include/freebsd.h

   1 // SPDX-License-Identifier: LGPL-2.1
   2 /*
   3  * Copyright (c) 2004-2006 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #ifndef __XFS_FREEBSD_H__
   7 #define __XFS_FREEBSD_H__
   8
   9 #include <sys/stat.h>
  10 #include <sys/param.h>
  11 #include <sys/ioccom.h>
  12 #include <sys/mount.h>
  13 #include <ctype.h>
  14 #include <libgen.h>
  15 #include <paths.h>
  16 #include <uuid.h>
  17 #include <mntent.h>
  18
  19 #include <sys/endian.h>
  20 #define __BYTE_ORDER    BYTE_ORDER
  21 #define __BIG_ENDIAN    BIG_ENDIAN
  22 #define __LITTLE_ENDIAN LITTLE_ENDIAN
  23
  24 /* FreeBSD file API is 64-bit aware */
  25 #define fdatasync       fsync
  26 #define memalign(a,sz)  valloc(sz)
  27
  28 #define EFSCORRUPTED    990     /* Filesystem is corrupted */
  29 #define EFSBADCRC       991     /* Bad CRC detected */
  30
  31 typedef unsigned char           __u8;
  32 typedef signed char             __s8;
  33 typedef unsigned short          __u16;
  34 typedef signed short            __s16;
  35 typedef unsigned int            __u32;
  36 typedef signed int              __s32;
  37 typedef unsigned long long int  __u64;
  38 typedef signed long long int    __s64;
  39
  40 typedef off_t           xfs_off_t;
  41 typedef uint64_t        xfs_ino_t;
  42 typedef uint32_t        xfs_dev_t;
  43 typedef int64_t         xfs_daddr_t;
  44 typedef __u32           xfs_nlink_t;
  45
  46 #define O_LARGEFILE     0
  47
  48 #define HAVE_FID        1
  49
  50 static __inline__ int xfsctl(const char *path, int fd, int cmd, void *p)
  51 {
  52         return ioctl(fd, cmd, p);
  53 }
  54
  55 static __inline__ int platform_test_xfs_fd(int fd)
  56 {
  57         struct statfs buf;
  58         if (fstatfs(fd, &buf) < 0)
  59                 return 0;
  60         return strncmp(buf.f_fstypename, "xfs", 4) == 0;
  61 }
  62
  63 static __inline__ int platform_test_xfs_path(const char *path)
  64 {
  65         struct statfs buf;
  66         if (statfs(path, &buf) < 0)
  67                 return 0;
  68         return strncmp(buf.f_fstypename, "xfs", 4) == 0;
  69 }
  70
  71 static __inline__ int platform_fstatfs(int fd, struct statfs *buf)
  72 {
  73         return fstatfs(fd, buf);
  74 }
  75
  76 static __inline__ void platform_getoptreset(void)
  77 {
  78         extern int optind;
  79         optind = 0;
  80 }
  81
  82 static __inline__ int platform_uuid_compare(uuid_t *uu1, uuid_t *uu2)
  83 {
  84         return uuid_compare(uu1, uu2, NULL);
  85 }
  86
  87 static __inline__ void platform_uuid_unparse(uuid_t *uu, char *buffer)
  88 {
  89         uint32_t status;
  90         char *s;
  91         uuid_to_string(uu, &s, &status);
  92         if (status == uuid_s_ok)
  93                 strcpy(buffer, s);
  94         else buffer[0] = '\0';
  95         free(s);
  96 }
  97
  98 static __inline__ int platform_uuid_parse(char *buffer, uuid_t *uu)
  99 {
 100         uint32_t status;
 101         uuid_from_string(buffer, uu, &status);
 102         return (status == uuid_s_ok);
 103 }
 104
 105 static __inline__ int platform_uuid_is_null(uuid_t *uu)
 106 {
 107         return uuid_is_nil(uu, NULL);
 108 }
 109
 110 static __inline__ void platform_uuid_generate(uuid_t *uu)
 111 {
 112         uuid_create(uu, NULL);
 113 }
 114
 115 static __inline__ void platform_uuid_clear(uuid_t *uu)
 116 {
 117         uuid_create_nil(uu, NULL);
 118 }
 119
 120 static __inline__ void platform_uuid_copy(uuid_t *dst, uuid_t *src)
 121 {
 122         memcpy(dst, src, sizeof(uuid_t));
 123 }
 124
 125 static __inline__ int
 126 platform_discard_blocks(int fd, uint64_t start, uint64_t len)
 127 {
 128         return 0;
 129 }
 130
 131 /**
 132  * Abstraction of mountpoints.
 133  */
 134 struct mntent_cursor {
 135         FILE *mtabp;
 136 };
 137
 138 static inline int platform_mntent_open(struct mntent_cursor * cursor, char *mtab)
 139 {
 140         cursor->mtabp = setmntent(mtab, "r");
 141         if (!cursor->mtabp) {
 142                 fprintf(stderr, "Error: cannot read %s\n", mtab);
 143                 return 1;
 144         }
 145         return 0;
 146 }
 147
 148 static inline  struct mntent * platform_mntent_next(struct mntent_cursor * cursor)
 149 {
 150         return getmntent(cursor->mtabp);
 151 }
 152
 153 static inline void platform_mntent_close(struct mntent_cursor * cursor)
 154 {
 155         endmntent(cursor->mtabp);
 156 }
 157
 158 /* check whether we have to define FS_IOC_FS[GS]ETXATTR ourselves */
 159 #ifndef HAVE_FSXATTR
 160 struct fsxattr {
 161         __u32           fsx_xflags;     /* xflags field value (get/set) */
 162         __u32           fsx_extsize;    /* extsize field value (get/set)*/
 163         __u32           fsx_nextents;   /* nextents field value (get)   */
 164         __u32           fsx_projid;     /* project identifier (get/set) */
 165         __u32           fsx_cowextsize; /* cow extsize field value (get/set) */
 166         unsigned char   fsx_pad[8];
 167 };
 168
 169 /*
 170  * Flags for the fsx_xflags field
 171  */
 172 #define FS_XFLAG_REALTIME       0x00000001      /* data in realtime volume */
 173 #define FS_XFLAG_PREALLOC       0x00000002      /* preallocated file extents */
 174 #define FS_XFLAG_IMMUTABLE      0x00000008      /* file cannot be modified */
 175 #define FS_XFLAG_APPEND         0x00000010      /* all writes append */
 176 #define FS_XFLAG_SYNC           0x00000020      /* all writes synchronous */
 177 #define FS_XFLAG_NOATIME        0x00000040      /* do not update access time */
 178 #define FS_XFLAG_NODUMP         0x00000080      /* do not include in backups */
 179 #define FS_XFLAG_RTINHERIT      0x00000100      /* create with rt bit set */
 180 #define FS_XFLAG_PROJINHERIT    0x00000200      /* create with parents projid */
 181 #define FS_XFLAG_NOSYMLINKS     0x00000400      /* disallow symlink creation */
 182 #define FS_XFLAG_EXTSIZE        0x00000800      /* extent size allocator hint */
 183 #define FS_XFLAG_EXTSZINHERIT   0x00001000      /* inherit inode extent size */
 184 #define FS_XFLAG_NODEFRAG       0x00002000      /* do not defragment */
 185 #define FS_XFLAG_FILESTREAM     0x00004000      /* use filestream allocator */
 186 #define FS_XFLAG_DAX            0x00008000      /* use DAX for IO */
 187 #define FS_XFLAG_HASATTR        0x80000000      /* no DIFLAG for this   */
 188
 189 #define FS_IOC_FSGETXATTR     _IOR ('X', 31, struct fsxattr)
 190 #define FS_IOC_FSSETXATTR     _IOW ('X', 32, struct fsxattr)
 191
 192 #endif
 193
 194 #ifndef FS_XFLAG_COWEXTSIZE
 195 #define FS_XFLAG_COWEXTSIZE     0x00010000      /* CoW extent size allocator hint */
 196 #endif
 197
 198 #endif  /* __XFS_FREEBSD_H__ */