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[Qemu-devel] [PATCH 27/61] virtio-scsi-pci : switch to new API.
From: |
fred . konrad |
Subject: |
[Qemu-devel] [PATCH 27/61] virtio-scsi-pci : switch to new API. |
Date: |
Mon, 7 Jan 2013 19:40:40 +0100 |
From: KONRAD Frederic <address@hidden>
Here the virtio-scsi-pci is modified for the new API. The device virtio-scsi-pci
extends virtio-pci. It creates and connects a virtio-scsi during the init.
Signed-off-by: KONRAD Frederic <address@hidden>
---
hw/virtio-pci.c | 121 +++++++++++++++++++++++++++-----------------------------
hw/virtio-pci.h | 15 ++++++-
2 files changed, 72 insertions(+), 64 deletions(-)
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index be382c0..bbdb576 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -979,68 +979,6 @@ static TypeInfo virtio_rng_info = {
.class_init = virtio_rng_class_init,
};
-static int virtio_scsi_init_pci(PCIDevice *pci_dev)
-{
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
- VirtIODevice *vdev;
-
- vdev = virtio_scsi_init(&pci_dev->qdev, &proxy->scsi);
- if (!vdev) {
- return -EINVAL;
- }
-
- vdev->nvectors = proxy->nvectors == DEV_NVECTORS_UNSPECIFIED
- ? proxy->scsi.num_queues + 3
- : proxy->nvectors;
- virtio_init_pci(proxy, vdev);
-
- /* make the actual value visible */
- proxy->nvectors = vdev->nvectors;
- return 0;
-}
-
-static void virtio_scsi_exit_pci(PCIDevice *pci_dev)
-{
- VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
-
- virtio_scsi_exit(proxy->vdev);
- virtio_exit_pci(pci_dev);
-}
-
-static Property virtio_scsi_properties[] = {
- DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
- DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
- DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_PROP_BIT("hotplug", VirtIOPCIProxy, host_features,
- VIRTIO_SCSI_F_HOTPLUG, true),
- DEFINE_PROP_BIT("param_change", VirtIOPCIProxy, host_features,
- VIRTIO_SCSI_F_CHANGE, true),
- DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOPCIProxy, scsi),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void virtio_scsi_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->init = virtio_scsi_init_pci;
- k->exit = virtio_scsi_exit_pci;
- k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
- k->device_id = PCI_DEVICE_ID_VIRTIO_SCSI;
- k->revision = 0x00;
- k->class_id = PCI_CLASS_STORAGE_SCSI;
- dc->reset = virtio_pci_reset;
- dc->props = virtio_scsi_properties;
-}
-
-static TypeInfo virtio_scsi_info = {
- .name = "virtio-scsi-pci",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(VirtIOPCIProxy),
- .class_init = virtio_scsi_class_init,
-};
-
/*
* virtio-pci : This is the PCIDevice which have a virtio-pci-bus.
*/
@@ -1276,6 +1214,63 @@ static TypeInfo virtio_net_pci_info = {
.class_init = virtio_net_pci_class_init,
};
+/* virtio-scsi-pci */
+
+static Property virtio_scsi_pci_properties[] = {
+ DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
+ VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
+ DEV_NVECTORS_UNSPECIFIED),
+ DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
+ DEFINE_PROP_BIT("hotplug", VirtIOPCIProxy, host_features,
+ VIRTIO_SCSI_F_HOTPLUG, true),
+ DEFINE_PROP_BIT("param_change", VirtIOPCIProxy, host_features,
+ VIRTIO_SCSI_F_CHANGE, true),
+ DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIPCI, conf),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static int virtio_scsi_pci_init_pci(VirtIOPCIProxy *vpci_dev)
+{
+ VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ virtio_scsi_set_conf(vdev, &(dev->conf));
+ if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
+ vpci_dev->nvectors = dev->conf.num_queues + 3;
+ }
+
+ qdev_set_parent_bus(vdev, BUS(vpci_dev->bus));
+ if (qdev_init(vdev) < 0) {
+ return -1;
+ }
+ return 0;
+}
+
+static void virtio_scsi_pci_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
+
+ k->init = virtio_scsi_pci_init_pci;
+ dc->props = virtio_scsi_pci_properties;
+}
+
+static void virtio_scsi_pci_instance_init(Object *obj)
+{
+ VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
+ object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_SCSI);
+ object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+}
+
+static TypeInfo virtio_scsi_pci_info = {
+ .name = TYPE_VIRTIO_SCSI_PCI,
+ .parent = TYPE_VIRTIO_PCI,
+ .instance_size = sizeof(VirtIOSCSIPCI),
+ .instance_init = virtio_scsi_pci_instance_init,
+ .class_init = virtio_scsi_pci_class_init,
+};
+
/* virtio-pci-bus */
VirtioBusState *virtio_pci_bus_new(VirtIOPCIProxy *dev)
@@ -1317,12 +1312,12 @@ static void virtio_pci_register_types(void)
{
type_register_static(&virtio_serial_info);
type_register_static(&virtio_balloon_info);
- type_register_static(&virtio_scsi_info);
type_register_static(&virtio_rng_info);
type_register_static(&virtio_pci_bus_info);
type_register_static(&virtio_pci_info);
type_register_static(&virtio_blk_pci_info);
type_register_static(&virtio_net_pci_info);
+ type_register_static(&virtio_scsi_pci_info);
}
type_init(virtio_pci_register_types)
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index b8cf743..4114240 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -25,6 +25,7 @@
typedef struct VirtIOPCIProxy VirtIOPCIProxy;
typedef struct VirtIOBlkPCI VirtIOBlkPCI;
typedef struct VirtIONetPCI VirtIONetPCI;
+typedef struct VirtIOSCSIPCI VirtIOSCSIPCI;
/* virtio-pci-bus */
#define TYPE_VIRTIO_PCI_BUS "virtio-pci-bus"
@@ -75,7 +76,6 @@ struct VirtIOPCIProxy {
V9fsConf fsconf;
#endif
virtio_serial_conf serial;
- VirtIOSCSIConf scsi;
VirtIORNGConf rng;
bool ioeventfd_disabled;
bool ioeventfd_started;
@@ -111,6 +111,19 @@ struct VirtIONetPCI {
NICConf nic_conf;
};
+/*
+ * virtio-scsi-pci : This extends VirtioPCIProxy.
+ */
+#define TYPE_VIRTIO_SCSI_PCI "virtio-scsi-pci"
+#define VIRTIO_SCSI_PCI(obj) \
+ OBJECT_CHECK(VirtIOSCSIPCI, (obj), TYPE_VIRTIO_SCSI_PCI)
+
+struct VirtIOSCSIPCI {
+ VirtIOPCIProxy parent_obj;
+ VirtIOSCSI vdev;
+ VirtIOSCSIConf conf;
+};
+
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
void virtio_pci_reset(DeviceState *d);
--
1.7.11.7
- [Qemu-devel] [PATCH 45/61] virtio-rng.c : cleanup : use QOM casts., (continued)
- [Qemu-devel] [PATCH 45/61] virtio-rng.c : cleanup : use QOM casts., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 39/61] virtio-rng : don't use pointer for configuration., fred . konrad, 2013/01/07
- Re: [Qemu-devel] [PATCH 00/61] Virtio refactoring., Michael S. Tsirkin, 2013/01/07
- [Qemu-devel] [PATCH 52/61] virtio-serial : cleanup : remove qdev field., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 28/61] virtio-scsi-s390 : switch to the new API., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 38/61] virtio-rng : show the VirtIORNG structure., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 31/61] virtio-scsi : cleanup : remove qdev field., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 46/61] virtio-serial : show structures., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 37/61] virtio-balloon : cleanup : remove qdev field., fred . konrad, 2013/01/07
- [Qemu-devel] [PATCH 27/61] virtio-scsi-pci : switch to new API.,
fred . konrad <=
- [Qemu-devel] [PATCH 29/61] virtio-scsi : cleanup : use QOM casts., fred . konrad, 2013/01/07
- Re: [Qemu-devel] [PATCH 00/61] Virtio refactoring., Peter Maydell, 2013/01/08