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 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30
31 #ifndef _SYS_TS_H
32 #define _SYS_TS_H
33
34 #include <sys/types.h>
35 #include <sys/thread.h>
36 #include <sys/cpucaps.h>
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 /*
43 * time-sharing dispatcher parameter table entry
44 */
45 typedef struct tsdpent {
46 pri_t ts_globpri; /* global (class independent) priority */
47 int ts_quantum; /* time quantum given to procs at this level */
48 pri_t ts_tqexp; /* ts_umdpri assigned when proc at this level */
49 /* exceeds its time quantum */
50 pri_t ts_slpret; /* ts_umdpri assigned when proc at this level */
51 /* returns to user mode after sleeping */
52 short ts_maxwait; /* bumped to ts_lwait if more than ts_maxwait */
53 /* secs elapse before receiving full quantum */
54 short ts_lwait; /* ts_umdpri assigned if ts_dispwait exceeds */
55 /* ts_maxwait */
56 } tsdpent_t;
57
58 #ifdef _KERNEL
59 /*
60 * time-sharing class specific thread structure
61 */
62 typedef struct tsproc {
63 int ts_timeleft; /* time remaining in procs quantum */
64 uint_t ts_dispwait; /* wall clock seconds since start */
65 /* of quantum (not reset upon preempt) */
66 pri_t ts_cpupri; /* system controlled component of ts_umdpri */
67 pri_t ts_uprilim; /* user priority limit */
68 pri_t ts_upri; /* user priority */
69 pri_t ts_umdpri; /* user mode priority within ts class */
70 pri_t ts_scpri; /* remembered priority, for schedctl */
71 char ts_nice; /* nice value for compatibility */
72 char ts_boost; /* interactive priority offset */
73 uchar_t ts_flags; /* flags defined below */
74 kthread_t *ts_tp; /* pointer to thread */
75 struct tsproc *ts_next; /* link to next tsproc on list */
76 struct tsproc *ts_prev; /* link to previous tsproc on list */
77 caps_sc_t ts_caps; /* CPU caps specific data */
78 } tsproc_t;
79
80 /* flags */
81 #define TSKPRI 0x01 /* thread at kernel mode priority */
82 #define TSBACKQ 0x02 /* thread goes to back of dispq if preempted */
83 #define TSIA 0x04 /* thread is interactive */
84 #define TSIASET 0x08 /* interactive thread is "on" */
85 #define TSIANICED 0x10 /* interactive thread has been niced */
86 #define TSRESTORE 0x20 /* thread was not preempted, due to schedctl */
87 /* restore priority from ts_scpri */
88
89 #endif /* _KERNEL */
90
91 #ifdef __cplusplus
92 }
93 #endif
94
95 #endif /* _SYS_TS_H */