WHvAllocateVpciResource

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

HRESULT WHvAllocateVpciResource(
    const GUID* ProviderId,   // optional
    WHV_ALLOCATE_VPCI_RESOURCE_FLAGS Flags,
    const void* ResourceDescriptor,   // optional
    DWORD ResourceDescriptorSizeInBytes,
    HANDLE* VpciResource
);

<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvAllocateVpciResource(
    ProviderId As IntPtr,   ' GUID* optional
    Flags As Integer,   ' WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    ResourceDescriptor As IntPtr,   ' void* optional
    ResourceDescriptorSizeInBytes As UInteger,   ' DWORD
    VpciResource As IntPtr   ' HANDLE* out
) As Integer
End Function

' ProviderId : GUID* optional
' Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
' ResourceDescriptor : void* optional
' ResourceDescriptorSizeInBytes : DWORD
' VpciResource : HANDLE* out
Declare PtrSafe Function WHvAllocateVpciResource Lib "winhvplatform" ( _
    ByVal ProviderId As LongPtr, _
    ByVal Flags As Long, _
    ByVal ResourceDescriptor As LongPtr, _
    ByVal ResourceDescriptorSizeInBytes As Long, _
    ByVal VpciResource As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WHvAllocateVpciResource = ctypes.windll.winhvplatform.WHvAllocateVpciResource
WHvAllocateVpciResource.restype = ctypes.c_int
WHvAllocateVpciResource.argtypes = [
    ctypes.c_void_p,  # ProviderId : GUID* optional
    ctypes.c_int,  # Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    ctypes.POINTER(None),  # ResourceDescriptor : void* optional
    wintypes.DWORD,  # ResourceDescriptorSizeInBytes : DWORD
    ctypes.c_void_p,  # VpciResource : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvAllocateVpciResource = Fiddle::Function.new(
  lib['WHvAllocateVpciResource'],
  [
    Fiddle::TYPE_VOIDP,  # ProviderId : GUID* optional
    Fiddle::TYPE_INT,  # Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    Fiddle::TYPE_VOIDP,  # ResourceDescriptor : void* optional
    -Fiddle::TYPE_INT,  # ResourceDescriptorSizeInBytes : DWORD
    Fiddle::TYPE_VOIDP,  # VpciResource : HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhvplatform")]
extern "system" {
    fn WHvAllocateVpciResource(
        ProviderId: *const GUID,  // GUID* optional
        Flags: i32,  // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
        ResourceDescriptor: *const (),  // void* optional
        ResourceDescriptorSizeInBytes: u32,  // DWORD
        VpciResource: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvAllocateVpciResource(IntPtr ProviderId, int Flags, IntPtr ResourceDescriptor, uint ResourceDescriptorSizeInBytes, IntPtr VpciResource);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvAllocateVpciResource' -Namespace Win32 -PassThru
# $api::WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)

#uselib "WinHvPlatform.dll"
#func global WHvAllocateVpciResource "WHvAllocateVpciResource" sptr, sptr, sptr, sptr, sptr
; WHvAllocateVpciResource varptr(ProviderId), Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource   ; 戻り値は stat
; ProviderId : GUID* optional -> "sptr"
; Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> "sptr"
; ResourceDescriptor : void* optional -> "sptr"
; ResourceDescriptorSizeInBytes : DWORD -> "sptr"
; VpciResource : HANDLE* out -> "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。

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

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvAllocateVpciResource = winhvplatform.NewProc("WHvAllocateVpciResource")
)

// ProviderId (GUID* optional), Flags (WHV_ALLOCATE_VPCI_RESOURCE_FLAGS), ResourceDescriptor (void* optional), ResourceDescriptorSizeInBytes (DWORD), VpciResource (HANDLE* out)
r1, _, err := procWHvAllocateVpciResource.Call(
	uintptr(ProviderId),
	uintptr(Flags),
	uintptr(ResourceDescriptor),
	uintptr(ResourceDescriptorSizeInBytes),
	uintptr(VpciResource),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WHvAllocateVpciResource(
  ProviderId: PGUID;   // GUID* optional
  Flags: Integer;   // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
  ResourceDescriptor: Pointer;   // void* optional
  ResourceDescriptorSizeInBytes: DWORD;   // DWORD
  VpciResource: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvAllocateVpciResource';

result := DllCall("WinHvPlatform\WHvAllocateVpciResource"
    , "Ptr", ProviderId   ; GUID* optional
    , "Int", Flags   ; WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    , "Ptr", ResourceDescriptor   ; void* optional
    , "UInt", ResourceDescriptorSizeInBytes   ; DWORD
    , "Ptr", VpciResource   ; HANDLE* out
    , "Int")   ; return: HRESULT

●WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource) = DLL("WinHvPlatform.dll", "int WHvAllocateVpciResource(void*, int, void*, dword, void*)")
# 呼び出し: WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)
# ProviderId : GUID* optional -> "void*"
# Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> "int"
# ResourceDescriptor : void* optional -> "void*"
# ResourceDescriptorSizeInBytes : DWORD -> "dword"
# VpciResource : HANDLE* out -> "void*"
# 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)。

const std = @import("std");

extern "winhvplatform" fn WHvAllocateVpciResource(
    ProviderId: [*c]GUID, // GUID* optional
    Flags: i32, // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    ResourceDescriptor: ?*anyopaque, // void* optional
    ResourceDescriptorSizeInBytes: u32, // DWORD
    VpciResource: ?*anyopaque // HANDLE* out
) callconv(std.os.windows.WINAPI) i32;

proc WHvAllocateVpciResource(
    ProviderId: ptr GUID,  # GUID* optional
    Flags: int32,  # WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    ResourceDescriptor: pointer,  # void* optional
    ResourceDescriptorSizeInBytes: uint32,  # DWORD
    VpciResource: pointer  # HANDLE* out
): int32 {.importc: "WHvAllocateVpciResource", stdcall, dynlib: "WinHvPlatform.dll".}

pragma(lib, "winhvplatform");
extern(Windows)
int WHvAllocateVpciResource(
    GUID* ProviderId,   // GUID* optional
    int Flags,   // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    void* ResourceDescriptor,   // void* optional
    uint ResourceDescriptorSizeInBytes,   // DWORD
    void* VpciResource   // HANDLE* out
);

ccall((:WHvAllocateVpciResource, "WinHvPlatform.dll"), stdcall, Int32,
      (Ptr{GUID}, Int32, Ptr{Cvoid}, UInt32, Ptr{Cvoid}),
      ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)
# ProviderId : GUID* optional -> Ptr{GUID}
# Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> Int32
# ResourceDescriptor : void* optional -> Ptr{Cvoid}
# ResourceDescriptorSizeInBytes : DWORD -> UInt32
# VpciResource : HANDLE* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WHvAllocateVpciResource(
    void* ProviderId,
    int32_t Flags,
    void* ResourceDescriptor,
    uint32_t ResourceDescriptorSizeInBytes,
    void* VpciResource);
]]
local winhvplatform = ffi.load("winhvplatform")
-- winhvplatform.WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)
-- ProviderId : GUID* optional
-- Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
-- ResourceDescriptor : void* optional
-- ResourceDescriptorSizeInBytes : DWORD
-- VpciResource : HANDLE* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('WinHvPlatform.dll');
const WHvAllocateVpciResource = lib.func('__stdcall', 'WHvAllocateVpciResource', 'int32_t', ['void *', 'int32_t', 'void *', 'uint32_t', 'void *']);
// WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)
// ProviderId : GUID* optional -> 'void *'
// Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> 'int32_t'
// ResourceDescriptor : void* optional -> 'void *'
// ResourceDescriptorSizeInBytes : DWORD -> 'uint32_t'
// VpciResource : HANDLE* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("WinHvPlatform.dll", {
  WHvAllocateVpciResource: { parameters: ["pointer", "i32", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource)
// ProviderId : GUID* optional -> "pointer"
// Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> "i32"
// ResourceDescriptor : void* optional -> "pointer"
// ResourceDescriptorSizeInBytes : DWORD -> "u32"
// VpciResource : HANDLE* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t WHvAllocateVpciResource(
    void* ProviderId,
    int32_t Flags,
    void* ResourceDescriptor,
    uint32_t ResourceDescriptorSizeInBytes,
    void* VpciResource);
C, "WinHvPlatform.dll");
// $ffi->WHvAllocateVpciResource(ProviderId, Flags, ResourceDescriptor, ResourceDescriptorSizeInBytes, VpciResource);
// ProviderId : GUID* optional
// Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
// ResourceDescriptor : void* optional
// ResourceDescriptorSizeInBytes : DWORD
// VpciResource : HANDLE* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Winhvplatform extends StdCallLibrary {
    Winhvplatform INSTANCE = Native.load("winhvplatform", Winhvplatform.class);
    int WHvAllocateVpciResource(
        Pointer ProviderId,   // GUID* optional
        int Flags,   // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
        Pointer ResourceDescriptor,   // void* optional
        int ResourceDescriptorSizeInBytes,   // DWORD
        Pointer VpciResource   // HANDLE* out
    );
}

@[Link("winhvplatform")]
lib LibWinHvPlatform
  fun WHvAllocateVpciResource = WHvAllocateVpciResource(
    ProviderId : GUID*,   # GUID* optional
    Flags : Int32,   # WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
    ResourceDescriptor : Void*,   # void* optional
    ResourceDescriptorSizeInBytes : UInt32,   # DWORD
    VpciResource : Void*   # HANDLE* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WHvAllocateVpciResourceNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>, Uint32, Pointer<Void>);
typedef WHvAllocateVpciResourceDart = int Function(Pointer<Void>, int, Pointer<Void>, int, Pointer<Void>);
final WHvAllocateVpciResource = DynamicLibrary.open('WinHvPlatform.dll')
    .lookupFunction<WHvAllocateVpciResourceNative, WHvAllocateVpciResourceDart>('WHvAllocateVpciResource');
// ProviderId : GUID* optional -> Pointer<Void>
// Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> Int32
// ResourceDescriptor : void* optional -> Pointer<Void>
// ResourceDescriptorSizeInBytes : DWORD -> Uint32
// VpciResource : HANDLE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WHvAllocateVpciResource(
  ProviderId: PGUID;   // GUID* optional
  Flags: Integer;   // WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
  ResourceDescriptor: Pointer;   // void* optional
  ResourceDescriptorSizeInBytes: DWORD;   // DWORD
  VpciResource: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvAllocateVpciResource';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WHvAllocateVpciResource"
  c_WHvAllocateVpciResource :: Ptr () -> Int32 -> Ptr () -> Word32 -> Ptr () -> IO Int32
-- ProviderId : GUID* optional -> Ptr ()
-- Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> Int32
-- ResourceDescriptor : void* optional -> Ptr ()
-- ResourceDescriptorSizeInBytes : DWORD -> Word32
-- VpciResource : HANDLE* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let whvallocatevpciresource =
  foreign "WHvAllocateVpciResource"
    ((ptr void) @-> int32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* ProviderId : GUID* optional -> (ptr void) *)
(* Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> int32_t *)
(* ResourceDescriptor : void* optional -> (ptr void) *)
(* ResourceDescriptorSizeInBytes : DWORD -> uint32_t *)
(* VpciResource : HANDLE* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library winhvplatform (t "WinHvPlatform.dll"))
(cffi:use-foreign-library winhvplatform)

(cffi:defcfun ("WHvAllocateVpciResource" whv-allocate-vpci-resource :convention :stdcall) :int32
  (provider-id :pointer)   ; GUID* optional
  (flags :int32)   ; WHV_ALLOCATE_VPCI_RESOURCE_FLAGS
  (resource-descriptor :pointer)   ; void* optional
  (resource-descriptor-size-in-bytes :uint32)   ; DWORD
  (vpci-resource :pointer))   ; HANDLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WHvAllocateVpciResource = Win32::API::More->new('WinHvPlatform',
    'int WHvAllocateVpciResource(LPVOID ProviderId, int Flags, LPVOID ResourceDescriptor, DWORD ResourceDescriptorSizeInBytes, HANDLE VpciResource)');
# my $ret = $WHvAllocateVpciResource->Call($ProviderId, $Flags, $ResourceDescriptor, $ResourceDescriptorSizeInBytes, $VpciResource);
# ProviderId : GUID* optional -> LPVOID
# Flags : WHV_ALLOCATE_VPCI_RESOURCE_FLAGS -> int
# ResourceDescriptor : void* optional -> LPVOID
# ResourceDescriptorSizeInBytes : DWORD -> DWORD
# VpciResource : HANDLE* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。