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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/qnx6_fs.h
Initial import
Diffstat (limited to 'include/linux/qnx6_fs.h')
-rw-r--r--include/linux/qnx6_fs.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/include/linux/qnx6_fs.h b/include/linux/qnx6_fs.h
new file mode 100644
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+++ b/include/linux/qnx6_fs.h
@@ -0,0 +1,134 @@
+/*
+ * 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