block/export: Add query-block-exports
[qemu.git] / include / hw / virtio / virtio-pmem.h
1 /*
2 * Virtio PMEM device
3 *
4 * Copyright (C) 2018-2019 Red Hat, Inc.
5 *
6 * Authors:
7 * Pankaj Gupta <pagupta@redhat.com>
8 * David Hildenbrand <david@redhat.com>
9 *
10 * This work is licensed under the terms of the GNU GPL, version 2.
11 * See the COPYING file in the top-level directory.
12 */
13
14 #ifndef HW_VIRTIO_PMEM_H
15 #define HW_VIRTIO_PMEM_H
16
17 #include "hw/virtio/virtio.h"
18 #include "qapi/qapi-types-machine.h"
19 #include "qom/object.h"
20
21 #define TYPE_VIRTIO_PMEM "virtio-pmem"
22
23 OBJECT_DECLARE_TYPE(VirtIOPMEM, VirtIOPMEMClass,
24 VIRTIO_PMEM)
25
26 #define VIRTIO_PMEM_ADDR_PROP "memaddr"
27 #define VIRTIO_PMEM_MEMDEV_PROP "memdev"
28
29 struct VirtIOPMEM {
30 VirtIODevice parent_obj;
31
32 VirtQueue *rq_vq;
33 uint64_t start;
34 HostMemoryBackend *memdev;
35 };
36
37 struct VirtIOPMEMClass {
38 /* private */
39 VirtIODevice parent;
40
41 /* public */
42 void (*fill_device_info)(const VirtIOPMEM *pmem, VirtioPMEMDeviceInfo *vi);
43 MemoryRegion *(*get_memory_region)(VirtIOPMEM *pmem, Error **errp);
44 };
45
46 #endif