Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 1 | /* |
| 2 | * virtio ccw scsi implementation |
| 3 | * |
| 4 | * Copyright 2012, 2015 IBM Corp. |
| 5 | * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> |
| 6 | * |
| 7 | * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| 8 | * your option) any later version. See the COPYING file in the top-level |
| 9 | * directory. |
| 10 | */ |
| 11 | |
| 12 | #include "qemu/osdep.h" |
Markus Armbruster | a27bd6c | 2019-08-12 07:23:51 +0200 | [diff] [blame] | 13 | #include "hw/qdev-properties.h" |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 14 | #include "hw/virtio/virtio.h" |
| 15 | #include "qapi/error.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 16 | #include "qemu/module.h" |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 17 | #include "virtio-ccw.h" |
| 18 | |
| 19 | static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
| 20 | { |
| 21 | VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev); |
| 22 | DeviceState *vdev = DEVICE(&dev->vdev); |
| 23 | DeviceState *qdev = DEVICE(ccw_dev); |
| 24 | char *bus_name; |
| 25 | |
| 26 | /* |
| 27 | * For command line compatibility, this sets the virtio-scsi-device bus |
| 28 | * name as before. |
| 29 | */ |
| 30 | if (qdev->id) { |
| 31 | bus_name = g_strdup_printf("%s.0", qdev->id); |
| 32 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); |
| 33 | g_free(bus_name); |
| 34 | } |
| 35 | |
Markus Armbruster | 99ba777 | 2020-06-10 07:32:00 +0200 | [diff] [blame] | 36 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | static void virtio_ccw_scsi_instance_init(Object *obj) |
| 40 | { |
| 41 | VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj); |
| 42 | |
| 43 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
| 44 | TYPE_VIRTIO_SCSI); |
| 45 | } |
| 46 | |
| 47 | static Property virtio_ccw_scsi_properties[] = { |
| 48 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
| 49 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), |
| 50 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
| 51 | VIRTIO_CCW_MAX_REV), |
| 52 | DEFINE_PROP_END_OF_LIST(), |
| 53 | }; |
| 54 | |
| 55 | static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data) |
| 56 | { |
| 57 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 58 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); |
| 59 | |
| 60 | k->realize = virtio_ccw_scsi_realize; |
Marc-André Lureau | 4f67d30 | 2020-01-10 19:30:32 +0400 | [diff] [blame] | 61 | device_class_set_props(dc, virtio_ccw_scsi_properties); |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 62 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
| 63 | } |
| 64 | |
| 65 | static const TypeInfo virtio_ccw_scsi = { |
| 66 | .name = TYPE_VIRTIO_SCSI_CCW, |
| 67 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
| 68 | .instance_size = sizeof(VirtIOSCSICcw), |
| 69 | .instance_init = virtio_ccw_scsi_instance_init, |
| 70 | .class_init = virtio_ccw_scsi_class_init, |
| 71 | }; |
| 72 | |
| 73 | #ifdef CONFIG_VHOST_SCSI |
| 74 | |
| 75 | static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
| 76 | { |
| 77 | VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev); |
| 78 | DeviceState *vdev = DEVICE(&dev->vdev); |
| 79 | |
Markus Armbruster | 99ba777 | 2020-06-10 07:32:00 +0200 | [diff] [blame] | 80 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | static void vhost_ccw_scsi_instance_init(Object *obj) |
| 84 | { |
| 85 | VHostSCSICcw *dev = VHOST_SCSI_CCW(obj); |
| 86 | |
| 87 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
| 88 | TYPE_VHOST_SCSI); |
| 89 | } |
| 90 | |
| 91 | static Property vhost_ccw_scsi_properties[] = { |
| 92 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
| 93 | VIRTIO_CCW_MAX_REV), |
| 94 | DEFINE_PROP_END_OF_LIST(), |
| 95 | }; |
| 96 | |
| 97 | static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data) |
| 98 | { |
| 99 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 100 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); |
| 101 | |
| 102 | k->realize = vhost_ccw_scsi_realize; |
Marc-André Lureau | 4f67d30 | 2020-01-10 19:30:32 +0400 | [diff] [blame] | 103 | device_class_set_props(dc, vhost_ccw_scsi_properties); |
Thomas Huth | e594bfe | 2018-07-25 14:20:18 +0200 | [diff] [blame] | 104 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
| 105 | } |
| 106 | |
| 107 | static const TypeInfo vhost_ccw_scsi = { |
| 108 | .name = TYPE_VHOST_SCSI_CCW, |
| 109 | .parent = TYPE_VIRTIO_CCW_DEVICE, |
| 110 | .instance_size = sizeof(VHostSCSICcw), |
| 111 | .instance_init = vhost_ccw_scsi_instance_init, |
| 112 | .class_init = vhost_ccw_scsi_class_init, |
| 113 | }; |
| 114 | |
| 115 | #endif |
| 116 | |
| 117 | static void virtio_ccw_scsi_register(void) |
| 118 | { |
| 119 | type_register_static(&virtio_ccw_scsi); |
| 120 | #ifdef CONFIG_VHOST_SCSI |
| 121 | type_register_static(&vhost_ccw_scsi); |
| 122 | #endif |
| 123 | } |
| 124 | |
| 125 | type_init(virtio_ccw_scsi_register) |