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author | Sam Leffler <sam@FreeBSD.org> | 2008-12-19 18:47:46 +0000 |
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committer | Sam Leffler <sam@FreeBSD.org> | 2008-12-19 18:47:46 +0000 |
commit | d347a0da971ec2362feeb8c8a613465e2f88b08b (patch) | |
tree | 5b7fad36ebd9c20647ab964d225fd877ac7e71bb /usr.sbin/makefs/makefs.h | |
parent | 696fe43c6cde0a2cd02c583007a915a870e6edc2 (diff) | |
parent | 37f77bffda79d3cd62e841fed8fbd11e163e3a25 (diff) | |
download | src-d347a0da971ec2362feeb8c8a613465e2f88b08b.tar.gz src-d347a0da971ec2362feeb8c8a613465e2f88b08b.zip |
import netbsd makefs tool
Notes
Notes:
svn path=/head/; revision=186335
Diffstat (limited to 'usr.sbin/makefs/makefs.h')
-rw-r--r-- | usr.sbin/makefs/makefs.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/usr.sbin/makefs/makefs.h b/usr.sbin/makefs/makefs.h new file mode 100644 index 000000000000..ce18bf87dfcd --- /dev/null +++ b/usr.sbin/makefs/makefs.h @@ -0,0 +1,305 @@ +/* $NetBSD: makefs.h,v 1.14 2004/06/20 22:20:18 jmc Exp $ */ + +/* + * Copyright (c) 2001 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Luke Mewburn for Wasabi Systems, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _MAKEFS_H +#define _MAKEFS_H + +#include <sys/stat.h> +#include <err.h> + +/* + * fsnode - + * a component of the tree; contains a filename, a pointer to + * fsinode, optional symlink name, and tree pointers + * + * fsinode - + * equivalent to an inode, containing target file system inode number, + * refcount (nlink), and stat buffer + * + * A tree of fsnodes looks like this: + * + * name "." "bin" "netbsd" + * type S_IFDIR S_IFDIR S_IFREG + * next > > NULL + * parent NULL NULL NULL + * child NULL v + * + * name "." "ls" + * type S_IFDIR S_IFREG + * next > NULL + * parent ^ ^ (to "bin") + * child NULL NULL + * + * Notes: + * - first always points to first entry, at current level, which + * must be "." when the tree has been built; during build it may + * not be if "." hasn't yet been found by readdir(2). + */ + +enum fi_flags { + FI_SIZED = 1<<0, /* inode sized */ + FI_ALLOCATED = 1<<1, /* fsinode->ino allocated */ + FI_WRITTEN = 1<<2, /* inode written */ +}; + +typedef struct { + uint32_t ino; /* inode number used on target fs */ + uint32_t nlink; /* number of links to this entry */ + enum fi_flags flags; /* flags used by fs specific code */ + struct stat st; /* stat entry */ +} fsinode; + +typedef struct _fsnode { + struct _fsnode *parent; /* parent (NULL if root) */ + struct _fsnode *child; /* child (if type == S_IFDIR) */ + struct _fsnode *next; /* next */ + struct _fsnode *first; /* first node of current level (".") */ + uint32_t type; /* type of entry */ + fsinode *inode; /* actual inode data */ + char *symlink; /* symlink target */ + char *name; /* file name */ + int flags; /* misc flags */ +} fsnode; + +#define FSNODE_F_HASSPEC 0x01 /* fsnode has a spec entry */ + +/* + * fsinfo_t - contains various settings and parameters pertaining to + * the image, including current settings, global options, and fs + * specific options + */ +typedef struct { + /* current settings */ + off_t size; /* total size */ + off_t inodes; /* number of inodes */ + uint32_t curinode; /* current inode */ + + /* image settings */ + int fd; /* file descriptor of image */ + void *superblock; /* superblock */ + int onlyspec; /* only add entries in specfile */ + + + /* global options */ + off_t minsize; /* minimum size image should be */ + off_t maxsize; /* maximum size image can be */ + off_t freefiles; /* free file entries to leave */ + int freefilepc; /* free file % */ + off_t freeblocks; /* free blocks to leave */ + int freeblockpc; /* free block % */ + int needswap; /* non-zero if byte swapping needed */ + int sectorsize; /* sector size */ + + /* ffs specific options */ + int bsize; /* block size */ + int fsize; /* fragment size */ + int cpg; /* cylinders per group */ + int cpgflg; /* cpg was specified by user */ + int density; /* bytes per inode */ + int ntracks; /* number of tracks */ + int nsectors; /* number of sectors */ + int rpm; /* rpm */ + int minfree; /* free space threshold */ + int optimization; /* optimization (space or time) */ + int maxcontig; /* max contiguous blocks to allocate */ + int rotdelay; /* rotational delay between blocks */ + int maxbpg; /* maximum blocks per file in a cyl group */ + int nrpos; /* # of distinguished rotational positions */ + int avgfilesize; /* expected average file size */ + int avgfpdir; /* expected # of files per directory */ + int version; /* filesystem version (1 = FFS, 2 = UFS2) */ + int maxbsize; /* maximum extent size */ + int maxblkspercg; /* max # of blocks per cylinder group */ + /* XXX: support `old' file systems ? */ +} fsinfo_t; + + +/* + * option_t - contains option name, description, pointer to location to store + * result, and range checks for the result. Used to simplify fs specific + * option setting + */ +typedef struct { + const char *name; /* option name */ + int *value; /* where to stuff the value */ + int minimum; /* minimum for value */ + int maximum; /* maximum for value */ + const char *desc; /* option description */ +} option_t; + + +void apply_specfile(const char *, const char *, fsnode *); +void dump_fsnodes(const char *, fsnode *); +const char * inode_type(mode_t); +int set_option(option_t *, const char *, const char *); +fsnode * walk_dir(const char *, fsnode *); + +int ffs_parse_opts(const char *, fsinfo_t *); +void ffs_makefs(const char *, const char *, fsnode *, fsinfo_t *); + + + +extern u_int debug; +extern struct timespec start_time; + +/* + * If -x is specified, we want to exclude nodes which do not appear + * in the spec file. + */ +#define FSNODE_EXCLUDE_P(opts, fsnode) \ + ((opts)->onlyspec != 0 && ((fsnode)->flags & FSNODE_F_HASSPEC) == 0) + +#define DEBUG_TIME 0x00000001 + /* debug bits 1..3 unused at this time */ +#define DEBUG_WALK_DIR 0x00000010 +#define DEBUG_WALK_DIR_NODE 0x00000020 +#define DEBUG_WALK_DIR_LINKCHECK 0x00000040 +#define DEBUG_DUMP_FSNODES 0x00000080 +#define DEBUG_DUMP_FSNODES_VERBOSE 0x00000100 +#define DEBUG_FS_PARSE_OPTS 0x00000200 +#define DEBUG_FS_MAKEFS 0x00000400 +#define DEBUG_FS_VALIDATE 0x00000800 +#define DEBUG_FS_CREATE_IMAGE 0x00001000 +#define DEBUG_FS_SIZE_DIR 0x00002000 +#define DEBUG_FS_SIZE_DIR_NODE 0x00004000 +#define DEBUG_FS_SIZE_DIR_ADD_DIRENT 0x00008000 +#define DEBUG_FS_POPULATE 0x00010000 +#define DEBUG_FS_POPULATE_DIRBUF 0x00020000 +#define DEBUG_FS_POPULATE_NODE 0x00040000 +#define DEBUG_FS_WRITE_FILE 0x00080000 +#define DEBUG_FS_WRITE_FILE_BLOCK 0x00100000 +#define DEBUG_FS_MAKE_DIRBUF 0x00200000 +#define DEBUG_FS_WRITE_INODE 0x00400000 +#define DEBUG_BUF_BREAD 0x00800000 +#define DEBUG_BUF_BWRITE 0x01000000 +#define DEBUG_BUF_GETBLK 0x02000000 +#define DEBUG_APPLY_SPECFILE 0x04000000 +#define DEBUG_APPLY_SPECENTRY 0x08000000 + + +#define TIMER_START(x) \ + if (debug & DEBUG_TIME) \ + gettimeofday(&(x), NULL) + +#define TIMER_RESULTS(x,d) \ + if (debug & DEBUG_TIME) { \ + struct timeval end, td; \ + gettimeofday(&end, NULL); \ + timersub(&end, &(x), &td); \ + printf("%s took %ld.%06ld seconds\n", \ + (d), (long) td.tv_sec, (long) td.tv_usec); \ + } + + +#ifndef DEFAULT_FSTYPE +#define DEFAULT_FSTYPE "ffs" +#endif + + +/* + * ffs specific settings + * --------------------- + */ + +#define FFS_EI /* for opposite endian support in ffs headers */ + +/* + * Write-arounds/compat shims for endian-agnostic support. + * These belong in the kernel if/when it's possible to mount + * filesystems w/ either byte order. + */ + +/* + * File system internal flags, also in fs_flags. + * (Pick highest number to avoid conflicts with others) + */ +#define FS_SWAPPED 0x80000000 /* file system is endian swapped */ +#define FS_INTERNAL 0x80000000 /* mask for internal flags */ + +#define FS_ISCLEAN 1 + +#define DINODE1_SIZE (sizeof(struct ufs1_dinode)) +#define DINODE2_SIZE (sizeof(struct ufs2_dinode)) + +#define MAXSYMLINKLEN_UFS1 ((NDADDR + NIADDR) * sizeof(ufs1_daddr_t)) +#define MAXSYMLINKLEN_UFS2 ((NDADDR + NIADDR) * sizeof(ufs2_daddr_t)) + +#if (BYTE_ORDER == LITTLE_ENDIAN) +#define DIRSIZ_SWAP(oldfmt, dp, needswap) \ + (((oldfmt) && !(needswap)) ? \ + DIRECTSIZ((dp)->d_type) : DIRECTSIZ((dp)->d_namlen)) +#else +#define DIRSIZ_SWAP(oldfmt, dp, needswap) \ + (((oldfmt) && (needswap)) ? \ + DIRECTSIZ((dp)->d_type) : DIRECTSIZ((dp)->d_namlen)) +#endif + +#define cg_chkmagic_swap(cgp, ns) \ + (ufs_rw32((cgp)->cg_magic, (ns)) == CG_MAGIC) +#define cg_inosused_swap(cgp, ns) \ + ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_iusedoff, (ns)))) +#define cg_blksfree_swap(cgp, ns) \ + ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_freeoff, (ns)))) +#define cg_clustersfree_swap(cgp, ns) \ + ((u_int8_t *)((u_int8_t *)(cgp) + ufs_rw32((cgp)->cg_clusteroff, (ns)))) +#define cg_clustersum_swap(cgp, ns) \ + ((int32_t *)((uintptr_t)(cgp) + ufs_rw32((cgp)->cg_clustersumoff, ns))) + +struct fs; +void ffs_fragacct_swap(struct fs *, int, int32_t [], int, int); + +/* + * Declarations for compat routines. + */ +long long strsuftoll(const char *, const char *, long long, long long); +long long strsuftollx(const char *, const char *, + long long, long long, char *, size_t); + +struct passwd; +int uid_from_user(const char *, uid_t *); +int pwcache_userdb(int (*)(int), void (*)(void), + struct passwd * (*)(const char *), struct passwd * (*)(uid_t)); +struct group; +int gid_from_group(const char *, gid_t *); +int pwcache_groupdb(int (*)(int), void (*)(void), + struct group * (*)(const char *), struct group * (*)(gid_t)); + +int setup_getid(const char *dir); + +#endif /* _MAKEFS_H */ |