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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 29 /* All Rights Reserved */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <sys/proc.h> 34 #include <sys/priocntl.h> 35 #include <sys/class.h> 36 #include <sys/disp.h> 37 #include <sys/ts.h> 38 #include <sys/tspriocntl.h> 39 #include <sys/modctl.h> 40 41 /* 42 * The purpose of this file is to allow a user to make their own 43 * ts_dptbl. The contents of this file should be included in the 44 * ts_dptbl(4) man page with proper instructions for making 45 * and replacing the TS_DPTBL.kmod in modules/sched. This was the 46 * only way to provide functionality equivalent to the mkboot/cunix 47 * method in SVr4 without having the utilities mkboot/cunix in 48 * SunOS/Svr4. 49 * It is recommended that the system calls be used to change the time 50 * quantums instead of re-building the module. 51 * There are also other tunable time sharing parameters in here also 52 * that used to be in param.c 53 */ 54 55 extern int ts_dispatch_extended; 56 57 static struct modlmisc modlmisc = { 58 &mod_miscops, "Time sharing dispatch table" 59 }; 60 61 static struct modlinkage modlinkage = { 62 MODREV_1, &modlmisc, 0 63 }; 64 65 int 66 _init() 67 { 68 return (mod_install(&modlinkage)); 69 } 70 71 int 72 _info(struct modinfo *modinfop) 73 { 74 return (mod_info(&modlinkage, modinfop)); 75 } 76 77 #define TSGPUP0 0 /* Global priority for TS user priority 0 */ 78 #define TSGPKP0 60 /* Global priority for TS kernel priority 0 */ 79 80 /* 81 * array of global priorities used by ts procs sleeping or 82 * running in kernel mode after sleep 83 */ 84 85 pri_t config_ts_kmdpris[] = { 86 TSGPKP0, TSGPKP0+1, TSGPKP0+2, TSGPKP0+3, 87 TSGPKP0+4, TSGPKP0+5, TSGPKP0+6, TSGPKP0+7, 88 TSGPKP0+8, TSGPKP0+9, TSGPKP0+10, TSGPKP0+11, 89 TSGPKP0+12, TSGPKP0+13, TSGPKP0+14, TSGPKP0+15, 90 TSGPKP0+16, TSGPKP0+17, TSGPKP0+18, TSGPKP0+19, 91 TSGPKP0+20, TSGPKP0+21, TSGPKP0+22, TSGPKP0+23, 92 TSGPKP0+24, TSGPKP0+25, TSGPKP0+26, TSGPKP0+27, 93 TSGPKP0+28, TSGPKP0+29, TSGPKP0+30, TSGPKP0+31, 94 TSGPKP0+32, TSGPKP0+33, TSGPKP0+34, TSGPKP0+35, 95 TSGPKP0+36, TSGPKP0+37, TSGPKP0+38, TSGPKP0+39 96 }; 97 98 tsdpent_t config_ts_dptbl[] = { 99 100 /* glbpri qntm tqexp slprt mxwt lwt */ 101 102 TSGPUP0+0, 20, 0, 50, 0, 50, 103 TSGPUP0+1, 20, 0, 50, 0, 50, 104 TSGPUP0+2, 20, 0, 50, 0, 50, 105 TSGPUP0+3, 20, 0, 50, 0, 50, 106 TSGPUP0+4, 20, 0, 50, 0, 50, 107 TSGPUP0+5, 20, 0, 50, 0, 50, 108 TSGPUP0+6, 20, 0, 50, 0, 50, 109 TSGPUP0+7, 20, 0, 50, 0, 50, 110 TSGPUP0+8, 20, 0, 50, 0, 50, 111 TSGPUP0+9, 20, 0, 50, 0, 50, 112 TSGPUP0+10, 16, 0, 51, 0, 51, 113 TSGPUP0+11, 16, 1, 51, 0, 51, 114 TSGPUP0+12, 16, 2, 51, 0, 51, 115 TSGPUP0+13, 16, 3, 51, 0, 51, 116 TSGPUP0+14, 16, 4, 51, 0, 51, 117 TSGPUP0+15, 16, 5, 51, 0, 51, 118 TSGPUP0+16, 16, 6, 51, 0, 51, 119 TSGPUP0+17, 16, 7, 51, 0, 51, 120 TSGPUP0+18, 16, 8, 51, 0, 51, 121 TSGPUP0+19, 16, 9, 51, 0, 51, 122 TSGPUP0+20, 12, 10, 52, 0, 52, 123 TSGPUP0+21, 12, 11, 52, 0, 52, 124 TSGPUP0+22, 12, 12, 52, 0, 52, 125 TSGPUP0+23, 12, 13, 52, 0, 52, 126 TSGPUP0+24, 12, 14, 52, 0, 52, 127 TSGPUP0+25, 12, 15, 52, 0, 52, 128 TSGPUP0+26, 12, 16, 52, 0, 52, 129 TSGPUP0+27, 12, 17, 52, 0, 52, 130 TSGPUP0+28, 12, 18, 52, 0, 52, 131 TSGPUP0+29, 12, 19, 52, 0, 52, 132 TSGPUP0+30, 8, 20, 53, 0, 53, 133 TSGPUP0+31, 8, 21, 53, 0, 53, 134 TSGPUP0+32, 8, 22, 53, 0, 53, 135 TSGPUP0+33, 8, 23, 53, 0, 53, 136 TSGPUP0+34, 8, 24, 53, 0, 53, 137 TSGPUP0+35, 8, 25, 54, 0, 54, 138 TSGPUP0+36, 8, 26, 54, 0, 54, 139 TSGPUP0+37, 8, 27, 54, 0, 54, 140 TSGPUP0+38, 8, 28, 54, 0, 54, 141 TSGPUP0+39, 8, 29, 54, 0, 54, 142 TSGPUP0+40, 4, 30, 55, 0, 55, 143 TSGPUP0+41, 4, 31, 55, 0, 55, 144 TSGPUP0+42, 4, 32, 55, 0, 55, 145 TSGPUP0+43, 4, 33, 55, 0, 55, 146 TSGPUP0+44, 4, 34, 55, 0, 55, 147 TSGPUP0+45, 4, 35, 56, 0, 56, 148 TSGPUP0+46, 4, 36, 57, 0, 57, 149 TSGPUP0+47, 4, 37, 58, 0, 58, 150 TSGPUP0+48, 4, 38, 58, 0, 58, 151 TSGPUP0+49, 4, 39, 58, 0, 59, 152 TSGPUP0+50, 4, 40, 58, 0, 59, 153 TSGPUP0+51, 4, 41, 58, 0, 59, 154 TSGPUP0+52, 4, 42, 58, 0, 59, 155 TSGPUP0+53, 4, 43, 58, 0, 59, 156 TSGPUP0+54, 4, 44, 58, 0, 59, 157 TSGPUP0+55, 4, 45, 58, 0, 59, 158 TSGPUP0+56, 4, 46, 58, 0, 59, 159 TSGPUP0+57, 4, 47, 58, 0, 59, 160 TSGPUP0+58, 4, 48, 58, 0, 59, 161 TSGPUP0+59, 2, 49, 59, 32000, 59 162 }; 163 164 /* 165 * config_ts_dptbl_server[] is an alternate dispatch table that may 166 * deliver better performance on large server configurations. 167 * This table must be the same size as the default table, config_ts_dptbl. 168 */ 169 tsdpent_t config_ts_dptbl_server[] = { 170 171 /* glbpri qntm tqexp slprt mxwt lwt */ 172 173 TSGPUP0+0, 40, 0, 1, 2, 40, 174 TSGPUP0+1, 38, 0, 2, 2, 40, 175 TSGPUP0+2, 38, 1, 3, 2, 40, 176 TSGPUP0+3, 38, 1, 4, 2, 40, 177 TSGPUP0+4, 38, 2, 5, 2, 40, 178 TSGPUP0+5, 38, 2, 6, 2, 40, 179 TSGPUP0+6, 38, 3, 7, 2, 40, 180 TSGPUP0+7, 38, 3, 8, 2, 40, 181 TSGPUP0+8, 38, 4, 9, 2, 40, 182 TSGPUP0+9, 38, 4, 10, 2, 40, 183 TSGPUP0+10, 38, 5, 11, 2, 40, 184 TSGPUP0+11, 38, 5, 12, 2, 40, 185 TSGPUP0+12, 38, 6, 13, 2, 40, 186 TSGPUP0+13, 38, 6, 14, 2, 40, 187 TSGPUP0+14, 38, 7, 15, 2, 40, 188 TSGPUP0+15, 38, 7, 16, 2, 40, 189 TSGPUP0+16, 38, 8, 17, 2, 40, 190 TSGPUP0+17, 38, 8, 18, 2, 40, 191 TSGPUP0+18, 38, 9, 19, 2, 40, 192 TSGPUP0+19, 38, 9, 20, 2, 40, 193 TSGPUP0+20, 36, 10, 21, 2, 40, 194 TSGPUP0+21, 36, 11, 22, 2, 40, 195 TSGPUP0+22, 36, 12, 23, 2, 40, 196 TSGPUP0+23, 36, 13, 24, 2, 40, 197 TSGPUP0+24, 36, 14, 25, 2, 40, 198 TSGPUP0+25, 36, 15, 26, 2, 40, 199 TSGPUP0+26, 36, 16, 27, 2, 40, 200 TSGPUP0+27, 36, 17, 28, 2, 40, 201 TSGPUP0+28, 36, 18, 29, 2, 40, 202 TSGPUP0+29, 36, 19, 30, 2, 40, 203 TSGPUP0+30, 36, 20, 31, 2, 40, 204 TSGPUP0+31, 36, 21, 32, 2, 40, 205 TSGPUP0+32, 36, 22, 33, 2, 40, 206 TSGPUP0+33, 36, 23, 34, 2, 40, 207 TSGPUP0+34, 36, 24, 35, 2, 40, 208 TSGPUP0+35, 36, 25, 36, 2, 40, 209 TSGPUP0+36, 36, 26, 37, 2, 40, 210 TSGPUP0+37, 36, 27, 38, 2, 40, 211 TSGPUP0+38, 36, 28, 39, 2, 40, 212 TSGPUP0+39, 36, 29, 40, 2, 40, 213 TSGPUP0+40, 36, 30, 41, 2, 41, 214 TSGPUP0+41, 34, 31, 42, 2, 42, 215 TSGPUP0+42, 34, 32, 43, 2, 43, 216 TSGPUP0+43, 34, 33, 44, 2, 44, 217 TSGPUP0+44, 34, 34, 45, 2, 45, 218 TSGPUP0+45, 34, 35, 46, 2, 46, 219 TSGPUP0+46, 34, 36, 47, 2, 47, 220 TSGPUP0+47, 34, 37, 48, 2, 48, 221 TSGPUP0+48, 34, 38, 49, 2, 49, 222 TSGPUP0+49, 34, 39, 50, 2, 50, 223 TSGPUP0+50, 34, 40, 51, 2, 51, 224 TSGPUP0+51, 34, 41, 52, 2, 52, 225 TSGPUP0+52, 34, 42, 53, 2, 53, 226 TSGPUP0+53, 34, 43, 54, 2, 54, 227 TSGPUP0+54, 34, 44, 55, 2, 55, 228 TSGPUP0+55, 34, 45, 56, 2, 56, 229 TSGPUP0+56, 34, 46, 57, 2, 57, 230 TSGPUP0+57, 34, 47, 58, 2, 58, 231 TSGPUP0+58, 34, 48, 59, 2, 59, 232 TSGPUP0+59, 34, 49, 59, 2, 59 233 }; 234 235 236 237 pri_t config_ts_maxumdpri = sizeof (config_ts_dptbl) / sizeof (tsdpent_t) - 1; 238 239 /* 240 * Return the address of config_ts_dptbl 241 */ 242 tsdpent_t * 243 ts_getdptbl() 244 { 245 /* 246 * If ts_dispatch_extended is -1, set it to 0x0 247 * to choose the default TS table. 248 */ 249 if (ts_dispatch_extended == -1) 250 ts_dispatch_extended = 0; 251 252 /* 253 * If ts_dispatch_extended is non-zero, use the 254 * "large server style" TS dispatch table. 255 */ 256 if (ts_dispatch_extended) 257 return (config_ts_dptbl_server); 258 else 259 return (config_ts_dptbl); 260 } 261 262 /* 263 * Return the address of config_ts_kmdpris 264 */ 265 pri_t * 266 ts_getkmdpris() 267 { 268 return (config_ts_kmdpris); 269 } 270 271 /* 272 * Return the address of ts_maxumdpri 273 */ 274 pri_t 275 ts_getmaxumdpri() 276 { 277 /* 278 * The config_ts_dptbl_server table must be the same size as 279 * the config_ts_dptbl table. 280 */ 281 /*LINTED*/ 282 ASSERT(sizeof (config_ts_dptbl) == sizeof (config_ts_dptbl_server)); 283 return (config_ts_maxumdpri); 284 } 285