| 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/core/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 const 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 | }; |
| 32 | |
| 33 | static void vhost_user_fs_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
| 34 | { |
| 35 | VHostUserFSCcw *dev = VHOST_USER_FS_CCW(ccw_dev); |
| 36 | DeviceState *vdev = DEVICE(&dev->vdev); |
| 37 | |
| 38 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
| 39 | } |
| 40 | |
| 41 | static void vhost_user_fs_ccw_instance_init(Object *obj) |
| 42 | { |
| 43 | VHostUserFSCcw *dev = VHOST_USER_FS_CCW(obj); |
| 44 | VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); |
| 45 | |
| 46 | ccw_dev->force_revision_1 = true; |
| 47 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
| 48 | TYPE_VHOST_USER_FS); |
| 49 | } |
| 50 | |
| 51 | static void vhost_user_fs_ccw_class_init(ObjectClass *klass, const void *data) |
| 52 | { |
| 53 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 54 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); |
| 55 | |
| 56 | k->realize = vhost_user_fs_ccw_realize; |
| 57 | device_class_set_props(dc, vhost_user_fs_ccw_properties); |
| 58 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
| 59 | } |
| 60 | |
| 61 | static const TypeInfo vhost_user_fs_ccw = { |
| 62 | .name = TYPE_VHOST_USER_FS_CCW, |
| 63 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
| 64 | .instance_size = sizeof(VHostUserFSCcw), |
| 65 | .instance_init = vhost_user_fs_ccw_instance_init, |
| 66 | .class_init = vhost_user_fs_ccw_class_init, |
| 67 | }; |
| 68 | |
| 69 | static void vhost_user_fs_ccw_register(void) |
| 70 | { |
| 71 | type_register_static(&vhost_user_fs_ccw); |
| 72 | } |
| 73 | |
| 74 | type_init(vhost_user_fs_ccw_register) |