#ifndef _NTIOAPI_H
// private
typedef struct _MUP_PROVIDER_INFORMATION
{
    ULONG Level;
    PVOID Buffer;
    PULONG BufferSize;
} MUP_PROVIDER_INFORMATION, *PMUP_PROVIDER_INFORMATION;
View code on GitHub// ntifs.h
typedef struct _MUP_PROVIDER_INFORMATION {
  ULONG  Level;
  PVOID  Buffer;
  PULONG BufferSize;
} MUP_PROVIDER_INFORMATION, *PMUP_PROVIDER_INFORMATION;
View the official Windows Driver Kit DDI referenceNo description available.
MUP_PROVIDER_INFORMATION is reserved for system use.
LevelBufferBufferSize