1/*-
2 * Copyright (c) 2014, 2015 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/11.0/sys/dev/proto/proto_dev.h 285074 2015-07-03 05:44:58Z marcel $
27 */
28
29#ifndef _DEV_PROTO_DEV_H_
30#define _DEV_PROTO_DEV_H_
31
32#include <sys/ioccom.h>
33
34#define	PROTO_IOC_CLASS	'h'
35
36struct proto_ioc_region {
37	unsigned long	address;
38	unsigned long	size;
39};
40
41#define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region)
42
43struct proto_ioc_busdma {
44	unsigned int	request;
45#define	PROTO_IOC_BUSDMA_TAG_CREATE	1
46#define	PROTO_IOC_BUSDMA_TAG_DERIVE	2
47#define	PROTO_IOC_BUSDMA_TAG_DESTROY	3
48#define	PROTO_IOC_BUSDMA_MEM_ALLOC	10
49#define	PROTO_IOC_BUSDMA_MEM_FREE	11
50#define	PROTO_IOC_BUSDMA_MD_CREATE	20
51#define	PROTO_IOC_BUSDMA_MD_DESTROY	21
52#define	PROTO_IOC_BUSDMA_MD_LOAD	22
53#define	PROTO_IOC_BUSDMA_MD_UNLOAD	29
54#define	PROTO_IOC_BUSDMA_SYNC		30
55	unsigned long	key;
56	union {
57		struct {
58			unsigned long	align;
59			unsigned long	bndry;
60			unsigned long	maxaddr;
61			unsigned long	maxsz;
62			unsigned long	maxsegsz;
63			unsigned int	nsegs;
64			unsigned int	datarate;
65			unsigned int	flags;
66		} tag;
67		struct {
68			unsigned long	tag;
69			unsigned int	flags;
70			unsigned long	virt_addr;
71			unsigned long	virt_size;
72			unsigned int	phys_nsegs;
73			unsigned long	phys_addr;
74			unsigned long	bus_addr;
75			unsigned int	bus_nsegs;
76		} md;
77		struct {
78			unsigned int	op;
79			unsigned long	base;
80			unsigned long	size;
81		} sync;
82	} u;
83	unsigned long	result;
84};
85
86#define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma)
87
88#endif /* _DEV_PROTO_H_ */
89