xref: /onnv-gate/usr/src/uts/common/sys/ts.h (revision 3792:57ba782523b7)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*3792Sakolb  * Common Development and Distribution License (the "License").
6*3792Sakolb  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
21951Sraf 
220Sstevel@tonic-gate /*
23*3792Sakolb  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24951Sraf  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
280Sstevel@tonic-gate /*	  All Rights Reserved  	*/
290Sstevel@tonic-gate 
300Sstevel@tonic-gate 
310Sstevel@tonic-gate #ifndef _SYS_TS_H
320Sstevel@tonic-gate #define	_SYS_TS_H
330Sstevel@tonic-gate 
340Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.5 */
350Sstevel@tonic-gate 
360Sstevel@tonic-gate #include <sys/types.h>
370Sstevel@tonic-gate #include <sys/thread.h>
38*3792Sakolb #include <sys/cpucaps.h>
390Sstevel@tonic-gate 
400Sstevel@tonic-gate #ifdef	__cplusplus
410Sstevel@tonic-gate extern "C" {
420Sstevel@tonic-gate #endif
430Sstevel@tonic-gate 
440Sstevel@tonic-gate /*
450Sstevel@tonic-gate  * time-sharing dispatcher parameter table entry
460Sstevel@tonic-gate  */
470Sstevel@tonic-gate typedef struct tsdpent {
480Sstevel@tonic-gate 	pri_t	ts_globpri;	/* global (class independent) priority */
490Sstevel@tonic-gate 	int	ts_quantum;	/* time quantum given to procs at this level */
500Sstevel@tonic-gate 	pri_t	ts_tqexp;	/* ts_umdpri assigned when proc at this level */
510Sstevel@tonic-gate 				/*   exceeds its time quantum */
520Sstevel@tonic-gate 	pri_t	ts_slpret;	/* ts_umdpri assigned when proc at this level */
530Sstevel@tonic-gate 				/*  returns to user mode after sleeping */
540Sstevel@tonic-gate 	short	ts_maxwait;	/* bumped to ts_lwait if more than ts_maxwait */
550Sstevel@tonic-gate 				/*  secs elapse before receiving full quantum */
560Sstevel@tonic-gate 	short	ts_lwait;	/* ts_umdpri assigned if ts_dispwait exceeds  */
570Sstevel@tonic-gate 				/*  ts_maxwait */
580Sstevel@tonic-gate } tsdpent_t;
590Sstevel@tonic-gate 
60*3792Sakolb #ifdef _KERNEL
610Sstevel@tonic-gate /*
620Sstevel@tonic-gate  * time-sharing class specific thread structure
630Sstevel@tonic-gate  */
640Sstevel@tonic-gate typedef struct tsproc {
65*3792Sakolb 	int	ts_timeleft;	/* time remaining in procs quantum	*/
66*3792Sakolb 	uint_t	ts_dispwait;	/* wall clock seconds since start	*/
67*3792Sakolb 				/* of quantum (not reset upon preempt)	*/
680Sstevel@tonic-gate 	pri_t	ts_cpupri;	/* system controlled component of ts_umdpri */
69*3792Sakolb 	pri_t	ts_uprilim;	/* user priority limit			*/
70*3792Sakolb 	pri_t	ts_upri;	/* user priority			*/
71*3792Sakolb 	pri_t	ts_umdpri;	/* user mode priority within ts class	*/
72*3792Sakolb 	pri_t	ts_scpri;	/* remembered priority, for schedctl	*/
73*3792Sakolb 	char	ts_nice;	/* nice value for compatibility		*/
74*3792Sakolb 	char	ts_boost;	/* interactive priority offset		*/
75*3792Sakolb 	uchar_t	ts_flags;	/* flags defined below			*/
76*3792Sakolb 	kthread_t *ts_tp;	/* pointer to thread			*/
77*3792Sakolb 	struct tsproc *ts_next;	/* link to next tsproc on list		*/
78*3792Sakolb 	struct tsproc *ts_prev;	/* link to previous tsproc on list	*/
79*3792Sakolb 	caps_sc_t ts_caps;	/* CPU caps specific data		*/
800Sstevel@tonic-gate } tsproc_t;
810Sstevel@tonic-gate 
82*3792Sakolb /* flags */
83*3792Sakolb #define	TSKPRI		0x01	/* thread at kernel mode priority	*/
84*3792Sakolb #define	TSBACKQ		0x02	/* thread goes to back of dispq if preempted */
85*3792Sakolb #define	TSIA		0x04	/* thread is interactive		*/
86*3792Sakolb #define	TSIASET		0x08	/* interactive thread is "on"		*/
87*3792Sakolb #define	TSIANICED	0x10	/* interactive thread has been niced	*/
88*3792Sakolb #define	TSRESTORE	0x20	/* thread was not preempted, due to schedctl */
89*3792Sakolb 				/* restore priority from ts_scpri	*/
900Sstevel@tonic-gate 
91*3792Sakolb #endif /* _KERNEL */
920Sstevel@tonic-gate 
930Sstevel@tonic-gate #ifdef	__cplusplus
940Sstevel@tonic-gate }
950Sstevel@tonic-gate #endif
960Sstevel@tonic-gate 
970Sstevel@tonic-gate #endif	/* _SYS_TS_H */
98