include/sys/sysconf.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 (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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*
  27  * sysconf.h - include file for sysconf utility and the kernel.
  28  */
  29
  30 #ifndef _SYS_SYSCONF_H
  31 #define _SYS_SYSCONF_H
  32
  33 #pragma ident   "%Z%%M% %I%     %E% SMI"
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * For each entry in /etc/system a sysparam record is created.
  41  */
  42 struct sysparam {
  43         struct sysparam *sys_next; /* pointer to next */
  44         int     sys_type;       /* type of record */
  45         int     sys_op;         /* operation */
  46         char    *sys_modnam;    /* module name (null if param in kernel) */
  47         char    *sys_ptr;       /* string pointer to device, etc. */
  48         u_longlong_t    sys_info;       /* additional information */
  49         char    *sys_config;    /* configuration data */
  50         int     sys_len;        /* len of config data */
  51         ulong_t *addrp;         /* pointer to valloced config addresses */
  52         int     sys_flags;      /* flags to check duplicate entries */
  53 };
  54
  55 #define MAXLINESIZE 80          /* max size of a line in /etc/system */
  56
  57 struct modcmd {
  58         char *mc_cmdname;
  59         int mc_type;
  60 };
  61
  62 #define MOD_EXCLUDE     0       /* we'll never load this one */
  63 #define MOD_INCLUDE     1       /* load on demand */
  64 #define MOD_FORCELOAD   2       /* load during initialization */
  65 #define MOD_ROOTDEV     3       /* root device */
  66 #define MOD_ROOTFS      4       /* root fs type */
  67 #define MOD_SWAPDEV     5       /* swap device */
  68 #define MOD_SWAPFS      6       /* swap fs type */
  69 #define MOD_MODDIR      7       /* default directory for modules */
  70 #define MOD_SET         8       /* set int to specified value */
  71 #define MOD_UNKNOWN     9       /* unknown command */
  72 #define MOD_SET32       10      /* like MOD_SET but -only- on 32-bit kernel */
  73 #define MOD_SET64       11      /* like MOD_SET but -only- on 64-bit kernel */
  74
  75 /*
  76  * Commands for mod_sysctl()
  77  */
  78 #define SYS_FORCELOAD   0       /* forceload modules */
  79 #define SYS_SET_KVAR    1       /* set kernel variables */
  80 #define SYS_SET_MVAR    2       /* set module variables */
  81 #define SYS_CHECK_EXCLUDE 3     /* check if a module is excluded */
  82
  83 /*
  84  * Legal operations for MOD_SET.
  85  */
  86 #define SETOP_NONE      0       /* no op - for types other than MOD_SET */
  87 #define SETOP_ASSIGN    1       /* '=' - simple assignment */
  88 #define SETOP_AND       2       /* '&' - bitwise AND */
  89 #define SETOP_OR        3       /* '|' - bitwise OR */
  90
  91 /*
  92  * Defines for sys_flags.
  93  */
  94 #define SYSPARAM_STR_TOKEN      0x0001 /* a string token is set */
  95 #define SYSPARAM_HEX_TOKEN      0x0002 /* a hexadecimal number is set */
  96 #define SYSPARAM_DEC_TOKEN      0x0004 /* a decimal number is set */
  97 #define SYSPARAM_DUP            0x0010 /* this entry is duplicated */
  98 #define SYSPARAM_TERM           0x0020 /* this entry is the last entry */
  99
 100 #ifdef  __cplusplus
 101 }
 102 #endif
 103
 104 #endif  /* _SYS_SYSCONF_H */