hw/virtio/vhost-iova-tree.h


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/*
 * vhost software live migration iova tree
 *
 * SPDX-FileCopyrightText: Red Hat, Inc. 2021
 * SPDX-FileContributor: Author: Eugenio Pérez <eperezma@redhat.com>
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#ifndef HW_VIRTIO_VHOST_IOVA_TREE_H
#define HW_VIRTIO_VHOST_IOVA_TREE_H

#include "qemu/iova-tree.h"
#include "system/memory.h"

typedef struct VhostIOVATree VhostIOVATree;

VhostIOVATree *vhost_iova_tree_new(uint64_t iova_first, uint64_t iova_last);
void vhost_iova_tree_delete(VhostIOVATree *iova_tree);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(VhostIOVATree, vhost_iova_tree_delete);

const DMAMap *vhost_iova_tree_find_iova(const VhostIOVATree *iova_tree,
                                        const DMAMap *map);
int vhost_iova_tree_map_alloc(VhostIOVATree *iova_tree, DMAMap *map,
                              hwaddr taddr);
void vhost_iova_tree_remove(VhostIOVATree *iova_tree, DMAMap map);
const DMAMap *vhost_iova_tree_find_gpa(const VhostIOVATree *iova_tree,
                                       const DMAMap *map);
int vhost_iova_tree_map_alloc_gpa(VhostIOVATree *iova_tree, DMAMap *map,
                                  hwaddr taddr);
void vhost_iova_tree_remove_gpa(VhostIOVATree *iova_tree, DMAMap map);

#endif