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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2020 Intel Corporation
*/
#ifndef __I915_DRM_CLIENT_H__
#define __I915_DRM_CLIENT_H__
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <uapi/drm/i915_drm.h>
#include "i915_file_private.h"
#include "gem/i915_gem_object_types.h"
#include "gt/intel_context_types.h"
#define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
struct drm_file;
struct drm_printer;
struct i915_drm_client {
struct kref kref;
unsigned int id;
spinlock_t ctx_lock; /* For add/remove from ctx_list. */
struct list_head ctx_list; /* List of contexts belonging to client. */
#ifdef CONFIG_PROC_FS
/**
* @objects_lock: lock protecting @objects_list
*/
spinlock_t objects_lock;
/**
* @objects_list: list of objects created by this client
*
* Protected by @objects_lock.
*/
struct list_head objects_list;
#endif
/**
* @past_runtime: Accumulation of pphwsp runtimes from closed contexts.
*/
atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1];
};
static inline struct i915_drm_client *
i915_drm_client_get(struct i915_drm_client *client)
{
kref_get(&client->kref);
return client;
}
void __i915_drm_client_free(struct kref *kref);
static inline void i915_drm_client_put(struct i915_drm_client *client)
{
kref_put(&client->kref, __i915_drm_client_free);
}
struct i915_drm_client *i915_drm_client_alloc(void);
void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
#ifdef CONFIG_PROC_FS
void i915_drm_client_add_object(struct i915_drm_client *client,
struct drm_i915_gem_object *obj);
void i915_drm_client_remove_object(struct drm_i915_gem_object *obj);
void i915_drm_client_add_context_objects(struct i915_drm_client *client,
struct intel_context *ce);
#else
static inline void i915_drm_client_add_object(struct i915_drm_client *client,
struct drm_i915_gem_object *obj)
{
}
static inline void
i915_drm_client_remove_object(struct drm_i915_gem_object *obj)
{
}
static inline void
i915_drm_client_add_context_objects(struct i915_drm_client *client,
struct intel_context *ce)
{
}
#endif
#endif /* !__I915_DRM_CLIENT_H__ */
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