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[Qemu-stable] [PULL 12/39] virtio/vhost-scsi: use aliases instead of dup
From: |
Paolo Bonzini |
Subject: |
[Qemu-stable] [PULL 12/39] virtio/vhost-scsi: use aliases instead of duplicate qdev properties |
Date: |
Tue, 30 Sep 2014 14:24:52 +0200 |
From: Gonglei <address@hidden>
{virtio, vhost}-scsi-{pci, s390, ccw} all duplicate the
qdev properties of their VirtIOSCSI/VHostSCSI child.
This approach does not work well with string or pointer
properties since we must be careful about leaking or
double-freeing them.
Use the QOM alias property to forward property accesses to the
VirtIOSCSI/VHostSCSI child. This way no duplication is necessary.
Signed-off-by: Gonglei <address@hidden>
Reviewed-by: Cornelia Huck <address@hidden>
Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/s390x/s390-virtio-bus.c | 4 ++--
hw/s390x/virtio-ccw.c | 4 ++--
hw/virtio/virtio-pci.c | 4 ++--
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 297eac2..eaaa275 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -258,6 +258,7 @@ static void s390_virtio_scsi_instance_init(Object *obj)
VirtIOSCSIS390 *dev = VIRTIO_SCSI_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
#ifdef CONFIG_VHOST_SCSI
@@ -279,6 +280,7 @@ static void s390_vhost_scsi_instance_init(Object *obj)
VHostSCSIS390 *dev = VHOST_SCSI_S390(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
#endif
@@ -614,7 +616,6 @@ static const TypeInfo virtio_s390_device_info = {
};
static Property s390_virtio_scsi_properties[] = {
- DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIS390, vdev.parent_obj.conf),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features),
DEFINE_PROP_END_OF_LIST(),
@@ -640,7 +641,6 @@ static const TypeInfo s390_virtio_scsi = {
#ifdef CONFIG_VHOST_SCSI
static Property s390_vhost_scsi_properties[] = {
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
- DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIS390, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index bb699f2..458aabc 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -938,6 +938,7 @@ static void virtio_ccw_scsi_instance_init(Object *obj)
VirtIOSCSICcw *dev = VIRTIO_SCSI_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
#ifdef CONFIG_VHOST_SCSI
@@ -959,6 +960,7 @@ static void vhost_ccw_scsi_instance_init(Object *obj)
VHostSCSICcw *dev = VHOST_SCSI_CCW(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
#endif
@@ -1481,7 +1483,6 @@ static const TypeInfo virtio_ccw_balloon = {
static Property virtio_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
- DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSICcw, vdev.parent_obj.conf),
DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]),
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
@@ -1510,7 +1511,6 @@ static const TypeInfo virtio_ccw_scsi = {
#ifdef CONFIG_VHOST_SCSI
static Property vhost_ccw_scsi_properties[] = {
DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
- DEFINE_VHOST_SCSI_PROPERTIES(VirtIOSCSICcw, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index b82b738..ef48983 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1135,7 +1135,6 @@ static Property virtio_scsi_pci_properties[] = {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
DEFINE_VIRTIO_SCSI_FEATURES(VirtIOPCIProxy, host_features),
- DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSIPCI, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -1187,6 +1186,7 @@ static void virtio_scsi_pci_instance_init(Object *obj)
VirtIOSCSIPCI *dev = VIRTIO_SCSI_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
static const TypeInfo virtio_scsi_pci_info = {
@@ -1203,7 +1203,6 @@ static const TypeInfo virtio_scsi_pci_info = {
static Property vhost_scsi_pci_properties[] = {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
DEV_NVECTORS_UNSPECIFIED),
- DEFINE_VHOST_SCSI_PROPERTIES(VHostSCSIPCI, vdev.parent_obj.conf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -1243,6 +1242,7 @@ static void vhost_scsi_pci_instance_init(Object *obj)
VHostSCSIPCI *dev = VHOST_SCSI_PCI(obj);
object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VHOST_SCSI);
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
+ qdev_alias_all_properties(DEVICE(&dev->vdev), obj);
}
static const TypeInfo vhost_scsi_pci_info = {
--
1.8.3.1
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