xref: /dragonfly/usr.sbin/cpucontrol/via.h (revision 0db87cb7)
1 /*-
2  * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD: release/10.0.0/usr.sbin/cpucontrol/via.h 228436 2011-12-12 12:30:44Z fabient $
26  */
27 
28 #ifndef VIA_H
29 #define	VIA_H
30 
31 /*
32  * Prototypes.
33  */
34 ucode_probe_t	via_probe;
35 ucode_update_t	via_update;
36 
37 typedef struct via_fw_header {
38 	uint32_t	signature;		/* Signature. */
39 	int32_t		revision;		/* Unique version number. */
40 	uint32_t	date;			/* Date of creation in BCD. */
41 	uint32_t	cpu_signature;		/* Extended family, extended
42 						   model, type, family, model
43 						   and stepping. */
44 	uint32_t	checksum;		/* Sum of all DWORDS should
45 						   be 0. */
46 	uint32_t	loader_revision;	/* Version of the loader
47 						   required to load update. */
48 	uint32_t	reserverd1;		/* Platform IDs encoded in
49 						   the lower 8 bits. */
50 	uint32_t	data_size;
51 	uint32_t	total_size;
52 	uint8_t		reserved2[12];
53 } via_fw_header_t;
54 
55 typedef struct via_cpu_signature {
56 	uint32_t	cpu_signature;
57 	uint32_t	checksum;
58 } via_cpu_signature_t;
59 
60 #define VIA_HEADER_SIGNATURE	0x53415252
61 #define VIA_LOADER_REVISION	0x00000001
62 
63 #endif /* !VIA_H */
64