From 378c18e5f024ac5a8aef4cb40d7c9aa9633d144c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:30:35 +0200 Subject: Adding upstream version 2.38.1. Signed-off-by: Daniel Baumann --- include/pt-sun.h | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 include/pt-sun.h (limited to 'include/pt-sun.h') diff --git a/include/pt-sun.h b/include/pt-sun.h new file mode 100644 index 0000000..8bb5d95 --- /dev/null +++ b/include/pt-sun.h @@ -0,0 +1,90 @@ +#ifndef UTIL_LINUX_PT_SUN_H +#define UTIL_LINUX_PT_SUN_H + +#include + +#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 */ -- cgit v1.2.3