xref: /freebsd/sys/dev/iommu/iommu_msi.h (revision f32f0095e9da8188a3865aaa310f547ee9e0c20b)
1e707c8beSRuslan Bukin /*-
2e707c8beSRuslan Bukin  * SPDX-License-Identifier: BSD-2-Clause
3e707c8beSRuslan Bukin  *
4e707c8beSRuslan Bukin  * Copyright (c) 2020 Andrew Turner
5e707c8beSRuslan Bukin  *
6e707c8beSRuslan Bukin  * This work was supported by Innovate UK project 105694, "Digital Security
7e707c8beSRuslan Bukin  * by Design (DSbD) Technology Platform Prototype".
8e707c8beSRuslan Bukin  *
9e707c8beSRuslan Bukin  * Redistribution and use in source and binary forms, with or without
10e707c8beSRuslan Bukin  * modification, are permitted provided that the following conditions
11e707c8beSRuslan Bukin  * are met:
12e707c8beSRuslan Bukin  * 1. Redistributions of source code must retain the above copyright
13e707c8beSRuslan Bukin  *    notice, this list of conditions and the following disclaimer.
14e707c8beSRuslan Bukin  * 2. Redistributions in binary form must reproduce the above copyright
15e707c8beSRuslan Bukin  *    notice, this list of conditions and the following disclaimer in the
16e707c8beSRuslan Bukin  *    documentation and/or other materials provided with the distribution.
17e707c8beSRuslan Bukin  *
18e707c8beSRuslan Bukin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19e707c8beSRuslan Bukin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20e707c8beSRuslan Bukin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21e707c8beSRuslan Bukin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22e707c8beSRuslan Bukin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23e707c8beSRuslan Bukin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24e707c8beSRuslan Bukin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25e707c8beSRuslan Bukin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26e707c8beSRuslan Bukin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27e707c8beSRuslan Bukin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28e707c8beSRuslan Bukin  * SUCH DAMAGE.
29e707c8beSRuslan Bukin  *
30e707c8beSRuslan Bukin  * $FreeBSD$
31e707c8beSRuslan Bukin  */
32e707c8beSRuslan Bukin 
33e707c8beSRuslan Bukin #ifndef _DEV_IOMMU_IOMMU_MSI_H_
34e707c8beSRuslan Bukin #define _DEV_IOMMU_IOMMU_MSI_H_
35e707c8beSRuslan Bukin 
36e707c8beSRuslan Bukin #include <dev/iommu/iommu_types.h>
37e707c8beSRuslan Bukin 
38e707c8beSRuslan Bukin struct iommu_unit;
39e707c8beSRuslan Bukin struct iommu_domain;
40e707c8beSRuslan Bukin struct iommu_ctx;
41e707c8beSRuslan Bukin 
42e707c8beSRuslan Bukin void iommu_translate_msi(struct iommu_domain *domain, uint64_t *addr);
43e707c8beSRuslan Bukin int iommu_map_msi(struct iommu_ctx *ctx, iommu_gaddr_t size, int offset,
44e707c8beSRuslan Bukin     u_int eflags, u_int flags, vm_page_t *ma);
45*f32f0095SRuslan Bukin void iommu_unmap_msi(struct iommu_ctx *ctx);
46e707c8beSRuslan Bukin 
47e707c8beSRuslan Bukin #endif /* !_DEV_IOMMU_IOMMU_MSI_H_ */
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