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https://github.com/reactos/reactos.git
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[NDIS]
- Implement NdisMSetupDmaTransfer, NdisMCompleteDmaTransfer, NdisSetupDmaTransfer, NdisCompleteDmaTransfer, and NdisAllocateDmaChannel svn path=/trunk/; revision=54251
This commit is contained in:
Cameron Gutman
parent
da83a8919e
commit
84409cef86
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@ -11,23 +11,6 @@
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#include "ndissys.h"
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/*
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* @unimplemented
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*/
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VOID
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EXPORT
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NdisCompleteDmaTransfer(
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OUT PNDIS_STATUS Status,
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IN PNDIS_HANDLE NdisDmaHandle,
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IN PNDIS_BUFFER Buffer,
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IN ULONG Offset,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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{
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UNIMPLEMENTED
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}
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/*
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* @unimplemented
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*/
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@ -87,21 +70,6 @@ FddiFilterDprIndicateReceiveComplete(
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}
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/*
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* @unimplemented
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*/
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VOID
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EXPORT
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NdisAllocateDmaChannel(
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OUT PNDIS_STATUS Status,
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OUT PNDIS_HANDLE NdisDmaHandle,
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IN NDIS_HANDLE NdisAdapterHandle,
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IN PNDIS_DMA_DESCRIPTION DmaDescription,
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IN ULONG MaximumLength)
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{
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UNIMPLEMENTED
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}
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/*
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* @unimplemented
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*/
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@ -241,29 +241,6 @@ NdisReleaseAdapterResources(
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}
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/*
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* @unimplemented
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*/
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VOID
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EXPORT
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NdisSetupDmaTransfer(
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OUT PNDIS_STATUS Status,
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IN PNDIS_HANDLE NdisDmaHandle,
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IN PNDIS_BUFFER Buffer,
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IN ULONG Offset,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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/*
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* FUNCTION:
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* ARGUMENTS:
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* NOTES:
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* NDIS 4.0
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*/
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{
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UNIMPLEMENTED
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}
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/*
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* @implemented
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*/
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@ -184,8 +184,36 @@ NdisImmediateWritePortUshort(
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WRITE_PORT_USHORT(UlongToPtr(Port), Data); // FIXME: What to do with WrapperConfigurationContext?
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}
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IO_ALLOCATION_ACTION NTAPI NdisMapRegisterCallback (
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IO_ALLOCATION_ACTION NTAPI NdisSubordinateMapRegisterCallback (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID MapRegisterBase,
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IN PVOID Context)
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/*
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* FUNCTION: Called back during reservation of map registers
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* ARGUMENTS:
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* DeviceObject: Device object of the deivce setting up DMA
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* Irp: Reserved; must be ignored
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* MapRegisterBase: Map registers assigned for transfer
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* Context: LOGICAL_ADAPTER object of the requesting miniport
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* NOTES:
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* - Called at IRQL = DISPATCH_LEVEL
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*/
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{
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PNDIS_DMA_BLOCK DmaBlock = Context;
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NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));
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DmaBlock->MapRegisterBase = MapRegisterBase;
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NDIS_DbgPrint(MAX_TRACE, ("setting event and leaving.\n"));
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KeSetEvent(&DmaBlock->AllocationEvent, 0, FALSE);
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/* We have to hold the object open to keep our lock on the system DMA controller */
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return KeepObject;
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}
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IO_ALLOCATION_ACTION NTAPI NdisBusMasterMapRegisterCallback (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp,
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IN PVOID MapRegisterBase,
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@ -212,11 +240,9 @@ IO_ALLOCATION_ACTION NTAPI NdisMapRegisterCallback (
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KeSetEvent(Adapter->NdisMiniportBlock.AllocationEvent, 0, FALSE);
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/* this is only the thing to do for busmaster NICs */
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/* We're a bus master so we can go ahead and deallocate the object now */
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return DeallocateObjectKeepRegisters;
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}
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}
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/*
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* @implemented
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*/
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@ -359,7 +385,7 @@ NdisMAllocateMapRegisters(
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{
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NtStatus = AdapterObject->DmaOperations->AllocateAdapterChannel(
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AdapterObject, DeviceObject, MapRegistersPerBaseRegister,
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NdisMapRegisterCallback, Adapter);
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NdisBusMasterMapRegisterCallback, Adapter);
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}
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KeLowerIrql(OldIrql);
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@ -398,7 +424,7 @@ NdisMAllocateMapRegisters(
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/*
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* @unimplemented
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* @implemented
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*/
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VOID
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EXPORT
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@ -409,12 +435,87 @@ NdisMSetupDmaTransfer(OUT PNDIS_STATUS Status,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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{
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UNIMPLEMENTED
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*Status = NDIS_STATUS_FAILURE;
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PNDIS_DMA_BLOCK DmaBlock = MiniportDmaHandle;
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NTSTATUS NtStatus;
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PLOGICAL_ADAPTER Adapter;
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KIRQL OldIrql;
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PDMA_ADAPTER AdapterObject;
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ULONG MapRegistersNeeded;
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NDIS_DbgPrint(MAX_TRACE, ("called: Handle 0x%x, Buffer 0x%x, Offset 0x%x, Length 0x%x, WriteToDevice 0x%x\n",
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MiniportDmaHandle, Buffer, Offset, Length, WriteToDevice));
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Adapter = (PLOGICAL_ADAPTER)DmaBlock->Miniport;
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AdapterObject = (PDMA_ADAPTER)DmaBlock->SystemAdapterObject;
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MapRegistersNeeded = (Length + (PAGE_SIZE - 1)) / PAGE_SIZE;
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KeFlushIoBuffers(Buffer, !WriteToDevice, TRUE);
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KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
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{
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NtStatus = AdapterObject->DmaOperations->AllocateAdapterChannel(AdapterObject,
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Adapter->NdisMiniportBlock.PhysicalDeviceObject,
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MapRegistersNeeded,
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NdisSubordinateMapRegisterCallback, Adapter);
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}
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KeLowerIrql(OldIrql);
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if(!NT_SUCCESS(NtStatus))
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{
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NDIS_DbgPrint(MIN_TRACE, ("AllocateAdapterChannel failed: 0x%x\n", NtStatus));
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AdapterObject->DmaOperations->FreeAdapterChannel(AdapterObject);
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*Status = NDIS_STATUS_RESOURCES;
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return;
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}
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NtStatus = KeWaitForSingleObject(&DmaBlock->AllocationEvent, Executive, KernelMode, FALSE, 0);
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if(!NT_SUCCESS(NtStatus))
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{
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NDIS_DbgPrint(MIN_TRACE, ("KeWaitForSingleObject failed: 0x%x\n", NtStatus));
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AdapterObject->DmaOperations->FreeAdapterChannel(AdapterObject);
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*Status = NDIS_STATUS_RESOURCES;
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return;
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}
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/* We must throw away the return value of MapTransfer for a system DMA device */
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AdapterObject->DmaOperations->MapTransfer(AdapterObject, Buffer,
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DmaBlock->MapRegisterBase,
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(PUCHAR)MmGetMdlVirtualAddress(Buffer) + Offset, &Length, WriteToDevice);
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NDIS_DbgPrint(MAX_TRACE, ("returning success\n"));
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*Status = NDIS_STATUS_SUCCESS;
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}
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/*
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* @unimplemented
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* @implemented
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*/
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VOID
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EXPORT
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NdisSetupDmaTransfer(OUT PNDIS_STATUS Status,
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IN PNDIS_HANDLE NdisDmaHandle,
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IN PNDIS_BUFFER Buffer,
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IN ULONG Offset,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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/*
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* FUNCTION:
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* ARGUMENTS:
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* NOTES:
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* NDIS 4.0
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*/
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{
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NdisMSetupDmaTransfer(Status,
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NdisDmaHandle,
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Buffer,
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Offset,
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Length,
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WriteToDevice);
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}
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/*
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* @implemented
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*/
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VOID
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EXPORT
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@ -425,10 +526,50 @@ NdisMCompleteDmaTransfer(OUT PNDIS_STATUS Status,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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{
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UNIMPLEMENTED
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*Status = NDIS_STATUS_FAILURE;
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PNDIS_DMA_BLOCK DmaBlock = MiniportDmaHandle;
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PDMA_ADAPTER AdapterObject = (PDMA_ADAPTER)DmaBlock->SystemAdapterObject;
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NDIS_DbgPrint(MAX_TRACE, ("called: Handle 0x%x, Buffer 0x%x, Offset 0x%x, Length 0x%x, WriteToDevice 0x%x\n",
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MiniportDmaHandle, Buffer, Offset, Length, WriteToDevice));
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if (!AdapterObject->DmaOperations->FlushAdapterBuffers(AdapterObject,
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Buffer,
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DmaBlock->MapRegisterBase,
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(PUCHAR)MmGetMdlVirtualAddress(Buffer) + Offset,
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Length,
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WriteToDevice))
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{
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NDIS_DbgPrint(MIN_TRACE, ("FlushAdapterBuffers failed\n"));
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*Status = NDIS_STATUS_FAILURE;
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return;
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}
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AdapterObject->DmaOperations->FreeAdapterChannel(AdapterObject);
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NDIS_DbgPrint(MAX_TRACE, ("returning success\n"));
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*Status = NDIS_STATUS_SUCCESS;
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}
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/*
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* @implemented
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*/
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VOID
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EXPORT
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NdisCompleteDmaTransfer(OUT PNDIS_STATUS Status,
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IN PNDIS_HANDLE NdisDmaHandle,
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IN PNDIS_BUFFER Buffer,
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IN ULONG Offset,
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IN ULONG Length,
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IN BOOLEAN WriteToDevice)
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{
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NdisMCompleteDmaTransfer(Status,
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NdisDmaHandle,
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Buffer,
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Offset,
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Length,
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WriteToDevice);
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}
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/*
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* @implemented
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*/
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@ -768,6 +909,8 @@ NdisMRegisterDmaChannel(
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}
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Adapter->NdisMiniportBlock.SystemAdapterObject = (PDMA_ADAPTER)DmaBlock->SystemAdapterObject;
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KeInitializeEvent(&DmaBlock->AllocationEvent, NotificationEvent, FALSE);
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DmaBlock->Miniport = Adapter;
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@ -776,7 +919,24 @@ NdisMRegisterDmaChannel(
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return NDIS_STATUS_SUCCESS;
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}
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/*
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* @implemented
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*/
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VOID
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EXPORT
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NdisAllocateDmaChannel(OUT PNDIS_STATUS Status,
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OUT PNDIS_HANDLE NdisDmaHandle,
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IN NDIS_HANDLE NdisAdapterHandle,
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IN PNDIS_DMA_DESCRIPTION DmaDescription,
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IN ULONG MaximumLength)
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{
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*Status = NdisMRegisterDmaChannel(NdisDmaHandle,
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NdisAdapterHandle,
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0,
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FALSE,
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DmaDescription,
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MaximumLength);
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}
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/*
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* @implemented
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*/
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