usbloadergx/source/usbloader/partition_usbloader.h

#ifndef _PARTITION_H_
#define _PARTITION_H_

#ifdef __cplusplus
extern "C"
{
#endif

    /* 'partition entry' structure */
    typedef struct
    {
        /* Boot indicator */
        u8 boot;

        /* Starting CHS */
        u8 start[3];

        /* Partition type */
        u8 type;

        /* Ending CHS */
        u8 end[3];

        /* Partition sector */
        u32 sector;

        /* Partition size */
        u32 size;
    } ATTRIBUTE_PACKED partitionEntry;

    /* Constants */
#define MAX_PARTITIONS      4
#define MAX_PARTITIONS_EX   10

#define FS_TYPE_UNK   0
#define FS_TYPE_FAT16 1
#define FS_TYPE_FAT32 2
#define FS_TYPE_NTFS  3
#define FS_TYPE_WBFS  4

    typedef struct
    {
        u8 fs_type;
        u8 part_fs;
        u8 wbfs_i;  // seq wbfs part index
        u8 fat_i;   // seq fat part index
        u8 ntfs_i;  // seq ntfs part index
        u8 index;
    } PartInfo;

    typedef struct
    {
        u8 num;
        u32 sector_size;
        partitionEntry pentry[MAX_PARTITIONS_EX];
        u8 wbfs_n;
        u8 fat_n;
        u8 ntfs_n;
        PartInfo pinfo[MAX_PARTITIONS_EX];
    } PartList;

    /* Prototypes */
    s32 Partition_GetEntries( u32 device, partitionEntry *outbuf, u32 *outval );
    s32 Partition_GetEntriesEx( u32 device, partitionEntry *outbuf, u32 *outval, u8 *num );
    bool Device_ReadSectors( u32 device, u32 sector, u32 count, void *buffer );
    bool Device_WriteSectors( u32 device, u32 sector, u32 count, void *buffer );
    s32 Partition_GetList( u32 device, PartList *plist );
    int Partition_FixEXT( u32 device, u8 part );

    bool  part_is_extended( int type );
    bool  part_is_data( int type );
    char* part_type_data( int type );
    char* part_type_name( int type );
    bool  part_valid_data( partitionEntry *entry );
    int   get_fs_type( void *buf );
    bool  is_type_fat( int type );
    char* get_fs_name( int i );

#ifdef __cplusplus
}
#endif

#endif