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fb4d5891ce
So the code can be simplified. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
446 lines
15 KiB
C
446 lines
15 KiB
C
/*
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* Copyright 2020 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "umc_v8_7.h"
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#include "amdgpu_ras.h"
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#include "amdgpu_umc.h"
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#include "amdgpu.h"
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#include "rsmu/rsmu_0_0_2_offset.h"
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#include "rsmu/rsmu_0_0_2_sh_mask.h"
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#include "umc/umc_8_7_0_offset.h"
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#include "umc/umc_8_7_0_sh_mask.h"
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#define UMC_8_INST_DIST 0x40000
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const uint32_t
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umc_v8_7_channel_idx_tbl[UMC_V8_7_UMC_INSTANCE_NUM][UMC_V8_7_CHANNEL_INSTANCE_NUM] = {
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{2, 11}, {4, 13},
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{1, 8}, {7, 14},
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{10, 3}, {12, 5},
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{9, 0}, {15, 6}
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};
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static inline uint32_t get_umc_v8_7_reg_offset(struct amdgpu_device *adev,
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uint32_t umc_inst,
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uint32_t ch_inst)
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{
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return adev->umc.channel_offs*ch_inst + UMC_8_INST_DIST*umc_inst;
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}
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static void umc_v8_7_ecc_info_query_correctable_error_count(struct amdgpu_device *adev,
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uint32_t umc_inst, uint32_t ch_inst,
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unsigned long *error_count)
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{
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uint64_t mc_umc_status;
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uint32_t eccinfo_table_idx;
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struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
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eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
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/* check for SRAM correctable error
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* MCUMC_STATUS is a 64 bit register
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*/
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mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
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if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)
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*error_count += 1;
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}
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static void umc_v8_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device *adev,
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uint32_t umc_inst, uint32_t ch_inst,
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unsigned long *error_count)
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{
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uint64_t mc_umc_status;
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uint32_t eccinfo_table_idx;
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struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
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eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
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/* check the MCUMC_STATUS */
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mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
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if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
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(REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1))
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*error_count += 1;
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}
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static void umc_v8_7_ecc_info_query_ras_error_count(struct amdgpu_device *adev,
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void *ras_error_status)
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{
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struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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/* TODO: driver needs to toggle DF Cstate to ensure
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* safe access of UMC registers. Will add the protection
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*/
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_v8_7_ecc_info_query_correctable_error_count(adev,
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umc_inst, ch_inst,
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&(err_data->ce_count));
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umc_v8_7_ecc_info_querry_uncorrectable_error_count(adev,
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umc_inst, ch_inst,
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&(err_data->ue_count));
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}
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}
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static void umc_v8_7_convert_error_address(struct amdgpu_device *adev,
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struct ras_err_data *err_data, uint64_t err_addr,
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uint32_t ch_inst, uint32_t umc_inst)
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{
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uint64_t retired_page;
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uint32_t channel_index;
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channel_index =
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adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
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/* translate umc channel address to soc pa, 3 parts are included */
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retired_page = ADDR_OF_4KB_BLOCK(err_addr) |
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ADDR_OF_256B_BLOCK(channel_index) |
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OFFSET_IN_256B_BLOCK(err_addr);
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amdgpu_umc_fill_error_record(err_data, err_addr,
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retired_page, channel_index, umc_inst);
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}
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static void umc_v8_7_ecc_info_query_error_address(struct amdgpu_device *adev,
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struct ras_err_data *err_data,
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uint32_t ch_inst,
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uint32_t umc_inst)
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{
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uint64_t mc_umc_status, err_addr;
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uint32_t eccinfo_table_idx;
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struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
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eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
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mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
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if (mc_umc_status == 0)
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return;
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if (!err_data->err_addr)
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return;
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/* calculate error address if ue error is detected */
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if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
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err_addr = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_addr;
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err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
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umc_v8_7_convert_error_address(adev, err_data, err_addr,
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ch_inst, umc_inst);
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}
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}
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static void umc_v8_7_ecc_info_query_ras_error_address(struct amdgpu_device *adev,
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void *ras_error_status)
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{
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struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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/* TODO: driver needs to toggle DF Cstate to ensure
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* safe access of UMC resgisters. Will add the protection
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* when firmware interface is ready
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*/
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_v8_7_ecc_info_query_error_address(adev,
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err_data,
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ch_inst,
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umc_inst);
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}
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}
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static void umc_v8_7_clear_error_count_per_channel(struct amdgpu_device *adev,
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uint32_t umc_reg_offset)
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{
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uint32_t ecc_err_cnt_addr;
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uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
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ecc_err_cnt_sel_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
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ecc_err_cnt_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
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/* select the lower chip */
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ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
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umc_reg_offset) * 4);
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
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UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 0);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
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ecc_err_cnt_sel);
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/* clear lower chip error count */
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WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
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UMC_V8_7_CE_CNT_INIT);
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/* select the higher chip */
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ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
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umc_reg_offset) * 4);
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
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UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 1);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
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ecc_err_cnt_sel);
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/* clear higher chip error count */
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WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
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UMC_V8_7_CE_CNT_INIT);
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}
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static void umc_v8_7_clear_error_count(struct amdgpu_device *adev)
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{
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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uint32_t umc_reg_offset = 0;
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_reg_offset = get_umc_v8_7_reg_offset(adev,
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umc_inst,
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ch_inst);
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umc_v8_7_clear_error_count_per_channel(adev,
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umc_reg_offset);
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}
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}
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static void umc_v8_7_query_correctable_error_count(struct amdgpu_device *adev,
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uint32_t umc_reg_offset,
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unsigned long *error_count)
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{
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uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
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uint32_t ecc_err_cnt, ecc_err_cnt_addr;
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uint64_t mc_umc_status;
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uint32_t mc_umc_status_addr;
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/* UMC 8_7_2 registers */
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ecc_err_cnt_sel_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
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ecc_err_cnt_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
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mc_umc_status_addr =
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SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
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/* select the lower chip and check the error count */
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ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 0);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
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ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
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*error_count +=
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(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) -
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UMC_V8_7_CE_CNT_INIT);
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/* select the higher chip and check the err counter */
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 1);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
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ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
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*error_count +=
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(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) -
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UMC_V8_7_CE_CNT_INIT);
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/* check for SRAM correctable error
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MCUMC_STATUS is a 64 bit register */
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mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
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if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 6 &&
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)
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*error_count += 1;
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}
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static void umc_v8_7_querry_uncorrectable_error_count(struct amdgpu_device *adev,
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uint32_t umc_reg_offset,
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unsigned long *error_count)
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{
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uint64_t mc_umc_status;
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uint32_t mc_umc_status_addr;
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mc_umc_status_addr = SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
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/* check the MCUMC_STATUS */
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mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
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if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
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(REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1))
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*error_count += 1;
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}
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static void umc_v8_7_query_ras_error_count(struct amdgpu_device *adev,
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void *ras_error_status)
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{
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struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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uint32_t umc_reg_offset = 0;
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_reg_offset = get_umc_v8_7_reg_offset(adev,
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umc_inst,
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ch_inst);
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umc_v8_7_query_correctable_error_count(adev,
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umc_reg_offset,
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&(err_data->ce_count));
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umc_v8_7_querry_uncorrectable_error_count(adev,
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umc_reg_offset,
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&(err_data->ue_count));
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}
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umc_v8_7_clear_error_count(adev);
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}
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static void umc_v8_7_query_error_address(struct amdgpu_device *adev,
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struct ras_err_data *err_data,
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uint32_t umc_reg_offset,
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uint32_t ch_inst,
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uint32_t umc_inst)
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{
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uint32_t lsb, mc_umc_status_addr;
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uint64_t mc_umc_status, err_addr, mc_umc_addrt0;
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mc_umc_status_addr =
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SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
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mc_umc_addrt0 =
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SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0);
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mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
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if (mc_umc_status == 0)
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return;
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if (!err_data->err_addr) {
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/* clear umc status */
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WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
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return;
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}
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/* calculate error address if ue error is detected */
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if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
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REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
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err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
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/* the lowest lsb bits should be ignored */
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lsb = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, LSB);
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err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
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err_addr &= ~((0x1ULL << lsb) - 1);
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umc_v8_7_convert_error_address(adev, err_data, err_addr,
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ch_inst, umc_inst);
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}
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/* clear umc status */
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WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
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}
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static void umc_v8_7_query_ras_error_address(struct amdgpu_device *adev,
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void *ras_error_status)
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{
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struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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uint32_t umc_reg_offset = 0;
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_reg_offset = get_umc_v8_7_reg_offset(adev,
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umc_inst,
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ch_inst);
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umc_v8_7_query_error_address(adev,
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err_data,
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umc_reg_offset,
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ch_inst,
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umc_inst);
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}
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}
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static void umc_v8_7_err_cnt_init_per_channel(struct amdgpu_device *adev,
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uint32_t umc_reg_offset)
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{
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uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
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uint32_t ecc_err_cnt_addr;
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ecc_err_cnt_sel_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
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ecc_err_cnt_addr =
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SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
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/* select the lower chip and check the error count */
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ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 0);
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/* set ce error interrupt type to APIC based interrupt */
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
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GeccErrInt, 0x1);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
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/* set error count to initial value */
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WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT);
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/* select the higher chip and check the err counter */
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ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
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GeccErrCntCsSel, 1);
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WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
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WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT);
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}
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static void umc_v8_7_err_cnt_init(struct amdgpu_device *adev)
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{
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uint32_t umc_inst = 0;
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uint32_t ch_inst = 0;
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uint32_t umc_reg_offset = 0;
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LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
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umc_reg_offset = get_umc_v8_7_reg_offset(adev,
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umc_inst,
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ch_inst);
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umc_v8_7_err_cnt_init_per_channel(adev, umc_reg_offset);
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}
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}
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const struct amdgpu_ras_block_hw_ops umc_v8_7_ras_hw_ops = {
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.query_ras_error_count = umc_v8_7_query_ras_error_count,
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.query_ras_error_address = umc_v8_7_query_ras_error_address,
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};
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struct amdgpu_umc_ras umc_v8_7_ras = {
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.ras_block = {
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.hw_ops = &umc_v8_7_ras_hw_ops,
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},
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.err_cnt_init = umc_v8_7_err_cnt_init,
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.ecc_info_query_ras_error_count = umc_v8_7_ecc_info_query_ras_error_count,
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.ecc_info_query_ras_error_address = umc_v8_7_ecc_info_query_ras_error_address,
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};
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