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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/pt-sun.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/pt-sun.h')
-rw-r--r--include/pt-sun.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/include/pt-sun.h b/include/pt-sun.h
new file mode 100644
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--- /dev/null
+++ b/include/pt-sun.h
@@ -0,0 +1,94 @@
+/*
+ * No copyright is claimed. This code is in the public domain; do with
+ * it what you wish.
+ */
+#ifndef UTIL_LINUX_PT_SUN_H
+#define UTIL_LINUX_PT_SUN_H
+
+#include <stdint.h>
+
+#define SUN_LABEL_MAGIC 0xDABE
+
+/* Supported VTOC setting */
+#define SUN_VTOC_SANITY 0x600DDEEE /* magic number */
+#define SUN_VTOC_VERSION 1
+#define SUN_MAXPARTITIONS 8
+
+struct sun_disklabel {
+ unsigned char label_id[128]; /* Informative text string */
+
+ struct sun_vtoc {
+ uint32_t version; /* version */
+ char volume_id[8];/* volume name */
+ uint16_t nparts; /* num of partitions */
+
+ struct sun_info { /* partition information */
+ uint16_t id; /* SUN_TAG_* */
+ uint16_t flags; /* SUN_FLAG_* */
+ } __attribute__ ((packed)) infos[8];
+
+ uint16_t padding; /* padding */
+ uint32_t bootinfo[3]; /* info needed by mboot */
+ uint32_t sanity; /* magic number */
+ uint32_t reserved[10]; /* padding */
+ uint32_t timestamp[8]; /* partition timestamp */
+ } __attribute__ ((packed)) vtoc;
+
+ uint32_t write_reinstruct; /* sectors to skip, writes */
+ uint32_t read_reinstruct; /* sectors to skip, reads */
+ unsigned char spare[148]; /* padding */
+ uint16_t rpm; /* disk rotational speed */
+ uint16_t pcyl; /* physical cylinder count */
+ uint16_t apc; /* extra sects per cylinder */
+ uint16_t obs1;
+ uint16_t obs2;
+ uint16_t intrlv; /* interleave factor */
+ uint16_t ncyl; /* data cylinder count */
+ uint16_t acyl; /* alt. cylinder count */
+ uint16_t nhead; /* tracks per cylinder <---- */
+ uint16_t nsect; /* sectors per track <---- */
+ uint16_t obs3;
+ uint16_t obs4;
+
+ struct sun_partition { /* partitions */
+ uint32_t start_cylinder;
+ uint32_t num_sectors;
+ } __attribute__ ((packed)) partitions[8];
+
+ uint16_t magic; /* magic number */
+ uint16_t csum; /* label xor'd checksum */
+} __attribute__ ((packed));
+
+
+#define SUN_TAG_UNASSIGNED 0x00 /* Unassigned partition */
+#define SUN_TAG_BOOT 0x01 /* Boot partition */
+#define SUN_TAG_ROOT 0x02 /* Root filesystem */
+#define SUN_TAG_SWAP 0x03 /* Swap partition */
+#define SUN_TAG_USR 0x04 /* /usr filesystem */
+#define SUN_TAG_WHOLEDISK 0x05 /* Full-disk slice */
+#define SUN_TAG_STAND 0x06 /* Stand partition */
+#define SUN_TAG_VAR 0x07 /* /var filesystem */
+#define SUN_TAG_HOME 0x08 /* /home filesystem */
+#define SUN_TAG_ALTSCTR 0x09 /* Alt sector partition */
+#define SUN_TAG_CACHE 0x0a /* Cachefs partition */
+#define SUN_TAG_RESERVED 0x0b /* SMI reserved data */
+#define SUN_TAG_LINUX_SWAP 0x82 /* Linux SWAP */
+#define SUN_TAG_LINUX_NATIVE 0x83 /* Linux filesystem */
+#define SUN_TAG_LINUX_LVM 0x8e /* Linux LVM */
+#define SUN_TAG_LINUX_RAID 0xfd /* LInux RAID */
+
+#define SUN_FLAG_UNMNT 0x01 /* Unmountable partition*/
+#define SUN_FLAG_RONLY 0x10 /* Read only */
+
+static inline uint16_t sun_pt_checksum(const struct sun_disklabel *label)
+{
+ const uint16_t *ptr = ((const uint16_t *) (label + 1)) - 1;
+ uint16_t sum;
+
+ for (sum = 0; ptr >= ((const uint16_t *) label);)
+ sum ^= *ptr--;
+
+ return sum;
+}
+
+#endif /* UTIL_LINUX_PT_SUN_H */