RDMA/mlx5: ConnectX-7 new capabilities to set relaxed ordering by UMR
authorMeir Lichtinger <meirl@mellanox.com>
Thu, 4 Jun 2020 05:49:38 +0000 (08:49 +0300)
committerLeon Romanovsky <leonro@mellanox.com>
Fri, 24 Jul 2020 19:28:29 +0000 (22:28 +0300)
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>
include/linux/mlx5/mlx5_ifc.h

index 435ab47..0257329 100644 (file)
@@ -1240,7 +1240,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 
        u8         max_sgl_for_optimized_performance[0x8];
        u8         log_max_cq_sz[0x8];
-       u8         reserved_at_d0[0x9];
+       u8         relaxed_ordering_write_umr[0x1];
+       u8         relaxed_ordering_read_umr[0x1];
+       u8         reserved_at_d2[0x7];
        u8         virtio_net_device_emualtion_manager[0x1];
        u8         virtio_blk_device_emualtion_manager[0x1];
        u8         log_max_cq[0x5];