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SendScsiReadCapacity

関数

iSCSIセッション上でSCSI Read Capacityコマンドを送信する。

DLLISCSIDSC.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

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

パラメーター

名前	型	方向
UniqueSessionId	ISCSI_UNIQUE_SESSION_ID*	inout
Lun	ULONGLONG	in
ScsiStatus	BYTE*	inout
ResponseSize	DWORD*	inout
ResponseBuffer	BYTE*	inout
SenseSize	DWORD*	inout
SenseBuffer	BYTE*	inout

戻り値の型: DWORD

各言語での呼び出し定義

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

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

[DllImport("ISCSIDSC.dll", ExactSpelling = true)]
static extern uint SendScsiReadCapacity(
    IntPtr UniqueSessionId,   // ISCSI_UNIQUE_SESSION_ID* in/out
    ulong Lun,   // ULONGLONG
    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 SendScsiReadCapacity(
    UniqueSessionId As IntPtr,   ' ISCSI_UNIQUE_SESSION_ID* in/out
    Lun As ULong,   ' ULONGLONG
    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
' ScsiStatus : BYTE* in/out
' ResponseSize : DWORD* in/out
' ResponseBuffer : BYTE* in/out
' SenseSize : DWORD* in/out
' SenseBuffer : BYTE* in/out
Declare PtrSafe Function SendScsiReadCapacity Lib "iscsidsc" ( _
    ByVal UniqueSessionId As LongPtr, _
    ByVal Lun As LongLong, _
    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

SendScsiReadCapacity = ctypes.windll.iscsidsc.SendScsiReadCapacity
SendScsiReadCapacity.restype = wintypes.DWORD
SendScsiReadCapacity.argtypes = [
    ctypes.c_void_p,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    ctypes.c_ulonglong,  # Lun : ULONGLONG
    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')
SendScsiReadCapacity = Fiddle::Function.new(
  lib['SendScsiReadCapacity'],
  [
    Fiddle::TYPE_VOIDP,  # UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out
    -Fiddle::TYPE_LONG_LONG,  # Lun : ULONGLONG
    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 SendScsiReadCapacity(
        UniqueSessionId: *mut ISCSI_UNIQUE_SESSION_ID,  // ISCSI_UNIQUE_SESSION_ID* in/out
        Lun: u64,  // ULONGLONG
        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 SendScsiReadCapacity(IntPtr UniqueSessionId, ulong Lun, IntPtr ScsiStatus, ref uint ResponseSize, IntPtr ResponseBuffer, ref uint SenseSize, IntPtr SenseBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_SendScsiReadCapacity' -Namespace Win32 -PassThru
# $api::SendScsiReadCapacity(UniqueSessionId, Lun, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)

#uselib "ISCSIDSC.dll"
#func global SendScsiReadCapacity "SendScsiReadCapacity" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SendScsiReadCapacity varptr(UniqueSessionId), Lun, 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"
; 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 SendScsiReadCapacity "SendScsiReadCapacity" var, int64, var, var, var, var, var
; res = SendScsiReadCapacity(UniqueSessionId, Lun, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "var"
; Lun : ULONGLONG -> "int64"
; 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)。#uselib "ISCSIDSC.dll"
#cfunc global SendScsiReadCapacity "SendScsiReadCapacity" sptr, int64, sptr, sptr, sptr, sptr, sptr
; res = SendScsiReadCapacity(varptr(UniqueSessionId), Lun, varptr(ScsiStatus), varptr(ResponseSize), varptr(ResponseBuffer), varptr(SenseSize), varptr(SenseBuffer))
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "sptr"
; Lun : ULONGLONG -> "int64"
; 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"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
; ※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 SendScsiReadCapacity(ISCSI_UNIQUE_SESSION_ID* UniqueSessionId, ULONGLONG Lun, BYTE* ScsiStatus, DWORD* ResponseSize, BYTE* ResponseBuffer, DWORD* SenseSize, BYTE* SenseBuffer)
#uselib "ISCSIDSC.dll"
#cfunc global SendScsiReadCapacity "SendScsiReadCapacity" var, int64, var, var, var, var, var
; res = SendScsiReadCapacity(UniqueSessionId, Lun, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "var"
; Lun : ULONGLONG -> "int64"
; 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。; DWORD SendScsiReadCapacity(ISCSI_UNIQUE_SESSION_ID* UniqueSessionId, ULONGLONG Lun, BYTE* ScsiStatus, DWORD* ResponseSize, BYTE* ResponseBuffer, DWORD* SenseSize, BYTE* SenseBuffer)
#uselib "ISCSIDSC.dll"
#cfunc global SendScsiReadCapacity "SendScsiReadCapacity" intptr, int64, intptr, intptr, intptr, intptr, intptr
; res = SendScsiReadCapacity(varptr(UniqueSessionId), Lun, varptr(ScsiStatus), varptr(ResponseSize), varptr(ResponseBuffer), varptr(SenseSize), varptr(SenseBuffer))
; UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "intptr"
; Lun : ULONGLONG -> "int64"
; ScsiStatus : BYTE* in/out -> "intptr"
; ResponseSize : DWORD* in/out -> "intptr"
; ResponseBuffer : BYTE* in/out -> "intptr"
; SenseSize : DWORD* in/out -> "intptr"
; SenseBuffer : BYTE* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procSendScsiReadCapacity = iscsidsc.NewProc("SendScsiReadCapacity")
)

// UniqueSessionId (ISCSI_UNIQUE_SESSION_ID* in/out), Lun (ULONGLONG), ScsiStatus (BYTE* in/out), ResponseSize (DWORD* in/out), ResponseBuffer (BYTE* in/out), SenseSize (DWORD* in/out), SenseBuffer (BYTE* in/out)
r1, _, err := procSendScsiReadCapacity.Call(
	uintptr(UniqueSessionId),
	uintptr(Lun),
	uintptr(ScsiStatus),
	uintptr(ResponseSize),
	uintptr(ResponseBuffer),
	uintptr(SenseSize),
	uintptr(SenseBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SendScsiReadCapacity(
  UniqueSessionId: Pointer;   // ISCSI_UNIQUE_SESSION_ID* in/out
  Lun: UInt64;   // ULONGLONG
  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 'SendScsiReadCapacity';

result := DllCall("ISCSIDSC\SendScsiReadCapacity"
    , "Ptr", UniqueSessionId   ; ISCSI_UNIQUE_SESSION_ID* in/out
    , "Int64", Lun   ; ULONGLONG
    , "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

●SendScsiReadCapacity(UniqueSessionId, Lun, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer) = DLL("ISCSIDSC.dll", "dword SendScsiReadCapacity(void*, qword, void*, void*, void*, void*, void*)")
# 呼び出し: SendScsiReadCapacity(UniqueSessionId, Lun, ScsiStatus, ResponseSize, ResponseBuffer, SenseSize, SenseBuffer)
# UniqueSessionId : ISCSI_UNIQUE_SESSION_ID* in/out -> "void*"
# Lun : ULONGLONG -> "qword"
# 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)。