1 files changed, 1 insertions, 0 deletions

diff --git a/include/uapi/linux/nvme.h b/include/uapi/linux/nvme.h
index ad9014e49693..f090336d5bad 100644
--- a/include/uapi/linux/nvme.h
+++ b/include/uapi/linux/nvme.h
@@ -73,6 +73,7 @@ enum {
         NVME_CTRL_ONCS_COMPARE                  = 1 << 0,
         NVME_CTRL_ONCS_WRITE_UNCORRECTABLE      = 1 << 1,
         NVME_CTRL_ONCS_DSM                      = 1 << 2,
+        NVME_CTRL_VWC_PRESENT                   = 1 << 0,
 };
 
 struct nvme_lbaf {