98 строки
4.4 KiB
C
98 строки
4.4 KiB
C
/* 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 0 /* Notify getty on hangups and closes
|
|
* on the callout port */
|
|
#define ASYNCB_FOURPORT 1 /* Set OU1, OUT2 per AST Fourport settings */
|
|
#define ASYNCB_SAK 2 /* Secure Attention Key (Orange book) */
|
|
#define ASYNCB_SPLIT_TERMIOS 3 /* [x] Separate termios for dialin/callout */
|
|
#define ASYNCB_SPD_HI 4 /* Use 57600 instead of 38400 bps */
|
|
#define ASYNCB_SPD_VHI 5 /* Use 115200 instead of 38400 bps */
|
|
#define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */
|
|
#define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during
|
|
* autoconfiguration */
|
|
#define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock out cua opens based on session */
|
|
#define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock out cua opens based on pgrp */
|
|
#define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don't do hangups for cua device */
|
|
#define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */
|
|
#define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */
|
|
#define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */
|
|
#define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety
|
|
* checks. Note: can be dangerous! */
|
|
#define ASYNCB_AUTOPROBE 15 /* [x] Port was autoprobed by PCI/PNP code */
|
|
#define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */
|
|
#define ASYNCB_LAST_USER 16
|
|
|
|
/*
|
|
* 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* WARNING: These flags are no longer used and have been superceded by the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 31 /* Serial port was initialized */
|
|
#define ASYNCB_SUSPENDED 30 /* Serial port is suspended */
|
|
#define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */
|
|
#define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */
|
|
#define ASYNCB_CLOSING 27 /* Serial port is closing */
|
|
#define ASYNCB_CTS_FLOW 26 /* Do CTS flow control */
|
|
#define ASYNCB_CHECK_CD 25 /* i.e., CLOCAL */
|
|
#define ASYNCB_SHARE_IRQ 24 /* for multifunction cards, no longer used */
|
|
#define ASYNCB_CONS_FLOW 23 /* flow control for console */
|
|
#define ASYNCB_FIRST_KERNEL 22
|
|
#endif
|
|
|
|
/* Masks */
|
|
#define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY)
|
|
#define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED)
|
|
#define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT)
|
|
#define ASYNC_SAK (1U << ASYNCB_SAK)
|
|
#define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS)
|
|
#define ASYNC_SPD_HI (1U << ASYNCB_SPD_HI)
|
|
#define ASYNC_SPD_VHI (1U << ASYNCB_SPD_VHI)
|
|
#define ASYNC_SKIP_TEST (1U << ASYNCB_SKIP_TEST)
|
|
#define ASYNC_AUTO_IRQ (1U << ASYNCB_AUTO_IRQ)
|
|
#define ASYNC_SESSION_LOCKOUT (1U << ASYNCB_SESSION_LOCKOUT)
|
|
#define ASYNC_PGRP_LOCKOUT (1U << ASYNCB_PGRP_LOCKOUT)
|
|
#define ASYNC_CALLOUT_NOHUP (1U << ASYNCB_CALLOUT_NOHUP)
|
|
#define ASYNC_HARDPPS_CD (1U << ASYNCB_HARDPPS_CD)
|
|
#define ASYNC_SPD_SHI (1U << ASYNCB_SPD_SHI)
|
|
#define ASYNC_LOW_LATENCY (1U << ASYNCB_LOW_LATENCY)
|
|
#define ASYNC_BUGGY_UART (1U << ASYNCB_BUGGY_UART)
|
|
#define ASYNC_AUTOPROBE (1U << ASYNCB_AUTOPROBE)
|
|
#define ASYNC_MAGIC_MULTIPLIER (1U << ASYNCB_MAGIC_MULTIPLIER)
|
|
|
|
#define ASYNC_FLAGS ((1U << (ASYNCB_LAST_USER + 1)) - 1)
|
|
#define ASYNC_DEPRECATED (ASYNC_SESSION_LOCKOUT | ASYNC_PGRP_LOCKOUT | \
|
|
ASYNC_CALLOUT_NOHUP | ASYNC_AUTOPROBE)
|
|
#define ASYNC_USR_MASK (ASYNC_SPD_MASK|ASYNC_CALLOUT_NOHUP| \
|
|
ASYNC_LOW_LATENCY)
|
|
#define ASYNC_SPD_CUST (ASYNC_SPD_HI|ASYNC_SPD_VHI)
|
|
#define ASYNC_SPD_WARP (ASYNC_SPD_HI|ASYNC_SPD_SHI)
|
|
#define ASYNC_SPD_MASK (ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)
|
|
|
|
#ifndef _KERNEL_
|
|
/* These flags are no longer used (and were always masked from userspace) */
|
|
#define ASYNC_INITIALIZED (1U << ASYNCB_INITIALIZED)
|
|
#define ASYNC_NORMAL_ACTIVE (1U << ASYNCB_NORMAL_ACTIVE)
|
|
#define ASYNC_BOOT_AUTOCONF (1U << ASYNCB_BOOT_AUTOCONF)
|
|
#define ASYNC_CLOSING (1U << ASYNCB_CLOSING)
|
|
#define ASYNC_CTS_FLOW (1U << ASYNCB_CTS_FLOW)
|
|
#define ASYNC_CHECK_CD (1U << ASYNCB_CHECK_CD)
|
|
#define ASYNC_SHARE_IRQ (1U << ASYNCB_SHARE_IRQ)
|
|
#define ASYNC_CONS_FLOW (1U << ASYNCB_CONS_FLOW)
|
|
#define ASYNC_INTERNAL_FLAGS (~((1U << ASYNCB_FIRST_KERNEL) - 1))
|
|
#endif
|
|
|
|
#endif
|