1 /* 2 * VFIO BASE CONTAINER 3 * 4 * Copyright (C) 2023 Intel Corporation. 5 * Copyright Red Hat, Inc. 2023 6 * 7 * Authors: Yi Liu <yi.l.liu@intel.com> 8 * Eric Auger <eric.auger@redhat.com> 9 * 10 * SPDX-License-Identifier: GPL-2.0-or-later 11 */ 12 13 #include "qemu/osdep.h" 14 #include "qapi/error.h" 15 #include "qemu/error-report.h" 16 #include "hw/vfio/vfio-container-base.h" 17 18 int vfio_container_dma_map(VFIOContainerBase *bcontainer, 19 hwaddr iova, ram_addr_t size, 20 void *vaddr, bool readonly) 21 { 22 g_assert(bcontainer->ops->dma_map); 23 return bcontainer->ops->dma_map(bcontainer, iova, size, vaddr, readonly); 24 } 25 26 int vfio_container_dma_unmap(VFIOContainerBase *bcontainer, 27 hwaddr iova, ram_addr_t size, 28 IOMMUTLBEntry *iotlb) 29 { 30 g_assert(bcontainer->ops->dma_unmap); 31 return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb); 32 } 33 34 int vfio_container_add_section_window(VFIOContainerBase *bcontainer, 35 MemoryRegionSection *section, 36 Error **errp) 37 { 38 if (!bcontainer->ops->add_window) { 39 return 0; 40 } 41 42 return bcontainer->ops->add_window(bcontainer, section, errp); 43 } 44 45 void vfio_container_del_section_window(VFIOContainerBase *bcontainer, 46 MemoryRegionSection *section) 47 { 48 if (!bcontainer->ops->del_window) { 49 return; 50 } 51 52 return bcontainer->ops->del_window(bcontainer, section); 53 } 54 55 int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer, 56 bool start) 57 { 58 g_assert(bcontainer->ops->set_dirty_page_tracking); 59 return bcontainer->ops->set_dirty_page_tracking(bcontainer, start); 60 } 61 62 int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer, 63 VFIOBitmap *vbmap, 64 hwaddr iova, hwaddr size) 65 { 66 g_assert(bcontainer->ops->query_dirty_bitmap); 67 return bcontainer->ops->query_dirty_bitmap(bcontainer, vbmap, iova, size); 68 } 69 70 void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, 71 const VFIOIOMMUOps *ops) 72 { 73 bcontainer->ops = ops; 74 bcontainer->space = space; 75 bcontainer->error = NULL; 76 bcontainer->dirty_pages_supported = false; 77 bcontainer->dma_max_mappings = 0; 78 bcontainer->iova_ranges = NULL; 79 QLIST_INIT(&bcontainer->giommu_list); 80 QLIST_INIT(&bcontainer->vrdl_list); 81 } 82 83 void vfio_container_destroy(VFIOContainerBase *bcontainer) 84 { 85 VFIOGuestIOMMU *giommu, *tmp; 86 87 QLIST_REMOVE(bcontainer, next); 88 89 QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) { 90 memory_region_unregister_iommu_notifier( 91 MEMORY_REGION(giommu->iommu_mr), &giommu->n); 92 QLIST_REMOVE(giommu, giommu_next); 93 g_free(giommu); 94 } 95 96 g_list_free_full(bcontainer->iova_ranges, g_free); 97 } 98