FreeBSD/Linux Kernel Cross Reference
sys/sys/cpuio.h
1 /* $NetBSD: cpuio.h,v 1.2 2008/04/28 20:24:10 martin Exp $ */
2
3 /*-
4 * Copyright (c) 2007 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 <stdbool.h>
41 #endif
42
43 /*
44 * This is not a great place to describe CPU properties, those
45 * are better returned via autoconf.
46 */
47 typedef struct cpustate {
48 u_int cs_id; /* matching ci_cpuid */
49 bool cs_online; /* running unbound LWPs */
50 bool cs_intr; /* fielding interrupts */
51 bool cs_unused[2]; /* reserved */
52 time_t cs_lastmod; /* time of last state change */
53 char cs_name[16]; /* reserved */
54 uint32_t cs_reserved[4]; /* reserved */
55 } cpustate_t;
56
57 #define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t)
58 #define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t)
59 #define IOC_CPU_GETCOUNT _IOR('c', 2, int)
60 #define IOC_CPU_MAPID _IOWR('c', 3, int)
61
62 #endif /* !_SYS_CPUIO_H_ */
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