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Improved recognition of ATAPI devices.
Minor cleanup. svn path=/trunk/; revision=2683
This commit is contained in:
Eric Kohl
parent
9ccb920754
commit
c309738334
2 changed files with 287 additions and 165 deletions
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@ -1,4 +1,22 @@
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/* $Id: atapi.c,v 1.10 2002/03/05 00:05:28 ekohl Exp $
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/*
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* ReactOS kernel
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* Copyright (C) 2001, 2002 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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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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: atapi.c,v 1.11 2002/03/08 11:58:23 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS ATAPI miniport driver
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@ -35,7 +53,7 @@
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#define NDEBUG
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#include <debug.h>
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#define VERSION "V0.0.1"
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#define VERSION "0.0.1"
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// ------------------------------------------------------- File Static Data
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@ -200,27 +218,6 @@ IDESwapBytePairs(char *Buf,
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}
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static BOOLEAN
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IdeFindDrive(int Address,
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int DriveIdx)
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{
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ULONG Cyl;
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DPRINT1("IdeFindDrive(Address %lx DriveIdx %lu) called!\n", Address, DriveIdx);
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IDEWriteDriveHead(Address, IDE_DH_FIXED | (DriveIdx ? IDE_DH_DRV1 : 0));
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IDEWriteCylinderLow(Address, 0x30);
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Cyl = IDEReadCylinderLow(Address);
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DPRINT1("Cylinder %lx\n", Cyl);
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DPRINT1("IdeFindDrive() done!\n");
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// for(;;);
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return(Cyl == 0x30);
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}
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// ------------------------------------------------------- Public Interface
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// DriverEntry
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@ -320,7 +317,7 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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// statusToReturn = newStatus;
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#endif
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DPRINT1( "Returning from DriverEntry\n" );
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DPRINT( "Returning from DriverEntry\n" );
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return(Status);
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}
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@ -386,17 +383,15 @@ AtapiFindCompatiblePciController(PVOID DeviceExtension,
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// (PciConfig.ProgIf & 0x05) == 0)
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{
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/* both channels are in compatibility mode */
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DPRINT1("Bus %1lu Device %2lu Func %1lu VenID 0x%04hx DevID 0x%04hx\n",
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DPRINT("Bus %1lu Device %2lu Func %1lu VenID 0x%04hx DevID 0x%04hx\n",
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ConfigInfo->SystemIoBusNumber,
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// SlotNumber.u.AsULONG >> 3,
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// SlotNumber.u.AsULONG & 0x07,
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SlotNumber.u.bits.DeviceNumber,
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SlotNumber.u.bits.FunctionNumber,
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PciConfig.VendorID,
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PciConfig.DeviceID);
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DPRINT("ProgIF 0x%02hx\n", PciConfig.ProgIf);
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DPRINT1("Found IDE controller in compatibility mode!\n");
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DPRINT("Found IDE controller in compatibility mode!\n");
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ConfigInfo->NumberOfBuses = 1;
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ConfigInfo->MaximumNumberOfTargets = 2;
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@ -405,7 +400,7 @@ AtapiFindCompatiblePciController(PVOID DeviceExtension,
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if (ConfigInfo->AtdiskPrimaryClaimed == FALSE)
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{
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/* Both channels unclaimed: Claim primary channel */
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DPRINT1("Primary channel!\n");
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DPRINT("Primary channel!\n");
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DevExt->CommandPortBase = 0x01F0;
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DevExt->ControlPortBase = 0x03F6;
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@ -429,7 +424,7 @@ AtapiFindCompatiblePciController(PVOID DeviceExtension,
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else if (ConfigInfo->AtdiskSecondaryClaimed == FALSE)
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{
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/* Primary channel already claimed: claim secondary channel */
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DPRINT1("Secondary channel!\n");
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DPRINT("Secondary channel!\n");
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DevExt->CommandPortBase = 0x0170;
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DevExt->ControlPortBase = 0x0376;
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@ -542,7 +537,7 @@ AtapiStartIo(IN PVOID DeviceExtension,
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PATAPI_MINIPORT_EXTENSION DevExt;
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ULONG Result;
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DPRINT1("AtapiStartIo() called\n");
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DPRINT("AtapiStartIo() called\n");
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DevExt = (PATAPI_MINIPORT_EXTENSION)DeviceExtension;
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@ -581,10 +576,10 @@ AtapiStartIo(IN PVOID DeviceExtension,
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}
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else
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{
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DPRINT1("SrbStatus = SRB_STATUS_PENDING\n");
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DPRINT("SrbStatus = SRB_STATUS_PENDING\n");
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}
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DPRINT1("AtapiStartIo() done\n");
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DPRINT("AtapiStartIo() done\n");
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return(TRUE);
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}
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@ -777,13 +772,7 @@ AtapiInterrupt(IN PVOID DeviceExtension)
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ControllerExtension);
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#endif
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}
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else if (IsLastBlock)
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{
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#if 0
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/* Else more data is needed, setup next device I/O */
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IDEStartController((PVOID)DeviceExtension);
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#endif
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}
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if (IsLastBlock)
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{
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@ -811,6 +800,28 @@ AtapiInterrupt(IN PVOID DeviceExtension)
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// ---------------------------------------------------- Discardable statics
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/**********************************************************************
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* NAME INTERNAL
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* AtapiFindDevices
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*
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* DESCRIPTION
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* Searches for devices on the given port.
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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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* DeviceExtension
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* Port device specific information.
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*
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* ConfigInfo
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* Port configuration information.
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*
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* RETURN VALUE
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* TRUE: At least one device is attached to the port.
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* FALSE: No device is attached to the port.
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*/
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static BOOLEAN
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AtapiFindDevices(PATAPI_MINIPORT_EXTENSION DeviceExtension,
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PPORT_CONFIGURATION_INFORMATION ConfigInfo)
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@ -1022,32 +1033,32 @@ AtapiIdentifyDevice(IN ULONG CommandPort,
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IDESwapBytePairs(DrvParms->SerialNumber, 20);
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IDESwapBytePairs(DrvParms->FirmwareRev, 8);
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IDESwapBytePairs(DrvParms->ModelNumber, 40);
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DPRINT("Config:%04x Cyls:%5d Heads:%2d Sectors/Track:%3d Gaps:%02d %02d\n",
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DrvParms->ConfigBits,
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DrvParms->LogicalCyls,
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DrvParms->LogicalHeads,
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DrvParms->SectorsPerTrack,
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DrvParms->InterSectorGap,
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DPRINT("Config:%04x Cyls:%5d Heads:%2d Sectors/Track:%3d Gaps:%02d %02d\n",
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DrvParms->ConfigBits,
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DrvParms->LogicalCyls,
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DrvParms->LogicalHeads,
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DrvParms->SectorsPerTrack,
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DrvParms->InterSectorGap,
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DrvParms->InterSectorGapSize);
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DPRINT("Bytes/PLO:%3d Vendor Cnt:%2d Serial number:[%.20s]\n",
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DrvParms->BytesInPLO,
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DrvParms->VendorUniqueCnt,
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DPRINT("Bytes/PLO:%3d Vendor Cnt:%2d Serial number:[%.20s]\n",
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DrvParms->BytesInPLO,
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DrvParms->VendorUniqueCnt,
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DrvParms->SerialNumber);
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DPRINT("Cntlr type:%2d BufSiz:%5d ECC bytes:%3d Firmware Rev:[%.8s]\n",
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DrvParms->ControllerType,
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DrvParms->BufferSize * IDE_SECTOR_BUF_SZ,
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DrvParms->ECCByteCnt,
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DPRINT("Cntlr type:%2d BufSiz:%5d ECC bytes:%3d Firmware Rev:[%.8s]\n",
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DrvParms->ControllerType,
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DrvParms->BufferSize * IDE_SECTOR_BUF_SZ,
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DrvParms->ECCByteCnt,
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DrvParms->FirmwareRev);
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DPRINT("Model:[%.40s]\n", DrvParms->ModelNumber);
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DPRINT("RWMult?:%02x LBA:%d DMA:%d MinPIO:%d ns MinDMA:%d ns\n",
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(DrvParms->RWMultImplemented) & 0xff,
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DPRINT("RWMult?:%02x LBA:%d DMA:%d MinPIO:%d ns MinDMA:%d ns\n",
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(DrvParms->RWMultImplemented) & 0xff,
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(DrvParms->Capabilities & IDE_DRID_LBA_SUPPORTED) ? 1 : 0,
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(DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0,
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(DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0,
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DrvParms->MinPIOTransTime,
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DrvParms->MinDMATransTime);
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DPRINT("TM:Cyls:%d Heads:%d Sectors/Trk:%d Capacity:%ld\n",
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DrvParms->TMCylinders,
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DrvParms->TMHeads,
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DrvParms->TMCylinders,
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DrvParms->TMHeads,
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DrvParms->TMSectorsPerTrk,
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(ULONG)(DrvParms->TMCapacityLo + (DrvParms->TMCapacityHi << 16)));
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DPRINT("TM:SectorCount: 0x%04x%04x = %lu\n",
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@ -1261,9 +1272,204 @@ static ULONG
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AtapiSendAtapiCommand(IN PATAPI_MINIPORT_EXTENSION DeviceExtension,
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IN PSCSI_REQUEST_BLOCK Srb)
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{
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DPRINT1("AtapiSendAtapiComamnd() called!\n");
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DPRINT1("Not implemented yet!\n");
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return(SRB_STATUS_SELECTION_TIMEOUT);
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#if 0
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// PIDE_DRIVE_IDENTIFY DeviceParams;
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// ULONG StartingSector,i;
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// ULONG SectorCount;
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UCHAR ByteCountHigh;
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UCHAR ByteCountLow;
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// UCHAR DrvHead;
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// UCHAR SectorNumber;
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// UCHAR Command;
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ULONG Retries;
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UCHAR Status;
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DPRINT1("AtapiSendAtapiCommand() called!\n");
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if ((Srb->PathId != 0) ||
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(Srb->TargetId > 1) ||
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(Srb->Lun != 0) ||
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(DeviceExtension->DevicePresent[Srb->TargetId] == FALSE))
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{
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return(SRB_STATUS_SELECTION_TIMEOUT);
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}
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DPRINT1("AtapiSendAtapiCommand(): TargetId: %lu\n",
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Srb->TargetId);
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/* Set pointer to data buffer. */
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DeviceExtension->DataBuffer = (PUSHORT)Srb->DataBuffer;
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DeviceExtension->CurrentSrb = Srb;
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DeviceExtension->ExpectingInterrupt = TRUE;
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/* wait for BUSY to clear */
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for (Retries = 0; Retries < IDE_MAX_BUSY_RETRIES; Retries++)
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{
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Status = IDEReadStatus(DeviceExtension->CommandPortBase);
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if (!(Status & IDE_SR_BUSY))
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{
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break;
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}
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ScsiPortStallExecution(10);
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}
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DPRINT("status=%02x\n", Status);
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DPRINT("waited %ld usecs for busy to clear\n", Retries * 10);
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if (Retries >= IDE_MAX_BUSY_RETRIES)
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{
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DPRINT ("Drive is BUSY for too long\n");
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return(SRB_STATUS_BUSY);
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#if 0
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if (++ControllerExtension->Retries > IDE_MAX_CMD_RETRIES)
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{
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DbgPrint ("Max Retries on Drive reset reached, returning failure\n");
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Irp = ControllerExtension->CurrentIrp;
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Irp->IoStatus.Status = STATUS_DISK_OPERATION_FAILED;
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Irp->IoStatus.Information = 0;
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return FALSE;
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}
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else
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{
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DPRINT ("Beginning drive reset sequence\n");
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IDEBeginControllerReset(ControllerExtension);
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return TRUE;
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}
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#endif
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}
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/* Select the desired drive */
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IDEWriteDriveHead(DeviceExtension->CommandPortBase,
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IDE_DH_FIXED | (Srb->TargetId ? IDE_DH_DRV1 : 0));
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/* wait for BUSY to clear and DRDY to assert */
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for (Retries = 0; Retries < IDE_MAX_BUSY_RETRIES; Retries++)
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{
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Status = IDEReadStatus(DeviceExtension->CommandPortBase);
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if (!(Status & IDE_SR_BUSY) && (Status & IDE_SR_DRDY))
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{
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break;
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}
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ScsiPortStallExecution(10);
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}
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DPRINT("waited %ld usecs for busy to clear after drive select\n", Retries * 10);
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if (Retries >= IDE_MAX_BUSY_RETRIES)
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{
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DPRINT("Drive is BUSY for too long after drive select\n");
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return(SRB_STATUS_BUSY);
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#if 0
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if (ControllerExtension->Retries++ > IDE_MAX_CMD_RETRIES)
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{
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DbgPrint ("Max Retries on Drive reset reached, returning failure\n");
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Irp = ControllerExtension->CurrentIrp;
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Irp->IoStatus.Status = STATUS_DISK_OPERATION_FAILED;
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Irp->IoStatus.Information = 0;
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return FALSE;
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}
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else
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{
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DPRINT("Beginning drive reset sequence\n");
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IDEBeginControllerReset(ControllerExtension);
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return TRUE;
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}
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#endif
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}
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ByteCountLow = (UCHAR)(Srb->DataTransferLength & 0xFF);
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ByteCountHigh = (UCHAR)(Srb->DataTransferLength >> 8);
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IDEWriteCylinderHigh(DeviceExtension->CommandPortBase, ByteCountHigh);
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IDEWriteCylinderLow(DeviceExtension->CommandPortBase, ByteCountLow);
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// IDEWriteDriveHead(DeviceExtension->CommandPortBase, IDE_DH_FIXED | DrvHead);
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/* Issue command to drive */
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IDEWriteCommand(DeviceExtension->CommandPortBase, 0xA0); /* Packet command */
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/* wait for DRQ to assert */
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for (Retries = 0; Retries < IDE_MAX_BUSY_RETRIES; Retries++)
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{
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Status = IDEReadStatus(DeviceExtension->CommandPortBase);
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if ((Status & IDE_SR_DRQ))
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{
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break;
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}
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ScsiPortStallExecution(10);
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}
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IDEWriteBlock(DeviceExtension->CommandPortBase,
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(PUSHORT)Srb->Cdb,
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12);
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DPRINT1("AtapiSendAtapiCommand() done\n");
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return(SRB_STATUS_PENDING);
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#endif
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//#if 0
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ULONG SrbStatus = SRB_STATUS_SELECTION_TIMEOUT;
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DPRINT("AtapiSendAtapiCommand() called!\n");
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switch (Srb->Cdb[0])
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{
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case SCSIOP_INQUIRY:
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DPRINT(" SCSIOP_INQUIRY\n");
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SrbStatus = AtapiInquiry(DeviceExtension,
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Srb);
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break;
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case SCSIOP_READ_CAPACITY:
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DPRINT1(" SCSIOP_READ_CAPACITY\n");
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break;
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case SCSIOP_READ:
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DPRINT1(" SCSIOP_READ\n");
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break;
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case SCSIOP_WRITE:
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DPRINT1(" SCSIOP_WRITE\n");
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break;
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case SCSIOP_MODE_SENSE:
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DPRINT1(" SCSIOP_MODE_SENSE\n");
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break;
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case SCSIOP_TEST_UNIT_READY:
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DPRINT1(" SCSIOP_TEST_UNIT_READY\n");
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break;
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case SCSIOP_VERIFY:
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DPRINT1(" SCSIOP_VERIFY\n");
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break;
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case SCSIOP_START_STOP_UNIT:
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DPRINT1(" SCSIOP_START_STOP_UNIT\n");
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break;
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case SCSIOP_REQUEST_SENSE:
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DPRINT1(" SCSIOP_REQUEST_SENSE\n");
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break;
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default:
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DbgPrint("AtapiSendIdeCommand():unknown command %x\n",
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Srb->Cdb[0]);
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break;
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}
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if (SrbStatus == SRB_STATUS_SELECTION_TIMEOUT)
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{
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DPRINT1("Not implemented yet!\n");
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}
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return(SrbStatus);
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//#endif
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}
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@ -1273,7 +1479,7 @@ AtapiSendIdeCommand(IN PATAPI_MINIPORT_EXTENSION DeviceExtension,
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{
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ULONG SrbStatus = SRB_STATUS_SUCCESS;
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DPRINT1("AtapiSendIdeCommand() called!\n");
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DPRINT("AtapiSendIdeCommand() called!\n");
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DPRINT("PathId: %lu TargetId: %lu Lun: %lu\n",
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Srb->PathId,
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@ -1306,13 +1512,13 @@ AtapiSendIdeCommand(IN PATAPI_MINIPORT_EXTENSION DeviceExtension,
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break;
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default:
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DPRINT1("AtapiSendIdeCommand():unknown command %x\n",
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Srb->Cdb[0]);
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DbgPrint("AtapiSendIdeCommand():unknown command %x\n",
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Srb->Cdb[0]);
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SrbStatus = SRB_STATUS_INVALID_REQUEST;
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break;
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}
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DPRINT1("AtapiSendIdeCommand() done!\n");
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DPRINT("AtapiSendIdeCommand() done!\n");
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return(SrbStatus);
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}
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@ -1326,7 +1532,7 @@ AtapiInquiry(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
PINQUIRYDATA InquiryData;
|
||||
ULONG i;
|
||||
|
||||
DPRINT1("SCSIOP_INQUIRY: TargetId: %lu\n", Srb->TargetId);
|
||||
DPRINT("SCSIOP_INQUIRY: TargetId: %lu\n", Srb->TargetId);
|
||||
|
||||
if ((Srb->PathId != 0) ||
|
||||
(Srb->TargetId > 1) ||
|
||||
|
|
@ -1353,15 +1559,15 @@ AtapiInquiry(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
}
|
||||
else
|
||||
{
|
||||
/* FIXME: this is incorrect use SCSI-INQUIRY command!! */
|
||||
/* cdrom drive */
|
||||
InquiryData->DeviceType = READ_ONLY_DIRECT_ACCESS_DEVICE;
|
||||
/* get it from the ATAPI configuration word */
|
||||
InquiryData->DeviceType = (DeviceParams->ConfigBits >> 8) & 0x1F;
|
||||
DPRINT("Device class: %u\n", InquiryData->DeviceType);
|
||||
}
|
||||
|
||||
DPRINT("ConfigBits: 0x%x\n", DeviceParams->ConfigBits);
|
||||
if (DeviceParams->ConfigBits & 0x80)
|
||||
{
|
||||
DPRINT1("Removable media!\n");
|
||||
DPRINT("Removable media!\n");
|
||||
InquiryData->RemovableMedia = 1;
|
||||
}
|
||||
|
||||
|
|
@ -1398,7 +1604,7 @@ AtapiReadCapacity(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
PIDE_DRIVE_IDENTIFY DeviceParams;
|
||||
ULONG LastSector;
|
||||
|
||||
DPRINT1("SCSIOP_READ_CAPACITY: TargetId: %lu\n", Srb->TargetId);
|
||||
DPRINT("SCSIOP_READ_CAPACITY: TargetId: %lu\n", Srb->TargetId);
|
||||
|
||||
if ((Srb->PathId != 0) ||
|
||||
(Srb->TargetId > 1) ||
|
||||
|
|
@ -1459,7 +1665,7 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
UCHAR Status;
|
||||
|
||||
|
||||
DPRINT1("AtapiReadWrite() called!\n");
|
||||
DPRINT("AtapiReadWrite() called!\n");
|
||||
|
||||
if ((Srb->PathId != 0) ||
|
||||
(Srb->TargetId > 1) ||
|
||||
|
|
@ -1520,7 +1726,7 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
|
||||
if (DrvHead & IDE_DH_LBA)
|
||||
{
|
||||
DPRINT1("%s:BUS=%04x:DRV=%d:LBA=1:BLK=%08d:SC=%02x:CM=%02x\n",
|
||||
DPRINT("%s:BUS=%04x:DRV=%d:LBA=1:BLK=%08d:SC=%02x:CM=%02x\n",
|
||||
(Srb->SrbFlags & SRB_FLAGS_DATA_IN) ? "READ" : "WRITE",
|
||||
DeviceExtension->CommandPortBase,
|
||||
DrvHead & IDE_DH_DRV1 ? 1 : 0,
|
||||
|
|
@ -1531,7 +1737,7 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
}
|
||||
else
|
||||
{
|
||||
DPRINT1("%s:BUS=%04x:DRV=%d:LBA=0:CH=%02x:CL=%02x:HD=%01x:SN=%02x:SC=%02x:CM=%02x\n",
|
||||
DPRINT("%s:BUS=%04x:DRV=%d:LBA=0:CH=%02x:CL=%02x:HD=%01x:SN=%02x:SC=%02x:CM=%02x\n",
|
||||
(Srb->SrbFlags & SRB_FLAGS_DATA_IN) ? "READ" : "WRITE",
|
||||
DeviceExtension->CommandPortBase,
|
||||
DrvHead & IDE_DH_DRV1 ? 1 : 0,
|
||||
|
|
@ -1561,8 +1767,8 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
}
|
||||
ScsiPortStallExecution(10);
|
||||
}
|
||||
DPRINT ("status=%02x\n", Status);
|
||||
DPRINT ("waited %ld usecs for busy to clear\n", Retries * 10);
|
||||
DPRINT("status=%02x\n", Status);
|
||||
DPRINT("waited %ld usecs for busy to clear\n", Retries * 10);
|
||||
if (Retries >= IDE_MAX_BUSY_RETRIES)
|
||||
{
|
||||
DPRINT ("Drive is BUSY for too long\n");
|
||||
|
|
@ -1601,10 +1807,10 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
}
|
||||
ScsiPortStallExecution(10);
|
||||
}
|
||||
DPRINT ("waited %ld usecs for busy to clear after drive select\n", Retries * 10);
|
||||
DPRINT("waited %ld usecs for busy to clear after drive select\n", Retries * 10);
|
||||
if (Retries >= IDE_MAX_BUSY_RETRIES)
|
||||
{
|
||||
DPRINT ("Drive is BUSY for too long after drive select\n");
|
||||
DPRINT("Drive is BUSY for too long after drive select\n");
|
||||
return(SRB_STATUS_BUSY);
|
||||
#if 0
|
||||
if (ControllerExtension->Retries++ > IDE_MAX_CMD_RETRIES)
|
||||
|
|
@ -1618,7 +1824,7 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
}
|
||||
else
|
||||
{
|
||||
DPRINT ("Beginning drive reset sequence\n");
|
||||
DPRINT("Beginning drive reset sequence\n");
|
||||
IDEBeginControllerReset(ControllerExtension);
|
||||
|
||||
return TRUE;
|
||||
|
|
@ -1652,7 +1858,7 @@ AtapiReadWrite(PATAPI_MINIPORT_EXTENSION DeviceExtension,
|
|||
/* FIXME: Write data here! */
|
||||
|
||||
|
||||
DPRINT1("AtapiReadWrite() done!\n");
|
||||
DPRINT("AtapiReadWrite() done!\n");
|
||||
|
||||
/* Wait for interrupt. */
|
||||
return(SRB_STATUS_PENDING);
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
//
|
||||
// IDE.H - defines and typedefs for the IDE Driver module.
|
||||
// ATAPI.H - defines and typedefs for the IDE Driver module.
|
||||
//
|
||||
|
||||
#ifndef __ATAPI_H
|
||||
|
|
@ -118,90 +118,6 @@ extern "C" {
|
|||
#define IDEWriteDriveControl(Address, Data) \
|
||||
(ScsiPortWritePortUchar((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;
|
||||
PARTITION_INFORMATION PartitionInfo;
|
||||
int UnitNumber;
|
||||
BOOLEAN LBASupported;
|
||||
BOOLEAN DMASupported;
|
||||
int BytesPerSector;
|
||||
int LogicalHeads;
|
||||
int LogicalCylinders;
|
||||
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
|
||||
|
|
|
|||
Loading…
Reference in a new issue