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/mlx5/driver.h> |
35 | #include "mlx5_core.h" |
36 | |
37 | int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn) |
38 | { |
39 | u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {}; |
40 | u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {}; |
41 | int err; |
42 | |
43 | MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); |
44 | err = mlx5_cmd_exec_inout(dev, alloc_pd, in, out); |
45 | if (!err) |
46 | *pdn = MLX5_GET(alloc_pd_out, out, pd); |
47 | return err; |
48 | } |
49 | EXPORT_SYMBOL(mlx5_core_alloc_pd); |
50 | |
51 | int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn) |
52 | { |
53 | u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {}; |
54 | |
55 | MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); |
56 | MLX5_SET(dealloc_pd_in, in, pd, pdn); |
57 | return mlx5_cmd_exec_in(dev, dealloc_pd, in); |
58 | } |
59 | EXPORT_SYMBOL(mlx5_core_dealloc_pd); |
60 | |