1 /*- 2 * Copyright (c) 2013-2020, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include "opt_rss.h" 27 #include "opt_ratelimit.h" 28 29 #include <linux/kernel.h> 30 #include <linux/module.h> 31 #include <dev/mlx5/driver.h> 32 #include <dev/mlx5/mlx5_core/mlx5_core.h> 33 34 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn, u16 uid) 35 { 36 u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0}; 37 u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0}; 38 int err; 39 40 MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); 41 MLX5_SET(alloc_pd_in, in, uid, uid); 42 43 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 44 if (err) 45 return err; 46 47 *pdn = MLX5_GET(alloc_pd_out, out, pd); 48 return 0; 49 } 50 EXPORT_SYMBOL(mlx5_core_alloc_pd); 51 52 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid) 53 { 54 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {0}; 55 u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {0}; 56 57 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); 58 MLX5_SET(dealloc_pd_in, in, uid, uid); 59 MLX5_SET(dealloc_pd_in, in, pd, pdn); 60 61 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 62 } 63 EXPORT_SYMBOL(mlx5_core_dealloc_pd); 64