Lines Matching +full:user +full:- +full:level

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
88  *	input characters it may have queued to be delivered to the user mode
94  *	This function is called when the user requests to read from the @tty.
96  *	for the user. If this function is not defined, the user will receive
105  *	This function is called when the user requests to write to the @tty.
106  *	The line discipline will deliver the characters to the low-level tty
108  *	characters first. If this function is not defined, the user will
116  *	This function is called when the user requests an ioctl which is not
117  *	handled by the tty layer or the low-level tty driver. It is intended
119  *	order for ioctls is (1) tty layer, (2) tty low-level driver, (3) line
120  *	discpline. So a low-level driver can "grab" an ioctl request before
126  *	Process ioctl calls from 32-bit process on 64-bit system.
129  *	structure" nor tty-generic.  Something private that takes an integer or
130  *	a pointer to wordsize-sensitive structure belongs here, but most of
141  *	This function is called when a user attempts to select/poll on a @tty
157  *	This function is called by the low-level tty driver to send characters
166  *	This function is called by the low-level tty driver to signal that line
167  *	discpline should try to send more characters to the low-level driver
176  *	exclusively by the %N_PPS (Pulse-Per-Second) line discipline.
181  *	This function is called by the low-level tty driver to send characters
192  *	This function is called by the low-level tty driver for characters
193  *	not eaten by ->receive_buf() or ->receive_buf2(). It is useful for
194  *	processing high-priority characters such as software flow-control
197  *	handle later a ->receive_buf() or ->receive_buf2() call for the
198  *	same characters (e.g. by skipping the actions for high-priority
199  *	characters already handled by ->lookahead_buf()).
256 	MODULE_ALIAS("tty-ldisc-" __stringify(ldisc))