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[mlx5-next,1/3] RDMA/mlx5: ConnectX-7 new capabilities to set relaxed ordering by UMR

Message ID 20200716105248.1423452-2-leon@kernel.org
State Awaiting Upstream
Delegated to: David Miller
Headers show
Series Create UMR with relaxed ordering | expand

Commit Message

Leon Romanovsky July 16, 2020, 10:52 a.m. UTC 
From: Meir Lichtinger <meirl@mellanox.com>

Up to ConnectX-7 setting mkey relaxed ordering read/write attributes
by UMR is not supported. ConnectX-7 supports this option, which is
indicated by two new HCA capabilities - relaxed_ordering_write_umr
and relaxed_ordering_read_umr.

Signed-off-by: Meir Lichtinger <meirl@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
Not based on latest mlx5-next.
---
 include/linux/mlx5/mlx5_ifc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--
2.26.2
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Patch

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index d22b3ff99b7a..2999a026938a 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1216,7 +1216,9 @@  struct mlx5_ifc_cmd_hca_cap_bits {

 	u8         max_sgl_for_optimized_performance[0x8];
 	u8         log_max_cq_sz[0x8];
-	u8         reserved_at_d0[0xb];
+	u8         relaxed_ordering_write_umr[0x1];
+	u8         relaxed_ordering_read_umr[0x1];
+	u8         reserved_at_d2[0x9];
 	u8         log_max_cq[0x5];

 	u8         log_max_eq_sz[0x8];