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IB/mlx5: Expose support for signature MR feature
Currently support only T10-DIF types of signature handover operations (types 1|2|3). Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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1 changed files with 9 additions and 0 deletions
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@ -273,6 +273,15 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
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if (flags & MLX5_DEV_CAP_FLAG_XRC)
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props->device_cap_flags |= IB_DEVICE_XRC;
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props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
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if (flags & MLX5_DEV_CAP_FLAG_SIG_HAND_OVER) {
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props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER;
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/* At this stage no support for signature handover */
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props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 |
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IB_PROT_T10DIF_TYPE_2 |
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IB_PROT_T10DIF_TYPE_3;
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props->sig_guard_cap = IB_GUARD_T10DIF_CRC |
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IB_GUARD_T10DIF_CSUM;
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}
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props->vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) &
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0xffffff;
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