Adding support for volume types
diff --git a/rackspace/blockstorage/v1/volumetypes/delegate.go b/rackspace/blockstorage/v1/volumetypes/delegate.go
new file mode 100644
index 0000000..c96b3e4
--- /dev/null
+++ b/rackspace/blockstorage/v1/volumetypes/delegate.go
@@ -0,0 +1,18 @@
+package volumetypes
+
+import (
+	"github.com/rackspace/gophercloud"
+	os "github.com/rackspace/gophercloud/openstack/blockstorage/v1/volumetypes"
+	"github.com/rackspace/gophercloud/pagination"
+)
+
+// List returns all volume types.
+func List(client *gophercloud.ServiceClient) pagination.Pager {
+	return os.List(client)
+}
+
+// Get will retrieve the volume type with the provided ID. To extract the volume
+// type from the result, call the Extract method on the GetResult.
+func Get(client *gophercloud.ServiceClient, id string) GetResult {
+	return GetResult{os.Get(client, id)}
+}
diff --git a/rackspace/blockstorage/v1/volumetypes/delegate_test.go b/rackspace/blockstorage/v1/volumetypes/delegate_test.go
new file mode 100644
index 0000000..aa042a7
--- /dev/null
+++ b/rackspace/blockstorage/v1/volumetypes/delegate_test.go
@@ -0,0 +1,65 @@
+package volumetypes
+
+import (
+	"testing"
+
+	os "github.com/rackspace/gophercloud/openstack/blockstorage/v1/volumetypes"
+	"github.com/rackspace/gophercloud/pagination"
+	th "github.com/rackspace/gophercloud/testhelper"
+	fake "github.com/rackspace/gophercloud/testhelper/client"
+)
+
+func TestList(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	os.MockListResponse(t)
+
+	count := 0
+
+	List(fake.ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+		count++
+		actual, err := ExtractVolumeTypes(page)
+		if err != nil {
+			t.Errorf("Failed to extract volume types: %v", err)
+			return false, err
+		}
+
+		expected := []VolumeType{
+			VolumeType{
+				ID:   "289da7f8-6440-407c-9fb4-7db01ec49164",
+				Name: "vol-type-001",
+				ExtraSpecs: map[string]interface{}{
+					"capabilities": "gpu",
+				},
+			},
+			VolumeType{
+				ID:         "96c3bda7-c82a-4f50-be73-ca7621794835",
+				Name:       "vol-type-002",
+				ExtraSpecs: map[string]interface{}{},
+			},
+		}
+
+		th.CheckDeepEquals(t, expected, actual)
+
+		return true, nil
+	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
+}
+
+func TestGet(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	os.MockGetResponse(t)
+
+	vt, err := Get(fake.ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22").Extract()
+	th.AssertNoErr(t, err)
+
+	th.AssertDeepEquals(t, vt.ExtraSpecs, map[string]interface{}{"serverNumber": "2"})
+	th.AssertEquals(t, vt.Name, "vol-type-001")
+	th.AssertEquals(t, vt.ID, "d32019d3-bc6e-4319-9c1d-6722fc136a22")
+}
diff --git a/rackspace/blockstorage/v1/volumetypes/results.go b/rackspace/blockstorage/v1/volumetypes/results.go
new file mode 100644
index 0000000..39c8d6f
--- /dev/null
+++ b/rackspace/blockstorage/v1/volumetypes/results.go
@@ -0,0 +1,37 @@
+package volumetypes
+
+import (
+	"github.com/mitchellh/mapstructure"
+	os "github.com/rackspace/gophercloud/openstack/blockstorage/v1/volumetypes"
+	"github.com/rackspace/gophercloud/pagination"
+)
+
+type VolumeType os.VolumeType
+
+type GetResult struct {
+	os.GetResult
+}
+
+// Extract will get the Volume Type struct out of the response.
+func (r GetResult) Extract() (*VolumeType, error) {
+	if r.Err != nil {
+		return nil, r.Err
+	}
+
+	var res struct {
+		VolumeType *VolumeType `json:"volume_type" mapstructure:"volume_type"`
+	}
+
+	err := mapstructure.Decode(r.Body, &res)
+
+	return res.VolumeType, err
+}
+
+func ExtractVolumeTypes(page pagination.Page) ([]VolumeType, error) {
+	var response struct {
+		VolumeTypes []VolumeType `mapstructure:"volume_types"`
+	}
+
+	err := mapstructure.Decode(page.(os.ListResult).Body, &response)
+	return response.VolumeTypes, err
+}