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authorMichael Guralnik <michaelgur@mellanox.com>2020-01-08 20:05:38 +0200
committerJason Gunthorpe <jgg@mellanox.com>2020-01-16 15:55:46 -0400
commit2233c6609c11146ed1a26eec2e4335131077a608 (patch)
treeb0a5ada6488e1dd8dccb74626b400c54d5306c06 /include/rdma
parentRDMA/efa: Allow passing of optional access flags for MR registration (diff)
downloadlinux-dev-2233c6609c11146ed1a26eec2e4335131077a608.tar.xz
linux-dev-2233c6609c11146ed1a26eec2e4335131077a608.zip
RDMA/uverbs: Add new relaxed ordering memory region access flag
Add a new relaxed ordering access flag for memory regions. Using memory regions with relaxed ordeing set can enhance performance. This access flag is handled in a best-effort manner, drivers should ignore if they don't support setting relaxed ordering. Link: https://lore.kernel.org/r/1578506740-22188-9-git-send-email-yishaih@mellanox.com Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Signed-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index ed6cf11612b3..6506df9f31ae 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1418,6 +1418,7 @@ enum ib_access_flags {
IB_ZERO_BASED = IB_UVERBS_ACCESS_ZERO_BASED,
IB_ACCESS_ON_DEMAND = IB_UVERBS_ACCESS_ON_DEMAND,
IB_ACCESS_HUGETLB = IB_UVERBS_ACCESS_HUGETLB,
+ IB_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_RELAXED_ORDERING,
IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE,
IB_ACCESS_SUPPORTED =