/* $Id$
*
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/io/pnpmgr.c
- * PURPOSE: PnP manager DMA routines
- * PROGRAMMER: Filip Navara (xnavara@volny.cz)
- * UPDATE HISTORY:
- * 22/09/2003 FiN Created
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS kernel
+ * FILE: ntoskrnl/io/pnpdma.c
+ * PURPOSE: PnP manager DMA routines
+ *
+ * PROGRAMMERS: Filip Navara (xnavara@volny.cz)
*/
/* INCLUDES ******************************************************************/
#include <internal/debug.h>
#include <ddk/wdmguid.h>
-typedef struct _DMA_ADAPTER_INTERNAL {
- USHORT Version;
- USHORT Size;
- PDMA_OPERATIONS DmaOperations;
- PADAPTER_OBJECT HalAdapter;
-} DMA_ADAPTER_INTERNAL, *PDMA_ADAPTER_INTERNAL;
-
/* FUNCTIONS *****************************************************************/
-VOID
-STDCALL
-IopPutDmaAdapter(
- PDMA_ADAPTER DmaAdapter)
-{
- DPRINT("IopPutDmaAdapter\n");
- ExFreePool(DmaAdapter);
-}
-
-
-PVOID
-STDCALL
-IopAllocateCommonBuffer(
- IN PDMA_ADAPTER DmaAdapter,
- IN ULONG Length,
- OUT PPHYSICAL_ADDRESS LogicalAddress,
- IN BOOLEAN CacheEnabled)
-{
- DPRINT("IopAllocateCommonBuffer\n");
- return HalAllocateCommonBuffer(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- Length, LogicalAddress, CacheEnabled);
-}
-
-
-VOID
-STDCALL
-IopFreeCommonBuffer(
- IN PDMA_ADAPTER DmaAdapter,
- IN ULONG Length,
- IN PHYSICAL_ADDRESS LogicalAddress,
- IN PVOID VirtualAddress,
- IN BOOLEAN CacheEnabled)
-{
- DPRINT("IopFreeCommonBuffer\n");
- HalFreeCommonBuffer(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- Length, LogicalAddress, VirtualAddress, CacheEnabled);
-}
-
-
-NTSTATUS
-STDCALL
-IopAllocateAdapterChannel(
- IN PDMA_ADAPTER DmaAdapter,
- IN PDEVICE_OBJECT DeviceObject,
- IN ULONG NumberOfMapRegisters,
- IN PDRIVER_CONTROL ExecutionRoutine,
- IN PVOID Context)
-{
- DPRINT("IopAllocateAdapterChannel\n");
- return IoAllocateAdapterChannel(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- DeviceObject, NumberOfMapRegisters, ExecutionRoutine, Context);
-}
-
-
-BOOLEAN
-STDCALL
-IopFlushAdapterBuffers(
- IN PDMA_ADAPTER DmaAdapter,
- IN PMDL Mdl,
- IN PVOID MapRegisterBase,
- IN PVOID CurrentVa,
- IN ULONG Length,
- IN BOOLEAN WriteToDevice)
-{
- DPRINT("IopFlushAdapterBuffers\n");
- return IoFlushAdapterBuffers(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- Mdl, MapRegisterBase, CurrentVa, Length, WriteToDevice);
-}
-
-
-VOID
-STDCALL
-IopFreeAdapterChannel(
- IN PDMA_ADAPTER DmaAdapter)
-{
- DPRINT("IopFreeAdapterChannel\n");
- IoFreeAdapterChannel(((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter);
-}
-
-
-VOID
-STDCALL
-IopFreeMapRegisters(
- IN PDMA_ADAPTER DmaAdapter,
- PVOID MapRegisterBase,
- ULONG NumberOfMapRegisters)
-{
- DPRINT("IopFreeMapRegisters\n");
- IoFreeMapRegisters(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- MapRegisterBase, NumberOfMapRegisters);
-}
-
-
-PHYSICAL_ADDRESS
-STDCALL
-IopMapTransfer(
- IN PDMA_ADAPTER DmaAdapter,
- IN PMDL Mdl,
- IN PVOID MapRegisterBase,
- IN PVOID CurrentVa,
- IN OUT PULONG Length,
- IN BOOLEAN WriteToDevice)
-{
- DPRINT("IopMapTransfer\n");
- return IoMapTransfer(
- ((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter,
- Mdl, MapRegisterBase, CurrentVa, Length, WriteToDevice);
-}
-
-
-ULONG
-STDCALL
-IopGetDmaAlignment(
- IN PDMA_ADAPTER DmaAdapter)
-{
- DPRINT("IopGetDmaAlignment\n");
- /* FIXME: This is actually true only on i386 and Amd64 */
- return 1L;
-}
-
-
-ULONG
-STDCALL
-IopReadDmaCounter(
- IN PDMA_ADAPTER DmaAdapter)
-{
- DPRINT("IopReadDmaCounter\n");
- return HalReadDmaCounter(((PDMA_ADAPTER_INTERNAL)DmaAdapter)->HalAdapter);
-}
-
-
-NTSTATUS
-STDCALL
-IopGetScatterGatherList(
- IN PDMA_ADAPTER DmaAdapter,
- IN PDEVICE_OBJECT DeviceObject,
- IN PMDL Mdl,
- IN PVOID CurrentVa,
- IN ULONG Length,
- IN PDRIVER_LIST_CONTROL ExecutionRoutine,
- IN PVOID Context,
- IN BOOLEAN WriteToDevice)
-{
- DPRINT("IopGetScatterGatherList\n");
- /* FIXME */
- return STATUS_UNSUCCESSFUL;
-}
-
-
-VOID
-STDCALL
-IopPutScatterGatherList(
- IN PDMA_ADAPTER DmaAdapter,
- IN PSCATTER_GATHER_LIST ScatterGather,
- IN BOOLEAN WriteToDevice)
-{
- DPRINT("IopPutScatterGatherList\n");
- /* FIXME */
-}
-
/*
* @implemented
*/
-PDMA_ADAPTER
-STDCALL
+PDMA_ADAPTER STDCALL
IoGetDmaAdapter(
IN PDEVICE_OBJECT PhysicalDeviceObject,
IN PDEVICE_DESCRIPTION DeviceDescription,
IN OUT PULONG NumberOfMapRegisters)
{
- static DMA_OPERATIONS HalDmaOperations = {
- sizeof(DMA_OPERATIONS),
- IopPutDmaAdapter,
- IopAllocateCommonBuffer,
- IopFreeCommonBuffer,
- IopAllocateAdapterChannel,
- IopFlushAdapterBuffers,
- IopFreeAdapterChannel,
- IopFreeMapRegisters,
- IopMapTransfer,
- IopGetDmaAlignment,
- IopReadDmaCounter,
- IopGetScatterGatherList,
- IopPutScatterGatherList
- };
NTSTATUS Status;
ULONG ResultLength;
BUS_INTERFACE_STANDARD BusInterface;
IO_STATUS_BLOCK IoStatusBlock;
IO_STACK_LOCATION Stack;
DEVICE_DESCRIPTION PrivateDeviceDescription;
- PDMA_ADAPTER Result = NULL;
- PDMA_ADAPTER_INTERNAL ResultInternal = NULL;
- PADAPTER_OBJECT HalAdapter;
-
+ PDMA_ADAPTER Adapter = NULL;
+
DPRINT("IoGetDmaAdapter called\n");
-
+
/*
- * Try to create DMA adapter through bus driver
+ * Try to create DMA adapter through bus driver.
*/
+
if (PhysicalDeviceObject != NULL)
{
- if (DeviceDescription->InterfaceType == 0x0F /*PNPBus*/ ||
- DeviceDescription->InterfaceType == 0xFFFFFFFF)
- {
+ if (DeviceDescription->InterfaceType == PNPBus ||
+ DeviceDescription->InterfaceType == InterfaceTypeUndefined)
+ {
RtlCopyMemory(&PrivateDeviceDescription, DeviceDescription,
sizeof(DEVICE_DESCRIPTION));
Status = IoGetDeviceProperty(PhysicalDeviceObject,
- DevicePropertyLegacyBusType, sizeof(INTERFACE_TYPE),
+ DevicePropertyLegacyBusType, sizeof(INTERFACE_TYPE),
&PrivateDeviceDescription.InterfaceType, &ResultLength);
if (!NT_SUCCESS(Status))
- {
PrivateDeviceDescription.InterfaceType = Internal;
- }
DeviceDescription = &PrivateDeviceDescription;
}
Stack.Parameters.QueryInterface.Size = sizeof(BUS_INTERFACE_STANDARD);
Stack.Parameters.QueryInterface.Version = 1;
Stack.Parameters.QueryInterface.Interface = (PINTERFACE)&BusInterface;
- Stack.Parameters.QueryInterface.InterfaceType =
+ Stack.Parameters.QueryInterface.InterfaceType =
&GUID_BUS_INTERFACE_STANDARD;
Status = IopInitiatePnpIrp(PhysicalDeviceObject, &IoStatusBlock,
IRP_MN_QUERY_INTERFACE, &Stack);
if (NT_SUCCESS(Status))
{
- Result = BusInterface.GetDmaAdapter(BusInterface.Context,
+ Adapter = BusInterface.GetDmaAdapter(BusInterface.Context,
DeviceDescription, NumberOfMapRegisters);
BusInterface.InterfaceDereference(BusInterface.Context);
- if (Result != NULL)
- return Result;
+ if (Adapter != NULL)
+ return Adapter;
}
}
/*
- * Fallback to HAL
+ * Fallback to HAL.
*/
- HalAdapter = HalGetAdapter(DeviceDescription, NumberOfMapRegisters);
- if (HalAdapter == NULL)
- return NULL;
-
- ResultInternal = ExAllocatePool(PagedPool, sizeof(DMA_ADAPTER_INTERNAL));
- if (ResultInternal == NULL)
- return NULL;
-
- ResultInternal->Version = DEVICE_DESCRIPTION_VERSION;
- ResultInternal->Size = sizeof(DMA_ADAPTER);
- ResultInternal->DmaOperations = &HalDmaOperations;
- ResultInternal->HalAdapter = HalAdapter;
-
- return (PDMA_ADAPTER)ResultInternal;
+ return HalGetDmaAdapter(PhysicalDeviceObject, DeviceDescription,
+ NumberOfMapRegisters);
}
/* EOF */
projects / reactos.git / blobdiff