net/mlx5: Set uid as part of DCT commands

Set uid as part of DCT commands so that the firmware can manage the
DCT object in a secured way.

That will enable using a DCT that was created by verbs application
to be used by the DEVX flow in case the uid is equal.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
index d9b1213..91b8139 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
@@ -211,6 +211,7 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev,
        }
 
        qp->qpn = MLX5_GET(create_dct_out, out, dctn);
+       qp->uid = MLX5_GET(create_dct_in, in, uid);
        err = create_resource_common(dev, qp, MLX5_RES_DCT);
        if (err)
                goto err_cmd;
@@ -219,6 +220,7 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev,
 err_cmd:
        MLX5_SET(destroy_dct_in, din, opcode, MLX5_CMD_OP_DESTROY_DCT);
        MLX5_SET(destroy_dct_in, din, dctn, qp->qpn);
+       MLX5_SET(destroy_dct_in, din, uid, qp->uid);
        mlx5_cmd_exec(dev, (void *)&in, sizeof(din),
                      (void *)&out, sizeof(dout));
        return err;
@@ -277,6 +279,7 @@ static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
 
        MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);
        MLX5_SET(drain_dct_in, in, dctn, qp->qpn);
+       MLX5_SET(drain_dct_in, in, uid, qp->uid);
        return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
                             (void *)&out, sizeof(out));
 }
@@ -303,6 +306,7 @@ destroy:
        destroy_resource_common(dev, &dct->mqp);
        MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);
        MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);
+       MLX5_SET(destroy_dct_in, in, uid, qp->uid);
        err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
                            (void *)&out, sizeof(out));
        return err;

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 85f1237..62c0592 100644 (file)
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -5918,7 +5918,7 @@ struct mlx5_ifc_drain_dct_out_bits {
 
 struct mlx5_ifc_drain_dct_in_bits {
        u8         opcode[0x10];
-       u8         reserved_at_10[0x10];
+       u8         uid[0x10];
 
        u8         reserved_at_20[0x10];
        u8         op_mod[0x10];
@@ -6382,7 +6382,7 @@ struct mlx5_ifc_destroy_dct_out_bits {
 
 struct mlx5_ifc_destroy_dct_in_bits {
        u8         opcode[0x10];
-       u8         reserved_at_10[0x10];
+       u8         uid[0x10];
 
        u8         reserved_at_20[0x10];
        u8         op_mod[0x10];
@@ -7138,7 +7138,7 @@ struct mlx5_ifc_create_dct_out_bits {
 
 struct mlx5_ifc_create_dct_in_bits {
        u8         opcode[0x10];
-       u8         reserved_at_10[0x10];
+       u8         uid[0x10];
 
        u8         reserved_at_20[0x10];
        u8         op_mod[0x10];