1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2023 Intel Corporation
 4 */
 5
 6#ifndef _XE_DRM_CLIENT_H_
 7#define _XE_DRM_CLIENT_H_
 8
 9#include <linux/kref.h>
10#include <linux/list.h>
11#include <linux/pid.h>
12#include <linux/rcupdate.h>
13#include <linux/sched.h>
14#include <linux/spinlock.h>
15
16struct drm_file;
17struct drm_printer;
18struct xe_bo;
19
20struct xe_drm_client {
21	struct kref kref;
22	unsigned int id;
23#ifdef CONFIG_PROC_FS
24	/**
25	 * @bos_lock: lock protecting @bos_list
26	 */
27	spinlock_t bos_lock;
28	/**
29	 * @bos_list: list of bos created by this client
30	 *
31	 * Protected by @bos_lock.
32	 */
33	struct list_head bos_list;
34#endif
35};
36
37	static inline struct xe_drm_client *
38xe_drm_client_get(struct xe_drm_client *client)
39{
40	kref_get(&client->kref);
41	return client;
42}
43
44void __xe_drm_client_free(struct kref *kref);
45
46static inline void xe_drm_client_put(struct xe_drm_client *client)
47{
48	kref_put(&client->kref, __xe_drm_client_free);
49}
50
51struct xe_drm_client *xe_drm_client_alloc(void);
52static inline struct xe_drm_client *
53xe_drm_client_get(struct xe_drm_client *client);
54static inline void xe_drm_client_put(struct xe_drm_client *client);
55#ifdef CONFIG_PROC_FS
56void xe_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
57void xe_drm_client_add_bo(struct xe_drm_client *client,
58			  struct xe_bo *bo);
59void xe_drm_client_remove_bo(struct xe_bo *bo);
60#else
61static inline void xe_drm_client_add_bo(struct xe_drm_client *client,
62					struct xe_bo *bo)
63{
64}
65
66static inline void xe_drm_client_remove_bo(struct xe_bo *bo)
67{
68}
69#endif
70#endif