ISCSI_TARGET_MAPPINGW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct ISCSI_UNIQUE_SESSION_ID
{
    public ulong AdapterUnique;
    public ulong AdapterSpecific;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct ISCSI_TARGET_MAPPINGW
{
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)] public string InitiatorName;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 224)] public string TargetName;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public string OSDeviceName;
    public ISCSI_UNIQUE_SESSION_ID SessionId;
    public uint OSBusNumber;
    public uint OSTargetNumber;
    public uint LUNCount;
    public IntPtr LUNList;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure ISCSI_UNIQUE_SESSION_ID
    Public AdapterUnique As ULong
    Public AdapterSpecific As ULong
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure ISCSI_TARGET_MAPPINGW
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=256)> Public InitiatorName As String
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=224)> Public TargetName As String
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=260)> Public OSDeviceName As String
    Public SessionId As ISCSI_UNIQUE_SESSION_ID
    Public OSBusNumber As UInteger
    Public OSTargetNumber As UInteger
    Public LUNCount As UInteger
    Public LUNList As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class ISCSI_UNIQUE_SESSION_ID(ctypes.Structure):
    _fields_ = [
        ("AdapterUnique", ctypes.c_ulonglong),
        ("AdapterSpecific", ctypes.c_ulonglong),
    ]

class ISCSI_TARGET_MAPPINGW(ctypes.Structure):
    _fields_ = [
        ("InitiatorName", ctypes.c_wchar * 256),
        ("TargetName", ctypes.c_wchar * 224),
        ("OSDeviceName", ctypes.c_wchar * 260),
        ("SessionId", ISCSI_UNIQUE_SESSION_ID),
        ("OSBusNumber", wintypes.DWORD),
        ("OSTargetNumber", wintypes.DWORD),
        ("LUNCount", wintypes.DWORD),
        ("LUNList", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct ISCSI_UNIQUE_SESSION_ID {
    pub AdapterUnique: u64,
    pub AdapterSpecific: u64,
}

#[repr(C)]
pub struct ISCSI_TARGET_MAPPINGW {
    pub InitiatorName: [u16; 256],
    pub TargetName: [u16; 224],
    pub OSDeviceName: [u16; 260],
    pub SessionId: ISCSI_UNIQUE_SESSION_ID,
    pub OSBusNumber: u32,
    pub OSTargetNumber: u32,
    pub LUNCount: u32,
    pub LUNList: *mut core::ffi::c_void,
}

import "golang.org/x/sys/windows"

type ISCSI_UNIQUE_SESSION_ID struct {
	AdapterUnique uint64
	AdapterSpecific uint64
}

type ISCSI_TARGET_MAPPINGW struct {
	InitiatorName [256]uint16
	TargetName [224]uint16
	OSDeviceName [260]uint16
	SessionId ISCSI_UNIQUE_SESSION_ID
	OSBusNumber uint32
	OSTargetNumber uint32
	LUNCount uint32
	LUNList uintptr
}

type
  ISCSI_UNIQUE_SESSION_ID = record
    AdapterUnique: UInt64;
    AdapterSpecific: UInt64;
  end;

  ISCSI_TARGET_MAPPINGW = record
    InitiatorName: array[0..255] of WideChar;
    TargetName: array[0..223] of WideChar;
    OSDeviceName: array[0..259] of WideChar;
    SessionId: ISCSI_UNIQUE_SESSION_ID;
    OSBusNumber: DWORD;
    OSTargetNumber: DWORD;
    LUNCount: DWORD;
    LUNList: Pointer;
  end;

const ISCSI_UNIQUE_SESSION_ID = extern struct {
    AdapterUnique: u64,
    AdapterSpecific: u64,
};

const ISCSI_TARGET_MAPPINGW = extern struct {
    InitiatorName: [256]u16,
    TargetName: [224]u16,
    OSDeviceName: [260]u16,
    SessionId: ISCSI_UNIQUE_SESSION_ID,
    OSBusNumber: u32,
    OSTargetNumber: u32,
    LUNCount: u32,
    LUNList: ?*anyopaque,
};

type
  ISCSI_UNIQUE_SESSION_ID {.bycopy.} = object
    AdapterUnique: uint64
    AdapterSpecific: uint64

  ISCSI_TARGET_MAPPINGW {.bycopy.} = object
    InitiatorName: array[256, uint16]
    TargetName: array[224, uint16]
    OSDeviceName: array[260, uint16]
    SessionId: ISCSI_UNIQUE_SESSION_ID
    OSBusNumber: uint32
    OSTargetNumber: uint32
    LUNCount: uint32
    LUNList: pointer

struct ISCSI_UNIQUE_SESSION_ID
{
    ulong AdapterUnique;
    ulong AdapterSpecific;
}

struct ISCSI_TARGET_MAPPINGW
{
    wchar[256] InitiatorName;
    wchar[224] TargetName;
    wchar[260] OSDeviceName;
    ISCSI_UNIQUE_SESSION_ID SessionId;
    uint OSBusNumber;
    uint OSTargetNumber;
    uint LUNCount;
    void* LUNList;
}