diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 345 |
1 files changed, 308 insertions, 37 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 4c9fa24dd972..f0924aa3f4e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -36,6 +36,7 @@ #include "amdgpu_xgmi.h" #include "ivsrcid/nbio/irqsrcs_nbif_7_4.h" #include "nbio_v4_3.h" +#include "nbif_v6_3_1.h" #include "nbio_v7_9.h" #include "atom.h" #include "amdgpu_reset.h" @@ -192,7 +193,7 @@ static int amdgpu_reserve_page_direct(struct amdgpu_device *adev, uint64_t addre if (amdgpu_bad_page_threshold != 0) { amdgpu_ras_add_bad_pages(adev, err_data.err_addr, - err_data.err_addr_cnt); + err_data.err_addr_cnt, false); amdgpu_ras_save_bad_pages(adev, NULL); } @@ -2015,6 +2016,7 @@ static bool amdgpu_ras_aca_is_supported(struct amdgpu_device *adev) switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) { case IP_VERSION(13, 0, 6): + case IP_VERSION(13, 0, 12): case IP_VERSION(13, 0, 14): ret = true; break; @@ -2156,6 +2158,16 @@ void amdgpu_ras_interrupt_fatal_error_handler(struct amdgpu_device *adev) /* Fatal error events are handled on host side */ if (amdgpu_sriov_vf(adev)) return; + /** + * If the current interrupt is caused by a non-fatal RAS error, skip + * check for fatal error. For fatal errors, FED status of all devices + * in XGMI hive gets set when the first device gets fatal error + * interrupt. The error gets propagated to other devices as well, so + * make sure to ack the interrupt regardless of FED status. + */ + if (!amdgpu_ras_get_fed_status(adev) && + amdgpu_ras_is_err_state(adev, AMDGPU_RAS_BLOCK__ANY)) + return; if (adev->nbio.ras && adev->nbio.ras->handle_ras_controller_intr_no_bifring) @@ -2185,6 +2197,7 @@ static void amdgpu_ras_interrupt_poison_consumption_handler(struct ras_manager * if (ret) return; + amdgpu_ras_set_err_poison(adev, block_obj->ras_comm.block); /* both query_poison_status and handle_poison_consumption are optional, * but at least one of them should be implemented if we need poison * consumption handler @@ -2717,40 +2730,203 @@ static int amdgpu_ras_realloc_eh_data_space(struct amdgpu_device *adev, return 0; } +static int amdgpu_ras_mca2pa_by_idx(struct amdgpu_device *adev, + struct eeprom_table_record *bps, + struct ras_err_data *err_data) +{ + struct ta_ras_query_address_input addr_in; + uint32_t socket = 0; + int ret = 0; + + if (adev->smuio.funcs && adev->smuio.funcs->get_socket_id) + socket = adev->smuio.funcs->get_socket_id(adev); + + /* reinit err_data */ + err_data->err_addr_cnt = 0; + err_data->err_addr_len = adev->umc.retire_unit; + + memset(&addr_in, 0, sizeof(addr_in)); + addr_in.ma.err_addr = bps->address; + addr_in.ma.socket_id = socket; + addr_in.ma.ch_inst = bps->mem_channel; + /* tell RAS TA the node instance is not used */ + addr_in.ma.node_inst = TA_RAS_INV_NODE; + + if (adev->umc.ras && adev->umc.ras->convert_ras_err_addr) + ret = adev->umc.ras->convert_ras_err_addr(adev, err_data, + &addr_in, NULL, false); + + return ret; +} + +static int amdgpu_ras_mca2pa(struct amdgpu_device *adev, + struct eeprom_table_record *bps, + struct ras_err_data *err_data) +{ + struct ta_ras_query_address_input addr_in; + uint32_t die_id, socket = 0; + + if (adev->smuio.funcs && adev->smuio.funcs->get_socket_id) + socket = adev->smuio.funcs->get_socket_id(adev); + + /* although die id is gotten from PA in nps1 mode, the id is + * fitable for any nps mode + */ + if (adev->umc.ras && adev->umc.ras->get_die_id_from_pa) + die_id = adev->umc.ras->get_die_id_from_pa(adev, bps->address, + bps->retired_page << AMDGPU_GPU_PAGE_SHIFT); + else + return -EINVAL; + + /* reinit err_data */ + err_data->err_addr_cnt = 0; + err_data->err_addr_len = adev->umc.retire_unit; + + memset(&addr_in, 0, sizeof(addr_in)); + addr_in.ma.err_addr = bps->address; + addr_in.ma.ch_inst = bps->mem_channel; + addr_in.ma.umc_inst = bps->mcumc_id; + addr_in.ma.node_inst = die_id; + addr_in.ma.socket_id = socket; + + if (adev->umc.ras && adev->umc.ras->convert_ras_err_addr) + return adev->umc.ras->convert_ras_err_addr(adev, err_data, + &addr_in, NULL, false); + else + return -EINVAL; +} + /* it deal with vram only. */ int amdgpu_ras_add_bad_pages(struct amdgpu_device *adev, - struct eeprom_table_record *bps, int pages) + struct eeprom_table_record *bps, int pages, bool from_rom) { struct amdgpu_ras *con = amdgpu_ras_get_context(adev); struct ras_err_handler_data *data; + struct ras_err_data err_data; + struct eeprom_table_record *err_rec; + struct amdgpu_ras_eeprom_control *control = + &adev->psp.ras_context.ras->eeprom_control; + enum amdgpu_memory_partition nps = AMDGPU_NPS1_PARTITION_MODE; int ret = 0; - uint32_t i; + uint32_t i, j, loop_cnt = 1; + bool find_pages_per_pa = false; if (!con || !con->eh_data || !bps || pages <= 0) return 0; + if (from_rom) { + err_data.err_addr = + kcalloc(adev->umc.retire_unit, + sizeof(struct eeprom_table_record), GFP_KERNEL); + if (!err_data.err_addr) { + dev_warn(adev->dev, "Failed to alloc UMC error address record in mca2pa conversion!\n"); + ret = -ENOMEM; + goto out; + } + + err_rec = err_data.err_addr; + loop_cnt = adev->umc.retire_unit; + if (adev->gmc.gmc_funcs->query_mem_partition_mode) + nps = adev->gmc.gmc_funcs->query_mem_partition_mode(adev); + } + mutex_lock(&con->recovery_lock); data = con->eh_data; - if (!data) - goto out; + if (!data) { + /* Returning 0 as the absence of eh_data is acceptable */ + goto free; + } for (i = 0; i < pages; i++) { - if (amdgpu_ras_check_bad_page_unlock(con, - bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT)) - continue; + if (from_rom && + control->rec_type == AMDGPU_RAS_EEPROM_REC_MCA) { + if (!find_pages_per_pa) { + if (amdgpu_ras_mca2pa_by_idx(adev, &bps[i], &err_data)) { + if (!i && nps == AMDGPU_NPS1_PARTITION_MODE) { + /* may use old RAS TA, use PA to find pages in + * one row + */ + if (amdgpu_umc_pages_in_a_row(adev, &err_data, + bps[i].retired_page << + AMDGPU_GPU_PAGE_SHIFT)) { + ret = -EINVAL; + goto free; + } else { + find_pages_per_pa = true; + } + } else { + /* unsupported cases */ + ret = -EOPNOTSUPP; + goto free; + } + } + } else { + if (amdgpu_umc_pages_in_a_row(adev, &err_data, + bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT)) { + ret = -EINVAL; + goto free; + } + } + } else { + if (from_rom && !find_pages_per_pa) { + if (bps[i].retired_page & UMC_CHANNEL_IDX_V2) { + /* bad page in any NPS mode in eeprom */ + if (amdgpu_ras_mca2pa_by_idx(adev, &bps[i], &err_data)) { + ret = -EINVAL; + goto free; + } + } else { + /* legacy bad page in eeprom, generated only in + * NPS1 mode + */ + if (amdgpu_ras_mca2pa(adev, &bps[i], &err_data)) { + /* old RAS TA or ASICs which don't support to + * convert addrss via mca address + */ + if (!i && nps == AMDGPU_NPS1_PARTITION_MODE) { + find_pages_per_pa = true; + err_rec = &bps[i]; + loop_cnt = 1; + } else { + /* non-nps1 mode, old RAS TA + * can't support it + */ + ret = -EOPNOTSUPP; + goto free; + } + } + } - if (!data->space_left && - amdgpu_ras_realloc_eh_data_space(adev, data, 256)) { - ret = -ENOMEM; - goto out; + if (!find_pages_per_pa) + i += (adev->umc.retire_unit - 1); + } else { + err_rec = &bps[i]; + } } - amdgpu_ras_reserve_page(adev, bps[i].retired_page); + for (j = 0; j < loop_cnt; j++) { + if (amdgpu_ras_check_bad_page_unlock(con, + err_rec[j].retired_page << AMDGPU_GPU_PAGE_SHIFT)) + continue; + + if (!data->space_left && + amdgpu_ras_realloc_eh_data_space(adev, data, 256)) { + ret = -ENOMEM; + goto free; + } - memcpy(&data->bps[data->count], &bps[i], sizeof(*data->bps)); - data->count++; - data->space_left--; + amdgpu_ras_reserve_page(adev, err_rec[j].retired_page); + + memcpy(&data->bps[data->count], &(err_rec[j]), + sizeof(struct eeprom_table_record)); + data->count++; + data->space_left--; + } } + +free: + if (from_rom) + kfree(err_data.err_addr); out: mutex_unlock(&con->recovery_lock); @@ -2768,7 +2944,7 @@ int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev, struct amdgpu_ras *con = amdgpu_ras_get_context(adev); struct ras_err_handler_data *data; struct amdgpu_ras_eeprom_control *control; - int save_count; + int save_count, unit_num, bad_page_num, i; if (!con || !con->eh_data) { if (new_cnt) @@ -2780,19 +2956,32 @@ int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev, mutex_lock(&con->recovery_lock); control = &con->eeprom_control; data = con->eh_data; - save_count = data->count - control->ras_num_recs; + bad_page_num = control->ras_num_bad_pages; + save_count = data->count - bad_page_num; mutex_unlock(&con->recovery_lock); + unit_num = save_count / adev->umc.retire_unit; if (new_cnt) - *new_cnt = save_count / adev->umc.retire_unit; + *new_cnt = unit_num; /* only new entries are saved */ if (save_count > 0) { - if (amdgpu_ras_eeprom_append(control, - &data->bps[control->ras_num_recs], - save_count)) { - dev_err(adev->dev, "Failed to save EEPROM table data!"); - return -EIO; + if (control->rec_type == AMDGPU_RAS_EEPROM_REC_PA) { + if (amdgpu_ras_eeprom_append(control, + &data->bps[control->ras_num_recs], + save_count)) { + dev_err(adev->dev, "Failed to save EEPROM table data!"); + return -EIO; + } + } else { + for (i = 0; i < unit_num; i++) { + if (amdgpu_ras_eeprom_append(control, + &data->bps[bad_page_num + i * adev->umc.retire_unit], + 1)) { + dev_err(adev->dev, "Failed to save EEPROM table data!"); + return -EIO; + } + } } dev_info(adev->dev, "Saved %d pages to EEPROM table.\n", save_count); @@ -2821,11 +3010,32 @@ static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev) return -ENOMEM; ret = amdgpu_ras_eeprom_read(control, bps, control->ras_num_recs); - if (ret) + if (ret) { dev_err(adev->dev, "Failed to load EEPROM table records!"); - else - ret = amdgpu_ras_add_bad_pages(adev, bps, control->ras_num_recs); + } else { + if (control->ras_num_recs > 1 && + adev->umc.ras && adev->umc.ras->convert_ras_err_addr) { + if ((bps[0].address == bps[1].address) && + (bps[0].mem_channel == bps[1].mem_channel)) + control->rec_type = AMDGPU_RAS_EEPROM_REC_PA; + else + control->rec_type = AMDGPU_RAS_EEPROM_REC_MCA; + } + + ret = amdgpu_ras_eeprom_check(control); + if (ret) + goto out; + + /* HW not usable */ + if (amdgpu_ras_is_rma(adev)) { + ret = -EHWPOISON; + goto out; + } + ret = amdgpu_ras_add_bad_pages(adev, bps, control->ras_num_recs, true); + } + +out: kfree(bps); return ret; } @@ -3205,31 +3415,36 @@ static int amdgpu_ras_page_retirement_thread(void *param) int amdgpu_ras_init_badpage_info(struct amdgpu_device *adev) { struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + struct amdgpu_ras_eeprom_control *control; int ret; if (!con || amdgpu_sriov_vf(adev)) return 0; - ret = amdgpu_ras_eeprom_init(&con->eeprom_control); - + control = &con->eeprom_control; + ret = amdgpu_ras_eeprom_init(control); if (ret) return ret; - /* HW not usable */ - if (amdgpu_ras_is_rma(adev)) - return -EHWPOISON; + if (!adev->umc.ras || !adev->umc.ras->convert_ras_err_addr) + control->rec_type = AMDGPU_RAS_EEPROM_REC_PA; + + /* default status is MCA storage */ + if (control->ras_num_recs <= 1 && + adev->umc.ras && adev->umc.ras->convert_ras_err_addr) + control->rec_type = AMDGPU_RAS_EEPROM_REC_MCA; - if (con->eeprom_control.ras_num_recs) { + if (control->ras_num_recs) { ret = amdgpu_ras_load_bad_pages(adev); if (ret) return ret; amdgpu_dpm_send_hbm_bad_pages_num( - adev, con->eeprom_control.ras_num_recs); + adev, control->ras_num_bad_pages); if (con->update_channel_flag == true) { amdgpu_dpm_send_hbm_bad_channel_flag( - adev, con->eeprom_control.bad_channel_bitmap); + adev, control->bad_channel_bitmap); con->update_channel_flag = false; } } @@ -3366,6 +3581,7 @@ static bool amdgpu_ras_asic_supported(struct amdgpu_device *adev) switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) { case IP_VERSION(13, 0, 2): case IP_VERSION(13, 0, 6): + case IP_VERSION(13, 0, 12): case IP_VERSION(13, 0, 14): return true; default: @@ -3378,7 +3594,9 @@ static bool amdgpu_ras_asic_supported(struct amdgpu_device *adev) case IP_VERSION(13, 0, 0): case IP_VERSION(13, 0, 6): case IP_VERSION(13, 0, 10): + case IP_VERSION(13, 0, 12): case IP_VERSION(13, 0, 14): + case IP_VERSION(14, 0, 3): return true; default: return false; @@ -3629,6 +3847,7 @@ static void amdgpu_ras_init_reserved_vram_size(struct amdgpu_device *adev) switch (amdgpu_ip_version(adev, MP0_HWIP, 0)) { case IP_VERSION(13, 0, 2): case IP_VERSION(13, 0, 6): + case IP_VERSION(13, 0, 12): case IP_VERSION(13, 0, 14): con->reserved_pages_in_bytes = AMDGPU_RAS_RESERVED_VRAM_SIZE; break; @@ -3704,7 +3923,19 @@ int amdgpu_ras_init(struct amdgpu_device *adev) * check DF RAS */ adev->nbio.ras = &nbio_v4_3_ras; break; + case IP_VERSION(6, 3, 1): + if (adev->ras_hw_enabled & (1 << AMDGPU_RAS_BLOCK__DF)) + /* unlike other generation of nbio ras, + * nbif v6_3_1 only support fatal error interrupt + * to inform software that DF is freezed due to + * system fatal error event. driver should not + * enable nbio ras in such case. Instead, + * check DF RAS + */ + adev->nbio.ras = &nbif_v6_3_1_ras; + break; case IP_VERSION(7, 9, 0): + case IP_VERSION(7, 9, 1): if (!adev->gmc.is_app_apu) adev->nbio.ras = &nbio_v7_9_ras; break; @@ -4083,7 +4314,7 @@ bool amdgpu_ras_get_fed_status(struct amdgpu_device *adev) if (!ras) return false; - return atomic_read(&ras->fed); + return test_bit(AMDGPU_RAS_BLOCK__LAST, &ras->ras_err_state); } void amdgpu_ras_set_fed(struct amdgpu_device *adev, bool status) @@ -4091,8 +4322,48 @@ void amdgpu_ras_set_fed(struct amdgpu_device *adev, bool status) struct amdgpu_ras *ras; ras = amdgpu_ras_get_context(adev); + if (ras) { + if (status) + set_bit(AMDGPU_RAS_BLOCK__LAST, &ras->ras_err_state); + else + clear_bit(AMDGPU_RAS_BLOCK__LAST, &ras->ras_err_state); + } +} + +void amdgpu_ras_clear_err_state(struct amdgpu_device *adev) +{ + struct amdgpu_ras *ras; + + ras = amdgpu_ras_get_context(adev); + if (ras) + ras->ras_err_state = 0; +} + +void amdgpu_ras_set_err_poison(struct amdgpu_device *adev, + enum amdgpu_ras_block block) +{ + struct amdgpu_ras *ras; + + ras = amdgpu_ras_get_context(adev); if (ras) - atomic_set(&ras->fed, !!status); + set_bit(block, &ras->ras_err_state); +} + +bool amdgpu_ras_is_err_state(struct amdgpu_device *adev, int block) +{ + struct amdgpu_ras *ras; + + ras = amdgpu_ras_get_context(adev); + if (ras) { + if (block == AMDGPU_RAS_BLOCK__ANY) + return (ras->ras_err_state != 0); + else + return test_bit(block, &ras->ras_err_state) || + test_bit(AMDGPU_RAS_BLOCK__LAST, + &ras->ras_err_state); + } + + return false; } static struct ras_event_manager *__get_ras_event_mgr(struct amdgpu_device *adev) |