Commit c87f586e authored by Matthew Brost's avatar Matthew Brost
Browse files

drm/xe: Add VM.uapi_flags to VM snapshot capture 



Add VM.uapi_flags to VM snapshot capture VM snapshot capture. This is
useful information for debug and will help build a robust GPU hang
replay tool.

The current format is:

VM.uapi_flags: 0x%x

Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarJonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patch.msgid.link/20251126185952.546277-7-matthew.brost@intel.com
parent 066a1ddd

drivers/gpu/drm/xe/xe_vm.c

+9 −0
Original line number Diff line number Diff line
@@ -4043,6 +4043,7 @@ int xe_vm_validate_protected(struct xe_vm *vm) 
}



struct xe_vm_snapshot {

	int uapi_flags;

	unsigned long num_snaps;

	struct {

		u64 ofs, bo_ofs;
@@ -4082,6 +4083,13 @@ struct xe_vm_snapshot *xe_vm_snapshot_capture(struct xe_vm *vm) 
		goto out_unlock;

	}



	if (vm->flags & XE_VM_FLAG_FAULT_MODE)

		snap->uapi_flags |= DRM_XE_VM_CREATE_FLAG_FAULT_MODE;

	if (vm->flags & XE_VM_FLAG_LR_MODE)

		snap->uapi_flags |= DRM_XE_VM_CREATE_FLAG_LR_MODE;

	if (vm->flags & XE_VM_FLAG_SCRATCH_PAGE)

		snap->uapi_flags |= DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE;



	snap->num_snaps = num_snaps;

	i = 0;

	drm_gpuvm_for_each_va(gpuva, &vm->gpuvm) {
@@ -4196,6 +4204,7 @@ void xe_vm_snapshot_print(struct xe_vm_snapshot *snap, struct drm_printer *p) 
		return;

	}



	drm_printf(p, "VM.uapi_flags: 0x%x\n", snap->uapi_flags);

	for (i = 0; i < snap->num_snaps; i++) {

		drm_printf(p, "[%llx].length: 0x%lx\n", snap->snap[i].ofs, snap->snap[i].len);