller to serialize 2554 * 2555 * @param[in] ioc IOC instance 2556 * @param[i] cmd Mailbox command 2557 */ 2558 void bfa_ioc_mbox_queue(struct bfa_ioc_s * ioc,struct bfa_mbox_cmd_s * cmd)2559 bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd) 2560 { 2561 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2562 u32 stat; 2563 2564 /* 2565 * If a previous command is pending, queue new command 2566 */ 2567 if (!list_empty(&mod->cmd_q)) { 2568 list_add_tail(&cmd->qe, &mod->cmd_q); 2569 return; 2570 } 2571 2572 /* 2573 * If mailbox is busy, queue command for poll timer 2574 */ 2575 stat = readl(ioc->ioc_regs.hfn_mbox_cmd); 2576 if (stat) { 2577 list_add_tail(&cmd->qe, &mod->cmd_q); 2578 return; 2579 } 2580 2581 /* 2582 * mailbox is free -- queue command to firmware 2583 */ 2584 bfa_ioc_mbox_send(ioc, cmd->msg, sizeof(cmd->msg)); 2585 } 2586 2587 /* 2588 * Handle mailbox interrupts 2589 */ 2590 void bfa_ioc_mbox_isr(struct bfa_ioc_s * ioc)2591 bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc) 2592 { 2593 struct bfa_ioc_mbox_mod_s *mod = &ioc->mbox_mod; 2594 struct bfi_mbmsg_s m; 2595 int mc; 2596 2597 if (bfa_ioc_msgget(ioc, &m)) { 2598 /* 2599 * Treat IOC message class as special. 2600 */ 2601 mc = m.mh.msg_class; 2602 if (mc == BFI_MC_IOC) { 2603 bfa_ioc_isr(ioc, &m); 2604 return; 2605 } 2606 2607 if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL)) 2608 return; 2609 2610 mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m); 2611 } 2612 2613 bfa_ioc_lpu_read_stat(ioc); 2614 2615 /* 2616 * Try to send pending mailbox commands 2617 */ 2618 bfa_ioc_mbox_poll(ioc); 2619 } 2620 2621 void bfa_ioc_error_isr(struct bfa_ioc_s * ioc)2622 bfa_ioc_error_isr(struct bfa_ioc_s *ioc) 2623 { 2624 bfa_ioc_stats(ioc, ioc_hbfails); 2625 ioc->stats.hb_count = ioc->hb_count; 2626 bfa_fsm_send_event(ioc, IOC_E_HWERROR); 2627 } 2628 2629 /* 2630 * return true if IOC is disabled 2631 */ 2632 bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s * ioc)2633 bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) 2634 { 2635 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabling) || 2636 bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); 2637 } 2638 2639 /* 2640 * return true if IOC firmware is different. 2641 */ 2642 bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s * ioc)2643 bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc) 2644 { 2645 return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_reset) || 2646 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_fwcheck) || 2647 bfa_fsm_cmp_state(&ioc->iocpf, bfa_iocpf_sm_mismatch); 2648 } 2649 2650 /* 2651 * Check if adapter is disabled -- both IOCs should be in a disabled 2652 * state. 2653 */ 2654 bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s * ioc)2655 bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc) 2656 { 2657 u32 ioc_state; 2658 2659 if (!bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled)) 2660 return BFA_FALSE; 2661 2662 ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); 2663 if (!bfa_ioc_state_disabled(ioc_state)) 2664 return BFA_FALSE; 2665 2666 if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_FC_8G1P) { 2667 ioc_state = bfa_ioc_get_cur_ioc_fwstate(ioc); 2668 if (!bfa_ioc_state_disabled(ioc_state)) 2669 return BFA_FALSE; 2670 } 2671 2672 return BFA_TRUE; 2673 } 2674 2675 /* 2676 * Reset IOC fwstate registers. 2677 */ 2678 void bfa_ioc_reset_fwstate(struct bfa_ioc_s * ioc)2679 bfa_ioc_reset_fwstate(struct bfa_ioc_s *ioc) 2680 { 2681 bfa_ioc_set_cur_ioc_fwstate(ioc, BFI_IOC_UNINIT); 2682 bfa_ioc_set_alt_ioc_fwstate(ioc, BFI_IOC_UNINIT); 2683 } 2684 2685 #define BFA_MFG_NAME "QLogic" 2686 void bfa_ioc_get_adapter_attr(struct bfa_ioc_s * ioc,struct bfa_adapter_attr_s * ad_attr)2687 bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc, 2688 struct bfa_adapter_attr_s *ad_attr) 2689 { 2690 struct bfi_ioc_attr_s *ioc_attr; 2691 2692 ioc_attr = ioc->attr; 2693 2694 bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num); 2695 bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver); 2696 bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver); 2697 bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer); 2698 memcpy(&ad_attr->vpd, &ioc_attr->vpd, 2699 sizeof(struct bfa_mfg_vpd_s)); 2700 2701 ad_attr->nports = bfa_ioc_get_nports(ioc); 2702 ad_attr->max_speed = bfa_ioc_speed_sup(ioc); 2703 2704 bfa_ioc_get_adapter_model(ioc, ad_attr->model); 2705 /* For now, model descr uses same model string */ 2706 bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr); 2707 2708 ad_attr->card_type = ioc_attr->card_type; 2709 ad_attr->is_mezz = bfa_mfg_is_mezz(ioc_attr->card_type); 2710 2711 if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop)) 2712 ad_attr->prototype = 1; 2713 else 2714 ad_attr->prototype = 0; 2715 2716 ad_attr->pwwn = ioc->attr->pwwn; 2717 ad_attr->mac = bfa_ioc_get_mac(ioc); 2718 2719 ad_attr->pcie_gen = ioc_attr->pcie_gen; 2720 ad_attr->pcie_lanes = ioc_attr->pcie_lanes; 2721 ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig; 2722 ad_attr->asic_rev = ioc_attr->asic_rev; 2723 2724 bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver); 2725 2726 ad_attr->cna_capable = bfa_ioc_is_cna(ioc); 2727 ad_attr->trunk_capable = (ad_attr->nports > 1) && 2728 !bfa_ioc_is_cna(ioc) && !ad_attr->is_mezz; 2729 ad_attr->mfg_day = ioc_attr->mfg_day; 2730 ad_attr->mfg_month = ioc_attr->mfg_month; 2731 ad_attr->mfg_year = ioc_attr->mfg_year; 2732 memcpy(ad_attr->uuid, ioc_attr->uuid, BFA_ADAPTER_UUID_LEN); 2733 } 2734 2735 enum bfa_ioc_type_e bfa_ioc_get_type(struct bfa_ioc_s * ioc)2736 bfa_ioc_get_type(struct bfa_ioc_s *ioc) 2737 { 2738 if (ioc->clscode == BFI_PCIFN_CLASS_ETH) 2739 return BFA_IOC_TYPE_LL; 2740 2741 WARN_ON(ioc->clscode != BFI_PCIFN_CLASS_FC); 2742 2743 return (ioc->attr->port_mode == BFI_PORT_MODE_FC) 2744 ? BFA_IOC_TYPE_FC : BFA_IOC_TYPE_FCoE; 2745 } 2746 2747 void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s * ioc,char * serial_num)2748 bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num) 2749 { 2750 memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN); 2751 memcpy((void *)serial_num, 2752 (void *)ioc->attr->brcd_serialnum, 2753 BFA_ADAPTER_SERIAL_NUM_LEN); 2754 } 2755 2756 void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s * ioc,char * fw_ver)2757 bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver) 2758 { 2759 memset((void *)fw_ver, 0, BFA_VERSION_LEN); 2760 memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN); 2761 } 2762 2763 void bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s * ioc,char * chip_rev)2764 bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev) 2765 { 2766 WARN_ON(!chip_rev); 2767 2768 memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN); 2769 2770 chip_rev[0] = 'R'; 2771 chip_rev[1] = 'e'; 2772 chip_rev[2] = 'v'; 2773 chip_rev[3] = '-'; 2774 chip_rev[4] = ioc->attr->asic_rev; 2775 chip_rev[5] = '\0'; 2776 } 2777 2778 void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s * ioc,char * optrom_ver)2779 bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver) 2780 { 2781 memset((void *)optrom_ver, 0, BFA_VERSION_LEN); 2782 memcpy(optrom_ver, ioc->attr->optrom_version, 2783 BFA_VERSION_LEN); 2784 } 2785 2786 void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s * ioc,char * manufacturer)2787 bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer) 2788 { 2789 memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN); 2790 strscpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN); 2791 } 2792 2793 void bfa_ioc_get_adapter_model(struct bfa_ioc_s * ioc,char * model)2794 bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model) 2795 { 2796 struct bfi_ioc_attr_s *ioc_attr; 2797 u8 nports = bfa_ioc_get_nports(ioc); 2798 2799 WARN_ON(!model); 2800 memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN); 2801 2802 ioc_attr = ioc->attr; 2803 2804 if (bfa_asic_id_ct2(ioc->pcidev.device_id) && 2805 (!bfa_mfg_is_mezz(ioc_attr->card_type))) 2806 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u-%u%s", 2807 BFA_MFG_NAME, ioc_attr->card_type, nports, "p"); 2808 else 2809 snprintf(model, BFA_ADAPTER_MODEL_NAME_LEN, "%s-%u", 2810 BFA_MFG_NAME, ioc_attr->card_type); 2811 } 2812 2813 enum bfa_ioc_state bfa_ioc_get_state(struct bfa_ioc_s * ioc)2814 bfa_ioc_get_state(struct bfa_ioc_s *ioc) 2815 { 2816 enum bfa_iocpf_state iocpf_st; 2817 enum bfa_ioc_state ioc_st = bfa_ioc_sm_to_state(ioc_sm_table, ioc->fsm); 2818 2819 if (ioc_st == BFA_IOC_ENABLING || 2820 ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { 2821 2822 iocpf_st = bfa_iocpf_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); 2823 2824 switch (iocpf_st) { 2825 case BFA_IOCPF_SEMWAIT: 2826 ioc_st = BFA_IOC_SEMWAIT; 2827 break; 2828 2829 case BFA_IOCPF_HWINIT: 2830 ioc_st = BFA_IOC_HWINIT; 2831 break; 2832 2833 case BFA_IOCPF_FWMISMATCH: 2834 ioc_st = BFA_IOC_FWMISMATCH; 2835 break; 2836 2837 case BFA_IOCPF_FAIL: 2838 ioc_st = BFA_IOC_FAIL; 2839 break; 2840 2841 case BFA_IOCPF_INITFAIL: 2842 ioc_st = BFA_IOC_INITFAIL; 2843 break; 2844 2845 default: 2846 break; 2847 } 2848 } 2849 2850 return ioc_st; 2851 } 2852 2853 void bfa_ioc_get_attr(struct bfa_ioc_s * ioc,struct bfa_ioc_attr_s * ioc_attr)2854 bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr) 2855 { 2856 memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s)); 2857 2858 ioc_attr->state = bfa_ioc_get_state(ioc); 2859 ioc_attr->port_id = bfa_ioc_portid(ioc); 2860 ioc_attr->port_mode = ioc->port_mode; 2861 ioc_attr->port_mode_cfg = ioc->port_mode_cfg; 2862 ioc_attr->cap_bm = ioc->ad_cap_bm; 2863 2864 ioc_attr->ioc_type = bfa_ioc_get_type(ioc); 2865 2866 bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr); 2867 2868 ioc_attr->pci_attr.device_id = bfa_ioc_devid(ioc); 2869 ioc_attr->pci_attr.pcifn = bfa_ioc_pcifn(ioc); 2870 ioc_attr->def_fn = (bfa_ioc_pcifn(ioc) == bfa_ioc_portid(ioc)); 2871 bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); 2872 } 2873 2874 mac_t bfa_ioc_get_mac(struct bfa_ioc_s * ioc)2875 bfa_ioc_get_mac(struct bfa_ioc_s *ioc) 2876 { 2877 /* 2878 * Check the IOC type and return the appropriate MAC 2879 */ 2880 if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_FCoE) 2881 return ioc->attr->fcoe_mac; 2882 else 2883 return ioc->attr->mac; 2884 } 2885 2886 mac_t bfa_ioc_get_mfg_mac(struct bfa_ioc_s * ioc)2887 bfa_ioc_get_mfg_mac(struct bfa_ioc_s *ioc) 2888 { 2889 mac_t m; 2890 2891 m = ioc->attr->mfg_mac; 2892 if (bfa_mfg_is_old_wwn_mac_model(ioc->attr->card_type)) 2893 m.mac[MAC_ADDRLEN - 1] += bfa_ioc_pcifn(ioc); 2894 else 2895 bfa_mfg_increment_wwn_mac(&(m.mac[MAC_ADDRLEN-3]), 2896 bfa_ioc_pcifn(ioc)); 2897 2898 return m; 2899 } 2900 2901 /* 2902 * Send AEN notification 2903 */ 2904 void bfa_ioc_aen_post(struct bfa_ioc_s * ioc,enum bfa_ioc_aen_event event)2905 bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event) 2906 { 2907 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 2908 struct bfa_aen_entry_s *aen_entry; 2909 enum bfa_ioc_type_e ioc_type; 2910 2911 bfad_get_aen_entry(bfad, aen_entry); 2912 if (!aen_entry) 2913 return; 2914 2915 ioc_type = bfa_ioc_get_type(ioc); 2916 switch (ioc_type) { 2917 case BFA_IOC_TYPE_FC: 2918 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2919 break; 2920 case BFA_IOC_TYPE_FCoE: 2921 aen_entry->aen_data.ioc.pwwn = ioc->attr->pwwn; 2922 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2923 break; 2924 case BFA_IOC_TYPE_LL: 2925 aen_entry->aen_data.ioc.mac = bfa_ioc_get_mac(ioc); 2926 break; 2927 default: 2928 WARN_ON(ioc_type != BFA_IOC_TYPE_FC); 2929 break; 2930 } 2931 2932 /* Send the AEN notification */ 2933 aen_entry->aen_data.ioc.ioc_type = ioc_type; 2934 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 2935 BFA_AEN_CAT_IOC, event); 2936 } 2937 2938 /* 2939 * Retrieve saved firmware trace from a prior IOC failure. 2940 */ 2941 bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s * ioc,void * trcdata,int * trclen)2942 bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2943 { 2944 int tlen; 2945 2946 if (ioc->dbg_fwsave_len == 0) 2947 return BFA_STATUS_ENOFSAVE; 2948 2949 tlen = *trclen; 2950 if (tlen > ioc->dbg_fwsave_len) 2951 tlen = ioc->dbg_fwsave_len; 2952 2953 memcpy(trcdata, ioc->dbg_fwsave, tlen); 2954 *trclen = tlen; 2955 return BFA_STATUS_OK; 2956 } 2957 2958 2959 /* 2960 * Retrieve saved firmware trace from a prior IOC failure. 2961 */ 2962 bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s * ioc,void * trcdata,int * trclen)2963 bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen) 2964 { 2965 u32 loff = BFA_DBG_FWTRC_OFF(bfa_ioc_portid(ioc)); 2966 int tlen; 2967 bfa_status_t status; 2968 2969 bfa_trc(ioc, *trclen); 2970 2971 tlen = *trclen; 2972 if (tlen > BFA_DBG_FWTRC_LEN) 2973 tlen = BFA_DBG_FWTRC_LEN; 2974 2975 status = bfa_ioc_smem_read(ioc, trcdata, loff, tlen); 2976 *trclen = tlen; 2977 return status; 2978 } 2979 2980 static void bfa_ioc_send_fwsync(struct bfa_ioc_s * ioc)2981 bfa_ioc_send_fwsync(struct bfa_ioc_s *ioc) 2982 { 2983 struct bfa_mbox_cmd_s cmd; 2984 struct bfi_ioc_ctrl_req_s *req = (struct bfi_ioc_ctrl_req_s *) cmd.msg; 2985 2986 bfi_h2i_set(req->mh, BFI_MC_IOC, BFI_IOC_H2I_DBG_SYNC, 2987 bfa_ioc_portid(ioc)); 2988 req->clscode = cpu_to_be16(ioc->clscode); 2989 bfa_ioc_mbox_queue(ioc, &cmd); 2990 } 2991 2992 static void bfa_ioc_fwsync(struct bfa_ioc_s * ioc)2993 bfa_ioc_fwsync(struct bfa_ioc_s *ioc) 2994 { 2995 u32 fwsync_iter = 1000; 2996 2997 bfa_ioc_send_fwsync(ioc); 2998 2999 /* 3000 * After sending a fw sync mbox command wait for it to 3001 * take effect. We will not wait for a response because 3002 * 1. fw_sync mbox cmd doesn't have a response. 3003 * 2. Even if we implement that, interrupts might not 3004 * be enabled when we call this function. 3005 * So, just keep checking if any mbox cmd is pending, and 3006 * after waiting for a reasonable amount of time, go ahead. 3007 * It is possible that fw has crashed and the mbox command 3008 * is never acknowledged. 3009 */ 3010 while (bfa_ioc_mbox_cmd_pending(ioc) && fwsync_iter > 0) 3011 fwsync_iter--; 3012 } 3013 3014 /* 3015 * Dump firmware smem 3016 */ 3017 bfa_status_t bfa_ioc_debug_fwcore(struct bfa_ioc_s * ioc,void * buf,u32 * offset,int * buflen)3018 bfa_ioc_debug_fwcore(struct bfa_ioc_s *ioc, void *buf, 3019 u32 *offset, int *buflen) 3020 { 3021 u32 loff; 3022 int dlen; 3023 bfa_status_t status; 3024 u32 smem_len = BFA_IOC_FW_SMEM_SIZE(ioc); 3025 3026 if (*offset >= smem_len) { 3027 *offset = *buflen = 0; 3028 return BFA_STATUS_EINVAL; 3029 } 3030 3031 loff = *offset; 3032 dlen = *buflen; 3033 3034 /* 3035 * First smem read, sync smem before proceeding 3036 * No need to sync before reading every chunk. 3037 */ 3038 if (loff == 0) 3039 bfa_ioc_fwsync(ioc); 3040 3041 if ((loff + dlen) >= smem_len) 3042 dlen = smem_len - loff; 3043 3044 status = bfa_ioc_smem_read(ioc, buf, loff, dlen); 3045 3046 if (status != BFA_STATUS_OK) { 3047 *offset = *buflen = 0; 3048 return status; 3049 } 3050 3051 *offset += dlen; 3052 3053 if (*offset >= smem_len) 3054 *offset = 0; 3055 3056 *buflen = dlen; 3057 3058 return status; 3059 } 3060 3061 /* 3062 * Firmware statistics 3063 */ 3064 bfa_status_t bfa_ioc_fw_stats_get(struct bfa_ioc_s * ioc,void * stats)3065 bfa_ioc_fw_stats_get(struct bfa_ioc_s *ioc, void *stats) 3066 { 3067 u32 loff = BFI_IOC_FWSTATS_OFF + \ 3068 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 3069 int tlen; 3070 bfa_status_t status; 3071 3072 if (ioc->stats_busy) { 3073 bfa_trc(ioc, ioc->stats_busy); 3074 return BFA_STATUS_DEVBUSY; 3075 } 3076 ioc->stats_busy = BFA_TRUE; 3077 3078 tlen = sizeof(struct bfa_fw_stats_s); 3079 status = bfa_ioc_smem_read(ioc, stats, loff, tlen); 3080 3081 ioc->stats_busy = BFA_FALSE; 3082 return status; 3083 } 3084 3085 bfa_status_t bfa_ioc_fw_stats_clear(struct bfa_ioc_s * ioc)3086 bfa_ioc_fw_stats_clear(struct bfa_ioc_s *ioc) 3087 { 3088 u32 loff = BFI_IOC_FWSTATS_OFF + \ 3089 BFI_IOC_FWSTATS_SZ * (bfa_ioc_portid(ioc)); 3090 int tlen; 3091 bfa_status_t status; 3092 3093 if (ioc->stats_busy) { 3094 bfa_trc(ioc, ioc->stats_busy); 3095 return BFA_STATUS_DEVBUSY; 3096 } 3097 ioc->stats_busy = BFA_TRUE; 3098 3099 tlen = sizeof(struct bfa_fw_stats_s); 3100 status = bfa_ioc_smem_clr(ioc, loff, tlen); 3101 3102 ioc->stats_busy = BFA_FALSE; 3103 return status; 3104 } 3105 3106 /* 3107 * Save firmware trace if configured. 3108 */ 3109 void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s * ioc)3110 bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc) 3111 { 3112 int tlen; 3113 3114 if (ioc->dbg_fwsave_once) { 3115 ioc->dbg_fwsave_once = BFA_FALSE; 3116 if (ioc->dbg_fwsave_len) { 3117 tlen = ioc->dbg_fwsave_len; 3118 bfa_ioc_debug_fwtrc(ioc, ioc->dbg_fwsave, &tlen); 3119 } 3120 } 3121 } 3122 3123 /* 3124 * Firmware failure detected. Start recovery actions. 3125 */ 3126 static void bfa_ioc_recover(struct bfa_ioc_s * ioc)3127 bfa_ioc_recover(struct bfa_ioc_s *ioc) 3128 { 3129 bfa_ioc_stats(ioc, ioc_hbfails); 3130 ioc->stats.hb_count = ioc->hb_count; 3131 bfa_fsm_send_event(ioc, IOC_E_HBFAIL); 3132 } 3133 3134 /* 3135 * BFA IOC PF private functions 3136 */ 3137 static void bfa_iocpf_timeout(void * ioc_arg)3138 bfa_iocpf_timeout(void *ioc_arg) 3139 { 3140 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3141 3142 bfa_trc(ioc, 0); 3143 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_TIMEOUT); 3144 } 3145 3146 static void bfa_iocpf_sem_timeout(void * ioc_arg)3147 bfa_iocpf_sem_timeout(void *ioc_arg) 3148 { 3149 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3150 3151 bfa_ioc_hw_sem_get(ioc); 3152 } 3153 3154 static void bfa_ioc_poll_fwinit(struct bfa_ioc_s * ioc)3155 bfa_ioc_poll_fwinit(struct bfa_ioc_s *ioc) 3156 { 3157 u32 fwstate = bfa_ioc_get_cur_ioc_fwstate(ioc); 3158 3159 bfa_trc(ioc, fwstate); 3160 3161 if (fwstate == BFI_IOC_DISABLED) { 3162 bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_FWREADY); 3163 return; 3164 } 3165 3166 if (ioc->iocpf.poll_time >= (3 * BFA_IOC_TOV)) 3167 bfa_iocpf_timeout(ioc); 3168 else { 3169 ioc->iocpf.poll_time += BFA_IOC_POLL_TOV; 3170 bfa_iocpf_poll_timer_start(ioc); 3171 } 3172 } 3173 3174 static void bfa_iocpf_poll_timeout(void * ioc_arg)3175 bfa_iocpf_poll_timeout(void *ioc_arg) 3176 { 3177 struct bfa_ioc_s *ioc = (struct bfa_ioc_s *) ioc_arg; 3178 3179 bfa_ioc_poll_fwinit(ioc); 3180 } 3181 3182 /* 3183 * bfa timer function 3184 */ 3185 void bfa_timer_beat(struct bfa_timer_mod_s * mod)3186 bfa_timer_beat(struct bfa_timer_mod_s *mod) 3187 { 3188 struct list_head *qh = &mod->timer_q; 3189 struct list_head *qe, *qe_next; 3190 struct bfa_timer_s *elem; 3191 struct list_head timedout_q; 3192 3193 INIT_LIST_HEAD(&timedout_q); 3194 3195 qe = bfa_q_next(qh); 3196 3197 while (qe != qh) { 3198 qe_next = bfa_q_next(qe); 3199 3200 elem = (struct bfa_timer_s *) qe; 3201 if (elem->timeout <= BFA_TIMER_FREQ) { 3202 elem->timeout = 0; 3203 list_del(&elem->qe); 3204 list_add_tail(&elem->qe, &timedout_q); 3205 } else { 3206 elem->timeout -= BFA_TIMER_FREQ; 3207 } 3208 3209 qe = qe_next; /* go to next elem */ 3210 } 3211 3212 /* 3213 * Pop all the timeout entries 3214 */ 3215 while (!list_empty(&timedout_q)) { 3216 bfa_q_deq(&timedout_q, &elem); 3217 elem->timercb(elem->arg); 3218 } 3219 } 3220 3221 /* 3222 * Should be called with lock protection 3223 */ 3224 void bfa_timer_begin(struct bfa_timer_mod_s * mod,struct bfa_timer_s * timer,void (* timercb)(void *),void * arg,unsigned int timeout)3225 bfa_timer_begin(struct bfa_timer_mod_s *mod, struct bfa_timer_s *timer, 3226 void (*timercb) (void *), void *arg, unsigned int timeout) 3227 { 3228 3229 WARN_ON(timercb == NULL); 3230 WARN_ON(bfa_q_is_on_q(&mod->timer_q, timer)); 3231 3232 timer->timeout = timeout; 3233 timer->timercb = timercb; 3234 timer->arg = arg; 3235 3236 list_add_tail(&timer->qe, &mod->timer_q); 3237 } 3238 3239 /* 3240 * Should be called with lock protection 3241 */ 3242 void bfa_timer_stop(struct bfa_timer_s * timer)3243 bfa_timer_stop(struct bfa_timer_s *timer) 3244 { 3245 WARN_ON(list_empty(&timer->qe)); 3246 3247 list_del(&timer->qe); 3248 } 3249 3250 /* 3251 * ASIC block related 3252 */ 3253 static void bfa_ablk_config_swap(struct bfa_ablk_cfg_s * cfg)3254 bfa_ablk_config_swap(struct bfa_ablk_cfg_s *cfg) 3255 { 3256 struct bfa_ablk_cfg_inst_s *cfg_inst; 3257 int i, j; 3258 u16 be16; 3259 3260 for (i = 0; i < BFA_ABLK_MAX; i++) { 3261 cfg_inst = &cfg->inst[i]; 3262 for (j = 0; j < BFA_ABLK_MAX_PFS; j++) { 3263 be16 = cfg_inst->pf_cfg[j].pers; 3264 cfg_inst->pf_cfg[j].pers = be16_to_cpu(be16); 3265 be16 = cfg_inst->pf_cfg[j].num_qpairs; 3266 cfg_inst->pf_cfg[j].num_qpairs = be16_to_cpu(be16); 3267 be16 = cfg_inst->pf_cfg[j].num_vectors; 3268 cfg_inst->pf_cfg[j].num_vectors = be16_to_cpu(be16); 3269 be16 = cfg_inst->pf_cfg[j].bw_min; 3270 cfg_inst->pf_cfg[j].bw_min = be16_to_cpu(be16); 3271 be16 = cfg_inst->pf_cfg[j].bw_max; 3272 cfg_inst->pf_cfg[j].bw_max = be16_to_cpu(be16); 3273 } 3274 } 3275 } 3276 3277 static void bfa_ablk_isr(void * cbarg,struct bfi_mbmsg_s * msg)3278 bfa_ablk_isr(void *cbarg, struct bfi_mbmsg_s *msg) 3279 { 3280 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3281 struct bfi_ablk_i2h_rsp_s *rsp = (struct bfi_ablk_i2h_rsp_s *)msg; 3282 bfa_ablk_cbfn_t cbfn; 3283 3284 WARN_ON(msg->mh.msg_class != BFI_MC_ABLK); 3285 bfa_trc(ablk->ioc, msg->mh.msg_id); 3286 3287 switch (msg->mh.msg_id) { 3288 case BFI_ABLK_I2H_QUERY: 3289 if (rsp->status == BFA_STATUS_OK) { 3290 memcpy(ablk->cfg, ablk->dma_addr.kva, 3291 sizeof(struct bfa_ablk_cfg_s)); 3292 bfa_ablk_config_swap(ablk->cfg); 3293 ablk->cfg = NULL; 3294 } 3295 break; 3296 3297 case BFI_ABLK_I2H_ADPT_CONFIG: 3298 case BFI_ABLK_I2H_PORT_CONFIG: 3299 /* update config port mode */ 3300 ablk->ioc->port_mode_cfg = rsp->port_mode; 3301 break; 3302 3303 case BFI_ABLK_I2H_PF_DELETE: 3304 case BFI_ABLK_I2H_PF_UPDATE: 3305 case BFI_ABLK_I2H_OPTROM_ENABLE: 3306 case BFI_ABLK_I2H_OPTROM_DISABLE: 3307 /* No-op */ 3308 break; 3309 3310 case BFI_ABLK_I2H_PF_CREATE: 3311 *(ablk->pcifn) = rsp->pcifn; 3312 ablk->pcifn = NULL; 3313 break; 3314 3315 default: 3316 WARN_ON(1); 3317 } 3318 3319 ablk->busy = BFA_FALSE; 3320 if (ablk->cbfn) { 3321 cbfn = ablk->cbfn; 3322 ablk->cbfn = NULL; 3323 cbfn(ablk->cbarg, rsp->status); 3324 } 3325 } 3326 3327 static void bfa_ablk_notify(void * cbarg,enum bfa_ioc_event_e event)3328 bfa_ablk_notify(void *cbarg, enum bfa_ioc_event_e event) 3329 { 3330 struct bfa_ablk_s *ablk = (struct bfa_ablk_s *)cbarg; 3331 3332 bfa_trc(ablk->ioc, event); 3333 3334 switch (event) { 3335 case BFA_IOC_E_ENABLED: 3336 WARN_ON(ablk->busy != BFA_FALSE); 3337 break; 3338 3339 case BFA_IOC_E_DISABLED: 3340 case BFA_IOC_E_FAILED: 3341 /* Fail any pending requests */ 3342 ablk->pcifn = NULL; 3343 if (ablk->busy) { 3344 if (ablk->cbfn) 3345 ablk->cbfn(ablk->cbarg, BFA_STATUS_FAILED); 3346 ablk->cbfn = NULL; 3347 ablk->busy = BFA_FALSE; 3348 } 3349 break; 3350 3351 default: 3352 WARN_ON(1); 3353 break; 3354 } 3355 } 3356 3357 u32 bfa_ablk_meminfo(void)3358 bfa_ablk_meminfo(void) 3359 { 3360 return BFA_ROUNDUP(sizeof(struct bfa_ablk_cfg_s), BFA_DMA_ALIGN_SZ); 3361 } 3362 3363 void bfa_ablk_memclaim(struct bfa_ablk_s * ablk,u8 * dma_kva,u64 dma_pa)3364 bfa_ablk_memclaim(struct bfa_ablk_s *ablk, u8 *dma_kva, u64 dma_pa) 3365 { 3366 ablk->dma_addr.kva = dma_kva; 3367 ablk->dma_addr.pa = dma_pa; 3368 } 3369 3370 void bfa_ablk_attach(struct bfa_ablk_s * ablk,struct bfa_ioc_s * ioc)3371 bfa_ablk_attach(struct bfa_ablk_s *ablk, struct bfa_ioc_s *ioc) 3372 { 3373 ablk->ioc = ioc; 3374 3375 bfa_ioc_mbox_regisr(ablk->ioc, BFI_MC_ABLK, bfa_ablk_isr, ablk); 3376 bfa_q_qe_init(&ablk->ioc_notify); 3377 bfa_ioc_notify_init(&ablk->ioc_notify, bfa_ablk_notify, ablk); 3378 list_add_tail(&ablk->ioc_notify.qe, &ablk->ioc->notify_q); 3379 } 3380 3381 bfa_status_t bfa_ablk_query(struct bfa_ablk_s * ablk,struct bfa_ablk_cfg_s * ablk_cfg,bfa_ablk_cbfn_t cbfn,void * cbarg)3382 bfa_ablk_query(struct bfa_ablk_s *ablk, struct bfa_ablk_cfg_s *ablk_cfg, 3383 bfa_ablk_cbfn_t cbfn, void *cbarg) 3384 { 3385 struct bfi_ablk_h2i_query_s *m; 3386 3387 WARN_ON(!ablk_cfg); 3388 3389 if (!bfa_ioc_is_operational(ablk->ioc)) { 3390 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3391 return BFA_STATUS_IOC_FAILURE; 3392 } 3393 3394 if (ablk->busy) { 3395 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3396 return BFA_STATUS_DEVBUSY; 3397 } 3398 3399 ablk->cfg = ablk_cfg; 3400 ablk->cbfn = cbfn; 3401 ablk->cbarg = cbarg; 3402 ablk->busy = BFA_TRUE; 3403 3404 m = (struct bfi_ablk_h2i_query_s *)ablk->mb.msg; 3405 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_QUERY, 3406 bfa_ioc_portid(ablk->ioc)); 3407 bfa_dma_be_addr_set(m->addr, ablk->dma_addr.pa); 3408 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3409 3410 return BFA_STATUS_OK; 3411 } 3412 3413 bfa_status_t bfa_ablk_pf_create(struct bfa_ablk_s * ablk,u16 * pcifn,u8 port,enum bfi_pcifn_class personality,u16 bw_min,u16 bw_max,bfa_ablk_cbfn_t cbfn,void * cbarg)3414 bfa_ablk_pf_create(struct bfa_ablk_s *ablk, u16 *pcifn, 3415 u8 port, enum bfi_pcifn_class personality, 3416 u16 bw_min, u16 bw_max, 3417 bfa_ablk_cbfn_t cbfn, void *cbarg) 3418 { 3419 struct bfi_ablk_h2i_pf_req_s *m; 3420 3421 if (!bfa_ioc_is_operational(ablk->ioc)) { 3422 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3423 return BFA_STATUS_IOC_FAILURE; 3424 } 3425 3426 if (ablk->busy) { 3427 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3428 return BFA_STATUS_DEVBUSY; 3429 } 3430 3431 ablk->pcifn = pcifn; 3432 ablk->cbfn = cbfn; 3433 ablk->cbarg = cbarg; 3434 ablk->busy = BFA_TRUE; 3435 3436 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3437 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_CREATE, 3438 bfa_ioc_portid(ablk->ioc)); 3439 m->pers = cpu_to_be16((u16)personality); 3440 m->bw_min = cpu_to_be16(bw_min); 3441 m->bw_max = cpu_to_be16(bw_max); 3442 m->port = port; 3443 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3444 3445 return BFA_STATUS_OK; 3446 } 3447 3448 bfa_status_t bfa_ablk_pf_delete(struct bfa_ablk_s * ablk,int pcifn,bfa_ablk_cbfn_t cbfn,void * cbarg)3449 bfa_ablk_pf_delete(struct bfa_ablk_s *ablk, int pcifn, 3450 bfa_ablk_cbfn_t cbfn, void *cbarg) 3451 { 3452 struct bfi_ablk_h2i_pf_req_s *m; 3453 3454 if (!bfa_ioc_is_operational(ablk->ioc)) { 3455 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3456 return BFA_STATUS_IOC_FAILURE; 3457 } 3458 3459 if (ablk->busy) { 3460 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3461 return BFA_STATUS_DEVBUSY; 3462 } 3463 3464 ablk->cbfn = cbfn; 3465 ablk->cbarg = cbarg; 3466 ablk->busy = BFA_TRUE; 3467 3468 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3469 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_DELETE, 3470 bfa_ioc_portid(ablk->ioc)); 3471 m->pcifn = (u8)pcifn; 3472 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3473 3474 return BFA_STATUS_OK; 3475 } 3476 3477 bfa_status_t bfa_ablk_adapter_config(struct bfa_ablk_s * ablk,enum bfa_mode_s mode,int max_pf,int max_vf,bfa_ablk_cbfn_t cbfn,void * cbarg)3478 bfa_ablk_adapter_config(struct bfa_ablk_s *ablk, enum bfa_mode_s mode, 3479 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3480 { 3481 struct bfi_ablk_h2i_cfg_req_s *m; 3482 3483 if (!bfa_ioc_is_operational(ablk->ioc)) { 3484 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3485 return BFA_STATUS_IOC_FAILURE; 3486 } 3487 3488 if (ablk->busy) { 3489 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3490 return BFA_STATUS_DEVBUSY; 3491 } 3492 3493 ablk->cbfn = cbfn; 3494 ablk->cbarg = cbarg; 3495 ablk->busy = BFA_TRUE; 3496 3497 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3498 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_ADPT_CONFIG, 3499 bfa_ioc_portid(ablk->ioc)); 3500 m->mode = (u8)mode; 3501 m->max_pf = (u8)max_pf; 3502 m->max_vf = (u8)max_vf; 3503 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3504 3505 return BFA_STATUS_OK; 3506 } 3507 3508 bfa_status_t bfa_ablk_port_config(struct bfa_ablk_s * ablk,int port,enum bfa_mode_s mode,int max_pf,int max_vf,bfa_ablk_cbfn_t cbfn,void * cbarg)3509 bfa_ablk_port_config(struct bfa_ablk_s *ablk, int port, enum bfa_mode_s mode, 3510 int max_pf, int max_vf, bfa_ablk_cbfn_t cbfn, void *cbarg) 3511 { 3512 struct bfi_ablk_h2i_cfg_req_s *m; 3513 3514 if (!bfa_ioc_is_operational(ablk->ioc)) { 3515 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3516 return BFA_STATUS_IOC_FAILURE; 3517 } 3518 3519 if (ablk->busy) { 3520 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3521 return BFA_STATUS_DEVBUSY; 3522 } 3523 3524 ablk->cbfn = cbfn; 3525 ablk->cbarg = cbarg; 3526 ablk->busy = BFA_TRUE; 3527 3528 m = (struct bfi_ablk_h2i_cfg_req_s *)ablk->mb.msg; 3529 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PORT_CONFIG, 3530 bfa_ioc_portid(ablk->ioc)); 3531 m->port = (u8)port; 3532 m->mode = (u8)mode; 3533 m->max_pf = (u8)max_pf; 3534 m->max_vf = (u8)max_vf; 3535 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3536 3537 return BFA_STATUS_OK; 3538 } 3539 3540 bfa_status_t bfa_ablk_pf_update(struct bfa_ablk_s * ablk,int pcifn,u16 bw_min,u16 bw_max,bfa_ablk_cbfn_t cbfn,void * cbarg)3541 bfa_ablk_pf_update(struct bfa_ablk_s *ablk, int pcifn, u16 bw_min, 3542 u16 bw_max, bfa_ablk_cbfn_t cbfn, void *cbarg) 3543 { 3544 struct bfi_ablk_h2i_pf_req_s *m; 3545 3546 if (!bfa_ioc_is_operational(ablk->ioc)) { 3547 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3548 return BFA_STATUS_IOC_FAILURE; 3549 } 3550 3551 if (ablk->busy) { 3552 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3553 return BFA_STATUS_DEVBUSY; 3554 } 3555 3556 ablk->cbfn = cbfn; 3557 ablk->cbarg = cbarg; 3558 ablk->busy = BFA_TRUE; 3559 3560 m = (struct bfi_ablk_h2i_pf_req_s *)ablk->mb.msg; 3561 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_PF_UPDATE, 3562 bfa_ioc_portid(ablk->ioc)); 3563 m->pcifn = (u8)pcifn; 3564 m->bw_min = cpu_to_be16(bw_min); 3565 m->bw_max = cpu_to_be16(bw_max); 3566 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3567 3568 return BFA_STATUS_OK; 3569 } 3570 3571 bfa_status_t bfa_ablk_optrom_en(struct bfa_ablk_s * ablk,bfa_ablk_cbfn_t cbfn,void * cbarg)3572 bfa_ablk_optrom_en(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3573 { 3574 struct bfi_ablk_h2i_optrom_s *m; 3575 3576 if (!bfa_ioc_is_operational(ablk->ioc)) { 3577 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3578 return BFA_STATUS_IOC_FAILURE; 3579 } 3580 3581 if (ablk->busy) { 3582 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3583 return BFA_STATUS_DEVBUSY; 3584 } 3585 3586 ablk->cbfn = cbfn; 3587 ablk->cbarg = cbarg; 3588 ablk->busy = BFA_TRUE; 3589 3590 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3591 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_ENABLE, 3592 bfa_ioc_portid(ablk->ioc)); 3593 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3594 3595 return BFA_STATUS_OK; 3596 } 3597 3598 bfa_status_t bfa_ablk_optrom_dis(struct bfa_ablk_s * ablk,bfa_ablk_cbfn_t cbfn,void * cbarg)3599 bfa_ablk_optrom_dis(struct bfa_ablk_s *ablk, bfa_ablk_cbfn_t cbfn, void *cbarg) 3600 { 3601 struct bfi_ablk_h2i_optrom_s *m; 3602 3603 if (!bfa_ioc_is_operational(ablk->ioc)) { 3604 bfa_trc(ablk->ioc, BFA_STATUS_IOC_FAILURE); 3605 return BFA_STATUS_IOC_FAILURE; 3606 } 3607 3608 if (ablk->busy) { 3609 bfa_trc(ablk->ioc, BFA_STATUS_DEVBUSY); 3610 return BFA_STATUS_DEVBUSY; 3611 } 3612 3613 ablk->cbfn = cbfn; 3614 ablk->cbarg = cbarg; 3615 ablk->busy = BFA_TRUE; 3616 3617 m = (struct bfi_ablk_h2i_optrom_s *)ablk->mb.msg; 3618 bfi_h2i_set(m->mh, BFI_MC_ABLK, BFI_ABLK_H2I_OPTROM_DISABLE, 3619 bfa_ioc_portid(ablk->ioc)); 3620 bfa_ioc_mbox_queue(ablk->ioc, &ablk->mb); 3621 3622 return BFA_STATUS_OK; 3623 } 3624 3625 /* 3626 * SFP module specific 3627 */ 3628 3629 /* forward declarations */ 3630 static void bfa_sfp_getdata_send(struct bfa_sfp_s *sfp); 3631 static void bfa_sfp_media_get(struct bfa_sfp_s *sfp); 3632 static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, 3633 enum bfa_port_speed portspeed); 3634 3635 static void bfa_cb_sfp_show(struct bfa_sfp_s * sfp)3636 bfa_cb_sfp_show(struct bfa_sfp_s *sfp) 3637 { 3638 bfa_trc(sfp, sfp->lock); 3639 if (sfp->cbfn) 3640 sfp->cbfn(sfp->cbarg, sfp->status); 3641 sfp->lock = 0; 3642 sfp->cbfn = NULL; 3643 } 3644 3645 static void bfa_cb_sfp_state_query(struct bfa_sfp_s * sfp)3646 bfa_cb_sfp_state_query(struct bfa_sfp_s *sfp) 3647 { 3648 bfa_trc(sfp, sfp->portspeed); 3649 if (sfp->media) { 3650 bfa_sfp_media_get(sfp); 3651 if (sfp->state_query_cbfn) 3652 sfp->state_query_cbfn(sfp->state_query_cbarg, 3653 sfp->status); 3654 sfp->media = NULL; 3655 } 3656 3657 if (sfp->portspeed) { 3658 sfp->status = bfa_sfp_speed_valid(sfp, sfp->portspeed); 3659 if (sfp->state_query_cbfn) 3660 sfp->state_query_cbfn(sfp->state_query_cbarg, 3661 sfp->status); 3662 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 3663 } 3664 3665 sfp->state_query_lock = 0; 3666 sfp->state_query_cbfn = NULL; 3667 } 3668 3669 /* 3670 * IOC event handler. 3671 */ 3672 static void bfa_sfp_notify(void * sfp_arg,enum bfa_ioc_event_e event)3673 bfa_sfp_notify(void *sfp_arg, enum bfa_ioc_event_e event) 3674 { 3675 struct bfa_sfp_s *sfp = sfp_arg; 3676 3677 bfa_trc(sfp, event); 3678 bfa_trc(sfp, sfp->lock); 3679 bfa_trc(sfp, sfp->state_query_lock); 3680 3681 switch (event) { 3682 case BFA_IOC_E_DISABLED: 3683 case BFA_IOC_E_FAILED: 3684 if (sfp->lock) { 3685 sfp->status = BFA_STATUS_IOC_FAILURE; 3686 bfa_cb_sfp_show(sfp); 3687 } 3688 3689 if (sfp->state_query_lock) { 3690 sfp->status = BFA_STATUS_IOC_FAILURE; 3691 bfa_cb_sfp_state_query(sfp); 3692 } 3693 break; 3694 3695 default: 3696 break; 3697 } 3698 } 3699 3700 /* 3701 * SFP's State Change Notification post to AEN 3702 */ 3703 static void bfa_sfp_scn_aen_post(struct bfa_sfp_s * sfp,struct bfi_sfp_scn_s * rsp)3704 bfa_sfp_scn_aen_post(struct bfa_sfp_s *sfp, struct bfi_sfp_scn_s *rsp) 3705 { 3706 struct bfad_s *bfad = (struct bfad_s *)sfp->ioc->bfa->bfad; 3707 struct bfa_aen_entry_s *aen_entry; 3708 enum bfa_port_aen_event aen_evt = 0; 3709 3710 bfa_trc(sfp, (((u64)rsp->pomlvl) << 16) | (((u64)rsp->sfpid) << 8) | 3711 ((u64)rsp->event)); 3712 3713 bfad_get_aen_entry(bfad, aen_entry); 3714 if (!aen_entry) 3715 return; 3716 3717 aen_entry->aen_data.port.ioc_type = bfa_ioc_get_type(sfp->ioc); 3718 aen_entry->aen_data.port.pwwn = sfp->ioc->attr->pwwn; 3719 aen_entry->aen_data.port.mac = bfa_ioc_get_mac(sfp->ioc); 3720 3721 switch (rsp->event) { 3722 case BFA_SFP_SCN_INSERTED: 3723 aen_evt = BFA_PORT_AEN_SFP_INSERT; 3724 break; 3725 case BFA_SFP_SCN_REMOVED: 3726 aen_evt = BFA_PORT_AEN_SFP_REMOVE; 3727 break; 3728 case BFA_SFP_SCN_FAILED: 3729 aen_evt = BFA_PORT_AEN_SFP_ACCESS_ERROR; 3730 break; 3731 case BFA_SFP_SCN_UNSUPPORT: 3732 aen_evt = BFA_PORT_AEN_SFP_UNSUPPORT; 3733 break; 3734 case BFA_SFP_SCN_POM: 3735 aen_evt = BFA_PORT_AEN_SFP_POM; 3736 aen_entry->aen_data.port.level = rsp->pomlvl; 3737 break; 3738 default: 3739 bfa_trc(sfp, rsp->event); 3740 WARN_ON(1); 3741 } 3742 3743 /* Send the AEN notification */ 3744 bfad_im_post_vendor_event(aen_entry, bfad, ++sfp->ioc->ioc_aen_seq, 3745 BFA_AEN_CAT_PORT, aen_evt); 3746 } 3747 3748 /* 3749 * SFP get data send 3750 */ 3751 static void bfa_sfp_getdata_send(struct bfa_sfp_s * sfp)3752 bfa_sfp_getdata_send(struct bfa_sfp_s *sfp) 3753 { 3754 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3755 3756 bfa_trc(sfp, req->memtype); 3757 3758 /* build host command */ 3759 bfi_h2i_set(req->mh, BFI_MC_SFP, BFI_SFP_H2I_SHOW, 3760 bfa_ioc_portid(sfp->ioc)); 3761 3762 /* send mbox cmd */ 3763 bfa_ioc_mbox_queue(sfp->ioc, &sfp->mbcmd); 3764 } 3765 3766 /* 3767 * SFP is valid, read sfp data 3768 */ 3769 static void bfa_sfp_getdata(struct bfa_sfp_s * sfp,enum bfi_sfp_mem_e memtype)3770 bfa_sfp_getdata(struct bfa_sfp_s *sfp, enum bfi_sfp_mem_e memtype) 3771 { 3772 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3773 3774 WARN_ON(sfp->lock != 0); 3775 bfa_trc(sfp, sfp->state); 3776 3777 sfp->lock = 1; 3778 sfp->memtype = memtype; 3779 req->memtype = memtype; 3780 3781 /* Setup SG list */ 3782 bfa_alen_set(&req->alen, sizeof(struct sfp_mem_s), sfp->dbuf_pa); 3783 3784 bfa_sfp_getdata_send(sfp); 3785 } 3786 3787 /* 3788 * SFP scn handler 3789 */ 3790 static void bfa_sfp_scn(struct bfa_sfp_s * sfp,struct bfi_mbmsg_s * msg)3791 bfa_sfp_scn(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3792 { 3793 struct bfi_sfp_scn_s *rsp = (struct bfi_sfp_scn_s *) msg; 3794 3795 switch (rsp->event) { 3796 case BFA_SFP_SCN_INSERTED: 3797 sfp->state = BFA_SFP_STATE_INSERTED; 3798 sfp->data_valid = 0; 3799 bfa_sfp_scn_aen_post(sfp, rsp); 3800 break; 3801 case BFA_SFP_SCN_REMOVED: 3802 sfp->state = BFA_SFP_STATE_REMOVED; 3803 sfp->data_valid = 0; 3804 bfa_sfp_scn_aen_post(sfp, rsp); 3805 break; 3806 case BFA_SFP_SCN_FAILED: 3807 sfp->state = BFA_SFP_STATE_FAILED; 3808 sfp->data_valid = 0; 3809 bfa_sfp_scn_aen_post(sfp, rsp); 3810 break; 3811 case BFA_SFP_SCN_UNSUPPORT: 3812 sfp->state = BFA_SFP_STATE_UNSUPPORT; 3813 bfa_sfp_scn_aen_post(sfp, rsp); 3814 if (!sfp->lock) 3815 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3816 break; 3817 case BFA_SFP_SCN_POM: 3818 bfa_sfp_scn_aen_post(sfp, rsp); 3819 break; 3820 case BFA_SFP_SCN_VALID: 3821 sfp->state = BFA_SFP_STATE_VALID; 3822 if (!sfp->lock) 3823 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3824 break; 3825 default: 3826 bfa_trc(sfp, rsp->event); 3827 WARN_ON(1); 3828 } 3829 } 3830 3831 /* 3832 * SFP show complete 3833 */ 3834 static void bfa_sfp_show_comp(struct bfa_sfp_s * sfp,struct bfi_mbmsg_s * msg)3835 bfa_sfp_show_comp(struct bfa_sfp_s *sfp, struct bfi_mbmsg_s *msg) 3836 { 3837 struct bfi_sfp_rsp_s *rsp = (struct bfi_sfp_rsp_s *) msg; 3838 3839 if (!sfp->lock) { 3840 /* 3841 * receiving response after ioc failure 3842 */ 3843 bfa_trc(sfp, sfp->lock); 3844 return; 3845 } 3846 3847 bfa_trc(sfp, rsp->status); 3848 if (rsp->status == BFA_STATUS_OK) { 3849 sfp->data_valid = 1; 3850 if (sfp->state == BFA_SFP_STATE_VALID) 3851 sfp->status = BFA_STATUS_OK; 3852 else if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3853 sfp->status = BFA_STATUS_SFP_UNSUPP; 3854 else 3855 bfa_trc(sfp, sfp->state); 3856 } else { 3857 sfp->data_valid = 0; 3858 sfp->status = rsp->status; 3859 /* sfpshow shouldn't change sfp state */ 3860 } 3861 3862 bfa_trc(sfp, sfp->memtype); 3863 if (sfp->memtype == BFI_SFP_MEM_DIAGEXT) { 3864 bfa_trc(sfp, sfp->data_valid); 3865 if (sfp->data_valid) { 3866 u32 size = sizeof(struct sfp_mem_s); 3867 u8 *des = (u8 *)(sfp->sfpmem); 3868 memcpy(des, sfp->dbuf_kva, size); 3869 } 3870 /* 3871 * Queue completion callback. 3872 */ 3873 bfa_cb_sfp_show(sfp); 3874 } else 3875 sfp->lock = 0; 3876 3877 bfa_trc(sfp, sfp->state_query_lock); 3878 if (sfp->state_query_lock) { 3879 sfp->state = rsp->state; 3880 /* Complete callback */ 3881 bfa_cb_sfp_state_query(sfp); 3882 } 3883 } 3884 3885 /* 3886 * SFP query fw sfp state 3887 */ 3888 static void bfa_sfp_state_query(struct bfa_sfp_s * sfp)3889 bfa_sfp_state_query(struct bfa_sfp_s *sfp) 3890 { 3891 struct bfi_sfp_req_s *req = (struct bfi_sfp_req_s *)sfp->mbcmd.msg; 3892 3893 /* Should not be doing query if not in _INIT state */ 3894 WARN_ON(sfp->state != BFA_SFP_STATE_INIT); 3895 WARN_ON(sfp->state_query_lock != 0); 3896 bfa_trc(sfp, sfp->state); 3897 3898 sfp->state_query_lock = 1; 3899 req->memtype = 0; 3900 3901 if (!sfp->lock) 3902 bfa_sfp_getdata(sfp, BFI_SFP_MEM_ALL); 3903 } 3904 3905 static void bfa_sfp_media_get(struct bfa_sfp_s * sfp)3906 bfa_sfp_media_get(struct bfa_sfp_s *sfp) 3907 { 3908 enum bfa_defs_sfp_media_e *media = sfp->media; 3909 3910 *media = BFA_SFP_MEDIA_UNKNOWN; 3911 3912 if (sfp->state == BFA_SFP_STATE_UNSUPPORT) 3913 *media = BFA_SFP_MEDIA_UNSUPPORT; 3914 else if (sfp->state == BFA_SFP_STATE_VALID) { 3915 union sfp_xcvr_e10g_code_u e10g; 3916 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3917 u16 xmtr_tech = (sfpmem->srlid_base.xcvr[4] & 0x3) << 7 | 3918 (sfpmem->srlid_base.xcvr[5] >> 1); 3919 3920 e10g.b = sfpmem->srlid_base.xcvr[0]; 3921 bfa_trc(sfp, e10g.b); 3922 bfa_trc(sfp, xmtr_tech); 3923 /* check fc transmitter tech */ 3924 if ((xmtr_tech & SFP_XMTR_TECH_CU) || 3925 (xmtr_tech & SFP_XMTR_TECH_CP) || 3926 (xmtr_tech & SFP_XMTR_TECH_CA)) 3927 *media = BFA_SFP_MEDIA_CU; 3928 else if ((xmtr_tech & SFP_XMTR_TECH_EL_INTRA) || 3929 (xmtr_tech & SFP_XMTR_TECH_EL_INTER)) 3930 *media = BFA_SFP_MEDIA_EL; 3931 else if ((xmtr_tech & SFP_XMTR_TECH_LL) || 3932 (xmtr_tech & SFP_XMTR_TECH_LC)) 3933 *media = BFA_SFP_MEDIA_LW; 3934 else if ((xmtr_tech & SFP_XMTR_TECH_SL) || 3935 (xmtr_tech & SFP_XMTR_TECH_SN) || 3936 (xmtr_tech & SFP_XMTR_TECH_SA)) 3937 *media = BFA_SFP_MEDIA_SW; 3938 /* Check 10G Ethernet Compilance code */ 3939 else if (e10g.r.e10g_sr) 3940 *media = BFA_SFP_MEDIA_SW; 3941 else if (e10g.r.e10g_lrm && e10g.r.e10g_lr) 3942 *media = BFA_SFP_MEDIA_LW; 3943 else if (e10g.r.e10g_unall) 3944 *media = BFA_SFP_MEDIA_UNKNOWN; 3945 else 3946 bfa_trc(sfp, 0); 3947 } else 3948 bfa_trc(sfp, sfp->state); 3949 } 3950 3951 static bfa_status_t bfa_sfp_speed_valid(struct bfa_sfp_s * sfp,enum bfa_port_speed portspeed)3952 bfa_sfp_speed_valid(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed) 3953 { 3954 struct sfp_mem_s *sfpmem = (struct sfp_mem_s *)sfp->dbuf_kva; 3955 struct sfp_xcvr_s *xcvr = (struct sfp_xcvr_s *) sfpmem->srlid_base.xcvr; 3956 union sfp_xcvr_fc3_code_u fc3 = xcvr->fc3; 3957 union sfp_xcvr_e10g_code_u e10g = xcvr->e10g; 3958 3959 if (portspeed == BFA_PORT_SPEED_10GBPS) { 3960 if (e10g.r.e10g_sr || e10g.r.e10g_lr) 3961 return BFA_STATUS_OK; 3962 else { 3963 bfa_trc(sfp, e10g.b); 3964 return BFA_STATUS_UNSUPP_SPEED; 3965 } 3966 } 3967 if (((portspeed & BFA_PORT_SPEED_16GBPS) && fc3.r.mb1600) || 3968 ((portspeed & BFA_PORT_SPEED_8GBPS) && fc3.r.mb800) || 3969 ((portspeed & BFA_PORT_SPEED_4GBPS) && fc3.r.mb400) || 3970 ((portspeed & BFA_PORT_SPEED_2GBPS) && fc3.r.mb200) || 3971 ((portspeed & BFA_PORT_SPEED_1GBPS) && fc3.r.mb100)) 3972 return BFA_STATUS_OK; 3973 else { 3974 bfa_trc(sfp, portspeed); 3975 bfa_trc(sfp, fc3.b); 3976 bfa_trc(sfp, e10g.b); 3977 return BFA_STATUS_UNSUPP_SPEED; 3978 } 3979 } 3980 3981 /* 3982 * SFP hmbox handler 3983 */ 3984 void bfa_sfp_intr(void * sfparg,struct bfi_mbmsg_s * msg)3985 bfa_sfp_intr(void *sfparg, struct bfi_mbmsg_s *msg) 3986 { 3987 struct bfa_sfp_s *sfp = sfparg; 3988 3989 switch (msg->mh.msg_id) { 3990 case BFI_SFP_I2H_SHOW: 3991 bfa_sfp_show_comp(sfp, msg); 3992 break; 3993 3994 case BFI_SFP_I2H_SCN: 3995 bfa_sfp_scn(sfp, msg); 3996 break; 3997 3998 default: 3999 bfa_trc(sfp, msg->mh.msg_id); 4000 WARN_ON(1); 4001 } 4002 } 4003 4004 /* 4005 * Return DMA memory needed by sfp module. 4006 */ 4007 u32 bfa_sfp_meminfo(void)4008 bfa_sfp_meminfo(void) 4009 { 4010 return BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4011 } 4012 4013 /* 4014 * Attach virtual and physical memory for SFP. 4015 */ 4016 void bfa_sfp_attach(struct bfa_sfp_s * sfp,struct bfa_ioc_s * ioc,void * dev,struct bfa_trc_mod_s * trcmod)4017 bfa_sfp_attach(struct bfa_sfp_s *sfp, struct bfa_ioc_s *ioc, void *dev, 4018 struct bfa_trc_mod_s *trcmod) 4019 { 4020 sfp->dev = dev; 4021 sfp->ioc = ioc; 4022 sfp->trcmod = trcmod; 4023 4024 sfp->cbfn = NULL; 4025 sfp->cbarg = NULL; 4026 sfp->sfpmem = NULL; 4027 sfp->lock = 0; 4028 sfp->data_valid = 0; 4029 sfp->state = BFA_SFP_STATE_INIT; 4030 sfp->state_query_lock = 0; 4031 sfp->state_query_cbfn = NULL; 4032 sfp->state_query_cbarg = NULL; 4033 sfp->media = NULL; 4034 sfp->portspeed = BFA_PORT_SPEED_UNKNOWN; 4035 sfp->is_elb = BFA_FALSE; 4036 4037 bfa_ioc_mbox_regisr(sfp->ioc, BFI_MC_SFP, bfa_sfp_intr, sfp); 4038 bfa_q_qe_init(&sfp->ioc_notify); 4039 bfa_ioc_notify_init(&sfp->ioc_notify, bfa_sfp_notify, sfp); 4040 list_add_tail(&sfp->ioc_notify.qe, &sfp->ioc->notify_q); 4041 } 4042 4043 /* 4044 * Claim Memory for SFP 4045 */ 4046 void bfa_sfp_memclaim(struct bfa_sfp_s * sfp,u8 * dm_kva,u64 dm_pa)4047 bfa_sfp_memclaim(struct bfa_sfp_s *sfp, u8 *dm_kva, u64 dm_pa) 4048 { 4049 sfp->dbuf_kva = dm_kva; 4050 sfp->dbuf_pa = dm_pa; 4051 memset(sfp->dbuf_kva, 0, sizeof(struct sfp_mem_s)); 4052 4053 dm_kva += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4054 dm_pa += BFA_ROUNDUP(sizeof(struct sfp_mem_s), BFA_DMA_ALIGN_SZ); 4055 } 4056 4057 /* 4058 * Show SFP eeprom content 4059 * 4060 * @param[in] sfp - bfa sfp module 4061 * 4062 * @param[out] sfpmem - sfp eeprom data 4063 * 4064 */ 4065 bfa_status_t bfa_sfp_show(struct bfa_sfp_s * sfp,struct sfp_mem_s * sfpmem,bfa_cb_sfp_t cbfn,void * cbarg)4066 bfa_sfp_show(struct bfa_sfp_s *sfp, struct sfp_mem_s *sfpmem, 4067 bfa_cb_sfp_t cbfn, void *cbarg) 4068 { 4069 4070 if (!bfa_ioc_is_operational(sfp->ioc)) { 4071 bfa_trc(sfp, 0); 4072 return BFA_STATUS_IOC_NON_OP; 4073 } 4074 4075 if (sfp->lock) { 4076 bfa_trc(sfp, 0); 4077 return BFA_STATUS_DEVBUSY; 4078 } 4079 4080 sfp->cbfn = cbfn; 4081 sfp->cbarg = cbarg; 4082 sfp->sfpmem = sfpmem; 4083 4084 bfa_sfp_getdata(sfp, BFI_SFP_MEM_DIAGEXT); 4085 return BFA_STATUS_OK; 4086 } 4087 4088 /* 4089 * Return SFP Media type 4090 * 4091 * @param[in] sfp - bfa sfp module 4092 * 4093 * @param[out] media - port speed from user 4094 * 4095 */ 4096 bfa_status_t bfa_sfp_media(struct bfa_sfp_s * sfp,enum bfa_defs_sfp_media_e * media,bfa_cb_sfp_t cbfn,void * cbarg)4097 bfa_sfp_media(struct bfa_sfp_s *sfp, enum bfa_defs_sfp_media_e *media, 4098 bfa_cb_sfp_t cbfn, void *cbarg) 4099 { 4100 if (!bfa_ioc_is_operational(sfp->ioc)) { 4101 bfa_trc(sfp, 0); 4102 return BFA_STATUS_IOC_NON_OP; 4103 } 4104 4105 sfp->media = media; 4106 if (sfp->state == BFA_SFP_STATE_INIT) { 4107 if (sfp->state_query_lock) { 4108 bfa_trc(sfp, 0); 4109 return BFA_STATUS_DEVBUSY; 4110 } else { 4111 sfp->state_query_cbfn = cbfn; 4112 sfp->state_query_cbarg = cbarg; 4113 bfa_sfp_state_query(sfp); 4114 return BFA_STATUS_SFP_NOT_READY; 4115 } 4116 } 4117 4118 bfa_sfp_media_get(sfp); 4119 return BFA_STATUS_OK; 4120 } 4121 4122 /* 4123 * Check if user set port speed is allowed by the SFP 4124 * 4125 * @param[in] sfp - bfa sfp module 4126 * @param[in] portspeed - port speed from user 4127 * 4128 */ 4129 bfa_status_t bfa_sfp_speed(struct bfa_sfp_s * sfp,enum bfa_port_speed portspeed,bfa_cb_sfp_t cbfn,void * cbarg)4130 bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed, 4131 bfa_cb_sfp_t cbfn, void *cbarg) 4132 { 4133 WARN_ON(portspeed == BFA_PORT_SPEED_UNKNOWN); 4134 4135 if (!bfa_ioc_is_operational(sfp->ioc)) 4136 return BFA_STATUS_IOC_NON_OP; 4137 4138 /* For Mezz card, all speed is allowed */ 4139 if (bfa_mfg_is_mezz(sfp->ioc->attr->card_type)) 4140 return BFA_STATUS_OK; 4141 4142 /* Check SFP state */ 4143 sfp->portspeed = portspeed; 4144 if (sfp->state == BFA_SFP_STATE_INIT) { 4145 if (sfp->state_query_lock) { 4146 bfa_trc(sfp, 0); 4147 return BFA_STATUS_DEVBUSY; 4148 } else { 4149 sfp->state_query_cbfn = cbfn; 4150 sfp->state_query_cbarg = cbarg; 4151 bfa_sfp_state_query(sfp); 4152 return BFA_STATUS_SFP_NOT_READY; 4153 } 4154 } 4155 4156 if (sfp->state == BFA_SFP_STATE_REMOVED || 4157 sfp->state == BFA_SFP_STATE_FAILED) { 4158 bfa_trc(sfp, sfp->state); 4159 return BFA_STATUS_NO_SFP_DEV; 4160 } 4161 4162 if (sfp->state == BFA_SFP_STATE_INSERTED) { 4163 bfa_trc(sfp, sfp->state); 4164 return BFA_STATUS_DEVBUSY; /* sfp is reading data */ 4165 } 4166 4167 /* For eloopback, all speed is allowed */ 4168 if (sfp->is_elb) 4169 return BFA_STATUS_OK; 4170 4171 return bfa_sfp_speed_valid(sfp, portspeed); 4172 } 4173 4174 /* 4175 * Flash module specific 4176 */ 4177 4178 /* 4179 * FLASH DMA buffer should be big enough to hold both MFG block and 4180 * asic block(64k) at the same time and also should be 2k aligned to 4181 * avoid write segement to cross sector boundary. 4182 */ 4183 #define BFA_FLASH_SEG_SZ 2048 4184 #define BFA_FLASH_DMA_BUF_SZ \ 4185 BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ) 4186 4187 static void bfa_flash_aen_audit_post(struct bfa_ioc_s * ioc,enum bfa_audit_aen_event event,int inst,int type)4188 bfa_flash_aen_audit_post(struct bfa_ioc_s *ioc, enum bfa_audit_aen_event event, 4189 int inst, int type) 4190 { 4191 struct bfad_s *bfad = (struct bfad_s *)ioc->bfa->bfad; 4192 struct bfa_aen_entry_s *aen_entry; 4193 4194 bfad_get_aen_entry(bfad, aen_entry); 4195 if (!aen_entry) 4196 return; 4197 4198 aen_entry->aen_data.audit.pwwn = ioc->attr->pwwn; 4199 aen_entry->aen_data.audit.partition_inst = inst; 4200 aen_entry->aen_data.audit.partition_type = type; 4201 4202 /* Send the AEN notification */ 4203 bfad_im_post_vendor_event(aen_entry, bfad, ++ioc->ioc_aen_seq, 4204 BFA_AEN_CAT_AUDIT, event); 4205 } 4206 4207 static void bfa_flash_cb(struct bfa_flash_s * flash)4208 bfa_flash_cb(struct bfa_flash_s *flash) 4209 { 4210 flash->op_busy = 0; 4211 if (flash->cbfn) 4212 flash->cbfn(flash->cbarg, flash->status); 4213 } 4214 4215 static void bfa_flash_notify(void * cbarg,enum bfa_ioc_event_e event)4216 bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event) 4217 { 4218 struct bfa_flash_s *flash = cbarg; 4219 4220 bfa_trc(flash, event); 4221 switch (event) { 4222 case BFA_IOC_E_DISABLED: 4223 case BFA_IOC_E_FAILED: 4224 if (flash->op_busy) { 4225 flash->status = BFA_STATUS_IOC_FAILURE; 4226 flash->cbfn(flash->cbarg, flash->status); 4227 flash->op_busy = 0; 4228 } 4229 break; 4230 4231 default: 4232 break; 4233 } 4234 } 4235 4236 /* 4237 * Send flash attribute query request. 4238 * 4239 * @param[in] cbarg - callback argument 4240 */ 4241 static void bfa_flash_query_send(void * cbarg)4242 bfa_flash_query_send(void *cbarg) 4243 { 4244 struct bfa_flash_s *flash = cbarg; 4245 struct bfi_flash_query_req_s *msg = 4246 (struct bfi_flash_query_req_s *) flash->mb.msg; 4247 4248 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ, 4249 bfa_ioc_portid(flash->ioc)); 4250 bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s), 4251 flash->dbuf_pa); 4252 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4253 } 4254 4255 /* 4256 * Send flash write request. 4257 * 4258 * @param[in] cbarg - callback argument 4259 */ 4260 static void bfa_flash_write_send(struct bfa_flash_s * flash)4261 bfa_flash_write_send(struct bfa_flash_s *flash) 4262 { 4263 struct bfi_flash_write_req_s *msg = 4264 (struct bfi_flash_write_req_s *) flash->mb.msg; 4265 u32 len; 4266 4267 msg->type = be32_to_cpu(flash->type); 4268 msg->instance = flash->instance; 4269 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4270 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4271 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4272 msg->length = be32_to_cpu(len); 4273 4274 /* indicate if it's the last msg of the whole write operation */ 4275 msg->last = (len == flash->residue) ? 1 : 0; 4276 4277 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ, 4278 bfa_ioc_portid(flash->ioc)); 4279 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4280 memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len); 4281 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4282 4283 flash->residue -= len; 4284 flash->offset += len; 4285 } 4286 4287 /* 4288 * Send flash read request. 4289 * 4290 * @param[in] cbarg - callback argument 4291 */ 4292 static void bfa_flash_read_send(void * cbarg)4293 bfa_flash_read_send(void *cbarg) 4294 { 4295 struct bfa_flash_s *flash = cbarg; 4296 struct bfi_flash_read_req_s *msg = 4297 (struct bfi_flash_read_req_s *) flash->mb.msg; 4298 u32 len; 4299 4300 msg->type = be32_to_cpu(flash->type); 4301 msg->instance = flash->instance; 4302 msg->offset = be32_to_cpu(flash->addr_off + flash->offset); 4303 len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ? 4304 flash->residue : BFA_FLASH_DMA_BUF_SZ; 4305 msg->length = be32_to_cpu(len); 4306 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ, 4307 bfa_ioc_portid(flash->ioc)); 4308 bfa_alen_set(&msg->alen, len, flash->dbuf_pa); 4309 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4310 } 4311 4312 /* 4313 * Send flash erase request. 4314 * 4315 * @param[in] cbarg - callback argument 4316 */ 4317 static void bfa_flash_erase_send(void * cbarg)4318 bfa_flash_erase_send(void *cbarg) 4319 { 4320 struct bfa_flash_s *flash = cbarg; 4321 struct bfi_flash_erase_req_s *msg = 4322 (struct bfi_flash_erase_req_s *) flash->mb.msg; 4323 4324 msg->type = be32_to_cpu(flash->type); 4325 msg->instance = flash->instance; 4326 bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ, 4327 bfa_ioc_portid(flash->ioc)); 4328 bfa_ioc_mbox_queue(flash->ioc, &flash->mb); 4329 } 4330 4331 /* 4332 * Process flash response messages upon receiving interrupts. 4333 * 4334 * @param[in] flasharg - flash structure 4335 * @param[in] msg - message structure 4336 */ 4337 static void bfa_flash_intr(void * flasharg,struct bfi_mbmsg_s * msg)4338 bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg) 4339 { 4340 struct bfa_flash_s *flash = flasharg; 4341 u32 status; 4342 4343 union { 4344 struct bfi_flash_query_rsp_s *query; 4345 struct bfi_flash_erase_rsp_s *erase; 4346 struct bfi_flash_write_rsp_s *write; 4347 struct bfi_flash_read_rsp_s *read; 4348 struct bfi_flash_event_s *event; 4349 struct bfi_mbmsg_s *msg; 4350 } m; 4351 4352 m.msg = msg; 4353 bfa_trc(flash, msg->mh.msg_id); 4354 4355 if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) { 4356 /* receiving response after ioc failure */ 4357 bfa_trc(flash, 0x9999); 4358 return; 4359 } 4360 4361 switch (msg->mh.msg_id) { 4362 case BFI_FLASH_I2H_QUERY_RSP: 4363 status = be32_to_cpu(m.query->status); 4364 bfa_trc(flash, status); 4365 if (status == BFA_STATUS_OK) { 4366 u32 i; 4367 struct bfa_flash_attr_s *attr, *f; 4368 4369 attr = (struct bfa_flash_attr_s *) flash->ubuf; 4370 f = (struct bfa_flash_attr_s *) flash->dbuf_kva; 4371 attr->status = be32_to_cpu(f->status); 4372 attr->npart = be32_to_cpu(f->npart); 4373 bfa_trc(flash, attr->status); 4374 bfa_trc(flash, attr->npart); 4375 for (i = 0; i < attr->npart; i++) { 4376 attr->part[i].part_type = 4377 be32_to_cpu(f->part[i].part_type); 4378 attr->part[i].part_instance = 4379 be32_to_cpu(f->part[i].part_instance); 4380 attr->part[i].part_off = 4381 be32_to_cpu(f->part[i].part_off); 4382 attr->part[i].part_size = 4383 be32_to_cpu(f->part[i].part_size); 4384 attr->part[i].part_len = 4385 be32_to_cpu(f->part[i].part_len); 4386 attr->part[i].part_status = 4387 be32_to_cpu(f->part[i].part_status); 4388 } 4389 } 4390 flash->status = status; 4391 bfa_flash_cb(flash); 4392 break; 4393 case BFI_FLASH_I2H_ERASE_RSP: 4394 status = be32_to_cpu(m.erase->status); 4395 bfa_trc(flash, status); 4396 flash->status = status; 4397 bfa_flash_cb(flash); 4398 break; 4399 case BFI_FLASH_I2H_WRITE_RSP: 4400 status = be32_to_cpu(m.write->status); 4401 bfa_trc(flash, status); 4402 if (status != BFA_STATUS_OK || flash->residue == 0) { 4403 flash->status = status; 4404 bfa_flash_cb(flash); 4405 } else { 4406 bfa_trc(flash, flash->offset); 4407 bfa_flash_write_send(flash); 4408 } 4409 break; 4410 case BFI_FLASH_I2H_READ_RSP: 4411 status = be32_to_cpu(m.read->status); 4412 bfa_trc(flash, status); 4413 if (status != BFA_STATUS_OK) { 4414 flash->status = status; 4415 bfa_flash_cb(flash); 4416 } else { 4417 u32 len = be32_to_cpu(m.read->length); 4418 bfa_trc(flash, flash->offset); 4419 bfa_trc(flash, len); 4420 memcpy(flash->ubuf + flash->offset, 4421 flash->dbuf_kva, len); 4422 flash->residue -= len; 4423 flash->offset += len; 4424 if (flash->residue == 0) { 4425 flash->status = status; 4426 bfa_flash_cb(flash); 4427 } else 4428 bfa_flash_read_send(flash); 4429 } 4430 break; 4431 case BFI_FLASH_I2H_BOOT_VER_RSP: 4432 break; 4433 case BFI_FLASH_I2H_EVENT: 4434 status = be32_to_cpu(m.event->status); 4435 bfa_trc(flash, status); 4436 if (status == BFA_STATUS_BAD_FWCFG) 4437 bfa_ioc_aen_post(flash->ioc, BFA_IOC_AEN_FWCFG_ERROR); 4438 else if (status == BFA_STATUS_INVALID_VENDOR) { 4439 u32 param; 4440 param = be32_to_cpu(m.event->param); 4441 bfa_trc(flash, param); 4442 bfa_ioc_aen_post(flash->ioc, 4443 BFA_IOC_AEN_INVALID_VENDOR); 4444 } 4445 break; 4446 4447 default: 4448 WARN_ON(1); 4449 } 4450 } 4451 4452 /* 4453 * Flash memory info API. 4454 * 4455 * @param[in] mincfg - minimal cfg variable 4456 */ 4457 u32 bfa_flash_meminfo(bfa_boolean_t mincfg)4458 bfa_flash_meminfo(bfa_boolean_t mincfg) 4459 { 4460 /* min driver doesn't need flash */ 4461 if (mincfg) 4462 return 0; 4463 return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4464 } 4465 4466 /* 4467 * Flash attach API. 4468 * 4469 * @param[in] flash - flash structure 4470 * @param[in] ioc - ioc structure 4471 * @param[in] dev - device structure 4472 * @param[in] trcmod - trace module 4473 * @param[in] logmod - log module 4474 */ 4475 void bfa_flash_attach(struct bfa_flash_s * flash,struct bfa_ioc_s * ioc,void * dev,struct bfa_trc_mod_s * trcmod,bfa_boolean_t mincfg)4476 bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc, void *dev, 4477 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 4478 { 4479 flash->ioc = ioc; 4480 flash->trcmod = trcmod; 4481 flash->cbfn = NULL; 4482 flash->cbarg = NULL; 4483 flash->op_busy = 0; 4484 4485 bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash); 4486 bfa_q_qe_init(&flash->ioc_notify); 4487 bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash); 4488 list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); 4489 4490 /* min driver doesn't need flash */ 4491 if (mincfg) { 4492 flash->dbuf_kva = NULL; 4493 flash->dbuf_pa = 0; 4494 } 4495 } 4496 4497 /* 4498 * Claim memory for flash 4499 * 4500 * @param[in] flash - flash structure 4501 * @param[in] dm_kva - pointer to virtual memory address 4502 * @param[in] dm_pa - physical memory address 4503 * @param[in] mincfg - minimal cfg variable 4504 */ 4505 void bfa_flash_memclaim(struct bfa_flash_s * flash,u8 * dm_kva,u64 dm_pa,bfa_boolean_t mincfg)4506 bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa, 4507 bfa_boolean_t mincfg) 4508 { 4509 if (mincfg) 4510 return; 4511 4512 flash->dbuf_kva = dm_kva; 4513 flash->dbuf_pa = dm_pa; 4514 memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ); 4515 dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4516 dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 4517 } 4518 4519 /* 4520 * Get flash attribute. 4521 * 4522 * @param[in] flash - flash structure 4523 * @param[in] attr - flash attribute structure 4524 * @param[in] cbfn - callback function 4525 * @param[in] cbarg - callback argument 4526 * 4527 * Return status. 4528 */ 4529 bfa_status_t bfa_flash_get_attr(struct bfa_flash_s * flash,struct bfa_flash_attr_s * attr,bfa_cb_flash_t cbfn,void * cbarg)4530 bfa_flash_get_attr(struct bfa_flash_s *flash, struct bfa_flash_attr_s *attr, 4531 bfa_cb_flash_t cbfn, void *cbarg) 4532 { 4533 bfa_trc(flash, BFI_FLASH_H2I_QUERY_REQ); 4534 4535 if (!bfa_ioc_is_operational(flash->ioc)) 4536 return BFA_STATUS_IOC_NON_OP; 4537 4538 if (flash->op_busy) { 4539 bfa_trc(flash, flash->op_busy); 4540 return BFA_STATUS_DEVBUSY; 4541 } 4542 4543 flash->op_busy = 1; 4544 flash->cbfn = cbfn; 4545 flash->cbarg = cbarg; 4546 flash->ubuf = (u8 *) attr; 4547 bfa_flash_query_send(flash); 4548 4549 return BFA_STATUS_OK; 4550 } 4551 4552 /* 4553 * Erase flash partition. 4554 * 4555 * @param[in] flash - flash structure 4556 * @param[in] type - flash partition type 4557 * @param[in] instance - flash partition instance 4558 * @param[in] cbfn - callback function 4559 * @param[in] cbarg - callback argument 4560 * 4561 * Return status. 4562 */ 4563 bfa_status_t bfa_flash_erase_part(struct bfa_flash_s * flash,enum bfa_flash_part_type type,u8 instance,bfa_cb_flash_t cbfn,void * cbarg)4564 bfa_flash_erase_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4565 u8 instance, bfa_cb_flash_t cbfn, void *cbarg) 4566 { 4567 bfa_trc(flash, BFI_FLASH_H2I_ERASE_REQ); 4568 bfa_trc(flash, type); 4569 bfa_trc(flash, instance); 4570 4571 if (!bfa_ioc_is_operational(flash->ioc)) 4572 return BFA_STATUS_IOC_NON_OP; 4573 4574 if (flash->op_busy) { 4575 bfa_trc(flash, flash->op_busy); 4576 return BFA_STATUS_DEVBUSY; 4577 } 4578 4579 flash->op_busy = 1; 4580 flash->cbfn = cbfn; 4581 flash->cbarg = cbarg; 4582 flash->type = type; 4583 flash->instance = instance; 4584 4585 bfa_flash_erase_send(flash); 4586 bfa_flash_aen_audit_post(flash->ioc, BFA_AUDIT_AEN_FLASH_ERASE, 4587 instance, type); 4588 return BFA_STATUS_OK; 4589 } 4590 4591 /* 4592 * Update flash partition. 4593 * 4594 * @param[in] flash - flash structure 4595 * @param[in] type - flash partition type 4596 * @param[in] instance - flash partition instance 4597 * @param[in] buf - update data buffer 4598 * @param[in] len - data buffer length 4599 * @param[in] offset - offset relative to the partition starting address 4600 * @param[in] cbfn - callback function 4601 * @param[in] cbarg - callback argument 4602 * 4603 * Return status. 4604 */ 4605 bfa_status_t bfa_flash_update_part(struct bfa_flash_s * flash,enum bfa_flash_part_type type,u8 instance,void * buf,u32 len,u32 offset,bfa_cb_flash_t cbfn,void * cbarg)4606 bfa_flash_update_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4607 u8 instance, void *buf, u32 len, u32 offset, 4608 bfa_cb_flash_t cbfn, void *cbarg) 4609 { 4610 bfa_trc(flash, BFI_FLASH_H2I_WRITE_REQ); 4611 bfa_trc(flash, type); 4612 bfa_trc(flash, instance); 4613 bfa_trc(flash, len); 4614 bfa_trc(flash, offset); 4615 4616 if (!bfa_ioc_is_operational(flash->ioc)) 4617 return BFA_STATUS_IOC_NON_OP; 4618 4619 /* 4620 * 'len' must be in word (4-byte) boundary 4621 * 'offset' must be in sector (16kb) boundary 4622 */ 4623 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4624 return BFA_STATUS_FLASH_BAD_LEN; 4625 4626 if (type == BFA_FLASH_PART_MFG) 4627 return BFA_STATUS_EINVAL; 4628 4629 if (flash->op_busy) { 4630 bfa_trc(flash, flash->op_busy); 4631 return BFA_STATUS_DEVBUSY; 4632 } 4633 4634 flash->op_busy = 1; 4635 flash->cbfn = cbfn; 4636 flash->cbarg = cbarg; 4637 flash->type = type; 4638 flash->instance = instance; 4639 flash->residue = len; 4640 flash->offset = 0; 4641 flash->addr_off = offset; 4642 flash->ubuf = buf; 4643 4644 bfa_flash_write_send(flash); 4645 return BFA_STATUS_OK; 4646 } 4647 4648 /* 4649 * Read flash partition. 4650 * 4651 * @param[in] flash - flash structure 4652 * @param[in] type - flash partition type 4653 * @param[in] instance - flash partition instance 4654 * @param[in] buf - read data buffer 4655 * @param[in] len - data buffer length 4656 * @param[in] offset - offset relative to the partition starting address 4657 * @param[in] cbfn - callback function 4658 * @param[in] cbarg - callback argument 4659 * 4660 * Return status. 4661 */ 4662 bfa_status_t bfa_flash_read_part(struct bfa_flash_s * flash,enum bfa_flash_part_type type,u8 instance,void * buf,u32 len,u32 offset,bfa_cb_flash_t cbfn,void * cbarg)4663 bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, 4664 u8 instance, void *buf, u32 len, u32 offset, 4665 bfa_cb_flash_t cbfn, void *cbarg) 4666 { 4667 bfa_trc(flash, BFI_FLASH_H2I_READ_REQ); 4668 bfa_trc(flash, type); 4669 bfa_trc(flash, instance); 4670 bfa_trc(flash, len); 4671 bfa_trc(flash, offset); 4672 4673 if (!bfa_ioc_is_operational(flash->ioc)) 4674 return BFA_STATUS_IOC_NON_OP; 4675 4676 /* 4677 * 'len' must be in word (4-byte) boundary 4678 * 'offset' must be in sector (16kb) boundary 4679 */ 4680 if (!len || (len & 0x03) || (offset & 0x00003FFF)) 4681 return BFA_STATUS_FLASH_BAD_LEN; 4682 4683 if (flash->op_busy) { 4684 bfa_trc(flash, flash->op_busy); 4685 return BFA_STATUS_DEVBUSY; 4686 } 4687 4688 flash->op_busy = 1; 4689 flash->cbfn = cbfn; 4690 flash->cbarg = cbarg; 4691 flash->type = type; 4692 flash->instance = instance; 4693 flash->residue = len; 4694 flash->offset = 0; 4695 flash->addr_off = offset; 4696 flash->ubuf = buf; 4697 bfa_flash_read_send(flash); 4698 4699 return BFA_STATUS_OK; 4700 } 4701 4702 /* 4703 * DIAG module specific 4704 */ 4705 4706 #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */ 4707 #define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */ 4708 4709 /* IOC event handler */ 4710 static void bfa_diag_notify(void * diag_arg,enum bfa_ioc_event_e event)4711 bfa_diag_notify(void *diag_arg, enum bfa_ioc_event_e event) 4712 { 4713 struct bfa_diag_s *diag = diag_arg; 4714 4715 bfa_trc(diag, event); 4716 bfa_trc(diag, diag->block); 4717 bfa_trc(diag, diag->fwping.lock); 4718 bfa_trc(diag, diag->tsensor.lock); 4719 4720 switch (event) { 4721 case BFA_IOC_E_DISABLED: 4722 case BFA_IOC_E_FAILED: 4723 if (diag->fwping.lock) { 4724 diag->fwping.status = BFA_STATUS_IOC_FAILURE; 4725 diag->fwping.cbfn(diag->fwping.cbarg, 4726 diag->fwping.status); 4727 diag->fwping.lock = 0; 4728 } 4729 4730 if (diag->tsensor.lock) { 4731 diag->tsensor.status = BFA_STATUS_IOC_FAILURE; 4732 diag->tsensor.cbfn(diag->tsensor.cbarg, 4733 diag->tsensor.status); 4734 diag->tsensor.lock = 0; 4735 } 4736 4737 if (diag->block) { 4738 if (diag->timer_active) { 4739 bfa_timer_stop(&diag->timer); 4740 diag->timer_active = 0; 4741 } 4742 4743 diag->status = BFA_STATUS_IOC_FAILURE; 4744 diag->cbfn(diag->cbarg, diag->status); 4745 diag->block = 0; 4746 } 4747 break; 4748 4749 default: 4750 break; 4751 } 4752 } 4753 4754 static void bfa_diag_memtest_done(void * cbarg)4755 bfa_diag_memtest_done(void *cbarg) 4756 { 4757 struct bfa_diag_s *diag = cbarg; 4758 struct bfa_ioc_s *ioc = diag->ioc; 4759 struct bfa_diag_memtest_result *res = diag->result; 4760 u32 loff = BFI_BOOT_MEMTEST_RES_ADDR; 4761 u32 pgnum, i; 4762 4763 pgnum = PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, loff); 4764 writel(pgnum, ioc->ioc_regs.host_page_num_fn); 4765 4766 for (i = 0; i < (sizeof(struct bfa_diag_memtest_result) / 4767 sizeof(u32)); i++) { 4768 /* read test result from smem */ 4769 *((u32 *) res + i) = 4770 bfa_mem_read(ioc->ioc_regs.smem_page_start, loff); 4771 loff += sizeof(u32); 4772 } 4773 4774 /* Reset IOC fwstates to BFI_IOC_UNINIT */ 4775 bfa_ioc_reset_fwstate(ioc); 4776 4777 res->status = swab32(res->status); 4778 bfa_trc(diag, res->status); 4779 4780 if (res->status == BFI_BOOT_MEMTEST_RES_SIG) 4781 diag->status = BFA_STATUS_OK; 4782 else { 4783 diag->status = BFA_STATUS_MEMTEST_FAILED; 4784 res->addr = swab32(res->addr); 4785 res->exp = swab32(res->exp); 4786 res->act = swab32(res->act); 4787 res->err_status = swab32(res->err_status); 4788 res->err_status1 = swab32(res->err_status1); 4789 res->err_addr = swab32(res->err_addr); 4790 bfa_trc(diag, res->addr); 4791 bfa_trc(diag, res->exp); 4792 bfa_trc(diag, res->act); 4793 bfa_trc(diag, res->err_status); 4794 bfa_trc(diag, res->err_status1); 4795 bfa_trc(diag, res->err_addr); 4796 } 4797 diag->timer_active = 0; 4798 diag->cbfn(diag->cbarg, diag->status); 4799 diag->block = 0; 4800 } 4801 4802 /* 4803 * Firmware ping 4804 */ 4805 4806 /* 4807 * Perform DMA test directly 4808 */ 4809 static void diag_fwping_send(struct bfa_diag_s * diag)4810 diag_fwping_send(struct bfa_diag_s *diag) 4811 { 4812 struct bfi_diag_fwping_req_s *fwping_req; 4813 u32 i; 4814 4815 bfa_trc(diag, diag->fwping.dbuf_pa); 4816 4817 /* fill DMA area with pattern */ 4818 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) 4819 *((u32 *)diag->fwping.dbuf_kva + i) = diag->fwping.data; 4820 4821 /* Fill mbox msg */ 4822 fwping_req = (struct bfi_diag_fwping_req_s *)diag->fwping.mbcmd.msg; 4823 4824 /* Setup SG list */ 4825 bfa_alen_set(&fwping_req->alen, BFI_DIAG_DMA_BUF_SZ, 4826 diag->fwping.dbuf_pa); 4827 /* Set up dma count */ 4828 fwping_req->count = cpu_to_be32(diag->fwping.count); 4829 /* Set up data pattern */ 4830 fwping_req->data = diag->fwping.data; 4831 4832 /* build host command */ 4833 bfi_h2i_set(fwping_req->mh, BFI_MC_DIAG, BFI_DIAG_H2I_FWPING, 4834 bfa_ioc_portid(diag->ioc)); 4835 4836 /* send mbox cmd */ 4837 bfa_ioc_mbox_queue(diag->ioc, &diag->fwping.mbcmd); 4838 } 4839 4840 static void diag_fwping_comp(struct bfa_diag_s * diag,struct bfi_diag_fwping_rsp_s * diag_rsp)4841 diag_fwping_comp(struct bfa_diag_s *diag, 4842 struct bfi_diag_fwping_rsp_s *diag_rsp) 4843 { 4844 u32 rsp_data = diag_rsp->data; 4845 u8 rsp_dma_status = diag_rsp->dma_status; 4846 4847 bfa_trc(diag, rsp_data); 4848 bfa_trc(diag, rsp_dma_status); 4849 4850 if (rsp_dma_status == BFA_STATUS_OK) { 4851 u32 i, pat; 4852 pat = (diag->fwping.count & 0x1) ? ~(diag->fwping.data) : 4853 diag->fwping.data; 4854 /* Check mbox data */ 4855 if (diag->fwping.data != rsp_data) { 4856 bfa_trc(diag, rsp_data); 4857 diag->fwping.result->dmastatus = 4858 BFA_STATUS_DATACORRUPTED; 4859 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4860 diag->fwping.cbfn(diag->fwping.cbarg, 4861 diag->fwping.status); 4862 diag->fwping.lock = 0; 4863 return; 4864 } 4865 /* Check dma pattern */ 4866 for (i = 0; i < (BFI_DIAG_DMA_BUF_SZ >> 2); i++) { 4867 if (*((u32 *)diag->fwping.dbuf_kva + i) != pat) { 4868 bfa_trc(diag, i); 4869 bfa_trc(diag, pat); 4870 bfa_trc(diag, 4871 *((u32 *)diag->fwping.dbuf_kva + i)); 4872 diag->fwping.result->dmastatus = 4873 BFA_STATUS_DATACORRUPTED; 4874 diag->fwping.status = BFA_STATUS_DATACORRUPTED; 4875 diag->fwping.cbfn(diag->fwping.cbarg, 4876 diag->fwping.status); 4877 diag->fwping.lock = 0; 4878 return; 4879 } 4880 } 4881 diag->fwping.result->dmastatus = BFA_STATUS_OK; 4882 diag->fwping.status = BFA_STATUS_OK; 4883 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4884 diag->fwping.lock = 0; 4885 } else { 4886 diag->fwping.status = BFA_STATUS_HDMA_FAILED; 4887 diag->fwping.cbfn(diag->fwping.cbarg, diag->fwping.status); 4888 diag->fwping.lock = 0; 4889 } 4890 } 4891 4892 /* 4893 * Temperature Sensor 4894 */ 4895 4896 static void diag_tempsensor_send(struct bfa_diag_s * diag)4897 diag_tempsensor_send(struct bfa_diag_s *diag) 4898 { 4899 struct bfi_diag_ts_req_s *msg; 4900 4901 msg = (struct bfi_diag_ts_req_s *)diag->tsensor.mbcmd.msg; 4902 bfa_trc(diag, msg->temp); 4903 /* build host command */ 4904 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_TEMPSENSOR, 4905 bfa_ioc_portid(diag->ioc)); 4906 /* send mbox cmd */ 4907 bfa_ioc_mbox_queue(diag->ioc, &diag->tsensor.mbcmd); 4908 } 4909 4910 static void diag_tempsensor_comp(struct bfa_diag_s * diag,bfi_diag_ts_rsp_t * rsp)4911 diag_tempsensor_comp(struct bfa_diag_s *diag, bfi_diag_ts_rsp_t *rsp) 4912 { 4913 if (!diag->tsensor.lock) { 4914 /* receiving response after ioc failure */ 4915 bfa_trc(diag, diag->tsensor.lock); 4916 return; 4917 } 4918 4919 /* 4920 * ASIC junction tempsensor is a reg read operation 4921 * it will always return OK 4922 */ 4923 diag->tsensor.temp->temp = be16_to_cpu(rsp->temp); 4924 diag->tsensor.temp->ts_junc = rsp->ts_junc; 4925 diag->tsensor.temp->ts_brd = rsp->ts_brd; 4926 4927 if (rsp->ts_brd) { 4928 /* tsensor.temp->status is brd_temp status */ 4929 diag->tsensor.temp->status = rsp->status; 4930 if (rsp->status == BFA_STATUS_OK) { 4931 diag->tsensor.temp->brd_temp = 4932 be16_to_cpu(rsp->brd_temp); 4933 } else 4934 diag->tsensor.temp->brd_temp = 0; 4935 } 4936 4937 bfa_trc(diag, rsp->status); 4938 bfa_trc(diag, rsp->ts_junc); 4939 bfa_trc(diag, rsp->temp); 4940 bfa_trc(diag, rsp->ts_brd); 4941 bfa_trc(diag, rsp->brd_temp); 4942 4943 /* tsensor status is always good bcos we always have junction temp */ 4944 diag->tsensor.status = BFA_STATUS_OK; 4945 diag->tsensor.cbfn(diag->tsensor.cbarg, diag->tsensor.status); 4946 diag->tsensor.lock = 0; 4947 } 4948 4949 /* 4950 * LED Test command 4951 */ 4952 static void diag_ledtest_send(struct bfa_diag_s * diag,struct bfa_diag_ledtest_s * ledtest)4953 diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 4954 { 4955 struct bfi_diag_ledtest_req_s *msg; 4956 4957 msg = (struct bfi_diag_ledtest_req_s *)diag->ledtest.mbcmd.msg; 4958 /* build host command */ 4959 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_LEDTEST, 4960 bfa_ioc_portid(diag->ioc)); 4961 4962 /* 4963 * convert the freq from N blinks per 10 sec to 4964 * crossbow ontime value. We do it here because division is need 4965 */ 4966 if (ledtest->freq) 4967 ledtest->freq = 500 / ledtest->freq; 4968 4969 if (ledtest->freq == 0) 4970 ledtest->freq = 1; 4971 4972 bfa_trc(diag, ledtest->freq); 4973 /* mcpy(&ledtest_req->req, ledtest, sizeof(bfa_diag_ledtest_t)); */ 4974 msg->cmd = (u8) ledtest->cmd; 4975 msg->color = (u8) ledtest->color; 4976 msg->portid = bfa_ioc_portid(diag->ioc); 4977 msg->led = ledtest->led; 4978 msg->freq = cpu_to_be16(ledtest->freq); 4979 4980 /* send mbox cmd */ 4981 bfa_ioc_mbox_queue(diag->ioc, &diag->ledtest.mbcmd); 4982 } 4983 4984 static void diag_ledtest_comp(struct bfa_diag_s * diag,struct bfi_diag_ledtest_rsp_s * msg)4985 diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg) 4986 { 4987 bfa_trc(diag, diag->ledtest.lock); 4988 diag->ledtest.lock = BFA_FALSE; 4989 /* no bfa_cb_queue is needed because driver is not waiting */ 4990 } 4991 4992 /* 4993 * Port beaconing 4994 */ 4995 static void diag_portbeacon_send(struct bfa_diag_s * diag,bfa_boolean_t beacon,u32 sec)4996 diag_portbeacon_send(struct bfa_diag_s *diag, bfa_boolean_t beacon, u32 sec) 4997 { 4998 struct bfi_diag_portbeacon_req_s *msg; 4999 5000 msg = (struct bfi_diag_portbeacon_req_s *)diag->beacon.mbcmd.msg; 5001 /* build host command */ 5002 bfi_h2i_set(msg->mh, BFI_MC_DIAG, BFI_DIAG_H2I_PORTBEACON, 5003 bfa_ioc_portid(diag->ioc)); 5004 msg->beacon = beacon; 5005 msg->period = cpu_to_be32(sec); 5006 /* send mbox cmd */ 5007 bfa_ioc_mbox_queue(diag->ioc, &diag->beacon.mbcmd); 5008 } 5009 5010 static void diag_portbeacon_comp(struct bfa_diag_s * diag)5011 diag_portbeacon_comp(struct bfa_diag_s *diag) 5012 { 5013 bfa_trc(diag, diag->beacon.state); 5014 diag->beacon.state = BFA_FALSE; 5015 if (diag->cbfn_beacon) 5016 diag->cbfn_beacon(diag->dev, BFA_FALSE, diag->beacon.link_e2e); 5017 } 5018 5019 /* 5020 * Diag hmbox handler 5021 */ 5022 static void bfa_diag_intr(void * diagarg,struct bfi_mbmsg_s * msg)5023 bfa_diag_intr(void *diagarg, struct bfi_mbmsg_s *msg) 5024 { 5025 struct bfa_diag_s *diag = diagarg; 5026 5027 switch (msg->mh.msg_id) { 5028 case BFI_DIAG_I2H_PORTBEACON: 5029 diag_portbeacon_comp(diag); 5030 break; 5031 case BFI_DIAG_I2H_FWPING: 5032 diag_fwping_comp(diag, (struct bfi_diag_fwping_rsp_s *) msg); 5033 break; 5034 case BFI_DIAG_I2H_TEMPSENSOR: 5035 diag_tempsensor_comp(diag, (bfi_diag_ts_rsp_t *) msg); 5036 break; 5037 case BFI_DIAG_I2H_LEDTEST: 5038 diag_ledtest_comp(diag, (struct bfi_diag_ledtest_rsp_s *) msg); 5039 break; 5040 default: 5041 bfa_trc(diag, msg->mh.msg_id); 5042 WARN_ON(1); 5043 } 5044 } 5045 5046 /* 5047 * Gen RAM Test 5048 * 5049 * @param[in] *diag - diag data struct 5050 * @param[in] *memtest - mem test params input from upper layer, 5051 * @param[in] pattern - mem test pattern 5052 * @param[in] *result - mem test result 5053 * @param[in] cbfn - mem test callback functioin 5054 * @param[in] cbarg - callback functioin arg 5055 * 5056 * @param[out] 5057 */ 5058 bfa_status_t bfa_diag_memtest(struct bfa_diag_s * diag,struct bfa_diag_memtest_s * memtest,u32 pattern,struct bfa_diag_memtest_result * result,bfa_cb_diag_t cbfn,void * cbarg)5059 bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, 5060 u32 pattern, struct bfa_diag_memtest_result *result, 5061 bfa_cb_diag_t cbfn, void *cbarg) 5062 { 5063 u32 memtest_tov; 5064 5065 bfa_trc(diag, pattern); 5066 5067 if (!bfa_ioc_adapter_is_disabled(diag->ioc)) 5068 return BFA_STATUS_ADAPTER_ENABLED; 5069 5070 /* check to see if there is another destructive diag cmd running */ 5071 if (diag->block) { 5072 bfa_trc(diag, diag->block); 5073 return BFA_STATUS_DEVBUSY; 5074 } else 5075 diag->block = 1; 5076 5077 diag->result = result; 5078 diag->cbfn = cbfn; 5079 diag->cbarg = cbarg; 5080 5081 /* download memtest code and take LPU0 out of reset */ 5082 bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS); 5083 5084 memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ? 5085 CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV; 5086 bfa_timer_begin(diag->ioc->timer_mod, &diag->timer, 5087 bfa_diag_memtest_done, diag, memtest_tov); 5088 diag->timer_active = 1; 5089 return BFA_STATUS_OK; 5090 } 5091 5092 /* 5093 * DIAG firmware ping command 5094 * 5095 * @param[in] *diag - diag data struct 5096 * @param[in] cnt - dma loop count for testing PCIE 5097 * @param[in] data - data pattern to pass in fw 5098 * @param[in] *result - pt to bfa_diag_fwping_result_t data struct 5099 * @param[in] cbfn - callback function 5100 * @param[in] *cbarg - callback functioin arg 5101 * 5102 * @param[out] 5103 */ 5104 bfa_status_t bfa_diag_fwping(struct bfa_diag_s * diag,u32 cnt,u32 data,struct bfa_diag_results_fwping * result,bfa_cb_diag_t cbfn,void * cbarg)5105 bfa_diag_fwping(struct bfa_diag_s *diag, u32 cnt, u32 data, 5106 struct bfa_diag_results_fwping *result, bfa_cb_diag_t cbfn, 5107 void *cbarg) 5108 { 5109 bfa_trc(diag, cnt); 5110 bfa_trc(diag, data); 5111 5112 if (!bfa_ioc_is_operational(diag->ioc)) 5113 return BFA_STATUS_IOC_NON_OP; 5114 5115 if (bfa_asic_id_ct2(bfa_ioc_devid((diag->ioc))) && 5116 ((diag->ioc)->clscode == BFI_PCIFN_CLASS_ETH)) 5117 return BFA_STATUS_CMD_NOTSUPP; 5118 5119 /* check to see if there is another destructive diag cmd running */ 5120 if (diag->block || diag->fwping.lock) { 5121 bfa_trc(diag, diag->block); 5122 bfa_trc(diag, diag->fwping.lock); 5123 return BFA_STATUS_DEVBUSY; 5124 } 5125 5126 /* Initialization */ 5127 diag->fwping.lock = 1; 5128 diag->fwping.cbfn = cbfn; 5129 diag->fwping.cbarg = cbarg; 5130 diag->fwping.result = result; 5131 diag->fwping.data = data; 5132 diag->fwping.count = cnt; 5133 5134 /* Init test results */ 5135 diag->fwping.result->data = 0; 5136 diag->fwping.result->status = BFA_STATUS_OK; 5137 5138 /* kick off the first ping */ 5139 diag_fwping_send(diag); 5140 return BFA_STATUS_OK; 5141 } 5142 5143 /* 5144 * Read Temperature Sensor 5145 * 5146 * @param[in] *diag - diag data struct 5147 * @param[in] *result - pt to bfa_diag_temp_t data struct 5148 * @param[in] cbfn - callback function 5149 * @param[in] *cbarg - callback functioin arg 5150 * 5151 * @param[out] 5152 */ 5153 bfa_status_t bfa_diag_tsensor_query(struct bfa_diag_s * diag,struct bfa_diag_results_tempsensor_s * result,bfa_cb_diag_t cbfn,void * cbarg)5154 bfa_diag_tsensor_query(struct bfa_diag_s *diag, 5155 struct bfa_diag_results_tempsensor_s *result, 5156 bfa_cb_diag_t cbfn, void *cbarg) 5157 { 5158 /* check to see if there is a destructive diag cmd running */ 5159 if (diag->block || diag->tsensor.lock) { 5160 bfa_trc(diag, diag->block); 5161 bfa_trc(diag, diag->tsensor.lock); 5162 return BFA_STATUS_DEVBUSY; 5163 } 5164 5165 if (!bfa_ioc_is_operational(diag->ioc)) 5166 return BFA_STATUS_IOC_NON_OP; 5167 5168 /* Init diag mod params */ 5169 diag->tsensor.lock = 1; 5170 diag->tsensor.temp = result; 5171 diag->tsensor.cbfn = cbfn; 5172 diag->tsensor.cbarg = cbarg; 5173 diag->tsensor.status = BFA_STATUS_OK; 5174 5175 /* Send msg to fw */ 5176 diag_tempsensor_send(diag); 5177 5178 return BFA_STATUS_OK; 5179 } 5180 5181 /* 5182 * LED Test command 5183 * 5184 * @param[in] *diag - diag data struct 5185 * @param[in] *ledtest - pt to ledtest data structure 5186 * 5187 * @param[out] 5188 */ 5189 bfa_status_t bfa_diag_ledtest(struct bfa_diag_s * diag,struct bfa_diag_ledtest_s * ledtest)5190 bfa_diag_ledtest(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) 5191 { 5192 bfa_trc(diag, ledtest->cmd); 5193 5194 if (!bfa_ioc_is_operational(diag->ioc)) 5195 return BFA_STATUS_IOC_NON_OP; 5196 5197 if (diag->beacon.state) 5198 return BFA_STATUS_BEACON_ON; 5199 5200 if (diag->ledtest.lock) 5201 return BFA_STATUS_LEDTEST_OP; 5202 5203 /* Send msg to fw */ 5204 diag->ledtest.lock = BFA_TRUE; 5205 diag_ledtest_send(diag, ledtest); 5206 5207 return BFA_STATUS_OK; 5208 } 5209 5210 /* 5211 * Port beaconing command 5212 * 5213 * @param[in] *diag - diag data struct 5214 * @param[in] beacon - port beaconing 1:ON 0:OFF 5215 * @param[in] link_e2e_beacon - link beaconing 1:ON 0:OFF 5216 * @param[in] sec - beaconing duration in seconds 5217 * 5218 * @param[out] 5219 */ 5220 bfa_status_t bfa_diag_beacon_port(struct bfa_diag_s * diag,bfa_boolean_t beacon,bfa_boolean_t link_e2e_beacon,uint32_t sec)5221 bfa_diag_beacon_port(struct bfa_diag_s *diag, bfa_boolean_t beacon, 5222 bfa_boolean_t link_e2e_beacon, uint32_t sec) 5223 { 5224 bfa_trc(diag, beacon); 5225 bfa_trc(diag, link_e2e_beacon); 5226 bfa_trc(diag, sec); 5227 5228 if (!bfa_ioc_is_operational(diag->ioc)) 5229 return BFA_STATUS_IOC_NON_OP; 5230 5231 if (diag->ledtest.lock) 5232 return BFA_STATUS_LEDTEST_OP; 5233 5234 if (diag->beacon.state && beacon) /* beacon alread on */ 5235 return BFA_STATUS_BEACON_ON; 5236 5237 diag->beacon.state = beacon; 5238 diag->beacon.link_e2e = link_e2e_beacon; 5239 if (diag->cbfn_beacon) 5240 diag->cbfn_beacon(diag->dev, beacon, link_e2e_beacon); 5241 5242 /* Send msg to fw */ 5243 diag_portbeacon_send(diag, beacon, sec); 5244 5245 return BFA_STATUS_OK; 5246 } 5247 5248 /* 5249 * Return DMA memory needed by diag module. 5250 */ 5251 u32 bfa_diag_meminfo(void)5252 bfa_diag_meminfo(void) 5253 { 5254 return BFA_ROUNDUP(BFI_DIAG_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5255 } 5256 5257 /* 5258 * Attach virtual and physical memory for Diag. 5259 */ 5260 void bfa_diag_attach(struct bfa_diag_s * diag,struct bfa_ioc_s * ioc,void * dev,bfa_cb_diag_beacon_t cbfn_beacon,struct bfa_trc_mod_s * trcmod)5261 bfa_diag_attach(struct bfa_diag_s *diag, struct bfa_ioc_s *ioc, void *dev, 5262 bfa_cb_diag_beacon_t cbfn_beacon, struct bfa_trc_mod_s *trcmod) 5263 { 5264 diag->dev = dev; 5265 diag->ioc = ioc; 5266 diag->trcmod = trcmod; 5267 5268 diag->block = 0; 5269 diag->cbfn = NULL; 5270 diag->cbarg = NULL; 5271 diag->result = NULL; 5272 diag->cbfn_beacon = cbfn_beacon; 5273 5274 bfa_ioc_mbox_regisr(diag->ioc, BFI_MC_DIAG, bfa_diag_intr, diag); 5275 bfa_q_qe_init(&diag->ioc_notify); 5276 bfa_ioc_notify_init(&diag->ioc_notify, bfa_diag_notify, diag); 5277 list_add_tail(&diag->ioc_notify.qe, &diag->ioc->notify_q); 5278 } 5279 5280 void bfa_diag_memclaim(struct bfa_diag_s * diag,u8 * dm_kva,u64 dm_pa)5281 bfa_diag_memclaim(struct bfa_diag_s *diag, u8 *dm_kva, u64 dm_pa) 5282 { 5283 diag->fwping.dbuf_kva = dm_kva; 5284 diag->fwping.dbuf_pa = dm_pa; 5285 memset(diag->fwping.dbuf_kva, 0, BFI_DIAG_DMA_BUF_SZ); 5286 } 5287 5288 /* 5289 * PHY module specific 5290 */ 5291 #define BFA_PHY_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ 5292 #define BFA_PHY_LOCK_STATUS 0x018878 /* phy semaphore status reg */ 5293 5294 static void bfa_phy_ntoh32(u32 * obuf,u32 * ibuf,int sz)5295 bfa_phy_ntoh32(u32 *obuf, u32 *ibuf, int sz) 5296 { 5297 int i, m = sz >> 2; 5298 5299 for (i = 0; i < m; i++) 5300 obuf[i] = be32_to_cpu(ibuf[i]); 5301 } 5302 5303 static bfa_boolean_t bfa_phy_present(struct bfa_phy_s * phy)5304 bfa_phy_present(struct bfa_phy_s *phy) 5305 { 5306 return (phy->ioc->attr->card_type == BFA_MFG_TYPE_LIGHTNING); 5307 } 5308 5309 static void bfa_phy_notify(void * cbarg,enum bfa_ioc_event_e event)5310 bfa_phy_notify(void *cbarg, enum bfa_ioc_event_e event) 5311 { 5312 struct bfa_phy_s *phy = cbarg; 5313 5314 bfa_trc(phy, event); 5315 5316 switch (event) { 5317 case BFA_IOC_E_DISABLED: 5318 case BFA_IOC_E_FAILED: 5319 if (phy->op_busy) { 5320 phy->status = BFA_STATUS_IOC_FAILURE; 5321 phy->cbfn(phy->cbarg, phy->status); 5322 phy->op_busy = 0; 5323 } 5324 break; 5325 5326 default: 5327 break; 5328 } 5329 } 5330 5331 /* 5332 * Send phy attribute query request. 5333 * 5334 * @param[in] cbarg - callback argument 5335 */ 5336 static void bfa_phy_query_send(void * cbarg)5337 bfa_phy_query_send(void *cbarg) 5338 { 5339 struct bfa_phy_s *phy = cbarg; 5340 struct bfi_phy_query_req_s *msg = 5341 (struct bfi_phy_query_req_s *) phy->mb.msg; 5342 5343 msg->instance = phy->instance; 5344 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_QUERY_REQ, 5345 bfa_ioc_portid(phy->ioc)); 5346 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_attr_s), phy->dbuf_pa); 5347 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5348 } 5349 5350 /* 5351 * Send phy write request. 5352 * 5353 * @param[in] cbarg - callback argument 5354 */ 5355 static void bfa_phy_write_send(void * cbarg)5356 bfa_phy_write_send(void *cbarg) 5357 { 5358 struct bfa_phy_s *phy = cbarg; 5359 struct bfi_phy_write_req_s *msg = 5360 (struct bfi_phy_write_req_s *) phy->mb.msg; 5361 u32 len; 5362 u16 *buf, *dbuf; 5363 int i, sz; 5364 5365 msg->instance = phy->instance; 5366 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5367 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5368 phy->residue : BFA_PHY_DMA_BUF_SZ; 5369 msg->length = cpu_to_be32(len); 5370 5371 /* indicate if it's the last msg of the whole write operation */ 5372 msg->last = (len == phy->residue) ? 1 : 0; 5373 5374 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_WRITE_REQ, 5375 bfa_ioc_portid(phy->ioc)); 5376 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5377 5378 buf = (u16 *) (phy->ubuf + phy->offset); 5379 dbuf = (u16 *)phy->dbuf_kva; 5380 sz = len >> 1; 5381 for (i = 0; i < sz; i++) 5382 buf[i] = cpu_to_be16(dbuf[i]); 5383 5384 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5385 5386 phy->residue -= len; 5387 phy->offset += len; 5388 } 5389 5390 /* 5391 * Send phy read request. 5392 * 5393 * @param[in] cbarg - callback argument 5394 */ 5395 static void bfa_phy_read_send(void * cbarg)5396 bfa_phy_read_send(void *cbarg) 5397 { 5398 struct bfa_phy_s *phy = cbarg; 5399 struct bfi_phy_read_req_s *msg = 5400 (struct bfi_phy_read_req_s *) phy->mb.msg; 5401 u32 len; 5402 5403 msg->instance = phy->instance; 5404 msg->offset = cpu_to_be32(phy->addr_off + phy->offset); 5405 len = (phy->residue < BFA_PHY_DMA_BUF_SZ) ? 5406 phy->residue : BFA_PHY_DMA_BUF_SZ; 5407 msg->length = cpu_to_be32(len); 5408 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_READ_REQ, 5409 bfa_ioc_portid(phy->ioc)); 5410 bfa_alen_set(&msg->alen, len, phy->dbuf_pa); 5411 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5412 } 5413 5414 /* 5415 * Send phy stats request. 5416 * 5417 * @param[in] cbarg - callback argument 5418 */ 5419 static void bfa_phy_stats_send(void * cbarg)5420 bfa_phy_stats_send(void *cbarg) 5421 { 5422 struct bfa_phy_s *phy = cbarg; 5423 struct bfi_phy_stats_req_s *msg = 5424 (struct bfi_phy_stats_req_s *) phy->mb.msg; 5425 5426 msg->instance = phy->instance; 5427 bfi_h2i_set(msg->mh, BFI_MC_PHY, BFI_PHY_H2I_STATS_REQ, 5428 bfa_ioc_portid(phy->ioc)); 5429 bfa_alen_set(&msg->alen, sizeof(struct bfa_phy_stats_s), phy->dbuf_pa); 5430 bfa_ioc_mbox_queue(phy->ioc, &phy->mb); 5431 } 5432 5433 /* 5434 * Flash memory info API. 5435 * 5436 * @param[in] mincfg - minimal cfg variable 5437 */ 5438 u32 bfa_phy_meminfo(bfa_boolean_t mincfg)5439 bfa_phy_meminfo(bfa_boolean_t mincfg) 5440 { 5441 /* min driver doesn't need phy */ 5442 if (mincfg) 5443 return 0; 5444 5445 return BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5446 } 5447 5448 /* 5449 * Flash attach API. 5450 * 5451 * @param[in] phy - phy structure 5452 * @param[in] ioc - ioc structure 5453 * @param[in] dev - device structure 5454 * @param[in] trcmod - trace module 5455 * @param[in] logmod - log module 5456 */ 5457 void bfa_phy_attach(struct bfa_phy_s * phy,struct bfa_ioc_s * ioc,void * dev,struct bfa_trc_mod_s * trcmod,bfa_boolean_t mincfg)5458 bfa_phy_attach(struct bfa_phy_s *phy, struct bfa_ioc_s *ioc, void *dev, 5459 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 5460 { 5461 phy->ioc = ioc; 5462 phy->trcmod = trcmod; 5463 phy->cbfn = NULL; 5464 phy->cbarg = NULL; 5465 phy->op_busy = 0; 5466 5467 bfa_ioc_mbox_regisr(phy->ioc, BFI_MC_PHY, bfa_phy_intr, phy); 5468 bfa_q_qe_init(&phy->ioc_notify); 5469 bfa_ioc_notify_init(&phy->ioc_notify, bfa_phy_notify, phy); 5470 list_add_tail(&phy->ioc_notify.qe, &phy->ioc->notify_q); 5471 5472 /* min driver doesn't need phy */ 5473 if (mincfg) { 5474 phy->dbuf_kva = NULL; 5475 phy->dbuf_pa = 0; 5476 } 5477 } 5478 5479 /* 5480 * Claim memory for phy 5481 * 5482 * @param[in] phy - phy structure 5483 * @param[in] dm_kva - pointer to virtual memory address 5484 * @param[in] dm_pa - physical memory address 5485 * @param[in] mincfg - minimal cfg variable 5486 */ 5487 void bfa_phy_memclaim(struct bfa_phy_s * phy,u8 * dm_kva,u64 dm_pa,bfa_boolean_t mincfg)5488 bfa_phy_memclaim(struct bfa_phy_s *phy, u8 *dm_kva, u64 dm_pa, 5489 bfa_boolean_t mincfg) 5490 { 5491 if (mincfg) 5492 return; 5493 5494 phy->dbuf_kva = dm_kva; 5495 phy->dbuf_pa = dm_pa; 5496 memset(phy->dbuf_kva, 0, BFA_PHY_DMA_BUF_SZ); 5497 dm_kva += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5498 dm_pa += BFA_ROUNDUP(BFA_PHY_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 5499 } 5500 5501 bfa_boolean_t bfa_phy_busy(struct bfa_ioc_s * ioc)5502 bfa_phy_busy(struct bfa_ioc_s *ioc) 5503 { 5504 void __iomem *rb; 5505 5506 rb = bfa_ioc_bar0(ioc); 5507 return readl(rb + BFA_PHY_LOCK_STATUS); 5508 } 5509 5510 /* 5511 * Get phy attribute. 5512 * 5513 * @param[in] phy - phy structure 5514 * @param[in] attr - phy attribute structure 5515 * @param[in] cbfn - callback function 5516 * @param[in] cbarg - callback argument 5517 * 5518 * Return status. 5519 */ 5520 bfa_status_t bfa_phy_get_attr(struct bfa_phy_s * phy,u8 instance,struct bfa_phy_attr_s * attr,bfa_cb_phy_t cbfn,void * cbarg)5521 bfa_phy_get_attr(struct bfa_phy_s *phy, u8 instance, 5522 struct bfa_phy_attr_s *attr, bfa_cb_phy_t cbfn, void *cbarg) 5523 { 5524 bfa_trc(phy, BFI_PHY_H2I_QUERY_REQ); 5525 bfa_trc(phy, instance); 5526 5527 if (!bfa_phy_present(phy)) 5528 return BFA_STATUS_PHY_NOT_PRESENT; 5529 5530 if (!bfa_ioc_is_operational(phy->ioc)) 5531 return BFA_STATUS_IOC_NON_OP; 5532 5533 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5534 bfa_trc(phy, phy->op_busy); 5535 return BFA_STATUS_DEVBUSY; 5536 } 5537 5538 phy->op_busy = 1; 5539 phy->cbfn = cbfn; 5540 phy->cbarg = cbarg; 5541 phy->instance = instance; 5542 phy->ubuf = (uint8_t *) attr; 5543 bfa_phy_query_send(phy); 5544 5545 return BFA_STATUS_OK; 5546 } 5547 5548 /* 5549 * Get phy stats. 5550 * 5551 * @param[in] phy - phy structure 5552 * @param[in] instance - phy image instance 5553 * @param[in] stats - pointer to phy stats 5554 * @param[in] cbfn - callback function 5555 * @param[in] cbarg - callback argument 5556 * 5557 * Return status. 5558 */ 5559 bfa_status_t bfa_phy_get_stats(struct bfa_phy_s * phy,u8 instance,struct bfa_phy_stats_s * stats,bfa_cb_phy_t cbfn,void * cbarg)5560 bfa_phy_get_stats(struct bfa_phy_s *phy, u8 instance, 5561 struct bfa_phy_stats_s *stats, 5562 bfa_cb_phy_t cbfn, void *cbarg) 5563 { 5564 bfa_trc(phy, BFI_PHY_H2I_STATS_REQ); 5565 bfa_trc(phy, instance); 5566 5567 if (!bfa_phy_present(phy)) 5568 return BFA_STATUS_PHY_NOT_PRESENT; 5569 5570 if (!bfa_ioc_is_operational(phy->ioc)) 5571 return BFA_STATUS_IOC_NON_OP; 5572 5573 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5574 bfa_trc(phy, phy->op_busy); 5575 return BFA_STATUS_DEVBUSY; 5576 } 5577 5578 phy->op_busy = 1; 5579 phy->cbfn = cbfn; 5580 phy->cbarg = cbarg; 5581 phy->instance = instance; 5582 phy->ubuf = (u8 *) stats; 5583 bfa_phy_stats_send(phy); 5584 5585 return BFA_STATUS_OK; 5586 } 5587 5588 /* 5589 * Update phy image. 5590 * 5591 * @param[in] phy - phy structure 5592 * @param[in] instance - phy image instance 5593 * @param[in] buf - update data buffer 5594 * @param[in] len - data buffer length 5595 * @param[in] offset - offset relative to starting address 5596 * @param[in] cbfn - callback function 5597 * @param[in] cbarg - callback argument 5598 * 5599 * Return status. 5600 */ 5601 bfa_status_t bfa_phy_update(struct bfa_phy_s * phy,u8 instance,void * buf,u32 len,u32 offset,bfa_cb_phy_t cbfn,void * cbarg)5602 bfa_phy_update(struct bfa_phy_s *phy, u8 instance, 5603 void *buf, u32 len, u32 offset, 5604 bfa_cb_phy_t cbfn, void *cbarg) 5605 { 5606 bfa_trc(phy, BFI_PHY_H2I_WRITE_REQ); 5607 bfa_trc(phy, instance); 5608 bfa_trc(phy, len); 5609 bfa_trc(phy, offset); 5610 5611 if (!bfa_phy_present(phy)) 5612 return BFA_STATUS_PHY_NOT_PRESENT; 5613 5614 if (!bfa_ioc_is_operational(phy->ioc)) 5615 return BFA_STATUS_IOC_NON_OP; 5616 5617 /* 'len' must be in word (4-byte) boundary */ 5618 if (!len || (len & 0x03)) 5619 return BFA_STATUS_FAILED; 5620 5621 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5622 bfa_trc(phy, phy->op_busy); 5623 return BFA_STATUS_DEVBUSY; 5624 } 5625 5626 phy->op_busy = 1; 5627 phy->cbfn = cbfn; 5628 phy->cbarg = cbarg; 5629 phy->instance = instance; 5630 phy->residue = len; 5631 phy->offset = 0; 5632 phy->addr_off = offset; 5633 phy->ubuf = buf; 5634 5635 bfa_phy_write_send(phy); 5636 return BFA_STATUS_OK; 5637 } 5638 5639 /* 5640 * Read phy image. 5641 * 5642 * @param[in] phy - phy structure 5643 * @param[in] instance - phy image instance 5644 * @param[in] buf - read data buffer 5645 * @param[in] len - data buffer length 5646 * @param[in] offset - offset relative to starting address 5647 * @param[in] cbfn - callback function 5648 * @param[in] cbarg - callback argument 5649 * 5650 * Return status. 5651 */ 5652 bfa_status_t bfa_phy_read(struct bfa_phy_s * phy,u8 instance,void * buf,u32 len,u32 offset,bfa_cb_phy_t cbfn,void * cbarg)5653 bfa_phy_read(struct bfa_phy_s *phy, u8 instance, 5654 void *buf, u32 len, u32 offset, 5655 bfa_cb_phy_t cbfn, void *cbarg) 5656 { 5657 bfa_trc(phy, BFI_PHY_H2I_READ_REQ); 5658 bfa_trc(phy, instance); 5659 bfa_trc(phy, len); 5660 bfa_trc(phy, offset); 5661 5662 if (!bfa_phy_present(phy)) 5663 return BFA_STATUS_PHY_NOT_PRESENT; 5664 5665 if (!bfa_ioc_is_operational(phy->ioc)) 5666 return BFA_STATUS_IOC_NON_OP; 5667 5668 /* 'len' must be in word (4-byte) boundary */ 5669 if (!len || (len & 0x03)) 5670 return BFA_STATUS_FAILED; 5671 5672 if (phy->op_busy || bfa_phy_busy(phy->ioc)) { 5673 bfa_trc(phy, phy->op_busy); 5674 return BFA_STATUS_DEVBUSY; 5675 } 5676 5677 phy->op_busy = 1; 5678 phy->cbfn = cbfn; 5679 phy->cbarg = cbarg; 5680 phy->instance = instance; 5681 phy->residue = len; 5682 phy->offset = 0; 5683 phy->addr_off = offset; 5684 phy->ubuf = buf; 5685 bfa_phy_read_send(phy); 5686 5687 return BFA_STATUS_OK; 5688 } 5689 5690 /* 5691 * Process phy response messages upon receiving interrupts. 5692 * 5693 * @param[in] phyarg - phy structure 5694 * @param[in] msg - message structure 5695 */ 5696 void bfa_phy_intr(void * phyarg,struct bfi_mbmsg_s * msg)5697 bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg) 5698 { 5699 struct bfa_phy_s *phy = phyarg; 5700 u32 status; 5701 5702 union { 5703 struct bfi_phy_query_rsp_s *query; 5704 struct bfi_phy_stats_rsp_s *stats; 5705 struct bfi_phy_write_rsp_s *write; 5706 struct bfi_phy_read_rsp_s *read; 5707 struct bfi_mbmsg_s *msg; 5708 } m; 5709 5710 m.msg = msg; 5711 bfa_trc(phy, msg->mh.msg_id); 5712 5713 if (!phy->op_busy) { 5714 /* receiving response after ioc failure */ 5715 bfa_trc(phy, 0x9999); 5716 return; 5717 } 5718 5719 switch (msg->mh.msg_id) { 5720 case BFI_PHY_I2H_QUERY_RSP: 5721 status = be32_to_cpu(m.query->status); 5722 bfa_trc(phy, status); 5723 5724 if (status == BFA_STATUS_OK) { 5725 struct bfa_phy_attr_s *attr = 5726 (struct bfa_phy_attr_s *) phy->ubuf; 5727 bfa_phy_ntoh32((u32 *)attr, (u32 *)phy->dbuf_kva, 5728 sizeof(struct bfa_phy_attr_s)); 5729 bfa_trc(phy, attr->status); 5730 bfa_trc(phy, attr->length); 5731 } 5732 5733 phy->status = status; 5734 phy->op_busy = 0; 5735 if (phy->cbfn) 5736 phy->cbfn(phy->cbarg, phy->status); 5737 break; 5738 case BFI_PHY_I2H_STATS_RSP: 5739 status = be32_to_cpu(m.stats->status); 5740 bfa_trc(phy, status); 5741 5742 if (status == BFA_STATUS_OK) { 5743 struct bfa_phy_stats_s *stats = 5744 (struct bfa_phy_stats_s *) phy->ubuf; 5745 bfa_phy_ntoh32((u32 *)stats, (u32 *)phy->dbuf_kva, 5746 sizeof(struct bfa_phy_stats_s)); 5747 bfa_trc(phy, stats->status); 5748 } 5749 5750 phy->status = status; 5751 phy->op_busy = 0; 5752 if (phy->cbfn) 5753 phy->cbfn(phy->cbarg, phy->status); 5754 break; 5755 case BFI_PHY_I2H_WRITE_RSP: 5756 status = be32_to_cpu(m.write->status); 5757 bfa_trc(phy, status); 5758 5759 if (status != BFA_STATUS_OK || phy->residue == 0) { 5760 phy->status = status; 5761 phy->op_busy = 0; 5762 if (phy->cbfn) 5763 phy->cbfn(phy->cbarg, phy->status); 5764 } else { 5765 bfa_trc(phy, phy->offset); 5766 bfa_phy_write_send(phy); 5767 } 5768 break; 5769 case BFI_PHY_I2H_READ_RSP: 5770 status = be32_to_cpu(m.read->status); 5771 bfa_trc(phy, status); 5772 5773 if (status != BFA_STATUS_OK) { 5774 phy->status = status; 5775 phy->op_busy = 0; 5776 if (phy->cbfn) 5777 phy->cbfn(phy->cbarg, phy->status); 5778 } else { 5779 u32 len = be32_to_cpu(m.read->length); 5780 u16 *buf = (u16 *)(phy->ubuf + phy->offset); 5781 u16 *dbuf = (u16 *)phy->dbuf_kva; 5782 int i, sz = len >> 1; 5783 5784 bfa_trc(phy, phy->offset); 5785 bfa_trc(phy, len); 5786 5787 for (i = 0; i < sz; i++) 5788 buf[i] = be16_to_cpu(dbuf[i]); 5789 5790 phy->residue -= len; 5791 phy->offset += len; 5792 5793 if (phy->residue == 0) { 5794 phy->status = status; 5795 phy->op_busy = 0; 5796 if (phy->cbfn) 5797 phy->cbfn(phy->cbarg, phy->status); 5798 } else 5799 bfa_phy_read_send(phy); 5800 } 5801 break; 5802 default: 5803 WARN_ON(1); 5804 } 5805 } 5806 5807 /* forward declaration of DCONF state machine */ 5808 static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, 5809 enum bfa_dconf_event event); 5810 static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5811 enum bfa_dconf_event event); 5812 static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, 5813 enum bfa_dconf_event event); 5814 static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, 5815 enum bfa_dconf_event event); 5816 static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, 5817 enum bfa_dconf_event event); 5818 static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 5819 enum bfa_dconf_event event); 5820 static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 5821 enum bfa_dconf_event event); 5822 5823 static void bfa_dconf_cbfn(void *dconf, bfa_status_t status); 5824 static void bfa_dconf_timer(void *cbarg); 5825 static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf); 5826 static void bfa_dconf_init_cb(void *arg, bfa_status_t status); 5827 5828 /* 5829 * Beginning state of dconf module. Waiting for an event to start. 5830 */ 5831 static void bfa_dconf_sm_uninit(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5832 bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5833 { 5834 bfa_status_t bfa_status; 5835 bfa_trc(dconf->bfa, event); 5836 5837 switch (event) { 5838 case BFA_DCONF_SM_INIT: 5839 if (dconf->min_cfg) { 5840 bfa_trc(dconf->bfa, dconf->min_cfg); 5841 bfa_fsm_send_event(&dconf->bfa->iocfc, 5842 IOCFC_E_DCONF_DONE); 5843 return; 5844 } 5845 bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read); 5846 bfa_timer_start(dconf->bfa, &dconf->timer, 5847 bfa_dconf_timer, dconf, 2 * BFA_DCONF_UPDATE_TOV); 5848 bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa), 5849 BFA_FLASH_PART_DRV, dconf->instance, 5850 dconf->dconf, 5851 sizeof(struct bfa_dconf_s), 0, 5852 bfa_dconf_init_cb, dconf->bfa); 5853 if (bfa_status != BFA_STATUS_OK) { 5854 bfa_timer_stop(&dconf->timer); 5855 bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED); 5856 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5857 return; 5858 } 5859 break; 5860 case BFA_DCONF_SM_EXIT: 5861 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5862 break; 5863 case BFA_DCONF_SM_IOCDISABLE: 5864 case BFA_DCONF_SM_WR: 5865 case BFA_DCONF_SM_FLASH_COMP: 5866 break; 5867 default: 5868 bfa_sm_fault(dconf->bfa, event); 5869 } 5870 } 5871 5872 /* 5873 * Read flash for dconf entries and make a call back to the driver once done. 5874 */ 5875 static void bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5876 bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, 5877 enum bfa_dconf_event event) 5878 { 5879 bfa_trc(dconf->bfa, event); 5880 5881 switch (event) { 5882 case BFA_DCONF_SM_FLASH_COMP: 5883 bfa_timer_stop(&dconf->timer); 5884 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5885 break; 5886 case BFA_DCONF_SM_TIMEOUT: 5887 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5888 bfa_ioc_suspend(&dconf->bfa->ioc); 5889 break; 5890 case BFA_DCONF_SM_EXIT: 5891 bfa_timer_stop(&dconf->timer); 5892 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5893 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5894 break; 5895 case BFA_DCONF_SM_IOCDISABLE: 5896 bfa_timer_stop(&dconf->timer); 5897 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5898 break; 5899 default: 5900 bfa_sm_fault(dconf->bfa, event); 5901 } 5902 } 5903 5904 /* 5905 * DCONF Module is in ready state. Has completed the initialization. 5906 */ 5907 static void bfa_dconf_sm_ready(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5908 bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5909 { 5910 bfa_trc(dconf->bfa, event); 5911 5912 switch (event) { 5913 case BFA_DCONF_SM_WR: 5914 bfa_timer_start(dconf->bfa, &dconf->timer, 5915 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5916 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 5917 break; 5918 case BFA_DCONF_SM_EXIT: 5919 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5920 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5921 break; 5922 case BFA_DCONF_SM_INIT: 5923 case BFA_DCONF_SM_IOCDISABLE: 5924 break; 5925 default: 5926 bfa_sm_fault(dconf->bfa, event); 5927 } 5928 } 5929 5930 /* 5931 * entries are dirty, write back to the flash. 5932 */ 5933 5934 static void bfa_dconf_sm_dirty(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5935 bfa_dconf_sm_dirty(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5936 { 5937 bfa_trc(dconf->bfa, event); 5938 5939 switch (event) { 5940 case BFA_DCONF_SM_TIMEOUT: 5941 bfa_sm_set_state(dconf, bfa_dconf_sm_sync); 5942 bfa_dconf_flash_write(dconf); 5943 break; 5944 case BFA_DCONF_SM_WR: 5945 bfa_timer_stop(&dconf->timer); 5946 bfa_timer_start(dconf->bfa, &dconf->timer, 5947 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5948 break; 5949 case BFA_DCONF_SM_EXIT: 5950 bfa_timer_stop(&dconf->timer); 5951 bfa_timer_start(dconf->bfa, &dconf->timer, 5952 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 5953 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 5954 bfa_dconf_flash_write(dconf); 5955 break; 5956 case BFA_DCONF_SM_FLASH_COMP: 5957 break; 5958 case BFA_DCONF_SM_IOCDISABLE: 5959 bfa_timer_stop(&dconf->timer); 5960 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 5961 break; 5962 default: 5963 bfa_sm_fault(dconf->bfa, event); 5964 } 5965 } 5966 5967 /* 5968 * Sync the dconf entries to the flash. 5969 */ 5970 static void bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5971 bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, 5972 enum bfa_dconf_event event) 5973 { 5974 bfa_trc(dconf->bfa, event); 5975 5976 switch (event) { 5977 case BFA_DCONF_SM_IOCDISABLE: 5978 case BFA_DCONF_SM_FLASH_COMP: 5979 bfa_timer_stop(&dconf->timer); 5980 fallthrough; 5981 case BFA_DCONF_SM_TIMEOUT: 5982 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 5983 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 5984 break; 5985 default: 5986 bfa_sm_fault(dconf->bfa, event); 5987 } 5988 } 5989 5990 static void bfa_dconf_sm_sync(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)5991 bfa_dconf_sm_sync(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) 5992 { 5993 bfa_trc(dconf->bfa, event); 5994 5995 switch (event) { 5996 case BFA_DCONF_SM_FLASH_COMP: 5997 bfa_sm_set_state(dconf, bfa_dconf_sm_ready); 5998 break; 5999 case BFA_DCONF_SM_WR: 6000 bfa_timer_start(dconf->bfa, &dconf->timer, 6001 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6002 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 6003 break; 6004 case BFA_DCONF_SM_EXIT: 6005 bfa_timer_start(dconf->bfa, &dconf->timer, 6006 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6007 bfa_sm_set_state(dconf, bfa_dconf_sm_final_sync); 6008 break; 6009 case BFA_DCONF_SM_IOCDISABLE: 6010 bfa_sm_set_state(dconf, bfa_dconf_sm_iocdown_dirty); 6011 break; 6012 default: 6013 bfa_sm_fault(dconf->bfa, event); 6014 } 6015 } 6016 6017 static void bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s * dconf,enum bfa_dconf_event event)6018 bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, 6019 enum bfa_dconf_event event) 6020 { 6021 bfa_trc(dconf->bfa, event); 6022 6023 switch (event) { 6024 case BFA_DCONF_SM_INIT: 6025 bfa_timer_start(dconf->bfa, &dconf->timer, 6026 bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); 6027 bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); 6028 break; 6029 case BFA_DCONF_SM_EXIT: 6030 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 6031 bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); 6032 break; 6033 case BFA_DCONF_SM_IOCDISABLE: 6034 break; 6035 default: 6036 bfa_sm_fault(dconf->bfa, event); 6037 } 6038 } 6039 6040 /* 6041 * Compute and return memory needed by DRV_CFG module. 6042 */ 6043 void bfa_dconf_meminfo(struct bfa_iocfc_cfg_s * cfg,struct bfa_meminfo_s * meminfo,struct bfa_s * bfa)6044 bfa_dconf_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo, 6045 struct bfa_s *bfa) 6046 { 6047 struct bfa_mem_kva_s *dconf_kva = BFA_MEM_DCONF_KVA(bfa); 6048 6049 if (cfg->drvcfg.min_cfg) 6050 bfa_mem_kva_setup(meminfo, dconf_kva, 6051 sizeof(struct bfa_dconf_hdr_s)); 6052 else 6053 bfa_mem_kva_setup(meminfo, dconf_kva, 6054 sizeof(struct bfa_dconf_s)); 6055 } 6056 6057 void bfa_dconf_attach(struct bfa_s * bfa,void * bfad,struct bfa_iocfc_cfg_s * cfg)6058 bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg) 6059 { 6060 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6061 6062 dconf->bfad = bfad; 6063 dconf->bfa = bfa; 6064 dconf->instance = bfa->ioc.port_id; 6065 bfa_trc(bfa, dconf->instance); 6066 6067 dconf->dconf = (struct bfa_dconf_s *) bfa_mem_kva_curp(dconf); 6068 if (cfg->drvcfg.min_cfg) { 6069 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s); 6070 dconf->min_cfg = BFA_TRUE; 6071 } else { 6072 dconf->min_cfg = BFA_FALSE; 6073 bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s); 6074 } 6075 6076 bfa_dconf_read_data_valid(bfa) = BFA_FALSE; 6077 bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); 6078 } 6079 6080 static void bfa_dconf_init_cb(void * arg,bfa_status_t status)6081 bfa_dconf_init_cb(void *arg, bfa_status_t status) 6082 { 6083 struct bfa_s *bfa = arg; 6084 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6085 6086 if (status == BFA_STATUS_OK) { 6087 bfa_dconf_read_data_valid(bfa) = BFA_TRUE; 6088 if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE) 6089 dconf->dconf->hdr.signature = BFI_DCONF_SIGNATURE; 6090 if (dconf->dconf->hdr.version != BFI_DCONF_VERSION) 6091 dconf->dconf->hdr.version = BFI_DCONF_VERSION; 6092 } 6093 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 6094 bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE); 6095 } 6096 6097 void bfa_dconf_modinit(struct bfa_s * bfa)6098 bfa_dconf_modinit(struct bfa_s *bfa) 6099 { 6100 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6101 bfa_sm_send_event(dconf, BFA_DCONF_SM_INIT); 6102 } 6103 bfa_dconf_timer(void * cbarg)6104 static void bfa_dconf_timer(void *cbarg) 6105 { 6106 struct bfa_dconf_mod_s *dconf = cbarg; 6107 bfa_sm_send_event(dconf, BFA_DCONF_SM_TIMEOUT); 6108 } 6109 6110 void bfa_dconf_iocdisable(struct bfa_s * bfa)6111 bfa_dconf_iocdisable(struct bfa_s *bfa) 6112 { 6113 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6114 bfa_sm_send_event(dconf, BFA_DCONF_SM_IOCDISABLE); 6115 } 6116 6117 static bfa_status_t bfa_dconf_flash_write(struct bfa_dconf_mod_s * dconf)6118 bfa_dconf_flash_write(struct bfa_dconf_mod_s *dconf) 6119 { 6120 bfa_status_t bfa_status; 6121 bfa_trc(dconf->bfa, 0); 6122 6123 bfa_status = bfa_flash_update_part(BFA_FLASH(dconf->bfa), 6124 BFA_FLASH_PART_DRV, dconf->instance, 6125 dconf->dconf, sizeof(struct bfa_dconf_s), 0, 6126 bfa_dconf_cbfn, dconf); 6127 if (bfa_status != BFA_STATUS_OK) 6128 WARN_ON(bfa_status); 6129 bfa_trc(dconf->bfa, bfa_status); 6130 6131 return bfa_status; 6132 } 6133 6134 bfa_status_t bfa_dconf_update(struct bfa_s * bfa)6135 bfa_dconf_update(struct bfa_s *bfa) 6136 { 6137 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6138 bfa_trc(dconf->bfa, 0); 6139 if (bfa_sm_cmp_state(dconf, bfa_dconf_sm_iocdown_dirty)) 6140 return BFA_STATUS_FAILED; 6141 6142 if (dconf->min_cfg) { 6143 bfa_trc(dconf->bfa, dconf->min_cfg); 6144 return BFA_STATUS_FAILED; 6145 } 6146 6147 bfa_sm_send_event(dconf, BFA_DCONF_SM_WR); 6148 return BFA_STATUS_OK; 6149 } 6150 6151 static void bfa_dconf_cbfn(void * arg,bfa_status_t status)6152 bfa_dconf_cbfn(void *arg, bfa_status_t status) 6153 { 6154 struct bfa_dconf_mod_s *dconf = arg; 6155 WARN_ON(status); 6156 bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); 6157 } 6158 6159 void bfa_dconf_modexit(struct bfa_s * bfa)6160 bfa_dconf_modexit(struct bfa_s *bfa) 6161 { 6162 struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); 6163 bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT); 6164 } 6165 6166 /* 6167 * FRU specific functions 6168 */ 6169 6170 #define BFA_FRU_DMA_BUF_SZ 0x02000 /* 8k dma buffer */ 6171 #define BFA_FRU_CHINOOK_MAX_SIZE 0x10000 6172 #define BFA_FRU_LIGHTNING_MAX_SIZE 0x200 6173 6174 static void bfa_fru_notify(void * cbarg,enum bfa_ioc_event_e event)6175 bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event) 6176 { 6177 struct bfa_fru_s *fru = cbarg; 6178 6179 bfa_trc(fru, event); 6180 6181 switch (event) { 6182 case BFA_IOC_E_DISABLED: 6183 case BFA_IOC_E_FAILED: 6184 if (fru->op_busy) { 6185 fru->status = BFA_STATUS_IOC_FAILURE; 6186 fru->cbfn(fru->cbarg, fru->status); 6187 fru->op_busy = 0; 6188 } 6189 break; 6190 6191 default: 6192 break; 6193 } 6194 } 6195 6196 /* 6197 * Send fru write request. 6198 * 6199 * @param[in] cbarg - callback argument 6200 */ 6201 static void bfa_fru_write_send(void * cbarg,enum bfi_fru_h2i_msgs msg_type)6202 bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) 6203 { 6204 struct bfa_fru_s *fru = cbarg; 6205 struct bfi_fru_write_req_s *msg = 6206 (struct bfi_fru_write_req_s *) fru->mb.msg; 6207 u32 len; 6208 6209 msg->offset = cpu_to_be32(fru->addr_off + fru->offset); 6210 len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? 6211 fru->residue : BFA_FRU_DMA_BUF_SZ; 6212 msg->length = cpu_to_be32(len); 6213 6214 /* 6215 * indicate if it's the last msg of the whole write operation 6216 */ 6217 msg->last = (len == fru->residue) ? 1 : 0; 6218 6219 msg->trfr_cmpl = (len == fru->residue) ? fru->trfr_cmpl : 0; 6220 bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); 6221 bfa_alen_set(&msg->alen, len, fru->dbuf_pa); 6222 6223 memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len); 6224 bfa_ioc_mbox_queue(fru->ioc, &fru->mb); 6225 6226 fru->residue -= len; 6227 fru->offset += len; 6228 } 6229 6230 /* 6231 * Send fru read request. 6232 * 6233 * @param[in] cbarg - callback argument 6234 */ 6235 static void bfa_fru_read_send(void * cbarg,enum bfi_fru_h2i_msgs msg_type)6236 bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type) 6237 { 6238 struct bfa_fru_s *fru = cbarg; 6239 struct bfi_fru_read_req_s *msg = 6240 (struct bfi_fru_read_req_s *) fru->mb.msg; 6241 u32 len; 6242 6243 msg->offset = cpu_to_be32(fru->addr_off + fru->offset); 6244 len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ? 6245 fru->residue : BFA_FRU_DMA_BUF_SZ; 6246 msg->length = cpu_to_be32(len); 6247 bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc)); 6248 bfa_alen_set(&msg->alen, len, fru->dbuf_pa); 6249 bfa_ioc_mbox_queue(fru->ioc, &fru->mb); 6250 } 6251 6252 /* 6253 * Flash memory info API. 6254 * 6255 * @param[in] mincfg - minimal cfg variable 6256 */ 6257 u32 bfa_fru_meminfo(bfa_boolean_t mincfg)6258 bfa_fru_meminfo(bfa_boolean_t mincfg) 6259 { 6260 /* min driver doesn't need fru */ 6261 if (mincfg) 6262 return 0; 6263 6264 return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6265 } 6266 6267 /* 6268 * Flash attach API. 6269 * 6270 * @param[in] fru - fru structure 6271 * @param[in] ioc - ioc structure 6272 * @param[in] dev - device structure 6273 * @param[in] trcmod - trace module 6274 * @param[in] logmod - log module 6275 */ 6276 void bfa_fru_attach(struct bfa_fru_s * fru,struct bfa_ioc_s * ioc,void * dev,struct bfa_trc_mod_s * trcmod,bfa_boolean_t mincfg)6277 bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev, 6278 struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg) 6279 { 6280 fru->ioc = ioc; 6281 fru->trcmod = trcmod; 6282 fru->cbfn = NULL; 6283 fru->cbarg = NULL; 6284 fru->op_busy = 0; 6285 6286 bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru); 6287 bfa_q_qe_init(&fru->ioc_notify); 6288 bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru); 6289 list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q); 6290 6291 /* min driver doesn't need fru */ 6292 if (mincfg) { 6293 fru->dbuf_kva = NULL; 6294 fru->dbuf_pa = 0; 6295 } 6296 } 6297 6298 /* 6299 * Claim memory for fru 6300 * 6301 * @param[in] fru - fru structure 6302 * @param[in] dm_kva - pointer to virtual memory address 6303 * @param[in] dm_pa - frusical memory address 6304 * @param[in] mincfg - minimal cfg variable 6305 */ 6306 void bfa_fru_memclaim(struct bfa_fru_s * fru,u8 * dm_kva,u64 dm_pa,bfa_boolean_t mincfg)6307 bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa, 6308 bfa_boolean_t mincfg) 6309 { 6310 if (mincfg) 6311 return; 6312 6313 fru->dbuf_kva = dm_kva; 6314 fru->dbuf_pa = dm_pa; 6315 memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ); 6316 dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6317 dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); 6318 } 6319 6320 /* 6321 * Update fru vpd image. 6322 * 6323 * @param[in] fru - fru structure 6324 * @param[in] buf - update data buffer 6325 * @param[in] len - data buffer length 6326 * @param[in] offset - offset relative to starting address 6327 * @param[in] cbfn - callback function 6328 * @param[in] cbarg - callback argument 6329 * 6330 * Return status. 6331 */ 6332 bfa_status_t bfa_fruvpd_update(struct bfa_fru_s * fru,void * buf,u32 len,u32 offset,bfa_cb_fru_t cbfn,void * cbarg,u8 trfr_cmpl)6333 bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6334 bfa_cb_fru_t cbfn, void *cbarg, u8 trfr_cmpl) 6335 { 6336 bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ); 6337 bfa_trc(fru, len); 6338 bfa_trc(fru, offset); 6339 6340 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2 && 6341 fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) 6342 return BFA_STATUS_FRU_NOT_PRESENT; 6343 6344 if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK) 6345 return BFA_STATUS_CMD_NOTSUPP; 6346 6347 if (!bfa_ioc_is_operational(fru->ioc)) 6348 return BFA_STATUS_IOC_NON_OP; 6349 6350 if (fru->op_busy) { 6351 bfa_trc(fru, fru->op_busy); 6352 return BFA_STATUS_DEVBUSY; 6353 } 6354 6355 fru->op_busy = 1; 6356 6357 fru->cbfn = cbfn; 6358 fru->cbarg = cbarg; 6359 fru->residue = len; 6360 fru->offset = 0; 6361 fru->addr_off = offset; 6362 fru->ubuf = buf; 6363 fru->trfr_cmpl = trfr_cmpl; 6364 6365 bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ); 6366 6367 return BFA_STATUS_OK; 6368 } 6369 6370 /* 6371 * Read fru vpd image. 6372 * 6373 * @param[in] fru - fru structure 6374 * @param[in] buf - read data buffer 6375 * @param[in] len - data buffer length 6376 * @param[in] offset - offset relative to starting address 6377 * @param[in] cbfn - callback function 6378 * @param[in] cbarg - callback argument 6379 * 6380 * Return status. 6381 */ 6382 bfa_status_t bfa_fruvpd_read(struct bfa_fru_s * fru,void * buf,u32 len,u32 offset,bfa_cb_fru_t cbfn,void * cbarg)6383 bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6384 bfa_cb_fru_t cbfn, void *cbarg) 6385 { 6386 bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ); 6387 bfa_trc(fru, len); 6388 bfa_trc(fru, offset); 6389 6390 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6391 return BFA_STATUS_FRU_NOT_PRESENT; 6392 6393 if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK && 6394 fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK2) 6395 return BFA_STATUS_CMD_NOTSUPP; 6396 6397 if (!bfa_ioc_is_operational(fru->ioc)) 6398 return BFA_STATUS_IOC_NON_OP; 6399 6400 if (fru->op_busy) { 6401 bfa_trc(fru, fru->op_busy); 6402 return BFA_STATUS_DEVBUSY; 6403 } 6404 6405 fru->op_busy = 1; 6406 6407 fru->cbfn = cbfn; 6408 fru->cbarg = cbarg; 6409 fru->residue = len; 6410 fru->offset = 0; 6411 fru->addr_off = offset; 6412 fru->ubuf = buf; 6413 bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ); 6414 6415 return BFA_STATUS_OK; 6416 } 6417 6418 /* 6419 * Get maximum size fru vpd image. 6420 * 6421 * @param[in] fru - fru structure 6422 * @param[out] size - maximum size of fru vpd data 6423 * 6424 * Return status. 6425 */ 6426 bfa_status_t bfa_fruvpd_get_max_size(struct bfa_fru_s * fru,u32 * max_size)6427 bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size) 6428 { 6429 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6430 return BFA_STATUS_FRU_NOT_PRESENT; 6431 6432 if (!bfa_ioc_is_operational(fru->ioc)) 6433 return BFA_STATUS_IOC_NON_OP; 6434 6435 if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK || 6436 fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK2) 6437 *max_size = BFA_FRU_CHINOOK_MAX_SIZE; 6438 else 6439 return BFA_STATUS_CMD_NOTSUPP; 6440 return BFA_STATUS_OK; 6441 } 6442 /* 6443 * tfru write. 6444 * 6445 * @param[in] fru - fru structure 6446 * @param[in] buf - update data buffer 6447 * @param[in] len - data buffer length 6448 * @param[in] offset - offset relative to starting address 6449 * @param[in] cbfn - callback function 6450 * @param[in] cbarg - callback argument 6451 * 6452 * Return status. 6453 */ 6454 bfa_status_t bfa_tfru_write(struct bfa_fru_s * fru,void * buf,u32 len,u32 offset,bfa_cb_fru_t cbfn,void * cbarg)6455 bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset, 6456 bfa_cb_fru_t cbfn, void *cbarg) 6457 { 6458 bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ); 6459 bfa_trc(fru, len); 6460 bfa_trc(fru, offset); 6461 bfa_trc(fru, *((u8 *) buf)); 6462 6463 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6464 return BFA_STATUS_FRU_NOT_PRESENT; 6465 6466 if (!bfa_ioc_is_operational(fru->ioc)) 6467 return BFA_STATUS_IOC_NON_OP; 6468 6469 if (fru->op_busy) { 6470 bfa_trc(fru, fru->op_busy); 6471 return BFA_STATUS_DEVBUSY; 6472 } 6473 6474 fru->op_busy = 1; 6475 6476 fru->cbfn = cbfn; 6477 fru->cbarg = cbarg; 6478 fru->residue = len; 6479 fru->offset = 0; 6480 fru->addr_off = offset; 6481 fru->ubuf = buf; 6482 6483 bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ); 6484 6485 return BFA_STATUS_OK; 6486 } 6487 6488 /* 6489 * tfru read. 6490 * 6491 * @param[in] fru - fru structure 6492 * @param[in] buf - read 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 bfa_tfru_read(struct bfa_fru_s * fru,void * buf,u32 len,u32 offset,bfa_cb_fru_t cbfn,void * cbarg)6501 bfa_tfru_read(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_READ_REQ); 6505 bfa_trc(fru, len); 6506 bfa_trc(fru, offset); 6507 6508 if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2) 6509 return BFA_STATUS_FRU_NOT_PRESENT; 6510 6511 if (!bfa_ioc_is_operational(fru->ioc)) 6512 return BFA_STATUS_IOC_NON_OP; 6513 6514 if (fru->op_busy) { 6515 bfa_trc(fru, fru->op_busy); 6516 return BFA_STATUS_DEVBUSY; 6517 } 6518 6519 fru->op_busy = 1; 6520 6521 fru->cbfn = cbfn; 6522 fru->cbarg = cbarg; 6523 fru->residue = len; 6524 fru->offset = 0; 6525 fru->addr_off = offset; 6526 fru->ubuf = buf; 6527 bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ); 6528 6529 return BFA_STATUS_OK; 6530 } 6531 6532 /* 6533 * Process fru response messages upon receiving interrupts. 6534 * 6535 * @param[in] fruarg - fru structure 6536 * @param[in] msg - message structure 6537 */ 6538 void bfa_fru_intr(void * fruarg,struct bfi_mbmsg_s * msg)6539 bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg) 6540 { 6541 struct bfa_fru_s *fru = fruarg; 6542 struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg; 6543 u32 status; 6544 6545 bfa_trc(fru, msg->mh.msg_id); 6546 6547 if (!fru->op_busy) { 6548 /* 6549 * receiving response after ioc failure 6550 */ 6551 bfa_trc(fru, 0x9999); 6552 return; 6553 } 6554 6555 switch (msg->mh.msg_id) { 6556 case BFI_FRUVPD_I2H_WRITE_RSP: 6557 case BFI_TFRU_I2H_WRITE_RSP: 6558 status = be32_to_cpu(rsp->status); 6559 bfa_trc(fru, status); 6560 6561 if (status != BFA_STATUS_OK || fru->residue == 0) { 6562 fru->status = status; 6563 fru->op_busy = 0; 6564 if (fru->cbfn) 6565 fru->cbfn(fru->cbarg, fru->status); 6566 } else { 6567 bfa_trc(fru, fru->offset); 6568 if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP) 6569 bfa_fru_write_send(fru, 6570 BFI_FRUVPD_H2I_WRITE_REQ); 6571 else 6572 bfa_fru_write_send(fru, 6573 BFI_TFRU_H2I_WRITE_REQ); 6574 } 6575 break; 6576 case BFI_FRUVPD_I2H_READ_RSP: 6577 case BFI_TFRU_I2H_READ_RSP: 6578 status = be32_to_cpu(rsp->status); 6579 bfa_trc(fru, status); 6580 6581 if (status != BFA_STATUS_OK) { 6582 fru->status = status; 6583 fru->op_busy = 0; 6584 if (fru->cbfn) 6585 fru->cbfn(fru->cbarg, fru->status); 6586 } else { 6587 u32 len = be32_to_cpu(rsp->length); 6588 6589 bfa_trc(fru, fru->offset); 6590 bfa_trc(fru, len); 6591 6592 memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len); 6593 fru->residue -= len; 6594 fru->offset += len; 6595 6596 if (fru->residue == 0) { 6597 fru->status = status; 6598 fru->op_busy = 0; 6599 if (fru->cbfn) 6600 fru->cbfn(fru->cbarg, fru->status); 6601 } else { 6602 if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP) 6603 bfa_fru_read_send(fru, 6604 BFI_FRUVPD_H2I_READ_REQ); 6605 else 6606 bfa_fru_read_send(fru, 6607 BFI_TFRU_H2I_READ_REQ); 6608 } 6609 } 6610 break; 6611 default: 6612 WARN_ON(1); 6613 } 6614 } 6615 6616 /* 6617 * register definitions 6618 */ 6619 #define FLI_CMD_REG 0x0001d000 6620 #define FLI_RDDATA_REG 0x0001d010 6621 #define FLI_ADDR_REG 0x0001d004 6622 #define FLI_DEV_STATUS_REG 0x0001d014 6623 6624 #define BFA_FLASH_FIFO_SIZE 128 /* fifo size */ 6625 #define BFA_FLASH_CHECK_MAX 10000 /* max # of status check */ 6626 #define BFA_FLASH_BLOCKING_OP_MAX 1000000 /* max # of blocking op check */ 6627 #define BFA_FLASH_WIP_MASK 0x01 /* write in progress bit mask */ 6628 6629 enum bfa_flash_cmd { 6630 BFA_FLASH_FAST_READ = 0x0b, /* fast read */ 6631 BFA_FLASH_READ_STATUS = 0x05, /* read status */ 6632 }; 6633 6634 /* 6635 * Hardware error definition 6636 */ 6637 enum bfa_flash_err { 6638 BFA_FLASH_NOT_PRESENT = -1, /*!< flash not present */ 6639 BFA_FLASH_UNINIT = -2, /*!< flash not initialized */ 6640 BFA_FLASH_BAD = -3, /*!< flash bad */ 6641 BFA_FLASH_BUSY = -4, /*!< flash busy */ 6642 BFA_FLASH_ERR_CMD_ACT = -5, /*!< command active never cleared */ 6643 BFA_FLASH_ERR_FIFO_CNT = -6, /*!< fifo count never cleared */ 6644 BFA_FLASH_ERR_WIP = -7, /*!< write-in-progress never cleared */ 6645 BFA_FLASH_ERR_TIMEOUT = -8, /*!< fli timeout */ 6646 BFA_FLASH_ERR_LEN = -9, /*!< invalid length */ 6647 }; 6648 6649 /* 6650 * Flash command register data structure 6651 */ 6652 union bfa_flash_cmd_reg_u { 6653 struct { 6654 #ifdef __BIG_ENDIAN 6655 u32 act:1; 6656 u32 rsv:1; 6657 u32 write_cnt:9; 6658 u32 read_cnt:9; 6659 u32 addr_cnt:4; 6660 u32 cmd:8; 6661 #else 6662 u32 cmd:8; 6663 u32 addr_cnt:4; 6664 u32 read_cnt:9; 6665 u32 write_cnt:9; 6666 u32 rsv:1; 6667 u32 act:1; 6668 #endif 6669 } r; 6670 u32 i; 6671 }; 6672 6673 /* 6674 * Flash device status register data structure 6675 */ 6676 union bfa_flash_dev_status_reg_u { 6677 struct { 6678 #ifdef __BIG_ENDIAN 6679 u32 rsv:21; 6680 u32 fifo_cnt:6; 6681 u32 busy:1; 6682 u32 init_status:1; 6683 u32 present:1; 6684 u32 bad:1; 6685 u32 good:1; 6686 #else 6687 u32 good:1; 6688 u32 bad:1; 6689 u32 present:1; 6690 u32 init_status:1; 6691 u32 busy:1; 6692 u32 fifo_cnt:6; 6693 u32 rsv:21; 6694 #endif 6695 } r; 6696 u32 i; 6697 }; 6698 6699 /* 6700 * Flash address register data structure 6701 */ 6702 union bfa_flash_addr_reg_u { 6703 struct { 6704 #ifdef __BIG_ENDIAN 6705 u32 addr:24; 6706 u32 dummy:8; 6707 #else 6708 u32 dummy:8; 6709 u32 addr:24; 6710 #endif 6711 } r; 6712 u32 i; 6713 }; 6714 6715 /* 6716 * dg flash_raw_private Flash raw private functions 6717 */ 6718 static void bfa_flash_set_cmd(void __iomem * pci_bar,u8 wr_cnt,u8 rd_cnt,u8 ad_cnt,u8 op)6719 bfa_flash_set_cmd(void __iomem *pci_bar, u8 wr_cnt, 6720 u8 rd_cnt, u8 ad_cnt, u8 op) 6721 { 6722 union bfa_flash_cmd_reg_u cmd; 6723 6724 cmd.i = 0; 6725 cmd.r.act = 1; 6726 cmd.r.write_cnt = wr_cnt; 6727 cmd.r.read_cnt = rd_cnt; 6728 cmd.r.addr_cnt = ad_cnt; 6729 cmd.r.cmd = op; 6730 writel(cmd.i, (pci_bar + FLI_CMD_REG)); 6731 } 6732 6733 static void bfa_flash_set_addr(void __iomem * pci_bar,u32 address)6734 bfa_flash_set_addr(void __iomem *pci_bar, u32 address) 6735 { 6736 union bfa_flash_addr_reg_u addr; 6737 6738 addr.r.addr = address & 0x00ffffff; 6739 addr.r.dummy = 0; 6740 writel(addr.i, (pci_bar + FLI_ADDR_REG)); 6741 } 6742 6743 static int bfa_flash_cmd_act_check(void __iomem * pci_bar)6744 bfa_flash_cmd_act_check(void __iomem *pci_bar) 6745 { 6746 union bfa_flash_cmd_reg_u cmd; 6747 6748 cmd.i = readl(pci_bar + FLI_CMD_REG); 6749 6750 if (cmd.r.act) 6751 return BFA_FLASH_ERR_CMD_ACT; 6752 6753 return 0; 6754 } 6755 6756 /* 6757 * @brief 6758 * Flush FLI data fifo. 6759 * 6760 * @param[in] pci_bar - pci bar address 6761 * @param[in] dev_status - device status 6762 * 6763 * Return 0 on success, negative error number on error. 6764 */ 6765 static u32 bfa_flash_fifo_flush(void __iomem * pci_bar)6766 bfa_flash_fifo_flush(void __iomem *pci_bar) 6767 { 6768 u32 i; 6769 union bfa_flash_dev_status_reg_u dev_status; 6770 6771 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6772 6773 if (!dev_status.r.fifo_cnt) 6774 return 0; 6775 6776 /* fifo counter in terms of words */ 6777 for (i = 0; i < dev_status.r.fifo_cnt; i++) 6778 readl(pci_bar + FLI_RDDATA_REG); 6779 6780 /* 6781 * Check the device status. It may take some time. 6782 */ 6783 for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { 6784 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6785 if (!dev_status.r.fifo_cnt) 6786 break; 6787 } 6788 6789 if (dev_status.r.fifo_cnt) 6790 return BFA_FLASH_ERR_FIFO_CNT; 6791 6792 return 0; 6793 } 6794 6795 /* 6796 * @brief 6797 * Read flash status. 6798 * 6799 * @param[in] pci_bar - pci bar address 6800 * 6801 * Return 0 on success, negative error number on error. 6802 */ 6803 static u32 bfa_flash_status_read(void __iomem * pci_bar)6804 bfa_flash_status_read(void __iomem *pci_bar) 6805 { 6806 union bfa_flash_dev_status_reg_u dev_status; 6807 int status; 6808 u32 ret_status; 6809 int i; 6810 6811 status = bfa_flash_fifo_flush(pci_bar); 6812 if (status < 0) 6813 return status; 6814 6815 bfa_flash_set_cmd(pci_bar, 0, 4, 0, BFA_FLASH_READ_STATUS); 6816 6817 for (i = 0; i < BFA_FLASH_CHECK_MAX; i++) { 6818 status = bfa_flash_cmd_act_check(pci_bar); 6819 if (!status) 6820 break; 6821 } 6822 6823 if (status) 6824 return status; 6825 6826 dev_status.i = readl(pci_bar + FLI_DEV_STATUS_REG); 6827 if (!dev_status.r.fifo_cnt) 6828 return BFA_FLASH_BUSY; 6829 6830 ret_status = readl(pci_bar + FLI_RDDATA_REG); 6831 ret_status >>= 24; 6832 6833 status = bfa_flash_fifo_flush(pci_bar); 6834 if (status < 0) 6835 return status; 6836 6837 return ret_status; 6838 } 6839 6840 /* 6841 * @brief 6842 * Start flash read operation. 6843 * 6844 * @param[in] pci_bar - pci bar address 6845 * @param[in] offset - flash address offset 6846 * @param[in] len - read data length 6847 * @param[in] buf - read data buffer 6848 * 6849 * Return 0 on success, negative error number on error. 6850 */ 6851 static u32 bfa_flash_read_start(void __iomem * pci_bar,u32 offset,u32 len,char * buf)6852 bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len, 6853 char *buf) 6854 { 6855 int status; 6856 6857 /* 6858 * len must be mutiple of 4 and not exceeding fifo size 6859 */ 6860 if (len == 0 || len > BFA_FLASH_FIFO_SIZE || (len & 0x03) != 0) 6861 return BFA_FLASH_ERR_LEN; 6862 6863 /* 6864 * check status 6865 */ 6866 status = bfa_flash_status_read(pci_bar); 6867 if (status == BFA_FLASH_BUSY) 6868 status = bfa_flash_status_read(pci_bar); 6869 6870 if (status < 0) 6871 return status; 6872 6873 /* 6874 * check if write-in-progress bit is cleared 6875 */ 6876 if (status & BFA_FLASH_WIP_MASK) 6877 return BFA_FLASH_ERR_WIP; 6878 6879 bfa_flash_set_addr(pci_bar, offset); 6880 6881 bfa_flash_set_cmd(pci_bar, 0, (u8)len, 4, BFA_FLASH_FAST_READ); 6882 6883 return 0; 6884 } 6885 6886 /* 6887 * @brief 6888 * Check flash read operation. 6889 * 6890 * @param[in] pci_bar - pci bar address 6891 * 6892 * Return flash device status, 1 if busy, 0 if not. 6893 */ 6894 static u32 bfa_flash_read_check(void __iomem * pci_bar)6895 bfa_flash_read_check(void __iomem *pci_bar) 6896 { 6897 if (bfa_flash_cmd_act_check(pci_bar)) 6898 return 1; 6899 6900 return 0; 6901 } 6902 6903 /* 6904 * @brief 6905 * End flash read operation. 6906 * 6907 * @param[in] pci_bar - pci bar address 6908 * @param[in] len - read data length 6909 * @param[in] buf - read data buffer 6910 * 6911 */ 6912 static void bfa_flash_read_end(void __iomem * pci_bar,u32 len,char * buf)6913 bfa_flash_read_end(void __iomem *pci_bar, u32 len, char *buf) 6914 { 6915 6916 u32 i; 6917 6918 /* 6919 * read data fifo up to 32 words 6920 */ 6921 for (i = 0; i < len; i += 4) { 6922 u32 w = readl(pci_bar + FLI_RDDATA_REG); 6923 *((u32 *) (buf + i)) = swab32(w); 6924 } 6925 6926 bfa_flash_fifo_flush(pci_bar); 6927 } 6928 6929 /* 6930 * @brief 6931 * Perform flash raw read. 6932 * 6933 * @param[in] pci_bar - pci bar address 6934 * @param[in] offset - flash partition address offset 6935 * @param[in] buf - read data buffer 6936 * @param[in] len - read data length 6937 * 6938 * Return status. 6939 */ 6940 6941 6942 #define FLASH_BLOCKING_OP_MAX 500 6943 #define FLASH_SEM_LOCK_REG 0x18820 6944 6945 static int bfa_raw_sem_get(void __iomem * bar)6946 bfa_raw_sem_get(void __iomem *bar) 6947 { 6948 int locked; 6949 6950 locked = readl((bar + FLASH_SEM_LOCK_REG)); 6951 return !locked; 6952 6953 } 6954 6955 static bfa_status_t bfa_flash_sem_get(void __iomem * bar)6956 bfa_flash_sem_get(void __iomem *bar) 6957 { 6958 u32 n = FLASH_BLOCKING_OP_MAX; 6959 6960 while (!bfa_raw_sem_get(bar)) { 6961 if (--n <= 0) 6962 return BFA_STATUS_BADFLASH; 6963 mdelay(10); 6964 } 6965 return BFA_STATUS_OK; 6966 } 6967 6968 static void bfa_flash_sem_put(void __iomem * bar)6969 bfa_flash_sem_put(void __iomem *bar) 6970 { 6971 writel(0, (bar + FLASH_SEM_LOCK_REG)); 6972 } 6973 6974 bfa_status_t bfa_flash_raw_read(void __iomem * pci_bar,u32 offset,char * buf,u32 len)6975 bfa_flash_raw_read(void __iomem *pci_bar, u32 offset, char *buf, 6976 u32 len) 6977 { 6978 u32 n; 6979 int status; 6980 u32 off, l, s, residue, fifo_sz; 6981 6982 residue = len; 6983 off = 0; 6984 fifo_sz = BFA_FLASH_FIFO_SIZE; 6985 status = bfa_flash_sem_get(pci_bar); 6986 if (status != BFA_STATUS_OK) 6987 return status; 6988 6989 while (residue) { 6990 s = offset + off; 6991 n = s / fifo_sz; 6992 l = (n + 1) * fifo_sz - s; 6993 if (l > residue) 6994 l = residue; 6995 6996 status = bfa_flash_read_start(pci_bar, offset + off, l, 6997 &buf[off]); 6998 if (status < 0) { 6999 bfa_flash_sem_put(pci_bar); 7000 return BFA_STATUS_FAILED; 7001 } 7002 7003 n = BFA_FLASH_BLOCKING_OP_MAX; 7004 while (bfa_flash_read_check(pci_bar)) { 7005 if (--n <= 0) { 7006 bfa_flash_sem_put(pci_bar); 7007 return BFA_STATUS_FAILED; 7008 } 7009 } 7010 7011 bfa_flash_read_end(pci_bar, l, &buf[off]); 7012 7013 residue -= l; 7014 off += l; 7015 } 7016 bfa_flash_sem_put(pci_bar); 7017 7018 return BFA_STATUS_OK; 7019 } 7020