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authorMax Gurtovoy <maxg@mellanox.com>2017-05-28 10:53:10 +0300
committerDoug Ledford <dledford@redhat.com>2017-06-02 00:05:04 +0300
commit1410a90ae449061b7e1ae19d275148f36948801b (patch)
treec22be91288695b39252dbc938be7776994cab58a /include/linux
parenteed7624552ca55c346a4e9ccaa9ab0723841aee6 (diff)
downloadlinux-1410a90ae449061b7e1ae19d275148f36948801b.tar.xz
net/mlx5: Define interface bits for fencing UMR wqe
HW can implement UMR wqe re-transmission in various ways. Thus, add HCA cap to distinguish the needed fence for UMR to make sure that the wqe wouldn't fail on mkey checks. Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Acked-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mlx5/mlx5_ifc.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 32de0724b400..edafedb7b509 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -766,6 +766,12 @@ enum {
MLX5_CAP_PORT_TYPE_ETH = 0x1,
};
+enum {
+ MLX5_CAP_UMR_FENCE_STRONG = 0x0,
+ MLX5_CAP_UMR_FENCE_SMALL = 0x1,
+ MLX5_CAP_UMR_FENCE_NONE = 0x2,
+};
+
struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_0[0x80];
@@ -875,7 +881,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_202[0x1];
u8 ipoib_enhanced_offloads[0x1];
u8 ipoib_basic_offloads[0x1];
- u8 reserved_at_205[0xa];
+ u8 reserved_at_205[0x5];
+ u8 umr_fence[0x2];
+ u8 reserved_at_20c[0x3];
u8 drain_sigerr[0x1];
u8 cmdif_checksum[0x2];
u8 sigerr_cqe[0x1];