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[Qemu-devel] [PATCH v10 07/11] virtio-blk-s390: switch to the new API.


From: fred . konrad
Subject: [Qemu-devel] [PATCH v10 07/11] virtio-blk-s390: switch to the new API.
Date: Mon, 18 Mar 2013 17:37:24 +0100

From: KONRAD Frederic <address@hidden>

Here the virtio-blk-s390 is modified for the new API. The device
virtio-blk-s390 extends virtio-s390-device as before. It creates and
connects a virtio-blk during the init. The properties are not modified.

Signed-off-by: KONRAD Frederic <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
 hw/s390x/s390-virtio-bus.c | 30 +++++++++++++++++++-----------
 hw/s390x/s390-virtio-bus.h | 13 ++++++++++++-
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 8d4fd72..76bc99a 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -162,16 +162,23 @@ static int s390_virtio_net_init(VirtIOS390Device *dev)
     return s390_virtio_device_init(dev, vdev);
 }
 
-static int s390_virtio_blk_init(VirtIOS390Device *dev)
+static int s390_virtio_blk_init(VirtIOS390Device *s390_dev)
 {
-    VirtIODevice *vdev;
-
-    vdev = virtio_blk_init((DeviceState *)dev, &dev->blk);
-    if (!vdev) {
+    VirtIOBlkS390 *dev = VIRTIO_BLK_S390(s390_dev);
+    DeviceState *vdev = DEVICE(&dev->vdev);
+    virtio_blk_set_conf(vdev, &(dev->blk));
+    qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
+    if (qdev_init(vdev) < 0) {
         return -1;
     }
+    return s390_virtio_device_init(s390_dev, VIRTIO_DEVICE(vdev));
+}
 
-    return s390_virtio_device_init(dev, vdev);
+static void s390_virtio_blk_instance_init(Object *obj)
+{
+    VirtIOBlkS390 *dev = VIRTIO_BLK_S390(obj);
+    object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_BLK);
+    object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
 }
 
 static int s390_virtio_serial_init(VirtIOS390Device *dev)
@@ -428,11 +435,11 @@ static const TypeInfo s390_virtio_net = {
 };
 
 static Property s390_virtio_blk_properties[] = {
-    DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, blk.conf),
-    DEFINE_BLOCK_CHS_PROPERTIES(VirtIOS390Device, blk.conf),
-    DEFINE_PROP_STRING("serial", VirtIOS390Device, blk.serial),
+    DEFINE_BLOCK_PROPERTIES(VirtIOBlkS390, blk.conf),
+    DEFINE_BLOCK_CHS_PROPERTIES(VirtIOBlkS390, blk.conf),
+    DEFINE_PROP_STRING("serial", VirtIOBlkS390, blk.serial),
 #ifdef __linux__
-    DEFINE_PROP_BIT("scsi", VirtIOS390Device, blk.scsi, 0, true),
+    DEFINE_PROP_BIT("scsi", VirtIOBlkS390, blk.scsi, 0, true),
 #endif
     DEFINE_PROP_END_OF_LIST(),
 };
@@ -449,7 +456,8 @@ static void s390_virtio_blk_class_init(ObjectClass *klass, 
void *data)
 static const TypeInfo s390_virtio_blk = {
     .name          = "virtio-blk-s390",
     .parent        = TYPE_VIRTIO_S390_DEVICE,
-    .instance_size = sizeof(VirtIOS390Device),
+    .instance_size = sizeof(VirtIOBlkS390),
+    .instance_init = s390_virtio_blk_instance_init,
     .class_init    = s390_virtio_blk_class_init,
 };
 
diff --git a/hw/s390x/s390-virtio-bus.h b/hw/s390x/s390-virtio-bus.h
index 4aacf83..1a63411 100644
--- a/hw/s390x/s390-virtio-bus.h
+++ b/hw/s390x/s390-virtio-bus.h
@@ -89,7 +89,6 @@ struct VirtIOS390Device {
     ram_addr_t feat_offs;
     uint8_t feat_len;
     VirtIODevice *vdev;
-    VirtIOBlkConf blk;
     NICConf nic;
     uint32_t host_features;
     virtio_serial_conf serial;
@@ -120,5 +119,17 @@ VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus 
*bus, ram_addr_t mem);
 void s390_virtio_device_sync(VirtIOS390Device *dev);
 void s390_virtio_reset_idx(VirtIOS390Device *dev);
 
+/* virtio-blk-s390 */
+
+#define TYPE_VIRTIO_BLK_S390 "virtio-blk-s390"
+#define VIRTIO_BLK_S390(obj) \
+        OBJECT_CHECK(VirtIOBlkS390, (obj), TYPE_VIRTIO_BLK_S390)
+
+typedef struct VirtIOBlkS390 {
+    VirtIOS390Device parent_obj;
+    VirtIOBlock vdev;
+    VirtIOBlkConf blk;
+} VirtIOBlkS390;
+
 
 #endif
-- 
1.7.11.7




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