11541Srgrimes/*- 210358Sjulian * Copyright (c) 1995 Terrence R. Lambert 310358Sjulian * All rights reserved. 410358Sjulian * 51541Srgrimes * Copyright (c) 1990, 1993 61541Srgrimes * The Regents of the University of California. All rights reserved. 71541Srgrimes * (c) UNIX System Laboratories, Inc. 81541Srgrimes * All or some portions of this file are derived from material licensed 91541Srgrimes * to the University of California by American Telephone and Telegraph 101541Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 111541Srgrimes * the permission of UNIX System Laboratories, Inc. 121541Srgrimes * 131541Srgrimes * Redistribution and use in source and binary forms, with or without 141541Srgrimes * modification, are permitted provided that the following conditions 151541Srgrimes * are met: 161541Srgrimes * 1. Redistributions of source code must retain the above copyright 171541Srgrimes * notice, this list of conditions and the following disclaimer. 181541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 191541Srgrimes * notice, this list of conditions and the following disclaimer in the 201541Srgrimes * documentation and/or other materials provided with the distribution. 211541Srgrimes * 3. All advertising materials mentioning features or use of this software 221541Srgrimes * must display the following acknowledgement: 231541Srgrimes * This product includes software developed by the University of 241541Srgrimes * California, Berkeley and its contributors. 251541Srgrimes * 4. Neither the name of the University nor the names of its contributors 261541Srgrimes * may be used to endorse or promote products derived from this software 271541Srgrimes * without specific prior written permission. 281541Srgrimes * 291541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 301541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 311541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 321541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 331541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 341541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 351541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 361541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 371541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 381541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 391541Srgrimes * SUCH DAMAGE. 401541Srgrimes * 411541Srgrimes * @(#)kernel.h 8.3 (Berkeley) 1/21/94 4250477Speter * $FreeBSD: stable/10/sys/sys/kernel.h 358937 2020-03-13 08:53:59Z hselasky $ 431541Srgrimes */ 441541Srgrimes 452165Spaul#ifndef _SYS_KERNEL_H_ 4677843Speter#define _SYS_KERNEL_H_ 472165Spaul 4842645Sjdp#include <sys/linker_set.h> 4942645Sjdp 5055205Speter#ifdef _KERNEL 5125164Speter 5251957Sn_hibma/* for intrhook below */ 5351957Sn_hibma#include <sys/queue.h> 5451957Sn_hibma 551541Srgrimes/* Global variables for the kernel. */ 561541Srgrimes 571541Srgrimes/* 1.1 */ 58219523Smdfextern char kernelname[MAXPATHLEN]; 591541Srgrimes 601541Srgrimesextern int tick; /* usec per tick (1000000 / hz) */ 611541Srgrimesextern int hz; /* system clock's frequency */ 6216635Sbdeextern int psratio; /* ratio: prof / stat */ 631541Srgrimesextern int stathz; /* statistics clock's frequency */ 641541Srgrimesextern int profhz; /* profiling clock's frequency */ 65110296Sjakeextern int profprocs; /* number of process's profiling */ 66246037Sjhbextern volatile int ticks; 671549Srgrimes 6855205Speter#endif /* _KERNEL */ 6931234Sbde 701549Srgrimes/* 7110358Sjulian * Enumerated types for known system startup interfaces. 7210358Sjulian * 7310358Sjulian * Startup occurs in ascending numeric order; the list entries are 7410358Sjulian * sorted prior to attempting startup to guarantee order. Items 7510358Sjulian * of the same level are arbitrated for order based on the 'order' 7610358Sjulian * element. 7710358Sjulian * 7810358Sjulian * These numbers are arbitrary and are chosen ONLY for ordering; the 7913765Smpp * enumeration values are explicit rather than implicit to provide 8013765Smpp * for binary compatibility with inserted elements. 8110358Sjulian * 82253604Savg * The SI_SUB_LAST value must have the highest lexical value. 8310358Sjulian * 84158938Sphk * The SI_SUB_SWAP values represent a value used by 85158940Sphk * the BSD 4.4Lite but not by FreeBSD; it is maintained in dependent 8610358Sjulian * order to support porting. 8710358Sjulian */ 8810358Sjulianenum sysinit_sub_id { 8935893Sbde SI_SUB_DUMMY = 0x0000000, /* not executed; for linker*/ 9040136Speter SI_SUB_DONE = 0x0000001, /* processed*/ 9166212Sjhb SI_SUB_TUNABLES = 0x0700000, /* establish tunable values */ 9235893Sbde SI_SUB_COPYRIGHT = 0x0800001, /* first use of console*/ 93134443Srwatson SI_SUB_SETTINGS = 0x0880000, /* check and recheck settings */ 94117494Struckman SI_SUB_MTX_POOL_STATIC = 0x0900000, /* static mutex pool */ 95117660Struckman SI_SUB_LOCKMGR = 0x0980000, /* lockmgr locks */ 9635893Sbde SI_SUB_VM = 0x1000000, /* virtual memory system init*/ 9735893Sbde SI_SUB_KMEM = 0x1800000, /* kernel memory*/ 9857263Sdillon SI_SUB_KVM_RSRC = 0x1A00000, /* kvm operational limits*/ 99255040Sgibbs SI_SUB_HYPERVISOR = 0x1A40000, /* 100255040Sgibbs * Hypervisor detection and 101255040Sgibbs * virtualization support 102255040Sgibbs * setup. 103255040Sgibbs */ 10474912Sjhb SI_SUB_WITNESS = 0x1A80000, /* witness initialization */ 105117494Struckman SI_SUB_MTX_POOL_DYNAMIC = 0x1AC0000, /* dynamic mutex pool */ 106117660Struckman SI_SUB_LOCK = 0x1B00000, /* various locks */ 10769893Sjhb SI_SUB_EVENTHANDLER = 0x1C00000, /* eventhandler init */ 108195760Srwatson SI_SUB_VNET_PRELINK = 0x1E00000, /* vnet init before modules */ 10985835Siwasaki SI_SUB_KLD = 0x2000000, /* KLD and module setup */ 11085835Siwasaki SI_SUB_CPU = 0x2100000, /* CPU resource(s)*/ 111220137Strasz SI_SUB_RACCT = 0x2110000, /* resource accounting */ 112198295Sru SI_SUB_RANDOM = 0x2120000, /* random number generator */ 113179095Sjb SI_SUB_KDTRACE = 0x2140000, /* Kernel dtrace hooks */ 11491701Srwatson SI_SUB_MAC = 0x2180000, /* TrustedBSD MAC subsystem */ 11591701Srwatson SI_SUB_MAC_POLICY = 0x21C0000, /* TrustedBSD MAC policies */ 11696590Srwatson SI_SUB_MAC_LATE = 0x21D0000, /* TrustedBSD MAC subsystem */ 117195760Srwatson SI_SUB_VNET = 0x21E0000, /* vnet 0 */ 11846556Speter SI_SUB_INTRINSIC = 0x2200000, /* proc 0*/ 11964548Speter SI_SUB_VM_CONF = 0x2300000, /* config VM, set limits*/ 120174900Srwatson SI_SUB_DDB_SERVICES = 0x2380000, /* capture, scripting, etc. */ 12164548Speter SI_SUB_RUN_QUEUE = 0x2400000, /* set up run queue*/ 12297987Sjhb SI_SUB_KTRACE = 0x2480000, /* ktrace */ 123179095Sjb SI_SUB_OPENSOLARIS = 0x2490000, /* OpenSolaris compatibility */ 124179095Sjb SI_SUB_CYCLIC = 0x24A0000, /* Cyclic timers */ 125141146Srwatson SI_SUB_AUDIT = 0x24C0000, /* audit */ 12664548Speter SI_SUB_CREATE_INIT = 0x2500000, /* create init process*/ 12765557Sjasone SI_SUB_SCHED_IDLE = 0x2600000, /* required idle procs */ 12866475Sbmilekic SI_SUB_MBUF = 0x2700000, /* mbuf subsystem */ 12972236Sjhb SI_SUB_INTR = 0x2800000, /* interrupt threads */ 130337042Shselasky SI_SUB_TASKQ = 0x2880000, /* task queues */ 131149811Scsjp SI_SUB_ACL = 0x2900000, /* start for filesystem ACLs */ 132337042Shselasky SI_SUB_SOFTINTR = 0x2A00000, /* start soft interrupt thread */ 13389118Smsmith SI_SUB_DEVFS = 0x2F00000, /* devfs ready for devices */ 13483130Sjlemon SI_SUB_INIT_IF = 0x3000000, /* prep for net interfaces */ 135139774Semax SI_SUB_NETGRAPH = 0x3010000, /* Let Netgraph initialize */ 136179095Sjb SI_SUB_DTRACE = 0x3020000, /* DTrace subsystem */ 137179095Sjb SI_SUB_DTRACE_PROVIDER = 0x3048000, /* DTrace providers */ 138179095Sjb SI_SUB_DTRACE_ANON = 0x308C000, /* DTrace anon enabling */ 13964548Speter SI_SUB_DRIVERS = 0x3100000, /* Let Drivers initialize */ 14064548Speter SI_SUB_CONFIGURE = 0x3800000, /* Configure devices */ 14196755Strhodes SI_SUB_VFS = 0x4000000, /* virtual filesystem*/ 14267402Sjhb SI_SUB_CLOCKS = 0x4800000, /* real time and stat clocks*/ 14335893Sbde SI_SUB_CLIST = 0x5800000, /* clists*/ 14435893Sbde SI_SUB_SYSV_SHM = 0x6400000, /* System V shared memory*/ 14535893Sbde SI_SUB_SYSV_SEM = 0x6800000, /* System V semaphores*/ 14635893Sbde SI_SUB_SYSV_MSG = 0x6C00000, /* System V message queues*/ 14735893Sbde SI_SUB_P1003_1B = 0x6E00000, /* P1003.1B realtime */ 14835893Sbde SI_SUB_PSEUDO = 0x7000000, /* pseudo devices*/ 14940435Speter SI_SUB_EXEC = 0x7400000, /* execve() handlers */ 150241724Sandre SI_SUB_PROTO_BEGIN = 0x8000000, /* VNET initialization */ 15135893Sbde SI_SUB_PROTO_IF = 0x8400000, /* interfaces*/ 152195837Srwatson SI_SUB_PROTO_DOMAININIT = 0x8600000, /* domain registration system */ 15335893Sbde SI_SUB_PROTO_DOMAIN = 0x8800000, /* domains (address families?)*/ 154121161Sume SI_SUB_PROTO_IFATTACHDOMAIN = 0x8800001, /* domain dependent data init*/ 155241724Sandre SI_SUB_PROTO_END = 0x8ffffff, /* VNET helper functions */ 15635893Sbde SI_SUB_KPROF = 0x9000000, /* kernel profiling*/ 15735893Sbde SI_SUB_KICK_SCHEDULER = 0xa000000, /* start the timeout events*/ 15835893Sbde SI_SUB_INT_CONFIG_HOOKS = 0xa800000, /* Interrupts enabled config */ 15935893Sbde SI_SUB_ROOT_CONF = 0xb000000, /* Find root devices */ 16035893Sbde SI_SUB_DUMP_CONF = 0xb200000, /* Find dump devices */ 161138440Spjd SI_SUB_RAID = 0xb380000, /* Configure GEOM classes */ 162115767Sgrog SI_SUB_SWAP = 0xc000000, /* swap */ 16335893Sbde SI_SUB_INTRINSIC_POST = 0xd000000, /* proc 0 cleanup*/ 164160882Sjhb SI_SUB_SYSCALLS = 0xd800000, /* register system calls */ 165195760Srwatson SI_SUB_VNET_DONE = 0xdc00000, /* vnet registration complete */ 16635893Sbde SI_SUB_KTHREAD_INIT = 0xe000000, /* init process*/ 16735893Sbde SI_SUB_KTHREAD_PAGE = 0xe400000, /* pageout daemon*/ 16835893Sbde SI_SUB_KTHREAD_VM = 0xe800000, /* vm daemon*/ 16948544Smckusick SI_SUB_KTHREAD_BUF = 0xea00000, /* buffer daemon*/ 17035893Sbde SI_SUB_KTHREAD_UPDATE = 0xec00000, /* update daemon*/ 17135893Sbde SI_SUB_KTHREAD_IDLE = 0xee00000, /* idle procs*/ 17265557Sjasone SI_SUB_SMP = 0xf000000, /* start the APs*/ 173220137Strasz SI_SUB_RACCTD = 0xf100000, /* start raccd*/ 174253604Savg SI_SUB_LAST = 0xfffffff /* final initialization */ 17510358Sjulian}; 17610358Sjulian 17710358Sjulian 17810358Sjulian/* 17910358Sjulian * Some enumerated orders; "ANY" sorts last. 18010358Sjulian */ 18110358Sjulianenum sysinit_elem_order { 18235893Sbde SI_ORDER_FIRST = 0x0000000, /* first*/ 18335893Sbde SI_ORDER_SECOND = 0x0000001, /* second*/ 18435893Sbde SI_ORDER_THIRD = 0x0000002, /* third*/ 185195837Srwatson SI_ORDER_FOURTH = 0x0000003, /* fourth*/ 186358937Shselasky SI_ORDER_FIFTH = 0x0000004, /* fifth*/ 187358937Shselasky SI_ORDER_SIXTH = 0x0000005, /* sixth*/ 188358937Shselasky SI_ORDER_SEVENTH = 0x0000006, /* seventh*/ 189358937Shselasky SI_ORDER_EIGHTH = 0x0000007, /* eighth*/ 19035893Sbde SI_ORDER_MIDDLE = 0x1000000, /* somewhere in the middle */ 19135893Sbde SI_ORDER_ANY = 0xfffffff /* last*/ 19210358Sjulian}; 19310358Sjulian 19410358Sjulian 19510358Sjulian/* 19610358Sjulian * A system initialization call instance 19710358Sjulian * 19843350Sdillon * At the moment there is one instance of sysinit. We probably do not 19943350Sdillon * want two which is why this code is if'd out, but we definitely want 20043350Sdillon * to discern SYSINIT's which take non-constant data pointers and 20143350Sdillon * SYSINIT's which take constant data pointers, 20243385Sdillon * 203137098Sdes * The C_* macros take functions expecting const void * arguments 20443385Sdillon * while the non-C_* macros take functions expecting just void * arguments. 20543385Sdillon * 20643385Sdillon * With -Wcast-qual on, the compiler issues warnings: 20743385Sdillon * - if we pass non-const data or functions taking non-const data 20843385Sdillon * to a C_* macro. 20943385Sdillon * 21043385Sdillon * - if we pass const data to the normal macros 21143385Sdillon * 21243385Sdillon * However, no warning is issued if we pass a function taking const data 21343385Sdillon * through a normal non-const macro. This is ok because the function is 21443385Sdillon * saying it won't modify the data so we don't care whether the data is 21543385Sdillon * modifiable or not. 21610358Sjulian */ 21710358Sjulian 21892719Salfredtypedef void (*sysinit_nfunc_t)(void *); 21992719Salfredtypedef void (*sysinit_cfunc_t)(const void *); 22010358Sjulian 22143385Sdillonstruct sysinit { 22277052Sphk enum sysinit_sub_id subsystem; /* subsystem identifier*/ 22377052Sphk enum sysinit_elem_order order; /* init order within subsystem*/ 22443385Sdillon sysinit_cfunc_t func; /* function */ 22543350Sdillon const void *udata; /* multiplexer/argument */ 22643350Sdillon}; 22743350Sdillon 22810358Sjulian/* 22910358Sjulian * Default: no special processing 23043350Sdillon * 23143350Sdillon * The C_ version of SYSINIT is for data pointers to const 23243350Sdillon * data ( and functions taking data pointers to const data ). 23343350Sdillon * At the moment it is no different from SYSINIT and thus 23443350Sdillon * still results in warnings. 23543350Sdillon * 23643385Sdillon * The casts are necessary to have the compiler produce the 23743385Sdillon * correct warnings when -Wcast-qual is used. 23843385Sdillon * 23910358Sjulian */ 24043385Sdillon#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \ 24141960Sbde static struct sysinit uniquifier ## _sys_init = { \ 24210358Sjulian subsystem, \ 24310358Sjulian order, \ 24410358Sjulian func, \ 24595194Smarkm (ident) \ 24610358Sjulian }; \ 247177254Srwatson DATA_SET(sysinit_set,uniquifier ## _sys_init) 24843350Sdillon 24943385Sdillon#define SYSINIT(uniquifier, subsystem, order, func, ident) \ 25048391Speter C_SYSINIT(uniquifier, subsystem, order, \ 25195194Smarkm (sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident)) 25243350Sdillon 25341053Speter/* 25441053Speter * Called on module unload: no special processing 25541053Speter */ 25643385Sdillon#define C_SYSUNINIT(uniquifier, subsystem, order, func, ident) \ 25741960Sbde static struct sysinit uniquifier ## _sys_uninit = { \ 25841053Speter subsystem, \ 25941053Speter order, \ 26048391Speter func, \ 26195194Smarkm (ident) \ 26241053Speter }; \ 26341171Sbde DATA_SET(sysuninit_set,uniquifier ## _sys_uninit) 26410358Sjulian 26543385Sdillon#define SYSUNINIT(uniquifier, subsystem, order, func, ident) \ 26648391Speter C_SYSUNINIT(uniquifier, subsystem, order, \ 26795194Smarkm (sysinit_cfunc_t)(sysinit_nfunc_t)func, (void *)(ident)) 26843350Sdillon 26992719Salfredvoid sysinit_add(struct sysinit **set, struct sysinit **set_end); 27010358Sjulian 27110358Sjulian/* 27248577Smsmith * Infrastructure for tunable 'constants'. Value may be specified at compile 27348577Smsmith * time or kernel load time. Rules relating tunables together can be placed 274236968Sjhb * in a SYSINIT function at SI_SUB_TUNABLES with SI_ORDER_ANY. 275125795Snjl * 276125795Snjl * WARNING: developers should never use the reserved suffixes specified in 277125795Snjl * loader.conf(5) for any tunables or conflicts will result. 27848577Smsmith */ 27948577Smsmith 280137099Sdes/* 281137099Sdes * int 282137099Sdes * please avoid using for new tunables! 283137099Sdes */ 28477900Speterextern void tunable_int_init(void *); 28577900Speterstruct tunable_int { 28677900Speter const char *path; 28777900Speter int *var; 28877900Speter}; 28977900Speter#define TUNABLE_INT(path, var) \ 290145193Sstefanf static struct tunable_int __CONCAT(__tunable_int_, __LINE__) = { \ 291145193Sstefanf (path), \ 292145193Sstefanf (var), \ 29377900Speter }; \ 294145193Sstefanf SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \ 295145193Sstefanf SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_int_init, \ 296145193Sstefanf &__CONCAT(__tunable_int_, __LINE__)) 29777900Speter 29885386Sjhb#define TUNABLE_INT_FETCH(path, var) getenv_int((path), (var)) 29948577Smsmith 300137099Sdes/* 301137099Sdes * long 302137099Sdes */ 303137099Sdesextern void tunable_long_init(void *); 304137099Sdesstruct tunable_long { 305137099Sdes const char *path; 306137099Sdes long *var; 307137099Sdes}; 308137099Sdes#define TUNABLE_LONG(path, var) \ 309145193Sstefanf static struct tunable_long __CONCAT(__tunable_long_, __LINE__) = { \ 310145193Sstefanf (path), \ 311145193Sstefanf (var), \ 312137099Sdes }; \ 313145193Sstefanf SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \ 314145193Sstefanf SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_long_init,\ 315145193Sstefanf &__CONCAT(__tunable_long_, __LINE__)) 316137099Sdes 317137099Sdes#define TUNABLE_LONG_FETCH(path, var) getenv_long((path), (var)) 318137099Sdes 319137099Sdes/* 320137099Sdes * unsigned long 321137099Sdes */ 322137099Sdesextern void tunable_ulong_init(void *); 323137099Sdesstruct tunable_ulong { 324137099Sdes const char *path; 325137099Sdes unsigned long *var; 326137099Sdes}; 327137099Sdes#define TUNABLE_ULONG(path, var) \ 328145193Sstefanf static struct tunable_ulong __CONCAT(__tunable_ulong_, __LINE__) = { \ 329145193Sstefanf (path), \ 330145193Sstefanf (var), \ 331137099Sdes }; \ 332145193Sstefanf SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \ 333145193Sstefanf SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_ulong_init, \ 334145193Sstefanf &__CONCAT(__tunable_ulong_, __LINE__)) 335137099Sdes 336137099Sdes#define TUNABLE_ULONG_FETCH(path, var) getenv_ulong((path), (var)) 337137099Sdes 338180661Spjd/* 339180661Spjd * quad 340180661Spjd */ 341180661Spjdextern void tunable_quad_init(void *); 342180661Spjdstruct tunable_quad { 343180661Spjd const char *path; 344180661Spjd quad_t *var; 345180661Spjd}; 346180661Spjd#define TUNABLE_QUAD(path, var) \ 347180661Spjd static struct tunable_quad __CONCAT(__tunable_quad_, __LINE__) = { \ 348180661Spjd (path), \ 349180661Spjd (var), \ 350180661Spjd }; \ 351180661Spjd SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \ 352180661Spjd SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_quad_init, \ 353180661Spjd &__CONCAT(__tunable_quad_, __LINE__)) 354180661Spjd 355180661Spjd#define TUNABLE_QUAD_FETCH(path, var) getenv_quad((path), (var)) 356180661Spjd 35777900Speterextern void tunable_str_init(void *); 35877900Speterstruct tunable_str { 35977900Speter const char *path; 36077900Speter char *var; 36177900Speter int size; 36277900Speter}; 36377900Speter#define TUNABLE_STR(path, var, size) \ 364145193Sstefanf static struct tunable_str __CONCAT(__tunable_str_, __LINE__) = { \ 365145193Sstefanf (path), \ 366145193Sstefanf (var), \ 367145193Sstefanf (size), \ 36877900Speter }; \ 369145193Sstefanf SYSINIT(__CONCAT(__Tunable_init_, __LINE__), \ 370145193Sstefanf SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_str_init, \ 371145193Sstefanf &__CONCAT(__tunable_str_, __LINE__)) 37277900Speter 37385386Sjhb#define TUNABLE_STR_FETCH(path, var, size) \ 37485386Sjhb getenv_string((path), (var), (size)) 37570417Speter 37651957Sn_hibmastruct intr_config_hook { 37760938Sjake TAILQ_ENTRY(intr_config_hook) ich_links; 37892719Salfred void (*ich_func)(void *arg); 37951957Sn_hibma void *ich_arg; 38051957Sn_hibma}; 38151957Sn_hibma 38292719Salfredint config_intrhook_establish(struct intr_config_hook *hook); 38392719Salfredvoid config_intrhook_disestablish(struct intr_config_hook *hook); 38451957Sn_hibma 38512901Sbde#endif /* !_SYS_KERNEL_H_*/ 386