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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 <linux/xarray.h>
#include <uapi/drm/i915_drm.h>
#define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
struct drm_i915_private;
struct i915_drm_clients {
struct drm_i915_private *i915;
struct xarray xarray;
u32 next_id;
};
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. */
struct i915_drm_clients *clients;
/**
* @past_runtime: Accumulation of pphwsp runtimes from closed contexts.
*/
atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1];
};
void i915_drm_clients_init(struct i915_drm_clients *clients,
struct drm_i915_private *i915);
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_add(struct i915_drm_clients *clients);
#ifdef CONFIG_PROC_FS
void i915_drm_client_fdinfo(struct seq_file *m, struct file *f);
#endif
void i915_drm_clients_fini(struct i915_drm_clients *clients);
#endif /* !__I915_DRM_CLIENT_H__ */
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