14c87aefeSPatrick Mooney /*- 2*32640292SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 34c87aefeSPatrick Mooney * 44c87aefeSPatrick Mooney * Copyright (c) 2011 NetApp, Inc. 54c87aefeSPatrick Mooney * All rights reserved. 64c87aefeSPatrick Mooney * 74c87aefeSPatrick Mooney * Redistribution and use in source and binary forms, with or without 84c87aefeSPatrick Mooney * modification, are permitted provided that the following conditions 94c87aefeSPatrick Mooney * are met: 104c87aefeSPatrick Mooney * 1. Redistributions of source code must retain the above copyright 114c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer. 124c87aefeSPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright 134c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer in the 144c87aefeSPatrick Mooney * documentation and/or other materials provided with the distribution. 154c87aefeSPatrick Mooney * 164c87aefeSPatrick Mooney * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 174c87aefeSPatrick Mooney * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 184c87aefeSPatrick Mooney * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 194c87aefeSPatrick Mooney * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 204c87aefeSPatrick Mooney * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 214c87aefeSPatrick Mooney * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 224c87aefeSPatrick Mooney * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 234c87aefeSPatrick Mooney * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 244c87aefeSPatrick Mooney * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 254c87aefeSPatrick Mooney * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 264c87aefeSPatrick Mooney * SUCH DAMAGE. 274c87aefeSPatrick Mooney */ 28e760f150SPatrick Mooney /* 29e760f150SPatrick Mooney * This file and its contents are supplied under the terms of the 30e760f150SPatrick Mooney * Common Development and Distribution License ("CDDL"), version 1.0. 31e760f150SPatrick Mooney * You may only use this file in accordance with the terms of version 32e760f150SPatrick Mooney * 1.0 of the CDDL. 33e760f150SPatrick Mooney * 34e760f150SPatrick Mooney * A full copy of the text of the CDDL should have accompanied this 35e760f150SPatrick Mooney * source. A copy of the CDDL is also available via the Internet at 36e760f150SPatrick Mooney * http://www.illumos.org/license/CDDL. 37e760f150SPatrick Mooney * 38e760f150SPatrick Mooney * Copyright 2022 Oxide Computer Company 39e760f150SPatrick Mooney */ 404c87aefeSPatrick Mooney 414c87aefeSPatrick Mooney #ifndef _IO_IOMMU_H_ 424c87aefeSPatrick Mooney #define _IO_IOMMU_H_ 434c87aefeSPatrick Mooney 444c87aefeSPatrick Mooney typedef int (*iommu_init_func_t)(void); 454c87aefeSPatrick Mooney typedef void (*iommu_cleanup_func_t)(void); 464c87aefeSPatrick Mooney typedef void (*iommu_enable_func_t)(void); 474c87aefeSPatrick Mooney typedef void (*iommu_disable_func_t)(void); 484c87aefeSPatrick Mooney typedef void *(*iommu_create_domain_t)(vm_paddr_t maxaddr); 494c87aefeSPatrick Mooney typedef void (*iommu_destroy_domain_t)(void *domain); 504c87aefeSPatrick Mooney typedef uint64_t (*iommu_create_mapping_t)(void *domain, vm_paddr_t gpa, 512699b94cSPatrick Mooney vm_paddr_t hpa, uint64_t len); 524c87aefeSPatrick Mooney typedef uint64_t (*iommu_remove_mapping_t)(void *domain, vm_paddr_t gpa, 532699b94cSPatrick Mooney uint64_t len); 544c87aefeSPatrick Mooney typedef void (*iommu_add_device_t)(void *domain, uint16_t rid); 55e760f150SPatrick Mooney typedef void (*iommu_remove_device_t)(void *domain, uint16_t rid); 56e760f150SPatrick Mooney typedef void (*iommu_invalidate_tlb_t)(void *domain); 574c87aefeSPatrick Mooney 584c87aefeSPatrick Mooney struct iommu_ops { 594c87aefeSPatrick Mooney iommu_init_func_t init; /* module wide */ 604c87aefeSPatrick Mooney iommu_cleanup_func_t cleanup; 614c87aefeSPatrick Mooney iommu_enable_func_t enable; 624c87aefeSPatrick Mooney iommu_disable_func_t disable; 634c87aefeSPatrick Mooney 644c87aefeSPatrick Mooney iommu_create_domain_t create_domain; /* domain-specific */ 654c87aefeSPatrick Mooney iommu_destroy_domain_t destroy_domain; 664c87aefeSPatrick Mooney iommu_create_mapping_t create_mapping; 674c87aefeSPatrick Mooney iommu_remove_mapping_t remove_mapping; 684c87aefeSPatrick Mooney iommu_add_device_t add_device; 694c87aefeSPatrick Mooney iommu_remove_device_t remove_device; 704c87aefeSPatrick Mooney iommu_invalidate_tlb_t invalidate_tlb; 714c87aefeSPatrick Mooney }; 724c87aefeSPatrick Mooney 73e760f150SPatrick Mooney #define IOMMU_OPS_SYM_NAME "vmm_iommu_ops" 744c87aefeSPatrick Mooney 75e760f150SPatrick Mooney void *iommu_host_domain(void); 76e760f150SPatrick Mooney void *iommu_create_domain(vm_paddr_t maxaddr); 77e760f150SPatrick Mooney void iommu_destroy_domain(void *domain); 78e760f150SPatrick Mooney void iommu_create_mapping(void *domain, vm_paddr_t gpa, vm_paddr_t hpa, 792699b94cSPatrick Mooney size_t len); 80e760f150SPatrick Mooney void iommu_remove_mapping(void *domain, vm_paddr_t gpa, size_t len); 81e760f150SPatrick Mooney void iommu_add_device(void *domain, uint16_t rid); 82e760f150SPatrick Mooney void iommu_remove_device(void *domain, uint16_t rid); 83e760f150SPatrick Mooney void iommu_invalidate_tlb(void *domain); 848130f8e1SPatrick Mooney 858130f8e1SPatrick Mooney /* Glue functions used by iommu provider(s) */ 868130f8e1SPatrick Mooney void *vmm_ptp_alloc(void); 878130f8e1SPatrick Mooney void vmm_ptp_free(void *); 888130f8e1SPatrick Mooney 894c87aefeSPatrick Mooney #endif 90