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IB/mlx4: Support memory window binding

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* Implement memory windows binding in mlx4_ib_post_send.

* Implement mlx4_ib_bind_mw by deferring to mlx4_ib_post_send.

* Rename MLX4_WQE_FMR_PERM_* flags to MLX4_WQE_FMR_AND_BIND_PERM_*,
  indicating that they are used both for fast registration work
  requests, and for memory window bind work requests.

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Shani Michaeli <shanim@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Shani Michaeli
2013-02-06 16:19:15 +00:00
committed by Roland Dreier
parent 804d6a89a5
commit 6ff63e1940
4 changed files with 64 additions and 6 deletions
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11
include/linux/mlx4/qp.h
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@@ -265,6 +265,11 @@ struct mlx4_wqe_lso_seg {
__be32 header[0];
};
enum mlx4_wqe_bind_seg_flags2 {
MLX4_WQE_BIND_ZERO_BASED = (1 << 30),
MLX4_WQE_BIND_TYPE_2 = (1 << 31),
};
struct mlx4_wqe_bind_seg {
__be32 flags1;
__be32 flags2;
@@ -277,9 +282,9 @@ struct mlx4_wqe_bind_seg {
enum {
MLX4_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
MLX4_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
MLX4_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_PERM_ATOMIC = 1 << 31
MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_AND_BIND_PERM_ATOMIC = 1 << 31
};
struct mlx4_wqe_fmr_seg {