summaryrefslogtreecommitdiffstats
path: root/include/uapi/linux/qnx4_fs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/qnx4_fs.h')
-rw-r--r--include/uapi/linux/qnx4_fs.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/include/uapi/linux/qnx4_fs.h b/include/uapi/linux/qnx4_fs.h
new file mode 100644
index 000000000000..8b9aee1a9ce3
--- /dev/null
+++ b/include/uapi/linux/qnx4_fs.h
@@ -0,0 +1,88 @@
+/*
+ * Name : qnx4_fs.h
+ * Author : Richard Frowijn
+ * Function : qnx4 global filesystem definitions
+ * History : 23-03-1998 created
+ */
+#ifndef _LINUX_QNX4_FS_H
+#define _LINUX_QNX4_FS_H
+
+#include <linux/types.h>
+#include <linux/qnxtypes.h>
+#include <linux/magic.h>
+
+#define QNX4_ROOT_INO 1
+
+#define QNX4_MAX_XTNTS_PER_XBLK 60
+/* for di_status */
+#define QNX4_FILE_USED 0x01
+#define QNX4_FILE_MODIFIED 0x02
+#define QNX4_FILE_BUSY 0x04
+#define QNX4_FILE_LINK 0x08
+#define QNX4_FILE_INODE 0x10
+#define QNX4_FILE_FSYSCLEAN 0x20
+
+#define QNX4_I_MAP_SLOTS 8
+#define QNX4_Z_MAP_SLOTS 64
+#define QNX4_VALID_FS 0x0001 /* Clean fs. */
+#define QNX4_ERROR_FS 0x0002 /* fs has errors. */
+#define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */
+#define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */
+#define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */
+#define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */
+#define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */
+#define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */
+
+/* for filenames */
+#define QNX4_SHORT_NAME_MAX 16
+#define QNX4_NAME_MAX 48
+
+/*
+ * This is the original qnx4 inode layout on disk.
+ */
+struct qnx4_inode_entry {
+ char di_fname[QNX4_SHORT_NAME_MAX];
+ qnx4_off_t di_size;
+ qnx4_xtnt_t di_first_xtnt;
+ __le32 di_xblk;
+ __le32 di_ftime;
+ __le32 di_mtime;
+ __le32 di_atime;
+ __le32 di_ctime;
+ qnx4_nxtnt_t di_num_xtnts;
+ qnx4_mode_t di_mode;
+ qnx4_muid_t di_uid;
+ qnx4_mgid_t di_gid;
+ qnx4_nlink_t di_nlink;
+ __u8 di_zero[4];
+ qnx4_ftype_t di_type;
+ __u8 di_status;
+};
+
+struct qnx4_link_info {
+ char dl_fname[QNX4_NAME_MAX];
+ __le32 dl_inode_blk;
+ __u8 dl_inode_ndx;
+ __u8 dl_spare[10];
+ __u8 dl_status;
+};
+
+struct qnx4_xblk {
+ __le32 xblk_next_xblk;
+ __le32 xblk_prev_xblk;
+ __u8 xblk_num_xtnts;
+ __u8 xblk_spare[3];
+ __le32 xblk_num_blocks;
+ qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK];
+ char xblk_signature[8];
+ qnx4_xtnt_t xblk_first_xtnt;
+};
+
+struct qnx4_super_block {
+ struct qnx4_inode_entry RootDir;
+ struct qnx4_inode_entry Inode;
+ struct qnx4_inode_entry Boot;
+ struct qnx4_inode_entry AltBoot;
+};
+
+#endif
OpenPOWER on IntegriCloud