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#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 */
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