root/include/linux/types.h

INCLUDED FROM

#ifndef _LINUX_TYPES_H
#define _LINUX_TYPES_H

#define __EXPORTED_HEADERS__
#include <uapi/linux/types.h>

#ifndef __ASSEMBLY__

#define DECLARE_BITMAP(name,bits) \
        unsigned long name[BITS_TO_LONGS(bits)]

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 unsigned short          umode_t;
typedef __u32                   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;

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;

typedef unsigned long           uintptr_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 */

#if defined(__GNUC__)
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__)
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 __u64 __attribute__((aligned(8)))
#define aligned_be64 __be64 __attribute__((aligned(8)))
#define aligned_le64 __le64 __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.
 *
 * blkcnt_t is the type of the inode's block count.
 */
#ifdef CONFIG_LBDAF
typedef u64 sector_t;
typedef u64 blkcnt_t;
#else
typedef unsigned long sector_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

/* A dma_addr_t can hold any valid DMA or bus address for the platform */
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
typedef u64 dma_addr_t;
#else
typedef u32 dma_addr_t;
#endif /* dma_addr_t */

#ifdef __CHECKER__
#else
#endif
#ifdef __CHECK_ENDIAN__
#else
#endif
typedef unsigned __bitwise__ gfp_t;
typedef unsigned __bitwise__ fmode_t;
typedef unsigned __bitwise__ oom_flags_t;

#ifdef CONFIG_PHYS_ADDR_T_64BIT
typedef u64 phys_addr_t;
#else
typedef u32 phys_addr_t;
#endif

typedef phys_addr_t resource_size_t;

/*
 * This type is the placeholder for a hardware interrupt number. It has to be
 * big enough to enclose whatever representation is used by a given platform.
 */
typedef unsigned long irq_hw_number_t;

typedef struct {
        int counter;
} atomic_t;

#ifdef CONFIG_64BIT
typedef struct {
        long counter;
} atomic64_t;
#endif

struct list_head {
        struct list_head *next, *prev;
};

struct hlist_head {
        struct hlist_node *first;
};

struct hlist_node {
        struct hlist_node *next, **pprev;
};

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

/**
 * struct callback_head - callback structure for use with RCU and task_work
 * @next: next update requests in a list
 * @func: actual update function to call after the grace period.
 */
struct callback_head {
        struct callback_head *next;
        void (*func)(struct callback_head *head);
};
#define rcu_head callback_head

#endif /*  __ASSEMBLY__ */
#endif /* _LINUX_TYPES_H */