xref: /dragonfly/usr.sbin/cpucontrol/intel.h (revision 7ce1da6a736446c2bb49379f6647bd0d5551b920)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
28  */
29 
30 #ifndef INTEL_H
31 #define   INTEL_H
32 
33 /*
34  * Prototypes.
35  */
36 ucode_probe_t       intel_probe;
37 ucode_update_t      intel_update;
38 
39 typedef struct intel_fw_header {
40           uint32_t  header_version;               /* Version of the header. */
41           int32_t             revision;           /* Unique version number. */
42           uint32_t  date;                         /* Date of creation in BCD. */
43           uint32_t  cpu_signature;                /* Extended family, extended
44                                                                model, type, family, model
45                                                                and stepping. */
46           uint32_t  checksum;           /* Sum of all DWORDS should
47                                                                be 0. */
48           uint32_t  loader_revision;    /* Version of the loader
49                                                                required to load update. */
50           uint32_t  cpu_flags;                    /* Platform IDs encoded in
51                                                                the lower 8 bits. */
52           uint32_t  data_size;
53           uint32_t  total_size;
54           uint8_t             reserved[12];
55 } intel_fw_header_t;
56 
57 typedef struct intel_cpu_signature {
58           uint32_t  cpu_signature;
59           uint32_t  cpu_flags;
60           uint32_t  checksum;
61 } intel_cpu_signature_t;
62 
63 typedef struct intel_ext_header {
64           uint32_t  sig_count;
65           uint32_t  checksum;
66           uint8_t             reserved[12];
67 } intel_ext_header_t;
68 
69 #define   INTEL_HEADER_VERSION          0x00000001
70 #define   INTEL_LOADER_REVISION         0x00000001
71 
72 #endif /* !INTEL_H */
73