IB/mlx4: Support memory window binding
* 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>
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 6c8a68c..67f46ad 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -265,6 +265,11 @@
__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 @@
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 {