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- /*
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2019 Western Digital Corporation or its affiliates.
- *
- * Authors:
- * Anup Patel <anup.patel@wdc.com>
- */
- #ifndef __SBI_BITS_H__
- #define __SBI_BITS_H__
- #define likely(x) __builtin_expect((x), 1)
- #define unlikely(x) __builtin_expect((x), 0)
- #define ROUNDUP(a, b) ((((a)-1) / (b) + 1) * (b))
- #define ROUNDDOWN(a, b) ((a) / (b) * (b))
- #define MAX(a, b) ((a) > (b) ? (a) : (b))
- #define MIN(a, b) ((a) < (b) ? (a) : (b))
- #define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi)
- #define EXTRACT_FIELD(val, which) (((val) & (which)) / ((which) & ~((which)-1)))
- #define INSERT_FIELD(val, which, fieldval) \
- (((val) & ~(which)) | ((fieldval) * ((which) & ~((which)-1))))
- #define STR(x) XSTR(x)
- #define XSTR(x) #x
- #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
- #define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
- #endif
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