/*++ Copyright (C) 1993-99 Microsoft Corporation Module Name: chanfdo.c Abstract: --*/ #include "ideport.h" #ifdef ALLOC_PRAGMA #pragma alloc_text(PAGE, ChannelAddDevice) #pragma alloc_text(PAGE, ChannelAddChannel) #pragma alloc_text(PAGE, ChannelStartDevice) #pragma alloc_text(PAGE, ChannelStartChannel) #pragma alloc_text(PAGE, ChannelCreateSymblicLinks) #pragma alloc_text(PAGE, ChannelDeleteSymblicLinks) #pragma alloc_text(PAGE, ChannelRemoveDevice) #pragma alloc_text(PAGE, ChannelSurpriseRemoveDevice) #pragma alloc_text(PAGE, ChannelStopDevice) #pragma alloc_text(PAGE, ChannelRemoveChannel) #pragma alloc_text(PAGE, ChannelQueryDeviceRelations) #pragma alloc_text(PAGE, ChannelQueryBusRelation) #pragma alloc_text(PAGE, ChannelQueryId) #pragma alloc_text(PAGE, ChannelUsageNotification) #pragma alloc_text(PAGE, DigestResourceList) #pragma alloc_text(PAGE, ChannelQueryBusMasterInterface) #pragma alloc_text(PAGE, ChannelQueryTransferModeInterface) #pragma alloc_text(PAGE, ChannelUnbindBusMasterParent) #pragma alloc_text(PAGE, ChannelQuerySyncAccessInterface) #pragma alloc_text(PAGE, ChannelEnableInterrupt) #pragma alloc_text(PAGE, ChannelDisableInterrupt) #pragma alloc_text(PAGE, ChannelFilterResourceRequirements) #pragma alloc_text(PAGE, ChannelQueryPnPDeviceState) #pragma alloc_text(PAGE, ChannelQueryPcmciaParent) #ifdef IDE_FILTER_PROMISE_TECH_RESOURCES #pragma alloc_text(PAGE, ChannelFilterPromiseTechResourceRequirements) #endif // IDE_FILTER_PROMISE_TECH_RESOURCES #pragma alloc_text(NONPAGE, ChannelDeviceIoControl) #pragma alloc_text(NONPAGE, ChannelRemoveDeviceCompletionRoutine) #pragma alloc_text(NONPAGE, ChannelQueryIdCompletionRoutine) #pragma alloc_text(NONPAGE, ChannelUsageNotificationCompletionRoutine) #pragma alloc_text(NONPAGE, ChannelAcpiTransferModeSelect) #pragma alloc_text(NONPAGE, ChannelRestoreTiming) #pragma alloc_text(NONPAGE, ChannelStartDeviceCompletionRoutine) #endif // ALLOC_PRAGMA static ULONG AtapiNextIdePortNumber = 0; NTSTATUS ChannelAddDevice( IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject ) { PFDO_EXTENSION fdoExtension; return ChannelAddChannel(DriverObject, PhysicalDeviceObject, &fdoExtension); } NTSTATUS ChannelAddChannel( IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject, OUT PFDO_EXTENSION *FdoExtension ) { PDEVICE_OBJECT functionalDeviceObject; PFDO_EXTENSION fdoExtension; PPDO_EXTENSION pdoExtension; PDEVICE_OBJECT childDeviceObject; ULONG deviceExtensionSize; NTSTATUS status; UNICODE_STRING deviceName; WCHAR deviceNameBuffer[64]; PAGED_CODE(); swprintf(deviceNameBuffer, DEVICE_OJBECT_BASE_NAME L"\\IdePort%d", AtapiNextIdePortNumber); RtlInitUnicodeString(&deviceName, deviceNameBuffer); // // We've been given the PhysicalDeviceObject for a IDE controller. Create the // FunctionalDeviceObject. Our FDO will be nameless. // deviceExtensionSize = sizeof(FDO_EXTENSION) + sizeof(HW_DEVICE_EXTENSION); status = IoCreateDevice( DriverObject, // our driver object deviceExtensionSize, // size of our extension &deviceName, // our name FILE_DEVICE_CONTROLLER, // device type FILE_DEVICE_SECURE_OPEN, // device characteristics FALSE, // not exclusive &functionalDeviceObject // store new device object here ); if( !NT_SUCCESS( status )){ return status; } fdoExtension = (PFDO_EXTENSION)functionalDeviceObject->DeviceExtension; RtlZeroMemory (fdoExtension, deviceExtensionSize); fdoExtension->HwDeviceExtension = (PVOID)(fdoExtension + 1); // // We have our FunctionalDeviceObject, initialize it. // fdoExtension->AttacheePdo = PhysicalDeviceObject; fdoExtension->DriverObject = DriverObject; fdoExtension->DeviceObject = functionalDeviceObject; // Dispatch Table fdoExtension->DefaultDispatch = IdePortPassDownToNextDriver; fdoExtension->PnPDispatchTable = FdoPnpDispatchTable; fdoExtension->PowerDispatchTable = FdoPowerDispatchTable; fdoExtension->WmiDispatchTable = FdoWmiDispatchTable; // // Now attach to the PDO we were given. // fdoExtension->AttacheeDeviceObject = IoAttachDeviceToDeviceStack ( functionalDeviceObject, PhysicalDeviceObject ); if (fdoExtension->AttacheeDeviceObject == NULL) { // // Couldn't attach. Delete the FDO. // IoDeleteDevice (functionalDeviceObject); status = STATUS_UNSUCCESSFUL; } else { // // fix up alignment requirement // functionalDeviceObject->AlignmentRequirement = fdoExtension->AttacheeDeviceObject->AlignmentRequirement; if (functionalDeviceObject->AlignmentRequirement < 1) { functionalDeviceObject->AlignmentRequirement = 1; } fdoExtension->IdePortNumber = AtapiNextIdePortNumber; AtapiNextIdePortNumber++; *FdoExtension = fdoExtension; // // Add this to the global FDO list. // IdeAddToFdoList (&IdeGlobalFdoList, fdoExtension); CLRMASK (functionalDeviceObject->Flags, DO_DEVICE_INITIALIZING); } DebugPrint((DBG_PNP, "DeviceObject %x returnd status %x from Addevice\n", PhysicalDeviceObject, status)); return status; } NTSTATUS ChannelStartDevice ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PIO_STACK_LOCATION thisIrpSp; NTSTATUS status; PFDO_EXTENSION fdoExtension; PCM_RESOURCE_LIST resourceList; PCM_FULL_RESOURCE_DESCRIPTOR fullResourceList; PCM_PARTIAL_RESOURCE_LIST partialResourceList; PCM_PARTIAL_RESOURCE_DESCRIPTOR partialDescriptors; ULONG resourceListSize; ULONG i; PCM_RESOURCE_LIST resourceListForKeep = NULL; PIRP newIrp; KEVENT event; IO_STATUS_BLOCK ioStatusBlock; ULONG parentResourceListSize; PCM_RESOURCE_LIST parentResourceList = NULL; thisIrpSp = IoGetCurrentIrpStackLocation( Irp ); fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; ASSERT (!(fdoExtension->FdoState & FDOS_STARTED)); resourceList = thisIrpSp->Parameters.StartDevice.AllocatedResourcesTranslated; // // TEMP CODE for the time without a real PCI driver. // resourceListSize = 0; if (resourceList) { fullResourceList = resourceList->List; for (i=0; iCount; i++) { ULONG partialResourceListSize; partialResourceList = &(fullResourceList->PartialResourceList); partialDescriptors = partialResourceList->PartialDescriptors; partialResourceListSize = 0; for (i=0; iCount; i++) { partialResourceListSize += sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR); if (partialDescriptors[i].Type == CmResourceTypeDeviceSpecific) { partialResourceListSize += partialDescriptors[i].u.DeviceSpecificData.DataSize; } } resourceListSize += partialResourceListSize + FIELD_OFFSET (CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors); fullResourceList = (PCM_FULL_RESOURCE_DESCRIPTOR) (((UCHAR *) fullResourceList) + resourceListSize); } resourceListSize += FIELD_OFFSET (CM_RESOURCE_LIST, List); } parentResourceListSize = sizeof (CM_RESOURCE_LIST) - sizeof (CM_FULL_RESOURCE_DESCRIPTOR) + FULL_RESOURCE_LIST_SIZE(3); // primary IO (2) + IRQ parentResourceList = ExAllocatePool (PagedPool, parentResourceListSize); if (!parentResourceList) { status = STATUS_INSUFFICIENT_RESOURCES; goto GetOut; } RtlZeroMemory (parentResourceList, parentResourceListSize); KeInitializeEvent(&event, NotificationEvent, FALSE); newIrp = IoBuildDeviceIoControlRequest ( IOCTL_IDE_GET_RESOURCES_ALLOCATED, fdoExtension->AttacheeDeviceObject, parentResourceList, parentResourceListSize, parentResourceList, parentResourceListSize, TRUE, &event, &ioStatusBlock); if (newIrp == NULL) { DebugPrint ((0, "Unable to allocate irp to bind with busmaster parent\n")); status = STATUS_INSUFFICIENT_RESOURCES; goto GetOut; } else { status = IoCallDriver(fdoExtension->AttacheeDeviceObject, newIrp); if (status == STATUS_PENDING) { status = KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL); status = ioStatusBlock.Status; } } if (!NT_SUCCESS(status)) { parentResourceListSize = 0; } else { parentResourceListSize = (ULONG)ioStatusBlock.Information; } if (resourceListSize + parentResourceListSize) { resourceListForKeep = ExAllocatePool (NonPagedPool, resourceListSize + parentResourceListSize); } else { resourceListForKeep = NULL; } if (resourceListForKeep) { PUCHAR d; resourceListForKeep->Count = 0; d = (PUCHAR) resourceListForKeep->List; if (resourceListSize) { RtlCopyMemory ( d, resourceList->List, resourceListSize - FIELD_OFFSET (CM_RESOURCE_LIST, List) ); resourceListForKeep->Count = resourceList->Count; d += resourceListSize - FIELD_OFFSET (CM_RESOURCE_LIST, List); } if (parentResourceListSize) { RtlCopyMemory ( d, parentResourceList->List, parentResourceListSize - FIELD_OFFSET (CM_RESOURCE_LIST, List) ); resourceListForKeep->Count += parentResourceList->Count; } } else { status = STATUS_INSUFFICIENT_RESOURCES; goto GetOut; } KeInitializeEvent(&event, SynchronizationEvent, FALSE); IoCopyCurrentIrpStackLocationToNext (Irp); Irp->IoStatus.Status = STATUS_SUCCESS ; IoSetCompletionRoutine( Irp, ChannelStartDeviceCompletionRoutine, &event, TRUE, TRUE, TRUE ); // // Pass the irp along // status = IoCallDriver(fdoExtension->AttacheeDeviceObject, Irp); // // Wait for it to come back... // if (status == STATUS_PENDING) { KeWaitForSingleObject( &event, Executive, KernelMode, FALSE, NULL ); // // Grab back the 'real' status // status = Irp->IoStatus.Status; } if (!NT_SUCCESS(status)) { ExFreePool (resourceListForKeep); goto GetOut; } status = ChannelStartChannel (fdoExtension, resourceListForKeep); if (!NT_SUCCESS(status)) { ExFreePool (resourceListForKeep); goto GetOut; } GetOut: if (parentResourceList) { ExFreePool (parentResourceList); parentResourceList = NULL; } Irp->IoStatus.Status = status; Irp->IoStatus.Information = 0; IoCompleteRequest( Irp, IO_NO_INCREMENT ); return status; } NTSTATUS ChannelStartDeviceCompletionRoutine( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp, IN OUT PVOID Context ) { PKEVENT event = (PKEVENT) Context; // // Signal the event // KeSetEvent( event, IO_NO_INCREMENT, FALSE ); // // Always return MORE_PROCESSING_REQUIRED // will complete it later // return STATUS_MORE_PROCESSING_REQUIRED; } NTSTATUS ChannelStartChannel ( PFDO_EXTENSION FdoExtension, PCM_RESOURCE_LIST ResourceListToKeep ) { NTSTATUS status; PLOGICAL_UNIT_EXTENSION logUnitExtension; IDE_PATH_ID pathId; POWER_STATE newState; PCM_PARTIAL_RESOURCE_DESCRIPTOR irqPartialDescriptors; ULONG i; #if DBG { PCM_RESOURCE_LIST resourceList; PCM_FULL_RESOURCE_DESCRIPTOR fullResourceList; PCM_PARTIAL_RESOURCE_LIST partialResourceList; PCM_PARTIAL_RESOURCE_DESCRIPTOR partialDescriptors; ULONG resourceListSize; ULONG j; resourceList = ResourceListToKeep; fullResourceList = resourceList->List; resourceListSize = 0; DebugPrint ((1, "IdePort: Starting device: FDOe\n", FdoExtension)); for (i=0; iCount; i++) { partialResourceList = &(fullResourceList->PartialResourceList); partialDescriptors = fullResourceList->PartialResourceList.PartialDescriptors; for (j=0; jCount; j++) { if (partialDescriptors[j].Type == CmResourceTypePort) { DebugPrint ((1, "IdePort: IO Port = 0x%x. Lenght = 0x%x\n", partialDescriptors[j].u.Port.Start.LowPart, partialDescriptors[j].u.Port.Length)); } else if (partialDescriptors[j].Type == CmResourceTypeInterrupt) { DebugPrint ((1, "IdePort: Int Level = 0x%x. Int Vector = 0x%x\n", partialDescriptors[j].u.Interrupt.Level, partialDescriptors[j].u.Interrupt.Vector)); } else { DebugPrint ((1, "IdePort: Unknown resource\n")); } } fullResourceList = (PCM_FULL_RESOURCE_DESCRIPTOR) (partialDescriptors + j); } } #endif // DBG // // Analyze the resources we are getting // status = DigestResourceList ( &FdoExtension->IdeResource, ResourceListToKeep, &irqPartialDescriptors ); if (!NT_SUCCESS(status)) { goto GetOut; } else { PCONFIGURATION_INFORMATION configurationInformation; configurationInformation = IoGetConfigurationInformation(); if (FdoExtension->IdeResource.AtdiskPrimaryClaimed) { FdoExtension->HwDeviceExtension->PrimaryAddress = TRUE; FdoExtension->HwDeviceExtension->SecondaryAddress = FALSE; configurationInformation->AtDiskPrimaryAddressClaimed = TRUE; } if (FdoExtension->IdeResource.AtdiskSecondaryClaimed) { FdoExtension->HwDeviceExtension->PrimaryAddress = FALSE; FdoExtension->HwDeviceExtension->SecondaryAddress = TRUE; configurationInformation->AtDiskSecondaryAddressClaimed = TRUE; } } // // Build io address structure. // AtapiBuildIoAddress( FdoExtension->IdeResource.TranslatedCommandBaseAddress, FdoExtension->IdeResource.TranslatedControlBaseAddress, &FdoExtension->HwDeviceExtension->BaseIoAddress1, &FdoExtension->HwDeviceExtension->BaseIoAddress2, &FdoExtension->HwDeviceExtension->BaseIoAddress1Length, &FdoExtension->HwDeviceExtension->BaseIoAddress2Length, &FdoExtension->HwDeviceExtension->MaxIdeDevice, &FdoExtension->HwDeviceExtension->MaxIdeTargetId); // // check for panasonic controller // FdoExtension->panasonicController = IdePortIsThisAPanasonicPCMCIACard(FdoExtension); newState.DeviceState = PowerSystemWorking; status = IdePortIssueSetPowerState ( (PDEVICE_EXTENSION_HEADER) FdoExtension, SystemPowerState, newState, TRUE // sync call ); if (status == STATUS_INVALID_DEVICE_REQUEST) { // // The DeviceObject Below us does not support power irp, // we will assume we are powered up // FdoExtension->SystemPowerState = PowerSystemWorking; } else if (!NT_SUCCESS(status)) { goto GetOut; } newState.DeviceState = PowerDeviceD0; status = IdePortIssueSetPowerState ( (PDEVICE_EXTENSION_HEADER) FdoExtension, DevicePowerState, newState, TRUE // sync call ); if (status == STATUS_INVALID_DEVICE_REQUEST) { // // The DeviceObject Below us does not support power irp, // we will assume we are powered up // FdoExtension->DevicePowerState = PowerDeviceD0; } else if (!NT_SUCCESS(status)) { goto GetOut; } // // Initialize "miniport" data structure // FdoExtension->HwDeviceExtension->InterruptMode = FdoExtension->IdeResource.InterruptMode; #ifdef ENABLE_NATIVE_MODE // // Get parent's interrupt interface // ChannelQueryInterruptInterface ( FdoExtension ); #endif // // Connect our interrupt // if (irqPartialDescriptors) { status = IoConnectInterrupt(&FdoExtension->InterruptObject, (PKSERVICE_ROUTINE) IdePortInterrupt, FdoExtension->DeviceObject, (PKSPIN_LOCK) NULL, irqPartialDescriptors->u.Interrupt.Vector, (KIRQL) irqPartialDescriptors->u.Interrupt.Level, (KIRQL) irqPartialDescriptors->u.Interrupt.Level, irqPartialDescriptors->Flags & CM_RESOURCE_INTERRUPT_LATCHED ? Latched : LevelSensitive, (BOOLEAN) (irqPartialDescriptors->ShareDisposition == CmResourceShareShared), irqPartialDescriptors->u.Interrupt.Affinity, FALSE); if (!NT_SUCCESS(status)) { DebugPrint((0, "IdePort: Can't connect interrupt %d\n", irqPartialDescriptors->u.Interrupt.Vector)); FdoExtension->InterruptObject = NULL; goto GetOut; } #ifdef ENABLE_NATIVE_MODE // // Disconnect the parent ISR stub // if ( FdoExtension->InterruptInterface.PciIdeInterruptControl) { DebugPrint((1, "IdePort: %d fdoe 0x%x Invoking disconnect\n", irqPartialDescriptors->u.Interrupt.Vector, FdoExtension )); status = FdoExtension->InterruptInterface.PciIdeInterruptControl ( FdoExtension->InterruptInterface.Context, 1 ); ASSERT(NT_SUCCESS(status)); } #endif // // Enable Interrupt // ChannelEnableInterrupt (FdoExtension); } // // Get parent's access token to serialize access with siblings (broken pci-ide) // ChannelQuerySyncAccessInterface ( FdoExtension ); if (FdoExtension->FdoState & FDOS_STOPPED) { // // we are restarting, no need to do the rest of start code // status = STATUS_SUCCESS; goto GetOut; } // // Get parent's busmaster interface // ChannelQueryBusMasterInterface ( FdoExtension ); // // Maintain a default timing table // if (FdoExtension->DefaultTransferModeTimingTable == NULL) { ULONG length=0; PULONG transferModeTimingTable = ExAllocatePool(NonPagedPool, MAX_XFER_MODE*sizeof(ULONG)); if (transferModeTimingTable != NULL) { SetDefaultTiming(transferModeTimingTable, length); FdoExtension->DefaultTransferModeTimingTable = transferModeTimingTable; } else { status = STATUS_INSUFFICIENT_RESOURCES; goto GetOut; } } ASSERT(FdoExtension->DefaultTransferModeTimingTable); // // get an interface that tells parent to invalidate out resource requirement // ChannelQueryRequestProperResourceInterface ( FdoExtension ); // // Create legacy object names // status = ChannelCreateSymblicLinks ( FdoExtension ); if (!NT_SUCCESS(status)) { goto GetOut; } // // FDO Init Data // IdePortInitFdo (FdoExtension); // // Allocate reserve error log packets to log insufficient resource events // for (i=0;iReserveAllocFailureLogEntry[i] == NULL) { FdoExtension->ReserveAllocFailureLogEntry[i] = IoAllocateErrorLogEntry( FdoExtension->DeviceObject, ALLOC_FAILURE_LOGSIZE ); } } // // Pre-allocate memory for enumeration // if (!IdePreAllocEnumStructs(FdoExtension)) { status=STATUS_INSUFFICIENT_RESOURCES; goto GetOut; } // // Reserve pages to perform I/O under low memory conditions // if (FdoExtension->ReservedPages == NULL) { FdoExtension->ReservedPages = MmAllocateMappingAddress( IDE_NUM_RESERVED_PAGES * PAGE_SIZE, 'PedI' ); ASSERT(FdoExtension->ReservedPages); } GetOut: if (NT_SUCCESS(status)) { // // End of Init. // CLRMASK (FdoExtension->FdoState, FDOS_STOPPED); SETMASK (FdoExtension->FdoState, FDOS_STARTED); if (FdoExtension->ResourceList) { ExFreePool(FdoExtension->ResourceList); FdoExtension->ResourceList = NULL; } FdoExtension->ResourceList = ResourceListToKeep; } else { ChannelRemoveChannel (FdoExtension); } return status; } NTSTATUS ChannelCreateSymblicLinks ( PFDO_EXTENSION FdoExtension ) { NTSTATUS status; ULONG i = 0; PULONG scsiportNumber; UNICODE_STRING deviceName; WCHAR deviceNameBuffer[64]; UNICODE_STRING symbolicDeviceName; WCHAR symbolicDeviceNameBuffer[64]; swprintf(deviceNameBuffer, DEVICE_OJBECT_BASE_NAME L"\\IdePort%d", FdoExtension->IdePortNumber); RtlInitUnicodeString(&deviceName, deviceNameBuffer); scsiportNumber = &IoGetConfigurationInformation()->ScsiPortCount; do { swprintf(symbolicDeviceNameBuffer, L"\\Device\\ScsiPort%d", i); RtlInitUnicodeString(&symbolicDeviceName, symbolicDeviceNameBuffer); status = IoCreateSymbolicLink( &symbolicDeviceName, &deviceName ); if (NT_SUCCESS (status)) { swprintf(symbolicDeviceNameBuffer, L"\\DosDevices\\Scsi%d:", i); RtlInitUnicodeString(&symbolicDeviceName, symbolicDeviceNameBuffer); IoAssignArcName ( &symbolicDeviceName, &deviceName ); break; } i += 1; } while(i <= *scsiportNumber); if (NT_SUCCESS(status)) { FdoExtension->SymbolicLinkCreated = TRUE; FdoExtension->ScsiPortNumber = i; (*scsiportNumber)++; } return status; } NTSTATUS ChannelDeleteSymblicLinks ( PFDO_EXTENSION FdoExtension ) { NTSTATUS status; ULONG i; UNICODE_STRING deviceName; WCHAR deviceNameBuffer[64]; if (!FdoExtension->SymbolicLinkCreated) { return STATUS_SUCCESS; } swprintf(deviceNameBuffer, L"\\Device\\ScsiPort%d", FdoExtension->ScsiPortNumber); RtlInitUnicodeString(&deviceName, deviceNameBuffer); IoDeleteSymbolicLink( &deviceName ); swprintf(deviceNameBuffer, L"\\DosDevices\\Scsi%d:", FdoExtension->ScsiPortNumber); RtlInitUnicodeString(&deviceName, deviceNameBuffer); IoDeassignArcName(&deviceName); FdoExtension->SymbolicLinkCreated = FALSE; IoGetConfigurationInformation()->ScsiPortCount--; return STATUS_SUCCESS; } NTSTATUS ChannelSurpriseRemoveDevice ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; PPDO_EXTENSION pdoExtension; IDE_PATH_ID pathId; NTSTATUS status; // // all my childred should be surprise removed or removed // pathId.l = 0; while (pdoExtension = NextLogUnitExtensionWithTag ( fdoExtension, &pathId, TRUE, ChannelSurpriseRemoveDevice )) { //ASSERT (pdoExtension->PdoState & (PDOS_SURPRISE_REMOVED | PDOS_REMOVED)); CLRMASK (pdoExtension->PdoState, PDOS_REPORTED_TO_PNP); UnrefPdoWithTag( pdoExtension, ChannelSurpriseRemoveDevice ); } status = ChannelRemoveChannel (fdoExtension); ASSERT (NT_SUCCESS(status)); Irp->IoStatus.Status = STATUS_SUCCESS; IoSkipCurrentIrpStackLocation (Irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); } NTSTATUS ChannelRemoveDevice ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; PPDO_EXTENSION pdoExtension; NTSTATUS status; KEVENT event; IDE_PATH_ID pathId; DebugPrint (( DBG_PNP, "fdoe 0x%x 0x%x got a STOP device\n", fdoExtension, fdoExtension->IdeResource.TranslatedCommandBaseAddress )); // // Remove from the FDO list. // IdeRemoveFromFdoList (&IdeGlobalFdoList, fdoExtension); // // Kill all the children if any // pathId.l = 0; while (pdoExtension = NextLogUnitExtensionWithTag ( fdoExtension, &pathId, TRUE, ChannelRemoveDevice )) { if (pdoExtension->PdoState & PDOS_SURPRISE_REMOVED) { CLRMASK (pdoExtension->PdoState, PDOS_REPORTED_TO_PNP); continue; } FreePdoWithTag( pdoExtension, TRUE, TRUE, ChannelRemoveDevice ); } status = ChannelRemoveChannel (fdoExtension); ASSERT (NT_SUCCESS(status)); KeInitializeEvent(&event, SynchronizationEvent, FALSE); IoCopyCurrentIrpStackLocationToNext (Irp); IoSetCompletionRoutine( Irp, ChannelRemoveDeviceCompletionRoutine, &event, TRUE, TRUE, TRUE ); status = IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL); IoDetachDevice (fdoExtension->AttacheeDeviceObject); IoDeleteDevice (DeviceObject); //return STATUS_SUCCESS; return status; } NTSTATUS ChannelRemoveDeviceCompletionRoutine ( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context ) { PKEVENT event = Context; KeSetEvent(event, 0, FALSE); return STATUS_SUCCESS; } NTSTATUS ChannelStopDevice ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension; fdoExtension = DeviceObject->DeviceExtension; DebugPrint (( DBG_PNP, "fdoe 0x%x 0x%x got a STOP device\n", fdoExtension, fdoExtension->IdeResource.TranslatedCommandBaseAddress )); // // disable interrupt // ChannelDisableInterrupt (fdoExtension); if (fdoExtension->InterruptObject) { #ifdef ENABLE_NATIVE_MODE // // Reconnect the parent ISR stub // if (fdoExtension->InterruptInterface.PciIdeInterruptControl) { NTSTATUS status; DebugPrint((1, "fdoe 0x%x invoking reconnect\n", fdoExtension)); status = fdoExtension->InterruptInterface.PciIdeInterruptControl ( fdoExtension->InterruptInterface.Context, 0 ); ASSERT(NT_SUCCESS(status)); } #endif IoDisconnectInterrupt ( fdoExtension->InterruptObject ); fdoExtension->InterruptObject = 0; } if (fdoExtension->FdoState & FDOS_STARTED) { // // indicate we have been stopped only if we have started // CLRMASK (fdoExtension->FdoState, FDOS_STARTED); SETMASK (fdoExtension->FdoState, FDOS_STOPPED); } Irp->IoStatus.Status = STATUS_SUCCESS; IoSkipCurrentIrpStackLocation (Irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); } NTSTATUS ChannelRemoveChannel ( PFDO_EXTENSION FdoExtension ) { PCONFIGURATION_INFORMATION configurationInformation; ULONG i; configurationInformation = IoGetConfigurationInformation(); DebugPrint((1, "ChannelRemoveChannel for FDOe %x\n", FdoExtension)); if (FdoExtension->IdeResource.AtdiskPrimaryClaimed) { configurationInformation->AtDiskPrimaryAddressClaimed = FALSE; } if (FdoExtension->IdeResource.AtdiskSecondaryClaimed) { configurationInformation->AtDiskSecondaryAddressClaimed = FALSE; } FdoExtension->IdeResource.AtdiskPrimaryClaimed = FALSE; FdoExtension->IdeResource.AtdiskSecondaryClaimed = FALSE; FdoExtension->HwDeviceExtension->PrimaryAddress = FALSE; if ((FdoExtension->IdeResource.CommandBaseAddressSpace == MEMORY_SPACE) && (FdoExtension->IdeResource.TranslatedCommandBaseAddress)) { MmUnmapIoSpace ( FdoExtension->IdeResource.TranslatedCommandBaseAddress, FdoExtension->HwDeviceExtension->BaseIoAddress1Length ); } FdoExtension->IdeResource.TranslatedCommandBaseAddress = 0; if ((FdoExtension->IdeResource.ControlBaseAddressSpace == MEMORY_SPACE) && (FdoExtension->IdeResource.TranslatedControlBaseAddress)) { MmUnmapIoSpace ( FdoExtension->IdeResource.TranslatedControlBaseAddress, 1 ); } FdoExtension->IdeResource.TranslatedControlBaseAddress = 0; if (FdoExtension->InterruptObject) { #ifdef ENABLE_NATIVE_MODE // // Reconnect the parent ISR stub // if (FdoExtension->InterruptInterface.PciIdeInterruptControl) { NTSTATUS status; DebugPrint((1, "fdoe 0x%x invoking reconnect\n", FdoExtension)); status = FdoExtension->InterruptInterface.PciIdeInterruptControl ( FdoExtension->InterruptInterface.Context, 0 ); ASSERT(NT_SUCCESS(status)); } #endif IoDisconnectInterrupt ( FdoExtension->InterruptObject ); FdoExtension->InterruptObject = 0; } // unbind from the bm stuff if NECESSARY // release parent's access token to serialize access with siblings (broken pci-ide) if (FdoExtension->ResourceList) { ExFreePool (FdoExtension->ResourceList); FdoExtension->ResourceList = NULL; } else { DebugPrint((1, "ATAPI: Resource list for FDOe %x already freed\n", FdoExtension)); } // // Lock // ASSERT(InterlockedCompareExchange(&(FdoExtension->EnumStructLock), 1, 0) == 0); // // Free pre-allocated memory // IdeFreeEnumStructs(FdoExtension->PreAllocEnumStruct); FdoExtension->PreAllocEnumStruct = NULL; // // Unlock // ASSERT(InterlockedCompareExchange(&(FdoExtension->EnumStructLock), 0, 1) == 1); // // Free the reserve error log entries // for (i=0; i< MAX_IDE_DEVICE; i++) { PVOID entry; PVOID currentValue; entry = FdoExtension->ReserveAllocFailureLogEntry[i]; if (entry == NULL) { continue; } // // We have to ensure that we are the only instance to use this // event. To do so, we attempt to NULL the event in the driver // extension. If somebody else beats us to it, they own the // event and we have to give up. // currentValue = InterlockedCompareExchangePointer( &(FdoExtension->ReserveAllocFailureLogEntry[i]), NULL, entry ); if (entry != currentValue) { continue; } // Note that you cannot ExFreePool the entry // because Io returns an offset into the pool allocation, not the start. // Use the API provided by Iomanager IoFreeErrorLogEntry(entry); } // // Free the default timing table // if (FdoExtension->DefaultTransferModeTimingTable) { ExFreePool(FdoExtension->DefaultTransferModeTimingTable); FdoExtension->DefaultTransferModeTimingTable = NULL; FdoExtension->TransferModeInterface.TransferModeTimingTable = NULL; FdoExtension->TransferModeInterface.TransferModeTableLength =0; } // // Unmap the reserved mapping // if (FdoExtension->ReservedPages != NULL) { MmFreeMappingAddress(FdoExtension->ReservedPages, 'PedI' ); FdoExtension->ReservedPages = NULL; } ChannelDeleteSymblicLinks ( FdoExtension ); return STATUS_SUCCESS; } NTSTATUS ChannelQueryDeviceRelations ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension = DeviceObject->DeviceExtension; PIO_STACK_LOCATION thisIrpSp; PIDE_WORK_ITEM_CONTEXT workItemContext; PENUMERATION_STRUCT enumStruct = fdoExtension->PreAllocEnumStruct; if (!(fdoExtension->FdoState & FDOS_STARTED)) { Irp->IoStatus.Status = STATUS_DEVICE_NOT_READY; IoCompleteRequest( Irp, IO_NO_INCREMENT ); return STATUS_DEVICE_NOT_READY; } thisIrpSp = IoGetCurrentIrpStackLocation( Irp ); switch (thisIrpSp->Parameters.QueryDeviceRelations.Type) { case BusRelations: DebugPrint ((DBG_BUSSCAN, "IdeQueryDeviceRelations: bus relations\n")); ASSERT(enumStruct); workItemContext = (PIDE_WORK_ITEM_CONTEXT) enumStruct->EnumWorkItemContext; ASSERT(workItemContext); ASSERT(workItemContext->WorkItem); workItemContext->Irp = Irp; #ifdef SYNC_DEVICE_RELATIONS return ChannelQueryBusRelation ( DeviceObject, workItemContext); #else Irp->IoStatus.Status = STATUS_PENDING; IoMarkIrpPending(Irp); IoQueueWorkItem( workItemContext->WorkItem, ChannelQueryBusRelation, DelayedWorkQueue, workItemContext ); return STATUS_PENDING; #endif //!SYNC_DEVICE_RELATIONS break; default: DebugPrint ((1, "IdeQueryDeviceRelations: Unsupported device relation\n")); // // Don't set the status if it is not success and is being passed // down // //Irp->IoStatus.Status = STATUS_NOT_SUPPORTED; break; } IoSkipCurrentIrpStackLocation (Irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); } NTSTATUS ChannelQueryBusRelation ( IN PDEVICE_OBJECT DeviceObject, IN PIDE_WORK_ITEM_CONTEXT WorkItemContext ) { PIRP irp; PFDO_EXTENSION fdoExtension; PIO_STACK_LOCATION thisIrpSp; PDEVICE_RELATIONS deviceRelations; LARGE_INTEGER tickCount; ULONG timeDiff; irp = WorkItemContext->Irp; // // do not release resource for this worker item as they are pre-alloced // // IoFreeWorkItem(WorkItemContext->WorkItem); //ExFreePool (WorkItemContext); thisIrpSp = IoGetCurrentIrpStackLocation(irp); fdoExtension = thisIrpSp->DeviceObject->DeviceExtension; LogBusScanStartTimer(&tickCount); // // grab the acpi/bios timing settings if any // GTM should be called for every enumeration // DeviceQueryChannelTimingSettings ( fdoExtension, &fdoExtension->AcpiTimingSettings ); // // Get parent's xfer mode interface // ChannelQueryTransferModeInterface ( fdoExtension ); // // scan the bus // IdePortScanBus (fdoExtension); timeDiff = LogBusScanStopTimer(&tickCount); LogBusScanTimeDiff(fdoExtension, L"IdeTotalBusScanTime", timeDiff); #ifdef IDE_MEASURE_BUSSCAN_SPEED if (timeDiff > 7000) { DebugPrint ((DBG_WARNING, "WARNING: **************************************\n")); DebugPrint ((DBG_WARNING, "WARNING: IdePortScanBus 0x%x took %u millisec\n", fdoExtension->IdeResource.TranslatedCommandBaseAddress, timeDiff)); DebugPrint ((DBG_WARNING, "WARNING: **************************************\n")); } else { DebugPrint ((DBG_BUSSCAN, "IdePortScanBus 0x%x took %u millisec\n", fdoExtension->IdeResource.TranslatedCommandBaseAddress, timeDiff)); } #endif deviceRelations = ChannelBuildDeviceRelationList ( fdoExtension ); irp->IoStatus.Information = (ULONG_PTR) deviceRelations; irp->IoStatus.Status = STATUS_SUCCESS; IoSkipCurrentIrpStackLocation (irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, irp); } PDEVICE_RELATIONS ChannelBuildDeviceRelationList ( PFDO_EXTENSION FdoExtension ) { IDE_PATH_ID pathId; ULONG numPdoChildren; NTSTATUS status; PPDO_EXTENSION pdoExtension; ULONG deviceRelationsSize; PDEVICE_RELATIONS deviceRelations; status = STATUS_SUCCESS; pathId.l = 0; numPdoChildren = 0; while (pdoExtension = NextLogUnitExtensionWithTag( FdoExtension, &pathId, TRUE, ChannelBuildDeviceRelationList )) { UnrefLogicalUnitExtensionWithTag ( FdoExtension, pdoExtension, ChannelBuildDeviceRelationList ); numPdoChildren++; } if (numPdoChildren) { deviceRelationsSize = FIELD_OFFSET (DEVICE_RELATIONS, Objects) + numPdoChildren * sizeof(PDEVICE_OBJECT); } else { // Current build expect a DEVICE_RELATIONS with a Count of 0 // if we don't have any PDO to return deviceRelationsSize = FIELD_OFFSET( DEVICE_RELATIONS, Objects ) + 1 * sizeof( PDEVICE_OBJECT ); } deviceRelations = ExAllocatePool (NonPagedPool, deviceRelationsSize); if(!deviceRelations) { DebugPrint ((DBG_ALWAYS, "ChannelBuildDeviceRelationList: Unable to allocate DeviceRelations structures\n")); status = STATUS_NO_MEMORY; } if (NT_SUCCESS(status)) { (deviceRelations)->Count = 0; pathId.l = 0; while ((deviceRelations->Count < numPdoChildren) && (pdoExtension = NextLogUnitExtensionWithTag( FdoExtension, &pathId, TRUE, ChannelBuildDeviceRelationList ))) { KIRQL currentIrql; BOOLEAN deadMeat; KeAcquireSpinLock(&pdoExtension->PdoSpinLock, ¤tIrql); deadMeat = pdoExtension->PdoState & PDOS_DEADMEAT ? TRUE : FALSE; KeReleaseSpinLock(&pdoExtension->PdoSpinLock, currentIrql); if (!deadMeat) { KeAcquireSpinLock(&pdoExtension->PdoSpinLock, ¤tIrql); SETMASK (pdoExtension->PdoState, PDOS_REPORTED_TO_PNP); KeReleaseSpinLock(&pdoExtension->PdoSpinLock, currentIrql); deviceRelations->Objects[deviceRelations->Count] = pdoExtension->DeviceObject; ObReferenceObjectByPointer(deviceRelations->Objects[deviceRelations->Count], 0, 0, KernelMode); deviceRelations->Count++; } else { KeAcquireSpinLock(&pdoExtension->PdoSpinLock, ¤tIrql); CLRMASK (pdoExtension->PdoState, PDOS_REPORTED_TO_PNP); KeReleaseSpinLock(&pdoExtension->PdoSpinLock, currentIrql); DebugPrint ((DBG_BUSSCAN, "0x%x target 0x%x pdoExtension 0x%x is marked DEADMEAT\n", pdoExtension->ParentDeviceExtension->IdeResource.TranslatedCommandBaseAddress, pdoExtension->TargetId, pdoExtension)); } UnrefLogicalUnitExtensionWithTag ( FdoExtension, pdoExtension, ChannelBuildDeviceRelationList ); } DebugPrint ((DBG_BUSSCAN, "ChannelBuildDeviceRelationList: returning %d children\n", deviceRelations->Count)); } return deviceRelations; } NTSTATUS ChannelQueryId ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PIO_STACK_LOCATION thisIrpSp; PFDO_EXTENSION fdoExtension; NTSTATUS status; PWCHAR returnString; ANSI_STRING ansiString; UNICODE_STRING unicodeString; PAGED_CODE(); thisIrpSp = IoGetCurrentIrpStackLocation( Irp ); fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; if (!(fdoExtension->FdoState & FDOS_STARTED)) { Irp->IoStatus.Status = STATUS_DEVICE_NOT_READY; IoCompleteRequest( Irp, IO_NO_INCREMENT ); return STATUS_DEVICE_NOT_READY; } unicodeString.Buffer = NULL; switch (thisIrpSp->Parameters.QueryId.IdType) { case BusQueryCompatibleIDs: case BusQueryHardwareIDs: unicodeString.Length = 0; unicodeString.MaximumLength = 50 * sizeof(WCHAR); unicodeString.Buffer = ExAllocatePool(PagedPool, unicodeString.MaximumLength); // // Caller wants the unique id of the device // RtlInitAnsiString ( &ansiString, "*PNP0600" ); break; default: break; } if (unicodeString.Buffer) { RtlAnsiStringToUnicodeString( &unicodeString, &ansiString, FALSE ); // // double null terminate it // unicodeString.Buffer[unicodeString.Length/sizeof(WCHAR) + 0] = L'\0'; unicodeString.Buffer[unicodeString.Length/sizeof(WCHAR) + 1] = L'\0'; IoMarkIrpPending(Irp); // // we need to check if the lower driver handles this irp // registry a completion routine. we can check // when the irp comes back // IoCopyCurrentIrpStackLocationToNext (Irp); IoSetCompletionRoutine( Irp, ChannelQueryIdCompletionRoutine, unicodeString.Buffer, TRUE, TRUE, TRUE ); } else { // // we don't care much about this irp // IoSkipCurrentIrpStackLocation (Irp); } status = IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); if (unicodeString.Buffer) { return STATUS_PENDING; } else { return status; } } NTSTATUS ChannelQueryIdCompletionRoutine ( PDEVICE_OBJECT DeviceObject, PIRP Irp, PVOID Context ) { if (Irp->IoStatus.Status == STATUS_NOT_SUPPORTED) { // // the lower level driver didn't handle the irp // return the device text string we created early // Irp->IoStatus.Information = (ULONG_PTR) Context; Irp->IoStatus.Status = STATUS_SUCCESS; } else { // // the lower driver handled the irp, // we don't need to return our device text string // ExFreePool (Context); } return Irp->IoStatus.Status; } NTSTATUS ChannelUsageNotification ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension; PIO_STACK_LOCATION irpSp; PULONG deviceUsageCount; ASSERT (DeviceObject); ASSERT (Irp); fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; ASSERT (fdoExtension); if (!(fdoExtension->FdoState & FDOS_STARTED)) { Irp->IoStatus.Status = STATUS_DEVICE_NOT_READY; IoCompleteRequest( Irp, IO_NO_INCREMENT ); return STATUS_DEVICE_NOT_READY; } irpSp = IoGetCurrentIrpStackLocation(Irp); if (irpSp->Parameters.UsageNotification.Type == DeviceUsageTypePaging) { // // Adjust the paging path count for this device. // deviceUsageCount = &fdoExtension->PagingPathCount; } else if (irpSp->Parameters.UsageNotification.Type == DeviceUsageTypeHibernation) { // // Adjust the paging path count for this device. // deviceUsageCount = &fdoExtension->HiberPathCount; } else if (irpSp->Parameters.UsageNotification.Type == DeviceUsageTypeDumpFile) { // // Adjust the paging path count for this device. // deviceUsageCount = &fdoExtension->CrashDumpPathCount; } else { deviceUsageCount = NULL; DebugPrint ((DBG_ALWAYS, "ATAPI: Unknown IRP_MN_DEVICE_USAGE_NOTIFICATION type: 0x%x\n", irpSp->Parameters.UsageNotification.Type)); } IoCopyCurrentIrpStackLocationToNext (Irp); IoSetCompletionRoutine ( Irp, ChannelUsageNotificationCompletionRoutine, deviceUsageCount, TRUE, TRUE, TRUE); ASSERT(fdoExtension->AttacheeDeviceObject); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); } // ChannelPagingNotification NTSTATUS ChannelUsageNotificationCompletionRoutine ( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context ) { PFDO_EXTENSION fdoExtension; PULONG deviceUsageCount = Context; fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; ASSERT (fdoExtension); if (NT_SUCCESS(Irp->IoStatus.Status)) { if (deviceUsageCount) { IoAdjustPagingPathCount ( deviceUsageCount, IoGetCurrentIrpStackLocation(Irp)->Parameters.UsageNotification.InPath ); } } return Irp->IoStatus.Status; } NTSTATUS ChannelDeviceIoControl( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp ) { PIO_STACK_LOCATION thisIrpSp = IoGetCurrentIrpStackLocation(Irp); PFDO_EXTENSION fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; PSTORAGE_PROPERTY_QUERY storageQuery; STORAGE_ADAPTER_DESCRIPTOR adapterDescriptor; ULONG outBufferSize; NTSTATUS status; // pass it down if not supported and it is for the FDO stack switch (thisIrpSp->Parameters.DeviceIoControl.IoControlCode) { case IOCTL_STORAGE_QUERY_PROPERTY: storageQuery = Irp->AssociatedIrp.SystemBuffer; if (thisIrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(STORAGE_PROPERTY_QUERY)) { Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; } else { if (storageQuery->PropertyId == StorageAdapterProperty) { // device property switch (storageQuery->QueryType) { case PropertyStandardQuery: DebugPrint ((1, "IdePortPdoDispatch: IOCTL_STORAGE_QUERY_PROPERTY PropertyStandardQuery\n")); RtlZeroMemory (&adapterDescriptor, sizeof(adapterDescriptor)); // // BuildAtaDeviceDescriptor // adapterDescriptor.Version = sizeof (STORAGE_ADAPTER_DESCRIPTOR); adapterDescriptor.Size = sizeof (STORAGE_ADAPTER_DESCRIPTOR); adapterDescriptor.MaximumTransferLength = MAX_TRANSFER_SIZE_PER_SRB; adapterDescriptor.MaximumPhysicalPages = SP_UNINITIALIZED_VALUE; adapterDescriptor.AlignmentMask = DeviceObject->AlignmentRequirement; adapterDescriptor.AdapterUsesPio = TRUE; // We always support PIO adapterDescriptor.AdapterScansDown = FALSE; adapterDescriptor.CommandQueueing = FALSE; adapterDescriptor.AcceleratedTransfer = FALSE; adapterDescriptor.BusType = BusTypeAta; // Bus type should be ATA adapterDescriptor.BusMajorVersion = 1; // Major version adapterDescriptor.BusMinorVersion = 0; // if (thisIrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(STORAGE_ADAPTER_DESCRIPTOR)) { outBufferSize = thisIrpSp->Parameters.DeviceIoControl.OutputBufferLength; } else { outBufferSize = sizeof(STORAGE_ADAPTER_DESCRIPTOR); } RtlCopyMemory (Irp->AssociatedIrp.SystemBuffer, &adapterDescriptor, outBufferSize); Irp->IoStatus.Information = outBufferSize; Irp->IoStatus.Status = STATUS_SUCCESS; break; case PropertyExistsQuery: DebugPrint ((1, "IdePortPdoDispatch: IOCTL_STORAGE_QUERY_PROPERTY PropertyExistsQuery\n")); Irp->IoStatus.Status = STATUS_SUCCESS; break; case PropertyMaskQuery: DebugPrint ((1, "IdePortPdoDispatch: IOCTL_STORAGE_QUERY_PROPERTY PropertyMaskQuery\n")); Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED; break; default: DebugPrint ((1, "IdePortPdoDispatch: IOCTL_STORAGE_QUERY_PROPERTY unknown type\n")); Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED; break; } } } break; default: // // we don't know what this deviceIoControl Irp is // if (thisIrpSp->DeviceObject == DeviceObject) { // // this irp could come from the PDO stack // // forward this unknown request if and only // if this irp is for the FDO stack // IoSkipCurrentIrpStackLocation (Irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); break; } Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED; break; } status = Irp->IoStatus.Status; IoCompleteRequest(Irp, IO_NO_INCREMENT); return status; } VOID ChannelQueryBusMasterInterface ( PFDO_EXTENSION FdoExtension ) { IO_STACK_LOCATION irpSp; NTSTATUS status; FdoExtension->BoundWithBmParent = FALSE; RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_BUSMASTER_INTERFACE; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (FdoExtension->HwDeviceExtension->BusMasterInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &FdoExtension->HwDeviceExtension->BusMasterInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, NULL); if (NT_SUCCESS(status)) { FdoExtension->BoundWithBmParent = TRUE; } return; } #ifdef ENABLE_NATIVE_MODE VOID ChannelQueryInterruptInterface ( PFDO_EXTENSION FdoExtension ) { IO_STACK_LOCATION irpSp; NTSTATUS status; RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_INTERRUPT_INTERFACE; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (FdoExtension->InterruptInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &FdoExtension->InterruptInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; DebugPrint((1, "Querying interrupt interface for Fdoe 0x%x\n", FdoExtension)); status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, NULL); return; } #endif VOID ChannelQueryTransferModeInterface ( PFDO_EXTENSION FdoExtension ) { IO_STACK_LOCATION irpSp; NTSTATUS status; ULONG i; PAGED_CODE(); RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_XFER_MODE_INTERFACE; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (FdoExtension->TransferModeInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &FdoExtension->TransferModeInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, NULL); if (NT_SUCCESS(status)) { if (FdoExtension->TransferModeInterface.SupportLevel != PciIdeFullXferModeSupport) { // // We got the sfer mode interface from our parent, // but it has only the basic functionality. It // just relies on the BIOS to program its timing // registers during POST. It doesn't really know // how to program its timing registers. // for (i=0; iAcpiTimingSettings.Speed[i].Pio != ACPI_XFER_MODE_NOT_SUPPORT) { // // looks like ACPI is present and it knows how to program // ide timing registers. Let's forget our parent xfer mode // interface and go with the ACPI xfer mode interface // status = STATUS_UNSUCCESSFUL; } } } ASSERT (FdoExtension->TransferModeInterface.TransferModeTimingTable); } #ifdef ALWAYS_USE_APCI_IF_AVAILABLE for (i=0; iAcpiTimingSettings.Speed[i].Pio != ACPI_XFER_MODE_NOT_SUPPORT) { status = STATUS_UNSUCCESSFUL; } } #endif // ALWAYS_USE_APCI_IF_AVAILABLE if (!NT_SUCCESS(status)) { PULONG transferModeTimingTable = FdoExtension->TransferModeInterface.TransferModeTimingTable; // // if we can't get the TransferModeInterface, // we will default to the ACPI TransferModeInterface // if ((FdoExtension->AcpiTimingSettings.Speed[0].Pio != ACPI_XFER_MODE_NOT_SUPPORT) || (FdoExtension->AcpiTimingSettings.Speed[1].Pio != ACPI_XFER_MODE_NOT_SUPPORT)) { FdoExtension->TransferModeInterface.SupportLevel = PciIdeFullXferModeSupport; } else { FdoExtension->TransferModeInterface.SupportLevel = PciIdeBasicXferModeSupport; } FdoExtension->TransferModeInterface.Context = FdoExtension; FdoExtension->TransferModeInterface.TransferModeSelect = ChannelAcpiTransferModeSelect; // // Fill up the timingTable with the default cycle times. // if (transferModeTimingTable == NULL) { FdoExtension->TransferModeInterface.TransferModeTimingTable = FdoExtension-> DefaultTransferModeTimingTable; FdoExtension->TransferModeInterface.TransferModeTableLength = MAX_XFER_MODE; } } if (FdoExtension->TransferModeInterface.SupportLevel == PciIdeBasicXferModeSupport) { // // we don't really have code to set the correct // xfer mode timing on the controller. // our TransferModeInterface is really picking // whatever mode set by the bios. and since there // is no way to figure what the current PIO mode // the drive is in, we are setting a flag in // the HwDeviceExtension so that we won't try // to change the pio transfer mode // FdoExtension->HwDeviceExtension->NoPioSetTransferMode = TRUE; } ASSERT (FdoExtension->TransferModeInterface.TransferModeSelect); ASSERT (FdoExtension->TransferModeInterface.TransferModeTimingTable); return; } VOID ChannelUnbindBusMasterParent ( PFDO_EXTENSION FdoExtension ) { // ISSUE: 08/30/2000 implement me!!! return; } VOID ChannelQuerySyncAccessInterface ( PFDO_EXTENSION FdoExtension ) { IO_STACK_LOCATION irpSp; NTSTATUS status; RtlZeroMemory (&irpSp, sizeof(irpSp)); RtlZeroMemory ( &FdoExtension->SyncAccessInterface, sizeof (FdoExtension->SyncAccessInterface) ); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_SYNC_ACCESS_INTERFACE; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (FdoExtension->SyncAccessInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &FdoExtension->SyncAccessInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, NULL); // // parent doesn't support access token, // if (!NT_SUCCESS(status)) { FdoExtension->SyncAccessInterface.AllocateAccessToken = 0; FdoExtension->SyncAccessInterface.Token = 0; } return; } VOID ChannelQueryRequestProperResourceInterface ( PFDO_EXTENSION FdoExtension ) { IO_STACK_LOCATION irpSp; NTSTATUS status; RtlZeroMemory (&irpSp, sizeof(irpSp)); RtlZeroMemory ( &FdoExtension->RequestProperResourceInterface, sizeof (FdoExtension->RequestProperResourceInterface) ); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_REQUEST_PROPER_RESOURCES; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (FdoExtension->RequestProperResourceInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &FdoExtension->RequestProperResourceInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, NULL); return; } __inline VOID ChannelEnableInterrupt ( IN PFDO_EXTENSION FdoExtension ) { ULONG i; for (i=0; i<(FdoExtension->HwDeviceExtension->MaxIdeDevice/MAX_IDE_DEVICE);i++) { SelectIdeLine(&FdoExtension->HwDeviceExtension->BaseIoAddress1,i); IdePortOutPortByte ( FdoExtension->HwDeviceExtension->BaseIoAddress2.DeviceControl, IDE_DC_REENABLE_CONTROLLER ); } } __inline VOID ChannelDisableInterrupt ( IN PFDO_EXTENSION FdoExtension ) { ULONG i; for (i=0; i<(FdoExtension->HwDeviceExtension->MaxIdeDevice/MAX_IDE_DEVICE);i++) { SelectIdeLine(&FdoExtension->HwDeviceExtension->BaseIoAddress1,i); IdePortOutPortByte ( FdoExtension->HwDeviceExtension->BaseIoAddress2.DeviceControl, IDE_DC_DISABLE_INTERRUPTS ); } } NTSTATUS ChannelAcpiTransferModeSelect ( IN PVOID Context, PPCIIDE_TRANSFER_MODE_SELECT XferMode ) { PFDO_EXTENSION fdoExtension = Context; ULONG i; BOOLEAN useUdmaMode[MAX_IDE_DEVICE]; BOOLEAN dmaMode; PIDENTIFY_DATA ataIdentifyData[MAX_IDE_DEVICE]; NTSTATUS status; ULONG numDevices; ULONG timingMode[MAX_IDE_DEVICE]; ULONG cycleTime[MAX_IDE_DEVICE]; ULONG dmaTiming; PACPI_IDE_TIMING acpiTimingSettings; ACPI_IDE_TIMING newAcpiTimingSettings; PULONG transferModeTimingTable=XferMode->TransferModeTimingTable; ASSERT(transferModeTimingTable); ASSERT (IsNEC_98 == FALSE); if (fdoExtension->DeviceChanged) { DebugPrint((DBG_XFERMODE, "Updating boot acpi timing settings\n")); RtlCopyMemory (&fdoExtension->BootAcpiTimingSettings, &fdoExtension->AcpiTimingSettings, sizeof(newAcpiTimingSettings) ); } acpiTimingSettings = &fdoExtension->BootAcpiTimingSettings; RtlZeroMemory (&newAcpiTimingSettings, sizeof(newAcpiTimingSettings)); newAcpiTimingSettings.Flags.b.IndependentTiming = acpiTimingSettings->Flags.b.IndependentTiming; // // how many devices do we have? // for (i=numDevices=0; iDevicePresent[i]) { numDevices++; } } ASSERT (numDevices); // // pick the device pio timing // for (i=0; iDevicePresent[i]) { continue; } GetHighestPIOTransferMode(XferMode->DeviceTransferModeSupported[i], mode); timingMode[i] = 1<BestPioCycleTime[i]; } if ((numDevices > 1) && !acpiTimingSettings->Flags.b.IndependentTiming) { // // pick the slower of the two timings // (the smaller timing mode value, the slower it is) // if (timingMode[0] < timingMode[1]) { cycleTime[1] = cycleTime[0]; timingMode[1] = timingMode[0]; } else { cycleTime[0] = cycleTime[1]; timingMode[0] = timingMode[1]; } } // // store the pio mode selected // for (i=0; iDevicePresent[i]) { XferMode->DeviceTransferModeSelected[i] = timingMode[i]; newAcpiTimingSettings.Speed[i].Pio = cycleTime[i]; if (i == 0) { newAcpiTimingSettings.Flags.b.IoChannelReady0 = XferMode->IoReadySupported[i]; } else { newAcpiTimingSettings.Flags.b.IoChannelReady1 = XferMode->IoReadySupported[i]; } } else { XferMode->DeviceTransferModeSelected[i] = 0; } } // // pick the device dma timing // for (i=0; iDevicePresent[i]) { continue; } // // check the acpi flag for ultra dma // if (i == 0) { useUdmaMode[i] = acpiTimingSettings->Flags.b.UltraDma0 ? TRUE: FALSE; } else { ASSERT (i==1); useUdmaMode[i] = acpiTimingSettings->Flags.b.UltraDma1 ? TRUE: FALSE; } // // get the dma timing specified in _GTM // dmaTiming = acpiTimingSettings->Speed[i].Dma; // // if dma is not supported, don't do anything, We have already set the PIO mode. // if (dmaTiming == ACPI_XFER_MODE_NOT_SUPPORT) { useUdmaMode[i]=0; useDma = FALSE; mode = PIO0; } // // Find the highest UDMA mode // if (useUdmaMode[i]) { GetHighestDMATransferMode(XferMode->DeviceTransferModeSupported[i], mode); while (mode>= UDMA0) { if ((dmaTiming <= transferModeTimingTable[mode]) && (XferMode->DeviceTransferModeSupported[i] & (1< DeviceTransferModeSupported[i] & (SWDMA_SUPPORT | MWDMA_SUPPORT); tempMode &= (~MWDMA_MODE0); GetHighestDMATransferMode(tempMode, mode); if (mode >= MWDMA1) { timingMode[i] = 1<BestMwDmaCycleTime[i]; ASSERT(cycleTime[i]); } else if (mode == SWDMA2) { timingMode[i] = 1<BestSwDmaCycleTime[i]; ASSERT(cycleTime[i]); } // else don't do anything. PIO is already set } } if ((numDevices > 1) && !acpiTimingSettings->Flags.b.IndependentTiming) { // // pick the slower of the two timings // (the smaller timing mode value, the slower it is) // if (timingMode[0] < timingMode[1]) { cycleTime[1] = cycleTime[0]; timingMode[1] = timingMode[0]; } else { cycleTime[0] = cycleTime[1]; timingMode[0] = timingMode[1]; } // // both dma mode have to be the same // if (useUdmaMode[0] != useUdmaMode[1]) { useUdmaMode[0] = 0; useUdmaMode[1] = 0; } } // // store the dma mode selected // for (i=0; iDevicePresent[i]) { XferMode->DeviceTransferModeSelected[i] |= timingMode[i]; newAcpiTimingSettings.Speed[i].Dma = cycleTime[i]; if (i==0) { newAcpiTimingSettings.Flags.b.UltraDma0 = useUdmaMode[i]; } else { newAcpiTimingSettings.Flags.b.UltraDma1 = useUdmaMode[i]; } } } if (fdoExtension->DmaDetectionLevel == DdlPioOnly) { // // remove all DMA modes // for (i=0; iDeviceTransferModeSelected[i] &= PIO_SUPPORT; } } if ((acpiTimingSettings->Speed[0].Pio != ACPI_XFER_MODE_NOT_SUPPORT) || (acpiTimingSettings->Speed[1].Pio != ACPI_XFER_MODE_NOT_SUPPORT)) { // // looks like we are on an ACPI machine and // it supports IDE timing control method (_STM) // for (i=0; iDevicePresent[i]) { ataIdentifyData[i] = fdoExtension->HwDeviceExtension->IdentifyData + i; } else { ataIdentifyData[i] = NULL; } } // // save the new timing settings // RtlCopyMemory ( &fdoExtension->AcpiTimingSettings, &newAcpiTimingSettings, sizeof(newAcpiTimingSettings)); // // call ACPI to program the timing registers // status = ChannelSyncSetACPITimingSettings ( fdoExtension, &newAcpiTimingSettings, ataIdentifyData ); } else { // // legacy controller // for (i=0; iDeviceTransferModeSelected[i] &= PIO_SUPPORT; } status = STATUS_SUCCESS; } return status; } NTSTATUS ChannelRestoreTiming ( IN PFDO_EXTENSION FdoExtension, IN PSET_ACPI_TIMING_COMPLETION_ROUTINE CallerCompletionRoutine, IN PVOID CallerContext ) { ULONG i; PIDENTIFY_DATA ataIdentifyData[MAX_IDE_DEVICE]; NTSTATUS status; PACPI_IDE_TIMING acpiTimingSettings; acpiTimingSettings = &FdoExtension->AcpiTimingSettings; if (FdoExtension->NumberOfLogicalUnits && ((acpiTimingSettings->Speed[0].Pio != ACPI_XFER_MODE_NOT_SUPPORT) || (acpiTimingSettings->Speed[1].Pio != ACPI_XFER_MODE_NOT_SUPPORT))) { // // looks like we are on an ACPI machine and // it supports IDE timing control method (_STM) // for (i=0; iHwDeviceExtension->DeviceFlags[i] & DFLAGS_DEVICE_PRESENT) { ataIdentifyData[i] = FdoExtension->HwDeviceExtension->IdentifyData + i; } else { ataIdentifyData[i] = NULL; } } // // call ACPI to program the timing registers // status = ChannelSetACPITimingSettings ( FdoExtension, acpiTimingSettings, ataIdentifyData, CallerCompletionRoutine, CallerContext ); } else { // // non-acpi controller // if (FdoExtension->NumberOfLogicalUnits) { AtapiSyncSelectTransferMode ( FdoExtension, FdoExtension->HwDeviceExtension, FdoExtension->TimingModeAllowed ); } (*CallerCompletionRoutine) ( FdoExtension->DeviceObject, STATUS_SUCCESS, CallerContext ); status = STATUS_SUCCESS; } return status; } NTSTATUS ChannelRestoreTimingCompletionRoutine ( IN PDEVICE_OBJECT DeviceObject, IN NTSTATUS Status, IN PVOID Context ) { PIO_STACK_LOCATION thisIrpSp; PFDO_POWER_CONTEXT context = Context; PIRP originalPowerIrp; context->TimingRestored = TRUE; originalPowerIrp = context->OriginalPowerIrp; originalPowerIrp->IoStatus.Status = Status; thisIrpSp = IoGetCurrentIrpStackLocation(originalPowerIrp); // // finish off the original power irp // FdoPowerCompletionRoutine ( thisIrpSp->DeviceObject, originalPowerIrp, Context ); // // continue with the irp completion // IoCompleteRequest (originalPowerIrp, IO_NO_INCREMENT); return Status; } NTSTATUS ChannelFilterResourceRequirements ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { NTSTATUS status; PFDO_EXTENSION fdoExtension; ULONG i, j, k; IO_STACK_LOCATION irpSp; PCIIDE_XFER_MODE_INTERFACE xferModeInterface; PIO_RESOURCE_REQUIREMENTS_LIST requirementsListIn; PIO_RESOURCE_LIST resourceListIn; PIO_RESOURCE_DESCRIPTOR resourceDescriptorIn; PIO_RESOURCE_DESCRIPTOR cmdRegResourceDescriptor; PIO_RESOURCE_DESCRIPTOR ctrlRegResourceDescriptor; PIO_RESOURCE_DESCRIPTOR intRegResourceDescriptor; PIO_RESOURCE_REQUIREMENTS_LIST requirementsListOut; ULONG requirementsListSizeOut; PIO_RESOURCE_LIST resourceListOut; PIO_RESOURCE_DESCRIPTOR resourceDescriptorOut; PAGED_CODE(); // // the value will stay NULL if no filtering required // requirementsListOut = NULL; #ifdef IDE_FILTER_PROMISE_TECH_RESOURCES if (NT_SUCCESS(ChannelFilterPromiseTechResourceRequirements (DeviceObject, Irp))) { goto getout; } #endif // IDE_FILTER_PROMISE_TECH_RESOURCES // // do a simple test to check if we have a pciidex parent // RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryInterface.InterfaceType = (LPGUID) &GUID_PCIIDE_XFER_MODE_INTERFACE; irpSp.Parameters.QueryInterface.Version = 1; irpSp.Parameters.QueryInterface.Size = sizeof (xferModeInterface); irpSp.Parameters.QueryInterface.Interface = (PINTERFACE) &xferModeInterface; irpSp.Parameters.QueryInterface.InterfaceSpecificData = NULL; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_INTERFACE; fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; status = IdePortSyncSendIrp (fdoExtension->AttacheeDeviceObject, &irpSp, NULL); if (NT_SUCCESS(status)) { // // we have a pciidex as a parent. it would // take care of the resource requirement // no need to filter // goto getout; } if (NT_SUCCESS(Irp->IoStatus.Status)) { ASSERT (Irp->IoStatus.Information); requirementsListIn = (PIO_RESOURCE_REQUIREMENTS_LIST) Irp->IoStatus.Information; } else { PIO_STACK_LOCATION thisIrpSp; thisIrpSp = IoGetCurrentIrpStackLocation(Irp); requirementsListIn = thisIrpSp->Parameters.FilterResourceRequirements.IoResourceRequirementList; } if (requirementsListIn == NULL) { goto getout; } if (requirementsListIn->AlternativeLists == 0) { goto getout; } requirementsListSizeOut = requirementsListIn->ListSize + requirementsListIn->AlternativeLists * sizeof(IO_RESOURCE_DESCRIPTOR); requirementsListOut = ExAllocatePool (PagedPool, requirementsListSizeOut); if (requirementsListOut == NULL) { goto getout; } *requirementsListOut = *requirementsListIn; requirementsListOut->ListSize = requirementsListSizeOut; // // some init. // resourceListIn = requirementsListIn->List; resourceListOut = requirementsListOut->List; for (j=0; jAlternativeLists; j++) { resourceDescriptorIn = resourceListIn->Descriptors; // // analyze what resources we are getting // cmdRegResourceDescriptor = NULL; ctrlRegResourceDescriptor = NULL; intRegResourceDescriptor = NULL; for (i=0; iCount; i++) { switch (resourceDescriptorIn[i].Type) { case CmResourceTypePort: { if ((resourceDescriptorIn[i].u.Port.Length == 8) && (cmdRegResourceDescriptor == NULL)) { cmdRegResourceDescriptor = resourceDescriptorIn + i; } else if (((resourceDescriptorIn[i].u.Port.Length == 1) || (resourceDescriptorIn[i].u.Port.Length == 2) || (resourceDescriptorIn[i].u.Port.Length == 4)) && (ctrlRegResourceDescriptor == NULL)) { ctrlRegResourceDescriptor = resourceDescriptorIn + i; } else if ((resourceDescriptorIn[i].u.Port.Length >= 0x10) && (cmdRegResourceDescriptor == NULL) && (ctrlRegResourceDescriptor == NULL)) { // // probably pcmcia device. it likes to combine // both io ranges into 1. // cmdRegResourceDescriptor = resourceDescriptorIn + i; ctrlRegResourceDescriptor = resourceDescriptorIn + i; } } break; case CmResourceTypeInterrupt: { if (intRegResourceDescriptor == NULL) { intRegResourceDescriptor = resourceDescriptorIn + i; } } break; default: break; } } // // making a new copy // *resourceListOut = *resourceListIn; // // figure out what is missing // if (cmdRegResourceDescriptor && ((cmdRegResourceDescriptor->u.Port.MaximumAddress.QuadPart - cmdRegResourceDescriptor->u.Port.MinimumAddress.QuadPart + 1) == 8) && (ctrlRegResourceDescriptor == NULL)) { // // missing controller register resource descriptor. // resourceDescriptorOut = resourceListOut->Descriptors; for (i=0; iCount; i++) { *resourceDescriptorOut = resourceDescriptorIn[i]; resourceDescriptorOut++; if ((resourceDescriptorIn + i) == cmdRegResourceDescriptor) { // // add the control register resource // *resourceDescriptorOut = resourceDescriptorIn[i]; resourceDescriptorOut->u.Port.Length = 1; resourceDescriptorOut->u.Port.Alignment = 1; resourceDescriptorOut->u.Port.MinimumAddress.QuadPart = resourceDescriptorOut->u.Port.MaximumAddress.QuadPart = cmdRegResourceDescriptor->u.Port.MinimumAddress.QuadPart + 0x206; resourceDescriptorOut++; } } // // account for the new control register resource // resourceListOut->Count++; } else { resourceDescriptorOut = resourceListOut->Descriptors; k = resourceListOut->Count; for (i = 0; i < k; i++) { if (IsNEC_98) { // // NEC98 DevNode includes the ide rom memory resource. // But it should be gotten by NTDETECT.COM&HAL.DLL, so ignore it here. // if ((resourceDescriptorIn[i].Type == CmResourceTypeMemory) && (resourceDescriptorIn[i].u.Memory.MinimumAddress.QuadPart == 0xd8000) && (resourceDescriptorIn[i].u.Memory.Length == 0x4000)) { resourceListOut->Count--; continue; } } *resourceDescriptorOut = resourceDescriptorIn[i]; resourceDescriptorOut++; } } resourceListIn = (PIO_RESOURCE_LIST) (resourceDescriptorIn + resourceListIn->Count); resourceListOut = (PIO_RESOURCE_LIST) resourceDescriptorOut; } getout: if (requirementsListOut) { if (NT_SUCCESS(Irp->IoStatus.Status)) { ExFreePool ((PVOID) Irp->IoStatus.Information); } else { Irp->IoStatus.Status = STATUS_SUCCESS; } Irp->IoStatus.Information = (ULONG_PTR) requirementsListOut; } return IdePortPassDownToNextDriver (DeviceObject, Irp); } static PCWSTR PcmciaIdeChannelDeviceId = L"PCMCIA\\*PNP0600"; BOOLEAN ChannelQueryPcmciaParent ( PFDO_EXTENSION FdoExtension ) { BOOLEAN foundIt = FALSE; NTSTATUS status; IO_STATUS_BLOCK ioStatus; IO_STACK_LOCATION irpSp; PAGED_CODE(); // // do a simple test to check if we have a pciidex parent // RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryId.IdType = BusQueryHardwareIDs; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_ID; ioStatus.Status = STATUS_NOT_SUPPORTED; status = IdePortSyncSendIrp (FdoExtension->AttacheeDeviceObject, &irpSp, &ioStatus); if (NT_SUCCESS(status)) { PWSTR wstr; UNICODE_STRING hwId; UNICODE_STRING targetId; RtlInitUnicodeString( &targetId, PcmciaIdeChannelDeviceId); wstr = (PWSTR) ioStatus.Information; while (*wstr) { RtlInitUnicodeString(&hwId, wstr); if (!RtlCompareUnicodeString( &hwId, &targetId, FALSE)) { ExFreePool ((PVOID) ioStatus.Information); DebugPrint ((DBG_PNP, "ATAPI: pcmcia parent\n")); return TRUE; } wstr += hwId.Length / sizeof(WCHAR); wstr++; // NULL character } ExFreePool ((PVOID) ioStatus.Information); } return FALSE; } #ifdef IDE_FILTER_PROMISE_TECH_RESOURCES static PCWSTR PromiseTechDeviceId[] = { L"ISAPNP\\BJB1000" }; #define NUM_PROMISE_TECH_ID (sizeof(PromiseTechDeviceId)/sizeof(PCWSTR)) NTSTATUS ChannelFilterPromiseTechResourceRequirements ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { BOOLEAN foundIt = FALSE; BOOLEAN firstIrq = FALSE; ULONG numExtraIoResDescriptor = 0; NTSTATUS status; IO_STATUS_BLOCK ioStatus; PFDO_EXTENSION fdoExtension; ULONG i, j, k; IO_STACK_LOCATION irpSp; PCIIDE_XFER_MODE_INTERFACE xferModeInterface; PIO_RESOURCE_REQUIREMENTS_LIST requirementsListIn; PIO_RESOURCE_LIST resourceListIn; PIO_RESOURCE_DESCRIPTOR resourceDescriptorIn; PIO_RESOURCE_DESCRIPTOR brokenResourceDescriptor; PIO_RESOURCE_DESCRIPTOR cmdRegResourceDescriptor; PIO_RESOURCE_DESCRIPTOR ctrlRegResourceDescriptor; PIO_RESOURCE_DESCRIPTOR intRegResourceDescriptor; PIO_RESOURCE_REQUIREMENTS_LIST requirementsListOut; ULONG requirementsListSizeOut; PIO_RESOURCE_LIST resourceListOut; PIO_RESOURCE_DESCRIPTOR resourceDescriptorOut; PAGED_CODE(); // // the value will stay NULL if no filtering required // requirementsListOut = NULL; // // do a simple test to check if we have a pciidex parent // RtlZeroMemory (&irpSp, sizeof(irpSp)); irpSp.Parameters.QueryId.IdType = BusQueryDeviceID; irpSp.MajorFunction = IRP_MJ_PNP; irpSp.MinorFunction = IRP_MN_QUERY_ID; fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; ioStatus.Status = STATUS_NOT_SUPPORTED; status = IdePortSyncSendIrp (fdoExtension->AttacheeDeviceObject, &irpSp, &ioStatus); if (NT_SUCCESS(status)) { UNICODE_STRING deviceId; UNICODE_STRING promiseTechDeviceId; RtlInitUnicodeString( &deviceId, (PCWSTR) ioStatus.Information); for (i=0; i= promiseTechDeviceId.Length) { deviceId.Length = promiseTechDeviceId.Length; if (!RtlCompareUnicodeString( &promiseTechDeviceId, &deviceId, FALSE)) { foundIt = TRUE; } } } ExFreePool ((PVOID) ioStatus.Information); } if (!foundIt) { goto getout; } if (NT_SUCCESS(Irp->IoStatus.Status)) { ASSERT (Irp->IoStatus.Information); requirementsListIn = (PIO_RESOURCE_REQUIREMENTS_LIST) Irp->IoStatus.Information; } else { PIO_STACK_LOCATION thisIrpSp; thisIrpSp = IoGetCurrentIrpStackLocation(Irp); requirementsListIn = thisIrpSp->Parameters.FilterResourceRequirements.IoResourceRequirementList; } if (requirementsListIn == NULL) { goto getout; } if (requirementsListIn->AlternativeLists == 0) { goto getout; } // // look for the bad resource descriptior // resourceListIn = requirementsListIn->List; brokenResourceDescriptor = NULL; for (j=0; jAlternativeLists; j++) { resourceDescriptorIn = resourceListIn->Descriptors; // // analyze what resources we are getting // for (i=0; iCount; i++) { switch (resourceDescriptorIn[i].Type) { case CmResourceTypePort: { ULONG alignmentMask; alignmentMask = resourceDescriptorIn[i].u.Port.Alignment - 1; if (resourceDescriptorIn[i].u.Port.MinimumAddress.LowPart & alignmentMask) { // // broken resource requirement; // brokenResourceDescriptor = resourceDescriptorIn + i; } } break; default: break; } } } if (brokenResourceDescriptor) { ULONG alignmentMask; PHYSICAL_ADDRESS minAddress; PHYSICAL_ADDRESS addressRange; alignmentMask = brokenResourceDescriptor->u.Port.Alignment - 1; alignmentMask = ~alignmentMask; minAddress = brokenResourceDescriptor->u.Port.MinimumAddress; minAddress.LowPart &= alignmentMask; addressRange.QuadPart = (brokenResourceDescriptor->u.Port.MaximumAddress.QuadPart - minAddress.QuadPart); numExtraIoResDescriptor = (ULONG) (addressRange.QuadPart / brokenResourceDescriptor->u.Port.Alignment); } requirementsListSizeOut = requirementsListIn->ListSize + numExtraIoResDescriptor * sizeof(IO_RESOURCE_DESCRIPTOR); requirementsListOut = ExAllocatePool (PagedPool, requirementsListSizeOut); if (requirementsListOut == NULL) { goto getout; } *requirementsListOut = *requirementsListIn; requirementsListOut->ListSize = requirementsListSizeOut; // // some init. // resourceListIn = requirementsListIn->List; resourceListOut = requirementsListOut->List; for (j=0; jAlternativeLists; j++) { resourceDescriptorIn = resourceListIn->Descriptors; // // making a new copy // *resourceListOut = *resourceListIn; resourceListOut->Count = 0; // // analyze what resources we are getting // resourceDescriptorOut = resourceListOut->Descriptors; firstIrq = TRUE; for (i=0; iCount; i++) { switch (resourceDescriptorIn[i].Type) { case CmResourceTypePort: { if ((resourceDescriptorIn + i == brokenResourceDescriptor) && (numExtraIoResDescriptor)) { for (k=0; kOption = IO_RESOURCE_ALTERNATIVE; } resourceDescriptorOut->u.Port.Alignment = 1; resourceDescriptorOut->u.Port.MinimumAddress.QuadPart = brokenResourceDescriptor->u.Port.MinimumAddress.QuadPart + k * brokenResourceDescriptor->u.Port.Alignment; resourceDescriptorOut->u.Port.MaximumAddress.QuadPart = resourceDescriptorOut->u.Port.MinimumAddress.QuadPart + resourceDescriptorOut->u.Port.Length - 1; resourceDescriptorOut++; resourceListOut->Count++; } } else { *resourceDescriptorOut = resourceDescriptorIn[i]; resourceDescriptorOut++; resourceListOut->Count++; } } break; case CmResourceTypeInterrupt: { // // keep all irqs except 9 which doesn't really work // if (!((resourceDescriptorIn[i].u.Interrupt.MinimumVector == 0x9) && (resourceDescriptorIn[i].u.Interrupt.MaximumVector == 0x9))) { *resourceDescriptorOut = resourceDescriptorIn[i]; if (firstIrq) { resourceDescriptorOut->Option = 0; firstIrq = FALSE; } else { resourceDescriptorOut->Option = IO_RESOURCE_ALTERNATIVE; } resourceDescriptorOut++; resourceListOut->Count++; } } break; default: *resourceDescriptorOut = resourceDescriptorIn[i]; resourceDescriptorOut++; resourceListOut->Count++; break; } } resourceListIn = (PIO_RESOURCE_LIST) (resourceDescriptorIn + resourceListIn->Count); resourceListOut = (PIO_RESOURCE_LIST) resourceDescriptorOut; } getout: if (requirementsListOut) { if (NT_SUCCESS(Irp->IoStatus.Status)) { ExFreePool ((PVOID) Irp->IoStatus.Information); } else { Irp->IoStatus.Status = STATUS_SUCCESS; } Irp->IoStatus.Information = (ULONG_PTR) requirementsListOut; return STATUS_SUCCESS; } else { return STATUS_INVALID_PARAMETER; } } #endif // IDE_FILTER_PROMISE_TECH_RESOURCES NTSTATUS ChannelQueryPnPDeviceState ( IN PDEVICE_OBJECT DeviceObject, IN OUT PIRP Irp ) { PFDO_EXTENSION fdoExtension; PPNP_DEVICE_STATE deviceState; fdoExtension = (PFDO_EXTENSION) DeviceObject->DeviceExtension; DebugPrint((DBG_PNP, "QUERY_DEVICE_STATE for FDOE 0x%x\n", fdoExtension)); if(fdoExtension->PagingPathCount != 0) { deviceState = (PPNP_DEVICE_STATE) &(Irp->IoStatus.Information); SETMASK((*deviceState), PNP_DEVICE_NOT_DISABLEABLE); } Irp->IoStatus.Status = STATUS_SUCCESS; IoSkipCurrentIrpStackLocation (Irp); return IoCallDriver (fdoExtension->AttacheeDeviceObject, Irp); }