RtlFlushNonVolatileMemory function

The routine RtlFlushNonVolatileMemory optimally flushes the given non-volatile memory region.

Syntax

NTSYSAPI NTSTATUS RtlFlushNonVolatileMemory(
  PVOID  NvToken,
  PVOID  NvBuffer,
  SIZE_T Size,
  ULONG  Flags
);

Parameters

NvToken

A pointer to an opaque structure that has information about various properties of the non-volatile memory region which RtlGetNonVolatileToken had returned.

NvBuffer

A pointer to the non-volatile memory to flush. This should be user addresses obtained from a file mapping object.

Size

The length, in bytes, of the non-volatile memory buffer NvBuffer points to.

Flags

One of the following flags can be specified:

Flags Meaning
FLUSH_NV_MEMORY_IN_FLAG_NO_DRAIN Specifies that this routine does not need to wait for the flush to drain.

Return Value

The routine RtlFreeNonVolatileToken returns one of the status codes:

Return code Description
STATUS_INVALID_PARAMETER
NvToken is an invalid pointer or token.
STATUS_SUCCESS
The request was successful.

Remarks

This routine RtlFlushNonVolatileMemory can also add more context to NvToken to help verifiers. This routine is currently not supported for Windows Server until the next major release of Windows Server.

Requirements

   
Windows version Windows 10, version 1703 None supported
Target Platform Windows
Header ntddk.h (include Winnt.h)

See Also

RtlDrainNonVolatileFlush

RtlFlushNonVolatileMemoryRanges

RtlFreeNonVolatileToken

RtlGetNonVolatileToken

RtlWriteNonVolatileMemory