Release 4.14 tools/include/linux/kernel.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __TOOLS_LINUX_KERNEL_H

#define __TOOLS_LINUX_KERNEL_H

#include <stdarg.h>
#include <stddef.h>
#include <assert.h>
#include <linux/compiler.h>
#include <endian.h>
#include <byteswap.h>

#ifndef UINT_MAX

#define UINT_MAX	(~0U)
#endif


#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))


#define PERF_ALIGN(x, a)	__PERF_ALIGN_MASK(x, (typeof(x))(a)-1)

#define __PERF_ALIGN_MASK(x, mask)	(((x)+(mask))&~(mask))

#ifndef offsetof

#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif

#ifndef container_of
/**
 * container_of - cast a member of a structure out to the containing structure
 * @ptr:        the pointer to the member.
 * @type:       the type of the container struct this is embedded in.
 * @member:     the name of the member within the struct.
 *
 */

#define container_of(ptr, type, member) ({                      \
        const typeof(((type *)0)->member) * __mptr = (ptr);     \
        (type *)((char *)__mptr - offsetof(type, member)); })
#endif


#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))

#ifndef max

#define max(x, y) ({                              \
        typeof(x) _max1 = (x);                  \
        typeof(y) _max2 = (y);                  \
        (void) (&_max1 == &_max2);              \
        _max1 > _max2 ? _max1 : _max2; })
#endif

#ifndef min

#define min(x, y) ({                              \
        typeof(x) _min1 = (x);                  \
        typeof(y) _min2 = (y);                  \
        (void) (&_min1 == &_min2);              \
        _min1 < _min2 ? _min1 : _min2; })
#endif

#ifndef roundup

#define roundup(x, y) (                                \
{                                                      \
        const typeof(y) __y = y;                       \
        (((x) + (__y - 1)) / __y) * __y;               \
}                                                      \
)
#endif

#ifndef BUG_ON
#ifdef NDEBUG

#define BUG_ON(cond) do { if (cond) {} } while (0)
#else

#define BUG_ON(cond) assert(!(cond))
#endif
#endif

#if __BYTE_ORDER == __BIG_ENDIAN

#define cpu_to_le16 bswap_16

#define cpu_to_le32 bswap_32

#define cpu_to_le64 bswap_64

#define le16_to_cpu bswap_16

#define le32_to_cpu bswap_32

#define le64_to_cpu bswap_64

#define cpu_to_be16

#define cpu_to_be32

#define cpu_to_be64

#define be16_to_cpu

#define be32_to_cpu

#define be64_to_cpu
#else

#define cpu_to_le16

#define cpu_to_le32

#define cpu_to_le64

#define le16_to_cpu

#define le32_to_cpu

#define le64_to_cpu

#define cpu_to_be16 bswap_16

#define cpu_to_be32 bswap_32

#define cpu_to_be64 bswap_64

#define be16_to_cpu bswap_16

#define be32_to_cpu bswap_32

#define be64_to_cpu bswap_64
#endif

int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
int scnprintf(char * buf, size_t size, const char * fmt, ...);


#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))

/*
 * This looks more complex than it should be. But we need to
 * get the type for the ~ right in round_down (it needs to be
 * as wide as the result!), and we want to evaluate the macro
 * arguments just once each.
 */

#define __round_mask(x, y) ((__typeof__(x))((y)-1))

#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)

#define round_down(x, y) ((x) & ~__round_mask(x, y))


#define current_gfp_context(k) 0

#define synchronize_sched()

#endif
Overall Contributors
Person
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CommitProp
Frédéric Weisbecker
99
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1
6.67%
Adrian Hunter
93
26.42%
1
6.67%
Arnaldo Carvalho de Melo
80
22.73%
6
40.00%
Irina Tirdea
31
8.81%
3
20.00%
Jiri Olsa
28
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1
6.67%
Alexander (Sasha) Levin
18
5.11%
1
6.67%
Wang Nan
2
0.57%
1
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Greg Kroah-Hartman
1
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1
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352
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Directory: tools/include/linux

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