---
name: "nvme_id_ns_kpios-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/nvme_id_ns_kpios-libnvme3"
---

# nvme\_id\_ns\_kpios-libnvme3(2)

Key Per I/O Status

## NAME

enum nvme\_id\_ns\_kpios - Key Per I/O Status

## SYNOPSIS

enum nvme\_id\_ns\_kpios {\
     **NVME\_NS\_KPIOS\_KPIOENS\_SHIFT** , \
\
     **NVME\_NS\_KPIOS\_KPIOENS\_MASK** , \
\
     **NVME\_NS\_KPIOS\_KPIOSNS\_SHIFT** , \
\
     **NVME\_NS\_KPIOS\_KPIOSNS\_MASK**

};

## Constants

- NVME\_NS\_KPIOS\_KPIOENS\_SHIFT

  Shift amount to get Key Per I/O Enabled in Namespace from the *struct nvme\_id\_ns*.kpios field.

- NVME\_NS\_KPIOS\_KPIOENS\_MASK

  Mask to get Key Per I/O Enabled in Namespace from the *struct nvme\_id\_ns*.kpios field.

- NVME\_NS\_KPIOS\_KPIOSNS\_SHIFT

  Shift amount to get Key Per I/O Supported in Namespace from the *struct nvme\_id\_ns*.kpios field.

- NVME\_NS\_KPIOS\_KPIOSNS\_MASK

  Mask to get Key Per I/O Supported in Namespace from the *struct nvme\_id\_ns*.kpios field.