---
name: "nvme_identify_ns_csi"
section: "2"
platform: "linux"
package: "libnvme-dev"
version: "1.13-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_identify_ns_csi"
---

# nvme\_identify\_ns\_csi(2)

I/O command set specific identify namespace data

## NAME

nvme\_identify\_ns\_csi - I/O command set specific identify namespace data

## SYNOPSIS

**int nvme\_identify\_ns\_csi** **(int fd** *,* **\_\_u32 nsid** *,* **\_\_u8 uuidx** *,* **enum nvme\_csi csi** *,* **void \*data** *);*

## ARGUMENTS

- fd

  File descriptor of nvme device

- nsid

  Namespace to identify

- uuidx

  UUID Index for differentiating vendor specific encoding

- csi

  Command Set Identifier

- data

  User space destination address to transfer the data

## DESCRIPTION

An I/O Command Set specific Identify Namespace data structure is returned for the namespace specified in *nsid*.

## RETURN

The nvme command status if a response was received (see *enum nvme\_status\_field*) or -1 with errno set otherwise.