docs/how-to-build.md: use proper markup for directory names
[unleashed/tickless.git] / include / sys / sysconf.h
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1 /*
2 * CDDL HEADER START
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.
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.
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]
19 * CDDL HEADER END
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
27 * sysconf.h - include file for sysconf utility and the kernel.
30 #ifndef _SYS_SYSCONF_H
31 #define _SYS_SYSCONF_H
33 #pragma ident "%Z%%M% %I% %E% SMI"
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
40 * For each entry in /etc/system a sysparam record is created.
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 */
55 #define MAXLINESIZE 80 /* max size of a line in /etc/system */
57 struct modcmd {
58 char *mc_cmdname;
59 int mc_type;
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 */
76 * Commands for mod_sysctl()
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 */
84 * Legal operations for MOD_SET.
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 */
92 * Defines for sys_flags.
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 */
100 #ifdef __cplusplus
102 #endif
104 #endif /* _SYS_SYSCONF_H */