1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef WORKQUEUES_H
3#define WORKQUEUES_H
4
5#include <stdbool.h>
6
7#include "barriers.h"
8#include "bug_on.h"
9#include "int_typedefs.h"
10
11#include <linux/types.h>
12
13/* Stub workqueue implementation. */
14
15struct work_struct;
16typedef void (*work_func_t)(struct work_struct *work);
17void delayed_work_timer_fn(unsigned long __data);
18
19struct work_struct {
20/*	atomic_long_t data; */
21	unsigned long data;
22
23	struct list_head entry;
24	work_func_t func;
25#ifdef CONFIG_LOCKDEP
26	struct lockdep_map lockdep_map;
27#endif
28};
29
30struct timer_list {
31	struct hlist_node	entry;
32	unsigned long		expires;
33	void			(*function)(unsigned long);
34	unsigned long		data;
35	u32			flags;
36	int			slack;
37};
38
39struct delayed_work {
40	struct work_struct work;
41	struct timer_list timer;
42
43	/* target workqueue and CPU ->timer uses to queue ->work */
44	struct workqueue_struct *wq;
45	int cpu;
46};
47
48
49static inline bool schedule_work(struct work_struct *work)
50{
51	BUG();
52	return true;
53}
54
55static inline bool schedule_work_on(int cpu, struct work_struct *work)
56{
57	BUG();
58	return true;
59}
60
61static inline bool queue_work(struct workqueue_struct *wq,
62			      struct work_struct *work)
63{
64	BUG();
65	return true;
66}
67
68static inline bool queue_delayed_work(struct workqueue_struct *wq,
69				      struct delayed_work *dwork,
70				      unsigned long delay)
71{
72	BUG();
73	return true;
74}
75
76#define INIT_WORK(w, f) \
77	do { \
78		(w)->data = 0; \
79		(w)->func = (f); \
80	} while (0)
81
82#define INIT_DELAYED_WORK(w, f) INIT_WORK(&(w)->work, (f))
83
84#define __WORK_INITIALIZER(n, f) { \
85		.data = 0, \
86		.entry = { &(n).entry, &(n).entry }, \
87		.func = f \
88	}
89
90/* Don't bother initializing timer. */
91#define __DELAYED_WORK_INITIALIZER(n, f, tflags) { \
92	.work = __WORK_INITIALIZER((n).work, (f)), \
93	}
94
95#define DECLARE_WORK(n, f) \
96	struct workqueue_struct n = __WORK_INITIALIZER
97
98#define DECLARE_DELAYED_WORK(n, f) \
99	struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f, 0)
100
101#define system_power_efficient_wq ((struct workqueue_struct *) NULL)
102
103#endif
104