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