Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 1928 deletions

diff --git a/qemu/hw/s390x/virtio-ccw.c b/qemu/hw/s390x/virtio-ccw.c
deleted file mode 100644
index d51642db0..000000000
--- a/qemu/hw/s390x/virtio-ccw.c
+++ /dev/null
@@ -1,1928 +0,0 @@
-/*
- * virtio ccw target implementation
- *
- * Copyright 2012,2015 IBM Corp.
- * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
- *            Pierre Morel <pmorel@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or (at
- * your option) any later version. See the COPYING file in the top-level
- * directory.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "hw/hw.h"
-#include "sysemu/block-backend.h"
-#include "sysemu/blockdev.h"
-#include "sysemu/sysemu.h"
-#include "net/net.h"
-#include "hw/virtio/virtio.h"
-#include "hw/virtio/virtio-serial.h"
-#include "hw/virtio/virtio-net.h"
-#include "hw/sysbus.h"
-#include "qemu/bitops.h"
-#include "qemu/error-report.h"
-#include "hw/virtio/virtio-access.h"
-#include "hw/virtio/virtio-bus.h"
-#include "hw/s390x/adapter.h"
-#include "hw/s390x/s390_flic.h"
-
-#include "ioinst.h"
-#include "css.h"
-#include "virtio-ccw.h"
-#include "trace.h"
-
-static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
-                               VirtioCcwDevice *dev);
-
-static void virtual_css_bus_reset(BusState *qbus)
-{
-    /* This should actually be modelled via the generic css */
-    css_reset();
-}
-
-
-static void virtual_css_bus_class_init(ObjectClass *klass, void *data)
-{
-    BusClass *k = BUS_CLASS(klass);
-
-    k->reset = virtual_css_bus_reset;
-}
-
-static const TypeInfo virtual_css_bus_info = {
-    .name = TYPE_VIRTUAL_CSS_BUS,
-    .parent = TYPE_BUS,
-    .instance_size = sizeof(VirtualCssBus),
-    .class_init = virtual_css_bus_class_init,
-};
-
-VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch)
-{
-    VirtIODevice *vdev = NULL;
-    VirtioCcwDevice *dev = sch->driver_data;
-
-    if (dev) {
-        vdev = virtio_bus_get_device(&dev->bus);
-    }
-    return vdev;
-}
-
-static int virtio_ccw_set_guest2host_notifier(VirtioCcwDevice *dev, int n,
-                                              bool assign, bool set_handler)
-{
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, n);
-    EventNotifier *notifier = virtio_queue_get_host_notifier(vq);
-    int r = 0;
-    SubchDev *sch = dev->sch;
-    uint32_t sch_id = (css_build_subchannel_id(sch) << 16) | sch->schid;
-
-    if (assign) {
-        r = event_notifier_init(notifier, 1);
-        if (r < 0) {
-            error_report("%s: unable to init event notifier: %d", __func__, r);
-            return r;
-        }
-        virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler);
-        r = s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
-        if (r < 0) {
-            error_report("%s: unable to assign ioeventfd: %d", __func__, r);
-            virtio_queue_set_host_notifier_fd_handler(vq, false, false);
-            event_notifier_cleanup(notifier);
-            return r;
-        }
-    } else {
-        virtio_queue_set_host_notifier_fd_handler(vq, false, false);
-        s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
-        event_notifier_cleanup(notifier);
-    }
-    return r;
-}
-
-static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev)
-{
-    VirtIODevice *vdev;
-    int n, r;
-
-    if (!(dev->flags & VIRTIO_CCW_FLAG_USE_IOEVENTFD) ||
-        dev->ioeventfd_disabled ||
-        dev->ioeventfd_started) {
-        return;
-    }
-    vdev = virtio_bus_get_device(&dev->bus);
-    for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) {
-        if (!virtio_queue_get_num(vdev, n)) {
-            continue;
-        }
-        r = virtio_ccw_set_guest2host_notifier(dev, n, true, true);
-        if (r < 0) {
-            goto assign_error;
-        }
-    }
-    dev->ioeventfd_started = true;
-    return;
-
-  assign_error:
-    while (--n >= 0) {
-        if (!virtio_queue_get_num(vdev, n)) {
-            continue;
-        }
-        r = virtio_ccw_set_guest2host_notifier(dev, n, false, false);
-        assert(r >= 0);
-    }
-    dev->ioeventfd_started = false;
-    /* Disable ioeventfd for this device. */
-    dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
-    error_report("%s: failed. Fallback to userspace (slower).", __func__);
-}
-
-static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev)
-{
-    VirtIODevice *vdev;
-    int n, r;
-
-    if (!dev->ioeventfd_started) {
-        return;
-    }
-    vdev = virtio_bus_get_device(&dev->bus);
-    for (n = 0; n < VIRTIO_CCW_QUEUE_MAX; n++) {
-        if (!virtio_queue_get_num(vdev, n)) {
-            continue;
-        }
-        r = virtio_ccw_set_guest2host_notifier(dev, n, false, false);
-        assert(r >= 0);
-    }
-    dev->ioeventfd_started = false;
-}
-
-VirtualCssBus *virtual_css_bus_init(void)
-{
-    VirtualCssBus *cbus;
-    BusState *bus;
-    DeviceState *dev;
-
-    /* Create bridge device */
-    dev = qdev_create(NULL, "virtual-css-bridge");
-    qdev_init_nofail(dev);
-
-    /* Create bus on bridge device */
-    bus = qbus_create(TYPE_VIRTUAL_CSS_BUS, dev, "virtual-css");
-    cbus = VIRTUAL_CSS_BUS(bus);
-
-    /* Enable hotplugging */
-    qbus_set_hotplug_handler(bus, dev, &error_abort);
-
-    return cbus;
-}
-
-/* Communication blocks used by several channel commands. */
-typedef struct VqInfoBlockLegacy {
-    uint64_t queue;
-    uint32_t align;
-    uint16_t index;
-    uint16_t num;
-} QEMU_PACKED VqInfoBlockLegacy;
-
-typedef struct VqInfoBlock {
-    uint64_t desc;
-    uint32_t res0;
-    uint16_t index;
-    uint16_t num;
-    uint64_t avail;
-    uint64_t used;
-} QEMU_PACKED VqInfoBlock;
-
-typedef struct VqConfigBlock {
-    uint16_t index;
-    uint16_t num_max;
-} QEMU_PACKED VqConfigBlock;
-
-typedef struct VirtioFeatDesc {
-    uint32_t features;
-    uint8_t index;
-} QEMU_PACKED VirtioFeatDesc;
-
-typedef struct VirtioThinintInfo {
-    hwaddr summary_indicator;
-    hwaddr device_indicator;
-    uint64_t ind_bit;
-    uint8_t isc;
-} QEMU_PACKED VirtioThinintInfo;
-
-typedef struct VirtioRevInfo {
-    uint16_t revision;
-    uint16_t length;
-    uint8_t data[0];
-} QEMU_PACKED VirtioRevInfo;
-
-/* Specify where the virtqueues for the subchannel are in guest memory. */
-static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
-                              VqInfoBlockLegacy *linfo)
-{
-    VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
-    uint16_t index = info ? info->index : linfo->index;
-    uint16_t num = info ? info->num : linfo->num;
-    uint64_t desc = info ? info->desc : linfo->queue;
-
-    if (index >= VIRTIO_CCW_QUEUE_MAX) {
-        return -EINVAL;
-    }
-
-    /* Current code in virtio.c relies on 4K alignment. */
-    if (linfo && desc && (linfo->align != 4096)) {
-        return -EINVAL;
-    }
-
-    if (!vdev) {
-        return -EINVAL;
-    }
-
-    if (info) {
-        virtio_queue_set_rings(vdev, index, desc, info->avail, info->used);
-    } else {
-        virtio_queue_set_addr(vdev, index, desc);
-    }
-    if (!desc) {
-        virtio_queue_set_vector(vdev, index, VIRTIO_NO_VECTOR);
-    } else {
-        if (info) {
-            /* virtio-1 allows changing the ring size. */
-            if (virtio_queue_get_num(vdev, index) < num) {
-                /* Fail if we exceed the maximum number. */
-                return -EINVAL;
-            }
-            virtio_queue_set_num(vdev, index, num);
-        } else if (virtio_queue_get_num(vdev, index) > num) {
-            /* Fail if we don't have a big enough queue. */
-            return -EINVAL;
-        }
-        /* We ignore possible increased num for legacy for compatibility. */
-        virtio_queue_set_vector(vdev, index, index);
-    }
-    /* tell notify handler in case of config change */
-    vdev->config_vector = VIRTIO_CCW_QUEUE_MAX;
-    return 0;
-}
-
-static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev)
-{
-    virtio_ccw_stop_ioeventfd(dev);
-    virtio_reset(vdev);
-    if (dev->indicators) {
-        release_indicator(&dev->routes.adapter, dev->indicators);
-        dev->indicators = NULL;
-    }
-    if (dev->indicators2) {
-        release_indicator(&dev->routes.adapter, dev->indicators2);
-        dev->indicators2 = NULL;
-    }
-    if (dev->summary_indicator) {
-        release_indicator(&dev->routes.adapter, dev->summary_indicator);
-        dev->summary_indicator = NULL;
-    }
-    dev->sch->thinint_active = false;
-}
-
-static int virtio_ccw_handle_set_vq(SubchDev *sch, CCW1 ccw, bool check_len,
-                                    bool is_legacy)
-{
-    int ret;
-    VqInfoBlock info;
-    VqInfoBlockLegacy linfo;
-    size_t info_len = is_legacy ? sizeof(linfo) : sizeof(info);
-
-    if (check_len) {
-        if (ccw.count != info_len) {
-            return -EINVAL;
-        }
-    } else if (ccw.count < info_len) {
-        /* Can't execute command. */
-        return -EINVAL;
-    }
-    if (!ccw.cda) {
-        return -EFAULT;
-    }
-    if (is_legacy) {
-        linfo.queue = address_space_ldq_be(&address_space_memory, ccw.cda,
-                                           MEMTXATTRS_UNSPECIFIED, NULL);
-        linfo.align = address_space_ldl_be(&address_space_memory,
-                                           ccw.cda + sizeof(linfo.queue),
-                                           MEMTXATTRS_UNSPECIFIED,
-                                           NULL);
-        linfo.index = address_space_lduw_be(&address_space_memory,
-                                            ccw.cda + sizeof(linfo.queue)
-                                            + sizeof(linfo.align),
-                                            MEMTXATTRS_UNSPECIFIED,
-                                            NULL);
-        linfo.num = address_space_lduw_be(&address_space_memory,
-                                          ccw.cda + sizeof(linfo.queue)
-                                          + sizeof(linfo.align)
-                                          + sizeof(linfo.index),
-                                          MEMTXATTRS_UNSPECIFIED,
-                                          NULL);
-        ret = virtio_ccw_set_vqs(sch, NULL, &linfo);
-    } else {
-        info.desc = address_space_ldq_be(&address_space_memory, ccw.cda,
-                                           MEMTXATTRS_UNSPECIFIED, NULL);
-        info.index = address_space_lduw_be(&address_space_memory,
-                                           ccw.cda + sizeof(info.desc)
-                                           + sizeof(info.res0),
-                                           MEMTXATTRS_UNSPECIFIED, NULL);
-        info.num = address_space_lduw_be(&address_space_memory,
-                                         ccw.cda + sizeof(info.desc)
-                                         + sizeof(info.res0)
-                                         + sizeof(info.index),
-                                         MEMTXATTRS_UNSPECIFIED, NULL);
-        info.avail = address_space_ldq_be(&address_space_memory,
-                                          ccw.cda + sizeof(info.desc)
-                                          + sizeof(info.res0)
-                                          + sizeof(info.index)
-                                          + sizeof(info.num),
-                                          MEMTXATTRS_UNSPECIFIED, NULL);
-        info.used = address_space_ldq_be(&address_space_memory,
-                                         ccw.cda + sizeof(info.desc)
-                                         + sizeof(info.res0)
-                                         + sizeof(info.index)
-                                         + sizeof(info.num)
-                                         + sizeof(info.avail),
-                                         MEMTXATTRS_UNSPECIFIED, NULL);
-        ret = virtio_ccw_set_vqs(sch, &info, NULL);
-    }
-    sch->curr_status.scsw.count = 0;
-    return ret;
-}
-
-static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
-{
-    int ret;
-    VirtioRevInfo revinfo;
-    uint8_t status;
-    VirtioFeatDesc features;
-    void *config;
-    hwaddr indicators;
-    VqConfigBlock vq_config;
-    VirtioCcwDevice *dev = sch->driver_data;
-    VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
-    bool check_len;
-    int len;
-    hwaddr hw_len;
-    VirtioThinintInfo *thinint;
-
-    if (!dev) {
-        return -EINVAL;
-    }
-
-    trace_virtio_ccw_interpret_ccw(sch->cssid, sch->ssid, sch->schid,
-                                   ccw.cmd_code);
-    check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));
-
-    /* Look at the command. */
-    switch (ccw.cmd_code) {
-    case CCW_CMD_SET_VQ:
-        ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1);
-        break;
-    case CCW_CMD_VDEV_RESET:
-        virtio_ccw_reset_virtio(dev, vdev);
-        ret = 0;
-        break;
-    case CCW_CMD_READ_FEAT:
-        if (check_len) {
-            if (ccw.count != sizeof(features)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(features)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            features.index = address_space_ldub(&address_space_memory,
-                                                ccw.cda
-                                                + sizeof(features.features),
-                                                MEMTXATTRS_UNSPECIFIED,
-                                                NULL);
-            if (features.index == 0) {
-                if (dev->revision >= 1) {
-                    /* Don't offer legacy features for modern devices. */
-                    features.features = (uint32_t)
-                        (vdev->host_features & ~VIRTIO_LEGACY_FEATURES);
-                } else {
-                    features.features = (uint32_t)vdev->host_features;
-                }
-            } else if ((features.index == 1) && (dev->revision >= 1)) {
-                /*
-                 * Only offer feature bits beyond 31 if the guest has
-                 * negotiated at least revision 1.
-                 */
-                features.features = (uint32_t)(vdev->host_features >> 32);
-            } else {
-                /* Return zeroes if the guest supports more feature bits. */
-                features.features = 0;
-            }
-            address_space_stl_le(&address_space_memory, ccw.cda,
-                                 features.features, MEMTXATTRS_UNSPECIFIED,
-                                 NULL);
-            sch->curr_status.scsw.count = ccw.count - sizeof(features);
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_WRITE_FEAT:
-        if (check_len) {
-            if (ccw.count != sizeof(features)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(features)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            features.index = address_space_ldub(&address_space_memory,
-                                                ccw.cda
-                                                + sizeof(features.features),
-                                                MEMTXATTRS_UNSPECIFIED,
-                                                NULL);
-            features.features = address_space_ldl_le(&address_space_memory,
-                                                     ccw.cda,
-                                                     MEMTXATTRS_UNSPECIFIED,
-                                                     NULL);
-            if (features.index == 0) {
-                virtio_set_features(vdev,
-                                    (vdev->guest_features & 0xffffffff00000000ULL) |
-                                    features.features);
-            } else if ((features.index == 1) && (dev->revision >= 1)) {
-                /*
-                 * If the guest did not negotiate at least revision 1,
-                 * we did not offer it any feature bits beyond 31. Such a
-                 * guest passing us any bit here is therefore buggy.
-                 */
-                virtio_set_features(vdev,
-                                    (vdev->guest_features & 0x00000000ffffffffULL) |
-                                    ((uint64_t)features.features << 32));
-            } else {
-                /*
-                 * If the guest supports more feature bits, assert that it
-                 * passes us zeroes for those we don't support.
-                 */
-                if (features.features) {
-                    fprintf(stderr, "Guest bug: features[%i]=%x (expected 0)\n",
-                            features.index, features.features);
-                    /* XXX: do a unit check here? */
-                }
-            }
-            sch->curr_status.scsw.count = ccw.count - sizeof(features);
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_READ_CONF:
-        if (check_len) {
-            if (ccw.count > vdev->config_len) {
-                ret = -EINVAL;
-                break;
-            }
-        }
-        len = MIN(ccw.count, vdev->config_len);
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            virtio_bus_get_vdev_config(&dev->bus, vdev->config);
-            /* XXX config space endianness */
-            cpu_physical_memory_write(ccw.cda, vdev->config, len);
-            sch->curr_status.scsw.count = ccw.count - len;
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_WRITE_CONF:
-        if (check_len) {
-            if (ccw.count > vdev->config_len) {
-                ret = -EINVAL;
-                break;
-            }
-        }
-        len = MIN(ccw.count, vdev->config_len);
-        hw_len = len;
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            config = cpu_physical_memory_map(ccw.cda, &hw_len, 0);
-            if (!config) {
-                ret = -EFAULT;
-            } else {
-                len = hw_len;
-                /* XXX config space endianness */
-                memcpy(vdev->config, config, len);
-                cpu_physical_memory_unmap(config, hw_len, 0, hw_len);
-                virtio_bus_set_vdev_config(&dev->bus, vdev->config);
-                sch->curr_status.scsw.count = ccw.count - len;
-                ret = 0;
-            }
-        }
-        break;
-    case CCW_CMD_WRITE_STATUS:
-        if (check_len) {
-            if (ccw.count != sizeof(status)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(status)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            status = address_space_ldub(&address_space_memory, ccw.cda,
-                                        MEMTXATTRS_UNSPECIFIED, NULL);
-            if (!(status & VIRTIO_CONFIG_S_DRIVER_OK)) {
-                virtio_ccw_stop_ioeventfd(dev);
-            }
-            if (virtio_set_status(vdev, status) == 0) {
-                if (vdev->status == 0) {
-                    virtio_ccw_reset_virtio(dev, vdev);
-                }
-                if (status & VIRTIO_CONFIG_S_DRIVER_OK) {
-                    virtio_ccw_start_ioeventfd(dev);
-                }
-                sch->curr_status.scsw.count = ccw.count - sizeof(status);
-                ret = 0;
-            } else {
-                /* Trigger a command reject. */
-                ret = -ENOSYS;
-            }
-        }
-        break;
-    case CCW_CMD_SET_IND:
-        if (check_len) {
-            if (ccw.count != sizeof(indicators)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(indicators)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (sch->thinint_active) {
-            /* Trigger a command reject. */
-            ret = -ENOSYS;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
-                                              MEMTXATTRS_UNSPECIFIED, NULL);
-            dev->indicators = get_indicator(indicators, sizeof(uint64_t));
-            sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_SET_CONF_IND:
-        if (check_len) {
-            if (ccw.count != sizeof(indicators)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(indicators)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            indicators = address_space_ldq_be(&address_space_memory, ccw.cda,
-                                              MEMTXATTRS_UNSPECIFIED, NULL);
-            dev->indicators2 = get_indicator(indicators, sizeof(uint64_t));
-            sch->curr_status.scsw.count = ccw.count - sizeof(indicators);
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_READ_VQ_CONF:
-        if (check_len) {
-            if (ccw.count != sizeof(vq_config)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(vq_config)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else {
-            vq_config.index = address_space_lduw_be(&address_space_memory,
-                                                    ccw.cda,
-                                                    MEMTXATTRS_UNSPECIFIED,
-                                                    NULL);
-            if (vq_config.index >= VIRTIO_CCW_QUEUE_MAX) {
-                ret = -EINVAL;
-                break;
-            }
-            vq_config.num_max = virtio_queue_get_num(vdev,
-                                                     vq_config.index);
-            address_space_stw_be(&address_space_memory,
-                                 ccw.cda + sizeof(vq_config.index),
-                                 vq_config.num_max,
-                                 MEMTXATTRS_UNSPECIFIED,
-                                 NULL);
-            sch->curr_status.scsw.count = ccw.count - sizeof(vq_config);
-            ret = 0;
-        }
-        break;
-    case CCW_CMD_SET_IND_ADAPTER:
-        if (check_len) {
-            if (ccw.count != sizeof(*thinint)) {
-                ret = -EINVAL;
-                break;
-            }
-        } else if (ccw.count < sizeof(*thinint)) {
-            /* Can't execute command. */
-            ret = -EINVAL;
-            break;
-        }
-        len = sizeof(*thinint);
-        hw_len = len;
-        if (!ccw.cda) {
-            ret = -EFAULT;
-        } else if (dev->indicators && !sch->thinint_active) {
-            /* Trigger a command reject. */
-            ret = -ENOSYS;
-        } else {
-            thinint = cpu_physical_memory_map(ccw.cda, &hw_len, 0);
-            if (!thinint) {
-                ret = -EFAULT;
-            } else {
-                uint64_t ind_bit = ldq_be_p(&thinint->ind_bit);
-
-                len = hw_len;
-                dev->summary_indicator =
-                    get_indicator(ldq_be_p(&thinint->summary_indicator),
-                                  sizeof(uint8_t));
-                dev->indicators =
-                    get_indicator(ldq_be_p(&thinint->device_indicator),
-                                  ind_bit / 8 + 1);
-                dev->thinint_isc = thinint->isc;
-                dev->routes.adapter.ind_offset = ind_bit;
-                dev->routes.adapter.summary_offset = 7;
-                cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len);
-                ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
-                                              dev->thinint_isc, true, false,
-                                              &dev->routes.adapter.adapter_id);
-                assert(ret == 0);
-                sch->thinint_active = ((dev->indicators != NULL) &&
-                                       (dev->summary_indicator != NULL));
-                sch->curr_status.scsw.count = ccw.count - len;
-                ret = 0;
-            }
-        }
-        break;
-    case CCW_CMD_SET_VIRTIO_REV:
-        len = sizeof(revinfo);
-        if (ccw.count < len) {
-            ret = -EINVAL;
-            break;
-        }
-        if (!ccw.cda) {
-            ret = -EFAULT;
-            break;
-        }
-        revinfo.revision =
-            address_space_lduw_be(&address_space_memory, ccw.cda,
-                                  MEMTXATTRS_UNSPECIFIED, NULL);
-        revinfo.length =
-            address_space_lduw_be(&address_space_memory,
-                                  ccw.cda + sizeof(revinfo.revision),
-                                  MEMTXATTRS_UNSPECIFIED, NULL);
-        if (ccw.count < len + revinfo.length ||
-            (check_len && ccw.count > len + revinfo.length)) {
-            ret = -EINVAL;
-            break;
-        }
-        /*
-         * Once we start to support revisions with additional data, we'll
-         * need to fetch it here. Nothing to do for now, though.
-         */
-        if (dev->revision >= 0 ||
-            revinfo.revision > virtio_ccw_rev_max(dev)) {
-            ret = -ENOSYS;
-            break;
-        }
-        ret = 0;
-        dev->revision = revinfo.revision;
-        break;
-    default:
-        ret = -ENOSYS;
-        break;
-    }
-    return ret;
-}
-
-static void virtio_sch_disable_cb(SubchDev *sch)
-{
-    VirtioCcwDevice *dev = sch->driver_data;
-
-    dev->revision = -1;
-}
-
-static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
-{
-    unsigned int cssid = 0;
-    unsigned int ssid = 0;
-    unsigned int schid;
-    unsigned int devno;
-    bool have_devno = false;
-    bool found = false;
-    SubchDev *sch;
-    int num;
-    Error *err = NULL;
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
-
-    sch = g_malloc0(sizeof(SubchDev));
-
-    sch->driver_data = dev;
-    dev->sch = sch;
-
-    dev->indicators = NULL;
-
-    /* Initialize subchannel structure. */
-    sch->channel_prog = 0x0;
-    sch->last_cmd_valid = false;
-    sch->thinint_active = false;
-    /*
-     * Use a device number if provided. Otherwise, fall back to subchannel
-     * number.
-     */
-    if (dev->bus_id) {
-        num = sscanf(dev->bus_id, "%x.%x.%04x", &cssid, &ssid, &devno);
-        if (num == 3) {
-            if ((cssid > MAX_CSSID) || (ssid > MAX_SSID)) {
-                error_setg(errp, "Invalid cssid or ssid: cssid %x, ssid %x",
-                           cssid, ssid);
-                goto out_err;
-            }
-            /* Enforce use of virtual cssid. */
-            if (cssid != VIRTUAL_CSSID) {
-                error_setg(errp, "cssid %x not valid for virtio devices",
-                           cssid);
-                goto out_err;
-            }
-            if (css_devno_used(cssid, ssid, devno)) {
-                error_setg(errp, "Device %x.%x.%04x already exists",
-                           cssid, ssid, devno);
-                goto out_err;
-            }
-            sch->cssid = cssid;
-            sch->ssid = ssid;
-            sch->devno = devno;
-            have_devno = true;
-        } else {
-            error_setg(errp, "Malformed devno parameter '%s'", dev->bus_id);
-            goto out_err;
-        }
-    }
-
-    /* Find the next free id. */
-    if (have_devno) {
-        for (schid = 0; schid <= MAX_SCHID; schid++) {
-            if (!css_find_subch(1, cssid, ssid, schid)) {
-                sch->schid = schid;
-                css_subch_assign(cssid, ssid, schid, devno, sch);
-                found = true;
-                break;
-            }
-        }
-        if (!found) {
-            error_setg(errp, "No free subchannel found for %x.%x.%04x",
-                       cssid, ssid, devno);
-            goto out_err;
-        }
-        trace_virtio_ccw_new_device(cssid, ssid, schid, devno,
-                                    "user-configured");
-    } else {
-        cssid = VIRTUAL_CSSID;
-        for (ssid = 0; ssid <= MAX_SSID; ssid++) {
-            for (schid = 0; schid <= MAX_SCHID; schid++) {
-                if (!css_find_subch(1, cssid, ssid, schid)) {
-                    sch->cssid = cssid;
-                    sch->ssid = ssid;
-                    sch->schid = schid;
-                    devno = schid;
-                    /*
-                     * If the devno is already taken, look further in this
-                     * subchannel set.
-                     */
-                    while (css_devno_used(cssid, ssid, devno)) {
-                        if (devno == MAX_SCHID) {
-                            devno = 0;
-                        } else if (devno == schid - 1) {
-                            error_setg(errp, "No free devno found");
-                            goto out_err;
-                        } else {
-                            devno++;
-                        }
-                    }
-                    sch->devno = devno;
-                    css_subch_assign(cssid, ssid, schid, devno, sch);
-                    found = true;
-                    break;
-                }
-            }
-            if (found) {
-                break;
-            }
-        }
-        if (!found) {
-            error_setg(errp, "Virtual channel subsystem is full!");
-            goto out_err;
-        }
-        trace_virtio_ccw_new_device(cssid, ssid, schid, devno,
-                                    "auto-configured");
-    }
-
-    /* Build initial schib. */
-    css_sch_build_virtual_schib(sch, 0, VIRTIO_CCW_CHPID_TYPE);
-
-    sch->ccw_cb = virtio_ccw_cb;
-    sch->disable_cb = virtio_sch_disable_cb;
-
-    /* Build senseid data. */
-    memset(&sch->id, 0, sizeof(SenseId));
-    sch->id.reserved = 0xff;
-    sch->id.cu_type = VIRTIO_CCW_CU_TYPE;
-
-    dev->revision = -1;
-
-    if (k->realize) {
-        k->realize(dev, &err);
-    }
-    if (err) {
-        error_propagate(errp, err);
-        css_subch_assign(cssid, ssid, schid, devno, NULL);
-        goto out_err;
-    }
-
-    return;
-
-out_err:
-    dev->sch = NULL;
-    g_free(sch);
-}
-
-static int virtio_ccw_exit(VirtioCcwDevice *dev)
-{
-    SubchDev *sch = dev->sch;
-
-    if (sch) {
-        css_subch_assign(sch->cssid, sch->ssid, sch->schid, sch->devno, NULL);
-        g_free(sch);
-    }
-    if (dev->indicators) {
-        release_indicator(&dev->routes.adapter, dev->indicators);
-        dev->indicators = NULL;
-    }
-    return 0;
-}
-
-static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    DeviceState *qdev = DEVICE(ccw_dev);
-    VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    virtio_net_set_netclient_name(&dev->vdev, qdev->id,
-                                  object_get_typename(OBJECT(qdev)));
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void virtio_ccw_net_instance_init(Object *obj)
-{
-    VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_NET);
-    object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
-}
-
-static void virtio_ccw_blk_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void virtio_ccw_blk_instance_init(Object *obj)
-{
-    VirtIOBlkCcw *dev = VIRTIO_BLK_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_BLK);
-    object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread",
-                              &error_abort);
-    object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
-                              "bootindex", &error_abort);
-}
-
-static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    DeviceState *proxy = DEVICE(ccw_dev);
-    Error *err = NULL;
-    char *bus_name;
-
-    /*
-     * For command line compatibility, this sets the virtio-serial-device bus
-     * name as before.
-     */
-    if (proxy->id) {
-        bus_name = g_strdup_printf("%s.0", proxy->id);
-        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
-        g_free(bus_name);
-    }
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-
-static void virtio_ccw_serial_instance_init(Object *obj)
-{
-    VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_SERIAL);
-}
-
-static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void virtio_ccw_balloon_instance_init(Object *obj)
-{
-    VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_BALLOON);
-    object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
-                              "guest-stats", &error_abort);
-    object_property_add_alias(obj, "guest-stats-polling-interval",
-                              OBJECT(&dev->vdev),
-                              "guest-stats-polling-interval", &error_abort);
-}
-
-static void virtio_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    DeviceState *qdev = DEVICE(ccw_dev);
-    Error *err = NULL;
-    char *bus_name;
-
-    /*
-     * For command line compatibility, this sets the virtio-scsi-device bus
-     * name as before.
-     */
-    if (qdev->id) {
-        bus_name = g_strdup_printf("%s.0", qdev->id);
-        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
-        g_free(bus_name);
-    }
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void virtio_ccw_scsi_instance_init(Object *obj)
-{
-    VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_SCSI);
-    object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev), "iothread",
-                              &error_abort);
-}
-
-#ifdef CONFIG_VHOST_SCSI
-static void vhost_ccw_scsi_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VHostSCSICcw *dev = VHOST_SCSI_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void vhost_ccw_scsi_instance_init(Object *obj)
-{
-    VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VHOST_SCSI);
-}
-#endif
-
-static void virtio_ccw_rng_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    VirtIORNGCcw *dev = VIRTIO_RNG_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
-
-    object_property_set_link(OBJECT(dev),
-                             OBJECT(dev->vdev.conf.rng), "rng",
-                             NULL);
-}
-
-/* DeviceState to VirtioCcwDevice. Note: used on datapath,
- * be careful and test performance if you change this.
- */
-static inline VirtioCcwDevice *to_virtio_ccw_dev_fast(DeviceState *d)
-{
-    return container_of(d, VirtioCcwDevice, parent_obj);
-}
-
-static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc,
-                                     uint8_t to_be_set)
-{
-    uint8_t ind_old, ind_new;
-    hwaddr len = 1;
-    uint8_t *ind_addr;
-
-    ind_addr = cpu_physical_memory_map(ind_loc, &len, 1);
-    if (!ind_addr) {
-        error_report("%s(%x.%x.%04x): unable to access indicator",
-                     __func__, sch->cssid, sch->ssid, sch->schid);
-        return -1;
-    }
-    do {
-        ind_old = *ind_addr;
-        ind_new = ind_old | to_be_set;
-    } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old);
-    cpu_physical_memory_unmap(ind_addr, len, 1, len);
-
-    return ind_old;
-}
-
-static void virtio_ccw_notify(DeviceState *d, uint16_t vector)
-{
-    VirtioCcwDevice *dev = to_virtio_ccw_dev_fast(d);
-    SubchDev *sch = dev->sch;
-    uint64_t indicators;
-
-    /* queue indicators + secondary indicators */
-    if (vector >= VIRTIO_CCW_QUEUE_MAX + 64) {
-        return;
-    }
-
-    if (vector < VIRTIO_CCW_QUEUE_MAX) {
-        if (!dev->indicators) {
-            return;
-        }
-        if (sch->thinint_active) {
-            /*
-             * In the adapter interrupt case, indicators points to a
-             * memory area that may be (way) larger than 64 bit and
-             * ind_bit indicates the start of the indicators in a big
-             * endian notation.
-             */
-            uint64_t ind_bit = dev->routes.adapter.ind_offset;
-
-            virtio_set_ind_atomic(sch, dev->indicators->addr +
-                                  (ind_bit + vector) / 8,
-                                  0x80 >> ((ind_bit + vector) % 8));
-            if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr,
-                                       0x01)) {
-                css_adapter_interrupt(dev->thinint_isc);
-            }
-        } else {
-            indicators = address_space_ldq(&address_space_memory,
-                                           dev->indicators->addr,
-                                           MEMTXATTRS_UNSPECIFIED,
-                                           NULL);
-            indicators |= 1ULL << vector;
-            address_space_stq(&address_space_memory, dev->indicators->addr,
-                              indicators, MEMTXATTRS_UNSPECIFIED, NULL);
-            css_conditional_io_interrupt(sch);
-        }
-    } else {
-        if (!dev->indicators2) {
-            return;
-        }
-        vector = 0;
-        indicators = address_space_ldq(&address_space_memory,
-                                       dev->indicators2->addr,
-                                       MEMTXATTRS_UNSPECIFIED,
-                                       NULL);
-        indicators |= 1ULL << vector;
-        address_space_stq(&address_space_memory, dev->indicators2->addr,
-                          indicators, MEMTXATTRS_UNSPECIFIED, NULL);
-        css_conditional_io_interrupt(sch);
-    }
-}
-
-static void virtio_ccw_reset(DeviceState *d)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-
-    virtio_ccw_reset_virtio(dev, vdev);
-    css_reset_sch(dev->sch);
-}
-
-static void virtio_ccw_vmstate_change(DeviceState *d, bool running)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-
-    if (running) {
-        virtio_ccw_start_ioeventfd(dev);
-    } else {
-        virtio_ccw_stop_ioeventfd(dev);
-    }
-}
-
-static bool virtio_ccw_query_guest_notifiers(DeviceState *d)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-
-    return !!(dev->sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA);
-}
-
-static int virtio_ccw_set_host_notifier(DeviceState *d, int n, bool assign)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-
-    /* Stop using the generic ioeventfd, we are doing eventfd handling
-     * ourselves below */
-    dev->ioeventfd_disabled = assign;
-    if (assign) {
-        virtio_ccw_stop_ioeventfd(dev);
-    }
-    return virtio_ccw_set_guest2host_notifier(dev, n, assign, false);
-}
-
-static int virtio_ccw_get_mappings(VirtioCcwDevice *dev)
-{
-    int r;
-
-    if (!dev->sch->thinint_active) {
-        return -EINVAL;
-    }
-
-    r = map_indicator(&dev->routes.adapter, dev->summary_indicator);
-    if (r) {
-        return r;
-    }
-    r = map_indicator(&dev->routes.adapter, dev->indicators);
-    if (r) {
-        return r;
-    }
-    dev->routes.adapter.summary_addr = dev->summary_indicator->map;
-    dev->routes.adapter.ind_addr = dev->indicators->map;
-
-    return 0;
-}
-
-static int virtio_ccw_setup_irqroutes(VirtioCcwDevice *dev, int nvqs)
-{
-    int i;
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    int ret;
-    S390FLICState *fs = s390_get_flic();
-    S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
-
-    ret = virtio_ccw_get_mappings(dev);
-    if (ret) {
-        return ret;
-    }
-    for (i = 0; i < nvqs; i++) {
-        if (!virtio_queue_get_num(vdev, i)) {
-            break;
-        }
-    }
-    dev->routes.num_routes = i;
-    return fsc->add_adapter_routes(fs, &dev->routes);
-}
-
-static void virtio_ccw_release_irqroutes(VirtioCcwDevice *dev, int nvqs)
-{
-    S390FLICState *fs = s390_get_flic();
-    S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
-
-    fsc->release_adapter_routes(fs, &dev->routes);
-}
-
-static int virtio_ccw_add_irqfd(VirtioCcwDevice *dev, int n)
-{
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, n);
-    EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
-
-    return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, notifier, NULL,
-                                              dev->routes.gsi[n]);
-}
-
-static void virtio_ccw_remove_irqfd(VirtioCcwDevice *dev, int n)
-{
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, n);
-    EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
-    int ret;
-
-    ret = kvm_irqchip_remove_irqfd_notifier_gsi(kvm_state, notifier,
-                                                dev->routes.gsi[n]);
-    assert(ret == 0);
-}
-
-static int virtio_ccw_set_guest_notifier(VirtioCcwDevice *dev, int n,
-                                         bool assign, bool with_irqfd)
-{
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    VirtQueue *vq = virtio_get_queue(vdev, n);
-    EventNotifier *notifier = virtio_queue_get_guest_notifier(vq);
-    VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
-
-    if (assign) {
-        int r = event_notifier_init(notifier, 0);
-
-        if (r < 0) {
-            return r;
-        }
-        virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd);
-        if (with_irqfd) {
-            r = virtio_ccw_add_irqfd(dev, n);
-            if (r) {
-                virtio_queue_set_guest_notifier_fd_handler(vq, false,
-                                                           with_irqfd);
-                return r;
-            }
-        }
-        /*
-         * We do not support individual masking for channel devices, so we
-         * need to manually trigger any guest masking callbacks here.
-         */
-        if (k->guest_notifier_mask) {
-            k->guest_notifier_mask(vdev, n, false);
-        }
-        /* get lost events and re-inject */
-        if (k->guest_notifier_pending &&
-            k->guest_notifier_pending(vdev, n)) {
-            event_notifier_set(notifier);
-        }
-    } else {
-        if (k->guest_notifier_mask) {
-            k->guest_notifier_mask(vdev, n, true);
-        }
-        if (with_irqfd) {
-            virtio_ccw_remove_irqfd(dev, n);
-        }
-        virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd);
-        event_notifier_cleanup(notifier);
-    }
-    return 0;
-}
-
-static int virtio_ccw_set_guest_notifiers(DeviceState *d, int nvqs,
-                                          bool assigned)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    bool with_irqfd = dev->sch->thinint_active && kvm_irqfds_enabled();
-    int r, n;
-
-    if (with_irqfd && assigned) {
-        /* irq routes need to be set up before assigning irqfds */
-        r = virtio_ccw_setup_irqroutes(dev, nvqs);
-        if (r < 0) {
-            goto irqroute_error;
-        }
-    }
-    for (n = 0; n < nvqs; n++) {
-        if (!virtio_queue_get_num(vdev, n)) {
-            break;
-        }
-        r = virtio_ccw_set_guest_notifier(dev, n, assigned, with_irqfd);
-        if (r < 0) {
-            goto assign_error;
-        }
-    }
-    if (with_irqfd && !assigned) {
-        /* release irq routes after irqfds have been released */
-        virtio_ccw_release_irqroutes(dev, nvqs);
-    }
-    return 0;
-
-assign_error:
-    while (--n >= 0) {
-        virtio_ccw_set_guest_notifier(dev, n, !assigned, false);
-    }
-irqroute_error:
-    if (with_irqfd && assigned) {
-        virtio_ccw_release_irqroutes(dev, nvqs);
-    }
-    return r;
-}
-
-static void virtio_ccw_save_queue(DeviceState *d, int n, QEMUFile *f)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-
-    qemu_put_be16(f, virtio_queue_vector(vdev, n));
-}
-
-static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    uint16_t vector;
-
-    qemu_get_be16s(f, &vector);
-    virtio_queue_set_vector(vdev, n , vector);
-
-    return 0;
-}
-
-static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    SubchDev *s = dev->sch;
-    VirtIODevice *vdev = virtio_ccw_get_vdev(s);
-
-    subch_device_save(s, f);
-    if (dev->indicators != NULL) {
-        qemu_put_be32(f, dev->indicators->len);
-        qemu_put_be64(f, dev->indicators->addr);
-    } else {
-        qemu_put_be32(f, 0);
-        qemu_put_be64(f, 0UL);
-    }
-    if (dev->indicators2 != NULL) {
-        qemu_put_be32(f, dev->indicators2->len);
-        qemu_put_be64(f, dev->indicators2->addr);
-    } else {
-        qemu_put_be32(f, 0);
-        qemu_put_be64(f, 0UL);
-    }
-    if (dev->summary_indicator != NULL) {
-        qemu_put_be32(f, dev->summary_indicator->len);
-        qemu_put_be64(f, dev->summary_indicator->addr);
-    } else {
-        qemu_put_be32(f, 0);
-        qemu_put_be64(f, 0UL);
-    }
-    qemu_put_be16(f, vdev->config_vector);
-    qemu_put_be64(f, dev->routes.adapter.ind_offset);
-    qemu_put_byte(f, dev->thinint_isc);
-    qemu_put_be32(f, dev->revision);
-}
-
-static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    SubchDev *s = dev->sch;
-    VirtIODevice *vdev = virtio_ccw_get_vdev(s);
-    int len;
-
-    s->driver_data = dev;
-    subch_device_load(s, f);
-    len = qemu_get_be32(f);
-    if (len != 0) {
-        dev->indicators = get_indicator(qemu_get_be64(f), len);
-    } else {
-        qemu_get_be64(f);
-        dev->indicators = NULL;
-    }
-    len = qemu_get_be32(f);
-    if (len != 0) {
-        dev->indicators2 = get_indicator(qemu_get_be64(f), len);
-    } else {
-        qemu_get_be64(f);
-        dev->indicators2 = NULL;
-    }
-    len = qemu_get_be32(f);
-    if (len != 0) {
-        dev->summary_indicator = get_indicator(qemu_get_be64(f), len);
-    } else {
-        qemu_get_be64(f);
-        dev->summary_indicator = NULL;
-    }
-    qemu_get_be16s(f, &vdev->config_vector);
-    dev->routes.adapter.ind_offset = qemu_get_be64(f);
-    dev->thinint_isc = qemu_get_byte(f);
-    dev->revision = qemu_get_be32(f);
-    if (s->thinint_active) {
-        return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
-                                       dev->thinint_isc, true, false,
-                                       &dev->routes.adapter.adapter_id);
-    }
-
-    return 0;
-}
-
-/* This is called by virtio-bus just after the device is plugged. */
-static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-    SubchDev *sch = dev->sch;
-    int n = virtio_get_num_queues(vdev);
-
-    if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) {
-        error_setg(errp, "The nubmer of virtqueues %d "
-                   "exceeds ccw limit %d", n,
-                   VIRTIO_CCW_QUEUE_MAX);
-        return;
-    }
-
-    if (!kvm_eventfds_enabled()) {
-        dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
-    }
-
-    sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
-
-    if (dev->max_rev >= 1) {
-        virtio_add_feature(&vdev->host_features, VIRTIO_F_VERSION_1);
-    }
-
-    css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
-                          d->hotplugged, 1);
-}
-
-static void virtio_ccw_post_plugged(DeviceState *d, Error **errp)
-{
-   VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-   VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
-
-   if (!virtio_host_has_feature(vdev, VIRTIO_F_VERSION_1)) {
-        /* A backend didn't support modern virtio. */
-       dev->max_rev = 0;
-   }
-}
-
-static void virtio_ccw_device_unplugged(DeviceState *d)
-{
-    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-
-    virtio_ccw_stop_ioeventfd(dev);
-}
-/**************** Virtio-ccw Bus Device Descriptions *******************/
-
-static Property virtio_ccw_net_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_net_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_net_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_net_properties;
-    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_net = {
-    .name          = TYPE_VIRTIO_NET_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtIONetCcw),
-    .instance_init = virtio_ccw_net_instance_init,
-    .class_init    = virtio_ccw_net_class_init,
-};
-
-static Property virtio_ccw_blk_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_blk_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_blk_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_blk_properties;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_blk = {
-    .name          = TYPE_VIRTIO_BLK_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtIOBlkCcw),
-    .instance_init = virtio_ccw_blk_instance_init,
-    .class_init    = virtio_ccw_blk_class_init,
-};
-
-static Property virtio_ccw_serial_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_serial_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_serial_properties;
-    set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_serial = {
-    .name          = TYPE_VIRTIO_SERIAL_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtioSerialCcw),
-    .instance_init = virtio_ccw_serial_instance_init,
-    .class_init    = virtio_ccw_serial_class_init,
-};
-
-static Property virtio_ccw_balloon_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_balloon_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_balloon_properties;
-    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_balloon = {
-    .name          = TYPE_VIRTIO_BALLOON_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtIOBalloonCcw),
-    .instance_init = virtio_ccw_balloon_instance_init,
-    .class_init    = virtio_ccw_balloon_class_init,
-};
-
-static Property virtio_ccw_scsi_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_scsi_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_scsi_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_scsi_properties;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_scsi = {
-    .name          = TYPE_VIRTIO_SCSI_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtIOSCSICcw),
-    .instance_init = virtio_ccw_scsi_instance_init,
-    .class_init    = virtio_ccw_scsi_class_init,
-};
-
-#ifdef CONFIG_VHOST_SCSI
-static Property vhost_ccw_scsi_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void vhost_ccw_scsi_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = vhost_ccw_scsi_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = vhost_ccw_scsi_properties;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static const TypeInfo vhost_ccw_scsi = {
-    .name          = TYPE_VHOST_SCSI_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VHostSCSICcw),
-    .instance_init = vhost_ccw_scsi_instance_init,
-    .class_init    = vhost_ccw_scsi_class_init,
-};
-#endif
-
-static void virtio_ccw_rng_instance_init(Object *obj)
-{
-    VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_RNG);
-    object_property_add_alias(obj, "rng", OBJECT(&dev->vdev),
-                              "rng", &error_abort);
-}
-
-static Property virtio_ccw_rng_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_rng_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->realize = virtio_ccw_rng_realize;
-    k->exit = virtio_ccw_exit;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_rng_properties;
-    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
-}
-
-static const TypeInfo virtio_ccw_rng = {
-    .name          = TYPE_VIRTIO_RNG_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(VirtIORNGCcw),
-    .instance_init = virtio_ccw_rng_instance_init,
-    .class_init    = virtio_ccw_rng_class_init,
-};
-
-static void virtio_ccw_busdev_realize(DeviceState *dev, Error **errp)
-{
-    VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
-
-    virtio_ccw_bus_new(&_dev->bus, sizeof(_dev->bus), _dev);
-    virtio_ccw_device_realize(_dev, errp);
-}
-
-static int virtio_ccw_busdev_exit(DeviceState *dev)
-{
-    VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
-    VirtIOCCWDeviceClass *_info = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
-
-    return _info->exit(_dev);
-}
-
-static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
-                                     DeviceState *dev, Error **errp)
-{
-    VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
-    SubchDev *sch = _dev->sch;
-
-    virtio_ccw_stop_ioeventfd(_dev);
-
-    /*
-     * We should arrive here only for device_del, since we don't support
-     * direct hot(un)plug of channels, but only through virtio.
-     */
-    assert(sch != NULL);
-    /* Subchannel is now disabled and no longer valid. */
-    sch->curr_status.pmcw.flags &= ~(PMCW_FLAGS_MASK_ENA |
-                                     PMCW_FLAGS_MASK_DNV);
-
-    css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid, 1, 0);
-
-    object_unparent(OBJECT(dev));
-}
-
-static void virtio_ccw_device_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = virtio_ccw_busdev_realize;
-    dc->exit = virtio_ccw_busdev_exit;
-    dc->bus_type = TYPE_VIRTUAL_CSS_BUS;
-}
-
-static const TypeInfo virtio_ccw_device_info = {
-    .name = TYPE_VIRTIO_CCW_DEVICE,
-    .parent = TYPE_DEVICE,
-    .instance_size = sizeof(VirtioCcwDevice),
-    .class_init = virtio_ccw_device_class_init,
-    .class_size = sizeof(VirtIOCCWDeviceClass),
-    .abstract = true,
-};
-
-/***************** Virtual-css Bus Bridge Device ********************/
-/* Only required to have the virtio bus as child in the system bus */
-
-static int virtual_css_bridge_init(SysBusDevice *dev)
-{
-    /* nothing */
-    return 0;
-}
-
-static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
-{
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    k->init = virtual_css_bridge_init;
-    hc->unplug = virtio_ccw_busdev_unplug;
-    set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
-}
-
-static const TypeInfo virtual_css_bridge_info = {
-    .name          = "virtual-css-bridge",
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(SysBusDevice),
-    .class_init    = virtual_css_bridge_class_init,
-    .interfaces = (InterfaceInfo[]) {
-        { TYPE_HOTPLUG_HANDLER },
-        { }
-    }
-};
-
-/* virtio-ccw-bus */
-
-static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
-                               VirtioCcwDevice *dev)
-{
-    DeviceState *qdev = DEVICE(dev);
-    char virtio_bus_name[] = "virtio-bus";
-
-    qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_CCW_BUS,
-                        qdev, virtio_bus_name);
-}
-
-static void virtio_ccw_bus_class_init(ObjectClass *klass, void *data)
-{
-    VirtioBusClass *k = VIRTIO_BUS_CLASS(klass);
-    BusClass *bus_class = BUS_CLASS(klass);
-
-    bus_class->max_dev = 1;
-    k->notify = virtio_ccw_notify;
-    k->vmstate_change = virtio_ccw_vmstate_change;
-    k->query_guest_notifiers = virtio_ccw_query_guest_notifiers;
-    k->set_host_notifier = virtio_ccw_set_host_notifier;
-    k->set_guest_notifiers = virtio_ccw_set_guest_notifiers;
-    k->save_queue = virtio_ccw_save_queue;
-    k->load_queue = virtio_ccw_load_queue;
-    k->save_config = virtio_ccw_save_config;
-    k->load_config = virtio_ccw_load_config;
-    k->device_plugged = virtio_ccw_device_plugged;
-    k->post_plugged = virtio_ccw_post_plugged;
-    k->device_unplugged = virtio_ccw_device_unplugged;
-}
-
-static const TypeInfo virtio_ccw_bus_info = {
-    .name = TYPE_VIRTIO_CCW_BUS,
-    .parent = TYPE_VIRTIO_BUS,
-    .instance_size = sizeof(VirtioCcwBusState),
-    .class_init = virtio_ccw_bus_class_init,
-};
-
-#ifdef CONFIG_VIRTFS
-static Property virtio_ccw_9p_properties[] = {
-    DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
-            VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
-    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
-                       VIRTIO_CCW_MAX_REV),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_ccw_9p_realize(VirtioCcwDevice *ccw_dev, Error **errp)
-{
-    V9fsCCWState *dev = VIRTIO_9P_CCW(ccw_dev);
-    DeviceState *vdev = DEVICE(&dev->vdev);
-    Error *err = NULL;
-
-    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
-    object_property_set_bool(OBJECT(vdev), true, "realized", &err);
-    if (err) {
-        error_propagate(errp, err);
-    }
-}
-
-static void virtio_ccw_9p_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
-
-    k->exit = virtio_ccw_exit;
-    k->realize = virtio_ccw_9p_realize;
-    dc->reset = virtio_ccw_reset;
-    dc->props = virtio_ccw_9p_properties;
-    set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
-}
-
-static void virtio_ccw_9p_instance_init(Object *obj)
-{
-    V9fsCCWState *dev = VIRTIO_9P_CCW(obj);
-
-    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
-                                TYPE_VIRTIO_9P);
-}
-
-static const TypeInfo virtio_ccw_9p_info = {
-    .name          = TYPE_VIRTIO_9P_CCW,
-    .parent        = TYPE_VIRTIO_CCW_DEVICE,
-    .instance_size = sizeof(V9fsCCWState),
-    .instance_init = virtio_ccw_9p_instance_init,
-    .class_init    = virtio_ccw_9p_class_init,
-};
-#endif
-
-static void virtio_ccw_register(void)
-{
-    type_register_static(&virtio_ccw_bus_info);
-    type_register_static(&virtual_css_bus_info);
-    type_register_static(&virtio_ccw_device_info);
-    type_register_static(&virtio_ccw_serial);
-    type_register_static(&virtio_ccw_blk);
-    type_register_static(&virtio_ccw_net);
-    type_register_static(&virtio_ccw_balloon);
-    type_register_static(&virtio_ccw_scsi);
-#ifdef CONFIG_VHOST_SCSI
-    type_register_static(&vhost_ccw_scsi);
-#endif
-    type_register_static(&virtio_ccw_rng);
-    type_register_static(&virtual_css_bridge_info);
-#ifdef CONFIG_VIRTFS
-    type_register_static(&virtio_ccw_9p_info);
-#endif
-}
-
-type_init(virtio_ccw_register)