Virtio 1 requires this, and all devices are clean by now,
so let's do it!
Exceptions:
- virtio-blk
- compat machine types
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
Untested - consider this pseudo-code - it just seems easier to write it
in C than try to explain it.
include/hw/compat.h | 22 +++++++++++++++++++++-
include/hw/virtio/virtio.h | 4 +++-
hw/block/virtio-blk.c | 1 +
hw/net/virtio-net.c | 2 --
hw/scsi/virtio-scsi.c | 2 --
5 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 4a43466..94c8097 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -2,7 +2,27 @@
#define HW_COMPAT_H
#define HW_COMPAT_2_3 \
- /* empty */
+ {\
+ .driver = "virtio-blk-pci",\
+ .property = "any_layout",\
+ .value = "off",\
+ },{\
+ .driver = "virtio-balloon-pci",\
+ .property = "any_layout",\
+ .value = "off",\
+ },{\
+ .driver = "virtio-serial-pci",\
+ .property = "any_layout",\
+ .value = "off",\
+ },{\
+ .driver = "virtio-9p-pci",\
+ .property = "any_layout",\
+ .value = "off",\
+ },{\
+ .driver = "virtio-rng-pci",\
+ .property = "any_layout",\
+ .value = "off",\
+ },
#define HW_COMPAT_2_2 \
/* empty */
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 473fb75..fbb3c06 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -214,7 +214,9 @@ typedef struct VirtIORNGConf VirtIORNGConf;
DEFINE_PROP_BIT64("event_idx", _state, _field, \
VIRTIO_RING_F_EVENT_IDX, true), \
DEFINE_PROP_BIT64("notify_on_empty", _state, _field, \
- VIRTIO_F_NOTIFY_ON_EMPTY, true)
+ VIRTIO_F_NOTIFY_ON_EMPTY, true) \
+ DEFINE_PROP_BIT64("any_layout", _state, _field, \
+ VIRTIO_F_ANY_LAYOUT, true)
hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 6aefda4..015b9b5 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -731,6 +731,7 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev,
uint64_t features)
virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
+ virtio_clear_feature(&features, VIRTIO_F_ANY_LAYOUT);
if (s->conf.config_wce) {
virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 304d3dd..e203058 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1777,8 +1777,6 @@ static void virtio_net_instance_init(Object *obj)
}
static Property virtio_net_properties[] = {
- DEFINE_PROP_BIT("any_layout", VirtIONet, host_features,
- VIRTIO_F_ANY_LAYOUT, true),
DEFINE_PROP_BIT("csum", VirtIONet, host_features, VIRTIO_NET_F_CSUM, true),
DEFINE_PROP_BIT("guest_csum", VirtIONet, host_features,
VIRTIO_NET_F_GUEST_CSUM, true),
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index f7d3c7c..d17698d 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -953,8 +953,6 @@ static Property virtio_scsi_properties[] = {
0xFFFF),
DEFINE_PROP_UINT32("cmd_per_lun", VirtIOSCSI, parent_obj.conf.cmd_per_lun,
128),
- DEFINE_PROP_BIT("any_layout", VirtIOSCSI, host_features,
- VIRTIO_F_ANY_LAYOUT, true),
DEFINE_PROP_BIT("hotplug", VirtIOSCSI, host_features,
VIRTIO_SCSI_F_HOTPLUG, true),
DEFINE_PROP_BIT("param_change", VirtIOSCSI, host_features,
--
MST
