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authorEli Cohen <eli@mellanox.co.il>2011-03-22 22:38:41 +0000
committerDavid S. Miller <davem@davemloft.net>2011-03-23 12:24:23 -0700
commitc1b43dca137f2154845122417fba86d4bae67182 (patch)
tree36237582bfd5baf0e9a3ccea5377b949be289440 /include/linux/mlx4/qp.h
parent1679200f91da6a054b06954c9bd3eeed29b6731f (diff)
mlx4: Add blue flame support for kernel consumers
Using blue flame can improve latency by allowing the HW to more efficiently access the WQE. This patch presents two functions that are used to allocate or release HW resources for using blue flame; the caller need to supply a struct mlx4_bf object when allocating resources. Consumers that make use of this API should post doorbells to the UAR object pointed by the initialized struct mlx4_bf; Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mlx4/qp.h')
-rw-r--r--include/linux/mlx4/qp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 0eeb2a1a867c..9e9eb21056ca 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -303,6 +303,7 @@ struct mlx4_wqe_data_seg {
enum {
MLX4_INLINE_ALIGN = 64,
+ MLX4_INLINE_SEG = 1 << 31,
};
struct mlx4_wqe_inline_seg {