11c7955c4SPeter Xu /* 21c7955c4SPeter Xu * Common IOMMU interface for X86 platform 31c7955c4SPeter Xu * 41c7955c4SPeter Xu * Copyright (C) 2016 Peter Xu, Red Hat <peterx@redhat.com> 51c7955c4SPeter Xu * 61c7955c4SPeter Xu * This program is free software; you can redistribute it and/or modify 71c7955c4SPeter Xu * it under the terms of the GNU General Public License as published by 81c7955c4SPeter Xu * the Free Software Foundation; either version 2 of the License, or 91c7955c4SPeter Xu * (at your option) any later version. 101c7955c4SPeter Xu 111c7955c4SPeter Xu * This program is distributed in the hope that it will be useful, 121c7955c4SPeter Xu * but WITHOUT ANY WARRANTY; without even the implied warranty of 131c7955c4SPeter Xu * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 141c7955c4SPeter Xu * GNU General Public License for more details. 151c7955c4SPeter Xu 161c7955c4SPeter Xu * You should have received a copy of the GNU General Public License along 171c7955c4SPeter Xu * with this program; if not, see <http://www.gnu.org/licenses/>. 181c7955c4SPeter Xu */ 191c7955c4SPeter Xu 201c7955c4SPeter Xu #ifndef IOMMU_COMMON_H 211c7955c4SPeter Xu #define IOMMU_COMMON_H 221c7955c4SPeter Xu 231c7955c4SPeter Xu #include "hw/sysbus.h" 241c7955c4SPeter Xu 251c7955c4SPeter Xu #define TYPE_X86_IOMMU_DEVICE ("x86-iommu") 261c7955c4SPeter Xu #define X86_IOMMU_DEVICE(obj) \ 271c7955c4SPeter Xu OBJECT_CHECK(X86IOMMUState, (obj), TYPE_X86_IOMMU_DEVICE) 281c7955c4SPeter Xu #define X86_IOMMU_CLASS(klass) \ 291c7955c4SPeter Xu OBJECT_CLASS_CHECK(X86IOMMUClass, (klass), TYPE_X86_IOMMU_DEVICE) 301c7955c4SPeter Xu #define X86_IOMMU_GET_CLASS(obj) \ 311c7955c4SPeter Xu OBJECT_GET_CLASS(X86IOMMUClass, obj, TYPE_X86_IOMMU_DEVICE) 321c7955c4SPeter Xu 3304af0e18SPeter Xu #define X86_IOMMU_PCI_DEVFN_MAX 256 3404af0e18SPeter Xu 351c7955c4SPeter Xu typedef struct X86IOMMUState X86IOMMUState; 361c7955c4SPeter Xu typedef struct X86IOMMUClass X86IOMMUClass; 371c7955c4SPeter Xu 381c7955c4SPeter Xu struct X86IOMMUClass { 391c7955c4SPeter Xu SysBusDeviceClass parent; 401c7955c4SPeter Xu /* Intel/AMD specific realize() hook */ 411c7955c4SPeter Xu DeviceRealize realize; 421c7955c4SPeter Xu }; 431c7955c4SPeter Xu 441c7955c4SPeter Xu struct X86IOMMUState { 451c7955c4SPeter Xu SysBusDevice busdev; 461c7955c4SPeter Xu }; 471c7955c4SPeter Xu 48*1cf5fd57SPeter Xu /** 49*1cf5fd57SPeter Xu * x86_iommu_get_default - get default IOMMU device 50*1cf5fd57SPeter Xu * @return: pointer to default IOMMU device 51*1cf5fd57SPeter Xu */ 52*1cf5fd57SPeter Xu X86IOMMUState *x86_iommu_get_default(void); 53*1cf5fd57SPeter Xu 541c7955c4SPeter Xu #endif 55