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authorPaolo Bonzini <pbonzini@redhat.com>2012-08-20 15:23:28 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2012-08-20 15:58:47 +0200
commit07a5298c3067ed63f7d82d8c1a6f479146447289 (patch)
tree42f67b4779c437bc2f5e72d0bdfa064fa3922fb4 /hw/virtio-scsi.h
parent1bd075f29ea6d11853475c7c42734595720c3ac6 (diff)
virtio-scsi: add backwards-compatibility properties for 1.1 and earlier machines
Hotplug and parameter change are new in 1.2, disable them via compat properties for pc-1.1 and earlier. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/virtio-scsi.h')
-rw-r--r--hw/virtio-scsi.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/virtio-scsi.h b/hw/virtio-scsi.h
index 4bc889de02..91924f6dfc 100644
--- a/hw/virtio-scsi.h
+++ b/hw/virtio-scsi.h
@@ -21,6 +21,11 @@
/* The ID for virtio_scsi */
#define VIRTIO_ID_SCSI 8
+/* Feature Bits */
+#define VIRTIO_SCSI_F_INOUT 0
+#define VIRTIO_SCSI_F_HOTPLUG 1
+#define VIRTIO_SCSI_F_CHANGE 2
+
struct VirtIOSCSIConf {
uint32_t num_queues;
uint32_t max_sectors;
@@ -31,6 +36,8 @@ struct VirtIOSCSIConf {
DEFINE_VIRTIO_COMMON_FEATURES(_state, _features_field), \
DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \
DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF), \
- DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)
+ DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128), \
+ DEFINE_PROP_BIT("hotplug", _state, _features_field, VIRTIO_SCSI_F_HOTPLUG, true), \
+ DEFINE_PROP_BIT("param_change", _state, _features_field, VIRTIO_SCSI_F_CHANGE, true)
#endif /* _QEMU_VIRTIO_SCSI_H */