1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2021 Intel Corporation
 4 */
 5
 6#ifndef _I915_GEM_TTM_PM_H_
 7#define _I915_GEM_TTM_PM_H_
 8
 9#include <linux/types.h>
10
11struct intel_memory_region;
12struct drm_i915_gem_object;
13
14#define I915_TTM_BACKUP_ALLOW_GPU BIT(0)
15#define I915_TTM_BACKUP_PINNED    BIT(1)
16
17int i915_ttm_backup_region(struct intel_memory_region *mr, u32 flags);
18
19void i915_ttm_recover_region(struct intel_memory_region *mr);
20
21int i915_ttm_restore_region(struct intel_memory_region *mr, u32 flags);
22
23/* Internal I915 TTM functions below. */
24void i915_ttm_backup_free(struct drm_i915_gem_object *obj);
25
26#endif