@@ -8,6 +8,7 @@ obj-y += ipl.o
obj-y += css.o
obj-y += s390-virtio-ccw.o
obj-y += virtio-ccw.o
+obj-y += css-bridge.o
obj-y += s390-pci-bus.o s390-pci-inst.o
obj-y += s390-skeys.o
obj-$(CONFIG_KVM) += s390-skeys-kvm.o
new file mode 100644
@@ -0,0 +1,89 @@
+/*
+ * css bridge implementation
+ *
+ * Copyright 2012,2016 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 "virtio-ccw.h"
+#include "hw/hotplug.h"
+#include "hw/sysbus.h"
+#include "qemu/bitops.h"
+#include "hw/s390x/css.h"
+#include "hw/s390x/css-bridge.h"
+
+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,
+};
+
+VirtualCssBus *virtual_css_bus_init(void)
+{
+ VirtualCssBus *cbus;
+ BusState *bus;
+ DeviceState *dev;
+
+ /* Create bridge device */
+ dev = qdev_create(NULL, TYPE_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;
+ }
+
+/***************** Virtual-css Bus Bridge Device ********************/
+
+static void virtual_css_bridge_class_init(ObjectClass *klass, void *data)
+{
+ HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ hc->unplug = virtio_ccw_busdev_unplug;
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
+}
+
+static const TypeInfo virtual_css_bridge_info = {
+ .name = TYPE_VIRTUAL_CSS_BRIDGE,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(SysBusDevice),
+ .class_init = virtual_css_bridge_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_HOTPLUG_HANDLER },
+ { }
+ }
+};
+
+static void virtual_css_register(void)
+{
+ type_register_static(&virtual_css_bridge_info);
+ type_register_static(&virtual_css_bus_info);
+}
+
+type_init(virtual_css_register)
@@ -27,6 +27,7 @@
#include "hw/compat.h"
#include "ipl.h"
#include "hw/s390x/s390-virtio-ccw.h"
+#include "hw/s390x/css-bridge.h"
static const char *const reset_dev_types[] = {
TYPE_VIRTUAL_CSS_BRIDGE,
@@ -33,31 +33,11 @@
#include "hw/s390x/css.h"
#include "virtio-ccw.h"
#include "trace.h"
+#include "hw/s390x/css-bridge.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;
@@ -123,26 +103,6 @@ static int virtio_ccw_ioeventfd_assign(DeviceState *d, EventNotifier *notifier,
return s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
}
-VirtualCssBus *virtual_css_bus_init(void)
-{
- VirtualCssBus *cbus;
- BusState *bus;
- DeviceState *dev;
-
- /* Create bridge device */
- dev = qdev_create(NULL, TYPE_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;
@@ -1565,8 +1525,8 @@ static int virtio_ccw_busdev_exit(DeviceState *dev)
return _info->exit(_dev);
}
-static void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
- DeviceState *dev, Error **errp)
+void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp)
{
VirtioCcwDevice *_dev = (VirtioCcwDevice *)dev;
SubchDev *sch = _dev->sch;
@@ -1605,37 +1565,6 @@ static const TypeInfo virtio_ccw_device_info = {
.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 = TYPE_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,
@@ -1730,7 +1659,6 @@ static const TypeInfo virtio_ccw_9p_info = {
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);
@@ -1741,7 +1669,6 @@ static void virtio_ccw_register(void)
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
@@ -101,17 +101,8 @@ static inline int virtio_ccw_rev_max(VirtioCcwDevice *dev)
return dev->max_rev;
}
-/* virtual css bridge type */
-#define TYPE_VIRTUAL_CSS_BRIDGE "virtual-css-bridge"
-
-/* virtual css bus type */
-typedef struct VirtualCssBus {
- BusState parent_obj;
-} VirtualCssBus;
-
-#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
-#define VIRTUAL_CSS_BUS(obj) \
- OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
+void virtio_ccw_busdev_unplug(HotplugHandler *hotplug_dev,
+ DeviceState *dev, Error **errp);
/* virtio-scsi-ccw */
@@ -192,7 +183,6 @@ typedef struct VirtIORNGCcw {
VirtIORNG vdev;
} VirtIORNGCcw;
-VirtualCssBus *virtual_css_bus_init(void);
void virtio_ccw_device_update_status(SubchDev *sch);
VirtIODevice *virtio_ccw_get_vdev(SubchDev *sch);
new file mode 100644
@@ -0,0 +1,31 @@
+/*
+ * virtual css bridge definition
+ *
+ * Copyright 2012,2016 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.
+ */
+
+#ifndef HW_S390X_CSS_BRIDGE_H
+#define HW_S390X_CSS_BRIDGE_H
+#include "qom/object.h"
+#include "hw/qdev-core.h"
+
+/* virtual css bridge */
+#define TYPE_VIRTUAL_CSS_BRIDGE "virtual-css-bridge"
+
+/* virtual css bus type */
+typedef struct VirtualCssBus {
+ BusState parent_obj;
+} VirtualCssBus;
+
+#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"
+#define VIRTUAL_CSS_BUS(obj) \
+ OBJECT_CHECK(VirtualCssBus, (obj), TYPE_VIRTUAL_CSS_BUS)
+VirtualCssBus *virtual_css_bus_init(void);
+
+#endif