2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 The FreeBSD Foundation
7 * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
34 #ifndef _DEV_IOMMU_IOMMU_GAS_H_
35 #define _DEV_IOMMU_IOMMU_GAS_H_
38 #define IOMMU_MF_CANWAIT 0x0001
39 #define IOMMU_MF_CANSPLIT 0x0002
40 #define IOMMU_MF_RMRR 0x0004
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
48 #define IOMMU_MAP_ENTRY_PLACE 0x0001 /* Fake entry */
49 #define IOMMU_MAP_ENTRY_RMRR 0x0002 /* Permanent, not linked by
51 #define IOMMU_MAP_ENTRY_MAP 0x0004 /* Busdma created, linked by
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 */
60 #endif /* !_DEV_IOMMU_IOMMU_GAS_H_ */