/* * 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.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_funcs umc_v8_7_funcs = { .err_cnt_init = umc_v8_7_err_cnt_init, .ras_late_init = amdgpu_umc_ras_late_init, .query_ras_error_count = umc_v8_7_query_ras_error_count, .query_ras_error_address = umc_v8_7_query_ras_error_address, };