drivers/gpu/drm/i915/gem/i915_gem_shrinker.h

   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
  11 struct drm_i915_private;
  12 struct i915_gem_ww_ctx;
  13 struct mutex;
  14
  15 /* i915_gem_shrinker.c */
  16 unsigned 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
  27 unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);
  28 void i915_gem_driver_register__shrinker(struct drm_i915_private *i915);
  29 void i915_gem_driver_unregister__shrinker(struct drm_i915_private *i915);
  30 void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,
  31                                     struct mutex *mutex);
  32
  33 #endif /* __I915_GEM_SHRINKER_H__ */