diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c | 222 |
1 files changed, 208 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c index 5a828c175e3a..0734490347db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c @@ -27,6 +27,16 @@ #include "umc/umc_6_7_0_offset.h" #include "umc/umc_6_7_0_sh_mask.h" +static bool amdgpu_mca_is_deferred_error(struct amdgpu_device *adev, + uint64_t mc_status) +{ + if (adev->umc.ras->check_ecc_err_status) + return adev->umc.ras->check_ecc_err_status(adev, + AMDGPU_MCA_ERROR_TYPE_DE, &mc_status); + + return false; +} + void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev, uint64_t mc_status_addr, unsigned long *error_count) @@ -143,6 +153,46 @@ int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev) return 0; } +void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set) +{ + if (!mca_set) + return; + + memset(mca_set, 0, sizeof(*mca_set)); + INIT_LIST_HEAD(&mca_set->list); +} + +int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_entry *entry) +{ + struct mca_bank_node *node; + + if (!entry) + return -EINVAL; + + node = kvzalloc(sizeof(*node), GFP_KERNEL); + if (!node) + return -ENOMEM; + + memcpy(&node->entry, entry, sizeof(*entry)); + + INIT_LIST_HEAD(&node->node); + list_add_tail(&node->node, &mca_set->list); + + mca_set->nr_entries++; + + return 0; +} + +void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set) +{ + struct mca_bank_node *node, *tmp; + + list_for_each_entry_safe(node, tmp, &mca_set->list, node) { + list_del(&node->node); + kvfree(node); + } +} + void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct amdgpu_mca_smu_funcs *mca_funcs) { struct amdgpu_mca *mca = &adev->mca; @@ -160,6 +210,83 @@ int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable) return -EOPNOTSUPP; } +static void amdgpu_mca_smu_mca_bank_dump(struct amdgpu_device *adev, int idx, struct mca_bank_entry *entry, + struct ras_query_context *qctx) +{ + u64 event_id = qctx->event_id; + + RAS_EVENT_LOG(adev, event_id, HW_ERR "Accelerator Check Architecture events logged\n"); + RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].STATUS=0x%016llx\n", + idx, entry->regs[MCA_REG_IDX_STATUS]); + RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].ADDR=0x%016llx\n", + idx, entry->regs[MCA_REG_IDX_ADDR]); + RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].MISC0=0x%016llx\n", + idx, entry->regs[MCA_REG_IDX_MISC0]); + RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].IPID=0x%016llx\n", + idx, entry->regs[MCA_REG_IDX_IPID]); + RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].SYND=0x%016llx\n", + idx, entry->regs[MCA_REG_IDX_SYND]); +} + +int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type, + struct ras_err_data *err_data, struct ras_query_context *qctx) +{ + struct amdgpu_smuio_mcm_config_info mcm_info; + struct ras_err_addr err_addr = {0}; + struct mca_bank_set mca_set; + struct mca_bank_node *node; + struct mca_bank_entry *entry; + uint32_t count; + int ret, i = 0; + + amdgpu_mca_bank_set_init(&mca_set); + + ret = amdgpu_mca_smu_get_mca_set(adev, blk, type, &mca_set); + if (ret) + goto out_mca_release; + + list_for_each_entry(node, &mca_set.list, node) { + entry = &node->entry; + + amdgpu_mca_smu_mca_bank_dump(adev, i++, entry, qctx); + + count = 0; + ret = amdgpu_mca_smu_parse_mca_error_count(adev, blk, type, entry, &count); + if (ret) + goto out_mca_release; + + if (!count) + continue; + + mcm_info.socket_id = entry->info.socket_id; + mcm_info.die_id = entry->info.aid; + + if (blk == AMDGPU_RAS_BLOCK__UMC) { + err_addr.err_status = entry->regs[MCA_REG_IDX_STATUS]; + err_addr.err_ipid = entry->regs[MCA_REG_IDX_IPID]; + err_addr.err_addr = entry->regs[MCA_REG_IDX_ADDR]; + } + + if (type == AMDGPU_MCA_ERROR_TYPE_UE) + amdgpu_ras_error_statistic_ue_count(err_data, + &mcm_info, &err_addr, (uint64_t)count); + else { + if (amdgpu_mca_is_deferred_error(adev, entry->regs[MCA_REG_IDX_STATUS])) + amdgpu_ras_error_statistic_de_count(err_data, + &mcm_info, &err_addr, (uint64_t)count); + else + amdgpu_ras_error_statistic_ce_count(err_data, + &mcm_info, &err_addr, (uint64_t)count); + } + } + +out_mca_release: + amdgpu_mca_bank_set_release(&mca_set); + + return ret; +} + + int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, uint32_t *count) { const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; @@ -173,17 +300,77 @@ int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum amdgpu_m return -EOPNOTSUPP; } -int amdgpu_mca_smu_get_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk, - enum amdgpu_mca_error_type type, uint32_t *count) +int amdgpu_mca_smu_get_mca_set_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk, + enum amdgpu_mca_error_type type, uint32_t *total) { const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; - if (!count) + struct mca_bank_set mca_set; + struct mca_bank_node *node; + struct mca_bank_entry *entry; + uint32_t count; + int ret; + + if (!total) return -EINVAL; - if (mca_funcs && mca_funcs->mca_get_error_count) - return mca_funcs->mca_get_error_count(adev, blk, type, count); + if (!mca_funcs) + return -EOPNOTSUPP; - return -EOPNOTSUPP; + if (!mca_funcs->mca_get_ras_mca_set || !mca_funcs->mca_get_valid_mca_count) + return -EOPNOTSUPP; + + amdgpu_mca_bank_set_init(&mca_set); + + ret = mca_funcs->mca_get_ras_mca_set(adev, blk, type, &mca_set); + if (ret) + goto err_mca_set_release; + + *total = 0; + list_for_each_entry(node, &mca_set.list, node) { + entry = &node->entry; + + count = 0; + ret = mca_funcs->mca_parse_mca_error_count(adev, blk, type, entry, &count); + if (ret) + goto err_mca_set_release; + + *total += count; + } + +err_mca_set_release: + amdgpu_mca_bank_set_release(&mca_set); + + return ret; +} + +int amdgpu_mca_smu_parse_mca_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk, + enum amdgpu_mca_error_type type, struct mca_bank_entry *entry, uint32_t *count) +{ + const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; + if (!count || !entry) + return -EINVAL; + + if (!mca_funcs || !mca_funcs->mca_parse_mca_error_count) + return -EOPNOTSUPP; + + + return mca_funcs->mca_parse_mca_error_count(adev, blk, type, entry, count); +} + +int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum amdgpu_ras_block blk, + enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set) +{ + const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; + + if (!mca_set) + return -EINVAL; + + if (!mca_funcs || !mca_funcs->mca_get_ras_mca_set) + return -EOPNOTSUPP; + + WARN_ON(!list_empty(&mca_set->list)); + + return mca_funcs->mca_get_ras_mca_set(adev, blk, type, mca_set); } int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, @@ -192,6 +379,9 @@ int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_err const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs; int count; + if (!mca_funcs || !mca_funcs->mca_get_mca_entry) + return -EOPNOTSUPP; + switch (type) { case AMDGPU_MCA_ERROR_TYPE_UE: count = mca_funcs->max_ue_count; @@ -206,10 +396,7 @@ int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_err if (idx >= count) return -EINVAL; - if (mca_funcs && mca_funcs->mca_get_mca_entry) - return mca_funcs->mca_get_mca_entry(adev, type, idx, entry); - - return -EOPNOTSUPP; + return mca_funcs->mca_get_mca_entry(adev, type, idx, entry); } #if defined(CONFIG_DEBUG_FS) @@ -218,7 +405,7 @@ static int amdgpu_mca_smu_debug_mode_set(void *data, u64 val) struct amdgpu_device *adev = (struct amdgpu_device *)data; int ret; - ret = amdgpu_mca_smu_set_debug_mode(adev, val ? true : false); + ret = amdgpu_ras_set_mca_debug_mode(adev, val ? true : false); if (ret) return ret; @@ -230,14 +417,21 @@ static int amdgpu_mca_smu_debug_mode_set(void *data, u64 val) static void mca_dump_entry(struct seq_file *m, struct mca_bank_entry *entry) { int i, idx = entry->idx; + int reg_idx_array[] = { + MCA_REG_IDX_STATUS, + MCA_REG_IDX_ADDR, + MCA_REG_IDX_MISC0, + MCA_REG_IDX_IPID, + MCA_REG_IDX_SYND, + }; seq_printf(m, "mca entry[%d].type: %s\n", idx, entry->type == AMDGPU_MCA_ERROR_TYPE_UE ? "UE" : "CE"); seq_printf(m, "mca entry[%d].ip: %d\n", idx, entry->ip); seq_printf(m, "mca entry[%d].info: socketid:%d aid:%d hwid:0x%03x mcatype:0x%04x\n", idx, entry->info.socket_id, entry->info.aid, entry->info.hwid, entry->info.mcatype); - for (i = 0; i < ARRAY_SIZE(entry->regs); i++) - seq_printf(m, "mca entry[%d].regs[%d]: 0x%016llx\n", idx, i, entry->regs[i]); + for (i = 0; i < ARRAY_SIZE(reg_idx_array); i++) + seq_printf(m, "mca entry[%d].regs[%d]: 0x%016llx\n", idx, reg_idx_array[i], entry->regs[reg_idx_array[i]]); } static int mca_dump_show(struct seq_file *m, enum amdgpu_mca_error_type type) @@ -319,7 +513,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(mca_debug_mode_fops, NULL, amdgpu_mca_smu_debug_mode_se void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root) { #if defined(CONFIG_DEBUG_FS) - if (!root || adev->ip_versions[MP1_HWIP][0] != IP_VERSION(13, 0, 6)) + if (!root || amdgpu_ip_version(adev, MP1_HWIP, 0) != IP_VERSION(13, 0, 6)) return; debugfs_create_file("mca_debug_mode", 0200, root, adev, &mca_debug_mode_fops); |