[RFC,v1,1/2] hw/vfio/platform: add hisilicon hnsvf device

diff --git a/hw/vfio/Makefile.objs b/hw/vfio/Makefile.objs
index c25e32b..d19dffc 100644
--- a/hw/vfio/Makefile.objs
+++ b/hw/vfio/Makefile.objs
@@ -4,5 +4,6 @@  obj-$(CONFIG_PCI) += pci.o pci-quirks.o
 obj-$(CONFIG_SOFTMMU) += platform.o
 obj-$(CONFIG_SOFTMMU) += calxeda-xgmac.o
 obj-$(CONFIG_SOFTMMU) += amd-xgbe.o
+obj-$(CONFIG_SOFTMMU) += hisi-hnsvf.o
 obj-$(CONFIG_SOFTMMU) += spapr.o
 endif
diff --git a/hw/vfio/hisi-hnsvf.c b/hw/vfio/hisi-hnsvf.c
new file mode 100644
index 0000000..5b48e27
--- /dev/null
+++ b/hw/vfio/hisi-hnsvf.c
@@ -0,0 +1,56 @@ 
+/*
+ * Hisilicon HNS Virtual Function VFIO device
+ *
+ * Copyright Huawei Limited, 2016
+ *
+ * Authors:
+ *  Rick Song <songwenjun@huawei.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "hw/vfio/vfio-hisi-hnsvf.h"
+
+static void hisi_hnsvf_realize(DeviceState *dev, Error **errp)
+{
+    VFIOPlatformDevice *vdev = VFIO_PLATFORM_DEVICE(dev);
+    VFIOHisiHnsvfDeviceClass *k = VFIO_HISI_HNSVF_DEVICE_GET_CLASS(dev);
+
+    vdev->compat = g_strdup("hisilicon,hnsvf-v2");
+
+    k->parent_realize(dev, errp);
+}
+
+static const VMStateDescription vfio_platform_hisi_hnsvf_vmstate = {
+    .name = TYPE_VFIO_HISI_HNSVF,
+    .unmigratable = 1,
+};
+
+static void vfio_hisi_hnsvf_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    VFIOHisiHnsvfDeviceClass *vcxc =
+        VFIO_HISI_HNSVF_DEVICE_CLASS(klass);
+    vcxc->parent_realize = dc->realize;
+    dc->realize = hisi_hnsvf_realize;
+    dc->desc = "VFIO HISI HNSVF";
+    dc->vmsd = &vfio_platform_hisi_hnsvf_vmstate;
+}
+
+static const TypeInfo vfio_hisi_hnsvf_dev_info = {
+    .name = TYPE_VFIO_HISI_HNSVF,
+    .parent = TYPE_VFIO_PLATFORM,
+    .instance_size = sizeof(VFIOHisiHnsvfDevice),
+    .class_init = vfio_hisi_hnsvf_class_init,
+    .class_size = sizeof(VFIOHisiHnsvfDeviceClass),
+};
+
+static void register_hisi_hnsvf_dev_type(void)
+{
+    type_register_static(&vfio_hisi_hnsvf_dev_info);
+}
+
+type_init(register_hisi_hnsvf_dev_type)
diff --git a/include/hw/vfio/vfio-hisi-hnsvf.h b/include/hw/vfio/vfio-hisi-hnsvf.h
new file mode 100644
index 0000000..9208656
--- /dev/null
+++ b/include/hw/vfio/vfio-hisi-hnsvf.h
@@ -0,0 +1,51 @@ 
+/*
+ * VFIO Hisilicon HNS Virtual Function device
+ *
+ * Copyright Hisilicon Limited, 2016
+ *
+ * Authors:
+ *  Rick Song <songwenjun@huawei.com>
+ *
+ * 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_HISI_HNSVF_H
+#define HW_VFIO_VFIO_HISI_HNSVF_H
+
+#include "hw/vfio/vfio-platform.h"
+
+#define TYPE_VFIO_HISI_HNSVF "vfio-hisi-hnsvf"
+
+/**
+ * This device exposes:
+ * - 5 MMIO regions: MAC, PCS, SerDes Rx/Tx regs,
+     SerDes Integration Registers 1/2 & 2/2
+ * - 2 level sensitive IRQs and optional DMA channel IRQs
+ */
+struct VFIOHisiHnsvfDevice {
+    VFIOPlatformDevice vdev;
+};
+
+typedef struct VFIOHisiHnsvfDevice VFIOHisiHnsvfDevice;
+
+struct VFIOHisiHnsvfDeviceClass {
+    /*< private >*/
+    VFIOPlatformDeviceClass parent_class;
+    /*< public >*/
+    DeviceRealize parent_realize;
+};
+
+typedef struct VFIOHisiHnsvfDeviceClass VFIOHisiHnsvfDeviceClass;
+
+#define VFIO_HISI_HNSVF_DEVICE(obj) \
+     OBJECT_CHECK(VFIOHisiHnsvfDevice, (obj), TYPE_VFIO_HISI_HNSVF)
+#define VFIO_HISI_HNSVF_DEVICE_CLASS(klass) \
+     OBJECT_CLASS_CHECK(VFIOHisiHnsvfDeviceClass, (klass), \
+                        TYPE_VFIO_HISI_HNSVF)
+#define VFIO_HISI_HNSVF_DEVICE_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(VFIOHisiHnsvfDeviceClass, (obj), \
+                      TYPE_VFIO_HISI_HNSVF)
+
+#endif