diff options
| author | Artemy Kovalyov <artemyko@mellanox.com> | 2017-01-02 11:37:47 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-02 15:51:20 -0500 |
| commit | 17d2f88f92ce39b348f125f6b2e6eeb6b0906ac7 (patch) | |
| tree | 8e448bbcca569206e144c6b312d5f6bc2bd365b8 /include/linux/mlx5 | |
| parent | d9aaed838765e28234cb700c7d1ac975cadf28c9 (diff) | |
IB/mlx5: Add ODP atomics support
Handle ODP atomic operations. When initiator of RDMA atomic
operation use ODP MR to provide source data handle pagefault properly.
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mlx5')
| -rw-r--r-- | include/linux/mlx5/mlx5_ifc.h | 2 | ||||
| -rw-r--r-- | include/linux/mlx5/qp.h | 18 |
2 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 608dc988b3d6..15f896781966 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -328,7 +328,7 @@ struct mlx5_ifc_odp_per_transport_service_cap_bits { u8 receive[0x1]; u8 write[0x1]; u8 read[0x1]; - u8 reserved_at_4[0x1]; + u8 atomic[0x1]; u8 srq_receive[0x1]; u8 reserved_at_6[0x1a]; }; diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 9ed775f5cb66..219c699c17b7 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -212,6 +212,7 @@ struct mlx5_wqe_ctrl_seg { #define MLX5_WQE_CTRL_OPCODE_MASK 0xff #define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00 #define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8 +#define MLX5_WQE_AV_EXT 0x80000000 enum { MLX5_ETH_WQE_L3_INNER_CSUM = 1 << 4, @@ -242,6 +243,23 @@ struct mlx5_wqe_masked_atomic_seg { __be64 compare_mask; }; +struct mlx5_base_av { + union { + struct { + __be32 qkey; + __be32 reserved; + } qkey; + __be64 dc_key; + } key; + __be32 dqp_dct; + u8 stat_rate_sl; + u8 fl_mlid; + union { + __be16 rlid; + __be16 udp_sport; + }; +}; + struct mlx5_av { union { struct { |