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#define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
16
17struct drm_file;
18struct drm_printer;
19
20struct i915_drm_client {
21	struct kref kref;
22
23	unsigned int id;
24
25	spinlock_t ctx_lock; /* For add/remove from ctx_list. */
26	struct list_head ctx_list; /* List of contexts belonging to client. */
27
28	/**
29	 * @past_runtime: Accumulation of pphwsp runtimes from closed contexts.
30	 */
31	atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1];
32};
33
34static inline struct i915_drm_client *
35i915_drm_client_get(struct i915_drm_client *client)
36{
37	kref_get(&client->kref);
38	return client;
39}
40
41void __i915_drm_client_free(struct kref *kref);
42
43static inline void i915_drm_client_put(struct i915_drm_client *client)
44{
45	kref_put(&client->kref, __i915_drm_client_free);
46}
47
48struct i915_drm_client *i915_drm_client_alloc(void);
49
50void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
51
52#endif /* !__I915_DRM_CLIENT_H__ */
53