xref: /titanic_41/usr/src/uts/common/disp/ts_dptbl.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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
_init()66 _init()
67 {
68 	return (mod_install(&modlinkage));
69 }
70 
71 int
_info(struct modinfo * modinfop)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 *
ts_getdptbl()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 *
ts_getkmdpris()266 ts_getkmdpris()
267 {
268 	return (config_ts_kmdpris);
269 }
270 
271 /*
272  * Return the address of ts_maxumdpri
273  */
274 pri_t
ts_getmaxumdpri()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