xref: /freebsd/sys/conf/NOTES (revision 6521db35aee1ae55604ed70b8a38c88b5ced9514)
12365e64fSRodney W. Grimes#
219dde963SPeter Wemm# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
3f71c01ccSPeter Wemm#
4f71c01ccSPeter Wemm# Lines that begin with 'device', 'options', 'machine', 'ident', 'maxusers',
5f71c01ccSPeter Wemm# 'makeoptions', 'hints' etc go into the kernel configuration that you
6f71c01ccSPeter Wemm# run config(8) with.
7f71c01ccSPeter Wemm#
8f71c01ccSPeter Wemm# Lines that begin with 'hints.' are NOT for config(8), they go into your
9f71c01ccSPeter Wemm# hints file.  See /boot/device.hints and/or the 'hints' config(8) directive.
102365e64fSRodney W. Grimes#
115d4850e7SAlexander Langer# Please use ``make LINT'' to create an old-style LINT file if you want to
125d4850e7SAlexander Langer# do kernel test-builds.
135d4850e7SAlexander Langer#
14c3aac50fSPeter Wemm# $FreeBSD$
152365e64fSRodney W. Grimes#
162365e64fSRodney W. Grimes
176a8d6623SGarrett Wollman#
186a8d6623SGarrett Wollman# This directive is mandatory; it defines the architecture to be
1956be1833SKATO Takenori# configured for; in this case, the 386 family based IBM-PC and
2056be1833SKATO Takenori# compatibles.
216a8d6623SGarrett Wollman#
225895e3c8SPeter Wemmmachine		i386
232365e64fSRodney W. Grimes
246a8d6623SGarrett Wollman#
256a8d6623SGarrett Wollman# This is the ``identification'' of the kernel.  Usually this should
266a8d6623SGarrett Wollman# be the same as the name of your kernel.
276a8d6623SGarrett Wollman#
286a8d6623SGarrett Wollmanident		LINT
296a8d6623SGarrett Wollman
306a8d6623SGarrett Wollman#
316a8d6623SGarrett Wollman# The `maxusers' parameter controls the static sizing of a number of
326a8d6623SGarrett Wollman# internal system tables by a complicated formula defined in param.c.
336a8d6623SGarrett Wollman#
346a8d6623SGarrett Wollmanmaxusers	10
356a8d6623SGarrett Wollman
366a8d6623SGarrett Wollman#
371b3c07c8SPoul-Henning Kamp# We want LINT to cover profiling as well
388a10dafbSPeter Wemmprofile 	2
391b3c07c8SPoul-Henning Kamp
401b3c07c8SPoul-Henning Kamp#
417bf01a14SPeter Wemm# The `makeoptions' parameter allows variables to be passed to the
42503e6666SBruce Evans# generated Makefile in the build area.
43503e6666SBruce Evans#
44503e6666SBruce Evans# CONF_CFLAGS gives some extra compiler flags that are added to ${CFLAGS}
45503e6666SBruce Evans# after most other flags.  Here we use it to inhibit use of non-optimal
46503e6666SBruce Evans# gcc builtin functions (e.g., memcmp).
47503e6666SBruce Evans#
48503e6666SBruce Evans# DEBUG happens to be magic.
497bf01a14SPeter Wemm# The following is equivalent to 'config -g KERNELNAME' and creates
507bf01a14SPeter Wemm# 'kernel.debug' compiled with -g debugging as well as a normal
517bf01a14SPeter Wemm# 'kernel'.  Use 'make install.debug' to install the debug kernel
527bf01a14SPeter Wemm# but that isn't normally necessary as the debug symbols are not loaded
537bf01a14SPeter Wemm# by the kernel and are not useful there anyway.
547bf01a14SPeter Wemm#
552c8635c6SPeter Wemm# KERNEL can be overridden so that you can change the default name of your
562c8635c6SPeter Wemm# kernel.
572c8635c6SPeter Wemm#
58503e6666SBruce Evansmakeoptions	CONF_CFLAGS=-fno-builtin  #Don't allow use of memcmp, etc.
595895e3c8SPeter Wemm#makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
602c8635c6SPeter Wemm#makeoptions	KERNEL=foo		#Build kernel "foo" and install "/foo"
617bf01a14SPeter Wemm
627bf01a14SPeter Wemm#
6398eb9009SSeigo Tanimura# Certain applications can grow to be larger than the 512M limit
64d43f0f0aSJohn Dyson# that FreeBSD initially imposes.  Below are some options to
6598eb9009SSeigo Tanimura# allow that limit to grow to 1GB, and can be increased further
66d43f0f0aSJohn Dyson# with changing the parameters.  MAXDSIZ is the maximum that the
67d43f0f0aSJohn Dyson# limit can be set to, and the DFLDSIZ is the default value for
685ecfb8f9SJim Pirzyk# the limit.  MAXSSIZ is the maximum that the stack limit can be
695ecfb8f9SJim Pirzyk# set to.  You might want to set the default lower than the max,
705ecfb8f9SJim Pirzyk# and explicitly set the maximum with a shell command for processes
71d43f0f0aSJohn Dyson# that regularly exceed the limit like INND.
72d43f0f0aSJohn Dyson#
7398eb9009SSeigo Tanimuraoptions 	MAXDSIZ="(1024UL*1024*1024)"
745ecfb8f9SJim Pirzykoptions 	MAXSSIZ="(128UL*1024*1024)"
7598eb9009SSeigo Tanimuraoptions 	DFLDSIZ="(1024UL*1024*1024)"
76d43f0f0aSJohn Dyson
77a59d364aSMatthew Dillon#
78a59d364aSMatthew Dillon# BLKDEV_IOSIZE sets the default block size used in user block
79a59d364aSMatthew Dillon# device I/O.  Note that this value will be overriden by the label
80a59d364aSMatthew Dillon# when specifying a block device from a label with a non-0
818b22cebbSMatthew Dillon# partition blocksize.  The default is PAGE_SIZE.
82a59d364aSMatthew Dillon#
83a59d364aSMatthew Dillonoptions 	BLKDEV_IOSIZE=8192
84a59d364aSMatthew Dillon
8520f71813SJohn-Mark Gurney# Options for the VM subsystem
869a20f99aSJohn Baldwinoptions 	PQ_CACHESIZE=512	# color for 512k/16k cache
879a20f99aSJohn Baldwin# Deprecated options supported for backwards compatibility
8820f71813SJohn-Mark Gurney#options 	PQ_NOOPT		# No coloring
899a20f99aSJohn Baldwin#options 	PQ_LARGECACHE		# color for 512k/16k cache
9020f71813SJohn-Mark Gurney#options 	PQ_HUGECACHE		# color for 1024k/16k cache
917c43028bSKelly Yancey#options 	PQ_MEDIUMCACHE		# color for 256k/16k cache
927c43028bSKelly Yancey#options 	PQ_NORMALCACHE		# color for 64k/16k cache
9320f71813SJohn-Mark Gurney
94827d623eSJordan K. Hubbard# This allows you to actually store this configuration file into
95827d623eSJordan K. Hubbard# the kernel binary itself, where it may be later read by saying:
96ffd41c98SDoug Barton#    strings -n 3 /boot/kernel/kernel | sed -n 's/^___//p' > MYKERNEL
97827d623eSJordan K. Hubbard#
98827d623eSJordan K. Hubbardoptions 	INCLUDE_CONFIG_FILE     # Include this file in kernel
99827d623eSJordan K. Hubbard
1008b140d57SMike Smith#
1018b140d57SMike Smith# The root device and filesystem type can be compiled in;
1028b140d57SMike Smith# this provides a fallback option if the root device cannot
1038b140d57SMike Smith# be correctly guesst by the bootstrap code, or an override if
1048b140d57SMike Smith# the RB_DFLTROOT flag (-r) is specified when booting the kernel.
1058b140d57SMike Smith#
1068b140d57SMike Smithoptions 	ROOTDEVNAME=\"ufs:da0s2e\"
1078b140d57SMike Smith
1086a8d6623SGarrett Wollman
1096a8d6623SGarrett Wollman#####################################################################
110477a642cSPeter Wemm# SMP OPTIONS:
111477a642cSPeter Wemm#
112477a642cSPeter Wemm# SMP enables building of a Symmetric MultiProcessor Kernel.
113477a642cSPeter Wemm# APIC_IO enables the use of the IO APIC for Symmetric I/O.
114477a642cSPeter Wemm#
115477a642cSPeter Wemm# Notes:
116477a642cSPeter Wemm#
117477a642cSPeter Wemm#  An SMP kernel will ONLY run on an Intel MP spec. qualified motherboard.
118477a642cSPeter Wemm#
1195895e3c8SPeter Wemm#  Be sure to disable 'cpu I386_CPU' && 'cpu I486_CPU' for SMP kernels.
120477a642cSPeter Wemm#
121477a642cSPeter Wemm#  Check the 'Rogue SMP hardware' section to see if additional options
122477a642cSPeter Wemm#   are required by your hardware.
123477a642cSPeter Wemm#
124477a642cSPeter Wemm
125477a642cSPeter Wemm# Mandatory:
126477a642cSPeter Wemmoptions 	SMP			# Symmetric MultiProcessor Kernel
127477a642cSPeter Wemmoptions 	APIC_IO			# Symmetric (APIC) I/O
128477a642cSPeter Wemm
129477a642cSPeter Wemm#
130477a642cSPeter Wemm# Rogue SMP hardware:
131477a642cSPeter Wemm#
132477a642cSPeter Wemm
133477a642cSPeter Wemm# Bridged PCI cards:
134477a642cSPeter Wemm#
135477a642cSPeter Wemm# The MP tables of most of the current generation MP motherboards
136477a642cSPeter Wemm#  do NOT properly support bridged PCI cards.  To use one of these
137477a642cSPeter Wemm#  cards you should refer to ???
138477a642cSPeter Wemm
1391fe4c660SJohn Baldwin# SMP Debugging Options:
1401fe4c660SJohn Baldwin#
141ab4f2c18SJohn Baldwin# MUTEX_DEBUG enables various extra assertions in the mutex code.
1421fe4c660SJohn Baldwin# WITNESS enables the mutex witness code which detects deadlocks and cycles
1431fe4c660SJohn Baldwin#         during locking operations.
144660d1e3aSJohn Baldwin# WITNESS_DDB causes the witness code to drop into the kernel debugger if
145660d1e3aSJohn Baldwin#	  a lock heirarchy violation occurs or if locks are held when going to
146660d1e3aSJohn Baldwin#	  sleep.
147660d1e3aSJohn Baldwin# WITNESS_SKIPSPIN disables the witness checks on spin mutexes.
148ab4f2c18SJohn Baldwinoptions 	MUTEX_DEBUG
1491fe4c660SJohn Baldwinoptions 	WITNESS
150660d1e3aSJohn Baldwinoptions 	WITNESS_DDB
151660d1e3aSJohn Baldwinoptions 	WITNESS_SKIPSPIN
1521fe4c660SJohn Baldwin
153477a642cSPeter Wemm
154477a642cSPeter Wemm#####################################################################
15556be1833SKATO Takenori# CPU OPTIONS
15656be1833SKATO Takenori
15756be1833SKATO Takenori#
15856be1833SKATO Takenori# You must specify at least one CPU (the one you intend to run on);
15956be1833SKATO Takenori# deleting the specification for CPUs you don't need to use may make
160e44a0ea3SPeter Wemm# parts of the system run faster.
161e44a0ea3SPeter Wemm# I386_CPU is mutually exclusive with the other CPU types.
16256be1833SKATO Takenori#
163e44a0ea3SPeter Wemm#cpu		I386_CPU
1645895e3c8SPeter Wemmcpu		I486_CPU
1655895e3c8SPeter Wemmcpu		I586_CPU		# aka Pentium(tm)
1665895e3c8SPeter Wemmcpu		I686_CPU		# aka Pentium Pro(tm)
16756be1833SKATO Takenori
16856be1833SKATO Takenori#
16956be1833SKATO Takenori# Options for CPU features.
17056be1833SKATO Takenori#
17156be1833SKATO Takenori# CPU_BLUELIGHTNING_FPU_OP_CACHE enables FPU operand cache on IBM
17256be1833SKATO Takenori# BlueLightning CPU.  It works only with Cyrix FPU, and this option
17356be1833SKATO Takenori# should not be used with Intel FPU.
17456be1833SKATO Takenori#
17556be1833SKATO Takenori# CPU_BLUELIGHTNING_3X enables triple-clock mode on IBM Blue Lightning
17656be1833SKATO Takenori# CPU if CPU supports it. The default is double-clock mode on
17756be1833SKATO Takenori# BlueLightning CPU box.
17856be1833SKATO Takenori#
17956be1833SKATO Takenori# CPU_BTB_EN enables branch target buffer on Cyrix 5x86 (NOTE 1).
18056be1833SKATO Takenori#
1814962d938SKATO Takenori# CPU_DIRECT_MAPPED_CACHE sets L1 cache of Cyrix 486DLC CPU in direct
1824962d938SKATO Takenori# mapped mode.  Default is 2-way set associative mode.
1834962d938SKATO Takenori#
1846593be60SKATO Takenori# CPU_CYRIX_NO_LOCK enables weak locking for the entire address space
1859b953cf6SDag-Erling Smørgrav# of Cyrix 6x86 and 6x86MX CPUs by setting the NO_LOCK bit of CCR1.
1869b953cf6SDag-Erling Smørgrav# Otherwise, the NO_LOCK bit of CCR1 is cleared.  (NOTE 3)
1876593be60SKATO Takenori#
18856be1833SKATO Takenori# CPU_DISABLE_5X86_LSSER disables load store serialize (i.e. enables
18956be1833SKATO Takenori# reorder).  This option should not be used if you use memory mapped
19056be1833SKATO Takenori# I/O device(s).
19156be1833SKATO Takenori#
1929d146ac5SPeter Wemm# CPU_ENABLE_SSE enables SSE/MMX2 instructions support.
1939d146ac5SPeter Wemm#
19456be1833SKATO Takenori# CPU_FASTER_5X86_FPU enables faster FPU exception handler.
19556be1833SKATO Takenori#
19656be1833SKATO Takenori# CPU_I486_ON_386 enables CPU cache on i486 based CPU upgrade products
19756be1833SKATO Takenori# for i386 machines.
1984962d938SKATO Takenori#
199ec4e5afbSRobert Nordier# CPU_IORT defines I/O clock delay time (NOTE 1).  Default values of
20056be1833SKATO Takenori# I/O clock delay time on Cyrix 5x86 and 6x86 are 0 and 7,respectively
20156be1833SKATO Takenori# (no clock delay).
20256be1833SKATO Takenori#
20365cbb03cSKATO Takenori# CPU_L2_LATENCY specifed the L2 cache latency value.  This option is used
20465cbb03cSKATO Takenori# only when CPU_PPRO2CELERON is defined and Mendocino Celeron is detected.
20565cbb03cSKATO Takenori# The default value is 5.
20665cbb03cSKATO Takenori#
20756be1833SKATO Takenori# CPU_LOOP_EN prevents flushing the prefetch buffer if the destination
20856be1833SKATO Takenori# of a jump is already present in the prefetch buffer on Cyrix 5x86(NOTE
20956be1833SKATO Takenori# 1).
21056be1833SKATO Takenori#
21165cbb03cSKATO Takenori# CPU_PPRO2CELERON enables L2 cache of Mendocino Celeron CPUs.  This option
21265cbb03cSKATO Takenori# is useful when you use Socket 8 to Socket 370 converter, because most Pentium
21365cbb03cSKATO Takenori# Pro BIOSs do not enable L2 cache of Mendocino Celeron CPUs.
21465cbb03cSKATO Takenori#
21556be1833SKATO Takenori# CPU_RSTK_EN enables return stack on Cyrix 5x86 (NOTE 1).
21656be1833SKATO Takenori#
21756be1833SKATO Takenori# CPU_SUSP_HLT enables suspend on HALT.  If this option is set, CPU
21856be1833SKATO Takenori# enters suspend mode following execution of HALT instruction.
21956be1833SKATO Takenori#
2204536af6aSKATO Takenori# CPU_WT_ALLOC enables write allocation on Cyrix 6x86/6x86MX and AMD
2214536af6aSKATO Takenori# K5/K6/K6-2 cpus.
2226593be60SKATO Takenori#
22356be1833SKATO Takenori# CYRIX_CACHE_WORKS enables CPU cache on Cyrix 486 CPUs with cache
22456be1833SKATO Takenori# flush at hold state.
22556be1833SKATO Takenori#
22656be1833SKATO Takenori# CYRIX_CACHE_REALLY_WORKS enables (1) CPU cache on Cyrix 486 CPUs
22756be1833SKATO Takenori# without cache flush at hold state, and (2) write-back CPU cache on
22856be1833SKATO Takenori# Cyrix 6x86 whose revision < 2.7 (NOTE 2).
22956be1833SKATO Takenori#
230b0050656SJohn-Mark Gurney# NO_F00F_HACK disables the hack that prevents Pentiums (and ONLY
231b0050656SJohn-Mark Gurney# Pentiums) from locking up when a LOCK CMPXCHG8B instruction is
232c9e6ddc6SDoug Barton# executed.  This option is only needed if I586_CPU is also defined,
233c9e6ddc6SDoug Barton# and should be included for any non-Pentium CPU that defines it.
234b0050656SJohn-Mark Gurney#
235925f3681SMike Smith# NO_MEMORY_HOLE is an optimisation for systems with AMD K6 processors
236925f3681SMike Smith# which indicates that the 15-16MB range is *definitely* not being
237925f3681SMike Smith# occupied by an ISA memory hole.
238925f3681SMike Smith#
23956be1833SKATO Takenori# NOTE 1: The options, CPU_BTB_EN, CPU_LOOP_EN, CPU_IORT,
240ec4e5afbSRobert Nordier# CPU_LOOP_EN and CPU_RSTK_EN should not be used because of CPU bugs.
24156be1833SKATO Takenori# These options may crash your system.
24256be1833SKATO Takenori#
24356be1833SKATO Takenori# NOTE 2: If CYRIX_CACHE_REALLY_WORKS is not set, CPU cache is enabled
24456be1833SKATO Takenori# in write-through mode when revision < 2.7.  If revision of Cyrix
24556be1833SKATO Takenori# 6x86 >= 2.7, CPU cache is always enabled in write-back mode.
24656be1833SKATO Takenori#
2476593be60SKATO Takenori# NOTE 3: This option may cause failures for software that requires
2486593be60SKATO Takenori# locked cycles in order to operate correctly.
2496593be60SKATO Takenori#
2505895e3c8SPeter Wemmoptions 	CPU_BLUELIGHTNING_FPU_OP_CACHE
2515895e3c8SPeter Wemmoptions 	CPU_BLUELIGHTNING_3X
2525895e3c8SPeter Wemmoptions 	CPU_BTB_EN
2535895e3c8SPeter Wemmoptions 	CPU_DIRECT_MAPPED_CACHE
2545895e3c8SPeter Wemmoptions 	CPU_DISABLE_5X86_LSSER
2559d146ac5SPeter Wemmoptions 	CPU_ENABLE_SSE
2565895e3c8SPeter Wemmoptions 	CPU_FASTER_5X86_FPU
2575895e3c8SPeter Wemmoptions 	CPU_I486_ON_386
2585895e3c8SPeter Wemmoptions 	CPU_IORT
25965cbb03cSKATO Takenorioptions 	CPU_L2_LATENCY=5
2605895e3c8SPeter Wemmoptions 	CPU_LOOP_EN
26165cbb03cSKATO Takenorioptions 	CPU_PPRO2CELERON
2625895e3c8SPeter Wemmoptions 	CPU_RSTK_EN
2635895e3c8SPeter Wemmoptions 	CPU_SUSP_HLT
2645895e3c8SPeter Wemmoptions 	CPU_WT_ALLOC
2655895e3c8SPeter Wemmoptions 	CYRIX_CACHE_WORKS
2665895e3c8SPeter Wemmoptions 	CYRIX_CACHE_REALLY_WORKS
2675895e3c8SPeter Wemm#options 	NO_F00F_HACK
26856be1833SKATO Takenori
26956be1833SKATO Takenori#
27056be1833SKATO Takenori# A math emulator is mandatory if you wish to run on hardware which
27156be1833SKATO Takenori# does not have a floating-point processor.  Pick either the original,
27256be1833SKATO Takenori# bogus (but freely-distributable) math emulator, or a much more
27356be1833SKATO Takenori# fully-featured but GPL-licensed emulator taken from Linux.
27456be1833SKATO Takenori#
27556be1833SKATO Takenorioptions 	MATH_EMULATE		#Support for x87 emulation
27656be1833SKATO Takenori# Don't enable both of these in a real config.
27756be1833SKATO Takenorioptions 	GPL_MATH_EMULATE	#Support for x87 emulation via
27856be1833SKATO Takenori					#new math emulator
27956be1833SKATO Takenori
28056be1833SKATO Takenori
28156be1833SKATO Takenori#####################################################################
2826a8d6623SGarrett Wollman# COMPATIBILITY OPTIONS
283690f540cSAndrey A. Chernov
2846a8d6623SGarrett Wollman#
2856a8d6623SGarrett Wollman# Implement system calls compatible with 4.3BSD and older versions of
28656c7a48cSJordan K. Hubbard# FreeBSD.  You probably do NOT want to remove this as much current code
28756c7a48cSJordan K. Hubbard# still relies on the 4.3 emulation.
2886a8d6623SGarrett Wollman#
2895895e3c8SPeter Wemmoptions 	COMPAT_43
2906a8d6623SGarrett Wollman
2916a8d6623SGarrett Wollman#
2926a8d6623SGarrett Wollman# These three options provide support for System V Interface
2936a8d6623SGarrett Wollman# Definition-style interprocess communication, in the form of shared
2946a8d6623SGarrett Wollman# memory, semaphores, and message queues, respectively.
2956a8d6623SGarrett Wollman#
2966a8d6623SGarrett Wollmanoptions 	SYSVSHM
2976a8d6623SGarrett Wollmanoptions 	SYSVSEM
2986a8d6623SGarrett Wollmanoptions 	SYSVMSG
2996a8d6623SGarrett Wollman
3006a8d6623SGarrett Wollman
3016a8d6623SGarrett Wollman#####################################################################
3026a8d6623SGarrett Wollman# DEBUGGING OPTIONS
3036a8d6623SGarrett Wollman
3046a8d6623SGarrett Wollman#
305b5d89ca8SBruce Evans# Enable the kernel debugger.
3066a8d6623SGarrett Wollman#
307b5d89ca8SBruce Evansoptions 	DDB
308b5d89ca8SBruce Evans
309b5d89ca8SBruce Evans#
3105ccab2afSGary Palmer# Don't drop into DDB for a panic. Intended for unattended operation
3115ccab2afSGary Palmer# where you may want to drop to DDB from the console, but still want
3125ccab2afSGary Palmer# the machine to recover from a panic
3135ccab2afSGary Palmer#
3145ccab2afSGary Palmeroptions 	DDB_UNATTENDED
3155ccab2afSGary Palmer
3165ccab2afSGary Palmer#
317562d05dfSPaul Traina# If using GDB remote mode to debug the kernel, there's a non-standard
318562d05dfSPaul Traina# extension to the remote protocol that can be used to use the serial
319562d05dfSPaul Traina# port as both the debugging port and the system console.  It's non-
320562d05dfSPaul Traina# standard and you're on your own if you enable it.  See also the
321562d05dfSPaul Traina# "remotechat" variables in the FreeBSD specific version of gdb.
322562d05dfSPaul Traina#
323562d05dfSPaul Trainaoptions 	GDB_REMOTE_CHAT
324562d05dfSPaul Traina
325562d05dfSPaul Traina#
3266a8d6623SGarrett Wollman# KTRACE enables the system-call tracing facility ktrace(2).
3276a8d6623SGarrett Wollman#
3282365e64fSRodney W. Grimesoptions 	KTRACE			#kernel tracing
32921c64a07SAndrey A. Chernov
3306a8d6623SGarrett Wollman#
331c508c1b6SJohn Baldwin# KTR is a kernel tracing mechanism imported from BSD/OS.  Currently it
332c508c1b6SJohn Baldwin# has no userland interface aside from a few sysctl's.  It is enabled with
333c508c1b6SJohn Baldwin# the KTR option.  The KTR_EXTEND option causes trace events to be generated
334c508c1b6SJohn Baldwin# as a string from snprintf rather than as a string and up to 5 argument
335c508c1b6SJohn Baldwin# pointers.  KTR_ENTRIES defines the number of entries in the circular trace
336c508c1b6SJohn Baldwin# buffer.  KTR_COMPILE defines the mask of events to compile into the kernel
337c508c1b6SJohn Baldwin# as defined by the KTR_* constants in <sys/ktr.h>.  KTR_MASK defines the
338c508c1b6SJohn Baldwin# initial value of the ktr_mask variable which determines at runtime what
339c508c1b6SJohn Baldwin# events to trace.  KTR_CPUMASK determines which CPU's log events, with
340d902baa4SJohn Baldwin# bit X corresponding to cpu X.  KTR_VERBOSE enables dumping of KTR events
341d902baa4SJohn Baldwin# to the console by default.  This functionality can be toggled via the
342d902baa4SJohn Baldwin# debug.ktr_verbose sysctl and defaults to off if KTR_VERBOSE is not defined.
343c508c1b6SJohn Baldwin#
344c508c1b6SJohn Baldwinoptions 	KTR
345c508c1b6SJohn Baldwinoptions 	KTR_EXTEND
346c508c1b6SJohn Baldwinoptions 	KTR_ENTRIES=1024
347c7ff3825SBruce Evansoptions 	KTR_COMPILE="(KTR_INTR|KTR_PROC)"
348a9672a81SJohn Baldwinoptions 	KTR_MASK=KTR_INTR
349c508c1b6SJohn Baldwinoptions 	KTR_CPUMASK=0x3
350d902baa4SJohn Baldwinoptions 	KTR_VERBOSE
351c508c1b6SJohn Baldwin
352c508c1b6SJohn Baldwin#
3535526d2d9SEivind Eklund# The INVARIANTS option is used in a number of source files to enable
3546a8d6623SGarrett Wollman# extra sanity checking of internal structures.  This support is not
3556a8d6623SGarrett Wollman# enabled by default because of the extra time it would take to check
3566a8d6623SGarrett Wollman# for these conditions, which can only occur as a result of
3576a8d6623SGarrett Wollman# programming errors.
3586a8d6623SGarrett Wollman#
3595526d2d9SEivind Eklundoptions 	INVARIANTS
3605526d2d9SEivind Eklund
3615526d2d9SEivind Eklund#
36234b15f2aSJohn Baldwin# The INVARIANT_SUPPORT option makes us compile in support for
36334b15f2aSJohn Baldwin# verifying some of the internal structures.  It is a prerequisite for
36434b15f2aSJohn Baldwin# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be
36534b15f2aSJohn Baldwin# called.  The intent is that you can set 'INVARIANTS' for single
36634b15f2aSJohn Baldwin# source files (by changing the source file or specifying it on the
36734b15f2aSJohn Baldwin# command line) if you have 'INVARIANT_SUPPORT' enabled.  Also, if you
36834b15f2aSJohn Baldwin# wish to build a kernel module with 'INVARIANTS', then adding
36934b15f2aSJohn Baldwin# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary
37034b15f2aSJohn Baldwin# infrastructure without the added overhead.
37134b15f2aSJohn Baldwin#
37234b15f2aSJohn Baldwinoptions 	INVARIANT_SUPPORT
37334b15f2aSJohn Baldwin
37434b15f2aSJohn Baldwin#
3755526d2d9SEivind Eklund# The DIAGNOSTIC option is used to enable extra debugging information
3765526d2d9SEivind Eklund# from some parts of the kernel.  As this makes everything more noisy,
3775526d2d9SEivind Eklund# it is disabled by default.
3785526d2d9SEivind Eklund#
3790dc7d907SPoul-Henning Kampoptions 	DIAGNOSTIC
380da59a31cSDavid Greenman
3810dd1eea1SJordan K. Hubbard#
3820b5438c6SRobert Watson# REGRESSION causes optional kernel interfaces necessary only for regression
3830b5438c6SRobert Watson# testing to be enabled.  These interfaces may consitute security risks
3840b5438c6SRobert Watson# when enabled, as they permit processes to easily modify aspects of the
3850b5438c6SRobert Watson# run-time environment to reproduce unlikely or unusual (possibly normally
3860b5438c6SRobert Watson# impossible) scenarios.
3870b5438c6SRobert Watson#
3880b5438c6SRobert Watsonoptions		REGRESSION
3890b5438c6SRobert Watson
3900b5438c6SRobert Watson#
391348acd94SGarrett Wollman# PERFMON causes the driver for Pentium/Pentium Pro performance counters
392348acd94SGarrett Wollman# to be compiled.  See perfmon(4) for more information.
393348acd94SGarrett Wollman#
394348acd94SGarrett Wollmanoptions 	PERFMON
395348acd94SGarrett Wollman
396346ebe51SEivind Eklund
397346ebe51SEivind Eklund#
398346ebe51SEivind Eklund# This option let some drivers co-exist that can't co-exist in a running
399346ebe51SEivind Eklund# system.  This is used to be able to compile all kernel code in one go for
400346ebe51SEivind Eklund# quality assurance purposes (like this file, which the option takes it name
401346ebe51SEivind Eklund# from.)
402346ebe51SEivind Eklund#
403346ebe51SEivind Eklundoptions 	COMPILING_LINT
404346ebe51SEivind Eklund
405346ebe51SEivind Eklund
406348acd94SGarrett Wollman# XXX - this doesn't belong here.
4070dd1eea1SJordan K. Hubbard# Allow ordinary users to take the console - this is useful for X.
4080dd1eea1SJordan K. Hubbardoptions 	UCONSOLE
4090dd1eea1SJordan K. Hubbard
41096fc6efbSPoul-Henning Kamp# XXX - this doesn't belong here either
4112398f0cdSPeter Wemm#options 	USERCONFIG		#boot -c editor
4122398f0cdSPeter Wemm#options 	INTRO_USERCONFIG	#imply -c and show intro screen
4132398f0cdSPeter Wemm#options 	VISUAL_USERCONFIG	#visual boot -c editor
4146a8d6623SGarrett Wollman
4156a8d6623SGarrett Wollman#####################################################################
4166a8d6623SGarrett Wollman# NETWORKING OPTIONS
41770c0b54cSAndrey A. Chernov
4186a8d6623SGarrett Wollman#
4196a8d6623SGarrett Wollman# Protocol families:
4206a8d6623SGarrett Wollman#  Only the INET (Internet) family is officially supported in FreeBSD.
42111bfa65aSBruce Evans#  Source code for the NS (Xerox Network Service) is provided for amusement
42211bfa65aSBruce Evans#  value.
4236a8d6623SGarrett Wollman#
4246a8d6623SGarrett Wollmanoptions 	INET			#Internet communications protocols
42551f4c152SYoshinobu Inoueoptions 	INET6			#IPv6 communications protocols
4266a800098SYoshinobu Inoueoptions 	IPSEC			#IP security
4276a800098SYoshinobu Inoueoptions 	IPSEC_ESP		#IP security (crypto; define w/ IPSEC)
4286a800098SYoshinobu Inoueoptions 	IPSEC_DEBUG		#debug for IP security
429f73bbaf2SDavid Greenman
430cc6a66f2SJulian Elischeroptions 	IPX			#IPX/SPX communications protocols
431cc6a66f2SJulian Elischeroptions 	IPXIP			#IPX in IP encapsulation (not available)
432cc6a66f2SJulian Elischeroptions 	IPTUNNEL		#IP in IPX encapsulation (not available)
433cc6a66f2SJulian Elischer
434e83e2322SBoris Popovoptions 	NCP			#NetWare Core protocol
435e83e2322SBoris Popov
43634b5fca7SJulian Elischeroptions 	NETATALK		#Appletalk communications protocols
4378b6f5e65SJeroen Ruigrok van der Wervenoptions 	NETATALKDEBUG		#Appletalk debugging
43834b5fca7SJulian Elischer
43911bfa65aSBruce Evans# These are currently broken but are shipped due to interest.
44011bfa65aSBruce Evans#options 	NS			#Xerox NS protocols
441dc915e7cSGarrett Wollman#options 	NSIP			#XNS over IP
44263a74862SSteven Wallace
443d8589bd5SBoris Popov# mchain library. It can be either loaded as KLD or compiled into kernel
444d8589bd5SBoris Popovoptions 	LIBMCHAIN
445d8589bd5SBoris Popov
4464cf49a43SJulian Elischer# netgraph(4). Enable the base netgraph code with the NETGRAPH option.
4474cf49a43SJulian Elischer# Individual node types can be enabled with the corresponding option
4484cf49a43SJulian Elischer# listed below; however, this is not strictly necessary as netgraph
4494cf49a43SJulian Elischer# will automatically load the corresponding KLD module if the node type
45092a3e552SArchie Cobbs# is not already compiled into the kernel. Each type below has a
45192a3e552SArchie Cobbs# corresponding man page, e.g., ng_async(8).
4524cf49a43SJulian Elischeroptions 	NETGRAPH		#netgraph(4) system
4534cf49a43SJulian Elischeroptions 	NETGRAPH_ASYNC
45492a3e552SArchie Cobbsoptions 	NETGRAPH_BPF
4554cf49a43SJulian Elischeroptions 	NETGRAPH_CISCO
4564cf49a43SJulian Elischeroptions 	NETGRAPH_ECHO
45746aa8b9bSArchie Cobbsoptions 	NETGRAPH_ETHER
4584cf49a43SJulian Elischeroptions 	NETGRAPH_FRAME_RELAY
4594cf49a43SJulian Elischeroptions 	NETGRAPH_HOLE
4604cf49a43SJulian Elischeroptions 	NETGRAPH_IFACE
46148e94174SArchie Cobbsoptions 	NETGRAPH_KSOCKET
4624cf49a43SJulian Elischeroptions 	NETGRAPH_LMI
463a2b408adSArchie Cobbs# MPPC compression requires proprietary files (not included)
464a2b408adSArchie Cobbs#options 	NETGRAPH_MPPC_COMPRESSION
465a2b408adSArchie Cobbsoptions 	NETGRAPH_MPPC_ENCRYPTION
4667d7a5b89SArchie Cobbsoptions 	NETGRAPH_ONE2MANY
467b0801bacSArchie Cobbsoptions 	NETGRAPH_PPP
468b0801bacSArchie Cobbsoptions 	NETGRAPH_PPPOE
469add85a1dSArchie Cobbsoptions 	NETGRAPH_PPTPGRE
4704cf49a43SJulian Elischeroptions 	NETGRAPH_RFC1490
471b0801bacSArchie Cobbsoptions 	NETGRAPH_SOCKET
4724cf49a43SJulian Elischeroptions 	NETGRAPH_TEE
4734cf49a43SJulian Elischeroptions 	NETGRAPH_TTY
4744cf49a43SJulian Elischeroptions 	NETGRAPH_UI
475b58a8a3bSJulian Elischeroptions 	NETGRAPH_VJC
4764cf49a43SJulian Elischer
477c9953c3bSPeter Wemmdevice		mn	# Munich32x/Falc54 Nx64kbit/sec cards.
478599fcb02SPoul-Henning Kampdevice		lmc	# tulip based LanMedia WAN cards
47948ecc012SPoul-Henning Kampdevice		musycc	# LMC/SBE LMC1504 quad T1/E1
4803cf4d0bfSPoul-Henning Kamp
4816a8d6623SGarrett Wollman#
4826a8d6623SGarrett Wollman# Network interfaces:
483f71c01ccSPeter Wemm#  The `loop' device is MANDATORY when networking is enabled.
484f71c01ccSPeter Wemm#  The `ether' device provides generic code to handle
48556c7a48cSJordan K. Hubbard#  Ethernets; it is MANDATORY when a Ethernet device driver is
486722012ccSJulian Elischer#  configured or token-ring is enabled.
4871a02faf6SGarrett Wollman#  The `fddi' device provides generic code to support FDDI.
488f71c01ccSPeter Wemm#  The `sppp' device serves a similar role for certain types
489e7c234a1SPeter Wemm#  of synchronous PPP links (like `cx', `ar').
490f71c01ccSPeter Wemm#  The `sl' device implements the Serial Line IP (SLIP) service.
491f71c01ccSPeter Wemm#  The `ppp' device implements the Point-to-Point Protocol.
492f71c01ccSPeter Wemm#  The `bpf' device enables the Berkeley Packet Filter.  Be
493d29895dcSGarrett Wollman#  aware of the legal and administrative consequences of enabling this
494d29895dcSGarrett Wollman#  option.  The number of devices determines the maximum number of
495d29895dcSGarrett Wollman#  simultaneous BPF clients programs runnable.
496f71c01ccSPeter Wemm#  The `disc' device implements a minimal network interface,
49759d8d13fSGarrett Wollman#  which throws away all packets sent and never receives any.  It is
4981a02faf6SGarrett Wollman#  included for testing purposes.  This shows up as the `ds' interface.
4994c12b435SNick Sayer#  The `tap' device is a pty-like virtual Ethernet interface
500f71c01ccSPeter Wemm#  The `tun' device implements (user-)ppp and nos-tun
501f71c01ccSPeter Wemm#  The `gif' device implements IPv6 over IP4 tunneling,
502cfa1ca9dSYoshinobu Inoue#  IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and
503cfa1ca9dSYoshinobu Inoue#  IPv6 over IPv6 tunneling.
504f57fc21cSJeroen Ruigrok van der Werven#  The XBONEHACK option allows the same pair of addresses to be configured on
505f57fc21cSJeroen Ruigrok van der Werven#  multiple gif interfaces.
506f71c01ccSPeter Wemm#  The `faith' device captures packets sent to it and diverts them
507cfa1ca9dSYoshinobu Inoue#  to the IPv4/IPv6 translation daemon.
508d5015639SMunechika SUMIKAWA#  The `stf' device implements 6to4 encapsulation.
509f71c01ccSPeter Wemm#  The `ef' device provides support for multiple ethernet frame types
5105d94d71cSBoris Popov#  specified via ETHER_* options. See ef(4) for details.
5116a8d6623SGarrett Wollman#
512829b5d55SPeter Wemm# The PPP_BSDCOMP option enables support for compress(1) style entire
513829b5d55SPeter Wemm# packet compression, the PPP_DEFLATE is for zlib/gzip style compression.
514829b5d55SPeter Wemm# PPP_FILTER enables code for filtering the ppp data stream and selecting
5156b5ca0d8SDag-Erling Smørgrav# events for resetting the demand dial activity timer - requires bpf.
516829b5d55SPeter Wemm# See pppd(8) for more details.
51789327d27SPeter Wemm#
518f71c01ccSPeter Wemmdevice		ether			#Generic Ethernet
519f71c01ccSPeter Wemmdevice		vlan	1		#VLAN support
520f71c01ccSPeter Wemmdevice		token			#Generic TokenRing
521f71c01ccSPeter Wemmdevice		fddi			#Generic FDDI
522f71c01ccSPeter Wemmdevice		sppp			#Generic Synchronous PPP
523f71c01ccSPeter Wemmdevice		loop	1		#Network loopback device
524f71c01ccSPeter Wemmdevice		bpf			#Berkeley packet filter
525f71c01ccSPeter Wemmdevice		disc			#Discard device (ds0, ds1, etc)
5264c12b435SNick Sayerdevice		tap			#Virtual Ethernet driver
527f71c01ccSPeter Wemmdevice		tun			#Tunnel driver (ppp(8), nos-tun(8))
528f71c01ccSPeter Wemmdevice		sl			#Serial Line IP
529f71c01ccSPeter Wemmdevice		ppp	2		#Point-to-point protocol
53089327d27SPeter Wemmoptions 	PPP_BSDCOMP		#PPP BSD-compress support
53189327d27SPeter Wemmoptions 	PPP_DEFLATE		#PPP zlib/deflate/gzip support
5326b5ca0d8SDag-Erling Smørgravoptions 	PPP_FILTER		#enable bpf filtering (needs bpf)
533d29895dcSGarrett Wollman
534f71c01ccSPeter Wemmdevice		ef			# Multiple ethernet frames support
5355d94d71cSBoris Popovoptions 	ETHER_II		# enable Ethernet_II frame
5365d94d71cSBoris Popovoptions 	ETHER_8023		# enable Ethernet_802.3 (Novell) frame
5375d94d71cSBoris Popovoptions 	ETHER_8022		# enable Ethernet_802.2 frame
5385d94d71cSBoris Popovoptions 	ETHER_SNAP		# enable Ethernet_802.2/SNAP frame
5395d94d71cSBoris Popov
540cfa1ca9dSYoshinobu Inoue# for IPv6
5419753d2f8SBrooks Davisdevice		gif			#IPv6 and IPv4 tunneling
542f57fc21cSJeroen Ruigrok van der Wervenoptions 	XBONEHACK
543f71c01ccSPeter Wemmdevice		faith	1		#for IPv6 and IPv4 translation
544d5015639SMunechika SUMIKAWAdevice		stf			#6to4 IPv6 over IPv4 encapsulation
545cfa1ca9dSYoshinobu Inoue
5466a8d6623SGarrett Wollman#
5476a8d6623SGarrett Wollman# Internet family options:
5486a8d6623SGarrett Wollman#
5496a8d6623SGarrett Wollman# MROUTING enables the kernel multicast packet forwarder, which works
5506a8d6623SGarrett Wollman# with mrouted(8).
5516a8d6623SGarrett Wollman#
552d29895dcSGarrett Wollman# IPFIREWALL enables support for IP firewall construction, in
553ff6f025aSAlexander Langer# conjunction with the `ipfw' program.  IPFIREWALL_VERBOSE sends
554ff6f025aSAlexander Langer# logged packets to the system logger.  IPFIREWALL_VERBOSE_LIMIT
555ff6f025aSAlexander Langer# limits the number of times a matching entry can be logged.
556ab6e02daSJordan K. Hubbard#
557ab6e02daSJordan K. Hubbard# WARNING:  IPFIREWALL defaults to a policy of "deny ip from any to any"
558ab6e02daSJordan K. Hubbard# and if you do not add other rules during startup to allow access,
559a236d14cSJordan K. Hubbard# YOU WILL LOCK YOURSELF OUT.  It is suggested that you set firewall_type=open
560ab6e02daSJordan K. Hubbard# in /etc/rc.conf when first enabling this feature, then refining the
561ab6e02daSJordan K. Hubbard# firewall rules in /etc/rc.firewall after you've tested that the new kernel
562ab6e02daSJordan K. Hubbard# feature works properly.
5638dd4744eSJordan K. Hubbard#
564ffdd472dSPeter Wemm# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to
565ffdd472dSPeter Wemm# allow everything.  Use with care, if a cracker can crash your
566ffdd472dSPeter Wemm# firewall machine, they can get to your protected machines.  However,
567ffdd472dSPeter Wemm# if you are using it as an as-needed filter for specific problems as
568ffdd472dSPeter Wemm# they arise, then this may be for you.  Changing the default to 'allow'
569ffdd472dSPeter Wemm# means that you won't get stuck if the kernel and /sbin/ipfw binary get
570ffdd472dSPeter Wemm# out of sync.
571d29895dcSGarrett Wollman#
57293e0e116SJulian Elischer# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''
57393e0e116SJulian Elischer#
5741b968362SDag-Erling Smørgrav# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding
5751b968362SDag-Erling Smørgrav# packets without touching the ttl).  This can be useful to hide firewalls
5761b968362SDag-Erling Smørgrav# from traceroute and similar tools.
5771b968362SDag-Erling Smørgrav#
5785e331acdSGarrett Wollman# TCPDEBUG enables code which keeps traces of the TCP state machine
5795e331acdSGarrett Wollman# for sockets with the SO_DEBUG option set, which can then be examined
5805e331acdSGarrett Wollman# using the trpt(8) utility.
58165e8111fSBruce Evans#
582e3178a06SJordan K. Hubbardoptions 	MROUTING		# Multicast routing
583d29895dcSGarrett Wollmanoptions 	IPFIREWALL		#firewall
584d29895dcSGarrett Wollmanoptions 	IPFIREWALL_VERBOSE	#print information about
585d29895dcSGarrett Wollman					# dropped packets
5861857b6feSDag-Erling Smørgravoptions 	IPFIREWALL_FORWARD	#enable transparent proxy support
5875895e3c8SPeter Wemmoptions 	IPFIREWALL_VERBOSE_LIMIT=100	#limit verbosity
588e43a9900SAlexander Langeroptions 	IPFIREWALL_DEFAULT_TO_ACCEPT	#allow everything by default
589210d0432SYoshinobu Inoueoptions 	IPV6FIREWALL		#firewall for IPv6
590210d0432SYoshinobu Inoueoptions 	IPV6FIREWALL_VERBOSE
591210d0432SYoshinobu Inoueoptions 	IPV6FIREWALL_VERBOSE_LIMIT=100
592210d0432SYoshinobu Inoueoptions 	IPV6FIREWALL_DEFAULT_TO_ACCEPT
59393e0e116SJulian Elischeroptions 	IPDIVERT		#divert sockets
5949cc86ee9SGuido van Rooijoptions 	IPFILTER		#ipfilter support
5959cc86ee9SGuido van Rooijoptions 	IPFILTER_LOG		#ipfilter logging
5968259bcdfSJeroen Ruigrok van der Wervenoptions 	IPFILTER_DEFAULT_BLOCK	#block all packets by default
5971b968362SDag-Erling Smørgravoptions 	IPSTEALTH		#support for stealth forwarding
59865e8111fSBruce Evansoptions 	TCPDEBUG
5996a8d6623SGarrett Wollman
60064dddc18SKris Kennaway# RANDOM_IP_ID causes the ID field in IP packets to be randomized
60164dddc18SKris Kennaway# instead of incremented by 1 with each packet generated.  This
60264dddc18SKris Kennaway# option closes a minor information leak which allows remote
60364dddc18SKris Kennaway# observers to determine the rate of packet generation on the
60464dddc18SKris Kennaway# machine by watching the counter.
60564dddc18SKris Kennawayoptions		RANDOM_IP_ID
60664dddc18SKris Kennaway
607a79b7128SAlfred Perlstein# Statically Link in accept filters
608a79b7128SAlfred Perlsteinoptions		ACCEPT_FILTER_DATA
609a79b7128SAlfred Perlsteinoptions		ACCEPT_FILTER_HTTP
610a79b7128SAlfred Perlstein
611e46cd3d4SDag-Erling Smørgrav# TCP_DROP_SYNFIN adds support for ignoring TCP packets with SYN+FIN. This
612e46cd3d4SDag-Erling Smørgrav# prevents nmap et al. from identifying the TCP/IP stack, but breaks support
613e46cd3d4SDag-Erling Smørgrav# for RFC1644 extensions and is not recommended for web servers.
614e46cd3d4SDag-Erling Smørgrav#
615e46cd3d4SDag-Erling Smørgravoptions 	TCP_DROP_SYNFIN		#drop TCP packets with SYN+FIN
616e46cd3d4SDag-Erling Smørgrav
61768e9d934SLuigi Rizzo# DUMMYNET enables the "dummynet" bandwidth limiter. You need
61868e9d934SLuigi Rizzo# IPFIREWALL as well. See the dummynet(4) manpage for more info.
61968e9d934SLuigi Rizzo# BRIDGE enables bridging between ethernet cards -- see bridge(4).
62068e9d934SLuigi Rizzo# You can use IPFIREWALL and dummynet together with bridging.
62168ec4eb6SLuigi Rizzooptions 	DUMMYNET
62268ec4eb6SLuigi Rizzooptions 	BRIDGE
62368e9d934SLuigi Rizzo
6243f8c4506SPoul-Henning Kamp#
6253f8c4506SPoul-Henning Kamp# ATM (HARP version) options
6263f8c4506SPoul-Henning Kamp#
6273f8c4506SPoul-Henning Kamp# ATM_CORE includes the base ATM functionality code.  This must be included
6283f8c4506SPoul-Henning Kamp#	for ATM support.
6293f8c4506SPoul-Henning Kamp#
6303f8c4506SPoul-Henning Kamp# ATM_IP includes support for running IP over ATM.
6313f8c4506SPoul-Henning Kamp#
6323f8c4506SPoul-Henning Kamp# At least one (and usually only one) of the following signalling managers
6333f8c4506SPoul-Henning Kamp# must be included (note that all signalling managers include PVC support):
6343f8c4506SPoul-Henning Kamp# ATM_SIGPVC includes support for the PVC-only signalling manager `sigpvc'.
6353f8c4506SPoul-Henning Kamp# ATM_SPANS includes support for the `spans' signalling manager, which runs
6363f8c4506SPoul-Henning Kamp#	the FORE Systems's proprietary SPANS signalling protocol.
6373f8c4506SPoul-Henning Kamp# ATM_UNI includes support for the `uni30' and `uni31' signalling managers,
6383f8c4506SPoul-Henning Kamp#	which run the ATM Forum UNI 3.x signalling protocols.
6393f8c4506SPoul-Henning Kamp#
6403f8c4506SPoul-Henning Kamp# The `hea' driver provides support for the Efficient Networks, Inc.
6413f8c4506SPoul-Henning Kamp# ENI-155p ATM PCI Adapter.
6423f8c4506SPoul-Henning Kamp#
6433f8c4506SPoul-Henning Kamp# The `hfa' driver provides support for the FORE Systems, Inc.
6443f8c4506SPoul-Henning Kamp# PCA-200E ATM PCI Adapter.
6453f8c4506SPoul-Henning Kamp#
6463f8c4506SPoul-Henning Kampoptions 	ATM_CORE		#core ATM protocol family
6473f8c4506SPoul-Henning Kampoptions 	ATM_IP			#IP over ATM support
6483f8c4506SPoul-Henning Kampoptions 	ATM_SIGPVC		#SIGPVC signalling manager
6493f8c4506SPoul-Henning Kampoptions 	ATM_SPANS		#SPANS signalling manager
6503f8c4506SPoul-Henning Kampoptions 	ATM_UNI			#UNI signalling manager
651c9953c3bSPeter Wemmdevice		hea			#Efficient ENI-155p ATM PCI
652c9953c3bSPeter Wemmdevice		hfa			#FORE PCA-200E ATM PCI
6533f8c4506SPoul-Henning Kamp
6546a8d6623SGarrett Wollman
6556a8d6623SGarrett Wollman#####################################################################
6566a8d6623SGarrett Wollman# FILESYSTEM OPTIONS
657e3178a06SJordan K. Hubbard
6582365e64fSRodney W. Grimes#
6596a8d6623SGarrett Wollman# Only the root, /usr, and /tmp filesystems need be statically
6606a8d6623SGarrett Wollman# compiled; everything else will be automatically loaded at mount
661888a8e35SPoul-Henning Kamp# time.  (Exception: the UFS family--- FFS --- cannot
6626a8d6623SGarrett Wollman# currently be demand-loaded.)  Some people still prefer to statically
6636a8d6623SGarrett Wollman# compile other filesystems as well.
6646a8d6623SGarrett Wollman#
665a5b88b01SKATO Takenori# NB: The NULL, PORTAL, UMAP and UNION filesystems are known to be
666a5b88b01SKATO Takenori# buggy, and WILL panic your system if you attempt to do anything with
667a5b88b01SKATO Takenori# them.  They are included here as an incentive for some enterprising
668a5b88b01SKATO Takenori# soul to sit down and fix them.
6692365e64fSRodney W. Grimes#
670f1a9c715SDavid Greenman
6716a8d6623SGarrett Wollman# One of these is mandatory:
6726a8d6623SGarrett Wollmanoptions 	FFS			#Fast filesystem
6736a8d6623SGarrett Wollmanoptions 	NFS			#Network File System
6746a8d6623SGarrett Wollman
6756a8d6623SGarrett Wollman# The rest are optional:
6767c115697SPoul-Henning Kamp#options 	NFS_NOSERVER		#Disable the NFS-server code.
6775895e3c8SPeter Wemmoptions 	CD9660			#ISO 9660 filesystem
67899d300a1SRuslan Ermilovoptions 	FDESCFS			#File descriptor filesystem
6790adb9b96SPeter Wemmoptions 	HPFS			#OS/2 File system
680dba11ce5SAlexander Langeroptions 	MSDOSFS			#MS DOS File System (FAT, FAT32)
6813ee9bf69SEivind Eklundoptions 	NTFS			#NT File System
682f1a9c715SDavid Greenmanoptions 	NULLFS			#NULL filesystem
683e83e2322SBoris Popovoptions 	NWFS			#NetWare filesystem
68499d300a1SRuslan Ermilovoptions 	PORTALFS		#Portal filesystem
685f1a9c715SDavid Greenmanoptions 	PROCFS			#Process filesystem
68652ebde4fSDag-Erling Smørgravoptions 	PSEUDOFS		#Pseudo-filesystem framework
687f1a9c715SDavid Greenmanoptions 	UMAPFS			#UID map filesystem
68899d300a1SRuslan Ermilovoptions 	UNIONFS			#Union filesystem
689ab9f3b29SPoul-Henning Kamp# options 	NODEVFS			#disable devices filesystem
690bcf77694SPeter Wemm# The xFS_ROOT options REQUIRE the associated ``options xFS''
691bcf77694SPeter Wemmoptions 	NFS_ROOT		#NFS usable as root device
6920b0c10b4SAdrian Chadd# This code enables IFS, an FFS which exports inodes as the namespace.
6930b0c10b4SAdrian Chadd# You can find details in src/sys/ufs/ifs/README .
6940b0c10b4SAdrian Chaddoptions		IFS
695f1a9c715SDavid Greenman
696d0a28bafSAlexander Langer# Soft updates is a technique for improving file system speed and
697d61e6649SAlexander Langer# making abrupt shutdown less risky.
698f8f8d7afSEivind Eklund#
6993d5c4fdcSPoul-Henning Kampoptions 	SOFTUPDATES
700b1897c19SJulian Elischer
701a64ed089SRobert Watson# Extended attributes allow additional data to be associated with files,
70251be6918SChris D. Faulhaber# and is used for ACLs, Capabilities, and MAC labels.
70351be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.extattr for more information.
70449993db0SRobert Watsonoptions		UFS_EXTATTR
70549993db0SRobert Watsonoptions		UFS_EXTATTR_AUTOSTART
706a64ed089SRobert Watson
70751be6918SChris D. Faulhaber# Access Control List support for UFS filesystems.  The current ACL
70851be6918SChris D. Faulhaber# implementation requires extended attribute support, UFS_EXTATTR,
70951be6918SChris D. Faulhaber# for the underlying filesystem.
71051be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.acls for more information.
71151be6918SChris D. Faulhaberoptions 	UFS_ACL
71251be6918SChris D. Faulhaber
7139b5ad47fSIan Dowse# Directory hashing improves the speed of operations on very large
7149b5ad47fSIan Dowse# directories at the expense of some memory.
7159b5ad47fSIan Dowseoptions		UFS_DIRHASH
7169b5ad47fSIan Dowse
71771e4fff8SPoul-Henning Kamp# Make space in the kernel for a root filesystem on a md device.
71871e4fff8SPoul-Henning Kamp# Define to the number of kilobytes to reserve for the filesystem.
71971e4fff8SPoul-Henning Kampoptions 	MD_ROOT_SIZE=10
72071e4fff8SPoul-Henning Kamp
72171e4fff8SPoul-Henning Kamp# Make the md device a potential root device, either with preloaded
72271e4fff8SPoul-Henning Kamp# images of type mfs_root or md_root.
72371e4fff8SPoul-Henning Kampoptions 	MD_ROOT
724d52d7365SPoul-Henning Kamp
725a401ebbeSDavid Greenman# Allow this many swap-devices.
7268f7939aeSMatthew Dillon#
7278f7939aeSMatthew Dillon# In order to manage swap, the system must reserve bitmap space that
7288f7939aeSMatthew Dillon# scales with the largest mounted swap device multiplied by NSWAPDEV,
7298f7939aeSMatthew Dillon# irregardless of whether other swap devices exist or not.  So it
7308f7939aeSMatthew Dillon# is not a good idea to make this value too large.
7312727da4cSDag-Erling Smørgravoptions 	NSWAPDEV=5
732a401ebbeSDavid Greenman
733495967e4SEivind Eklund# Disk quotas are supported when this option is enabled.
7342365e64fSRodney W. Grimesoptions 	QUOTA			#enable disk quotas
7356a8d6623SGarrett Wollman
736276756a4SDag-Erling Smørgrav# If you are running a machine just as a fileserver for PC and MAC
737276756a4SDag-Erling Smørgrav# users, using SAMBA or Netatalk, you may consider setting this option
738276756a4SDag-Erling Smørgrav# and keeping all those users' directories on a filesystem that is
739276756a4SDag-Erling Smørgrav# mounted with the suiddir option. This gives new files the same
740ec4e5afbSRobert Nordier# ownership as the directory (similar to group). It's a security hole
7416110161fSDag-Erling Smørgrav# if you let these users run programs, so confine it to file-servers
742276756a4SDag-Erling Smørgrav# (but it'll save you lots of headaches in those cases). Root owned
743276756a4SDag-Erling Smørgrav# directories are exempt and X bits are cleared. The suid bit must be
744276756a4SDag-Erling Smørgrav# set on the directory as well; see chmod(1) PC owners can't see/set
745276756a4SDag-Erling Smørgrav# ownerships so they keep getting their toes trodden on. This saves
746276756a4SDag-Erling Smørgrav# you all the support calls as the filesystem it's used on will act as
747276756a4SDag-Erling Smørgrav# they expect: "It's my dir so it must be my file".
748cb800e34SJulian Elischer#
749cb800e34SJulian Elischeroptions 	SUIDDIR
750cb800e34SJulian Elischer
751df394affSJohn-Mark Gurney# NFS options:
7525895e3c8SPeter Wemmoptions 	NFS_MINATTRTIMO=3	# VREG attrib cache timeout in sec
7535895e3c8SPeter Wemmoptions 	NFS_MAXATTRTIMO=60
7545895e3c8SPeter Wemmoptions 	NFS_MINDIRATTRTIMO=30	# VDIR attrib cache timeout in sec
7555895e3c8SPeter Wemmoptions 	NFS_MAXDIRATTRTIMO=60
7565895e3c8SPeter Wemmoptions 	NFS_GATHERDELAY=10	# Default write gather delay (msec)
7575895e3c8SPeter Wemmoptions 	NFS_UIDHASHSIZ=29	# Tune the size of nfssvc_sock with this
7585895e3c8SPeter Wemmoptions 	NFS_WDELAYHASHSIZ=16	# and with this
7595895e3c8SPeter Wemmoptions 	NFS_MUIDHASHSIZ=63	# Tune the size of nfsmount with this
760df394affSJohn-Mark Gurneyoptions 	NFS_DEBUG		# Enable NFS Debugging
761df394affSJohn-Mark Gurney
7629afcea2fSRobert V. Baron# Coda stuff:
7639afcea2fSRobert V. Baronoptions 	CODA			#CODA filesystem.
764f71c01ccSPeter Wemmdevice		vcoda	4		#coda minicache <-> venus comm.
765a1d55890SJordan K. Hubbard
766053a2b61SEivind Eklund#
767053a2b61SEivind Eklund# Add support for the EXT2FS filesystem of Linux fame.  Be a bit
768053a2b61SEivind Eklund# careful with this - the ext2fs code has a tendency to lag behind
769053a2b61SEivind Eklund# changes and not be exercised very much, so mounting read/write could
770053a2b61SEivind Eklund# be dangerous (and even mounting read only could result in panics.)
771053a2b61SEivind Eklund#
7725895e3c8SPeter Wemmoptions 	EXT2FS
773053a2b61SEivind Eklund
774dd85920aSJason Evans# Use real implementations of the aio_* system calls.  There are numerous
775dd85920aSJason Evans# stability issues in the current aio code that make it unsuitable for
776dd85920aSJason Evans# inclusion on shell boxes.
777dd85920aSJason Evansoptions 	VFS_AIO
778053a2b61SEivind Eklund
779c16dc61bSEivind Eklund# Enable the code UFS IO optimization through the VM system.  This allows
780c16dc61bSEivind Eklund# use VM operations instead of copying operations when possible.
781c16dc61bSEivind Eklund#
782c16dc61bSEivind Eklund# Even with this enabled, actual use of the code is still controlled by the
783c16dc61bSEivind Eklund# sysctl vfs.ioopt.  0 gives no optimization, 1 gives normal (use VM
784c16dc61bSEivind Eklund# operations if a request happens to fit), 2 gives agressive optimization
785c16dc61bSEivind Eklund# (the operations are split to do as much as possible through the VM system.)
786c16dc61bSEivind Eklund#
787c16dc61bSEivind Eklund# Enabling this will probably not give an overall speedup except for
788c16dc61bSEivind Eklund# special workloads.
789c16dc61bSEivind Eklundoptions 	ENABLE_VFS_IOOPT
790c16dc61bSEivind Eklund
79115bbdecfSMark Murray# Cryptographically secure random number generator; /dev/[u]random
792ac519db0SMark Murraydevice		random
79315bbdecfSMark Murray
7946a8d6623SGarrett Wollman
7956a8d6623SGarrett Wollman#####################################################################
796abc97a06SBruce Evans# POSIX P1003.1B
797abc97a06SBruce Evans
798ec4e5afbSRobert Nordier# Real time extensions added in the 1993 Posix
799abc97a06SBruce Evans# P1003_1B: Infrastructure
800abc97a06SBruce Evans# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING
801abc97a06SBruce Evans# _KPOSIX_VERSION:             Version kernel is built for
802abc97a06SBruce Evans
8035895e3c8SPeter Wemmoptions 	P1003_1B
8045895e3c8SPeter Wemmoptions 	_KPOSIX_PRIORITY_SCHEDULING
8055895e3c8SPeter Wemmoptions 	_KPOSIX_VERSION=199309L
806abc97a06SBruce Evans
807abc97a06SBruce Evans
808abc97a06SBruce Evans#####################################################################
809000033d0SJeroen Ruigrok van der Werven# CLOCK OPTIONS
810000033d0SJeroen Ruigrok van der Werven
811000033d0SJeroen Ruigrok van der Werven# The granularity of operation is controlled by the kernel option HZ whose
812000033d0SJeroen Ruigrok van der Werven# default value (100) means a granularity of 10ms.  For an accurate simulation
813000033d0SJeroen Ruigrok van der Werven# of high data rates it might be necessary to reduce the timer granularity to
814000033d0SJeroen Ruigrok van der Werven# 1ms or less.  Consider, however, that some interfaces using programmed I/O
815000033d0SJeroen Ruigrok van der Werven# may require a considerable time to output packets.  So, reducing the
816000033d0SJeroen Ruigrok van der Werven# granularity too much might actually cause ticks to be missed thus reducing
817000033d0SJeroen Ruigrok van der Werven# the accuracy of operation.
818000033d0SJeroen Ruigrok van der Werven
819000033d0SJeroen Ruigrok van der Wervenoptions 	HZ=100
820000033d0SJeroen Ruigrok van der Werven
821000033d0SJeroen Ruigrok van der Werven# Other clock options
822000033d0SJeroen Ruigrok van der Werven
823000033d0SJeroen Ruigrok van der Wervenoptions 	CLK_CALIBRATION_LOOP
824000033d0SJeroen Ruigrok van der Wervenoptions 	CLK_USE_I8254_CALIBRATION
825000033d0SJeroen Ruigrok van der Wervenoptions 	CLK_USE_TSC_CALIBRATION
826000033d0SJeroen Ruigrok van der Werven
827000033d0SJeroen Ruigrok van der Werven
828000033d0SJeroen Ruigrok van der Werven#####################################################################
829de6a307eSPeter Dufault# SCSI DEVICES
830de6a307eSPeter Dufault
8316a8d6623SGarrett Wollman# SCSI DEVICE CONFIGURATION
8326a8d6623SGarrett Wollman
8336a8d6623SGarrett Wollman# The SCSI subsystem consists of the `base' SCSI code, a number of
834ebc1a0e2SPeter Dufault# high-level SCSI device `type' drivers, and the low-level host-adapter
8356a8d6623SGarrett Wollman# device drivers.  The host adapters are listed in the ISA and PCI
8366a8d6623SGarrett Wollman# device configuration sections below.
8376a8d6623SGarrett Wollman#
838265368d4SRodney W. Grimes# Beginning with FreeBSD 2.0.5 you can wire down your SCSI devices so
839ebc1a0e2SPeter Dufault# that a given bus, target, and LUN always come on line as the same
840ebc1a0e2SPeter Dufault# device unit.  In earlier versions the unit numbers were assigned
841ebc1a0e2SPeter Dufault# in the order that the devices were probed on the SCSI bus.  This
842ebc1a0e2SPeter Dufault# means that if you removed a disk drive, you may have had to rewrite
843ebc1a0e2SPeter Dufault# your /etc/fstab file, and also that you had to be careful when adding
844ebc1a0e2SPeter Dufault# a new disk as it may have been probed earlier and moved your device
845ebc1a0e2SPeter Dufault# configuration around.
846ebc1a0e2SPeter Dufault
847ebc1a0e2SPeter Dufault# This old behavior is maintained as the default behavior.  The unit
848ebc1a0e2SPeter Dufault# assignment begins with the first non-wired down unit for a device
849700daf5eSJustin T. Gibbs# type.  For example, if you wire a disk as "da3" then the first
850700daf5eSJustin T. Gibbs# non-wired disk will be assigned da4.
851ebc1a0e2SPeter Dufault
852ebc1a0e2SPeter Dufault# The syntax for wiring down devices is:
853ebc1a0e2SPeter Dufault
854f71c01ccSPeter Wemmhint.scbus.0.at="ahc0"
855f71c01ccSPeter Wemmhint.scbus.1.at="ahc1"
856f71c01ccSPeter Wemmhint.scbus.1.bus="0"
857f71c01ccSPeter Wemmhint.scbus.3.at="ahc2"
858f71c01ccSPeter Wemmhint.scbus.3.bus="0"
859f71c01ccSPeter Wemmhint.scbus.2.at="ahc2"
860f71c01ccSPeter Wemmhint.scbus.2.bus="1"
861f71c01ccSPeter Wemmhint.da.0.at="scbus0"
862f71c01ccSPeter Wemmhint.da.0.target="0"
863f71c01ccSPeter Wemmhint.da.0.unit="0"
864f71c01ccSPeter Wemmhint.da.1.at="scbus3"
865f71c01ccSPeter Wemmhint.da.1.target="1"
866f71c01ccSPeter Wemmhint.da.2.at="scbus2"
867f71c01ccSPeter Wemmhint.da.2.target="3"
868f71c01ccSPeter Wemmhint.sa.1.at="scbus1"
869f71c01ccSPeter Wemmhint.sa.1.target="6"
870ebc1a0e2SPeter Dufault
871ebc1a0e2SPeter Dufault# "units" (SCSI logical unit number) that are not specified are
872ebc1a0e2SPeter Dufault# treated as if specified as LUN 0.
873ebc1a0e2SPeter Dufault
874ebc1a0e2SPeter Dufault# All SCSI devices allocate as many units as are required.
875ebc1a0e2SPeter Dufault
876cf2458c9SMatt Jacob# The ch driver drives SCSI Media Changer ("jukebox") devices.
877cf2458c9SMatt Jacob#
878cf2458c9SMatt Jacob# The da driver drives SCSI Direct Access ("disk") and Optical Media
879cf2458c9SMatt Jacob# ("WORM") devices.
880cf2458c9SMatt Jacob#
881cf2458c9SMatt Jacob# The sa driver drives SCSI Sequential Access ("tape") devices.
882cf2458c9SMatt Jacob#
883cf2458c9SMatt Jacob# The cd driver drives SCSI Read Only Direct Access ("cd") devices.
884cf2458c9SMatt Jacob#
885cf2458c9SMatt Jacob# The ses driver drives SCSI Envinronment Services ("ses") and
886cf2458c9SMatt Jacob# SAF-TE ("SCSI Accessable Fault-Tolerant Enclosure") devices.
887cf2458c9SMatt Jacob#
888cf2458c9SMatt Jacob# The pt driver drives SCSI Processor devices.
889cf2458c9SMatt Jacob#
890cf2458c9SMatt Jacob#
891cf2458c9SMatt Jacob# Target Mode support is provided here but also requires that a SIM
892cf2458c9SMatt Jacob# (SCSI Host Adapter Driver) provide support as well.
893cf2458c9SMatt Jacob#
894cf2458c9SMatt Jacob# The targ driver provides target mode support as a Processor type device.
895cf2458c9SMatt Jacob# It exists to give the minimal context necessary to respond to Inquiry
896cf2458c9SMatt Jacob# commands. There is a sample user application that shows how the rest
897cf2458c9SMatt Jacob# of the command support might be done in /usr/share/examples/scsi_target.
898cf2458c9SMatt Jacob#
899cf2458c9SMatt Jacob# The targbh driver provides target mode support and exists to respond
900cf2458c9SMatt Jacob# to incoming commands that do not otherwise have a logical unit assigned
901cf2458c9SMatt Jacob# to them.
902cf2458c9SMatt Jacob#
903265368d4SRodney W. Grimes# The "unknown" device (uk? in pre-2.0.5) is now part of the base SCSI
904cf2458c9SMatt Jacob# configuration as the "pass" driver.
905ebc1a0e2SPeter Dufault
906c9953c3bSPeter Wemmdevice		scbus		#base SCSI code
907c9953c3bSPeter Wemmdevice		ch		#SCSI media changers
908c9953c3bSPeter Wemmdevice		da		#SCSI direct access devices (aka disks)
909c9953c3bSPeter Wemmdevice		sa		#SCSI tapes
910c9953c3bSPeter Wemmdevice		cd		#SCSI CD-ROMs
91164ed91d5SMatt Jacobdevice		ses		#SCSI Environmental Services (and SAF-TE)
912cf2458c9SMatt Jacobdevice		pt		#SCSI processor
91364ed91d5SMatt Jacobdevice		targ		#SCSI Target Mode Code
91464ed91d5SMatt Jacobdevice		targbh		#SCSI Target Mode Blackhole Device
915cf2458c9SMatt Jacobdevice		pass		#CAM passthrough driver
9168909a72bSPeter Dufault
917700daf5eSJustin T. Gibbs# CAM OPTIONS:
918700daf5eSJustin T. Gibbs# debugging options:
919700daf5eSJustin T. Gibbs# -- NOTE --  If you specify one of the bus/target/lun options, you must
920700daf5eSJustin T. Gibbs#             specify them all!
921700daf5eSJustin T. Gibbs# CAMDEBUG: When defined enables debugging macros
922700daf5eSJustin T. Gibbs# CAM_DEBUG_BUS:  Debug the given bus.  Use -1 to debug all busses.
923700daf5eSJustin T. Gibbs# CAM_DEBUG_TARGET:  Debug the given target.  Use -1 to debug all targets.
924700daf5eSJustin T. Gibbs# CAM_DEBUG_LUN:  Debug the given lun.  Use -1 to debug all luns.
925d05caa00SKenneth D. Merry# CAM_DEBUG_FLAGS:  OR together CAM_DEBUG_INFO, CAM_DEBUG_TRACE,
926d05caa00SKenneth D. Merry#                   CAM_DEBUG_SUBTRACE, and CAM_DEBUG_CDB
927700daf5eSJustin T. Gibbs#
928700daf5eSJustin T. Gibbs# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds
929b29f9e40SMatt Jacob# CAM_NEW_TRAN_CODE: this is the new transport layer code that will be switched
930b29f9e40SMatt Jacob#			to soon
931700daf5eSJustin T. Gibbs# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions
932700daf5eSJustin T. Gibbs# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions
93356234437SKenneth D. Merry# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter)
93456234437SKenneth D. Merry#             queue after a bus reset, and the number of milliseconds to
93556234437SKenneth D. Merry#             freeze the device queue after a bus device reset.
936700daf5eSJustin T. Gibbsoptions 	CAMDEBUG
9375895e3c8SPeter Wemmoptions 	CAM_DEBUG_BUS=-1
9385895e3c8SPeter Wemmoptions 	CAM_DEBUG_TARGET=-1
9395895e3c8SPeter Wemmoptions 	CAM_DEBUG_LUN=-1
9405895e3c8SPeter Wemmoptions 	CAM_DEBUG_FLAGS="CAM_DEBUG_INFO|CAM_DEBUG_TRACE|CAM_DEBUG_CDB"
9415895e3c8SPeter Wemmoptions 	CAM_MAX_HIGHPOWER=4
942700daf5eSJustin T. Gibbsoptions 	SCSI_NO_SENSE_STRINGS
943700daf5eSJustin T. Gibbsoptions 	SCSI_NO_OP_STRINGS
94456234437SKenneth D. Merryoptions 	SCSI_DELAY=8000	# Be pessimistic about Joe SCSI device
9451a7c583cSGarrett Wollman
946700daf5eSJustin T. Gibbs# Options for the CAM CDROM driver:
947700daf5eSJustin T. Gibbs# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN
948700daf5eSJustin T. Gibbs# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only
949700daf5eSJustin T. Gibbs#                           enforced if there is I/O waiting for another LUN
950700daf5eSJustin T. Gibbs# The compiled in defaults for these variables are 2 and 10 seconds,
951700daf5eSJustin T. Gibbs# respectively.
95293063432SJoerg Wunsch#
953700daf5eSJustin T. Gibbs# These can also be changed on the fly with the following sysctl variables:
954700daf5eSJustin T. Gibbs# kern.cam.cd.changer.min_busy_seconds
955700daf5eSJustin T. Gibbs# kern.cam.cd.changer.max_busy_seconds
95693063432SJoerg Wunsch#
9575895e3c8SPeter Wemmoptions 	CHANGER_MIN_BUSY_SECONDS=2
9585895e3c8SPeter Wemmoptions 	CHANGER_MAX_BUSY_SECONDS=10
95993063432SJoerg Wunsch
9609dfb4471SKenneth D. Merry# Options for the CAM sequential access driver:
961b29f9e40SMatt Jacob# SA_IO_TIMEOUT: Timeout for read/write/wfm  operations, in minutes
9629dfb4471SKenneth D. Merry# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes
9639dfb4471SKenneth D. Merry# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes
9649dfb4471SKenneth D. Merry# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes
9659f050ed5SMatt Jacob# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT.
966b29f9e40SMatt Jacoboptions 	SA_IO_TIMEOUT="(4)"
9675895e3c8SPeter Wemmoptions 	SA_SPACE_TIMEOUT="(60)"
9685895e3c8SPeter Wemmoptions 	SA_REWIND_TIMEOUT="(2*60)"
9695895e3c8SPeter Wemmoptions 	SA_ERASE_TIMEOUT="(4*60)"
9709f050ed5SMatt Jacoboptions 	SA_1FM_AT_EOD
9719dfb4471SKenneth D. Merry
9723ece1bd2SKenneth D. Merry# Optional timeout for the CAM processor target (pt) device
9733ece1bd2SKenneth D. Merry# This is specified in seconds.  The default is 60 seconds.
9743ece1bd2SKenneth D. Merryoptions 	SCSI_PT_DEFAULT_TIMEOUT="60"
9753ece1bd2SKenneth D. Merry
9768904e70bSMatt Jacob# Optional enable of doing SES passthrough on other devices (e.g., disks)
9778904e70bSMatt Jacob#
9788904e70bSMatt Jacob# Normally disabled because a lot of newer SCSI disks report themselves
9798904e70bSMatt Jacob# as having SES capabilities, but this can then clot up attempts to build
9808904e70bSMatt Jacob# build a topology with the SES device that's on the box these drives
9818904e70bSMatt Jacob# are in....
9828904e70bSMatt Jacoboptions		SES_ENABLE_PASSTHROUGH
9838904e70bSMatt Jacob
9846a8d6623SGarrett Wollman
9856a8d6623SGarrett Wollman#####################################################################
9866a8d6623SGarrett Wollman# MISCELLANEOUS DEVICES AND OPTIONS
9876a8d6623SGarrett Wollman
9881160da92SJoerg Wunsch# The `pty' device usually turns out to be ``effectively mandatory'',
9891160da92SJoerg Wunsch# as it is required for `telnetd', `rlogind', `screen', `emacs', and
9901160da92SJoerg Wunsch# `xterm', among others.
9911160da92SJoerg Wunsch
992f71c01ccSPeter Wemmdevice		pty		#Pseudo ttys
993f71c01ccSPeter Wemmdevice		speaker		#Play IBM BASIC-style noises out your speaker
994f71c01ccSPeter Wemmdevice		gzip		#Exec gzipped a.out's
995f71c01ccSPeter Wemmdevice		md		#Memory/malloc disk
996f71c01ccSPeter Wemmdevice		snp		#Snoop device - to look at pty/vty/etc..
997f71c01ccSPeter Wemmdevice		ccd	4	#Concatenated disk driver
998be174c7eSGreg Lehey
999be174c7eSGreg Lehey# Configuring Vinum into the kernel is not necessary, since the kld
1000be174c7eSGreg Lehey# module gets started automatically when vinum(8) starts.  This
1001be174c7eSGreg Lehey# device is also untested.  Use at your own risk.
10024cc4752cSGreg Lehey#
10034cc4752cSGreg Lehey# The option VINUMDEBUG must match the value set in CFLAGS
100498a44096SSheldon Hearn# in src/sbin/vinum/Makefile.  Failure to do so will result in
10054cc4752cSGreg Lehey# the following message from vinum(8):
10064cc4752cSGreg Lehey#
10074cc4752cSGreg Lehey# Can't get vinum config: Invalid argument
10084cc4752cSGreg Lehey#
10094cc4752cSGreg Lehey# see vinum(4) for more reasons not to use these options.
1010f71c01ccSPeter Wemmdevice		vinum		#Vinum concat/mirror/raid driver
10113ea799d5SPeter Wemmoptions 	VINUMDEBUG	#enable Vinum debugging hooks
10129ba0e7c3SBruce Evans
10136f2d8adbSBoris Popov# Kernel side iconv library
10146f2d8adbSBoris Popovoptions 	LIBICONV
10156f2d8adbSBoris Popov
101658067a99SPoul-Henning Kamp# Size of the kernel message buffer.  Should be N * pagesize.
10175895e3c8SPeter Wemmoptions 	MSGBUF_SIZE=40960
101858067a99SPoul-Henning Kamp
10196a8d6623SGarrett Wollman
10206a8d6623SGarrett Wollman#####################################################################
1021d61e6649SAlexander Langer# HARDWARE BUS CONFIGURATION
10226a8d6623SGarrett Wollman
1023d61e6649SAlexander Langer# ISA, EISA, MCA and PCI bus:
10246a8d6623SGarrett Wollman
10256a8d6623SGarrett Wollman#
102616e164e3SBruce Evans# Mandatory ISA devices: isa, npx
10276a8d6623SGarrett Wollman#
1028c9953c3bSPeter Wemmdevice		isa
10292365e64fSRodney W. Grimes
10306a8d6623SGarrett Wollman#
10316a8d6623SGarrett Wollman# Options for `isa':
10326a8d6623SGarrett Wollman#
1033d72ee36fSBruce Evans# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A
1034d72ee36fSBruce Evans# interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
1035d72ee36fSBruce Evans# This option breaks suspend/resume on some portables.
1036d72ee36fSBruce Evans#
10379ba0e7c3SBruce Evans# AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A
1038d72ee36fSBruce Evans# interrupt controller.  This saves about 0.7-1.25 usec for each interrupt.
10399ba0e7c3SBruce Evans# Automatic EOI is documented not to work for for the slave with the
10409ba0e7c3SBruce Evans# original i8259A, but it works for some clones and some integrated
10419ba0e7c3SBruce Evans# versions.
10429ba0e7c3SBruce Evans#
1043b2796687SNate Williams# MAXMEM specifies the amount of RAM on the machine; if this is not
10449bc192deSDavid E. O'Brien# specified, FreeBSD will first read the amount of memory from the CMOS
10459bc192deSDavid E. O'Brien# RAM, so the amount of memory will initially be limited to 64MB or 16MB
10469bc192deSDavid E. O'Brien# depending on the BIOS.  If the BIOS reports 64MB, a memory probe will
10479bc192deSDavid E. O'Brien# then attempt to detect the installed amount of RAM.  If this probe
10489bc192deSDavid E. O'Brien# fails to detect >64MB RAM you will have to use the MAXMEM option.
10499bc192deSDavid E. O'Brien# The amount is in kilobytes, so for a machine with 128MB of RAM, it would
10509bc192deSDavid E. O'Brien# be 131072 (128 * 1024).
1051b2796687SNate Williams#
10525eb46edfSDavid Greenman# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to
10535eb46edfSDavid Greenman# reset the CPU for reboot.  This is needed on some systems with broken
10545eb46edfSDavid Greenman# keyboard controllers.
105577959e8eSMarc G. Fournier
10569ac61e92SPeter Wemmoptions 	COMPAT_OLDISA	#Use ISA shims and glue for old drivers
1057f71c01ccSPeter Wemmoptions 	AUTO_EOI_1
105819dde963SPeter Wemm#options 	AUTO_EOI_2
1059f71c01ccSPeter Wemm
1060f71c01ccSPeter Wemmoptions 	MAXMEM="(128*1024)"
106119dde963SPeter Wemm#options 	BROKEN_KEYBOARD_RESET
10623af6b652SDavid Greenman
1063595f6341SPoul-Henning Kamp# Enable support for the kernel PLL to use an external PPS signal,
1064595f6341SPoul-Henning Kamp# under supervision of [x]ntpd(8)
1065a2210fe1SPoul-Henning Kamp# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp
1066595f6341SPoul-Henning Kamp
1067595f6341SPoul-Henning Kampoptions 	PPS_SYNC
1068595f6341SPoul-Henning Kamp
1069c2906d55SPoul-Henning Kamp# If you see the "calcru: negative time of %ld usec for pid %d (%s)\n"
1070c2906d55SPoul-Henning Kamp# message you probably have some broken sw/hw which disables interrupts
1071c2906d55SPoul-Henning Kamp# for too long.  You can make the system more resistant to this by
1072c2906d55SPoul-Henning Kamp# choosing a high value for NTIMECOUNTER.  The default is 5, there
1073c2906d55SPoul-Henning Kamp# is no upper limit but more than a couple of hundred are not productive.
1074a2210fe1SPoul-Henning Kamp# A better strategy may be to sysctl -w kern.timecounter.method=1
1075c2906d55SPoul-Henning Kamp
10765895e3c8SPeter Wemmoptions 	NTIMECOUNTER=20
1077c2906d55SPoul-Henning Kamp
1078d61e6649SAlexander Langer#
1079d61e6649SAlexander Langer# EISA bus
1080d61e6649SAlexander Langer#
1081d61e6649SAlexander Langer# The EISA bus device is `eisa'.  It provides auto-detection and
1082d61e6649SAlexander Langer# configuration support for all devices on the EISA bus.
1083d61e6649SAlexander Langer
1084d61e6649SAlexander Langerdevice		eisa
1085d61e6649SAlexander Langer
1086d61e6649SAlexander Langer# By default, only 10 EISA slots are probed, since the slot numbers
1087d61e6649SAlexander Langer# above clash with the configuration address space of the PCI subsystem,
1088d61e6649SAlexander Langer# and the EISA probe is not very smart about this.  This is sufficient
1089d61e6649SAlexander Langer# for most machines, but in particular the HP NetServer LC series comes
1090d61e6649SAlexander Langer# with an onboard AIC7770 dual-channel SCSI controller on EISA slot #11,
1091d61e6649SAlexander Langer# thus you need to bump this figure to 12 for them.
1092d61e6649SAlexander Langeroptions 	EISA_SLOTS=12
1093d61e6649SAlexander Langer
1094d61e6649SAlexander Langer#
1095d61e6649SAlexander Langer# MCA bus:
1096d61e6649SAlexander Langer#
1097d61e6649SAlexander Langer# The MCA bus device is `mca'.  It provides auto-detection and
1098d61e6649SAlexander Langer# configuration support for all devices on the MCA bus.
1099d61e6649SAlexander Langer# No hints are required for MCA.
1100d61e6649SAlexander Langer
1101d61e6649SAlexander Langerdevice		mca
1102d61e6649SAlexander Langer
1103d61e6649SAlexander Langer#
1104d61e6649SAlexander Langer# PCI bus & PCI options:
1105d61e6649SAlexander Langer#
1106d61e6649SAlexander Langer# The main PCI bus device is `pci'.  It provides auto-detection and
1107d61e6649SAlexander Langer# configuration support for all devices on the PCI bus, using either
1108d61e6649SAlexander Langer# configuration mode defined in the PCI specification.
1109d61e6649SAlexander Langer
1110d61e6649SAlexander Langerdevice		pci
1111d61e6649SAlexander Langer
1112a7ecc804SPeter Wemm#
1113a7ecc804SPeter Wemm# AGP GART support
1114a7ecc804SPeter Wemmdevice		agp
1115a7ecc804SPeter Wemm
1116d61e6649SAlexander Langer# PCI options
1117d61e6649SAlexander Langer#
1118d61e6649SAlexander Langer#options 	PCI_QUIET	#quiets PCI code on chipset settings
1119d61e6649SAlexander Langer
1120d61e6649SAlexander Langer
1121d61e6649SAlexander Langer#####################################################################
1122d61e6649SAlexander Langer# HARDWARE DEVICE CONFIGURATION
1123d61e6649SAlexander Langer
1124d61e6649SAlexander Langer# EISA support is available for some device, so they can be auto-probed.
1125d61e6649SAlexander Langer# MicroChannel (MCA) support is available for some devices.
1126d61e6649SAlexander Langer# For ISA the required hints are listed.
1127d61e6649SAlexander Langer# EISA, MCA, PCI and pccard are self identifying buses, so no hints
1128d61e6649SAlexander Langer# are needed.
1129d61e6649SAlexander Langer
1130d61e6649SAlexander Langer#
1131d61e6649SAlexander Langer# Mandatory devices:
1132d61e6649SAlexander Langer#
1133d61e6649SAlexander Langer
113423f7bd17SBrian Somers# The keyboard controller; it controls the keyboard and the PS/2 mouse.
1135f71c01ccSPeter Wemmdevice		atkbdc	1
1136f71c01ccSPeter Wemmhint.atkbdc.0.at="isa"
1137f71c01ccSPeter Wemmhint.atkbdc.0.port="0x060"
11382ad872c5SKazutaka YOKOTA
11392ad872c5SKazutaka YOKOTA# The AT keyboard
1140f71c01ccSPeter Wemmdevice		atkbd
1141f71c01ccSPeter Wemmhint.atkbd.0.at="atkbdc"
1142f71c01ccSPeter Wemmhint.atkbd.0.irq="1"
11432ad872c5SKazutaka YOKOTA
11440a0319c2SKazutaka YOKOTA# Options for atkbd:
11450a0319c2SKazutaka YOKOTAoptions 	ATKBD_DFLT_KEYMAP	# specify the built-in keymap
11460a0319c2SKazutaka YOKOTAmakeoptions	ATKBD_DFLT_KEYMAP="jp.106"
11470a0319c2SKazutaka YOKOTA
11480a0319c2SKazutaka YOKOTA# These options are valid for other keyboard drivers as well.
11490a0319c2SKazutaka YOKOTAoptions 	KBD_DISABLE_KEYMAP_LOAD	# refuse to load a keymap
11500a0319c2SKazutaka YOKOTAoptions 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
11510a0319c2SKazutaka YOKOTA
1152e1b5fc4cSKazutaka YOKOTA# `flags' for atkbd:
1153e1b5fc4cSKazutaka YOKOTA#       0x01    Force detection of keyboard, else we always assume a keyboard
1154e1b5fc4cSKazutaka YOKOTA#       0x02    Don't reset keyboard, useful for some newer ThinkPads
1155e1b5fc4cSKazutaka YOKOTA#       0x04    Old-style (XT) keyboard support, useful for older ThinkPads
1156e1b5fc4cSKazutaka YOKOTA
11572ad872c5SKazutaka YOKOTA# PS/2 mouse
1158f71c01ccSPeter Wemmdevice		psm
1159f71c01ccSPeter Wemmhint.psm.0.at="atkbdc"
1160f71c01ccSPeter Wemmhint.psm.0.irq="12"
11612ad872c5SKazutaka YOKOTA
11622ad872c5SKazutaka YOKOTA# Options for psm:
1163273157daSKazutaka YOKOTAoptions 	PSM_HOOKRESUME		#hook the system resume event, useful
11642ad872c5SKazutaka YOKOTA					#for some laptops
11652ad872c5SKazutaka YOKOTAoptions 	PSM_RESETAFTERSUSPEND	#reset the device at the resume event
11662ad872c5SKazutaka YOKOTA
11672ad872c5SKazutaka YOKOTA# The video card driver.
1168f71c01ccSPeter Wemmdevice		vga
1169f71c01ccSPeter Wemmhint.vga.0.at="isa"
11702ad872c5SKazutaka YOKOTA
1171c619f2acSKazutaka YOKOTA# Options for vga:
1172c619f2acSKazutaka YOKOTA# Try the following option if the mouse pointer is not drawn correctly
1173c619f2acSKazutaka YOKOTA# or font does not seem to be loaded properly.  May cause flicker on
1174c619f2acSKazutaka YOKOTA# some systems.
1175c619f2acSKazutaka YOKOTAoptions 	VGA_ALT_SEQACCESS
1176c619f2acSKazutaka YOKOTA
1177c619f2acSKazutaka YOKOTA# If you can dispense with some vga driver features, you may want to
1178c619f2acSKazutaka YOKOTA# use the following options to save some memory.
11791b1728adSPoul-Henning Kamp#options 	VGA_NO_FONT_LOADING	# don't save/load font
11801b1728adSPoul-Henning Kamp#options 	VGA_NO_MODE_CHANGE	# don't change video modes
1181c619f2acSKazutaka YOKOTA
1182c619f2acSKazutaka YOKOTA# Older video cards may require this option for proper operation.
1183c619f2acSKazutaka YOKOTAoptions 	VGA_SLOW_IOACCESS	# do byte-wide i/o's to TS and GDC regs
1184c619f2acSKazutaka YOKOTA
11856e8394b8SKazutaka YOKOTA# The following option probably won't work with the LCD displays.
11866e8394b8SKazutaka YOKOTAoptions 	VGA_WIDTH90		# support 90 column modes
11876e8394b8SKazutaka YOKOTA
11880a0319c2SKazutaka YOKOTA# To include support for VESA video modes
118977835954SJonathan Lemonoptions 	VESA
11900a0319c2SKazutaka YOKOTA
1191edd5302dSJeroen Ruigrok van der Wervenoptions 	FB_DEBUG		# Frame buffer debugging
1192edd5302dSJeroen Ruigrok van der Wervenoptions 	FB_INSTALL_CDEV		# install a CDEV entry in /dev
1193edd5302dSJeroen Ruigrok van der Werven
11942ad872c5SKazutaka YOKOTA# Splash screen at start up!  Screen savers require this too.
1195f71c01ccSPeter Wemmdevice		splash
11962ad872c5SKazutaka YOKOTA
1197c19da41eSPeter Wemm# The pcvt console driver (vt220 compatible).
1198f71c01ccSPeter Wemmdevice		vt
1199f71c01ccSPeter Wemmhint.vt.0.at="isa"
1200528b8853SKazutaka YOKOTAoptions 	XSERVER			# support for running an X server on vt
1201c19da41eSPeter Wemmoptions 	FAT_CURSOR		# start with block cursor
1202c19da41eSPeter Wemm# This PCVT option is for keyboards such as those used on IBM ThinkPad laptops
1203c19da41eSPeter Wemmoptions 	PCVT_SCANSET=2 		# IBM keyboards are non-std
1204a467384bSJoerg Wunsch# Other PCVT options are documented in pcvt(4).
12055895e3c8SPeter Wemmoptions 	PCVT_24LINESDEF
1206a467384bSJoerg Wunschoptions 	PCVT_CTRL_ALT_DEL
1207a467384bSJoerg Wunschoptions 	PCVT_META_ESC
1208a467384bSJoerg Wunschoptions 	PCVT_NSCREENS=9
1209a467384bSJoerg Wunschoptions 	PCVT_PRETTYSCRNS
1210a467384bSJoerg Wunschoptions 	PCVT_SCREENSAVER
1211a467384bSJoerg Wunschoptions 	PCVT_USEKBDSEC
12125895e3c8SPeter Wemmoptions 	PCVT_VT220KEYB
1213a06da083SHellmuth Michaelisoptions 	PCVT_GREENSAVER
1214c19da41eSPeter Wemm
1215ee16b430SBruce Evans# The syscons console driver (sco color console compatible).
1216f71c01ccSPeter Wemmdevice		sc	1
1217f71c01ccSPeter Wemmhint.sc.0.at="isa"
1218683cbdf4SBruce Evansoptions 	MAXCONS=16		# number of virtual consoles
12196e8394b8SKazutaka YOKOTAoptions 	SC_ALT_MOUSE_IMAGE	# simplified mouse cursor in text mode
12206e8394b8SKazutaka YOKOTAoptions 	SC_DFLT_FONT		# compile font in
1221cc6c2ad0SPeter Wemmmakeoptions	SC_DFLT_FONT=cp850
12226e8394b8SKazutaka YOKOTAoptions 	SC_DISABLE_DDBKEY	# disable `debug' key
1223c4118fc0SKazutaka YOKOTAoptions 	SC_DISABLE_REBOOT	# disable reboot key sequence
12246e8394b8SKazutaka YOKOTAoptions 	SC_HISTORY_SIZE=200	# number of history buffer lines
12256e8394b8SKazutaka YOKOTAoptions 	SC_MOUSE_CHAR=0x3	# char code for text mode mouse cursor
12266e8394b8SKazutaka YOKOTAoptions 	SC_PIXEL_MODE		# add support for the raster text mode
122785e36760SJordan K. Hubbard
12287a88382dSKazutaka YOKOTA# The following options will let you change the default colors of syscons.
12297a88382dSKazutaka YOKOTAoptions 	SC_NORM_ATTR="(FG_GREEN|BG_BLACK)"
12307a88382dSKazutaka YOKOTAoptions 	SC_NORM_REV_ATTR="(FG_YELLOW|BG_GREEN)"
12317a88382dSKazutaka YOKOTAoptions 	SC_KERNEL_CONS_ATTR="(FG_RED|BG_BLACK)"
12327a88382dSKazutaka YOKOTAoptions 	SC_KERNEL_CONS_REV_ATTR="(FG_BLACK|BG_RED)"
12337a88382dSKazutaka YOKOTA
12347a88382dSKazutaka YOKOTA# If you have a two button mouse, you may want to add the following option
12357a88382dSKazutaka YOKOTA# to use the right button of the mouse to paste text.
12367a88382dSKazutaka YOKOTAoptions 	SC_TWOBUTTON_MOUSE
12377a88382dSKazutaka YOKOTA
12386e8394b8SKazutaka YOKOTA# You can selectively disable features in syscons.
12396e8394b8SKazutaka YOKOTAoptions 	SC_NO_CUTPASTE
12406e8394b8SKazutaka YOKOTAoptions 	SC_NO_FONT_LOADING
12416e8394b8SKazutaka YOKOTAoptions 	SC_NO_HISTORY
12426e8394b8SKazutaka YOKOTAoptions 	SC_NO_SYSMOUSE
12432ac8be82SAndreas Schulz
12448a28ce0eSJohn Baldwin# `flags' for sc
12458a28ce0eSJohn Baldwin#	0x80	Put the video card in the VESA 800x600 dots, 16 color mode
12468a28ce0eSJohn Baldwin#	0x100	Probe for a keyboard device periodically if one is not present
12478a28ce0eSJohn Baldwin
12487670e012SColeman Kane# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create
12497670e012SColeman Kane# the /dev/3dfx0 device to work with glide implementations. This should get
12507670e012SColeman Kane# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as
12517670e012SColeman Kane# the tdfx DRI module from XFree86 and is completely unrelated.
12527670e012SColeman Kane#
12537670e012SColeman Kane# To enable Linuxulator support, one must also include COMPAT_LINUX in the
12547670e012SColeman Kane# config as well, or you will not have the dependencies. The other option
12557670e012SColeman Kane# is to load both as modules.
12567670e012SColeman Kane
1257899266e3SJeroen Ruigrok van der Wervendevice 		tdfx			# Enable 3Dfx Voodoo support
1258899266e3SJeroen Ruigrok van der Wervenoptions 	TDFX_LINUX		# Enable Linuxulator support
1259899266e3SJeroen Ruigrok van der Werven
12606a8d6623SGarrett Wollman#
1261a7674320SMartin Cracauer# The Numeric Processing eXtension driver.  In addition to this, you
1262a7674320SMartin Cracauer# may configure a math emulator (see above).  If your machine has a
1263a7674320SMartin Cracauer# hardware FPU and the kernel configuration includes the npx device
1264a7674320SMartin Cracauer# *and* a math emulator compiled into the kernel, the hardware FPU
1265a7674320SMartin Cracauer# will be used, unless it is found to be broken or unless "flags" to
1266a7674320SMartin Cracauer# npx0 includes "0x08", which requests preference for the emulator.
1267f71c01ccSPeter Wemmdevice		npx
1268f71c01ccSPeter Wemmhint.npx.0.at="nexus"
1269f71c01ccSPeter Wemmhint.npx.0.port="0x0F0"
1270f71c01ccSPeter Wemmhint.npx.0.flags="0x0"
1271f71c01ccSPeter Wemmhint.npx.0.irq="13"
12721fe04850SBruce Evans
127398e9e66cSNate Williams#
12741fe04850SBruce Evans# `flags' for npx0:
1275a7674320SMartin Cracauer#	0x01	don't use the npx registers to optimize bcopy.
1276a7674320SMartin Cracauer#	0x02	don't use the npx registers to optimize bzero.
12771fe04850SBruce Evans#	0x04	don't use the npx registers to optimize copyin or copyout.
1278a7674320SMartin Cracauer#	0x08	use emulator even if hardware FPU is available.
12791fe04850SBruce Evans# The npx registers are normally used to optimize copying and zeroing when
12801fe04850SBruce Evans# all of the following conditions are satisfied:
12815895e3c8SPeter Wemm#	I586_CPU is an option
12821fe04850SBruce Evans#	the cpu is an i586 (perhaps not a Pentium)
12831fe04850SBruce Evans#	the probe for npx0 succeeds
12841fe04850SBruce Evans#	INT 16 exception handling works.
12851fe04850SBruce Evans# Then copying and zeroing using the npx registers is normally 30-100% faster.
12861fe04850SBruce Evans# The flags can be used to control cases where it doesn't work or is slower.
12871fe04850SBruce Evans# Setting them at boot time using userconfig works right (the optimizations
12881fe04850SBruce Evans# are not used until later in the bootstrap when npx0 is attached).
1289784648c6SMartin Cracauer# Flag 0x08 automatically disables the i586 optimized routines.
12901fe04850SBruce Evans#
12911fe04850SBruce Evans
12920da9b781SMike Smith#
12930da9b781SMike Smith# ACPI support using the Intel ACPI Component Architecture reference
12940da9b781SMike Smith# implementation.
12950da9b781SMike Smith#
12960da9b781SMike Smith# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer
12970da9b781SMike Smith# kernel environment variables to select initial debugging levels for the
12980da9b781SMike Smith# Intel ACPICA code.  (Note that the Intel code must also have USE_DEBUGGER
12990da9b781SMike Smith# defined when it is built).
13000da9b781SMike Smith#
13010da9b781SMike Smithdevice		acpica
13020da9b781SMike Smithoptions		ACPI_DEBUG
13030da9b781SMike Smith
13041fe04850SBruce Evans#
1305d61e6649SAlexander Langer# Optional devices:
13066a8d6623SGarrett Wollman#
13076a8d6623SGarrett Wollman
13086a8d6623SGarrett Wollman#
1309d61e6649SAlexander Langer# SCSI host adapters:
13106a8d6623SGarrett Wollman#
1311859244a6SJustin T. Gibbs# adv: All Narrow SCSI bus AdvanSys controllers.
1312859244a6SJustin T. Gibbs# adw: Second Generation AdvanSys controllers including the ADV940UW.
1313d61e6649SAlexander Langer# aha: Adaptec 154x/1535/1640
131490d3341eSPeter Wemm# ahb: Adaptec 174x EISA controllers
1315d61e6649SAlexander Langer# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/
1316d61e6649SAlexander Langer#      19160x/29160x, aic7770/aic78xx
13176d04301dSAlexander Langer# aic: Adaptec 6260/6360, APA-1460 (PC Card), NEC PC9801-100 (C-BUS)
1318d61e6649SAlexander Langer# amd: Support for the AMD 53C974 SCSI host adapter chip as found on devices
1319d61e6649SAlexander Langer#      such as the Tekram DC-390(T).
1320d61e6649SAlexander Langer# bt:  Most Buslogic controllers: including BT-445, BT-54x, BT-64x, BT-74x,
1321d61e6649SAlexander Langer#      BT-75x, BT-946, BT-948, BT-956, BT-958, SDC3211B, SDC3211F, SDC3222F
1322d61e6649SAlexander Langer# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters,
1323d61e6649SAlexander Langer#      ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2,
1324d61e6649SAlexander Langer#      ISP 12160 Ultra3 SCSI,
1325d61e6649SAlexander Langer#      Qlogic ISP 2100 and ISP 2200 Fibre Channel host adapters.
1326ac918c84SMatt Jacob# ispfw: Firmware module for Qlogic host adapters
1327d61e6649SAlexander Langer# ncr: NCR 53C810, 53C825 self-contained SCSI host adapters.
1328ae94720dSNoriaki Mitsunaga# ncv: NCR 53C500 based SCSI host adapters.
1329ae94720dSNoriaki Mitsunaga# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters.
1330fb91fd69SGerard Roudier# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors:
1331fb91fd69SGerard Roudier#      53C810, 53C810A, 53C815, 53C825,  53C825A, 53C860, 53C875,
1332fb91fd69SGerard Roudier#      53C876, 53C885,  53C895, 53C895A, 53C896,  53C897, 53C1510D,
1333fb91fd69SGerard Roudier#      53C1010-33, 53C1010-66.
1334ae94720dSNoriaki Mitsunaga# stg: TMC 18C30, 18C50 based SCSI host adapters.
1335821c54a1SSergey Babkin# wds: WD7000
1336d61e6649SAlexander Langer
13376a8d6623SGarrett Wollman#
1338d61e6649SAlexander Langer# Note that the order is important in order for Buslogic ISA/EISA cards to be
13396a8d6623SGarrett Wollman# probed correctly.
13406a8d6623SGarrett Wollman#
1341f71c01ccSPeter Wemmdevice		bt
1342f71c01ccSPeter Wemmhint.bt.0.at="isa"
1343f71c01ccSPeter Wemmhint.bt.0.port="0x330"
1344f71c01ccSPeter Wemmdevice		adv
1345f71c01ccSPeter Wemmhint.adv.0.at="isa"
1346c9953c3bSPeter Wemmdevice		adw
1347b9e3a5d3SPeter Wemmdevice		aha
1348f71c01ccSPeter Wemmhint.aha.0.at="isa"
1349f71c01ccSPeter Wemmdevice		aic
1350f71c01ccSPeter Wemmhint.aic.0.at="isa"
135190d3341eSPeter Wemmdevice		ahb
1352d61e6649SAlexander Langerdevice		ahc
1353d61e6649SAlexander Langerdevice		amd
1354d61e6649SAlexander Langerdevice		isp
13550787f2b8SMatt Jacobhint.isp.0.disable="1"
13560787f2b8SMatt Jacobhint.isp.0.role="3"
13570787f2b8SMatt Jacobhint.isp.0.prefer_iomap="1"
13580787f2b8SMatt Jacobhint.isp.0.prefer_memmap="1"
13590787f2b8SMatt Jacobhint.isp.0.fwload_disable="1"
13600787f2b8SMatt Jacobhint.isp.0.ignore_nvram="1"
13610787f2b8SMatt Jacobhint.isp.0.fullduplex="1"
13620787f2b8SMatt Jacobhint.isp.0.topology="lport"
13630787f2b8SMatt Jacobhint.isp.0.topology="nport"
13640787f2b8SMatt Jacobhint.isp.0.topology="lport-only"
13650787f2b8SMatt Jacobhint.isp.0.topology="nport-only"
13660787f2b8SMatt Jacob# we can't get u_int64_t types, nor can we get strings if it's got
13670787f2b8SMatt Jacob# a leading 0x, hence this silly dodge.
13680787f2b8SMatt Jacobhint.isp.0.portwnn="w50000000aaaa0000"
13690787f2b8SMatt Jacobhint.isp.0.nodewnn="w50000000aaaa0001"
1370d61e6649SAlexander Langerdevice		ispfw
1371d61e6649SAlexander Langerdevice		ncr
1372ae94720dSNoriaki Mitsunagadevice		ncv
1373ae94720dSNoriaki Mitsunagadevice		nsp
1374d61e6649SAlexander Langerdevice		sym
1375ae94720dSNoriaki Mitsunagadevice		stg
1376918dbed3SNoriaki Mitsunagahint.stg.0.at="isa"
1377918dbed3SNoriaki Mitsunagahint.stg.0.port="0x140"
1378918dbed3SNoriaki Mitsunagahint.stg.0.port="11"
1379821c54a1SSergey Babkindevice		wds
1380821c54a1SSergey Babkinhint.wds.0.at="isa"
1381821c54a1SSergey Babkinhint.wds.0.port="0x350"
1382821c54a1SSergey Babkinhint.wds.0.irq="11"
1383821c54a1SSergey Babkinhint.wds.0.drq="6"
1384d61e6649SAlexander Langer
1385d61e6649SAlexander Langer# The aic7xxx driver will attempt to use memory mapped I/O for all PCI
1386d61e6649SAlexander Langer# controllers that have it configured only if this option is set. Unfortunately,
1387d61e6649SAlexander Langer# this doesn't work on some motherboards, which prevents it from being the
1388d61e6649SAlexander Langer# default.
1389d61e6649SAlexander Langeroptions 	AHC_ALLOW_MEMIO
1390d61e6649SAlexander Langer
1391fac70739SJeroen Ruigrok van der Werven# Enable diagnostic sequencer code.
1392fac70739SJeroen Ruigrok van der Wervenoptions 	AHC_DEBUG_SEQUENCER
1393fac70739SJeroen Ruigrok van der Werven
1394fac70739SJeroen Ruigrok van der Werven# Dump the contents of the ahc controller configuration PROM.
1395fac70739SJeroen Ruigrok van der Wervenoptions 	AHC_DUMP_EEPROM
1396fac70739SJeroen Ruigrok van der Werven
1397fac70739SJeroen Ruigrok van der Werven# Bitmap of units to enable targetmode operations.
1398fac70739SJeroen Ruigrok van der Wervenoptions 	AHC_TMODE_ENABLE
1399fac70739SJeroen Ruigrok van der Werven
1400d61e6649SAlexander Langer# The adw driver will attempt to use memory mapped I/O for all PCI
1401d61e6649SAlexander Langer# controllers that have it configured only if this option is set.
1402d61e6649SAlexander Langeroptions 	ADW_ALLOW_MEMIO
1403d61e6649SAlexander Langer
1404d61e6649SAlexander Langer# Options used in dev/isp/ (Qlogic SCSI/FC driver).
1405d61e6649SAlexander Langer#
1406d61e6649SAlexander Langer#	ISP_TARGET_MODE		-	enable target mode operation
1407d61e6649SAlexander Langer#
1408d61e6649SAlexander Langer#options 	ISP_TARGET_MODE=1
1409d61e6649SAlexander Langer
1410d61e6649SAlexander Langer# Options used in dev/sym/ (Symbios SCSI driver).
1411d61e6649SAlexander Langer#options 	SYM_SETUP_LP_PROBE_MAP	#-Low Priority Probe Map (bits)
1412d61e6649SAlexander Langer					# Allows the ncr to take precedence
1413d61e6649SAlexander Langer					# 1 (1<<0) -> 810a, 860
1414d61e6649SAlexander Langer					# 2 (1<<1) -> 825a, 875, 885, 895
1415d61e6649SAlexander Langer					# 4 (1<<2) -> 895a, 896, 1510d
1416d61e6649SAlexander Langer#options 	SYM_SETUP_SCSI_DIFF	#-HVD support for 825a, 875, 885
1417d61e6649SAlexander Langer					# disabled:0 (default), enabled:1
1418d61e6649SAlexander Langer#options 	SYM_SETUP_PCI_PARITY	#-PCI parity checking
1419d61e6649SAlexander Langer					# disabled:0, enabled:1 (default)
1420d61e6649SAlexander Langer#options 	SYM_SETUP_MAX_LUN	#-Number of LUNs supported
1421d61e6649SAlexander Langer					# default:8, range:[1..64]
14226a8d6623SGarrett Wollman
1423ef137fd3SMike Smith# The 'asr' driver provides support for current DPT/Adaptec SCSI RAID
1424ef137fd3SMike Smith# controllers (SmartRAID V and VI and later).
1425ef137fd3SMike Smith# These controllers require the CAM infrastructure.
1426ef137fd3SMike Smith#
1427ef137fd3SMike Smithdevice		asr
1428ef137fd3SMike Smith
1429153cbcc3SMike Smith# The 'dpt' driver provides support for old DPT controllers (http://www.dpt.com/).
1430153cbcc3SMike Smith# These have hardware RAID-{0,1,5} support, and do multi-initiator I/O.
1431153cbcc3SMike Smith# The DPT controllers are commonly re-licensed under other brand-names -
1432153cbcc3SMike Smith# some controllers by Olivetti, Dec, HP, AT&T, SNI, AST, Alphatronic, NEC and
1433153cbcc3SMike Smith# Compaq are actually DPT controllers.
1434153cbcc3SMike Smith#
1435153cbcc3SMike Smith# See src/sys/dev/dpt for debugging and other subtle options.
1436153cbcc3SMike Smith#   DPT_MEASURE_PERFORMANCE Enables a set of (semi)invasive metrics. Various
1437153cbcc3SMike Smith#                           instruments are enabled.  The tools in
1438153cbcc3SMike Smith#                           /usr/sbin/dpt_* assume these to be enabled.
1439153cbcc3SMike Smith#   DPT_HANDLE_TIMEOUTS     Normally device timeouts are handled by the DPT.
1440153cbcc3SMike Smith#                           If you ant the driver to handle timeouts, enable
1441153cbcc3SMike Smith#                           this option.  If your system is very busy, this
1442153cbcc3SMike Smith#                           option will create more trouble than solve.
1443153cbcc3SMike Smith#   DPT_TIMEOUT_FACTOR      Used to compute the excessive amount of time to
1444153cbcc3SMike Smith#                           wait when timing out with the above option.
1445153cbcc3SMike Smith#  DPT_DEBUG_xxxx           These are controllable from sys/dev/dpt/dpt.h
1446153cbcc3SMike Smith#  DPT_LOST_IRQ             When enabled, will try, once per second, to catch
1447153cbcc3SMike Smith#                           any interrupt that got lost.  Seems to help in some
1448153cbcc3SMike Smith#                           DPT-firmware/Motherboard combinations.  Minimal
1449153cbcc3SMike Smith#                           cost, great benefit.
1450153cbcc3SMike Smith#  DPT_RESET_HBA            Make "reset" actually reset the controller
1451153cbcc3SMike Smith#                           instead of fudging it.  Only enable this if you
1452153cbcc3SMike Smith#			    are 100% certain you need it.
1453153cbcc3SMike Smith
1454153cbcc3SMike Smithdevice		dpt
1455153cbcc3SMike Smith
1456153cbcc3SMike Smith# DPT options
1457153cbcc3SMike Smith#!CAM# options 	DPT_MEASURE_PERFORMANCE
1458153cbcc3SMike Smith#!CAM# options 	DPT_HANDLE_TIMEOUTS
1459153cbcc3SMike Smithoptions 	DPT_TIMEOUT_FACTOR=4
1460153cbcc3SMike Smithoptions 	DPT_LOST_IRQ
1461153cbcc3SMike Smithoptions 	DPT_RESET_HBA
1462153cbcc3SMike Smithoptions 	DPT_ALLOW_MEMIO
1463153cbcc3SMike Smith
1464153cbcc3SMike Smith#
1465153cbcc3SMike Smith# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later
1466153cbcc3SMike Smith# firmware.  These controllers have a SCSI-like interface, and require
1467153cbcc3SMike Smith# the CAM infrastructure.
1468153cbcc3SMike Smith#
1469153cbcc3SMike Smithdevice		mly
1470153cbcc3SMike Smith
14718b89ef0aSSøren Schmidt#
147235863739SMike Smith# Adaptec FSA RAID controllers, including integrated DELL controllers,
147335863739SMike Smith# the Dell PERC 2/QC and the HP NetRAID-4M
1474ead270f1SMike Smith#
1475ead270f1SMike Smith# AAC_COMPAT_LINUX	Include code to support Linux-binary management
1476ead270f1SMike Smith#			utilities (requires Linux compatibility
1477ead270f1SMike Smith#			support).
1478ead270f1SMike Smith#
147935863739SMike Smithdevice		aac
148035863739SMike Smith
148135863739SMike Smith#
14825e3488e3SJonathan Lemon# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers.  Only
14835e3488e3SJonathan Lemon# one entry is needed; the code will find and configure all supported
14845e3488e3SJonathan Lemon# controllers.
148513066c5fSJonathan Lemon#
14865e3488e3SJonathan Lemondevice		ida		# Compaq Smart RAID
1487c9953c3bSPeter Wemmdevice		mlx		# Mylex DAC960
1488c9953c3bSPeter Wemmdevice		amr		# AMI MegaRAID
14896ac4727aSMike Smith
14906ac4727aSMike Smith#
149190d3341eSPeter Wemm# 3ware ATA RAID
149290d3341eSPeter Wemm#
149390d3341eSPeter Wemmdevice		twe		# 3ware ATA RAID
149490d3341eSPeter Wemm
149590d3341eSPeter Wemm#
14966d04301dSAlexander Langer# The 'ATA' driver supports all ATA and ATAPI devices, including PC Card
14976d04301dSAlexander Langer# devices. You only need one "device ata" for it to find all
14986d04301dSAlexander Langer# PCI and PC Card ATA/ATAPI devices on modern machines.
1499c9953c3bSPeter Wemmdevice		ata
1500c9953c3bSPeter Wemmdevice		atadisk		# ATA disk drives
1501c9953c3bSPeter Wemmdevice		atapicd		# ATAPI CDROM drives
1502c9953c3bSPeter Wemmdevice		atapifd		# ATAPI floppy drives
1503c9953c3bSPeter Wemmdevice		atapist		# ATAPI tape drives
150474d8e840SSøren Schmidt
15058b89ef0aSSøren Schmidt#
15066d04301dSAlexander Langer# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add:
15076d04301dSAlexander Langerhint.ata.0.at="isa"
15086d04301dSAlexander Langerhint.ata.0.port="0x1f0"
15096d04301dSAlexander Langerhint.ata.0.irq="14"
15106d04301dSAlexander Langerhint.ata.1.at="isa"
15116d04301dSAlexander Langerhint.ata.1.port="0x170"
15126d04301dSAlexander Langerhint.ata.1.irq="15"
15136d04301dSAlexander Langer
15146d04301dSAlexander Langer#
1515000da71aSSøren Schmidt# The following options are valid on the ATA driver:
1516000da71aSSøren Schmidt#
1517000da71aSSøren Schmidt# ATA_STATIC_ID:	controller numbering is static ie depends on location
151874d8e840SSøren Schmidt#			else the device numbers are dynamically allocated.
151974d8e840SSøren Schmidt
152074d8e840SSøren Schmidtoptions 	ATA_STATIC_ID
152174d8e840SSøren Schmidt
15228b89ef0aSSøren Schmidt#
15236d04301dSAlexander Langer# Standard floppy disk controllers and floppy tapes, supports
15246d04301dSAlexander Langer# the Y-E DATA External FDD (PC Card)
15256a8d6623SGarrett Wollman#
1526f71c01ccSPeter Wemmdevice		fdc
1527f71c01ccSPeter Wemmhint.fdc.0.at="isa"
1528f71c01ccSPeter Wemmhint.fdc.0.port="0x3F0"
1529f71c01ccSPeter Wemmhint.fdc.0.irq="6"
1530f71c01ccSPeter Wemmhint.fdc.0.drq="2"
153185827d9cSJoerg Wunsch#
1532d2fb4892SJoerg Wunsch# FDC_DEBUG enables floppy debugging.  Since the debug output is huge, you
1533d2fb4892SJoerg Wunsch# gotta turn it actually on by setting the variable fd_debug with DDB,
1534d2fb4892SJoerg Wunsch# however.
1535d2fb4892SJoerg Wunschoptions 	FDC_DEBUG
1536d2fb4892SJoerg Wunsch#
1537f71c01ccSPeter Wemm# Activate this line if you happen to have an Insight floppy tape.
1538f71c01ccSPeter Wemm# Probing them proved to be dangerous for people with floppy disks only,
1539f71c01ccSPeter Wemm# so it's "hidden" behind a flag:
1540f71c01ccSPeter Wemm#hint.fdc.0.flags="1"
154185827d9cSJoerg Wunsch
1542f71c01ccSPeter Wemm# Specify floppy devices
1543f71c01ccSPeter Wemmhint.fd.0.at="fdc0"
1544f71c01ccSPeter Wemmhint.fd.0.drive="0"
1545f71c01ccSPeter Wemmhint.fd.1.at="fdc0"
1546f71c01ccSPeter Wemmhint.fd.1.drive="1"
154785827d9cSJoerg Wunsch
1548d4ebee28SPoul-Henning Kamp# M-systems DiskOnchip products see src/sys/contrib/dev/fla/README
1549f71c01ccSPeter Wemmdevice		fla
1550f71c01ccSPeter Wemmhint.fla.0.at="isa"
1551d4ebee28SPoul-Henning Kamp
15526a8d6623SGarrett Wollman#
1553d61e6649SAlexander Langer# Other standard PC hardware:
15546a8d6623SGarrett Wollman#
15556a8d6623SGarrett Wollman# mse: Logitech and ATI InPort bus mouse ports
15566d04301dSAlexander Langer# sio: serial ports (see sio(4)), including support for various
15576d04301dSAlexander Langer#      PC Card devices, such as Modem and NICs (see etc/defaults/pccard.conf)
15586a8d6623SGarrett Wollman
1559f71c01ccSPeter Wemmdevice		mse
1560f71c01ccSPeter Wemmhint.mse.0.at="isa"
1561f71c01ccSPeter Wemmhint.mse.0.port="0x23c"
1562f71c01ccSPeter Wemmhint.mse.0.irq="5"
1563975c53c7SDoug Rabson
1564f71c01ccSPeter Wemmdevice		sio
1565f71c01ccSPeter Wemmhint.sio.0.at="isa"
1566f71c01ccSPeter Wemmhint.sio.0.port="0x3F8"
1567f71c01ccSPeter Wemmhint.sio.0.flags="0x10"
1568f71c01ccSPeter Wemmhint.sio.0.irq="4"
15699546766aSBruce Evans
15709546766aSBruce Evans#
15719546766aSBruce Evans# `flags' for serial drivers that support consoles (only for sio now):
15729546766aSBruce Evans#	0x10	enable console support for this unit.  The other console flags
15739546766aSBruce Evans#		are ignored unless this is set.  Enabling console support does
15749546766aSBruce Evans#		not make the unit the preferred console - boot with -h or set
15759546766aSBruce Evans#		the 0x20 flag for that.  Currently, at most one unit can have
15769546766aSBruce Evans#		console support; the first one (in config file order) with
15779546766aSBruce Evans#		this flag set is preferred.  Setting this flag for sio0 gives
15789546766aSBruce Evans#		the old behaviour.
15799546766aSBruce Evans#	0x20	force this unit to be the console (unless there is another
15809546766aSBruce Evans#		higher priority console).  This replaces the COMCONSOLE option.
15819546766aSBruce Evans#	0x40	reserve this unit for low level console operations.  Do not
158204fb8e53SAlexander Langer#		access the device in any normal way.
1583a7674320SMartin Cracauer#	0x80	use this port for serial line gdb support in ddb.
15849546766aSBruce Evans#
15856a796ce0SJohn-Mark Gurney# PnP `flags' (set via userconfig using pnp x flags y)
15866a796ce0SJohn-Mark Gurney#	0x1	disable probing of this device.  Used to prevent your modem
15876a796ce0SJohn-Mark Gurney#		from being attached as a PnP modem.
15886a796ce0SJohn-Mark Gurney#
15899546766aSBruce Evans
15909546766aSBruce Evans# Options for serial drivers that support consoles (only for sio now):
15919546766aSBruce Evansoptions 	BREAK_TO_DEBUGGER	#a BREAK on a comconsole goes to
15929546766aSBruce Evans					#DDB, if available.
1593ba23229eSDima Dorfmanoptions 	CONSPEED=115200		# speed for serial console
1594ba23229eSDima Dorfman					# (default 9600)
15956a8d6623SGarrett Wollman
159626b6ea69SPaul Saab# Solaris implements a new BREAK which is initiated by a character
159726b6ea69SPaul Saab# sequence CR ~ ^b which is similar to a familiar pattern used on
159826b6ea69SPaul Saab# Sun servers by the Remote Console.
159926b6ea69SPaul Saaboptions 	ALT_BREAK_TO_DEBUGGER
160026b6ea69SPaul Saab
16016a8d6623SGarrett Wollman# Options for sio:
1602768fd661SBruce Evansoptions 	COM_ESP			#code for Hayes ESP
16039ba0e7c3SBruce Evansoptions 	COM_MULTIPORT		#code for some cards with shared IRQs
16046a8d6623SGarrett Wollman
160596b89afcSBruce Evans# Other flags for sio that aren't documented in the man page.
160696b89afcSBruce Evans#	0x20000	enable hardware RTS/CTS and larger FIFOs.  Only works for
160796b89afcSBruce Evans#		ST16650A-compatible UARTs.
160896b89afcSBruce Evans
16096a8d6623SGarrett Wollman#
1610d61e6649SAlexander Langer# Network interfaces:
16116a8d6623SGarrett Wollman#
1612d61e6649SAlexander Langer# MII bus support is required for some PCI 10/100 ethernet NICs,
1613d61e6649SAlexander Langer# namely those which use MII-compliant transceivers or implement
1614d61e6649SAlexander Langer# tranceiver control interfaces that operate like an MII. Adding
1615d61e6649SAlexander Langer# "device miibus0" to the kernel config pulls in support for
1616d61e6649SAlexander Langer# the generic miibus API and all of the PHY drivers, including a
1617d61e6649SAlexander Langer# generic one for PHYs that aren't specifically handled by an
1618d61e6649SAlexander Langer# individual driver.
1619d61e6649SAlexander Langerdevice		miibus
1620d61e6649SAlexander Langer
1621d61e6649SAlexander Langer# an:   Aironet 4500/4800 802.11 wireless adapters. Supports the PCMCIA,
1622d61e6649SAlexander Langer#       PCI and ISA varieties.
1623d61e6649SAlexander Langer# ar:   Arnet SYNC/570i hdlc sync 2/4 port V.35/X.21 serial driver
1624d61e6649SAlexander Langer#       (requires sppp)
16256d04301dSAlexander Langer# awi:  Support for IEEE 802.11 PC Card devices using the AMD Am79C930 and
16266d04301dSAlexander Langer#       Harris (Intersil) Chipset with PCnetMobile firmware by AMD.
1627d6f40bb4SWarner Losh# cnw:  Xircom CNW/Netware Airsurfer PC Card adapter
1628b16d163dSMike Smith# cs:   IBM Etherjet and other Crystal Semi CS89x0-based adapters
162983401efaSGarrett Wollman# cx:   Cronyx/Sigma multiport sync/async (with Cisco or PPP framing)
1630d61e6649SAlexander Langer# dc:   Support for PCI fast ethernet adapters based on the DEC/Intel 21143
1631d61e6649SAlexander Langer#       and various workalikes including:
1632d61e6649SAlexander Langer#       the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics
1633d61e6649SAlexander Langer#       AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On
1634d61e6649SAlexander Langer#       82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II
1635d61e6649SAlexander Langer#       and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver
1636d61e6649SAlexander Langer#       replaces the old al, ax, dm, pn and mx drivers.  List of brands:
1637d61e6649SAlexander Langer#       Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110,
1638d61e6649SAlexander Langer#       SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX,
1639d61e6649SAlexander Langer#       LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204,
1640d61e6649SAlexander Langer#       KNE110TX.
1641d61e6649SAlexander Langer# de:   Digital Equipment DC21040
16426a8d6623SGarrett Wollman# ed:   Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503
16436d04301dSAlexander Langer#       HP PC Lan+, various PC Card devices (refer to etc/defauls/pccard.conf)
16446a8d6623SGarrett Wollman# el:   3Com 3C501 (slow!)
1645855e2f19SAlexander Langer# ep:   3Com 3C509, 3C529, 3C556, 3C562D, 3C563D, 3C572, 3C574X, 3C579, 3C589
16466d04301dSAlexander Langer#       and PC Card devices using these chipsets.
16476d04301dSAlexander Langer# ex:   Intel EtherExpress Pro/10 and other i82595-based adapters,
16486d04301dSAlexander Langer#       Olicom Ethernet PC Card devices.
16491a7c583cSGarrett Wollman# fe:   Fujitsu MB86960A/MB86965A Ethernet
1650d61e6649SAlexander Langer# fea:  DEC DEFEA EISA FDDI adapter
1651d61e6649SAlexander Langer# fpa:  Support for the Digital DEFPA PCI FDDI. `device fddi' is also needed.
1652d61e6649SAlexander Langer# fxp:  Intel EtherExpress Pro/100B
1653cf87044eSMatt Jacob#	(hint of prefer_iomap can be done to prefer I/O instead of Mem mapping)
1654d61e6649SAlexander Langer# ie:   AT&T StarLAN 10 and EN100; 3Com 3C507; unknown NI5210;
1655d61e6649SAlexander Langer#       Intel EtherExpress
16566a8d6623SGarrett Wollman# le:   Digital Equipment EtherWorks 2 and EtherWorks 3 (DEPCA, DE100,
16576a8d6623SGarrett Wollman#       DE101, DE200, DE201, DE202, DE203, DE204, DE205, DE422)
1658d61e6649SAlexander Langer# lnc:  Lance/PCnet cards (Isolan, Novell NE2100, NE32-VL, AMD Am7990 and
1659d61e6649SAlexander Langer#       Am79C960)
1660c678bc4fSBill Paul# lge:	Support for PCI gigabit ethernet adapters based on the Level 1
1661c678bc4fSBill Paul#	LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX,
1662c678bc4fSBill Paul#	SMC TigerCard 1000 (SMC9462SX), and some Addtron cards.
1663ce4946daSBill Paul# nge:	Support for PCI gigabit ethernet adapters based on the National
1664ce4946daSBill Paul#	Semiconductor DP83820 and DP83821 chipset. This includes the
1665ce4946daSBill Paul#	SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet
166601019292SBill Paul#	GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the LinkSys
1667660e0297SBill Paul#	EG1032 and EG1064, the Surecom EP-320G-TX and the Netgear GA622T.
1668d61e6649SAlexander Langer# oltr: Olicom ISA token-ring adapters OC-3115, OC-3117, OC-3118 and OC-3133
1669d61e6649SAlexander Langer#       (no hints needed).
1670d61e6649SAlexander Langer#       Olicom PCI token-ring adapters OC-3136, OC-3137, OC-3139, OC-3140,
1671d61e6649SAlexander Langer#       OC-3141, OC-3540, OC-3250
167230cfb5b6SJoerg Wunsch# rdp:  RealTek RTL 8002-based pocket ethernet adapters
167341f7d2d5SBill Paul# pcn:	Support for PCI fast ethernet adapters based on the AMD Am79c97x
167441f7d2d5SBill Paul#	chipsets, including the PCnet/FAST, PCnet/FAST+, PCnet/PRO and
167541f7d2d5SBill Paul#	PCnet/Home. These were previously handled by the lnc driver (and
167641f7d2d5SBill Paul#	still will be if you leave this driver out of the kernel).
1677d61e6649SAlexander Langer# rl:   Support for PCI fast ethernet adapters based on the RealTek 8129/8139
1678d61e6649SAlexander Langer#       chipset.  Note that the RealTek driver defaults to using programmed
1679d61e6649SAlexander Langer#       I/O to do register accesses because memory mapped mode seems to cause
1680d61e6649SAlexander Langer#       severe lockups on SMP hardware.  This driver also supports the
1681d61e6649SAlexander Langer#       Accton EN1207D `Cheetah' adapter, which uses a chip called
1682d61e6649SAlexander Langer#       the MPX 5030/5038, which is either a RealTek in disguise or a
1683d61e6649SAlexander Langer#       RealTek workalike.  Note that the D-Link DFE-530TX+ uses the RealTek
1684d61e6649SAlexander Langer#       chipset and is supported by this driver, not the 'vr' driver.
1685d61e6649SAlexander Langer# sf:   Support for Adaptec Duralink PCI fast ethernet adapters based on the
1686d61e6649SAlexander Langer#       Adaptec AIC-6915 "starfire" controller.
1687d61e6649SAlexander Langer#       This includes dual and quad port cards, as well as one 100baseFX card.
1688d61e6649SAlexander Langer#       Most of these are 64-bit PCI devices, except for one single port
1689d61e6649SAlexander Langer#       card which is 32-bit.
1690b2ca5572SAlexander Langer# sis:  Support for NICs based on the Silicon Integrated Systems SiS 900,
1691b2ca5572SAlexander Langer#       SiS 7016 and NS DP83815 PCI fast ethernet controller chips.
1692d61e6649SAlexander Langer# sk:   Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs.
1693d61e6649SAlexander Langer#       This includes the SK-9841 and SK-9842 single port cards (single mode
1694d61e6649SAlexander Langer#       and multimode fiber) and the SK-9843 and SK-9844 dual port cards
1695d61e6649SAlexander Langer#       (also single mode and multimode).
1696d61e6649SAlexander Langer#       The driver will autodetect the number of ports on the card and
1697d61e6649SAlexander Langer#       attach each one as a separate network interface.
16986d04301dSAlexander Langer# sn:   Support for ISA and PC Card Ethernet devices using the
16996d04301dSAlexander Langer#       SMC91C90/92/94/95 chips.
1700d805b866SJohn Hay# sr:   RISCom/N2 hdlc sync 1/2 port V.35/X.21 serial driver (requires sppp)
1701d61e6649SAlexander Langer# ste:  Sundance Technologies ST201 PCI fast ethernet controller, includes
1702d61e6649SAlexander Langer#       the D-Link DFE-550TX.
1703d61e6649SAlexander Langer# ti:   Support for PCI gigabit ethernet NICs based on the Alteon Networks
1704d61e6649SAlexander Langer#       Tigon 1 and Tigon 2 chipsets.  This includes the Alteon AceNIC, the
1705d61e6649SAlexander Langer#       3Com 3c985, the Netgear GA620 and various others.  Note that you will
1706d61e6649SAlexander Langer#       probably want to bump up NMBCLUSTERS a lot to use this driver.
1707d61e6649SAlexander Langer# tl:   Support for the Texas Instruments TNETE100 series 'ThunderLAN'
1708d61e6649SAlexander Langer#       cards and integrated ethernet controllers.  This includes several
1709d61e6649SAlexander Langer#       Compaq Netelligent 10/100 cards and the built-in ethernet controllers
1710d61e6649SAlexander Langer#       in several Compaq Prosignia, Proliant and Deskpro systems.  It also
1711d61e6649SAlexander Langer#       supports several Olicom 10Mbps and 10/100 boards.
17120cc2be21SSemen Ustimenko# tx:   SMC 9432 TX, BTX and FTX cards. (SMC EtherPower II serie)
1713d61e6649SAlexander Langer# vr:   Support for various fast ethernet adapters based on the VIA
1714d61e6649SAlexander Langer#       Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips,
1715d61e6649SAlexander Langer#       including the D-Link DFE530TX (see 'rl' for DFE530TX+), the Hawking
1716d61e6649SAlexander Langer#       Technologies PN102TX, and the AOpen/Acer ALN-320.
1717d61e6649SAlexander Langer# vx:   3Com 3C590 and 3C595
1718d61e6649SAlexander Langer# wb:   Support for fast ethernet adapters based on the Winbond W89C840F chip.
1719d61e6649SAlexander Langer#       Note: this is not the same as the Winbond W89C940F, which is a
1720d61e6649SAlexander Langer#       NE2000 clone.
172198d46ad0SMike Smith# wl:   Lucent Wavelan (ISA card only).
172231a08ab0SBill Paul# wi:   Lucent WaveLAN/IEEE 802.11 PCMCIA adapters. Note: this supports both
17235f0d0590SPeter Wemm#       the PCMCIA and ISA cards: the ISA card is really a PCMCIA to ISA
17245f0d0590SPeter Wemm#       bridge with a PCMCIA adapter plugged into it.
1725d61e6649SAlexander Langer# wx:   Intel Gigabit Ethernet PCI card (`Wiseman')
17266d04301dSAlexander Langer# xe:   Xircom/Intel EtherExpress Pro100/16 PC Card ethernet controller,
17276d04301dSAlexander Langer#       Accton Fast EtherCard-16, Compaq Netelligent 10/100 PC Card,
17286d04301dSAlexander Langer#       Toshiba 10/100 Ethernet PC Card, Xircom 16-bit Ethernet + Modem 56
1729d61e6649SAlexander Langer# xl:   Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast)
1730d61e6649SAlexander Langer#       Etherlink XL cards and integrated controllers.  This includes the
1731d61e6649SAlexander Langer#       integrated 3c905B-TX chips in certain Dell Optiplex and Dell
1732d61e6649SAlexander Langer#       Precision desktop machines and the integrated 3c905-TX chips
1733d61e6649SAlexander Langer#       in Dell Latitude laptop docking stations.
1734d61e6649SAlexander Langer#       Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX
1735d61e6649SAlexander Langer
1736d61e6649SAlexander Langer# Order for ISA/EISA devices is important here
1737d61e6649SAlexander Langer
1738f71c01ccSPeter Wemmdevice		ar	1
1739f71c01ccSPeter Wemmhint.ar.0.at="isa"
1740f71c01ccSPeter Wemmhint.ar.0.port="0x300"
1741f71c01ccSPeter Wemmhint.ar.0.irq="10"
174242b04349SPeter Wemmhint.ar.0.maddr="0xd0000"
1743f71c01ccSPeter Wemmdevice		cs
1744f71c01ccSPeter Wemmhint.cs.0.at="isa"
1745f71c01ccSPeter Wemmhint.cs.0.port="0x300"
1746f71c01ccSPeter Wemmdevice		cx	1
1747f71c01ccSPeter Wemmhint.cx.0.at="isa"
1748f71c01ccSPeter Wemmhint.cx.0.port="0x240"
1749f71c01ccSPeter Wemmhint.cx.0.irq="15"
1750f71c01ccSPeter Wemmhint.cx.0.drq="7"
1751f71c01ccSPeter Wemmdevice		ed
1752f71c01ccSPeter Wemmhint.ed.0.at="isa"
1753f71c01ccSPeter Wemmhint.ed.0.port="0x280"
1754f71c01ccSPeter Wemmhint.ed.0.irq="5"
175542b04349SPeter Wemmhint.ed.0.maddr="0xd8000"
1756f71c01ccSPeter Wemmdevice		el	1
1757f71c01ccSPeter Wemmhint.el.0.at="isa"
1758f71c01ccSPeter Wemmhint.el.0.port="0x300"
1759f71c01ccSPeter Wemmhint.el.0.irq="9"
1760c9953c3bSPeter Wemmdevice		ep
1761c9953c3bSPeter Wemmdevice		ex
1762f71c01ccSPeter Wemmdevice		fe	1
1763edd5302dSJeroen Ruigrok van der Wervenoptions 	FE_8BIT_SUPPORT		# LAC-98 support
1764f71c01ccSPeter Wemmhint.fe.0.at="isa"
1765f71c01ccSPeter Wemmhint.fe.0.port="0x300"
1766d61e6649SAlexander Langerdevice		fea
1767f71c01ccSPeter Wemmdevice		ie	2
1768f71c01ccSPeter Wemmhint.ie.0.at="isa"
1769f71c01ccSPeter Wemmhint.ie.0.port="0x300"
1770f71c01ccSPeter Wemmhint.ie.0.irq="5"
177142b04349SPeter Wemmhint.ie.0.maddr="0xd0000"
1772f71c01ccSPeter Wemmhint.ie.1.at="isa"
1773f71c01ccSPeter Wemmhint.ie.1.port="0x360"
1774f71c01ccSPeter Wemmhint.ie.1.irq="7"
177542b04349SPeter Wemmhint.ie.1.maddr="0xd0000"
1776f71c01ccSPeter Wemmdevice		le	1
1777f71c01ccSPeter Wemmhint.le.0.at="isa"
1778f71c01ccSPeter Wemmhint.le.0.port="0x300"
1779f71c01ccSPeter Wemmhint.le.0.irq="5"
178042b04349SPeter Wemmhint.le.0.maddr="0xd0000"
1781f71c01ccSPeter Wemmdevice		lnc	1
1782f71c01ccSPeter Wemmhint.lnc.0.at="isa"
1783f71c01ccSPeter Wemmhint.lnc.0.port="0x280"
1784f71c01ccSPeter Wemmhint.lnc.0.irq="10"
1785f71c01ccSPeter Wemmhint.lnc.0.drq="0"
1786f71c01ccSPeter Wemmdevice		rdp	1
1787f71c01ccSPeter Wemmhint.rdp.0.at="isa"
1788f71c01ccSPeter Wemmhint.rdp.0.port="0x378"
1789f71c01ccSPeter Wemmhint.rdp.0.irq="7"
1790f71c01ccSPeter Wemmhint.rdp.0.flags="2"
1791f71c01ccSPeter Wemmdevice		sr	1
1792f71c01ccSPeter Wemmhint.sr.0.at="isa"
1793f71c01ccSPeter Wemmhint.sr.0.port="0x300"
1794f71c01ccSPeter Wemmhint.sr.0.irq="5"
179542b04349SPeter Wemmhint.sr.0.maddr="0xd0000"
1796f71c01ccSPeter Wemmdevice		sn
1797f71c01ccSPeter Wemmhint.sn.0.at="isa"
1798f71c01ccSPeter Wemmhint.sn.0.port="0x300"
1799f71c01ccSPeter Wemmhint.sn.0.irq="10"
1800c9953c3bSPeter Wemmdevice		an
18010d5c223dSWarner Loshdevice		awi
1802d6f40bb4SWarner Loshdevice		cnw
18030d5c223dSWarner Loshdevice		wi
18043476cdb9SMike Smithoptions 	WLCACHE		# enables the signal-strength cache
18053476cdb9SMike Smithoptions 	WLDEBUG		# enables verbose debugging output
1806f71c01ccSPeter Wemmdevice		wl	1
1807f71c01ccSPeter Wemmhint.wl.0.at="isa"
1808f71c01ccSPeter Wemmhint.wl.0.port="0x300"
18090d5c223dSWarner Loshdevice		xe
1810648c711bSPoul-Henning Kamp
1811f71c01ccSPeter Wemmdevice		oltr
1812f71c01ccSPeter Wemmoptions 	OLTR_NO_BULLSEYE_MAC
1813f71c01ccSPeter Wemmoptions 	OLTR_NO_HAWKEYE_MAC
1814f71c01ccSPeter Wemmoptions 	OLTR_NO_TMS_MAC
1815f71c01ccSPeter Wemmhint.oltr.0.at="isa"
1816722012ccSJulian Elischer
1817d61e6649SAlexander Langer# PCI Ethernet NICs that use the common MII bus controller code.
1818d61e6649SAlexander Langerdevice		dc		# DEC/Intel 21143 and various workalikes
18194664a8d5SJonathan Lemondevice		fxp		# Intel EtherExpress PRO/100B (82557, 82558)
18204664a8d5SJonathan Lemonhint.fxp.0.prefer_iomap="0"
1821d61e6649SAlexander Langerdevice		rl		# RealTek 8129/8139
18222e1b1231SDima Dorfmandevice		pcn		# AMD Am79C97x PCI 10/100 NICs
1823d61e6649SAlexander Langerdevice		sf		# Adaptec AIC-6915 (``Starfire'')
1824d61e6649SAlexander Langerdevice		sis		# Silicon Integrated Systems SiS 900/SiS 7016
1825d61e6649SAlexander Langerdevice		ste		# Sundance ST201 (D-Link DFE-550TX)
1826d61e6649SAlexander Langerdevice		tl		# Texas Instruments ThunderLAN
1827eed59f52SSemen Ustimenkodevice		tx		# SMC EtherPower II (83c170 ``EPIC'')
1828d61e6649SAlexander Langerdevice		vr		# VIA Rhine, Rhine II
1829d61e6649SAlexander Langerdevice		wb		# Winbond W89C840F
1830d61e6649SAlexander Langerdevice		xl		# 3Com 3c90x (``Boomerang'', ``Cyclone'')
1831d61e6649SAlexander Langer
1832d61e6649SAlexander Langer# PCI Ethernet NICs.
1833d61e6649SAlexander Langerdevice		de		# DEC/Intel DC21x4x (``Tulip'')
1834c7ba4194SWarner Loshdevice		vx		# 3Com 3c590, 3c595 (``Vortex'')
1835d61e6649SAlexander Langer
1836d61e6649SAlexander Langer# PCI Gigabit & FDDI NICs.
1837c678bc4fSBill Pauldevice		lge
1838ce4946daSBill Pauldevice		nge
1839d61e6649SAlexander Langerdevice		sk
1840d61e6649SAlexander Langerdevice		ti
1841d61e6649SAlexander Langerdevice		wx
1842d61e6649SAlexander Langerdevice		fpa	1
1843d61e6649SAlexander Langer
184468713f97SKenjiro Cho#
184544b5247dSKenjiro Cho# ATM related options (Cranor version)
184644b5247dSKenjiro Cho# (note: this driver cannot be used with the HARP ATM stack)
184768713f97SKenjiro Cho#
184868713f97SKenjiro Cho# The `en' device provides support for Efficient Networks (ENI)
184968713f97SKenjiro Cho# ENI-155 PCI midway cards, and the Adaptec 155Mbps PCI ATM cards (ANA-59x0).
185068713f97SKenjiro Cho#
1851f71c01ccSPeter Wemm# atm device provides generic atm functions and is required for
185268713f97SKenjiro Cho# atm devices.
18533cbceb82SKenjiro Cho# NATM enables the netnatm protocol family that can be used to
185468713f97SKenjiro Cho# bypass TCP/IP.
185568713f97SKenjiro Cho#
185668713f97SKenjiro Cho# the current driver supports only PVC operations (no atm-arp, no multicast).
185768713f97SKenjiro Cho# for more details, please read the original documents at
185898a44096SSheldon Hearn# http://www.ccrc.wustl.edu/pub/chuck/tech/bsdatm/bsdatm.html
185968713f97SKenjiro Cho#
1860f71c01ccSPeter Wemmdevice		atm
186144b5247dSKenjiro Chodevice		en
18623cbceb82SKenjiro Chooptions 	NATM			#native ATM
1863f4567b9cSJulian Elischer
1864c19da41eSPeter Wemm#
1865f71c01ccSPeter Wemm# Audio drivers: `pcm', `sbc', `gusc', `pca'
1866c19da41eSPeter Wemm#
1867c7406082SJohn-Mark Gurney# pcm: PCM audio through various sound cards.
1868c7406082SJohn-Mark Gurney#
186968ec4eb6SLuigi Rizzo# This has support for a large number of new audio cards, based on
187068ec4eb6SLuigi Rizzo# CS423x, OPTi931, Yamaha OPL-SAx, and also for SB16, GusPnP.
187168ec4eb6SLuigi Rizzo# For more information about this driver and supported cards,
187298a44096SSheldon Hearn# see the pcm.4 man page.
1873c7406082SJohn-Mark Gurney#
1874c7406082SJohn-Mark Gurney# The flags of the device tells the device a bit more info about the
1875c7406082SJohn-Mark Gurney# device that normally is obtained through the PnP interface.
1876c7406082SJohn-Mark Gurney#	bit  2..0   secondary DMA channel;
1877c7406082SJohn-Mark Gurney#	bit  4      set if the board uses two dma channels;
1878c7406082SJohn-Mark Gurney#	bit 15..8   board type, overrides autodetection; leave it
1879c7406082SJohn-Mark Gurney#		    zero if don't know what to put in (and you don't,
1880c7406082SJohn-Mark Gurney#		    since this is unsupported at the moment...).
1881c7406082SJohn-Mark Gurney#
1882c19da41eSPeter Wemm# This driver will use the new PnP code if it's available.
1883c19da41eSPeter Wemm#
18846a8d6623SGarrett Wollman# pca: PCM audio through your PC speaker
18858b8cd792SJordan K. Hubbard#
188681bb901eSPeter Wemm# Supported cards include:
188781bb901eSPeter Wemm# Creative SoundBlaster ISA PnP/non-PnP
188881bb901eSPeter Wemm# Supports ESS and Avance ISA chips as well.
188981bb901eSPeter Wemm# Gravis UltraSound ISA PnP/non-PnP
189081bb901eSPeter Wemm# Crystal Semiconductor CS461x/428x PCI
189181bb901eSPeter Wemm# Neomagic 256AV (ac97)
189281bb901eSPeter Wemm# Most of the more common ISA/PnP sb/mss/ess compatable cards.
189381bb901eSPeter Wemm
189467245194SPeter Wemmdevice		pcm
1895c19da41eSPeter Wemm
1896f71c01ccSPeter Wemm# For non-pnp sound cards with no bridge drivers only:
1897f71c01ccSPeter Wemmhint.pcm.0.at="isa"
1898f71c01ccSPeter Wemmhint.pcm.0.irq="10"
1899f71c01ccSPeter Wemmhint.pcm.0.drq="1"
1900f71c01ccSPeter Wemmhint.pcm.0.flags="0x0"
1901f71c01ccSPeter Wemm
1902f71c01ccSPeter Wemm# For PnP/PCI sound cards, no hints are required.
1903f71c01ccSPeter Wemm
1904fb0ef528SSeigo Tanimura#
1905fb0ef528SSeigo Tanimura# midi: MIDI interfaces and synthesizers
1906fb0ef528SSeigo Tanimura#
1907fb0ef528SSeigo Tanimura
1908fb0ef528SSeigo Tanimuradevice		midi
1909fb0ef528SSeigo Tanimura
1910fb0ef528SSeigo Tanimura# For non-pnp sound cards with no bridge drivers:
1911fb0ef528SSeigo Tanimurahint.midi.0.at="isa"
1912fb0ef528SSeigo Tanimurahint.midi.0.irq="5"
1913fb0ef528SSeigo Tanimurahint.midi.0.flags="0x0"
1914fb0ef528SSeigo Tanimura
1915fb0ef528SSeigo Tanimura# For serial ports (this example configures port 2):
1916fb0ef528SSeigo Tanimura# TODO: implement generic tty-midi interface so that we can use
1917fb0ef528SSeigo Tanimura#	other uarts.
1918fb0ef528SSeigo Tanimurahint.midi.0.at="isa"
1919fb0ef528SSeigo Tanimurahint.midi.0.port="0x2F8"
1920fb0ef528SSeigo Tanimurahint.midi.0.irq="3"
1921fb0ef528SSeigo Tanimura
1922fb0ef528SSeigo Tanimura#
1923fb0ef528SSeigo Tanimura# seq: MIDI sequencer
1924fb0ef528SSeigo Tanimura#
1925fb0ef528SSeigo Tanimura
1926fb0ef528SSeigo Tanimuradevice		seq
1927fb0ef528SSeigo Tanimura
19281a6e52d0SJeroen Ruigrok van der Werven# The bridge drivers for sound cards.  These can be separately configured
1929fb0ef528SSeigo Tanimura# for providing services to the likes of new-midi.
193081bb901eSPeter Wemm# When used with 'device pcm' they also provide pcm sound services.
193146d6fe72SSeigo Tanimura#
1932e3c43911SSeigo Tanimura# sbc:  Creative SoundBlaster ISA PnP/non-PnP
1933c2f8aaa8SSeigo Tanimura#	Supports ESS and Avance ISA chips as well.
193446d6fe72SSeigo Tanimura# gusc: Gravis UltraSound ISA PnP/non-PnP
193581bb901eSPeter Wemm# csa:  Crystal Semiconductor CS461x/428x PCI
193646d6fe72SSeigo Tanimura
1937869f459cSSeigo Tanimura# For non-PnP cards:
1938f71c01ccSPeter Wemmdevice		sbc
1939f71c01ccSPeter Wemmhint.sbc.0.at="isa"
1940f71c01ccSPeter Wemmhint.sbc.0.port="0x220"
1941f71c01ccSPeter Wemmhint.sbc.0.irq="5"
1942f71c01ccSPeter Wemmhint.sbc.0.drq="1"
1943f71c01ccSPeter Wemmhint.sbc.0.flags="0x15"
1944f71c01ccSPeter Wemmdevice		gusc
1945f71c01ccSPeter Wemmhint.gusc.0.at="isa"
1946f71c01ccSPeter Wemmhint.gusc.0.port="0x220"
1947f71c01ccSPeter Wemmhint.gusc.0.irq="5"
1948f71c01ccSPeter Wemmhint.gusc.0.drq="1"
1949f71c01ccSPeter Wemmhint.gusc.0.flags="0x13"
1950869f459cSSeigo Tanimura
1951f71c01ccSPeter Wemmdevice		pca
1952f71c01ccSPeter Wemmhint.pca.0.at="isa"
1953f71c01ccSPeter Wemmhint.pca.0.port="0x040"
19549ad380abSGarrett Wollman
19556a8d6623SGarrett Wollman#
1956567e21c2SBruce Evans# Miscellaneous hardware:
19576a8d6623SGarrett Wollman#
1958fe1bd330SPoul-Henning Kamp# mcd: Mitsumi CD-ROM using proprietary (non-ATAPI) interface
1959fe1bd330SPoul-Henning Kamp# scd: Sony CD-ROM using proprietary (non-ATAPI) interface
1960fe1bd330SPoul-Henning Kamp# matcd: Matsushita/Panasonic CD-ROM using proprietary (non-ATAPI) interface
19616a8d6623SGarrett Wollman# wt: Wangtek and Archive QIC-02/QIC-36 tape drives
19626a8d6623SGarrett Wollman# ctx: Cortex-I frame grabber
19636a8d6623SGarrett Wollman# apm: Laptop Advanced Power Management (experimental)
1964ff3f2f5cSMitsuru IWASAKI# pmtimer: Timer device driver for power management events (APM or ACPI)
19656c5e9bbdSMike Pritchard# spigot: The Creative Labs Video Spigot video-acquisition board
19661d86961eSJordan K. Hubbard# meteor: Matrox Meteor video capture board
19671c2b5939SRoger Hardiman# bktr: Brooktree bt848/848a/849a/878/879 video capture and TV Tuner board
19682849b131SBruce Evans# cy: Cyclades serial driver
1969a50cd483SJordan K. Hubbard# dgb: Digiboard PC/Xi and PC/Xe series driver (ALPHA QUALITY!)
1970ad01e0c8SBrian Somers# digi: Digiboard driver
19716d04301dSAlexander Langer# gp:  National Instruments AT-GPIB and AT-GPIB/TNT board, PCMCIA-GPIB
1972a800f455SJulian Elischer# asc: GI1904-based hand scanners, e.g. the Trust Amiscan Grey
19731a7c583cSGarrett Wollman# gsc: Genius GS-4500 hand scanner.
19746d04301dSAlexander Langer# joy: joystick (including IO DATA PCJOY PC Card joystick)
1975edd5302dSJeroen Ruigrok van der Werven# The LOUTB option specifies a slower outb() for debugging purposes.
1976d0930614SAndrey A. Chernov# rc: RISCom/8 multiport card
19773b577e1fSJordan K. Hubbard# rp: Comtrol Rocketport(ISA) - single card
1978567e21c2SBruce Evans# tw: TW-523 power line interface for use with X-10 home control products
19790d04cf6aSPeter Wemm# si: Specialix SI/XIO 4-32 port terminal multiplexor
19804323578dSNick Sayer# spic: Sony Programmable I/O controller (VAIO notebooks)
1981c9da1b81SPeter Wemm# stl: Stallion EasyIO and EasyConnection 8/32 (cd1400 based)
1982c9da1b81SPeter Wemm# stli: Stallion EasyConnection 8/64, ONboard, Brumby (intelligent)
1983657e73c4SPeter Dufault
1984e597b497SNate Williams# Notes on APM
19853d4d8fe9SPoul-Henning Kamp#  The flags takes the following meaning for apm0:
19863d4d8fe9SPoul-Henning Kamp#    0x0020  Statclock is broken.
1987c9c350b7SBill Fumerola#  If apm is omitted, some systems require sysctl -w kern.timecounter.method=1
198838ebe562SAdam David#  for correct timekeeping.
198938ebe562SAdam David
19902cd01159SJordan K. Hubbard# Notes on the spigot:
19912cd01159SJordan K. Hubbard#  The video spigot is at 0xad6.  This port address can not be changed.
19922cd01159SJordan K. Hubbard#  The irq values may only be 10, 11, or 15
19932cd01159SJordan K. Hubbard#  I/O memory is an 8kb region.  Possible values are:
19942cd01159SJordan K. Hubbard#    0a0000, 0a2000, ..., 0fffff, f00000, f02000, ..., ffffff
1995d01b6680SJordan K. Hubbard#    The start address must be on an even boundary.
1996d01b6680SJordan K. Hubbard#  Add the following option if you want to allow non-root users to be able
1997d01b6680SJordan K. Hubbard#  to access the spigot.  This option is not secure because it allows users
1998d01b6680SJordan K. Hubbard#  direct access to the I/O page.
1999d01b6680SJordan K. Hubbard#  	options SPIGOT_UNSECURE
20008819d6ecSPoul-Henning Kamp
20013b577e1fSJordan K. Hubbard# Notes on the Comtrol Rocketport driver:
20023b577e1fSJordan K. Hubbard#
20033b577e1fSJordan K. Hubbard# The exact values used for rp0 depend on how many boards you have
20043b577e1fSJordan K. Hubbard# in the system.  The manufacturer's sample configs are listed as:
20053b577e1fSJordan K. Hubbard#
2006f71c01ccSPeter Wemm#               device  rp	# core driver support
2007f71c01ccSPeter Wemm#
20083b577e1fSJordan K. Hubbard#   Comtrol Rocketport ISA single card
2009f71c01ccSPeter Wemm#		hints.rp.0.at="isa"
2010f71c01ccSPeter Wemm#		hints.rp.0.port="0x280"
20113b577e1fSJordan K. Hubbard#
20123b577e1fSJordan K. Hubbard#   If instead you have two ISA cards, one installed at 0x100 and the
20133b577e1fSJordan K. Hubbard#   second installed at 0x180, then you should add the following to
2014f71c01ccSPeter Wemm#   your kernel probe hints:
2015f71c01ccSPeter Wemm#		hints.rp.0.at="isa"
2016f71c01ccSPeter Wemm#		hints.rp.0.port="0x100"
2017f71c01ccSPeter Wemm#		hints.rp.1.at="isa"
2018f71c01ccSPeter Wemm#		hints.rp.1.port="0x180"
20193b577e1fSJordan K. Hubbard#
20203b577e1fSJordan K. Hubbard#   For 4 ISA cards, it might be something like this:
2021f71c01ccSPeter Wemm#		hints.rp.0.at="isa"
2022f71c01ccSPeter Wemm#		hints.rp.0.port="0x180"
2023f71c01ccSPeter Wemm#		hints.rp.1.at="isa"
2024f71c01ccSPeter Wemm#		hints.rp.1.port="0x100"
2025f71c01ccSPeter Wemm#		hints.rp.2.at="isa"
2026f71c01ccSPeter Wemm#		hints.rp.2.port="0x340"
2027f71c01ccSPeter Wemm#		hints.rp.3.at="isa"
2028f71c01ccSPeter Wemm#		hints.rp.3.port="0x240"
20293b577e1fSJordan K. Hubbard#
2030f71c01ccSPeter Wemm#   And for PCI cards, you need no hints.
20313b577e1fSJordan K. Hubbard
2032a50cd483SJordan K. Hubbard# Notes on the Digiboard driver:
2033a50cd483SJordan K. Hubbard#
203439425c9aSBrian Somers# The following flag values have special meanings in dgb:
203539425c9aSBrian Somers#	0x01 - alternate layout of pins
203639425c9aSBrian Somers#	0x02 - use the windowed PC/Xe in 64K mode
20370d04cf6aSPeter Wemm
20380d04cf6aSPeter Wemm# Notes on the Specialix SI/XIO driver:
2039c4823710SPeter Wemm#  The host card is memory, not IO mapped.
2040c4823710SPeter Wemm#  The Rev 1 host cards use a 64K chunk, on a 32K boundary.
2041c4823710SPeter Wemm#  The Rev 2 host cards use a 32K chunk, on a 32K boundary.
2042c4823710SPeter Wemm#  The cards can use an IRQ of 11, 12 or 15.
2043c4823710SPeter Wemm
20444323578dSNick Sayer# Notes on the Sony Programmable I/O controller
20454323578dSNick Sayer#  This is a temporary driver that should someday be replaced by something
20464323578dSNick Sayer#  that hooks into the ACPI layer. The device is hooked to the PIIX4's
20474323578dSNick Sayer#  General Device 10 decoder, which means you have to fiddle with PCI
20484323578dSNick Sayer#  registers to map it in, even though it is otherwise treated here as
20494323578dSNick Sayer#  an ISA device. At the moment, the driver polls, although the device
20504323578dSNick Sayer#  is capable of generating interrupts. It largely undocumented.
20514323578dSNick Sayer#  The port location in the hint is where you WANT the device to be
20524323578dSNick Sayer#  mapped. 0x10a0 seems to be traditional. At the moment the jogdial
20534323578dSNick Sayer#  is the only thing truly supported, but aparently a fair percentage
20544323578dSNick Sayer#  of the Vaio extra features are controlled by this device.
20554323578dSNick Sayer
2056c9da1b81SPeter Wemm# Notes on the Stallion stl and stli drivers:
2057c9da1b81SPeter Wemm#  See src/i386/isa/README.stl for complete instructions.
2058c9da1b81SPeter Wemm#  This is version 0.0.5alpha, unsupported by Stallion.
2059c9da1b81SPeter Wemm#  The stl driver has a secondary IO port hard coded at 0x280.  You need
2060c9da1b81SPeter Wemm#     to change src/i386/isa/stallion.c if you reconfigure this on the boards.
206142b04349SPeter Wemm#  The "flags" and "msize" settings on the stli driver depend on the board:
206242b04349SPeter Wemm#	EasyConnection 8/64 ISA:     flags 23         msize 0x1000
206342b04349SPeter Wemm#	EasyConnection 8/64 EISA:    flags 24         msize 0x10000
206442b04349SPeter Wemm#	EasyConnection 8/64 MCA:     flags 25         msize 0x1000
206542b04349SPeter Wemm#	ONboard ISA:                 flags 4          msize 0x10000
206642b04349SPeter Wemm#	ONboard EISA:                flags 7          msize 0x10000
206742b04349SPeter Wemm#	ONboard MCA:                 flags 3          msize 0x10000
206842b04349SPeter Wemm#	Brumby:                      flags 2          msize 0x4000
206942b04349SPeter Wemm#	Stallion:                    flags 1          msize 0x10000
2070c9da1b81SPeter Wemm
2071f71c01ccSPeter Wemmdevice		mcd	1
2072f71c01ccSPeter Wemmhint.mcd.0.at="isa"
2073f71c01ccSPeter Wemmhint.mcd.0.port="0x300"
2074f71c01ccSPeter Wemmhint.mcd.0.irq="10"
207505e1d9d4SJordan K. Hubbard# for the Sony CDU31/33A CDROM
2076f71c01ccSPeter Wemmdevice		scd	1
2077f71c01ccSPeter Wemmhint.scd.0.at="isa"
2078f71c01ccSPeter Wemmhint.scd.0.port="0x230"
20796c5e9bbdSMike Pritchard# for the SoundBlaster 16 multicd - up to 4 devices
2080f71c01ccSPeter Wemmdevice		matcd	1
2081f71c01ccSPeter Wemmhint.matcd.0.at="isa"
2082f71c01ccSPeter Wemmhint.matcd.0.port="0x230"
2083f71c01ccSPeter Wemmdevice		wt	1
2084f71c01ccSPeter Wemmhint.wt.0.at="isa"
2085f71c01ccSPeter Wemmhint.wt.0.port="0x300"
2086f71c01ccSPeter Wemmhint.wt.0.irq="5"
2087f71c01ccSPeter Wemmhint.wt.0.drq="1"
2088f71c01ccSPeter Wemmdevice		ctx	1
2089f71c01ccSPeter Wemmhint.ctx.0.at="isa"
2090f71c01ccSPeter Wemmhint.ctx.0.port="0x230"
209142b04349SPeter Wemmhint.ctx.0.maddr="0xd0000"
2092f71c01ccSPeter Wemmdevice		spigot	1
2093f71c01ccSPeter Wemmhint.spigot.0.at="isa"
2094f71c01ccSPeter Wemmhint.spigot.0.port="0xad6"
2095f71c01ccSPeter Wemmhint.spigot.0.irq="15"
209642b04349SPeter Wemmhint.spigot.0.maddr="0xee000"
2097f71c01ccSPeter Wemmdevice		apm
2098f71c01ccSPeter Wemmhint.apm.0.flags="0x20"
2099ff3f2f5cSMitsuru IWASAKIdevice		pmtimer			# Adjust system timer at wakeup time
2100215e338bSMitsuru IWASAKIhint.pmtimer.0.at="isa"
2101f71c01ccSPeter Wemmdevice		gp
2102f71c01ccSPeter Wemmhint.gp.0.at="isa"
2103f71c01ccSPeter Wemmhint.gp.0.port="0x2c0"
2104f71c01ccSPeter Wemmdevice		gsc	1
2105f71c01ccSPeter Wemmhint.gsc.0.at="isa"
2106f71c01ccSPeter Wemmhint.gsc.0.port="0x270"
2107f71c01ccSPeter Wemmhint.gsc.0.drq="3"
2108f71c01ccSPeter Wemmdevice		joy			# PnP aware, hints for nonpnp only
2109f71c01ccSPeter Wemmhint.joy.0.at="isa"
2110f71c01ccSPeter Wemmhint.joy.0.port="0x201"
21112849b131SBruce Evansdevice		cy	1
21122849b131SBruce Evansoptions 	CY_PCI_FASTINTR		# Use with cy_pci unless irq is shared
21132849b131SBruce Evanshint.cy.0.at="isa"
21142849b131SBruce Evanshint.cy.0.irq="10"
21152849b131SBruce Evanshint.cy.0.maddr="0xd4000"
21162849b131SBruce Evanshint.cy.0.msize="0x2000"
2117f71c01ccSPeter Wemmdevice		dgb	1
21185895e3c8SPeter Wemmoptions 	NDGBPORTS=16		# Defaults to 16*NDGB
2119f71c01ccSPeter Wemmhint.dgb.0.at="isa"
2120f71c01ccSPeter Wemmhint.dgb.0.port="0x220"
212142b04349SPeter Wemmhint.dgb.0.maddr="0xfc000"
2122ad01e0c8SBrian Somersdevice		digi
21236f41f4abSBrian Somershint.digi.0.at="isa"
21246f41f4abSBrian Somershint.digi.0.port="0x104"
21256f41f4abSBrian Somershint.digi.0.maddr="0xd0000"
2126ad01e0c8SBrian Somers# BIOS & FEP/OS components of device digi.  Normally left as modules
2127ad01e0c8SBrian Somersdevice		digi_CX
2128ad01e0c8SBrian Somersdevice		digi_CX_PCI
2129ad01e0c8SBrian Somersdevice		digi_EPCX
2130ad01e0c8SBrian Somersdevice		digi_EPCX_PCI
2131ad01e0c8SBrian Somersdevice		digi_Xe
2132ad01e0c8SBrian Somersdevice		digi_Xem
2133ad01e0c8SBrian Somersdevice		digi_Xr
2134f71c01ccSPeter Wemmdevice		rc	1
2135f71c01ccSPeter Wemmhint.rc.0.at="isa"
2136f71c01ccSPeter Wemmhint.rc.0.port="0x220"
2137f71c01ccSPeter Wemmhint.rc.0.irq="12"
2138f71c01ccSPeter Wemmdevice		rp
2139f71c01ccSPeter Wemmhint.rp.0.at="isa"
2140f71c01ccSPeter Wemmhint.rp.0.port="0x280"
2141567e21c2SBruce Evans# the port and irq for tw0 are fictitious
2142f71c01ccSPeter Wemmdevice		tw	1
2143f71c01ccSPeter Wemmhint.tw.0.at="isa"
2144f71c01ccSPeter Wemmhint.tw.0.port="0x380"
2145f71c01ccSPeter Wemmhint.tw.0.irq="11"
2146f71c01ccSPeter Wemmdevice		si
2147f71c01ccSPeter Wemmoptions 	SI_DEBUG
2148f71c01ccSPeter Wemmhint.si.0.at="isa"
214942b04349SPeter Wemmhint.si.0.maddr="0xd0000"
2150f71c01ccSPeter Wemmhint.si.0.irq="12"
2151f71c01ccSPeter Wemmdevice		asc	1
2152f71c01ccSPeter Wemmhint.asc.0.at="isa"
2153f71c01ccSPeter Wemmhint.asc.0.port="0x3EB"
2154f71c01ccSPeter Wemmhint.asc.0.drq="3"
2155f71c01ccSPeter Wemmhint.asc.0.irq="10"
21564323578dSNick Sayerdevice		spic
21574323578dSNick Sayerhint.spic.0.at="isa"
21584323578dSNick Sayerhint.spic.0.port="0x10a0"
2159f71c01ccSPeter Wemmdevice		stl
2160f71c01ccSPeter Wemmhint.stl.0.at="isa"
2161f71c01ccSPeter Wemmhint.stl.0.port="0x2a0"
2162f71c01ccSPeter Wemmhint.stl.0.irq="10"
2163f71c01ccSPeter Wemmdevice		stli
2164f71c01ccSPeter Wemmhint.stli.0.at="isa"
2165f71c01ccSPeter Wemmhint.stli.0.port="0x2a0"
216642b04349SPeter Wemmhint.stli.0.maddr="0xcc000"
2167f71c01ccSPeter Wemmhint.stli.0.flags="23"
216842b04349SPeter Wemmhint.stli.0.msize="0x1000"
2169f71c01ccSPeter Wemm# You are unlikely to have the hardware for loran <phk@FreeBSD.org>
2170f71c01ccSPeter Wemmdevice		loran
2171f71c01ccSPeter Wemmhint.loran.0.at="isa"
2172f71c01ccSPeter Wemmhint.loran.0.irq="5"
217398a44096SSheldon Hearn# HOT1 Xilinx 6200 card (http://www.vcc.com/)
2174c9953c3bSPeter Wemmdevice		xrpu
2175a800f455SJulian Elischer
2176eeb706c0SJustin T. Gibbs#
2177bba9a7a0SGarrett Wollman# The `meteor' device is a PCI video capture board. It can also have the
21781d86961eSJordan K. Hubbard# following options:
2179b1529bdaSPeter Wemm#   options METEOR_ALLOC_PAGES=xxx	preallocate kernel pages for data entry
21801d86961eSJordan K. Hubbard#	figure (ROWS*COLUMN*BYTES_PER_PIXEL*FRAME+PAGE_SIZE-1)/PAGE_SIZE
21811d86961eSJordan K. Hubbard#   options METEOR_DEALLOC_PAGES	remove all allocated pages on close(2)
2182b1529bdaSPeter Wemm#   options METEOR_DEALLOC_ABOVE=xxx	remove all allocated pages above the
21831d86961eSJordan K. Hubbard#	specified amount. If this value is below the allocated amount no action
21841d86961eSJordan K. Hubbard#	taken
21854f5f3f07SBrian Somers#   options METEOR_SYSTEM_DEFAULT={METEOR_PAL|METEOR_NTSC|METEOR_SECAM}, used
2186734d08a2SJordan K. Hubbard#	for initialization of fps routine when a signal is not present.
21871d86961eSJordan K. Hubbard#
2188a9c5b8d0SSøren Schmidt# The 'bktr' device is a PCI video capture device using the Brooktree
21891c2b5939SRoger Hardiman# bt848/bt848a/bt849a/bt878/bt879 chipset. When used with a TV Tuner it forms a
2190a9c5b8d0SSøren Schmidt# TV card, eg Miro PC/TV, Hauppauge WinCast/TV WinTV, VideoLogic Captivator,
21911c2b5939SRoger Hardiman# Intel Smart Video III, AverMedia, IMS Turbo, FlyVideo.
21921c2b5939SRoger Hardiman#
2193a9c5b8d0SSøren Schmidt# options 	OVERRIDE_CARD=xxx
2194a9c5b8d0SSøren Schmidt# options 	OVERRIDE_TUNER=xxx
2195a9c5b8d0SSøren Schmidt# options 	OVERRIDE_MSP=1
2196a9c5b8d0SSøren Schmidt# options 	OVERRIDE_DBX=1
21971c2b5939SRoger Hardiman# These options can be used to override the auto detection
219898a44096SSheldon Hearn# The current values for xxx are found in src/sys/dev/bktr/bktr_card.h
21991c2b5939SRoger Hardiman# Using sysctl(8) run-time overrides on a per-card basis can be made
22009ff07e32SAmancio Hasty#
22014f5f3f07SBrian Somers# options 	BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL
22021c2b5939SRoger Hardiman# or
22031c2b5939SRoger Hardiman# options 	BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC
22041c2b5939SRoger Hardiman# Specifes the default video capture mode.
2205a9c5b8d0SSøren Schmidt# This is required for Dual Crystal (28&35Mhz) boards where PAL is used
2206a9c5b8d0SSøren Schmidt# to prevent hangs during initialisation.  eg VideoLogic Captivator PCI.
2207a9c5b8d0SSøren Schmidt#
22084f5f3f07SBrian Somers# options 	BKTR_USE_PLL
22091c2b5939SRoger Hardiman# PAL or SECAM users who have a 28Mhz crystal (and no 35Mhz crystal)
22101c2b5939SRoger Hardiman# must enable PLL mode with this option. eg some new Bt878 cards.
2211a9c5b8d0SSøren Schmidt#
22121c2b5939SRoger Hardiman# options 	BKTR_GPIO_ACCESS
22131c2b5939SRoger Hardiman# This enable IOCTLs which give user level access to the GPIO port.
22141c2b5939SRoger Hardiman#
22151c2b5939SRoger Hardiman# options 	BKTR_NO_MSP_RESET
22161c2b5939SRoger Hardiman# Prevents the MSP34xx reset. Good if you initialise the MSP in another OS first
22171c2b5939SRoger Hardiman#
22181c2b5939SRoger Hardiman# options 	BKTR_430_FX_MODE
22191c2b5939SRoger Hardiman# Switch Bt878/879 cards into Intel 430FX chipset compatibility mode.
22201c2b5939SRoger Hardiman#
22211c2b5939SRoger Hardiman# options 	BKTR_SIS_VIA_MODE
22221c2b5939SRoger Hardiman# Switch Bt878/879 cards into SIS/VIA chipset compatibility mode which is
22231c2b5939SRoger Hardiman# needed for some old SiS and VIA chipset motherboards.
22241c2b5939SRoger Hardiman# This also allows Bt878/879 chips to work on old OPTi (<1997) chipset
22251c2b5939SRoger Hardiman# motherboards and motherboards with bad or incomplete PCI 2.1 support.
22261c2b5939SRoger Hardiman# As a rough guess, old = before 1998
22271c2b5939SRoger Hardiman#
2228017b0edcSMatt Jacob
2229f71c01ccSPeter Wemmdevice		meteor	1
22300f3563b6SRoger Hardiman
223128ebb692SNicolas Souchu# Brooktree driver has been ported to the new I2C framework. Thus,
22320f3563b6SRoger Hardiman# you'll need to have the following 3 lines in the kernel config.
223337973e86SPeter Wemm#     device smbus
223437973e86SPeter Wemm#     device iicbus
223537973e86SPeter Wemm#     device iicbb
22360f3563b6SRoger Hardiman# The iic and smb devices are only needed if you want to control other
22370f3563b6SRoger Hardiman# I2C slaves connected to the external connector of some cards.
223828ebb692SNicolas Souchu#
2239f71c01ccSPeter Wemmdevice		bktr	1
2240446cee6eSJoerg Wunsch
2241dc9deb29SPoul-Henning Kamp#
22426d04301dSAlexander Langer# PC Card/PCMCIA
22430142c727SJohn Baldwin# (OLDCARD)
2244dc9deb29SPoul-Henning Kamp#
2245b5137699SWarner Losh# card: pccard slots
2246b5137699SWarner Losh# pcic: isa/pccard bridge
2247f71c01ccSPeter Wemmdevice		pcic
2248f71c01ccSPeter Wemmhint.pcic.0.at="isa"
2249f71c01ccSPeter Wemmhint.pcic.1.at="isa"
2250c9953c3bSPeter Wemmdevice		card
2251dc9deb29SPoul-Henning Kamp
22520142c727SJohn Baldwin#
22530142c727SJohn Baldwin# PC Card/PCMCIA and Cardbus
22540142c727SJohn Baldwin# (NEWCARD)
22550142c727SJohn Baldwin#
22560142c727SJohn Baldwin# Note that NEWCARD and OLDCARD are incompatible.  Do not use both at the same
22570142c727SJohn Baldwin# time.
22580142c727SJohn Baldwin#
22590142c727SJohn Baldwin# pccbb: isa/pccard and pci/cardbus bridge
22600142c727SJohn Baldwin# pccard: pccard slots
22610142c727SJohn Baldwin# cardbus: cardbus slots
22620142c727SJohn Baldwin#device		pccbb
22630142c727SJohn Baldwin#device		pccard
22640142c727SJohn Baldwin#device		cardbus
22650142c727SJohn Baldwin
22668aa25588SBrian Somers# You may need to reset all pccards after resuming
22678aa25588SBrian Somersoptions 	PCIC_RESUME_RESET	# reset after resume
22688aa25588SBrian Somers
2269446cee6eSJoerg Wunsch#
2270446cee6eSJoerg Wunsch# Laptop/Notebook options:
2271446cee6eSJoerg Wunsch#
2272446cee6eSJoerg Wunsch# See also:
22736c5e9bbdSMike Pritchard#  apm under `Miscellaneous hardware'
2274446cee6eSJoerg Wunsch# above.
2275446cee6eSJoerg Wunsch
2276446cee6eSJoerg Wunsch# For older notebooks that signal a powerfail condition (external
2277446cee6eSJoerg Wunsch# power supply dropped, or battery state low) by issuing an NMI:
2278446cee6eSJoerg Wunsch
2279446cee6eSJoerg Wunschoptions 	POWERFAIL_NMI	# make it beep instead of panicing
228065e8111fSBruce Evans
2281ab4c624bSMike Smith#
22828afa373cSNicolas Souchu# SMB bus
22838afa373cSNicolas Souchu#
22843c5656bfSArchie Cobbs# System Management Bus support is provided by the 'smbus' device.
22853c5656bfSArchie Cobbs# Access to the SMBus device is via the 'smb' device (/dev/smb*),
22863c5656bfSArchie Cobbs# which is a child of the 'smbus' device.
22878afa373cSNicolas Souchu#
22888afa373cSNicolas Souchu# Supported devices:
22893c5656bfSArchie Cobbs# smb		standard io through /dev/smb*
22908afa373cSNicolas Souchu#
22913c5656bfSArchie Cobbs# Supported SMB interfaces:
229228ebb692SNicolas Souchu# iicsmb	I2C to SMB bridge with any iicbus interface
229328ebb692SNicolas Souchu# bktr		brooktree848 I2C hardware interface
229404fb1490SNicolas Souchu# intpm		Intel PIIX4 Power Management Unit
2295c5ea635cSNicolas Souchu# alpm		Acer Aladdin-IV/V/Pro2 Power Management Unit
22963c5656bfSArchie Cobbs# ichsmb	Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA)
22978afa373cSNicolas Souchu#
2298c9953c3bSPeter Wemmdevice		smbus		# Bus support, required for smb below.
22993c5656bfSArchie Cobbs
2300c9953c3bSPeter Wemmdevice		intpm
2301c89863e8SNicolas Souchudevice		alpm
23023c5656bfSArchie Cobbsdevice		ichsmb
23038afa373cSNicolas Souchu
2304c9953c3bSPeter Wemmdevice		smb
23058afa373cSNicolas Souchu
23068afa373cSNicolas Souchu#
23078afa373cSNicolas Souchu# I2C Bus
23088afa373cSNicolas Souchu#
23098afa373cSNicolas Souchu# Philips i2c bus support is provided by the `iicbus' device.
23108afa373cSNicolas Souchu#
23118afa373cSNicolas Souchu# Supported devices:
23128afa373cSNicolas Souchu# ic	i2c network interface
23138afa373cSNicolas Souchu# iic	i2c standard io
2314f7d09fbaSNicolas Souchu# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands.
23158afa373cSNicolas Souchu#
23168afa373cSNicolas Souchu# Supported interfaces:
23178afa373cSNicolas Souchu# pcf	Philips PCF8584 ISA-bus controller
231828ebb692SNicolas Souchu# bktr	brooktree848 I2C software interface
231928ebb692SNicolas Souchu#
232028ebb692SNicolas Souchu# Other:
232128ebb692SNicolas Souchu# iicbb	generic I2C bit-banging code (needed by lpbb, bktr)
23228afa373cSNicolas Souchu#
2323c9953c3bSPeter Wemmdevice		iicbus		# Bus support, required for ic/iic/iicsmb below.
2324c9953c3bSPeter Wemmdevice		iicbb
23258afa373cSNicolas Souchu
2326c9953c3bSPeter Wemmdevice		ic
2327c9953c3bSPeter Wemmdevice		iic
2328c9953c3bSPeter Wemmdevice		iicsmb		# smb over i2c bridge
23298afa373cSNicolas Souchu
2330f71c01ccSPeter Wemmdevice		pcf
2331f71c01ccSPeter Wemmhint.pcf.0.at="isa"
2332f71c01ccSPeter Wemmhint.pcf.0.port="0x320"
2333f71c01ccSPeter Wemmhint.pcf.0.irq="5"
23348afa373cSNicolas Souchu
233531a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
233631a539a5SHellmuth Michaelis# ISDN4BSD
233780037d6eSHellmuth Michaelis#
2338e5981bd1SHellmuth Michaelis# See /usr/share/examples/isdn/ROADMAP for an introduction to isdn4bsd.
233980037d6eSHellmuth Michaelis#
234031a539a5SHellmuth Michaelis# i4b passive ISDN cards support contains the following hardware drivers:
23418afa373cSNicolas Souchu#
23428ccc600fSHellmuth Michaelis#	isic  - Siemens/Infineon ISDN ISAC/HSCX/IPAC chipset driver
23438ccc600fSHellmuth Michaelis#	iwic  - Winbond W6692 PCI bus ISDN S/T interface controller
23448ccc600fSHellmuth Michaelis#	ifpi  - AVM Fritz!Card PCI driver
23458ccc600fSHellmuth Michaelis#	ihfc  - Cologne Chip HFC ISA/ISA-PnP chipset driver
23468ccc600fSHellmuth Michaelis#	ifpnp - AVM Fritz!Card PnP driver
23478301794fSHellmuth Michaelis#	itjc  - Siemens ISAC / TJNet Tiger300/320 chipset
2348e5981bd1SHellmuth Michaelis#
23496b244dc5SHellmuth Michaelis# i4b active ISDN cards support contains the following hardware drivers:
23506b244dc5SHellmuth Michaelis#
23516b244dc5SHellmuth Michaelis#	iavc  - AVM B1 PCI, AVM B1 ISA, AVM T1
23526b244dc5SHellmuth Michaelis#
235331a539a5SHellmuth Michaelis# Note that the ``options'' (if given) and ``device'' lines must BOTH
235431a539a5SHellmuth Michaelis# be uncommented to enable support for a given card !
235531a539a5SHellmuth Michaelis#
235631a539a5SHellmuth Michaelis# In addition to a hardware driver (and probably an option) the mandatory
235731a539a5SHellmuth Michaelis# ISDN protocol stack devices and the mandatory support device must be
235831a539a5SHellmuth Michaelis# enabled as well as one or more devices from the optional devices section.
235931a539a5SHellmuth Michaelis#
236031a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
236131a539a5SHellmuth Michaelis#	isic driver (Siemens/Infineon chipsets)
236231a539a5SHellmuth Michaelis#
236331a539a5SHellmuth Michaelisdevice	isic
236431a539a5SHellmuth Michaelis#
2365e5981bd1SHellmuth Michaelis# ISA bus non-PnP Cards:
2366e5981bd1SHellmuth Michaelis# ----------------------
236719c74962SPoul-Henning Kamp#
236819c74962SPoul-Henning Kamp# Teles S0/8 or Niccy 1008
23695895e3c8SPeter Wemmoptions 	TEL_S0_8
2370f71c01ccSPeter Wemmhint.isic.0.at="isa"
237142b04349SPeter Wemmhint.isic.0.maddr="0xd0000"
2372f71c01ccSPeter Wemmhint.isic.0.irq="5"
2373f71c01ccSPeter Wemmhint.isic.0.flags="1"
237419c74962SPoul-Henning Kamp#
237519c74962SPoul-Henning Kamp# Teles S0/16 or Creatix ISDN-S0 or Niccy 1016
23765895e3c8SPeter Wemmoptions 	TEL_S0_16
2377f71c01ccSPeter Wemmhint.isic.0.at="isa"
2378f71c01ccSPeter Wemmhint.isic.0.port="0xd80"
237942b04349SPeter Wemmhint.isic.0.maddr="0xd0000"
2380f71c01ccSPeter Wemmhint.isic.0.irq="5"
2381f71c01ccSPeter Wemmhint.isic.0.flags="2"
238219c74962SPoul-Henning Kamp#
238319c74962SPoul-Henning Kamp# Teles S0/16.3
23845895e3c8SPeter Wemmoptions 	TEL_S0_16_3
2385f71c01ccSPeter Wemmhint.isic.0.at="isa"
238619dde963SPeter Wemmhint.isic.0.port="0xd80"
2387f71c01ccSPeter Wemmhint.isic.0.irq="5"
2388f71c01ccSPeter Wemmhint.isic.0.flags="3"
238919c74962SPoul-Henning Kamp#
239019c74962SPoul-Henning Kamp# AVM A1 or AVM Fritz!Card
23915895e3c8SPeter Wemmoptions 	AVM_A1
2392f71c01ccSPeter Wemmhint.isic.0.at="isa"
239319dde963SPeter Wemmhint.isic.0.port="0x340"
2394f71c01ccSPeter Wemmhint.isic.0.irq="5"
2395f71c01ccSPeter Wemmhint.isic.0.flags="4"
239619c74962SPoul-Henning Kamp#
239731a539a5SHellmuth Michaelis# USRobotics Sportster ISDN TA intern
239831a539a5SHellmuth Michaelisoptions 	USR_STI
239931a539a5SHellmuth Michaelishint.isic.0.at="isa"
240031a539a5SHellmuth Michaelishint.isic.0.port="0x268"
240131a539a5SHellmuth Michaelishint.isic.0.irq="5"
240231a539a5SHellmuth Michaelishint.isic.0.flags="7"
240319c74962SPoul-Henning Kamp#
240431a539a5SHellmuth Michaelis# ITK ix1 Micro ( < V.3, non-PnP version )
240531a539a5SHellmuth Michaelisoptions 	ITKIX1
240631a539a5SHellmuth Michaelishint.isic.0.at="isa"
240731a539a5SHellmuth Michaelishint.isic.0.port="0x398"
240831a539a5SHellmuth Michaelishint.isic.0.irq="10"
240931a539a5SHellmuth Michaelishint.isic.0.flags="18"
241019c74962SPoul-Henning Kamp#
241180037d6eSHellmuth Michaelis# ELSA PCC-16
2412cb211653SJeroen Ruigrok van der Wervenoptions 	ELSA_PCC16
2413f71c01ccSPeter Wemmhint.isic.0.at="isa"
241419dde963SPeter Wemmhint.isic.0.port="0x360"
2415f71c01ccSPeter Wemmhint.isic.0.irq="10"
2416f71c01ccSPeter Wemmhint.isic.0.flags="20"
241780037d6eSHellmuth Michaelis#
2418e5981bd1SHellmuth Michaelis# ISA bus PnP Cards:
2419e5981bd1SHellmuth Michaelis# ------------------
242019c74962SPoul-Henning Kamp#
242119c74962SPoul-Henning Kamp# Teles S0/16.3 PnP
24225895e3c8SPeter Wemmoptions 	TEL_S0_16_3_P
242319c74962SPoul-Henning Kamp#
242419c74962SPoul-Henning Kamp# Creatix ISDN-S0 P&P
24255895e3c8SPeter Wemmoptions 	CRTX_S0_P
242619c74962SPoul-Henning Kamp#
242719c74962SPoul-Henning Kamp# Dr. Neuhaus Niccy Go@
24285895e3c8SPeter Wemmoptions 	DRN_NGO
242919c74962SPoul-Henning Kamp#
243019c74962SPoul-Henning Kamp# Sedlbauer Win Speed
24315895e3c8SPeter Wemmoptions 	SEDLBAUER
243219c74962SPoul-Henning Kamp#
243331a539a5SHellmuth Michaelis# Dynalink IS64PH
243431a539a5SHellmuth Michaelisoptions 	DYNALINK
243519c74962SPoul-Henning Kamp#
243619c74962SPoul-Henning Kamp# ELSA QuickStep 1000pro ISA
24375895e3c8SPeter Wemmoptions 	ELSA_QS1ISA
243819c74962SPoul-Henning Kamp#
24390df6adecSHellmuth Michaelis# Siemens I-Surf 2.0
2440cb211653SJeroen Ruigrok van der Wervenoptions 	SIEMENS_ISURF2
24410df6adecSHellmuth Michaelis#
24429d45f435SJeroen Ruigrok van der Werven# Asuscom ISDNlink 128K ISA
244331a539a5SHellmuth Michaelisoptions 	ASUSCOM_IPAC
24441eeb917cSJeroen Ruigrok van der Werven#
24454a29e8f9SHellmuth Michaelis# Eicon Diehl DIVA 2.0 and 2.02
24464a29e8f9SHellmuth Michaelisoptions       EICON_DIVA
24474a29e8f9SHellmuth Michaelis#
2448e5981bd1SHellmuth Michaelis# PCI bus Cards:
2449e5981bd1SHellmuth Michaelis# --------------
245019c74962SPoul-Henning Kamp#
2451e5981bd1SHellmuth Michaelis# ELSA MicroLink ISDN/PCI (same as ELSA QuickStep 1000pro PCI)
24525895e3c8SPeter Wemmoptions 	ELSA_QS1PCI
245319c74962SPoul-Henning Kamp#
245431a539a5SHellmuth Michaelis#
245531a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
245631a539a5SHellmuth Michaelis#	ifpnp driver for AVM Fritz!Card PnP
245731a539a5SHellmuth Michaelis#
245831a539a5SHellmuth Michaelis# AVM Fritz!Card PnP
245931a539a5SHellmuth Michaelisdevice ifpnp
246031a539a5SHellmuth Michaelis#
246131a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
246231a539a5SHellmuth Michaelis#	ihfc driver for Cologne Chip ISA chipsets (experimental!)
246331a539a5SHellmuth Michaelis#
246431a539a5SHellmuth Michaelis# Teles 16.3c ISA PnP
246531a539a5SHellmuth Michaelis# AcerISDN P10 ISA PnP
246631a539a5SHellmuth Michaelis# TELEINT ISDN SPEED No.1
246731a539a5SHellmuth Michaelisdevice ihfc
246831a539a5SHellmuth Michaelis#
246931a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
247031a539a5SHellmuth Michaelis#	ifpi driver for AVM Fritz!Card PCI
247131a539a5SHellmuth Michaelis#
247280037d6eSHellmuth Michaelis# AVM Fritz!Card PCI
247331a539a5SHellmuth Michaelisdevice  ifpi
247480037d6eSHellmuth Michaelis#
247531a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
247631a539a5SHellmuth Michaelis#	iwic driver for Winbond W6692 chipset
247719c74962SPoul-Henning Kamp#
247831a539a5SHellmuth Michaelis# ASUSCOM P-IN100-ST-D (and other Winbond W6692 based cards)
24793374f8ccSHellmuth Michaelisdevice  iwic
248019c74962SPoul-Henning Kamp#
248131a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
24828301794fSHellmuth Michaelis#	itjc driver for Simens ISAC / TJNet Tiger300/320 chipset
24838301794fSHellmuth Michaelis#
24848301794fSHellmuth Michaelis# Traverse Technologies NETjet-S
24858301794fSHellmuth Michaelis# Teles PCI-TJ
24868301794fSHellmuth Michaelisdevice  itjc
24878301794fSHellmuth Michaelis#
24888301794fSHellmuth Michaelis#---------------------------------------------------------------------------
24896b244dc5SHellmuth Michaelis#	iavc driver (AVM active cards, needs i4bcapi driver!)
24906b244dc5SHellmuth Michaelis#
24916b244dc5SHellmuth Michaelisdevice	iavc
24926b244dc5SHellmuth Michaelis#
24936b244dc5SHellmuth Michaelis# AVM B1 ISA bus (PnP mode not supported!)
24946b244dc5SHellmuth Michaelis# ----------------------------------------
24956b244dc5SHellmuth Michaelishint.iavc.0.at="isa"
24966b244dc5SHellmuth Michaelishint.iavc.0.port="0x150"
24976b244dc5SHellmuth Michaelishint.iavc.0.irq="5"
24986b244dc5SHellmuth Michaelis#
24996b244dc5SHellmuth Michaelis#---------------------------------------------------------------------------
250031a539a5SHellmuth Michaelis#	ISDN Protocol Stack - mandatory for all hardware drivers
250119c74962SPoul-Henning Kamp#
250219c74962SPoul-Henning Kamp# Q.921 / layer 2 - i4b passive cards D channel handling
2503f71c01ccSPeter Wemmdevice		"i4bq921"
250419c74962SPoul-Henning Kamp#
250519c74962SPoul-Henning Kamp# Q.931 / layer 3 - i4b passive cards D channel handling
2506f71c01ccSPeter Wemmdevice		"i4bq931"
250719c74962SPoul-Henning Kamp#
250819c74962SPoul-Henning Kamp# layer 4 - i4b common passive and active card handling
2509f71c01ccSPeter Wemmdevice		"i4b"
251019c74962SPoul-Henning Kamp#
251131a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
251231a539a5SHellmuth Michaelis#	ISDN devices - mandatory for all hardware drivers
251319c74962SPoul-Henning Kamp#
251419c74962SPoul-Henning Kamp# userland driver to do ISDN tracing (for passive cards only)
2515f71c01ccSPeter Wemmdevice		"i4btrc"	4
251619c74962SPoul-Henning Kamp#
251719c74962SPoul-Henning Kamp# userland driver to control the whole thing
2518f71c01ccSPeter Wemmdevice		"i4bctl"
251919c74962SPoul-Henning Kamp#
252031a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
252131a539a5SHellmuth Michaelis#	ISDN devices - optional
252231a539a5SHellmuth Michaelis#
252319c74962SPoul-Henning Kamp# userland driver for access to raw B channel
2524f71c01ccSPeter Wemmdevice		"i4brbch"	4
252519c74962SPoul-Henning Kamp#
252619c74962SPoul-Henning Kamp# userland driver for telephony
2527f71c01ccSPeter Wemmdevice		"i4btel"	2
252819c74962SPoul-Henning Kamp#
252919c74962SPoul-Henning Kamp# network driver for IP over raw HDLC ISDN
2530f71c01ccSPeter Wemmdevice		"i4bipr"	4
253119c74962SPoul-Henning Kamp# enable VJ header compression detection for ipr i/f
253219c74962SPoul-Henning Kampoptions 	IPR_VJ
2533e5981bd1SHellmuth Michaelis# enable logging of the first n IP packets to isdnd (n=32 here)
2534f71c01ccSPeter Wemmoptions 	IPR_LOG=32
253519c74962SPoul-Henning Kamp#
2536aaf8e082SJoerg Wunsch# network driver for sync PPP over ISDN; requires an equivalent
2537f71c01ccSPeter Wemm# number of sppp device to be configured
2538f71c01ccSPeter Wemmdevice		"i4bisppp"	4
253931a539a5SHellmuth Michaelis#
25406b244dc5SHellmuth Michaelis# B-channel interface to the netgraph subsystem
254131a539a5SHellmuth Michaelisdevice		"i4bing"	2
254231a539a5SHellmuth Michaelis#
25436b244dc5SHellmuth Michaelis# CAPI driver needed for active ISDN cards (see iavc driver above)
25446b244dc5SHellmuth Michaelisdevice		"i4bcapi"
25456b244dc5SHellmuth Michaelis#
254631a539a5SHellmuth Michaelis#---------------------------------------------------------------------------
254719c74962SPoul-Henning Kamp
2548ab4c624bSMike Smith# Parallel-Port Bus
2549ab4c624bSMike Smith#
2550ab4c624bSMike Smith# Parallel port bus support is provided by the `ppbus' device.
2551ab4c624bSMike Smith# Multiple devices may be attached to the parallel port, devices
2552ab4c624bSMike Smith# are automatically probed and attached when found.
2553ab4c624bSMike Smith#
2554ab4c624bSMike Smith# Supported devices:
2555ab4c624bSMike Smith# vpo	Iomega Zip Drive
2556f7d09fbaSNicolas Souchu#	Requires SCSI disk support ('scbus' and 'da'), best
2557f88c1346SMike Smith#	performance is achieved with ports in EPP 1.9 mode.
2558fdf94d1aSNicolas Souchu# lpt	Parallel Printer
255946f3ff79SMike Smith# plip	Parallel network interface
2560fdf94d1aSNicolas Souchu# ppi	General-purpose I/O ("Geek Port") + IEEE1284 I/O
2561f7d09fbaSNicolas Souchu# pps	Pulse per second Timing Interface
256228ebb692SNicolas Souchu# lpbb	Philips official parallel port I2C bit-banging interface
2563ab4c624bSMike Smith#
2564ab4c624bSMike Smith# Supported interfaces:
2565ab4c624bSMike Smith# ppc	ISA-bus parallel port interfaces.
2566ab4c624bSMike Smith#
2567ef8f7626SNicolas Souchu
25680f210c92SNicolas Souchuoptions		PPC_PROBE_CHIPSET # Enable chipset specific detection
25690f210c92SNicolas Souchu				  # (see flags in ppc(4))
25705895e3c8SPeter Wemmoptions 	DEBUG_1284	# IEEE1284 signaling protocol debug
25715895e3c8SPeter Wemmoptions 	PERIPH_1284	# Makes your computer act as a IEEE1284
2572ef8f7626SNicolas Souchu				# compliant peripheral
25735895e3c8SPeter Wemmoptions 	DONTPROBE_1284	# Avoid boot detection of PnP parallel devices
25745895e3c8SPeter Wemmoptions 	VP0_DEBUG	# ZIP/ZIP+ debug
25755895e3c8SPeter Wemmoptions 	LPT_DEBUG	# Printer driver debug
25765895e3c8SPeter Wemmoptions 	PPC_DEBUG	# Parallel chipset level debug
25775895e3c8SPeter Wemmoptions 	PLIP_DEBUG	# Parallel network IP interface debug
25783b2d592cSJordan K. Hubbardoptions		PCFCLOCK_VERBOSE         # Verbose pcfclock driver
25793b2d592cSJordan K. Hubbardoptions		PCFCLOCK_MAX_RETRIES=5   # Maximum read tries (default 10)
2580ef8f7626SNicolas Souchu
2581f71c01ccSPeter Wemmdevice		ppc
2582f71c01ccSPeter Wemmhint.ppc.0.at="isa"
2583f71c01ccSPeter Wemmhint.ppc.0.irq="7"
25840d31b179SPeter Wemmdevice		ppbus
25850d31b179SPeter Wemmdevice		vpo
25860d31b179SPeter Wemmdevice		lpt
25870d31b179SPeter Wemmdevice		plip
25880d31b179SPeter Wemmdevice		ppi
25890d31b179SPeter Wemmdevice		pps
25900d31b179SPeter Wemmdevice		lpbb
25910d31b179SPeter Wemmdevice		pcfclock
2592ab4c624bSMike Smith
2593432aad0eSTor Egge# Kernel BOOTP support
2594432aad0eSTor Egge
2595432aad0eSTor Eggeoptions 	BOOTP		# Use BOOTP to obtain IP address/hostname
2596432aad0eSTor Eggeoptions 	BOOTP_NFSROOT	# NFS mount root filesystem using BOOTP info
25975895e3c8SPeter Wemmoptions 	BOOTP_NFSV3	# Use NFS v3 to NFS mount root
2598432aad0eSTor Eggeoptions 	BOOTP_COMPAT	# Workaround for broken bootp daemons.
25995895e3c8SPeter Wemmoptions 	BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP
2600432aad0eSTor Egge
2601d94f38acSEivind Eklund#
2602d94f38acSEivind Eklund# Add tie-ins for a hardware watchdog.  This only enable the hooks;
2603d94f38acSEivind Eklund# the user must still supply the actual driver.
2604d94f38acSEivind Eklund#
2605d94f38acSEivind Eklundoptions 	HW_WDOG
2606d94f38acSEivind Eklund
2607005092bbSEivind Eklund#
2608005092bbSEivind Eklund# Set the number of PV entries per process.  Increasing this can
2609005092bbSEivind Eklund# stop panics related to heavy use of shared memory. However, that can
2610005092bbSEivind Eklund# (combined with large amounts of physical memory) cause panics at
2611005092bbSEivind Eklund# boot time due the kernel running out of VM space.
2612005092bbSEivind Eklund#
2613005092bbSEivind Eklund# If you're tweaking this, you might also want to increase the sysctls
2614005092bbSEivind Eklund# "vm.v_free_min", "vm.v_free_reserved", and "vm.v_free_target".
2615005092bbSEivind Eklund#
261604fa1e6cSEivind Eklund# The value below is the one more than the default.
2617005092bbSEivind Eklund#
26185895e3c8SPeter Wemmoptions 	PMAP_SHPGPERPROC=201
2619005092bbSEivind Eklund
2620c796cfa1SAndrzej Bialecki#
2621c796cfa1SAndrzej Bialecki# Disable swapping. This option removes all code which actually performs
2622c796cfa1SAndrzej Bialecki# swapping, so it's not possible to turn it back on at run-time.
2623c796cfa1SAndrzej Bialecki#
2624c796cfa1SAndrzej Bialecki# This is sometimes usable for systems which don't have any swap space
2625c796cfa1SAndrzej Bialecki# (see also sysctls "vm.defer_swapspace_pageouts" and
2626c796cfa1SAndrzej Bialecki# "vm.disable_swapspace_pageouts")
2627c796cfa1SAndrzej Bialecki#
262819dde963SPeter Wemm#options 	NO_SWAPPING
2629c796cfa1SAndrzej Bialecki
26309dab0776SDavid Greenman# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers
26319dab0776SDavid Greenman# for sendfile(2) that are used to map file VM pages, and normally
26329dab0776SDavid Greenman# default to a quantity that is roughly 16*MAXUSERS+512. You would
26339dab0776SDavid Greenman# typically want about 4 of these for each simultaneous file send.
26349dab0776SDavid Greenman#
26355895e3c8SPeter Wemmoptions 	NSFBUFS=1024
26369dab0776SDavid Greenman
263715a1057cSEivind Eklund#
2638053a2b61SEivind Eklund# Enable extra debugging code for locks.  This stores the filename and
2639ec4e5afbSRobert Nordier# line of whatever acquired the lock in the lock itself, and change a
2640053a2b61SEivind Eklund# number of function calls to pass around the relevant data.  This is
2641053a2b61SEivind Eklund# not at all useful unless you are debugging lock code.  Also note
2642053a2b61SEivind Eklund# that it is likely to break e.g. fstat(1) unless you recompile your
2643053a2b61SEivind Eklund# userland with -DDEBUG_LOCKS as well.
264415a1057cSEivind Eklund#
264515a1057cSEivind Eklundoptions 	DEBUG_LOCKS
264615a1057cSEivind Eklund
264726086a03SPeter Wemm
264826086a03SPeter Wemm#####################################################################
264926086a03SPeter Wemm# ABI Emulation
265026086a03SPeter Wemm
265126086a03SPeter Wemm# Enable iBCS2 runtime support for SCO and ISC binaries
265226086a03SPeter Wemmoptions 	IBCS2
265326086a03SPeter Wemm
265426086a03SPeter Wemm# Emulate spx device for client side of SVR3 local X interface
265526086a03SPeter Wemmoptions 	SPX_HACK
265626086a03SPeter Wemm
265726086a03SPeter Wemm# Enable Linux ABI emulation
265826086a03SPeter Wemmoptions 	COMPAT_LINUX
265926086a03SPeter Wemm
266052ebde4fSDag-Erling Smørgrav# Enable the linux-like proc filesystem support (requires COMPAT_LINUX
266152ebde4fSDag-Erling Smørgrav# and PSEUDOFS)
26625a44842bSMark Murrayoptions 	LINPROCFS
26635a44842bSMark Murray
266426086a03SPeter Wemm# Linux debugging
266526086a03SPeter Wemmoptions 	DEBUG_LINUX
266626086a03SPeter Wemm
26676e2972b8SMark Newton#
26686e2972b8SMark Newton# SysVR4 ABI emulation
26696e2972b8SMark Newton#
26706e2972b8SMark Newton# The svr4 ABI emulator can be statically compiled into the kernel or loaded as
26716e2972b8SMark Newton# a KLD module.
26726e2972b8SMark Newton# The STREAMS network emulation code can also be compiled statically or as a
26736e2972b8SMark Newton# module.  If loaded as a module, it must be loaded before the svr4 module
26746e2972b8SMark Newton# (the /usr/sbin/svr4 script does this for you).  If compiling statically,
2675f71c01ccSPeter Wemm# the `streams' device must be configured into any kernel which also
26766e2972b8SMark Newton# specifies COMPAT_SVR4.  It is possible to have a statically-configured
26776e2972b8SMark Newton# STREAMS device and a dynamically loadable svr4 emulator;  the /usr/sbin/svr4
26786e2972b8SMark Newton# script understands that it doesn't need to load the `streams' module under
26796e2972b8SMark Newton# those circumstances.
26806e2972b8SMark Newton# Caveat:  At this time, `options KTRACE' is required for the svr4 emulator
26816e2972b8SMark Newton# (whether static or dynamic).
26826e2972b8SMark Newton#
26836e2972b8SMark Newtonoptions		COMPAT_SVR4	# build emulator statically
26846e2972b8SMark Newtonoptions		DEBUG_SVR4	# enable verbose debugging
2685f71c01ccSPeter Wemmdevice		streams		# STREAMS network driver (required for svr4).
26866e2972b8SMark Newton
268726086a03SPeter Wemm
268826086a03SPeter Wemm#####################################################################
26891d33cf3dSNick Hibma# USB support
26901d33cf3dSNick Hibma# UHCI controller
2691c9953c3bSPeter Wemmdevice		uhci
26921d33cf3dSNick Hibma# OHCI controller
2693c9953c3bSPeter Wemmdevice		ohci
26941d33cf3dSNick Hibma# General USB code (mandatory for USB)
2695c9953c3bSPeter Wemmdevice		usb
26961d33cf3dSNick Hibma#
2697b5ea1f0cSNick Hibma# USB Double Bulk Pipe devices
2698b5ea1f0cSNick Hibmadevice		udbp
2699f26c33d2SNick Hibma# Generic USB device driver
2700c9953c3bSPeter Wemmdevice		ugen
2701f26c33d2SNick Hibma# Human Interface Device (anything with buttons and dials)
2702c9953c3bSPeter Wemmdevice		uhid
27031d33cf3dSNick Hibma# USB keyboard
2704c9953c3bSPeter Wemmdevice		ukbd
27051d33cf3dSNick Hibma# USB printer
2706c9953c3bSPeter Wemmdevice		ulpt
27076521db35SKris Kennaway# USB Iomega Zip 100 Drive (Requires scbus and da)
2708c9953c3bSPeter Wemmdevice		umass
2709e9fb12d3SNick Hibma# USB modem support
2710e9fb12d3SNick Hibmadevice		umodem
2711f26c33d2SNick Hibma# USB mouse
2712c9953c3bSPeter Wemmdevice		ums
2713e2dbd15fSNick Hibma# Diamond Rio 500 Mp3 player
2714e2dbd15fSNick Hibmadevice		urio
27152fd84f56SNick Hibma# USB scanners
27162fd84f56SNick Hibmadevice		uscanner
2717f26c33d2SNick Hibma#
2718ed63a7aaSBill Paul# ADMtek USB ethernet. Supports the LinkSys USB100TX,
2719d04bb221SBill Paul# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX
2720d04bb221SBill Paul# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus
2721d04bb221SBill Paul# eval board.
2722c9953c3bSPeter Wemmdevice		aue
2723dfd1e98eSBill Paul#
272401779872SBill Paul# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate
272501779872SBill Paul# and Netmate II, and the Belkin F5U111.
2726c9953c3bSPeter Wemmdevice		cue
272701779872SBill Paul#
2728dfd1e98eSBill Paul# Kawasaki LSI ethernet. Supports the LinkSys USB10T,
2729d04bb221SBill Paul# Entrega USB-NET-E45, Peracom Ethernet Adapter, the
2730d04bb221SBill Paul# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T,
273101779872SBill Paul# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB
273201779872SBill Paul# and 2104USB, and the Corega USB-T.
2733c9953c3bSPeter Wemmdevice		kue
2734f26c33d2SNick Hibma
2735f26c33d2SNick Hibma# debugging options for the USB subsystem
27361d33cf3dSNick Hibma#
27377dc1a5bdSNick Hibmaoptions 	UHCI_DEBUG
27387dc1a5bdSNick Hibmaoptions 	OHCI_DEBUG
27391d33cf3dSNick Hibmaoptions 	USB_DEBUG
2740f26c33d2SNick Hibma
27417dc1a5bdSNick Hibmaoptions 	UGEN_DEBUG
2742f26c33d2SNick Hibmaoptions 	UHID_DEBUG
2743f26c33d2SNick Hibmaoptions 	UHUB_DEBUG
2744f26c33d2SNick Hibmaoptions 	UKBD_DEBUG
27457dc1a5bdSNick Hibmaoptions 	ULPT_DEBUG
2746f26c33d2SNick Hibmaoptions 	UMASS_DEBUG
2747f26c33d2SNick Hibmaoptions 	UMS_DEBUG
2748e2dbd15fSNick Hibmaoptions 	URIO_DEBUG
2749f26c33d2SNick Hibma
27506e8394b8SKazutaka YOKOTA# options for ukbd:
27516e8394b8SKazutaka YOKOTAoptions 	UKBD_DFLT_KEYMAP	# specify the built-in keymap
2752cc6c2ad0SPeter Wemmmakeoptions	UKBD_DFLT_KEYMAP=it.iso
27536e8394b8SKazutaka YOKOTA
2754785d2100SJohn Birrell#
2755785d2100SJohn Birrell# Embedded system options:
2756785d2100SJohn Birrell#
2757785d2100SJohn Birrell# An embedded system might want to run something other than init.
27588a13a924SJohn Birrelloptions 	INIT_PATH="/sbin/init:/stand/sysinstall"
2759bc0e3a03SJeroen Ruigrok van der Werven
2760bc0e3a03SJeroen Ruigrok van der Werven# Debug options
2761bc0e3a03SJeroen Ruigrok van der Wervenoptions 	BUS_DEBUG	# enable newbus debugging
2762bc0e3a03SJeroen Ruigrok van der Wervenoptions 	DEBUG_VFS_LOCKS	# enable vfs lock debugging
2763bc0e3a03SJeroen Ruigrok van der Wervenoptions 	NPX_DEBUG	# enable npx debugging (FPU/math emu)
2764bc0e3a03SJeroen Ruigrok van der Werven
2765446af86dSJohn Baldwin#####################################################################
2766446af86dSJohn Baldwin# SYSV IPC KERNEL PARAMETERS
2767446af86dSJohn Baldwin#
2768446af86dSJohn Baldwin# Maximum number of entries in a semaphore map.
2769446af86dSJohn Baldwinoptions 	SEMMAP=31
2770446af86dSJohn Baldwin
2771446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used on the system at
2772446af86dSJohn Baldwin# one time.
2773446af86dSJohn Baldwinoptions 	SEMMNI=11
2774446af86dSJohn Baldwin
2775446af86dSJohn Baldwin# Total number of semaphores system wide
2776446af86dSJohn Baldwinoptions 	SEMMNS=61
2777446af86dSJohn Baldwin
2778446af86dSJohn Baldwin# Total number of undo structures in system
2779446af86dSJohn Baldwinoptions 	SEMMNU=31
2780446af86dSJohn Baldwin
2781446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used by a single process
2782446af86dSJohn Baldwin# at one time.
2783446af86dSJohn Baldwinoptions 	SEMMSL=61
2784446af86dSJohn Baldwin
2785446af86dSJohn Baldwin# Maximum number of operations that can be outstanding on a single System V
2786446af86dSJohn Baldwin# semaphore at one time.
2787446af86dSJohn Baldwinoptions 	SEMOPM=101
2788446af86dSJohn Baldwin
2789446af86dSJohn Baldwin# Maximum number of undo operations that can be outstanding on a single
2790446af86dSJohn Baldwin# System V semaphore at one time.
2791446af86dSJohn Baldwinoptions 	SEMUME=11
2792446af86dSJohn Baldwin
2793446af86dSJohn Baldwin# Maximum number of shared memory pages system wide.
2794446af86dSJohn Baldwinoptions 	SHMALL=1025
2795446af86dSJohn Baldwin
2796446af86dSJohn Baldwin# Maximum size, in bytes, of a single System V shared memory region.
2797446af86dSJohn Baldwinoptions 	SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
2798446af86dSJohn Baldwinoptions 	SHMMAXPGS=1025
2799446af86dSJohn Baldwin
2800446af86dSJohn Baldwin# Minimum size, in bytes, of a single System V shared memory region.
2801446af86dSJohn Baldwinoptions 	SHMMIN=2
2802446af86dSJohn Baldwin
2803446af86dSJohn Baldwin# Maximum number of shared memory regions that can be used on the system
2804446af86dSJohn Baldwin# at one time.
2805446af86dSJohn Baldwinoptions 	SHMMNI=33
2806446af86dSJohn Baldwin
2807446af86dSJohn Baldwin# Maximum number of System V shared memory regions that can be attached to
2808446af86dSJohn Baldwin# a single process at one time.
2809446af86dSJohn Baldwinoptions 	SHMSEG=9
2810446af86dSJohn Baldwin
2811d9282887SDima Dorfman# Set the amount of time (in seconds) the system will wait before
2812d9282887SDima Dorfman# rebooting automatically when a kernel panic occurs.  If set to (-1),
2813d9282887SDima Dorfman# the system will wait indefinitely until a key is pressed on the
2814d9282887SDima Dorfman# console.
2815d9282887SDima Dorfmanoptions 	PANIC_REBOOT_WAIT_TIME=16
2816d9282887SDima Dorfman
2817446af86dSJohn Baldwin#####################################################################
2818446af86dSJohn Baldwin
2819bc0e3a03SJeroen Ruigrok van der Werven# More undocumented options for linting.
2820bc0e3a03SJeroen Ruigrok van der Werven# Note that documenting these are not considered an affront.
2821bc0e3a03SJeroen Ruigrok van der Werven
2822bc0e3a03SJeroen Ruigrok van der Wervenoptions 	CAM_DEBUG_DELAY
282328d7984fSJeroen Ruigrok van der Werven
282428d7984fSJeroen Ruigrok van der Werven# VFS cluster debugging.
2825bc0e3a03SJeroen Ruigrok van der Wervenoptions 	CLUSTERDEBUG
282628d7984fSJeroen Ruigrok van der Werven
282728d7984fSJeroen Ruigrok van der Werven# Eliminate unneeded cache flush instruction(s).
2828bc0e3a03SJeroen Ruigrok van der Wervenoptions 	CPU_UPGRADE_HW_CACHE
282928d7984fSJeroen Ruigrok van der Werven
2830bc0e3a03SJeroen Ruigrok van der Wervenoptions 	DEBUG
28318b6f5e65SJeroen Ruigrok van der Werven
2832bffb191eSTakanori Watanabe# PECOFF module (Win32 Execution Format)
2833bffb191eSTakanori Watanabeoptions		PECOFF_SUPPORT
2834bffb191eSTakanori Watanabeoptions		PECOFF_DEBUG
28358b6f5e65SJeroen Ruigrok van der Werven
2836a88d714cSJeroen Ruigrok van der Werven# Disable the 4 MByte PSE CPU feature.
2837bc0e3a03SJeroen Ruigrok van der Werven#options 	DISABLE_PSE
28388b6f5e65SJeroen Ruigrok van der Werven
2839bc0e3a03SJeroen Ruigrok van der Wervenoptions 	ENABLE_ALART
2840bc0e3a03SJeroen Ruigrok van der Wervenoptions 	I4B_SMP_WORKAROUND
2841bc0e3a03SJeroen Ruigrok van der Wervenoptions 	I586_PMC_GUPROF=0x70000
2842bc0e3a03SJeroen Ruigrok van der Wervenoptions 	KBDIO_DEBUG=2
2843bc0e3a03SJeroen Ruigrok van der Wervenoptions 	KBD_MAXRETRY=4
2844bc0e3a03SJeroen Ruigrok van der Wervenoptions 	KBD_MAXWAIT=6
2845bc0e3a03SJeroen Ruigrok van der Wervenoptions 	KBD_RESETDELAY=201
2846edd5302dSJeroen Ruigrok van der Werven
2847edd5302dSJeroen Ruigrok van der Werven# Enable the PF_KEY Key Management API.
2848bc0e3a03SJeroen Ruigrok van der Wervenoptions 	KEY
284928d7984fSJeroen Ruigrok van der Werven
285028d7984fSJeroen Ruigrok van der Werven# Kernel filelock debugging.
2851bc0e3a03SJeroen Ruigrok van der Wervenoptions 	LOCKF_DEBUG
285228d7984fSJeroen Ruigrok van der Werven
28538b6f5e65SJeroen Ruigrok van der Werven# System V compatible message queues
28548b6f5e65SJeroen Ruigrok van der Werven# Please note that the values provided here are used to test kernel
28558b6f5e65SJeroen Ruigrok van der Werven# building.  The defaults in the sources provide almost the same numbers.
28568b6f5e65SJeroen Ruigrok van der Werven# MSGSSZ must be a power of 2 between 8 and 1024.
28578b6f5e65SJeroen Ruigrok van der Wervenoptions 	MSGMNB=2049	# Max number of chars in queue
28588b6f5e65SJeroen Ruigrok van der Wervenoptions 	MSGMNI=41	# Max number of message queue identifiers
28598b6f5e65SJeroen Ruigrok van der Wervenoptions 	MSGSEG=2049	# Max number of message segments
28608b6f5e65SJeroen Ruigrok van der Wervenoptions 	MSGSSZ=16	# Size of a message segment
28618b6f5e65SJeroen Ruigrok van der Wervenoptions 	MSGTQL=41	# Max number of messages in system
28628b6f5e65SJeroen Ruigrok van der Werven
28638b6f5e65SJeroen Ruigrok van der Wervenoptions 	NBUF=512	# Number of buffer headers
28648b6f5e65SJeroen Ruigrok van der Werven
28658b6f5e65SJeroen Ruigrok van der Wervenoptions 	NMBCLUSTERS=1024	# Number of mbuf clusters
28668b6f5e65SJeroen Ruigrok van der Werven
2867bc0e3a03SJeroen Ruigrok van der Wervenoptions 	PSM_DEBUG=1
28688b6f5e65SJeroen Ruigrok van der Werven
2869bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SCSI_NCR_DEBUG
2870bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SCSI_NCR_MAX_SYNC=10000
2871bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SCSI_NCR_MAX_WIDE=1
2872bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SCSI_NCR_MYADDR=7
28738b6f5e65SJeroen Ruigrok van der Werven
28748b6f5e65SJeroen Ruigrok van der Wervenoptions 	SC_DEBUG_LEVEL=5	# Syscons debug level
28758b6f5e65SJeroen Ruigrok van der Wervenoptions 	SC_RENDER_DEBUG	# syscons rendering debugging
28768b6f5e65SJeroen Ruigrok van der Werven
2877bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SHOW_BUSYBUFS	# List buffers that prevent root unmount
2878bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SIMPLELOCK_DEBUG
2879bc0e3a03SJeroen Ruigrok van der Wervenoptions 	SLIP_IFF_OPTS
2880bc0e3a03SJeroen Ruigrok van der Wervenoptions 	TIMER_FREQ="((14318182+6)/12)"
28818b6f5e65SJeroen Ruigrok van der Wervenoptions 	VFS_BIO_DEBUG	# VFS buffer I/O debugging
28828b6f5e65SJeroen Ruigrok van der Werven
2883bc0e3a03SJeroen Ruigrok van der Wervenoptions 	VM_KMEM_SIZE
2884bc0e3a03SJeroen Ruigrok van der Wervenoptions 	VM_KMEM_SIZE_MAX
2885bc0e3a03SJeroen Ruigrok van der Wervenoptions 	VM_KMEM_SIZE_SCALE
2886