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/*
* vhost-vdpa.h
*
* Copyright(c) 2017-2018 Intel Corporation.
* Copyright(c) 2020 Red Hat, Inc.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef HW_VIRTIO_VHOST_VDPA_H
#define HW_VIRTIO_VHOST_VDPA_H
#include <gmodule.h>
#include "hw/virtio/vhost-iova-tree.h"
#include "hw/virtio/vhost-shadow-virtqueue.h"
#include "hw/virtio/virtio.h"
#include "standard-headers/linux/vhost_types.h"
typedef struct VhostVDPAHostNotifier {
MemoryRegion mr;
void *addr;
} VhostVDPAHostNotifier;
typedef struct vhost_vdpa {
int device_fd;
int index;
uint32_t msg_type;
bool iotlb_batch_begin_sent;
MemoryListener listener;
struct vhost_vdpa_iova_range iova_range;
uint64_t acked_features;
bool shadow_vqs_enabled;
/* IOVA mapping used by the Shadow Virtqueue */
VhostIOVATree *iova_tree;
GPtrArray *shadow_vqs;
const VhostShadowVirtqueueOps *shadow_vq_ops;
void *shadow_vq_ops_opaque;
struct vhost_dev *dev;
VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX];
} VhostVDPA;
int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
void *vaddr, bool readonly);
int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, hwaddr iova, hwaddr size);
#endif
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