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1/*2 * Copyright 2022 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 */23#include "amdgpu.h"24#include "df_v4_3.h"25 26#include "df/df_4_3_offset.h"27#include "df/df_4_3_sh_mask.h"28 29static bool df_v4_3_query_ras_poison_mode(struct amdgpu_device *adev)30{31 uint32_t hw_assert_msklo, hw_assert_mskhi;32 uint32_t v0, v1, v28, v31;33 34 hw_assert_msklo = RREG32_SOC15(DF, 0,35 regDF_CS_UMC_AON0_HardwareAssertMaskLow);36 hw_assert_mskhi = RREG32_SOC15(DF, 0,37 regDF_NCS_PG0_HardwareAssertMaskHigh);38 39 v0 = REG_GET_FIELD(hw_assert_msklo,40 DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk0);41 v1 = REG_GET_FIELD(hw_assert_msklo,42 DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk1);43 v28 = REG_GET_FIELD(hw_assert_mskhi,44 DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk28);45 v31 = REG_GET_FIELD(hw_assert_mskhi,46 DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk31);47 48 if (v0 && v1 && v28 && v31)49 return true;50 else if (!v0 && !v1 && !v28 && !v31)51 return false;52 else {53 dev_warn(adev->dev, "DF poison setting is inconsistent(%d:%d:%d:%d)!\n",54 v0, v1, v28, v31);55 return false;56 }57}58 59const struct amdgpu_df_funcs df_v4_3_funcs = {60 .query_ras_poison_mode = df_v4_3_query_ras_poison_mode,61};62