From 7a8d15d7702444be715b6ae32574659483c0c158 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@linaro.org>
Date: Tue, 9 Jun 2015 09:00:07 +0100
Subject: hw/vfio/platform: calxeda xgmac device
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The platform device class has become abstract. This patch introduces
a calxeda xgmac device that derives from it.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
 hw/vfio/Makefile.objs                |  1 +
 hw/vfio/calxeda-xgmac.c              | 55 ++++++++++++++++++++++++++++++++++++
 include/hw/vfio/vfio-calxeda-xgmac.h | 46 ++++++++++++++++++++++++++++++
 3 files changed, 102 insertions(+)
 create mode 100644 hw/vfio/calxeda-xgmac.c
 create mode 100644 include/hw/vfio/vfio-calxeda-xgmac.h

diff --git a/hw/vfio/Makefile.objs b/hw/vfio/Makefile.objs
index c5c76fe..d540c9d 100644
--- a/hw/vfio/Makefile.objs
+++ b/hw/vfio/Makefile.objs
@@ -2,4 +2,5 @@ ifeq ($(CONFIG_LINUX), y)
 obj-$(CONFIG_SOFTMMU) += common.o
 obj-$(CONFIG_PCI) += pci.o
 obj-$(CONFIG_SOFTMMU) += platform.o
+obj-$(CONFIG_SOFTMMU) += calxeda-xgmac.o
 endif
diff --git a/hw/vfio/calxeda-xgmac.c b/hw/vfio/calxeda-xgmac.c
new file mode 100644
index 0000000..eb914f0
--- /dev/null
+++ b/hw/vfio/calxeda-xgmac.c
@@ -0,0 +1,55 @@
+/*
+ * calxeda xgmac VFIO device
+ *
+ * Copyright Linaro Limited, 2014
+ *
+ * Authors:
+ *  Eric Auger <eric.auger@linaro.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "hw/vfio/vfio-calxeda-xgmac.h"
+
+static void calxeda_xgmac_realize(DeviceState *dev, Error **errp)
+{
+    VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(dev);
+    VFIOCalxedaXgmacDeviceClass *k = VFIO_CALXEDA_XGMAC_DEVICE_GET_CLASS(dev);
+
+    vdev->compat = g_strdup("calxeda,hb-xgmac");
+
+    k->parent_realize(dev, errp);
+}
+
+static const VMStateDescription vfio_platform_calxeda_xgmac_vmstate = {
+    .name = TYPE_VFIO_CALXEDA_XGMAC,
+    .unmigratable = 1,
+};
+
+static void vfio_calxeda_xgmac_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    VFIOCalxedaXgmacDeviceClass *vcxc =
+        VFIO_CALXEDA_XGMAC_DEVICE_CLASS(klass);
+    vcxc->parent_realize = dc->realize;
+    dc->realize = calxeda_xgmac_realize;
+    dc->desc = "VFIO Calxeda XGMAC";
+    dc->vmsd = &vfio_platform_calxeda_xgmac_vmstate;
+}
+
+static const TypeInfo vfio_calxeda_xgmac_dev_info = {
+    .name = TYPE_VFIO_CALXEDA_XGMAC,
+    .parent = TYPE_VFIO_PLATFORM,
+    .instance_size = sizeof(VFIOCalxedaXgmacDevice),
+    .class_init = vfio_calxeda_xgmac_class_init,
+    .class_size = sizeof(VFIOCalxedaXgmacDeviceClass),
+};
+
+static void register_calxeda_xgmac_dev_type(void)
+{
+    type_register_static(&vfio_calxeda_xgmac_dev_info);
+}
+
+type_init(register_calxeda_xgmac_dev_type)
diff --git a/include/hw/vfio/vfio-calxeda-xgmac.h b/include/hw/vfio/vfio-calxeda-xgmac.h
new file mode 100644
index 0000000..f994775
--- /dev/null
+++ b/include/hw/vfio/vfio-calxeda-xgmac.h
@@ -0,0 +1,46 @@
+/*
+ * VFIO calxeda xgmac device
+ *
+ * Copyright Linaro Limited, 2014
+ *
+ * Authors:
+ *  Eric Auger <eric.auger@linaro.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef HW_VFIO_VFIO_CALXEDA_XGMAC_H
+#define HW_VFIO_VFIO_CALXEDA_XGMAC_H
+
+#include "hw/vfio/vfio-platform.h"
+
+#define TYPE_VFIO_CALXEDA_XGMAC "vfio-calxeda-xgmac"
+
+/**
+ * This device exposes:
+ * - a single MMIO region corresponding to its register space
+ * - 3 IRQS (main and 2 power related IRQs)
+ */
+typedef struct VFIOCalxedaXgmacDevice {
+    VFIOPlatformDevice vdev;
+} VFIOCalxedaXgmacDevice;
+
+typedef struct VFIOCalxedaXgmacDeviceClass {
+    /*< private >*/
+    VFIOPlatformDeviceClass parent_class;
+    /*< public >*/
+    DeviceRealize parent_realize;
+} VFIOCalxedaXgmacDeviceClass;
+
+#define VFIO_CALXEDA_XGMAC_DEVICE(obj) \
+     OBJECT_CHECK(VFIOCalxedaXgmacDevice, (obj), TYPE_VFIO_CALXEDA_XGMAC)
+#define VFIO_CALXEDA_XGMAC_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(VFIOCalxedaXgmacDeviceClass, (klass), \
+                        TYPE_VFIO_CALXEDA_XGMAC)
+#define VFIO_CALXEDA_XGMAC_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(VFIOCalxedaXgmacDeviceClass, (obj), \
+                      TYPE_VFIO_CALXEDA_XGMAC)
+
+#endif
-- 
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