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e126ba97 | 1 | /* |
302bdf68 | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
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/mlx5/driver.h> | |
34 | #include <linux/mlx5/cmd.h> | |
35 | #include <linux/module.h> | |
36 | #include "mlx5_core.h" | |
37 | ||
38 | int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev) | |
39 | { | |
40 | struct mlx5_cmd_query_adapter_mbox_out *out; | |
41 | struct mlx5_cmd_query_adapter_mbox_in in; | |
42 | int err; | |
43 | ||
44 | out = kzalloc(sizeof(*out), GFP_KERNEL); | |
45 | if (!out) | |
46 | return -ENOMEM; | |
47 | ||
48 | memset(&in, 0, sizeof(in)); | |
49 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_ADAPTER); | |
50 | err = mlx5_cmd_exec(dev, &in, sizeof(in), out, sizeof(*out)); | |
51 | if (err) | |
52 | goto out_out; | |
53 | ||
54 | if (out->hdr.status) { | |
55 | err = mlx5_cmd_status_to_err(&out->hdr); | |
56 | goto out_out; | |
57 | } | |
58 | ||
59 | memcpy(dev->board_id, out->vsd_psid, sizeof(out->vsd_psid)); | |
60 | ||
61 | out_out: | |
62 | kfree(out); | |
63 | ||
64 | return err; | |
65 | } | |
66 | ||
c7a08ac7 | 67 | int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, struct mlx5_caps *caps) |
e126ba97 | 68 | { |
c7a08ac7 | 69 | return mlx5_core_get_caps(dev, caps, HCA_CAP_OPMOD_GET_CUR); |
e126ba97 EC |
70 | } |
71 | ||
e420f0c0 HE |
72 | int mlx5_query_odp_caps(struct mlx5_core_dev *dev, struct mlx5_odp_caps *caps) |
73 | { | |
74 | u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; | |
75 | int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); | |
76 | void *out; | |
77 | int err; | |
78 | ||
79 | if (!(dev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG)) | |
80 | return -ENOTSUPP; | |
81 | ||
82 | memset(in, 0, sizeof(in)); | |
83 | out = kzalloc(out_sz, GFP_KERNEL); | |
84 | if (!out) | |
85 | return -ENOMEM; | |
86 | MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); | |
87 | MLX5_SET(query_hca_cap_in, in, op_mod, HCA_CAP_OPMOD_GET_ODP_CUR); | |
88 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); | |
89 | if (err) | |
90 | goto out; | |
91 | ||
92 | err = mlx5_cmd_status_to_err_v2(out); | |
93 | if (err) { | |
94 | mlx5_core_warn(dev, "query cur hca ODP caps failed, %d\n", err); | |
95 | goto out; | |
96 | } | |
97 | ||
98 | memcpy(caps, MLX5_ADDR_OF(query_hca_cap_out, out, capability_struct), | |
99 | sizeof(*caps)); | |
100 | ||
101 | mlx5_core_dbg(dev, "on-demand paging capabilities:\nrc: %08x\nuc: %08x\nud: %08x\n", | |
102 | be32_to_cpu(caps->per_transport_caps.rc_odp_caps), | |
103 | be32_to_cpu(caps->per_transport_caps.uc_odp_caps), | |
104 | be32_to_cpu(caps->per_transport_caps.ud_odp_caps)); | |
105 | ||
106 | out: | |
107 | kfree(out); | |
108 | return err; | |
109 | } | |
110 | EXPORT_SYMBOL(mlx5_query_odp_caps); | |
111 | ||
e126ba97 EC |
112 | int mlx5_cmd_init_hca(struct mlx5_core_dev *dev) |
113 | { | |
114 | struct mlx5_cmd_init_hca_mbox_in in; | |
115 | struct mlx5_cmd_init_hca_mbox_out out; | |
116 | int err; | |
117 | ||
118 | memset(&in, 0, sizeof(in)); | |
119 | memset(&out, 0, sizeof(out)); | |
120 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_INIT_HCA); | |
121 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
122 | if (err) | |
123 | return err; | |
124 | ||
125 | if (out.hdr.status) | |
126 | err = mlx5_cmd_status_to_err(&out.hdr); | |
127 | ||
128 | return err; | |
129 | } | |
130 | ||
131 | int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev) | |
132 | { | |
133 | struct mlx5_cmd_teardown_hca_mbox_in in; | |
134 | struct mlx5_cmd_teardown_hca_mbox_out out; | |
135 | int err; | |
136 | ||
137 | memset(&in, 0, sizeof(in)); | |
138 | memset(&out, 0, sizeof(out)); | |
139 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_TEARDOWN_HCA); | |
140 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
141 | if (err) | |
142 | return err; | |
143 | ||
144 | if (out.hdr.status) | |
145 | err = mlx5_cmd_status_to_err(&out.hdr); | |
146 | ||
147 | return err; | |
148 | } |