Experimental Linux GUI based on web browser

LinuxGUI/Ventoy2Disk/Core/ventoy_define.h

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+/******************************************************************************
+ * ventoy_define.h
+ *
+ * Copyright (c) 2021, 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 __VENTOY_DEFINE_H__
+#define __VENTOY_DEFINE_H__
+
+#define MAX_DISK_NUM    256
+
+#define SIZE_1MB    1048576
+#define SIZE_1GB    1073741824
+
+#define VTOYIMG_PART_START_BYTES    (1024 * 1024)
+#define VTOYIMG_PART_START_SECTOR   2048
+
+#define VTOYEFI_PART_BYTES    (32 * 1024 * 1024)
+#define VTOYEFI_PART_SECTORS  65536
+
+#define VTOY_LOG_FILE "log.txt"
+
+
+#pragma pack(1)
+
+typedef struct vtoy_guid
+{
+    uint32_t   data1;
+    uint16_t   data2;
+    uint16_t   data3;
+    uint8_t    data4[8];
+}vtoy_guid;
+
+typedef struct PART_TABLE
+{
+    uint8_t  Active; // 0x00  0x80
+
+    uint8_t  StartHead;
+    uint16_t StartSector : 6;
+    uint16_t StartCylinder : 10;
+
+    uint8_t  FsFlag;
+
+    uint8_t  EndHead;
+    uint16_t EndSector : 6;
+    uint16_t EndCylinder : 10;
+
+    uint32_t StartSectorId;
+    uint32_t SectorCount;
+}PART_TABLE;
+
+typedef struct MBR_HEAD
+{
+    uint8_t BootCode[446];
+    PART_TABLE PartTbl[4];
+    uint8_t Byte55;
+    uint8_t ByteAA;
+}MBR_HEAD;
+
+typedef struct VTOY_GPT_HDR
+{
+    char     Signature[8]; /* EFI PART */
+    uint8_t  Version[4];
+    uint32_t Length;
+    uint32_t Crc;
+    uint8_t  Reserved1[4];
+    uint64_t EfiStartLBA;
+    uint64_t EfiBackupLBA;
+    uint64_t PartAreaStartLBA;
+    uint64_t PartAreaEndLBA;
+    vtoy_guid   DiskGuid;
+    uint64_t PartTblStartLBA;
+    uint32_t PartTblTotNum;
+    uint32_t PartTblEntryLen;
+    uint32_t PartTblCrc;
+    uint8_t  Reserved2[420];
+}VTOY_GPT_HDR;
+
+typedef struct VTOY_GPT_PART_TBL
+{
+    vtoy_guid   PartType;
+    vtoy_guid   PartGuid;
+    uint64_t StartLBA;
+    uint64_t LastLBA;
+    uint64_t Attr;
+    uint16_t Name[36];
+}VTOY_GPT_PART_TBL;
+
+typedef struct VTOY_GPT_INFO
+{
+    MBR_HEAD MBR;
+    VTOY_GPT_HDR Head;
+    VTOY_GPT_PART_TBL PartTbl[128];
+}VTOY_GPT_INFO;
+#pragma pack()
+
+
+#define MBR_PART_STYLE  0
+#define GPT_PART_STYLE  1
+
+typedef struct disk_ventoy_data
+{
+    int ventoy_valid;
+    
+    char ventoy_ver[32];  // 1.0.33 ...
+    int  secure_boot_flag;
+    uint64_t preserved_space;
+
+    uint64_t part2_start_sector;
+
+    int  partition_style; // MBR_PART_STYLE/GPT_PART_STYLE
+    VTOY_GPT_INFO gptinfo;
+    uint8_t rsvdata[4096];
+}disk_ventoy_data;
+
+
+typedef struct ventoy_disk
+{
+    char disk_name[32];   // sda
+    char disk_path[64];   // /dev/sda
+
+    char part1_name[32];   // sda1
+    char part1_path[64];   // /dev/sda1
+    char part2_name[32];   // sda2
+    char part2_path[64];   // /dev/sda2
+
+    char disk_model[256]; // Sandisk/Kingston ...
+    char human_readable_size[32];
+
+    int major;
+    int minor;
+    int type;
+    int partstyle;
+    uint64_t size_in_byte;
+
+    disk_ventoy_data vtoydata;
+}ventoy_disk;
+
+#pragma pack(1)
+typedef struct ventoy_guid
+{
+    uint32_t   data1;
+    uint16_t   data2;
+    uint16_t   data3;
+    uint8_t    data4[8];
+}ventoy_guid;
+#pragma pack()
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#define VLOG_LOG    1
+#define VLOG_DEBUG  2
+
+#define ulong unsigned long
+#define _ll long long
+#define _ull unsigned long long
+#define strlcpy(dst, src) strncpy(dst, src, sizeof(dst) - 1)
+#define scnprintf(dst, fmt, args...) snprintf(dst, sizeof(dst) - 1, fmt, ##args)
+
+#define vlog(fmt, args...) ventoy_syslog(VLOG_LOG, fmt, ##args)
+#define vdebug(fmt, args...) ventoy_syslog(VLOG_DEBUG, fmt, ##args)
+
+void ventoy_syslog(int level, const char *Fmt, ...);
+void ventoy_set_loglevel(int level);
+uint32_t ventoy_crc32(void *Buffer, uint32_t Length);
+
+
+static inline void * zalloc(size_t n)
+{
+    void *p = malloc(n);
+    if (p) memset(p, 0, n);
+    return p;
+}
+
+
+#endif /* __VENTOY_DEFINE_H__ */
+