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 2008 Sun Microsystems, Inc. All rights reserved. 29 * Use is subject to license terms. 30 */ 31 32 #ifndef _SYS_PROCESSOR_H 33 #define _SYS_PROCESSOR_H 34 35 /* #pragma ident "%Z%%M% %I% %E% SMI" */ 36 37 #include <sys/types.h> 38 #include <sys/procset.h> 39 #include <sys/pset.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 #if defined(sun) 58 typedef int processorid_t; 59 #endif 60 typedef int chipid_t; 61 62 /* 63 * Flags and return values for p_online(2), and pi_state for processor_info(2). 64 * These flags are *not* for in-kernel examination of CPU states. 65 * See <sys/cpuvar.h> for appropriate informational functions. 66 */ 67 #define P_OFFLINE 0x0001 /* processor is offline, as quiet as possible */ 68 #define P_ONLINE 0x0002 /* processor is online */ 69 #define P_STATUS 0x0003 /* value passed to p_online to request status */ 70 #define P_FAULTED 0x0004 /* processor is offline, in faulted state */ 71 #define P_POWEROFF 0x0005 /* processor is powered off */ 72 #define P_NOINTR 0x0006 /* processor is online, but no I/O interrupts */ 73 #define P_SPARE 0x0007 /* processor is offline, can be reactivated */ 74 #define P_BAD P_FAULTED /* unused but defined by USL */ 75 #define P_FORCED 0x10000000 /* force processor offline */ 76 77 /* 78 * String names for processor states defined above. 79 */ 80 #define PS_OFFLINE "off-line" 81 #define PS_ONLINE "on-line" 82 #define PS_FAULTED "faulted" 83 #define PS_POWEROFF "powered-off" 84 #define PS_NOINTR "no-intr" 85 #define PS_SPARE "spare" 86 87 /* 88 * Structure filled in by processor_info(2). This structure 89 * SHOULD NOT BE MODIFIED. Changes to the structure would 90 * negate ABI compatibility. 91 * 92 * The string fields are guaranteed to contain a NULL. 93 * 94 * The pi_fputypes field contains a (possibly empty) comma-separated 95 * list of floating point identifier strings. 96 */ 97 #define PI_TYPELEN 16 /* max size of CPU type string */ 98 #define PI_FPUTYPE 32 /* max size of FPU types string */ 99 100 typedef struct { 101 int pi_state; /* processor state, see above */ 102 char pi_processor_type[PI_TYPELEN]; /* ASCII CPU type */ 103 char pi_fputypes[PI_FPUTYPE]; /* ASCII FPU types */ 104 int pi_clock; /* CPU clock freq in MHz */ 105 } processor_info_t; 106 107 /* 108 * Binding values for processor_bind(2) 109 */ 110 #define PBIND_NONE -1 /* LWP/thread is not bound */ 111 #define PBIND_QUERY -2 /* don't set, just return the binding */ 112 #define PBIND_HARD -3 /* prevents offlining CPU (default) */ 113 #define PBIND_SOFT -4 /* allows offlining CPU */ 114 #define PBIND_QUERY_TYPE -5 /* Return binding type */ 115 116 /* 117 * User-level system call interface prototypes 118 */ 119 #ifndef _KERNEL 120 #ifdef __STDC__ 121 122 extern int p_online(processorid_t processorid, int flag); 123 extern int processor_info(processorid_t processorid, 124 processor_info_t *infop); 125 extern int processor_bind(idtype_t idtype, id_t id, 126 processorid_t processorid, processorid_t *obind); 127 extern processorid_t getcpuid(void); 128 extern lgrpid_t gethomelgroup(void); 129 130 #else 131 132 extern int p_online(); 133 extern int processor_info(); 134 extern int processor_bind(); 135 extern processorid_t getcpuid(); 136 extern lgrpid_t gethomelgroup(); 137 138 #endif /* __STDC__ */ 139 140 #else /* _KERNEL */ 141 142 /* 143 * Internal interface prototypes 144 */ 145 extern int p_online_internal(processorid_t, int, int *); 146 147 #endif /* !_KERNEL */ 148 149 #ifdef __cplusplus 150 } 151 #endif 152 153 #endif /* _SYS_PROCESSOR_H */ 154