IOCTL_DVD_START_SESSION IOCTL (ntddcdvd.h)

Returns an authentication grant ID (AGID) as a DVD session ID, which a caller must pass to the device in all subsequent operations in a DVD session.

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

None.

Input buffer length

None.

Output buffer

The driver returns an integer authentication grant ID of type DVD_SESSION_ID in the buffer at Irp->AssociatedIrp.SystemBuffer.

Output buffer length

Length of a DVD_SESSION_ID.

Status block

The Information field is set to sizeof(DVD_SESSION_ID). The Status field is set to STATUS_SUCCESS, or possibly to STATUS_INSUFFICIENT_RESOURCES.

Requirements