root / lab4 / .minix-src / include / sys / cpuio.h @ 13
History | View | Annotate | Download (3.32 KB)
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_ */ |