IB/core: Add user MR re-registration support

Memory re-registration is a feature that enables changing the
attributes of a memory region registered by user-space, including PD,
translation (address and length) and access flags.

Add the required support in uverbs and the kernel verbs API.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Matan Barak 2014-07-31 11:01:28 +03:00 • committed by Roland Dreier
commit 7e6edb9b2e
5 changed files with 120 additions and 1 deletions