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[RFC,rdma-next,02/10] RDMA: Allow registering MR with flush access flags

Message ID 20211228080717.10666-3-lizhijian@cn.fujitsu.com (mailing list archive)
State Superseded
Headers show
Series RDMA/rxe: Add RDMA FLUSH operation | expand

Commit Message

Li Zhijian Dec. 28, 2021, 8:07 a.m. UTC 
Users can use ibv_reg_mr(3) to register flush access flags.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
 include/rdma/ib_verbs.h                 | 6 +++++-
 include/uapi/rdma/ib_user_ioctl_verbs.h | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 822ebb3425dc..f04d66539879 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1444,10 +1444,14 @@  enum ib_access_flags {
 	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_FLUSH_GLOBAL_VISIBILITY = IB_UVERBS_ACCESS_FLUSH_GLOBAL_VISIBLITY,
+	IB_ACCESS_FLUSH_PERSISTENT = IB_UVERBS_ACCESS_FLUSH_PERSISTENT,
 
+	IB_ACCESS_FLUSH = IB_ACCESS_FLUSH_GLOBAL_VISIBILITY |
+			  IB_ACCESS_FLUSH_PERSISTENT,
 	IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE,
 	IB_ACCESS_SUPPORTED =
-		((IB_ACCESS_HUGETLB << 1) - 1) | IB_ACCESS_OPTIONAL,
+		((IB_ACCESS_FLUSH_PERSISTENT << 1) - 1) | IB_ACCESS_OPTIONAL,
 };
 
 /*
diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h
index 3072e5d6b692..4763d3e3ea16 100644
--- a/include/uapi/rdma/ib_user_ioctl_verbs.h
+++ b/include/uapi/rdma/ib_user_ioctl_verbs.h
@@ -57,6 +57,8 @@  enum ib_uverbs_access_flags {
 	IB_UVERBS_ACCESS_ZERO_BASED = 1 << 5,
 	IB_UVERBS_ACCESS_ON_DEMAND = 1 << 6,
 	IB_UVERBS_ACCESS_HUGETLB = 1 << 7,
+	IB_UVERBS_ACCESS_FLUSH_GLOBAL_VISIBLITY = 1 << 8,
+	IB_UVERBS_ACCESS_FLUSH_PERSISTENT = 1 << 9,
 
 	IB_UVERBS_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_OPTIONAL_FIRST,
 	IB_UVERBS_ACCESS_OPTIONAL_RANGE =