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IB/mlx5: Advertise atomic capabilities in query device

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In order to ensure IB spec atomic correctness in atomic operations, if
HW is configured to host endianness, advertise IB_ATOMIC_HCA.  if not,
advertise IB_ATOMIC_NONE.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Eran Ben Elisha
2015-12-14 16:34:10 +02:00
committed by Doug Ledford
parent f91e6d8941
commit da7525d2a9
2 changed files with 32 additions and 1 deletions
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5
include/linux/mlx5/driver.h
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@@ -115,6 +115,11 @@ enum {
MLX5_REG_HOST_ENDIANNESS = 0x7004,
};
enum {
MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
};
enum mlx5_page_fault_resume_flags {
MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,