NdisReadRegisterUshort (NDIS 5.1) function

Note   NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.

NdisReadRegisterUshort is called by the NIC driver to read a USHORT from a memory-mapped device register.

Syntax


VOID NdisReadRegisterUshort(
  _In_   PUSHORT Register,
  _Out_  PUSHORT Data
);

Parameters

Register [in]

Pointer to the memory-mapped register. This virtual address must fall within a range returned by an initialization-time call to NdisMMapIoSpace.

Data [out]

Pointer to the caller-supplied variable in which this function returns the USHORT read from Register.

Return value

None

Remarks

If a driver calls this function, its NIC's device registers must be mapped to noncached memory during driver initialization.

Requirements

Version

See NdisReadRegisterUshort.

Header

Ndis.h (include Ndis.h)

IRQL

Any IRQL level

See also

MiniportInitialize
NdisMMapIoSpace
NdisReadRegisterUchar
NdisReadRegisterUlong
NdisWriteRegisterUshort

 

 

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