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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:10:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:10:49 +0000
commitcfe5e3905201349e9cf3f95d52ff4bd100bde37d (patch)
treed0baf160cbee3195249d095f85e52d20c21acf02 /include/minix.h
parentInitial commit. (diff)
downloadutil-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.tar.xz
util-linux-cfe5e3905201349e9cf3f95d52ff4bd100bde37d.zip
Adding upstream version 2.39.3.upstream/2.39.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/minix.h')
-rw-r--r--include/minix.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/minix.h b/include/minix.h
new file mode 100644
index 0000000..571d06e
--- /dev/null
+++ b/include/minix.h
@@ -0,0 +1,89 @@
+/*
+ * No copyright is claimed. This code is in the public domain; do with
+ * it what you wish.
+ */
+#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 MINIX_NAME_MAX 255 /* # chars in a file name */
+#define MINIX_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)))
+
+/* minix_super_block.s_state */
+#define MINIX_VALID_FS 0x0001 /* Clean fs. */
+#define MINIX_ERROR_FS 0x0002 /* fs has errors. */
+
+
+#define MINIX_SUPER_MAGIC 0x137F /* minix V1 fs, 14 char names */
+#define MINIX_SUPER_MAGIC2 0x138F /* minix V1 fs, 30 char names */
+
+#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs, 14 char names */
+#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
+
+#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */
+
+#endif /* UTIL_LINUX_MINIX_H */