User Manual

InfiniBand Fabric UtilitiesRev 2.2-1.0.1
Mellanox Technologies
236
9.4.10 ibv_devices
Lists InfiniBand devices available for use from userspace, including node GUIDs.
Synopsis
ibv_devices
Examples
1. List the names of all available InfiniBand devices.
> ibv_devices
device node GUID
------ ----------------
mthca0 0002c9000101d150
mlx4_0 0000000000073895
9.4.11 ibv_devinfo
Queries InfiniBand devices and prints about them information that is available for use from user-
space.
Synopsis
ibv_devinfo [-d <device>] [-i <port>] [-l] [-v]
Output Files
Table 37 lists the various flags of the command.
Table 37 - ibv_devinfo Flags and Options
Flag
Optional /
Mandatory
Default
(If Not
Specified)
Description
-d <device>
--ib-dev=<device>
Optional First found
device
Run the command for the provided IB
device ‘device’
-i <port>
--ib-port=<port>
Optional All device
ports
Query the specified device port <port>
-l
--list
Optional Inactive Only list the names of InfiniBand
devices
-v
--verbose
Optional Inactive Print all available information about the
InfiniBand device(s)
Examples
1. List the names of all available InfiniBand devices.
> ibv_devinfo -l
2 HCAs found: