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authorKarel Zak2011-07-21 11:26:42 +0200
committerKarel Zak2011-07-21 11:26:42 +0200
commite844147d17337ffa492ad8ca4887e1e0112ec409 (patch)
tree6b5f4ec4e5ccbc69e830dde7356dda976e243b7a /include/minix.h
parentlibmount: fix mtab update for "none" source (diff)
parentlibblkid: move MINIX_MAXPARTITIONS to minix.h (diff)
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Merge branch 'minix' of https://github.com/kerolasa/lelux-utiliteetit
* 'minix' of https://github.com/kerolasa/lelux-utiliteetit: libblkid: move MINIX_MAXPARTITIONS to minix.h minix: move globals and inline functions to minix_programs.h libblkid: use MINIX_BLOCK_SIZE from minix.h libblkid: use superblock structure from minix.h include: move minix.h to include directory include: remove kernel headers from minix.h include: minix.h: use data types from stdint.h Conflicts: disk-utils/Makefile.am Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include/minix.h')
-rw-r--r--include/minix.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/include/minix.h b/include/minix.h
new file mode 100644
index 000000000..920b38e53
--- /dev/null
+++ b/include/minix.h
@@ -0,0 +1,97 @@
+#ifndef UTIL_LINUX_MINIX_H
+#define UTIL_LINUX_MINIX_H
+
+#include <stdint.h>
+
+struct minix_inode {
+ uint16_t i_mode;
+ uint16_t i_uid;
+ uint32_t i_size;
+ uint32_t i_time;
+ uint8_t i_gid;
+ uint8_t i_nlinks;
+ uint16_t i_zone[9];
+};
+
+struct minix2_inode {
+ uint16_t i_mode;
+ uint16_t i_nlinks;
+ uint16_t i_uid;
+ uint16_t i_gid;
+ uint32_t i_size;
+ uint32_t i_atime;
+ uint32_t i_mtime;
+ uint32_t i_ctime;
+ uint32_t i_zone[10];
+};
+
+struct minix_super_block {
+ uint16_t s_ninodes;
+ uint16_t s_nzones;
+ uint16_t s_imap_blocks;
+ uint16_t s_zmap_blocks;
+ uint16_t s_firstdatazone;
+ uint16_t s_log_zone_size;
+ uint32_t s_max_size;
+ uint16_t s_magic;
+ uint16_t s_state;
+ uint32_t s_zones;
+};
+
+/* V3 minix super-block data on disk */
+struct minix3_super_block {
+ uint32_t s_ninodes;
+ uint16_t s_pad0;
+ uint16_t s_imap_blocks;
+ uint16_t s_zmap_blocks;
+ uint16_t s_firstdatazone;
+ uint16_t s_log_zone_size;
+ uint16_t s_pad1;
+ uint32_t s_max_size;
+ uint32_t s_zones;
+ uint16_t s_magic;
+ uint16_t s_pad2;
+ uint16_t s_blocksize;
+ uint8_t s_disk_version;
+};
+
+/*
+ * Minix subpartitions are always within primary dos partition.
+ */
+#define MINIX_MAXPARTITIONS 4
+
+#define MINIX_BLOCK_SIZE_BITS 10
+#define MINIX_BLOCK_SIZE (1<<MINIX_BLOCK_SIZE_BITS)
+
+#define NAME_MAX 255 /* # chars in a file name */
+#define MAX_INODES 65535
+
+#define MINIX_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix_inode)))
+#define MINIX2_INODES_PER_BLOCK ((MINIX_BLOCK_SIZE)/(sizeof (struct minix2_inode)))
+
+#define MINIX_VALID_FS 0x0001 /* Clean fs. */
+#define MINIX_ERROR_FS 0x0002 /* fs has errors. */
+
+#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
+#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
+#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
+#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
+#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */
+
+#define Inode (((struct minix_inode *) inode_buffer)-1)
+#define Inode2 (((struct minix2_inode *) inode_buffer)-1)
+
+#define INODE_SIZE (sizeof(struct minix_inode))
+#define INODE2_SIZE (sizeof(struct minix2_inode))
+
+#define BITS_PER_BLOCK (MINIX_BLOCK_SIZE<<3)
+
+#define UPPER(size,n) ((size+((n)-1))/(n))
+
+/*
+ * wrappers to different superblock attributes
+ */
+#define Super (*(struct minix_super_block *)super_block_buffer)
+#define Super3 (*(struct minix3_super_block *)super_block_buffer)
+
+#endif /* UTIL_LINUX_MINIX_H */