| --- |
| date: ' 2020-04-22' |
| footer: libibverbs |
| header: "Libibverbs Programmer's Manual" |
| layout: page |
| license: 'Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md' |
| section: 3 |
| title: IBV_GET_DEVICE_INDEX |
| --- |
| |
| # NAME |
| |
| ibv_get_device_index - get an RDMA device index |
| |
| # SYNOPSIS |
| |
| ```c |
| #include <infiniband/verbs.h> |
| |
| int ibv_get_device_index(struct ibv_device *device); |
| ``` |
| |
| # DESCRIPTION |
| |
| **ibv_get_device_index()** returns stable IB device index as it is assigned by the kernel. |
| |
| # RETURN VALUE |
| |
| **ibv_get_device_index()** returns an index, or -1 if the kernel doesn't support device indexes. |
| |
| # SEE ALSO |
| |
| **ibv_get_device_name**(3), |
| **ibv_get_device_guid**(3), |
| **ibv_get_device_list**(3), |
| **ibv_open_device**(3) |
| |
| # AUTHOR |
| |
| Leon Romanovsky <leonro@mellanox.com> |