/*
 * 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 2007 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

#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 */

/*
 * 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 */