xref: /freebsd/usr.sbin/cpucontrol/intel.h (revision 06c3fb27)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2006, 2008 Stanislav Sedov <stas@FreeBSD.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 #ifndef INTEL_H
29 #define	INTEL_H
30 
31 /*
32  * Prototypes.
33  */
34 ucode_probe_t	intel_probe;
35 ucode_update_t	intel_update;
36 
37 typedef struct intel_fw_header {
38 	uint32_t	header_version;		/* Version of the header. */
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	cpu_flags;		/* Platform IDs encoded in
49 						   the lower 8 bits. */
50 	uint32_t	data_size;
51 	uint32_t	total_size;
52 	uint8_t		reserved[12];
53 } intel_fw_header_t;
54 
55 typedef struct intel_cpu_signature {
56 	uint32_t	cpu_signature;
57 	uint32_t	cpu_flags;
58 	uint32_t	checksum;
59 } intel_cpu_signature_t;
60 
61 typedef struct intel_ext_header {
62 	uint32_t	sig_count;
63 	uint32_t	checksum;
64 	uint8_t		reserved[12];
65 } intel_ext_header_t;
66 
67 #define	INTEL_HEADER_VERSION	0x00000001
68 #define	INTEL_LOADER_REVISION	0x00000001
69 
70 #endif /* !INTEL_H */
71