1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26#ifndef	_PHYSMEM_H
27#define	_PHYSMEM_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#ifdef	__cplusplus
32extern "C" {
33#endif
34
35/* ioctl values */
36#define	PHYSMEM_SETUP 1
37#define	PHYSMEM_MAP 2
38#define	PHYSMEM_DESTROY 3
39
40/* flags values */
41#define	PHYSMEM_CAGE	(1 << 0)
42#define	PHYSMEM_RETIRED	(1 << 1)
43
44struct physmem_setup_param {
45	uint64_t req_paddr;	/* requested physical address */
46	uint64_t len;		/* length of memory to be allocated */
47	uint64_t user_va;	/* VA to associate with req_paddr */
48	uint64_t cookie;	/* cookie returned for destroy function */
49};
50
51struct physmem_map_param {
52	uint64_t req_paddr;	/* requested physical address */
53	uint64_t ret_va;	/* VA which mapped req_paddr */
54	uint32_t flags;		/* flags for cage or retired pages */
55};
56
57#ifdef	__cplusplus
58}
59#endif
60
61#endif	/* _PHYSMEM_H */
62