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

# nvme\_identify\_iocs(2)

I/O command set data structure

## NAME

nvme\_identify\_iocs - I/O command set data structure

## SYNOPSIS

**int nvme\_identify\_iocs** **(int fd** *,* **\_\_u16 cntlid** *,* **struct nvme\_id\_iocs \*iocs** *);*

## ARGUMENTS

- fd

  File descriptor of nvme device

- cntlid

  Controller ID

- iocs

  User space destination address to transfer the data

## DESCRIPTION

Retrieves list of the controller's supported io command set vectors. See *struct nvme\_id\_iocs*.

## RETURN

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