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[Qemu-devel] [PATCH for-1.5 v2 5/5] virtio-scsi: fix the command line co


From: fred . konrad
Subject: [Qemu-devel] [PATCH for-1.5 v2 5/5] virtio-scsi: fix the command line compatibility.
Date: Tue, 30 Apr 2013 16:08:51 +0200

From: KONRAD Frederic <address@hidden>

The bus name is wrong since the refactoring.

This keeps the behaviour of the command line.

Signed-off-by: KONRAD Frederic <address@hidden>
---
 hw/s390x/s390-virtio-bus.c      | 12 ++++++++++++
 hw/s390x/virtio-ccw.c           | 12 ++++++++++++
 hw/scsi/virtio-scsi.c           |  3 ++-
 hw/virtio/virtio-pci.c          | 12 ++++++++++++
 include/hw/virtio/virtio-scsi.h |  1 -
 5 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 83faf97..5a3d97c 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -235,6 +235,18 @@ static int s390_virtio_scsi_init(VirtIOS390Device 
*s390_dev)
 {
     VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(s390_dev);
     DeviceState *vdev = DEVICE(&dev->vdev);
+    DeviceState *qdev = DEVICE(s390_dev);
+    char *bus_name;
+
+    /*
+     * For command line compatibility, this sets the virtio-scsi-device bus
+     * name as before.
+     */
+    if (qdev->id) {
+        bus_name = g_strdup_printf("%s.0", qdev->id);
+        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+        g_free(bus_name);
+    }
 
     qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
     if (qdev_init(vdev) < 0) {
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 4ebefd8..76e6d32 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -680,6 +680,18 @@ static int virtio_ccw_scsi_init(VirtioCcwDevice *ccw_dev)
 {
     VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(ccw_dev);
     DeviceState *vdev = DEVICE(&dev->vdev);
+    DeviceState *qdev = DEVICE(ccw_dev);
+    char *bus_name;
+
+    /*
+     * For command line compatibility, this sets the virtio-scsi-device bus
+     * name as before.
+     */
+    if (qdev->id) {
+        bus_name = g_strdup_printf("%s.0", qdev->id);
+        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+        g_free(bus_name);
+    }
 
     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
     if (qdev_init(vdev) < 0) {
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index f7ce743..08dd3f3 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -624,7 +624,8 @@ static int virtio_scsi_device_init(VirtIODevice *vdev)
         return ret;
     }
 
-    scsi_bus_new(&s->bus, qdev, &virtio_scsi_scsi_info, NULL);
+    scsi_bus_new(&s->bus, qdev, &virtio_scsi_scsi_info, vdev->bus_name);
+
     if (!qdev->hotplugged) {
         scsi_bus_legacy_handle_cmdline(&s->bus);
     }
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index abd2a3e..ec0066b 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1106,11 +1106,23 @@ 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);
+    char *bus_name;
 
     if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
         vpci_dev->nvectors = vs->conf.num_queues + 3;
     }
 
+    /*
+     * For command line compatibility, this sets the virtio-scsi-device bus
+     * name as before.
+     */
+    if (proxy->id) {
+        bus_name = g_strdup_printf("%s.0", proxy->id);
+        virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+        g_free(bus_name);
+    }
+
     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..9a98540 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -189,5 +189,4 @@ typedef struct {
 int virtio_scsi_common_init(VirtIOSCSICommon *vs);
 int virtio_scsi_common_exit(VirtIOSCSICommon *vs);
 
-
 #endif /* _QEMU_VIRTIO_SCSI_H */
-- 
1.8.1.4




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