xref: /illumos-gate/usr/src/uts/common/disp/ts_dptbl.c (revision bbf215553c7233fbab8a0afdf1fac74c44781867)
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 #include <sys/proc.h>
32 #include <sys/priocntl.h>
33 #include <sys/class.h>
34 #include <sys/disp.h>
35 #include <sys/ts.h>
36 #include <sys/tspriocntl.h>
37 #include <sys/modctl.h>
38 
39 /*
40  * The purpose of this file is to allow a user to make their own
41  * ts_dptbl. The contents of this file should be included in the
42  * ts_dptbl(5) man page with proper instructions for making
43  * and replacing the TS_DPTBL.kmod in modules/sched. This was the
44  * only way to provide functionality equivalent to the mkboot/cunix
45  * method in SVr4 without having the utilities mkboot/cunix in
46  * SunOS/Svr4.
47  * It is recommended that the system calls be used to change the time
48  * quantums instead of re-building the module.
49  * There are also other tunable time sharing parameters in here also
50  * that used to be in param.c
51  */
52 
53 extern int ts_dispatch_extended;
54 
55 static struct modlmisc modlmisc = {
56 	&mod_miscops, "Time sharing dispatch table"
57 };
58 
59 static struct modlinkage modlinkage = {
60 	MODREV_1, &modlmisc, 0
61 };
62 
63 int
_init()64 _init()
65 {
66 	return (mod_install(&modlinkage));
67 }
68 
69 int
_info(struct modinfo * modinfop)70 _info(struct modinfo *modinfop)
71 {
72 	return (mod_info(&modlinkage, modinfop));
73 }
74 
75 #define	TSGPUP0	0	/* Global priority for TS user priority 0 */
76 #define	TSGPKP0	60	/* Global priority for TS kernel priority 0 */
77 
78 /*
79  * array of global priorities used by ts procs sleeping or
80  * running in kernel mode after sleep
81  */
82 
83 pri_t config_ts_kmdpris[] = {
84 	TSGPKP0,    TSGPKP0+1,  TSGPKP0+2,  TSGPKP0+3,
85 	TSGPKP0+4,  TSGPKP0+5,  TSGPKP0+6,  TSGPKP0+7,
86 	TSGPKP0+8,  TSGPKP0+9,  TSGPKP0+10, TSGPKP0+11,
87 	TSGPKP0+12, TSGPKP0+13, TSGPKP0+14, TSGPKP0+15,
88 	TSGPKP0+16, TSGPKP0+17, TSGPKP0+18, TSGPKP0+19,
89 	TSGPKP0+20, TSGPKP0+21, TSGPKP0+22, TSGPKP0+23,
90 	TSGPKP0+24, TSGPKP0+25, TSGPKP0+26, TSGPKP0+27,
91 	TSGPKP0+28, TSGPKP0+29, TSGPKP0+30, TSGPKP0+31,
92 	TSGPKP0+32, TSGPKP0+33, TSGPKP0+34, TSGPKP0+35,
93 	TSGPKP0+36, TSGPKP0+37, TSGPKP0+38, TSGPKP0+39
94 };
95 
96 tsdpent_t	config_ts_dptbl[] = {
97 
98 /*	glbpri		qntm	tqexp	slprt	mxwt	lwt */
99 
100 	TSGPUP0+0,	20,	 0,	50,	    0,	50,
101 	TSGPUP0+1,	20,	 0,	50,	    0,	50,
102 	TSGPUP0+2,	20,	 0,	50,	    0,	50,
103 	TSGPUP0+3,	20,	 0,	50,	    0,	50,
104 	TSGPUP0+4,	20,	 0,	50,	    0,	50,
105 	TSGPUP0+5,	20,	 0,	50,	    0,	50,
106 	TSGPUP0+6,	20,	 0,	50,	    0,	50,
107 	TSGPUP0+7,	20,	 0,	50,	    0,	50,
108 	TSGPUP0+8,	20,	 0,	50,	    0,	50,
109 	TSGPUP0+9,	20,	 0,	50,	    0,	50,
110 	TSGPUP0+10,	16,	 0,	51,	    0,	51,
111 	TSGPUP0+11,	16,	 1,	51,	    0,	51,
112 	TSGPUP0+12,	16,	 2,	51,	    0,	51,
113 	TSGPUP0+13,	16,	 3,	51,	    0,	51,
114 	TSGPUP0+14,	16,	 4,	51,	    0,	51,
115 	TSGPUP0+15,	16,	 5,	51,	    0,	51,
116 	TSGPUP0+16,	16,	 6,	51,	    0,	51,
117 	TSGPUP0+17,	16,	 7,	51,	    0,	51,
118 	TSGPUP0+18,	16,	 8,	51,	    0,	51,
119 	TSGPUP0+19,	16,	 9,	51,	    0,	51,
120 	TSGPUP0+20,	12,	10,	52,	    0,	52,
121 	TSGPUP0+21,	12,	11,	52,	    0,	52,
122 	TSGPUP0+22,	12,	12,	52,	    0,	52,
123 	TSGPUP0+23,	12,	13,	52,	    0,	52,
124 	TSGPUP0+24,	12,	14,	52,	    0,	52,
125 	TSGPUP0+25,	12,	15,	52,	    0,	52,
126 	TSGPUP0+26,	12,	16,	52,	    0,	52,
127 	TSGPUP0+27,	12,	17,	52,	    0,	52,
128 	TSGPUP0+28,	12,	18,	52,	    0,	52,
129 	TSGPUP0+29,	12,	19,	52,	    0,	52,
130 	TSGPUP0+30,	 8,	20,	53,	    0,	53,
131 	TSGPUP0+31,	 8,	21,	53,	    0,	53,
132 	TSGPUP0+32,	 8,	22,	53,	    0,	53,
133 	TSGPUP0+33,	 8,	23,	53,	    0,	53,
134 	TSGPUP0+34,	 8,	24,	53,	    0,	53,
135 	TSGPUP0+35,	 8,	25,	54,	    0,	54,
136 	TSGPUP0+36,	 8,	26,	54,	    0,	54,
137 	TSGPUP0+37,	 8,	27,	54,	    0,	54,
138 	TSGPUP0+38,	 8,	28,	54,	    0,	54,
139 	TSGPUP0+39,	 8,	29,	54,	    0,	54,
140 	TSGPUP0+40,	 4,	30,	55,	    0,	55,
141 	TSGPUP0+41,	 4,	31,	55,	    0,	55,
142 	TSGPUP0+42,	 4,	32,	55,	    0,	55,
143 	TSGPUP0+43,	 4,	33,	55,	    0,	55,
144 	TSGPUP0+44,	 4,	34,	55,	    0,	55,
145 	TSGPUP0+45,	 4,	35,	56,	    0,	56,
146 	TSGPUP0+46,	 4,	36,	57,	    0,	57,
147 	TSGPUP0+47,	 4,	37,	58,	    0,	58,
148 	TSGPUP0+48,	 4,	38,	58,	    0,	58,
149 	TSGPUP0+49,	 4,	39,	58,	    0,	59,
150 	TSGPUP0+50,	 4,	40,	58,	    0,	59,
151 	TSGPUP0+51,	 4,	41,	58,	    0,	59,
152 	TSGPUP0+52,	 4,	42,	58,	    0,	59,
153 	TSGPUP0+53,	 4,	43,	58,	    0,	59,
154 	TSGPUP0+54,	 4,	44,	58,	    0,	59,
155 	TSGPUP0+55,	 4,	45,	58,	    0,	59,
156 	TSGPUP0+56,	 4,	46,	58,	    0,	59,
157 	TSGPUP0+57,	 4,	47,	58,	    0,	59,
158 	TSGPUP0+58,	 4,	48,	58,	    0,	59,
159 	TSGPUP0+59,	 2,	49,	59,	32000,	59
160 };
161 
162 /*
163  * config_ts_dptbl_server[] is an alternate dispatch table that may
164  * deliver better performance on large server configurations.
165  * This table must be the same size as the default table, config_ts_dptbl.
166  */
167 tsdpent_t	config_ts_dptbl_server[] = {
168 
169 /*	glbpri		qntm	tqexp	slprt	mxwt	lwt */
170 
171 	TSGPUP0+0,	40,	 0,	 1,	    2,	40,
172 	TSGPUP0+1,	38,	 0,	 2,	    2,	40,
173 	TSGPUP0+2,	38,	 1,	 3,	    2,	40,
174 	TSGPUP0+3,	38,	 1,	 4,	    2,	40,
175 	TSGPUP0+4,	38,	 2,	 5,	    2,	40,
176 	TSGPUP0+5,	38,	 2,	 6,	    2,	40,
177 	TSGPUP0+6,	38,	 3,	 7,	    2,	40,
178 	TSGPUP0+7,	38,	 3,	 8,	    2,	40,
179 	TSGPUP0+8,	38,	 4,	 9,	    2,	40,
180 	TSGPUP0+9,	38,	 4,	10,	    2,	40,
181 	TSGPUP0+10,	38,	 5,	11,	    2,	40,
182 	TSGPUP0+11,	38,	 5,	12,	    2,	40,
183 	TSGPUP0+12,	38,	 6,	13,	    2,	40,
184 	TSGPUP0+13,	38,	 6,	14,	    2,	40,
185 	TSGPUP0+14,	38,	 7,	15,	    2,	40,
186 	TSGPUP0+15,	38,	 7,	16,	    2,	40,
187 	TSGPUP0+16,	38,	 8,	17,	    2,	40,
188 	TSGPUP0+17,	38,	 8,	18,	    2,	40,
189 	TSGPUP0+18,	38,	 9,	19,	    2,	40,
190 	TSGPUP0+19,	38,	 9,	20,	    2,	40,
191 	TSGPUP0+20,	36,	10,	21,	    2,	40,
192 	TSGPUP0+21,	36,	11,	22,	    2,	40,
193 	TSGPUP0+22,	36,	12,	23,	    2,	40,
194 	TSGPUP0+23,	36,	13,	24,	    2,	40,
195 	TSGPUP0+24,	36,	14,	25,	    2,	40,
196 	TSGPUP0+25,	36,	15,	26,	    2,	40,
197 	TSGPUP0+26,	36,	16,	27,	    2,	40,
198 	TSGPUP0+27,	36,	17,	28,	    2,	40,
199 	TSGPUP0+28,	36,	18,	29,	    2,	40,
200 	TSGPUP0+29,	36,	19,	30,	    2,	40,
201 	TSGPUP0+30,	36,	20,	31,	    2,	40,
202 	TSGPUP0+31,	36,	21,	32,	    2,	40,
203 	TSGPUP0+32,	36,	22,	33,	    2,	40,
204 	TSGPUP0+33,	36,	23,	34,	    2,	40,
205 	TSGPUP0+34,	36,	24,	35,	    2,	40,
206 	TSGPUP0+35,	36,	25,	36,	    2,	40,
207 	TSGPUP0+36,	36,	26,	37,	    2,	40,
208 	TSGPUP0+37,	36,	27,	38,	    2,	40,
209 	TSGPUP0+38,	36,	28,	39,	    2,	40,
210 	TSGPUP0+39,	36,	29,	40,	    2,	40,
211 	TSGPUP0+40,	36,	30,	41,	    2,	41,
212 	TSGPUP0+41,	34,	31,	42,	    2,	42,
213 	TSGPUP0+42,	34,	32,	43,	    2,	43,
214 	TSGPUP0+43,	34,	33,	44,	    2,	44,
215 	TSGPUP0+44,	34,	34,	45,	    2,	45,
216 	TSGPUP0+45,	34,	35,	46,	    2,	46,
217 	TSGPUP0+46,	34,	36,	47,	    2,	47,
218 	TSGPUP0+47,	34,	37,	48,	    2,	48,
219 	TSGPUP0+48,	34,	38,	49,	    2,	49,
220 	TSGPUP0+49,	34,	39,	50,	    2,	50,
221 	TSGPUP0+50,	34,	40,	51,	    2,	51,
222 	TSGPUP0+51,	34,	41,	52,	    2,	52,
223 	TSGPUP0+52,	34,	42,	53,	    2,	53,
224 	TSGPUP0+53,	34,	43,	54,	    2,	54,
225 	TSGPUP0+54,	34,	44,	55,	    2,	55,
226 	TSGPUP0+55,	34,	45,	56,	    2,	56,
227 	TSGPUP0+56,	34,	46,	57,	    2,	57,
228 	TSGPUP0+57,	34,	47,	58,	    2,	58,
229 	TSGPUP0+58,	34,	48,	59,	    2,	59,
230 	TSGPUP0+59,	34,	49,	59,	    2,	59
231 };
232 
233 
234 
235 pri_t config_ts_maxumdpri = sizeof (config_ts_dptbl) / sizeof (tsdpent_t) - 1;
236 
237 /*
238  * Return the address of config_ts_dptbl
239  */
240 tsdpent_t *
ts_getdptbl()241 ts_getdptbl()
242 {
243 	/*
244 	 * If ts_dispatch_extended is -1, set it to 0x0
245 	 * to choose the default TS table.
246 	 */
247 	if (ts_dispatch_extended == -1)
248 		ts_dispatch_extended = 0;
249 
250 	/*
251 	 * If ts_dispatch_extended is non-zero, use the
252 	 * "large server style" TS dispatch table.
253 	 */
254 	if (ts_dispatch_extended)
255 		return (config_ts_dptbl_server);
256 	else
257 		return (config_ts_dptbl);
258 }
259 
260 /*
261  * Return the address of config_ts_kmdpris
262  */
263 pri_t *
ts_getkmdpris()264 ts_getkmdpris()
265 {
266 	return (config_ts_kmdpris);
267 }
268 
269 /*
270  * Return the address of ts_maxumdpri
271  */
272 pri_t
ts_getmaxumdpri()273 ts_getmaxumdpri()
274 {
275 	/*
276 	 * The config_ts_dptbl_server table must be the same size as
277 	 * the config_ts_dptbl table.
278 	 */
279 	/*LINTED*/
280 	ASSERT(sizeof (config_ts_dptbl) == sizeof (config_ts_dptbl_server));
281 	return (config_ts_maxumdpri);
282 }
283