1 /*-
2 * Copyright (c) 2013-2017, 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
mlx5_core_alloc_pd(struct mlx5_core_dev * dev,u32 * pdn)34 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn)
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
42 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
43 if (err)
44 return err;
45
46 *pdn = MLX5_GET(alloc_pd_out, out, pd);
47 return 0;
48 }
49 EXPORT_SYMBOL(mlx5_core_alloc_pd);
50
mlx5_core_dealloc_pd(struct mlx5_core_dev * dev,u32 pdn)51 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn)
52 {
53 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {0};
54 u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {0};
55
56 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
57 MLX5_SET(dealloc_pd_in, in, pd, pdn);
58
59 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
60 }
61 EXPORT_SYMBOL(mlx5_core_dealloc_pd);
62