mirror of
https://github.com/reactos/reactos.git
synced 2024-09-11 05:12:43 +00:00
Fixed disk size and partition limits
svn path=/trunk/; revision=1312
This commit is contained in:
parent
e7dc6b7c4b
commit
c27ed38f21
|
@ -1,4 +1,4 @@
|
|||
/* $Id: ide.c,v 1.31 2000/08/21 00:15:53 ekohl Exp $
|
||||
/* $Id: ide.c,v 1.32 2000/08/22 21:09:25 ekohl Exp $
|
||||
*
|
||||
* IDE.C - IDE Disk driver
|
||||
* written by Rex Jolliff
|
||||
|
@ -470,22 +470,21 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
|
|||
BOOLEAN CreatedDevices;
|
||||
char RawDeviceName[IDE_MAX_NAME_LENGTH];
|
||||
char PrimaryDeviceName[IDE_MAX_NAME_LENGTH];
|
||||
char LogicalDeviceName[IDE_MAX_NAME_LENGTH];
|
||||
int CommandPort, PartitionIdx, PartitionNum;
|
||||
int ExtPartitionIdx, ExtOffset;
|
||||
NTSTATUS RC;
|
||||
IDE_DRIVE_IDENTIFY DrvParms;
|
||||
PDEVICE_OBJECT RawDeviceObject;
|
||||
PDEVICE_OBJECT PrimaryDeviceObject;
|
||||
PDEVICE_OBJECT LogicalDeviceObject;
|
||||
PIDE_DEVICE_EXTENSION RawDeviceExtension;
|
||||
PARTITION PrimaryPartitionTable[4], *p;
|
||||
PARTITION ExtendedPartitionTable[4], *ep;
|
||||
PARTITION PartitionTable[4], *p;
|
||||
char DeviceDirName[IDE_MAX_NAME_LENGTH + 1];
|
||||
ANSI_STRING AnsiDeviceDirName;
|
||||
UNICODE_STRING UnicodeDeviceDirName;
|
||||
OBJECT_ATTRIBUTES DeviceDirAttributes;
|
||||
HANDLE Handle;
|
||||
ULONG SectorCount = 0;
|
||||
BOOLEAN ExtendedPart = FALSE;
|
||||
ULONG PartitionOffset = 0;
|
||||
|
||||
// Copy I/O port offsets for convenience
|
||||
CommandPort = ControllerExtension->CommandPortBase;
|
||||
|
@ -541,6 +540,18 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
|
|||
strcat(RawDeviceName, IDE_NT_PARTITION_NAME);
|
||||
RawDeviceName[strlen(RawDeviceName) + 1] = '\0';
|
||||
RawDeviceName[strlen(RawDeviceName)] = '0';
|
||||
|
||||
if (DrvParms.Capabilities & IDE_DRID_LBA_SUPPORTED)
|
||||
{
|
||||
SectorCount =
|
||||
(ULONG)((DrvParms.TMSectorCountHi << 16) + DrvParms.TMSectorCountLo);
|
||||
}
|
||||
else
|
||||
{
|
||||
SectorCount =
|
||||
(ULONG)(DrvParms.LogicalCyls * DrvParms.LogicalHeads * DrvParms.SectorsPerTrack);
|
||||
}
|
||||
|
||||
RC = IDECreateDevice(DriverObject,
|
||||
RawDeviceName,
|
||||
&RawDeviceObject,
|
||||
|
@ -548,7 +559,7 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
|
|||
DriveIdx,
|
||||
&DrvParms,
|
||||
0,
|
||||
DrvParms.LogicalCyls * DrvParms.LogicalHeads * DrvParms.SectorsPerTrack);
|
||||
SectorCount);
|
||||
if (!NT_SUCCESS(RC))
|
||||
{
|
||||
DPRINT("IDECreateDevice call failed for raw device\n",0);
|
||||
|
@ -573,115 +584,80 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
|
|||
}
|
||||
}
|
||||
|
||||
// Get Main partition table for device
|
||||
// read the partition table (chain)
|
||||
PartitionOffset = 0;
|
||||
PartitionNum = 1;
|
||||
if (!IDEGetPartitionTable(CommandPort, DriveIdx, 0, &DrvParms, PrimaryPartitionTable))
|
||||
{
|
||||
DPRINT("drive %d controller %d: Could not get primary partition table\n",
|
||||
DriveIdx,
|
||||
ControllerExtension->Number);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// build devices for all partitions in table
|
||||
DPRINT("partitions on %s:\n", DeviceDirName);
|
||||
for (PartitionIdx = 0; PartitionIdx < 4; PartitionIdx++)
|
||||
do
|
||||
{
|
||||
ExtendedPart = FALSE;
|
||||
|
||||
// Get Main partition table for device
|
||||
if (!IDEGetPartitionTable(CommandPort, DriveIdx, PartitionOffset, &DrvParms, PartitionTable))
|
||||
{
|
||||
|
||||
// copy partition pointer for convenience
|
||||
p = &PrimaryPartitionTable[PartitionIdx];
|
||||
|
||||
// if the partition entry is in use, create a device for it
|
||||
if (IsRecognizedPartition(p->PartitionType))
|
||||
DPRINT("drive %d controller %d offset %lu: Could not get primary partition table\n",
|
||||
DriveIdx,
|
||||
ControllerExtension->Number,
|
||||
PartitionOffset);
|
||||
}
|
||||
else
|
||||
{
|
||||
// build devices for all partitions in table
|
||||
DPRINT("partitions on %s:\n", DeviceDirName);
|
||||
for (PartitionIdx = 0; PartitionIdx < 4; PartitionIdx++)
|
||||
{
|
||||
DPRINT("%s ptbl entry:%d type:%02x Offset:%d Size:%d\n",
|
||||
DeviceDirName,
|
||||
PartitionIdx,
|
||||
p->PartitionType,
|
||||
p->StartingBlock,
|
||||
p->SectorCount);
|
||||
// copy partition pointer for convenience
|
||||
p = &PartitionTable[PartitionIdx];
|
||||
|
||||
// Create Device for partition
|
||||
strcpy(PrimaryDeviceName, IDE_NT_ROOTDIR_NAME);
|
||||
strcat(PrimaryDeviceName, IDE_NT_DEVICE_NAME);
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName) + 1] = '\0';
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName)] = '0' + HarddiskIdx;
|
||||
strcat(PrimaryDeviceName, IDE_NT_PARTITION_NAME);
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName) + 1] = '\0';
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName)] = '0' + PartitionNum++;
|
||||
TotalPartitions++;
|
||||
RC = IDECreateDevice(DriverObject,
|
||||
PrimaryDeviceName,
|
||||
&PrimaryDeviceObject,
|
||||
ControllerObject,
|
||||
DriveIdx,
|
||||
&DrvParms,
|
||||
p->StartingBlock,
|
||||
p->SectorCount);
|
||||
if (!NT_SUCCESS(RC))
|
||||
// if the partition entry is in use, create a device for it
|
||||
if (IsRecognizedPartition(p->PartitionType))
|
||||
{
|
||||
DPRINT("IDECreateDevice call failed\n",0);
|
||||
break;
|
||||
}
|
||||
DPRINT("%s ptbl entry:%d type:%02x Start:%lu Size:%lu\n",
|
||||
DeviceDirName,
|
||||
PartitionIdx,
|
||||
p->PartitionType,
|
||||
p->StartingBlock,
|
||||
p->SectorCount);
|
||||
|
||||
// Create devices for logical partitions within an extended partition
|
||||
}
|
||||
else if (IsExtendedPartition(p->PartitionType))
|
||||
{
|
||||
ExtOffset = p->StartingBlock;
|
||||
|
||||
// Get the Extended partition table
|
||||
if (!IDEGetPartitionTable(CommandPort,
|
||||
DriveIdx,
|
||||
ExtOffset,
|
||||
&DrvParms,
|
||||
ExtendedPartitionTable))
|
||||
{
|
||||
DPRINT("Harddisk%d: could not get extended partition table at offset %d",
|
||||
HarddiskIdx, ExtOffset);
|
||||
}
|
||||
else
|
||||
{
|
||||
for (ExtPartitionIdx = 0; ExtPartitionIdx < 4; ExtPartitionIdx++)
|
||||
// Create Device for partition
|
||||
strcpy(PrimaryDeviceName, IDE_NT_ROOTDIR_NAME);
|
||||
strcat(PrimaryDeviceName, IDE_NT_DEVICE_NAME);
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName) + 1] = '\0';
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName)] = '0' + HarddiskIdx;
|
||||
strcat(PrimaryDeviceName, IDE_NT_PARTITION_NAME);
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName) + 1] = '\0';
|
||||
PrimaryDeviceName[strlen(PrimaryDeviceName)] = '0' + PartitionNum++;
|
||||
TotalPartitions++;
|
||||
RC = IDECreateDevice(DriverObject,
|
||||
PrimaryDeviceName,
|
||||
&PrimaryDeviceObject,
|
||||
ControllerObject,
|
||||
DriveIdx,
|
||||
&DrvParms,
|
||||
p->StartingBlock + PartitionOffset,
|
||||
p->SectorCount);
|
||||
if (!NT_SUCCESS(RC))
|
||||
{
|
||||
ep = &ExtendedPartitionTable[ExtPartitionIdx];
|
||||
if (IsRecognizedPartition(ep->PartitionType))
|
||||
{
|
||||
DPRINT("Harddisk%d: Type:%02x Offset:%d Size:%d\n",
|
||||
HarddiskIdx,
|
||||
ep->PartitionType,
|
||||
ep->StartingBlock + ExtOffset,
|
||||
ep->SectorCount);
|
||||
|
||||
// Create device for logical partition
|
||||
strcpy(LogicalDeviceName, IDE_NT_ROOTDIR_NAME);
|
||||
strcat(LogicalDeviceName, IDE_NT_DEVICE_NAME);
|
||||
LogicalDeviceName[strlen(LogicalDeviceName) + 1] = '\0';
|
||||
LogicalDeviceName[strlen(LogicalDeviceName)] = '0' + HarddiskIdx;
|
||||
strcat(LogicalDeviceName, IDE_NT_PARTITION_NAME);
|
||||
LogicalDeviceName[strlen(LogicalDeviceName) + 1] = '\0';
|
||||
LogicalDeviceName[strlen(LogicalDeviceName)] = '0' + PartitionNum++;
|
||||
TotalPartitions++;
|
||||
RC = IDECreateDevice(DriverObject,
|
||||
LogicalDeviceName,
|
||||
&LogicalDeviceObject,
|
||||
ControllerObject,
|
||||
DriveIdx,
|
||||
&DrvParms,
|
||||
ep->StartingBlock + ExtOffset,
|
||||
ep->SectorCount);
|
||||
if (!NT_SUCCESS(RC))
|
||||
{
|
||||
DPRINT("IDECreateDevice call failed\n",0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
DPRINT("IDECreateDevice call failed\n",0);
|
||||
break;
|
||||
}
|
||||
PartitionOffset += (p->StartingBlock + p->SectorCount);
|
||||
}
|
||||
else if (IsExtendedPartition(p->PartitionType))
|
||||
{
|
||||
// Create devices for logical partitions within an extended partition
|
||||
DPRINT("%s ptbl entry:%d type:%02x Start:%lu Size:%lu\n",
|
||||
DeviceDirName,
|
||||
PartitionIdx,
|
||||
p->PartitionType,
|
||||
p->StartingBlock,
|
||||
p->SectorCount);
|
||||
ExtendedPart = TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
while (ExtendedPart == TRUE);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
@ -743,11 +719,15 @@ IDEGetDriveIdentification(IN int CommandPort,
|
|||
(DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0,
|
||||
DrvParms->MinPIOTransTime,
|
||||
DrvParms->MinDMATransTime);
|
||||
DPRINT("TM:Cyls:%d Heads:%d Sectors/Trk:%d Capacity:%d\n",
|
||||
DPRINT("TM:Cyls:%d Heads:%d Sectors/Trk:%d Capacity:%ld\n",
|
||||
DrvParms->TMCylinders,
|
||||
DrvParms->TMHeads,
|
||||
DrvParms->TMSectorsPerTrk,
|
||||
DrvParms->TMCapacity);
|
||||
(ULONG)(DrvParms->TMCapacityLo + (DrvParms->TMCapacityHi << 16)));
|
||||
DPRINT("TM:SectorCount: 0x%04x%04x = %lu\n",
|
||||
DrvParms->TMSectorCountHi,
|
||||
DrvParms->TMSectorCountLo,
|
||||
(ULONG)((DrvParms->TMSectorCountHi << 16) + DrvParms->TMSectorCountLo));
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
|
@ -221,8 +221,12 @@ typedef struct _IDE_DRIVE_IDENTIFY {
|
|||
WORD TMCylinders; /*54*/
|
||||
WORD TMHeads; /*55*/
|
||||
WORD TMSectorsPerTrk; /*56*/
|
||||
WORD TMCapacity; /*57*/
|
||||
WORD Reserved53[198]; /*58*/
|
||||
WORD TMCapacityLo; /*57*/
|
||||
WORD TMCapacityHi; /*58*/
|
||||
WORD Reserved59; /*59*/
|
||||
WORD TMSectorCountLo; /*60*/
|
||||
WORD TMSectorCountHi; /*61*/
|
||||
WORD Reserved62[194]; /*62*/
|
||||
} IDE_DRIVE_IDENTIFY, *PIDE_DRIVE_IDENTIFY;
|
||||
|
||||
|
||||
|
|
Loading…
Reference in a new issue