/*
* 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 "amdgpu.h"
#include "sdma/sdma_4_4_0_offset.h"
#include "sdma/sdma_4_4_0_sh_mask.h"
#include "soc15.h"
#include "amdgpu_ras.h"
#define SDMA1_REG_OFFSET 0 x600
#define SDMA2_REG_OFFSET 0 x1cda0
#define SDMA3_REG_OFFSET 0 x1d1a0
#define SDMA4_REG_OFFSET 0 x1d5a0
/* helper function that allow only use sdma0 register offset
* to calculate register offset for all the sdma instances */
static uint32_t sdma_v4_4_get_reg_offset(struct amdgpu_device *adev,
uint32_t instance,
uint32_t offset)
{
uint32_t sdma_base = adev->reg_offset[SDMA0_HWIP][0 ][0 ];
switch (instance) {
case 0 :
return (sdma_base + offset);
case 1 :
return (sdma_base + SDMA1_REG_OFFSET + offset);
case 2 :
return (sdma_base + SDMA2_REG_OFFSET + offset);
case 3 :
return (sdma_base + SDMA3_REG_OFFSET + offset);
case 4 :
return (sdma_base + SDMA4_REG_OFFSET + offset);
default :
break ;
}
return 0 ;
}
static const struct soc15_ras_field_entry sdma_v4_4_ras_fields[] = {
{ "SDMA_MBANK_DATA_BUF0_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF0_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF1_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF1_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF2_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF2_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF3_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF3_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF4_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF4_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF5_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF5_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF6_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF6_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF7_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF7_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF8_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF8_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF9_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF9_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF10_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF10_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF11_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF11_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF12_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF12_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF13_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF13_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF14_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF14_SED),
0 , 0 ,
},
{ "SDMA_MBANK_DATA_BUF15_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER, SDMA_MBANK_DATA_BUF15_SED),
0 , 0 ,
},
{ "SDMA_UCODE_BUF_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UCODE_BUF_SED),
0 , 0 ,
},
{ "SDMA_RB_CMD_BUF_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_RB_CMD_BUF_SED),
0 , 0 ,
},
{ "SDMA_IB_CMD_BUF_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_IB_CMD_BUF_SED),
0 , 0 ,
},
{ "SDMA_UTCL1_RD_FIFO_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UTCL1_RD_FIFO_SED),
0 , 0 ,
},
{ "SDMA_UTCL1_RDBST_FIFO_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UTCL1_RDBST_FIFO_SED),
0 , 0 ,
},
{ "SDMA_UTCL1_WR_FIFO_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_UTCL1_WR_FIFO_SED),
0 , 0 ,
},
{ "SDMA_DATA_LUT_FIFO_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_DATA_LUT_FIFO_SED),
0 , 0 ,
},
{ "SDMA_SPLIT_DATA_BUF_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_SPLIT_DATA_BUF_SED),
0 , 0 ,
},
{ "SDMA_MC_WR_ADDR_FIFO_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_MC_WR_ADDR_FIFO_SED),
0 , 0 ,
},
{ "SDMA_MC_RDRET_BUF_SED" , SOC15_REG_ENTRY(SDMA0, 0 , regSDMA0_EDC_COUNTER2),
SOC15_REG_FIELD(SDMA0_EDC_COUNTER2, SDMA_MC_WR_ADDR_FIFO_SED),
0 , 0 ,
},
};
static void sdma_v4_4_get_ras_error_count(struct amdgpu_device *adev,
uint32_t reg_offset,
uint32_t value,
uint32_t instance,
uint32_t *sec_count)
{
uint32_t i;
uint32_t sec_cnt;
/* double bits error (multiple bits) error detection is not supported */
for (i = 0 ; i < ARRAY_SIZE(sdma_v4_4_ras_fields); i++) {
if (sdma_v4_4_ras_fields[i].reg_offset != reg_offset)
continue ;
/* the SDMA_EDC_COUNTER register in each sdma instance
* shares the same sed shift_mask
* */
sec_cnt = (value &
sdma_v4_4_ras_fields[i].sec_count_mask) >>
sdma_v4_4_ras_fields[i].sec_count_shift;
if (sec_cnt) {
dev_info(adev->dev, "Detected %s in SDMA%d, SED %d\n" ,
sdma_v4_4_ras_fields[i].name,
instance, sec_cnt);
*sec_count += sec_cnt;
}
}
}
static int sdma_v4_4_query_ras_error_count_by_instance(struct amdgpu_device *adev,
uint32_t instance,
void *ras_error_status)
{
struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
uint32_t sec_count = 0 ;
uint32_t reg_value = 0 ;
uint32_t reg_offset = 0 ;
reg_offset = sdma_v4_4_get_reg_offset(adev, instance, regSDMA0_EDC_COUNTER);
reg_value = RREG32(reg_offset);
/* double bit error is not supported */
if (reg_value)
sdma_v4_4_get_ras_error_count(adev, regSDMA0_EDC_COUNTER, reg_value,
instance, &sec_count);
reg_offset = sdma_v4_4_get_reg_offset(adev, instance, regSDMA0_EDC_COUNTER2);
reg_value = RREG32(reg_offset);
/* double bit error is not supported */
if (reg_value)
sdma_v4_4_get_ras_error_count(adev, regSDMA0_EDC_COUNTER2, reg_value,
instance, &sec_count);
/*
* err_data - > ue_count should be initialized to 0
* before calling into this function
*
* SDMA RAS supports single bit uncorrectable error detection .
* So , increment uncorrectable error count .
*/
err_data->ue_count += sec_count;
/*
* SDMA RAS does not support correctable errors .
* Set ce count to 0 .
*/
err_data->ce_count = 0 ;
return 0 ;
};
static void sdma_v4_4_reset_ras_error_count(struct amdgpu_device *adev)
{
int i;
uint32_t reg_offset;
/* write 0 to EDC_COUNTER reg to clear sdma edc counters */
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
for (i = 0 ; i < adev->sdma.num_instances; i++) {
reg_offset = sdma_v4_4_get_reg_offset(adev, i, regSDMA0_EDC_COUNTER);
WREG32(reg_offset, 0 );
reg_offset = sdma_v4_4_get_reg_offset(adev, i, regSDMA0_EDC_COUNTER2);
WREG32(reg_offset, 0 );
}
}
}
static void sdma_v4_4_query_ras_error_count(struct amdgpu_device *adev, void *ras_error_status)
{
int i = 0 ;
for (i = 0 ; i < adev->sdma.num_instances; i++) {
if (sdma_v4_4_query_ras_error_count_by_instance(adev, i, ras_error_status)) {
dev_err(adev->dev, "Query ras error count failed in SDMA%d\n" , i);
return ;
}
}
}
const struct amdgpu_ras_block_hw_ops sdma_v4_4_ras_hw_ops = {
.query_ras_error_count = sdma_v4_4_query_ras_error_count,
.reset_ras_error_count = sdma_v4_4_reset_ras_error_count,
};
struct amdgpu_sdma_ras sdma_v4_4_ras = {
.ras_block = {
.hw_ops = &sdma_v4_4_ras_hw_ops,
},
};
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(vorverarbeitet am 2026-10-02)
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