cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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qnx6_fs.h (3349B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *  Name                 : qnx6_fs.h
      4 *  Author               : Kai Bankett
      5 *  Function             : qnx6 global filesystem definitions
      6 *  History              : 17-01-2012 created
      7 */
      8#ifndef _LINUX_QNX6_FS_H
      9#define _LINUX_QNX6_FS_H
     10
     11#include <linux/types.h>
     12#include <linux/magic.h>
     13
     14#define QNX6_ROOT_INO 1
     15
     16/* for di_status */
     17#define QNX6_FILE_DIRECTORY	0x01
     18#define QNX6_FILE_DELETED	0x02
     19#define QNX6_FILE_NORMAL	0x03
     20
     21#define QNX6_SUPERBLOCK_SIZE	0x200	/* superblock always is 512 bytes */
     22#define QNX6_SUPERBLOCK_AREA	0x1000	/* area reserved for superblock */
     23#define	QNX6_BOOTBLOCK_SIZE	0x2000	/* heading bootblock area */
     24#define QNX6_DIR_ENTRY_SIZE	0x20	/* dir entry size of 32 bytes */
     25#define QNX6_INODE_SIZE		0x80	/* each inode is 128 bytes */
     26#define QNX6_INODE_SIZE_BITS	7	/* inode entry size shift */
     27
     28#define QNX6_NO_DIRECT_POINTERS	16	/* 16 blockptrs in sbl/inode */
     29#define QNX6_PTR_MAX_LEVELS	5	/* maximum indirect levels */
     30
     31/* for filenames */
     32#define QNX6_SHORT_NAME_MAX	27
     33#define QNX6_LONG_NAME_MAX	510
     34
     35/* list of mount options */
     36#define QNX6_MOUNT_MMI_FS	0x010000 /* mount as Audi MMI 3G fs */
     37
     38/*
     39 * This is the original qnx6 inode layout on disk.
     40 * Each inode is 128 byte long.
     41 */
     42struct qnx6_inode_entry {
     43	__fs64		di_size;
     44	__fs32		di_uid;
     45	__fs32		di_gid;
     46	__fs32		di_ftime;
     47	__fs32		di_mtime;
     48	__fs32		di_atime;
     49	__fs32		di_ctime;
     50	__fs16		di_mode;
     51	__fs16		di_ext_mode;
     52	__fs32		di_block_ptr[QNX6_NO_DIRECT_POINTERS];
     53	__u8		di_filelevels;
     54	__u8		di_status;
     55	__u8		di_unknown2[2];
     56	__fs32		di_zero2[6];
     57};
     58
     59/*
     60 * Each directory entry is maximum 32 bytes long.
     61 * If more characters or special characters required it is stored
     62 * in the longfilenames structure.
     63 */
     64struct qnx6_dir_entry {
     65	__fs32		de_inode;
     66	__u8		de_size;
     67	char		de_fname[QNX6_SHORT_NAME_MAX];
     68};
     69
     70/*
     71 * Longfilename direntries have a different structure
     72 */
     73struct qnx6_long_dir_entry {
     74	__fs32		de_inode;
     75	__u8		de_size;
     76	__u8		de_unknown[3];
     77	__fs32		de_long_inode;
     78	__fs32		de_checksum;
     79};
     80
     81struct qnx6_long_filename {
     82	__fs16		lf_size;
     83	__u8		lf_fname[QNX6_LONG_NAME_MAX];
     84};
     85
     86struct qnx6_root_node {
     87	__fs64		size;
     88	__fs32		ptr[QNX6_NO_DIRECT_POINTERS];
     89	__u8		levels;
     90	__u8		mode;
     91	__u8		spare[6];
     92};
     93
     94struct qnx6_super_block {
     95	__fs32		sb_magic;
     96	__fs32		sb_checksum;
     97	__fs64		sb_serial;
     98	__fs32		sb_ctime;	/* time the fs was created */
     99	__fs32		sb_atime;	/* last access time */
    100	__fs32		sb_flags;
    101	__fs16		sb_version1;	/* filesystem version information */
    102	__fs16		sb_version2;	/* filesystem version information */
    103	__u8		sb_volumeid[16];
    104	__fs32		sb_blocksize;
    105	__fs32		sb_num_inodes;
    106	__fs32		sb_free_inodes;
    107	__fs32		sb_num_blocks;
    108	__fs32		sb_free_blocks;
    109	__fs32		sb_allocgroup;
    110	struct qnx6_root_node Inode;
    111	struct qnx6_root_node Bitmap;
    112	struct qnx6_root_node Longfile;
    113	struct qnx6_root_node Unknown;
    114};
    115
    116/* Audi MMI 3G superblock layout is different to plain qnx6 */
    117struct qnx6_mmi_super_block {
    118	__fs32		sb_magic;
    119	__fs32		sb_checksum;
    120	__fs64		sb_serial;
    121	__u8		sb_spare0[12];
    122	__u8		sb_id[12];
    123	__fs32		sb_blocksize;
    124	__fs32		sb_num_inodes;
    125	__fs32		sb_free_inodes;
    126	__fs32		sb_num_blocks;
    127	__fs32		sb_free_blocks;
    128	__u8		sb_spare1[4];
    129	struct qnx6_root_node Inode;
    130	struct qnx6_root_node Bitmap;
    131	struct qnx6_root_node Longfile;
    132	struct qnx6_root_node Unknown;
    133};
    134
    135#endif