1 | /* SPDX-License-Identifier: MIT */ |
---|---|
2 | /* |
3 | * Copyright © 2020 Intel Corporation |
4 | */ |
5 | |
6 | #ifndef __I915_DRM_CLIENT_H__ |
7 | #define __I915_DRM_CLIENT_H__ |
8 | |
9 | #include <linux/kref.h> |
10 | #include <linux/list.h> |
11 | #include <linux/spinlock.h> |
12 | |
13 | #include <uapi/drm/i915_drm.h> |
14 | |
15 | #include "i915_file_private.h" |
16 | #include "gem/i915_gem_object_types.h" |
17 | #include "gt/intel_context_types.h" |
18 | |
19 | #define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE |
20 | |
21 | struct drm_file; |
22 | struct drm_printer; |
23 | |
24 | struct i915_drm_client { |
25 | struct kref kref; |
26 | |
27 | spinlock_t ctx_lock; /* For add/remove from ctx_list. */ |
28 | struct list_head ctx_list; /* List of contexts belonging to client. */ |
29 | |
30 | #ifdef CONFIG_PROC_FS |
31 | /** |
32 | * @objects_lock: lock protecting @objects_list |
33 | */ |
34 | spinlock_t objects_lock; |
35 | |
36 | /** |
37 | * @objects_list: list of objects created by this client |
38 | * |
39 | * Protected by @objects_lock. |
40 | */ |
41 | struct list_head objects_list; |
42 | #endif |
43 | |
44 | /** |
45 | * @past_runtime: Accumulation of pphwsp runtimes from closed contexts. |
46 | */ |
47 | atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1]; |
48 | }; |
49 | |
50 | static inline struct i915_drm_client * |
51 | i915_drm_client_get(struct i915_drm_client *client) |
52 | { |
53 | kref_get(kref: &client->kref); |
54 | return client; |
55 | } |
56 | |
57 | void __i915_drm_client_free(struct kref *kref); |
58 | |
59 | static inline void i915_drm_client_put(struct i915_drm_client *client) |
60 | { |
61 | kref_put(kref: &client->kref, release: __i915_drm_client_free); |
62 | } |
63 | |
64 | struct i915_drm_client *i915_drm_client_alloc(void); |
65 | |
66 | void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file); |
67 | |
68 | #ifdef CONFIG_PROC_FS |
69 | void i915_drm_client_add_object(struct i915_drm_client *client, |
70 | struct drm_i915_gem_object *obj); |
71 | void i915_drm_client_remove_object(struct drm_i915_gem_object *obj); |
72 | void i915_drm_client_add_context_objects(struct i915_drm_client *client, |
73 | struct intel_context *ce); |
74 | #else |
75 | static inline void i915_drm_client_add_object(struct i915_drm_client *client, |
76 | struct drm_i915_gem_object *obj) |
77 | { |
78 | } |
79 | |
80 | static inline void |
81 | i915_drm_client_remove_object(struct drm_i915_gem_object *obj) |
82 | { |
83 | } |
84 | |
85 | static inline void |
86 | i915_drm_client_add_context_objects(struct i915_drm_client *client, |
87 | struct intel_context *ce) |
88 | { |
89 | } |
90 | #endif |
91 | |
92 | #endif /* !__I915_DRM_CLIENT_H__ */ |
93 |