return NOTIFY_OK;
}
-int mlx5_esw_query_functions(struct mlx5_core_dev *dev, u32 *out, int outlen)
+/**
+ * mlx5_esw_query_functions - Returns raw output about functions state
+ * @dev: Pointer to device to query
+ *
+ * mlx5_esw_query_functions() allocates and returns functions changed
+ * raw output memory pointer from device on success. Otherwise returns ERR_PTR.
+ * Caller must free the memory using kvfree() when valid pointer is returned.
+ */
+const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
{
+ int outlen = MLX5_ST_SZ_BYTES(query_esw_functions_out);
u32 in[MLX5_ST_SZ_DW(query_esw_functions_in)] = {};
+ u32 *out;
+ int err;
+
+ out = kvzalloc(outlen, GFP_KERNEL);
+ if (!out)
+ return ERR_PTR(-ENOMEM);
MLX5_SET(query_esw_functions_in, in, opcode,
MLX5_CMD_OP_QUERY_ESW_FUNCTIONS);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ err = mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ if (!err)
+ return out;
+
+ kvfree(out);
+ return ERR_PTR(err);
}
static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw)
int mlx5_eswitch_init(struct mlx5_core_dev *dev)
{
- int total_vports = MLX5_TOTAL_VPORTS(dev);
struct mlx5_eswitch *esw;
struct mlx5_vport *vport;
+ int total_vports;
int err, i;
if (!MLX5_VPORT_MANAGER(dev))
return 0;
+ total_vports = mlx5_eswitch_get_total_vports(dev);
+
esw_info(dev,
"Total vports %d, per vport: max uc(%d) max mc(%d)\n",
total_vports,
void mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, const int num_vfs)
{
- u32 out[MLX5_ST_SZ_DW(query_esw_functions_out)] = {};
- int err;
+ const u32 *out;
WARN_ON_ONCE(esw->mode != MLX5_ESWITCH_NONE);
return;
}
- err = mlx5_esw_query_functions(esw->dev, out, sizeof(out));
- if (!err)
- esw->esw_funcs.num_vfs = MLX5_GET(query_esw_functions_out, out,
- host_params_context.host_num_of_vfs);
+ out = mlx5_esw_query_functions(esw->dev);
+ if (IS_ERR(out))
+ return;
+
+ esw->esw_funcs.num_vfs = MLX5_GET(query_esw_functions_out, out,
+ host_params_context.host_num_of_vfs);
+ kvfree(out);
}