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drm/amdkfd: Validate user queue buffers

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Find user queue rptr, ring buf, eop buffer and cwsr area BOs, and
check BOs are mapped on the GPU with correct size and take the BO
reference.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang
2024-06-20 12:21:57 -04:00
committed by Alex Deucher
parent 9c7e69d2e1
commit 68e599db7a
2 changed files with 41 additions and 3 deletions
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4
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
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@@ -524,6 +524,10 @@ struct queue_properties {
uint64_t exception_status;
struct amdgpu_bo *wptr_bo;
struct amdgpu_bo *rptr_bo;
struct amdgpu_bo *ring_bo;
struct amdgpu_bo *eop_buf_bo;
struct amdgpu_bo *cwsr_bo;
};
#define QUEUE_IS_ACTIVE(q) ((q).queue_size > 0 && \