um: take chan_*.h and line.h to arch/um/drivers
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Al Viro
committed by
Richard Weinberger
Richard Weinberger
parent
17e052093b
commit
510c72a3cf
@ -1,50 +0,0 @@
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/*
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* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __CHAN_KERN_H__
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#define __CHAN_KERN_H__
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#include "linux/tty.h"
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#include "linux/list.h"
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#include "linux/console.h"
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#include "chan_user.h"
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#include "line.h"
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struct chan {
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struct list_head list;
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struct list_head free_list;
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struct line *line;
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char *dev;
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unsigned int primary:1;
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unsigned int input:1;
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unsigned int output:1;
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unsigned int opened:1;
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unsigned int enabled:1;
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int fd;
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const struct chan_ops *ops;
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void *data;
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};
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extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
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struct tty_struct *tty, int irq);
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extern int parse_chan_pair(char *str, struct line *line, int device,
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const struct chan_opts *opts, char **error_out);
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extern int write_chan(struct list_head *chans, const char *buf, int len,
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int write_irq);
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extern int console_write_chan(struct list_head *chans, const char *buf,
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int len);
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extern int console_open_chan(struct line *line, struct console *co);
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extern void deactivate_chan(struct list_head *chans, int irq);
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extern void reactivate_chan(struct list_head *chans, int irq);
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extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
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extern int enable_chan(struct line *line);
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extern void close_chan(struct list_head *chans, int delay_free_irq);
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extern int chan_window_size(struct list_head *chans,
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unsigned short *rows_out,
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unsigned short *cols_out);
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extern int chan_config_string(struct list_head *chans, char *str, int size,
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char **error_out);
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#endif
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@ -1,55 +0,0 @@
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/*
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* Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __CHAN_USER_H__
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#define __CHAN_USER_H__
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#include "init.h"
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struct chan_opts {
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void (*const announce)(char *dev_name, int dev);
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char *xterm_title;
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const int raw;
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};
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enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
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struct chan_ops {
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char *type;
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void *(*init)(char *, int, const struct chan_opts *);
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int (*open)(int, int, int, void *, char **);
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void (*close)(int, void *);
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int (*read)(int, char *, void *);
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int (*write)(int, const char *, int, void *);
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int (*console_write)(int, const char *, int);
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int (*window_size)(int, void *, unsigned short *, unsigned short *);
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void (*free)(void *);
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int winch;
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};
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extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops,
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tty_ops, xterm_ops;
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extern void generic_close(int fd, void *unused);
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extern int generic_read(int fd, char *c_out, void *unused);
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extern int generic_write(int fd, const char *buf, int n, void *unused);
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extern int generic_console_write(int fd, const char *buf, int n);
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extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
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unsigned short *cols_out);
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extern void generic_free(void *data);
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struct tty_struct;
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extern void register_winch(int fd, struct tty_struct *tty);
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extern void register_winch_irq(int fd, int tty_fd, int pid,
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struct tty_struct *tty, unsigned long stack);
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#define __channel_help(fn, prefix) \
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__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
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" Attach a console or serial line to a host channel. See\n" \
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" http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \
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" description of this switch.\n\n" \
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);
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#endif
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@ -1,106 +0,0 @@
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/*
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* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __LINE_H__
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#define __LINE_H__
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#include "linux/list.h"
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#include "linux/workqueue.h"
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#include "linux/tty.h"
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#include "linux/interrupt.h"
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#include "linux/spinlock.h"
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#include "linux/mutex.h"
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#include "chan_user.h"
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#include "mconsole_kern.h"
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/* There's only one modifiable field in this - .mc.list */
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struct line_driver {
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const char *name;
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const char *device_name;
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const short major;
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const short minor_start;
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const short type;
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const short subtype;
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const int read_irq;
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const char *read_irq_name;
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const int write_irq;
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const char *write_irq_name;
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struct mc_device mc;
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};
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struct line {
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struct tty_struct *tty;
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spinlock_t count_lock;
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unsigned long count;
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int valid;
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char *init_str;
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int init_pri;
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struct list_head chan_list;
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/*This lock is actually, mostly, local to*/
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spinlock_t lock;
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int throttled;
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/* Yes, this is a real circular buffer.
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* XXX: And this should become a struct kfifo!
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*
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* buffer points to a buffer allocated on demand, of length
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* LINE_BUFSIZE, head to the start of the ring, tail to the end.*/
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char *buffer;
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char *head;
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char *tail;
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int sigio;
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struct delayed_work task;
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const struct line_driver *driver;
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int have_irq;
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};
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#define LINE_INIT(str, d) \
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{ .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \
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.init_str = str, \
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.init_pri = INIT_STATIC, \
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.valid = 1, \
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.lock = __SPIN_LOCK_UNLOCKED((str).lock), \
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.driver = d }
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extern void line_close(struct tty_struct *tty, struct file * filp);
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extern int line_open(struct line *lines, struct tty_struct *tty);
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extern int line_setup(struct line *lines, unsigned int sizeof_lines,
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char *init, char **error_out);
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extern int line_write(struct tty_struct *tty, const unsigned char *buf,
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int len);
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extern int line_put_char(struct tty_struct *tty, unsigned char ch);
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extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
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extern int line_chars_in_buffer(struct tty_struct *tty);
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extern void line_flush_buffer(struct tty_struct *tty);
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extern void line_flush_chars(struct tty_struct *tty);
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extern int line_write_room(struct tty_struct *tty);
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extern int line_ioctl(struct tty_struct *tty, unsigned int cmd,
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unsigned long arg);
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extern void line_throttle(struct tty_struct *tty);
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extern void line_unthrottle(struct tty_struct *tty);
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extern char *add_xterm_umid(char *base);
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extern int line_setup_irq(int fd, int input, int output, struct line *line,
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void *data);
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extern void line_close_chan(struct line *line);
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extern struct tty_driver *register_lines(struct line_driver *line_driver,
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const struct tty_operations *driver,
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struct line *lines, int nlines);
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extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
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extern void close_lines(struct line *lines, int nlines);
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extern int line_config(struct line *lines, unsigned int sizeof_lines,
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char *str, const struct chan_opts *opts,
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char **error_out);
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extern int line_id(char **str, int *start_out, int *end_out);
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extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n,
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char **error_out);
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extern int line_get_config(char *dev, struct line *lines,
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unsigned int sizeof_lines, char *str,
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int size, char **error_out);
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#endif
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