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 typedef struct VirtIOPMEM VirtIOPMEM; 24 typedef struct VirtIOPMEMClass VirtIOPMEMClass; 25 DECLARE_OBJ_CHECKERS(VirtIOPMEM, VirtIOPMEMClass, 26 VIRTIO_PMEM, TYPE_VIRTIO_PMEM) 27 28 #define VIRTIO_PMEM_ADDR_PROP "memaddr" 29 #define VIRTIO_PMEM_MEMDEV_PROP "memdev" 30 31 struct VirtIOPMEM { 32 VirtIODevice parent_obj; 33 34 VirtQueue *rq_vq; 35 uint64_t start; 36 HostMemoryBackend *memdev; 37 }; 38 39 struct VirtIOPMEMClass { 40 /* private */ 41 VirtIODevice parent; 42 43 /* public */ 44 void (*fill_device_info)(const VirtIOPMEM *pmem, VirtioPMEMDeviceInfo *vi); 45 MemoryRegion *(*get_memory_region)(VirtIOPMEM *pmem, Error **errp); 46 }; 47 48 #endif 49