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/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2019 Joyent, Inc.
*/
#ifndef _SYS_PROCESSOR_H
#define _SYS_PROCESSOR_H
#include <sys/types.h>
#include <sys/procset.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Definitions for p_online, processor_info & lgrp system calls.
*/
/*
* Type for an lgrpid
*/
typedef uint16_t lgrpid_t;
/*
* 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.
* See <sys/cpuvar.h> for appropriate informational functions.
*/
#define P_OFFLINE 0x0001 /* processor is offline, as quiet as possible */
#define P_ONLINE 0x0002 /* processor is online */
#define P_STATUS 0x0003 /* value passed to p_online to request status */
#define P_FAULTED 0x0004 /* processor is offline, in faulted state */
#define P_POWEROFF 0x0005 /* processor is powered off */
#define P_NOINTR 0x0006 /* processor is online, but no I/O interrupts */
#define P_SPARE 0x0007 /* processor is offline, can be reactivated */
#define P_DISABLED 0x0008 /* processor is explicitly disabled for use */
#define P_BAD P_FAULTED /* unused but defined by USL */
#define P_FORCED 0x10000000 /* force processor offline */
/*
* 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"
#define PS_DISABLED "disabled"
/*
* Structure filled in by processor_info(2). This structure
* SHOULD NOT BE MODIFIED. Changes to the structure would
* negate ABI compatibility.
*
* 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.
*/
#define PI_TYPELEN 16 /* max size of CPU type string */
#define PI_FPUTYPE 32 /* max size of FPU types string */
typedef struct {
int pi_state; /* processor state, see above */
char pi_processor_type[PI_TYPELEN]; /* ASCII CPU type */
char pi_fputypes[PI_FPUTYPE]; /* ASCII FPU types */
int pi_clock; /* CPU clock freq in MHz */
} processor_info_t;
/*
* Binding values for processor_bind(2)
*/
#define PBIND_NONE -1 /* LWP/thread is not bound */
#define PBIND_QUERY -2 /* don't set, just return the binding */
#define PBIND_HARD -3 /* prevents offlining CPU (default) */
#define PBIND_SOFT -4 /* allows offlining CPU */
#define PBIND_QUERY_TYPE -5 /* Return binding type */
/*
* Sentinel values for p_online(2)
*/
#define P_ALL_SIBLINGS (-1)
/*
* User-level system call interface prototypes
*/
#ifndef _KERNEL
extern int p_online(processorid_t processorid, int flag);
extern int processor_info(processorid_t processorid,
processor_info_t *infop);
extern int processor_bind(idtype_t idtype, id_t id,
processorid_t processorid, processorid_t *obind);
extern processorid_t getcpuid(void);
extern lgrpid_t gethomelgroup(void);
#else /* _KERNEL */
/*
* Internal interface prototypes
*/
extern int p_online_internal(processorid_t, int, int *);
extern int p_online_internal_locked(processorid_t, int, int *);
#endif /* !_KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PROCESSOR_H */
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