1 /*	$NetBSD: smbiosvar.h,v 1.3 2008/04/16 16:06:51 cegger 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 	uint8_t	mjr;
47 	uint8_t	min;
48 	uint8_t	*addr;
49 	uint16_t	len;
50 	uint16_t	count;
51 };
52 
53 struct smbhdr {
54 	uint32_t	sig;		/* "_SM_" */
55 	uint8_t 	checksum;	/* Entry point checksum */
56 	uint8_t 	len;		/* Entry point structure length */
57 	uint8_t	majrev;		/* Specification major revision */
58 	uint8_t	minrev;		/* Specification minor revision */
59 	uint16_t	mss;		/* Maximum Structure Size */
60 	uint8_t 	epr;		/* Entry Point Revision */
61 	uint8_t 	fa[5];		/* value determined by EPR */
62 	uint8_t	sasig[5];  	/* Secondary Anchor "_DMI_" */
63 	uint8_t	sachecksum;	/* Secondary Checksum */
64 	uint16_t	size;   	/* Length of structure table in bytes */
65 	uint32_t	addr;	  	/* Structure table address */
66 	uint16_t	count;		/* Number of SMBIOS structures */
67 	uint8_t	rev;  		/* BCD revision */
68 } __packed;
69 
70 struct smbtblhdr {
71 	uint8_t	type;
72 	uint8_t	size;
73 	uint16_t	handle;
74 } __packed;
75 
76 struct smbtable {
77 	struct smbtblhdr *hdr;
78 	void		 *tblhdr;
79 	uint32_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 	uint8_t	vendor;		/* string */
131 	uint8_t	version;	/* string */
132 	uint16_t	startaddr;
133 	uint8_t	release;	/* string */
134 	uint8_t	romsize;
135 	uint64_t	characteristics;
136 	uint32_t	charext;
137 	uint8_t	major_rel;
138 	uint8_t	minor_rel;
139 	uint8_t	ecf_mjr_rel;	/* embedded controler firmware */
140 	uint8_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 	uint8_t	vendor;		/* string */
151 	uint8_t	product;	/* string */
152 	uint8_t	version;	/* string */
153 	uint8_t	serial;		/* string */
154 /* SMBIOS spec 2.1+ */
155 	uint8_t	uuid[16];
156 	uint8_t	wakeup;
157 /* SMBIOS spec 2.4+ */
158 	uint8_t	sku;		/* string */
159 	uint8_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 	uint8_t	vendor;		/* string */
168 	uint8_t	product;	/* string */
169 	uint8_t	version;	/* string */
170 	uint8_t	serial;		/* string */
171 	uint8_t	asset;		/* stirng */
172 	uint8_t	feature;	/* feature flags */
173 	uint8_t	location;	/* location in chassis */
174 	uint16_t	handle;		/* chassis handle */
175 	uint8_t	type;		/* board type */
176 	uint8_t	noc;		/* number of contained objects */
177 } __packed;
178 
179 /*
180  * SMBIOS Structure Type 9 "Expansion slot"
181  */
182 struct smbios_slot {
183 	uint8_t		designation;
184 	uint8_t		type;
185 	uint8_t		width;
186 	uint8_t		usage;
187 	uint8_t		length;
188 	uint8_t		slotid[2];
189 	uint8_t		characteristics[2];
190 } __packed;
191 
192 #define	SMBIOS_SLOT_ISA		0x03
193 #define	SMBIOS_SLOT_EISA	0x05
194 
195 /*
196  * SMBIOS Structure Type 38 "IPMI Information"
197  * DMTF Specification DSP0134 Section 3.3.39 p.g. 91
198  */
199 struct smbios_ipmi {
200         uint8_t        smipmi_if_type;         /* IPMI Interface Type */
201         uint8_t        smipmi_if_rev;          /* BCD IPMI Revision */
202         uint8_t        smipmi_i2c_address;     /* I2C address of BMC */
203         uint8_t        smipmi_nvram_address;   /* I2C address of NVRAM
204 						 * storage */
205         uint64_t       smipmi_base_address;    /* Base address of BMC (BAR
206 						 * format */
207         uint8_t        smipmi_base_flags;      /* Flags field:
208 						 * bit 7:6 : register spacing
209 						 *   00 = byte
210 						 *   01 = dword
211 						 *   02 = word
212 						 * bit 4 : Lower bit BAR
213 						 * bit 3 : IRQ valid
214 						 * bit 2 : N/A
215 						 * bit 1 : Interrupt polarity
216 						 * bit 0 : Interrupt trigger */
217         uint8_t        smipmi_irq;             /* IRQ if applicable */
218 } __packed;
219 
220 int smbios_find_table(uint8_t, struct smbtable *);
221 char *smbios_get_string(struct smbtable *, uint8_t, char *, size_t);
222 
223 #endif
224