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busdma_iommu.c
(30.46 KB)
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busdma_iommu.h
(2.2 KB)
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iommu.h
(8.27 KB)
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iommu_gas.c
(25.24 KB)
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iommu_gas.h
(2.45 KB)
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iommu_msi.h
(1.91 KB)
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iommu_types.h
(1.79 KB)
Editing: busdma_iommu.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2013 The FreeBSD Foundation * All rights reserved. * * This software was developed by Konstantin Belousov <kib@FreeBSD.org> * under sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef __X86_IOMMU_BUSDMA_DMAR_H #define __X86_IOMMU_BUSDMA_DMAR_H #include <dev/iommu/iommu.h> #include <dev/iommu/iommu_gas.h> struct bus_dma_tag_iommu { struct bus_dma_tag_common common; struct iommu_ctx *ctx; device_t owner; int map_count; bus_dma_segment_t *segments; }; struct bus_dmamap_iommu { struct bus_dma_tag_iommu *tag; struct memdesc mem; bus_dmamap_callback_t *callback; void *callback_arg; struct iommu_map_entries_tailq map_entries; TAILQ_ENTRY(bus_dmamap_iommu) delay_link; bool locked; bool cansleep; int flags; }; #define BUS_DMAMAP_IOMMU_MALLOC 0x0001 #define BUS_DMAMAP_IOMMU_KMEM_ALLOC 0x0002 extern struct bus_dma_impl bus_dma_iommu_impl; #endif
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