1/*	$NetBSD: pud_msgif.h,v 1.4 2007/11/28 16:59:02 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_ */