/****************************************************************************** * ventoy.h * * Copyright (c) 2020, longpanda * * 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 . * */ #ifndef __VENTOY_H__ #define __VENTOY_H__ #define COMPILE_ASSERT(expr) extern char __compile_assert[(expr) ? 1 : -1] #define VENTOY_COMPATIBLE_STR "VENTOY COMPATIBLE" #define VENTOY_COMPATIBLE_STR_LEN 17 #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; typedef enum ventoy_chain_type { ventoy_chain_linux = 0, /* 0: linux */ ventoy_chain_windows, /* 1: windows */ ventoy_chain_wim, /* 2: wim */ ventoy_chain_max }ventoy_chain_type; #pragma pack(1) typedef struct ventoy_guid { grub_uint32_t data1; grub_uint16_t data2; grub_uint16_t data3; grub_uint8_t data4[8]; }ventoy_guid; typedef struct ventoy_image_disk_region { grub_uint32_t image_sector_count; /* image sectors contained in this region (in 2048) */ grub_uint32_t image_start_sector; /* image sector start (in 2048) */ grub_uint64_t disk_start_sector; /* disk sector start (in 512) */ }ventoy_image_disk_region; typedef struct ventoy_image_location { ventoy_guid guid; /* image sector size, 2048/512 */ grub_uint32_t image_sector_size; /* disk sector size, normally the value is 512 */ grub_uint32_t disk_sector_size; grub_uint32_t region_count; /* * disk region data (region_count) * If the image file has more than one fragments in disk, * there will be more than one region data here. * */ 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 grub_uint8_t chksum; // checksum grub_uint8_t vtoy_disk_guid[16]; grub_uint64_t vtoy_disk_size; // disk size in bytes grub_uint16_t vtoy_disk_part_id; // begin with 1 grub_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 grub_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. * */ grub_uint64_t vtoy_img_location_addr; grub_uint32_t vtoy_img_location_len; /* * These 32 bytes are reserved by ventoy. * * vtoy_reserved[0]: vtoy_break_level * vtoy_reserved[1]: vtoy_debug_level * vtoy_reserved[2]: vtoy_chain_type 0:Linux 1:Windows 2:wimfile * vtoy_reserved[3]: vtoy_iso_format 0:iso9660 1:udf * vtoy_reserved[4]: vtoy_windows_cd_prompt * */ grub_uint8_t vtoy_reserved[32]; // Internal use by ventoy grub_uint8_t vtoy_disk_signature[4]; grub_uint8_t reserved[27]; }ventoy_os_param; typedef struct ventoy_windows_data { char auto_install_script[384]; char injection_archive[384]; grub_uint8_t reserved[256]; }ventoy_windows_data; #pragma pack() // compile assert check : sizeof(ventoy_os_param) must be 512 COMPILE_ASSERT(sizeof(ventoy_os_param) == 512); #pragma pack(4) typedef struct ventoy_chain_head { ventoy_os_param os_param; grub_uint32_t disk_drive; grub_uint32_t drive_map; grub_uint32_t disk_sector_size; grub_uint64_t real_img_size_in_bytes; grub_uint64_t virt_img_size_in_bytes; grub_uint32_t boot_catalog; grub_uint8_t boot_catalog_sector[2048]; grub_uint32_t img_chunk_offset; grub_uint32_t img_chunk_num; grub_uint32_t override_chunk_offset; grub_uint32_t override_chunk_num; grub_uint32_t virt_chunk_offset; grub_uint32_t virt_chunk_num; }ventoy_chain_head; typedef struct ventoy_img_chunk { grub_uint32_t img_start_sector; // sector size: 2KB grub_uint32_t img_end_sector; // included grub_uint64_t disk_start_sector; // in disk_sector_size grub_uint64_t disk_end_sector; // included }ventoy_img_chunk; typedef struct ventoy_override_chunk { grub_uint64_t img_offset; grub_uint32_t override_size; grub_uint8_t override_data[512]; }ventoy_override_chunk; typedef struct ventoy_virt_chunk { grub_uint32_t mem_sector_start; grub_uint32_t mem_sector_end; grub_uint32_t mem_sector_offset; grub_uint32_t remap_sector_start; grub_uint32_t remap_sector_end; grub_uint32_t org_sector_start; }ventoy_virt_chunk; #define DEFAULT_CHUNK_NUM 1024 typedef struct ventoy_img_chunk_list { grub_uint32_t max_chunk; grub_uint32_t cur_chunk; ventoy_img_chunk *chunk; }ventoy_img_chunk_list; #pragma pack() #define ventoy_filt_register grub_file_filter_register #pragma pack(1) #define GRUB_FILE_REPLACE_MAGIC 0x1258BEEF typedef const char * (*grub_env_get_pf)(const char *name); typedef int (*grub_env_set_pf)(const char *name, const char *val); typedef int (*grub_env_printf_pf)(const char *fmt, ...); typedef struct ventoy_grub_param_file_replace { grub_uint32_t magic; char old_file_name[4][256]; grub_uint32_t old_name_cnt; grub_uint32_t new_file_virtual_id; }ventoy_grub_param_file_replace; typedef struct ventoy_grub_param { grub_env_get_pf grub_env_get; grub_env_set_pf grub_env_set; ventoy_grub_param_file_replace file_replace; grub_env_printf_pf grub_env_printf; }ventoy_grub_param; #pragma pack() int grub_ext_get_file_chunk(grub_uint64_t part_start, grub_file_t file, ventoy_img_chunk_list *chunk_list); int grub_fat_get_file_chunk(grub_uint64_t part_start, grub_file_t file, ventoy_img_chunk_list *chunk_list); void grub_iso9660_set_nojoliet(int nojoliet); grub_uint64_t grub_iso9660_get_last_read_pos(grub_file_t file); grub_uint64_t grub_iso9660_get_last_file_dirent_pos(grub_file_t file); grub_uint64_t grub_udf_get_file_offset(grub_file_t file); grub_uint64_t grub_udf_get_last_pd_size_offset(void); grub_uint64_t grub_udf_get_last_file_attr_offset ( grub_file_t file, grub_uint32_t *startBlock, grub_uint64_t *fe_entry_size_offset ); int ventoy_is_efi_os(void); #endif /* __VENTOY_H__ */