我正在尝试使用 ATA_PASS_THROUGH_EX 识别设备。
当我看到输出缓冲区时,它包含所有无效数据。有人可以帮我做错什么吗?
#include <Windows.h>
#include <ntddscsi.h>
#include <iostream>
void main() {
WCHAR *fileName = (WCHAR * ) "\\.\PhysicalDrive0";
HANDLE handle = CreateFile(
fileName,
GENERIC_READ | GENERIC_WRITE, //IOCTL_ATA_PASS_THROUGH requires read-write
FILE_SHARE_READ,
NULL, //no security attributes
OPEN_EXISTING,
0, //flags and attributes
NULL //no template file
);
ATA_PASS_THROUGH_EX inputBuffer;
inputBuffer.Length = sizeof(ATA_PASS_THROUGH_EX);
inputBuffer.AtaFlags = ATA_FLAGS_DATA_IN;
inputBuffer.DataTransferLength = 0;
inputBuffer.DataBufferOffset = 0;
IDEREGS *ir = (IDEREGS *) inputBuffer.CurrentTaskFile;
ir->bCommandReg = 0xEC; //identify device
ir->bSectorCountReg = 1;
unsigned int inputBufferSize = sizeof(ATA_PASS_THROUGH_EX);
UINT8 outputBuffer[512];
UINT32 outputBufferSize = 512;
LPDWORD bytesReturned = 0;
DeviceIoControl( handle, IOCTL_ATA_PASS_THROUGH_DIRECT, &inputBuffer, inputBufferSize, &outputBuffer, outputBufferSize, bytesReturned, NULL);
DWORD error = GetLastError();
std::cout << outputBuffer << std::endl;
system("pause");
}
更新:当我检查错误值时,它是 5,这意味着它是访问冲突。我在管理员模式下运行。难道我做错了什么?
-缺口