reactos/subsys/system/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
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  * COPYRIGHT:       See COPYING in the top level directory
  21  * PROJECT:         ReactOS text-mode setup
  22  * FILE:            subsys/system/usetup/partlist.h
  23  * PURPOSE:         Partition list functions
  24  * PROGRAMMER:      Eric Kohl
  25  */
  26
  27 #ifndef __PARTLIST_H__
  28 #define __PARTLIST_H__
  29
  30 typedef enum _FORMATSTATE
  31 {
  32   Unformatted,
  33   UnformattedOrDamaged,
  34   UnknownFormat,
  35   Preformatted,
  36   Formatted
  37 } FORMATSTATE, *PFORMATSTATE;
  38
  39
  40 typedef struct _PARTENTRY
  41 {
  42   LIST_ENTRY ListEntry;
  43
  44   CHAR DriveLetter;
  45   CHAR VolumeLabel[17];
  46   CHAR FileSystemName[9];
  47
  48   /* Partition is unused disk space */
  49   BOOLEAN Unpartitioned;
  50
  51   /* Partition is new. Table does not exist on disk yet */
  52   BOOLEAN New;
  53
  54   /* Partition was created automatically. */
  55   BOOLEAN AutoCreate;
  56
  57   FORMATSTATE FormatState;
  58
  59   /*
  60    * Raw offset and length of the unpartitioned disk space.
  61    * Includes the leading, not yet existing, partition table.
  62    */
  63   ULONGLONG UnpartitionedOffset;
  64   ULONGLONG UnpartitionedLength;
  65
  66   PARTITION_INFORMATION PartInfo[4];
  67
  68 } PARTENTRY, *PPARTENTRY;
  69
  70
  71 typedef struct _BIOSDISKENTRY
  72 {
  73   LIST_ENTRY ListEntry;
  74   ULONG DiskNumber;
  75   ULONG Signature;
  76   ULONG Checksum;
  77 } BIOSDISKENTRY, *PBIOSDISKENTRY;
  78
  79
  80 typedef struct _DISKENTRY
  81 {
  82   LIST_ENTRY ListEntry;
  83
  84   ULONGLONG Cylinders;
  85   ULONGLONG TracksPerCylinder;
  86   ULONGLONG SectorsPerTrack;
  87   ULONGLONG BytesPerSector;
  88
  89   ULONGLONG DiskSize;
  90   ULONGLONG CylinderSize;
  91   ULONGLONG TrackSize;
  92
  93   BOOLEAN BiosFound;
  94   ULONG BiosDiskNumber;
  95   ULONG Signature;
  96   ULONG Checksum;
  97
  98   ULONG DiskNumber;
  99   USHORT Port;
 100   USHORT Bus;
 101   USHORT Id;
 102
 103   /* Has the partition list been modified? */
 104   BOOLEAN Modified;
 105
 106   BOOLEAN NewDisk;
 107
 108   UNICODE_STRING DriverName;
 109
 110   LIST_ENTRY PartListHead;
 111
 112 } DISKENTRY, *PDISKENTRY;
 113
 114
 115 typedef struct _PARTLIST
 116 {
 117   SHORT Left;
 118   SHORT Top;
 119   SHORT Right;
 120   SHORT Bottom;
 121
 122   SHORT Line;
 123   SHORT Offset;
 124
 125   ULONG TopDisk;
 126   ULONG TopPartition;
 127
 128   PDISKENTRY CurrentDisk;
 129   PPARTENTRY CurrentPartition;
 130
 131   PDISKENTRY ActiveBootDisk;
 132   PPARTENTRY ActiveBootPartition;
 133
 134   LIST_ENTRY DiskListHead;
 135   LIST_ENTRY BiosDiskListHead;
 136
 137 } PARTLIST, *PPARTLIST;
 138
 139 #define  PARTITION_TBL_SIZE 4
 140
 141 #include <pshpack1.h>
 142
 143 typedef struct _PARTITION
 144 {
 145   unsigned char   BootFlags;                                    /* bootable?  0=no, 128=yes  */
 146   unsigned char   StartingHead;                                 /* beginning head number */
 147   unsigned char   StartingSector;                               /* beginning sector number */
 148   unsigned char   StartingCylinder;                             /* 10 bit nmbr, with high 2 bits put in begsect */
 149   unsigned char   PartitionType;                                /* Operating System type indicator code */
 150   unsigned char   EndingHead;                                   /* ending head number */
 151   unsigned char   EndingSector;                                 /* ending sector number */
 152   unsigned char   EndingCylinder;                               /* also a 10 bit nmbr, with same high 2 bit trick */
 153   unsigned int  StartingBlock;                                  /* first sector relative to start of disk */
 154   unsigned int  SectorCount;                                    /* number of sectors in partition */
 155 } PARTITION, *PPARTITION;
 156
 157 typedef struct _PARTITION_SECTOR
 158 {
 159   UCHAR BootCode[440];                          /* 0x000 */
 160   ULONG Signature;                              /* 0x1B8 */
 161   UCHAR Reserved[2];                            /* 0x1BC */
 162   PARTITION Partition[PARTITION_TBL_SIZE];      /* 0x1BE */
 163   USHORT Magic;                                 /* 0x1FE */
 164 } PARTITION_SECTOR, *PPARTITION_SECTOR;
 165
 166 #include <poppack.h>
 167
 168 typedef struct
 169 {
 170    LIST_ENTRY ListEntry;
 171    ULONG DiskNumber;
 172    ULONG Idendifier;
 173    ULONG Signature;
 174 } BIOS_DISK, *PBIOS_DISK;
 175
 176 PPARTLIST
 177 CreatePartitionList (SHORT Left,
 178                      SHORT Top,
 179                      SHORT Right,
 180                      SHORT Bottom);
 181
 182 VOID
 183 DestroyPartitionList (PPARTLIST List);
 184
 185 VOID
 186 DrawPartitionList (PPARTLIST List);
 187
 188 VOID
 189 SelectPartition(PPARTLIST List, ULONG DiskNumber, ULONG PartitionNumber);
 190
 191 VOID
 192 ScrollDownPartitionList (PPARTLIST List);
 193
 194 VOID
 195 ScrollUpPartitionList (PPARTLIST List);
 196
 197 VOID
 198 CreateNewPartition (PPARTLIST List,
 199                     ULONGLONG PartitionSize,
 200                     BOOLEAN AutoCreate);
 201
 202 VOID
 203 DeleteCurrentPartition (PPARTLIST List);
 204
 205 VOID
 206 CheckActiveBootPartition (PPARTLIST List);
 207
 208 BOOLEAN
 209 CheckForLinuxFdiskPartitions (PPARTLIST List);
 210
 211 BOOLEAN
 212 WritePartitionsToDisk (PPARTLIST List);
 213
 214 #endif /* __PARTLIST_H__ */
 215
 216 /* EOF */