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NVME-OCP-DEVICE-C(1) NVMe Manual NVME-OCP-DEVICE-C(1)

NAME

nvme-ocp-device-capability-log - Retrieves OCP Device Capability Log Page

SYNOPSIS

nvme [<global-options>] ocp device-capability-log <device>

DESCRIPTION

For the NVMe device given, retrieves OCP Device Capability Log Page

The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0) or block device (ex: /dev/nvme0n1).

This will only work on OCP compliant devices supporting this feature. Results for any other device are undefined.

On success it returns 0, error code otherwise.

OPTIONS

GLOBAL OPTIONS

The following options are defined at the top-level nvme command and are available to this subcommand:

--dry-run

Print the command that would be executed, but do not actually execute it.

--no-ioctl-probing

Disable probing for 64-bit IOCTL support.

--no-retries

Disable retry logic on transient errors.

-o <fmt>, --output-format=<fmt>

Set the reporting format to normal, tabular, 'json, or binary. Only one output format may be used at a time.

--output-format-version=<version>

Select the output format version. Version 1 uses the original field naming, while version 2 (default) provides more consistent and script-friendly field names.

--timeout=<ms>

Set the timeout for the command in milliseconds.

-v, --verbose

Increase the level of detail in the output. May be specified multiple times to further increase verbosity.

These options can also be set as machine-wide defaults in nvme-cli.conf(5). A command-line flag always overrides the file.

EXAMPLES

•Has the program issue a device-capability-log command to retrieve the 0xC4 log page. 

# nvme ocp device-capability-log /dev/nvme0 -o normal

NVME

Part of the nvme-user suite.

07/31/2026 NVMe