nvme\_init\_write\_zeros(9) libnvme API manual nvme\_init\_write\_zeros(9)

# [NAME](#NAME)

nvme\_init\_write\_zeros - Initialize passthru command for a write zeroes command

# [SYNOPSIS](#SYNOPSIS)

**void nvme\_init\_write\_zeros** **(struct libnvme\_passthru\_cmd \*cmd ,** **\_\_u32 nsid ,** **\_\_u64 slba ,** **\_\_u16 nlb ,** **\_\_u16 control ,** **\_\_u16 dspec ,** **\_\_u8 dsm ,** **\_\_u8 cev );**

# [ARGUMENTS](#ARGUMENTS)

[cmd](#cmd)

Passthru command to use

[nsid](#nsid)

Namespace ID

[slba](#slba)

Starting logical block

[nlb](#nlb)

Number of logical blocks (0-based)

[control](#control)

Upper 16 bits of cdw12

[dspec](#dspec)

Directive specific value

[dsm](#dsm)

Data set management attributes (CETYPE is zero), see *enum nvme\_io\_dsm\_flags*

[cev](#cev)

Command Extension Value (CETYPE is non-zero)

# [DESCRIPTION](#DESCRIPTION)

Initializes the passthru command buffer for the Write Zeroes command.

# [NOTE](#NOTE)

Write Zeroes command does not transfer data or metadata.

nvme\_init\_write\_zeros October 2026

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Document: nvme_init_write_zeros-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli