--- /dev/null
+/*
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef __XFS_TYPES_H__
+#define __XFS_TYPES_H__
+
+typedef __uint32_t prid_t; /* project ID */
+
+typedef __uint32_t xfs_agblock_t; /* blockno in alloc. group */
+typedef __uint32_t xfs_agino_t; /* inode # within allocation grp */
+typedef __uint32_t xfs_extlen_t; /* extent length in blocks */
+typedef __uint32_t xfs_agnumber_t; /* allocation group number */
+typedef __int32_t xfs_extnum_t; /* # of extents in a file */
+typedef __int16_t xfs_aextnum_t; /* # extents in an attribute fork */
+typedef __int64_t xfs_fsize_t; /* bytes in a file */
+typedef __uint64_t xfs_ufsize_t; /* unsigned bytes in a file */
+
+typedef __int32_t xfs_suminfo_t; /* type of bitmap summary info */
+typedef __int32_t xfs_rtword_t; /* word type for bitmap manipulations */
+
+typedef __int64_t xfs_lsn_t; /* log sequence number */
+typedef __int32_t xfs_tid_t; /* transaction identifier */
+
+typedef __uint32_t xfs_dablk_t; /* dir/attr block number (in file) */
+typedef __uint32_t xfs_dahash_t; /* dir/attr hash value */
+
+typedef __uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */
+typedef __uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
+typedef __uint64_t xfs_rtblock_t; /* extent (block) in realtime area */
+typedef __uint64_t xfs_fileoff_t; /* block number in a file */
+typedef __uint64_t xfs_filblks_t; /* number of blocks in a file */
+
+typedef __int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
+typedef __int64_t xfs_sfiloff_t; /* signed block number in a file */
+
+/*
+ * Null values for the types.
+ */
+#define NULLFSBLOCK ((xfs_fsblock_t)-1)
+#define NULLRFSBLOCK ((xfs_rfsblock_t)-1)
+#define NULLRTBLOCK ((xfs_rtblock_t)-1)
+#define NULLFILEOFF ((xfs_fileoff_t)-1)
+
+#define NULLAGBLOCK ((xfs_agblock_t)-1)
+#define NULLAGNUMBER ((xfs_agnumber_t)-1)
+#define NULLEXTNUM ((xfs_extnum_t)-1)
+
+#define NULLCOMMITLSN ((xfs_lsn_t)-1)
+
+#define NULLFSINO ((xfs_ino_t)-1)
+#define NULLAGINO ((xfs_agino_t)-1)
+
+/*
+ * Max values for extlen, extnum, aextnum.
+ */
+#define MAXEXTLEN ((xfs_extlen_t)0x001fffff) /* 21 bits */
+#define MAXEXTNUM ((xfs_extnum_t)0x7fffffff) /* signed int */
+#define MAXAEXTNUM ((xfs_aextnum_t)0x7fff) /* signed short */
+
+/*
+ * Minimum and maximum blocksize and sectorsize.
+ * The blocksize upper limit is pretty much arbitrary.
+ * The sectorsize upper limit is due to sizeof(sb_sectsize).
+ */
+#define XFS_MIN_BLOCKSIZE_LOG 9 /* i.e. 512 bytes */
+#define XFS_MAX_BLOCKSIZE_LOG 16 /* i.e. 65536 bytes */
+#define XFS_MIN_BLOCKSIZE (1 << XFS_MIN_BLOCKSIZE_LOG)
+#define XFS_MAX_BLOCKSIZE (1 << XFS_MAX_BLOCKSIZE_LOG)
+#define XFS_MIN_SECTORSIZE_LOG 9 /* i.e. 512 bytes */
+#define XFS_MAX_SECTORSIZE_LOG 15 /* i.e. 32768 bytes */
+#define XFS_MIN_SECTORSIZE (1 << XFS_MIN_SECTORSIZE_LOG)
+#define XFS_MAX_SECTORSIZE (1 << XFS_MAX_SECTORSIZE_LOG)
+
+/*
+ * Inode fork identifiers.
+ */
+#define XFS_DATA_FORK 0
+#define XFS_ATTR_FORK 1
+
+/*
+ * Min numbers of data/attr fork btree root pointers.
+ */
+#define MINDBTPTRS 3
+#define MINABTPTRS 2
+
+/*
+ * MAXNAMELEN is the length (including the terminating null) of
+ * the longest permissible file (component) name.
+ */
+#define MAXNAMELEN 256
+
+typedef enum {
+ XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi
+} xfs_lookup_t;
+
+typedef enum {
+ XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi,
+ XFS_BTNUM_FINOi, XFS_BTNUM_MAX
+} xfs_btnum_t;
+
+struct xfs_name {
+ const unsigned char *name;
+ int len;
+ int type;
+};
+
+/*
+ * uid_t and gid_t are hard-coded to 32 bits in the inode.
+ * Hence, an 'id' in a dquot is 32 bits..
+ */
+typedef __uint32_t xfs_dqid_t;
+
+/*
+ * Constants for bit manipulations.
+ */
+#define XFS_NBBYLOG 3 /* log2(NBBY) */
+#define XFS_WORDLOG 2 /* log2(sizeof(xfs_rtword_t)) */
+#define XFS_NBWORDLOG (XFS_NBBYLOG + XFS_WORDLOG)
+#define XFS_NBWORD (1 << XFS_NBWORDLOG)
+#define XFS_WORDMASK ((1 << XFS_WORDLOG) - 1)
+
+
+#endif /* __XFS_TYPES_H__ */
Code Review / kvmfornfv.git / blobdiff