1 | /* $NetBSD: linux_dmi.c,v 1.1 2014/04/25 23:54:59 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (C) 2014 NONAKA Kimihiro <nonaka@netbsd.org> |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | */ |
27 | |
28 | #include <sys/cdefs.h> |
29 | __KERNEL_RCSID(0, "$NetBSD: linux_dmi.c,v 1.1 2014/04/25 23:54:59 riastradh Exp $" ); |
30 | |
31 | #include <sys/param.h> |
32 | #include <sys/types.h> |
33 | #include <sys/pmf.h> |
34 | |
35 | #include <linux/dmi.h> |
36 | |
37 | static bool |
38 | dmi_found(const struct dmi_system_id *dsi) |
39 | { |
40 | const char *p; |
41 | int i, slot; |
42 | |
43 | for (i = 0; i < __arraycount(dsi->matches); i++) { |
44 | p = NULL; |
45 | slot = dsi->matches[i].slot; |
46 | switch (slot) { |
47 | case DMI_NONE: |
48 | continue; |
49 | case DMI_BIOS_VENDOR: |
50 | p = pmf_get_platform("bios-vendor" ); |
51 | break; |
52 | case DMI_BIOS_VERSION: |
53 | p = pmf_get_platform("bios-version" ); |
54 | break; |
55 | case DMI_BIOS_DATE: |
56 | p = pmf_get_platform("bios-date" ); |
57 | break; |
58 | case DMI_SYS_VENDOR: |
59 | p = pmf_get_platform("system-vendor" ); |
60 | break; |
61 | case DMI_PRODUCT_NAME: |
62 | p = pmf_get_platform("system-product" ); |
63 | break; |
64 | case DMI_PRODUCT_VERSION: |
65 | p = pmf_get_platform("system-version" ); |
66 | break; |
67 | case DMI_PRODUCT_SERIAL: |
68 | p = pmf_get_platform("system-serial" ); |
69 | break; |
70 | case DMI_PRODUCT_UUID: |
71 | p = pmf_get_platform("system-uuid" ); |
72 | break; |
73 | case DMI_BOARD_VENDOR: |
74 | p = pmf_get_platform("board-vendor" ); |
75 | break; |
76 | case DMI_BOARD_NAME: |
77 | p = pmf_get_platform("board-product" ); |
78 | break; |
79 | case DMI_BOARD_VERSION: |
80 | p = pmf_get_platform("board-version" ); |
81 | break; |
82 | case DMI_BOARD_SERIAL: |
83 | p = pmf_get_platform("board-serial" ); |
84 | break; |
85 | case DMI_BOARD_ASSET_TAG: |
86 | p = pmf_get_platform("board-asset-tag" ); |
87 | break; |
88 | case DMI_CHASSIS_VENDOR: |
89 | case DMI_CHASSIS_TYPE: |
90 | case DMI_CHASSIS_VERSION: |
91 | case DMI_CHASSIS_SERIAL: |
92 | case DMI_CHASSIS_ASSET_TAG: |
93 | return false; |
94 | case DMI_STRING_MAX: |
95 | default: |
96 | aprint_error("%s: unknown DMI field(%d)\n" , __func__, |
97 | slot); |
98 | return false; |
99 | } |
100 | if (p == NULL || strcmp(p, dsi->matches[i].substr)) |
101 | return false; |
102 | } |
103 | return true; |
104 | } |
105 | |
106 | int |
107 | dmi_check_system(const struct dmi_system_id *sysid) |
108 | { |
109 | const struct dmi_system_id *dsi; |
110 | int num = 0; |
111 | |
112 | for (dsi = sysid; dsi->matches[0].slot != DMI_NONE; dsi++) { |
113 | if (dmi_found(dsi)) { |
114 | num++; |
115 | if (dsi->callback && dsi->callback(dsi)) |
116 | break; |
117 | } |
118 | } |
119 | return num; |
120 | } |
121 | |