1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2014-2018 Intel Corporation
4  */
5 
6 #ifndef INTEL_GT_BUFFER_POOL_TYPES_H
7 #define INTEL_GT_BUFFER_POOL_TYPES_H
8 
9 #include <linux/list.h>
10 #include <linux/spinlock.h>
11 #include <linux/workqueue.h>
12 
13 #include "gem/i915_gem_object_types.h"
14 #include "i915_active_types.h"
15 
16 struct intel_gt_buffer_pool {
17 	spinlock_t lock;
18 	struct list_head cache_list[4];
19 	struct delayed_work work;
20 };
21 
22 struct intel_gt_buffer_pool_node {
23 	struct i915_active active;
24 	struct drm_i915_gem_object *obj;
25 	struct list_head link;
26 	union {
27 		struct intel_gt_buffer_pool *pool;
28 		struct intel_gt_buffer_pool_node *free;
29 		struct rcu_head rcu;
30 	};
31 	unsigned long age;
32 	enum i915_map_type type;
33 	u32 pinned;
34 };
35 
36 #endif /* INTEL_GT_BUFFER_POOL_TYPES_H */
37