sysconf.h revision ea8dc4b6d2251b437950c0056bc626b311c73c27
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* sysconf.h - include file for sysconf utility and the kernel.
*/
#ifndef _SYS_SYSCONF_H
#define _SYS_SYSCONF_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* For each entry in /etc/system a sysparam record is created.
*/
struct sysparam {
struct sysparam *sys_next; /* pointer to next */
int sys_type; /* type of record */
int sys_op; /* operation */
char *sys_modnam; /* module name (null if param in kernel) */
char *sys_ptr; /* string pointer to device, etc. */
u_longlong_t sys_info; /* additional information */
char *sys_config; /* configuration data */
int sys_len; /* len of config data */
ulong_t *addrp; /* pointer to valloced config addresses */
int sys_flags; /* flags to check duplicate entries */
};
#define MAXLINESIZE 80 /* max size of a line in /etc/system */
struct modcmd {
char *mc_cmdname;
int mc_type;
};
#define MOD_EXCLUDE 0 /* we'll never load this one */
#define MOD_INCLUDE 1 /* load on demand */
#define MOD_FORCELOAD 2 /* load during initialization */
#define MOD_ROOTDEV 3 /* root device */
#define MOD_ROOTFS 4 /* root fs type */
#define MOD_SWAPDEV 5 /* swap device */
#define MOD_SWAPFS 6 /* swap fs type */
#define MOD_MODDIR 7 /* default directory for modules */
#define MOD_SET 8 /* set int to specified value */
#define MOD_UNKNOWN 9 /* unknown command */
#define MOD_SET32 10 /* like MOD_SET but -only- on 32-bit kernel */
#define MOD_SET64 11 /* like MOD_SET but -only- on 64-bit kernel */
#define MOD_ZFSROOT 12 /* use zfs as the root filesystem */
/*
* Commands for mod_sysctl()
*/
#define SYS_FORCELOAD 0 /* forceload modules */
#define SYS_SET_KVAR 1 /* set kernel variables */
#define SYS_SET_MVAR 2 /* set module variables */
#define SYS_CHECK_EXCLUDE 3 /* check if a module is excluded */
/*
* Legal operations for MOD_SET.
*/
#define SETOP_NONE 0 /* no op - for types other than MOD_SET */
#define SETOP_ASSIGN 1 /* '=' - simple assignment */
#define SETOP_AND 2 /* '&' - bitwise AND */
#define SETOP_OR 3 /* '|' - bitwise OR */
/*
* Defines for sys_flags.
*/
#define SYSPARAM_STR_TOKEN 0x0001 /* a string token is set */
#define SYSPARAM_HEX_TOKEN 0x0002 /* a hexadecimal number is set */
#define SYSPARAM_DEC_TOKEN 0x0004 /* a decimal number is set */
#define SYSPARAM_DUP 0x0010 /* this entry is duplicated */
#define SYSPARAM_TERM 0x0020 /* this entry is the last entry */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SYSCONF_H */