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authorMatan Barak <matanb@mellanox.com>2014-07-31 11:01:28 +0300
committerRoland Dreier <roland@purestorage.com>2014-08-01 15:11:13 -0700
commit7e6edb9b2e0bcfb2a588db390c44d120213c57ae (patch)
tree9a8699e7cf72bc2c12574e3a2c46ddf10c542cd2 /include/uapi/rdma
parent64aa90f26c06e1cb2aacfb98a7d0eccfbd6c1a91 (diff)
downloadblackbird-op-linux-7e6edb9b2e0bcfb2a588db390c44d120213c57ae.tar.gz
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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/rdma')
-rw-r--r--include/uapi/rdma/ib_user_verbs.h16
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;
};
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