From: KONRAD Frederic <fred.kon...@greensocs.com>
Here the virtio-rng-pci is modified for the new API. The device
virtio-rng-pci extends virtio-pci. It creates and connects a virtio-rng
during the init. The properties are not changed.
Signed-off-by: KONRAD Frederic <fred.kon...@greensocs.com>
---
hw/virtio-pci.c | 134 ++++++++++++++++++++++++++------------------------------
hw/virtio-pci.h | 15 ++++++-
2 files changed, 75 insertions(+), 74 deletions(-)
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 4e35e04..8b89758 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -815,41 +815,6 @@ static void virtio_serial_exit_pci(PCIDevice *pci_dev)
virtio_exit_pci(pci_dev);
}
-static int virtio_rng_init_pci(PCIDevice *pci_dev)
-{
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
- VirtIODevice *vdev;
-
- if (proxy->rng.rng == NULL) {
- proxy->rng.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
-
- object_property_add_child(OBJECT(pci_dev),
- "default-backend",
- OBJECT(proxy->rng.default_backend),
- NULL);
-
- object_property_set_link(OBJECT(pci_dev),
- OBJECT(proxy->rng.default_backend),
- "rng", NULL);
- }
-
- vdev = virtio_rng_init(&pci_dev->qdev, &proxy->rng);
- if (!vdev) {
- return -1;
- }
- virtio_init_pci(proxy, vdev);
- return 0;
-}
-
-static void virtio_rng_exit_pci(PCIDevice *pci_dev)
-{
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
-
- virtio_pci_stop_ioeventfd(proxy);
- virtio_rng_exit(proxy->vdev);
- virtio_exit_pci(pci_dev);
-}
-
static Property virtio_serial_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
@@ -881,44 +846,6 @@ static TypeInfo virtio_serial_info = {
.class_init = virtio_serial_class_init,
};
-static void virtio_rng_initfn(Object *obj)
-{
- PCIDevice *pci_dev = PCI_DEVICE(obj);
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
-
- object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
- (Object **)&proxy->rng.rng, NULL);
-}
-
-static Property virtio_rng_properties[] = {
- DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_VIRTIO_RNG_PROPERTIES(VirtIOPCIProxy, rng),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_rng_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->init = virtio_rng_init_pci;
- k->exit = virtio_rng_exit_pci;
- k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
- k->device_id = PCI_DEVICE_ID_VIRTIO_RNG;
- k->revision = VIRTIO_PCI_ABI_VERSION;
- k->class_id = PCI_CLASS_OTHERS;
- dc->reset = virtio_pci_reset;
- dc->props = virtio_rng_properties;
-}
-
-static TypeInfo virtio_rng_info = {
- .name = "virtio-rng-pci",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(VirtIOPCIProxy),
- .instance_init = virtio_rng_initfn,
- .class_init = virtio_rng_class_init,
-};
-
/*
* virtio-pci : This is the PCIDevice which have a virtio-pci-bus.
*/
@@ -1270,6 +1197,67 @@ static TypeInfo virtio_balloon_pci_info = {
.class_init = virtio_balloon_pci_class_init,
};
+/* virtio-rng-pci */
+
+static Property virtio_rng_pci_properties[] = {
+ DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORngPCI, conf),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static int virtio_rng_pci_init(VirtIOPCIProxy *vpci_dev)
+{
+ VirtIORngPCI *vrng = VIRTIO_RNG_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&vrng->vdev);
+
+ if (vrng->conf.rng == NULL) {
+ vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
+
+ object_property_add_child(OBJECT(vrng),
+ "default-backend",
+ OBJECT(vrng->conf.default_backend),
+ NULL);
+
+ object_property_set_link(OBJECT(vrng),
+ OBJECT(vrng->conf.default_backend),
+ "rng", NULL);
+ }
+
+ virtio_rng_set_conf(vdev, &(vrng->conf));
+ qdev_set_parent_bus(vdev, BUS(vpci_dev->bus));
+ if (qdev_init(vdev) < 0) {
+ return -1;
+ }
+ return 0;
+}
+
+static void virtio_rng_pci_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
+
+ k->init = virtio_rng_pci_init;
+ dc->props = virtio_rng_pci_properties;
+}
+
+static void virtio_rng_initfn(Object *obj)
+{
+ VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj);
+ object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_RNG);
+ object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
+ (Object **)&dev->conf.rng, NULL);
+
+}
+
+static TypeInfo virtio_rng_info = {
+ .name = TYPE_VIRTIO_RNG_PCI,
+ .parent = TYPE_VIRTIO_PCI,
+ .instance_size = sizeof(VirtIORngPCI),
+ .instance_init = virtio_rng_initfn,
+ .class_init = virtio_rng_pci_class_init,
+};
+
/* virtio-pci-bus */
VirtioBusState *virtio_pci_bus_new(VirtIOPCIProxy *dev)
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index d67e945..8f418b4 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -28,6 +28,7 @@ typedef struct VirtIOBlkPCI VirtIOBlkPCI;
typedef struct VirtIONetPCI VirtIONetPCI;
typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
typedef struct VirtIOBalloonPCI VirtIOBalloonPCI;
+typedef struct VirtIORngPCI VirtIORngPCI;
/* virtio-pci-bus */
#define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus"
@@ -78,7 +79,6 @@ struct VirtIOPCIProxy {
V9fsConf fsconf;
#endif
virtio_serial_conf serial;
- VirtIORNGConf rng;
bool ioeventfd_disabled;
bool ioeventfd_started;
VirtIOIRQFD *vector_irqfd;
@@ -138,6 +138,19 @@ struct VirtIOBalloonPCI {
VirtIOBalloon vdev;
};
+/*
+ * virtio-rng-pci : This extends VirtioPCIProxy.
+ */
+#define TYPE_VIRTIO_RNG_PCI "virtio-rng-pci"
+#define VIRTIO_RNG_PCI(obj) \
+ OBJECT_CHECK(VirtIORngPCI, (obj), TYPE_VIRTIO_RNG_PCI)
+
+struct VirtIORngPCI {
+ VirtIOPCIProxy parent_obj;
+ VirtIORNG vdev;
+ VirtIORNGConf conf;
+};
+
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
void virtio_pci_reset(DeviceState *d);
--
1.7.11.7
