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