include/linux/tty_ldisc.h

1 /* SPDX-License-Identifier: GPL-2.0 */
59  * struct tty_ldisc_ops - ldisc operations
69  *	by the ldisc, and set @tty->receive_room to the maximum amount of data
108  *	The line discipline will deliver the characters to the low-level tty
119  *	handled by the tty layer or the low-level tty driver. It is intended
121  *	order for ioctls is (1) tty layer, (2) tty low-level driver, (3) line
122  *	discpline. So a low-level driver can "grab" an ioctl request before
130  *	Process ioctl calls from 32-bit process on 64-bit system.
133  *	structure" nor tty-generic.  Something private that takes an integer or
134  *	a pointer to wordsize-sensitive structure belongs here, but most of
167  *	This function is called by the low-level tty driver to send characters
178  *	This function is called by the low-level tty driver to signal that line
179  *	discpline should try to send more characters to the low-level driver
190  *	exclusively by the %N_PPS (Pulse-Per-Second) line discipline.
197  *	This function is called by the low-level tty driver to send characters
210  *	This function is called by the low-level tty driver for characters
211  *	not eaten by ->receive_buf() or ->receive_buf2(). It is useful for
212  *	processing high-priority characters such as software flow-control
215  *	handle later a ->receive_buf() or ->receive_buf2() call for the
216  *	same characters (e.g. by skipping the actions for high-priority
217  *	characters already handled by ->lookahead_buf()).
275 	MODULE_ALIAS("tty-ldisc-" __stringify(ldisc))