/* * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mlx5/driver.h> #include <linux/mlx5/cmd.h> #include "mlx5_core.h" int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn) { u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0}; u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0}; int err; MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); if (!err) *pdn = MLX5_GET(alloc_pd_out, out, pd); return err; } EXPORT_SYMBOL(mlx5_core_alloc_pd); int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn) { u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {0}; u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {0}; MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); MLX5_SET(dealloc_pd_in, in, pd, pdn); return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); } EXPORT_SYMBOL(mlx5_core_dealloc_pd);