projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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; | |
| 165dc591 JD |
17 | struct list_head free_list; |
| 18 | struct line *line; | |
| 1da177e4 LT |
19 | char *dev; |
| 20 | unsigned int primary:1; | |
| 21 | unsigned int input:1; | |
| 22 | unsigned int output:1; | |
| 23 | unsigned int opened:1; | |
| 165dc591 | 24 | unsigned int enabled:1; |
| 1da177e4 | 25 | int fd; |
| 5e7672ec | 26 | const struct chan_ops *ops; |
| 1da177e4 LT |
27 | void *data; |
| 28 | }; | |
| 29 | ||
| a2ce7740 | 30 | extern void chan_interrupt(struct list_head *chans, struct delayed_work *task, |
| 1da177e4 | 31 | struct tty_struct *tty, int irq); |
| 165dc591 | 32 | extern int parse_chan_pair(char *str, struct line *line, int device, |
| f28169d2 | 33 | const struct chan_opts *opts, char **error_out); |
| 1da177e4 LT |
34 | extern int open_chan(struct list_head *chans); |
| 35 | extern int write_chan(struct list_head *chans, const char *buf, int len, | |
| 36 | int write_irq); | |
| 37 | extern int console_write_chan(struct list_head *chans, const char *buf, | |
| 38 | int len); | |
| a52f362f | 39 | extern int console_open_chan(struct line *line, struct console *co); |
| e4dcee80 JD |
40 | extern void deactivate_chan(struct list_head *chans, int irq); |
| 41 | extern void reactivate_chan(struct list_head *chans, int irq); | |
| 1da177e4 | 42 | extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); |
| 165dc591 JD |
43 | extern void enable_chan(struct line *line); |
| 44 | extern void close_chan(struct list_head *chans, int delay_free_irq); | |
| 1da177e4 LT |
45 | extern int chan_window_size(struct list_head *chans, |
| 46 | unsigned short *rows_out, | |
| 47 | unsigned short *cols_out); | |
| 48 | extern int chan_out_fd(struct list_head *chans); | |
| 49 | extern int chan_config_string(struct list_head *chans, char *str, int size, | |
| 50 | char **error_out); | |
| 51 | ||
| 52 | #endif |