drm/amdgpu: add option to stop on VM fault

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index afc984806c4c..a3dbbd1fc060 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -79,6 +79,7 @@ extern int amdgpu_bapm;
 extern int amdgpu_deep_color;
 extern int amdgpu_vm_size;
 extern int amdgpu_vm_block_size;
+extern int amdgpu_vm_fault_stop;
 extern int amdgpu_enable_scheduler;
 extern int amdgpu_sched_jobs;
 extern int amdgpu_sched_hw_submission;
@@ -960,6 +961,11 @@ struct amdgpu_ring {
 #define AMDGPU_PTE_FRAG_64KB    (4 << 7)
 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
 
+/* How to programm VM fault handling */
+#define AMDGPU_VM_FAULT_STOP_NEVER      0
+#define AMDGPU_VM_FAULT_STOP_FIRST      1
+#define AMDGPU_VM_FAULT_STOP_ALWAYS     2
+
 struct amdgpu_vm_pt {
         struct amdgpu_bo                *bo;
         uint64_t                        addr;