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sortix--sortix/kernel/include/sortix/initrd.h

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Relicense Sortix to the ISC license. I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2016-03-02 17:38:16 -05:00
/*
Remove compatibility with Sortix 0.9.
2016-04-10 09:19:12 -04:00
* Copyright (c) 2012, 2016 Jonas 'Sortie' Termansen.
Relicense Sortix to the ISC license. I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2016-03-02 17:38:16 -05:00
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/initrd.h
* The Sortix init ramdisk filesystem format.
*/
Initial version of Sortix.
2011-08-05 08:25:00 -04:00
Refactor kernel VFS. Note: This is an incompatible ABI change.
2012-08-07 18:19:44 -04:00
#ifndef INCLUDE_SORTIX_INITRD_H
#define INCLUDE_SORTIX_INITRD_H
Initial version of Sortix.
2011-08-05 08:25:00 -04:00
Fix <sortix/initrd.h> not including <stdint.h>.
2014-02-25 16:10:40 -05:00
#include <stdint.h>
Implemented a new initrd format with better inode support. This enables useful features such as directories, CRC32 checksums, and other useful features. The initrdfs in the kernel is now hooked up against the new API, although the kernel's current limited FS support is a problem for now. To work around that, directories are not supported at runtime, although the internal API understands them wonderfully. This will be fixed when the kernel gets a real VFS.
2012-03-23 14:36:51 -04:00
#define INITRD_ALGO_CRC32 0
Remove compatibility with Sortix 0.9.
2016-04-10 09:19:12 -04:00
#define INITRD_ALGO_NONE 1
Implemented a new initrd format with better inode support. This enables useful features such as directories, CRC32 checksums, and other useful features. The initrdfs in the kernel is now hooked up against the new API, although the kernel's current limited FS support is a problem for now. To work around that, directories are not supported at runtime, although the internal API understands them wonderfully. This will be fixed when the kernel gets a real VFS.
2012-03-23 14:36:51 -04:00
#define INITRD_S_IXOTH 01
#define INITRD_S_IWOTH 02
#define INITRD_S_IROTH 03
#define INITRD_S_IRWXO 07
#define INITRD_S_IXGRP 010
#define INITRD_S_IWGRP 020
#define INITRD_S_IRGRP 040
#define INITRD_S_IRWXG 070
#define INITRD_S_IXUSR 0100
#define INITRD_S_IWUSR 0200
#define INITRD_S_IRUSR 0400
#define INITRD_S_IRWXU 0700
#define INITRD_S_IFMT 0xF000
#define INITRD_S_IFSOCK 0xC000
#define INITRD_S_IFLNK 0xA000
#define INITRD_S_IFREG 0x8000
#define INITRD_S_IFBLK 0x6000
#define INITRD_S_IFDIR 0x4000
#define INITRD_S_IFCHR 0x2000
#define INITRD_S_IFIFO 0x1000
Add S_ISGID and S_ISUID. I originally left them out because Sortix doesn't have setuid and setgid executable support, but this created considerable compatibility issues and it is better to supply them as the mode bits still exist and can be set.
2015-02-17 15:35:25 -05:00
#define INITRD_S_ISUID 0x0800
#define INITRD_S_ISGID 0x0400
Implemented a new initrd format with better inode support. This enables useful features such as directories, CRC32 checksums, and other useful features. The initrdfs in the kernel is now hooked up against the new API, although the kernel's current limited FS support is a problem for now. To work around that, directories are not supported at runtime, although the internal API understands them wonderfully. This will be fixed when the kernel gets a real VFS.
2012-03-23 14:36:51 -04:00
#define INITRD_S_ISVTX 0x0200
#define INITRD_S_ISSOCK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFSOCK)
#define INITRD_S_ISLNK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFLNK)
#define INITRD_S_ISREG(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFREG)
#define INITRD_S_ISBLK(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFBLK)
#define INITRD_S_ISDIR(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFDIR)
#define INITRD_S_ISCHR(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFCHR)
#define INITRD_S_ISFIFO(mode) ((mode & INITRD_S_IFMT) == INITRD_S_IFIFO)
typedef struct initrd_superblock
{
char magic[16]; // "sortix-initrd-2"
uint32_t fssize;
uint32_t revision;
uint32_t inodesize;
uint32_t inodecount;
uint32_t inodeoffset;
uint32_t root;
uint32_t sumalgorithm;
uint32_t sumsize;
} initrd_superblock_t;
typedef struct initrd_inode
{
uint32_t mode;
uint32_t uid;
uint32_t gid;
uint32_t nlink;
uint64_t ctime;
uint64_t mtime;
uint32_t dataoffset;
uint32_t size;
} initrd_inode_t;
typedef struct initrd_dirent
Initial version of Sortix.
2011-08-05 08:25:00 -04:00
{
Implemented a new initrd format with better inode support. This enables useful features such as directories, CRC32 checksums, and other useful features. The initrdfs in the kernel is now hooked up against the new API, although the kernel's current limited FS support is a problem for now. To work around that, directories are not supported at runtime, although the internal API understands them wonderfully. This will be fixed when the kernel gets a real VFS.
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uint32_t inode;
uint16_t reclen;
uint16_t namelen;
char name[0];
} initrd_dirent_t;
Initial version of Sortix.
2011-08-05 08:25:00 -04:00
#endif
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