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virtio-blk-pci: switch to new API. 

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

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1363624648-16906-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
KONRAD Frederic 2013-03-18 17:37:23 +01:00 committed by Anthony Liguori
parent 1c028ddfb0
commit 653ced071b
2 changed files with 71 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
hw/virtio-pci.c
View File

@ -924,26 +924,6 @@ void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev)
proxy->host_features = vdev->get_features(vdev, proxy->host_features);
}
static int virtio_blk_init_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
VirtIODevice *vdev;
if (proxy->class_code != PCI_CLASS_STORAGE_SCSI &&
proxy->class_code != PCI_CLASS_STORAGE_OTHER)
proxy->class_code = PCI_CLASS_STORAGE_SCSI;
vdev = virtio_blk_init(&pci_dev->qdev, &proxy->blk);
if (!vdev) {
return -1;
}
vdev->nvectors = proxy->nvectors;
virtio_init_pci(proxy, vdev);
/* make the actual value visible */
proxy->nvectors = vdev->nvectors;
return 0;
}
static void virtio_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
@ -952,15 +932,6 @@ static void virtio_exit_pci(PCIDevice *pci_dev)
msix_uninit_exclusive_bar(pci_dev);
}
static void virtio_blk_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_pci_stop_ioeventfd(proxy);
virtio_blk_exit(proxy->vdev);
virtio_exit_pci(pci_dev);
}
static int virtio_serial_init_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
@ -1082,40 +1053,6 @@ static void virtio_rng_exit_pci(PCIDevice *pci_dev)
virtio_exit_pci(pci_dev);
}
static Property virtio_blk_properties[] = {
DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
DEFINE_PROP_BIT("x-data-plane", VirtIOPCIProxy, blk.data_plane, 0, false),
#endif
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOPCIProxy, blk),
DEFINE_PROP_END_OF_LIST(),
};
static void virtio_blk_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->init = virtio_blk_init_pci;
k->exit = virtio_blk_exit_pci;
k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
k->revision = VIRTIO_PCI_ABI_VERSION;
k->class_id = PCI_CLASS_STORAGE_SCSI;
dc->reset = virtio_pci_reset;
dc->props = virtio_blk_properties;
}
static const TypeInfo virtio_blk_info = {
.name = "virtio-blk-pci",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(VirtIOPCIProxy),
.class_init = virtio_blk_class_init,
};
static Property virtio_net_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3),
@ -1460,6 +1397,62 @@ static const TypeInfo virtio_pci_info = {
.abstract = true,
};
/* virtio-blk-pci */
static Property virtio_blk_pci_properties[] = {
DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0),
DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags,
VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
DEFINE_PROP_BIT("x-data-plane", VirtIOBlkPCI, blk.data_plane, 0, false),
#endif
DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_VIRTIO_BLK_PROPERTIES(VirtIOBlkPCI, blk),
DEFINE_PROP_END_OF_LIST(),
};
static int virtio_blk_pci_init(VirtIOPCIProxy *vpci_dev)
{
VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
virtio_blk_set_conf(vdev, &(dev->blk));
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
if (qdev_init(vdev) < 0) {
return -1;
}
return 0;
}
static void virtio_blk_pci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
dc->props = virtio_blk_pci_properties;
k->init = virtio_blk_pci_init;
pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_BLOCK;
pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
pcidev_k->class_id = PCI_CLASS_STORAGE_SCSI;
}
static void virtio_blk_pci_instance_init(Object *obj)
{
VirtIOBlkPCI *dev = VIRTIO_BLK_PCI(obj);
object_initialize(OBJECT(&dev->vdev), TYPE_VIRTIO_BLK);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
}
static const TypeInfo virtio_blk_pci_info = {
.name = TYPE_VIRTIO_BLK_PCI,
.parent = TYPE_VIRTIO_PCI,
.instance_size = sizeof(VirtIOBlkPCI),
.instance_init = virtio_blk_pci_instance_init,
.class_init = virtio_blk_pci_class_init,
};
/* virtio-pci-bus */
void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev)
@ -1498,7 +1491,6 @@ static const TypeInfo virtio_pci_bus_info = {
static void virtio_pci_register_types(void)
{
type_register_static(&virtio_blk_info);
type_register_static(&virtio_net_info);
type_register_static(&virtio_serial_info);
type_register_static(&virtio_balloon_info);
@ -1509,6 +1501,7 @@ static void virtio_pci_register_types(void)
#ifdef CONFIG_VIRTFS
type_register_static(&virtio_9p_info);
#endif
type_register_static(&virtio_blk_pci_info);
}
type_init(virtio_pci_register_types)

15
hw/virtio-pci.h
View File

@ -25,6 +25,7 @@
#include "hw/9pfs/virtio-9p-device.h"
typedef struct VirtIOPCIProxy VirtIOPCIProxy;
typedef struct VirtIOBlkPCI VirtIOBlkPCI;
/* virtio-pci-bus */
@ -73,7 +74,6 @@ struct VirtIOPCIProxy {
uint32_t flags;
uint32_t class_code;
uint32_t nvectors;
VirtIOBlkConf blk;
NICConf nic;
uint32_t host_features;
#ifdef CONFIG_VIRTFS
@ -90,6 +90,19 @@ struct VirtIOPCIProxy {
VirtioBusState bus;
};
/*
* virtio-blk-pci: This extends VirtioPCIProxy.
*/
#define TYPE_VIRTIO_BLK_PCI "virtio-blk-pci"
#define VIRTIO_BLK_PCI(obj) \
OBJECT_CHECK(VirtIOBlkPCI, (obj), TYPE_VIRTIO_BLK_PCI)
struct VirtIOBlkPCI {
VirtIOPCIProxy parent_obj;
VirtIOBlock vdev;
VirtIOBlkConf blk;
};
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
void virtio_pci_bus_new(VirtioBusState *bus, VirtIOPCIProxy *dev);