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drm/amdgpu: Support poison error injection via ras_ctrl debugfs

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Support poison error injection.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Candice Li 2024-01-04 10:27:10 +08:00 • committed by Alex Deucher
parent f4a94dbb6d
commit fb1e917199
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -305,11 +305,13 @@ static int amdgpu_ras_debugfs_ctrl_parse_data(struct file *f,
return -EINVAL;
data->head.block = block_id;
/* only ue and ce errors are supported */
/* only ue, ce and poison errors are supported */
if (!memcmp("ue", err, 2))
data->head.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
else if (!memcmp("ce", err, 2))
data->head.type = AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE;
else if (!memcmp("poison", err, 6))
data->head.type = AMDGPU_RAS_ERROR__POISON;
else
return -EINVAL;
@ -431,9 +433,10 @@ static void amdgpu_ras_instance_mask_check(struct amdgpu_device *adev,
* The block is one of: umc, sdma, gfx, etc.
* see ras_block_string[] for details
*
* The error type is one of: ue, ce, where,
* The error type is one of: ue, ce and poison where,
* ue is multi-uncorrectable
* ce is single-correctable
* poison is poison
*
* The sub-block is a the sub-block index, pass 0 if there is no sub-block.
* The address and value are hexadecimal numbers, leading 0x is optional.