1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T 23 * All Rights Reserved 24 * 25 */ 26 27/* 28 * Copyright 2014 Garrett D'Amore <garrett@damore.org> 29 * 30 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 31 * Use is subject to license terms. 32 */ 33 34#ifndef _SYS_PROCESSOR_H 35#define _SYS_PROCESSOR_H 36 37#include <sys/types.h> 38#include <sys/procset.h> 39 40#ifdef __cplusplus 41extern "C" { 42#endif 43 44/* 45 * Definitions for p_online, processor_info & lgrp system calls. 46 */ 47 48/* 49 * Type for an lgrpid 50 */ 51typedef uint16_t lgrpid_t; 52 53/* 54 * Type for processor name (CPU number). 55 */ 56typedef int processorid_t; 57typedef int chipid_t; 58 59/* 60 * Flags and return values for p_online(2), and pi_state for processor_info(2). 61 * These flags are *not* for in-kernel examination of CPU states. 62 * See <sys/cpuvar.h> for appropriate informational functions. 63 */ 64#define P_OFFLINE 0x0001 /* processor is offline, as quiet as possible */ 65#define P_ONLINE 0x0002 /* processor is online */ 66#define P_STATUS 0x0003 /* value passed to p_online to request status */ 67#define P_FAULTED 0x0004 /* processor is offline, in faulted state */ 68#define P_POWEROFF 0x0005 /* processor is powered off */ 69#define P_NOINTR 0x0006 /* processor is online, but no I/O interrupts */ 70#define P_SPARE 0x0007 /* processor is offline, can be reactivated */ 71#define P_BAD P_FAULTED /* unused but defined by USL */ 72#define P_FORCED 0x10000000 /* force processor offline */ 73 74/* 75 * String names for processor states defined above. 76 */ 77#define PS_OFFLINE "off-line" 78#define PS_ONLINE "on-line" 79#define PS_FAULTED "faulted" 80#define PS_POWEROFF "powered-off" 81#define PS_NOINTR "no-intr" 82#define PS_SPARE "spare" 83 84/* 85 * Structure filled in by processor_info(2). This structure 86 * SHOULD NOT BE MODIFIED. Changes to the structure would 87 * negate ABI compatibility. 88 * 89 * The string fields are guaranteed to contain a NULL. 90 * 91 * The pi_fputypes field contains a (possibly empty) comma-separated 92 * list of floating point identifier strings. 93 */ 94#define PI_TYPELEN 16 /* max size of CPU type string */ 95#define PI_FPUTYPE 32 /* max size of FPU types string */ 96 97typedef struct { 98 int pi_state; /* processor state, see above */ 99 char pi_processor_type[PI_TYPELEN]; /* ASCII CPU type */ 100 char pi_fputypes[PI_FPUTYPE]; /* ASCII FPU types */ 101 int pi_clock; /* CPU clock freq in MHz */ 102} processor_info_t; 103 104/* 105 * Binding values for processor_bind(2) 106 */ 107#define PBIND_NONE -1 /* LWP/thread is not bound */ 108#define PBIND_QUERY -2 /* don't set, just return the binding */ 109#define PBIND_HARD -3 /* prevents offlining CPU (default) */ 110#define PBIND_SOFT -4 /* allows offlining CPU */ 111#define PBIND_QUERY_TYPE -5 /* Return binding type */ 112 113/* 114 * User-level system call interface prototypes 115 */ 116#ifndef _KERNEL 117 118extern int p_online(processorid_t processorid, int flag); 119extern int processor_info(processorid_t processorid, 120 processor_info_t *infop); 121extern int processor_bind(idtype_t idtype, id_t id, 122 processorid_t processorid, processorid_t *obind); 123extern processorid_t getcpuid(void); 124extern lgrpid_t gethomelgroup(void); 125 126#else /* _KERNEL */ 127 128/* 129 * Internal interface prototypes 130 */ 131extern int p_online_internal(processorid_t, int, int *); 132extern int p_online_internal_locked(processorid_t, int, int *); 133 134#endif /* !_KERNEL */ 135 136#ifdef __cplusplus 137} 138#endif 139 140#endif /* _SYS_PROCESSOR_H */ 141