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      1 /*
      2  * Copyright (c) 1989, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * This code is derived from software contributed to Berkeley by
      6  * Mike Karels at Berkeley Software Design, Inc.
      7  *
      8  * Portions copyright (c) 1999, 2000
      9  * Intel Corporation.
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  *
     16  * 1. Redistributions of source code must retain the above copyright
     17  *    notice, this list of conditions and the following disclaimer.
     18  *
     19  * 2. Redistributions in binary form must reproduce the above copyright
     20  *    notice, this list of conditions and the following disclaimer in the
     21  *    documentation and/or other materials provided with the distribution.
     22  *
     23  * 3. All advertising materials mentioning features or use of this software
     24  *    must display the following acknowledgement:
     25  *
     26  *    This product includes software developed by the University of
     27  *    California, Berkeley, Intel Corporation, and its contributors.
     28  *
     29  * 4. Neither the name of University, Intel Corporation, or their respective
     30  *    contributors may be used to endorse or promote products derived from
     31  *    this software without specific prior written permission.
     32  *
     33  * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND
     34  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
     35  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     36  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS,
     37  * INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     38  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     39  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     40  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     41  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     44  *
     45  *	@(#)sysctl.h	8.1 (Berkeley) 6/2/93
     46  * $Id: sysctl.h,v 1.1.1.1 2006/05/30 06:13:00 hhzhou Exp $
     47  */
     48 
     49 #ifndef _SYS_SYSCTL_H_
     50 #define	_SYS_SYSCTL_H_
     51 
     52 #include <sys/_posix.h>
     53 
     54 /*
     55  * Definitions for sysctl call.  The sysctl call uses a hierarchical name
     56  * for objects that can be examined or modified.  The name is expressed as
     57  * a sequence of integers.  Like a file path name, the meaning of each
     58  * component depends on its place in the hierarchy.  The top-level and kern
     59  * identifiers are defined here, and other identifiers are defined in the
     60  * respective subsystem header files.
     61  */
     62 
     63 #define CTL_MAXNAME	12	/* largest number of components supported */
     64 
     65 /*
     66  * Each subsystem defined by sysctl defines a list of variables
     67  * for that subsystem. Each name is either a node with further
     68  * levels defined below it, or it is a leaf of some particular
     69  * type given below. Each sysctl level defines a set of name/type
     70  * pairs to be used by sysctl(1) in manipulating the subsystem.
     71  */
     72 struct ctlname {
     73 	char	*ctl_name;	/* subsystem name */
     74 	int	ctl_type;	/* type of name */
     75 };
     76 
     77 #define CTLTYPE		0xf	/* Mask for the type */
     78 #define	CTLTYPE_NODE	1	/* name is a node */
     79 #define	CTLTYPE_INT	2	/* name describes an integer */
     80 #define	CTLTYPE_STRING	3	/* name describes a string */
     81 #define	CTLTYPE_QUAD	4	/* name describes a 64-bit number */
     82 #define	CTLTYPE_OPAQUE	5	/* name describes a structure */
     83 #define	CTLTYPE_STRUCT	CTLTYPE_OPAQUE	/* name describes a structure */
     84 
     85 #define CTLFLAG_RD	0x80000000	/* Allow reads of variable */
     86 #define CTLFLAG_WR	0x40000000	/* Allow writes to the variable */
     87 #define CTLFLAG_RW	(CTLFLAG_RD|CTLFLAG_WR)
     88 #define CTLFLAG_NOLOCK	0x20000000	/* XXX Don't Lock */
     89 #define CTLFLAG_ANYBODY	0x10000000	/* All users can set this var */
     90 #define CTLFLAG_SECURE	0x08000000	/* Permit set only if securelevel<=0 */
     91 
     92 /*
     93  * USE THIS instead of a hardwired number from the categories below
     94  * to get dynamically assigned sysctl entries using the linker-set
     95  * technology. This is the way nearly all new sysctl variables should
     96  * be implemented.
     97  * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
     98  */
     99 #define OID_AUTO	(-1)
    100 
    101 #ifdef KERNEL
    102 #define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \
    103 	struct sysctl_req *req)
    104 
    105 /*
    106  * This describes the access space for a sysctl request.  This is needed
    107  * so that we can use the interface from the kernel or from user-space.
    108  */
    109 struct sysctl_req {
    110 	struct proc	*p;
    111 	int		lock;
    112 	void		*oldptr;
    113 	size_t		oldlen;
    114 	size_t		oldidx;
    115 	int		(*oldfunc)(struct sysctl_req *, const void *, size_t);
    116 	void		*newptr;
    117 	size_t		newlen;
    118 	size_t		newidx;
    119 	int		(*newfunc)(struct sysctl_req *, void *, size_t);
    120 };
    121 
    122 #ifndef _ORG_FREEBSD_
    123 #include <sys/ioccom.h>
    124 /*
    125  *  Pseudo sysctl call through ioctl(2) interface
    126  */
    127 #define IOCSYSCTL	_IOWR('X', 0, struct sysctl_req)
    128 
    129 struct pseudo_sysctl {
    130 	int			*name;
    131 	u_int			namelen;
    132 	struct sysctl_req	req;
    133 };
    134 
    135 #endif
    136 
    137 /*
    138  * This describes one "oid" in the MIB tree.  Potentially more nodes can
    139  * be hidden behind it, expanded by the handler.
    140  */
    141 struct sysctl_oid {
    142 	int		oid_number;
    143 	int		oid_kind;
    144 	void		*oid_arg1;
    145 	int		oid_arg2;
    146 	const char	*oid_name;
    147 	int 		(*oid_handler) SYSCTL_HANDLER_ARGS;
    148 	const char	*oid_fmt;
    149 };
    150 
    151 #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
    152 #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
    153 
    154 int sysctl_handle_int SYSCTL_HANDLER_ARGS;
    155 int sysctl_handle_long SYSCTL_HANDLER_ARGS;
    156 int sysctl_handle_intptr SYSCTL_HANDLER_ARGS;
    157 int sysctl_handle_string SYSCTL_HANDLER_ARGS;
    158 int sysctl_handle_opaque SYSCTL_HANDLER_ARGS;
    159 
    160 #ifdef _ORG_FREEBSD_
    161 /* This constructs a "raw" MIB oid. */
    162 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
    163 	static struct sysctl_oid sysctl__##parent##_##name = { \
    164 		nbr, kind, a1, a2, #name, handler, fmt }; \
    165 	DATA_SET(sysctl_##parent, sysctl__##parent##_##name)
    166 
    167 /* This constructs a node from which other oids can hang. */
    168 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
    169 	extern struct linker_set sysctl_##parent##_##name; \
    170 	SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \
    171 		(void*)&sysctl_##parent##_##name, 0, handler, "N", descr); \
    172 	DATA_SET(sysctl_##parent##_##name, sysctl__##parent##_##name)
    173 #else
    174 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr)
    175 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr)
    176 #endif
    177 
    178 /* Oid for a string.  len can be 0 to indicate '\0' termination. */
    179 #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
    180 	SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \
    181 		arg, len, sysctl_handle_string, "A", descr)
    182 
    183 /* Oid for an int.  If ptr is NULL, val is returned. */
    184 #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
    185 	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
    186 		ptr, val, sysctl_handle_int, "I", descr)
    187 
    188 /* Oid for a long.  The pointer must be non NULL. */
    189 #define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \
    190 	SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
    191 		ptr, 0, sysctl_handle_long, "L", descr)
    192 
    193 /* Oid for an opaque object.  Specified by a pointer and a length. */
    194 #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
    195 	SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
    196 		ptr, len, sysctl_handle_opaque, fmt, descr)
    197 
    198 /* Oid for a struct.  Specified by a pointer and a type. */
    199 #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
    200 	SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
    201 		ptr, sizeof(struct type), sysctl_handle_opaque, \
    202 		"S," #type, descr)
    203 
    204 /* Oid for a procedure.  Specified by a pointer and an arg. */
    205 #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
    206 	SYSCTL_OID(parent, nbr, name, access, \
    207 		ptr, arg, handler, fmt, descr)
    208 #endif /* KERNEL */
    209 
    210 /*
    211  * Top-level identifiers
    212  */
    213 #define	CTL_UNSPEC	0		/* unused */
    214 #define	CTL_KERN	1		/* "high kernel": proc, limits */
    215 #define	CTL_VM		2		/* virtual memory */
    216 #define	CTL_VFS		3		/* file system, mount type is next */
    217 #define	CTL_NET		4		/* network, see socket.h */
    218 #define	CTL_DEBUG	5		/* debugging parameters */
    219 #define	CTL_HW		6		/* generic cpu/io */
    220 #define	CTL_MACHDEP	7		/* machine dependent */
    221 #define	CTL_USER	8		/* user-level */
    222 #define	CTL_P1003_1B	9		/* POSIX 1003.1B */
    223 #define	CTL_MAXID	10		/* number of valid top-level ids */
    224 
    225 #define CTL_NAMES { \
    226 	{ 0, 0 }, \
    227 	{ "kern", CTLTYPE_NODE }, \
    228 	{ "vm", CTLTYPE_NODE }, \
    229 	{ "vfs", CTLTYPE_NODE }, \
    230 	{ "net", CTLTYPE_NODE }, \
    231 	{ "debug", CTLTYPE_NODE }, \
    232 	{ "hw", CTLTYPE_NODE }, \
    233 	{ "machdep", CTLTYPE_NODE }, \
    234 	{ "user", CTLTYPE_NODE }, \
    235 	{ "p1003_1b", CTLTYPE_NODE }, \
    236 }
    237 
    238 /*
    239  * CTL_KERN identifiers
    240  */
    241 #define	KERN_OSTYPE	 	 1	/* string: system version */
    242 #define	KERN_OSRELEASE	 	 2	/* string: system release */
    243 #define	KERN_OSREV	 	 3	/* int: system revision */
    244 #define	KERN_VERSION	 	 4	/* string: compile time info */
    245 #define	KERN_MAXVNODES	 	 5	/* int: max vnodes */
    246 #define	KERN_MAXPROC	 	 6	/* int: max processes */
    247 #define	KERN_MAXFILES	 	 7	/* int: max open files */
    248 #define	KERN_ARGMAX	 	 8	/* int: max arguments to exec */
    249 #define	KERN_SECURELVL	 	 9	/* int: system security level */
    250 #define	KERN_HOSTNAME		10	/* string: hostname */
    251 #define	KERN_HOSTID		11	/* int: host identifier */
    252 #define	KERN_CLOCKRATE		12	/* struct: struct clockrate */
    253 #define	KERN_VNODE		13	/* struct: vnode structures */
    254 #define	KERN_PROC		14	/* struct: process entries */
    255 #define	KERN_FILE		15	/* struct: file entries */
    256 #define	KERN_PROF		16	/* node: kernel profiling info */
    257 #define	KERN_POSIX1		17	/* int: POSIX.1 version */
    258 #define	KERN_NGROUPS		18	/* int: # of supplemental group ids */
    259 #define	KERN_JOB_CONTROL	19	/* int: is job control available */
    260 #define	KERN_SAVED_IDS		20	/* int: saved set-user/group-ID */
    261 #define	KERN_BOOTTIME		21	/* struct: time kernel was booted */
    262 #define KERN_NISDOMAINNAME	22	/* string: YP domain name */
    263 #define KERN_UPDATEINTERVAL	23	/* int: update process sleep time */
    264 #define KERN_OSRELDATE		24	/* int: OS release date */
    265 #define KERN_NTP_PLL		25	/* node: NTP PLL control */
    266 #define	KERN_BOOTFILE		26	/* string: name of booted kernel */
    267 #define	KERN_MAXFILESPERPROC	27	/* int: max open files per proc */
    268 #define	KERN_MAXPROCPERUID 	28	/* int: max processes per uid */
    269 #define KERN_DUMPDEV		29	/* dev_t: device to dump on */
    270 #define	KERN_IPC		30	/* node: anything related to IPC */
    271 #define	KERN_DUMMY		31	/* unused */
    272 #define	KERN_PS_STRINGS		32	/* int: address of PS_STRINGS */
    273 #define	KERN_USRSTACK		33	/* int: address of USRSTACK */
    274 #define	KERN_LOGSIGEXIT		34	/* int: do we log sigexit procs? */
    275 #define KERN_MAXID		35      /* number of valid kern ids */
    276 
    277 #define CTL_KERN_NAMES { \
    278 	{ 0, 0 }, \
    279 	{ "ostype", CTLTYPE_STRING }, \
    280 	{ "osrelease", CTLTYPE_STRING }, \
    281 	{ "osrevision", CTLTYPE_INT }, \
    282 	{ "version", CTLTYPE_STRING }, \
    283 	{ "maxvnodes", CTLTYPE_INT }, \
    284 	{ "maxproc", CTLTYPE_INT }, \
    285 	{ "maxfiles", CTLTYPE_INT }, \
    286 	{ "argmax", CTLTYPE_INT }, \
    287 	{ "securelevel", CTLTYPE_INT }, \
    288 	{ "hostname", CTLTYPE_STRING }, \
    289 	{ "hostid", CTLTYPE_INT }, \
    290 	{ "clockrate", CTLTYPE_STRUCT }, \
    291 	{ "vnode", CTLTYPE_STRUCT }, \
    292 	{ "proc", CTLTYPE_STRUCT }, \
    293 	{ "file", CTLTYPE_STRUCT }, \
    294 	{ "profiling", CTLTYPE_NODE }, \
    295 	{ "posix1version", CTLTYPE_INT }, \
    296 	{ "ngroups", CTLTYPE_INT }, \
    297 	{ "job_control", CTLTYPE_INT }, \
    298 	{ "saved_ids", CTLTYPE_INT }, \
    299 	{ "boottime", CTLTYPE_STRUCT }, \
    300 	{ "nisdomainname", CTLTYPE_STRING }, \
    301 	{ "update", CTLTYPE_INT }, \
    302 	{ "osreldate", CTLTYPE_INT }, \
    303         { "ntp_pll", CTLTYPE_NODE }, \
    304 	{ "bootfile", CTLTYPE_STRING }, \
    305 	{ "maxfilesperproc", CTLTYPE_INT }, \
    306 	{ "maxprocperuid", CTLTYPE_INT }, \
    307 	{ "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \
    308 	{ "ipc", CTLTYPE_NODE }, \
    309 	{ "dummy", CTLTYPE_INT }, \
    310 	{ "ps_strings", CTLTYPE_INT }, \
    311 	{ "usrstack", CTLTYPE_INT }, \
    312 	{ "logsigexit", CTLTYPE_INT }, \
    313 }
    314 
    315 /*
    316  * CTL_VFS identifiers
    317  */
    318 #define CTL_VFS_NAMES { \
    319 	{ "vfsconf", CTLTYPE_STRUCT }, \
    320 }
    321 
    322 /*
    323  * KERN_PROC subtypes
    324  */
    325 #define KERN_PROC_ALL		0	/* everything */
    326 #define	KERN_PROC_PID		1	/* by process id */
    327 #define	KERN_PROC_PGRP		2	/* by process group id */
    328 #define	KERN_PROC_SESSION	3	/* by session of pid */
    329 #define	KERN_PROC_TTY		4	/* by controlling tty */
    330 #define	KERN_PROC_UID		5	/* by effective uid */
    331 #define	KERN_PROC_RUID		6	/* by real uid */
    332 
    333 /*
    334  * KERN_IPC identifiers
    335  */
    336 #define KIPC_MAXSOCKBUF		1	/* int: max size of a socket buffer */
    337 #define	KIPC_SOCKBUF_WASTE	2	/* int: wastage factor in sockbuf */
    338 #define	KIPC_SOMAXCONN		3	/* int: max length of connection q */
    339 #define	KIPC_MAX_LINKHDR	4	/* int: max length of link header */
    340 #define	KIPC_MAX_PROTOHDR	5	/* int: max length of network header */
    341 #define	KIPC_MAX_HDR		6	/* int: max total length of headers */
    342 #define	KIPC_MAX_DATALEN	7	/* int: max length of data? */
    343 #define	KIPC_MBSTAT		8	/* struct: mbuf usage statistics */
    344 #define	KIPC_NMBCLUSTERS	9	/* int: maximum mbuf clusters */
    345 
    346 /*
    347  * CTL_HW identifiers
    348  */
    349 #define	HW_MACHINE	 1		/* string: machine class */
    350 #define	HW_MODEL	 2		/* string: specific machine model */
    351 #define	HW_NCPU		 3		/* int: number of cpus */
    352 #define	HW_BYTEORDER	 4		/* int: machine byte order */
    353 #define	HW_PHYSMEM	 5		/* int: total memory */
    354 #define	HW_USERMEM	 6		/* int: non-kernel memory */
    355 #define	HW_PAGESIZE	 7		/* int: software page size */
    356 #define	HW_DISKNAMES	 8		/* strings: disk drive names */
    357 #define	HW_DISKSTATS	 9		/* struct: diskstats[] */
    358 #define HW_FLOATINGPT	10		/* int: has HW floating point? */
    359 #define HW_MACHINE_ARCH	11		/* string: machine architecture */
    360 #define	HW_MAXID	12		/* number of valid hw ids */
    361 
    362 #define CTL_HW_NAMES { \
    363 	{ 0, 0 }, \
    364 	{ "machine", CTLTYPE_STRING }, \
    365 	{ "model", CTLTYPE_STRING }, \
    366 	{ "ncpu", CTLTYPE_INT }, \
    367 	{ "byteorder", CTLTYPE_INT }, \
    368 	{ "physmem", CTLTYPE_INT }, \
    369 	{ "usermem", CTLTYPE_INT }, \
    370 	{ "pagesize", CTLTYPE_INT }, \
    371 	{ "disknames", CTLTYPE_STRUCT }, \
    372 	{ "diskstats", CTLTYPE_STRUCT }, \
    373 	{ "floatingpoint", CTLTYPE_INT }, \
    374 }
    375 
    376 /*
    377  * CTL_USER definitions
    378  */
    379 #define	USER_CS_PATH		 1	/* string: _CS_PATH */
    380 #define	USER_BC_BASE_MAX	 2	/* int: BC_BASE_MAX */
    381 #define	USER_BC_DIM_MAX		 3	/* int: BC_DIM_MAX */
    382 #define	USER_BC_SCALE_MAX	 4	/* int: BC_SCALE_MAX */
    383 #define	USER_BC_STRING_MAX	 5	/* int: BC_STRING_MAX */
    384 #define	USER_COLL_WEIGHTS_MAX	 6	/* int: COLL_WEIGHTS_MAX */
    385 #define	USER_EXPR_NEST_MAX	 7	/* int: EXPR_NEST_MAX */
    386 #define	USER_LINE_MAX		 8	/* int: LINE_MAX */
    387 #define	USER_RE_DUP_MAX		 9	/* int: RE_DUP_MAX */
    388 #define	USER_POSIX2_VERSION	10	/* int: POSIX2_VERSION */
    389 #define	USER_POSIX2_C_BIND	11	/* int: POSIX2_C_BIND */
    390 #define	USER_POSIX2_C_DEV	12	/* int: POSIX2_C_DEV */
    391 #define	USER_POSIX2_CHAR_TERM	13	/* int: POSIX2_CHAR_TERM */
    392 #define	USER_POSIX2_FORT_DEV	14	/* int: POSIX2_FORT_DEV */
    393 #define	USER_POSIX2_FORT_RUN	15	/* int: POSIX2_FORT_RUN */
    394 #define	USER_POSIX2_LOCALEDEF	16	/* int: POSIX2_LOCALEDEF */
    395 #define	USER_POSIX2_SW_DEV	17	/* int: POSIX2_SW_DEV */
    396 #define	USER_POSIX2_UPE		18	/* int: POSIX2_UPE */
    397 #define	USER_STREAM_MAX		19	/* int: POSIX2_STREAM_MAX */
    398 #define	USER_TZNAME_MAX		20	/* int: POSIX2_TZNAME_MAX */
    399 #define	USER_MAXID		21	/* number of valid user ids */
    400 
    401 #define	CTL_USER_NAMES { \
    402 	{ 0, 0 }, \
    403 	{ "cs_path", CTLTYPE_STRING }, \
    404 	{ "bc_base_max", CTLTYPE_INT }, \
    405 	{ "bc_dim_max", CTLTYPE_INT }, \
    406 	{ "bc_scale_max", CTLTYPE_INT }, \
    407 	{ "bc_string_max", CTLTYPE_INT }, \
    408 	{ "coll_weights_max", CTLTYPE_INT }, \
    409 	{ "expr_nest_max", CTLTYPE_INT }, \
    410 	{ "line_max", CTLTYPE_INT }, \
    411 	{ "re_dup_max", CTLTYPE_INT }, \
    412 	{ "posix2_version", CTLTYPE_INT }, \
    413 	{ "posix2_c_bind", CTLTYPE_INT }, \
    414 	{ "posix2_c_dev", CTLTYPE_INT }, \
    415 	{ "posix2_char_term", CTLTYPE_INT }, \
    416 	{ "posix2_fort_dev", CTLTYPE_INT }, \
    417 	{ "posix2_fort_run", CTLTYPE_INT }, \
    418 	{ "posix2_localedef", CTLTYPE_INT }, \
    419 	{ "posix2_sw_dev", CTLTYPE_INT }, \
    420 	{ "posix2_upe", CTLTYPE_INT }, \
    421 	{ "stream_max", CTLTYPE_INT }, \
    422 	{ "tzname_max", CTLTYPE_INT }, \
    423 }
    424 
    425 #define CTL_P1003_1B_ASYNCHRONOUS_IO		1	/* boolean */
    426 #define CTL_P1003_1B_MAPPED_FILES		2	/* boolean */
    427 #define CTL_P1003_1B_MEMLOCK			3	/* boolean */
    428 #define CTL_P1003_1B_MEMLOCK_RANGE		4	/* boolean */
    429 #define CTL_P1003_1B_MEMORY_PROTECTION		5	/* boolean */
    430 #define CTL_P1003_1B_MESSAGE_PASSING		6	/* boolean */
    431 #define CTL_P1003_1B_PRIORITIZED_IO		7	/* boolean */
    432 #define CTL_P1003_1B_PRIORITY_SCHEDULING	8	/* boolean */
    433 #define CTL_P1003_1B_REALTIME_SIGNALS		9	/* boolean */
    434 #define CTL_P1003_1B_SEMAPHORES			10	/* boolean */
    435 #define CTL_P1003_1B_FSYNC			11	/* boolean */
    436 #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS	12	/* boolean */
    437 #define CTL_P1003_1B_SYNCHRONIZED_IO		13	/* boolean */
    438 #define CTL_P1003_1B_TIMERS			14	/* boolean */
    439 #define CTL_P1003_1B_AIO_LISTIO_MAX		15	/* int */
    440 #define CTL_P1003_1B_AIO_MAX			16	/* int */
    441 #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX		17	/* int */
    442 #define CTL_P1003_1B_DELAYTIMER_MAX		18	/* int */
    443 #define CTL_P1003_1B_MQ_OPEN_MAX		19	/* int */
    444 #define CTL_P1003_1B_PAGESIZE			20	/* int */
    445 #define CTL_P1003_1B_RTSIG_MAX			21	/* int */
    446 #define CTL_P1003_1B_SEM_NSEMS_MAX		22	/* int */
    447 #define CTL_P1003_1B_SEM_VALUE_MAX		23	/* int */
    448 #define CTL_P1003_1B_SIGQUEUE_MAX		24	/* int */
    449 #define CTL_P1003_1B_TIMER_MAX			25	/* int */
    450 
    451 #define CTL_P1003_1B_MAXID		26
    452 
    453 #define	CTL_P1003_1B_NAMES { \
    454 	{ 0, 0 }, \
    455 	{ "asynchronous_io", CTLTYPE_INT }, \
    456 	{ "mapped_files", CTLTYPE_INT }, \
    457 	{ "memlock", CTLTYPE_INT }, \
    458 	{ "memlock_range", CTLTYPE_INT }, \
    459 	{ "memory_protection", CTLTYPE_INT }, \
    460 	{ "message_passing", CTLTYPE_INT }, \
    461 	{ "prioritized_io", CTLTYPE_INT }, \
    462 	{ "priority_scheduling", CTLTYPE_INT }, \
    463 	{ "realtime_signals", CTLTYPE_INT }, \
    464 	{ "semaphores", CTLTYPE_INT }, \
    465 	{ "fsync", CTLTYPE_INT }, \
    466 	{ "shared_memory_objects", CTLTYPE_INT }, \
    467 	{ "synchronized_io", CTLTYPE_INT }, \
    468 	{ "timers", CTLTYPE_INT }, \
    469 	{ "aio_listio_max", CTLTYPE_INT }, \
    470 	{ "aio_max", CTLTYPE_INT }, \
    471 	{ "aio_prio_delta_max", CTLTYPE_INT }, \
    472 	{ "delaytimer_max", CTLTYPE_INT }, \
    473 	{ "mq_open_max", CTLTYPE_INT }, \
    474 	{ "pagesize", CTLTYPE_INT }, \
    475 	{ "rtsig_max", CTLTYPE_INT }, \
    476 	{ "nsems_max", CTLTYPE_INT }, \
    477 	{ "sem_value_max", CTLTYPE_INT }, \
    478 	{ "sigqueue_max", CTLTYPE_INT }, \
    479 	{ "timer_max", CTLTYPE_INT }, \
    480 }
    481 
    482 #ifdef KERNEL
    483 
    484 extern char	machine[];
    485 extern char	osrelease[];
    486 extern char	ostype[];
    487 
    488 int	kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old,
    489 		      size_t *oldlenp, void *new, size_t newlen,
    490 		      size_t *retval);
    491 void	sysctl_order_all(void);
    492 int	userland_sysctl(struct proc *p, int *name, u_int namelen, void *old,
    493 			size_t *oldlenp, int inkernel, void *new, size_t newlen,
    494 			size_t *retval);
    495 
    496 #else	/* !KERNEL */
    497 #include <sys/EfiCdefs.h>
    498 
    499 __BEGIN_DECLS
    500 int	sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
    501 int	sysctlbyname __P((const char *, void *, size_t *, void *, size_t));
    502 __END_DECLS
    503 #endif	/* KERNEL */
    504 
    505 #endif	/* !_SYS_SYSCTL_H_ */
    506