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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1997-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30
31#ifndef _SYS_IA_H
32#define	_SYS_IA_H
33
34#pragma ident	"%Z%%M%	%I%	%E% SMI"
35
36#include <sys/types.h>
37#include <sys/thread.h>
38
39#ifdef	__cplusplus
40extern "C" {
41#endif
42
43#define	dcmn_err	if (ia_debug) cmn_err
44#define	IA_OFF_QUANTUM	1
45#define	IA_OFF_PRIORITY	20
46#define	iaumdpri	(iapp->ia_umdpri)
47#define	iamedumdpri	(ia_maxumdpri >> 1)
48
49/*
50 * interactive dispatcher parameter table entry
51 */
52typedef struct iadpent {
53	pri_t	ia_globpri;	/* global (class independent) priority */
54	long	ia_quantum;	/* time quantum given to procs at this level */
55	pri_t	ia_tqexp;	/* ia_umdpri assigned when proc at this level */
56				/*   exceeds its time quantum */
57	pri_t	ia_slpret;	/* ia_umdpri assigned when proc at this level */
58				/*  returns to user mode after sleeping */
59	short	ia_maxwait;	/* bumped to ia_lwait if more than ia_maxwait */
60				/*  secs elapse before receiving full quantum */
61	short	ia_lwait;	/* ia_umdpri assigned if ia_dispwait exceeds  */
62				/*  ia_maxwait */
63} iadpent_t;
64
65
66/*
67 * time-sharing class specific thread structure
68 */
69typedef struct iaproc {
70	long	ia_timeleft;	/* time remaining in procs quantum */
71	pri_t	ia_cpupri;	/* system controlled component of ia_umdpri */
72	pri_t	ia_uprilim;	/* user priority limit */
73	pri_t	ia_upri;	/* user priority */
74	pri_t	ia_umdpri;	/* user mode priority within ia class */
75	char	ia_nice;	/* nice value for compatibility */
76	unsigned char ia_flags;	/* flags defined below */
77	short	ia_dispwait;	/* number of wall clock seconds since start */
78				/*   of quantum (not reset upon preemption */
79	kthread_t *ia_tp;	/* pointer to thread */
80	int	*ia_pstatp;	/* pointer to p_stat */
81	pri_t	*ia_pprip;	/* pointer to t_pri */
82	uint_t	*ia_pflagp;	/* pointer to p_flag */
83	struct iaproc *ia_next;	/* link to next iaproc on list */
84	struct iaproc *ia_prev;	/* link to previous iaproc on list */
85	int	ia_mode;	/* interactive on/off */
86} iaproc_t;
87
88
89/* flags */
90#define	IAKPRI	0x01	/* thread at kernel mode priority */
91#define	IABACKQ	0x02	/* thread goes to back of disp q when preempted */
92#define	IASLEPT	0x04	/* thread had long-term suspend - give new slice */
93
94
95#ifdef	__cplusplus
96}
97#endif
98
99#endif	/* _SYS_IA_H */
100