[mirror_ubuntu-bionic-kernel.git] / include / linux / types.h

#ifndef _LINUX_TYPES_H
#define _LINUX_TYPES_H

#ifdef	__KERNEL__

#define BITS_TO_LONGS(bits) \
	(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
#define DECLARE_BITMAP(name,bits) \
	unsigned long name[BITS_TO_LONGS(bits)]

#define BITS_PER_BYTE 8
#endif

#include <linux/posix_types.h>
#include <asm/types.h>

#ifndef __KERNEL_STRICT_NAMES

typedef __u32 __kernel_dev_t;

typedef __kernel_fd_set		fd_set;
typedef __kernel_dev_t		dev_t;
typedef __kernel_ino_t		ino_t;
typedef __kernel_mode_t		mode_t;
typedef __kernel_nlink_t	nlink_t;
typedef __kernel_off_t		off_t;
typedef __kernel_pid_t		pid_t;
typedef __kernel_daddr_t	daddr_t;
typedef __kernel_key_t		key_t;
typedef __kernel_suseconds_t	suseconds_t;
typedef __kernel_timer_t	timer_t;
typedef __kernel_clockid_t	clockid_t;
typedef __kernel_mqd_t		mqd_t;

#ifdef __KERNEL__
typedef _Bool			bool;

typedef __kernel_uid32_t	uid_t;
typedef __kernel_gid32_t	gid_t;
typedef __kernel_uid16_t        uid16_t;
typedef __kernel_gid16_t        gid16_t;

#ifdef CONFIG_UID16
/* This is defined by include/asm-{arch}/posix_types.h */
typedef __kernel_old_uid_t	old_uid_t;
typedef __kernel_old_gid_t	old_gid_t;
#endif /* CONFIG_UID16 */

/* libc5 includes this file to define uid_t, thus uid_t can never change
 * when it is included by non-kernel code
 */
#else
typedef __kernel_uid_t		uid_t;
typedef __kernel_gid_t		gid_t;
#endif /* __KERNEL__ */

#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
typedef __kernel_loff_t		loff_t;
#endif

/*
 * The following typedefs are also protected by individual ifdefs for
 * historical reasons:
 */
#ifndef _SIZE_T
#define _SIZE_T
typedef __kernel_size_t		size_t;
#endif

#ifndef _SSIZE_T
#define _SSIZE_T
typedef __kernel_ssize_t	ssize_t;
#endif

#ifndef _PTRDIFF_T
#define _PTRDIFF_T
typedef __kernel_ptrdiff_t	ptrdiff_t;
#endif

#ifndef _TIME_T
#define _TIME_T
typedef __kernel_time_t		time_t;
#endif

#ifndef _CLOCK_T
#define _CLOCK_T
typedef __kernel_clock_t	clock_t;
#endif

#ifndef _CADDR_T
#define _CADDR_T
typedef __kernel_caddr_t	caddr_t;
#endif

/* bsd */
typedef unsigned char		u_char;
typedef unsigned short		u_short;
typedef unsigned int		u_int;
typedef unsigned long		u_long;

/* sysv */
typedef unsigned char		unchar;
typedef unsigned short		ushort;
typedef unsigned int		uint;
typedef unsigned long		ulong;

#ifndef __BIT_TYPES_DEFINED__
#define __BIT_TYPES_DEFINED__

typedef		__u8		u_int8_t;
typedef		__s8		int8_t;
typedef		__u16		u_int16_t;
typedef		__s16		int16_t;
typedef		__u32		u_int32_t;
typedef		__s32		int32_t;

#endif /* !(__BIT_TYPES_DEFINED__) */

typedef		__u8		uint8_t;
typedef		__u16		uint16_t;
typedef		__u32		uint32_t;

#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
typedef		__u64		uint64_t;
typedef		__u64		u_int64_t;
typedef		__s64		int64_t;
#endif

/* this is a special 64bit data type that is 8-byte aligned */
#define aligned_u64 unsigned long long __attribute__((aligned(8)))

/**
 * The type used for indexing onto a disc or disc partition.
 *
 * Linux always considers sectors to be 512 bytes long independently
 * of the devices real block size.
 *
 * If required, asm/types.h can override it and define
 * HAVE_SECTOR_T
 */
#ifndef HAVE_SECTOR_T
typedef unsigned long sector_t;
#endif

#ifndef HAVE_BLKCNT_T
typedef unsigned long blkcnt_t;
#endif

/*
 * The type of an index into the pagecache.  Use a #define so asm/types.h
 * can override it.
 */
#ifndef pgoff_t
#define pgoff_t unsigned long
#endif

#endif /* __KERNEL_STRICT_NAMES */

/*
 * Below are truly Linux-specific types that should never collide with
 * any application/library that wants linux/types.h.
 */

#ifdef __CHECKER__
#define __bitwise__ __attribute__((bitwise))
#else
#define __bitwise__
#endif
#ifdef __CHECK_ENDIAN__
#define __bitwise __bitwise__
#else
#define __bitwise
#endif

typedef __u16 __bitwise __le16;
typedef __u16 __bitwise __be16;
typedef __u32 __bitwise __le32;
typedef __u32 __bitwise __be32;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
typedef __u64 __bitwise __le64;
typedef __u64 __bitwise __be64;
#endif

#ifdef __KERNEL__
typedef unsigned __bitwise__ gfp_t;

#ifdef CONFIG_RESOURCES_64BIT
typedef u64 resource_size_t;
#else
typedef u32 resource_size_t;
#endif

#endif	/* __KERNEL__ */

struct ustat {
	__kernel_daddr_t	f_tfree;
	__kernel_ino_t		f_tinode;
	char			f_fname[6];
	char			f_fpack[6];
};

#endif /* _LINUX_TYPES_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_TYPES_H
	2	#define _LINUX_TYPES_H
	3
	4	#ifdef __KERNEL__
1da177e4 LT	5
	6	#define BITS_TO_LONGS(bits) \
	7	(((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
	8	#define DECLARE_BITMAP(name,bits) \
	9	unsigned long name[BITS_TO_LONGS(bits)]
f7589f28 BS	10
f7589f28 BS	11	#define BITS_PER_BYTE 8
1da177e4 LT	12	#endif
	13
	14	#include <linux/posix_types.h>
	15	#include <asm/types.h>
	16
	17	#ifndef __KERNEL_STRICT_NAMES
	18
	19	typedef __u32 __kernel_dev_t;
	20
	21	typedef __kernel_fd_set fd_set;
	22	typedef __kernel_dev_t dev_t;
	23	typedef __kernel_ino_t ino_t;
	24	typedef __kernel_mode_t mode_t;
	25	typedef __kernel_nlink_t nlink_t;
	26	typedef __kernel_off_t off_t;
	27	typedef __kernel_pid_t pid_t;
	28	typedef __kernel_daddr_t daddr_t;
	29	typedef __kernel_key_t key_t;
	30	typedef __kernel_suseconds_t suseconds_t;
	31	typedef __kernel_timer_t timer_t;
	32	typedef __kernel_clockid_t clockid_t;
	33	typedef __kernel_mqd_t mqd_t;
	34
	35	#ifdef __KERNEL__
6e218287 RK	36	typedef _Bool bool;
6e218287 RK	37
1da177e4 LT	38	typedef __kernel_uid32_t uid_t;
	39	typedef __kernel_gid32_t gid_t;
	40	typedef __kernel_uid16_t uid16_t;
	41	typedef __kernel_gid16_t gid16_t;
	42
	43	#ifdef CONFIG_UID16
	44	/* This is defined by include/asm-{arch}/posix_types.h */
	45	typedef __kernel_old_uid_t old_uid_t;
	46	typedef __kernel_old_gid_t old_gid_t;
	47	#endif /* CONFIG_UID16 */
	48
	49	/* libc5 includes this file to define uid_t, thus uid_t can never change
	50	* when it is included by non-kernel code
	51	*/
	52	#else
	53	typedef __kernel_uid_t uid_t;
	54	typedef __kernel_gid_t gid_t;
	55	#endif /* __KERNEL__ */
	56
	57	#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
	58	typedef __kernel_loff_t loff_t;
	59	#endif
	60
	61	/*
	62	* The following typedefs are also protected by individual ifdefs for
	63	* historical reasons:
	64	*/
	65	#ifndef _SIZE_T
	66	#define _SIZE_T
	67	typedef __kernel_size_t size_t;
	68	#endif
	69
	70	#ifndef _SSIZE_T
	71	#define _SSIZE_T
	72	typedef __kernel_ssize_t ssize_t;
	73	#endif
	74
	75	#ifndef _PTRDIFF_T
	76	#define _PTRDIFF_T
	77	typedef __kernel_ptrdiff_t ptrdiff_t;
	78	#endif
	79
	80	#ifndef _TIME_T
	81	#define _TIME_T
	82	typedef __kernel_time_t time_t;
	83	#endif
	84
	85	#ifndef _CLOCK_T
	86	#define _CLOCK_T
	87	typedef __kernel_clock_t clock_t;
	88	#endif
	89
	90	#ifndef _CADDR_T
	91	#define _CADDR_T
	92	typedef __kernel_caddr_t caddr_t;
	93	#endif
	94
	95	/* bsd */
	96	typedef unsigned char u_char;
	97	typedef unsigned short u_short;
	98	typedef unsigned int u_int;
	99	typedef unsigned long u_long;
	100
	101	/* sysv */
102	typedef unsigned char unchar;
103	typedef unsigned short ushort;
104	typedef unsigned int uint;
105	typedef unsigned long ulong;
106
107	#ifndef __BIT_TYPES_DEFINED__
108	#define __BIT_TYPES_DEFINED__
109
110	typedef __u8 u_int8_t;
111	typedef __s8 int8_t;
112	typedef __u16 u_int16_t;
113	typedef __s16 int16_t;
114	typedef __u32 u_int32_t;
115	typedef __s32 int32_t;
116
117	#endif /* !(__BIT_TYPES_DEFINED__) */
118
119	typedef __u8 uint8_t;
120	typedef __u16 uint16_t;
121	typedef __u32 uint32_t;
122
123	#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
124	typedef __u64 uint64_t;
125	typedef __u64 u_int64_t;
126	typedef __s64 int64_t;
127	#endif
128
0ba2c6e8 HW	129	/* this is a special 64bit data type that is 8-byte aligned */
	130	#define aligned_u64 unsigned long long __attribute__((aligned(8)))
	131
2c2345c2	132	/**
1da177e4	133	* The type used for indexing onto a disc or disc partition.
2c2345c2 RG	134	*
	135	* Linux always considers sectors to be 512 bytes long independently
	136	* of the devices real block size.
	137	*
1da177e4 LT	138	* If required, asm/types.h can override it and define
	139	* HAVE_SECTOR_T
	140	*/
	141	#ifndef HAVE_SECTOR_T
	142	typedef unsigned long sector_t;
	143	#endif
	144
a0f62ac6 TS	145	#ifndef HAVE_BLKCNT_T
	146	typedef unsigned long blkcnt_t;
	147	#endif
	148
1da177e4 LT	149	/*
	150	* The type of an index into the pagecache. Use a #define so asm/types.h
	151	* can override it.
	152	*/
	153	#ifndef pgoff_t
	154	#define pgoff_t unsigned long
	155	#endif
	156
	157	#endif /* __KERNEL_STRICT_NAMES */
	158
	159	/*
	160	* Below are truly Linux-specific types that should never collide with
	161	* any application/library that wants linux/types.h.
	162	*/
	163
	164	#ifdef __CHECKER__
af4ca457 AV	165	#define __bitwise__ __attribute__((bitwise))
	166	#else
	167	#define __bitwise__
	168	#endif
	169	#ifdef __CHECK_ENDIAN__
	170	#define __bitwise __bitwise__
1da177e4 LT	171	#else
	172	#define __bitwise
	173	#endif
	174
	175	typedef __u16 __bitwise __le16;
	176	typedef __u16 __bitwise __be16;
	177	typedef __u32 __bitwise __le32;
	178	typedef __u32 __bitwise __be32;
	179	#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
	180	typedef __u64 __bitwise __le64;
	181	typedef __u64 __bitwise __be64;
	182	#endif
	183
dd0fc66f	184	#ifdef __KERNEL__
af4ca457	185	typedef unsigned __bitwise__ gfp_t;
cf7c712c	186
6550e07f GKH	187	#ifdef CONFIG_RESOURCES_64BIT
	188	typedef u64 resource_size_t;
	189	#else
	190	typedef u32 resource_size_t;
dd0fc66f AV	191	#endif
dd0fc66f AV	192
6550e07f GKH	193	#endif /* __KERNEL__ */
6550e07f GKH	194
1da177e4 LT	195	struct ustat {
	196	__kernel_daddr_t f_tfree;
	197	__kernel_ino_t f_tinode;
	198	char f_fname[6];
	199	char f_fpack[6];
	200	};
	201
	202	#endif /* _LINUX_TYPES_H */