109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
|
/* 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/build_bug.h>
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
#include <linux/math.h>
|
||
|
|
#include <endian.h>
|
||
|
|
#include <byteswap.h>
|
||
|
|
|
||
|
|
#ifndef UINT_MAX
|
||
|
|
#define UINT_MAX (~0U)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define _RET_IP_ ((unsigned long)__builtin_return_address(0))
|
||
|
|
|
||
|
|
#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
|
||
|
|
|
||
|
|
#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
|
||
|
|
|
||
|
|
#define max_t(type, x, y) max((type)x, (type)y)
|
||
|
|
#define min_t(type, x, y) min((type)x, (type)y)
|
||
|
|
#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
|
||
|
|
|
||
|
|
#ifndef BUG_ON
|
||
|
|
#ifdef NDEBUG
|
||
|
|
#define BUG_ON(cond) do { if (cond) {} } while (0)
|
||
|
|
#else
|
||
|
|
#define BUG_ON(cond) assert(!(cond))
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
#define BUG() BUG_ON(1)
|
||
|
|
|
||
|
|
#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, ...);
|
||
|
|
int scnprintf_pad(char * buf, size_t size, const char * fmt, ...);
|
||
|
|
|
||
|
|
#ifndef ARRAY_SIZE
|
||
|
|
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define current_gfp_context(k) 0
|
||
|
|
#define synchronize_rcu()
|
||
|
|
|
||
|
|
#endif
|