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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2000, 2001 Jeff Dike ([email protected])
- */
- #ifndef __CHAN_KERN_H__
- #define __CHAN_KERN_H__
- #include <linux/tty.h>
- #include <linux/list.h>
- #include <linux/console.h>
- #include "chan_user.h"
- #include "line.h"
- struct chan {
- struct list_head list;
- struct list_head free_list;
- struct line *line;
- char *dev;
- unsigned int primary:1;
- unsigned int input:1;
- unsigned int output:1;
- unsigned int opened:1;
- unsigned int enabled:1;
- int fd;
- const struct chan_ops *ops;
- void *data;
- };
- extern void chan_interrupt(struct line *line, int irq);
- extern int parse_chan_pair(char *str, struct line *line, int device,
- const struct chan_opts *opts, char **error_out);
- extern int write_chan(struct chan *chan, const char *buf, int len,
- int write_irq);
- extern int console_write_chan(struct chan *chan, const char *buf,
- int len);
- extern int console_open_chan(struct line *line, struct console *co);
- extern void deactivate_chan(struct chan *chan, int irq);
- extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
- extern int enable_chan(struct line *line);
- extern void close_chan(struct line *line);
- extern int chan_window_size(struct line *line,
- unsigned short *rows_out,
- unsigned short *cols_out);
- extern int chan_config_string(struct line *line, char *str, int size,
- char **error_out);
- #endif
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