获取硬盘信息失败怎么办_pe系统检测不到硬盘

参考：DeviceIoControl 函数详细解析

BOOL WINAPI DeviceIoControl(
  _In_        HANDLE       hDevice,
  _In_        DWORD        dwIoControlCode,
  _In_opt_    LPVOID       lpInBuffer,
  _In_        DWORD        nInBufferSize,
  _Out_opt_   LPVOID       lpOutBuffer,
  _In_        DWORD        nOutBufferSize,
  _Out_opt_   LPDWORD      lpBytesReturned,
  _Inout_opt_ LPOVERLAPPED lpOverlapped
);

• @param hDevice：设备句柄，通过CreateFile获得
• @param dwIoControlCode：控制码，每个控制码都提供了lpInBuffer，nInBufferSize，lpOutBuffer和nOutBufferSize参数的使用细节
• @param lpInBuffer，nInBufferSize，lpOutBuffer，nOutBufferSize 根据控制码不同
• lpBytesReturned 返回实际数据空间的大小，如果lpOutBuffer缓冲区大于实际缓冲区则lpBytesReturned 为实际缓冲区大小，如果lpOutBuffer缓冲区小于实际缓冲区则lpBytesReturned为lpOutBuffer缓冲区大小
• @param lpOverlapped 基本不使用，直接NULL

通过CreateFile打开设备驱动程序的句柄时，应指定FILE_SHARE_READ和FILE_SHARE_WRITE访问标志。但是，当您打开通信资源（如串行端口）时，必须指定独占访问权限。FileName通常以如下形式：

bool getDiskDesc(int index)
{ 
   
	TCHAR szDrvName[MAX_PATH] = _T("");
	_stprintf_s<MAX_PATH>(szDrvName, _T("\\\\.\\PhysicalDrive%d"), index);
	HANDLE hDevice = NULL;

	try
	{ 
   
		hDevice = CreateFile(szDrvName, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, NULL, NULL);
		if (hDevice == INVALID_HANDLE_VALUE)
		{ 
   
			return false;
		}
		DWORD dwOutBytes = 0;

		STORAGE_PROPERTY_QUERY Query;
		Query.PropertyId = StorageDeviceProperty;
		Query.QueryType = PropertyStandardQuery;

		std::string buf(1024, 0);
		BOOL bResult = ::DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY, &Query, sizeof(Query), (char *)buf.data(), buf.capacity() - 1, &dwOutBytes, NULL);

		if (bResult)
		{ 
   
			PSTORAGE_DEVICE_DESCRIPTOR pDevDesc = (PSTORAGE_DEVICE_DESCRIPTOR)buf.data();
			if (pDevDesc->Size >= buf.capacity())
			{ 
   
				buf.resize(pDevDesc->Size + 1);
				bResult = ::DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY, &Query, sizeof(Query), (char *)buf.data(), buf.capacity() - 1, &dwOutBytes, NULL);
				if (!bResult)
				{ 
   
					CloseHandle(hDevice);
					return false;
				}
				pDevDesc = (PSTORAGE_DEVICE_DESCRIPTOR)buf.data();
			}
			
			STORAGE_BUS_TYPE bsutype = pDevDesc->BusType;
			//char *SerialNumber = &buf[pDevDesc->SerialNumberOffset];
			//char *Vendor = &buf[pDevDesc->VendorIdOffset];
			if (pDevDesc->ProductIdOffset > 0)
			{ 
   
				char *ProductId = &buf[pDevDesc->ProductIdOffset];
				printf("DISK pId:%s,type:%d\r\n", ProductId, bsutype);
			}
			CloseHandle(hDevice);
			return true;
		}

	}
	catch (...)
	{ 
   
		
	}
	CloseHandle(hDevice);
	return false;
}

枚举所有物理驱动器信息：

int nindex = 0;
	while (getDiskDesc(nindex++)){ 
   };

type 7:表示usb设备

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