0e3fdcffea
We can restore the device state in the destination via CVQ now. Remove the migration blocker. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
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* vhost-vdpa.h
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*
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* Copyright(c) 2017-2018 Intel Corporation.
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* Copyright(c) 2020 Red Hat, Inc.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef HW_VIRTIO_VHOST_VDPA_H
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#define HW_VIRTIO_VHOST_VDPA_H
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#include <gmodule.h>
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#include "hw/virtio/vhost-iova-tree.h"
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#include "hw/virtio/vhost-shadow-virtqueue.h"
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#include "hw/virtio/virtio.h"
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#include "standard-headers/linux/vhost_types.h"
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typedef struct VhostVDPAHostNotifier {
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MemoryRegion mr;
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void *addr;
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} VhostVDPAHostNotifier;
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typedef struct vhost_vdpa {
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int device_fd;
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int index;
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uint32_t msg_type;
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bool iotlb_batch_begin_sent;
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MemoryListener listener;
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struct vhost_vdpa_iova_range iova_range;
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uint64_t acked_features;
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bool shadow_vqs_enabled;
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/* IOVA mapping used by the Shadow Virtqueue */
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VhostIOVATree *iova_tree;
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GPtrArray *shadow_vqs;
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const VhostShadowVirtqueueOps *shadow_vq_ops;
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void *shadow_vq_ops_opaque;
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struct vhost_dev *dev;
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VhostVDPAHostNotifier notifier[VIRTIO_QUEUE_MAX];
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} VhostVDPA;
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int vhost_vdpa_dma_map(struct vhost_vdpa *v, hwaddr iova, hwaddr size,
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void *vaddr, bool readonly);
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int vhost_vdpa_dma_unmap(struct vhost_vdpa *v, hwaddr iova, hwaddr size);
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#endif
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