1 /* $NetBSD: cpuio.h,v 1.4 2009/04/19 14:11:37 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2007, 2009 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 int32_t cs_lastmod; /* time of last state change */ 53 char cs_name[16]; /* reserved */ 54 int32_t cs_lastmodhi; /* time of last state change */ 55 uint32_t cs_intrcnt; /* count of interrupt handlers + 1 */ 56 uint32_t cs_reserved[2]; /* reserved */ 57 } cpustate_t; 58 59 #define IOC_CPU_SETSTATE _IOW('c', 0, cpustate_t) 60 #define IOC_CPU_GETSTATE _IOWR('c', 1, cpustate_t) 61 #define IOC_CPU_GETCOUNT _IOR('c', 2, int) 62 #define IOC_CPU_MAPID _IOWR('c', 3, int) 63 64 #endif /* !_SYS_CPUIO_H_ */ 65