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_set_dirty_page_tracking(VFIOContainerBase *bcontainer, 35 bool start) 36 { 37 g_assert(bcontainer->ops->set_dirty_page_tracking); 38 return bcontainer->ops->set_dirty_page_tracking(bcontainer, start); 39 } 40 41 int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer, 42 VFIOBitmap *vbmap, 43 hwaddr iova, hwaddr size) 44 { 45 g_assert(bcontainer->ops->query_dirty_bitmap); 46 return bcontainer->ops->query_dirty_bitmap(bcontainer, vbmap, iova, size); 47 } 48 49 void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, 50 const VFIOIOMMUOps *ops) 51 { 52 bcontainer->ops = ops; 53 bcontainer->space = space; 54 bcontainer->error = NULL; 55 bcontainer->dirty_pages_supported = false; 56 bcontainer->dma_max_mappings = 0; 57 QLIST_INIT(&bcontainer->giommu_list); 58 QLIST_INIT(&bcontainer->vrdl_list); 59 } 60 61 void vfio_container_destroy(VFIOContainerBase *bcontainer) 62 { 63 VFIOGuestIOMMU *giommu, *tmp; 64 65 QLIST_REMOVE(bcontainer, next); 66 67 QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) { 68 memory_region_unregister_iommu_notifier( 69 MEMORY_REGION(giommu->iommu_mr), &giommu->n); 70 QLIST_REMOVE(giommu, giommu_next); 71 g_free(giommu); 72 } 73 } 74