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HdvCreateSectionBackedMmioRange

関数
セクションを基にしたMMIO範囲を作成する。
DLLvmdevicehost.dll呼出規約winapi

シグネチャ

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

HRESULT HdvCreateSectionBackedMmioRange(
    void* requestor,
    HDV_PCI_BAR_SELECTOR barIndex,
    ULONGLONG offsetInPages,
    ULONGLONG lengthInPages,
    HDV_MMIO_MAPPING_FLAGS MappingFlags,
    HANDLE sectionHandle,
    ULONGLONG sectionOffsetInPages
);

パラメーター

名前型方向説明
requestorvoid*in操作を要求するデバイス等を表すリクエスタコンテキストへのポインタ。
barIndexHDV_PCI_BAR_SELECTORinMMIO範囲を作成する対象PCI BARを選択する列挙値を指定する。
offsetInPagesULONGLONGinBAR内における範囲開始位置をページ単位のオフセットで指定する。
lengthInPagesULONGLONGinMMIO範囲の長さをページ数で指定する。
MappingFlagsHDV_MMIO_MAPPING_FLAGSinMMIOマッピングの属性(読み取り/書き込み等)を制御するフラグ列挙値。
sectionHandleHANDLEinMMIO範囲の実体として裏付けるセクションオブジェクトのハンドルを指定する。
sectionOffsetInPagesULONGLONGinセクション内における裏付け開始位置をページ単位で指定する。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT HdvCreateSectionBackedMmioRange(
    void* requestor,
    HDV_PCI_BAR_SELECTOR barIndex,
    ULONGLONG offsetInPages,
    ULONGLONG lengthInPages,
    HDV_MMIO_MAPPING_FLAGS MappingFlags,
    HANDLE sectionHandle,
    ULONGLONG sectionOffsetInPages
);
[DllImport("vmdevicehost.dll", ExactSpelling = true)]
static extern int HdvCreateSectionBackedMmioRange(
    IntPtr requestor,   // void*
    int barIndex,   // HDV_PCI_BAR_SELECTOR
    ulong offsetInPages,   // ULONGLONG
    ulong lengthInPages,   // ULONGLONG
    int MappingFlags,   // HDV_MMIO_MAPPING_FLAGS
    IntPtr sectionHandle,   // HANDLE
    ulong sectionOffsetInPages   // ULONGLONG
);
<DllImport("vmdevicehost.dll", ExactSpelling:=True)>
Public Shared Function HdvCreateSectionBackedMmioRange(
    requestor As IntPtr,   ' void*
    barIndex As Integer,   ' HDV_PCI_BAR_SELECTOR
    offsetInPages As ULong,   ' ULONGLONG
    lengthInPages As ULong,   ' ULONGLONG
    MappingFlags As Integer,   ' HDV_MMIO_MAPPING_FLAGS
    sectionHandle As IntPtr,   ' HANDLE
    sectionOffsetInPages As ULong   ' ULONGLONG
) As Integer
End Function
' requestor : void*
' barIndex : HDV_PCI_BAR_SELECTOR
' offsetInPages : ULONGLONG
' lengthInPages : ULONGLONG
' MappingFlags : HDV_MMIO_MAPPING_FLAGS
' sectionHandle : HANDLE
' sectionOffsetInPages : ULONGLONG
Declare PtrSafe Function HdvCreateSectionBackedMmioRange Lib "vmdevicehost" ( _
    ByVal requestor As LongPtr, _
    ByVal barIndex As Long, _
    ByVal offsetInPages As LongLong, _
    ByVal lengthInPages As LongLong, _
    ByVal MappingFlags As Long, _
    ByVal sectionHandle As LongPtr, _
    ByVal sectionOffsetInPages As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

HdvCreateSectionBackedMmioRange = ctypes.windll.vmdevicehost.HdvCreateSectionBackedMmioRange
HdvCreateSectionBackedMmioRange.restype = ctypes.c_int
HdvCreateSectionBackedMmioRange.argtypes = [
    ctypes.POINTER(None),  # requestor : void*
    ctypes.c_int,  # barIndex : HDV_PCI_BAR_SELECTOR
    ctypes.c_ulonglong,  # offsetInPages : ULONGLONG
    ctypes.c_ulonglong,  # lengthInPages : ULONGLONG
    ctypes.c_int,  # MappingFlags : HDV_MMIO_MAPPING_FLAGS
    wintypes.HANDLE,  # sectionHandle : HANDLE
    ctypes.c_ulonglong,  # sectionOffsetInPages : ULONGLONG
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('vmdevicehost.dll')
HdvCreateSectionBackedMmioRange = Fiddle::Function.new(
  lib['HdvCreateSectionBackedMmioRange'],
  [
    Fiddle::TYPE_VOIDP,  # requestor : void*
    Fiddle::TYPE_INT,  # barIndex : HDV_PCI_BAR_SELECTOR
    -Fiddle::TYPE_LONG_LONG,  # offsetInPages : ULONGLONG
    -Fiddle::TYPE_LONG_LONG,  # lengthInPages : ULONGLONG
    Fiddle::TYPE_INT,  # MappingFlags : HDV_MMIO_MAPPING_FLAGS
    Fiddle::TYPE_VOIDP,  # sectionHandle : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # sectionOffsetInPages : ULONGLONG
  ],
  Fiddle::TYPE_INT)
#[link(name = "vmdevicehost")]
extern "system" {
    fn HdvCreateSectionBackedMmioRange(
        requestor: *mut (),  // void*
        barIndex: i32,  // HDV_PCI_BAR_SELECTOR
        offsetInPages: u64,  // ULONGLONG
        lengthInPages: u64,  // ULONGLONG
        MappingFlags: i32,  // HDV_MMIO_MAPPING_FLAGS
        sectionHandle: *mut core::ffi::c_void,  // HANDLE
        sectionOffsetInPages: u64  // ULONGLONG
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("vmdevicehost.dll")]
public static extern int HdvCreateSectionBackedMmioRange(IntPtr requestor, int barIndex, ulong offsetInPages, ulong lengthInPages, int MappingFlags, IntPtr sectionHandle, ulong sectionOffsetInPages);
"@
$api = Add-Type -MemberDefinition $sig -Name 'vmdevicehost_HdvCreateSectionBackedMmioRange' -Namespace Win32 -PassThru
# $api::HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
#uselib "vmdevicehost.dll"
#func global HdvCreateSectionBackedMmioRange "HdvCreateSectionBackedMmioRange" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; HdvCreateSectionBackedMmioRange requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages   ; 戻り値は stat
; requestor : void* -> "sptr"
; barIndex : HDV_PCI_BAR_SELECTOR -> "sptr"
; offsetInPages : ULONGLONG -> "sptr"
; lengthInPages : ULONGLONG -> "sptr"
; MappingFlags : HDV_MMIO_MAPPING_FLAGS -> "sptr"
; sectionHandle : HANDLE -> "sptr"
; sectionOffsetInPages : ULONGLONG -> "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 "vmdevicehost.dll"
#cfunc global HdvCreateSectionBackedMmioRange "HdvCreateSectionBackedMmioRange" sptr, int, int64, int64, int, sptr, int64
; res = HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
; requestor : void* -> "sptr"
; barIndex : HDV_PCI_BAR_SELECTOR -> "int"
; offsetInPages : ULONGLONG -> "int64"
; lengthInPages : ULONGLONG -> "int64"
; MappingFlags : HDV_MMIO_MAPPING_FLAGS -> "int"
; sectionHandle : HANDLE -> "sptr"
; sectionOffsetInPages : ULONGLONG -> "int64"
; ※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 HdvCreateSectionBackedMmioRange(void* requestor, HDV_PCI_BAR_SELECTOR barIndex, ULONGLONG offsetInPages, ULONGLONG lengthInPages, HDV_MMIO_MAPPING_FLAGS MappingFlags, HANDLE sectionHandle, ULONGLONG sectionOffsetInPages)
#uselib "vmdevicehost.dll"
#cfunc global HdvCreateSectionBackedMmioRange "HdvCreateSectionBackedMmioRange" intptr, int, int64, int64, int, intptr, int64
; res = HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
; requestor : void* -> "intptr"
; barIndex : HDV_PCI_BAR_SELECTOR -> "int"
; offsetInPages : ULONGLONG -> "int64"
; lengthInPages : ULONGLONG -> "int64"
; MappingFlags : HDV_MMIO_MAPPING_FLAGS -> "int"
; sectionHandle : HANDLE -> "intptr"
; sectionOffsetInPages : ULONGLONG -> "int64"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmdevicehost = windows.NewLazySystemDLL("vmdevicehost.dll")
	procHdvCreateSectionBackedMmioRange = vmdevicehost.NewProc("HdvCreateSectionBackedMmioRange")
)

// requestor (void*), barIndex (HDV_PCI_BAR_SELECTOR), offsetInPages (ULONGLONG), lengthInPages (ULONGLONG), MappingFlags (HDV_MMIO_MAPPING_FLAGS), sectionHandle (HANDLE), sectionOffsetInPages (ULONGLONG)
r1, _, err := procHdvCreateSectionBackedMmioRange.Call(
	uintptr(requestor),
	uintptr(barIndex),
	uintptr(offsetInPages),
	uintptr(lengthInPages),
	uintptr(MappingFlags),
	uintptr(sectionHandle),
	uintptr(sectionOffsetInPages),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function HdvCreateSectionBackedMmioRange(
  requestor: Pointer;   // void*
  barIndex: Integer;   // HDV_PCI_BAR_SELECTOR
  offsetInPages: UInt64;   // ULONGLONG
  lengthInPages: UInt64;   // ULONGLONG
  MappingFlags: Integer;   // HDV_MMIO_MAPPING_FLAGS
  sectionHandle: THandle;   // HANDLE
  sectionOffsetInPages: UInt64   // ULONGLONG
): Integer; stdcall;
  external 'vmdevicehost.dll' name 'HdvCreateSectionBackedMmioRange';
result := DllCall("vmdevicehost\HdvCreateSectionBackedMmioRange"
    , "Ptr", requestor   ; void*
    , "Int", barIndex   ; HDV_PCI_BAR_SELECTOR
    , "Int64", offsetInPages   ; ULONGLONG
    , "Int64", lengthInPages   ; ULONGLONG
    , "Int", MappingFlags   ; HDV_MMIO_MAPPING_FLAGS
    , "Ptr", sectionHandle   ; HANDLE
    , "Int64", sectionOffsetInPages   ; ULONGLONG
    , "Int")   ; return: HRESULT
●HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages) = DLL("vmdevicehost.dll", "int HdvCreateSectionBackedMmioRange(void*, int, qword, qword, int, void*, qword)")
# 呼び出し: HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
# requestor : void* -> "void*"
# barIndex : HDV_PCI_BAR_SELECTOR -> "int"
# offsetInPages : ULONGLONG -> "qword"
# lengthInPages : ULONGLONG -> "qword"
# MappingFlags : HDV_MMIO_MAPPING_FLAGS -> "int"
# sectionHandle : HANDLE -> "void*"
# sectionOffsetInPages : ULONGLONG -> "qword"
# 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 "vmdevicehost" fn HdvCreateSectionBackedMmioRange(
    requestor: ?*anyopaque, // void*
    barIndex: i32, // HDV_PCI_BAR_SELECTOR
    offsetInPages: u64, // ULONGLONG
    lengthInPages: u64, // ULONGLONG
    MappingFlags: i32, // HDV_MMIO_MAPPING_FLAGS
    sectionHandle: ?*anyopaque, // HANDLE
    sectionOffsetInPages: u64 // ULONGLONG
) callconv(std.os.windows.WINAPI) i32;
proc HdvCreateSectionBackedMmioRange(
    requestor: pointer,  # void*
    barIndex: int32,  # HDV_PCI_BAR_SELECTOR
    offsetInPages: uint64,  # ULONGLONG
    lengthInPages: uint64,  # ULONGLONG
    MappingFlags: int32,  # HDV_MMIO_MAPPING_FLAGS
    sectionHandle: pointer,  # HANDLE
    sectionOffsetInPages: uint64  # ULONGLONG
): int32 {.importc: "HdvCreateSectionBackedMmioRange", stdcall, dynlib: "vmdevicehost.dll".}
pragma(lib, "vmdevicehost");
extern(Windows)
int HdvCreateSectionBackedMmioRange(
    void* requestor,   // void*
    int barIndex,   // HDV_PCI_BAR_SELECTOR
    ulong offsetInPages,   // ULONGLONG
    ulong lengthInPages,   // ULONGLONG
    int MappingFlags,   // HDV_MMIO_MAPPING_FLAGS
    void* sectionHandle,   // HANDLE
    ulong sectionOffsetInPages   // ULONGLONG
);
ccall((:HdvCreateSectionBackedMmioRange, "vmdevicehost.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Int32, UInt64, UInt64, Int32, Ptr{Cvoid}, UInt64),
      requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
# requestor : void* -> Ptr{Cvoid}
# barIndex : HDV_PCI_BAR_SELECTOR -> Int32
# offsetInPages : ULONGLONG -> UInt64
# lengthInPages : ULONGLONG -> UInt64
# MappingFlags : HDV_MMIO_MAPPING_FLAGS -> Int32
# sectionHandle : HANDLE -> Ptr{Cvoid}
# sectionOffsetInPages : ULONGLONG -> UInt64
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t HdvCreateSectionBackedMmioRange(
    void* requestor,
    int32_t barIndex,
    uint64_t offsetInPages,
    uint64_t lengthInPages,
    int32_t MappingFlags,
    void* sectionHandle,
    uint64_t sectionOffsetInPages);
]]
local vmdevicehost = ffi.load("vmdevicehost")
-- vmdevicehost.HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
-- requestor : void*
-- barIndex : HDV_PCI_BAR_SELECTOR
-- offsetInPages : ULONGLONG
-- lengthInPages : ULONGLONG
-- MappingFlags : HDV_MMIO_MAPPING_FLAGS
-- sectionHandle : HANDLE
-- sectionOffsetInPages : ULONGLONG
-- 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('vmdevicehost.dll');
const HdvCreateSectionBackedMmioRange = lib.func('__stdcall', 'HdvCreateSectionBackedMmioRange', 'int32_t', ['void *', 'int32_t', 'uint64_t', 'uint64_t', 'int32_t', 'void *', 'uint64_t']);
// HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
// requestor : void* -> 'void *'
// barIndex : HDV_PCI_BAR_SELECTOR -> 'int32_t'
// offsetInPages : ULONGLONG -> 'uint64_t'
// lengthInPages : ULONGLONG -> 'uint64_t'
// MappingFlags : HDV_MMIO_MAPPING_FLAGS -> 'int32_t'
// sectionHandle : HANDLE -> 'void *'
// sectionOffsetInPages : ULONGLONG -> 'uint64_t'
// 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("vmdevicehost.dll", {
  HdvCreateSectionBackedMmioRange: { parameters: ["pointer", "i32", "u64", "u64", "i32", "pointer", "u64"], result: "i32" },
});
// lib.symbols.HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages)
// requestor : void* -> "pointer"
// barIndex : HDV_PCI_BAR_SELECTOR -> "i32"
// offsetInPages : ULONGLONG -> "u64"
// lengthInPages : ULONGLONG -> "u64"
// MappingFlags : HDV_MMIO_MAPPING_FLAGS -> "i32"
// sectionHandle : HANDLE -> "pointer"
// sectionOffsetInPages : ULONGLONG -> "u64"
// 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 HdvCreateSectionBackedMmioRange(
    void* requestor,
    int32_t barIndex,
    uint64_t offsetInPages,
    uint64_t lengthInPages,
    int32_t MappingFlags,
    void* sectionHandle,
    uint64_t sectionOffsetInPages);
C, "vmdevicehost.dll");
// $ffi->HdvCreateSectionBackedMmioRange(requestor, barIndex, offsetInPages, lengthInPages, MappingFlags, sectionHandle, sectionOffsetInPages);
// requestor : void*
// barIndex : HDV_PCI_BAR_SELECTOR
// offsetInPages : ULONGLONG
// lengthInPages : ULONGLONG
// MappingFlags : HDV_MMIO_MAPPING_FLAGS
// sectionHandle : HANDLE
// sectionOffsetInPages : ULONGLONG
// 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 Vmdevicehost extends StdCallLibrary {
    Vmdevicehost INSTANCE = Native.load("vmdevicehost", Vmdevicehost.class);
    int HdvCreateSectionBackedMmioRange(
        Pointer requestor,   // void*
        int barIndex,   // HDV_PCI_BAR_SELECTOR
        long offsetInPages,   // ULONGLONG
        long lengthInPages,   // ULONGLONG
        int MappingFlags,   // HDV_MMIO_MAPPING_FLAGS
        Pointer sectionHandle,   // HANDLE
        long sectionOffsetInPages   // ULONGLONG
    );
}
@[Link("vmdevicehost")]
lib Libvmdevicehost
  fun HdvCreateSectionBackedMmioRange = HdvCreateSectionBackedMmioRange(
    requestor : Void*,   # void*
    barIndex : Int32,   # HDV_PCI_BAR_SELECTOR
    offsetInPages : UInt64,   # ULONGLONG
    lengthInPages : UInt64,   # ULONGLONG
    MappingFlags : Int32,   # HDV_MMIO_MAPPING_FLAGS
    sectionHandle : Void*,   # HANDLE
    sectionOffsetInPages : UInt64   # ULONGLONG
  ) : 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 HdvCreateSectionBackedMmioRangeNative = Int32 Function(Pointer<Void>, Int32, Uint64, Uint64, Int32, Pointer<Void>, Uint64);
typedef HdvCreateSectionBackedMmioRangeDart = int Function(Pointer<Void>, int, int, int, int, Pointer<Void>, int);
final HdvCreateSectionBackedMmioRange = DynamicLibrary.open('vmdevicehost.dll')
    .lookupFunction<HdvCreateSectionBackedMmioRangeNative, HdvCreateSectionBackedMmioRangeDart>('HdvCreateSectionBackedMmioRange');
// requestor : void* -> Pointer<Void>
// barIndex : HDV_PCI_BAR_SELECTOR -> Int32
// offsetInPages : ULONGLONG -> Uint64
// lengthInPages : ULONGLONG -> Uint64
// MappingFlags : HDV_MMIO_MAPPING_FLAGS -> Int32
// sectionHandle : HANDLE -> Pointer<Void>
// sectionOffsetInPages : ULONGLONG -> Uint64
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function HdvCreateSectionBackedMmioRange(
  requestor: Pointer;   // void*
  barIndex: Integer;   // HDV_PCI_BAR_SELECTOR
  offsetInPages: UInt64;   // ULONGLONG
  lengthInPages: UInt64;   // ULONGLONG
  MappingFlags: Integer;   // HDV_MMIO_MAPPING_FLAGS
  sectionHandle: THandle;   // HANDLE
  sectionOffsetInPages: UInt64   // ULONGLONG
): Integer; stdcall;
  external 'vmdevicehost.dll' name 'HdvCreateSectionBackedMmioRange';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "HdvCreateSectionBackedMmioRange"
  c_HdvCreateSectionBackedMmioRange :: Ptr () -> Int32 -> Word64 -> Word64 -> Int32 -> Ptr () -> Word64 -> IO Int32
-- requestor : void* -> Ptr ()
-- barIndex : HDV_PCI_BAR_SELECTOR -> Int32
-- offsetInPages : ULONGLONG -> Word64
-- lengthInPages : ULONGLONG -> Word64
-- MappingFlags : HDV_MMIO_MAPPING_FLAGS -> Int32
-- sectionHandle : HANDLE -> Ptr ()
-- sectionOffsetInPages : ULONGLONG -> Word64
-- 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 hdvcreatesectionbackedmmiorange =
  foreign "HdvCreateSectionBackedMmioRange"
    ((ptr void) @-> int32_t @-> uint64_t @-> uint64_t @-> int32_t @-> (ptr void) @-> uint64_t @-> returning int32_t)
(* requestor : void* -> (ptr void) *)
(* barIndex : HDV_PCI_BAR_SELECTOR -> int32_t *)
(* offsetInPages : ULONGLONG -> uint64_t *)
(* lengthInPages : ULONGLONG -> uint64_t *)
(* MappingFlags : HDV_MMIO_MAPPING_FLAGS -> int32_t *)
(* sectionHandle : HANDLE -> (ptr void) *)
(* sectionOffsetInPages : ULONGLONG -> uint64_t *)
(* 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 vmdevicehost (t "vmdevicehost.dll"))
(cffi:use-foreign-library vmdevicehost)

(cffi:defcfun ("HdvCreateSectionBackedMmioRange" hdv-create-section-backed-mmio-range :convention :stdcall) :int32
  (requestor :pointer)   ; void*
  (bar-index :int32)   ; HDV_PCI_BAR_SELECTOR
  (offset-in-pages :uint64)   ; ULONGLONG
  (length-in-pages :uint64)   ; ULONGLONG
  (mapping-flags :int32)   ; HDV_MMIO_MAPPING_FLAGS
  (section-handle :pointer)   ; HANDLE
  (section-offset-in-pages :uint64))   ; ULONGLONG
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $HdvCreateSectionBackedMmioRange = Win32::API::More->new('vmdevicehost',
    'int HdvCreateSectionBackedMmioRange(LPVOID requestor, int barIndex, UINT64 offsetInPages, UINT64 lengthInPages, int MappingFlags, HANDLE sectionHandle, UINT64 sectionOffsetInPages)');
# my $ret = $HdvCreateSectionBackedMmioRange->Call($requestor, $barIndex, $offsetInPages, $lengthInPages, $MappingFlags, $sectionHandle, $sectionOffsetInPages);
# requestor : void* -> LPVOID
# barIndex : HDV_PCI_BAR_SELECTOR -> int
# offsetInPages : ULONGLONG -> UINT64
# lengthInPages : ULONGLONG -> UINT64
# MappingFlags : HDV_MMIO_MAPPING_FLAGS -> int
# sectionHandle : HANDLE -> HANDLE
# sectionOffsetInPages : ULONGLONG -> UINT64
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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