processor.h revision 5cff782560a1c3cf913ba5574a5123a299f3315e
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
* All Rights Reserved
*
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_PROCESSOR_H
#define _SYS_PROCESSOR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Definitions for p_online, processor_info & lgrp system calls.
*/
/*
* Type for an lgrpid
*/
/*
* Type for processor name (CPU number).
*/
typedef int processorid_t;
typedef int chipid_t;
/*
* Flags and return values for p_online(2), and pi_state for processor_info(2).
* These flags are *not* for in-kernel examination of CPU states.
*/
/*
* String names for processor states defined above.
*/
#define PS_OFFLINE "off-line"
#define PS_ONLINE "on-line"
#define PS_FAULTED "faulted"
#define PS_POWEROFF "powered-off"
#define PS_NOINTR "no-intr"
#define PS_SPARE "spare"
/*
* Structure filled in by processor_info(2).
*
* The string fields are guaranteed to contain a NULL.
*
* The pi_fputypes field contains a (possibly empty) comma-separated
* list of floating point identifier strings.
*/
typedef struct {
int pi_state; /* processor state, see above */
int pi_clock; /* CPU clock freq in MHz */
char *pi_supp_freqs; /* supported freqs in Hz */
/*
* Binding values for processor_bind(2)
*/
/*
* User-level system call interface prototypes
*/
#ifndef _KERNEL
#ifdef __STDC__
extern processorid_t getcpuid(void);
extern lgrpid_t gethomelgroup(void);
#else
extern int p_online();
extern int processor_info();
extern int processor_bind();
extern processorid_t getcpuid();
extern lgrpid_t gethomelgroup();
#endif /* __STDC__ */
#else /* _KERNEL */
/*
* Internal interface prototypes
*/
extern int p_online_internal(processorid_t, int, int *);
#endif /* !_KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PROCESSOR_H */