HdvRegisterDoorbell

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

HRESULT HdvRegisterDoorbell(
    void* requestor,
    HDV_PCI_BAR_SELECTOR BarIndex,
    ULONGLONG BarOffset,
    ULONGLONG TriggerValue,
    ULONGLONG Flags,
    HANDLE DoorbellEvent
);

<DllImport("vmdevicehost.dll", ExactSpelling:=True)>
Public Shared Function HdvRegisterDoorbell(
    requestor As IntPtr,   ' void*
    BarIndex As Integer,   ' HDV_PCI_BAR_SELECTOR
    BarOffset As ULong,   ' ULONGLONG
    TriggerValue As ULong,   ' ULONGLONG
    Flags As ULong,   ' ULONGLONG
    DoorbellEvent As IntPtr   ' HANDLE
) As Integer
End Function

' requestor : void*
' BarIndex : HDV_PCI_BAR_SELECTOR
' BarOffset : ULONGLONG
' TriggerValue : ULONGLONG
' Flags : ULONGLONG
' DoorbellEvent : HANDLE
Declare PtrSafe Function HdvRegisterDoorbell Lib "vmdevicehost" ( _
    ByVal requestor As LongPtr, _
    ByVal BarIndex As Long, _
    ByVal BarOffset As LongLong, _
    ByVal TriggerValue As LongLong, _
    ByVal Flags As LongLong, _
    ByVal DoorbellEvent 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

HdvRegisterDoorbell = ctypes.windll.vmdevicehost.HdvRegisterDoorbell
HdvRegisterDoorbell.restype = ctypes.c_int
HdvRegisterDoorbell.argtypes = [
    ctypes.POINTER(None),  # requestor : void*
    ctypes.c_int,  # BarIndex : HDV_PCI_BAR_SELECTOR
    ctypes.c_ulonglong,  # BarOffset : ULONGLONG
    ctypes.c_ulonglong,  # TriggerValue : ULONGLONG
    ctypes.c_ulonglong,  # Flags : ULONGLONG
    wintypes.HANDLE,  # DoorbellEvent : HANDLE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('vmdevicehost.dll')
HdvRegisterDoorbell = Fiddle::Function.new(
  lib['HdvRegisterDoorbell'],
  [
    Fiddle::TYPE_VOIDP,  # requestor : void*
    Fiddle::TYPE_INT,  # BarIndex : HDV_PCI_BAR_SELECTOR
    -Fiddle::TYPE_LONG_LONG,  # BarOffset : ULONGLONG
    -Fiddle::TYPE_LONG_LONG,  # TriggerValue : ULONGLONG
    -Fiddle::TYPE_LONG_LONG,  # Flags : ULONGLONG
    Fiddle::TYPE_VOIDP,  # DoorbellEvent : HANDLE
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmdevicehost")]
extern "system" {
    fn HdvRegisterDoorbell(
        requestor: *mut (),  // void*
        BarIndex: i32,  // HDV_PCI_BAR_SELECTOR
        BarOffset: u64,  // ULONGLONG
        TriggerValue: u64,  // ULONGLONG
        Flags: u64,  // ULONGLONG
        DoorbellEvent: *mut core::ffi::c_void  // HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("vmdevicehost.dll")]
public static extern int HdvRegisterDoorbell(IntPtr requestor, int BarIndex, ulong BarOffset, ulong TriggerValue, ulong Flags, IntPtr DoorbellEvent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'vmdevicehost_HdvRegisterDoorbell' -Namespace Win32 -PassThru
# $api::HdvRegisterDoorbell(requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent)

#uselib "vmdevicehost.dll"
#func global HdvRegisterDoorbell "HdvRegisterDoorbell" sptr, sptr, sptr, sptr, sptr, sptr
; HdvRegisterDoorbell requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent   ; 戻り値は stat
; requestor : void* -> "sptr"
; BarIndex : HDV_PCI_BAR_SELECTOR -> "sptr"
; BarOffset : ULONGLONG -> "sptr"
; TriggerValue : ULONGLONG -> "sptr"
; Flags : ULONGLONG -> "sptr"
; DoorbellEvent : HANDLE -> "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 HdvRegisterDoorbell "HdvRegisterDoorbell" sptr, int, int64, int64, int64, sptr
; res = HdvRegisterDoorbell(requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent)
; requestor : void* -> "sptr"
; BarIndex : HDV_PCI_BAR_SELECTOR -> "int"
; BarOffset : ULONGLONG -> "int64"
; TriggerValue : ULONGLONG -> "int64"
; Flags : ULONGLONG -> "int64"
; DoorbellEvent : HANDLE -> "sptr"
; ※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 HdvRegisterDoorbell(void* requestor, HDV_PCI_BAR_SELECTOR BarIndex, ULONGLONG BarOffset, ULONGLONG TriggerValue, ULONGLONG Flags, HANDLE DoorbellEvent)
#uselib "vmdevicehost.dll"
#cfunc global HdvRegisterDoorbell "HdvRegisterDoorbell" intptr, int, int64, int64, int64, intptr
; res = HdvRegisterDoorbell(requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent)
; requestor : void* -> "intptr"
; BarIndex : HDV_PCI_BAR_SELECTOR -> "int"
; BarOffset : ULONGLONG -> "int64"
; TriggerValue : ULONGLONG -> "int64"
; Flags : ULONGLONG -> "int64"
; DoorbellEvent : HANDLE -> "intptr"

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

var (
	vmdevicehost = windows.NewLazySystemDLL("vmdevicehost.dll")
	procHdvRegisterDoorbell = vmdevicehost.NewProc("HdvRegisterDoorbell")
)

// requestor (void*), BarIndex (HDV_PCI_BAR_SELECTOR), BarOffset (ULONGLONG), TriggerValue (ULONGLONG), Flags (ULONGLONG), DoorbellEvent (HANDLE)
r1, _, err := procHdvRegisterDoorbell.Call(
	uintptr(requestor),
	uintptr(BarIndex),
	uintptr(BarOffset),
	uintptr(TriggerValue),
	uintptr(Flags),
	uintptr(DoorbellEvent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function HdvRegisterDoorbell(
  requestor: Pointer;   // void*
  BarIndex: Integer;   // HDV_PCI_BAR_SELECTOR
  BarOffset: UInt64;   // ULONGLONG
  TriggerValue: UInt64;   // ULONGLONG
  Flags: UInt64;   // ULONGLONG
  DoorbellEvent: THandle   // HANDLE
): Integer; stdcall;
  external 'vmdevicehost.dll' name 'HdvRegisterDoorbell';

result := DllCall("vmdevicehost\HdvRegisterDoorbell"
    , "Ptr", requestor   ; void*
    , "Int", BarIndex   ; HDV_PCI_BAR_SELECTOR
    , "Int64", BarOffset   ; ULONGLONG
    , "Int64", TriggerValue   ; ULONGLONG
    , "Int64", Flags   ; ULONGLONG
    , "Ptr", DoorbellEvent   ; HANDLE
    , "Int")   ; return: HRESULT

●HdvRegisterDoorbell(requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent) = DLL("vmdevicehost.dll", "int HdvRegisterDoorbell(void*, int, qword, qword, qword, void*)")
# 呼び出し: HdvRegisterDoorbell(requestor, BarIndex, BarOffset, TriggerValue, Flags, DoorbellEvent)
# requestor : void* -> "void*"
# BarIndex : HDV_PCI_BAR_SELECTOR -> "int"
# BarOffset : ULONGLONG -> "qword"
# TriggerValue : ULONGLONG -> "qword"
# Flags : ULONGLONG -> "qword"
# DoorbellEvent : HANDLE -> "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)。