base/setup/usetup/partlist.h

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 2002, 2003 ReactOS Team
   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 /* COPYRIGHT:       See COPYING in the top level directory
  20  * PROJECT:         ReactOS text-mode setup
  21  * FILE:            subsys/system/usetup/partlist.h
  22  * PURPOSE:         Partition list functions
  23  * PROGRAMMER:      Eric Kohl
  24  */
  25
  26 #pragma once
  27
  28 /* We have to define it there, because it is not in the MS DDK */
  29 #define PARTITION_EXT2 0x83
  30
  31 typedef enum _FORMATSTATE
  32 {
  33     Unformatted,
  34     UnformattedOrDamaged,
  35     UnknownFormat,
  36     Preformatted,
  37     Formatted
  38 } FORMATSTATE, *PFORMATSTATE;
  39
  40
  41 typedef struct _PARTENTRY
  42 {
  43     LIST_ENTRY ListEntry;
  44
  45     CHAR DriveLetter[4];
  46     CHAR VolumeLabel[17];
  47     CHAR FileSystemName[9];
  48
  49     /* Partition is unused disk space */
  50     BOOLEAN Unpartitioned;
  51
  52     /* Partition is new. Table does not exist on disk yet */
  53     BOOLEAN New;
  54
  55     /* Partition was created automatically. */
  56     BOOLEAN AutoCreate;
  57
  58     FORMATSTATE FormatState;
  59
  60     /*
  61      * Raw offset and length of the unpartitioned disk space.
  62      * Includes the leading, not yet existing, partition table.
  63      */
  64     ULONGLONG UnpartitionedOffset;
  65     ULONGLONG UnpartitionedLength;
  66
  67     PARTITION_INFORMATION PartInfo[4];
  68
  69 } PARTENTRY, *PPARTENTRY;
  70
  71
  72 typedef struct _BIOSDISKENTRY
  73 {
  74     LIST_ENTRY ListEntry;
  75     ULONG DiskNumber;
  76     ULONG Signature;
  77     ULONG Checksum;
  78     BOOLEAN Recognized;
  79     CM_DISK_GEOMETRY_DEVICE_DATA DiskGeometry;
  80     CM_INT13_DRIVE_PARAMETER Int13DiskData;
  81 } BIOSDISKENTRY, *PBIOSDISKENTRY;
  82
  83
  84 typedef struct _DISKENTRY
  85 {
  86     LIST_ENTRY ListEntry;
  87
  88     ULONGLONG Cylinders;
  89     ULONGLONG TracksPerCylinder;
  90     ULONGLONG SectorsPerTrack;
  91     ULONGLONG BytesPerSector;
  92
  93     ULONGLONG DiskSize;
  94     ULONGLONG CylinderSize;
  95     ULONGLONG TrackSize;
  96
  97     BOOLEAN BiosFound;
  98     ULONG BiosDiskNumber;
  99     ULONG Signature;
 100     ULONG Checksum;
 101
 102     ULONG DiskNumber;
 103     USHORT Port;
 104     USHORT Bus;
 105     USHORT Id;
 106
 107     /* Has the partition list been modified? */
 108     BOOLEAN Modified;
 109
 110     BOOLEAN NewDisk;
 111     BOOLEAN NoMbr; /* MBR is absent */
 112
 113     UNICODE_STRING DriverName;
 114
 115     LIST_ENTRY PartListHead;
 116
 117 } DISKENTRY, *PDISKENTRY;
 118
 119
 120 typedef struct _PARTLIST
 121 {
 122     SHORT Left;
 123     SHORT Top;
 124     SHORT Right;
 125     SHORT Bottom;
 126
 127     SHORT Line;
 128     SHORT Offset;
 129
 130     ULONG TopDisk;
 131     ULONG TopPartition;
 132
 133     PDISKENTRY CurrentDisk;
 134     PPARTENTRY CurrentPartition;
 135     UCHAR      CurrentPartitionNumber;
 136
 137     PDISKENTRY ActiveBootDisk;
 138     PPARTENTRY ActiveBootPartition;
 139     UCHAR      ActiveBootPartitionNumber;
 140
 141     LIST_ENTRY DiskListHead;
 142     LIST_ENTRY BiosDiskListHead;
 143
 144 } PARTLIST, *PPARTLIST;
 145
 146 #define  PARTITION_TBL_SIZE 4
 147
 148 #include <pshpack1.h>
 149
 150 typedef struct _PARTITION
 151 {
 152     unsigned char   BootFlags;        /* bootable?  0=no, 128=yes  */
 153     unsigned char   StartingHead;     /* beginning head number */
 154     unsigned char   StartingSector;   /* beginning sector number */
 155     unsigned char   StartingCylinder; /* 10 bit nmbr, with high 2 bits put in begsect */
 156     unsigned char   PartitionType;    /* Operating System type indicator code */
 157     unsigned char   EndingHead;       /* ending head number */
 158     unsigned char   EndingSector;     /* ending sector number */
 159     unsigned char   EndingCylinder;   /* also a 10 bit nmbr, with same high 2 bit trick */
 160     unsigned int  StartingBlock;      /* first sector relative to start of disk */
 161     unsigned int  SectorCount;        /* number of sectors in partition */
 162 } PARTITION, *PPARTITION;
 163
 164 typedef struct _PARTITION_SECTOR
 165 {
 166     UCHAR BootCode[440];                     /* 0x000 */
 167     ULONG Signature;                         /* 0x1B8 */
 168     UCHAR Reserved[2];                       /* 0x1BC */
 169     PARTITION Partition[PARTITION_TBL_SIZE]; /* 0x1BE */
 170     USHORT Magic;                            /* 0x1FE */
 171 } PARTITION_SECTOR, *PPARTITION_SECTOR;
 172
 173 #include <poppack.h>
 174
 175 typedef struct
 176 {
 177     LIST_ENTRY ListEntry;
 178     ULONG DiskNumber;
 179     ULONG Idendifier;
 180     ULONG Signature;
 181 } BIOS_DISK, *PBIOS_DISK;
 182
 183 PPARTLIST
 184 CreatePartitionList(
 185     SHORT Left,
 186     SHORT Top,
 187     SHORT Right,
 188     SHORT Bottom);
 189
 190 VOID
 191 DestroyPartitionList(
 192     PPARTLIST List);
 193
 194 VOID
 195 DrawPartitionList(
 196     PPARTLIST List);
 197
 198 DWORD
 199 SelectPartition(
 200     PPARTLIST List,
 201     ULONG DiskNumber,
 202     ULONG PartitionNumber);
 203
 204 BOOL
 205 SetMountedDeviceValues(
 206     PPARTLIST List);
 207
 208 VOID
 209 ScrollDownPartitionList(
 210     PPARTLIST List);
 211
 212 VOID
 213 ScrollUpPartitionList(
 214     PPARTLIST List);
 215
 216 VOID
 217 CreateNewPartition(
 218     PPARTLIST List,
 219     ULONGLONG PartitionSize,
 220     BOOLEAN AutoCreate);
 221
 222 VOID
 223 DeleteCurrentPartition(
 224     PPARTLIST List);
 225
 226 VOID
 227 CheckActiveBootPartition(
 228     PPARTLIST List);
 229
 230 BOOLEAN
 231 CheckForLinuxFdiskPartitions(
 232     PPARTLIST List);
 233
 234 BOOLEAN
 235 WritePartitionsToDisk(
 236     PPARTLIST List);
 237
 238 /* EOF */