#include "usbccgp.h"
+NTSTATUS
+USBCCGP_PdoHandleQueryDeviceText(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN OUT PIRP Irp)
+{
+ LPWSTR Buffer;
+ PPDO_DEVICE_EXTENSION PDODeviceExtension;
+
+ //
+ // get device extension
+ //
+ PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ //
+ // is there a device description
+ //
+ if (PDODeviceExtension->FunctionDescriptor->FunctionDescription.Length)
+ {
+ //
+ // allocate buffer
+ //
+ Buffer = AllocateItem(NonPagedPool, PDODeviceExtension->FunctionDescriptor->FunctionDescription.Length + sizeof(WCHAR));
+ if (!Buffer)
+ {
+ //
+ // no memory
+ //
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ //
+ // copy buffer
+ //
+ Irp->IoStatus.Information = (ULONG_PTR)Buffer;
+ RtlCopyMemory(Buffer, PDODeviceExtension->FunctionDescriptor->FunctionDescription.Buffer, PDODeviceExtension->FunctionDescriptor->FunctionDescription.Length);
+ return STATUS_SUCCESS;
+ }
+
+ //
+ // FIXME use GenericCompositeUSBDeviceString
+ //
+ UNIMPLEMENTED
+ return Irp->IoStatus.Status;
+}
+
+NTSTATUS
+USBCCGP_PdoHandleDeviceRelations(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN OUT PIRP Irp)
+{
+ PDEVICE_RELATIONS DeviceRelations;
+ PIO_STACK_LOCATION IoStack;
+
+ DPRINT1("USBCCGP_PdoHandleDeviceRelations\n");
+
+ //
+ // get current irp stack location
+ //
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+ //
+ // check if relation type is BusRelations
+ //
+ if (IoStack->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
+ {
+ //
+ // PDO handles only target device relation
+ //
+ return Irp->IoStatus.Status;
+ }
+
+ //
+ // allocate device relations
+ //
+ DeviceRelations = (PDEVICE_RELATIONS)AllocateItem(PagedPool, sizeof(DEVICE_RELATIONS));
+ if (!DeviceRelations)
+ {
+ //
+ // no memory
+ //
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ //
+ // initialize device relations
+ //
+ DeviceRelations->Count = 1;
+ DeviceRelations->Objects[0] = DeviceObject;
+ ObReferenceObject(DeviceObject);
+
+ //
+ // store result
+ //
+ Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
+
+ //
+ // completed successfully
+ //
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+USBCCGP_PdoHandleQueryId(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ PIO_STACK_LOCATION IoStack;
+ PUNICODE_STRING DeviceString = NULL;
+ UNICODE_STRING TempString;
+ PPDO_DEVICE_EXTENSION PDODeviceExtension;
+ NTSTATUS Status;
+ LPWSTR Buffer;
+
+ //
+ // get current irp stack location
+ //
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+ //
+ // get device extension
+ //
+ PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+
+ if (IoStack->Parameters.QueryId.IdType == BusQueryDeviceID)
+ {
+ //
+ // handle query device id
+ //
+ Status = USBCCGP_SyncForwardIrp(PDODeviceExtension->NextDeviceObject, Irp);
+
+ //
+ // FIXME append interface id
+ //
+ ASSERT(FALSE);
+ return Status;
+ }
+ else if (IoStack->Parameters.QueryId.IdType == BusQueryHardwareIDs)
+ {
+ //
+ // handle instance id
+ //
+ DeviceString = &PDODeviceExtension->FunctionDescriptor->HardwareId;
+ }
+ else if (IoStack->Parameters.QueryId.IdType == BusQueryInstanceID)
+ {
+ //
+ // handle instance id
+ //
+ RtlInitUnicodeString(&TempString, L"0000");
+ DeviceString = &TempString;
+ }
+ else if (IoStack->Parameters.QueryId.IdType == BusQueryCompatibleIDs)
+ {
+ //
+ // handle instance id
+ //
+ DeviceString = &PDODeviceExtension->FunctionDescriptor->CompatibleId;
+ }
+
+ //
+ // sanity check
+ //
+ ASSERT(DeviceString != NULL);
+
+ //
+ // allocate buffer
+ //
+ Buffer = AllocateItem(NonPagedPool, DeviceString->Length + sizeof(WCHAR));
+ if (!Buffer)
+ {
+ //
+ // no memory
+ //
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ //
+ // copy buffer
+ //
+ Irp->IoStatus.Information = (ULONG_PTR)Buffer;
+ RtlCopyMemory(Buffer, DeviceString->Buffer, DeviceString->Length);
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+PDO_HandlePnp(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ PIO_STACK_LOCATION IoStack;
+ PPDO_DEVICE_EXTENSION PDODeviceExtension;
+ NTSTATUS Status;
+
+ //
+ // get current stack location
+ //
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+ //
+ // get device extension
+ //
+ PDODeviceExtension = (PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ //
+ // sanity check
+ //
+ ASSERT(PDODeviceExtension->Common.IsFDO == FALSE);
+
+ switch(IoStack->MinorFunction)
+ {
+ case IRP_MN_QUERY_DEVICE_RELATIONS:
+ {
+ //
+ // handle device relations
+ //
+ Status = USBCCGP_PdoHandleDeviceRelations(DeviceObject, Irp);
+ break;
+ }
+ case IRP_MN_QUERY_DEVICE_TEXT:
+ {
+ //
+ // handle query device text
+ //
+ Status = USBCCGP_PdoHandleQueryDeviceText(DeviceObject, Irp);
+ break;
+ }
+ case IRP_MN_QUERY_ID:
+ {
+ //
+ // handle request
+ //
+ Status = USBCCGP_PdoHandleQueryId(DeviceObject, Irp);
+ break;
+ }
+ case IRP_MN_REMOVE_DEVICE:
+ {
+ DPRINT1("IRP_MN_REMOVE_DEVICE\n");
+
+ /* Complete the IRP */
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ /* Delete the device object */
+ IoDeleteDevice(DeviceObject);
+
+ return STATUS_SUCCESS;
+ }
+ case IRP_MN_QUERY_CAPABILITIES:
+ {
+ //
+ // copy device capabilities
+ //
+ RtlCopyMemory(IoStack->Parameters.DeviceCapabilities.Capabilities, &PDODeviceExtension->Capabilities, sizeof(DEVICE_CAPABILITIES));
+
+ /* Complete the IRP */
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_SUCCESS;
+ }
+ case IRP_MN_START_DEVICE:
+ {
+ //
+ // no-op for PDO
+ //
+ DPRINT1("[USBCCGP] PDO IRP_MN_START\n");
+ Status = STATUS_SUCCESS;
+ break;
+ }
+ default:
+ {
+ //
+ // do nothing
+ //
+ Status = Irp->IoStatus.Status;
+ }
+ }
+
+ //
+ // complete request
+ //
+ if (Status != STATUS_PENDING)
+ {
+ //
+ // store result
+ //
+ Irp->IoStatus.Status = Status;
+
+ //
+ // complete request
+ //
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ }
+
+ //
+ // done processing
+ //
+ return Status;
+
+}
NTSTATUS
PDEVICE_OBJECT DeviceObject,
PIRP Irp)
{
- UNIMPLEMENTED
- ASSERT(FALSE);
- return STATUS_NOT_IMPLEMENTED;
+ PIO_STACK_LOCATION IoStack;
+ NTSTATUS Status;
+
+ /* get stack location */
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+ switch(IoStack->MajorFunction)
+ {
+ case IRP_MJ_PNP:
+ return PDO_HandlePnp(DeviceObject, Irp);
+ default:
+ DPRINT1("PDO_Dispatch Function %x not implemented\n", IoStack->MajorFunction);
+ ASSERT(FALSE);
+ Status = Irp->IoStatus.Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return Status;
+ }
+
}
projects / reactos.git / blobdiff