1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2023 Intel Corporation
 4 */
 5
 6#ifndef _XE_ENGINE_CLASS_SYSFS_H_
 7#define _XE_ENGINE_CLASS_SYSFS_H_
 8
 9#include <linux/kobject.h>
10
11struct xe_gt;
12struct xe_hw_engine_class_intf;
13
14int xe_hw_engine_class_sysfs_init(struct xe_gt *gt);
15bool xe_hw_engine_timeout_in_range(u64 timeout, u64 min, u64 max);
16
17/**
18 * struct kobj_eclass - A eclass's kobject struct that connects the kobject and the
19 * eclass.
20 *
21 * When dealing with multiple eclass, this struct helps to understand which eclass
22 * needs to be addressed on a given sysfs call.
23 */
24struct kobj_eclass {
25	/** @base: The actual kobject */
26	struct kobject base;
27	/** @eclass: A pointer to the hw engine class interface */
28	struct xe_hw_engine_class_intf *eclass;
29	/** @xe: A pointer to the xe device */
30	struct xe_device *xe;
31};
32
33static inline struct xe_hw_engine_class_intf *kobj_to_eclass(struct kobject *kobj)
34{
35	return container_of(kobj, struct kobj_eclass, base)->eclass;
36}
37
38static inline struct xe_device *kobj_to_xe(struct kobject *kobj)
39{
40	return container_of(kobj, struct kobj_eclass, base)->xe;
41}
42
43#endif