linux/include/linux/tty_buffer.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_TTY_BUFFER_H
#define _LINUX_TTY_BUFFER_H

#include <linux/atomic.h>
#include <linux/llist.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>

struct tty_buffer { … };

static inline u8 *char_buf_ptr(struct tty_buffer *b, unsigned int ofs)
{ … }

static inline u8 *flag_buf_ptr(struct tty_buffer *b, unsigned int ofs)
{ … }

struct tty_bufhead { … };

/*
 * When a break, frame error, or parity error happens, these codes are
 * stuffed into the flags buffer.
 */
#define TTY_NORMAL …
#define TTY_BREAK …
#define TTY_FRAME …
#define TTY_PARITY …
#define TTY_OVERRUN …

#endif