ibv_inc_rkey man page

ibv_inc_rkey — creates a new rkey from the given one

Synopsis

#include <infiniband/verbs.h>

uint32_t ibv_inc_rkey(uint32_t rkey);

Description

ibv_inc_rkey() Increases the 8 LSB of rkey and returns the new value.

Return Value

ibv_inc_rkey() returns the new rkey.

Notes

The verb generates a new rkey that is different from the previous one on its tag part but has the same index (bits 0xffffff00). A use case for this verb can be to create a new rkey from a Memory window's rkey when binding it to a Memory region.

Authors

Majd Dibbiny <majd@mellanox.com>

Yishai Hadas <yishaih@mellanox.com>

Info

2015-01-29 libibverbs Libibverbs Programmer's Manual