WHvPostVirtualProcessorSynicMessage

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

HRESULT WHvPostVirtualProcessorSynicMessage(
    WHV_PARTITION_HANDLE Partition,
    DWORD VpIndex,
    DWORD SintIndex,
    const void* Message,
    DWORD MessageSizeInBytes
);

<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvPostVirtualProcessorSynicMessage(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    VpIndex As UInteger,   ' DWORD
    SintIndex As UInteger,   ' DWORD
    Message As IntPtr,   ' void*
    MessageSizeInBytes As UInteger   ' DWORD
) As Integer
End Function

' Partition : WHV_PARTITION_HANDLE
' VpIndex : DWORD
' SintIndex : DWORD
' Message : void*
' MessageSizeInBytes : DWORD
Declare PtrSafe Function WHvPostVirtualProcessorSynicMessage Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal VpIndex As Long, _
    ByVal SintIndex As Long, _
    ByVal Message As LongPtr, _
    ByVal MessageSizeInBytes 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

WHvPostVirtualProcessorSynicMessage = ctypes.windll.winhvplatform.WHvPostVirtualProcessorSynicMessage
WHvPostVirtualProcessorSynicMessage.restype = ctypes.c_int
WHvPostVirtualProcessorSynicMessage.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    wintypes.DWORD,  # VpIndex : DWORD
    wintypes.DWORD,  # SintIndex : DWORD
    ctypes.POINTER(None),  # Message : void*
    wintypes.DWORD,  # MessageSizeInBytes : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvPostVirtualProcessorSynicMessage = Fiddle::Function.new(
  lib['WHvPostVirtualProcessorSynicMessage'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    -Fiddle::TYPE_INT,  # VpIndex : DWORD
    -Fiddle::TYPE_INT,  # SintIndex : DWORD
    Fiddle::TYPE_VOIDP,  # Message : void*
    -Fiddle::TYPE_INT,  # MessageSizeInBytes : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhvplatform")]
extern "system" {
    fn WHvPostVirtualProcessorSynicMessage(
        Partition: isize,  // WHV_PARTITION_HANDLE
        VpIndex: u32,  // DWORD
        SintIndex: u32,  // DWORD
        Message: *const (),  // void*
        MessageSizeInBytes: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvPostVirtualProcessorSynicMessage(IntPtr Partition, uint VpIndex, uint SintIndex, IntPtr Message, uint MessageSizeInBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvPostVirtualProcessorSynicMessage' -Namespace Win32 -PassThru
# $api::WHvPostVirtualProcessorSynicMessage(Partition, VpIndex, SintIndex, Message, MessageSizeInBytes)

#uselib "WinHvPlatform.dll"
#func global WHvPostVirtualProcessorSynicMessage "WHvPostVirtualProcessorSynicMessage" sptr, sptr, sptr, sptr, sptr
; WHvPostVirtualProcessorSynicMessage Partition, VpIndex, SintIndex, Message, MessageSizeInBytes   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "sptr"
; SintIndex : DWORD -> "sptr"
; Message : void* -> "sptr"
; MessageSizeInBytes : DWORD -> "sptr"
; ※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 WHvPostVirtualProcessorSynicMessage "WHvPostVirtualProcessorSynicMessage" sptr, int, int, sptr, int
; res = WHvPostVirtualProcessorSynicMessage(Partition, VpIndex, SintIndex, Message, MessageSizeInBytes)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; VpIndex : DWORD -> "int"
; SintIndex : DWORD -> "int"
; Message : void* -> "sptr"
; MessageSizeInBytes : DWORD -> "int"

; HRESULT WHvPostVirtualProcessorSynicMessage(WHV_PARTITION_HANDLE Partition, DWORD VpIndex, DWORD SintIndex, void* Message, DWORD MessageSizeInBytes)
#uselib "WinHvPlatform.dll"
#cfunc global WHvPostVirtualProcessorSynicMessage "WHvPostVirtualProcessorSynicMessage" intptr, int, int, intptr, int
; res = WHvPostVirtualProcessorSynicMessage(Partition, VpIndex, SintIndex, Message, MessageSizeInBytes)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; VpIndex : DWORD -> "int"
; SintIndex : DWORD -> "int"
; Message : void* -> "intptr"
; MessageSizeInBytes : DWORD -> "int"

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

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvPostVirtualProcessorSynicMessage = winhvplatform.NewProc("WHvPostVirtualProcessorSynicMessage")
)

// Partition (WHV_PARTITION_HANDLE), VpIndex (DWORD), SintIndex (DWORD), Message (void*), MessageSizeInBytes (DWORD)
r1, _, err := procWHvPostVirtualProcessorSynicMessage.Call(
	uintptr(Partition),
	uintptr(VpIndex),
	uintptr(SintIndex),
	uintptr(Message),
	uintptr(MessageSizeInBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WHvPostVirtualProcessorSynicMessage(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  VpIndex: DWORD;   // DWORD
  SintIndex: DWORD;   // DWORD
  Message: Pointer;   // void*
  MessageSizeInBytes: DWORD   // DWORD
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvPostVirtualProcessorSynicMessage';

result := DllCall("WinHvPlatform\WHvPostVirtualProcessorSynicMessage"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "UInt", VpIndex   ; DWORD
    , "UInt", SintIndex   ; DWORD
    , "Ptr", Message   ; void*
    , "UInt", MessageSizeInBytes   ; DWORD
    , "Int")   ; return: HRESULT

●WHvPostVirtualProcessorSynicMessage(Partition, VpIndex, SintIndex, Message, MessageSizeInBytes) = DLL("WinHvPlatform.dll", "int WHvPostVirtualProcessorSynicMessage(int, dword, dword, void*, dword)")
# 呼び出し: WHvPostVirtualProcessorSynicMessage(Partition, VpIndex, SintIndex, Message, MessageSizeInBytes)
# Partition : WHV_PARTITION_HANDLE -> "int"
# VpIndex : DWORD -> "dword"
# SintIndex : DWORD -> "dword"
# Message : void* -> "void*"
# MessageSizeInBytes : DWORD -> "dword"
# 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)。