libnvme(9)

NAME
enum nvme_id_ctrl_vwc - Volatile write cache

SYNOPSIS
enum nvme_id_ctrl_vwc {
NVME_CTRL_VWC_PRESENT ,
NVME_CTRL_VWC_FLUSH };

Constants

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.