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| author | Haggai Eran <haggaie@mellanox.com> | 2016-02-29 15:45:03 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-01 11:02:05 -0500 |
| commit | b11a4f9cde1c06e0073662882b60c1fb95a1d597 (patch) | |
| tree | 37802697d71267d2ba769d1b89f36ba2633aaa5b /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | c7ce833b364bc19ef51b3c973c94a863e4af0e06 (diff) | |
| download | op-kernel-dev-b11a4f9cde1c06e0073662882b60c1fb95a1d597.zip op-kernel-dev-b11a4f9cde1c06e0073662882b60c1fb95a1d597.tar.gz | |
IB/mlx5: Add support for setting source QP number
In order to create multiple GSI QPs, we need to set the source QP number to
one on all these QPs. Add the necessary definitions and infrastructure to
do that.
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 14396b0..32699f9 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -165,6 +165,18 @@ struct mlx5_ib_flow_db { #define MLX5_IB_QPT_REG_UMR IB_QPT_RESERVED1 #define MLX5_IB_WR_UMR IB_WR_RESERVED1 +/* Private QP creation flags to be passed in ib_qp_init_attr.create_flags. + * + * These flags are intended for internal use by the mlx5_ib driver, and they + * rely on the range reserved for that use in the ib_qp_create_flags enum. + */ + +/* Create a UD QP whose source QP number is 1 */ +static inline enum ib_qp_create_flags mlx5_ib_create_qp_sqpn_qp1(void) +{ + return IB_QP_CREATE_RESERVED_START; +} + struct wr_list { u16 opcode; u16 next; @@ -331,6 +343,8 @@ enum mlx5_ib_qp_flags { MLX5_IB_QP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND, MLX5_IB_QP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV, MLX5_IB_QP_SIGNATURE_HANDLING = 1 << 5, + /* QP uses 1 as its source QP number */ + MLX5_IB_QP_SQPN_QP1 = 1 << 6, }; struct mlx5_umr_wr { |
