#include "linux/list.h"
#include "linux/workqueue.h"
#include "linux/tty.h"
-#include "asm/semaphore.h"
+#include "linux/interrupt.h"
+#include "linux/spinlock.h"
#include "chan_user.h"
#include "mconsole_kern.h"
struct line_driver {
char *name;
+ char *device_name;
char *devfs_name;
short major;
short minor_start;
struct list_head chan_list;
int valid;
int count;
- struct tty_struct *tty;
- struct semaphore sem;
+ /*This lock is actually, mostly, local to*/
+ spinlock_t lock;
+
+ /* Yes, this is a real circular buffer.
+ * XXX: And this should become a struct kfifo!
+ *
+ * buffer points to a buffer allocated on demand, of length
+ * LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
char *buffer;
char *head;
char *tail;
+
int sigio;
struct work_struct task;
struct line_driver *driver;
init_pri : INIT_STATIC, \
chan_list : { }, \
valid : 1, \
- count : 0, \
- tty : NULL, \
- sem : { }, \
buffer : NULL, \
head : NULL, \
tail : NULL, \
#define LINES_INIT(n) { num : n }
-extern void line_interrupt(int irq, void *data, struct pt_regs *unused);
-extern void line_write_interrupt(int irq, void *data, struct pt_regs *unused);
-extern void line_close(struct line *lines, struct tty_struct *tty);
+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, int num, char *init,
+extern int line_setup(struct line *lines, unsigned int sizeof_lines, char *init,
int all_allowed);
-extern int line_write(struct line *line, struct tty_struct *tty, int from_user,
- const char *buf, int len);
+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);
+extern void line_flush_buffer(struct tty_struct *tty);
+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 char *add_xterm_umid(char *base);
-extern int line_setup_irq(int fd, int input, int output, void *data);
+extern int line_setup_irq(int fd, int input, int output, struct tty_struct *tty);
extern void line_close_chan(struct line *line);
-extern void line_disable(struct line *line, int current_irq);
+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,
struct tty_operations *driver,
int nlines);
extern void lines_init(struct line *lines, int nlines);
extern void close_lines(struct line *lines, int nlines);
-extern int line_config(struct line *lines, int num, char *str);
-extern int line_remove(struct line *lines, int num, char *str);
-extern int line_get_config(char *dev, struct line *lines, int num, char *str,
+
+extern int line_config(struct line *lines, unsigned int sizeof_lines, char *str);
+extern int line_remove(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
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */