/*-
* 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
