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