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 #include <sys/types.h> 36 #include <sys/procset.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * Definitions for p_online, processor_info & lgrp system calls. 44 */ 45 46 /* 47 * Type for an lgrpid 48 */ 49 typedef uint16_t lgrpid_t; 50 51 /* 52 * Type for processor name (CPU number). 53 */ 54 typedef int processorid_t; 55 typedef int chipid_t; 56 57 /* 58 * Flags and return values for p_online(2), and pi_state for processor_info(2). 59 * These flags are *not* for in-kernel examination of CPU states. 60 * See <sys/cpuvar.h> for appropriate informational functions. 61 */ 62 #define P_OFFLINE 0x0001 /* processor is offline, as quiet as possible */ 63 #define P_ONLINE 0x0002 /* processor is online */ 64 #define P_STATUS 0x0003 /* value passed to p_online to request status */ 65 #define P_FAULTED 0x0004 /* processor is offline, in faulted state */ 66 #define P_POWEROFF 0x0005 /* processor is powered off */ 67 #define P_NOINTR 0x0006 /* processor is online, but no I/O interrupts */ 68 #define P_SPARE 0x0007 /* processor is offline, can be reactivated */ 69 #define P_BAD P_FAULTED /* unused but defined by USL */ 70 #define P_FORCED 0x10000000 /* force processor offline */ 71 72 /* 73 * String names for processor states defined above. 74 */ 75 #define PS_OFFLINE "off-line" 76 #define PS_ONLINE "on-line" 77 #define PS_FAULTED "faulted" 78 #define PS_POWEROFF "powered-off" 79 #define PS_NOINTR "no-intr" 80 #define PS_SPARE "spare" 81 82 /* 83 * Structure filled in by processor_info(2). This structure 84 * SHOULD NOT BE MODIFIED. Changes to the structure would 85 * negate ABI compatibility. 86 * 87 * The string fields are guaranteed to contain a NULL. 88 * 89 * The pi_fputypes field contains a (possibly empty) comma-separated 90 * list of floating point identifier strings. 91 */ 92 #define PI_TYPELEN 16 /* max size of CPU type string */ 93 #define PI_FPUTYPE 32 /* max size of FPU types string */ 94 95 typedef struct { 96 int pi_state; /* processor state, see above */ 97 char pi_processor_type[PI_TYPELEN]; /* ASCII CPU type */ 98 char pi_fputypes[PI_FPUTYPE]; /* ASCII FPU types */ 99 int pi_clock; /* CPU clock freq in MHz */ 100 } processor_info_t; 101 102 /* 103 * Binding values for processor_bind(2) 104 */ 105 #define PBIND_NONE -1 /* LWP/thread is not bound */ 106 #define PBIND_QUERY -2 /* don't set, just return the binding */ 107 #define PBIND_HARD -3 /* prevents offlining CPU (default) */ 108 #define PBIND_SOFT -4 /* allows offlining CPU */ 109 #define PBIND_QUERY_TYPE -5 /* Return binding type */ 110 111 /* 112 * User-level system call interface prototypes 113 */ 114 #ifndef _KERNEL 115 #ifdef __STDC__ 116 117 extern int p_online(processorid_t processorid, int flag); 118 extern int processor_info(processorid_t processorid, 119 processor_info_t *infop); 120 extern int processor_bind(idtype_t idtype, id_t id, 121 processorid_t processorid, processorid_t *obind); 122 extern processorid_t getcpuid(void); 123 extern lgrpid_t gethomelgroup(void); 124 125 #else 126 127 extern int p_online(); 128 extern int processor_info(); 129 extern int processor_bind(); 130 extern processorid_t getcpuid(); 131 extern lgrpid_t gethomelgroup(); 132 133 #endif /* __STDC__ */ 134 135 #else /* _KERNEL */ 136 137 /* 138 * Internal interface prototypes 139 */ 140 extern int p_online_internal(processorid_t, int, int *); 141 extern int p_online_internal_locked(processorid_t, int, int *); 142 143 #endif /* !_KERNEL */ 144 145 #ifdef __cplusplus 146 } 147 #endif 148 149 #endif /* _SYS_PROCESSOR_H */ 150