1 | /* $NetBSD: cpuio.h,v 1.9 2013/01/05 16:36:38 dsl Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2007, 2009, 2012 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Andrew Doran. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #if !defined(_SYS_CPUIO_H_) |
33 | #define _SYS_CPUIO_H_ |
34 | |
35 | #include <sys/types.h> |
36 | #include <sys/time.h> |
37 | #include <sys/ioccom.h> |
38 | |
39 | #ifndef _KERNEL |
40 | #include <limits.h> |
41 | #include <stdbool.h> |
42 | #endif |
43 | |
44 | /* |
45 | * This is not a great place to describe CPU properties, those |
46 | * are better returned via autoconf. |
47 | */ |
48 | typedef struct cpustate { |
49 | u_int cs_id; /* matching ci_cpuid */ |
50 | bool cs_online; /* running unbound LWPs */ |
51 | bool cs_intr; /* fielding interrupts */ |
52 | bool cs_unused[2]; /* reserved */ |
53 | int32_t cs_lastmod; /* time of last state change */ |
54 | char cs_name[16]; /* reserved */ |
55 | int32_t cs_lastmodhi; /* time of last state change */ |
56 | uint32_t cs_intrcnt; /* count of interrupt handlers + 1 */ |
57 | uint32_t cs_hwid; /* hardware id */ |
58 | uint32_t cs_reserved; /* reserved */ |
59 | } cpustate_t; |
60 | |
61 | #define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t) |
62 | #define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t) |
63 | #define IOC_CPU_GETCOUNT _IOR('c', 2, int) |
64 | #define IOC_CPU_MAPID _IOWR('c', 3, int) |
65 | /* 4 and 5 reserved for compat nb6 x86 amd ucode loader */ |
66 | |
67 | struct cpu_ucode_version { |
68 | int loader_version; /* IN: md version number */ |
69 | void *data; /* OUT: CPU ID data */ |
70 | }; |
71 | |
72 | #define IOC_CPU_UCODE_GET_VERSION _IOWR('c', 6, struct cpu_ucode_version) |
73 | |
74 | #ifdef __i386__ |
75 | /* In order to read the info from an amd64 kernel we need ... */ |
76 | struct cpu_ucode_version_64 { |
77 | int loader_version; /* IN: md version number */ |
78 | int pad1; |
79 | void *data; /* OUT: CPU ID data */ |
80 | int must_be_zero; |
81 | }; |
82 | #define IOC_CPU_UCODE_GET_VERSION_64 _IOWR('c', 6, struct cpu_ucode_version_64) |
83 | #endif |
84 | |
85 | struct cpu_ucode { |
86 | int loader_version; /* md version number */ |
87 | int cpu_nr; /* CPU index or special value below */ |
88 | #define CPU_UCODE_ALL_CPUS (-1) |
89 | #define CPU_UCODE_CURRENT_CPU (-2) |
90 | char fwname[PATH_MAX]; |
91 | }; |
92 | |
93 | #define IOC_CPU_UCODE_APPLY _IOW('c', 7, struct cpu_ucode) |
94 | |
95 | #endif /* !_SYS_CPUIO_H_ */ |
96 | |