Add qemu 2.4.0

[kvmfornfv.git] / qemu / hw / intc / s390_flic.c

diff --git a/qemu/hw/intc/s390_flic.c b/qemu/hw/intc/s390_flic.c
new file mode 100644 (file)
index 0000000..02e10b7
--- /dev/null
+++ b/qemu/hw/intc/s390_flic.c
@@ -0,0 +1,99 @@
+/*
+ * QEMU S390x floating interrupt controller (flic)
+ *
+ * Copyright 2014 IBM Corp.
+ * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com>
+ *            Cornelia Huck <cornelia.huck@de.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/error-report.h"
+#include "hw/sysbus.h"
+#include "migration/qemu-file.h"
+#include "hw/s390x/s390_flic.h"
+#include "trace.h"
+
+S390FLICState *s390_get_flic(void)
+{
+    S390FLICState *fs;
+
+    fs = S390_FLIC_COMMON(object_resolve_path(TYPE_KVM_S390_FLIC, NULL));
+    if (!fs) {
+        fs = S390_FLIC_COMMON(object_resolve_path(TYPE_QEMU_S390_FLIC, NULL));
+    }
+    return fs;
+}
+
+void s390_flic_init(void)
+{
+    DeviceState *dev;
+
+    dev = s390_flic_kvm_create();
+    if (!dev) {
+        dev = qdev_create(NULL, TYPE_QEMU_S390_FLIC);
+        object_property_add_child(qdev_get_machine(), TYPE_QEMU_S390_FLIC,
+                                  OBJECT(dev), NULL);
+    }
+    qdev_init_nofail(dev);
+}
+
+static int qemu_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
+                                         uint8_t isc, bool swap,
+                                         bool is_maskable)
+{
+    /* nothing to do */
+    return 0;
+}
+
+static int qemu_s390_io_adapter_map(S390FLICState *fs, uint32_t id,
+                                    uint64_t map_addr, bool do_map)
+{
+    /* nothing to do */
+    return 0;
+}
+
+static int qemu_s390_add_adapter_routes(S390FLICState *fs,
+                                        AdapterRoutes *routes)
+{
+    return -ENOSYS;
+}
+
+static void qemu_s390_release_adapter_routes(S390FLICState *fs,
+                                             AdapterRoutes *routes)
+{
+}
+
+static void qemu_s390_flic_class_init(ObjectClass *oc, void *data)
+{
+    S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
+
+    fsc->register_io_adapter = qemu_s390_register_io_adapter;
+    fsc->io_adapter_map = qemu_s390_io_adapter_map;
+    fsc->add_adapter_routes = qemu_s390_add_adapter_routes;
+    fsc->release_adapter_routes = qemu_s390_release_adapter_routes;
+}
+
+static const TypeInfo qemu_s390_flic_info = {
+    .name          = TYPE_QEMU_S390_FLIC,
+    .parent        = TYPE_S390_FLIC_COMMON,
+    .instance_size = sizeof(QEMUS390FLICState),
+    .class_init    = qemu_s390_flic_class_init,
+};
+
+static const TypeInfo s390_flic_common_info = {
+    .name          = TYPE_S390_FLIC_COMMON,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(S390FLICState),
+    .class_size    = sizeof(S390FLICStateClass),
+};
+
+static void qemu_s390_flic_register_types(void)
+{
+    type_register_static(&s390_flic_common_info);
+    type_register_static(&qemu_s390_flic_info);
+}
+
+type_init(qemu_s390_flic_register_types)