IOCTL_DISK_DELETE_DRIVE_LAYOUT - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// ntdddisk.h

// CTL_CODE(0x0007, 0x040, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_DELETE_DRIVE_LAYOUT 0x0007C100
View the official Windows Driver Kit DDI reference
// winioctl.h

// CTL_CODE(0x0007, 0x040, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_DISK_DELETE_DRIVE_LAYOUT 0x0007C100
View the official Win32 API reference

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Windows Driver Kit DDI reference (ni-ntdddisk-ioctl_disk_delete_drive_layout)

IOCTL_DISK_DELETE_DRIVE_LAYOUT IOCTL

Description

Removes partition information from the disk. If the partition style of the disk is Master Boot Record (MBR), sector 0 of the disk is wiped clean except for the bootstrap code. All signatures, such as the AA55 boot signature and the NTFT disk signature, will be removed. If the partition style of the disk is GUID Partition Table (GPT), the primary partition table header in sector 1 and the backup partition table in the last sector of the disk are wiped clean. This operation can be used to generate so-called "superfloppies" that contain a file system starting at the first sector of the disk rather than in a partition on the disk.

Parameters

Major code

Input buffer

None.

Input buffer length

None.

Output buffer

None.

Output buffer length

None.

Input/output buffer

Input/output buffer length

Status block

The Status field is set to STATUS_SUCCESS, or possibly to STATUS_INSUFFICIENT_RESOURCES.

View the official Windows Driver Kit DDI reference

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Win32 API reference (ni-winioctl-ioctl_disk_delete_drive_layout)

IOCTL_DISK_DELETE_DRIVE_LAYOUT IOCTL

Description

Removes the boot signature from the master boot record, so that the disk will be formatted from sector zero to the end of the disk. Partition information is no longer stored in sector zero.

To perform this operation, call the DeviceIoControl function with the following parameters.

BOOL DeviceIoControl(
  (HANDLE) hDevice,                 // handle to device
  IOCTL_DISK_DELETE_DRIVE_LAYOUT,   // dwIoControlCode
  NULL,                             // lpInBuffer
  0,                                // nInBufferSize
  NULL,                             // lpOutBuffer
  0,                                // nOutBufferSize
  (LPDWORD) lpBytesReturned,        // number of bytes returned
  (LPOVERLAPPED) lpOverlapped       // OVERLAPPED structure
);

Parameters

Input buffer

Input buffer length

Output buffer

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful.

Otherwise, Status to the appropriate error condition as a NTSTATUS code.

For more information, see NTSTATUS Values.

See also

View the official Win32 API reference

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