_gpt.h

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#ifndef __GPT_H__
#define __GPT_H__
 
#include <stdint.h>
#include <aurora.h>
#include <Fs/vdisk.h>
#include <Fs/_FsGUIDs.h>
 
#define BE_PREPROCESSOR16(x) \
    ((x >> 8) | ((x & 0xFF) << 8))
 
#define CREATE_GUID(a, b, c, d, e0, e1, e2, e3, e4, e5) \
{a, b, c, { { BE_PREPROCESSOR16(d), { e0, e1, e2, e3, e4, e5 } } }}
 
 
#pragma pack(push,1)
typedef struct _GPT_HEADER_ {
    char sig[8];
    uint32_t rev;
    uint32_t hdr_sz;
    uint32_t crc32;
    uint32_t resv;
    uint64_t curr_lba;
    uint64_t backup_lba;
    uint64_t first_useable_lba;
    uint64_t last_useable_lba;
    uint64_t disk_guid[2];
    uint64_t part_table_lba;
    uint32_t num_part_entries;
    uint32_t size_of_part;
    uint32_t crc32_of_part_entries;
}GPTHeader;
#pragma pack(pop)
 
#pragma pack(push,1)
typedef struct _GPT_Partition_ {
    GUID part_guid;
    GUID part_unique_guid;
    uint64_t first_lba;
    uint64_t last_lba;
    uint64_t attributes;
    char     part_name[72];
}GPTPartition;
#pragma pack(pop)
 
/* AuGUIDVerify -- compares two guid and return the result
* @param g1 -- GUID one
* @param g2 -- GUID two
*/
AU_EXTERN AU_EXPORT bool AuGUIDVerify(GUID g1, GUID g2);
/*
* AuGPTInitialise_FileSystem -- initialises specific file system
* by looking partition GUID
* @param vdisk -- Virtual disk partition
*/
extern void AuGPTInitialise_FileSystem(AuVDisk *vdisk);
#endif