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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 2000 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#ifndef _SYS_IOMMUTSB_H
28#define	_SYS_IOMMUTSB_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include <sys/types.h>
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38#ifdef _KERNEL
39
40/*
41 * IOMMU TSB allocation.
42 */
43
44/* These four function comprise the interface for the nexus drivers. */
45#define	IOMMU_TSB_COOKIE_NONE	((uint16_t)-1)
46extern uint16_t iommu_tsb_alloc(uint16_t);
47extern void iommu_tsb_free(uint16_t);
48extern uint64_t *iommu_tsb_cookie_to_va(uint16_t);
49extern uint_t iommu_tsb_cookie_to_size(uint16_t);
50
51/* iommu_tsb_init() is called during startup. */
52extern caddr_t iommu_tsb_init(caddr_t);
53
54#endif /* _KERNEL */
55
56#ifdef __cplusplus
57}
58#endif
59
60#endif	/* _SYS_IOMMUTSB_H */
61