[Qemu-devel] [PATCH v5 2/6] s390x/ap: base Adjunct Processor (AP) object

[Tony Krowiak <akrowiak@linux.vnet.ibm.com>]

This patch introduces the base object for an AP device.

Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
---
 hw/s390x/Makefile.objs       |    1 +
 hw/s390x/ap-device.c         |   39 +++++++++++++++++++++++++++++++++++++++
 include/hw/s390x/ap-device.h |   38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+), 0 deletions(-)
 create mode 100644 hw/s390x/ap-device.c
 create mode 100644 include/hw/s390x/ap-device.h

diff --git a/hw/s390x/Makefile.objs b/hw/s390x/Makefile.objs
index dc704b5..3247a07 100644
--- a/hw/s390x/Makefile.objs
+++ b/hw/s390x/Makefile.objs
@@ -17,3 +17,4 @@ obj-y += s390-stattrib.o
 obj-$(CONFIG_KVM) += s390-skeys-kvm.o
 obj-$(CONFIG_KVM) += s390-stattrib-kvm.o
 obj-y += s390-ccw.o
+obj-y += ap-device.o
diff --git a/hw/s390x/ap-device.c b/hw/s390x/ap-device.c
new file mode 100644
index 0000000..3cd4bae
--- /dev/null
+++ b/hw/s390x/ap-device.c
@@ -0,0 +1,39 @@
+/*
+ * Adjunct Processor (AP) matrix device
+ *
+ * Copyright 2018 IBM Corp.
+ * Author(s): Tony Krowiak <akrowiak@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 "qemu/module.h"
+#include "qapi/error.h"
+#include "hw/qdev.h"
+#include "hw/s390x/ap-device.h"
+
+static void ap_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "AP device class";
+    dc->hotpluggable = false;
+}
+
+static const TypeInfo ap_device_info = {
+    .name = AP_DEVICE_TYPE,
+    .parent = TYPE_DEVICE,
+    .instance_size = sizeof(APDevice),
+    .class_size = sizeof(APDeviceClass),
+    .class_init = ap_class_init,
+    .abstract = true,
+};
+
+static void ap_device_register(void)
+{
+    type_register_static(&ap_device_info);
+}
+
+type_init(ap_device_register)
diff --git a/include/hw/s390x/ap-device.h b/include/hw/s390x/ap-device.h
new file mode 100644
index 0000000..693df90
--- /dev/null
+++ b/include/hw/s390x/ap-device.h
@@ -0,0 +1,38 @@
+/*
+ * Adjunct Processor (AP) matrix device interfaces
+ *
+ * Copyright 2018 IBM Corp.
+ * Author(s): Tony Krowiak <akrowiak@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_AP_DEVICE_H
+#define HW_S390X_AP_DEVICE_H
+
+#define AP_DEVICE_TYPE       "ap-device"
+
+typedef struct APDevice {
+    DeviceState parent_obj;
+} APDevice;
+
+typedef struct APDeviceClass {
+    DeviceClass parent_class;
+} APDeviceClass;
+
+static inline APDevice *to_ap_dev(DeviceState *dev)
+{
+    return container_of(dev, APDevice, parent_obj);
+}
+
+#define AP_DEVICE(obj) \
+    OBJECT_CHECK(APDevice, (obj), AP_DEVICE_TYPE)
+
+#define AP_DEVICE_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(APDeviceClass, (obj), AP_DEVICE_TYPE)
+
+#define AP_DEVICE_CLASS(klass) \
+    OBJECT_CLASS_CHECK(APDeviceClass, (klass), AP_DEVICE_TYPE)
+
+#endif /* HW_S390X_AP_DEVICE_H */
-- 
1.7.1