ReactOS 0.4.15-dev-8145-ga541a46
disk.h
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1/*
2 * FreeLoader
3 * Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20#pragma once
21
22#include <reactos/rosioctl.h>
23
24typedef struct _GEOMETRY
25{
26 ULONG Cylinders; // Number of cylinders on the disk
27 ULONG Heads; // Number of heads on the disk
28 ULONG Sectors; // Number of sectors per track
29 ULONG BytesPerSector; // Number of bytes per sector
30
32
33/*
34 * Extended disk geometry (Int13 / ah=48h)
35 */
36#include <pshpack1.h>
37typedef struct _EXTENDED_GEOMETRY
38{
47
49
50/*
51 * Define the structure of a partition table entry
52 */
54{
55 UCHAR BootIndicator; // 0x00 - non-bootable partition,
56 // 0x80 - bootable partition (one partition only)
57 UCHAR StartHead; // Beginning head number
58 UCHAR StartSector; // Beginning sector (2 high bits of cylinder #)
59 UCHAR StartCylinder; // Beginning cylinder# (low order bits of cylinder #)
60 UCHAR SystemIndicator; // System indicator
61 UCHAR EndHead; // Ending head number
62 UCHAR EndSector; // Ending sector (2 high bits of cylinder #)
63 UCHAR EndCylinder; // Ending cylinder# (low order bits of cylinder #)
64 ULONG SectorCountBeforePartition; // Number of sectors preceding the partition
65 ULONG PartitionSectorCount; // Number of sectors in the partition
66
68
69/*
70 * Define the structure of the master boot record
71 */
72typedef struct _MASTER_BOOT_RECORD
73{
75 ULONG Signature; /* 0x1B8 */
76 USHORT Reserved; /* 0x1BC */
79
81#include <poppack.h>
82
83/*
84 * Partition type defines (of PSDK)
85 */
86#define PARTITION_ENTRY_UNUSED 0x00 // Entry unused
87#define PARTITION_FAT_12 0x01 // 12-bit FAT entries
88#define PARTITION_XENIX_1 0x02 // Xenix
89#define PARTITION_XENIX_2 0x03 // Xenix
90#define PARTITION_FAT_16 0x04 // 16-bit FAT entries
91#define PARTITION_EXTENDED 0x05 // Extended partition entry
92#define PARTITION_HUGE 0x06 // Huge partition MS-DOS V4
93#define PARTITION_IFS 0x07 // IFS Partition
94#define PARTITION_OS2BOOTMGR 0x0A // OS/2 Boot Manager/OPUS/Coherent swap
95#define PARTITION_FAT32 0x0B // FAT32
96#define PARTITION_FAT32_XINT13 0x0C // FAT32 using extended int13 services
97#define PARTITION_XINT13 0x0E // Win95 partition using extended int13 services
98#define PARTITION_XINT13_EXTENDED 0x0F // Same as type 5 but uses extended int13 services
99#define PARTITION_NTFS 0x17 // NTFS
100#define PARTITION_PREP 0x41 // PowerPC Reference Platform (PReP) Boot Partition
101#define PARTITION_LDM 0x42 // Logical Disk Manager partition
102#define PARTITION_UNIX 0x63 // Unix
103#define VALID_NTFT 0xC0 // NTFT uses high order bits
104#define PARTITION_NTFT 0x80 // NTFT partition
105#define PARTITION_GPT 0xEE // GPT protective partition
106#ifdef __REACTOS__
107#define PARTITION_OLD_LINUX 0x43
108#define PARTITION_LINUX 0x83
109#endif
110
112//
113// PC x86/64 BIOS Disk Functions (pcdisk.c)
114//
116#if defined(__i386__) || defined(_M_AMD64)
118#endif // defined __i386__ || defined(_M_AMD64)
119
120/* Buffer for disk reads (hwdisk.c) */
121extern PVOID DiskReadBuffer;
123
124
125/* ARC path of the boot drive and partition */
127
128
130//
131// Fixed Disk Partition Management Functions
132//
134
135VOID
137 IN UCHAR DriveNumber);
138
141 IN UCHAR DriveNumber,
142 OUT PPARTITION_TABLE_ENTRY PartitionTableEntry,
143 OUT PULONG BootPartition);
144
147 IN UCHAR DriveNumber,
149 OUT PPARTITION_TABLE_ENTRY PartitionTableEntry);
150
151/*
152 * SCSI support (disk/scsiport.c)
153 */
unsigned char BOOLEAN
#define __cdecl
Definition: accygwin.h:79
struct _PARTITION_TABLE_ENTRY PARTITION_TABLE_ENTRY
struct _EXTENDED_GEOMETRY EXTENDED_GEOMETRY
struct _EXTENDED_GEOMETRY * PEXTENDED_GEOMETRY
CCHAR FrLdrBootPath[MAX_PATH]
Definition: freeldr.c:39
PVOID DiskReadBuffer
Definition: hwdisk.c:49
struct _PARTITION_TABLE_ENTRY * PPARTITION_TABLE_ENTRY
struct _MASTER_BOOT_RECORD * PMASTER_BOOT_RECORD
ULONG LoadBootDeviceDriver(VOID)
Definition: scsiport.c:1635
BOOLEAN DiskGetPartitionEntry(IN UCHAR DriveNumber, IN ULONG PartitionNumber, OUT PPARTITION_TABLE_ENTRY PartitionTableEntry)
Definition: partition.c:407
struct _MASTER_BOOT_RECORD MASTER_BOOT_RECORD
struct _GEOMETRY * PGEOMETRY
struct _GEOMETRY GEOMETRY
BOOLEAN DiskGetBootPartitionEntry(IN UCHAR DriveNumber, OUT PPARTITION_TABLE_ENTRY PartitionTableEntry, OUT PULONG BootPartition)
Definition: partition.c:367
SIZE_T DiskReadBufferSize
Definition: hwdisk.c:50
VOID DiskDetectPartitionType(IN UCHAR DriveNumber)
Definition: partition.c:314
#define MAX_PATH
Definition: compat.h:34
VOID __cdecl DiskStopFloppyMotor(VOID)
Definition: pc98hw.c:1235
unsigned short USHORT
Definition: pedump.c:61
ULONGLONG Sectors
Definition: disk.h:44
USHORT Size
Definition: disk.h:39
USHORT Flags
Definition: disk.h:40
ULONG Heads
Definition: disk.h:42
USHORT BytesPerSector
Definition: disk.h:45
ULONG SectorsPerTrack
Definition: disk.h:43
ULONG Cylinders
Definition: disk.h:41
ULONG PDPTE
Definition: disk.h:46
Definition: disk.h:25
ULONG BytesPerSector
Definition: disk.h:29
ULONG Sectors
Definition: disk.h:28
ULONG Cylinders
Definition: disk.h:26
ULONG Heads
Definition: disk.h:27
UCHAR MasterBootRecordCodeAndData[0x1b8]
Definition: disk.h:74
USHORT MasterBootRecordMagic
Definition: disk.h:78
PARTITION_TABLE_ENTRY PartitionTable[4]
Definition: disk.h:77
USHORT Reserved
Definition: disk.h:76
ULONG Signature
Definition: disk.h:75
Definition: disk.h:54
ULONG SectorCountBeforePartition
Definition: disk.h:64
ULONG PartitionSectorCount
Definition: disk.h:65
UCHAR BootIndicator
Definition: disk.h:55
UCHAR StartCylinder
Definition: disk.h:59
UCHAR StartSector
Definition: disk.h:58
UCHAR SystemIndicator
Definition: disk.h:60
UCHAR EndHead
Definition: disk.h:61
UCHAR EndSector
Definition: disk.h:62
UCHAR EndCylinder
Definition: disk.h:63
UCHAR StartHead
Definition: disk.h:57
uint32_t * PULONG
Definition: typedefs.h:59
ULONG_PTR SIZE_T
Definition: typedefs.h:80
#define IN
Definition: typedefs.h:39
uint32_t ULONG
Definition: typedefs.h:59
uint64_t ULONGLONG
Definition: typedefs.h:67
#define OUT
Definition: typedefs.h:40
char CCHAR
Definition: typedefs.h:51
_In_ ULONG _In_ ULONG PartitionNumber
Definition: iofuncs.h:2061
unsigned char UCHAR
Definition: xmlstorage.h:181