---
name: "libnvmf_params_set-libnvme3"
section: "2"
platform: "linux"
package: "nvme-cli"
version: "3.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/libnvmf_params_set-libnvme3"
---

# libnvmf\_params\_set-libnvme3(2)

Set a connection parameter.

## NAME

libnvmf\_params\_set - Set a connection parameter.

## SYNOPSIS

**int libnvmf\_params\_set** **(struct libnvmf\_params \*params** *,* **const char \*key** *,* **const char \*value** *);*

## ARGUMENTS

- params

  Caller-owned parameter set.

- key

  Parameter name.

- value

  Parameter value as a string. An empty string restores the kernel default for the parameter.

## DESCRIPTION

If the parameter already exists, its value is replaced.

## RETURN

\* 0 on success. \* -EINVAL if *key* is unknown, is not a connection parameter, or if *value* is invalid for the parameter type. \* -ENOMEM if memory allocation fails.