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net/mlx5: Define interface bits for fencing UMR wqe

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commit 1410a90ae449061b7e1ae19d275148f36948801b upstream.

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>
Cc: Marta Rybczynska <mrybczyn@kalray.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Max Gurtovoy 2017-05-28 10:53:10 +03:00 committed by Greg Kroah-Hartman
parent 56bc086358
commit 20e6f5bdf5
1 changed files with 9 additions and 1 deletions
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10
include/linux/mlx5/mlx5_ifc.h
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@ -737,6 +737,12 @@ 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];
@ -838,7 +844,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 striding_rq[0x1];
u8 reserved_at_201[0x2];
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];