1 files changed, 165 insertions, 0 deletions
diff --git a/sys/gnu/fs/xfs/FreeBSD/xfs_compat.h b/sys/gnu/fs/xfs/FreeBSD/xfs_compat.h
new file mode 100644
index 0000000..d89e38b
--- /dev/null
+++ b/sys/gnu/fs/xfs/FreeBSD/xfs_compat.h
@@ -0,0 +1,165 @@
+#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__ */