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.TH "libnvme" 9 "enum nvme_id_ctrl_vwc" "April 2025" "API Manual" LINUX
.SH NAME
enum nvme_id_ctrl_vwc \- Volatile write cache
.SH SYNOPSIS
enum nvme_id_ctrl_vwc {
.br
.BI " NVME_CTRL_VWC_PRESENT"
,
.br
.br
.BI " NVME_CTRL_VWC_FLUSH"
};
.SH Constants
.IP "NVME_CTRL_VWC_PRESENT" 12
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.
.IP "NVME_CTRL_VWC_FLUSH" 12
Mask to get the value of the flush command behavior.
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