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
27#ifndef _DEV_PROTO_DEV_H_
28#define _DEV_PROTO_DEV_H_
29
30#include <sys/ioccom.h>
31
32#define	PROTO_IOC_CLASS	'h'
33
34struct proto_ioc_region {
35	unsigned long	address;
36	unsigned long	size;
37};
38
39#define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region)
40
41struct proto_ioc_busdma {
42	unsigned int	request;
43#define	PROTO_IOC_BUSDMA_TAG_CREATE	1
44#define	PROTO_IOC_BUSDMA_TAG_DERIVE	2
45#define	PROTO_IOC_BUSDMA_TAG_DESTROY	3
46#define	PROTO_IOC_BUSDMA_MEM_ALLOC	10
47#define	PROTO_IOC_BUSDMA_MEM_FREE	11
48#define	PROTO_IOC_BUSDMA_MD_CREATE	20
49#define	PROTO_IOC_BUSDMA_MD_DESTROY	21
50#define	PROTO_IOC_BUSDMA_MD_LOAD	22
51#define	PROTO_IOC_BUSDMA_MD_UNLOAD	29
52#define	PROTO_IOC_BUSDMA_SYNC		30
53	unsigned long	key;
54	union {
55		struct {
56			unsigned long	align;
57			unsigned long	bndry;
58			unsigned long	maxaddr;
59			unsigned long	maxsz;
60			unsigned long	maxsegsz;
61			unsigned int	nsegs;
62			unsigned int	datarate;
63			unsigned int	flags;
64		} tag;
65		struct {
66			unsigned long	tag;
67			unsigned int	flags;
68			unsigned long	virt_addr;
69			unsigned long	virt_size;
70			unsigned int	phys_nsegs;
71			unsigned long	phys_addr;
72			unsigned long	bus_addr;
73			unsigned int	bus_nsegs;
74		} md;
75		struct {
76			unsigned int	op;
77			unsigned long	base;
78			unsigned long	size;
79		} sync;
80	} u;
81	unsigned long	result;
82};
83
84#define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma)
85
86#endif /* _DEV_PROTO_H_ */
87