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