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
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.
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]
23 * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
29 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
30 * Use is subject to license terms.
33 #ifndef _SYS_PROCESSOR_H
34 #define _SYS_PROCESSOR_H
36 #pragma ident "%Z%%M% %I% %E% SMI"
38 #include <sys/types.h>
39 #include <sys/procset.h>
46 * Definitions for p_online, processor_info & lgrp system calls.
52 typedef uint16_t lgrpid_t;
55 * Type for processor name (CPU number).
57 typedef int processorid_t;
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.
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 */
76 * String names for processor states defined above.
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"
86 * Structure filled in by processor_info(2).
88 * The string fields are guaranteed to contain a NULL.
90 * The pi_fputypes field contains a (possibly empty) comma-separated
91 * list of floating point identifier strings.
93 #define PI_TYPELEN 16 /* max size of CPU type string */
94 #define PI_FPUTYPE 32 /* max size of FPU types string */
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 */
104 * Binding values for processor_bind(2)
106 #define PBIND_NONE -1 /* LWP/thread is not bound */
107 #define PBIND_QUERY -2 /* don't set, just return the binding */
110 * User-level system call interface prototypes
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);
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();
131 #endif /* __STDC__ */
136 * Internal interface prototypes
138 extern int p_online_internal(processorid_t, int, int *);
140 #endif /* !_KERNEL */
146 #endif /* _SYS_PROCESSOR_H */