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WHvMapVpciDeviceMmioRanges

関数
仮想PCIデバイスのMMIO範囲をマップする。
DLLWinHvPlatform.dll呼出規約winapi

シグネチャ

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

HRESULT WHvMapVpciDeviceMmioRanges(
    WHV_PARTITION_HANDLE Partition,
    ULONGLONG LogicalDeviceId,
    DWORD* MappingCount,
    WHV_VPCI_MMIO_MAPPING** Mappings
);

パラメーター

名前方向
PartitionWHV_PARTITION_HANDLEin
LogicalDeviceIdULONGLONGin
MappingCountDWORD*out
MappingsWHV_VPCI_MMIO_MAPPING**out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WHvMapVpciDeviceMmioRanges(
    WHV_PARTITION_HANDLE Partition,
    ULONGLONG LogicalDeviceId,
    DWORD* MappingCount,
    WHV_VPCI_MMIO_MAPPING** Mappings
);
[DllImport("WinHvPlatform.dll", ExactSpelling = true)]
static extern int WHvMapVpciDeviceMmioRanges(
    IntPtr Partition,   // WHV_PARTITION_HANDLE
    ulong LogicalDeviceId,   // ULONGLONG
    out uint MappingCount,   // DWORD* out
    IntPtr Mappings   // WHV_VPCI_MMIO_MAPPING** out
);
<DllImport("WinHvPlatform.dll", ExactSpelling:=True)>
Public Shared Function WHvMapVpciDeviceMmioRanges(
    Partition As IntPtr,   ' WHV_PARTITION_HANDLE
    LogicalDeviceId As ULong,   ' ULONGLONG
    <Out> ByRef MappingCount As UInteger,   ' DWORD* out
    Mappings As IntPtr   ' WHV_VPCI_MMIO_MAPPING** out
) As Integer
End Function
' Partition : WHV_PARTITION_HANDLE
' LogicalDeviceId : ULONGLONG
' MappingCount : DWORD* out
' Mappings : WHV_VPCI_MMIO_MAPPING** out
Declare PtrSafe Function WHvMapVpciDeviceMmioRanges Lib "winhvplatform" ( _
    ByVal Partition As LongPtr, _
    ByVal LogicalDeviceId As LongLong, _
    ByRef MappingCount As Long, _
    ByVal Mappings 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

WHvMapVpciDeviceMmioRanges = ctypes.windll.winhvplatform.WHvMapVpciDeviceMmioRanges
WHvMapVpciDeviceMmioRanges.restype = ctypes.c_int
WHvMapVpciDeviceMmioRanges.argtypes = [
    ctypes.c_ssize_t,  # Partition : WHV_PARTITION_HANDLE
    ctypes.c_ulonglong,  # LogicalDeviceId : ULONGLONG
    ctypes.POINTER(wintypes.DWORD),  # MappingCount : DWORD* out
    ctypes.c_void_p,  # Mappings : WHV_VPCI_MMIO_MAPPING** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinHvPlatform.dll')
WHvMapVpciDeviceMmioRanges = Fiddle::Function.new(
  lib['WHvMapVpciDeviceMmioRanges'],
  [
    Fiddle::TYPE_INTPTR_T,  # Partition : WHV_PARTITION_HANDLE
    -Fiddle::TYPE_LONG_LONG,  # LogicalDeviceId : ULONGLONG
    Fiddle::TYPE_VOIDP,  # MappingCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # Mappings : WHV_VPCI_MMIO_MAPPING** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winhvplatform")]
extern "system" {
    fn WHvMapVpciDeviceMmioRanges(
        Partition: isize,  // WHV_PARTITION_HANDLE
        LogicalDeviceId: u64,  // ULONGLONG
        MappingCount: *mut u32,  // DWORD* out
        Mappings: *mut *mut WHV_VPCI_MMIO_MAPPING  // WHV_VPCI_MMIO_MAPPING** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WinHvPlatform.dll")]
public static extern int WHvMapVpciDeviceMmioRanges(IntPtr Partition, ulong LogicalDeviceId, out uint MappingCount, IntPtr Mappings);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinHvPlatform_WHvMapVpciDeviceMmioRanges' -Namespace Win32 -PassThru
# $api::WHvMapVpciDeviceMmioRanges(Partition, LogicalDeviceId, MappingCount, Mappings)
#uselib "WinHvPlatform.dll"
#func global WHvMapVpciDeviceMmioRanges "WHvMapVpciDeviceMmioRanges" sptr, sptr, sptr, sptr
; WHvMapVpciDeviceMmioRanges Partition, LogicalDeviceId, varptr(MappingCount), varptr(Mappings)   ; 戻り値は stat
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; LogicalDeviceId : ULONGLONG -> "sptr"
; MappingCount : DWORD* out -> "sptr"
; Mappings : WHV_VPCI_MMIO_MAPPING** out -> "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。
出力引数:
#uselib "WinHvPlatform.dll"
#cfunc global WHvMapVpciDeviceMmioRanges "WHvMapVpciDeviceMmioRanges" sptr, int64, var, var
; res = WHvMapVpciDeviceMmioRanges(Partition, LogicalDeviceId, MappingCount, Mappings)
; Partition : WHV_PARTITION_HANDLE -> "sptr"
; LogicalDeviceId : ULONGLONG -> "int64"
; MappingCount : DWORD* out -> "var"
; Mappings : WHV_VPCI_MMIO_MAPPING** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
; ※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)。
出力引数:
; HRESULT WHvMapVpciDeviceMmioRanges(WHV_PARTITION_HANDLE Partition, ULONGLONG LogicalDeviceId, DWORD* MappingCount, WHV_VPCI_MMIO_MAPPING** Mappings)
#uselib "WinHvPlatform.dll"
#cfunc global WHvMapVpciDeviceMmioRanges "WHvMapVpciDeviceMmioRanges" intptr, int64, var, var
; res = WHvMapVpciDeviceMmioRanges(Partition, LogicalDeviceId, MappingCount, Mappings)
; Partition : WHV_PARTITION_HANDLE -> "intptr"
; LogicalDeviceId : ULONGLONG -> "int64"
; MappingCount : DWORD* out -> "var"
; Mappings : WHV_VPCI_MMIO_MAPPING** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winhvplatform = windows.NewLazySystemDLL("WinHvPlatform.dll")
	procWHvMapVpciDeviceMmioRanges = winhvplatform.NewProc("WHvMapVpciDeviceMmioRanges")
)

// Partition (WHV_PARTITION_HANDLE), LogicalDeviceId (ULONGLONG), MappingCount (DWORD* out), Mappings (WHV_VPCI_MMIO_MAPPING** out)
r1, _, err := procWHvMapVpciDeviceMmioRanges.Call(
	uintptr(Partition),
	uintptr(LogicalDeviceId),
	uintptr(MappingCount),
	uintptr(Mappings),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WHvMapVpciDeviceMmioRanges(
  Partition: NativeInt;   // WHV_PARTITION_HANDLE
  LogicalDeviceId: UInt64;   // ULONGLONG
  MappingCount: Pointer;   // DWORD* out
  Mappings: Pointer   // WHV_VPCI_MMIO_MAPPING** out
): Integer; stdcall;
  external 'WinHvPlatform.dll' name 'WHvMapVpciDeviceMmioRanges';
result := DllCall("WinHvPlatform\WHvMapVpciDeviceMmioRanges"
    , "Ptr", Partition   ; WHV_PARTITION_HANDLE
    , "Int64", LogicalDeviceId   ; ULONGLONG
    , "Ptr", MappingCount   ; DWORD* out
    , "Ptr", Mappings   ; WHV_VPCI_MMIO_MAPPING** out
    , "Int")   ; return: HRESULT
●WHvMapVpciDeviceMmioRanges(Partition, LogicalDeviceId, MappingCount, Mappings) = DLL("WinHvPlatform.dll", "int WHvMapVpciDeviceMmioRanges(int, qword, void*, void*)")
# 呼び出し: WHvMapVpciDeviceMmioRanges(Partition, LogicalDeviceId, MappingCount, Mappings)
# Partition : WHV_PARTITION_HANDLE -> "int"
# LogicalDeviceId : ULONGLONG -> "qword"
# MappingCount : DWORD* out -> "void*"
# Mappings : WHV_VPCI_MMIO_MAPPING** 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)。