include/linux/tty_driver.h

47  *	This routine is called when a particular @tty device is opened. This
48  *	routine is mandatory; if this routine is not filled in, the attempted
55  *	This routine is called when a particular @tty device is closed. At the
65  *	This routine is called under the tty lock when a particular @tty device
71  *	This routine is called asynchronously when a particular @tty device
77  *	This routine is called by the kernel to write a series (@count) of
79  *	user space or kernel space.  This routine will return the
89  *	This routine is called by the kernel to write a single character @ch to
90  *	the @tty device. If the kernel uses this routine, it must call the
91  *	@flush_chars() routine (if defined) when it is done stuffing characters
100  *	This routine is called by the kernel after it has written a
108  *	This routine returns the numbers of characters the @tty driver
121  *	This routine returns the number of characters in the device private
131  *	This routine allows the @tty driver to implement device-specific
146  *	This routine allows the @tty driver to be notified when device's
159  *	This routine allows the @tty driver to decide if it can deal
166  *	This routine allows the @tty driver to be notified when the device's
174  *	This routine notifies the @tty driver that input buffers for the line
186  *	This routine notifies the @tty driver that it should signal that
195  *	This routine notifies the @tty driver that it should stop outputting
204  *	This routine notifies the @tty driver that it resumed sending
213  *	This routine notifies the @tty driver that it should hang up the @tty
220  *	This optional routine requests the @tty driver to turn on or off BREAK
224  *	If this routine is implemented, the high-level tty driver will handle
236  *	This routine discards device private output buffer. Invoked on close,
245  *	This routine waits until the device has written out all of the
254  *	This routine is used to send a high-priority XON/XOFF character (@ch)
262  *	This routine is used to obtain the modem status bits from the @tty
271  *	This routine is used to set the modem status bits to the @tty driver.
323  *	kgdboc support (Documentation/dev-tools/kgdb.rst). This routine is