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| author | Matan Barak <matanb@mellanox.com> | 2014-07-31 11:01:28 +0300 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-08-01 15:11:13 -0700 |
| commit | 7e6edb9b2e0bcfb2a588db390c44d120213c57ae (patch) | |
| tree | 9a8699e7cf72bc2c12574e3a2c46ddf10c542cd2 /include/uapi | |
| parent | 64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff) | |
| download | linux-7e6edb9b2e0bcfb2a588db390c44d120213c57ae.tar.gz linux-7e6edb9b2e0bcfb2a588db390c44d120213c57ae.tar.bz2 linux-7e6edb9b2e0bcfb2a588db390c44d120213c57ae.zip | |
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>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/rdma/ib_user_verbs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index cbfdd4ca9510..26daf55ff76e 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -276,6 +276,22 @@ struct ib_uverbs_reg_mr_resp { __u32 rkey; }; +struct ib_uverbs_rereg_mr { + __u64 response; + __u32 mr_handle; + __u32 flags; + __u64 start; + __u64 length; + __u64 hca_va; + __u32 pd_handle; + __u32 access_flags; +}; + +struct ib_uverbs_rereg_mr_resp { + __u32 lkey; + __u32 rkey; +}; + struct ib_uverbs_dereg_mr { __u32 mr_handle; }; |