/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2023 Intel Corporation
 */

#ifndef _XE_DRM_CLIENT_H_
#define _XE_DRM_CLIENT_H_

#include <linux/kref.h>
#include <linux/list.h>
#include <linux/pid.h>
#include <linux/rcupdate.h>
#include <linux/sched.h>
#include <linux/spinlock.h>

struct drm_file;
struct drm_printer;
struct xe_bo;

struct xe_drm_client {
        struct kref kref;
        unsigned int id;
#ifdef CONFIG_PROC_FS
        /**
         * @bos_lock: lock protecting @bos_list
         */
        spinlock_t bos_lock;
        /**
         * @bos_list: list of bos created by this client
         *
         * Protected by @bos_lock.
         */
        struct list_head bos_list;
#endif
};

        static inline struct xe_drm_client *
xe_drm_client_get(struct xe_drm_client *client)
{
        kref_get(&client->kref);
        return client;
}

void __xe_drm_client_free(struct kref *kref);

static inline void xe_drm_client_put(struct xe_drm_client *client)
{
        kref_put(&client->kref, __xe_drm_client_free);
}

struct xe_drm_client *xe_drm_client_alloc(void);
static inline struct xe_drm_client *
xe_drm_client_get(struct xe_drm_client *client);
static inline void xe_drm_client_put(struct xe_drm_client *client);
#ifdef CONFIG_PROC_FS
void xe_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
void xe_drm_client_add_bo(struct xe_drm_client *client,
                          struct xe_bo *bo);
void xe_drm_client_remove_bo(struct xe_bo *bo);
#else
static inline void xe_drm_client_add_bo(struct xe_drm_client *client,
                                        struct xe_bo *bo)
{
}

static inline void xe_drm_client_remove_bo(struct xe_bo *bo)
{
}
#endif
#endif