1257251Skib/*- 2257251Skib * Copyright (c) 2013 The FreeBSD Foundation 3257251Skib * All rights reserved. 4257251Skib * 5257251Skib * This software was developed by Konstantin Belousov <kib@FreeBSD.org> 6257251Skib * under sponsorship from the FreeBSD Foundation. 7257251Skib * 8257251Skib * Redistribution and use in source and binary forms, with or without 9257251Skib * modification, are permitted provided that the following conditions 10257251Skib * are met: 11257251Skib * 1. Redistributions of source code must retain the above copyright 12257251Skib * notice, this list of conditions and the following disclaimer. 13257251Skib * 2. Redistributions in binary form must reproduce the above copyright 14257251Skib * notice, this list of conditions and the following disclaimer in the 15257251Skib * documentation and/or other materials provided with the distribution. 16257251Skib * 17257251Skib * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18257251Skib * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19257251Skib * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20257251Skib * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21257251Skib * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22257251Skib * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23257251Skib * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24257251Skib * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25257251Skib * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26257251Skib * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27257251Skib * SUCH DAMAGE. 28257251Skib * 29257251Skib * $FreeBSD$ 30257251Skib */ 31257251Skib 32257251Skib#ifndef __X86_IOMMU_BUSDMA_DMAR_H 33257251Skib#define __X86_IOMMU_BUSDMA_DMAR_H 34257251Skib 35257251Skibstruct dmar_map_entry; 36257251SkibTAILQ_HEAD(dmar_map_entries_tailq, dmar_map_entry); 37257251Skib 38257251Skibstruct bus_dma_tag_dmar { 39257251Skib struct bus_dma_tag_common common; 40257251Skib struct dmar_ctx *ctx; 41257251Skib device_t owner; 42257251Skib int map_count; 43257251Skib bus_dma_segment_t *segments; 44257251Skib}; 45257251Skib 46257251Skibstruct bus_dmamap_dmar { 47257251Skib struct bus_dma_tag_dmar *tag; 48257251Skib struct memdesc mem; 49257251Skib bus_dmamap_callback_t *callback; 50257251Skib void *callback_arg; 51257251Skib struct dmar_map_entries_tailq map_entries; 52257251Skib TAILQ_ENTRY(bus_dmamap_dmar) delay_link; 53257251Skib bool locked; 54257251Skib bool cansleep; 55257251Skib int flags; 56257251Skib}; 57257251Skib 58257251Skib#define BUS_DMAMAP_DMAR_MALLOC 0x0001 59257251Skib#define BUS_DMAMAP_DMAR_KMEM_ALLOC 0x0002 60257251Skib 61257251Skibextern struct bus_dma_impl bus_dma_dmar_impl; 62257251Skib 63257251Skibbus_dma_tag_t dmar_get_dma_tag(device_t dev, device_t child); 64257251Skib 65257251Skib#endif 66