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chan_kern.h

chan_kern.h 1.5 KB
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  1. /* 
    2. 

  2.  * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
    3. 

  3.  * Licensed under the GPL
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef __CHAN_KERN_H__
    7. 

  7. #define __CHAN_KERN_H__
    8. 

  8. 

  9. #include "linux/tty.h"
    10. 

  10. #include "linux/list.h"
    11. 

  11. #include "linux/console.h"
    12. 

  12. #include "chan_user.h"
    13. 

  13. #include "line.h"
    14. 

  14. 

  15. struct chan {
    16. 

  16. 	struct list_head list;
    17. 

  17. 	struct list_head free_list;
    18. 

  18. 	struct line *line;
    19. 

  19. 	char *dev;
    20. 

  20. 	unsigned int primary:1;
    21. 

  21. 	unsigned int input:1;
    22. 

  22. 	unsigned int output:1;
    23. 

  23. 	unsigned int opened:1;
    24. 

  24. 	unsigned int enabled:1;
    25. 

  25. 	int fd;
    26. 

  26. 	const struct chan_ops *ops;
    27. 

  27. 	void *data;
    28. 

  28. };
    29. 

  29. 

  30. extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
    31. 

  31. 			   struct tty_struct *tty, int irq);
    32. 

  32. extern int parse_chan_pair(char *str, struct line *line, int device,
    33. 

  33. 			   const struct chan_opts *opts, char **error_out);
    34. 

  34. extern int write_chan(struct list_head *chans, const char *buf, int len,
    35. 

  35. 			     int write_irq);
    36. 

  36. extern int console_write_chan(struct list_head *chans, const char *buf, 
    37. 

  37. 			      int len);
    38. 

  38. extern int console_open_chan(struct line *line, struct console *co);
    39. 

  39. extern void deactivate_chan(struct list_head *chans, int irq);
    40. 

  40. extern void reactivate_chan(struct list_head *chans, int irq);
    41. 

  41. extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
    42. 

  42. extern int enable_chan(struct line *line);
    43. 

  43. extern void close_chan(struct list_head *chans, int delay_free_irq);
    44. 

  44. extern int chan_window_size(struct list_head *chans, 
    45. 

  45. 			     unsigned short *rows_out, 
    46. 

  46. 			     unsigned short *cols_out);
    47. 

  47. extern int chan_config_string(struct list_head *chans, char *str, int size,
    48. 

  48. 			      char **error_out);
    49. 

  49. 

  50. #endif
    51.