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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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include/linux/mlx4/device.h
+2 -2
View File
@@ -123,8 +123,8 @@ enum {
MLX4_OPCODE_RDMA_READ = 0x10,
MLX4_OPCODE_ATOMIC_CS = 0x11,
MLX4_OPCODE_ATOMIC_FA = 0x12,
MLX4_OPCODE_ATOMIC_MASK_CS = 0x14,
MLX4_OPCODE_ATOMIC_MASK_FA = 0x15,
MLX4_OPCODE_MASKED_ATOMIC_CS = 0x14,
MLX4_OPCODE_MASKED_ATOMIC_FA = 0x15,
MLX4_OPCODE_BIND_MW = 0x18,
MLX4_OPCODE_FMR = 0x19,
MLX4_OPCODE_LOCAL_INVAL = 0x1b,
include/linux/mlx4/qp.h
+7
View File
@@ -285,6 +285,13 @@ struct mlx4_wqe_atomic_seg {
__be64 compare;
};
struct mlx4_wqe_masked_atomic_seg {
__be64 swap_add;
__be64 compare;
__be64 swap_add_mask;
__be64 compare_mask;
};
struct mlx4_wqe_data_seg {
__be32 byte_count;
__be32 lkey;