---
name: "nvme_id_ctrl_nvm_kpiocap-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_ctrl_nvm_kpiocap-libnvme3"
---

# nvme\_id\_ctrl\_nvm\_kpiocap-libnvme3(2)

Key Per I/O Capabilities

## NAME

enum nvme\_id\_ctrl\_nvm\_kpiocap - Key Per I/O Capabilities

## SYNOPSIS

enum nvme\_id\_ctrl\_nvm\_kpiocap {\
     **NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOS\_SHIFT** , \
\
     **NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOS\_MASK** , \
\
     **NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOSC\_SHIFT** , \
\
     **NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOSC\_MASK**

};

## Constants

- NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOS\_SHIFT

  Shift amount to get Key Per I/O Supported (KPIOS)

- NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOS\_MASK

  Mask to get KPIOS

- NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOSC\_SHIFT

  Shift amount to get Key Per I/O Scope (KPIOSC)

- NVME\_ID\_CTRL\_NVM\_KPIOCAP\_KPIOSC\_MASK

  Mask to get KPIOSC