1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013 The FreeBSD Foundation
5 * All rights reserved.
6 *
7 * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD$
32 */
33
34#ifndef _DEV_IOMMU_IOMMU_GAS_H_
35#define _DEV_IOMMU_IOMMU_GAS_H_
36
37/* Map flags */
38#define	IOMMU_MF_CANWAIT	0x0001
39#define	IOMMU_MF_CANSPLIT	0x0002
40#define	IOMMU_MF_RMRR		0x0004
41
42#define	IOMMU_PGF_WAITOK	0x0001
43#define	IOMMU_PGF_ZERO		0x0002
44#define	IOMMU_PGF_ALLOC		0x0004
45#define	IOMMU_PGF_NOALLOC	0x0008
46#define	IOMMU_PGF_OBJL		0x0010
47
48#define	IOMMU_MAP_ENTRY_PLACE	0x0001	/* Fake entry */
49#define	IOMMU_MAP_ENTRY_RMRR	0x0002	/* Permanent, not linked by
50					   dmamap_link */
51#define	IOMMU_MAP_ENTRY_MAP	0x0004	/* Busdma created, linked by
52					   dmamap_link */
53#define	IOMMU_MAP_ENTRY_UNMAPPED	0x0010	/* No backing pages */
54#define	IOMMU_MAP_ENTRY_QI_NF	0x0020	/* qi task, do not free entry */
55#define	IOMMU_MAP_ENTRY_READ	0x1000	/* Read permitted */
56#define	IOMMU_MAP_ENTRY_WRITE	0x2000	/* Write permitted */
57#define	IOMMU_MAP_ENTRY_SNOOP	0x4000	/* Snoop */
58#define	IOMMU_MAP_ENTRY_TM	0x8000	/* Transient */
59
60#endif /* !_DEV_IOMMU_IOMMU_GAS_H_ */
61