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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#include <linux/errno.h>
12
13#define has_bit(nr, mask) (BIT(nr) & (mask))
14#define has_bits(bits, mask) (((bits) & (mask)) == (bits))
15
16#define dp_for_each_set_bit(bit, mask) \
17 for_each_set_bit((bit), ((unsigned long *)&(mask)), sizeof(mask) * 8)
18
19#define dp_wait_cond(__cond, __tries, __min_range, __max_range) \
20({ \
21 int num_tries = __tries; \
22 while (!__cond && (num_tries > 0)) { \
23 usleep_range(__min_range, __max_range); \
24 num_tries--; \
25 } \
26 (__cond) ? 0 : -ETIMEDOUT; \
27})
28
29/* the restriction of range is [start, end] */
30struct malidp_range {
31 u32 start;
32 u32 end;
33};
34
35static inline void set_range(struct malidp_range *rg, u32 start, u32 end)
36{
37 rg->start = start;
38 rg->end = end;
39}
40
41static inline bool in_range(struct malidp_range *rg, u32 v)
42{
43 return (v >= rg->start) && (v <= rg->end);
44}
45
46#endif /* _MALIDP_UTILS_ */