[linux.git] / include / linux / qnx6_fs.h

/*
 *  Name                 : qnx6_fs.h
 *  Author               : Kai Bankett
 *  Function             : qnx6 global filesystem definitions
 *  History              : 17-01-2012 created
 */
#ifndef _LINUX_QNX6_FS_H
#define _LINUX_QNX6_FS_H

#include <linux/types.h>
#include <linux/magic.h>

#define QNX6_ROOT_INO 1

/* for di_status */
#define QNX6_FILE_DIRECTORY	0x01
#define QNX6_FILE_DELETED	0x02
#define QNX6_FILE_NORMAL	0x03

#define QNX6_SUPERBLOCK_SIZE	0x200	/* superblock always is 512 bytes */
#define QNX6_SUPERBLOCK_AREA	0x1000	/* area reserved for superblock */
#define	QNX6_BOOTBLOCK_SIZE	0x2000	/* heading bootblock area */
#define QNX6_DIR_ENTRY_SIZE	0x20	/* dir entry size of 32 bytes */
#define QNX6_INODE_SIZE		0x80	/* each inode is 128 bytes */
#define QNX6_INODE_SIZE_BITS	7	/* inode entry size shift */

#define QNX6_NO_DIRECT_POINTERS	16	/* 16 blockptrs in sbl/inode */
#define QNX6_PTR_MAX_LEVELS	5	/* maximum indirect levels */

/* for filenames */
#define QNX6_SHORT_NAME_MAX	27
#define QNX6_LONG_NAME_MAX	510

/* list of mount options */
#define QNX6_MOUNT_MMI_FS	0x010000 /* mount as Audi MMI 3G fs */

/*
 * This is the original qnx6 inode layout on disk.
 * Each inode is 128 byte long.
 */
struct qnx6_inode_entry {
	__fs64		di_size;
	__fs32		di_uid;
	__fs32		di_gid;
	__fs32		di_ftime;
	__fs32		di_mtime;
	__fs32		di_atime;
	__fs32		di_ctime;
	__fs16		di_mode;
	__fs16		di_ext_mode;
	__fs32		di_block_ptr[QNX6_NO_DIRECT_POINTERS];
	__u8		di_filelevels;
	__u8		di_status;
	__u8		di_unknown2[2];
	__fs32		di_zero2[6];
};

/*
 * Each directory entry is maximum 32 bytes long.
 * If more characters or special characters required it is stored
 * in the longfilenames structure.
 */
struct qnx6_dir_entry {
	__fs32		de_inode;
	__u8		de_size;
	char		de_fname[QNX6_SHORT_NAME_MAX];
};

/*
 * Longfilename direntries have a different structure
 */
struct qnx6_long_dir_entry {
	__fs32		de_inode;
	__u8		de_size;
	__u8		de_unknown[3];
	__fs32		de_long_inode;
	__fs32		de_checksum;
};

struct qnx6_long_filename {
	__fs16		lf_size;
	__u8		lf_fname[QNX6_LONG_NAME_MAX];
};

struct qnx6_root_node {
	__fs64		size;
	__fs32		ptr[QNX6_NO_DIRECT_POINTERS];
	__u8		levels;
	__u8		mode;
	__u8		spare[6];
};

struct qnx6_super_block {
	__fs32		sb_magic;
	__fs32		sb_checksum;
	__fs64		sb_serial;
	__fs32		sb_ctime;	/* time the fs was created */
	__fs32		sb_atime;	/* last access time */
	__fs32		sb_flags;
	__fs16		sb_version1;	/* filesystem version information */
	__fs16		sb_version2;	/* filesystem version information */
	__u8		sb_volumeid[16];
	__fs32		sb_blocksize;
	__fs32		sb_num_inodes;
	__fs32		sb_free_inodes;
	__fs32		sb_num_blocks;
	__fs32		sb_free_blocks;
	__fs32		sb_allocgroup;
	struct qnx6_root_node Inode;
	struct qnx6_root_node Bitmap;
	struct qnx6_root_node Longfile;
	struct qnx6_root_node Unknown;
};

/* Audi MMI 3G superblock layout is different to plain qnx6 */
struct qnx6_mmi_super_block {
	__fs32		sb_magic;
	__fs32		sb_checksum;
	__fs64		sb_serial;
	__u8		sb_spare0[12];
	__u8		sb_id[12];
	__fs32		sb_blocksize;
	__fs32		sb_num_inodes;
	__fs32		sb_free_inodes;
	__fs32		sb_num_blocks;
	__fs32		sb_free_blocks;
	__u8		sb_spare1[4];
	struct qnx6_root_node Inode;
	struct qnx6_root_node Bitmap;
	struct qnx6_root_node Longfile;
	struct qnx6_root_node Unknown;
};

#endif
Commit	Line	Data
5d026c72 KB	1	/*
	2	* Name : qnx6_fs.h
	3	* Author : Kai Bankett
	4	* Function : qnx6 global filesystem definitions
	5	* History : 17-01-2012 created
	6	*/
	7	#ifndef _LINUX_QNX6_FS_H
	8	#define _LINUX_QNX6_FS_H
	9
	10	#include <linux/types.h>
	11	#include <linux/magic.h>
	12
	13	#define QNX6_ROOT_INO 1
	14
	15	/* for di_status */
	16	#define QNX6_FILE_DIRECTORY 0x01
	17	#define QNX6_FILE_DELETED 0x02
	18	#define QNX6_FILE_NORMAL 0x03
	19
	20	#define QNX6_SUPERBLOCK_SIZE 0x200 /* superblock always is 512 bytes */
	21	#define QNX6_SUPERBLOCK_AREA 0x1000 /* area reserved for superblock */
	22	#define QNX6_BOOTBLOCK_SIZE 0x2000 /* heading bootblock area */
	23	#define QNX6_DIR_ENTRY_SIZE 0x20 /* dir entry size of 32 bytes */
	24	#define QNX6_INODE_SIZE 0x80 /* each inode is 128 bytes */
	25	#define QNX6_INODE_SIZE_BITS 7 /* inode entry size shift */
	26
	27	#define QNX6_NO_DIRECT_POINTERS 16 /* 16 blockptrs in sbl/inode */
	28	#define QNX6_PTR_MAX_LEVELS 5 /* maximum indirect levels */
	29
	30	/* for filenames */
	31	#define QNX6_SHORT_NAME_MAX 27
	32	#define QNX6_LONG_NAME_MAX 510
	33
	34	/* list of mount options */
	35	#define QNX6_MOUNT_MMI_FS 0x010000 /* mount as Audi MMI 3G fs */
	36
	37	/*
	38	* This is the original qnx6 inode layout on disk.
	39	* Each inode is 128 byte long.
	40	*/
	41	struct qnx6_inode_entry {
	42	__fs64 di_size;
	43	__fs32 di_uid;
	44	__fs32 di_gid;
	45	__fs32 di_ftime;
	46	__fs32 di_mtime;
	47	__fs32 di_atime;
	48	__fs32 di_ctime;
	49	__fs16 di_mode;
	50	__fs16 di_ext_mode;
	51	__fs32 di_block_ptr[QNX6_NO_DIRECT_POINTERS];
	52	__u8 di_filelevels;
	53	__u8 di_status;
	54	__u8 di_unknown2[2];
	55	__fs32 di_zero2[6];
	56	};
	57
	58	/*
	59	* Each directory entry is maximum 32 bytes long.
	60	* If more characters or special characters required it is stored
	61	* in the longfilenames structure.
	62	*/
	63	struct qnx6_dir_entry {
	64	__fs32 de_inode;
65	__u8 de_size;
66	char de_fname[QNX6_SHORT_NAME_MAX];
67	};
68
69	/*
70	* Longfilename direntries have a different structure
71	*/
72	struct qnx6_long_dir_entry {
73	__fs32 de_inode;
74	__u8 de_size;
75	__u8 de_unknown[3];
76	__fs32 de_long_inode;
77	__fs32 de_checksum;
78	};
79
80	struct qnx6_long_filename {
81	__fs16 lf_size;
82	__u8 lf_fname[QNX6_LONG_NAME_MAX];
83	};
84
85	struct qnx6_root_node {
86	__fs64 size;
87	__fs32 ptr[QNX6_NO_DIRECT_POINTERS];
88	__u8 levels;
89	__u8 mode;
90	__u8 spare[6];
91	};
92
93	struct qnx6_super_block {
94	__fs32 sb_magic;
95	__fs32 sb_checksum;
96	__fs64 sb_serial;
97	__fs32 sb_ctime; /* time the fs was created */
98	__fs32 sb_atime; /* last access time */
99	__fs32 sb_flags;
100	__fs16 sb_version1; /* filesystem version information */
101	__fs16 sb_version2; /* filesystem version information */
102	__u8 sb_volumeid[16];
103	__fs32 sb_blocksize;
104	__fs32 sb_num_inodes;
105	__fs32 sb_free_inodes;
106	__fs32 sb_num_blocks;
107	__fs32 sb_free_blocks;
108	__fs32 sb_allocgroup;
109	struct qnx6_root_node Inode;
110	struct qnx6_root_node Bitmap;
111	struct qnx6_root_node Longfile;
112	struct qnx6_root_node Unknown;
113	};
114
115	/* Audi MMI 3G superblock layout is different to plain qnx6 */
116	struct qnx6_mmi_super_block {
117	__fs32 sb_magic;
118	__fs32 sb_checksum;
119	__fs64 sb_serial;
120	__u8 sb_spare0[12];
121	__u8 sb_id[12];
122	__fs32 sb_blocksize;
123	__fs32 sb_num_inodes;
124	__fs32 sb_free_inodes;
125	__fs32 sb_num_blocks;
126	__fs32 sb_free_blocks;
127	__u8 sb_spare1[4];
128	struct qnx6_root_node Inode;
129	struct qnx6_root_node Bitmap;
130	struct qnx6_root_node Longfile;
131	struct qnx6_root_node Unknown;
132	};
133
134	#endif