boot from volume base code
diff --git a/openstack/compute/v2/extensions/bootfromvolume/results.go b/openstack/compute/v2/extensions/bootfromvolume/results.go
new file mode 100644
index 0000000..ef093e8
--- /dev/null
+++ b/openstack/compute/v2/extensions/bootfromvolume/results.go
@@ -0,0 +1,10 @@
+package bootfromvolume
+
+type BlockDeviceMapping struct {
+  BootIndex           int    `json:"boot_index"`
+  DeleteOnTermination bool   `json:"delete_on_termination"`
+  DestinationType     string `json:"destination_type"`
+  SourceType          string `json:"source_type"`
+  UUID                string `json:"uuid"`
+  VolumeSize          int    `json:"volume_size"`
+}