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 16 struct drm_file; 17 struct drm_printer; 18 struct xe_bo; 19 20 struct 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 * 38 xe_drm_client_get(struct xe_drm_client *client) 39 { 40 kref_get(&client->kref); 41 return client; 42 } 43 44 void __xe_drm_client_free(struct kref *kref); 45 46 static inline void xe_drm_client_put(struct xe_drm_client *client) 47 { 48 kref_put(&client->kref, __xe_drm_client_free); 49 } 50 51 struct xe_drm_client *xe_drm_client_alloc(void); 52 static inline struct xe_drm_client * 53 xe_drm_client_get(struct xe_drm_client *client); 54 static inline void xe_drm_client_put(struct xe_drm_client *client); 55 #ifdef CONFIG_PROC_FS 56 void xe_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file); 57 void xe_drm_client_add_bo(struct xe_drm_client *client, 58 struct xe_bo *bo); 59 void xe_drm_client_remove_bo(struct xe_bo *bo); 60 #else 61 static inline void xe_drm_client_add_bo(struct xe_drm_client *client, 62 struct xe_bo *bo) 63 { 64 } 65 66 static inline void xe_drm_client_remove_bo(struct xe_bo *bo) 67 { 68 } 69 #endif 70 #endif 71