nvme_id_ctrl_vwc - Man Page

enum nvme_id_ctrl_vwc {
   NVME_CTRL_VWC_PRESENT ,

   NVME_CTRL_VWC_FLUSH

};

NVME_CTRL_VWC_PRESENT

If set, indicates a volatile write cache is present. If a volatile write cache is present, then the host controls whether the volatile write cache is enabled with a Set Features command specifying the value NVME_FEAT_FID_VOLATILE_WC.

NVME_CTRL_VWC_FLUSH

Mask to get the value of the flush command behavior.