| /* |
| * 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; |
| struct chan_ops *ops; |
| void *data; |
| }; |
| |
| extern void chan_interrupt(struct list_head *chans, struct work_struct *task, |
| struct tty_struct *tty, int irq); |
| extern int parse_chan_pair(char *str, struct line *line, int device, |
| struct chan_opts *opts); |
| extern int open_chan(struct list_head *chans); |
| extern int write_chan(struct list_head *chans, const char *buf, int len, |
| int write_irq); |
| extern int console_write_chan(struct list_head *chans, const char *buf, |
| int len); |
| extern int console_open_chan(struct line *line, struct console *co, |
| struct chan_opts *opts); |
| extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); |
| extern void enable_chan(struct line *line); |
| extern void close_chan(struct list_head *chans, int delay_free_irq); |
| extern int chan_window_size(struct list_head *chans, |
| unsigned short *rows_out, |
| unsigned short *cols_out); |
| extern int chan_out_fd(struct list_head *chans); |
| extern int chan_config_string(struct list_head *chans, char *str, int size, |
| char **error_out); |
| |
| #endif |