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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c new file mode 100644 index 0000000000..db0d94ca4f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -0,0 +1,339 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "amdgpu.h" +#include "umc_v6_7.h" + +static int amdgpu_umc_convert_error_address(struct amdgpu_device *adev, + struct ras_err_data *err_data, uint64_t err_addr, + uint32_t ch_inst, uint32_t umc_inst) +{ + switch (adev->ip_versions[UMC_HWIP][0]) { + case IP_VERSION(6, 7, 0): + umc_v6_7_convert_error_address(adev, + err_data, err_addr, ch_inst, umc_inst); + break; + default: + dev_warn(adev->dev, + "UMC address to Physical address translation is not supported\n"); + return AMDGPU_RAS_FAIL; + } + + return AMDGPU_RAS_SUCCESS; +} + +int amdgpu_umc_page_retirement_mca(struct amdgpu_device *adev, + uint64_t err_addr, uint32_t ch_inst, uint32_t umc_inst) +{ + struct ras_err_data err_data = {0, 0, 0, NULL}; + int ret = AMDGPU_RAS_FAIL; + + err_data.err_addr = + kcalloc(adev->umc.max_ras_err_cnt_per_query, + sizeof(struct eeprom_table_record), GFP_KERNEL); + if (!err_data.err_addr) { + dev_warn(adev->dev, + "Failed to alloc memory for umc error record in MCA notifier!\n"); + return AMDGPU_RAS_FAIL; + } + + /* + * Translate UMC channel address to Physical address + */ + ret = amdgpu_umc_convert_error_address(adev, &err_data, err_addr, + ch_inst, umc_inst); + if (ret) + goto out; + + if (amdgpu_bad_page_threshold != 0) { + amdgpu_ras_add_bad_pages(adev, err_data.err_addr, + err_data.err_addr_cnt); + amdgpu_ras_save_bad_pages(adev, NULL); + } + +out: + kfree(err_data.err_addr); + return ret; +} + +static int amdgpu_umc_do_page_retirement(struct amdgpu_device *adev, + void *ras_error_status, + struct amdgpu_iv_entry *entry, + bool reset) +{ + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + int ret = 0; + + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + ret = amdgpu_dpm_get_ecc_info(adev, (void *)&(con->umc_ecc)); + if (ret == -EOPNOTSUPP) { + 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"); + + /* 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) { + 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"); + + /* 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); + } + } + + /* 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 ((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)); + + amdgpu_dpm_send_hbm_bad_pages_num(adev, con->eeprom_control.ras_num_recs); + + 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) + amdgpu_ras_reset_gpu(adev); + } + + kfree(err_data->err_addr); + return AMDGPU_RAS_SUCCESS; +} + +int amdgpu_umc_poison_handler(struct amdgpu_device *adev, bool reset) +{ + int ret = AMDGPU_RAS_SUCCESS; + + if (adev->gmc.xgmi.connected_to_cpu || + adev->gmc.is_app_apu) { + if (reset) { + /* MCA poison handler is only responsible for GPU reset, + * let MCA notifier do page retirement. + */ + kgd2kfd_set_sram_ecc_flag(adev->kfd.dev); + amdgpu_ras_reset_gpu(adev); + } + return ret; + } + + if (!amdgpu_sriov_vf(adev)) { + struct ras_err_data err_data = {0, 0, 0, NULL}; + struct ras_common_if head = { + .block = AMDGPU_RAS_BLOCK__UMC, + }; + struct ras_manager *obj = amdgpu_ras_find_obj(adev, &head); + + 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; + } + } else { + if (adev->virt.ops && adev->virt.ops->ras_poison_handler) + adev->virt.ops->ras_poison_handler(adev); + else + dev_warn(adev->dev, + "No ras_poison_handler interface in SRIOV!\n"); + } + + return ret; +} + +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); +} + +int amdgpu_umc_ras_sw_init(struct amdgpu_device *adev) +{ + int err; + struct amdgpu_umc_ras *ras; + + if (!adev->umc.ras) + return 0; + + ras = adev->umc.ras; + + err = amdgpu_ras_register_ras_block(adev, &ras->ras_block); + if (err) { + dev_err(adev->dev, "Failed to register umc ras block!\n"); + return err; + } + + strcpy(adev->umc.ras->ras_block.ras_comm.name, "umc"); + ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__UMC; + ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; + adev->umc.ras_if = &ras->ras_block.ras_comm; + + if (!ras->ras_block.ras_late_init) + ras->ras_block.ras_late_init = amdgpu_umc_ras_late_init; + + if (!ras->ras_block.ras_cb) + ras->ras_block.ras_cb = amdgpu_umc_process_ras_data_cb; + + return 0; +} + +int amdgpu_umc_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block) +{ + int r; + + r = amdgpu_ras_block_late_init(adev, ras_block); + if (r) + return r; + + if (amdgpu_ras_is_supported(adev, ras_block->block)) { + r = amdgpu_irq_get(adev, &adev->gmc.ecc_irq, 0); + if (r) + goto late_fini; + } + + /* ras init of specific umc version */ + if (adev->umc.ras && + adev->umc.ras->err_cnt_init) + adev->umc.ras->err_cnt_init(adev); + + return 0; + +late_fini: + amdgpu_ras_block_late_fini(adev, ras_block); + return r; +} + +int amdgpu_umc_process_ecc_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry) +{ + struct ras_common_if *ras_if = adev->umc.ras_if; + struct ras_dispatch_if ih_data = { + .entry = entry, + }; + + if (!ras_if) + return 0; + + ih_data.head = *ras_if; + + amdgpu_ras_interrupt_dispatch(adev, &ih_data); + return 0; +} + +void 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]; + + err_rec->address = err_addr; + /* page frame address is saved */ + err_rec->retired_page = retired_page >> AMDGPU_GPU_PAGE_SHIFT; + err_rec->ts = (uint64_t)ktime_get_real_seconds(); + err_rec->err_type = AMDGPU_RAS_EEPROM_ERR_NON_RECOVERABLE; + err_rec->cu = 0; + err_rec->mem_channel = channel_index; + err_rec->mcumc_id = umc_inst; + + err_data->err_addr_cnt++; +} + +int amdgpu_umc_loop_channels(struct amdgpu_device *adev, + umc_func func, void *data) +{ + uint32_t node_inst = 0; + uint32_t umc_inst = 0; + uint32_t ch_inst = 0; + int ret = 0; + + 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); + 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; + } + } + } else { + LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { + ret = func(adev, 0, umc_inst, ch_inst, data); + if (ret) { + dev_err(adev->dev, "Umc %d ch %d func returns %d\n", + umc_inst, ch_inst, ret); + return ret; + } + } + } + + return 0; +} |