| bigbiff | 7b4c7a6 | 2015-01-01 19:44:14 -0500 | [diff] [blame] | 1 | #ifndef UTIL_LINUX_PT_SUN_H |
| 2 | #define UTIL_LINUX_PT_SUN_H |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | |
| 6 | #define SUN_LABEL_MAGIC 0xDABE |
| 7 | |
| 8 | /* Supported VTOC setting */ |
| 9 | #define SUN_VTOC_SANITY 0x600DDEEE /* magic number */ |
| 10 | #define SUN_VTOC_VERSION 1 |
| 11 | #define SUN_MAXPARTITIONS 8 |
| 12 | |
| 13 | struct sun_disklabel { |
| 14 | unsigned char label_id[128]; /* Informative text string */ |
| 15 | |
| 16 | struct sun_vtoc { |
| 17 | uint32_t version; /* version */ |
| 18 | char volume_id[8];/* volume name */ |
| 19 | uint16_t nparts; /* num of partitions */ |
| 20 | |
| 21 | struct sun_info { /* partition information */ |
| 22 | uint16_t id; /* SUN_TAG_* */ |
| 23 | uint16_t flags; /* SUN_FLAG_* */ |
| 24 | } __attribute__ ((packed)) infos[8]; |
| 25 | |
| 26 | uint16_t padding; /* padding */ |
| 27 | uint32_t bootinfo[3]; /* info needed by mboot */ |
| 28 | uint32_t sanity; /* magic number */ |
| 29 | uint32_t reserved[10]; /* padding */ |
| 30 | uint32_t timestamp[8]; /* partition timestamp */ |
| 31 | } __attribute__ ((packed)) vtoc; |
| 32 | |
| 33 | uint32_t write_reinstruct; /* sectors to skip, writes */ |
| 34 | uint32_t read_reinstruct; /* sectors to skip, reads */ |
| 35 | unsigned char spare[148]; /* padding */ |
| 36 | uint16_t rpm; /* disk rotational speed */ |
| 37 | uint16_t pcyl; /* physical cylinder count */ |
| 38 | uint16_t apc; /* extra sects per cylinder */ |
| 39 | uint16_t obs1; |
| 40 | uint16_t obs2; |
| 41 | uint16_t intrlv; /* interleave factor */ |
| 42 | uint16_t ncyl; /* data cylinder count */ |
| 43 | uint16_t acyl; /* alt. cylinder count */ |
| 44 | uint16_t nhead; /* tracks per cylinder <---- */ |
| 45 | uint16_t nsect; /* sectors per track <---- */ |
| 46 | uint16_t obs3; |
| 47 | uint16_t obs4; |
| 48 | |
| 49 | struct sun_partition { /* partitions */ |
| 50 | uint32_t start_cylinder; |
| 51 | uint32_t num_sectors; |
| 52 | } __attribute__ ((packed)) partitions[8]; |
| 53 | |
| 54 | uint16_t magic; /* magic number */ |
| 55 | uint16_t csum; /* label xor'd checksum */ |
| 56 | } __attribute__ ((packed)); |
| 57 | |
| 58 | |
| 59 | #define SUN_TAG_UNASSIGNED 0x00 /* Unassigned partition */ |
| 60 | #define SUN_TAG_BOOT 0x01 /* Boot partition */ |
| 61 | #define SUN_TAG_ROOT 0x02 /* Root filesystem */ |
| 62 | #define SUN_TAG_SWAP 0x03 /* Swap partition */ |
| 63 | #define SUN_TAG_USR 0x04 /* /usr filesystem */ |
| 64 | #define SUN_TAG_WHOLEDISK 0x05 /* Full-disk slice */ |
| 65 | #define SUN_TAG_STAND 0x06 /* Stand partition */ |
| 66 | #define SUN_TAG_VAR 0x07 /* /var filesystem */ |
| 67 | #define SUN_TAG_HOME 0x08 /* /home filesystem */ |
| 68 | #define SUN_TAG_ALTSCTR 0x09 /* Alt sector partition */ |
| 69 | #define SUN_TAG_CACHE 0x0a /* Cachefs partition */ |
| 70 | #define SUN_TAG_RESERVED 0x0b /* SMI reserved data */ |
| 71 | #define SUN_TAG_LINUX_SWAP 0x82 /* Linux SWAP */ |
| 72 | #define SUN_TAG_LINUX_NATIVE 0x83 /* Linux filesystem */ |
| 73 | #define SUN_TAG_LINUX_LVM 0x8e /* Linux LVM */ |
| 74 | #define SUN_TAG_LINUX_RAID 0xfd /* LInux RAID */ |
| 75 | |
| 76 | #define SUN_FLAG_UNMNT 0x01 /* Unmountable partition*/ |
| 77 | #define SUN_FLAG_RONLY 0x10 /* Read only */ |
| 78 | |
| 79 | static inline uint16_t sun_pt_checksum(struct sun_disklabel *label) |
| 80 | { |
| 81 | uint16_t *ptr = ((uint16_t *) (label + 1)) - 1; |
| 82 | uint16_t sum; |
| 83 | |
| 84 | for (sum = 0; ptr >= ((uint16_t *) label);) |
| 85 | sum ^= *ptr--; |
| 86 | |
| 87 | return sum; |
| 88 | } |
| 89 | |
| 90 | #endif /* UTIL_LINUX_PT_SUN_H */ |