+void set_virtio_scsi_bus_name(DeviceState *dev, const char *bus_name)
+{
+ VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(dev);
+ if (bus_name) {
+ vs->bus_name = g_malloc(strlen(bus_name) + 3);
+ snprintf(vs->bus_name, strlen(bus_name) + 3, "%s.0", bus_name);
+ }
+}
+
int virtio_scsi_common_init(VirtIOSCSICommon *s)
{
VirtIODevice *vdev = VIRTIO_DEVICE(s);
@@ -624,7 +633,7 @@ static int virtio_scsi_device_init(VirtIODevice *vdev)
return ret;
}
- scsi_bus_new(&s->bus, qdev, &virtio_scsi_scsi_info);
+ scsi_named_bus_new(&s->bus, qdev, &virtio_scsi_scsi_info, vs->bus_name);
if (!qdev->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus);
}
@@ -639,6 +648,9 @@ int virtio_scsi_common_exit(VirtIOSCSICommon *vs)
{
VirtIODevice *vdev = VIRTIO_DEVICE(vs);
+ if (vs->bus_name) {
+ g_free(vs->bus_name);
+ }
g_free(vs->cmd_vqs);
virtio_cleanup(vdev);
return 0;
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 598876f..14fb8dd 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1106,11 +1106,20 @@ static int virtio_scsi_pci_init_pci(VirtIOPCIProxy
*vpci_dev)
VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
+ DeviceState *proxy = DEVICE(vpci_dev);
if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
vpci_dev->nvectors = vs->conf.num_queues + 3;
}
+ /*
+ * For command line compatibility, this set the virtio-scsi-device bus
+ * name as before.
+ */
+ if (proxy->id) {
+ set_virtio_scsi_bus_name(vdev, proxy->id);
+ }
+
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
if (qdev_init(vdev) < 0) {
return -1;
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index 4db346b..c356d54 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -164,6 +164,9 @@ typedef struct VirtIOSCSICommon {
VirtQueue *ctrl_vq;
VirtQueue *event_vq;
VirtQueue **cmd_vqs;
+
+ /* bus_name, for command line compatibility */
+ char *bus_name;
} VirtIOSCSICommon;
typedef struct {
@@ -189,5 +192,9 @@ typedef struct {
int virtio_scsi_common_init(VirtIOSCSICommon *vs);
int virtio_scsi_common_exit(VirtIOSCSICommon *vs);
+/*
+ * For command line back compatibility, set the bus name before initialisation.
+ */
+void set_virtio_scsi_bus_name(DeviceState *dev, const char *bus_name);
#endif /* _QEMU_VIRTIO_SCSI_H */