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 * Copyright 2019 Joyent, Inc.
26 */
27
28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
29 /* All Rights Reserved */
30
31
32 #ifndef _SYS_TS_H
33 #define _SYS_TS_H
34
35 #include <sys/types.h>
36 #include <sys/thread.h>
37 #include <sys/cpucaps.h>
38
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42
43 /*
44 * time-sharing dispatcher parameter table entry
45 */
46 typedef struct tsdpent {
47 pri_t ts_globpri; /* global (class independent) priority */
48 int ts_quantum; /* time quantum given to procs at this level */
49 pri_t ts_tqexp; /* ts_umdpri assigned when proc at this level */
50 /* exceeds its time quantum */
51 pri_t ts_slpret; /* ts_umdpri assigned when proc at this level */
52 /* returns to user mode after sleeping */
53 short ts_maxwait; /* bumped to ts_lwait if more than ts_maxwait */
54 /* secs elapse before receiving full quantum */
55 short ts_lwait; /* ts_umdpri assigned if ts_dispwait exceeds */
56 /* ts_maxwait */
57 } tsdpent_t;
58
59 #ifdef _KERNEL
60 /*
61 * time-sharing class specific thread structure
62 */
63 typedef struct tsproc {
64 int ts_timeleft; /* time remaining in procs quantum */
65 uint_t ts_dispwait; /* wall clock seconds since start */
66 /* of quantum (not reset upon preempt) */
67 pri_t ts_cpupri; /* system controlled component of ts_umdpri */
68 pri_t ts_uprilim; /* user priority limit */
69 pri_t ts_upri; /* user priority */
70 pri_t ts_umdpri; /* user mode priority within ts class */
71 pri_t ts_scpri; /* remembered priority, for schedctl */
72 char ts_nice; /* nice value for compatibility */
73 char ts_boost; /* interactive priority offset */
74 uchar_t ts_flags; /* flags defined below */
75 kthread_t *ts_tp; /* pointer to thread */
76 struct tsproc *ts_next; /* link to next tsproc on list */
77 struct tsproc *ts_prev; /* link to previous tsproc on list */
78 caps_sc_t ts_caps; /* CPU caps specific data */
79 } tsproc_t;
80
81 /* flags */
82
83 /* Formerly: TSKPRI 0x01 - thread at kernel mode priority */
84 #define TSBACKQ 0x02 /* thread goes to back of dispq if preempted */
85 #define TSIA 0x04 /* thread is interactive */
86 #define TSIASET 0x08 /* interactive thread is "on" */
87 #define TSIANICED 0x10 /* interactive thread has been niced */
88 #define TSRESTORE 0x20 /* thread was not preempted, due to schedctl */
89 /* restore priority from ts_scpri */
90
91 #endif /* _KERNEL */
92
93 #ifdef __cplusplus
94 }
95 #endif
96
97 #endif /* _SYS_TS_H */