93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* Copyright (c) 2012, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* sortix/initrd.h
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* The Sortix init ramdisk filesystem format.
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*/
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#ifndef _INCLUDE_SORTIX_INITRD_H
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#define _INCLUDE_SORTIX_INITRD_H
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#include <stdint.h>
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#define INITRD_ALGO_CRC32 0
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#define INITRD_ALGO_NONE 1
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#define INITRD_S_IXOTH 01
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#define INITRD_S_IWOTH 02
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#define INITRD_S_IROTH 03
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#define INITRD_S_IRWXO 07
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#define INITRD_S_IXGRP 010
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#define INITRD_S_IWGRP 020
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#define INITRD_S_IRGRP 040
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#define INITRD_S_IRWXG 070
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#define INITRD_S_IXUSR 0100
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#define INITRD_S_IWUSR 0200
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#define INITRD_S_IRUSR 0400
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#define INITRD_S_IRWXU 0700
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#define INITRD_S_IFMT 0xF000
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#define INITRD_S_IFSOCK 0xC000
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#define INITRD_S_IFLNK 0xA000
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#define INITRD_S_IFREG 0x8000
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#define INITRD_S_IFBLK 0x6000
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#define INITRD_S_IFDIR 0x4000
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#define INITRD_S_IFCHR 0x2000
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#define INITRD_S_IFIFO 0x1000
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#define INITRD_S_ISUID 0x0800
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#define INITRD_S_ISGID 0x0400
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#define INITRD_S_ISVTX 0x0200
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#define INITRD_S_ISSOCK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFSOCK)
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#define INITRD_S_ISLNK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFLNK)
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#define INITRD_S_ISREG(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFREG)
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#define INITRD_S_ISBLK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFBLK)
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#define INITRD_S_ISDIR(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFDIR)
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#define INITRD_S_ISCHR(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFCHR)
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#define INITRD_S_ISFIFO(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFIFO)
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typedef struct initrd_superblock
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{
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char magic[16]; /* "sortix-initrd-2" */
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uint32_t fssize;
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uint32_t revision;
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uint32_t inodesize;
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uint32_t inodecount;
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uint32_t inodeoffset;
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uint32_t root;
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uint32_t sumalgorithm;
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uint32_t sumsize;
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} initrd_superblock_t;
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typedef struct initrd_inode
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{
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uint32_t mode;
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uint32_t uid;
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uint32_t gid;
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uint32_t nlink;
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uint64_t ctime;
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uint64_t mtime;
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uint32_t dataoffset;
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uint32_t size;
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} initrd_inode_t;
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typedef struct initrd_dirent
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{
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uint32_t inode;
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uint16_t reclen;
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uint16_t namelen;
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char name[0];
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} initrd_dirent_t;
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#endif
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