WHvSetVpciDevicePowerState

// WinHvPlatform.dll
#include <windows.h>

HRESULT WHvSetVpciDevicePowerState(
    WHV_PARTITION_HANDLE Partition,
    ULONGLONG LogicalDeviceId,
    DEVICE_POWER_STATE PowerState
);

<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvSetVpciDevicePowerState(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    LogicalDeviceId As ULong,   ' ULONGLONG
    PowerState As Integer   ' DEVICE_POWER_STATE
) As Integer
End Function

' Partition : WHV_PARTITION_HANDLE
' LogicalDeviceId : ULONGLONG
' PowerState : DEVICE_POWER_STATE
Declare PtrSafe Function WHvSetVpciDevicePowerState Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal LogicalDeviceId As LongLong, _
    ByVal PowerState As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WHvSetVpciDevicePowerState = ctypes.windll.winhvplatform.WHvSetVpciDevicePowerState
WHvSetVpciDevicePowerState.restype = ctypes.c_int
WHvSetVpciDevicePowerState.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    ctypes.c_ulonglong,  # LogicalDeviceId : ULONGLONG
    ctypes.c_int,  # PowerState : DEVICE_POWER_STATE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvSetVpciDevicePowerState = Fiddle::Function.new(
  lib['WHvSetVpciDevicePowerState'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    -Fiddle::TYPE_LONG_LONG,  # LogicalDeviceId : ULONGLONG
    Fiddle::TYPE_INT,  # PowerState : DEVICE_POWER_STATE
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhvplatform")]
extern "system" {
    fn WHvSetVpciDevicePowerState(
        Partition: isize,  // WHV_PARTITION_HANDLE
        LogicalDeviceId: u64,  // ULONGLONG
        PowerState: i32  // DEVICE_POWER_STATE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvSetVpciDevicePowerState(IntPtr Partition, ulong LogicalDeviceId, int PowerState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvSetVpciDevicePowerState' -Namespace Win32 -PassThru
# $api::WHvSetVpciDevicePowerState(Partition, LogicalDeviceId, PowerState)

#uselib "WinHvPlatform.dll"
#func global WHvSetVpciDevicePowerState "WHvSetVpciDevicePowerState" sptr, sptr, sptr
; WHvSetVpciDevicePowerState Partition, LogicalDeviceId, PowerState   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; LogicalDeviceId : ULONGLONG -> "sptr"
; PowerState : DEVICE_POWER_STATE -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "WinHvPlatform.dll"
#cfunc global WHvSetVpciDevicePowerState "WHvSetVpciDevicePowerState" sptr, int64, int
; res = WHvSetVpciDevicePowerState(Partition, LogicalDeviceId, PowerState)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; LogicalDeviceId : ULONGLONG -> "int64"
; PowerState : DEVICE_POWER_STATE -> "int"
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; HRESULT WHvSetVpciDevicePowerState(WHV_PARTITION_HANDLE Partition, ULONGLONG LogicalDeviceId, DEVICE_POWER_STATE PowerState)
#uselib "WinHvPlatform.dll"
#cfunc global WHvSetVpciDevicePowerState "WHvSetVpciDevicePowerState" intptr, int64, int
; res = WHvSetVpciDevicePowerState(Partition, LogicalDeviceId, PowerState)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; LogicalDeviceId : ULONGLONG -> "int64"
; PowerState : DEVICE_POWER_STATE -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvSetVpciDevicePowerState = winhvplatform.NewProc("WHvSetVpciDevicePowerState")
)

// Partition (WHV_PARTITION_HANDLE), LogicalDeviceId (ULONGLONG), PowerState (DEVICE_POWER_STATE)
r1, _, err := procWHvSetVpciDevicePowerState.Call(
	uintptr(Partition),
	uintptr(LogicalDeviceId),
	uintptr(PowerState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WHvSetVpciDevicePowerState(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  LogicalDeviceId: UInt64;   // ULONGLONG
  PowerState: Integer   // DEVICE_POWER_STATE
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvSetVpciDevicePowerState';

result := DllCall("WinHvPlatform\WHvSetVpciDevicePowerState"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "Int64", LogicalDeviceId   ; ULONGLONG
    , "Int", PowerState   ; DEVICE_POWER_STATE
    , "Int")   ; return: HRESULT

●WHvSetVpciDevicePowerState(Partition, LogicalDeviceId, PowerState) = DLL("WinHvPlatform.dll", "int WHvSetVpciDevicePowerState(int, qword, int)")
# 呼び出し: WHvSetVpciDevicePowerState(Partition, LogicalDeviceId, PowerState)
# Partition : WHV_PARTITION_HANDLE -> "int"
# LogicalDeviceId : ULONGLONG -> "qword"
# PowerState : DEVICE_POWER_STATE -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。