LoginIScsiTargetW

// ISCSIDSC.dll  (Unicode / -W)
#include <windows.h>

DWORD LoginIScsiTargetW(
    LPWSTR TargetName,
    BOOLEAN IsInformationalSession,
    LPWSTR InitiatorInstance,   // optional
    DWORD InitiatorPortNumber,
    ISCSI_TARGET_PORTALW* TargetPortal,
    ULONGLONG SecurityFlags,
    ISCSI_TARGET_MAPPINGW* Mappings,
    ISCSI_LOGIN_OPTIONS* LoginOptions,
    DWORD KeySize,
    LPSTR Key,   // optional
    BOOLEAN IsPersistent,
    ISCSI_UNIQUE_SESSION_ID* UniqueSessionId,
    ISCSI_UNIQUE_SESSION_ID* UniqueConnectionId
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function LoginIScsiTargetW(
    <MarshalAs(UnmanagedType.LPWStr)> TargetName As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.U1)> IsInformationalSession As Boolean,   ' BOOLEAN
    <MarshalAs(UnmanagedType.LPWStr)> InitiatorInstance As String,   ' LPWSTR optional
    InitiatorPortNumber As UInteger,   ' DWORD
    TargetPortal As IntPtr,   ' ISCSI_TARGET_PORTALW* in/out
    SecurityFlags As ULong,   ' ULONGLONG
    Mappings As IntPtr,   ' ISCSI_TARGET_MAPPINGW* in/out
    LoginOptions As IntPtr,   ' ISCSI_LOGIN_OPTIONS* in/out
    KeySize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> Key As String,   ' LPSTR optional
    <MarshalAs(UnmanagedType.U1)> IsPersistent As Boolean,   ' BOOLEAN
    UniqueSessionId As IntPtr,   ' ISCSI_UNIQUE_SESSION_ID* in/out
    UniqueConnectionId As IntPtr   ' ISCSI_UNIQUE_SESSION_ID* in/out
) As UInteger
End Function

' TargetName : LPWSTR
' IsInformationalSession : BOOLEAN
' InitiatorInstance : LPWSTR optional
' InitiatorPortNumber : DWORD
' TargetPortal : ISCSI_TARGET_PORTALW* in/out
' SecurityFlags : ULONGLONG
' Mappings : ISCSI_TARGET_MAPPINGW* in/out
' LoginOptions : ISCSI_LOGIN_OPTIONS* in/out
' KeySize : DWORD
' Key : LPSTR optional
' IsPersistent : BOOLEAN
' UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
' UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out
Declare PtrSafe Function LoginIScsiTargetW Lib "iscsidsc" ( _
    ByVal TargetName As LongPtr, _
    ByVal IsInformationalSession As Byte, _
    ByVal InitiatorInstance As LongPtr, _
    ByVal InitiatorPortNumber As Long, _
    ByVal TargetPortal As LongPtr, _
    ByVal SecurityFlags As LongLong, _
    ByVal Mappings As LongPtr, _
    ByVal LoginOptions As LongPtr, _
    ByVal KeySize As Long, _
    ByVal Key As String, _
    ByVal IsPersistent As Byte, _
    ByVal UniqueSessionId As LongPtr, _
    ByVal UniqueConnectionId As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LoginIScsiTargetW = ctypes.windll.iscsidsc.LoginIScsiTargetW
LoginIScsiTargetW.restype = wintypes.DWORD
LoginIScsiTargetW.argtypes = [
    wintypes.LPCWSTR,  # TargetName : LPWSTR
    wintypes.BOOLEAN,  # IsInformationalSession : BOOLEAN
    wintypes.LPCWSTR,  # InitiatorInstance : LPWSTR optional
    wintypes.DWORD,  # InitiatorPortNumber : DWORD
    ctypes.c_void_p,  # TargetPortal : ISCSI_TARGET_PORTALW* in/out
    ctypes.c_ulonglong,  # SecurityFlags : ULONGLONG
    ctypes.c_void_p,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
    ctypes.c_void_p,  # LoginOptions : ISCSI_LOGIN_OPTIONS* in/out
    wintypes.DWORD,  # KeySize : DWORD
    wintypes.LPCSTR,  # Key : LPSTR optional
    wintypes.BOOLEAN,  # IsPersistent : BOOLEAN
    ctypes.c_void_p,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    ctypes.c_void_p,  # UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
LoginIScsiTargetW = Fiddle::Function.new(
  lib['LoginIScsiTargetW'],
  [
    Fiddle::TYPE_VOIDP,  # TargetName : LPWSTR
    Fiddle::TYPE_CHAR,  # IsInformationalSession : BOOLEAN
    Fiddle::TYPE_VOIDP,  # InitiatorInstance : LPWSTR optional
    -Fiddle::TYPE_INT,  # InitiatorPortNumber : DWORD
    Fiddle::TYPE_VOIDP,  # TargetPortal : ISCSI_TARGET_PORTALW* in/out
    -Fiddle::TYPE_LONG_LONG,  # SecurityFlags : ULONGLONG
    Fiddle::TYPE_VOIDP,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
    Fiddle::TYPE_VOIDP,  # LoginOptions : ISCSI_LOGIN_OPTIONS* in/out
    -Fiddle::TYPE_INT,  # KeySize : DWORD
    Fiddle::TYPE_VOIDP,  # Key : LPSTR optional
    Fiddle::TYPE_CHAR,  # IsPersistent : BOOLEAN
    Fiddle::TYPE_VOIDP,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    Fiddle::TYPE_VOIDP,  # UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "iscsidsc")]
extern "system" {
    fn LoginIScsiTargetW(
        TargetName: *mut u16,  // LPWSTR
        IsInformationalSession: u8,  // BOOLEAN
        InitiatorInstance: *mut u16,  // LPWSTR optional
        InitiatorPortNumber: u32,  // DWORD
        TargetPortal: *mut ISCSI_TARGET_PORTALW,  // ISCSI_TARGET_PORTALW* in/out
        SecurityFlags: u64,  // ULONGLONG
        Mappings: *mut ISCSI_TARGET_MAPPINGW,  // ISCSI_TARGET_MAPPINGW* in/out
        LoginOptions: *mut ISCSI_LOGIN_OPTIONS,  // ISCSI_LOGIN_OPTIONS* in/out
        KeySize: u32,  // DWORD
        Key: *mut u8,  // LPSTR optional
        IsPersistent: u8,  // BOOLEAN
        UniqueSessionId: *mut ISCSI_UNIQUE_SESSION_ID,  // ISCSI_UNIQUE_SESSION_ID* in/out
        UniqueConnectionId: *mut ISCSI_UNIQUE_SESSION_ID  // ISCSI_UNIQUE_SESSION_ID* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Unicode)]
public static extern uint LoginIScsiTargetW([MarshalAs(UnmanagedType.LPWStr)] string TargetName, [MarshalAs(UnmanagedType.U1)] bool IsInformationalSession, [MarshalAs(UnmanagedType.LPWStr)] string InitiatorInstance, uint InitiatorPortNumber, IntPtr TargetPortal, ulong SecurityFlags, IntPtr Mappings, IntPtr LoginOptions, uint KeySize, [MarshalAs(UnmanagedType.LPStr)] string Key, [MarshalAs(UnmanagedType.U1)] bool IsPersistent, IntPtr UniqueSessionId, IntPtr UniqueConnectionId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_LoginIScsiTargetW' -Namespace Win32 -PassThru
# $api::LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)

#uselib "ISCSIDSC.dll"
#func global LoginIScsiTargetW "LoginIScsiTargetW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; LoginIScsiTargetW TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, varptr(TargetPortal), SecurityFlags, varptr(Mappings), varptr(LoginOptions), KeySize, Key, IsPersistent, varptr(UniqueSessionId), varptr(UniqueConnectionId)   ; 戻り値は stat
; TargetName : LPWSTR -> "wptr"
; IsInformationalSession : BOOLEAN -> "wptr"
; InitiatorInstance : LPWSTR optional -> "wptr"
; InitiatorPortNumber : DWORD -> "wptr"
; TargetPortal : ISCSI_TARGET_PORTALW* in/out -> "wptr"
; SecurityFlags : ULONGLONG -> "wptr"
; Mappings : ISCSI_TARGET_MAPPINGW* in/out -> "wptr"
; LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> "wptr"
; KeySize : DWORD -> "wptr"
; Key : LPSTR optional -> "wptr"
; IsPersistent : BOOLEAN -> "wptr"
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "wptr"
; UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "wptr"
; ※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。

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

var (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procLoginIScsiTargetW = iscsidsc.NewProc("LoginIScsiTargetW")
)

// TargetName (LPWSTR), IsInformationalSession (BOOLEAN), InitiatorInstance (LPWSTR optional), InitiatorPortNumber (DWORD), TargetPortal (ISCSI_TARGET_PORTALW* in/out), SecurityFlags (ULONGLONG), Mappings (ISCSI_TARGET_MAPPINGW* in/out), LoginOptions (ISCSI_LOGIN_OPTIONS* in/out), KeySize (DWORD), Key (LPSTR optional), IsPersistent (BOOLEAN), UniqueSessionId (ISCSI_UNIQUE_SESSION_ID* in/out), UniqueConnectionId (ISCSI_UNIQUE_SESSION_ID* in/out)
r1, _, err := procLoginIScsiTargetW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TargetName))),
	uintptr(IsInformationalSession),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(InitiatorInstance))),
	uintptr(InitiatorPortNumber),
	uintptr(TargetPortal),
	uintptr(SecurityFlags),
	uintptr(Mappings),
	uintptr(LoginOptions),
	uintptr(KeySize),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(Key))),
	uintptr(IsPersistent),
	uintptr(UniqueSessionId),
	uintptr(UniqueConnectionId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function LoginIScsiTargetW(
  TargetName: PWideChar;   // LPWSTR
  IsInformationalSession: ByteBool;   // BOOLEAN
  InitiatorInstance: PWideChar;   // LPWSTR optional
  InitiatorPortNumber: DWORD;   // DWORD
  TargetPortal: Pointer;   // ISCSI_TARGET_PORTALW* in/out
  SecurityFlags: UInt64;   // ULONGLONG
  Mappings: Pointer;   // ISCSI_TARGET_MAPPINGW* in/out
  LoginOptions: Pointer;   // ISCSI_LOGIN_OPTIONS* in/out
  KeySize: DWORD;   // DWORD
  Key: PAnsiChar;   // LPSTR optional
  IsPersistent: ByteBool;   // BOOLEAN
  UniqueSessionId: Pointer;   // ISCSI_UNIQUE_SESSION_ID* in/out
  UniqueConnectionId: Pointer   // ISCSI_UNIQUE_SESSION_ID* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'LoginIScsiTargetW';

result := DllCall("ISCSIDSC\LoginIScsiTargetW"
    , "WStr", TargetName   ; LPWSTR
    , "Char", IsInformationalSession   ; BOOLEAN
    , "WStr", InitiatorInstance   ; LPWSTR optional
    , "UInt", InitiatorPortNumber   ; DWORD
    , "Ptr", TargetPortal   ; ISCSI_TARGET_PORTALW* in/out
    , "Int64", SecurityFlags   ; ULONGLONG
    , "Ptr", Mappings   ; ISCSI_TARGET_MAPPINGW* in/out
    , "Ptr", LoginOptions   ; ISCSI_LOGIN_OPTIONS* in/out
    , "UInt", KeySize   ; DWORD
    , "AStr", Key   ; LPSTR optional
    , "Char", IsPersistent   ; BOOLEAN
    , "Ptr", UniqueSessionId   ; ISCSI_UNIQUE_SESSION_ID* in/out
    , "Ptr", UniqueConnectionId   ; ISCSI_UNIQUE_SESSION_ID* in/out
    , "UInt")   ; return: DWORD

●LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId) = DLL("ISCSIDSC.dll", "dword LoginIScsiTargetW(char*, byte, char*, dword, void*, qword, void*, void*, dword, char*, byte, void*, void*)")
# 呼び出し: LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)
# TargetName : LPWSTR -> "char*"
# IsInformationalSession : BOOLEAN -> "byte"
# InitiatorInstance : LPWSTR optional -> "char*"
# InitiatorPortNumber : DWORD -> "dword"
# TargetPortal : ISCSI_TARGET_PORTALW* in/out -> "void*"
# SecurityFlags : ULONGLONG -> "qword"
# Mappings : ISCSI_TARGET_MAPPINGW* in/out -> "void*"
# LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> "void*"
# KeySize : DWORD -> "dword"
# Key : LPSTR optional -> "char*"
# IsPersistent : BOOLEAN -> "byte"
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "void*"
# UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "iscsidsc" fn LoginIScsiTargetW(
    TargetName: [*c]const u16, // LPWSTR
    IsInformationalSession: u8, // BOOLEAN
    InitiatorInstance: [*c]const u16, // LPWSTR optional
    InitiatorPortNumber: u32, // DWORD
    TargetPortal: [*c]ISCSI_TARGET_PORTALW, // ISCSI_TARGET_PORTALW* in/out
    SecurityFlags: u64, // ULONGLONG
    Mappings: [*c]ISCSI_TARGET_MAPPINGW, // ISCSI_TARGET_MAPPINGW* in/out
    LoginOptions: [*c]ISCSI_LOGIN_OPTIONS, // ISCSI_LOGIN_OPTIONS* in/out
    KeySize: u32, // DWORD
    Key: [*c]const u8, // LPSTR optional
    IsPersistent: u8, // BOOLEAN
    UniqueSessionId: [*c]ISCSI_UNIQUE_SESSION_ID, // ISCSI_UNIQUE_SESSION_ID* in/out
    UniqueConnectionId: [*c]ISCSI_UNIQUE_SESSION_ID // ISCSI_UNIQUE_SESSION_ID* in/out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc LoginIScsiTargetW(
    TargetName: WideCString,  # LPWSTR
    IsInformationalSession: uint8,  # BOOLEAN
    InitiatorInstance: WideCString,  # LPWSTR optional
    InitiatorPortNumber: uint32,  # DWORD
    TargetPortal: ptr ISCSI_TARGET_PORTALW,  # ISCSI_TARGET_PORTALW* in/out
    SecurityFlags: uint64,  # ULONGLONG
    Mappings: ptr ISCSI_TARGET_MAPPINGW,  # ISCSI_TARGET_MAPPINGW* in/out
    LoginOptions: ptr ISCSI_LOGIN_OPTIONS,  # ISCSI_LOGIN_OPTIONS* in/out
    KeySize: uint32,  # DWORD
    Key: cstring,  # LPSTR optional
    IsPersistent: uint8,  # BOOLEAN
    UniqueSessionId: ptr ISCSI_UNIQUE_SESSION_ID,  # ISCSI_UNIQUE_SESSION_ID* in/out
    UniqueConnectionId: ptr ISCSI_UNIQUE_SESSION_ID  # ISCSI_UNIQUE_SESSION_ID* in/out
): uint32 {.importc: "LoginIScsiTargetW", stdcall, dynlib: "ISCSIDSC.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "iscsidsc");
extern(Windows)
uint LoginIScsiTargetW(
    const(wchar)* TargetName,   // LPWSTR
    ubyte IsInformationalSession,   // BOOLEAN
    const(wchar)* InitiatorInstance,   // LPWSTR optional
    uint InitiatorPortNumber,   // DWORD
    ISCSI_TARGET_PORTALW* TargetPortal,   // ISCSI_TARGET_PORTALW* in/out
    ulong SecurityFlags,   // ULONGLONG
    ISCSI_TARGET_MAPPINGW* Mappings,   // ISCSI_TARGET_MAPPINGW* in/out
    ISCSI_LOGIN_OPTIONS* LoginOptions,   // ISCSI_LOGIN_OPTIONS* in/out
    uint KeySize,   // DWORD
    const(char)* Key,   // LPSTR optional
    ubyte IsPersistent,   // BOOLEAN
    ISCSI_UNIQUE_SESSION_ID* UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
    ISCSI_UNIQUE_SESSION_ID* UniqueConnectionId   // ISCSI_UNIQUE_SESSION_ID* in/out
);

ccall((:LoginIScsiTargetW, "ISCSIDSC.dll"), stdcall, UInt32,
      (Cwstring, UInt8, Cwstring, UInt32, Ptr{ISCSI_TARGET_PORTALW}, UInt64, Ptr{ISCSI_TARGET_MAPPINGW}, Ptr{ISCSI_LOGIN_OPTIONS}, UInt32, Cstring, UInt8, Ptr{ISCSI_UNIQUE_SESSION_ID}, Ptr{ISCSI_UNIQUE_SESSION_ID}),
      TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)
# TargetName : LPWSTR -> Cwstring
# IsInformationalSession : BOOLEAN -> UInt8
# InitiatorInstance : LPWSTR optional -> Cwstring
# InitiatorPortNumber : DWORD -> UInt32
# TargetPortal : ISCSI_TARGET_PORTALW* in/out -> Ptr{ISCSI_TARGET_PORTALW}
# SecurityFlags : ULONGLONG -> UInt64
# Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Ptr{ISCSI_TARGET_MAPPINGW}
# LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> Ptr{ISCSI_LOGIN_OPTIONS}
# KeySize : DWORD -> UInt32
# Key : LPSTR optional -> Cstring
# IsPersistent : BOOLEAN -> UInt8
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Ptr{ISCSI_UNIQUE_SESSION_ID}
# UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Ptr{ISCSI_UNIQUE_SESSION_ID}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t LoginIScsiTargetW(
    const uint16_t* TargetName,
    uint8_t IsInformationalSession,
    const uint16_t* InitiatorInstance,
    uint32_t InitiatorPortNumber,
    void* TargetPortal,
    uint64_t SecurityFlags,
    void* Mappings,
    void* LoginOptions,
    uint32_t KeySize,
    const char* Key,
    uint8_t IsPersistent,
    void* UniqueSessionId,
    void* UniqueConnectionId);
]]
local iscsidsc = ffi.load("iscsidsc")
-- iscsidsc.LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)
-- TargetName : LPWSTR
-- IsInformationalSession : BOOLEAN
-- InitiatorInstance : LPWSTR optional
-- InitiatorPortNumber : DWORD
-- TargetPortal : ISCSI_TARGET_PORTALW* in/out
-- SecurityFlags : ULONGLONG
-- Mappings : ISCSI_TARGET_MAPPINGW* in/out
-- LoginOptions : ISCSI_LOGIN_OPTIONS* in/out
-- KeySize : DWORD
-- Key : LPSTR optional
-- IsPersistent : BOOLEAN
-- UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
-- UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('ISCSIDSC.dll');
const LoginIScsiTargetW = lib.func('__stdcall', 'LoginIScsiTargetW', 'uint32_t', ['str16', 'uint8_t', 'str16', 'uint32_t', 'void *', 'uint64_t', 'void *', 'void *', 'uint32_t', 'str', 'uint8_t', 'void *', 'void *']);
// LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)
// TargetName : LPWSTR -> 'str16'
// IsInformationalSession : BOOLEAN -> 'uint8_t'
// InitiatorInstance : LPWSTR optional -> 'str16'
// InitiatorPortNumber : DWORD -> 'uint32_t'
// TargetPortal : ISCSI_TARGET_PORTALW* in/out -> 'void *'
// SecurityFlags : ULONGLONG -> 'uint64_t'
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> 'void *'
// LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> 'void *'
// KeySize : DWORD -> 'uint32_t'
// Key : LPSTR optional -> 'str'
// IsPersistent : BOOLEAN -> 'uint8_t'
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> 'void *'
// UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/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("ISCSIDSC.dll", {
  LoginIScsiTargetW: { parameters: ["buffer", "u8", "buffer", "u32", "pointer", "u64", "pointer", "pointer", "u32", "buffer", "u8", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId)
// TargetName : LPWSTR -> "buffer"
// IsInformationalSession : BOOLEAN -> "u8"
// InitiatorInstance : LPWSTR optional -> "buffer"
// InitiatorPortNumber : DWORD -> "u32"
// TargetPortal : ISCSI_TARGET_PORTALW* in/out -> "pointer"
// SecurityFlags : ULONGLONG -> "u64"
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> "pointer"
// LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> "pointer"
// KeySize : DWORD -> "u32"
// Key : LPSTR optional -> "buffer"
// IsPersistent : BOOLEAN -> "u8"
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "pointer"
// UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 LoginIScsiTargetW(
    const uint16_t* TargetName,
    uint8_t IsInformationalSession,
    const uint16_t* InitiatorInstance,
    uint32_t InitiatorPortNumber,
    void* TargetPortal,
    uint64_t SecurityFlags,
    void* Mappings,
    void* LoginOptions,
    uint32_t KeySize,
    const char* Key,
    uint8_t IsPersistent,
    void* UniqueSessionId,
    void* UniqueConnectionId);
C, "ISCSIDSC.dll");
// $ffi->LoginIScsiTargetW(TargetName, IsInformationalSession, InitiatorInstance, InitiatorPortNumber, TargetPortal, SecurityFlags, Mappings, LoginOptions, KeySize, Key, IsPersistent, UniqueSessionId, UniqueConnectionId);
// TargetName : LPWSTR
// IsInformationalSession : BOOLEAN
// InitiatorInstance : LPWSTR optional
// InitiatorPortNumber : DWORD
// TargetPortal : ISCSI_TARGET_PORTALW* in/out
// SecurityFlags : ULONGLONG
// Mappings : ISCSI_TARGET_MAPPINGW* in/out
// LoginOptions : ISCSI_LOGIN_OPTIONS* in/out
// KeySize : DWORD
// Key : LPSTR optional
// IsPersistent : BOOLEAN
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
// UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* 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, W32APIOptions.UNICODE_OPTIONS);
    int LoginIScsiTargetW(
        WString TargetName,   // LPWSTR
        byte IsInformationalSession,   // BOOLEAN
        WString InitiatorInstance,   // LPWSTR optional
        int InitiatorPortNumber,   // DWORD
        Pointer TargetPortal,   // ISCSI_TARGET_PORTALW* in/out
        long SecurityFlags,   // ULONGLONG
        Pointer Mappings,   // ISCSI_TARGET_MAPPINGW* in/out
        Pointer LoginOptions,   // ISCSI_LOGIN_OPTIONS* in/out
        int KeySize,   // DWORD
        String Key,   // LPSTR optional
        byte IsPersistent,   // BOOLEAN
        Pointer UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
        Pointer UniqueConnectionId   // ISCSI_UNIQUE_SESSION_ID* in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("iscsidsc")]
lib LibISCSIDSC
  fun LoginIScsiTargetW = LoginIScsiTargetW(
    TargetName : UInt16*,   # LPWSTR
    IsInformationalSession : UInt8,   # BOOLEAN
    InitiatorInstance : UInt16*,   # LPWSTR optional
    InitiatorPortNumber : UInt32,   # DWORD
    TargetPortal : ISCSI_TARGET_PORTALW*,   # ISCSI_TARGET_PORTALW* in/out
    SecurityFlags : UInt64,   # ULONGLONG
    Mappings : ISCSI_TARGET_MAPPINGW*,   # ISCSI_TARGET_MAPPINGW* in/out
    LoginOptions : ISCSI_LOGIN_OPTIONS*,   # ISCSI_LOGIN_OPTIONS* in/out
    KeySize : UInt32,   # DWORD
    Key : UInt8*,   # LPSTR optional
    IsPersistent : UInt8,   # BOOLEAN
    UniqueSessionId : ISCSI_UNIQUE_SESSION_ID*,   # ISCSI_UNIQUE_SESSION_ID* in/out
    UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID*   # ISCSI_UNIQUE_SESSION_ID* 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 LoginIScsiTargetWNative = Uint32 Function(Pointer<Utf16>, Uint8, Pointer<Utf16>, Uint32, Pointer<Void>, Uint64, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Utf8>, Uint8, Pointer<Void>, Pointer<Void>);
typedef LoginIScsiTargetWDart = int Function(Pointer<Utf16>, int, Pointer<Utf16>, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>, int, Pointer<Utf8>, int, Pointer<Void>, Pointer<Void>);
final LoginIScsiTargetW = DynamicLibrary.open('ISCSIDSC.dll')
    .lookupFunction<LoginIScsiTargetWNative, LoginIScsiTargetWDart>('LoginIScsiTargetW');
// TargetName : LPWSTR -> Pointer<Utf16>
// IsInformationalSession : BOOLEAN -> Uint8
// InitiatorInstance : LPWSTR optional -> Pointer<Utf16>
// InitiatorPortNumber : DWORD -> Uint32
// TargetPortal : ISCSI_TARGET_PORTALW* in/out -> Pointer<Void>
// SecurityFlags : ULONGLONG -> Uint64
// Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Pointer<Void>
// LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> Pointer<Void>
// KeySize : DWORD -> Uint32
// Key : LPSTR optional -> Pointer<Utf8>
// IsPersistent : BOOLEAN -> Uint8
// UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Pointer<Void>
// UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function LoginIScsiTargetW(
  TargetName: PWideChar;   // LPWSTR
  IsInformationalSession: ByteBool;   // BOOLEAN
  InitiatorInstance: PWideChar;   // LPWSTR optional
  InitiatorPortNumber: DWORD;   // DWORD
  TargetPortal: Pointer;   // ISCSI_TARGET_PORTALW* in/out
  SecurityFlags: UInt64;   // ULONGLONG
  Mappings: Pointer;   // ISCSI_TARGET_MAPPINGW* in/out
  LoginOptions: Pointer;   // ISCSI_LOGIN_OPTIONS* in/out
  KeySize: DWORD;   // DWORD
  Key: PAnsiChar;   // LPSTR optional
  IsPersistent: ByteBool;   // BOOLEAN
  UniqueSessionId: Pointer;   // ISCSI_UNIQUE_SESSION_ID* in/out
  UniqueConnectionId: Pointer   // ISCSI_UNIQUE_SESSION_ID* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'LoginIScsiTargetW';

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

foreign import stdcall safe "LoginIScsiTargetW"
  c_LoginIScsiTargetW :: CWString -> Word8 -> CWString -> Word32 -> Ptr () -> Word64 -> Ptr () -> Ptr () -> Word32 -> CString -> Word8 -> Ptr () -> Ptr () -> IO Word32
-- TargetName : LPWSTR -> CWString
-- IsInformationalSession : BOOLEAN -> Word8
-- InitiatorInstance : LPWSTR optional -> CWString
-- InitiatorPortNumber : DWORD -> Word32
-- TargetPortal : ISCSI_TARGET_PORTALW* in/out -> Ptr ()
-- SecurityFlags : ULONGLONG -> Word64
-- Mappings : ISCSI_TARGET_MAPPINGW* in/out -> Ptr ()
-- LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> Ptr ()
-- KeySize : DWORD -> Word32
-- Key : LPSTR optional -> CString
-- IsPersistent : BOOLEAN -> Word8
-- UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> Ptr ()
-- UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/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 loginiscsitargetw =
  foreign "LoginIScsiTargetW"
    ((ptr uint16_t) @-> uint8_t @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> uint64_t @-> (ptr void) @-> (ptr void) @-> uint32_t @-> string @-> uint8_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* TargetName : LPWSTR -> (ptr uint16_t) *)
(* IsInformationalSession : BOOLEAN -> uint8_t *)
(* InitiatorInstance : LPWSTR optional -> (ptr uint16_t) *)
(* InitiatorPortNumber : DWORD -> uint32_t *)
(* TargetPortal : ISCSI_TARGET_PORTALW* in/out -> (ptr void) *)
(* SecurityFlags : ULONGLONG -> uint64_t *)
(* Mappings : ISCSI_TARGET_MAPPINGW* in/out -> (ptr void) *)
(* LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> (ptr void) *)
(* KeySize : DWORD -> uint32_t *)
(* Key : LPSTR optional -> string *)
(* IsPersistent : BOOLEAN -> uint8_t *)
(* UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> (ptr void) *)
(* UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* in/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 iscsidsc (t "ISCSIDSC.dll"))
(cffi:use-foreign-library iscsidsc)

(cffi:defcfun ("LoginIScsiTargetW" login-iscsi-target-w :convention :stdcall) :uint32
  (target-name (:string :encoding :utf-16le))   ; LPWSTR
  (is-informational-session :uint8)   ; BOOLEAN
  (initiator-instance (:string :encoding :utf-16le))   ; LPWSTR optional
  (initiator-port-number :uint32)   ; DWORD
  (target-portal :pointer)   ; ISCSI_TARGET_PORTALW* in/out
  (security-flags :uint64)   ; ULONGLONG
  (mappings :pointer)   ; ISCSI_TARGET_MAPPINGW* in/out
  (login-options :pointer)   ; ISCSI_LOGIN_OPTIONS* in/out
  (key-size :uint32)   ; DWORD
  (key :string)   ; LPSTR optional
  (is-persistent :uint8)   ; BOOLEAN
  (unique-session-id :pointer)   ; ISCSI_UNIQUE_SESSION_ID* in/out
  (unique-connection-id :pointer))   ; ISCSI_UNIQUE_SESSION_ID* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $LoginIScsiTargetW = Win32::API::More->new('ISCSIDSC',
    'DWORD LoginIScsiTargetW(LPCWSTR TargetName, BYTE IsInformationalSession, LPCWSTR InitiatorInstance, DWORD InitiatorPortNumber, LPVOID TargetPortal, UINT64 SecurityFlags, LPVOID Mappings, LPVOID LoginOptions, DWORD KeySize, LPCSTR Key, BYTE IsPersistent, LPVOID UniqueSessionId, LPVOID UniqueConnectionId)');
# my $ret = $LoginIScsiTargetW->Call($TargetName, $IsInformationalSession, $InitiatorInstance, $InitiatorPortNumber, $TargetPortal, $SecurityFlags, $Mappings, $LoginOptions, $KeySize, $Key, $IsPersistent, $UniqueSessionId, $UniqueConnectionId);
# TargetName : LPWSTR -> LPCWSTR
# IsInformationalSession : BOOLEAN -> BYTE
# InitiatorInstance : LPWSTR optional -> LPCWSTR
# InitiatorPortNumber : DWORD -> DWORD
# TargetPortal : ISCSI_TARGET_PORTALW* in/out -> LPVOID
# SecurityFlags : ULONGLONG -> UINT64
# Mappings : ISCSI_TARGET_MAPPINGW* in/out -> LPVOID
# LoginOptions : ISCSI_LOGIN_OPTIONS* in/out -> LPVOID
# KeySize : DWORD -> DWORD
# Key : LPSTR optional -> LPCSTR
# IsPersistent : BOOLEAN -> BYTE
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> LPVOID
# UniqueConnectionId : ISCSI_UNIQUE_SESSION_ID* 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。