Ventoy/VtoyTool/vtoytool.h

124 lines
3.5 KiB
C

/******************************************************************************
* vtoytool.h
*
* Copyright (c) 2022, longpanda <admin@ventoy.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VTOYTOOL_H__
#define __VTOYTOOL_H__
#define IS_DIGIT(x) ((x) >= '0' && (x) <= '9')
#ifndef USE_DIET_C
#ifndef __mips__
typedef unsigned long long uint64_t;
#endif
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;
#endif
#define VENTOY_GUID { 0x77772020, 0x2e77, 0x6576, { 0x6e, 0x74, 0x6f, 0x79, 0x2e, 0x6e, 0x65, 0x74 }}
typedef enum ventoy_fs_type
{
ventoy_fs_exfat = 0, /* 0: exfat */
ventoy_fs_ntfs, /* 1: NTFS */
ventoy_fs_ext, /* 2: ext2/ext3/ext4 */
ventoy_fs_xfs, /* 3: XFS */
ventoy_fs_udf, /* 4: UDF */
ventoy_fs_fat, /* 5: FAT */
ventoy_fs_max
}ventoy_fs_type;
#pragma pack(1)
typedef struct ventoy_guid
{
uint32_t data1;
uint16_t data2;
uint16_t data3;
uint8_t data4[8];
}ventoy_guid;
typedef struct ventoy_image_disk_region
{
uint32_t image_sector_count; /* image sectors contained in this region */
uint32_t image_start_sector; /* image sector start */
uint64_t disk_start_sector; /* disk sector start */
}ventoy_image_disk_region;
typedef struct ventoy_image_location
{
ventoy_guid guid;
/* image sector size, currently this value is always 2048 */
uint32_t image_sector_size;
/* disk sector size, normally the value is 512 */
uint32_t disk_sector_size;
uint32_t region_count;
/*
* disk region data
* If the image file has more than one fragments in disk,
* there will be more than one region data here.
* You can calculate the region count by
*/
ventoy_image_disk_region regions[1];
/* ventoy_image_disk_region regions[2~region_count-1] */
}ventoy_image_location;
typedef struct ventoy_os_param
{
ventoy_guid guid; // VENTOY_GUID
uint8_t chksum; // checksum
uint8_t vtoy_disk_guid[16];
uint64_t vtoy_disk_size; // disk size in bytes
uint16_t vtoy_disk_part_id; // begin with 1
uint16_t vtoy_disk_part_type; // 0:exfat 1:ntfs other: reserved
char vtoy_img_path[384]; // It seems to be enough, utf-8 format
uint64_t vtoy_img_size; // image file size in bytes
/*
* Ventoy will write a copy of ventoy_image_location data into runtime memory
* this is the physically address and length of that memory.
* Address 0 means no such data exist.
* Address will be aligned by 4KB.
*
*/
uint64_t vtoy_img_location_addr;
uint32_t vtoy_img_location_len;
uint8_t vtoy_reserved[32]; // Internal use by ventoy
uint8_t vtoy_disk_signature[4];
uint8_t reserved[27];
}ventoy_os_param;
#pragma pack()
int vtoy_find_disk_by_guid(ventoy_os_param *param, char *diskname);
#endif