.TH "libnvme" 9 "enum nvme_id_ns_dlfeat" "August 2022" "API Manual" LINUX
.SH NAME
enum nvme_id_ns_dlfeat \- This field indicates information about features that affect deallocating logical blocks for this namespace.
.SH SYNOPSIS
enum nvme_id_ns_dlfeat {
.br
.BI "    NVME_NS_DLFEAT_RB"
, 
.br
.br
.BI "    NVME_NS_DLFEAT_RB_NR"
, 
.br
.br
.BI "    NVME_NS_DLFEAT_RB_ALL_0S"
, 
.br
.br
.BI "    NVME_NS_DLFEAT_RB_ALL_FS"
, 
.br
.br
.BI "    NVME_NS_DLFEAT_WRITE_ZEROES"
, 
.br
.br
.BI "    NVME_NS_DLFEAT_CRC_GUARD"

};
.SH Constants
.IP "NVME_NS_DLFEAT_RB" 12
Mask to get the value of the read behavior
.IP "NVME_NS_DLFEAT_RB_NR" 12
Read behvaior is not reported
.IP "NVME_NS_DLFEAT_RB_ALL_0S" 12
A deallocated logical block returns all bytes
cleared to 0h.
.IP "NVME_NS_DLFEAT_RB_ALL_FS" 12
A deallocated logical block returns all bytes
set to FFh.
.IP "NVME_NS_DLFEAT_WRITE_ZEROES" 12
If set, indicates that the controller supports
the Deallocate bit in the Write Zeroes command
for this namespace.
.IP "NVME_NS_DLFEAT_CRC_GUARD" 12
If set, indicates that the Guard field for
deallocated logical blocks that contain
protection information is set to the CRC for
the value read from the deallocated logical
block and its metadata