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windows-nt/Source/XPSP1/NT/drivers/storage/ide/atapi/chanfdo.c

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2020-09-26 03:20:57 -05:00
/*++
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;
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; i<resourceList->Count; i++) {
ULONG partialResourceListSize;
partialResourceList = &(fullResourceList->PartialResourceList);
partialDescriptors = partialResourceList->PartialDescriptors;
partialResourceListSize = 0;
for (i=0; i<partialResourceList->Count; 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 i;
ULONG j;
resourceList = ResourceListToKeep;
fullResourceList = resourceList->List;
resourceListSize = 0;
DebugPrint ((1, "IdePort: Starting device: FDOe\n", FdoExtension));
for (i=0; i<resourceList->Count; i++) {
partialResourceList = &(fullResourceList->PartialResourceList);
partialDescriptors = fullResourceList->PartialResourceList.PartialDescriptors;
for (j=0; j<partialResourceList->Count; 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);
}
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 parent's access token to serialize access with siblings (broken pci-ide)
//
ChannelQuerySyncAccessInterface (
FdoExtension
);
//
// 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;i<MAX_IDE_DEVICE;i++) {
if (FdoExtension->ReserveAllocFailureLogEntry[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;
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;
for (i=0; i <= (*scsiportNumber); i++) {
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;
}
}
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
));
//
// 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, &currentIrql);
deadMeat = pdoExtension->PdoState & PDOS_DEADMEAT ? TRUE : FALSE;
KeReleaseSpinLock(&pdoExtension->PdoSpinLock, currentIrql);
if (!deadMeat) {
KeAcquireSpinLock(&pdoExtension->PdoSpinLock, &currentIrql);
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, &currentIrql);
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; i<MAX_IDE_DEVICE; i++) {
if (FdoExtension->AcpiTimingSettings.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; i<MAX_IDE_DEVICE; i++) {
if (FdoExtension->AcpiTimingSettings.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; i<MAX_IDE_DEVICE; i++) {
if (XferMode->DevicePresent[i]) {
numDevices++;
}
}
ASSERT (numDevices);
//
// pick the device pio timing
//
for (i=0; i<MAX_IDE_DEVICE; i++) {
ULONG mode;
if (!XferMode->DevicePresent[i]) {
continue;
}
GetHighestPIOTransferMode(XferMode->DeviceTransferModeSupported[i], mode);
timingMode[i] = 1<<mode;
cycleTime[i] = XferMode->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; i<MAX_IDE_DEVICE; i++) {
if (XferMode->DevicePresent[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; i<MAX_IDE_DEVICE; i++) {
ULONG mode;
BOOLEAN useDma = TRUE;
timingMode[i] = 0;
cycleTime[i]= ACPI_XFER_MODE_NOT_SUPPORT;
if (!XferMode->DevicePresent[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<<mode))) {
timingMode[i] = 1<<mode;
cycleTime[i] = transferModeTimingTable[mode];
ASSERT(cycleTime[i]);
// we got a udma mode. so don't try to find a dma mode.
useDma = FALSE;
break;
}
mode--;
}
}
//
// highest DMA mode
// useDma is false only when either dma is not supported or an udma mode is
// already selected.
//
if (useDma) {
ULONG tempMode;
// we shouldn't be using UDMA now.
// this will set the flags for STM correctly.
useUdmaMode[i]=FALSE;
// mask out UDMA and MWDMA0
tempMode = XferMode->
DeviceTransferModeSupported[i] & (SWDMA_SUPPORT | MWDMA_SUPPORT);
tempMode &= (~MWDMA_MODE0);
GetHighestDMATransferMode(tempMode, mode);
if (mode >= MWDMA1) {
timingMode[i] = 1<<mode;
cycleTime[i] = XferMode->BestMwDmaCycleTime[i];
ASSERT(cycleTime[i]);
} else if (mode == SWDMA2) {
timingMode[i] = 1<<mode;
cycleTime[i] = XferMode->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; i<MAX_IDE_DEVICE; i++) {
if (XferMode->DevicePresent[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; i<MAX_IDE_DEVICE; i++) {
XferMode->DeviceTransferModeSelected[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; i<MAX_IDE_DEVICE; i++) {
if (XferMode->DevicePresent[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; i<MAX_IDE_DEVICE; i++) {
XferMode->DeviceTransferModeSelected[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; i<MAX_IDE_DEVICE; i++) {
if (FdoExtension->HwDeviceExtension->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; j<requirementsListIn->AlternativeLists; j++) {
resourceDescriptorIn = resourceListIn->Descriptors;
//
// analyze what resources we are getting
//
cmdRegResourceDescriptor = NULL;
ctrlRegResourceDescriptor = NULL;
intRegResourceDescriptor = NULL;
for (i=0; i<resourceListIn->Count; 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; i<resourceListOut->Count; 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<NUM_PROMISE_TECH_ID && !foundIt; i++) {
RtlInitUnicodeString(
&promiseTechDeviceId,
PromiseTechDeviceId[i]);
if (deviceId.Length >= 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; j<requirementsListIn->AlternativeLists; j++) {
resourceDescriptorIn = resourceListIn->Descriptors;
//
// analyze what resources we are getting
//
for (i=0; i<resourceListIn->Count; 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; j<requirementsListIn->AlternativeLists; 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; i<resourceListIn->Count; i++) {
switch (resourceDescriptorIn[i].Type) {
case CmResourceTypePort: {
if ((resourceDescriptorIn + i == brokenResourceDescriptor) &&
(numExtraIoResDescriptor)) {
for (k=0; k<numExtraIoResDescriptor; k++) {
*resourceDescriptorOut = resourceDescriptorIn[i];
if (k != 0) {
resourceDescriptorOut->Option = 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);
}
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