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/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
miniport.c
Abstract:
NDIS wrapper functions
Author:
Sean Selitrennikoff (SeanSe) 05-Oct-93
Environment:
Kernel mode, FSD
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
#undef NdisAllocateSpinLock
#undef NdisFreeSpinLock
#undef NdisAcquireSpinLock
#undef NdisReleaseSpinLock
#undef NdisDprAcquireSpinLock
#undef NdisDprReleaseSpinLock
#undef NdisFreeBuffer
#undef NdisQueryBuffer
#undef NdisQueryBufferOffset
#undef NDIS_BUFFER_TO_SPAN_PAGES
#undef NdisGetBufferPhysicalArraySize
#undef NdisEqualString
#undef NdisMStartBufferPhysicalMapping
#undef NdisMCompleteBufferPhysicalMapping
VOID
NdisAllocateSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisFreeSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisAcquireSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisReleaseSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisDprAcquireSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisDprReleaseSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
);
VOID
NdisFreeBuffer(
IN PNDIS_BUFFER Buffer
);
VOID
NdisQueryBuffer(
IN PNDIS_BUFFER Buffer,
OUT PVOID *VirtualAddress OPTIONAL,
OUT PUINT Length
);
VOID
NdisQueryBufferOffset(
IN PNDIS_BUFFER Buffer,
OUT PUINT Offset,
OUT PUINT Length
);
ULONG
NDIS_BUFFER_TO_SPAN_PAGES(
IN PNDIS_BUFFER Buffer
);
VOID
NdisGetBufferPhysicalArraySize(
IN PNDIS_BUFFER Buffer,
OUT PUINT ArraySize
);
BOOLEAN
NdisEqualString(
IN PNDIS_STRING String1,
IN PNDIS_STRING String2,
IN BOOLEAN CaseInsensitive
);
VOID
NdisMStartBufferPhysicalMapping(
IN NDIS_HANDLE MiniportAdapterHandle,
IN PNDIS_BUFFER Buffer,
IN ULONG PhysicalMapRegister,
IN BOOLEAN WriteToDevice,
OUT PNDIS_PHYSICAL_ADDRESS_UNIT PhysicalAddressArray,
OUT PUINT ArraySize
);
VOID
NdisMCompleteBufferPhysicalMapping(
IN NDIS_HANDLE MiniportAdapterHandle,
IN PNDIS_BUFFER Buffer,
IN ULONG PhysicalMapRegister
);
VOID
NdisAllocateSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
KeInitializeSpinLock(&SpinLock->SpinLock);
}
VOID
NdisFreeSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
UNREFERENCED_PARAMETER (SpinLock);
}
VOID
NdisAcquireSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
KeAcquireSpinLock(&SpinLock->SpinLock, &SpinLock->OldIrql);
}
VOID
NdisReleaseSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
KeReleaseSpinLock(&SpinLock->SpinLock, SpinLock->OldIrql);
}
VOID
NdisDprAcquireSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
KeAcquireSpinLockAtDpcLevel(&SpinLock->SpinLock);
SpinLock->OldIrql = DISPATCH_LEVEL;
}
VOID
NdisDprReleaseSpinLock(
IN PNDIS_SPIN_LOCK SpinLock
)
{
KeReleaseSpinLockFromDpcLevel(&SpinLock->SpinLock);
}
VOID
NdisFreeBuffer(
IN PNDIS_BUFFER Buffer
)
{
IoFreeMdl(Buffer);
}
VOID
NdisQueryBuffer(
IN PNDIS_BUFFER Buffer,
OUT PVOID *VirtualAddress OPTIONAL,
OUT PUINT Length
)
{
if ( ARGUMENT_PRESENT(VirtualAddress) ) {
*VirtualAddress = MmGetSystemAddressForMdl(Buffer);
}
*Length = MmGetMdlByteCount(Buffer);
}
VOID
NdisQueryBufferOffset(
IN PNDIS_BUFFER Buffer,
OUT PUINT Offset,
OUT PUINT Length
)
{
*Offset = MmGetMdlByteOffset(Buffer);
*Length = MmGetMdlByteCount(Buffer);
}
ULONG
NDIS_BUFFER_TO_SPAN_PAGES(
IN PNDIS_BUFFER Buffer
)
{
if (MmGetMdlByteCount(Buffer) == 0) {
return 1;
}
return COMPUTE_PAGES_SPANNED(
MmGetMdlVirtualAddress(Buffer),
MmGetMdlByteCount(Buffer)
);
}
VOID
NdisGetBufferPhysicalArraySize(
IN PNDIS_BUFFER Buffer,
OUT PUINT ArraySize
)
{
if (MmGetMdlByteCount(Buffer) == 0) {
*ArraySize = 1;
} else {
*ArraySize = COMPUTE_PAGES_SPANNED(
MmGetMdlVirtualAddress(Buffer),
MmGetMdlByteCount(Buffer)
);
}
}
BOOLEAN
NdisEqualString(
IN PNDIS_STRING String1,
IN PNDIS_STRING String2,
IN BOOLEAN CaseInsensitive
)
{
return RtlEqualUnicodeString(String1, String2, CaseInsensitive);
}
VOID
NdisMStartBufferPhysicalMapping(
IN NDIS_HANDLE MiniportAdapterHandle,
IN PNDIS_BUFFER Buffer,
IN ULONG PhysicalMapRegister,
IN BOOLEAN WriteToDevice,
OUT PNDIS_PHYSICAL_ADDRESS_UNIT PhysicalAddressArray,
OUT PUINT ArraySize
)
{
NdisMStartBufferPhysicalMappingMacro(
MiniportAdapterHandle,
Buffer,
PhysicalMapRegister,
WriteToDevice,
PhysicalAddressArray,
ArraySize
);
}
VOID
NdisMCompleteBufferPhysicalMapping(
IN NDIS_HANDLE MiniportAdapterHandle,
IN PNDIS_BUFFER Buffer,
IN ULONG PhysicalMapRegister
)
{
NdisMCompleteBufferPhysicalMappingMacro(
MiniportAdapterHandle,
Buffer,
PhysicalMapRegister
);
}
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