diff --git a/cinder/common/constants.py b/cinder/common/constants.py
index d8030333070..0ad3cd0f064 100644
--- a/cinder/common/constants.py
+++ b/cinder/common/constants.py
@@ -46,6 +46,9 @@ NFS_VARIANT = 'nfs'
 NVMEOF = 'NVMe-oF'
 NVMEOF_VARIANT_1 = 'NVMeOF'
 NVMEOF_VARIANT_2 = 'nvmeof'
+NVMEOF_ROCE = 'NVMe-RoCE'
+NVMEOF_FC = 'NVMe-FC'
+NVMEOF_TCP = 'NVMe-TCP'
 SCALEIO = 'scaleio'
 SCSI = 'SCSI'
 STORPOOL = 'storpool'