1/*	$NetBSD: putter_sys.h,v 1.2 2007/11/12 17:42:13 pooka Exp $	*/
2
3/*
4 * Copyright (c) 2007  Antti Kantee.  All Rights Reserved.
5 *
6 * Development of this software was supported by the
7 * Research Foundation of Helsinki University of Technology
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef _DEV_PUTTER_PUTTERSYS_H_
32#define _DEV_PUTTER_PUTTERSYS_H_
33
34#include <sys/param.h>
35#include <sys/proc.h>
36
37#include <dev/putter/putter.h>
38
39/*
40 * Configuration data.
41 *
42 * Users of putter currently must be registered statically.  This sucks,
43 * I know, but what are you going to do since you need static allocation
44 * for /dev nodes anyway.  Ok, we could be slightly more forgiving about
45 * this, but let's just wait for devfs for now.
46 */
47#define	PUTTER_MINOR_WILDCARD	0
48#define	PUTTER_MINOR_PUD	1
49#define	PUTTER_MINOR_COMPAT	0x7ffff		/* will die sometime soon */
50
51struct putter_ops {
52	int	(*pop_getout)(void *, size_t, int, uint8_t **,size_t *,void **);
53	void	(*pop_releaseout)(void *, void *, int);
54	size_t	(*pop_waitcount)(void *);
55	int	(*pop_dispatch)(void *, struct putter_hdr *);
56	int	(*pop_close)(void *);
57};
58
59typedef	int (*putter_config_fn)(int, int, int);
60
61struct putter_instance;
62struct putter_instance	*putter_attach(pid_t, int, void *,
63				       struct putter_ops *);
64void			putter_detach(struct putter_instance *);
65void			putter_notify(struct putter_instance *);
66int			putter_register(putter_config_fn, int);
67
68#endif /* _DEV_PUTTER_PUTTERSYS_H_ */
69