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Diffstat (limited to 'arch/um/include/line.h')
-rw-r--r--arch/um/include/line.h37
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 5323d22a6ca7..6f4d680dc1d4 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -32,11 +32,13 @@ struct line_driver {
};
struct line {
+ struct tty_struct *tty;
char *init_str;
int init_pri;
struct list_head chan_list;
int valid;
int count;
+ int throttled;
/*This lock is actually, mostly, local to*/
spinlock_t lock;
@@ -58,14 +60,15 @@ struct line {
#define LINE_INIT(str, d) \
{ init_str : str, \
init_pri : INIT_STATIC, \
- chan_list : { }, \
valid : 1, \
+ throttled : 0, \
+ lock : SPIN_LOCK_UNLOCKED, \
buffer : NULL, \
head : NULL, \
tail : NULL, \
sigio : 0, \
- driver : d, \
- have_irq : 0 }
+ driver : d, \
+ have_irq : 0 }
struct lines {
int num;
@@ -74,11 +77,11 @@ struct lines {
#define LINES_INIT(n) { num : n }
extern void line_close(struct tty_struct *tty, struct file * filp);
-extern int line_open(struct line *lines, struct tty_struct *tty,
- struct chan_opts *opts);
-extern int line_setup(struct line *lines, unsigned int sizeof_lines, char *init,
- int all_allowed);
-extern int line_write(struct tty_struct *tty, const unsigned char *buf, int len);
+extern int line_open(struct line *lines, struct tty_struct *tty);
+extern int line_setup(struct line *lines, unsigned int sizeof_lines,
+ char *init);
+extern int line_write(struct tty_struct *tty, const unsigned char *buf,
+ int len);
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
extern void line_set_termios(struct tty_struct *tty, struct termios * old);
extern int line_chars_in_buffer(struct tty_struct *tty);
@@ -87,23 +90,27 @@ extern void line_flush_chars(struct tty_struct *tty);
extern int line_write_room(struct tty_struct *tty);
extern int line_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg);
+extern void line_throttle(struct tty_struct *tty);
+extern void line_unthrottle(struct tty_struct *tty);
extern char *add_xterm_umid(char *base);
-extern int line_setup_irq(int fd, int input, int output, struct tty_struct *tty);
+extern int line_setup_irq(int fd, int input, int output, struct line *line,
+ void *data);
extern void line_close_chan(struct line *line);
-extern void line_disable(struct tty_struct *tty, int current_irq);
-extern struct tty_driver * line_register_devfs(struct lines *set,
- struct line_driver *line_driver,
+extern struct tty_driver * line_register_devfs(struct lines *set,
+ struct line_driver *line_driver,
struct tty_operations *driver,
struct line *lines,
int nlines);
-extern void lines_init(struct line *lines, int nlines);
+extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
extern void close_lines(struct line *lines, int nlines);
-extern int line_config(struct line *lines, unsigned int sizeof_lines, char *str);
+extern int line_config(struct line *lines, unsigned int sizeof_lines,
+ char *str, struct chan_opts *opts);
extern int line_id(char **str, int *start_out, int *end_out);
extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
-extern int line_get_config(char *dev, struct line *lines, unsigned int sizeof_lines, char *str,
+extern int line_get_config(char *dev, struct line *lines,
+ unsigned int sizeof_lines, char *str,
int size, char **error_out);
#endif