1 /* 2 * virtio ccw vhost-user-fs implementation 3 * 4 * Copyright 2020 IBM Corp. 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or (at 7 * your option) any later version. See the COPYING file in the top-level 8 * directory. 9 */ 10 #include "qemu/osdep.h" 11 #include "hw/qdev-properties.h" 12 #include "qapi/error.h" 13 #include "hw/virtio/vhost-user-fs.h" 14 #include "virtio-ccw.h" 15 16 typedef struct VHostUserFSCcw { 17 VirtioCcwDevice parent_obj; 18 VHostUserFS vdev; 19 } VHostUserFSCcw; 20 21 #define TYPE_VHOST_USER_FS_CCW "vhost-user-fs-ccw" 22 #define VHOST_USER_FS_CCW(obj) \ 23 OBJECT_CHECK(VHostUserFSCcw, (obj), TYPE_VHOST_USER_FS_CCW) 24 25 26 static Property vhost_user_fs_ccw_properties[] = { 27 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 28 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 29 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 30 VIRTIO_CCW_MAX_REV), 31 DEFINE_PROP_END_OF_LIST(), 32 }; 33 34 static void vhost_user_fs_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) 35 { 36 VHostUserFSCcw *dev = VHOST_USER_FS_CCW(ccw_dev); 37 DeviceState *vdev = DEVICE(&dev->vdev); 38 39 qdev_realize(vdev, BUS(&ccw_dev->bus), errp); 40 } 41 42 static void vhost_user_fs_ccw_instance_init(Object *obj) 43 { 44 VHostUserFSCcw *dev = VHOST_USER_FS_CCW(obj); 45 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); 46 47 ccw_dev->force_revision_1 = true; 48 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 49 TYPE_VHOST_USER_FS); 50 } 51 52 static void vhost_user_fs_ccw_class_init(ObjectClass *klass, void *data) 53 { 54 DeviceClass *dc = DEVICE_CLASS(klass); 55 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 56 57 k->realize = vhost_user_fs_ccw_realize; 58 device_class_set_props(dc, vhost_user_fs_ccw_properties); 59 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 60 } 61 62 static const TypeInfo vhost_user_fs_ccw = { 63 .name = TYPE_VHOST_USER_FS_CCW, 64 .parent = TYPE_VIRTIO_CCW_DEVICE, 65 .instance_size = sizeof(VHostUserFSCcw), 66 .instance_init = vhost_user_fs_ccw_instance_init, 67 .class_init = vhost_user_fs_ccw_class_init, 68 }; 69 70 static void vhost_user_fs_ccw_register(void) 71 { 72 type_register_static(&vhost_user_fs_ccw); 73 } 74 75 type_init(vhost_user_fs_ccw_register) 76