linux/include/uapi/linux/tty_flags.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_TTY_FLAGS_H
#define _LINUX_TTY_FLAGS_H

/*
 * Definitions for async_struct (and serial_struct) flags field also
 * shared by the tty_port flags structures.
 *
 * Define ASYNCB_* for convenient use with {test,set,clear}_bit.
 *
 * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable
 * [x] in the bit comments indicates the flag is defunct and no longer used.
 */
#define ASYNCB_HUP_NOTIFY …
#define ASYNCB_FOURPORT …
#define ASYNCB_SAK …
#define ASYNCB_SPLIT_TERMIOS …
#define ASYNCB_SPD_HI …
#define ASYNCB_SPD_VHI …
#define ASYNCB_SKIP_TEST …
#define ASYNCB_AUTO_IRQ …
#define ASYNCB_SESSION_LOCKOUT …
#define ASYNCB_PGRP_LOCKOUT …
#define ASYNCB_CALLOUT_NOHUP …
#define ASYNCB_HARDPPS_CD …
#define ASYNCB_SPD_SHI …
#define ASYNCB_LOW_LATENCY …
#define ASYNCB_BUGGY_UART …
#define ASYNCB_AUTOPROBE …
#define ASYNCB_MAGIC_MULTIPLIER …
#define ASYNCB_LAST_USER …

/*
 * Internal flags used only by kernel (read-only)
 *
 * WARNING: These flags are no longer used and have been superceded by the
 *	    TTY_PORT_ flags in the iflags field (and not userspace-visible)
 */
#ifndef __KERNEL__
#define ASYNCB_INITIALIZED …
#define ASYNCB_SUSPENDED …
#define ASYNCB_NORMAL_ACTIVE …
#define ASYNCB_BOOT_AUTOCONF …
#define ASYNCB_CLOSING …
#define ASYNCB_CTS_FLOW …
#define ASYNCB_CHECK_CD …
#define ASYNCB_SHARE_IRQ …
#define ASYNCB_CONS_FLOW …
#define ASYNCB_FIRST_KERNEL …
#endif

/* Masks */
#define ASYNC_HUP_NOTIFY …
#define ASYNC_SUSPENDED …
#define ASYNC_FOURPORT …
#define ASYNC_SAK …
#define ASYNC_SPLIT_TERMIOS …
#define ASYNC_SPD_HI …
#define ASYNC_SPD_VHI …
#define ASYNC_SKIP_TEST …
#define ASYNC_AUTO_IRQ …
#define ASYNC_SESSION_LOCKOUT …
#define ASYNC_PGRP_LOCKOUT …
#define ASYNC_CALLOUT_NOHUP …
#define ASYNC_HARDPPS_CD …
#define ASYNC_SPD_SHI …
#define ASYNC_LOW_LATENCY …
#define ASYNC_BUGGY_UART …
#define ASYNC_AUTOPROBE …
#define ASYNC_MAGIC_MULTIPLIER …

#define ASYNC_FLAGS …
#define ASYNC_DEPRECATED …
#define ASYNC_USR_MASK …
#define ASYNC_SPD_CUST …
#define ASYNC_SPD_WARP …
#define ASYNC_SPD_MASK …

#ifndef __KERNEL__
/* These flags are no longer used (and were always masked from userspace) */
#define ASYNC_INITIALIZED …
#define ASYNC_NORMAL_ACTIVE …
#define ASYNC_BOOT_AUTOCONF …
#define ASYNC_CLOSING …
#define ASYNC_CTS_FLOW …
#define ASYNC_CHECK_CD …
#define ASYNC_SHARE_IRQ …
#define ASYNC_CONS_FLOW …
#define ASYNC_INTERNAL_FLAGS …
#endif

#endif