Win32 API 日本語リファレンス
ホームStorage.IscsiDisc › SendScsiInquiry

SendScsiInquiry

関数
iSCSIセッション上でSCSI Inquiryコマンドを送信し応答を取得する。
DLLISCSIDSC.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD SendScsiInquiry(
    ISCSI_UNIQUE_SESSION_ID* UniqueSessionId,
    ULONGLONG Lun,
    BYTE EvpdCmddt,
    BYTE PageCode,
    BYTE* ScsiStatus,
    DWORD* ResponseSize,
    BYTE* ResponseBuffer,
    DWORD* SenseSize,
    BYTE* SenseBuffer
);

パラメーター

名前方向説明
UniqueSessionIdISCSI_UNIQUE_SESSION_ID*inoutINQUIRYを送る対象セッションを識別するISCSI_UNIQUE_SESSION_IDへのポインタ。
LunULONGLONGin対象論理ユニット番号(LUN)を指定する。
EvpdCmddtBYTEinINQUIRYコマンドのEVPD/CmdDtビットを指定するBYTE値。
PageCodeBYTEinEVPD有効時に要求するVPDページコードを指定するBYTE値。
ScsiStatusBYTE*inout返されたSCSIステータスを受け取るBYTEへのポインタ。
ResponseSizeDWORD*inout入力で応答バッファサイズ、出力で返却サイズを受け取るDWORDへのポインタ。
ResponseBufferBYTE*inoutINQUIRYデータを受け取るバッファへのポインタ。
SenseSizeDWORD*inout入力でセンスバッファサイズ、出力で返却サイズを受け取るDWORDへのポインタ。
SenseBufferBYTE*inoutエラー時のセンスデータを受け取るバッファへのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD SendScsiInquiry(
    ISCSI_UNIQUE_SESSION_ID* UniqueSessionId,
    ULONGLONG Lun,
    BYTE EvpdCmddt,
    BYTE PageCode,
    BYTE* ScsiStatus,
    DWORD* ResponseSize,
    BYTE* ResponseBuffer,
    DWORD* SenseSize,
    BYTE* SenseBuffer
);
[DllImport("ISCSIDSC.dll", ExactSpelling = true)]
static extern uint SendScsiInquiry(
    IntPtr UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
    ulong Lun,   // ULONGLONG
    byte EvpdCmddt,   // BYTE
    byte PageCode,   // BYTE
    IntPtr ScsiStatus,   // BYTE* in/out
    ref uint ResponseSize,   // DWORD* in/out
    IntPtr ResponseBuffer,   // BYTE* in/out
    ref uint SenseSize,   // DWORD* in/out
    IntPtr SenseBuffer   // BYTE* in/out
);
<DllImport("ISCSIDSC.dll", ExactSpelling:=True)>
Public Shared Function SendScsiInquiry(
    UniqueSessionId As IntPtr,   ' ISCSI_UNIQUE_SESSION_ID* in/out
    Lun As ULong,   ' ULONGLONG
    EvpdCmddt As Byte,   ' BYTE
    PageCode As Byte,   ' BYTE
    ScsiStatus As IntPtr,   ' BYTE* in/out
    ByRef ResponseSize As UInteger,   ' DWORD* in/out
    ResponseBuffer As IntPtr,   ' BYTE* in/out
    ByRef SenseSize As UInteger,   ' DWORD* in/out
    SenseBuffer As IntPtr   ' BYTE* in/out
) As UInteger
End Function
' UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
' Lun : ULONGLONG
' EvpdCmddt : BYTE
' PageCode : BYTE
' ScsiStatus : BYTE* in/out
' ResponseSize : DWORD* in/out
' ResponseBuffer : BYTE* in/out
' SenseSize : DWORD* in/out
' SenseBuffer : BYTE* in/out
Declare PtrSafe Function SendScsiInquiry Lib "iscsidsc" ( _
    ByVal UniqueSessionId As LongPtr, _
    ByVal Lun As LongLong, _
    ByVal EvpdCmddt As Byte, _
    ByVal PageCode As Byte, _
    ByVal ScsiStatus As LongPtr, _
    ByRef ResponseSize As Long, _
    ByVal ResponseBuffer As LongPtr, _
    ByRef SenseSize As Long, _
    ByVal SenseBuffer 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

SendScsiInquiry = ctypes.windll.iscsidsc.SendScsiInquiry
SendScsiInquiry.restype = wintypes.DWORD
SendScsiInquiry.argtypes = [
    ctypes.c_void_p,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    ctypes.c_ulonglong,  # Lun : ULONGLONG
    ctypes.c_ubyte,  # EvpdCmddt : BYTE
    ctypes.c_ubyte,  # PageCode : BYTE
    ctypes.POINTER(ctypes.c_ubyte),  # ScsiStatus : BYTE* in/out
    ctypes.POINTER(wintypes.DWORD),  # ResponseSize : DWORD* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # ResponseBuffer : BYTE* in/out
    ctypes.POINTER(wintypes.DWORD),  # SenseSize : DWORD* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # SenseBuffer : BYTE* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
SendScsiInquiry = Fiddle::Function.new(
  lib['SendScsiInquiry'],
  [
    Fiddle::TYPE_VOIDP,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    -Fiddle::TYPE_LONG_LONG,  # Lun : ULONGLONG
    -Fiddle::TYPE_CHAR,  # EvpdCmddt : BYTE
    -Fiddle::TYPE_CHAR,  # PageCode : BYTE
    Fiddle::TYPE_VOIDP,  # ScsiStatus : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # ResponseSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ResponseBuffer : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # SenseSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # SenseBuffer : BYTE* in/out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "iscsidsc")]
extern "system" {
    fn SendScsiInquiry(
        UniqueSessionId: *mut ISCSI_UNIQUE_SESSION_ID,  // ISCSI_UNIQUE_SESSION_ID* in/out
        Lun: u64,  // ULONGLONG
        EvpdCmddt: u8,  // BYTE
        PageCode: u8,  // BYTE
        ScsiStatus: *mut u8,  // BYTE* in/out
        ResponseSize: *mut u32,  // DWORD* in/out
        ResponseBuffer: *mut u8,  // BYTE* in/out
        SenseSize: *mut u32,  // DWORD* in/out
        SenseBuffer: *mut u8  // BYTE* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ISCSIDSC.dll")]
public static extern uint SendScsiInquiry(IntPtr UniqueSessionId, ulong Lun, byte EvpdCmddt, byte PageCode, IntPtr ScsiStatus, ref uint ResponseSize, IntPtr ResponseBuffer, ref uint SenseSize, IntPtr SenseBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_SendScsiInquiry' -Namespace Win32 -PassThru
# $api::SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
#uselib "ISCSIDSC.dll"
#func global SendScsiInquiry "SendScsiInquiry" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SendScsiInquiry varptr(UniqueSessionId), Lun, EvpdCmddt, PageCode, varptr(ScsiStatus), varptr(ResponseSize), varptr(ResponseBuffer), varptr(SenseSize), varptr(SenseBuffer)   ; 戻り値は stat
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "sptr"
; Lun : ULONGLONG -> "sptr"
; EvpdCmddt : BYTE -> "sptr"
; PageCode : BYTE -> "sptr"
; ScsiStatus : BYTE* in/out -> "sptr"
; ResponseSize : DWORD* in/out -> "sptr"
; ResponseBuffer : BYTE* in/out -> "sptr"
; SenseSize : DWORD* in/out -> "sptr"
; SenseBuffer : BYTE* in/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 "ISCSIDSC.dll"
#cfunc global SendScsiInquiry "SendScsiInquiry" var, int64, int, int, var, var, var, var, var
; res = SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "var"
; Lun : ULONGLONG -> "int64"
; EvpdCmddt : BYTE -> "int"
; PageCode : BYTE -> "int"
; ScsiStatus : BYTE* in/out -> "var"
; ResponseSize : DWORD* in/out -> "var"
; ResponseBuffer : BYTE* in/out -> "var"
; SenseSize : DWORD* in/out -> "var"
; SenseBuffer : BYTE* in/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:
; DWORD SendScsiInquiry(ISCSI_UNIQUE_SESSION_ID* UniqueSessionId, ULONGLONG Lun, BYTE EvpdCmddt, BYTE PageCode, BYTE* ScsiStatus, DWORD* ResponseSize, BYTE* ResponseBuffer, DWORD* SenseSize, BYTE* SenseBuffer)
#uselib "ISCSIDSC.dll"
#cfunc global SendScsiInquiry "SendScsiInquiry" var, int64, int, int, var, var, var, var, var
; res = SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "var"
; Lun : ULONGLONG -> "int64"
; EvpdCmddt : BYTE -> "int"
; PageCode : BYTE -> "int"
; ScsiStatus : BYTE* in/out -> "var"
; ResponseSize : DWORD* in/out -> "var"
; ResponseBuffer : BYTE* in/out -> "var"
; SenseSize : DWORD* in/out -> "var"
; SenseBuffer : BYTE* in/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 (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procSendScsiInquiry = iscsidsc.NewProc("SendScsiInquiry")
)

// UniqueSessionId (ISCSI_UNIQUE_SESSION_ID* in/out), Lun (ULONGLONG), EvpdCmddt (BYTE), PageCode (BYTE), ScsiStatus (BYTE* in/out), ResponseSize (DWORD* in/out), ResponseBuffer (BYTE* in/out), SenseSize (DWORD* in/out), SenseBuffer (BYTE* in/out)
r1, _, err := procSendScsiInquiry.Call(
	uintptr(UniqueSessionId),
	uintptr(Lun),
	uintptr(EvpdCmddt),
	uintptr(PageCode),
	uintptr(ScsiStatus),
	uintptr(ResponseSize),
	uintptr(ResponseBuffer),
	uintptr(SenseSize),
	uintptr(SenseBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function SendScsiInquiry(
  UniqueSessionId: Pointer;   // ISCSI_UNIQUE_SESSION_ID* in/out
  Lun: UInt64;   // ULONGLONG
  EvpdCmddt: Byte;   // BYTE
  PageCode: Byte;   // BYTE
  ScsiStatus: Pointer;   // BYTE* in/out
  ResponseSize: Pointer;   // DWORD* in/out
  ResponseBuffer: Pointer;   // BYTE* in/out
  SenseSize: Pointer;   // DWORD* in/out
  SenseBuffer: Pointer   // BYTE* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'SendScsiInquiry';
result := DllCall("ISCSIDSC\SendScsiInquiry"
    , "Ptr", UniqueSessionId   ; ISCSI_UNIQUE_SESSION_ID* in/out
    , "Int64", Lun   ; ULONGLONG
    , "UChar", EvpdCmddt   ; BYTE
    , "UChar", PageCode   ; BYTE
    , "Ptr", ScsiStatus   ; BYTE* in/out
    , "Ptr", ResponseSize   ; DWORD* in/out
    , "Ptr", ResponseBuffer   ; BYTE* in/out
    , "Ptr", SenseSize   ; DWORD* in/out
    , "Ptr", SenseBuffer   ; BYTE* in/out
    , "UInt")   ; return: DWORD
●SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer) = DLL("ISCSIDSC.dll", "dword SendScsiInquiry(void*, qword, byte, byte, void*, void*, void*, void*, void*)")
# 呼び出し: SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "void*"
# Lun : ULONGLONG -> "qword"
# EvpdCmddt : BYTE -> "byte"
# PageCode : BYTE -> "byte"
# ScsiStatus : BYTE* in/out -> "void*"
# ResponseSize : DWORD* in/out -> "void*"
# ResponseBuffer : BYTE* in/out -> "void*"
# SenseSize : DWORD* in/out -> "void*"
# SenseBuffer : BYTE* in/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 "iscsidsc" fn SendScsiInquiry(
    UniqueSessionId: [*c]ISCSI_UNIQUE_SESSION_ID, // ISCSI_UNIQUE_SESSION_ID* in/out
    Lun: u64, // ULONGLONG
    EvpdCmddt: u8, // BYTE
    PageCode: u8, // BYTE
    ScsiStatus: [*c]u8, // BYTE* in/out
    ResponseSize: [*c]u32, // DWORD* in/out
    ResponseBuffer: [*c]u8, // BYTE* in/out
    SenseSize: [*c]u32, // DWORD* in/out
    SenseBuffer: [*c]u8 // BYTE* in/out
) callconv(std.os.windows.WINAPI) u32;
proc SendScsiInquiry(
    UniqueSessionId: ptr ISCSI_UNIQUE_SESSION_ID,  # ISCSI_UNIQUE_SESSION_ID* in/out
    Lun: uint64,  # ULONGLONG
    EvpdCmddt: uint8,  # BYTE
    PageCode: uint8,  # BYTE
    ScsiStatus: ptr uint8,  # BYTE* in/out
    ResponseSize: ptr uint32,  # DWORD* in/out
    ResponseBuffer: ptr uint8,  # BYTE* in/out
    SenseSize: ptr uint32,  # DWORD* in/out
    SenseBuffer: ptr uint8  # BYTE* in/out
): uint32 {.importc: "SendScsiInquiry", stdcall, dynlib: "ISCSIDSC.dll".}
pragma(lib, "iscsidsc");
extern(Windows)
uint SendScsiInquiry(
    ISCSI_UNIQUE_SESSION_ID* UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
    ulong Lun,   // ULONGLONG
    ubyte EvpdCmddt,   // BYTE
    ubyte PageCode,   // BYTE
    ubyte* ScsiStatus,   // BYTE* in/out
    uint* ResponseSize,   // DWORD* in/out
    ubyte* ResponseBuffer,   // BYTE* in/out
    uint* SenseSize,   // DWORD* in/out
    ubyte* SenseBuffer   // BYTE* in/out
);
ccall((:SendScsiInquiry, "ISCSIDSC.dll"), stdcall, UInt32,
      (Ptr{ISCSI_UNIQUE_SESSION_ID}, UInt64, UInt8, UInt8, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}),
      UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Ptr{ISCSI_UNIQUE_SESSION_ID}
# Lun : ULONGLONG -> UInt64
# EvpdCmddt : BYTE -> UInt8
# PageCode : BYTE -> UInt8
# ScsiStatus : BYTE* in/out -> Ptr{UInt8}
# ResponseSize : DWORD* in/out -> Ptr{UInt32}
# ResponseBuffer : BYTE* in/out -> Ptr{UInt8}
# SenseSize : DWORD* in/out -> Ptr{UInt32}
# SenseBuffer : BYTE* in/out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t SendScsiInquiry(
    void* UniqueSessionId,
    uint64_t Lun,
    uint8_t EvpdCmddt,
    uint8_t PageCode,
    uint8_t* ScsiStatus,
    uint32_t* ResponseSize,
    uint8_t* ResponseBuffer,
    uint32_t* SenseSize,
    uint8_t* SenseBuffer);
]]
local iscsidsc = ffi.load("iscsidsc")
-- iscsidsc.SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
-- UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
-- Lun : ULONGLONG
-- EvpdCmddt : BYTE
-- PageCode : BYTE
-- ScsiStatus : BYTE* in/out
-- ResponseSize : DWORD* in/out
-- ResponseBuffer : BYTE* in/out
-- SenseSize : DWORD* in/out
-- SenseBuffer : BYTE* in/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('ISCSIDSC.dll');
const SendScsiInquiry = lib.func('__stdcall', 'SendScsiInquiry', 'uint32_t', ['void *', 'uint64_t', 'uint8_t', 'uint8_t', 'uint8_t *', 'uint32_t *', 'uint8_t *', 'uint32_t *', 'uint8_t *']);
// SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> 'void *'
// Lun : ULONGLONG -> 'uint64_t'
// EvpdCmddt : BYTE -> 'uint8_t'
// PageCode : BYTE -> 'uint8_t'
// ScsiStatus : BYTE* in/out -> 'uint8_t *'
// ResponseSize : DWORD* in/out -> 'uint32_t *'
// ResponseBuffer : BYTE* in/out -> 'uint8_t *'
// SenseSize : DWORD* in/out -> 'uint32_t *'
// SenseBuffer : BYTE* in/out -> 'uint8_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("ISCSIDSC.dll", {
  SendScsiInquiry: { parameters: ["pointer", "u64", "u8", "u8", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "pointer"
// Lun : ULONGLONG -> "u64"
// EvpdCmddt : BYTE -> "u8"
// PageCode : BYTE -> "u8"
// ScsiStatus : BYTE* in/out -> "pointer"
// ResponseSize : DWORD* in/out -> "pointer"
// ResponseBuffer : BYTE* in/out -> "pointer"
// SenseSize : DWORD* in/out -> "pointer"
// SenseBuffer : BYTE* in/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
uint32_t SendScsiInquiry(
    void* UniqueSessionId,
    uint64_t Lun,
    uint8_t EvpdCmddt,
    uint8_t PageCode,
    uint8_t* ScsiStatus,
    uint32_t* ResponseSize,
    uint8_t* ResponseBuffer,
    uint32_t* SenseSize,
    uint8_t* SenseBuffer);
C, "ISCSIDSC.dll");
// $ffi->SendScsiInquiry(UniqueSessionId, Lun, EvpdCmddt, PageCode, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer);
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
// Lun : ULONGLONG
// EvpdCmddt : BYTE
// PageCode : BYTE
// ScsiStatus : BYTE* in/out
// ResponseSize : DWORD* in/out
// ResponseBuffer : BYTE* in/out
// SenseSize : DWORD* in/out
// SenseBuffer : BYTE* in/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 Iscsidsc extends StdCallLibrary {
    Iscsidsc INSTANCE = Native.load("iscsidsc", Iscsidsc.class);
    int SendScsiInquiry(
        Pointer UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
        long Lun,   // ULONGLONG
        byte EvpdCmddt,   // BYTE
        byte PageCode,   // BYTE
        byte[] ScsiStatus,   // BYTE* in/out
        IntByReference ResponseSize,   // DWORD* in/out
        byte[] ResponseBuffer,   // BYTE* in/out
        IntByReference SenseSize,   // DWORD* in/out
        byte[] SenseBuffer   // BYTE* in/out
    );
}
@[Link("iscsidsc")]
lib LibISCSIDSC
  fun SendScsiInquiry = SendScsiInquiry(
    UniqueSessionId : ISCSI_UNIQUE_SESSION_ID*,   # ISCSI_UNIQUE_SESSION_ID* in/out
    Lun : UInt64,   # ULONGLONG
    EvpdCmddt : UInt8,   # BYTE
    PageCode : UInt8,   # BYTE
    ScsiStatus : UInt8*,   # BYTE* in/out
    ResponseSize : UInt32*,   # DWORD* in/out
    ResponseBuffer : UInt8*,   # BYTE* in/out
    SenseSize : UInt32*,   # DWORD* in/out
    SenseBuffer : UInt8*   # BYTE* in/out
  ) : UInt32
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 SendScsiInquiryNative = Uint32 Function(Pointer<Void>, Uint64, Uint8, Uint8, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>);
typedef SendScsiInquiryDart = int Function(Pointer<Void>, int, int, int, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>);
final SendScsiInquiry = DynamicLibrary.open('ISCSIDSC.dll')
    .lookupFunction<SendScsiInquiryNative, SendScsiInquiryDart>('SendScsiInquiry');
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Pointer<Void>
// Lun : ULONGLONG -> Uint64
// EvpdCmddt : BYTE -> Uint8
// PageCode : BYTE -> Uint8
// ScsiStatus : BYTE* in/out -> Pointer<Uint8>
// ResponseSize : DWORD* in/out -> Pointer<Uint32>
// ResponseBuffer : BYTE* in/out -> Pointer<Uint8>
// SenseSize : DWORD* in/out -> Pointer<Uint32>
// SenseBuffer : BYTE* in/out -> Pointer<Uint8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SendScsiInquiry(
  UniqueSessionId: Pointer;   // ISCSI_UNIQUE_SESSION_ID* in/out
  Lun: UInt64;   // ULONGLONG
  EvpdCmddt: Byte;   // BYTE
  PageCode: Byte;   // BYTE
  ScsiStatus: Pointer;   // BYTE* in/out
  ResponseSize: Pointer;   // DWORD* in/out
  ResponseBuffer: Pointer;   // BYTE* in/out
  SenseSize: Pointer;   // DWORD* in/out
  SenseBuffer: Pointer   // BYTE* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'SendScsiInquiry';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SendScsiInquiry"
  c_SendScsiInquiry :: Ptr () -> Word64 -> Word8 -> Word8 -> Ptr Word8 -> Ptr Word32 -> Ptr Word8 -> Ptr Word32 -> Ptr Word8 -> IO Word32
-- UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Ptr ()
-- Lun : ULONGLONG -> Word64
-- EvpdCmddt : BYTE -> Word8
-- PageCode : BYTE -> Word8
-- ScsiStatus : BYTE* in/out -> Ptr Word8
-- ResponseSize : DWORD* in/out -> Ptr Word32
-- ResponseBuffer : BYTE* in/out -> Ptr Word8
-- SenseSize : DWORD* in/out -> Ptr Word32
-- SenseBuffer : BYTE* in/out -> Ptr Word8
-- 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 sendscsiinquiry =
  foreign "SendScsiInquiry"
    ((ptr void) @-> uint64_t @-> uint8_t @-> uint8_t @-> (ptr uint8_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> returning uint32_t)
(* UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> (ptr void) *)
(* Lun : ULONGLONG -> uint64_t *)
(* EvpdCmddt : BYTE -> uint8_t *)
(* PageCode : BYTE -> uint8_t *)
(* ScsiStatus : BYTE* in/out -> (ptr uint8_t) *)
(* ResponseSize : DWORD* in/out -> (ptr uint32_t) *)
(* ResponseBuffer : BYTE* in/out -> (ptr uint8_t) *)
(* SenseSize : DWORD* in/out -> (ptr uint32_t) *)
(* SenseBuffer : BYTE* in/out -> (ptr uint8_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 iscsidsc (t "ISCSIDSC.dll"))
(cffi:use-foreign-library iscsidsc)

(cffi:defcfun ("SendScsiInquiry" send-scsi-inquiry :convention :stdcall) :uint32
  (unique-session-id :pointer)   ; ISCSI_UNIQUE_SESSION_ID* in/out
  (lun :uint64)   ; ULONGLONG
  (evpd-cmddt :uint8)   ; BYTE
  (page-code :uint8)   ; BYTE
  (scsi-status :pointer)   ; BYTE* in/out
  (response-size :pointer)   ; DWORD* in/out
  (response-buffer :pointer)   ; BYTE* in/out
  (sense-size :pointer)   ; DWORD* in/out
  (sense-buffer :pointer))   ; BYTE* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SendScsiInquiry = Win32::API::More->new('ISCSIDSC',
    'DWORD SendScsiInquiry(LPVOID UniqueSessionId, UINT64 Lun, BYTE EvpdCmddt, BYTE PageCode, LPVOID ScsiStatus, LPVOID ResponseSize, LPVOID ResponseBuffer, LPVOID SenseSize, LPVOID SenseBuffer)');
# my $ret = $SendScsiInquiry->Call($UniqueSessionId, $Lun, $EvpdCmddt, $PageCode, $ScsiStatus, $ResponseSize, $ResponseBuffer, $SenseSize, $SenseBuffer);
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> LPVOID
# Lun : ULONGLONG -> UINT64
# EvpdCmddt : BYTE -> BYTE
# PageCode : BYTE -> BYTE
# ScsiStatus : BYTE* in/out -> LPVOID
# ResponseSize : DWORD* in/out -> LPVOID
# ResponseBuffer : BYTE* in/out -> LPVOID
# SenseSize : DWORD* in/out -> LPVOID
# SenseBuffer : BYTE* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

使用する型