/* * VFIO BASE CONTAINER * * Copyright (C) 2023 Intel Corporation. * Copyright Red Hat, Inc. 2023 * * Authors: Yi Liu * Eric Auger * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "hw/vfio/vfio-container-base.h" int vfio_container_dma_map(VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, void *vaddr, bool readonly) { g_assert(bcontainer->ops->dma_map); return bcontainer->ops->dma_map(bcontainer, iova, size, vaddr, readonly); } int vfio_container_dma_unmap(VFIOContainerBase *bcontainer, hwaddr iova, ram_addr_t size, IOMMUTLBEntry *iotlb) { g_assert(bcontainer->ops->dma_unmap); return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb); } int vfio_container_add_section_window(VFIOContainerBase *bcontainer, MemoryRegionSection *section, Error **errp) { if (!bcontainer->ops->add_window) { return 0; } return bcontainer->ops->add_window(bcontainer, section, errp); } void vfio_container_del_section_window(VFIOContainerBase *bcontainer, MemoryRegionSection *section) { if (!bcontainer->ops->del_window) { return; } return bcontainer->ops->del_window(bcontainer, section); } int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer, bool start) { g_assert(bcontainer->ops->set_dirty_page_tracking); return bcontainer->ops->set_dirty_page_tracking(bcontainer, start); } int vfio_container_query_dirty_bitmap(VFIOContainerBase *bcontainer, VFIOBitmap *vbmap, hwaddr iova, hwaddr size) { g_assert(bcontainer->ops->query_dirty_bitmap); return bcontainer->ops->query_dirty_bitmap(bcontainer, vbmap, iova, size); } void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space, const VFIOIOMMUOps *ops) { bcontainer->ops = ops; bcontainer->space = space; bcontainer->error = NULL; bcontainer->dirty_pages_supported = false; bcontainer->dma_max_mappings = 0; bcontainer->iova_ranges = NULL; QLIST_INIT(&bcontainer->giommu_list); QLIST_INIT(&bcontainer->vrdl_list); } void vfio_container_destroy(VFIOContainerBase *bcontainer) { VFIOGuestIOMMU *giommu, *tmp; QLIST_REMOVE(bcontainer, next); QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) { memory_region_unregister_iommu_notifier( MEMORY_REGION(giommu->iommu_mr), &giommu->n); QLIST_REMOVE(giommu, giommu_next); g_free(giommu); } g_list_free_full(bcontainer->iova_ranges, g_free); }