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https://github.com/reactos/reactos.git
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Moved disk manager related offset calculation to class2.
Implemented dynamic partition management. Removed unused header files. svn path=/trunk/; revision=4596
This commit is contained in:
Eric Kohl
parent
879b1f5754
commit
a950079369
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@ -1,6 +1,6 @@
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/*
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* ReactOS kernel
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* Copyright (C) 2001, 2002 ReactOS Team
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* Copyright (C) 2001, 2002, 2003 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: class2.c,v 1.32 2003/03/21 21:09:41 hbirr Exp $
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/* $Id: class2.c,v 1.33 2003/04/27 10:49:06 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -1528,7 +1528,8 @@ ScsiClassReadWrite(IN PDEVICE_OBJECT DeviceObject,
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}
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/* Adjust partition-relative starting offset to absolute offset */
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IrpStack->Parameters.Read.ByteOffset.QuadPart += DeviceExtension->StartingOffset.QuadPart;
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IrpStack->Parameters.Read.ByteOffset.QuadPart +=
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(DeviceExtension->StartingOffset.QuadPart + DeviceExtension->DMByteSkew);
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/* Calculate number of pages in this transfer */
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CurrentTransferPages =
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@ -1,6 +1,6 @@
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/*
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* ReactOS kernel
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* Copyright (C) 2001, 2002 ReactOS Team
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* Copyright (C) 2001, 2002, 2003 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: disk.c,v 1.24 2003/04/05 15:36:34 chorns Exp $
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/* $Id: disk.c,v 1.25 2003/04/27 10:50:07 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -40,6 +40,7 @@
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typedef struct _DISK_DATA
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{
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PDEVICE_EXTENSION NextPartition;
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ULONG HiddenSectors;
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ULONG PartitionNumber;
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ULONG PartitionOrdinal;
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@ -48,13 +49,6 @@ typedef struct _DISK_DATA
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BOOLEAN DriveNotReady;
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} DISK_DATA, *PDISK_DATA;
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typedef enum _DISK_MANAGER
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{
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NoDiskManager,
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OntrackDiskManager,
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EZ_Drive
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} DISK_MANAGER;
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BOOLEAN STDCALL
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DiskClassFindDevices(PDRIVER_OBJECT DriverObject,
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@ -89,28 +83,35 @@ NTSTATUS STDCALL
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DiskClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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static VOID
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DiskClassUpdatePartitionDeviceObjects (IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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/* FUNCTIONS ****************************************************************/
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// DriverEntry
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//
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// DESCRIPTION:
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// This function initializes the driver, locates and claims
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// hardware resources, and creates various NT objects needed
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// to process I/O requests.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// IN PDRIVER_OBJECT DriverObject System allocated Driver Object
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// for this driver
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// IN PUNICODE_STRING RegistryPath Name of registry driver service
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// key
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//
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// RETURNS:
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// NTSTATUS
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/**********************************************************************
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* NAME EXPORTED
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* DriverEntry
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*
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* DESCRIPTION
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* This function initializes the driver, locates and claims
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* hardware resources, and creates various NT objects needed
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* to process I/O requests.
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*
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* RUN LEVEL
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* PASSIVE_LEVEL
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*
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* ARGUMENTS
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* DriverObject
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* System allocated Driver Object for this driver
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*
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* RegistryPath
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* Name of registry driver service key
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*
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* RETURN VALUE
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* Status
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*/
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NTSTATUS STDCALL
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DriverEntry(IN PDRIVER_OBJECT DriverObject,
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@ -360,7 +361,7 @@ DiskClassCheckReadWrite(IN PDEVICE_OBJECT DeviceObject,
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/**********************************************************************
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* NAME EXPORTED
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* NAME INTERNAL
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* DiskClassCreateDeviceObject
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*
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* DESCRIPTION
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@ -410,7 +411,6 @@ DiskClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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ULONG PartitionNumber;
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PVOID MbrBuffer;
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NTSTATUS Status;
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DISK_MANAGER DiskManager = NoDiskManager;
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DPRINT("DiskClassCreateDeviceObject() called\n");
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@ -556,31 +556,18 @@ DiskClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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&MbrBuffer);
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if (MbrBuffer != NULL)
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{
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/* Start disk at sector 63 if the Ontrack Disk Manager was found */
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DPRINT("Found 'Ontrack Disk Manager'!\n");
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DiskManager = OntrackDiskManager;
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DiskDeviceExtension->DMSkew = 63;
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DiskDeviceExtension->DMByteSkew =
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63 * DiskDeviceExtension->DiskGeometry->BytesPerSector;
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DiskDeviceExtension->DMActive = TRUE;
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ExFreePool(MbrBuffer);
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MbrBuffer = NULL;
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}
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HalExamineMBR(DiskDeviceObject,
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DiskDeviceExtension->DiskGeometry->BytesPerSector,
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0x55,
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&MbrBuffer);
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if (MbrBuffer != NULL)
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{
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DPRINT("Found 'EZ-Drive' disk manager!\n");
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DiskManager = EZ_Drive;
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ExFreePool(MbrBuffer);
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MbrBuffer = NULL;
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}
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/* Start disk at sector 63 if the Ontrack Disk Manager was found */
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if (DiskManager == OntrackDiskManager)
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{
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DiskDeviceExtension->StartingOffset.QuadPart =
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(ULONGLONG)(63 * DiskDeviceExtension->DiskGeometry->BytesPerSector);
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}
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if ((DiskDeviceObject->Characteristics & FILE_REMOVABLE_MEDIA) &&
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(DiskDeviceExtension->DiskGeometry->MediaType == RemovableMedia))
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{
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@ -679,19 +666,13 @@ DiskClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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PartitionDeviceExtension->DiskGeometry = DiskDeviceExtension->DiskGeometry;
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PartitionDeviceExtension->PhysicalDevice = DiskDeviceExtension->PhysicalDevice;
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PartitionDeviceExtension->PortCapabilities = Capabilities;
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if (DiskManager == OntrackDiskManager)
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{
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PartitionDeviceExtension->StartingOffset.QuadPart =
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PartitionEntry->StartingOffset.QuadPart +
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(ULONGLONG)(63 * DiskDeviceExtension->DiskGeometry->BytesPerSector);
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}
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else
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{
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PartitionDeviceExtension->StartingOffset.QuadPart =
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PartitionEntry->StartingOffset.QuadPart;
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}
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PartitionDeviceExtension->StartingOffset.QuadPart =
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PartitionEntry->StartingOffset.QuadPart;
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PartitionDeviceExtension->PartitionLength.QuadPart =
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PartitionEntry->PartitionLength.QuadPart;
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PartitionDeviceExtension->DMSkew = DiskDeviceExtension->DMSkew;
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PartitionDeviceExtension->DMByteSkew = DiskDeviceExtension->DMByteSkew;
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PartitionDeviceExtension->DMActive = DiskDeviceExtension->DMActive;
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PartitionDeviceExtension->PortNumber = (UCHAR)PortNumber;
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PartitionDeviceExtension->PathId = InquiryData->PathId;
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PartitionDeviceExtension->TargetId = InquiryData->TargetId;
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@ -702,7 +683,12 @@ DiskClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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ScsiClassInitializeSrbLookasideList(PartitionDeviceExtension,
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8);
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/* Link current partition device extension to previous disk data */
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DiskData->NextPartition = PartitionDeviceExtension;
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/* Initialize current disk data */
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DiskData = (PDISK_DATA)(PartitionDeviceExtension + 1);
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DiskData->NextPartition = NULL;
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DiskData->PartitionType = PartitionEntry->PartitionType;
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DiskData->PartitionNumber = PartitionNumber + 1;
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DiskData->PartitionOrdinal = PartitionNumber + 1;
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@ -923,6 +909,11 @@ DiskClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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}
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else
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{
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/* Update partition device objects */
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DiskClassUpdatePartitionDeviceObjects (DeviceObject,
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Irp);
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/* Write partition table */
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Status = IoWritePartitionTable(DeviceExtension->PhysicalDevice,
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DeviceExtension->DiskGeometry->BytesPerSector,
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DeviceExtension->DiskGeometry->SectorsPerTrack,
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@ -930,8 +921,6 @@ DiskClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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PartitionList);
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if (NT_SUCCESS(Status))
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{
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/* FIXME: Update partition device objects */
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Information = TableSize;
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}
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}
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@ -1074,4 +1063,254 @@ DiskClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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return(IoCallDriver(DeviceExtension->PortDeviceObject, Irp));
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}
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/**********************************************************************
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* NAME INTERNAL
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* DiskClassUpdatePartitionDeviceObjects
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*
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* DESCRIPTION
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* Deletes, modifies or creates partition device objects.
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*
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* RUN LEVEL
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* PASSIVE_LEVEL
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*
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* ARGUMENTS
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* DeviceObject
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* Pointer to the device.
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*
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* Irp
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* Pointer to the IRP
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*
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* RETURN VALUE
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* None
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*/
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static VOID
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DiskClassUpdatePartitionDeviceObjects (IN PDEVICE_OBJECT DiskDeviceObject,
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IN PIRP Irp)
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{
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PDRIVE_LAYOUT_INFORMATION PartitionList;
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PPARTITION_INFORMATION PartitionEntry;
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PDEVICE_EXTENSION DeviceExtension;
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PDEVICE_EXTENSION DiskDeviceExtension;
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PDISK_DATA DiskData;
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ULONG PartitionCount;
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ULONG PartitionOrdinal;
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ULONG PartitionNumber;
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ULONG LastPartitionNumber;
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ULONG i;
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BOOLEAN Found;
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WCHAR NameBuffer[MAX_PATH];
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UNICODE_STRING DeviceName;
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PDEVICE_OBJECT DeviceObject;
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NTSTATUS Status;
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/* Get partition list */
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PartitionList = Irp->AssociatedIrp.SystemBuffer;
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/* Round partition count up by 4 */
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PartitionCount = ((PartitionList->PartitionCount + 3) / 4) * 4;
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/* Remove the partition numbers from the partition list */
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for (i = 0; i < PartitionCount; i++)
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{
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PartitionList->PartitionEntry[i].PartitionNumber = 0;
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}
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DiskDeviceExtension = DiskDeviceObject->DeviceExtension;
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/* Traverse on-disk partition list */
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LastPartitionNumber = 0;
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DeviceExtension = DiskDeviceExtension;
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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while (TRUE)
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{
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DeviceExtension = DiskData->NextPartition;
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if (DeviceExtension == NULL)
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break;
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/* Get disk data */
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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/* Update last partition number */
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if (DiskData->PartitionNumber > LastPartitionNumber)
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LastPartitionNumber = DiskData->PartitionNumber;
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/* Ignore unused on-disk partitions */
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if (DeviceExtension->PartitionLength.QuadPart == 0ULL)
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continue;
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Found = FALSE;
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PartitionOrdinal = 0;
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for (i = 0; i < PartitionCount; i++)
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{
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/* Get current partition entry */
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PartitionEntry = &PartitionList->PartitionEntry[i];
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/* Ignore empty (aka unused) or extended partitions */
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if (PartitionEntry->PartitionType == PARTITION_ENTRY_UNUSED ||
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IsContainerPartition (PartitionEntry->PartitionType))
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continue;
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PartitionOrdinal++;
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/* Check for matching partition start offset and length */
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if ((PartitionEntry->StartingOffset.QuadPart !=
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DeviceExtension->StartingOffset.QuadPart) ||
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(PartitionEntry->PartitionLength.QuadPart !=
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DeviceExtension->PartitionLength.QuadPart))
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continue;
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DPRINT1("Found matching partition entry for partition %lu\n",
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DiskData->PartitionNumber);
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/* Found matching partition */
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Found = TRUE;
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/* Update partition number in partition list */
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PartitionEntry->PartitionNumber = DiskData->PartitionNumber;
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break;
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}
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if (Found == TRUE)
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{
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/* Get disk data for current partition */
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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/* Update partition type if partiton will be rewritten */
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if (PartitionEntry->RewritePartition == TRUE)
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DiskData->PartitionType = PartitionEntry->PartitionType;
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/* Assign new partiton ordinal */
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DiskData->PartitionOrdinal = PartitionOrdinal;
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DPRINT1("Partition ordinal %lu was assigned to partition %lu\n",
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DiskData->PartitionOrdinal,
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DiskData->PartitionNumber);
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}
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else
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{
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/* Delete this partition */
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DeviceExtension->PartitionLength.QuadPart = 0ULL;
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DPRINT1("Deleting partition %lu\n",
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DiskData->PartitionNumber);
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}
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}
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/* Traverse partiton list and create new partiton devices */
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PartitionOrdinal = 0;
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for (i = 0; i < PartitionCount; i++)
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{
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/* Get current partition entry */
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PartitionEntry = &PartitionList->PartitionEntry[i];
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/* Ignore empty (aka unused) or extended partitions */
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if (PartitionEntry->PartitionType == PARTITION_ENTRY_UNUSED ||
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IsContainerPartition (PartitionEntry->PartitionType))
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continue;
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PartitionOrdinal++;
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/* Ignore unchanged partition entries */
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if (PartitionEntry->RewritePartition == FALSE)
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continue;
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/* Check for an unused device object */
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PartitionNumber = 0;
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DeviceExtension = DiskDeviceExtension;
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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while (TRUE)
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{
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DeviceExtension = DiskData->NextPartition;
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if (DeviceExtension == NULL)
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break;
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/* Get partition disk data */
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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/* Found a free (unused) partition (device object) */
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if (DeviceExtension->PartitionLength.QuadPart == 0ULL)
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{
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PartitionNumber = DiskData->PartitionNumber;
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break;
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}
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}
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if (PartitionNumber == 0)
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{
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/* Create a new partition device object */
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DPRINT1("Create new partition device object\n");
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/* Get new partiton number */
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LastPartitionNumber++;
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PartitionNumber = LastPartitionNumber;
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/* Create partition device object */
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swprintf(NameBuffer,
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L"\\Device\\Harddisk%lu\\Partition%lu",
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DiskDeviceExtension->DeviceNumber,
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PartitionNumber);
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RtlInitUnicodeString(&DeviceName,
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NameBuffer);
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Status = IoCreateDevice(DiskDeviceObject->DriverObject,
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sizeof(DEVICE_EXTENSION) + sizeof(DISK_DATA),
|
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&DeviceName,
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FILE_DEVICE_DISK,
|
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0,
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FALSE,
|
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&DeviceObject);
|
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("IoCreateDevice() failed (Status %lx)\n", Status);
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continue;
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}
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|
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DeviceObject->Flags |= DO_DIRECT_IO;
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DeviceObject->StackSize = DiskDeviceObject->StackSize;
|
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DeviceObject->Characteristics = DiskDeviceObject->Characteristics;
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DeviceObject->AlignmentRequirement = DiskDeviceObject->AlignmentRequirement;
|
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|
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/* Initialize device extension */
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DeviceExtension = DeviceObject->DeviceExtension;
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RtlCopyMemory(DeviceExtension,
|
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DiskDeviceObject->DeviceExtension,
|
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sizeof(DEVICE_EXTENSION));
|
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DeviceExtension->DeviceObject = DeviceObject;
|
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|
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/* Initialize lookaside list for SRBs */
|
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ScsiClassInitializeSrbLookasideList(DeviceExtension,
|
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8);
|
||||
|
||||
/* Link current partition device extension to previous disk data */
|
||||
DiskData->NextPartition = DeviceExtension;
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
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DiskData->NextPartition = NULL;
|
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}
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else
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{
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/* Reuse an existing partition device object */
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DPRINT1("Reuse an exisiting partition device object\n");
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DiskData = (PDISK_DATA)(DeviceExtension + 1);
|
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}
|
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|
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/* Update partition data and device extension */
|
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DiskData->PartitionNumber = PartitionNumber;
|
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DiskData->PartitionOrdinal = PartitionOrdinal;
|
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DiskData->PartitionType = PartitionEntry->PartitionType;
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DiskData->BootIndicator = PartitionEntry->BootIndicator;
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DiskData->HiddenSectors = PartitionEntry->HiddenSectors;
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DeviceExtension->StartingOffset = PartitionEntry->StartingOffset;
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DeviceExtension->PartitionLength = PartitionEntry->PartitionLength;
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/* Update partition number in the partition list */
|
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PartitionEntry->PartitionNumber = PartitionNumber;
|
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|
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DPRINT1("Partition ordinal %lu was assigned to partition %lu\n",
|
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DiskData->PartitionOrdinal,
|
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DiskData->PartitionNumber);
|
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}
|
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}
|
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|
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/* EOF */
|
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|
|
|
|||
|
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@ -1,250 +0,0 @@
|
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//
|
||||
// IDE.H - defines and typedefs for the IDE Driver module.
|
||||
//
|
||||
|
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#ifndef __IDE_H
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#define __IDE_H
|
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|
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#ifdef __cplusplus
|
||||
extern "C" {
|
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#endif
|
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|
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#define IDE_MAXIMUM_DEVICES 8
|
||||
|
||||
#define IDE_MAX_NAME_LENGTH 50
|
||||
|
||||
#define IDE_SECTOR_BUF_SZ 512
|
||||
#define IDE_MAX_SECTORS_PER_XFER 256
|
||||
#define IDE_MAX_RESET_RETRIES 10000
|
||||
#define IDE_MAX_POLL_RETRIES 100000
|
||||
#define IDE_MAX_WRITE_RETRIES 1000
|
||||
#define IDE_MAX_BUSY_RETRIES 100
|
||||
//#define IDE_MAX_BUSY_RETRIES 100000
|
||||
#define IDE_MAX_DRQ_RETRIES 10000
|
||||
//#define IDE_MAX_CMD_RETRIES 1
|
||||
#define IDE_MAX_CMD_RETRIES 0
|
||||
#define IDE_CMD_TIMEOUT 5
|
||||
#define IDE_RESET_PULSE_LENGTH 500 /* maybe a little too long */
|
||||
#define IDE_RESET_BUSY_TIMEOUT 31
|
||||
#define IDE_RESET_DRDY_TIMEOUT 120
|
||||
|
||||
// Control Block offsets and masks
|
||||
#define IDE_REG_ALT_STATUS 0x0000
|
||||
#define IDE_REG_DEV_CNTRL 0x0000 /* device control register */
|
||||
#define IDE_DC_SRST 0x04 /* drive reset (both drives) */
|
||||
#define IDE_DC_nIEN 0x02 /* IRQ enable (active low) */
|
||||
#define IDE_REG_DRV_ADDR 0x0001
|
||||
|
||||
// Command Block offsets and masks
|
||||
#define IDE_REG_DATA_PORT 0x0000
|
||||
#define IDE_REG_ERROR 0x0001 /* error register */
|
||||
#define IDE_ER_AMNF 0x01 /* addr mark not found */
|
||||
#define IDE_ER_TK0NF 0x02 /* track 0 not found */
|
||||
#define IDE_ER_ABRT 0x04 /* command aborted */
|
||||
#define IDE_ER_MCR 0x08 /* media change requested */
|
||||
#define IDE_ER_IDNF 0x10 /* ID not found */
|
||||
#define IDE_ER_MC 0x20 /* Media changed */
|
||||
#define IDE_ER_UNC 0x40 /* Uncorrectable data error */
|
||||
#define IDE_REG_PRECOMP 0x0001
|
||||
#define IDE_REG_SECTOR_CNT 0x0002
|
||||
#define IDE_REG_SECTOR_NUM 0x0003
|
||||
#define IDE_REG_CYL_LOW 0x0004
|
||||
#define IDE_REG_CYL_HIGH 0x0005
|
||||
#define IDE_REG_DRV_HEAD 0x0006
|
||||
#define IDE_DH_FIXED 0xA0
|
||||
#define IDE_DH_LBA 0x40
|
||||
#define IDE_DH_HDMASK 0x0F
|
||||
#define IDE_DH_DRV0 0x00
|
||||
#define IDE_DH_DRV1 0x10
|
||||
#define IDE_REG_STATUS 0x0007
|
||||
#define IDE_SR_BUSY 0x80
|
||||
#define IDE_SR_DRDY 0x40
|
||||
#define IDE_SR_DRQ 0x08
|
||||
#define IDE_SR_ERR 0x01
|
||||
#define IDE_REG_COMMAND 0x0007
|
||||
#define IDE_CMD_READ 0x20
|
||||
#define IDE_CMD_READ_RETRY 0x21
|
||||
#define IDE_CMD_WRITE 0x30
|
||||
#define IDE_CMD_WRITE_RETRY 0x31
|
||||
#define IDE_CMD_IDENT_DRV 0xEC
|
||||
|
||||
//
|
||||
// Access macros for command registers
|
||||
// Each macro takes an address of the command port block, and data
|
||||
//
|
||||
#define IDEReadError(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_ERROR)))
|
||||
#define IDEWritePrecomp(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_PRECOMP), (Data)))
|
||||
#define IDEReadSectorCount(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_CNT)))
|
||||
#define IDEWriteSectorCount(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_CNT), (Data)))
|
||||
#define IDEReadSectorNum(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_NUM)))
|
||||
#define IDEWriteSectorNum(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_SECTOR_NUM), (Data)))
|
||||
#define IDEReadCylinderLow(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_LOW)))
|
||||
#define IDEWriteCylinderLow(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_LOW), (Data)))
|
||||
#define IDEReadCylinderHigh(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_HIGH)))
|
||||
#define IDEWriteCylinderHigh(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_CYL_HIGH), (Data)))
|
||||
#define IDEReadDriveHead(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DRV_HEAD)))
|
||||
#define IDEWriteDriveHead(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DRV_HEAD), (Data)))
|
||||
#define IDEReadStatus(Address) \
|
||||
(READ_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_STATUS)))
|
||||
#define IDEWriteCommand(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_COMMAND), (Data)))
|
||||
|
||||
|
||||
//
|
||||
// Data block read and write commands
|
||||
//
|
||||
#define IDEReadBlock(Address, Buffer, Count) \
|
||||
(READ_PORT_BUFFER_USHORT((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2))
|
||||
#define IDEWriteBlock(Address, Buffer, Count) \
|
||||
(WRITE_PORT_BUFFER_USHORT((PUSHORT)((Address) + IDE_REG_DATA_PORT), (PUSHORT)(Buffer), (Count) / 2))
|
||||
|
||||
//
|
||||
// Access macros for control registers
|
||||
// Each macro takes an address of the control port blank and data
|
||||
//
|
||||
#define IDEWriteDriveControl(Address, Data) \
|
||||
(WRITE_PORT_UCHAR((PUCHAR)((Address) + IDE_REG_DEV_CNTRL), (Data)))
|
||||
|
||||
// IDE_DEVICE_EXTENSION
|
||||
//
|
||||
// DESCRIPTION:
|
||||
// Extension to be placed in each device object
|
||||
//
|
||||
// ACCESS:
|
||||
// Allocated from NON-PAGED POOL
|
||||
// Available at any IRQL
|
||||
//
|
||||
|
||||
typedef struct _IDE_DEVICE_EXTENSION {
|
||||
PDEVICE_OBJECT DeviceObject;
|
||||
PCONTROLLER_OBJECT ControllerObject;
|
||||
struct _IDE_DEVICE_EXTESION *DiskExtension;
|
||||
int UnitNumber;
|
||||
BOOLEAN LBASupported;
|
||||
BOOLEAN DMASupported;
|
||||
int BytesPerSector;
|
||||
int LogicalHeads;
|
||||
int SectorsPerLogCyl;
|
||||
int SectorsPerLogTrk;
|
||||
int Offset;
|
||||
int Size;
|
||||
|
||||
int Operation;
|
||||
ULONG BytesRequested;
|
||||
ULONG BytesToTransfer;
|
||||
ULONG BytesRemaining;
|
||||
ULONG StartingSector;
|
||||
int SectorsTransferred;
|
||||
BYTE *TargetAddress;
|
||||
|
||||
} IDE_DEVICE_EXTENSION, *PIDE_DEVICE_EXTENSION;
|
||||
|
||||
// IDE_TIMER_STATES
|
||||
//
|
||||
// DESCRIPTION:
|
||||
// An enumeration containing the states in the timer DFA
|
||||
//
|
||||
|
||||
typedef enum _IDE_TIMER_STATES {
|
||||
IDETimerIdle,
|
||||
IDETimerCmdWait,
|
||||
IDETimerResetWaitForBusyNegate,
|
||||
IDETimerResetWaitForDrdyAssert
|
||||
} IDE_TIMER_STATES;
|
||||
|
||||
// IDE_CONTROLLER_EXTENSION
|
||||
//
|
||||
// DESCRIPTION:
|
||||
// Driver-defined structure used to hold miscellaneous controller information.
|
||||
//
|
||||
// ACCESS:
|
||||
// Allocated from NON-PAGED POOL
|
||||
// Available at any IRQL
|
||||
//
|
||||
|
||||
typedef struct _IDE_CONTROLLER_EXTENSION {
|
||||
KSPIN_LOCK SpinLock;
|
||||
int Number;
|
||||
int Vector;
|
||||
int CommandPortBase;
|
||||
int ControlPortBase;
|
||||
BOOLEAN DMASupported;
|
||||
BOOLEAN ControllerInterruptBug;
|
||||
PKINTERRUPT Interrupt;
|
||||
|
||||
BOOLEAN OperationInProgress;
|
||||
BYTE DeviceStatus;
|
||||
PIDE_DEVICE_EXTENSION DeviceForOperation;
|
||||
PIRP CurrentIrp;
|
||||
int Retries;
|
||||
|
||||
IDE_TIMER_STATES TimerState;
|
||||
LONG TimerCount;
|
||||
PDEVICE_OBJECT TimerDevice;
|
||||
|
||||
} IDE_CONTROLLER_EXTENSION, *PIDE_CONTROLLER_EXTENSION;
|
||||
|
||||
// IDE_DRIVE_IDENTIFY
|
||||
|
||||
typedef struct _IDE_DRIVE_IDENTIFY {
|
||||
WORD ConfigBits; /*00*/
|
||||
WORD LogicalCyls; /*01*/
|
||||
WORD Reserved02; /*02*/
|
||||
WORD LogicalHeads; /*03*/
|
||||
WORD BytesPerTrack; /*04*/
|
||||
WORD BytesPerSector; /*05*/
|
||||
WORD SectorsPerTrack; /*06*/
|
||||
BYTE InterSectorGap; /*07*/
|
||||
BYTE InterSectorGapSize;
|
||||
BYTE Reserved08H; /*08*/
|
||||
BYTE BytesInPLO;
|
||||
WORD VendorUniqueCnt; /*09*/
|
||||
char SerialNumber[20]; /*10*/
|
||||
WORD ControllerType; /*20*/
|
||||
WORD BufferSize; /*21*/
|
||||
WORD ECCByteCnt; /*22*/
|
||||
char FirmwareRev[8]; /*23*/
|
||||
char ModelNumber[40]; /*27*/
|
||||
WORD RWMultImplemented; /*47*/
|
||||
WORD Reserved48; /*48*/
|
||||
WORD Capabilities; /*49*/
|
||||
#define IDE_DRID_STBY_SUPPORTED 0x2000
|
||||
#define IDE_DRID_IORDY_SUPPORTED 0x0800
|
||||
#define IDE_DRID_IORDY_DISABLE 0x0400
|
||||
#define IDE_DRID_LBA_SUPPORTED 0x0200
|
||||
#define IDE_DRID_DMA_SUPPORTED 0x0100
|
||||
WORD Reserved50; /*50*/
|
||||
WORD MinPIOTransTime; /*51*/
|
||||
WORD MinDMATransTime; /*52*/
|
||||
WORD TMFieldsValid; /*53*/
|
||||
WORD TMCylinders; /*54*/
|
||||
WORD TMHeads; /*55*/
|
||||
WORD TMSectorsPerTrk; /*56*/
|
||||
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;
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __IDE_H */
|
||||
|
||||
|
||||
|
|
@ -1,41 +0,0 @@
|
|||
/**
|
||||
*** Partition.h - defines and structs for harddrive partition info
|
||||
***
|
||||
*** 05/30/98 RJJ Created
|
||||
**/
|
||||
|
||||
#ifndef __PARTITION_H
|
||||
#define __PARTITION_H
|
||||
|
||||
#define PARTITION_MAGIC 0xaa55
|
||||
#define PART_MAGIC_OFFSET 0x01fe
|
||||
#define PARTITION_OFFSET 0x01be
|
||||
#define PARTITION_TBL_SIZE 4
|
||||
#define PTCHSToLBA(c, h, s, scnt, hcnt) ((s) & 0x3f) + \
|
||||
(scnt) * ( (h) + (hcnt) * ((c) | (((s) & 0xc0) << 2)))
|
||||
#define PTLBAToCHS(lba, c, h, s, scnt, hcnt) ( \
|
||||
(s) = (lba) % (scnt) + 1, \
|
||||
(lba) /= (scnt), \
|
||||
(h) = (lba) % (hcnt), \
|
||||
(lba) /= (heads), \
|
||||
(c) = (lba) & 0xff, \
|
||||
(s) |= ((lba) >> 2) & 0xc0)
|
||||
|
||||
|
||||
typedef struct Partition {
|
||||
unsigned char BootFlags;
|
||||
unsigned char StartingHead;
|
||||
unsigned char StartingSector;
|
||||
unsigned char StartingCylinder;
|
||||
unsigned char PartitionType;
|
||||
unsigned char EndingHead;
|
||||
unsigned char EndingSector;
|
||||
unsigned char EndingCylinder;
|
||||
unsigned int StartingBlock;
|
||||
unsigned int SectorCount;
|
||||
|
||||
} PARTITION;
|
||||
|
||||
#endif // PARTITION_H
|
||||
|
||||
|
||||
Loading…
Reference in a new issue