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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 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 */