diff mbox

[v3,2/2] virtio-scsi: Move DEFINE_VIRTIO_SCSI_FEATURES to virtio-scsi

Message ID 1429613471-7944-3-git-send-email-shannon.zhao@linaro.org
State Superseded
Headers show

Commit Message

Shannon Zhao April 21, 2015, 10:51 a.m. UTC
From: Shannon Zhao <shannon.zhao@linaro.org>

Move DEFINE_VIRTIO_SCSI_FEATURES to the backend virtio-scsi.
The transports just sync the host features from backend.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 hw/s390x/s390-virtio-bus.c      | 1 -
 hw/s390x/virtio-ccw.c           | 1 -
 hw/scsi/virtio-scsi.c           | 5 +++++
 hw/virtio/virtio-pci.c          | 1 -
 include/hw/virtio/virtio-scsi.h | 1 +
 5 files changed, 6 insertions(+), 3 deletions(-)

Comments

Shannon Zhao April 28, 2015, 12:32 a.m. UTC | #1
Ping?

On 2015/4/21 18:51, shannon.zhao@linaro.org wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
> 
> Move DEFINE_VIRTIO_SCSI_FEATURES to the backend virtio-scsi.
> The transports just sync the host features from backend.
> 
> Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> ---
>  hw/s390x/s390-virtio-bus.c      | 1 -
>  hw/s390x/virtio-ccw.c           | 1 -
>  hw/scsi/virtio-scsi.c           | 5 +++++
>  hw/virtio/virtio-pci.c          | 1 -
>  include/hw/virtio/virtio-scsi.h | 1 +
>  5 files changed, 6 insertions(+), 3 deletions(-)
Peter Maydell April 28, 2015, 9:29 a.m. UTC | #2
On 28 April 2015 at 09:18, Michael S. Tsirkin <mst@redhat.com> wrote:
> On Tue, Apr 28, 2015 at 03:28:51PM +0800, Shannon Zhao wrote:
>> On 2015/4/28 15:15, Michael S. Tsirkin wrote:
>> > My question would be, why just net and scsi?
>> > Does not the same apply to all devices?
>> >
>>
>> The virtio-blk has been changed before, while leaving net and scsi.
>> And the other devices don't set host features in the wrappers.
>
>
> They just use DEFINE_VIRTIO_COMMON_FEATURES but it's the
> same issue.

No, DEFINE_VIRTIO_COMMON_FEATURES are all transport features,
not backend features. These are already correctly placed
in the transports.

-- PMM
diff mbox

Patch

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index b893e02..c8a78ba 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -622,7 +622,6 @@  static const TypeInfo virtio_s390_device_info = {
 
 static Property s390_virtio_scsi_properties[] = {
     DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
-    DEFINE_VIRTIO_SCSI_FEATURES(VirtIOS390Device, host_features),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 1252162..ef97fe9 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1506,7 +1506,6 @@  static const TypeInfo virtio_ccw_balloon = {
 
 static Property virtio_ccw_scsi_properties[] = {
     DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id),
-    DEFINE_VIRTIO_SCSI_FEATURES(VirtioCcwDevice, host_features[0]),
     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index c9bea06..e242fef 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -631,6 +631,10 @@  static void virtio_scsi_set_config(VirtIODevice *vdev,
 static uint32_t virtio_scsi_get_features(VirtIODevice *vdev,
                                          uint32_t requested_features)
 {
+    VirtIOSCSI *s = VIRTIO_SCSI(vdev);
+
+    /* Firstly sync all virtio-scsi possible supported features */
+    requested_features |= s->host_features;
     return requested_features;
 }
 
@@ -945,6 +949,7 @@  static void virtio_scsi_device_unrealize(DeviceState *dev, Error **errp)
 
 static Property virtio_scsi_properties[] = {
     DEFINE_VIRTIO_SCSI_PROPERTIES(VirtIOSCSI, parent_obj.conf),
+    DEFINE_VIRTIO_SCSI_FEATURES(VirtIOSCSI, host_features),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index c6b99f9..5c173c4 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1078,7 +1078,6 @@  static Property virtio_scsi_pci_properties[] = {
                     VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
     DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
                        DEV_NVECTORS_UNSPECIFIED),
-    DEFINE_VIRTIO_SCSI_FEATURES(VirtIOPCIProxy, host_features),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h
index f93b57d..b42e7f1 100644
--- a/include/hw/virtio/virtio-scsi.h
+++ b/include/hw/virtio/virtio-scsi.h
@@ -98,6 +98,7 @@  typedef struct VirtIOSCSI {
     bool dataplane_fenced;
     Error *blocker;
     Notifier migration_state_notifier;
+    uint32_t host_features;
 } VirtIOSCSI;
 
 typedef struct VirtIOSCSIReq {