1f17c4e38SRuslan Bukin /*- 2f17c4e38SRuslan Bukin * SPDX-License-Identifier: BSD-2-Clause 3f17c4e38SRuslan Bukin * 4f17c4e38SRuslan Bukin * Copyright (c) 2021 Ruslan Bukin <br@bsdpad.com> 5f17c4e38SRuslan Bukin * 6f17c4e38SRuslan Bukin * This work was supported by Innovate UK project 105694, "Digital Security 7f17c4e38SRuslan Bukin * by Design (DSbD) Technology Platform Prototype". 8f17c4e38SRuslan Bukin * 9f17c4e38SRuslan Bukin * Redistribution and use in source and binary forms, with or without 10f17c4e38SRuslan Bukin * modification, are permitted provided that the following conditions 11f17c4e38SRuslan Bukin * are met: 12f17c4e38SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 13f17c4e38SRuslan Bukin * notice, this list of conditions and the following disclaimer. 14f17c4e38SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 15f17c4e38SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 16f17c4e38SRuslan Bukin * documentation and/or other materials provided with the distribution. 17f17c4e38SRuslan Bukin * 18f17c4e38SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19f17c4e38SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20f17c4e38SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21f17c4e38SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22f17c4e38SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23f17c4e38SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24f17c4e38SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25f17c4e38SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26f17c4e38SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27f17c4e38SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28f17c4e38SRuslan Bukin * SUCH DAMAGE. 29f17c4e38SRuslan Bukin */ 30f17c4e38SRuslan Bukin 31f17c4e38SRuslan Bukin #ifndef _ARM64_IOMMU_IOMMU_PMAP_H_ 32f17c4e38SRuslan Bukin #define _ARM64_IOMMU_IOMMU_PMAP_H_ 33f17c4e38SRuslan Bukin 34b97e94d9SAndrew Turner struct smmu_pmap { 35b97e94d9SAndrew Turner struct mtx sp_mtx; 36b97e94d9SAndrew Turner vm_paddr_t sp_l0_paddr; 37b97e94d9SAndrew Turner pd_entry_t *sp_l0; 38b97e94d9SAndrew Turner #ifdef INVARIANTS 39b97e94d9SAndrew Turner long sp_resident_count; 40b97e94d9SAndrew Turner #endif 41b97e94d9SAndrew Turner }; 42b97e94d9SAndrew Turner 43f17c4e38SRuslan Bukin /* System MMU (SMMU). */ 44b97e94d9SAndrew Turner int smmu_pmap_enter(struct smmu_pmap *pmap, vm_offset_t va, vm_paddr_t pa, 45b97e94d9SAndrew Turner vm_prot_t prot, u_int flags); 46b97e94d9SAndrew Turner int smmu_pmap_remove(struct smmu_pmap *pmap, vm_offset_t va); 47f17c4e38SRuslan Bukin 48f17c4e38SRuslan Bukin /* Mali GPU */ 49b97e94d9SAndrew Turner int pmap_gpu_enter(struct smmu_pmap *pmap, vm_offset_t va, vm_paddr_t pa, 50f17c4e38SRuslan Bukin vm_prot_t prot, u_int flags); 51b97e94d9SAndrew Turner int pmap_gpu_remove(struct smmu_pmap *pmap, vm_offset_t va); 52f17c4e38SRuslan Bukin 53f17c4e38SRuslan Bukin /* Common */ 54b97e94d9SAndrew Turner void smmu_pmap_remove_pages(struct smmu_pmap *pmap); 55b97e94d9SAndrew Turner void smmu_pmap_release(struct smmu_pmap *pmap); 56b97e94d9SAndrew Turner int smmu_pmap_pinit(struct smmu_pmap *pmap); 57f17c4e38SRuslan Bukin 58f17c4e38SRuslan Bukin #endif /* !_ARM64_IOMMU_IOMMU_PMAP_H_ */ 59