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Enabled secondary IDE channel for PCI and ISA bus
Fixed BytesPerSector hack Minor cleanup svn path=/trunk/; revision=2336
This commit is contained in:
Eric Kohl
parent
ae482ce24e
commit
66b3542076
1 changed files with 72 additions and 65 deletions
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@ -1,11 +1,12 @@
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/* $Id: ide.c,v 1.46 2001/11/01 00:28:57 ekohl Exp $
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/* $Id: ide.c,v 1.47 2001/11/01 14:51:57 ekohl Exp $
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*
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* IDE.C - IDE Disk driver
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* written by Rex Jolliff
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* with help from various documentation sources and a few peeks at
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* linux and freebsd sources.
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*
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* This driver supports up to 4 controllers with up to 2 drives each.
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* This driver supports PCI controllers and up to 4 ISA controllers
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* with up to 2 drives each.
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* The device names are assigned as follows:
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* \Devices\HarddiskX\Partition0
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* for the raw device, and
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@ -74,15 +75,12 @@
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#include "ide.h"
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#include "partitio.h"
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#define VERSION "V0.1.4"
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/* remove this to activate the old behaviour of partition chain code (EK) */
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#define PARTITION_FIX
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#define VERSION "V0.1.5"
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// ------------------------------------------------------- File Static Data
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typedef struct _IDE_CONTROLLER_PARAMETERS
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typedef struct _IDE_CONTROLLER_PARAMETERS
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{
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int CommandPortBase;
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int CommandPortSpan;
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@ -167,14 +165,14 @@ static NTSTATUS IDECreatePartitionDevice(IN PDRIVER_OBJECT DriverObject,
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IN ULONG DiskNumber,
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IN PIDE_DRIVE_IDENTIFY DrvParms,
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IN PPARTITION_INFORMATION PartitionInfo);
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static int IDEPolledRead(IN WORD Address,
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IN BYTE PreComp,
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IN BYTE SectorCnt,
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IN BYTE SectorNum ,
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IN BYTE CylinderLow,
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IN BYTE CylinderHigh,
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IN BYTE DrvHead,
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IN BYTE Command,
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static int IDEPolledRead(IN WORD Address,
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IN BYTE PreComp,
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IN BYTE SectorCnt,
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IN BYTE SectorNum,
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IN BYTE CylinderLow,
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IN BYTE CylinderHigh,
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IN BYTE DrvHead,
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IN BYTE Command,
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OUT BYTE *Buffer);
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static NTSTATUS STDCALL IDEDispatchOpenClose(IN PDEVICE_OBJECT pDO, IN PIRP Irp);
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static NTSTATUS STDCALL IDEDispatchReadWrite(IN PDEVICE_OBJECT pDO, IN PIRP Irp);
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@ -189,9 +187,9 @@ static BOOLEAN STDCALL
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IDEStartController(IN OUT PVOID Context);
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VOID IDEBeginControllerReset(PIDE_CONTROLLER_EXTENSION ControllerExtension);
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static BOOLEAN STDCALL IDEIsr(IN PKINTERRUPT Interrupt, IN PVOID ServiceContext);
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static VOID IDEDpcForIsr(IN PKDPC Dpc,
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static VOID IDEDpcForIsr(IN PKDPC Dpc,
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IN PDEVICE_OBJECT DpcDeviceObject,
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IN PIRP DpcIrp,
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IN PIRP DpcIrp,
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IN PVOID DpcContext);
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static VOID IDEFinishOperation(PIDE_CONTROLLER_EXTENSION ControllerExtension);
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static VOID STDCALL IDEIoTimer(PDEVICE_OBJECT DeviceObject, PVOID Context);
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@ -199,13 +197,13 @@ static VOID STDCALL IDEIoTimer(PDEVICE_OBJECT DeviceObject, PVOID Context);
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// ---------------------------------------------------------------- Inlines
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void
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IDESwapBytePairs(char *Buf,
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int Cnt)
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IDESwapBytePairs(char *Buf,
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int Cnt)
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{
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char t;
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int i;
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for (i = 0; i < Cnt; i += 2)
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for (i = 0; i < Cnt; i += 2)
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{
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t = Buf[i];
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Buf[i] = Buf[i+1];
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@ -242,7 +240,7 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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DbgPrint("IDE Driver %s\n", VERSION);
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// Export other driver entry points...
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/* Export other driver entry points... */
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DriverObject->DriverStartIo = IDEStartIo;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = IDEDispatchOpenClose;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = IDEDispatchOpenClose;
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@ -257,7 +255,8 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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{
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IDEInitialized = TRUE;
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}
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return Status;
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return(Status);
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}
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// ---------------------------------------------------- Discardable statics
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@ -353,18 +352,26 @@ IdeFindControllers(IN PDRIVER_OBJECT DriverObject)
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else
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{
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DPRINT("Secondary channel: Compatibility mode\n");
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#if 0
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Status = IdeCreateController(DriverObject,
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&Controllers[1],
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ControllerIdx);
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if (NT_SUCCESS(Status))
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if (ConfigInfo->AtDiskSecondaryAddressClaimed == FALSE)
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{
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ControllerIdx++;
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ConfigInfo->AtDiskSecondaryAddressClaimed = TRUE;
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ConfigInfo->ScsiPortCount++;
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ReturnedStatus = Status;
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Status = IdeCreateController(DriverObject,
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&Controllers[1],
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ControllerIdx);
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if (NT_SUCCESS(Status))
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{
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ControllerIdx++;
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ConfigInfo->AtDiskSecondaryAddressClaimed = TRUE;
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ConfigInfo->ScsiPortCount++;
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ReturnedStatus = Status;
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}
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}
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else
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{
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/*
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* FIXME: Switch controller to native pci mode
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* if it is programmable.
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*/
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}
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#endif
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}
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if (PciConfig.ProgIf & 0x08)
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{
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@ -415,7 +422,7 @@ IdeFindControllers(IN PDRIVER_OBJECT DriverObject)
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}
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}
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#if 0
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/* Search for ISA IDE controller if no secondary controller was found */
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if (ConfigInfo->AtDiskSecondaryAddressClaimed == FALSE)
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{
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DPRINT("Searching for secondary ISA IDE controller!\n");
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@ -436,7 +443,6 @@ IdeFindControllers(IN PDRIVER_OBJECT DriverObject)
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}
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}
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}
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#endif
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DPRINT("IdeFindControllers() done!\n");
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@ -592,12 +598,12 @@ IDEResetController(IN WORD CommandPort,
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}
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KeStallExecutionProcessor(10);
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}
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CHECKPOINT;
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CHECKPOINT;
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if (Retries >= IDE_RESET_BUSY_TIMEOUT * 1000)
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{
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return FALSE;
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}
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CHECKPOINT;
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CHECKPOINT;
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// return TRUE if controller came back to life. and
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// the registers are initialized correctly
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return IDEReadError(CommandPort) == 1;
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@ -650,7 +656,7 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
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PPARTITION_INFORMATION PartitionEntry;
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ULONG i;
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// Copy I/O port offsets for convenience
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/* Copy I/O port offsets for convenience */
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CommandPort = ControllerExtension->CommandPortBase;
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// ControlPort = ControllerExtension->ControlPortBase;
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DPRINT("probing IDE controller %d Addr %04lx Drive %d\n",
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@ -661,11 +667,10 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
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/* Get the Drive Identification Data */
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if (!IDEGetDriveIdentification(CommandPort, DriveIdx, &DrvParms))
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{
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CHECKPOINT1;
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DbgPrint("Giving up on drive %d on controller %d...\n",
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DbgPrint("No ATA drive %d found on controller %d...\n",
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DriveIdx,
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ControllerExtension->Number);
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return FALSE;
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return(FALSE);
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}
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/* Create the harddisk device directory */
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@ -683,7 +688,7 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
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if (!NT_SUCCESS(Status))
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{
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DbgPrint("Could not create device dir object\n");
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return FALSE;
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return(FALSE);
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}
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/* Create the disk device */
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@ -752,14 +757,14 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
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PartitionEntry->PartitionNumber,
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PartitionEntry->BootIndicator,
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PartitionEntry->PartitionType,
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PartitionEntry->StartingOffset.QuadPart / 512 /*DrvParms.BytesPerSector*/,
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PartitionEntry->PartitionLength.QuadPart / 512 /* DrvParms.BytesPerSector*/);
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PartitionEntry->StartingOffset.QuadPart / DrvParms.BytesPerSector,
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PartitionEntry->PartitionLength.QuadPart / DrvParms.BytesPerSector);
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/* Create device for partition */
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Status = IDECreatePartitionDevice(DriverObject,
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&PartitionDeviceObject,
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ControllerObject,
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DiskDeviceObject->DeviceExtension, //DiskDeviceExtension,
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DiskDeviceObject->DeviceExtension,
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DriveIdx,
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HarddiskIdx,
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&DrvParms,
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@ -794,21 +799,20 @@ IDECreateDevices(IN PDRIVER_OBJECT DriverObject,
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// TRUE The drive identification block was retrieved successfully
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//
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BOOLEAN
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static BOOLEAN
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IDEGetDriveIdentification(IN int CommandPort,
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IN int DriveNum,
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OUT PIDE_DRIVE_IDENTIFY DrvParms)
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{
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// Get the Drive Identify block from drive or die
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/* Get the Drive Identify block from drive or die */
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if (IDEPolledRead(CommandPort, 0, 0, 0, 0, 0, (DriveNum ? IDE_DH_DRV1 : 0),
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IDE_CMD_IDENT_DRV, (BYTE *)DrvParms) != 0)
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{
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CHECKPOINT1;
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return FALSE;
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}
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// Report on drive parameters if debug mode
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/* Report on drive parameters if debug mode */
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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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@ -845,9 +849,15 @@ IDEGetDriveIdentification(IN int CommandPort,
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DrvParms->TMSectorCountLo,
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(ULONG)((DrvParms->TMSectorCountHi << 16) + DrvParms->TMSectorCountLo));
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/*
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* Fix default ATA sector size.
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* Attention: Default ATAPI sector size is 2048 bytes!!
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*/
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if (DrvParms->BytesPerSector == 0)
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DrvParms->BytesPerSector = 512;
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DPRINT("BytesPerSector %d\n", DrvParms->BytesPerSector);
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DrvParms->BytesPerSector = 512; /* FIXME !!!*/
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return TRUE;
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return(TRUE);
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}
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@ -890,14 +900,14 @@ IDECreateDiskDevice(IN PDRIVER_OBJECT DriverObject,
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NTSTATUS RC;
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PIDE_DEVICE_EXTENSION DeviceExtension;
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// Create a unicode device name
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/* Create a unicode device name */
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swprintf(NameBuffer,
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L"\\Device\\Harddisk%d\\Partition0",
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DiskNumber);
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RtlInitUnicodeString(&DeviceName,
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NameBuffer);
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// Create the device
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/* Create the device */
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RC = IoCreateDevice(DriverObject,
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sizeof(IDE_DEVICE_EXTENSION),
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&DeviceName,
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@ -907,15 +917,15 @@ IDECreateDiskDevice(IN PDRIVER_OBJECT DriverObject,
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DeviceObject);
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if (!NT_SUCCESS(RC))
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{
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DbgPrint ("IoCreateDevice call failed\n");
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return RC;
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DbgPrint("IoCreateDevice call failed\n");
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return(RC);
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}
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// Set the buffering strategy here...
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/* Set the buffering strategy here... */
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(*DeviceObject)->Flags |= DO_DIRECT_IO;
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(*DeviceObject)->AlignmentRequirement = FILE_WORD_ALIGNMENT;
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// Fill out Device extension data
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/* Fill out Device extension data */
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DeviceExtension = (PIDE_DEVICE_EXTENSION) (*DeviceObject)->DeviceExtension;
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DeviceExtension->DeviceObject = (*DeviceObject);
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DeviceExtension->ControllerObject = ControllerObject;
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@ -925,10 +935,9 @@ IDECreateDiskDevice(IN PDRIVER_OBJECT DriverObject,
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(DrvParms->Capabilities & IDE_DRID_LBA_SUPPORTED) ? 1 : 0;
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DeviceExtension->DMASupported =
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(DrvParms->Capabilities & IDE_DRID_DMA_SUPPORTED) ? 1 : 0;
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// FIXME: deal with bizarre sector sizes
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DeviceExtension->BytesPerSector = 512 /* DrvParms->BytesPerSector */;
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DeviceExtension->SectorsPerLogCyl = DrvParms->LogicalHeads *
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DrvParms->SectorsPerTrack;
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DeviceExtension->BytesPerSector = DrvParms->BytesPerSector;
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DeviceExtension->SectorsPerLogCyl =
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DrvParms->LogicalHeads * DrvParms->SectorsPerTrack;
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DeviceExtension->SectorsPerLogTrk = DrvParms->SectorsPerTrack;
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DeviceExtension->LogicalHeads = DrvParms->LogicalHeads;
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DeviceExtension->LogicalCylinders =
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@ -1118,7 +1127,6 @@ IDEPolledRead(IN WORD Address,
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{
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Status = IDEReadStatus(Address);
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if (!(Status & IDE_SR_BUSY) && !(Status & IDE_SR_DRQ))
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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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@ -1144,7 +1152,6 @@ IDEPolledRead(IN WORD Address,
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}
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if (RetryCount == IDE_MAX_BUSY_RETRIES)
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{
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CHECKPOINT1;
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return IDE_ER_ABRT;
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}
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@ -1245,9 +1252,9 @@ IDEPolledRead(IN WORD Address,
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// NTSTATUS
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//
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static NTSTATUS
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STDCALL IDEDispatchOpenClose(IN PDEVICE_OBJECT pDO,
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IN PIRP Irp)
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static NTSTATUS STDCALL
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IDEDispatchOpenClose(IN PDEVICE_OBJECT pDO,
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IN PIRP Irp)
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{
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = FILE_OPENED;
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