1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2019 Intel Corporation
 4 */
 5
 6#ifndef __I915_GEM_SHRINKER_H__
 7#define __I915_GEM_SHRINKER_H__
 8
 9#include <linux/bits.h>
10
11struct drm_i915_private;
12struct i915_gem_ww_ctx;
13struct mutex;
14
15/* i915_gem_shrinker.c */
16unsigned long i915_gem_shrink(struct i915_gem_ww_ctx *ww,
17			      struct drm_i915_private *i915,
18			      unsigned long target,
19			      unsigned long *nr_scanned,
20			      unsigned flags);
21#define I915_SHRINK_UNBOUND	BIT(0)
22#define I915_SHRINK_BOUND	BIT(1)
23#define I915_SHRINK_ACTIVE	BIT(2)
24#define I915_SHRINK_VMAPS	BIT(3)
25#define I915_SHRINK_WRITEBACK	BIT(4)
26
27unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);
28void i915_gem_driver_register__shrinker(struct drm_i915_private *i915);
29void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915);
30void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,
31				    struct mutex *mutex);
32
33#endif /* __I915_GEM_SHRINKER_H__ */