Patchwork [RFC,V9,06/12] virtio-s390-bus : add virtio-s390-bus.

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Submitter fred.konrad@greensocs.com
Date Jan. 3, 2013, 2:52 p.m.
Message ID <1357224744-14443-7-git-send-email-fred.konrad@greensocs.com>
Download mbox | patch
Permalink /patch/209265/
State New
Headers show

Comments

fred.konrad@greensocs.com - Jan. 3, 2013, 2:52 p.m.
From: KONRAD Frederic <fred.konrad@greensocs.com>

This add the virtio-s390-bus which extends virtio-bus. So one VirtIODevice can
be connected on this bus.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
---
 hw/s390-virtio-bus.c | 28 ++++++++++++++++++++++++++++
 hw/s390-virtio-bus.h | 13 +++++++++++++
 2 files changed, 41 insertions(+)

Patch

diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index b78d626..67ecb3a 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -32,6 +32,7 @@ 
 #include "sysemu/kvm.h"
 
 #include "hw/s390-virtio-bus.h"
+#include "hw/virtio-bus.h"
 
 /* #define DEBUG_S390 */
 
@@ -555,8 +556,35 @@  static TypeInfo s390_virtio_bridge_info = {
     .class_init    = s390_virtio_bridge_class_init,
 };
 
+/* virtio-s390-bus */
+
+VirtioBusState *virtio_s390_bus_new(VirtIOS390Device *dev)
+{
+    DeviceState *qdev = DEVICE(dev);
+    BusState *qbus = qbus_create(TYPE_VIRTIO_S390_BUS, qdev, NULL);
+    VirtioBusState *bus = VIRTIO_BUS(qbus);
+    qbus->allow_hotplug = 0;
+    qbus->max_dev = 1;
+    return bus;
+}
+
+static void virtio_s390_bus_class_init(ObjectClass *klass, void *data)
+{
+    VirtioBusClass *k = VIRTIO_BUS_CLASS(klass);
+    k->notify = virtio_s390_notify;
+    k->get_features = virtio_s390_get_features;
+}
+
+static const TypeInfo virtio_s390_bus_info = {
+    .name          = TYPE_VIRTIO_S390_BUS,
+    .parent        = TYPE_VIRTIO_BUS,
+    .instance_size = sizeof(VirtioBusState),
+    .class_init    = virtio_s390_bus_class_init,
+};
+
 static void s390_virtio_register_types(void)
 {
+    type_register_static(&virtio_s390_bus_info);
     type_register_static(&s390_virtio_bus_info);
     type_register_static(&virtio_s390_device_info);
     type_register_static(&s390_virtio_serial);
diff --git a/hw/s390-virtio-bus.h b/hw/s390-virtio-bus.h
index 23fedd5..d5a6f9b 100644
--- a/hw/s390-virtio-bus.h
+++ b/hw/s390-virtio-bus.h
@@ -24,6 +24,7 @@ 
 #include "virtio-rng.h"
 #include "virtio-serial.h"
 #include "virtio-scsi.h"
+#include "virtio-bus.h"
 
 #define VIRTIO_DEV_OFFS_TYPE		0	/* 8 bits */
 #define VIRTIO_DEV_OFFS_NUM_VQ		1	/* 8 bits */
@@ -59,8 +60,20 @@ 
 #define S390_VIRTIO_BUS(obj) \
      OBJECT_CHECK(VirtIOS390Bus, (obj), TYPE_S390_VIRTIO_BUS)
 
+/* virtio-s390-bus */
+
+#define TYPE_VIRTIO_S390_BUS "virtio-s390-bus"
+#define VIRTIO_S390_BUS_GET_CLASS(obj) \
+        OBJECT_GET_CLASS(VirtioBusClass, obj, TYPE_VIRTIO_S390_BUS)
+#define VIRTIO_PCI_BUS_CLASS(klass) \
+        OBJECT_CLASS_CHECK(VirtioBusClass, klass, TYPE_VIRTIO_S390_BUS)
+#define VIRTIO_PCI_BUS(obj) \
+        OBJECT_CHECK(VirtioBusState, (obj), TYPE_VIRTIO_S390_BUS)
+
 typedef struct VirtIOS390Device VirtIOS390Device;
 
+VirtioBusState *virtio_s390_bus_new(VirtIOS390Device *dev);
+
 typedef struct VirtIOS390DeviceClass {
     DeviceClass qdev;
     int (*init)(VirtIOS390Device *dev);