NTSTATUS Bus_CreateClose(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
PIO_STACK_LOCATION irpStack;
NTSTATUS status;
PFDO_DEVICE_DATA fdoData;
PCOMMON_DEVICE_DATA commonData;
PAGED_CODE();
commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension;
if (!commonData->IsFDO)
{
Irp->IoStatus.Status = status = STATUS_INVALID_DEVICE_REQUEST;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
if (fdoData->DevicePnPState == Deleted)
{
Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
Bus_IncIoCount(fdoData);
irpStack = IoGetCurrentIrpStackLocation(Irp);
switch (irpStack->MajorFunction)
{
case IRP_MJ_CREATE:
Bus_KdPrint(("Create \n"));
status = STATUS_SUCCESS;
break;
case IRP_MJ_CLOSE:
Bus_KdPrint(("Close \n"));
status = STATUS_SUCCESS;
break;
default:
status = STATUS_INVALID_DEVICE_REQUEST;
break;
}
Irp->IoStatus.Information = 0;
Irp->IoStatus.Status = status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
Bus_DecIoCount(fdoData);
return status;
}
NTSTATUS
Bus_SystemControl (
__in PDEVICE_OBJECT DeviceObject,
__in PIRP Irp
)
/*++
Routine Description
We have just received a System Control IRP.
Assume that this is a WMI IRP and
call into the WMI system library and let it handle this IRP for us.
--*/
{
PFDO_DEVICE_DATA fdoData;
SYSCTL_IRP_DISPOSITION disposition;
NTSTATUS status;
PIO_STACK_LOCATION stack;
PCOMMON_DEVICE_DATA commonData;
PAGED_CODE();
KdPrint(("Bus SystemControl\r\n"));
stack = IoGetCurrentIrpStackLocation (Irp);
commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension;
if (!commonData->IsFDO) {
//
// The PDO, just complete the request with the current status
//
Bus_KdPrint (commonData, BUS_DBG_WMI_TRACE,
("PDO %s\n", WMIMinorFunctionString(stack->MinorFunction)));
status = Irp->IoStatus.Status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
return status;
}
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
Bus_KdPrint (fdoData, BUS_DBG_WMI_TRACE,
("FDO: %s\n", WMIMinorFunctionString(stack->MinorFunction)));
Bus_IncIoCount (fdoData);
if (fdoData->DevicePnPState == Deleted) {
Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE ;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (fdoData);
return status;
}
status = WmiSystemControl(&fdoData->WmiLibInfo,
DeviceObject,
Irp,
&disposition);
switch(disposition)
{
case IrpProcessed:
{
//
// This irp has been processed and may be completed or pending.
break;
}
case IrpNotCompleted:
{
//
// This irp has not been completed, but has been fully processed.
// we will complete it now
IoCompleteRequest(Irp, IO_NO_INCREMENT);
break;
}
case IrpForward:
case IrpNotWmi:
{
//
// This irp is either not a WMI irp or is a WMI irp targetted
// at a device lower in the stack.
IoSkipCurrentIrpStackLocation (Irp);
status = IoCallDriver (fdoData->NextLowerDriver, Irp);
break;
}
default:
{
//
// We really should never get here, but if we do just forward....
ASSERT(FALSE);
IoSkipCurrentIrpStackLocation (Irp);
status = IoCallDriver (fdoData->NextLowerDriver, Irp);
break;
}
}
Bus_DecIoCount (fdoData);
return(status);
}
NTSTATUS
Bus_CreateClose (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
/*++
Routine Description:
Some outside source is trying to create a file against us.
If this is for the FDO (the bus itself) then the caller
is trying to open the proprietary connection to tell us
to enumerate or remove a device.
If this is for the PDO (an object on the bus) then this
is a client that wishes to use the toaster device.
Arguments:
DeviceObject - pointer to a device object.
Irp - pointer to an I/O Request Packet.
Return Value:
NT status code
--*/
{
PIO_STACK_LOCATION irpStack;
NTSTATUS status;
PFDO_DEVICE_DATA fdoData;
PAGED_CODE ();
Bus_KdPrint_Def (BUS_DBG_SS_TRACE, ("Entered. \n"));
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Information = 0;
Bus_IncIoCount (fdoData);
//
// If it's not for the FDO. We don't allow create/close on PDO
//
if (fdoData->IsFDO) {
//
// Check to see whether the bus is removed
//
if (fdoData->DevicePnPState == Deleted){
status = STATUS_NO_SUCH_DEVICE;
} else {
irpStack = IoGetCurrentIrpStackLocation (Irp);
switch (irpStack->MajorFunction) {
case IRP_MJ_CREATE:
Bus_KdPrint_Def (BUS_DBG_SS_TRACE, ("Create \n"));
status = STATUS_SUCCESS;
break;
case IRP_MJ_CLOSE:
Bus_KdPrint_Def (BUS_DBG_SS_TRACE, ("Close \n"));
status = STATUS_SUCCESS;
break;
default:
break;
}
}
}
Irp->IoStatus.Status = status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (fdoData);
return status;
}
NTSTATUS
Bus_FDO_PnP (
__in PDEVICE_OBJECT DeviceObject,
__in PIRP Irp,
__in PIO_STACK_LOCATION IrpStack,
__in PFDO_DEVICE_DATA DeviceData
)
/*++
Routine Description:
Handle requests from the Plug & Play system for the BUS itself
--*/
{
NTSTATUS status;
ULONG length, prevcount, numPdosPresent;
PLIST_ENTRY entry, listHead, nextEntry;
PPDO_DEVICE_DATA pdoData;
PDEVICE_RELATIONS relations, oldRelations;
PAGED_CODE ();
Bus_IncIoCount (DeviceData);
switch (IrpStack->MinorFunction) {
case IRP_MN_START_DEVICE:
//
// Send the Irp down and wait for it to come back.
// Do not touch the hardware until then.
//
status = Bus_SendIrpSynchronously (DeviceData->NextLowerDriver, Irp);
if (NT_SUCCESS(status)) {
//
// Initialize your device with the resources provided
// by the PnP manager to your device.
//
status = Bus_StartFdo (DeviceData, Irp);
}
//
// We must now complete the IRP, since we stopped it in the
// completion routine with MORE_PROCESSING_REQUIRED.
//
Irp->IoStatus.Status = status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (DeviceData);
return status;
case IRP_MN_QUERY_STOP_DEVICE:
//
// The PnP manager is trying to stop the device
// for resource rebalancing. Fail this now if you
// cannot stop the device in response to STOP_DEVICE.
//
SET_NEW_PNP_STATE(DeviceData, StopPending);
Irp->IoStatus.Status = STATUS_SUCCESS; // You must not fail the IRP.
break;
case IRP_MN_CANCEL_STOP_DEVICE:
//
// The PnP Manager sends this IRP, at some point after an
// IRP_MN_QUERY_STOP_DEVICE, to inform the drivers for a
// device that the device will not be stopped for
// resource reconfiguration.
//
//
// First check to see whether you have received cancel-stop
// without first receiving a query-stop. This could happen if
// someone above us fails a query-stop and passes down the subsequent
// cancel-stop.
//
if (StopPending == DeviceData->DevicePnPState)
{
//
// We did receive a query-stop, so restore.
//
RESTORE_PREVIOUS_PNP_STATE(DeviceData);
ASSERT(DeviceData->DevicePnPState == Started);
}
Irp->IoStatus.Status = STATUS_SUCCESS; // We must not fail the IRP.
break;
case IRP_MN_STOP_DEVICE:
//
// Stop device means that the resources given during Start device
// are now revoked. Note: You must not fail this Irp.
// But before you relieve resources make sure there are no I/O in
// progress. Wait for the existing ones to be finished.
// To do that, first we will decrement this very operation.
// When the counter goes to 1, Stop event is set.
//
Bus_DecIoCount(DeviceData);
KeWaitForSingleObject(
&DeviceData->StopEvent,
Executive, // Waiting reason of a driver
KernelMode, // Waiting in kernel mode
FALSE, // No allert
NULL); // No timeout
//
// Increment the counter back because this IRP has to
// be sent down to the lower stack.
//
Bus_IncIoCount (DeviceData);
//
// Free resources given by start device.
//
SET_NEW_PNP_STATE(DeviceData, Stopped);
//
// We don't need a completion routine so fire and forget.
//
// Set the current stack location to the next stack location and
// call the next device object.
//
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_REMOVE_DEVICE:
//
// If we were to fail this call then we would need to complete the
// IRP here. Since we are not, set the status to SUCCESS and
// call the next driver.
//
SET_NEW_PNP_STATE(DeviceData, RemovePending);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_CANCEL_REMOVE_DEVICE:
//
// If we were to fail this call then we would need to complete the
// IRP here. Since we are not, set the status to SUCCESS and
// call the next driver.
//
//
// First check to see whether you have received cancel-remove
// without first receiving a query-remove. This could happen if
// someone above us fails a query-remove and passes down the
// subsequent cancel-remove.
//
if (RemovePending == DeviceData->DevicePnPState)
{
//
// We did receive a query-remove, so restore.
//
RESTORE_PREVIOUS_PNP_STATE(DeviceData);
}
Irp->IoStatus.Status = STATUS_SUCCESS;// You must not fail the IRP.
break;
case IRP_MN_SURPRISE_REMOVAL:
//
// The device has been unexpectedly removed from the machine
// and is no longer available for I/O. Bus_RemoveFdo clears
// all the resources, frees the interface and de-registers
// with WMI, but it doesn't delete the FDO. That's done
// later in Remove device query.
//
SET_NEW_PNP_STATE(DeviceData, SurpriseRemovePending);
Bus_RemoveFdo(DeviceData);
ExAcquireFastMutex (&DeviceData->Mutex);
listHead = &DeviceData->ListOfPDOs;
for(entry = listHead->Flink,nextEntry = entry->Flink;
entry != listHead;
entry = nextEntry,nextEntry = entry->Flink) {
pdoData = CONTAINING_RECORD (entry, PDO_DEVICE_DATA, Link);
RemoveEntryList (&pdoData->Link);
InitializeListHead (&pdoData->Link);
pdoData->ParentFdo = NULL;
pdoData->ReportedMissing = TRUE;
}
ExReleaseFastMutex (&DeviceData->Mutex);
Irp->IoStatus.Status = STATUS_SUCCESS; // You must not fail the IRP.
break;
case IRP_MN_REMOVE_DEVICE:
//
// The Plug & Play system has dictated the removal of this device.
// We have no choice but to detach and delete the device object.
//
//
// Check the state flag to see whether you are surprise removed
//
if (DeviceData->DevicePnPState != SurpriseRemovePending)
{
Bus_RemoveFdo(DeviceData);
}
SET_NEW_PNP_STATE(DeviceData, Deleted);
//
// Wait for all outstanding requests to complete.
// We need two decrements here, one for the increment in
// the beginning of this function, the other for the 1-biased value of
// OutstandingIO.
//
Bus_DecIoCount (DeviceData);
//
// The requestCount is at least one here (is 1-biased)
//
Bus_DecIoCount (DeviceData);
KeWaitForSingleObject (
&DeviceData->RemoveEvent,
Executive,
KernelMode,
FALSE,
NULL);
//
// Typically the system removes all the children before
// removing the parent FDO. If for any reason child Pdos are
// still present we will destroy them explicitly, with one exception -
// we will not delete the PDOs that are in SurpriseRemovePending state.
//
ExAcquireFastMutex (&DeviceData->Mutex);
listHead = &DeviceData->ListOfPDOs;
for(entry = listHead->Flink,nextEntry = entry->Flink;
entry != listHead;
entry = nextEntry,nextEntry = entry->Flink) {
pdoData = CONTAINING_RECORD (entry, PDO_DEVICE_DATA, Link);
RemoveEntryList (&pdoData->Link);
if (SurpriseRemovePending == pdoData->DevicePnPState)
{
//
// We will reinitialize the list head so that we
// wouldn't barf when we try to delink this PDO from
// the parent's PDOs list, when the system finally
// removes the PDO. Let's also not forget to set the
// ReportedMissing flag to cause the deletion of the PDO.
//
Bus_KdPrint_Cont(DeviceData, BUS_DBG_PNP_INFO,
("\tFound a surprise removed device: 0x%p\n", pdoData->Self));
InitializeListHead (&pdoData->Link);
pdoData->ParentFdo = NULL;
pdoData->ReportedMissing = TRUE;
continue;
}
DeviceData->NumPDOs--;
Bus_DestroyPdo (pdoData->Self, pdoData);
}
ExReleaseFastMutex (&DeviceData->Mutex);
//
// We need to send the remove down the stack before we detach,
// but we don't need to wait for the completion of this operation
// (and to register a completion routine).
//
Irp->IoStatus.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation (Irp);
status = IoCallDriver (DeviceData->NextLowerDriver, Irp);
//
// Detach from the underlying devices.
//
IoDetachDevice (DeviceData->NextLowerDriver);
Bus_KdPrint_Cont(DeviceData, BUS_DBG_PNP_INFO,
("\tDeleting FDO: 0x%p\n", DeviceObject));
IoDeleteDevice (DeviceObject);
return status;
case IRP_MN_QUERY_DEVICE_RELATIONS:
Bus_KdPrint_Cont (DeviceData, BUS_DBG_PNP_TRACE,
("\tQueryDeviceRelation Type: %s\n",
DbgDeviceRelationString(\
IrpStack->Parameters.QueryDeviceRelations.Type)));
if (BusRelations != IrpStack->Parameters.QueryDeviceRelations.Type) {
//
// We don't support any other Device Relations
//
break;
}
//
// Tell the plug and play system about all the PDOs.
//
// There might also be device relations below and above this FDO,
// so, be sure to propagate the relations from the upper drivers.
//
// No Completion routine is needed so long as the status is preset
// to success. (PDOs complete plug and play irps with the current
// IoStatus.Status and IoStatus.Information as the default.)
//
ExAcquireFastMutex (&DeviceData->Mutex);
oldRelations = (PDEVICE_RELATIONS) Irp->IoStatus.Information;
if (oldRelations) {
prevcount = oldRelations->Count;
if (!DeviceData->NumPDOs) {
//
// There is a device relations struct already present and we have
// nothing to add to it, so just call IoSkip and IoCall
//
ExReleaseFastMutex (&DeviceData->Mutex);
break;
}
}
else {
prevcount = 0;
}
//
// Calculate the number of PDOs actually present on the bus
//
numPdosPresent = 0;
for (entry = DeviceData->ListOfPDOs.Flink;
entry != &DeviceData->ListOfPDOs;
entry = entry->Flink) {
pdoData = CONTAINING_RECORD (entry, PDO_DEVICE_DATA, Link);
if (pdoData->Present)
numPdosPresent++;
}
//
// Need to allocate a new relations structure and add our
// PDOs to it.
//
length = sizeof(DEVICE_RELATIONS) +
((numPdosPresent + prevcount) * sizeof (PDEVICE_OBJECT)) -1;
relations = (PDEVICE_RELATIONS) ExAllocatePoolWithTag (PagedPool,
length, BUSENUM_POOL_TAG);
if (NULL == relations) {
//
// Fail the IRP
//
ExReleaseFastMutex (&DeviceData->Mutex);
Irp->IoStatus.Status = status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (DeviceData);
return status;
}
//
// Copy in the device objects so far
//
if (prevcount) {
RtlCopyMemory (relations->Objects, oldRelations->Objects,
prevcount * sizeof (PDEVICE_OBJECT));
}
relations->Count = prevcount + numPdosPresent;
//
// For each PDO present on this bus add a pointer to the device relations
// buffer, being sure to take out a reference to that object.
// The Plug & Play system will dereference the object when it is done
// with it and free the device relations buffer.
//
for (entry = DeviceData->ListOfPDOs.Flink;
entry != &DeviceData->ListOfPDOs;
entry = entry->Flink) {
pdoData = CONTAINING_RECORD (entry, PDO_DEVICE_DATA, Link);
if (pdoData->Present) {
relations->Objects[prevcount] = pdoData->Self;
ObReferenceObject (pdoData->Self);
prevcount++;
} else {
pdoData->ReportedMissing = TRUE;
}
}
Bus_KdPrint_Cont (DeviceData, BUS_DBG_PNP_TRACE,
("\t#PDOS present = %d\n\t#PDOs reported = %d\n",
DeviceData->NumPDOs, relations->Count));
//
// Replace the relations structure in the IRP with the new
// one.
//
if (oldRelations) {
ExFreePool (oldRelations);
}
Irp->IoStatus.Information = (ULONG_PTR) relations;
ExReleaseFastMutex (&DeviceData->Mutex);
//
// Set up and pass the IRP further down the stack
//
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
default:
//
// In the default case we merely call the next driver.
// We must not modify Irp->IoStatus.Status or complete the IRP.
//
break;
}
IoSkipCurrentIrpStackLocation (Irp);
status = IoCallDriver (DeviceData->NextLowerDriver, Irp);
Bus_DecIoCount (DeviceData);
return status;
}
NTSTATUS
Bus_IoCtl (
__in PDEVICE_OBJECT DeviceObject,
__in PIRP Irp
)
/*++
Routine Description:
Handle user mode PlugIn, UnPlug and device Eject requests.
Arguments:
DeviceObject - pointer to a device object.
Irp - pointer to an I/O Request Packet.
Return Value:
NT status code
--*/
{
PIO_STACK_LOCATION irpStack;
NTSTATUS status;
ULONG inlen;
PFDO_DEVICE_DATA fdoData;
PVOID buffer;
PCOMMON_DEVICE_DATA commonData;
PAGED_CODE ();
commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension;
//
// We only allow create/close requests for the FDO.
// That is the bus itself.
//
if (!commonData->IsFDO) {
Irp->IoStatus.Status = status = STATUS_INVALID_DEVICE_REQUEST;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
return status;
}
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
Bus_IncIoCount (fdoData);
//
// Check to see whether the bus is removed
//
if (fdoData->DevicePnPState == Deleted) {
status = STATUS_NO_SUCH_DEVICE;
goto END;
}
irpStack = IoGetCurrentIrpStackLocation (Irp);
buffer = Irp->AssociatedIrp.SystemBuffer;
inlen = irpStack->Parameters.DeviceIoControl.InputBufferLength;
status = STATUS_INVALID_PARAMETER;
switch (irpStack->Parameters.DeviceIoControl.IoControlCode) {
case IOCTL_BUSENUM_PLUGIN_HARDWARE:
if (
//
// Make sure it has at least two nulls and the size
// field is set to the declared size of the struct
//
((sizeof (BUSENUM_PLUGIN_HARDWARE) + sizeof(UNICODE_NULL) * 2) <=
inlen) &&
//
// The size field should be set to the sizeof the struct as declared
// and *not* the size of the struct plus the multi_sz
//
(sizeof (BUSENUM_PLUGIN_HARDWARE) ==
((PBUSENUM_PLUGIN_HARDWARE) buffer)->Size)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("PlugIn called\n"));
status= Bus_PlugInDevice((PBUSENUM_PLUGIN_HARDWARE)buffer,
inlen, fdoData);
}
break;
case IOCTL_BUSENUM_UNPLUG_HARDWARE:
if ((sizeof (BUSENUM_UNPLUG_HARDWARE) == inlen) &&
(((PBUSENUM_UNPLUG_HARDWARE)buffer)->Size == inlen)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("UnPlug called\n"));
status= Bus_UnPlugDevice(
(PBUSENUM_UNPLUG_HARDWARE)buffer, fdoData);
}
break;
case IOCTL_BUSENUM_EJECT_HARDWARE:
if ((sizeof (BUSENUM_EJECT_HARDWARE) == inlen) &&
(((PBUSENUM_EJECT_HARDWARE)buffer)->Size == inlen)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("Eject called\n"));
status= Bus_EjectDevice((PBUSENUM_EJECT_HARDWARE)buffer, fdoData);
}
break;
default:
break; // default status is STATUS_INVALID_PARAMETER
}
Irp->IoStatus.Information = 0;
END:
Irp->IoStatus.Status = status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (fdoData);
return status;
}
NTSTATUS
Bus_FDO_Power (
PFDO_DEVICE_DATA Data,
PIRP Irp
)
/*++
Handles power Irps sent to the FDO.
This driver is power policy owner for the bus itself
(not the devices on the bus).Power handling for the bus FDO
should be implemented similar to the function driver (toaster.sys)
power code. We will just print some debug outputs and
forward this Irp to the next level.
Arguments:
Data - Pointer to the FDO device extension.
Irp - Pointer to the irp.
Return Value:
NT status is returned.
--*/
{
NTSTATUS status;
POWER_STATE powerState;
POWER_STATE_TYPE powerType;
PIO_STACK_LOCATION stack;
stack = IoGetCurrentIrpStackLocation (Irp);
powerType = stack->Parameters.Power.Type;
powerState = stack->Parameters.Power.State;
Bus_IncIoCount (Data);
//
// If the device is not stated yet, just pass it down.
//
if (Data->DevicePnPState == NotStarted) {
PoStartNextPowerIrp(Irp);
IoSkipCurrentIrpStackLocation(Irp);
status = PoCallDriver(Data->NextLowerDriver, Irp);
Bus_DecIoCount (Data);
return status;
}
if (stack->MinorFunction == IRP_MN_SET_POWER) {
Bus_KdPrint_Cont(Data, BUS_DBG_POWER_TRACE,
("\tRequest to set %s state to %s\n",
((powerType == SystemPowerState) ? "System" : "Device"),
((powerType == SystemPowerState) ? \
DbgSystemPowerString(powerState.SystemState) :\
DbgDevicePowerString(powerState.DeviceState))));
}
PoStartNextPowerIrp (Irp);
IoSkipCurrentIrpStackLocation(Irp);
status = PoCallDriver (Data->NextLowerDriver, Irp);
Bus_DecIoCount (Data);
return status;
}
NTSTATUS
Bus_IoCtl (
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
/*++
Routine Description:
Handle user mode PlugIn, UnPlug and device Eject requests.
Arguments:
DeviceObject - pointer to a device object.
Irp - pointer to an I/O Request Packet.
Return Value:
NT status code
--*/
{
PIO_STACK_LOCATION irpStack;
NTSTATUS status;
ULONG inlen, outlen;
PFDO_DEVICE_DATA fdoData;
PVOID buffer;
PAGED_CODE ();
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
//
// We only take Device Control requests for the FDO.
// That is the bus itself.
//
if (!fdoData->IsFDO) {
//
// These commands are only allowed to go to the FDO.
//
status = STATUS_INVALID_DEVICE_REQUEST;
Irp->IoStatus.Status = status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
return status;
}
//
// Check to see whether the bus is removed
//
if (fdoData->DevicePnPState == Deleted) {
Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
return status;
}
Bus_IncIoCount (fdoData);
irpStack = IoGetCurrentIrpStackLocation (Irp);
buffer = Irp->AssociatedIrp.SystemBuffer;
inlen = irpStack->Parameters.DeviceIoControl.InputBufferLength;
outlen = irpStack->Parameters.DeviceIoControl.OutputBufferLength;
status = STATUS_INVALID_PARAMETER;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("%d called\n", irpStack->Parameters.DeviceIoControl.IoControlCode));
switch (irpStack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_LANSCSI_ADD_TARGET:
{
PPDO_DEVICE_DATA pdoData;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET inlen %d, outlen %d, sizeof(LANSCSI_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(LANSCSI_ADD_TARGET_DATA)));
if ((inlen == outlen) &&
(sizeof(LANSCSI_ADD_TARGET_DATA) <= inlen)) {
ULONG ulSize;
PLANSCSI_ADD_TARGET_DATA pBuffer = buffer;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_LANSCSI_ADD_TARGET called\n"));
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET Target Type %d\n", pBuffer->ucTargetType));
// Check Parameter.
switch(pBuffer->ucTargetType) {
case DISK_TYPE_NORMAL:
case DISK_TYPE_DVD:
case DISK_TYPE_VDVD:
case DISK_TYPE_MO:
ulSize = sizeof(LANSCSI_ADD_TARGET_DATA);
if(pBuffer->ulNumberOfUnitDiskList != 1)
ulSize = 0; // Exit when Check if(ulSize != inlen)...
break;
case DISK_TYPE_MIRROR:
ulSize = sizeof(LANSCSI_ADD_TARGET_DATA) + sizeof(LSBUS_UNITDISK);
if(2 != pBuffer->ulNumberOfUnitDiskList)
ulSize = 0; // Exit when Check if(ulSize != inlen)...
break;
case DISK_TYPE_AGGREGATION:
ulSize = sizeof(LANSCSI_ADD_TARGET_DATA) + sizeof(LSBUS_UNITDISK) * (pBuffer->ulNumberOfUnitDiskList - 1);
if(pBuffer->ulNumberOfUnitDiskList < 1 || pBuffer->ulNumberOfUnitDiskList > 0xFFFF)
ulSize = 0; // Exit when Check if(ulSize != inlen)...
break;
case DISK_TYPE_BIND_RAID1:
ulSize = sizeof(LANSCSI_ADD_TARGET_DATA) + sizeof(LSBUS_UNITDISK) * (pBuffer->ulNumberOfUnitDiskList - 1);
// if(pBuffer->ulNumberOfUnitDiskList < 1 || pBuffer->ulNumberOfUnitDiskList > MAX_NR_TC_PER_TARGET)
if(pBuffer->ulNumberOfUnitDiskList < 2 || pBuffer->ulNumberOfUnitDiskList > 0xFFFF)
ulSize = 0; // Exit when Check if(ulSize != inlen)...
if(pBuffer->ulNumberOfUnitDiskList % 2) // should be the multiples of 2
ulSize = 0; // Exit when Check if(ulSize != inlen)...
break;
default:
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET: Bad Disk Type.\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
// Check Size.
if(ulSize != inlen) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET: Size mismatch. Req %d, in %d\n", ulSize, inlen));
status = STATUS_UNSUCCESSFUL;
break;
}
// Find Pdo Data...
pdoData = LookupPdoData(fdoData, pBuffer->ulSlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("no pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
/*
//
// redirect to the LanscsiMiniport Device
//
status = LSBus_IoctlToLSMPDevice(
pdoData,
LANSCSIMINIPORT_IOCTL_ADD_TARGET,
buffer,
sizeof(LANSCSI_ADD_TARGET_DATA),
NULL,
0
);
*/
pdoData->LanscsiAdapterPDO.AddTargetData = ExAllocatePool(NonPagedPool, inlen);
if(pdoData->LanscsiAdapterPDO.AddTargetData == NULL) {
status = STATUS_INSUFFICIENT_RESOURCES;
} else {
RtlCopyMemory(pdoData->LanscsiAdapterPDO.AddTargetData, pBuffer, inlen);
status = STATUS_SUCCESS;
}
//
// Notify to LanscsiMiniport
//
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET SetEvent AddTargetEvent!\n"));
KeSetEvent(&pdoData->LanscsiAdapterPDO.AddTargetEvent, IO_NO_INCREMENT, FALSE);
ObDereferenceObject(pdoData->Self);
Irp->IoStatus.Information = outlen;
}
else
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_LANSCSI_ADD_TARGET length mismatch!!! inlen %d, outlen %d, sizeof(LANSCSI_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(LANSCSI_ADD_TARGET_DATA)));
}
break;
case IOCTL_LANSCSI_REMOVE_TARGET:
{
PPDO_DEVICE_DATA pdoData;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_LANSCSI_REMOVE_TARGET called\n"));
if (sizeof (LANSCSI_REMOVE_TARGET_DATA) != inlen)
break;
pdoData = LookupPdoData(fdoData, ((PLANSCSI_REMOVE_TARGET_DATA)buffer)->ulSlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("no pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
//
// redirect to the LanscsiMiniport Device
//
status = LSBus_IoctlToLSMPDevice(
pdoData,
LANSCSIMINIPORT_IOCTL_REMOVE_TARGET,
buffer,
sizeof(LANSCSI_REMOVE_TARGET_DATA),
NULL,
0
);
ObDereferenceObject(pdoData->Self);
Irp->IoStatus.Information = outlen;
break;
}
case IOCTL_LANSCSI_SETPDOINFO:
{
PPDO_DEVICE_DATA pdoData;
PBUSENUM_SETPDOINFO SetPdoInfo;
KIRQL oldIrql;
PVOID sectionHandle;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_LANSCSI_SETPDOINFO called\n"));
if (sizeof (BUSENUM_SETPDOINFO) != inlen)
break;
SetPdoInfo = (PBUSENUM_SETPDOINFO)buffer;
pdoData = LookupPdoData(fdoData, (SetPdoInfo)->SlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("no pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
//
// set information
// lock the code section of the function to raise IRQL
// because the function is PAGED_CODE.
//
sectionHandle = MmLockPagableCodeSection(Bus_IoCtl);
KeAcquireSpinLock(&pdoData->LanscsiAdapterPDO.LSDevDataSpinLock, &oldIrql);
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("!!!!!!!!!!!!!!!!!! IOCTL_LANSCSI_SETPDOINFO: %08lx %08lx %08lx\n",
SetPdoInfo->AdapterStatus, SetPdoInfo->DesiredAccess, SetPdoInfo->GrantedAccess));
pdoData->LanscsiAdapterPDO.AdapterStatus = SetPdoInfo->AdapterStatus;
pdoData->LanscsiAdapterPDO.DesiredAccess = SetPdoInfo->DesiredAccess;
pdoData->LanscsiAdapterPDO.GrantedAccess = SetPdoInfo->GrantedAccess;
KeReleaseSpinLock(&pdoData->LanscsiAdapterPDO.LSDevDataSpinLock, oldIrql);
MmUnlockPagableImageSection(sectionHandle);
status = STATUS_SUCCESS;
ObDereferenceObject(pdoData->Self);
Irp->IoStatus.Information = outlen;
}
break;
case IOCTL_BUSENUM_QUERY_NODE_ALIVE:
{
PPDO_DEVICE_DATA pdoData;
BOOLEAN bAlive;
PBUSENUM_NODE_ALIVE_IN pNodeAliveIn;
BUSENUM_NODE_ALIVE_OUT nodeAliveOut;
// Check Parameter.
if(inlen != sizeof(BUSENUM_NODE_ALIVE_IN) ||
outlen != sizeof(BUSENUM_NODE_ALIVE_OUT)) {
status = STATUS_UNKNOWN_REVISION;
break;
}
pNodeAliveIn = (PBUSENUM_NODE_ALIVE_IN)Irp->AssociatedIrp.SystemBuffer;
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_NOISE,
("FDO: IOCTL_BUSENUM_QUERY_NODE_ALIVE SlotNumber = %d\n",
pNodeAliveIn->SlotNo));
pdoData = LookupPdoData(fdoData, pNodeAliveIn->SlotNo);
if(pdoData == NULL) {
// Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_TRACE,
// ("[LanScsiBus]Bus_IoCtl: IOCTL_BUSENUM_QUERY_NODE_ALIVE No pdo\n"));
bAlive = FALSE;
} else {
//
// Check this PDO would be removed...
//
if(pdoData->Present == TRUE)
bAlive = TRUE;
else
bAlive = FALSE;
}
// For Result...
nodeAliveOut.SlotNo = pNodeAliveIn->SlotNo;
nodeAliveOut.bAlive = bAlive;
// Get Adapter Status.
if(bAlive == TRUE)
{
if( ADAPTERINFO_ISSTATUS(pdoData->LanscsiAdapterPDO.AdapterStatus, ADAPTERINFO_STATUS_IN_ERROR) ||
ADAPTERINFO_ISSTATUS(pdoData->LanscsiAdapterPDO.AdapterStatus, ADAPTERINFO_STATUS_STOPPING) /*||
ADAPTERINFO_ISSTATUSFLAG(pdoData->LanscsiAdapterPDO.AdapterStatus, ADAPTERINFO_STATUSFLAG_MEMBER_FAULT) */
) {
nodeAliveOut.bHasError = TRUE;
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_BUSENUM_QUERY_NODE_ALIVE Adapter has Error 0x%x\n", nodeAliveOut.bHasError));
} else {
nodeAliveOut.bHasError = FALSE;
}
}
if(pdoData)
ObDereferenceObject(pdoData->Self);
RtlCopyMemory(
Irp->AssociatedIrp.SystemBuffer,
&nodeAliveOut,
sizeof(BUSENUM_NODE_ALIVE_OUT)
);
Irp->IoStatus.Information = sizeof(BUSENUM_NODE_ALIVE_OUT);
status = STATUS_SUCCESS;
}
break;
//
// added by hootch 01172004
//
case IOCTL_LANSCSI_UPGRADETOWRITE:
{
PPDO_DEVICE_DATA pdoData;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_LANSCSI_UPGRADETOWRITE called\n"));
// Check Parameter.
if(inlen != sizeof(BUSENUM_UPGRADE_TO_WRITE)) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_LANSCSI_UPGRADETOWRITE: Invalid input buffer length\n"));
status = STATUS_UNKNOWN_REVISION;
break;
}
pdoData = LookupPdoData(fdoData, ((PBUSENUM_UPGRADE_TO_WRITE)buffer)->SlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_LANSCSI_UPGRADETOWRITE No pdo\n"));
status = STATUS_NO_SUCH_DEVICE;
} else {
//
// redirect to the LanscsiMiniport Device
//
status = LSBus_IoctlToLSMPDevice(
pdoData,
LANSCSIMINIPORT_IOCTL_UPGRADETOWRITE,
buffer,
inlen,
buffer,
outlen
);
ObDereferenceObject(pdoData->Self);
}
Irp->IoStatus.Information = 0;
}
break;
case IOCTL_LANSCSI_QUERY_LSMPINFORMATION:
{
PPDO_DEVICE_DATA pdoData;
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_LANSCSI_QUERY_LSMPINFORMATION called\n"));
// Check Parameter.
if(inlen < sizeof(LSMPIOCTL_QUERYINFO)) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_LANSCSI_QUERY_LSMPINFORMATION: Invalid input buffer length too small.\n"));
status = STATUS_UNKNOWN_REVISION;
break;
}
pdoData = LookupPdoData(fdoData, ((PLSMPIOCTL_QUERYINFO)buffer)->SlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_LANSCSI_QUERY_LSMPINFORMATION No pdo\n"));
status = STATUS_NO_SUCH_DEVICE;
} else {
//
// redirect to the LanscsiMiniport Device
//
status = LSBus_IoctlToLSMPDevice(
pdoData,
LANSCSIMINIPORT_IOCTL_QUERYINFO_EX,
buffer,
inlen,
buffer,
outlen
);
ObDereferenceObject(pdoData->Self);
}
Irp->IoStatus.Information = outlen;
}
break;
case IOCTL_BUSENUM_QUERY_INFORMATION:
{
// PPDO_DEVICE_DATA pdoData;
BUSENUM_QUERY_INFORMATION Query;
PBUSENUM_INFORMATION Information;
LONG BufferLenNeeded;
// Check Parameter.
if( inlen < sizeof(BUSENUM_QUERY_INFORMATION) /*||
outlen < sizeof(BUSENUM_INFORMATION) */) {
status = STATUS_UNKNOWN_REVISION;
break;
}
RtlCopyMemory(&Query, buffer, sizeof(BUSENUM_QUERY_INFORMATION));
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_TRACE,
("FDO: IOCTL_BUSENUM_QUERY_INFORMATION QueryType : %d SlotNumber = %d\n",
Query.InfoClass, Query.SlotNo));
Information = (PBUSENUM_INFORMATION)buffer;
ASSERT(Information);
Information->InfoClass = Query.InfoClass;
status = LSBus_QueryInformation(fdoData, &Query, Information, outlen, &BufferLenNeeded);
if(NT_SUCCESS(status)) {
Information->Size = BufferLenNeeded;
Irp->IoStatus.Information = BufferLenNeeded;
} else {
Irp->IoStatus.Information = BufferLenNeeded;
}
}
break;
/*
case IOCTL_BUSENUM_PLUGIN_HARDWARE:
status = STATUS_INVALID_PARAMETER;
break;
*/
// inserted by ILGU
case IOCTL_BUSENUM_PLUGIN_HARDWARE_EX:
if ((inlen == outlen) &&
//
// Make sure it has at least two nulls and the size
// field is set to the declared size of the struct
//
((sizeof (BUSENUM_PLUGIN_HARDWARE_EX) + sizeof(UNICODE_NULL) * 2) <=
inlen) &&
//
// The size field should be set to the sizeof the struct as declared
// and *not* the size of the struct plus the multi_sz
//
(sizeof (BUSENUM_PLUGIN_HARDWARE_EX) ==
((PBUSENUM_PLUGIN_HARDWARE_EX) buffer)->Size)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("PlugIn called\n"));
status= Bus_PlugInDeviceEx((PBUSENUM_PLUGIN_HARDWARE_EX)buffer,
inlen, fdoData, Irp);
Irp->IoStatus.Information = outlen;
}
break;
case IOCTL_BUSENUM_UNPLUG_HARDWARE:
if ((sizeof (BUSENUM_UNPLUG_HARDWARE) == inlen) &&
(inlen == outlen) &&
(((PBUSENUM_UNPLUG_HARDWARE)buffer)->Size == inlen)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("UnPlug called\n"));
status= Bus_UnPlugDevice(
(PBUSENUM_UNPLUG_HARDWARE)buffer, fdoData);
Irp->IoStatus.Information = outlen;
}
break;
case IOCTL_BUSENUM_EJECT_HARDWARE:
if ((sizeof (BUSENUM_EJECT_HARDWARE) == inlen) &&
(inlen == outlen) &&
(((PBUSENUM_EJECT_HARDWARE)buffer)->Size == inlen)) {
Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("Eject called\n"));
status= Bus_EjectDevice((PBUSENUM_EJECT_HARDWARE)buffer, fdoData);
Irp->IoStatus.Information = outlen;
}
break;
// Added by ILGU HONG 2004_07_05
case IOCTL_DVD_GET_STATUS:
{
PPDO_DEVICE_DATA pdoData;
PBUSENUM_DVD_STATUS pDvdStatusData;
// Check Parameter.
if((inlen != outlen)
|| (sizeof(BUSENUM_DVD_STATUS) > inlen))
{
status = STATUS_UNSUCCESSFUL ;
break;
}
pDvdStatusData = (PBUSENUM_DVD_STATUS)Irp->AssociatedIrp.SystemBuffer;
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("FDO: IOCTL_DVD_GET_STATUS SlotNumber = %d\n",
pDvdStatusData->SlotNo));
pdoData = LookupPdoData(fdoData, pDvdStatusData->SlotNo);
if(pdoData == NULL) {
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_DVD_GET_STATUS No pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
} else {
if(pdoData->LanscsiAdapterPDO.AddTargetData->ucTargetType != DISK_TYPE_DVD)
{
Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR,
("IOCTL_DVD_GET_STATUS No DVD Device\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
//
// redirect to the LanscsiMiniport Device
//
status = LSBus_IoctlToLSMPDevice(
pdoData,
LANSCSIMINIPORT_IOCTL_GET_DVD_STATUS,
buffer,
inlen,
buffer,
outlen
) ;
ObDereferenceObject(pdoData->Self);
status = STATUS_SUCCESS;
Irp->IoStatus.Information = outlen;
}
}
break;
// Added by ILGU HONG 2004_07_05 end
#if 0
case IOCTL_VDVD_GET_VDVD_HD_INFO :
{
PGET_VDVD_HD_INFO pHeader = NULL;
if((inlen == outlen)
&& (sizeof(GET_VDVD_HD_INFO) <= inlen))
{
XXprint(4,("Called IOCTL_VDVD_GET_VDVD_HD_INFO\n"));
pHeader = (PGET_VDVD_HD_INFO)buffer;
switch(pHeader->COM){
case COM_GET_VDVD_COUNT :
{
if(inlen != sizeof(GET_VDVD_HD_INFO)){
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
pHeader->COUNT = FindVDVDPdoCount(fdoData);
XXprint(4,("COM_GET_VDVD_COUNT %d\n",pHeader->COUNT));
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
}
break;
case COM_GET_VDVD_HD_INFO :
{
PPDO_DEVICE_DATA pdoData;
PDISC_HEADER pDiscHeader = NULL;
if(inlen != sizeof(GET_VDVD_HD_INFO)){
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
pdoData = FindPdoData(fdoData, pHeader->SlotNo);
if(pdoData == NULL) {
XXprint(4,("COM_GET_VDVD_HD_INFO : Can't find pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
pDiscHeader = pdoData->LanscsiAdapter.LogicalTarget[0].Llu[0].Targets[0].TargetConnectionList.pHeader;
pHeader->DISC[0].DISCS = pDiscHeader->DISCS;
pHeader->DISC[0].ENABLE_DISCS = pDiscHeader->ENABLE_DISCS;
pHeader->DISC[0].SlotNo = pHeader->SlotNo;
XXprint(4,("COM_GET_VDVD_HD_INFO : #of DISC(%d), #of ENABLED(%d), SlotNo(%d)\n",
pHeader->DISC[0].DISCS,pHeader->DISC[0].ENABLE_DISCS, pHeader->DISC[0].SlotNo));
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
}
break;
case COM_GET_VDVD_HD_INFO_ALL:
{
int size = sizeof(GET_VDVD_HD_INFO) + (sizeof(VDVD_DISC_HD)*(pHeader->COUNT-1));
if(inlen != size){
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
FindVDVDPdoInfo(fdoData,pHeader);
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
}
break;
default:
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
}
else{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
}
}
break;
case IOCTL_VDVD_GET_VDVD_DISC_INFO:
{
XXprint(4,("Called IOCTL_VDVD_GET_VDVD_DISC_INFO START\n"));
if((inlen == outlen)
&& (sizeof(GET_VDVD_DISC_INFO) <= inlen))
{
PGET_VDVD_DISC_INFO pDiscInfo = (PGET_VDVD_DISC_INFO)buffer;
PTARGET_CONNECTION TargetConnection;
XXprint(4,("Called IOCTL_VDVD_GET_VDVD_DISC_INFO\n"));
switch(pDiscInfo->COM)
{
case COM_GET_VDVD_DISC_INFO :
{
PPDO_DEVICE_DATA pdoData;
PJUKE_DISC pInfo = NULL;
if(inlen != sizeof(GET_VDVD_DISC_INFO))
{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
pdoData = FindPdoData(fdoData, pDiscInfo->SlotNo);
if(pdoData == NULL) {
XXprint(4,("COM_GET_VDVD_DISC_INFO : Can't find pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
TargetConnection = &(pdoData->LanscsiAdapter.LogicalTarget[0].Llu[0].Targets[0].TargetConnectionList);
if(pDiscInfo->DiscNo >= TargetConnection->pHeader->DISCS )
{
XXprint(4,("COM_GET_VDVD_DISC_INFO : DISC nub is too big!!\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
pInfo = &(TargetConnection->pInfos[pDiscInfo->DiscNo]);
pDiscInfo->DISC[0].LOCATION = pInfo->LOCATION;
pDiscInfo->DISC[0].START_SEC = pInfo->START_SEC;
pDiscInfo->DISC[0].NR_SEC = pInfo->NR_SEC;
pDiscInfo->DISC[0].ENABLED = pInfo->ENABLED;
Irp->IoStatus.Information = outlen;
XXprint(4,("COM_GET_VDVD_DISC_INFO : LOCATION(0x%I64x), START_SEC(0x%I64x), ENABLED(%d)\n",
pDiscInfo->DISC[0].LOCATION, pDiscInfo->DISC[0].START_SEC, pDiscInfo->DISC[0].ENABLED));
status = STATUS_SUCCESS;
}
break;
case COM_VDVD_DISC_INFO_ALL:
{
PPDO_DEVICE_DATA pdoData;
PJUKE_DISC pInfo = NULL;
ULONG size = sizeof(GET_VDVD_DISC_INFO) + (sizeof(DISC_INFO) * (pDiscInfo->COUNT - 1));
int i = 0;
int max = 0;
if(inlen != size)
{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
pdoData = FindPdoData(fdoData, pDiscInfo->SlotNo);
if(pdoData == NULL) {
XXprint(4,("COM_VDVD_DISC_INFO_ALL : Can't find pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
TargetConnection = &(pdoData->LanscsiAdapter.LogicalTarget[0].Llu[0].Targets[0].TargetConnectionList);
if(pDiscInfo->COUNT > TargetConnection->pHeader->DISCS)
{
pDiscInfo->COUNT = TargetConnection->pHeader->DISCS;
}
max = pDiscInfo->COUNT;
for(i = 0; i< max; i++){
pInfo = &(TargetConnection->pInfos[i]);
pDiscInfo->DISC[i].LOCATION = pInfo->LOCATION;
pDiscInfo->DISC[i].START_SEC = pInfo->START_SEC;
pDiscInfo->DISC[i].NR_SEC = pInfo->NR_SEC;
pDiscInfo->DISC[i].ENABLED = pInfo->ENABLED;
XXprint(4,("COM_VDVD_DISC_INFO_ALL(%d) : LOCATION(0x%I64x), START_SEC(0x%I64x), ENABLED(%d)\n",
i,pDiscInfo->DISC[i].LOCATION, pDiscInfo->DISC[i].START_SEC, pDiscInfo->DISC[i].ENABLED));
}
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
}
break;
default:
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
break;
}
}else{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
}
}
break;
case IOCTL_VDVD_SET_VDVD_BURN:
{
if((inlen == outlen)
&& (sizeof(SET_DVD_DISC_BURN) == inlen))
{
XXprint(4,("IOCTL_VDVD_SET_VDVD_BURN\n"));
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
}else{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
}
}
break;
case IOCTL_VDVD_CHANGE_VDVD_DISC:
{
PCHANGE_VDVD_DISC pChange = (PCHANGE_VDVD_DISC)buffer;
if((inlen == outlen)
&& (sizeof(CHANGE_VDVD_DISC) == inlen))
{
XXprint(4,("IOCTL_VDVD_CHANGE_VDVD_DISC\n"));
switch(pChange->COM)
{
case COM_GET_CUR_DISC :
{
PPDO_DEVICE_DATA pdoData;
pdoData = FindPdoData(fdoData, pChange->SlotNo);
if(pdoData == NULL) {
XXprint(4,("COM_GET_CUR_DISC : Can't find pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
KeEnterCriticalRegion();
pChange->DiscNo = pdoData->LanscsiAdapter.LogicalTarget[0].Llu[0].Targets[0].TargetConnectionList.cur_disc;
Irp->IoStatus.Information = outlen;
KeLeaveCriticalRegion();
status = STATUS_SUCCESS;
}
break;
case COM_SET_CUR_DISC :
{
PPDO_DEVICE_DATA pdoData;
PTARGET_CONNECTION TargetConnection;
pdoData = FindPdoData(fdoData, pChange->SlotNo);
if(pdoData == NULL) {
XXprint(4,("COM_GET_CUR_DISC : Can't find pdo\n"));
status = STATUS_UNSUCCESSFUL;
break;
}
KeEnterCriticalRegion();
TargetConnection =&(pdoData->LanscsiAdapter.LogicalTarget[0].Llu[0].Targets[0].TargetConnectionList);
if(pChange->DiscNo >= TargetConnection->pHeader->DISCS)
{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
KeLeaveCriticalRegion();
break;
}
TargetConnection->cur_disc = pChange->DiscNo;
TargetConnection->IsChanging = TRUE;
TargetConnection->CHCount = 0;
Irp->IoStatus.Information = outlen;
status = STATUS_SUCCESS;
KeLeaveCriticalRegion();
}
break;
default:
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
}
}else{
Irp->IoStatus.Information = outlen;
status = STATUS_UNSUCCESSFUL;
}
}
break;
#endif // 0 - VDVD
default:
break; // default status is STATUS_INVALID_PARAMETER
}
Irp->IoStatus.Status = status;
if(Irp->UserIosb)
*Irp->UserIosb = Irp->IoStatus;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount (fdoData);
return status;
}
NTSTATUS Bus_FDO_PnP(__in PDEVICE_OBJECT DeviceObject, __in PIRP Irp, __in PIO_STACK_LOCATION IrpStack, __in PFDO_DEVICE_DATA DeviceData)
{
NTSTATUS status;
ULONG length, prevcount, numPdosPresent, numPdosMissing;
PLIST_ENTRY entry, listHead, nextEntry;
PPDO_DEVICE_DATA pdoData;
PDEVICE_RELATIONS relations, oldRelations;
PAGED_CODE();
Bus_IncIoCount(DeviceData);
switch (IrpStack->MinorFunction)
{
case IRP_MN_START_DEVICE:
status = Bus_SendIrpSynchronously(DeviceData->NextLowerDriver, Irp);
if (NT_SUCCESS(status))
{
status = Bus_StartFdo (DeviceData, Irp);
}
Irp->IoStatus.Status = status;
IoCompleteRequest (Irp, IO_NO_INCREMENT);
Bus_DecIoCount(DeviceData);
return status;
case IRP_MN_QUERY_STOP_DEVICE:
SET_NEW_PNP_STATE(DeviceData, StopPending);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_CANCEL_STOP_DEVICE:
if (StopPending == DeviceData->DevicePnPState)
{
RESTORE_PREVIOUS_PNP_STATE(DeviceData);
ASSERT(DeviceData->DevicePnPState == Started);
}
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_STOP_DEVICE:
Bus_DecIoCount(DeviceData);
KeWaitForSingleObject(&DeviceData->StopEvent, Executive, KernelMode, FALSE, NULL);
Bus_IncIoCount(DeviceData);
SET_NEW_PNP_STATE(DeviceData, Stopped);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_QUERY_REMOVE_DEVICE:
SET_NEW_PNP_STATE(DeviceData, RemovePending);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_CANCEL_REMOVE_DEVICE:
if (DeviceData->DevicePnPState == RemovePending)
{
RESTORE_PREVIOUS_PNP_STATE(DeviceData);
}
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_SURPRISE_REMOVAL:
SET_NEW_PNP_STATE(DeviceData, SurpriseRemovePending);
Bus_RemoveFdo(DeviceData);
ExAcquireFastMutex(&DeviceData->Mutex);
{
listHead = &DeviceData->ListOfPDOs;
for(entry = listHead->Flink,nextEntry = entry->Flink; entry != listHead; entry = nextEntry, nextEntry = entry->Flink)
{
pdoData = CONTAINING_RECORD(entry, PDO_DEVICE_DATA, Link);
RemoveEntryList(&pdoData->Link);
InitializeListHead(&pdoData->Link);
pdoData->ParentFdo = NULL;
pdoData->ReportedMissing = TRUE;
}
}
ExReleaseFastMutex(&DeviceData->Mutex);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
case IRP_MN_REMOVE_DEVICE:
if (DeviceData->DevicePnPState != SurpriseRemovePending)
{
Bus_RemoveFdo(DeviceData);
}
SET_NEW_PNP_STATE(DeviceData, Deleted);
Bus_DecIoCount(DeviceData);
Bus_DecIoCount(DeviceData);
KeWaitForSingleObject(&DeviceData->RemoveEvent, Executive, KernelMode, FALSE, NULL);
ExAcquireFastMutex(&DeviceData->Mutex);
{
listHead = &DeviceData->ListOfPDOs;
for(entry = listHead->Flink,nextEntry = entry->Flink; entry != listHead; entry = nextEntry, nextEntry = entry->Flink)
{
pdoData = CONTAINING_RECORD(entry, PDO_DEVICE_DATA, Link);
RemoveEntryList(&pdoData->Link);
if (pdoData->DevicePnPState == SurpriseRemovePending)
{
Bus_KdPrint(("\tFound a surprise removed device: 0x%p\n", pdoData->Self));
InitializeListHead(&pdoData->Link);
pdoData->ParentFdo = NULL;
pdoData->ReportedMissing = TRUE;
continue;
}
Bus_DestroyPdo(pdoData->Self, pdoData);
}
}
ExReleaseFastMutex(&DeviceData->Mutex);
Irp->IoStatus.Status = STATUS_SUCCESS;
IoSkipCurrentIrpStackLocation(Irp);
status = IoCallDriver(DeviceData->NextLowerDriver, Irp);
IoDetachDevice(DeviceData->NextLowerDriver);
Bus_KdPrint(("\tDeleting FDO: 0x%p\n", DeviceObject));
IoDeleteDevice(DeviceObject);
return status;
case IRP_MN_QUERY_DEVICE_RELATIONS:
Bus_KdPrint(("\tQueryDeviceRelation Type: %s\n", DbgDeviceRelationString(IrpStack->Parameters.QueryDeviceRelations.Type)));
if (IrpStack->Parameters.QueryDeviceRelations.Type != BusRelations)
{
break;
}
ExAcquireFastMutex(&DeviceData->Mutex);
oldRelations = (PDEVICE_RELATIONS) Irp->IoStatus.Information;
if (oldRelations)
{
prevcount = oldRelations->Count;
if (!DeviceData->NumPDOs)
{
ExReleaseFastMutex(&DeviceData->Mutex);
break;
}
}
else
{
prevcount = 0;
}
numPdosPresent = 0;
numPdosMissing = 0;
for (entry = DeviceData->ListOfPDOs.Flink; entry != &DeviceData->ListOfPDOs; entry = entry->Flink)
{
pdoData = CONTAINING_RECORD(entry, PDO_DEVICE_DATA, Link);
if (pdoData->Present) numPdosPresent++;
}
length = sizeof(DEVICE_RELATIONS) + ((numPdosPresent + prevcount) * sizeof (PDEVICE_OBJECT)) - 1;
relations = (PDEVICE_RELATIONS) ExAllocatePoolWithTag(PagedPool, length, BUSENUM_POOL_TAG);
if (relations == NULL)
{
ExReleaseFastMutex(&DeviceData->Mutex);
Irp->IoStatus.Status = status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
Bus_DecIoCount(DeviceData);
return status;
}
if (prevcount)
{
RtlCopyMemory(relations->Objects, oldRelations->Objects, prevcount * sizeof (PDEVICE_OBJECT));
}
relations->Count = prevcount + numPdosPresent;
for (entry = DeviceData->ListOfPDOs.Flink; entry != &DeviceData->ListOfPDOs; entry = entry->Flink)
{
pdoData = CONTAINING_RECORD(entry, PDO_DEVICE_DATA, Link);
if (pdoData->Present)
{
relations->Objects[prevcount] = pdoData->Self;
ObReferenceObject(pdoData->Self);
prevcount++;
}
else
{
pdoData->ReportedMissing = TRUE;
numPdosMissing++;
}
}
Bus_KdPrint(("#PDOS Present = %d, Reported = %d, Missing = %d, Listed = %d", numPdosPresent, relations->Count, numPdosMissing, DeviceData->NumPDOs));
if (oldRelations)
{
ExFreePool(oldRelations);
}
Irp->IoStatus.Information = (ULONG_PTR) relations;
ExReleaseFastMutex(&DeviceData->Mutex);
Irp->IoStatus.Status = STATUS_SUCCESS;
break;
default:
break;
}
IoSkipCurrentIrpStackLocation(Irp);
status = IoCallDriver(DeviceData->NextLowerDriver, Irp);
Bus_DecIoCount(DeviceData);
return status;
}
NTSTATUS Bus_IoCtl(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
PIO_STACK_LOCATION irpStack;
NTSTATUS status;
ULONG inlen;
PFDO_DEVICE_DATA fdoData;
PVOID buffer;
PCOMMON_DEVICE_DATA commonData;
commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension;
if (!commonData->IsFDO)
{
Irp->IoStatus.Status = status = STATUS_INVALID_DEVICE_REQUEST;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension;
if (fdoData->DevicePnPState == Deleted)
{
Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
Bus_IncIoCount(fdoData);
irpStack = IoGetCurrentIrpStackLocation(Irp);
buffer = Irp->AssociatedIrp.SystemBuffer;
inlen = irpStack->Parameters.DeviceIoControl.InputBufferLength;
status = STATUS_INVALID_PARAMETER;
Irp->IoStatus.Information = 0;
switch (irpStack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_BUSENUM_PLUGIN_HARDWARE:
if ((sizeof(BUSENUM_PLUGIN_HARDWARE) == inlen) && (((PBUSENUM_PLUGIN_HARDWARE) buffer)->Size == inlen))
{
Bus_KdPrint(("PlugIn called\n"));
status = Bus_PlugInDevice((PBUSENUM_PLUGIN_HARDWARE) buffer, inlen, fdoData);
}
break;
case IOCTL_BUSENUM_UNPLUG_HARDWARE:
if ((sizeof(BUSENUM_UNPLUG_HARDWARE) == inlen) && (((PBUSENUM_UNPLUG_HARDWARE) buffer)->Size == inlen))
{
Bus_KdPrint(("UnPlug called\n"));
status = Bus_UnPlugDevice((PBUSENUM_UNPLUG_HARDWARE) buffer, fdoData);
}
break;
case IOCTL_BUSENUM_EJECT_HARDWARE:
if ((sizeof(BUSENUM_EJECT_HARDWARE) == inlen) && (((PBUSENUM_EJECT_HARDWARE) buffer)->Size == inlen))
{
Bus_KdPrint(("Eject called\n"));
status = Bus_EjectDevice((PBUSENUM_EJECT_HARDWARE) buffer, fdoData);
}
break;
case IOCTL_BUSENUM_REPORT_HARDWARE:
if ((sizeof(BUSENUM_REPORT_HARDWARE) == inlen) && (((PBUSENUM_REPORT_HARDWARE) buffer)->Size == inlen))
{
status = Bus_ReportDevice((PBUSENUM_REPORT_HARDWARE) buffer, fdoData, buffer);
if (NT_SUCCESS(status)) Irp->IoStatus.Information = RUMBLE_SIZE;
}
break;
default:
break; // default status is STATUS_INVALID_PARAMETER
}
Irp->IoStatus.Status = status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
Bus_DecIoCount(fdoData);
return status;
}