diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c
index 711c11454f..7e7546a576 100644
--- a/hw/intc/s390_flic.c
+++ b/hw/intc/s390_flic.c
@@ -18,6 +18,7 @@
 #include "trace.h"
 #include "hw/qdev.h"
 #include "qapi/error.h"
+#include "hw/s390x/s390-virtio-ccw.h"
 
 S390FLICState *s390_get_flic(void)
 {
@@ -137,3 +138,30 @@ static void qemu_s390_flic_register_types(void)
 }
 
 type_init(qemu_s390_flic_register_types)
+
+const VMStateDescription vmstate_adapter_info = {
+    .name = "s390_adapter_info",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT64(ind_offset, AdapterInfo),
+        /*
+         * We do not have to migrate neither the id nor the addresses.
+         * The id is set by css_register_io_adapter and the addresses
+         * are set based on the IndAddr objects after those get mapped.
+         */
+        VMSTATE_END_OF_LIST()
+    },
+};
+
+const VMStateDescription vmstate_adapter_routes = {
+
+    .name = "s390_adapter_routes",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_STRUCT(adapter, AdapterRoutes, 1, vmstate_adapter_info, \
+                       AdapterInfo),
+        VMSTATE_END_OF_LIST()
+    }
+};
diff --git a/hw/s390x/ccw-device.c b/hw/s390x/ccw-device.c
index fb8d640a7e..f9bfa154d6 100644
--- a/hw/s390x/ccw-device.c
+++ b/hw/s390x/ccw-device.c
@@ -50,6 +50,16 @@ static void ccw_device_class_init(ObjectClass *klass, void *data)
     dc->props = ccw_device_properties;
 }
 
+const VMStateDescription vmstate_ccw_dev = {
+    .name = "s390_ccw_dev",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_STRUCT_POINTER(sch, CcwDevice, vmstate_subch_dev, SubchDev),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const TypeInfo ccw_device_info = {
     .name = TYPE_CCW_DEVICE,
     .parent = TYPE_DEVICE,
diff --git a/hw/s390x/ccw-device.h b/hw/s390x/ccw-device.h
index 89c8e5dff7..4e6af287e7 100644
--- a/hw/s390x/ccw-device.h
+++ b/hw/s390x/ccw-device.h
@@ -27,6 +27,10 @@ typedef struct CcwDevice {
     CssDevId subch_id;
 } CcwDevice;
 
+extern const VMStateDescription vmstate_ccw_dev;
+#define VMSTATE_CCW_DEVICE(_field, _state)                     \
+    VMSTATE_STRUCT(_field, _state, 1, vmstate_ccw_dev, CcwDevice)
+
 typedef struct CCWDeviceClass {
     DeviceClass parent_class;
     void (*unplug)(HotplugHandler *, DeviceState *, Error **);
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 15c4f4b249..15517a16e4 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -20,6 +20,7 @@
 #include "hw/s390x/css.h"
 #include "trace.h"
 #include "hw/s390x/s390_flic.h"
+#include "hw/s390x/s390-virtio-ccw.h"
 
 typedef struct CrwContainer {
     CRW crw;
@@ -38,6 +39,177 @@ typedef struct SubchSet {
     unsigned long devnos_used[BITS_TO_LONGS(MAX_SCHID + 1)];
 } SubchSet;
 
+static const VMStateDescription vmstate_scsw = {
+    .name = "s390_scsw",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT16(flags, SCSW),
+        VMSTATE_UINT16(ctrl, SCSW),
+        VMSTATE_UINT32(cpa, SCSW),
+        VMSTATE_UINT8(dstat, SCSW),
+        VMSTATE_UINT8(cstat, SCSW),
+        VMSTATE_UINT16(count, SCSW),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_pmcw = {
+    .name = "s390_pmcw",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(intparm, PMCW),
+        VMSTATE_UINT16(flags, PMCW),
+        VMSTATE_UINT16(devno, PMCW),
+        VMSTATE_UINT8(lpm, PMCW),
+        VMSTATE_UINT8(pnom, PMCW),
+        VMSTATE_UINT8(lpum, PMCW),
+        VMSTATE_UINT8(pim, PMCW),
+        VMSTATE_UINT16(mbi, PMCW),
+        VMSTATE_UINT8(pom, PMCW),
+        VMSTATE_UINT8(pam, PMCW),
+        VMSTATE_UINT8_ARRAY(chpid, PMCW, 8),
+        VMSTATE_UINT32(chars, PMCW),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_schib = {
+    .name = "s390_schib",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_STRUCT(pmcw, SCHIB, 0, vmstate_pmcw, PMCW),
+        VMSTATE_STRUCT(scsw, SCHIB, 0, vmstate_scsw, SCSW),
+        VMSTATE_UINT64(mba, SCHIB),
+        VMSTATE_UINT8_ARRAY(mda, SCHIB, 4),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+
+static const VMStateDescription vmstate_ccw1 = {
+    .name = "s390_ccw1",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8(cmd_code, CCW1),
+        VMSTATE_UINT8(flags, CCW1),
+        VMSTATE_UINT16(count, CCW1),
+        VMSTATE_UINT32(cda, CCW1),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_ciw = {
+    .name = "s390_ciw",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8(type, CIW),
+        VMSTATE_UINT8(command, CIW),
+        VMSTATE_UINT16(count, CIW),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_sense_id = {
+    .name = "s390_sense_id",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8(reserved, SenseId),
+        VMSTATE_UINT16(cu_type, SenseId),
+        VMSTATE_UINT8(cu_model, SenseId),
+        VMSTATE_UINT16(dev_type, SenseId),
+        VMSTATE_UINT8(dev_model, SenseId),
+        VMSTATE_UINT8(unused, SenseId),
+        VMSTATE_STRUCT_ARRAY(ciw, SenseId, MAX_CIWS, 0, vmstate_ciw, CIW),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static int subch_dev_post_load(void *opaque, int version_id);
+static void subch_dev_pre_save(void *opaque);
+
+const VMStateDescription vmstate_subch_dev = {
+    .name = "s390_subch_dev",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .post_load = subch_dev_post_load,
+    .pre_save = subch_dev_pre_save,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT8_EQUAL(cssid, SubchDev),
+        VMSTATE_UINT8_EQUAL(ssid, SubchDev),
+        VMSTATE_UINT16(migrated_schid, SubchDev),
+        VMSTATE_UINT16(devno, SubchDev),
+        VMSTATE_BOOL(thinint_active, SubchDev),
+        VMSTATE_STRUCT(curr_status, SubchDev, 0, vmstate_schib, SCHIB),
+        VMSTATE_UINT8_ARRAY(sense_data, SubchDev, 32),
+        VMSTATE_UINT64(channel_prog, SubchDev),
+        VMSTATE_STRUCT(last_cmd, SubchDev, 0, vmstate_ccw1, CCW1),
+        VMSTATE_BOOL(last_cmd_valid, SubchDev),
+        VMSTATE_STRUCT(id, SubchDev, 0, vmstate_sense_id, SenseId),
+        VMSTATE_BOOL(ccw_fmt_1, SubchDev),
+        VMSTATE_UINT8(ccw_no_data_cnt, SubchDev),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+typedef struct IndAddrPtrTmp {
+    IndAddr **parent;
+    uint64_t addr;
+    int32_t len;
+} IndAddrPtrTmp;
+
+static int post_load_ind_addr(void *opaque, int version_id)
+{
+    IndAddrPtrTmp *ptmp = opaque;
+    IndAddr **ind_addr = ptmp->parent;
+
+    if (ptmp->len != 0) {
+        *ind_addr = get_indicator(ptmp->addr, ptmp->len);
+    } else {
+        *ind_addr = NULL;
+    }
+    return 0;
+}
+
+static void pre_save_ind_addr(void *opaque)
+{
+    IndAddrPtrTmp *ptmp = opaque;
+    IndAddr *ind_addr = *(ptmp->parent);
+
+    if (ind_addr != NULL) {
+        ptmp->len = ind_addr->len;
+        ptmp->addr = ind_addr->addr;
+    } else {
+        ptmp->len = 0;
+        ptmp->addr = 0L;
+    }
+}
+
+const VMStateDescription vmstate_ind_addr_tmp = {
+    .name = "s390_ind_addr_tmp",
+    .pre_save = pre_save_ind_addr,
+    .post_load = post_load_ind_addr,
+
+    .fields = (VMStateField[]) {
+        VMSTATE_INT32(len, IndAddrPtrTmp),
+        VMSTATE_UINT64(addr, IndAddrPtrTmp),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+const VMStateDescription vmstate_ind_addr = {
+    .name = "s390_ind_addr_tmp",
+    .fields = (VMStateField[]) {
+        VMSTATE_WITH_TMP(IndAddr*, IndAddrPtrTmp, vmstate_ind_addr_tmp),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 typedef struct CssImage {
     SubchSet *sch_set[MAX_SSID + 1];
     ChpInfo chpids[MAX_CHPID + 1];
@@ -75,6 +247,52 @@ static ChannelSubSys channel_subsys = {
         QTAILQ_HEAD_INITIALIZER(channel_subsys.indicator_addresses),
 };
 
+static void subch_dev_pre_save(void *opaque)
+{
+    SubchDev *s = opaque;
+
+    /* Prepare remote_schid for save */
+    s->migrated_schid = s->schid;
+}
+
+static int subch_dev_post_load(void *opaque, int version_id)
+{
+
+    SubchDev *s = opaque;
+
+    /* Re-assign the subchannel to remote_schid if necessary */
+    if (s->migrated_schid != s->schid) {
+        if (css_find_subch(true, s->cssid, s->ssid, s->schid) == s) {
+            /*
+             * Cleanup the slot before moving to s->migrated_schid provided
+             * it still belongs to us, i.e. it was not changed by previous
+             * invocation of this function.
+             */
+            css_subch_assign(s->cssid, s->ssid, s->schid, s->devno, NULL);
+        }
+        /* It's OK to re-assign without a prior de-assign. */
+        s->schid = s->migrated_schid;
+        css_subch_assign(s->cssid, s->ssid, s->schid, s->devno, s);
+    }
+
+    /*
+     * Hack alert. If we don't migrate the channel subsystem status
+     * we still need to find out if the guest enabled mss/mcss-e.
+     * If the subchannel is enabled, it certainly was able to access it,
+     * so adjust the max_ssid/max_cssid values for relevant ssid/cssid
+     * values. This is not watertight, but better than nothing.
+     */
+    if (s->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA) {
+        if (s->ssid) {
+            channel_subsys.max_ssid = MAX_SSID;
+        }
+        if (s->cssid != channel_subsys.default_cssid) {
+            channel_subsys.max_cssid = MAX_CSSID;
+        }
+    }
+    return 0;
+}
+
 IndAddr *get_indicator(hwaddr ind_addr, int len)
 {
     IndAddr *indicator;
@@ -1662,149 +1880,6 @@ int css_enable_mss(void)
     return 0;
 }
 
-void subch_device_save(SubchDev *s, QEMUFile *f)
-{
-    int i;
-
-    qemu_put_byte(f, s->cssid);
-    qemu_put_byte(f, s->ssid);
-    qemu_put_be16(f, s->schid);
-    qemu_put_be16(f, s->devno);
-    qemu_put_byte(f, s->thinint_active);
-    /* SCHIB */
-    /*     PMCW */
-    qemu_put_be32(f, s->curr_status.pmcw.intparm);
-    qemu_put_be16(f, s->curr_status.pmcw.flags);
-    qemu_put_be16(f, s->curr_status.pmcw.devno);
-    qemu_put_byte(f, s->curr_status.pmcw.lpm);
-    qemu_put_byte(f, s->curr_status.pmcw.pnom);
-    qemu_put_byte(f, s->curr_status.pmcw.lpum);
-    qemu_put_byte(f, s->curr_status.pmcw.pim);
-    qemu_put_be16(f, s->curr_status.pmcw.mbi);
-    qemu_put_byte(f, s->curr_status.pmcw.pom);
-    qemu_put_byte(f, s->curr_status.pmcw.pam);
-    qemu_put_buffer(f, s->curr_status.pmcw.chpid, 8);
-    qemu_put_be32(f, s->curr_status.pmcw.chars);
-    /*     SCSW */
-    qemu_put_be16(f, s->curr_status.scsw.flags);
-    qemu_put_be16(f, s->curr_status.scsw.ctrl);
-    qemu_put_be32(f, s->curr_status.scsw.cpa);
-    qemu_put_byte(f, s->curr_status.scsw.dstat);
-    qemu_put_byte(f, s->curr_status.scsw.cstat);
-    qemu_put_be16(f, s->curr_status.scsw.count);
-    qemu_put_be64(f, s->curr_status.mba);
-    qemu_put_buffer(f, s->curr_status.mda, 4);
-    /* end SCHIB */
-    qemu_put_buffer(f, s->sense_data, 32);
-    qemu_put_be64(f, s->channel_prog);
-    /* last cmd */
-    qemu_put_byte(f, s->last_cmd.cmd_code);
-    qemu_put_byte(f, s->last_cmd.flags);
-    qemu_put_be16(f, s->last_cmd.count);
-    qemu_put_be32(f, s->last_cmd.cda);
-    qemu_put_byte(f, s->last_cmd_valid);
-    qemu_put_byte(f, s->id.reserved);
-    qemu_put_be16(f, s->id.cu_type);
-    qemu_put_byte(f, s->id.cu_model);
-    qemu_put_be16(f, s->id.dev_type);
-    qemu_put_byte(f, s->id.dev_model);
-    qemu_put_byte(f, s->id.unused);
-    for (i = 0; i < ARRAY_SIZE(s->id.ciw); i++) {
-        qemu_put_byte(f, s->id.ciw[i].type);
-        qemu_put_byte(f, s->id.ciw[i].command);
-        qemu_put_be16(f, s->id.ciw[i].count);
-    }
-    qemu_put_byte(f, s->ccw_fmt_1);
-    qemu_put_byte(f, s->ccw_no_data_cnt);
-}
-
-int subch_device_load(SubchDev *s, QEMUFile *f)
-{
-    SubchDev *old_s;
-    uint16_t old_schid = s->schid;
-    int i;
-
-    s->cssid = qemu_get_byte(f);
-    s->ssid = qemu_get_byte(f);
-    s->schid = qemu_get_be16(f);
-    s->devno = qemu_get_be16(f);
-    /* Re-assign subch. */
-    if (old_schid != s->schid) {
-        old_s = channel_subsys.css[s->cssid]->sch_set[s->ssid]->sch[old_schid];
-        /*
-         * (old_s != s) means that some other device has its correct
-         * subchannel already assigned (in load).
-         */
-        if (old_s == s) {
-            css_subch_assign(s->cssid, s->ssid, old_schid, s->devno, NULL);
-        }
-        /* It's OK to re-assign without a prior de-assign. */
-        css_subch_assign(s->cssid, s->ssid, s->schid, s->devno, s);
-    }
-    s->thinint_active = qemu_get_byte(f);
-    /* SCHIB */
-    /*     PMCW */
-    s->curr_status.pmcw.intparm = qemu_get_be32(f);
-    s->curr_status.pmcw.flags = qemu_get_be16(f);
-    s->curr_status.pmcw.devno = qemu_get_be16(f);
-    s->curr_status.pmcw.lpm = qemu_get_byte(f);
-    s->curr_status.pmcw.pnom  = qemu_get_byte(f);
-    s->curr_status.pmcw.lpum = qemu_get_byte(f);
-    s->curr_status.pmcw.pim = qemu_get_byte(f);
-    s->curr_status.pmcw.mbi = qemu_get_be16(f);
-    s->curr_status.pmcw.pom = qemu_get_byte(f);
-    s->curr_status.pmcw.pam = qemu_get_byte(f);
-    qemu_get_buffer(f, s->curr_status.pmcw.chpid, 8);
-    s->curr_status.pmcw.chars = qemu_get_be32(f);
-    /*     SCSW */
-    s->curr_status.scsw.flags = qemu_get_be16(f);
-    s->curr_status.scsw.ctrl = qemu_get_be16(f);
-    s->curr_status.scsw.cpa = qemu_get_be32(f);
-    s->curr_status.scsw.dstat = qemu_get_byte(f);
-    s->curr_status.scsw.cstat = qemu_get_byte(f);
-    s->curr_status.scsw.count = qemu_get_be16(f);
-    s->curr_status.mba = qemu_get_be64(f);
-    qemu_get_buffer(f, s->curr_status.mda, 4);
-    /* end SCHIB */
-    qemu_get_buffer(f, s->sense_data, 32);
-    s->channel_prog = qemu_get_be64(f);
-    /* last cmd */
-    s->last_cmd.cmd_code = qemu_get_byte(f);
-    s->last_cmd.flags = qemu_get_byte(f);
-    s->last_cmd.count = qemu_get_be16(f);
-    s->last_cmd.cda = qemu_get_be32(f);
-    s->last_cmd_valid = qemu_get_byte(f);
-    s->id.reserved = qemu_get_byte(f);
-    s->id.cu_type = qemu_get_be16(f);
-    s->id.cu_model = qemu_get_byte(f);
-    s->id.dev_type = qemu_get_be16(f);
-    s->id.dev_model = qemu_get_byte(f);
-    s->id.unused = qemu_get_byte(f);
-    for (i = 0; i < ARRAY_SIZE(s->id.ciw); i++) {
-        s->id.ciw[i].type = qemu_get_byte(f);
-        s->id.ciw[i].command = qemu_get_byte(f);
-        s->id.ciw[i].count = qemu_get_be16(f);
-    }
-    s->ccw_fmt_1 = qemu_get_byte(f);
-    s->ccw_no_data_cnt = qemu_get_byte(f);
-    /*
-     * Hack alert. We don't migrate the channel subsystem status (no
-     * device!), but we need to find out if the guest enabled mss/mcss-e.
-     * If the subchannel is enabled, it certainly was able to access it,
-     * so adjust the max_ssid/max_cssid values for relevant ssid/cssid
-     * values. This is not watertight, but better than nothing.
-     */
-    if (s->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA) {
-        if (s->ssid) {
-            channel_subsys.max_ssid = MAX_SSID;
-        }
-        if (s->cssid != channel_subsys.default_cssid) {
-            channel_subsys.max_cssid = MAX_CSSID;
-        }
-    }
-    return 0;
-}
-
 void css_reset_sch(SubchDev *sch)
 {
     PMCW *p = &sch->curr_status.pmcw;
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index e7167e3d05..a75eedeffb 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -34,9 +34,87 @@
 #include "virtio-ccw.h"
 #include "trace.h"
 #include "hw/s390x/css-bridge.h"
+#include "hw/s390x/s390-virtio-ccw.h"
 
 #define NR_CLASSIC_INDICATOR_BITS 64
 
+static int virtio_ccw_dev_post_load(void *opaque, int version_id)
+{
+    VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(opaque);
+    CcwDevice *ccw_dev = CCW_DEVICE(dev);
+    CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
+
+    ccw_dev->sch->driver_data = dev;
+    if (CCW_DEVICE(dev)->sch->thinint_active) {
+        dev->routes.adapter.adapter_id = css_get_adapter_id(
+                                         CSS_IO_ADAPTER_VIRTIO,
+                                         dev->thinint_isc);
+    }
+    /* Re-fill subch_id after loading the subchannel states.*/
+    if (ck->refill_ids) {
+        ck->refill_ids(ccw_dev);
+    }
+    return 0;
+}
+
+typedef struct VirtioCcwDeviceTmp {
+    VirtioCcwDevice *parent;
+    uint16_t config_vector;
+} VirtioCcwDeviceTmp;
+
+static void virtio_ccw_dev_tmp_pre_save(void *opaque)
+{
+    VirtioCcwDeviceTmp *tmp = opaque;
+    VirtioCcwDevice *dev = tmp->parent;
+    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
+
+    tmp->config_vector = vdev->config_vector;
+}
+
+static int virtio_ccw_dev_tmp_post_load(void *opaque, int version_id)
+{
+    VirtioCcwDeviceTmp *tmp = opaque;
+    VirtioCcwDevice *dev = tmp->parent;
+    VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
+
+    vdev->config_vector = tmp->config_vector;
+    return 0;
+}
+
+const VMStateDescription vmstate_virtio_ccw_dev_tmp = {
+    .name = "s390_virtio_ccw_dev_tmp",
+    .pre_save = virtio_ccw_dev_tmp_pre_save,
+    .post_load = virtio_ccw_dev_tmp_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT16(config_vector, VirtioCcwDeviceTmp),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+const VMStateDescription vmstate_virtio_ccw_dev = {
+    .name = "s390_virtio_ccw_dev",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .post_load = virtio_ccw_dev_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_CCW_DEVICE(parent_obj, VirtioCcwDevice),
+        VMSTATE_PTR_TO_IND_ADDR(indicators, VirtioCcwDevice),
+        VMSTATE_PTR_TO_IND_ADDR(indicators2, VirtioCcwDevice),
+        VMSTATE_PTR_TO_IND_ADDR(summary_indicator, VirtioCcwDevice),
+        /*
+         * Ugly hack because VirtIODevice does not migrate itself.
+         * This also makes legacy via vmstate_save_state possible.
+         */
+        VMSTATE_WITH_TMP(VirtioCcwDevice, VirtioCcwDeviceTmp,
+                         vmstate_virtio_ccw_dev_tmp),
+        VMSTATE_STRUCT(routes, VirtioCcwDevice, 1, vmstate_adapter_routes, \
+                       AdapterRoutes),
+        VMSTATE_UINT8(thinint_isc, VirtioCcwDevice),
+        VMSTATE_INT32(revision, VirtioCcwDevice),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static void virtio_ccw_bus_new(VirtioBusState *bus, size_t bus_size,
                                VirtioCcwDevice *dev);
 
@@ -1234,85 +1312,13 @@ static int virtio_ccw_load_queue(DeviceState *d, int n, QEMUFile *f)
 static void virtio_ccw_save_config(DeviceState *d, QEMUFile *f)
 {
     VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    CcwDevice *ccw_dev = CCW_DEVICE(d);
-    SubchDev *s = ccw_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);
+    vmstate_save_state(f, &vmstate_virtio_ccw_dev, dev, NULL);
 }
 
 static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
 {
     VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
-    CcwDevice *ccw_dev = CCW_DEVICE(d);
-    CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
-    SubchDev *s = ccw_dev->sch;
-    VirtIODevice *vdev = virtio_ccw_get_vdev(s);
-    int len;
-
-    s->driver_data = dev;
-    subch_device_load(s, f);
-    /* Re-fill subch_id after loading the subchannel states.*/
-    if (ck->refill_ids) {
-        ck->refill_ids(ccw_dev);
-    }
-    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) {
-        dev->routes.adapter.adapter_id = css_get_adapter_id(
-                                         CSS_IO_ADAPTER_VIRTIO,
-                                         dev->thinint_isc);
-    }
-
-    return 0;
+    return vmstate_load_state(f, &vmstate_virtio_ccw_dev, dev, 1);
 }
 
 static void virtio_ccw_pre_plugged(DeviceState *d, Error **errp)
diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h
index e61fa74d9b..d74e44d312 100644
--- a/include/hw/s390x/css.h
+++ b/include/hw/s390x/css.h
@@ -88,6 +88,7 @@ struct SubchDev {
     bool ccw_fmt_1;
     bool thinint_active;
     uint8_t ccw_no_data_cnt;
+    uint16_t migrated_schid; /* used for missmatch detection */
     /* transport-provided data: */
     int (*ccw_cb) (SubchDev *, CCW1);
     void (*disable_cb)(SubchDev *);
@@ -95,22 +96,27 @@ struct SubchDev {
     void *driver_data;
 };
 
+extern const VMStateDescription vmstate_subch_dev;
+
 typedef struct IndAddr {
     hwaddr addr;
     uint64_t map;
     unsigned long refcnt;
-    int len;
+    int32_t len;
     QTAILQ_ENTRY(IndAddr) sibling;
 } IndAddr;
 
+extern const VMStateDescription vmstate_ind_addr;
+
+#define VMSTATE_PTR_TO_IND_ADDR(_f, _s)                                   \
+    VMSTATE_STRUCT(_f, _s, 1, vmstate_ind_addr, IndAddr*)
+
 IndAddr *get_indicator(hwaddr ind_addr, int len);
 void release_indicator(AdapterInfo *adapter, IndAddr *indicator);
 int map_indicator(AdapterInfo *adapter, IndAddr *indicator);
 
 typedef SubchDev *(*css_subch_cb_func)(uint8_t m, uint8_t cssid, uint8_t ssid,
                                        uint16_t schid);
-void subch_device_save(SubchDev *s, QEMUFile *f);
-int subch_device_load(SubchDev *s, QEMUFile *f);
 int css_create_css_image(uint8_t cssid, bool default_image);
 bool css_devno_used(uint8_t cssid, uint8_t ssid, uint16_t devno);
 void css_subch_assign(uint8_t cssid, uint8_t ssid, uint16_t schid,
diff --git a/include/hw/s390x/s390_flic.h b/include/hw/s390x/s390_flic.h
index f9e6890c90..caa6fc608d 100644
--- a/include/hw/s390x/s390_flic.h
+++ b/include/hw/s390x/s390_flic.h
@@ -31,6 +31,11 @@ typedef struct AdapterRoutes {
     int gsi[ADAPTER_ROUTES_MAX_GSI];
 } AdapterRoutes;
 
+extern const VMStateDescription vmstate_adapter_routes;
+
+#define VMSTATE_ADAPTER_ROUTES(_f, _s) \
+    VMSTATE_STRUCT(_f, _s, 1, vmstate_adapter_routes, AdapterRoutes)
+
 #define TYPE_S390_FLIC_COMMON "s390-flic"
 #define S390_FLIC_COMMON(obj) \
     OBJECT_CHECK(S390FLICState, (obj), TYPE_S390_FLIC_COMMON)
