Windows是否具有特定的接口,我可以通过它发送特定的scsi命令,例如查询到scsi设备?我在网上搜索,发现传递了对SCSI Pass Through接口的引用.但它很模糊.
是否有关于如何使用它的API的文档?
最佳答案
#include <iostream>
#include <windows.h>
#include <winioctl.h>
#define ULONG_PTR ULONG
#include <ntddscsi.h> //from SDK
#include <spti.h> //from DDK
using namespace std;
int demo()
{
HANDLE hDisk;
SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER sptdwb;
ULONG length = 0;
DWORD bytesReturn;
BYTE bufDataRead[64*1024+10];
int iRet;
hDisk = CreateFile(path,GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,OPEN_EXISTING,0,NULL
);
if (hDisk ==INVALID_HANDLE_VALUE) {
return 0;
}
ZeroMemory(&sptdwb, sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER));
sptdwb.sptd.Length = sizeof(SCSI_PASS_THROUGH_DIRECT);
sptdwb.sptd.PathId = 0;
sptdwb.sptd.TargetId = 1;
sptdwb.sptd.Lun = 0;
sptdwb.sptd.CdbLength = 6;
sptdwb.sptd.DataIn = SCSI_IOCTL_DATA_IN;
sptdwb.sptd.SenseInfoLength = 24;
sptdwb.sptd.DataTransferLength = 8;
sptdwb.sptd.TimeOutValue = 2;
sptdwb.sptd.DataBuffer = bufDataRead;
sptdwb.sptd.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER,ucSenseBuf);
sptdwb.sptd.Cdb[0] = 0x12;
sptdwb.sptd.Cdb[1] = 0x00;
sptdwb.sptd.Cdb[2] = 0x00;
sptdwb.sptd.Cdb[3] = 0x00;
sptdwb.sptd.Cdb[4] = 0xFF;
sptdwb.sptd.Cdb[5] = 0x00;
length = sizeof(SCSI_PASS_THROUGH_DIRECT_WITH_BUFFER);
iRet = DeviceIoControl(hDisk,
IOCTL_SCSI_PASS_THROUGH_DIRECT,
&sptdwb,
length,
&sptdwb,
length,
&bytesReturn,
NULL);
if (0 == iRet) {
printf("inquiry fail");
return 0;
} else {
//Check returned data in sptdwb.sptd.DataBuffer.
}
return 0;
}