1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * aQuantia Corporation Network Driver
4 * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
5 */
6
7/* File aq_utils.h: Useful macro and structures used in all layers of driver. */
8
9#ifndef AQ_UTILS_H
10#define AQ_UTILS_H
11
12#include "aq_common.h"
13
14static inline void aq_utils_obj_set(atomic_t *flags, u32 mask)
15{
16	unsigned long flags_old, flags_new;
17
18	do {
19		flags_old = atomic_read(flags);
20		flags_new = flags_old | (mask);
21	} while (atomic_cmpxchg(flags, flags_old, flags_new) != flags_old);
22}
23
24static inline void aq_utils_obj_clear(atomic_t *flags, u32 mask)
25{
26	unsigned long flags_old, flags_new;
27
28	do {
29		flags_old = atomic_read(flags);
30		flags_new = flags_old & ~(mask);
31	} while (atomic_cmpxchg(flags, flags_old, flags_new) != flags_old);
32}
33
34static inline bool aq_utils_obj_test(atomic_t *flags, u32 mask)
35{
36	return atomic_read(flags) & mask;
37}
38
39#endif /* AQ_UTILS_H */
40