From 07a5298c3067ed63f7d82d8c1a6f479146447289 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Mon, 20 Aug 2012 15:23:28 +0200 Subject: 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 --- hw/virtio-scsi.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'hw/virtio-scsi.h') 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 */ -- cgit v1.2.3