1/*	$NetBSD: pud_msgif.h,v 1.3 2007/11/22 11:26:27 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_PUD_PUDMSGIF_H_
32#define _DEV_PUD_PUDMSGIF_H_
33
34#include <dev/putter/putter.h>
35
36struct pud_req {
37	struct putter_hdr	pdr_pth;
38
39	dev_t			pdr_dev;
40
41	pid_t			pdr_pid;
42	lwpid_t			pdr_lid;
43
44	int			pdr_reqclass;
45	int			pdr_reqtype;
46
47	uint64_t		pdr_reqid;
48	int			pdr_rv;
49
50	size_t			pdr_len;
51	uint8_t			pdr_data[0];
52};
53
54#define PUD_REQ_CDEV	1
55#define PUD_REQ_BDEV	2
56#define PUD_REQ_CONF	3
57
58struct pud_register {
59	dev_t	pm_dev;
60};
61
62#define pud_creq_open pud_req_openclose
63#define pud_creq_close pud_req_openclose
64struct pud_req_openclose {
65	struct pud_req	pm_pdr;
66
67	int		pm_flags;
68	int		pm_fmt;
69};
70
71#define pud_creq_read pud_req_readwrite
72#define pud_creq_write pud_req_readwrite
73struct pud_req_readwrite {
74	struct pud_req	pm_pdr;
75
76	off_t		pm_offset;
77	size_t		pm_resid;
78
79	uint8_t		pm_data[0];
80};
81
82struct pud_req_ioctl {
83	struct pud_req	pm_pdr;
84
85	u_long		pm_iocmd;
86	int		pm_flag;	/* XXX: I feel like a cargo cult */
87
88	uint8_t		pm_data[0];
89};
90
91#define PUD_DEVNAME_MAX 31
92struct pud_conf_reg {
93	struct pud_req	pm_pdr;
94
95	int		pm_version;
96	dev_t		pm_regdev;
97	int		pm_flags;
98	char		pm_devname[PUD_DEVNAME_MAX+1];
99};
100#define PUD_CONFFLAG_BDEV	1
101
102#define PUD_DEVELVERSION	0x80000000
103#define PUD_VERSION		1
104
105enum {
106	PUD_CDEV_OPEN,	PUD_CDEV_CLOSE,	PUD_CDEV_READ,	PUD_CDEV_WRITE,
107	PUD_CDEV_IOCTL,	PUD_CDEV_POLL,	PUD_CDEV_MMAP,	PUD_CDEV_KQFILTER,
108	PUD_CDEV_STOP,	PUD_CDEV_TTY,
109};
110
111enum {
112	PUD_BDEV_OPEN,	PUD_BDEV_CLOSE, PUD_BDEV_STRATREAD, PUD_BDEV_STRATWRITE,
113	PUD_BDEV_IOCTL,	PUD_BDEV_DUMP,	PUD_BDEV_PSIZE,
114};
115
116enum {
117	PUD_CONF_REG,	PUD_CONF_DEREG,	PUD_CONF_MMAP,
118};
119
120#endif /* _DEV_PUD_PUDMSGIF_H_ */
121