1 /* $OpenBSD: smbiosvar.h,v 1.3 2006/07/17 20:34:31 fgsch Exp $ */
2 /*
3 * Copyright (c) 2006 Gordon Willem Klok <gklok@cogeco.ca>
4 * Copyright (c) 2005 Jordan Hargrave
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 AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 #ifndef _I386_SMBIOSVAR_
29 #define _I386_SMBIOSVAR_
30
31 #define SMBIOS_START 0xf0000
32 #define SMBIOS_END 0xfffff
33
34 #define SMBIOS_UUID_NPRESENT 0x1
35 #define SMBIOS_UUID_NSET 0x2
36
37 /*
38 * Section 3.5 of "UUIDs and GUIDs" found at
39 * http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
40 * specifies the string repersentation of a UUID.
41 */
42 #define SMBIOS_UUID_REP "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x"
43 #define SMBIOS_UUID_REPLEN 37 /* 16 zero padded values, 4 hyphens, 1 null */
44
45 struct smbios_entry {
46 u_int8_t mjr;
47 u_int8_t min;
48 u_int8_t *addr;
49 u_int16_t len;
50 u_int16_t count;
51 };
52
53 struct smbhdr {
54 u_int32_t sig; /* "_SM_" */
55 u_int8_t checksum; /* Entry point checksum */
56 u_int8_t len; /* Entry point structure length */
57 u_int8_t majrev; /* Specification major revision */
58 u_int8_t minrev; /* Specification minor revision */
59 u_int16_t mss; /* Maximum Structure Size */
60 u_int8_t epr; /* Entry Point Revision */
61 u_int8_t fa[5]; /* value determined by EPR */
62 u_int8_t sasig[5]; /* Secondary Anchor "_DMI_" */
63 u_int8_t sachecksum; /* Secondary Checksum */
64 u_int16_t size; /* Length of structure table in bytes */
65 u_int32_t addr; /* Structure table address */
66 u_int16_t count; /* Number of SMBIOS structures */
67 u_int8_t rev; /* BCD revision */
68 } __packed;
69
70 struct smbtblhdr {
71 u_int8_t type;
72 u_int8_t size;
73 u_int16_t handle;
74 } __packed;
75
76 struct smbtable {
77 struct smbtblhdr *hdr;
78 void *tblhdr;
79 u_int32_t cookie;
80 };
81
82 #define SMBIOS_TYPE_BIOS 0
83 #define SMBIOS_TYPE_SYSTEM 1
84 #define SMBIOS_TYPE_BASEBOARD 2
85 #define SMBIOS_TYPE_ENCLOSURE 3
86 #define SMBIOS_TYPE_PROCESSOR 4
87 #define SMBIOS_TYPE_MEMCTRL 5
88 #define SMBIOS_TYPE_MEMMOD 6
89 #define SMBIOS_TYPE_CACHE 7
90 #define SMBIOS_TYPE_PORT 8
91 #define SMBIOS_TYPE_SLOTS 9
92 #define SMBIOS_TYPE_OBD 10
93 #define SMBIOS_TYPE_OEM 11
94 #define SMBIOS_TYPE_SYSCONFOPT 12
95 #define SMBIOS_TYPE_BIOSLANG 13
96 #define SMBIOS_TYPE_GROUPASSOC 14
97 #define SMBIOS_TYPE_SYSEVENTLOG 15
98 #define SMBIOS_TYPE_PHYMEM 16
99 #define SMBIOS_TYPE_MEMDEV 17
100 #define SMBIOS_TYPE_ECCINFO32 18
101 #define SMBIOS_TYPE_MEMMAPARRAYADDR 19
102 #define SMBIOS_TYPE_MEMMAPDEVADDR 20
103 #define SMBIOS_TYPE_INBUILTPOINT 21
104 #define SMBIOS_TYPE_PORTBATT 22
105 #define SMBIOS_TYPE_SYSRESET 23
106 #define SMBIOS_TYPE_HWSECUIRTY 24
107 #define SMBIOS_TYPE_PWRCTRL 25
108 #define SMBIOS_TYPE_VOLTPROBE 26
109 #define SMBIOS_TYPE_COOLING 27
110 #define SMBIOS_TYPE_TEMPPROBE 28
111 #define SMBIOS_TYPE_CURRENTPROBE 29
112 #define SMBIOS_TYPE_OOB_REMOTEACCESS 30
113 #define SMBIOS_TYPE_BIS 31
114 #define SMBIOS_TYPE_SBI 32
115 #define SMBIOS_TYPE_ECCINFO64 33
116 #define SMBIOS_TYPE_MGMTDEV 34
117 #define SMBIOS_TYPE_MGTDEVCOMP 35
118 #define SMBIOS_TYPE_MGTDEVTHRESH 36
119 #define SMBIOS_TYPE_MEMCHANNEL 37
120 #define SMBIOS_TYPE_IPMIDEV 38
121 #define SMBIOS_TYPE_SPS 39
122 #define SMBIOS_TYPE_INACTIVE 126
123 #define SMBIOS_TYPE_EOT 127
124
125 /*
126 * SMBIOS Structure Type 0 "BIOS Information"
127 * DMTF Specification DSP0134 Section: 3.3.1 p.g. 34
128 */
129 struct smbios_struct_bios {
130 u_int8_t vendor; /* string */
131 u_int8_t version; /* string */
132 u_int16_t startaddr;
133 u_int8_t release; /* string */
134 u_int8_t romsize;
135 u_int64_t characteristics;
136 u_int32_t charext;
137 u_int8_t major_rel;
138 u_int8_t minor_rel;
139 u_int8_t ecf_mjr_rel; /* embedded controler firmware */
140 u_int8_t ecf_min_rel; /* embedded controler firmware */
141 } __packed;
142
143 /*
144 * SMBIOS Structure Type 1 "System Information"
145 * DMTF Specification DSP0134 Section 3.3.2 p.g. 35
146 */
147
148 struct smbios_sys {
149 /* SMBIOS spec 2.0+ */
150 u_int8_t vendor; /* string */
151 u_int8_t product; /* string */
152 u_int8_t version; /* string */
153 u_int8_t serial; /* string */
154 /* SMBIOS spec 2.1+ */
155 u_int8_t uuid[16];
156 u_int8_t wakeup;
157 /* SMBIOS spec 2.4+ */
158 u_int8_t sku; /* string */
159 u_int8_t family; /* string */
160 } __packed;
161
162 /*
163 * SMBIOS Structure Type 2 "Base Board (Module) Information"
164 * DMTF Specification DSP0134 Section 3.3.3 p.g. 37
165 */
166 struct smbios_board {
167 u_int8_t vendor; /* string */
168 u_int8_t product; /* string */
169 u_int8_t version; /* string */
170 u_int8_t serial; /* string */
171 u_int8_t asset; /* stirng */
172 u_int8_t feature; /* feature flags */
173 u_int8_t location; /* location in chassis */
174 u_int16_t handle; /* chassis handle */
175 u_int8_t type; /* board type */
176 u_int8_t noc; /* number of contained objects */
177 } __packed;
178
179 /*
180 * SMBIOS Structure Type 38 "IPMI Information"
181 * DMTF Specification DSP0134 Section 3.3.39 p.g. 91
182 */
183 struct smbios_ipmi {
184 u_int8_t smipmi_if_type; /* IPMI Interface Type */
185 u_int8_t smipmi_if_rev; /* BCD IPMI Revision */
186 u_int8_t smipmi_i2c_address; /* I2C address of BMC */
187 u_int8_t smipmi_nvram_address; /* I2C address of NVRAM
188 * storage */
189 u_int64_t smipmi_base_address; /* Base address of BMC (BAR
190 * format */
191 u_int8_t smipmi_base_flags; /* Flags field:
192 * bit 7:6 : register spacing
193 * 00 = byte
194 * 01 = dword
195 * 02 = word
196 * bit 4 : Lower bit BAR
197 * bit 3 : IRQ valid
198 * bit 2 : N/A
199 * bit 1 : Interrupt polarity
200 * bit 0 : Interrupt trigger */
201 u_int8_t smipmi_irq; /* IRQ if applicable */
202 } __packed;
203
204 int smbios_find_table(u_int8_t, struct smbtable *);
205 char *smbios_get_string(struct smbtable *, u_int8_t, char *, size_t);
206
207 #endif