166 lines
3.1 KiB
C
166 lines
3.1 KiB
C
#ifndef __XFS_COMPAT_H__
|
|
#define __XFS_COMPAT_H__
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/libkern.h>
|
|
#include <sys/limits.h>
|
|
#include <sys/uuid.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/sbuf.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioccom.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/dirent.h>
|
|
#include <sys/ktr.h>
|
|
#include <sys/kdb.h>
|
|
|
|
#ifdef _KERNEL
|
|
#define __KERNEL__
|
|
#endif
|
|
|
|
#define printk printf
|
|
|
|
#define MAJOR(x) major(x)
|
|
#define MINOR(x) minor(x)
|
|
|
|
/*
|
|
* SYSV compatibility types missing in FreeBSD.
|
|
*/
|
|
typedef unsigned long ulong;
|
|
typedef unsigned int uint;
|
|
typedef unsigned short ushort;
|
|
|
|
/*
|
|
* Additional type declarations for XFS.
|
|
*/
|
|
typedef signed char __s8;
|
|
typedef unsigned char __u8;
|
|
typedef signed short int __s16;
|
|
typedef unsigned short int __u16;
|
|
typedef signed int __s32;
|
|
typedef unsigned int __u32;
|
|
typedef signed long long int __s64;
|
|
typedef unsigned long long int __u64;
|
|
|
|
/*
|
|
* Linux types with direct FreeBSD conterparts
|
|
*/
|
|
typedef off_t loff_t;
|
|
typedef struct timespec timespec_t;
|
|
typedef struct uuid uuid_t;
|
|
typedef struct fid fid_t;
|
|
typedef dev_t os_dev_t;
|
|
|
|
/*
|
|
* Linux block devices are device vnodes in FreeBSD.
|
|
*/
|
|
#define block_device vnode
|
|
|
|
/*
|
|
* Get the current CPU ID.
|
|
*/
|
|
#define smp_processor_id() PCPU_GET(cpuid)
|
|
|
|
/*
|
|
* FreeBSD does not have BITS_PER_LONG defined.
|
|
*/
|
|
#if defined(LONG_BIT)
|
|
#define BITS_PER_LONG LONG_BIT
|
|
#elif defined(__i386__)
|
|
#define BITS_PER_LONG 32
|
|
#endif
|
|
|
|
/*
|
|
* boolean_t is enum on Linux, int on FreeBSD.
|
|
* Provide value defines.
|
|
*/
|
|
#define B_FALSE 0
|
|
#define B_TRUE 1
|
|
|
|
/*
|
|
* GCC 3.x static branch prediction hints
|
|
*/
|
|
#if __GNUC__ < 3
|
|
#define __builtin_expect(x, expected_value) (x)
|
|
#endif
|
|
|
|
#ifndef likely
|
|
#define likely(x) __builtin_expect((x), 1)
|
|
#endif
|
|
|
|
#ifndef unlikely
|
|
#define unlikely(x) __builtin_expect((x), 0)
|
|
#endif
|
|
|
|
/*
|
|
* ANSI and GCC extension keywords compatibity
|
|
*/
|
|
#ifndef inline
|
|
#define inline __inline__
|
|
#endif
|
|
|
|
#ifndef asm
|
|
#define asm __asm
|
|
#endif
|
|
|
|
#ifndef typeof
|
|
#define typeof __typeof
|
|
#endif
|
|
|
|
/*
|
|
* Miscellaneous limit constants
|
|
*/
|
|
#define MAX_LFS_FILESIZE 0x7fffffffffffffffLL
|
|
|
|
/*
|
|
* Map simple functions to their FreeBSD kernel equivalents
|
|
*/
|
|
#ifndef copy_to_user
|
|
#define copy_to_user(dst, src, len) copyout((src), (dst), (len))
|
|
#endif
|
|
|
|
#ifndef copy_from_user
|
|
#define copy_from_user(dst, src, len) copyin((src), (dst), (len))
|
|
#endif
|
|
|
|
#ifndef memmove
|
|
#define memmove(dst, src, len) bcopy((src), (dst), (len))
|
|
#endif
|
|
|
|
#ifndef barrier
|
|
#define barrier() __asm__ __volatile__("": : :"memory")
|
|
#endif
|
|
|
|
/*
|
|
* Map simple global vairables to FreeBSD kernel equivalents
|
|
*/
|
|
#if !defined(xfs_physmem)
|
|
#define xfs_physmem physmem
|
|
#endif
|
|
|
|
#ifndef HZ
|
|
#define HZ hz
|
|
#endif
|
|
|
|
/*
|
|
* These should be implemented properly for all architectures
|
|
* we want to support.
|
|
*/
|
|
#define get_unaligned(ptr) (*(ptr))
|
|
#define put_unaligned(val, ptr) ((void)( *(ptr) = (val) ))
|
|
|
|
/*
|
|
* Linux type-safe min/max macros.
|
|
*/
|
|
#define min_t(type,x,y) MIN((x),(y))
|
|
#define max_t(type,x,y) MAX((x),(y))
|
|
|
|
|
|
/*
|
|
* Cedentials manipulation.
|
|
*/
|
|
#define current_fsuid(credp) (credp)->cr_uid
|
|
#define current_fsgid(credp) (credp)->cr_groups[0]
|
|
|
|
#endif /* __XFS_COMPAT_H__ */
|