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IB/mlx4: Add support for masked atomic operations

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Add support for masked atomic operations (masked compare and swap,
masked fetch and add).

Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Vladimir Sokolovsky
2010-04-14 17:23:39 +03:00
committed by Roland Dreier
parent 5e80ba8ff0
commit 6fa8f71984
5 changed files with 57 additions and 13 deletions
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drivers/infiniband/hw/mlx4/main.c
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@@ -139,6 +139,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
props->masked_atomic_cap = IB_ATOMIC_HCA;
props->max_pkeys = dev->dev->caps.pkey_table_len[1];
props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;