| /* | |
| * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) | |
| * Licensed under the GPL | |
| */ | |
| #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 reactivate_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 |