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[Qemu-devel] [RFC PATCH V4 6/6] virtio-blk : Refactoring virtio-blk.
From: |
fred . konrad |
Subject: |
[Qemu-devel] [RFC PATCH V4 6/6] virtio-blk : Refactoring virtio-blk. |
Date: |
Fri, 30 Nov 2012 18:12:10 +0100 |
From: KONRAD Frederic <address@hidden>
Signed-off-by: KONRAD Frederic <address@hidden>
---
hw/virtio-blk.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
hw/virtio-blk.h | 16 ++++++++++++++
2 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index e25cc96..3547882 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -656,3 +656,64 @@ void virtio_blk_exit(VirtIODevice *vdev)
blockdev_mark_auto_del(s->bs);
virtio_cleanup(vdev);
}
+
+/*
+ * Refactored virtio-blk.
+ */
+
+static int virtio_device_init(DeviceState *qdev)
+{
+ VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
+ /*
+ * TODO: device initialization.
+ */
+ return 0;
+}
+
+static void virtio_device_exit(DeviceState *dev)
+{
+ /*
+ * TODO: destroy device.
+ */
+}
+
+static Property virtio_blk_properties[] = {
+ DEFINE_BLOCK_PROPERTIES(VirtioBlkState, blk.conf),
+ DEFINE_BLOCK_CHS_PROPERTIES(VirtioBlkState, blk.conf),
+ DEFINE_PROP_STRING("serial", VirtioBlkState, blk.serial),
+#ifdef __linux__
+ DEFINE_PROP_BIT("scsi", VirtioBlkState, blk.scsi, 0, true),
+#endif
+ DEFINE_PROP_BIT("config-wce", VirtioBlkState, blk.config_wce, 0, true),
+ DEFINE_VIRTIO_BLK_FEATURES(VirtioBlkState, host_features),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void virtio_blk_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
+ dc->init = virtio_device_init;
+ dc->exit = virtio_device_exit;
+ dc->props = virtio_blk_properties;
+ /* VirtioDeviceClass */
+ vdc->get_config = virtio_blk_update_config;
+ vdc->set_config = virtio_blk_set_config;
+ vdc->get_features = virtio_blk_get_features;
+ vdc->set_status = virtio_blk_set_status;
+ vdc->reset = virtio_blk_reset;
+}
+
+static const TypeInfo virtio_device_info = {
+ .name = TYPE_VIRTIO_BLK,
+ .parent = TYPE_VIRTIO_DEVICE,
+ .instance_size = sizeof(VirtioBlkState),
+ .class_init = virtio_blk_class_init,
+};
+
+static void virtio_register_types(void)
+{
+ type_register_static(&virtio_device_info);
+}
+
+type_init(virtio_register_types)
diff --git a/hw/virtio-blk.h b/hw/virtio-blk.h
index f0740d0..13876e7 100644
--- a/hw/virtio-blk.h
+++ b/hw/virtio-blk.h
@@ -111,4 +111,20 @@ struct VirtIOBlkConf
DEFINE_VIRTIO_COMMON_FEATURES(_state, _field), \
DEFINE_PROP_BIT("config-wce", _state, _field, VIRTIO_BLK_F_CONFIG_WCE,
true)
+/*
+ * Refactored virtio-blk.
+ */
+
+#define TYPE_VIRTIO_BLK "virtio-blk"
+#define VIRTIO_BLK(obj) \
+ OBJECT_CHECK(VirtioBlkState, (obj), TYPE_VIRTIO_BLK)
+
+typedef struct {
+ DeviceState parent_obj;
+
+ /* virtio-blk specific */
+ VirtIOBlkConf blk;
+ uint32_t host_features;
+} VirtioBlkState;
+
#endif
--
1.7.1
- [Qemu-devel] [RFC PATCH V4 0/6] Virtio refactoring., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 1/6] qdev : add a maximum device allowed field for the bus., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 4/6] virtio-pci : Introduce virtio-pci device., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 3/6] virtio-pci-bus : Introduce virtio-pci-bus., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 5/6] virtio-device : Introduce virtio-device., fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 2/6] virtio-bus : Introduce virtio-bus, fred . konrad, 2012/11/30
- [Qemu-devel] [RFC PATCH V4 6/6] virtio-blk : Refactoring virtio-blk.,
fred . konrad <=
- Re: [Qemu-devel] [RFC PATCH V4 0/6] Virtio refactoring., Peter Maydell, 2012/11/30