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 * $FreeBSD$
26 */
27
28 #include <linux/kernel.h>
29 #include <linux/module.h>
30 #include <dev/mlx5/driver.h>
31 #include "mlx5_core.h"
32
mlx5_core_alloc_pd(struct mlx5_core_dev * dev,u32 * pdn)33 int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn)
34 {
35 u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
36 u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
37 int err;
38
39 MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
40
41 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
42 if (err)
43 return err;
44
45 *pdn = MLX5_GET(alloc_pd_out, out, pd);
46 return 0;
47 }
48 EXPORT_SYMBOL(mlx5_core_alloc_pd);
49
mlx5_core_dealloc_pd(struct mlx5_core_dev * dev,u32 pdn)50 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn)
51 {
52 u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {0};
53 u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {0};
54
55 MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
56 MLX5_SET(dealloc_pd_in, in, pd, pdn);
57
58 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
59 }
60 EXPORT_SYMBOL(mlx5_core_dealloc_pd);
61