diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 249 |
1 files changed, 206 insertions, 43 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c index d65e21914d8c..eafe20d8fe0b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -21,8 +21,12 @@ * */ +#include <linux/sort.h> #include "amdgpu.h" #include "umc_v6_7.h" +#define MAX_UMC_POISON_POLLING_TIME_SYNC 20 //ms + +#define MAX_UMC_HASH_STRING_SIZE 256 static int amdgpu_umc_convert_error_address(struct amdgpu_device *adev, struct ras_err_data *err_data, uint64_t err_addr, @@ -62,6 +66,8 @@ int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, goto out_fini_err_data; } + err_data.err_addr_len = adev->umc.max_ras_err_cnt_per_query; + /* * Translate UMC channel address to Physical address */ @@ -72,7 +78,7 @@ 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); } @@ -85,18 +91,21 @@ out_fini_err_data: return ret; } -static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, - void *ras_error_status, - struct amdgpu_iv_entry *entry, - bool reset) +void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev, + void *ras_error_status) { struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + unsigned int error_query_mode; int ret = 0; + unsigned long err_count; - kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + amdgpu_ras_get_error_query_mode(adev, &error_query_mode); + + mutex_lock(&con->page_retirement_lock); ret = amdgpu_dpm_get_ecc_info(adev, (void *)&(con->umc_ecc)); - if (ret == -EOPNOTSUPP) { + 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); @@ -114,13 +123,16 @@ static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, 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 (!ret) { + } 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); @@ -138,6 +150,8 @@ static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, 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 @@ -147,38 +161,53 @@ static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, } /* only uncorrectable error needs gpu reset */ - if (err_data->ue_count) { - dev_info(adev->dev, "%ld uncorrectable hardware errors " - "detected in UMC block\n", - err_data->ue_count); - + if (err_data->ue_count || err_data->de_count) { + err_count = err_data->ue_count + err_data->de_count; 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); - amdgpu_ras_save_bad_pages(adev, &(err_data->ue_count)); + err_data->err_addr_cnt, false); + 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); con->update_channel_flag = false; } } - - if (reset) { - /* use mode-2 reset for poison consumption */ - if (!entry) - con->gpu_reset_flags |= AMDGPU_RAS_GPU_RESET_MODE2_RESET; - amdgpu_ras_reset_gpu(adev); - } } kfree(err_data->err_addr); + err_data->err_addr = NULL; + + mutex_unlock(&con->page_retirement_lock); +} + +static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, + void *ras_error_status, + struct amdgpu_iv_entry *entry, + uint32_t reset) +{ + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + amdgpu_umc_handle_bad_pages(adev, ras_error_status); + + 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); + } + return AMDGPU_RAS_SUCCESS; } -int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset) +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) { int ret = AMDGPU_RAS_SUCCESS; @@ -195,27 +224,40 @@ int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset) } if (!amdgpu_sriov_vf(adev)) { - 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); + if (amdgpu_ip_version(adev, UMC_HWIP, 0) < IP_VERSION(12, 0, 0)) { + 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); + + ret = amdgpu_ras_error_data_init(&err_data); + if (ret) + return ret; - ret = amdgpu_ras_error_data_init(&err_data); - if (ret) - return ret; + ret = amdgpu_umc_do_page_retirement(adev, &err_data, NULL, reset); - ret = amdgpu_umc_do_page_retirement(adev, &err_data, NULL, reset); + if (ret == AMDGPU_RAS_SUCCESS && 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; + } - if (ret == AMDGPU_RAS_SUCCESS && obj) { - obj->err_data.ue_count += err_data.ue_count; - obj->err_data.ce_count += err_data.ce_count; - } + amdgpu_ras_error_data_fini(&err_data); + } else { + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + int ret; - amdgpu_ras_error_data_fini(&err_data); + ret = amdgpu_ras_put_poison_req(adev, + block, pasid, pasid_fn, data, reset); + if (!ret) { + atomic_inc(&con->page_retirement_req_cnt); + wake_up(&con->page_retirement_wq); + } + } } else { if (adev->virt.ops && adev->virt.ops->ras_poison_handler) - adev->virt.ops->ras_poison_handler(adev); + adev->virt.ops->ras_poison_handler(adev, block); else dev_warn(adev->dev, "No ras_poison_handler interface in SRIOV!\n"); @@ -224,11 +266,19 @@ int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset) return ret; } +int amdgpu_umc_poison_handler(struct amdgpu_device *adev, + enum amdgpu_ras_block block, uint32_t reset) +{ + return amdgpu_umc_pasid_poison_handler(adev, + block, 0, NULL, NULL, reset); +} + int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev, void *ras_error_status, struct amdgpu_iv_entry *entry) { - return amdgpu_umc_do_page_retirement(adev, ras_error_status, entry, true); + return amdgpu_umc_do_page_retirement(adev, ras_error_status, entry, + AMDGPU_RAS_GPU_RESET_MODE1_RESET); } int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev) @@ -269,6 +319,9 @@ 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) @@ -305,14 +358,20 @@ int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev, return 0; } -void amdgpu_umc_fill_error_record(struct ras_err_data *err_data, +int amdgpu_umc_fill_error_record(struct ras_err_data *err_data, uint64_t err_addr, uint64_t retired_page, uint32_t channel_index, uint32_t umc_inst) { - struct eeprom_table_record *err_rec = - &err_data->err_addr[err_data->err_addr_cnt]; + struct eeprom_table_record *err_rec; + + if (!err_data || + !err_data->err_addr || + (err_data->err_addr_cnt >= err_data->err_addr_len)) + return -EINVAL; + + err_rec = &err_data->err_addr[err_data->err_addr_cnt]; err_rec->address = err_addr; /* page frame address is saved */ @@ -324,6 +383,8 @@ void amdgpu_umc_fill_error_record(struct ras_err_data *err_data, err_rec->mcumc_id = umc_inst; err_data->err_addr_cnt++; + + return 0; } int amdgpu_umc_loop_channels(struct amdgpu_device *adev, @@ -356,3 +417,105 @@ int amdgpu_umc_loop_channels(struct amdgpu_device *adev, return 0; } + +int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev, + uint64_t status, uint64_t ipid, uint64_t addr) +{ + if (adev->umc.ras->update_ecc_status) + return adev->umc.ras->update_ecc_status(adev, + status, ipid, addr); + return 0; +} + +int amdgpu_umc_logs_ecc_err(struct amdgpu_device *adev, + struct radix_tree_root *ecc_tree, struct ras_ecc_err *ecc_err) +{ + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + struct ras_ecc_log_info *ecc_log; + int ret; + + 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; +} + +int amdgpu_umc_pages_in_a_row(struct amdgpu_device *adev, + struct ras_err_data *err_data, uint64_t pa_addr) +{ + struct ta_ras_query_address_output addr_out; + + /* 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; +} + +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; + + 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; + } + + ret = amdgpu_umc_pages_in_a_row(adev, &err_data, pa_addr); + if (ret) + goto out; + + for (i = 0; i < adev->umc.retire_unit; i++) { + if (i >= len) + goto out; + + pfns[i] = err_data.err_addr[i].retired_page; + } + ret = i; + +out: + kfree(err_data.err_addr); + return ret; +} + +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 ta_ras_query_address_input addr_in; + int ret; + + 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; + } + + return 0; +} |