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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T 24 * All Rights Reserved 25 * 26 */ 27 28 /* 29 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 30 * Use is subject to license terms. 31 */ 32 33 #ifndef _SYS_PROCESSOR_H 34 #define _SYS_PROCESSOR_H 35 36 #pragma ident "%Z%%M% %I% %E% SMI" 37 38 #include <sys/types.h> 39 #include <sys/procset.h> 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* 46 * Definitions for p_online, processor_info & lgrp system calls. 47 */ 48 49 /* 50 * Type for an lgrpid 51 */ 52 typedef uint16_t lgrpid_t; 53 54 /* 55 * Type for processor name (CPU number). 56 */ 57 typedef int processorid_t; 58 typedef int chipid_t; 59 60 /* 61 * Flags and return values for p_online(2), and pi_state for processor_info(2). 62 * These flags are *not* for in-kernel examination of CPU states. 63 * See <sys/cpuvar.h> for appropriate informational functions. 64 */ 65 #define P_OFFLINE 0x0001 /* processor is offline, as quiet as possible */ 66 #define P_ONLINE 0x0002 /* processor is online */ 67 #define P_STATUS 0x0003 /* value passed to p_online to request status */ 68 #define P_FAULTED 0x0004 /* processor is offline, in faulted state */ 69 #define P_POWEROFF 0x0005 /* processor is powered off */ 70 #define P_NOINTR 0x0006 /* processor is online, but no I/O interrupts */ 71 #define P_SPARE 0x0007 /* processor is offline, can be reactivated */ 72 #define P_BAD P_FAULTED /* unused but defined by USL */ 73 #define P_FORCED 0x10000000 /* force processor offline */ 74 75 /* 76 * String names for processor states defined above. 77 */ 78 #define PS_OFFLINE "off-line" 79 #define PS_ONLINE "on-line" 80 #define PS_FAULTED "faulted" 81 #define PS_POWEROFF "powered-off" 82 #define PS_NOINTR "no-intr" 83 #define PS_SPARE "spare" 84 85 /* 86 * Structure filled in by processor_info(2). 87 * 88 * The string fields are guaranteed to contain a NULL. 89 * 90 * The pi_fputypes field contains a (possibly empty) comma-separated 91 * list of floating point identifier strings. 92 */ 93 #define PI_TYPELEN 16 /* max size of CPU type string */ 94 #define PI_FPUTYPE 32 /* max size of FPU types string */ 95 96 typedef struct { 97 int pi_state; /* processor state, see above */ 98 char pi_processor_type[PI_TYPELEN]; /* ASCII CPU type */ 99 char pi_fputypes[PI_FPUTYPE]; /* ASCII FPU types */ 100 int pi_clock; /* CPU clock freq in MHz */ 101 } processor_info_t; 102 103 /* 104 * Binding values for processor_bind(2) 105 */ 106 #define PBIND_NONE -1 /* LWP/thread is not bound */ 107 #define PBIND_QUERY -2 /* don't set, just return the binding */ 108 109 /* 110 * User-level system call interface prototypes 111 */ 112 #ifndef _KERNEL 113 #ifdef __STDC__ 114 115 extern int p_online(processorid_t processorid, int flag); 116 extern int processor_info(processorid_t processorid, 117 processor_info_t *infop); 118 extern int processor_bind(idtype_t idtype, id_t id, 119 processorid_t processorid, processorid_t *obind); 120 extern processorid_t getcpuid(void); 121 extern lgrpid_t gethomelgroup(void); 122 123 #else 124 125 extern int p_online(); 126 extern int processor_info(); 127 extern int processor_bind(); 128 extern processorid_t getcpuid(); 129 extern lgrpid_t gethomelgroup(); 130 131 #endif /* __STDC__ */ 132 133 #else /* _KERNEL */ 134 135 /* 136 * Internal interface prototypes 137 */ 138 extern int p_online_internal(processorid_t, int, int *); 139 140 #endif /* !_KERNEL */ 141 142 #ifdef __cplusplus 143 } 144 #endif 145 146 #endif /* _SYS_PROCESSOR_H */ 147