diff options
Diffstat (limited to 'uts/common/sys/processor.h')
| -rw-r--r-- | uts/common/sys/processor.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/uts/common/sys/processor.h b/uts/common/sys/processor.h new file mode 100644 index 000000000000..c0fe6e21b85f --- /dev/null +++ b/uts/common/sys/processor.h @@ -0,0 +1,149 @@ +/* + * 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 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#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_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" + +/* + * 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 */ + +/* + * User-level system call interface prototypes + */ +#ifndef _KERNEL +#ifdef __STDC__ + +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 + +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 *); +extern int p_online_internal_locked(processorid_t, int, int *); + +#endif /* !_KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_PROCESSOR_H */ |