diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 395 |
1 files changed, 243 insertions, 152 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c index 540e0f066b26..3f0b0e9af4f3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -24,6 +24,7 @@ #include <linux/sort.h> #include "amdgpu.h" #include "umc_v6_7.h" +#include "amdgpu_ras_mgr.h" #define MAX_UMC_POISON_POLLING_TIME_SYNC 20 //ms #define MAX_UMC_HASH_STRING_SIZE 256 @@ -78,7 +79,7 @@ int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, 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); } @@ -96,67 +97,96 @@ void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev, { struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + struct amdgpu_ras_eeprom_control *control = &con->eeprom_control; unsigned int error_query_mode; int ret = 0; unsigned long err_count; amdgpu_ras_get_error_query_mode(adev, &error_query_mode); + err_data->err_addr = + kcalloc(adev->umc.max_ras_err_cnt_per_query, + sizeof(struct eeprom_table_record), GFP_KERNEL); + + /* still call query_ras_error_address to clear error status + * even NOMEM error is encountered + */ + if (!err_data->err_addr) + dev_warn(adev->dev, + "Failed to alloc memory for umc error address record!\n"); + else + err_data->err_addr_len = adev->umc.max_ras_err_cnt_per_query; + mutex_lock(&con->page_retirement_lock); - ret = amdgpu_dpm_get_ecc_info(adev, (void *)&(con->umc_ecc)); - if (ret == -EOPNOTSUPP && - error_query_mode == AMDGPU_RAS_DIRECT_ERROR_QUERY) { - if (adev->umc.ras && adev->umc.ras->ras_block.hw_ops && - adev->umc.ras->ras_block.hw_ops->query_ras_error_count) - adev->umc.ras->ras_block.hw_ops->query_ras_error_count(adev, ras_error_status); - - if (adev->umc.ras && adev->umc.ras->ras_block.hw_ops && - adev->umc.ras->ras_block.hw_ops->query_ras_error_address && - adev->umc.max_ras_err_cnt_per_query) { - err_data->err_addr = - kcalloc(adev->umc.max_ras_err_cnt_per_query, - sizeof(struct eeprom_table_record), GFP_KERNEL); - - /* still call query_ras_error_address to clear error status - * even NOMEM error is encountered - */ - if(!err_data->err_addr) - dev_warn(adev->dev, "Failed to alloc memory for " - "umc error address record!\n"); - else - err_data->err_addr_len = adev->umc.max_ras_err_cnt_per_query; - - /* umc query_ras_error_address is also responsible for clearing - * error status - */ - adev->umc.ras->ras_block.hw_ops->query_ras_error_address(adev, ras_error_status); + if (!amdgpu_ras_smu_eeprom_supported(adev)) { + ret = amdgpu_dpm_get_ecc_info(adev, (void *)&(con->umc_ecc)); + if (ret == -EOPNOTSUPP && + error_query_mode == AMDGPU_RAS_DIRECT_ERROR_QUERY) { + if (adev->umc.ras && adev->umc.ras->ras_block.hw_ops && + adev->umc.ras->ras_block.hw_ops->query_ras_error_count) + adev->umc.ras->ras_block.hw_ops->query_ras_error_count(adev, + ras_error_status); + + if (adev->umc.ras && adev->umc.ras->ras_block.hw_ops && + adev->umc.ras->ras_block.hw_ops->query_ras_error_address && + adev->umc.max_ras_err_cnt_per_query) { + err_data->err_addr = + kcalloc(adev->umc.max_ras_err_cnt_per_query, + sizeof(struct eeprom_table_record), GFP_KERNEL); + + /* still call query_ras_error_address to clear error status + * even NOMEM error is encountered + */ + if (!err_data->err_addr) + dev_warn(adev->dev, + "Failed to alloc memory for umc error address record!\n"); + else + err_data->err_addr_len = + adev->umc.max_ras_err_cnt_per_query; + + /* umc query_ras_error_address is also responsible for clearing + * error status + */ + adev->umc.ras->ras_block.hw_ops->query_ras_error_address(adev, + ras_error_status); + } + } else if (error_query_mode == AMDGPU_RAS_FIRMWARE_ERROR_QUERY || + (!ret && error_query_mode == AMDGPU_RAS_DIRECT_ERROR_QUERY)) { + if (adev->umc.ras && + adev->umc.ras->ecc_info_query_ras_error_count) + adev->umc.ras->ecc_info_query_ras_error_count(adev, + ras_error_status); + + if (adev->umc.ras && + adev->umc.ras->ecc_info_query_ras_error_address && + adev->umc.max_ras_err_cnt_per_query) { + err_data->err_addr = + kcalloc(adev->umc.max_ras_err_cnt_per_query, + sizeof(struct eeprom_table_record), GFP_KERNEL); + + /* still call query_ras_error_address to clear error status + * even NOMEM error is encountered + */ + if (!err_data->err_addr) + dev_warn(adev->dev, + "Failed to alloc memory for umc error address record!\n"); + else + err_data->err_addr_len = + adev->umc.max_ras_err_cnt_per_query; + + /* umc query_ras_error_address is also responsible for clearing + * error status + */ + adev->umc.ras->ecc_info_query_ras_error_address(adev, + ras_error_status); + } } - } else if (error_query_mode == AMDGPU_RAS_FIRMWARE_ERROR_QUERY || - (!ret && error_query_mode == AMDGPU_RAS_DIRECT_ERROR_QUERY)) { - if (adev->umc.ras && - adev->umc.ras->ecc_info_query_ras_error_count) - adev->umc.ras->ecc_info_query_ras_error_count(adev, ras_error_status); - - if (adev->umc.ras && - adev->umc.ras->ecc_info_query_ras_error_address && - adev->umc.max_ras_err_cnt_per_query) { - err_data->err_addr = - kcalloc(adev->umc.max_ras_err_cnt_per_query, - sizeof(struct eeprom_table_record), GFP_KERNEL); - - /* still call query_ras_error_address to clear error status - * even NOMEM error is encountered - */ - if(!err_data->err_addr) - dev_warn(adev->dev, "Failed to alloc memory for " - "umc error address record!\n"); - else - err_data->err_addr_len = adev->umc.max_ras_err_cnt_per_query; - - /* umc query_ras_error_address is also responsible for clearing - * error status - */ - adev->umc.ras->ecc_info_query_ras_error_address(adev, ras_error_status); + } else { + if (!amdgpu_ras_eeprom_update_record_num(control)) { + err_data->err_addr_cnt = err_data->de_count = + control->ras_num_recs - control->ras_num_recs_old; + amdgpu_ras_eeprom_read_idx(control, err_data->err_addr, + control->ras_num_recs_old, err_data->de_count); } } @@ -166,10 +196,11 @@ void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev, if ((amdgpu_bad_page_threshold != 0) && err_data->err_addr_cnt) { amdgpu_ras_add_bad_pages(adev, err_data->err_addr, - err_data->err_addr_cnt); + err_data->err_addr_cnt, amdgpu_ras_smu_eeprom_supported(adev)); amdgpu_ras_save_bad_pages(adev, &err_count); - amdgpu_dpm_send_hbm_bad_pages_num(adev, con->eeprom_control.ras_num_recs); + amdgpu_dpm_send_hbm_bad_pages_num(adev, + con->eeprom_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); @@ -195,7 +226,8 @@ static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); amdgpu_umc_handle_bad_pages(adev, ras_error_status); - if (err_data->ue_count && reset) { + if ((err_data->ue_count || err_data->de_count) && + (reset || amdgpu_ras_is_rma(adev))) { con->gpu_reset_flags |= reset; amdgpu_ras_reset_gpu(adev); } @@ -203,56 +235,6 @@ static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, return AMDGPU_RAS_SUCCESS; } -int amdgpu_umc_bad_page_polling_timeout(struct amdgpu_device *adev, - uint32_t reset, uint32_t timeout_ms) -{ - struct ras_err_data err_data; - struct ras_common_if head = { - .block = AMDGPU_RAS_BLOCK__UMC, - }; - struct ras_manager *obj = amdgpu_ras_find_obj(adev, &head); - uint32_t timeout = timeout_ms; - - memset(&err_data, 0, sizeof(err_data)); - amdgpu_ras_error_data_init(&err_data); - - do { - - amdgpu_umc_handle_bad_pages(adev, &err_data); - - if (timeout && !err_data.de_count) { - msleep(1); - timeout--; - } - - } while (timeout && !err_data.de_count); - - if (!timeout) - dev_warn(adev->dev, "Can't find bad pages\n"); - - if (err_data.de_count) - dev_info(adev->dev, "%ld new deferred hardware errors detected\n", err_data.de_count); - - if (obj) { - obj->err_data.ue_count += err_data.ue_count; - obj->err_data.ce_count += err_data.ce_count; - obj->err_data.de_count += err_data.de_count; - } - - amdgpu_ras_error_data_fini(&err_data); - - kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); - - if (reset) { - struct amdgpu_ras *con = amdgpu_ras_get_context(adev); - - con->gpu_reset_flags |= reset; - amdgpu_ras_reset_gpu(adev); - } - - return 0; -} - int amdgpu_umc_pasid_poison_handler(struct amdgpu_device *adev, enum amdgpu_ras_block block, uint16_t pasid, pasid_notify pasid_fn, void *data, uint32_t reset) @@ -292,15 +274,26 @@ int amdgpu_umc_pasid_poison_handler(struct amdgpu_device *adev, } amdgpu_ras_error_data_fini(&err_data); + } else if (amdgpu_uniras_enabled(adev)) { + struct ras_ih_info ih_info = {0}; + + ih_info.block = block; + ih_info.pasid = pasid; + ih_info.reset = reset; + ih_info.pasid_fn = pasid_fn; + ih_info.data = data; + amdgpu_ras_mgr_handle_consumer_interrupt(adev, &ih_info); } else { - struct amdgpu_ras *con = amdgpu_ras_get_context(adev); - - amdgpu_ras_put_poison_req(adev, - block, pasid, pasid_fn, data, reset); + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + int ret; + ret = amdgpu_ras_put_poison_req(adev, + block, pasid, pasid_fn, data, reset); + if (!ret) { atomic_inc(&con->page_retirement_req_cnt); - + atomic_inc(&con->poison_consumption_count); wake_up(&con->page_retirement_wq); + } } } else { if (adev->virt.ops && adev->virt.ops->ras_poison_handler) @@ -366,6 +359,9 @@ int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *r if (r) return r; + if (amdgpu_sriov_vf(adev)) + return r; + if (amdgpu_ras_is_supported(adev, ras_block->block)) { r = amdgpu_irq_get(adev, &adev->gmc.ecc_irq, 0); if (r) @@ -431,6 +427,45 @@ int amdgpu_umc_fill_error_record(struct ras_err_data *err_data, return 0; } +static int amdgpu_umc_loop_all_aid(struct amdgpu_device *adev, umc_func func, + void *data) +{ + uint32_t umc_node_inst; + uint32_t node_inst; + uint32_t umc_inst; + uint32_t ch_inst; + int ret; + + /* + * This loop is done based on the following - + * umc.active mask = mask of active umc instances across all nodes + * umc.umc_inst_num = maximum number of umc instancess per node + * umc.node_inst_num = maximum number of node instances + * Channel instances are not assumed to be harvested. + */ + dev_dbg(adev->dev, "active umcs :%lx umc_inst per node: %d", + adev->umc.active_mask, adev->umc.umc_inst_num); + for_each_set_bit(umc_node_inst, &(adev->umc.active_mask), + adev->umc.node_inst_num * adev->umc.umc_inst_num) { + node_inst = umc_node_inst / adev->umc.umc_inst_num; + umc_inst = umc_node_inst % adev->umc.umc_inst_num; + LOOP_UMC_CH_INST(ch_inst) { + dev_dbg(adev->dev, + "node_inst :%d umc_inst: %d ch_inst: %d", + node_inst, umc_inst, ch_inst); + ret = func(adev, node_inst, umc_inst, ch_inst, data); + if (ret) { + dev_err(adev->dev, + "Node %d umc %d ch %d func returns %d\n", + node_inst, umc_inst, ch_inst, ret); + return ret; + } + } + } + + return 0; +} + int amdgpu_umc_loop_channels(struct amdgpu_device *adev, umc_func func, void *data) { @@ -439,6 +474,9 @@ int amdgpu_umc_loop_channels(struct amdgpu_device *adev, uint32_t ch_inst = 0; int ret = 0; + if (adev->aid_mask) + return amdgpu_umc_loop_all_aid(adev, func, data); + if (adev->umc.node_inst_num) { LOOP_UMC_EACH_NODE_INST_AND_CH(node_inst, umc_inst, ch_inst) { ret = func(adev, node_inst, umc_inst, ch_inst, data); @@ -471,66 +509,119 @@ int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev, return 0; } -static int amdgpu_umc_uint64_cmp(const void *a, const void *b) +int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev, + struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err) { - uint64_t *addr_a = (uint64_t *)a; - uint64_t *addr_b = (uint64_t *)b; + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + struct ras_ecc_log_info *ecc_log; + int ret; - if (*addr_a > *addr_b) - return 1; - else if (*addr_a < *addr_b) - return -1; - else - return 0; + ecc_log = &con->umc_ecc_log; + + mutex_lock(&ecc_log->lock); + ret = radix_tree_insert(ecc_tree, ecc_err->pa_pfn, ecc_err); + if (!ret) + radix_tree_tag_set(ecc_tree, + ecc_err->pa_pfn, UMC_ECC_NEW_DETECTED_TAG); + mutex_unlock(&ecc_log->lock); + + return ret; } -/* Use string hash to avoid logging the same bad pages repeatedly */ -int amdgpu_umc_build_pages_hash(struct amdgpu_device *adev, - uint64_t *pfns, int len, uint64_t *val) +int amdgpu_umc_pages_in_a_row(struct amdgpu_device *adev, + struct ras_err_data *err_data, uint64_t pa_addr) { - struct amdgpu_ras *con = amdgpu_ras_get_context(adev); - char buf[MAX_UMC_HASH_STRING_SIZE] = {0}; - int offset = 0, i = 0; - uint64_t hash_val; + struct ta_ras_query_address_output addr_out; - if (!pfns || !len) + /* reinit err_data */ + err_data->err_addr_cnt = 0; + err_data->err_addr_len = adev->umc.retire_unit; + + addr_out.pa.pa = pa_addr; + if (adev->umc.ras && adev->umc.ras->convert_ras_err_addr) + return adev->umc.ras->convert_ras_err_addr(adev, err_data, NULL, + &addr_out, false); + else return -EINVAL; +} - sort(pfns, len, sizeof(uint64_t), amdgpu_umc_uint64_cmp, NULL); +int amdgpu_umc_lookup_bad_pages_in_a_row(struct amdgpu_device *adev, + uint64_t pa_addr, uint64_t *pfns, int len) +{ + int i, ret; + struct ras_err_data err_data; - for (i = 0; i < len; i++) - offset += snprintf(&buf[offset], sizeof(buf) - offset, "%llx", pfns[i]); + 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 memory in bad page lookup!\n"); + return 0; + } - hash_val = siphash(buf, offset, &con->umc_ecc_log.ecc_key); + ret = amdgpu_umc_pages_in_a_row(adev, &err_data, pa_addr); + if (ret) + goto out; - *val = hash_val; + for (i = 0; i < adev->umc.retire_unit; i++) { + if (i >= len) + goto out; - return 0; + pfns[i] = err_data.err_addr[i].retired_page; + } + ret = i; + adev->umc.err_addr_cnt = err_data.err_addr_cnt; + +out: + kfree(err_data.err_addr); + return ret; } -int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev, - struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err) +int amdgpu_umc_mca_to_addr(struct amdgpu_device *adev, + uint64_t err_addr, uint32_t ch, uint32_t umc, + uint32_t node, uint32_t socket, + struct ta_ras_query_address_output *addr_out, bool dump_addr) { - struct amdgpu_ras *con = amdgpu_ras_get_context(adev); - struct ras_ecc_log_info *ecc_log; + struct ta_ras_query_address_input addr_in; int ret; - ecc_log = &con->umc_ecc_log; + memset(&addr_in, 0, sizeof(addr_in)); + addr_in.ma.err_addr = err_addr; + addr_in.ma.ch_inst = ch; + addr_in.ma.umc_inst = umc; + addr_in.ma.node_inst = node; + addr_in.ma.socket_id = socket; + + if (adev->umc.ras && adev->umc.ras->convert_ras_err_addr) { + ret = adev->umc.ras->convert_ras_err_addr(adev, NULL, &addr_in, + addr_out, dump_addr); + if (ret) + return ret; + } else { + return 0; + } - mutex_lock(&ecc_log->lock); - ret = radix_tree_insert(ecc_tree, ecc_err->hash_index, ecc_err); - if (!ret) { - struct ras_err_pages *err_pages = &ecc_err->err_pages; - int i; + return 0; +} - /* Reserve memory */ - for (i = 0; i < err_pages->count; i++) - amdgpu_ras_reserve_page(adev, err_pages->pfn[i]); +int amdgpu_umc_pa2mca(struct amdgpu_device *adev, + uint64_t pa, uint64_t *mca, enum amdgpu_memory_partition nps) +{ + struct ta_ras_query_address_input addr_in; + struct ta_ras_query_address_output addr_out; + int ret; - radix_tree_tag_set(ecc_tree, - ecc_err->hash_index, UMC_ECC_NEW_DETECTED_TAG); + /* nps: the pa belongs to */ + addr_in.pa.pa = pa | ((uint64_t)nps << 58); + addr_in.addr_type = TA_RAS_PA_TO_MCA; + ret = psp_ras_query_address(&adev->psp, &addr_in, &addr_out); + if (ret) { + dev_warn(adev->dev, "Failed to query RAS MCA address for 0x%llx", + pa); + + return ret; } - mutex_unlock(&ecc_log->lock); - return ret; + *mca = addr_out.ma.err_addr; + + return 0; } |
