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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
5 *
6 */
7#ifndef _MALIDP_UTILS_
8#define _MALIDP_UTILS_
9
10#include <linux/delay.h>
11
12#define has_bit(nr, mask) (BIT(nr) & (mask))
13#define has_bits(bits, mask) (((bits) & (mask)) == (bits))
14
15#define dp_for_each_set_bit(bit, mask) \
16 for_each_set_bit((bit), ((unsigned long *)&(mask)), sizeof(mask) * 8)
17
18#define dp_wait_cond(__cond, __tries, __min_range, __max_range) \
19({ \
20 int num_tries = __tries; \
21 while (!__cond && (num_tries > 0)) { \
22 usleep_range(__min_range, __max_range); \
23 if (__cond) \
24 break; \
25 num_tries--; \
26 } \
27 num_tries; \
28})
29
30/* the restriction of range is [start, end] */
31struct malidp_range {
32 u32 start;
33 u32 end;
34};
35
36static inline void set_range(struct malidp_range *rg, u32 start, u32 end)
37{
38 rg->start = start;
39 rg->end = end;
40}
41
42static inline bool in_range(struct malidp_range *rg, u32 v)
43{
44 return (v >= rg->start) && (v <= rg->end);
45}
46
47#endif /* _MALIDP_UTILS_ */