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READ_REGISTER_USHORT function (ioaccess.h)

  • Article

The READ_REGISTER_USHORT routine reads a USHORT value from the specified register address.

Syntax

USHORT READ_REGISTER_USHORT(
  _In_ PUSHORT Register
);

Parameters

[in] Register

Pointer to the register address, which must be a mapped range in memory space.

Return value

READ_REGISTER_USHORT returns the USHORT value read from the specified register address.

Remarks

Callers of READ_REGISTER_USHORT can be running at any IRQL, assuming the Register is resident, mapped device memory.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header ioaccess.h (include Wdm.h, Ntddk.h, Ntifs.h, Ioaccess.h, Miniport.h, Wudfwdm.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL Any level (see Remarks section)