mkfs/xfs_mkfs.h

   1 /*
   2  * Copyright (c) 2000-2001,2004-2005 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __XFS_MKFS_H__
  19 #define __XFS_MKFS_H__
  20
  21 #define XFS_DFL_SB_VERSION_BITS \
  22                 (XFS_SB_VERSION_NLINKBIT | \
  23                  XFS_SB_VERSION_EXTFLGBIT | \
  24                  XFS_SB_VERSION_DIRV2BIT)
  25
  26 #define XFS_SB_VERSION_MKFS(crc,ia,dia,log2,attr1,sflag,ci,more) (\
  27         ((crc)||(ia)||(dia)||(log2)||(attr1)||(sflag)||(ci)||(more)) ? \
  28         (((crc) ? XFS_SB_VERSION_5 : XFS_SB_VERSION_4) |                \
  29                 ((ia) ? XFS_SB_VERSION_ALIGNBIT : 0) |                  \
  30                 ((dia) ? XFS_SB_VERSION_DALIGNBIT : 0) |                \
  31                 ((log2) ? XFS_SB_VERSION_LOGV2BIT : 0) |                \
  32                 ((attr1) ? XFS_SB_VERSION_ATTRBIT : 0) |                \
  33                 ((sflag) ? XFS_SB_VERSION_SECTORBIT : 0) |              \
  34                 ((ci) ? XFS_SB_VERSION_BORGBIT : 0) |                   \
  35                 ((more) ? XFS_SB_VERSION_MOREBITSBIT : 0) |             \
  36                 XFS_DFL_SB_VERSION_BITS |                               \
  37         0 ) : XFS_SB_VERSION_1 )
  38
  39 #define XFS_SB_VERSION2_MKFS(crc, lazycount, attr2, projid32bit, parent, \
  40                              ftype) (\
  41         ((lazycount) ? XFS_SB_VERSION2_LAZYSBCOUNTBIT : 0) |            \
  42         ((attr2) ? XFS_SB_VERSION2_ATTR2BIT : 0) |                      \
  43         ((projid32bit) ? XFS_SB_VERSION2_PROJID32BIT : 0) |             \
  44         ((parent) ? XFS_SB_VERSION2_PARENTBIT : 0) |                    \
  45         ((crc) ? XFS_SB_VERSION2_CRCBIT : 0) |                          \
  46         ((ftype) ? XFS_SB_VERSION2_FTYPE : 0) |                         \
  47         0 )
  48
  49 #define XFS_DFL_BLOCKSIZE_LOG   12              /* 4096 byte blocks */
  50 #define XFS_DINODE_DFL_LOG      8               /* 256 byte inodes */
  51 #define XFS_DINODE_DFL_CRC_LOG  9               /* 512 byte inodes for CRCs */
  52 #define XFS_MIN_DATA_BLOCKS     100
  53 #define XFS_MIN_INODE_PERBLOCK  2               /* min inodes per block */
  54 #define XFS_DFL_IMAXIMUM_PCT    25              /* max % of space for inodes */
  55 #define XFS_IFLAG_ALIGN         1               /* -i align defaults on */
  56 #define XFS_MIN_REC_DIRSIZE     12              /* 4096 byte dirblocks (V2) */
  57 #define XFS_DFL_DIR_VERSION     2               /* default directory version */
  58 #define XFS_DFL_LOG_SIZE        1000            /* default log size, blocks */
  59 #define XFS_DFL_LOG_FACTOR      5               /* default log size, factor */
  60                                                 /* with max trans reservation */
  61 #define XFS_MAX_INODE_SIG_BITS  32              /* most significant bits in an
  62                                                  * inode number that we'll
  63                                                  * accept w/o warnings
  64                                                  */
  65
  66 #define XFS_AG_BYTES(bblog)     ((long long)BBSIZE << (bblog))
  67 #define XFS_AG_MIN_BYTES        ((XFS_AG_BYTES(15)))    /* 16 MB */
  68 #define XFS_AG_MIN_BLOCKS(blog) ((XFS_AG_BYTES(15)) >> (blog))
  69 #define XFS_AG_MAX_BLOCKS(blog) ((XFS_AG_BYTES(31) - 1) >> (blog))
  70
  71 #define XFS_MAX_AGNUMBER        ((xfs_agnumber_t)(NULLAGNUMBER - 1))
  72
  73
  74 /* xfs_mkfs.c */
  75 extern int isdigits (char *str);
  76 extern long long cvtnum (unsigned int blocksize,
  77                          unsigned int sectorsize, char *s);
  78
  79 /* proto.c */
  80 extern char *setup_proto (char *fname);
  81 extern void parse_proto (xfs_mount_t *mp, struct fsxattr *fsx, char **pp);
  82 extern void res_failed (int err);
  83
  84 /* maxtrres.c */
  85 extern int max_trans_res (int crcs_enabled, int dirversion,
  86                 int sectorlog, int blocklog, int inodelog, int dirblocklog,
  87                 int logversion, int log_sunit, int finobt);
  88
  89 #endif  /* __XFS_MKFS_H__ */