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

# nvme\_registered\_ctrl\_ext(2)

Registered Controller Extended Data Structure

## NAME

struct nvme\_registered\_ctrl\_ext - Registered Controller Extended Data Structure

## SYNOPSIS

struct nvme\_registered\_ctrl\_ext {\
     **\_\_le16 cntlid;**\
     **\_\_u8 rcsts;**\
     **\_\_u8 rsvd3\[5\];**\
     **\_\_le64 rkey;**\
     **\_\_u8 hostid\[16\];**\
     **\_\_u8 rsvd32\[32\];**\
 };\

## Members

- cntlid

  Controller ID

- rcsts

  Reservation Status

- rsvd3

  Reserved

- rkey

  Reservation Key

- hostid

  Host Identifier

- rsvd32

  Reserved