| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com) |
| 3 | * Licensed under the GPL |
| 4 | */ |
| 5 | |
| 6 | #ifndef __CHAN_KERN_H__ |
| 7 | #define __CHAN_KERN_H__ |
| 8 | |
| 9 | #include <linux/tty.h> |
| 10 | #include <linux/list.h> |
| 11 | #include <linux/console.h> |
| 12 | #include "chan_user.h" |
| 13 | #include "line.h" |
| 14 | |
| 15 | struct chan { |
| 16 | struct list_head list; |
| 17 | struct list_head free_list; |
| 18 | struct line *line; |
| 19 | char *dev; |
| 20 | unsigned int primary:1; |
| 21 | unsigned int input:1; |
| 22 | unsigned int output:1; |
| 23 | unsigned int opened:1; |
| 24 | unsigned int enabled:1; |
| 25 | int fd; |
| 26 | const struct chan_ops *ops; |
| 27 | void *data; |
| 28 | }; |
| 29 | |
| 30 | extern void chan_interrupt(struct line *line, int irq); |
| 31 | extern int parse_chan_pair(char *str, struct line *line, int device, |
| 32 | const struct chan_opts *opts, char **error_out); |
| 33 | extern int write_chan(struct chan *chan, const char *buf, int len, |
| 34 | int write_irq); |
| 35 | extern int console_write_chan(struct chan *chan, const char *buf, |
| 36 | int len); |
| 37 | extern int console_open_chan(struct line *line, struct console *co); |
| 38 | extern void deactivate_chan(struct chan *chan, int irq); |
| 39 | extern void reactivate_chan(struct chan *chan, int irq); |
| 40 | extern void chan_enable_winch(struct chan *chan, struct tty_port *port); |
| 41 | extern int enable_chan(struct line *line); |
| 42 | extern void close_chan(struct line *line); |
| 43 | extern int chan_window_size(struct line *line, |
| 44 | unsigned short *rows_out, |
| 45 | unsigned short *cols_out); |
| 46 | extern int chan_config_string(struct line *line, char *str, int size, |
| 47 | char **error_out); |
| 48 | |
| 49 | #endif |