1/* 2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33#include <linux/kernel.h> 34#include <linux/module.h> 35#include <linux/mlx5/driver.h> 36#include "mlx5_core.h" 37 38int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn) 39{ 40 u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {}; 41 u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {}; 42 int err; 43 44 MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); 45 err = mlx5_cmd_exec_inout(dev, alloc_pd, in, out); 46 if (!err) 47 *pdn = MLX5_GET(alloc_pd_out, out, pd); 48 return err; 49} 50EXPORT_SYMBOL(mlx5_core_alloc_pd); 51 52int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn) 53{ 54 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {}; 55 56 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); 57 MLX5_SET(dealloc_pd_in, in, pd, pdn); 58 return mlx5_cmd_exec_in(dev, dealloc_pd, in); 59} 60EXPORT_SYMBOL(mlx5_core_dealloc_pd); 61