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-misc.h" 19 #include "qom/object.h" 20 21 #define TYPE_VIRTIO_PMEM "virtio-pmem" 22 23 OBJECT_DECLARE_TYPE(VirtIOPMEM, VirtIOPMEMClass, 24 virtio_pmem, 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 47