libblkid: move sun PT definition to include/

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/include/pt-sun.h b/include/pt-sun.h
new file mode 100644
index 000000000..5528dd3ee
--- /dev/null
+++ b/include/pt-sun.h
@@ -0,0 +1,72 @@
+#ifndef UTIL_LINUX_PT_SUN_H
+#define UTIL_LINUX_PT_SUN_H
+
+#include <stdint.h>
+
+/* Supported VTOC setting */
+#define SUN_VTOC_SANITY		0x600DDEEE	/* magic number */
+#define SUN_VTOC_VERSION	1
+
+#define SUN_MAXPARTITIONS	8
+
+/* Partition IDs */
+#define SUN_TAG_WHOLEDISK          0x05
+
+struct sun_disklabel {
+	unsigned char info[128];   /* Informative text string */
+
+	struct sun_vtoc {
+		uint32_t version;     /* version */
+		char	 volume[8];   /* volume name */
+		uint16_t nparts;      /* num of partitions */
+
+		struct sun_info {     /* partition information */
+			uint16_t id;  /* tag */
+			uint16_t flags;
+		} __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 rspeed;               /* disk rotational speed */
+	uint16_t pcylcount;            /* physical cylinder count */
+	uint16_t sparecyl;             /* extra sects per cylinder */
+	uint16_t obs1;
+	uint16_t obs2;
+	uint16_t ilfact;               /* interleave factor */
+	uint16_t ncyl;                 /* data cylinder count */
+	uint16_t nacyl;                /* alt. cylinder count */
+	uint16_t ntrks;                /* 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));
+
+
+static inline uint16_t sun_pt_checksum(struct sun_disklabel *label)
+{
+	uint16_t *ptr = ((uint16_t *) (label + 1)) - 1;
+	uint16_t sum;
+
+	for (sum = 0; ptr >= ((uint16_t *) label);)
+		sum ^= *ptr--;
+
+	return sum;
+}
+
+#endif /* UTIL_LINUX_PT_SUN_H */