Commit fb1e9171 authored by Candice Li's avatar Candice Li Committed by Alex Deucher
Browse files

drm/amdgpu: Support poison error injection via ras_ctrl debugfs 



Support poison error injection.

Signed-off-by: default avatarCandice Li <candice.li@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f4a94dbb

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+5 −2
Original line number Diff line number Diff line
@@ -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.