net/mlx5: Add DCT command interface

Add a missing command interface to work with a DCT. It includes: creating,
destroying and get events for.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 52b8ea423dd2..9aee835b7393 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -286,6 +286,7 @@ enum {
         MLX5_EVENT_QUEUE_TYPE_QP = 0,
         MLX5_EVENT_QUEUE_TYPE_RQ = 1,
         MLX5_EVENT_QUEUE_TYPE_SQ = 2,
+        MLX5_EVENT_QUEUE_TYPE_DCT = 6,
 };
 
 enum mlx5_event {
@@ -321,6 +322,8 @@ enum mlx5_event {
         MLX5_EVENT_TYPE_PAGE_FAULT         = 0xc,
         MLX5_EVENT_TYPE_NIC_VPORT_CHANGE   = 0xd,
 
+        MLX5_EVENT_TYPE_DCT_DRAINED        = 0x1c,
+
         MLX5_EVENT_TYPE_FPGA_ERROR         = 0x20,
 };
 
@@ -613,6 +616,11 @@ struct mlx5_eqe_pps {
         u8              rsvd2[12];
 } __packed;
 
+struct mlx5_eqe_dct {
+        __be32  reserved[6];
+        __be32  dctn;
+};
+
 union ev_data {
         __be32                          raw[7];
         struct mlx5_eqe_cmd             cmd;
@@ -628,6 +636,7 @@ union ev_data {
         struct mlx5_eqe_vport_change    vport_change;
         struct mlx5_eqe_port_module     port_module;
         struct mlx5_eqe_pps             pps;
+        struct mlx5_eqe_dct             dct;
 } __packed;
 
 struct mlx5_eqe {