---
name: "ibv_devinfo"
section: "1"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/ibv_devinfo"
---

# ibv\_devinfo(1)

query RDMA devices

## NAME

ibv\_devinfo - query RDMA devices

## SYNOPSIS

**ibv\_devinfo** \[-d device\] \[-i port\] \[-l\] \[-v\]

## DESCRIPTION

Print information about RDMA devices available for use from userspace.

## OPTIONS

- **-d**, **--ib-dev**=*DEVICE*

  use IB device *DEVICE* (default first device found)

  **-i**, **--ib-port**=*PORT* query port *PORT* (default all ports)

  **-l**, **--list** only list names of RDMA devices

  **-v**, **--verbose** print all available information about RDMA devices

## SEE ALSO

[**ibv\_devices**(1)](/ibv_devices/1.md)

## AUTHORS

- Dotan Barak

  \<*dotanba@gmail.com*\>

- Roland Dreier

  \<*rolandd@cisco.com*\>