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 2014 Garrett D'Amore <garrett@damore.org> 24 * 25 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 30 /* All Rights Reserved */ 31 32 #ifndef _SYS_PRIOCNTL_H 33 #define _SYS_PRIOCNTL_H 34 35 #include <sys/types.h> 36 #include <sys/procset.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #define PC_VERSION 1 /* First version of priocntl */ 43 44 extern long priocntl(idtype_t, id_t, int, ...); 45 extern long priocntlset(procset_t *, int, ...); 46 47 /* 48 * The following are the possible values of the command 49 * argument for the priocntl system call. 50 */ 51 52 #define PC_GETCID 0 /* Get class ID */ 53 #define PC_GETCLINFO 1 /* Get info about a configured class */ 54 #define PC_SETPARMS 2 /* Set scheduling parameters */ 55 #define PC_GETPARMS 3 /* Get scheduling parameters */ 56 #define PC_ADMIN 4 /* Scheduler administration (used by */ 57 /* dispadmin(8), not for general use) */ 58 #define PC_GETPRIRANGE 5 /* Get priority range for a class */ 59 /* posix.4 scheduling, not for general use */ 60 #define PC_DONICE 6 /* Set or get nice value */ 61 #define PC_SETXPARMS 7 /* Set extended scheduling parameters */ 62 #define PC_GETXPARMS 8 /* Get extended scheduling parameters */ 63 #define PC_SETDFLCL 9 /* Set default class, not for general use */ 64 #define PC_GETDFLCL 10 /* Get default class, not for general use */ 65 #define PC_DOPRIO 11 /* Set or get priority, not for general use */ 66 67 #define PC_CLNULL -1 68 69 #define PC_CLNMSZ 16 70 #define PC_CLINFOSZ (32 / sizeof (int)) 71 #define PC_CLPARMSZ (32 / sizeof (int)) 72 73 #define PC_GETNICE 0 74 #define PC_SETNICE 1 75 76 #define PC_GETPRIO 0 77 #define PC_SETPRIO 1 78 79 typedef struct pcinfo { 80 id_t pc_cid; /* class id */ 81 char pc_clname[PC_CLNMSZ]; /* class name */ 82 int pc_clinfo[PC_CLINFOSZ]; /* class information */ 83 } pcinfo_t; 84 85 typedef struct pcparms { 86 id_t pc_cid; /* process class */ 87 int pc_clparms[PC_CLPARMSZ]; /* class specific parameters */ 88 } pcparms_t; 89 90 typedef struct pcnice { 91 int pc_val; /* nice value */ 92 int pc_op; /* type of operation, set or get */ 93 } pcnice_t; 94 95 typedef struct pcprio { 96 int pc_op; /* type of operation, set or get */ 97 id_t pc_cid; /* class id */ 98 int pc_val; /* priority value */ 99 } pcprio_t; 100 101 /* 102 * The following is used by the priocntl(2) varargs interface (command 103 * codes: PC_SETXPARMS and PC_GETXPARMS). 104 */ 105 106 #define PC_VAPARMCNT 8 /* maximal number of (key, value) pairs */ 107 #define PC_KY_NULL 0 /* terminates the (key, value) pair chain */ 108 #define PC_KY_CLNAME 1 /* get the class name of a process or LWP. */ 109 110 typedef struct pc_vaparm { 111 int pc_key; /* describing key */ 112 u_longlong_t pc_parm; /* associated parameter */ 113 } pc_vaparm_t; 114 115 typedef struct pc_vaparms { 116 uint_t pc_vaparmscnt; /* # of (key, value) pairs */ 117 pc_vaparm_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */ 118 } pc_vaparms_t; 119 120 #if defined(_SYSCALL32) && \ 121 _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 122 123 /* 124 * These structures are needed by the 64-bit kernel on certain architectures 125 * to translate pc_vaparms_t/pc_vaparm_t data structures from 32-bit userland. 126 */ 127 #pragma pack(4) 128 129 typedef struct { 130 int32_t pc_key; /* describing key */ 131 uint64_t pc_parm; /* associated parameter */ 132 } pc_vaparm32_t; 133 134 #pragma pack() 135 136 typedef struct { 137 uint32_t pc_vaparmscnt; /* # of (key, value) pairs */ 138 pc_vaparm32_t pc_parms[PC_VAPARMCNT]; /* parameter buffer */ 139 } pc_vaparms32_t; 140 141 #endif /* _SYSCALL32 && ... */ 142 143 /* 144 * The following is used by libc for posix.4 145 * scheduler interfaces and is not for general use. 146 */ 147 148 typedef struct pcpri { 149 id_t pc_cid; /* process class */ 150 pri_t pc_clpmax; /* class priority max */ 151 pri_t pc_clpmin; /* class priority min */ 152 } pcpri_t; 153 154 /* 155 * The following is used by the dispadmin(8) command for 156 * scheduler administration and is not for general use. 157 */ 158 159 #ifdef _SYSCALL32 160 /* Data structure for ILP32 clients */ 161 typedef struct pcadmin32 { 162 id32_t pc_cid; 163 caddr32_t pc_cladmin; 164 } pcadmin32_t; 165 #endif /* _SYSCALL32 */ 166 167 typedef struct pcadmin { 168 id_t pc_cid; 169 caddr_t pc_cladmin; 170 } pcadmin_t; 171 172 #ifdef __cplusplus 173 } 174 #endif 175 176 #endif /* _SYS_PRIOCNTL_H */ 177