DESCRIPTIONThe driver provides support for a SCSI processor type device. These are usually scanners and other devices using the SCSI link as a communication interface with device specific commands embedded in the data stream.
A SCSI adapter must be separately configured into the system before this driver can be used.
IOCTLSThe following ioctl(2) calls are supported by the driver. They are defined in the header file In sys/ptio.h .
- This ioctl allows userland applications to fetch the current driver read and write timeout. The value returned is in seconds.
- This ioctl allows userland applications to set the current driver read and write timeouts. The value should be in seconds.
- /dev/pt N
- the N th processor device.
HISTORYThe driver appeared in Fx 2.1 .