59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2013 The FreeBSD Foundation
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*
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* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _DEV_IOMMU_IOMMU_GAS_H_
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#define _DEV_IOMMU_IOMMU_GAS_H_
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/* Map flags */
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#define IOMMU_MF_CANWAIT 0x0001
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#define IOMMU_MF_CANSPLIT 0x0002
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#define IOMMU_MF_RMRR 0x0004
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#define IOMMU_PGF_WAITOK 0x0001
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#define IOMMU_PGF_ZERO 0x0002
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#define IOMMU_PGF_ALLOC 0x0004
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#define IOMMU_PGF_NOALLOC 0x0008
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#define IOMMU_PGF_OBJL 0x0010
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#define IOMMU_MAP_ENTRY_PLACE 0x0001 /* Fake entry */
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#define IOMMU_MAP_ENTRY_RMRR 0x0002 /* Permanent, not linked by
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dmamap_link */
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#define IOMMU_MAP_ENTRY_MAP 0x0004 /* Busdma created, linked by
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dmamap_link */
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#define IOMMU_MAP_ENTRY_UNMAPPED 0x0010 /* No backing pages */
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#define IOMMU_MAP_ENTRY_REMOVING 0x0020 /* In process of removal by
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iommu_gas_remove() */
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#define IOMMU_MAP_ENTRY_READ 0x1000 /* Read permitted */
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#define IOMMU_MAP_ENTRY_WRITE 0x2000 /* Write permitted */
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#define IOMMU_MAP_ENTRY_SNOOP 0x4000 /* Snoop */
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#define IOMMU_MAP_ENTRY_TM 0x8000 /* Transient */
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#endif /* !_DEV_IOMMU_IOMMU_GAS_H_ */
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