qemu/hw/virtio/virtio-mem-pci.h
David Hildenbrand 722a3c783e virtio-pci: Send qapi events when the virtio-mem size changes
Let's register the notifier and trigger the qapi event with the right
device id.

MEMORY_DEVICE_SIZE_CHANGE is similar to BALLOON_CHANGE, however on a
memory device level.

Don't unregister the notifier (we neither have finalize() nor unrealize()
for VirtIOPCIProxy, so it's not that simple to do it) - both devices are
expected to vanish at the same time.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200626072248.78761-18-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-07-03 07:57:04 -04:00

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/*
* Virtio MEM PCI device
*
* Copyright (C) 2020 Red Hat, Inc.
*
* Authors:
* David Hildenbrand <david@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_VIRTIO_MEM_PCI_H
#define QEMU_VIRTIO_MEM_PCI_H
#include "hw/virtio/virtio-pci.h"
#include "hw/virtio/virtio-mem.h"
typedef struct VirtIOMEMPCI VirtIOMEMPCI;
/*
* virtio-mem-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_MEM_PCI "virtio-mem-pci-base"
#define VIRTIO_MEM_PCI(obj) \
OBJECT_CHECK(VirtIOMEMPCI, (obj), TYPE_VIRTIO_MEM_PCI)
struct VirtIOMEMPCI {
VirtIOPCIProxy parent_obj;
VirtIOMEM vdev;
Notifier size_change_notifier;
};
#endif /* QEMU_VIRTIO_MEM_PCI_H */