Hi Doug, Sending V3 to address your note to return an informative error code when ibv_rereg_mr has failed. This will let an application to clearly know what is the state of both old and new MRs. Man page was updated accordingly. Yishai Details: Memory re-registration is a feature that enables one to change the attributes of a memory region, including PD, translation (address and length) and access flags. The first patch changes the API between libibverbs and the provider's library. This change is safe as there's no ibv_rereg_mr verb exposed to the user and thus no reason for a vendor to implement or use this function. The second patch adds the actual memory region re-registration support. Changes from V2: #patch #2: - Return an informative error code as part of ibv_rereg_mr. - Update man page to match above. Changes from V1: #patch #2: - Fix man page issues. - Fix mismatch in the API around the 'access' field. - Improve input parameters validation. - Drop some un-relevant comment. Changes from V0: Split to 2 patches: libibverbs <--> provider's library API change Add MR re-registration support Matan Barak (1): Change rereg_mr API between libibverbs and the provider's library Yishai Hadas (1): Add MR re-registeration Makefile.am | 3 +- include/infiniband/driver.h | 5 +++ include/infiniband/kern-abi.h | 20 ++++++++++++ include/infiniband/verbs.h | 25 ++++++++++++-- man/ibv_rereg_mr.3 | 76 +++++++++++++++++++++++++++++++++++++++++++ src/cmd.c | 29 +++++++++++++++++ src/libibverbs.map | 1 + src/verbs.c | 62 +++++++++++++++++++++++++++++++++++ 8 files changed, 218 insertions(+), 3 deletions(-) create mode 100644 man/ibv_rereg_mr.3 -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
