net/mlx5_core: Modify enable/disable hca functions

Modify these functions to have func_id argument to state which device we
are referring to. This is done as a preparation for SRIOV support where
a PF driver needs to control its virtual functions.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 4ac8d4cc49737da1d19707203aa479b832c4190a..f2e64dc1a44366c8d8051b17844f3fa2e0166650 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -462,42 +462,39 @@ static int set_hca_ctrl(struct mlx5_core_dev *dev)
        return err;
 }
 
-static int mlx5_core_enable_hca(struct mlx5_core_dev *dev)
+int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id)
 {
+       u32 out[MLX5_ST_SZ_DW(enable_hca_out)];
+       u32 in[MLX5_ST_SZ_DW(enable_hca_in)];
        int err;
-       struct mlx5_enable_hca_mbox_in in;
-       struct mlx5_enable_hca_mbox_out out;
 
-       memset(&in, 0, sizeof(in));
-       memset(&out, 0, sizeof(out));
-       in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA);
+       memset(in, 0, sizeof(in));
+       MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA);
+       MLX5_SET(enable_hca_in, in, function_id, func_id);
+       memset(out, 0, sizeof(out));
+
        err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
        if (err)
                return err;
 
-       if (out.hdr.status)
-               return mlx5_cmd_status_to_err(&out.hdr);
-
-       return 0;
+       return mlx5_cmd_status_to_err_v2(out);
 }
 
-static int mlx5_core_disable_hca(struct mlx5_core_dev *dev)
+int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id)
 {
+       u32 out[MLX5_ST_SZ_DW(disable_hca_out)];
+       u32 in[MLX5_ST_SZ_DW(disable_hca_in)];
        int err;
-       struct mlx5_disable_hca_mbox_in in;
-       struct mlx5_disable_hca_mbox_out out;
 
-       memset(&in, 0, sizeof(in));
-       memset(&out, 0, sizeof(out));
-       in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA);
-       err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+       memset(in, 0, sizeof(in));
+       MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA);
+       MLX5_SET(disable_hca_in, in, function_id, func_id);
+       memset(out, 0, sizeof(out));
+       err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
        if (err)
                return err;
 
-       if (out.hdr.status)
-               return mlx5_cmd_status_to_err(&out.hdr);
-
-       return 0;
+       return mlx5_cmd_status_to_err_v2(out);
 }
 
 static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i)
@@ -942,7 +939,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 
        mlx5_pagealloc_init(dev);
 
-       err = mlx5_core_enable_hca(dev);
+       err = mlx5_core_enable_hca(dev, 0);
        if (err) {
                dev_err(&pdev->dev, "enable hca failed\n");
                goto err_pagealloc_cleanup;
@@ -1106,7 +1103,7 @@ reclaim_boot_pages:
        mlx5_reclaim_startup_pages(dev);
 
 err_disable_hca:
-       mlx5_core_disable_hca(dev);
+       mlx5_core_disable_hca(dev, 0);
 
 err_pagealloc_cleanup:
        mlx5_pagealloc_cleanup(dev);
@@ -1149,7 +1146,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
        }
        mlx5_pagealloc_stop(dev);
        mlx5_reclaim_startup_pages(dev);
-       mlx5_core_disable_hca(dev);
+       mlx5_core_disable_hca(dev, 0);
        mlx5_pagealloc_cleanup(dev);
        mlx5_cmd_cleanup(dev);
 

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index cee5b7a839bc335fc140ca03eb9aadda09b25900..1ed2239a6a6d2a50df374f02a78c71a41c1312cb 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -90,6 +90,8 @@ void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
                     unsigned long param);
 void mlx5_enter_error_state(struct mlx5_core_dev *dev);
 void mlx5_disable_device(struct mlx5_core_dev *dev);
+int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id);
+int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id);
 
 void mlx5e_init(void);
 void mlx5e_cleanup(void);