usr/src/uts/common/sys/rtpriocntl.h

   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) 1997-2001 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #ifndef _SYS_RTPRIOCNTL_H
  32 #define _SYS_RTPRIOCNTL_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.4 */
  35
  36 #include <sys/types.h>
  37 #include <sys/thread.h>
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /*
  44  * Real-time class specific structures for the priocntl system call.
  45  */
  46
  47 typedef struct rtparms {
  48         pri_t   rt_pri;         /* real-time priority */
  49         uint_t  rt_tqsecs;      /* seconds in time quantum */
  50         int     rt_tqnsecs;     /* additional nanosecs in time quant */
  51 } rtparms_t;
  52
  53
  54 typedef struct rtinfo {
  55         pri_t   rt_maxpri;      /* maximum configured real-time priority */
  56 } rtinfo_t;
  57
  58
  59 #define RT_NOCHANGE     -1
  60 #define RT_TQINF        -2
  61 #define RT_TQDEF        -3
  62
  63 /*
  64  * Real-time class specific keys for the priocntl system call varargs interface.
  65  */
  66 #define RT_KY_PRI       1       /* real-time priority */
  67 #define RT_KY_TQSECS    2       /* seconds in time quantum */
  68 #define RT_KY_TQNSECS   3       /* nanoseconds in time quantum */
  69 #define RT_KY_TQSIG     4       /* real-time time quantum signal */
  70
  71 /*
  72  * The following is used by the dispadmin(1M) command for
  73  * scheduler administration and is not for general use.
  74  */
  75
  76 #ifdef _SYSCALL32
  77 /* Data structure for ILP32 clients */
  78 typedef struct rtadmin32 {
  79         caddr32_t       rt_dpents;
  80         int16_t         rt_ndpents;
  81         int16_t         rt_cmd;
  82 } rtadmin32_t;
  83 #endif /* _SYSCALL32 */
  84
  85 typedef struct rtadmin {
  86         struct rtdpent  *rt_dpents;
  87         short           rt_ndpents;
  88         short           rt_cmd;
  89 } rtadmin_t;
  90
  91 #define RT_GETDPSIZE    1
  92 #define RT_GETDPTBL     2
  93 #define RT_SETDPTBL     3
  94
  95 #ifdef  __cplusplus
  96 }
  97 #endif
  98
  99 #endif  /* _SYS_RTPRIOCNTL_H */