1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include "lint.h"
28#include <sys/types.h>
29#include <sys/procset.h>
30#include <sys/processor.h>
31#include <sys/pset.h>
32#include <sys/param.h>
33#include <sys/loadavg.h>
34
35int _pset(int, ...);
36
37/* subcode wrappers for _pset system call */
38
39int
40pset_create(psetid_t *npset)
41{
42	return (_pset(PSET_CREATE, npset));
43}
44
45int
46pset_destroy(psetid_t pset)
47{
48	return (_pset(PSET_DESTROY, pset));
49}
50
51int
52pset_assign(psetid_t pset, processorid_t cpu, psetid_t *opset)
53{
54	return (_pset(PSET_ASSIGN, pset, cpu, opset));
55}
56
57int
58pset_assign_forced(psetid_t pset, processorid_t cpu, psetid_t *opset)
59{
60	return (_pset(PSET_ASSIGN_FORCED, pset, cpu, opset));
61}
62
63int
64pset_info(psetid_t pset, int *type, uint_t *numcpus, processorid_t *cpulist)
65{
66	return (_pset(PSET_INFO, pset, type, numcpus, cpulist));
67}
68
69int
70pset_bind(psetid_t pset, idtype_t idtype, id_t id, psetid_t *opset)
71{
72	return (_pset(PSET_BIND, pset, idtype, id, opset));
73}
74
75int
76pset_bind_lwp(psetid_t pset, id_t id, pid_t pid, psetid_t *opset)
77{
78	return (_pset(PSET_BIND_LWP, pset, id, pid, opset));
79}
80
81/*
82 * Get the per-processor-set load average.
83 */
84int
85pset_getloadavg(psetid_t pset, double loadavg[], int nelem)
86{
87	int i, buf[LOADAVG_NSTATS];
88
89	if (nelem > LOADAVG_NSTATS)
90		nelem = LOADAVG_NSTATS;
91
92	if (_pset(PSET_GETLOADAVG, pset, buf, nelem) == -1)
93		return (-1);
94
95	for (i = 0; i < nelem; i++)
96		loadavg[i] = (double)buf[i] / FSCALE;
97
98	return (nelem);
99}
100
101int
102pset_list(psetid_t *psetlist, uint_t *numpsets)
103{
104	return (_pset(PSET_LIST, psetlist, numpsets));
105}
106
107int
108pset_setattr(psetid_t pset, uint_t attr)
109{
110	return (_pset(PSET_SETATTR, pset, attr));
111}
112
113int
114pset_getattr(psetid_t pset, uint_t *attr)
115{
116	return (_pset(PSET_GETATTR, pset, attr));
117}
118