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 * 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_IA_H 33 #define _SYS_IA_H 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #include <sys/types.h> 38 #include <sys/thread.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #define dcmn_err if (ia_debug) cmn_err 45 #define IA_OFF_QUANTUM 1 46 #define IA_OFF_PRIORITY 20 47 #define iaumdpri (iapp->ia_umdpri) 48 #define iamedumdpri (ia_maxumdpri >> 1) 49 50 /* 51 * interactive dispatcher parameter table entry 52 */ 53 typedef struct iadpent { 54 pri_t ia_globpri; /* global (class independent) priority */ 55 long ia_quantum; /* time quantum given to procs at this level */ 56 pri_t ia_tqexp; /* ia_umdpri assigned when proc at this level */ 57 /* exceeds its time quantum */ 58 pri_t ia_slpret; /* ia_umdpri assigned when proc at this level */ 59 /* returns to user mode after sleeping */ 60 short ia_maxwait; /* bumped to ia_lwait if more than ia_maxwait */ 61 /* secs elapse before receiving full quantum */ 62 short ia_lwait; /* ia_umdpri assigned if ia_dispwait exceeds */ 63 /* ia_maxwait */ 64 } iadpent_t; 65 66 67 /* 68 * time-sharing class specific thread structure 69 */ 70 typedef struct iaproc { 71 long ia_timeleft; /* time remaining in procs quantum */ 72 pri_t ia_cpupri; /* system controlled component of ia_umdpri */ 73 pri_t ia_uprilim; /* user priority limit */ 74 pri_t ia_upri; /* user priority */ 75 pri_t ia_umdpri; /* user mode priority within ia class */ 76 char ia_nice; /* nice value for compatibility */ 77 unsigned char ia_flags; /* flags defined below */ 78 short ia_dispwait; /* number of wall clock seconds since start */ 79 /* of quantum (not reset upon preemption */ 80 kthread_t *ia_tp; /* pointer to thread */ 81 int *ia_pstatp; /* pointer to p_stat */ 82 pri_t *ia_pprip; /* pointer to t_pri */ 83 uint_t *ia_pflagp; /* pointer to p_flag */ 84 struct iaproc *ia_next; /* link to next iaproc on list */ 85 struct iaproc *ia_prev; /* link to previous iaproc on list */ 86 int ia_mode; /* interactive on/off */ 87 } iaproc_t; 88 89 90 /* flags */ 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