Lines Matching refs:cd
116 struct genwqe_dev *cd; in genwqe_dev_alloc() local
125 cd = kzalloc(sizeof(struct genwqe_dev), GFP_KERNEL); in genwqe_dev_alloc()
126 if (!cd) in genwqe_dev_alloc()
129 cd->card_idx = i; in genwqe_dev_alloc()
130 cd->class_genwqe = class_genwqe; in genwqe_dev_alloc()
131 cd->debugfs_genwqe = debugfs_genwqe; in genwqe_dev_alloc()
137 cd->use_platform_recovery = CONFIG_GENWQE_PLATFORM_ERROR_RECOVERY; in genwqe_dev_alloc()
139 init_waitqueue_head(&cd->queue_waitq); in genwqe_dev_alloc()
141 spin_lock_init(&cd->file_lock); in genwqe_dev_alloc()
142 INIT_LIST_HEAD(&cd->file_list); in genwqe_dev_alloc()
144 cd->card_state = GENWQE_CARD_UNUSED; in genwqe_dev_alloc()
145 spin_lock_init(&cd->print_lock); in genwqe_dev_alloc()
147 cd->ddcb_software_timeout = GENWQE_DDCB_SOFTWARE_TIMEOUT; in genwqe_dev_alloc()
148 cd->kill_timeout = GENWQE_KILL_TIMEOUT; in genwqe_dev_alloc()
151 cd->vf_jobtimeout_msec[j] = GENWQE_VF_JOBTIMEOUT_MSEC; in genwqe_dev_alloc()
153 genwqe_devices[i] = cd; in genwqe_dev_alloc()
154 return cd; in genwqe_dev_alloc()
157 static void genwqe_dev_free(struct genwqe_dev *cd) in genwqe_dev_free() argument
159 if (!cd) in genwqe_dev_free()
162 genwqe_devices[cd->card_idx] = NULL; in genwqe_dev_free()
163 kfree(cd); in genwqe_dev_free()
175 static int genwqe_bus_reset(struct genwqe_dev *cd) in genwqe_bus_reset() argument
178 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_bus_reset()
181 if (cd->err_inject & GENWQE_INJECT_BUS_RESET_FAILURE) in genwqe_bus_reset()
184 mmio = cd->mmio; in genwqe_bus_reset()
185 cd->mmio = NULL; in genwqe_bus_reset()
208 cd->err_inject &= ~(GENWQE_INJECT_HARDWARE_FAILURE | in genwqe_bus_reset()
219 cd->mmio = pci_iomap(pci_dev, 0, 0); in genwqe_bus_reset()
220 if (cd->mmio == NULL) { in genwqe_bus_reset()
240 bool genwqe_need_err_masking(struct genwqe_dev *cd) in genwqe_need_err_masking() argument
242 return (cd->slu_unitcfg & 0xFFFF0ull) < 0x32170ull; in genwqe_need_err_masking()
245 static void genwqe_tweak_hardware(struct genwqe_dev *cd) in genwqe_tweak_hardware() argument
247 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_tweak_hardware()
250 if (((cd->slu_unitcfg & 0xFFFF0ull) >= 0x32000ull) && in genwqe_tweak_hardware()
251 ((cd->slu_unitcfg & 0xFFFF0ull) <= 0x33250ull)) { in genwqe_tweak_hardware()
254 cd->slu_unitcfg, cd->app_unitcfg); in genwqe_tweak_hardware()
256 __genwqe_writeq(cd, IO_APP_SEC_LEM_DEBUG_OVR, in genwqe_tweak_hardware()
259 __genwqe_writeq(cd, IO_APP_ERR_ACT_MASK, in genwqe_tweak_hardware()
273 int genwqe_recovery_on_fatal_gfir_required(struct genwqe_dev *cd) in genwqe_recovery_on_fatal_gfir_required() argument
275 return (cd->slu_unitcfg & 0xFFFF0ull) >= 0x32170ull; in genwqe_recovery_on_fatal_gfir_required()
278 int genwqe_flash_readback_fails(struct genwqe_dev *cd) in genwqe_flash_readback_fails() argument
280 return (cd->slu_unitcfg & 0xFFFF0ull) < 0x32170ull; in genwqe_flash_readback_fails()
295 static int genwqe_T_psec(struct genwqe_dev *cd) in genwqe_T_psec() argument
300 speed = (u16)((cd->slu_unitcfg >> 28) & 0x0full); in genwqe_T_psec()
317 static bool genwqe_setup_pf_jtimer(struct genwqe_dev *cd) in genwqe_setup_pf_jtimer() argument
319 u32 T = genwqe_T_psec(cd); in genwqe_setup_pf_jtimer()
329 genwqe_write_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT, in genwqe_setup_pf_jtimer()
338 static bool genwqe_setup_vf_jtimer(struct genwqe_dev *cd) in genwqe_setup_vf_jtimer() argument
340 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_setup_vf_jtimer()
342 u32 T = genwqe_T_psec(cd); in genwqe_setup_vf_jtimer()
352 if (cd->vf_jobtimeout_msec[vf] == 0) in genwqe_setup_vf_jtimer()
355 x = ilog2(cd->vf_jobtimeout_msec[vf] * in genwqe_setup_vf_jtimer()
358 genwqe_write_vreg(cd, IO_SLC_VF_APPJOB_TIMEOUT, in genwqe_setup_vf_jtimer()
364 static int genwqe_ffdc_buffs_alloc(struct genwqe_dev *cd) in genwqe_ffdc_buffs_alloc() argument
371 e = genwqe_ffdc_buff_size(cd, 0); in genwqe_ffdc_buffs_alloc()
374 e = genwqe_ffdc_buff_size(cd, 1); in genwqe_ffdc_buffs_alloc()
377 e = genwqe_ffdc_buff_size(cd, 2); in genwqe_ffdc_buffs_alloc()
385 cd->ffdc[type].entries = e; in genwqe_ffdc_buffs_alloc()
386 cd->ffdc[type].regs = in genwqe_ffdc_buffs_alloc()
397 static void genwqe_ffdc_buffs_free(struct genwqe_dev *cd) in genwqe_ffdc_buffs_free() argument
402 kfree(cd->ffdc[type].regs); in genwqe_ffdc_buffs_free()
403 cd->ffdc[type].regs = NULL; in genwqe_ffdc_buffs_free()
407 static int genwqe_read_ids(struct genwqe_dev *cd) in genwqe_read_ids() argument
411 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_read_ids()
413 cd->slu_unitcfg = __genwqe_readq(cd, IO_SLU_UNITCFG); in genwqe_read_ids()
414 if (cd->slu_unitcfg == IO_ILLEGAL_VALUE) { in genwqe_read_ids()
416 "err: SLUID=%016llx\n", cd->slu_unitcfg); in genwqe_read_ids()
421 slu_id = genwqe_get_slu_id(cd); in genwqe_read_ids()
429 cd->app_unitcfg = __genwqe_readq(cd, IO_APP_UNITCFG); in genwqe_read_ids()
430 if (cd->app_unitcfg == IO_ILLEGAL_VALUE) { in genwqe_read_ids()
432 "err: APPID=%016llx\n", cd->app_unitcfg); in genwqe_read_ids()
436 genwqe_read_app_id(cd, cd->app_name, sizeof(cd->app_name)); in genwqe_read_ids()
446 cd->is_privileged = 0; in genwqe_read_ids()
448 cd->is_privileged = (__genwqe_readq(cd, IO_SLU_BITSTREAM) in genwqe_read_ids()
455 static int genwqe_start(struct genwqe_dev *cd) in genwqe_start() argument
458 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_start()
460 err = genwqe_read_ids(cd); in genwqe_start()
464 if (genwqe_is_privileged(cd)) { in genwqe_start()
466 genwqe_ffdc_buffs_alloc(cd); in genwqe_start()
467 genwqe_stop_traps(cd); in genwqe_start()
470 genwqe_read_ffdc_regs(cd, cd->ffdc[GENWQE_DBG_REGS].regs, in genwqe_start()
471 cd->ffdc[GENWQE_DBG_REGS].entries, 0); in genwqe_start()
473 genwqe_ffdc_buff_read(cd, GENWQE_DBG_UNIT0, in genwqe_start()
474 cd->ffdc[GENWQE_DBG_UNIT0].regs, in genwqe_start()
475 cd->ffdc[GENWQE_DBG_UNIT0].entries); in genwqe_start()
477 genwqe_ffdc_buff_read(cd, GENWQE_DBG_UNIT1, in genwqe_start()
478 cd->ffdc[GENWQE_DBG_UNIT1].regs, in genwqe_start()
479 cd->ffdc[GENWQE_DBG_UNIT1].entries); in genwqe_start()
481 genwqe_ffdc_buff_read(cd, GENWQE_DBG_UNIT2, in genwqe_start()
482 cd->ffdc[GENWQE_DBG_UNIT2].regs, in genwqe_start()
483 cd->ffdc[GENWQE_DBG_UNIT2].entries); in genwqe_start()
485 genwqe_start_traps(cd); in genwqe_start()
487 if (cd->card_state == GENWQE_CARD_FATAL_ERROR) { in genwqe_start()
495 cd->softreset = 0x7Cull; in genwqe_start()
496 __genwqe_writeq(cd, IO_SLC_CFGREG_SOFTRESET, in genwqe_start()
497 cd->softreset); in genwqe_start()
499 err = genwqe_bus_reset(cd); in genwqe_start()
512 err = genwqe_read_ids(cd); in genwqe_start()
518 err = genwqe_setup_service_layer(cd); /* does a reset to the card */ in genwqe_start()
526 if (genwqe_is_privileged(cd)) { /* code is running _after_ reset */ in genwqe_start()
527 genwqe_tweak_hardware(cd); in genwqe_start()
529 genwqe_setup_pf_jtimer(cd); in genwqe_start()
530 genwqe_setup_vf_jtimer(cd); in genwqe_start()
533 err = genwqe_device_create(cd); in genwqe_start()
542 genwqe_release_service_layer(cd); in genwqe_start()
544 if (genwqe_is_privileged(cd)) in genwqe_start()
545 genwqe_ffdc_buffs_free(cd); in genwqe_start()
562 static int genwqe_stop(struct genwqe_dev *cd) in genwqe_stop() argument
564 genwqe_finish_queue(cd); /* no register access */ in genwqe_stop()
565 genwqe_device_remove(cd); /* device removed, procs killed */ in genwqe_stop()
566 genwqe_release_service_layer(cd); /* here genwqe_thread is stopped */ in genwqe_stop()
568 if (genwqe_is_privileged(cd)) { in genwqe_stop()
569 pci_disable_sriov(cd->pci_dev); /* access pci config space */ in genwqe_stop()
570 genwqe_ffdc_buffs_free(cd); in genwqe_stop()
588 static int genwqe_recover_card(struct genwqe_dev *cd, int fatal_err) in genwqe_recover_card() argument
591 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_recover_card()
593 genwqe_stop(cd); in genwqe_recover_card()
600 cd->softreset = 0x70ull; in genwqe_recover_card()
601 __genwqe_writeq(cd, IO_SLC_CFGREG_SOFTRESET, cd->softreset); in genwqe_recover_card()
604 rc = genwqe_bus_reset(cd); in genwqe_recover_card()
611 rc = genwqe_start(cd); in genwqe_recover_card()
620 static int genwqe_health_check_cond(struct genwqe_dev *cd, u64 *gfir) in genwqe_health_check_cond() argument
622 *gfir = __genwqe_readq(cd, IO_SLC_CFGREG_GFIR); in genwqe_health_check_cond()
624 genwqe_recovery_on_fatal_gfir_required(cd); in genwqe_health_check_cond()
637 static u64 genwqe_fir_checking(struct genwqe_dev *cd) in genwqe_fir_checking() argument
642 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_fir_checking()
652 gfir = __genwqe_readq(cd, IO_SLC_CFGREG_GFIR); in genwqe_fir_checking()
674 fir = __genwqe_readq(cd, fir_addr); in genwqe_fir_checking()
684 fec = __genwqe_readq(cd, fec_addr); in genwqe_fir_checking()
697 sfir = __genwqe_readq(cd, sfir_addr); in genwqe_fir_checking()
705 sfec = __genwqe_readq(cd, sfec_addr); in genwqe_fir_checking()
712 gfir = __genwqe_readq(cd, IO_SLC_CFGREG_GFIR); in genwqe_fir_checking()
728 __genwqe_writeq(cd, sfir_addr, sfir); in genwqe_fir_checking()
745 __genwqe_writeq(cd, fir_clr_addr, mask); in genwqe_fir_checking()
753 gfir = __genwqe_readq(cd, IO_SLC_CFGREG_GFIR); in genwqe_fir_checking()
805 static int genwqe_platform_recovery(struct genwqe_dev *cd) in genwqe_platform_recovery() argument
807 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_platform_recovery()
814 cd->err_inject &= ~(GENWQE_INJECT_HARDWARE_FAILURE | in genwqe_platform_recovery()
818 genwqe_stop(cd); in genwqe_platform_recovery()
823 rc = genwqe_start(cd); in genwqe_platform_recovery()
848 static int genwqe_reload_bistream(struct genwqe_dev *cd) in genwqe_reload_bistream() argument
850 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_reload_bistream()
857 genwqe_stop(cd); in genwqe_reload_bistream()
863 __genwqe_writeq(cd, IO_SLC_CFGREG_SOFTRESET, in genwqe_reload_bistream()
864 (cd->softreset & 0xcull) | 0x70ull); in genwqe_reload_bistream()
879 rc = genwqe_start(cd); in genwqe_reload_bistream()
915 struct genwqe_dev *cd = data; in genwqe_health_thread() local
916 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_health_thread()
921 rc = wait_event_interruptible_timeout(cd->health_waitq, in genwqe_health_thread()
922 (genwqe_health_check_cond(cd, &gfir) || in genwqe_health_thread()
935 slu_unitcfg = __genwqe_readq(cd, IO_SLU_UNITCFG); in genwqe_health_thread()
943 app_unitcfg = __genwqe_readq(cd, IO_APP_UNITCFG); in genwqe_health_thread()
951 gfir = __genwqe_readq(cd, IO_SLC_CFGREG_GFIR); in genwqe_health_thread()
960 gfir_masked = genwqe_fir_checking(cd); in genwqe_health_thread()
968 if ((gfir_masked) && !cd->skip_recovery && in genwqe_health_thread()
969 genwqe_recovery_on_fatal_gfir_required(cd)) { in genwqe_health_thread()
971 cd->card_state = GENWQE_CARD_FATAL_ERROR; in genwqe_health_thread()
973 rc = genwqe_recover_card(cd, 0); in genwqe_health_thread()
980 if (cd->card_state == GENWQE_CARD_RELOAD_BITSTREAM) { in genwqe_health_thread()
982 rc = genwqe_reload_bistream(cd); in genwqe_health_thread()
987 cd->last_gfir = gfir; in genwqe_health_thread()
994 if (cd->use_platform_recovery) { in genwqe_health_thread()
1000 readq(cd->mmio + IO_SLC_CFGREG_GFIR); in genwqe_health_thread()
1011 rc = genwqe_platform_recovery(cd); in genwqe_health_thread()
1020 cd->card_state = GENWQE_CARD_FATAL_ERROR; in genwqe_health_thread()
1021 genwqe_stop(cd); in genwqe_health_thread()
1030 static int genwqe_health_check_start(struct genwqe_dev *cd) in genwqe_health_check_start() argument
1040 cd->health_thread = kthread_run(genwqe_health_thread, cd, in genwqe_health_check_start()
1042 cd->card_idx); in genwqe_health_check_start()
1043 if (IS_ERR(cd->health_thread)) { in genwqe_health_check_start()
1044 rc = PTR_ERR(cd->health_thread); in genwqe_health_check_start()
1045 cd->health_thread = NULL; in genwqe_health_check_start()
1051 static int genwqe_health_thread_running(struct genwqe_dev *cd) in genwqe_health_thread_running() argument
1053 return cd->health_thread != NULL; in genwqe_health_thread_running()
1056 static int genwqe_health_check_stop(struct genwqe_dev *cd) in genwqe_health_check_stop() argument
1058 if (!genwqe_health_thread_running(cd)) in genwqe_health_check_stop()
1061 kthread_stop(cd->health_thread); in genwqe_health_check_stop()
1062 cd->health_thread = NULL; in genwqe_health_check_stop()
1070 static int genwqe_pci_setup(struct genwqe_dev *cd) in genwqe_pci_setup() argument
1073 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_pci_setup()
1108 cd->mmio_len = pci_resource_len(pci_dev, 0); in genwqe_pci_setup()
1109 cd->mmio = pci_iomap(pci_dev, 0, 0); in genwqe_pci_setup()
1110 if (cd->mmio == NULL) { in genwqe_pci_setup()
1117 cd->num_vfs = pci_sriov_get_totalvfs(pci_dev); in genwqe_pci_setup()
1118 if (cd->num_vfs < 0) in genwqe_pci_setup()
1119 cd->num_vfs = 0; in genwqe_pci_setup()
1121 err = genwqe_read_ids(cd); in genwqe_pci_setup()
1128 pci_iounmap(pci_dev, cd->mmio); in genwqe_pci_setup()
1141 static void genwqe_pci_remove(struct genwqe_dev *cd) in genwqe_pci_remove() argument
1143 struct pci_dev *pci_dev = cd->pci_dev; in genwqe_pci_remove()
1145 if (cd->mmio) in genwqe_pci_remove()
1146 pci_iounmap(pci_dev, cd->mmio); in genwqe_pci_remove()
1165 struct genwqe_dev *cd; in genwqe_probe() local
1169 cd = genwqe_dev_alloc(); in genwqe_probe()
1170 if (IS_ERR(cd)) { in genwqe_probe()
1172 (int)PTR_ERR(cd)); in genwqe_probe()
1173 return PTR_ERR(cd); in genwqe_probe()
1176 dev_set_drvdata(&pci_dev->dev, cd); in genwqe_probe()
1177 cd->pci_dev = pci_dev; in genwqe_probe()
1179 err = genwqe_pci_setup(cd); in genwqe_probe()
1186 err = genwqe_start(cd); in genwqe_probe()
1193 if (genwqe_is_privileged(cd)) { in genwqe_probe()
1194 err = genwqe_health_check_start(cd); in genwqe_probe()
1205 genwqe_stop(cd); in genwqe_probe()
1207 genwqe_pci_remove(cd); in genwqe_probe()
1209 genwqe_dev_free(cd); in genwqe_probe()
1221 struct genwqe_dev *cd = dev_get_drvdata(&pci_dev->dev); in genwqe_remove() local
1223 genwqe_health_check_stop(cd); in genwqe_remove()
1230 genwqe_stop(cd); in genwqe_remove()
1231 genwqe_pci_remove(cd); in genwqe_remove()
1232 genwqe_dev_free(cd); in genwqe_remove()
1246 struct genwqe_dev *cd; in genwqe_err_error_detected() local
1250 cd = dev_get_drvdata(&pci_dev->dev); in genwqe_err_error_detected()
1251 if (cd == NULL) in genwqe_err_error_detected()
1255 genwqe_health_check_stop(cd); in genwqe_err_error_detected()
1256 genwqe_stop(cd); in genwqe_err_error_detected()
1266 genwqe_pci_remove(cd); in genwqe_err_error_detected()
1274 struct genwqe_dev *cd = dev_get_drvdata(&pci_dev->dev); in genwqe_err_slot_reset() local
1276 rc = genwqe_pci_setup(cd); in genwqe_err_slot_reset()
1294 struct genwqe_dev *cd = dev_get_drvdata(&pci_dev->dev); in genwqe_err_resume() local
1296 rc = genwqe_start(cd); in genwqe_err_resume()
1298 rc = genwqe_health_check_start(cd); in genwqe_err_resume()
1312 struct genwqe_dev *cd = dev_get_drvdata(&dev->dev); in genwqe_sriov_configure() local
1315 genwqe_setup_vf_jtimer(cd); in genwqe_sriov_configure()