| /* |
| * Copyright 2020 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 "umc_v8_7.h" |
| #include "amdgpu_ras.h" |
| #include "amdgpu_umc.h" |
| #include "amdgpu.h" |
| |
| #include "rsmu/rsmu_0_0_2_offset.h" |
| #include "rsmu/rsmu_0_0_2_sh_mask.h" |
| #include "umc/umc_8_7_0_offset.h" |
| #include "umc/umc_8_7_0_sh_mask.h" |
| |
| #define UMC_8_INST_DIST 0x40000 |
| |
| const uint32_t |
| umc_v8_7_channel_idx_tbl[UMC_V8_7_UMC_INSTANCE_NUM][UMC_V8_7_CHANNEL_INSTANCE_NUM] = { |
| {2, 11}, {4, 13}, |
| {1, 8}, {7, 14}, |
| {10, 3}, {12, 5}, |
| {9, 0}, {15, 6} |
| }; |
| |
| static inline uint32_t get_umc_8_reg_offset(struct amdgpu_device *adev, |
| uint32_t umc_inst, |
| uint32_t ch_inst) |
| { |
| return adev->umc.channel_offs*ch_inst + UMC_8_INST_DIST*umc_inst; |
| } |
| |
| static void umc_v8_7_clear_error_count_per_channel(struct amdgpu_device *adev, |
| uint32_t umc_reg_offset) |
| { |
| uint32_t ecc_err_cnt_addr; |
| uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr; |
| |
| ecc_err_cnt_sel_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel); |
| ecc_err_cnt_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt); |
| |
| /* select the lower chip */ |
| ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + |
| umc_reg_offset) * 4); |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, |
| UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 0); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, |
| ecc_err_cnt_sel); |
| |
| /* clear lower chip error count */ |
| WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, |
| UMC_V8_7_CE_CNT_INIT); |
| |
| /* select the higher chip */ |
| ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + |
| umc_reg_offset) * 4); |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, |
| UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 1); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, |
| ecc_err_cnt_sel); |
| |
| /* clear higher chip error count */ |
| WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, |
| UMC_V8_7_CE_CNT_INIT); |
| } |
| |
| static void umc_v8_7_clear_error_count(struct amdgpu_device *adev) |
| { |
| uint32_t umc_inst = 0; |
| uint32_t ch_inst = 0; |
| uint32_t umc_reg_offset = 0; |
| |
| LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { |
| umc_reg_offset = get_umc_8_reg_offset(adev, |
| umc_inst, |
| ch_inst); |
| |
| umc_v8_7_clear_error_count_per_channel(adev, |
| umc_reg_offset); |
| } |
| } |
| |
| static void umc_v8_7_query_correctable_error_count(struct amdgpu_device *adev, |
| uint32_t umc_reg_offset, |
| unsigned long *error_count) |
| { |
| uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr; |
| uint32_t ecc_err_cnt, ecc_err_cnt_addr; |
| uint64_t mc_umc_status; |
| uint32_t mc_umc_status_addr; |
| |
| /* UMC 8_7_2 registers */ |
| ecc_err_cnt_sel_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel); |
| ecc_err_cnt_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt); |
| mc_umc_status_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0); |
| |
| /* select the lower chip and check the error count */ |
| ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4); |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 0); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel); |
| |
| ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4); |
| *error_count += |
| (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) - |
| UMC_V8_7_CE_CNT_INIT); |
| |
| /* select the higher chip and check the err counter */ |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 1); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel); |
| |
| ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4); |
| *error_count += |
| (REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) - |
| UMC_V8_7_CE_CNT_INIT); |
| |
| /* check for SRAM correctable error |
| MCUMC_STATUS is a 64 bit register */ |
| mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4); |
| if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 6 && |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 && |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1) |
| *error_count += 1; |
| } |
| |
| static void umc_v8_7_querry_uncorrectable_error_count(struct amdgpu_device *adev, |
| uint32_t umc_reg_offset, |
| unsigned long *error_count) |
| { |
| uint64_t mc_umc_status; |
| uint32_t mc_umc_status_addr; |
| |
| mc_umc_status_addr = SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0); |
| |
| /* check the MCUMC_STATUS */ |
| mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4); |
| if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) && |
| (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 || |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 || |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 || |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 || |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1)) |
| *error_count += 1; |
| } |
| |
| static void umc_v8_7_query_ras_error_count(struct amdgpu_device *adev, |
| void *ras_error_status) |
| { |
| struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; |
| |
| uint32_t umc_inst = 0; |
| uint32_t ch_inst = 0; |
| uint32_t umc_reg_offset = 0; |
| |
| LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { |
| umc_reg_offset = get_umc_8_reg_offset(adev, |
| umc_inst, |
| ch_inst); |
| |
| umc_v8_7_query_correctable_error_count(adev, |
| umc_reg_offset, |
| &(err_data->ce_count)); |
| umc_v8_7_querry_uncorrectable_error_count(adev, |
| umc_reg_offset, |
| &(err_data->ue_count)); |
| } |
| |
| umc_v8_7_clear_error_count(adev); |
| } |
| |
| static void umc_v8_7_query_error_address(struct amdgpu_device *adev, |
| struct ras_err_data *err_data, |
| uint32_t umc_reg_offset, |
| uint32_t ch_inst, |
| uint32_t umc_inst) |
| { |
| uint32_t lsb, mc_umc_status_addr; |
| uint64_t mc_umc_status, err_addr, retired_page, mc_umc_addrt0; |
| struct eeprom_table_record *err_rec; |
| uint32_t channel_index = adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst]; |
| |
| mc_umc_status_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0); |
| mc_umc_addrt0 = |
| SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0); |
| |
| mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4); |
| |
| if (mc_umc_status == 0) |
| return; |
| |
| if (!err_data->err_addr) { |
| /* clear umc status */ |
| WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL); |
| return; |
| } |
| |
| err_rec = &err_data->err_addr[err_data->err_addr_cnt]; |
| |
| /* calculate error address if ue/ce error is detected */ |
| if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 && |
| (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 || |
| REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)) { |
| |
| err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4); |
| /* the lowest lsb bits should be ignored */ |
| lsb = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, LSB); |
| err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr); |
| err_addr &= ~((0x1ULL << lsb) - 1); |
| |
| /* translate umc channel address to soc pa, 3 parts are included */ |
| retired_page = ADDR_OF_4KB_BLOCK(err_addr) | |
| ADDR_OF_256B_BLOCK(channel_index) | |
| OFFSET_IN_256B_BLOCK(err_addr); |
| |
| /* we only save ue error information currently, ce is skipped */ |
| if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) |
| == 1) { |
| 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++; |
| } |
| } |
| |
| /* clear umc status */ |
| WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL); |
| } |
| |
| static void umc_v8_7_query_ras_error_address(struct amdgpu_device *adev, |
| void *ras_error_status) |
| { |
| struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; |
| |
| uint32_t umc_inst = 0; |
| uint32_t ch_inst = 0; |
| uint32_t umc_reg_offset = 0; |
| |
| LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { |
| umc_reg_offset = get_umc_8_reg_offset(adev, |
| umc_inst, |
| ch_inst); |
| |
| umc_v8_7_query_error_address(adev, |
| err_data, |
| umc_reg_offset, |
| ch_inst, |
| umc_inst); |
| } |
| } |
| |
| static void umc_v8_7_err_cnt_init_per_channel(struct amdgpu_device *adev, |
| uint32_t umc_reg_offset) |
| { |
| uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr; |
| uint32_t ecc_err_cnt_addr; |
| |
| ecc_err_cnt_sel_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel); |
| ecc_err_cnt_addr = |
| SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt); |
| |
| /* select the lower chip and check the error count */ |
| ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4); |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 0); |
| /* set ce error interrupt type to APIC based interrupt */ |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel, |
| GeccErrInt, 0x1); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel); |
| /* set error count to initial value */ |
| WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT); |
| |
| /* select the higher chip and check the err counter */ |
| ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel, |
| GeccErrCntCsSel, 1); |
| WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel); |
| WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT); |
| } |
| |
| static void umc_v8_7_err_cnt_init(struct amdgpu_device *adev) |
| { |
| uint32_t umc_inst = 0; |
| uint32_t ch_inst = 0; |
| uint32_t umc_reg_offset = 0; |
| |
| LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { |
| umc_reg_offset = get_umc_8_reg_offset(adev, |
| umc_inst, |
| ch_inst); |
| |
| umc_v8_7_err_cnt_init_per_channel(adev, umc_reg_offset); |
| } |
| } |
| |
| const struct amdgpu_umc_ras_funcs umc_v8_7_ras_funcs = { |
| .err_cnt_init = umc_v8_7_err_cnt_init, |
| .ras_late_init = amdgpu_umc_ras_late_init, |
| .ras_fini = amdgpu_umc_ras_fini, |
| .query_ras_error_count = umc_v8_7_query_ras_error_count, |
| .query_ras_error_address = umc_v8_7_query_ras_error_address, |
| }; |
