11519d15cSJohn Baldwin# $FreeBSD$ 22365e64fSRodney W. Grimes# 319dde963SPeter Wemm# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 4f71c01ccSPeter Wemm# 5f71c01ccSPeter Wemm# Lines that begin with 'device', 'options', 'machine', 'ident', 'maxusers', 61519d15cSJohn Baldwin# 'makeoptions', 'hints', etc. go into the kernel configuration that you 7f71c01ccSPeter Wemm# run config(8) with. 8f71c01ccSPeter Wemm# 9b147fcf9SBruce Evans# Lines that begin with 'hint.' are NOT for config(8), they go into your 10f71c01ccSPeter Wemm# hints file. See /boot/device.hints and/or the 'hints' config(8) directive. 112365e64fSRodney W. Grimes# 125d4850e7SAlexander Langer# Please use ``make LINT'' to create an old-style LINT file if you want to 135d4850e7SAlexander Langer# do kernel test-builds. 145d4850e7SAlexander Langer# 15dd267672SJohn Baldwin# This file contains machine independent kernel configuration notes. For 16dd267672SJohn Baldwin# machine dependent notes, look in /sys/<arch>/conf/NOTES. 17dd267672SJohn Baldwin# 181519d15cSJohn Baldwin 191519d15cSJohn Baldwin# 201519d15cSJohn Baldwin# NOTES conventions and style guide: 211519d15cSJohn Baldwin# 221519d15cSJohn Baldwin# Large block comments should begin and end with a line containing only a 231519d15cSJohn Baldwin# comment character. 241519d15cSJohn Baldwin# 251519d15cSJohn Baldwin# To describe a particular object, a block comment (if it exists) should 261519d15cSJohn Baldwin# come first. Next should come device, options, and hints lines in that 271519d15cSJohn Baldwin# order. All device and option lines must be described by a comment that 281519d15cSJohn Baldwin# doesn't just expand the device or option name. Use only a concise 291519d15cSJohn Baldwin# comment on the same line if possible. Very detailed descriptions of 301519d15cSJohn Baldwin# devices and subsystems belong in man pages. 311519d15cSJohn Baldwin# 32eb4f7a81SNate Lawson# A space followed by a tab separates 'options' from an option name. Two 331519d15cSJohn Baldwin# spaces followed by a tab separate 'device' from a device name. Comments 341519d15cSJohn Baldwin# after an option or device should use one space after the comment character. 351519d15cSJohn Baldwin# To comment out a negative option that disables code and thus should not be 36eb4f7a81SNate Lawson# enabled for LINT builds, precede 'options' with "#!". 372365e64fSRodney W. Grimes# 382365e64fSRodney W. Grimes 396a8d6623SGarrett Wollman# 406a8d6623SGarrett Wollman# This is the ``identification'' of the kernel. Usually this should 416a8d6623SGarrett Wollman# be the same as the name of your kernel. 426a8d6623SGarrett Wollman# 436a8d6623SGarrett Wollmanident LINT 446a8d6623SGarrett Wollman 456a8d6623SGarrett Wollman# 466a8d6623SGarrett Wollman# The `maxusers' parameter controls the static sizing of a number of 47ab0f83bdSRuslan Ermilov# internal system tables by a formula defined in subr_param.c. 48ab0f83bdSRuslan Ermilov# Omitting this parameter or setting it to 0 will cause the system to 49ab0f83bdSRuslan Ermilov# auto-size based on physical memory. 506a8d6623SGarrett Wollman# 516a8d6623SGarrett Wollmanmaxusers 10 526a8d6623SGarrett Wollman 5313c18821SJohn Baldwin# To statically compile in device wiring instead of /boot/device.hints 5413c18821SJohn Baldwin#hints "LINT.hints" # Default places to look for devices. 5513c18821SJohn Baldwin 5613c18821SJohn Baldwin# Use the following to compile in values accessible to the kernel 5713c18821SJohn Baldwin# through getenv() (or kenv(1) in userland). The format of the file 5813c18821SJohn Baldwin# is 'variable=value', see kenv(1) 5913c18821SJohn Baldwin# 6013c18821SJohn Baldwin#env "LINT.env" 6113c18821SJohn Baldwin 626a8d6623SGarrett Wollman# 637bf01a14SPeter Wemm# The `makeoptions' parameter allows variables to be passed to the 64503e6666SBruce Evans# generated Makefile in the build area. 65503e6666SBruce Evans# 66503e6666SBruce Evans# CONF_CFLAGS gives some extra compiler flags that are added to ${CFLAGS} 67503e6666SBruce Evans# after most other flags. Here we use it to inhibit use of non-optimal 681c9c6382SRuslan Ermilov# gcc built-in functions (e.g., memcmp). 69503e6666SBruce Evans# 70503e6666SBruce Evans# DEBUG happens to be magic. 717bf01a14SPeter Wemm# The following is equivalent to 'config -g KERNELNAME' and creates 727bf01a14SPeter Wemm# 'kernel.debug' compiled with -g debugging as well as a normal 737bf01a14SPeter Wemm# 'kernel'. Use 'make install.debug' to install the debug kernel 747bf01a14SPeter Wemm# but that isn't normally necessary as the debug symbols are not loaded 757bf01a14SPeter Wemm# by the kernel and are not useful there anyway. 767bf01a14SPeter Wemm# 772c8635c6SPeter Wemm# KERNEL can be overridden so that you can change the default name of your 782c8635c6SPeter Wemm# kernel. 792c8635c6SPeter Wemm# 800e3d06b1SWarner Losh# MODULES_OVERRIDE can be used to limit modules built to a specific list. 810e3d06b1SWarner Losh# 82503e6666SBruce Evansmakeoptions CONF_CFLAGS=-fno-builtin #Don't allow use of memcmp, etc. 835895e3c8SPeter Wemm#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols 842c8635c6SPeter Wemm#makeoptions KERNEL=foo #Build kernel "foo" and install "/foo" 85f4eb4717SAlexander Leidinger# Only build ext2fs module plus those parts of the sound system I need. 86f4eb4717SAlexander Leidinger#makeoptions MODULES_OVERRIDE="ext2fs sound/sound sound/driver/maestro3" 87fa75a3c2SPoul-Henning Kampmakeoptions DESTDIR=/tmp 88fa75a3c2SPoul-Henning Kamp 893236b30eSGreg Lehey# 90480c6b8aSGreg Lehey# FreeBSD processes are subject to certain limits to their consumption 91480c6b8aSGreg Lehey# of system resources. See getrlimit(2) for more details. Each 92480c6b8aSGreg Lehey# resource limit has two values, a "soft" limit and a "hard" limit. 93480c6b8aSGreg Lehey# The soft limits can be modified during normal system operation, but 94480c6b8aSGreg Lehey# the hard limits are set at boot time. Their default values are 95480c6b8aSGreg Lehey# in sys/<arch>/include/vmparam.h. There are two ways to change them: 96480c6b8aSGreg Lehey# 97480c6b8aSGreg Lehey# 1. Set the values at kernel build time. The options below are one 98480c6b8aSGreg Lehey# way to allow that limit to grow to 1GB. They can be increased 99480c6b8aSGreg Lehey# further by changing the parameters: 1003236b30eSGreg Lehey# 101480c6b8aSGreg Lehey# 2. In /boot/loader.conf, set the tunables kern.maxswzone, 102480c6b8aSGreg Lehey# kern.maxbcache, kern.maxtsiz, kern.dfldsiz, kern.maxdsiz, 103480c6b8aSGreg Lehey# kern.dflssiz, kern.maxssiz and kern.sgrowsiz. 104a59d364aSMatthew Dillon# 105480c6b8aSGreg Lehey# The options in /boot/loader.conf override anything in the kernel 106480c6b8aSGreg Lehey# configuration file. See the function init_param1 in 107480c6b8aSGreg Lehey# sys/kern/subr_param.c for more details. 1083236b30eSGreg Lehey# 109480c6b8aSGreg Lehey 1103236b30eSGreg Leheyoptions MAXDSIZ=(1024UL*1024*1024) 1113236b30eSGreg Leheyoptions MAXSSIZ=(128UL*1024*1024) 1123236b30eSGreg Leheyoptions DFLDSIZ=(1024UL*1024*1024) 1133236b30eSGreg Lehey 1143236b30eSGreg Lehey# 115a59d364aSMatthew Dillon# BLKDEV_IOSIZE sets the default block size used in user block 1163c7c6c12SMike Pritchard# device I/O. Note that this value will be overridden by the label 117a59d364aSMatthew Dillon# when specifying a block device from a label with a non-0 1188b22cebbSMatthew Dillon# partition blocksize. The default is PAGE_SIZE. 119a59d364aSMatthew Dillon# 120a59d364aSMatthew Dillonoptions BLKDEV_IOSIZE=8192 121a59d364aSMatthew Dillon 122f9fbd1a4SMatt Jacob# 123f9fbd1a4SMatt Jacob# MAXPHYS and DFLTPHYS 124f9fbd1a4SMatt Jacob# 12550a8df3cSAlexander Motin# These are the maximal and safe 'raw' I/O block device access sizes. 12650a8df3cSAlexander Motin# Reads and writes will be split into MAXPHYS chunks for known good 12750a8df3cSAlexander Motin# devices and DFLTPHYS for the rest. Some applications have better 12850a8df3cSAlexander Motin# performance with larger raw I/O access sizes. Note that certain VM 129f9fbd1a4SMatt Jacob# parameters are derived from these values and making them too large 130af52cb44SSergey Kandaurov# can make an unbootable kernel. 131f9fbd1a4SMatt Jacob# 132f9fbd1a4SMatt Jacob# The defaults are 64K and 128K respectively. 133f9fbd1a4SMatt Jacoboptions DFLTPHYS=(64*1024) 134f9fbd1a4SMatt Jacoboptions MAXPHYS=(128*1024) 135f9fbd1a4SMatt Jacob 136f9fbd1a4SMatt Jacob 137827d623eSJordan K. Hubbard# This allows you to actually store this configuration file into 138272afb65SWojciech A. Koszek# the kernel binary itself. See config(8) for more details. 139827d623eSJordan K. Hubbard# 140827d623eSJordan K. Hubbardoptions INCLUDE_CONFIG_FILE # Include this file in kernel 141827d623eSJordan K. Hubbard 14256fddc5dSBrooks Davis# 14356fddc5dSBrooks Davis# Compile-time defaults for various boot parameters 14456fddc5dSBrooks Davis# 14556fddc5dSBrooks Davisoptions BOOTVERBOSE=1 14656fddc5dSBrooks Davisoptions BOOTHOWTO=RB_MULTIPLE 14756fddc5dSBrooks Davis 1482a4650ccSKyle Evans# 1492a4650ccSKyle Evans# Compile-time defaults for dmesg boot tagging 1502a4650ccSKyle Evans# 1512a4650ccSKyle Evans# Default boot tag; may use 'kern.boot_tag' loader tunable to override. The 1522a4650ccSKyle Evans# current boot's tag is also exposed via the 'kern.boot_tag' sysctl. 15345916554SKyle Evansoptions BOOT_TAG=\"\" 1542a4650ccSKyle Evans# Maximum boot tag size the kernel's static buffer should accomodate. Maximum 1552a4650ccSKyle Evans# size for both BOOT_TAG and the assocated tunable. 1562a4650ccSKyle Evansoptions BOOT_TAG_SZ=32 1572a4650ccSKyle Evans 158069accaaSPoul-Henning Kampoptions GEOM_BDE # Disk encryption. 15920995eabSWarner Loshoptions GEOM_BSD # BSD disklabels (obsolete, gone in 12) 1605d9f25dcSRuslan Ermilovoptions GEOM_CACHE # Disk cache. 1617226443dSPawel Jakub Dawidekoptions GEOM_CONCAT # Disk concatenation. 1625ca1fcfeSPawel Jakub Dawidekoptions GEOM_ELI # Disk encryption. 16320995eabSWarner Loshoptions GEOM_FOX # Redundant path mitigation (obsolete, gone in 12) 1647226443dSPawel Jakub Dawidekoptions GEOM_GATE # Userland services. 165f348204cSPawel Jakub Dawidekoptions GEOM_JOURNAL # Journaling. 166e1237b28SPawel Jakub Dawidekoptions GEOM_LABEL # Providers labelization. 1671669d8afSAndrew Thompsonoptions GEOM_LINUX_LVM # Linux LVM2 volumes 168fcdb1ffcSAndrey V. Elsukovoptions GEOM_MAP # Map based partitioning 16920995eabSWarner Loshoptions GEOM_MBR # DOS/MBR partitioning (obsolete, gone in 12) 1708a8fbacaSPawel Jakub Dawidekoptions GEOM_MIRROR # Disk mirroring. 171e770bc6bSMatt Jacoboptions GEOM_MULTIPATH # Disk multipath 1727dc92b13SPawel Jakub Dawidekoptions GEOM_NOP # Test class. 1731d3aed33SMarcel Moolenaaroptions GEOM_PART_APM # Apple partitioning 1745aaa8fefSMarcel Moolenaaroptions GEOM_PART_BSD # BSD disklabel 175d68d0cf5SAndrey V. Elsukovoptions GEOM_PART_BSD64 # BSD disklabel64 17691e1be8bSMarcel Moolenaaroptions GEOM_PART_EBR # Extended Boot Records 1776ad9a99fSMarcel Moolenaaroptions GEOM_PART_EBR_COMPAT # Backward compatible partition names 1781d3aed33SMarcel Moolenaaroptions GEOM_PART_GPT # GPT partitioning 179e800e2e1SAndrey V. Elsukovoptions GEOM_PART_LDM # Logical Disk Manager 1806bc50445SMarcel Moolenaaroptions GEOM_PART_MBR # MBR partitioning 18110020e9dSMarcel Moolenaaroptions GEOM_PART_VTOC8 # SMI VTOC8 disk label 18289b17223SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 183e81856c3SPawel Jakub Dawidekoptions GEOM_RAID3 # RAID3 functionality. 184560cb857SPawel Jakub Dawidekoptions GEOM_SHSEC # Shared secret. 1857dc92b13SPawel Jakub Dawidekoptions GEOM_STRIPE # Disk striping. 18620995eabSWarner Loshoptions GEOM_SUNLABEL # Sun/Solaris partitioning (obsolete, gone in 12) 18775261008SMax Khonoptions GEOM_UZIP # Read-only compressed disks 18802e17f0bSMarius Strobloptions GEOM_VINUM # Vinum logical volume manager 189f854db0bSPawel Jakub Dawidekoptions GEOM_VIRSTOR # Virtual storage. 19020995eabSWarner Loshoptions GEOM_VOL # Volume names from UFS superblock (obsolete, gone in 12) 1911c9c6382SRuslan Ermilovoptions GEOM_ZERO # Performance testing helper. 1927b03a440SPoul-Henning Kamp 1938b140d57SMike Smith# 1948b140d57SMike Smith# The root device and filesystem type can be compiled in; 1958b140d57SMike Smith# this provides a fallback option if the root device cannot 1963b6c640cSCrist J. Clark# be correctly guessed by the bootstrap code, or an override if 1978b140d57SMike Smith# the RB_DFLTROOT flag (-r) is specified when booting the kernel. 1988b140d57SMike Smith# 1998b140d57SMike Smithoptions ROOTDEVNAME=\"ufs:da0s2e\" 2008b140d57SMike Smith 2016a8d6623SGarrett Wollman 2026a8d6623SGarrett Wollman##################################################################### 203f5d05ac3SJeff Roberson# Scheduler options: 204f5d05ac3SJeff Roberson# 205a61617edSGiorgos Keramidas# Specifying one of SCHED_4BSD or SCHED_ULE is mandatory. These options 206f5d05ac3SJeff Roberson# select which scheduler is compiled in. 207f5d05ac3SJeff Roberson# 208f5d05ac3SJeff Roberson# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run 2091c9c6382SRuslan Ermilov# queue and no CPU affinity which makes it suboptimal for SMP. It has very 210f5d05ac3SJeff Roberson# good interactivity and priority selection. 211f5d05ac3SJeff Roberson# 212bd675f58SJeff Roberson# SCHED_ULE provides significant performance advantages over 4BSD on many 213bd675f58SJeff Roberson# workloads on SMP machines. It supports cpu-affinity, per-cpu runqueues 214bd675f58SJeff Roberson# and scheduler locks. It also has a stronger notion of interactivity 215bd675f58SJeff Roberson# which leads to better responsiveness even on uniprocessor machines. This 2169c0ef6d5SOliver Fromme# is the default scheduler. 217f5d05ac3SJeff Roberson# 21875a66a92SJeff Roberson# SCHED_STATS is a debugging option which keeps some stats in the sysctl 21975a66a92SJeff Roberson# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions. 22075a66a92SJeff Roberson# 221b998bd92SJeff Robersonoptions SCHED_4BSD 22275a66a92SJeff Robersonoptions SCHED_STATS 223b998bd92SJeff Roberson#options SCHED_ULE 224f5d05ac3SJeff Roberson 225f5d05ac3SJeff Roberson##################################################################### 226477a642cSPeter Wemm# SMP OPTIONS: 227477a642cSPeter Wemm# 228477a642cSPeter Wemm# SMP enables building of a Symmetric MultiProcessor Kernel. 229477a642cSPeter Wemm 230477a642cSPeter Wemm# Mandatory: 231477a642cSPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 232477a642cSPeter Wemm 233fdce57a0SJohn Baldwin# EARLY_AP_STARTUP releases the Application Processors earlier in the 234fdce57a0SJohn Baldwin# kernel startup process (before devices are probed) rather than at the 235fdce57a0SJohn Baldwin# end. This is a temporary option for use during the transition from 236fdce57a0SJohn Baldwin# late to early AP startup. 237fdce57a0SJohn Baldwinoptions EARLY_AP_STARTUP 238fdce57a0SJohn Baldwin 23968b739cdSAttilio Rao# MAXCPU defines the maximum number of CPUs that can boot in the system. 24068b739cdSAttilio Rao# A default value should be already present, for every architecture. 24168b739cdSAttilio Raooptions MAXCPU=32 24268b739cdSAttilio Rao 243b6715dabSJeff Roberson# NUMA enables use of Non-Uniform Memory Access policies in various kernel 244b6715dabSJeff Roberson# subsystems. 245b6715dabSJeff Robersonoptions NUMA 246b6715dabSJeff Roberson 247941646f5SAttilio Rao# MAXMEMDOM defines the maximum number of memory domains that can boot in the 248941646f5SAttilio Rao# system. A default value should already be defined by every architecture. 24962d70a81SJohn Baldwinoptions MAXMEMDOM=2 25062d70a81SJohn Baldwin 2512498cf8cSJohn Baldwin# ADAPTIVE_MUTEXES changes the behavior of blocking mutexes to spin 2522498cf8cSJohn Baldwin# if the thread that currently owns the mutex is executing on another 253d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 254701f1408SScott Long# to disable it. 255701f1408SScott Longoptions NO_ADAPTIVE_MUTEXES 2562498cf8cSJohn Baldwin 257cd6e6e4eSJohn Baldwin# ADAPTIVE_RWLOCKS changes the behavior of reader/writer locks to spin 258cd6e6e4eSJohn Baldwin# if the thread that currently owns the rwlock is executing on another 259d51e8487SJosh Paetzel# CPU. This behavior is enabled by default, so this option can be used 260cd6e6e4eSJohn Baldwin# to disable it. 261cd6e6e4eSJohn Baldwinoptions NO_ADAPTIVE_RWLOCKS 262cd6e6e4eSJohn Baldwin 2631ae1c2a3SAttilio Rao# ADAPTIVE_SX changes the behavior of sx locks to spin if the thread that 2641ae1c2a3SAttilio Rao# currently owns the sx lock is executing on another CPU. 265d51e8487SJosh Paetzel# This behavior is enabled by default, so this option can be used to 2661ae1c2a3SAttilio Rao# disable it. 2671ae1c2a3SAttilio Raooptions NO_ADAPTIVE_SX 2684e7f640dSJohn Baldwin 269ad27c4c7SJohn Baldwin# MUTEX_NOINLINE forces mutex operations to call functions to perform each 270ad27c4c7SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 271ad27c4c7SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 272cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 273ad27c4c7SJohn Baldwin# and WITNESS options. 274ad27c4c7SJohn Baldwinoptions MUTEX_NOINLINE 275ad27c4c7SJohn Baldwin 2761a5d9b15SJohn Baldwin# RWLOCK_NOINLINE forces rwlock operations to call functions to perform each 2771a5d9b15SJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2781a5d9b15SJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 279cf31ff26SRuslan Ermilov# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2801a5d9b15SJohn Baldwin# and WITNESS options. 2811a5d9b15SJohn Baldwinoptions RWLOCK_NOINLINE 2821a5d9b15SJohn Baldwin 2834e7f640dSJohn Baldwin# SX_NOINLINE forces sx lock operations to call functions to perform each 2844e7f640dSJohn Baldwin# operation rather than inlining the simple cases. This can be used to 2854e7f640dSJohn Baldwin# shrink the size of the kernel text segment. Note that this behavior is 2864e7f640dSJohn Baldwin# already implied by the INVARIANT_SUPPORT, INVARIANTS, KTR, LOCK_PROFILING, 2874e7f640dSJohn Baldwin# and WITNESS options. 2884e7f640dSJohn Baldwinoptions SX_NOINLINE 2894e7f640dSJohn Baldwin 2901fe4c660SJohn Baldwin# SMP Debugging Options: 2911fe4c660SJohn Baldwin# 2925b999a6bSDavide Italiano# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data 2935b999a6bSDavide Italiano# structure used as backend in callout(9). 2945e21b51bSDavid E. O'Brien# PREEMPTION allows the threads that are in the kernel to be preempted by 2955e21b51bSDavid E. O'Brien# higher priority [interrupt] threads. It helps with interactivity 2965e21b51bSDavid E. O'Brien# and allows interrupt threads to run sooner rather than waiting. 29767ab9fd7SJohn Baldwin# WARNING! Only tested on amd64 and i386. 2980c0b25aeSJohn Baldwin# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel 2998c5923d9SCeri Davies# threads. Its sole use is to expose race conditions and other 3000c0b25aeSJohn Baldwin# bugs during development. Enabling this option will reduce 3010c0b25aeSJohn Baldwin# performance and increase the frequency of kernel panics by 3020c0b25aeSJohn Baldwin# design. If you aren't sure that you need it then you don't. 3039923b511SScott Long# Relies on the PREEMPTION option. DON'T TURN THIS ON. 304ef0ebfc3SJohn Baldwin# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table 30575a66a92SJeff Roberson# used to hold active sleep queues as well as sleep wait message 30675a66a92SJeff Roberson# frequency. 307ef0ebfc3SJohn Baldwin# TURNSTILE_PROFILING enables rudimentary profiling of the hash table 308ef0ebfc3SJohn Baldwin# used to hold active lock queues. 309c6111de5SDavide Italiano# UMTX_PROFILING enables rudimentary profiling of the hash table used 31027c8e6b8SGlen Barber# to hold active lock queues. 311aa4019efSRobert Watson# WITNESS enables the witness code which detects deadlocks and cycles 3121fe4c660SJohn Baldwin# during locking operations. 313e2ee2173SMarcel Moolenaar# WITNESS_KDB causes the witness code to drop into the kernel debugger if 3143c7c6c12SMike Pritchard# a lock hierarchy violation occurs or if locks are held when going to 315660d1e3aSJohn Baldwin# sleep. 316660d1e3aSJohn Baldwin# WITNESS_SKIPSPIN disables the witness checks on spin mutexes. 3179923b511SScott Longoptions PREEMPTION 3180c0b25aeSJohn Baldwinoptions FULL_PREEMPTION 3191fe4c660SJohn Baldwinoptions WITNESS 320e2ee2173SMarcel Moolenaaroptions WITNESS_KDB 321660d1e3aSJohn Baldwinoptions WITNESS_SKIPSPIN 3221fe4c660SJohn Baldwin 323cf31ff26SRuslan Ermilov# LOCK_PROFILING - Profiling locks. See LOCK_PROFILING(9) for details. 32407dba937SKip Macyoptions LOCK_PROFILING 32500096801SJohn-Mark Gurney# Set the number of buffers and the hash size. The hash size MUST be larger 32600096801SJohn-Mark Gurney# than the number of buffers. Hash size should be prime. 32700096801SJohn-Mark Gurneyoptions MPROF_BUFFERS="1536" 32800096801SJohn-Mark Gurneyoptions MPROF_HASH_SIZE="1543" 3294db0d7f1SDag-Erling Smørgrav 3305b999a6bSDavide Italiano# Profiling for the callout(9) backend. 3315b999a6bSDavide Italianooptions CALLOUT_PROFILING 3325b999a6bSDavide Italiano 333ef0ebfc3SJohn Baldwin# Profiling for internal hash tables. 334ef0ebfc3SJohn Baldwinoptions SLEEPQUEUE_PROFILING 335ef0ebfc3SJohn Baldwinoptions TURNSTILE_PROFILING 336c6111de5SDavide Italianooptions UMTX_PROFILING 337331805a5SDavide Italiano 338ef0ebfc3SJohn Baldwin 339477a642cSPeter Wemm##################################################################### 3406a8d6623SGarrett Wollman# COMPATIBILITY OPTIONS 341690f540cSAndrey A. Chernov 3426a8d6623SGarrett Wollman# 3436a8d6623SGarrett Wollman# Implement system calls compatible with 4.3BSD and older versions of 34456c7a48cSJordan K. Hubbard# FreeBSD. You probably do NOT want to remove this as much current code 3457bbf05a2SJuli Mallett# still relies on the 4.3 emulation. Note that some architectures that 3467bbf05a2SJuli Mallett# are supported by FreeBSD do not include support for certain important 3477bbf05a2SJuli Mallett# aspects of this compatibility option, namely those related to the 3487bbf05a2SJuli Mallett# signal delivery mechanism. 3496a8d6623SGarrett Wollman# 3505895e3c8SPeter Wemmoptions COMPAT_43 3516a8d6623SGarrett Wollman 352d3e64681SPoul-Henning Kamp# Old tty interface. 353d3e64681SPoul-Henning Kampoptions COMPAT_43TTY 354d3e64681SPoul-Henning Kamp 355f5e4c105SJohn Baldwin# Note that as a general rule, COMPAT_FREEBSD<n> depends on 356f5e4c105SJohn Baldwin# COMPAT_FREEBSD<n+1>, COMPAT_FREEBSD<n+2>, etc. 357f5e4c105SJohn Baldwin 358f0eb293eSAlfred Perlstein# Enable FreeBSD4 compatibility syscalls 359f0eb293eSAlfred Perlsteinoptions COMPAT_FREEBSD4 360f0eb293eSAlfred Perlstein 361a01b4125SKen Smith# Enable FreeBSD5 compatibility syscalls 362a01b4125SKen Smithoptions COMPAT_FREEBSD5 363a01b4125SKen Smith 3646c9fdda7SRuslan Ermilov# Enable FreeBSD6 compatibility syscalls 3656c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 3666c9fdda7SRuslan Ermilov 3675965c4b7SJohn Baldwin# Enable FreeBSD7 compatibility syscalls 3685965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 3695965c4b7SJohn Baldwin 3707d313e7bSJohn Baldwin# Enable FreeBSD9 compatibility syscalls 3717d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 3727d313e7bSJohn Baldwin 3737d313e7bSJohn Baldwin# Enable FreeBSD10 compatibility syscalls 3747d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 3757d313e7bSJohn Baldwin 3767f68a896SMark Johnston# Enable FreeBSD11 compatibility syscalls 3777f68a896SMark Johnstonoptions COMPAT_FREEBSD11 3787f68a896SMark Johnston 379d6745408SConrad Meyer# Enable FreeBSD12 compatibility syscalls 380d6745408SConrad Meyeroptions COMPAT_FREEBSD12 381d6745408SConrad Meyer 3828d59ecb2SHans Petter Selasky# Enable Linux Kernel Programming Interface 3838d59ecb2SHans Petter Selaskyoptions COMPAT_LINUXKPI 3848d59ecb2SHans Petter Selasky 3856a8d6623SGarrett Wollman# 3866a8d6623SGarrett Wollman# These three options provide support for System V Interface 3876a8d6623SGarrett Wollman# Definition-style interprocess communication, in the form of shared 3886a8d6623SGarrett Wollman# memory, semaphores, and message queues, respectively. 3896a8d6623SGarrett Wollman# 3906a8d6623SGarrett Wollmanoptions SYSVSHM 3916a8d6623SGarrett Wollmanoptions SYSVSEM 3926a8d6623SGarrett Wollmanoptions SYSVMSG 3936a8d6623SGarrett Wollman 3946a8d6623SGarrett Wollman 3956a8d6623SGarrett Wollman##################################################################### 3966a8d6623SGarrett Wollman# DEBUGGING OPTIONS 3976a8d6623SGarrett Wollman 3986a8d6623SGarrett Wollman# 399e2ee2173SMarcel Moolenaar# Compile with kernel debugger related code. 4006a8d6623SGarrett Wollman# 401e2ee2173SMarcel Moolenaaroptions KDB 402b5d89ca8SBruce Evans 403b5d89ca8SBruce Evans# 404e2ee2173SMarcel Moolenaar# Print a stack trace of the current thread on the console for a panic. 4057085e708SBruce Evans# 406e2ee2173SMarcel Moolenaaroptions KDB_TRACE 407e2ee2173SMarcel Moolenaar 408e2ee2173SMarcel Moolenaar# 409e2ee2173SMarcel Moolenaar# Don't enter the debugger for a panic. Intended for unattended operation 410e2ee2173SMarcel Moolenaar# where you may want to enter the debugger from the console, but still want 411e2ee2173SMarcel Moolenaar# the machine to recover from a panic. 412e2ee2173SMarcel Moolenaar# 413e2ee2173SMarcel Moolenaaroptions KDB_UNATTENDED 414e2ee2173SMarcel Moolenaar 415e2ee2173SMarcel Moolenaar# 416e2ee2173SMarcel Moolenaar# Enable the ddb debugger backend. 417e2ee2173SMarcel Moolenaar# 418e2ee2173SMarcel Moolenaaroptions DDB 4197085e708SBruce Evans 4207085e708SBruce Evans# 421bfdd261eSBruce Evans# Print the numerical value of symbols in addition to the symbolic 422bfdd261eSBruce Evans# representation. 423bfdd261eSBruce Evans# 424bfdd261eSBruce Evansoptions DDB_NUMSYM 425bfdd261eSBruce Evans 426bfdd261eSBruce Evans# 427e2ee2173SMarcel Moolenaar# Enable the remote gdb debugger backend. 4280be15decSJohn Baldwin# 429e2ee2173SMarcel Moolenaaroptions GDB 430562d05dfSPaul Traina 431562d05dfSPaul Traina# 432df970488SRobert Watson# SYSCTL_DEBUG enables a 'sysctl' debug tree that can be used to dump the 433df970488SRobert Watson# contents of the registered sysctl nodes on the console. It is disabled by 4341c9c6382SRuslan Ermilov# default because it generates excessively verbose console output that can 435df970488SRobert Watson# interfere with serial console operation. 436df970488SRobert Watson# 437df970488SRobert Watsonoptions SYSCTL_DEBUG 438df970488SRobert Watson 439df970488SRobert Watson# 44021d748a9SAlfred Perlstein# Enable textdump by default, this disables kernel core dumps. 44121d748a9SAlfred Perlstein# 44221d748a9SAlfred Perlsteinoptions TEXTDUMP_PREFERRED 44321d748a9SAlfred Perlstein 44421d748a9SAlfred Perlstein# 44521d748a9SAlfred Perlstein# Enable extra debug messages while performing textdumps. 44621d748a9SAlfred Perlstein# 44721d748a9SAlfred Perlsteinoptions TEXTDUMP_VERBOSE 44821d748a9SAlfred Perlstein 44921d748a9SAlfred Perlstein# 45031615ef7SRebecca Cran# NO_SYSCTL_DESCR omits the sysctl node descriptions to save space in the 45131615ef7SRebecca Cran# resulting kernel. 45231615ef7SRebecca Cranoptions NO_SYSCTL_DESCR 45331615ef7SRebecca Cran 45431615ef7SRebecca Cran# 455d7854da1SMatthew D Fleming# MALLOC_DEBUG_MAXZONES enables multiple uma zones for malloc(9) 456d7854da1SMatthew D Fleming# allocations that are smaller than a page. The purpose is to isolate 457d7854da1SMatthew D Fleming# different malloc types into hash classes, so that any buffer 458d7854da1SMatthew D Fleming# overruns or use-after-free will usually only affect memory from 459d7854da1SMatthew D Fleming# malloc types in that hash class. This is purely a debugging tool; 460d7854da1SMatthew D Fleming# by varying the hash function and tracking which hash class was 461d7854da1SMatthew D Fleming# corrupted, the intersection of the hash classes from each instance 462d7854da1SMatthew D Fleming# will point to a single malloc type that is being misused. At this 463d7854da1SMatthew D Fleming# point inspection or memguard(9) can be used to catch the offending 464d7854da1SMatthew D Fleming# code. 465d7854da1SMatthew D Fleming# 466d7854da1SMatthew D Flemingoptions MALLOC_DEBUG_MAXZONES=8 467d7854da1SMatthew D Fleming 468d7854da1SMatthew D Fleming# 469e4eb384bSBosko Milekic# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator 470e4eb384bSBosko Milekic# for the kernel used to detect modify-after-free scenarios. See the 471e4eb384bSBosko Milekic# memguard(9) man page for more information on usage. 472e4eb384bSBosko Milekic# 473e4eb384bSBosko Milekicoptions DEBUG_MEMGUARD 474e4eb384bSBosko Milekic 475e4eb384bSBosko Milekic# 476847a2a17SPawel Jakub Dawidek# DEBUG_REDZONE enables buffer underflows and buffer overflows detection for 477847a2a17SPawel Jakub Dawidek# malloc(9). 478847a2a17SPawel Jakub Dawidek# 479847a2a17SPawel Jakub Dawidekoptions DEBUG_REDZONE 480847a2a17SPawel Jakub Dawidek 481847a2a17SPawel Jakub Dawidek# 482e79f350dSWarner Losh# EARLY_PRINTF enables support for calling a special printf (eprintf) 483e79f350dSWarner Losh# very early in the kernel (before cn_init() has been called). This 484e79f350dSWarner Losh# should only be used for debugging purposes early in boot. Normally, 485e79f350dSWarner Losh# it is not defined. It is commented out here because this feature 486e79f350dSWarner Losh# isn't generally available. And the required eputc() isn't defined. 487e79f350dSWarner Losh# 488e79f350dSWarner Losh#options EARLY_PRINTF 489e79f350dSWarner Losh 490e79f350dSWarner Losh# 491ea3fc8e4SJohn Baldwin# KTRACE enables the system-call tracing facility ktrace(2). To be more 492ea3fc8e4SJohn Baldwin# SMP-friendly, KTRACE uses a worker thread to process most trace events 493ea3fc8e4SJohn Baldwin# asynchronously to the thread generating the event. This requires a 494ea3fc8e4SJohn Baldwin# pre-allocated store of objects representing trace events. The 495ea3fc8e4SJohn Baldwin# KTRACE_REQUEST_POOL option specifies the initial size of this store. 496ea3fc8e4SJohn Baldwin# The size of the pool can be adjusted both at boottime and runtime via 497ea3fc8e4SJohn Baldwin# the kern.ktrace_request_pool tunable and sysctl. 4986a8d6623SGarrett Wollman# 4992365e64fSRodney W. Grimesoptions KTRACE #kernel tracing 500ea3fc8e4SJohn Baldwinoptions KTRACE_REQUEST_POOL=101 50121c64a07SAndrey A. Chernov 5026a8d6623SGarrett Wollman# 503f7e95633SRuslan Ermilov# KTR is a kernel tracing facility imported from BSD/OS. It is 504a7bebf90SKris Kennaway# enabled with the KTR option. KTR_ENTRIES defines the number of 5056e465ac7SDavide Italiano# entries in the circular trace buffer; it may be an arbitrary number. 50636b7dde4SAndriy Gapon# KTR_BOOT_ENTRIES defines the number of entries during the early boot, 50736b7dde4SAndriy Gapon# before malloc(9) is functional. 508a7bebf90SKris Kennaway# KTR_COMPILE defines the mask of events to compile into the kernel as 509a7bebf90SKris Kennaway# defined by the KTR_* constants in <sys/ktr.h>. KTR_MASK defines the 510a7bebf90SKris Kennaway# initial value of the ktr_mask variable which determines at runtime 511a7bebf90SKris Kennaway# what events to trace. KTR_CPUMASK determines which CPU's log 512e3709597SAttilio Rao# events, with bit X corresponding to CPU X. The layout of the string 513d51e8487SJosh Paetzel# passed as KTR_CPUMASK must match a series of bitmasks each of them 514d4a2ab8cSAttilio Rao# separated by the "," character (ie: 515d4a2ab8cSAttilio Rao# KTR_CPUMASK=0xAF,0xFFFFFFFFFFFFFFFF). KTR_VERBOSE enables 516a7bebf90SKris Kennaway# dumping of KTR events to the console by default. This functionality 517a7bebf90SKris Kennaway# can be toggled via the debug.ktr_verbose sysctl and defaults to off 518f7e95633SRuslan Ermilov# if KTR_VERBOSE is not defined. See ktr(4) and ktrdump(8) for details. 519c508c1b6SJohn Baldwin# 520c508c1b6SJohn Baldwinoptions KTR 52136b7dde4SAndriy Gaponoptions KTR_BOOT_ENTRIES=1024 52236b7dde4SAndriy Gaponoptions KTR_ENTRIES=(128*1024) 5236740ed37SGleb Smirnoffoptions KTR_COMPILE=(KTR_ALL) 524a9672a81SJohn Baldwinoptions KTR_MASK=KTR_INTR 525d4a2ab8cSAttilio Raooptions KTR_CPUMASK=0x3 526d902baa4SJohn Baldwinoptions KTR_VERBOSE 527c508c1b6SJohn Baldwin 528c508c1b6SJohn Baldwin# 5291c9c6382SRuslan Ermilov# ALQ(9) is a facility for the asynchronous queuing of records from the kernel 530f7e95633SRuslan Ermilov# to a vnode, and is employed by services such as ktr(4) to produce trace 531453ffeefSRobert Watson# files based on a kernel event stream. Records are written asynchronously 532453ffeefSRobert Watson# in a worker thread. 533453ffeefSRobert Watson# 534453ffeefSRobert Watsonoptions ALQ 535453ffeefSRobert Watsonoptions KTR_ALQ 536453ffeefSRobert Watson 537453ffeefSRobert Watson# 5385526d2d9SEivind Eklund# The INVARIANTS option is used in a number of source files to enable 5396a8d6623SGarrett Wollman# extra sanity checking of internal structures. This support is not 5406a8d6623SGarrett Wollman# enabled by default because of the extra time it would take to check 5416a8d6623SGarrett Wollman# for these conditions, which can only occur as a result of 5426a8d6623SGarrett Wollman# programming errors. 5436a8d6623SGarrett Wollman# 5445526d2d9SEivind Eklundoptions INVARIANTS 5455526d2d9SEivind Eklund 5465526d2d9SEivind Eklund# 54734b15f2aSJohn Baldwin# The INVARIANT_SUPPORT option makes us compile in support for 54834b15f2aSJohn Baldwin# verifying some of the internal structures. It is a prerequisite for 54934b15f2aSJohn Baldwin# 'INVARIANTS', as enabling 'INVARIANTS' will make these functions be 55034b15f2aSJohn Baldwin# called. The intent is that you can set 'INVARIANTS' for single 55134b15f2aSJohn Baldwin# source files (by changing the source file or specifying it on the 55234b15f2aSJohn Baldwin# command line) if you have 'INVARIANT_SUPPORT' enabled. Also, if you 55334b15f2aSJohn Baldwin# wish to build a kernel module with 'INVARIANTS', then adding 55434b15f2aSJohn Baldwin# 'INVARIANT_SUPPORT' to your kernel will provide all the necessary 55534b15f2aSJohn Baldwin# infrastructure without the added overhead. 55634b15f2aSJohn Baldwin# 55734b15f2aSJohn Baldwinoptions INVARIANT_SUPPORT 55834b15f2aSJohn Baldwin 55934b15f2aSJohn Baldwin# 5604ca8c1efSConrad Meyer# The KASSERT_PANIC_OPTIONAL option allows kasserts to fire without 5614ca8c1efSConrad Meyer# necessarily inducing a panic. Panic is the default behavior, but 5624ca8c1efSConrad Meyer# runtime options can configure it either entirely off, or off with a 5634ca8c1efSConrad Meyer# limit. 5644ca8c1efSConrad Meyer# 5654ca8c1efSConrad Meyeroptions KASSERT_PANIC_OPTIONAL 5664ca8c1efSConrad Meyer 5674ca8c1efSConrad Meyer# 5685526d2d9SEivind Eklund# The DIAGNOSTIC option is used to enable extra debugging information 56994851f37SMark Johnston# and invariants checking. The added checks are too expensive or noisy 57094851f37SMark Johnston# for an INVARIANTS kernel and thus are disabled by default. It is 57194851f37SMark Johnston# expected that a kernel configured with DIAGNOSTIC will also have the 57294851f37SMark Johnston# INVARIANTS option enabled. 5735526d2d9SEivind Eklund# 5740dc7d907SPoul-Henning Kampoptions DIAGNOSTIC 575da59a31cSDavid Greenman 5760dd1eea1SJordan K. Hubbard# 5770b5438c6SRobert Watson# REGRESSION causes optional kernel interfaces necessary only for regression 5783c7c6c12SMike Pritchard# testing to be enabled. These interfaces may constitute security risks 5790b5438c6SRobert Watson# when enabled, as they permit processes to easily modify aspects of the 5800b5438c6SRobert Watson# run-time environment to reproduce unlikely or unusual (possibly normally 5810b5438c6SRobert Watson# impossible) scenarios. 5820b5438c6SRobert Watson# 5830b5438c6SRobert Watsonoptions REGRESSION 5840b5438c6SRobert Watson 5850b5438c6SRobert Watson# 5869c0ef6d5SOliver Fromme# This option lets some drivers co-exist that can't co-exist in a running 587346ebe51SEivind Eklund# system. This is used to be able to compile all kernel code in one go for 588346ebe51SEivind Eklund# quality assurance purposes (like this file, which the option takes it name 589346ebe51SEivind Eklund# from.) 590346ebe51SEivind Eklund# 591346ebe51SEivind Eklundoptions COMPILING_LINT 592346ebe51SEivind Eklund 5933c90d1eaSRobert Watson# 5943c90d1eaSRobert Watson# STACK enables the stack(9) facility, allowing the capture of kernel stack 5953c90d1eaSRobert Watson# for the purpose of procinfo(1), etc. stack(9) will also be compiled in 5963c90d1eaSRobert Watson# automatically if DDB(4) is compiled into the kernel. 5973c90d1eaSRobert Watson# 5983c90d1eaSRobert Watsonoptions STACK 5993c90d1eaSRobert Watson 600cc37baeaSStephen J. Kiernan# 601cc37baeaSStephen J. Kiernan# The NUM_CORE_FILES option specifies the limit for the number of core 602cc37baeaSStephen J. Kiernan# files generated by a particular process, when the core file format 603cc37baeaSStephen J. Kiernan# specifier includes the %I pattern. Since we only have 1 character for 604cc37baeaSStephen J. Kiernan# the core count in the format string, meaning the range will be 0-9, the 605cc37baeaSStephen J. Kiernan# maximum value allowed for this option is 10. 606cc37baeaSStephen J. Kiernan# This core file limit can be adjusted at runtime via the debug.ncores 607cc37baeaSStephen J. Kiernan# sysctl. 608cc37baeaSStephen J. Kiernan# 609cc37baeaSStephen J. Kiernanoptions NUM_CORE_FILES=5 610cc37baeaSStephen J. Kiernan 611ae3d6bfaSColin Percival# 612ae3d6bfaSColin Percival# The TSLOG option enables timestamped logging of events, especially 613ae3d6bfaSColin Percival# function entries/exits, in order to track the time spent by the kernel. 614ae3d6bfaSColin Percival# In particular, this is useful when investigating the early boot process, 615ae3d6bfaSColin Percival# before it is possible to use more sophisticated tools like DTrace. 616ae3d6bfaSColin Percival# The TSLOGSIZE option controls the size of the (preallocated, fixed 617ae3d6bfaSColin Percival# length) buffer used for storing these events (default: 262144 records). 618ae3d6bfaSColin Percival# 619ae3d6bfaSColin Percival# For security reasons the TSLOG option should not be enabled on systems 620ae3d6bfaSColin Percival# used in production. 621ae3d6bfaSColin Percival# 622ae3d6bfaSColin Percivaloptions TSLOG 623ae3d6bfaSColin Percivaloptions TSLOGSIZE=262144 624ae3d6bfaSColin Percival 6256a8d6623SGarrett Wollman 6266a8d6623SGarrett Wollman##################################################################### 627d47cce3eSMarcel Moolenaar# PERFORMANCE MONITORING OPTIONS 628d47cce3eSMarcel Moolenaar 629d47cce3eSMarcel Moolenaar# 630d47cce3eSMarcel Moolenaar# The hwpmc driver that allows the use of in-CPU performance monitoring 6319c0ef6d5SOliver Fromme# counters for performance monitoring. The base kernel needs to be configured 632d47cce3eSMarcel Moolenaar# with the 'options' line, while the hwpmc device can be either compiled 633d47cce3eSMarcel Moolenaar# in or loaded as a loadable kernel module. 634d47cce3eSMarcel Moolenaar# 635ad3869b4SJoseph Koshy# Additional configuration options may be required on specific architectures, 636ad3869b4SJoseph Koshy# please see hwpmc(4). 637ad3869b4SJoseph Koshy 638d47cce3eSMarcel Moolenaardevice hwpmc # Driver (also a loadable module) 639680f1afdSJohn Baldwinoptions HWPMC_DEBUG 640d47cce3eSMarcel Moolenaaroptions HWPMC_HOOKS # Other necessary kernel hooks 641d47cce3eSMarcel Moolenaar 642d47cce3eSMarcel Moolenaar 643d47cce3eSMarcel Moolenaar##################################################################### 6446a8d6623SGarrett Wollman# NETWORKING OPTIONS 64570c0b54cSAndrey A. Chernov 6466a8d6623SGarrett Wollman# 647a22fb0daSGeorge V. Neville-Neil# Protocol families 6486a8d6623SGarrett Wollman# 6496a8d6623SGarrett Wollmanoptions INET #Internet communications protocols 65051f4c152SYoshinobu Inoueoptions INET6 #IPv6 communications protocols 651a22fb0daSGeorge V. Neville-Neil 652f3e7afe2SHans Petter Selaskyoptions RATELIMIT # TX rate limiting support 653f3e7afe2SHans Petter Selasky 6544871fc4aSJulian Elischeroptions ROUTETABLES=2 # allocated fibs up to 65536. default is 1. 6554871fc4aSJulian Elischer # but that would be a bad idea as they are large. 6568b07e49aSJulian Elischer 65709fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload support. 65809fe6320SNavdeep Parhar 65946033610SMatt Macyoptions TCPHPTS 66046033610SMatt Macy 661a22fb0daSGeorge V. Neville-Neil# In order to enable IPSEC you MUST also add device crypto to 662a22fb0daSGeorge V. Neville-Neil# your kernel configuration 663a22fb0daSGeorge V. Neville-Neiloptions IPSEC #IP security (requires device crypto) 664fcf59617SAndrey V. Elsukov 665fcf59617SAndrey V. Elsukov# Option IPSEC_SUPPORT does not enable IPsec, but makes it possible to 666fcf59617SAndrey V. Elsukov# load it as a kernel module. You still MUST add device crypto to your kernel 667fcf59617SAndrey V. Elsukov# configuration. 668fcf59617SAndrey V. Elsukovoptions IPSEC_SUPPORT 6692cb64cb2SGeorge V. Neville-Neil#options IPSEC_DEBUG #debug for IP security 670f73bbaf2SDavid Greenman 671237abf0cSDavide Italiano# 672237abf0cSDavide Italiano# SMB/CIFS requester 673237abf0cSDavide Italiano# NETSMB enables support for SMB protocol, it requires LIBMCHAIN and LIBICONV 674237abf0cSDavide Italiano# options. 675237abf0cSDavide Italianooptions NETSMB #SMB/CIFS requester 676237abf0cSDavide Italiano 677d8589bd5SBoris Popov# mchain library. It can be either loaded as KLD or compiled into kernel 678d8589bd5SBoris Popovoptions LIBMCHAIN 679d8589bd5SBoris Popov 6806cd047a0SGleb Smirnoff# libalias library, performing NAT 6816cd047a0SGleb Smirnoffoptions LIBALIAS 6826cd047a0SGleb Smirnoff 683f8829a4aSRandall Stewart# 684f8829a4aSRandall Stewart# SCTP is a NEW transport protocol defined by 685f8829a4aSRandall Stewart# RFC2960 updated by RFC3309 and RFC3758.. and 686f8829a4aSRandall Stewart# soon to have a new base RFC and many many more 687f8829a4aSRandall Stewart# extensions. This release supports all the extensions 688f8829a4aSRandall Stewart# including many drafts (most about to become RFC's). 6899c0ef6d5SOliver Fromme# It is the reference implementation of SCTP 690f8829a4aSRandall Stewart# and is quite well tested. 691f8829a4aSRandall Stewart# 692f8829a4aSRandall Stewart# Note YOU MUST have both INET and INET6 defined. 6939c0ef6d5SOliver Fromme# You don't have to enable V6, but SCTP is 6949c0ef6d5SOliver Fromme# dual stacked and so far we have not torn apart 695f8829a4aSRandall Stewart# the V6 and V4.. since an association can span 696f8829a4aSRandall Stewart# both a V6 and V4 address at the SAME time :-) 697f8829a4aSRandall Stewart# 698f8829a4aSRandall Stewartoptions SCTP 699f8829a4aSRandall Stewart# There are bunches of options: 700f8829a4aSRandall Stewart# this one turns on all sorts of 701d51e8487SJosh Paetzel# nastily printing that you can 7029c0ef6d5SOliver Fromme# do. It's all controlled by a 703f8829a4aSRandall Stewart# bit mask (settable by socket opt and 704f8829a4aSRandall Stewart# by sysctl). Including will not cause 705f8829a4aSRandall Stewart# logging until you set the bits.. but it 706f8829a4aSRandall Stewart# can be quite verbose.. so without this 707f8829a4aSRandall Stewart# option we don't do any of the tests for 708f8829a4aSRandall Stewart# bits and prints.. which makes the code run 709f8829a4aSRandall Stewart# faster.. if you are not debugging don't use. 710f8829a4aSRandall Stewartoptions SCTP_DEBUG 711f8829a4aSRandall Stewart# 712f8829a4aSRandall Stewart# All that options after that turn on specific types of 713f8829a4aSRandall Stewart# logging. You can monitor CWND growth, flight size 714f8829a4aSRandall Stewart# and all sorts of things. Go look at the code and 715f8829a4aSRandall Stewart# see. I have used this to produce interesting 716f8829a4aSRandall Stewart# charts and graphs as well :-> 717f8829a4aSRandall Stewart# 7189c0ef6d5SOliver Fromme# I have not yet committed the tools to get and print 719f8829a4aSRandall Stewart# the logs, I will do that eventually .. before then 720f8829a4aSRandall Stewart# if you want them send me an email rrs@freebsd.org 721f7e95633SRuslan Ermilov# You basically must have ktr(4) enabled for these 722cb7a4976SRandall Stewart# and you then set the sysctl to turn on/off various 723f7e95633SRuslan Ermilov# logging bits. Use ktrdump(8) to pull the log and run 7249c0ef6d5SOliver Fromme# it through a display program.. and graphs and other 725cb7a4976SRandall Stewart# things too. 726f8829a4aSRandall Stewart# 727f8829a4aSRandall Stewartoptions SCTP_LOCK_LOGGING 728f8829a4aSRandall Stewartoptions SCTP_MBUF_LOGGING 729cb7a4976SRandall Stewartoptions SCTP_MBCNT_LOGGING 730cb7a4976SRandall Stewartoptions SCTP_PACKET_LOGGING 731cb7a4976SRandall Stewartoptions SCTP_LTRACE_CHUNKS 732cb7a4976SRandall Stewartoptions SCTP_LTRACE_ERRORS 733cb7a4976SRandall Stewart 734f8829a4aSRandall Stewart 73502b199f1SMax Laier# altq(9). Enable the base part of the hooks with the ALTQ option. 73602b199f1SMax Laier# Individual disciplines must be built into the base system and can not be 737cceffdeeSAndrew Thompson# loaded as modules at this point. ALTQ requires a stable TSC so if yours is 738cceffdeeSAndrew Thompson# broken or changes with CPU throttling then you must also have the ALTQ_NOPCC 739cceffdeeSAndrew Thompson# option. 74002b199f1SMax Laieroptions ALTQ 741755911cdSGreg Leheyoptions ALTQ_CBQ # Class Based Queueing 742c7219167SMax Laieroptions ALTQ_RED # Random Early Detection 74302b199f1SMax Laieroptions ALTQ_RIO # RED In/Out 744a13bfb09SLuiz Otavio O Souzaoptions ALTQ_CODEL # CoDel Active Queueing 74502b199f1SMax Laieroptions ALTQ_HFSC # Hierarchical Packet Scheduler 746a5b789f6SErmal Luçioptions ALTQ_FAIRQ # Fair Packet Scheduler 74702b199f1SMax Laieroptions ALTQ_CDNR # Traffic conditioner 7483c7c6c12SMike Pritchardoptions ALTQ_PRIQ # Priority Queueing 749cceffdeeSAndrew Thompsonoptions ALTQ_NOPCC # Required if the TSC is unusable 75002b199f1SMax Laieroptions ALTQ_DEBUG 75102b199f1SMax Laier 7524cf49a43SJulian Elischer# netgraph(4). Enable the base netgraph code with the NETGRAPH option. 7534cf49a43SJulian Elischer# Individual node types can be enabled with the corresponding option 7544cf49a43SJulian Elischer# listed below; however, this is not strictly necessary as netgraph 7554cf49a43SJulian Elischer# will automatically load the corresponding KLD module if the node type 75692a3e552SArchie Cobbs# is not already compiled into the kernel. Each type below has a 75792a3e552SArchie Cobbs# corresponding man page, e.g., ng_async(8). 7584cf49a43SJulian Elischeroptions NETGRAPH # netgraph(4) system 75973e87266SGleb Smirnoffoptions NETGRAPH_DEBUG # enable extra debugging, this 76073e87266SGleb Smirnoff # affects netgraph(4) and nodes 76173e87266SGleb Smirnoff# Node types 7624cf49a43SJulian Elischeroptions NETGRAPH_ASYNC 763bde778e9SBenno Riceoptions NETGRAPH_ATMLLC 764b84b10f9SMaksim Yevmenkinoptions NETGRAPH_ATM_ATMPIF 765b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH # ng_bluetooth(4) 766b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_BT3C # ng_bt3c(4) 767b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_HCI # ng_hci(4) 768b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_L2CAP # ng_l2cap(4) 769b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_SOCKET # ng_btsocket(4) 770b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBT # ng_ubt(4) 771b84b10f9SMaksim Yevmenkinoptions NETGRAPH_BLUETOOTH_UBTBCMFW # ubtbcmfw(4) 77292a3e552SArchie Cobbsoptions NETGRAPH_BPF 773901fadf7SArchie Cobbsoptions NETGRAPH_BRIDGE 7747d3b4a08SAlexander Motinoptions NETGRAPH_CAR 775b9e0c8c2SMaxim Sobolevoptions NETGRAPH_CHECKSUM 7764cf49a43SJulian Elischeroptions NETGRAPH_CISCO 7779e6f1d3bSGleb Smirnoffoptions NETGRAPH_DEFLATE 77831578ac8SGleb Smirnoffoptions NETGRAPH_DEVICE 7794cf49a43SJulian Elischeroptions NETGRAPH_ECHO 7809d564133SRobert Watsonoptions NETGRAPH_EIFACE 78146aa8b9bSArchie Cobbsoptions NETGRAPH_ETHER 7824cf49a43SJulian Elischeroptions NETGRAPH_FRAME_RELAY 78337379158SBrooks Davisoptions NETGRAPH_GIF 78437379158SBrooks Davisoptions NETGRAPH_GIF_DEMUX 7854cf49a43SJulian Elischeroptions NETGRAPH_HOLE 7864cf49a43SJulian Elischeroptions NETGRAPH_IFACE 78737379158SBrooks Davisoptions NETGRAPH_IP_INPUT 788f2a7ef4eSGleb Smirnoffoptions NETGRAPH_IPFW 78948e94174SArchie Cobbsoptions NETGRAPH_KSOCKET 790901fadf7SArchie Cobbsoptions NETGRAPH_L2TP 7914cf49a43SJulian Elischeroptions NETGRAPH_LMI 792ec5753e0SPedro F. Giffunioptions NETGRAPH_MPPC_COMPRESSION 793a2b408adSArchie Cobbsoptions NETGRAPH_MPPC_ENCRYPTION 794cec50deaSGleb Smirnoffoptions NETGRAPH_NETFLOW 7956cd047a0SGleb Smirnoffoptions NETGRAPH_NAT 7967d7a5b89SArchie Cobbsoptions NETGRAPH_ONE2MANY 797d05181f9SAndrey V. Elsukovoptions NETGRAPH_PATCH 798991633afSMarko Zecoptions NETGRAPH_PIPE 799b0801bacSArchie Cobbsoptions NETGRAPH_PPP 800b0801bacSArchie Cobbsoptions NETGRAPH_PPPOE 801add85a1dSArchie Cobbsoptions NETGRAPH_PPTPGRE 8029e6f1d3bSGleb Smirnoffoptions NETGRAPH_PRED1 8034cf49a43SJulian Elischeroptions NETGRAPH_RFC1490 804b0801bacSArchie Cobbsoptions NETGRAPH_SOCKET 8054d60fee2SBrooks Davisoptions NETGRAPH_SPLIT 8060a6818e2SRoman Kurakinoptions NETGRAPH_SPPP 807d473c9d5SGleb Smirnoffoptions NETGRAPH_TAG 808e9110049SGleb Smirnoffoptions NETGRAPH_TCPMSS 8094cf49a43SJulian Elischeroptions NETGRAPH_TEE 8104cf49a43SJulian Elischeroptions NETGRAPH_UI 811b58a8a3bSJulian Elischeroptions NETGRAPH_VJC 812b4263060SRuslan Ermilovoptions NETGRAPH_VLAN 813666ea1b6SMaksim Yevmenkin 81402152e8fSHartmut Brandt# NgATM - Netgraph ATM 81502152e8fSHartmut Brandtoptions NGATM_ATM 816027ebd2fSHartmut Brandtoptions NGATM_ATMBASE 817027ebd2fSHartmut Brandtoptions NGATM_SSCOP 818027ebd2fSHartmut Brandtoptions NGATM_SSCFU 819ed91f9a5SHartmut Brandtoptions NGATM_UNI 820a7e22394SHartmut Brandtoptions NGATM_CCATM 82102152e8fSHartmut Brandt 822c9953c3bSPeter Wemmdevice mn # Munich32x/Falc54 Nx64kbit/sec cards. 8233cf4d0bfSPoul-Henning Kamp 8240990ef0aSKevin Lo# Network stack virtualization. 8258e94025bSBjoern A. Zeeboptions VIMAGE 8268e94025bSBjoern A. Zeeboptions VNET_DEBUG # debug for VIMAGE 8270990ef0aSKevin Lo 8286a8d6623SGarrett Wollman# 8296a8d6623SGarrett Wollman# Network interfaces: 830f71c01ccSPeter Wemm# The `loop' device is MANDATORY when networking is enabled. 83136782d14SWojciech A. Koszekdevice loop 83236782d14SWojciech A. Koszek 833f71c01ccSPeter Wemm# The `ether' device provides generic code to handle 8349d5abbddSJens Schweikhardt# Ethernets; it is MANDATORY when an Ethernet device driver is 83569f0fecbSBrooks Davis# configured. 83636782d14SWojciech A. Koszekdevice ether 83736782d14SWojciech A. Koszek 838fc67901fSYaroslav Tykhiy# The `vlan' device implements the VLAN tagging of Ethernet frames 8399d9ab10eSAntoine Brodin# according to IEEE 802.1Q. 84036782d14SWojciech A. Koszekdevice vlan 84136782d14SWojciech A. Koszek 842007054f0SBryan Venteicher# The `vxlan' device implements the VXLAN encapsulation of Ethernet 843007054f0SBryan Venteicher# frames in UDP packets according to RFC7348. 844007054f0SBryan Venteicherdevice vxlan 845007054f0SBryan Venteicher 84657a42501SGarrett Wollman# The `wlan' device provides generic code to support 802.11 84767e4db77SSam Leffler# drivers, including host AP mode; it is MANDATORY for the wi, 848f4463607SSam Leffler# and ath drivers and will eventually be required by all 802.11 drivers. 84936782d14SWojciech A. Koszekdevice wlan 85036782d14SWojciech A. Koszekoptions IEEE80211_DEBUG #enable debugging msgs 85159aa14a9SRui Paulooptions IEEE80211_SUPPORT_MESH #enable 802.11s D3.0 support 85259aa14a9SRui Paulooptions IEEE80211_SUPPORT_TDMA #enable TDMA support 85336782d14SWojciech A. Koszek 85467e4db77SSam Leffler# The `wlan_wep', `wlan_tkip', and `wlan_ccmp' devices provide 85567e4db77SSam Leffler# support for WEP, TKIP, and AES-CCMP crypto protocols optionally 85667e4db77SSam Leffler# used with 802.11 devices that depend on the `wlan' module. 85736782d14SWojciech A. Koszekdevice wlan_wep 85836782d14SWojciech A. Koszekdevice wlan_ccmp 85936782d14SWojciech A. Koszekdevice wlan_tkip 86036782d14SWojciech A. Koszek 86167e4db77SSam Leffler# The `wlan_xauth' device provides support for external (i.e. user-mode) 86267e4db77SSam Leffler# authenticators for use with 802.11 drivers that use the `wlan' 86334341a71SJohn Baldwin# module and support 802.1x and/or WPA security protocols. 86436782d14SWojciech A. Koszekdevice wlan_xauth 86536782d14SWojciech A. Koszek 86667e4db77SSam Leffler# The `wlan_acl' device provides a MAC-based access control mechanism 86767e4db77SSam Leffler# for use with 802.11 drivers operating in ap mode and using the 86867e4db77SSam Leffler# `wlan' module. 86936782d14SWojciech A. Koszek# The 'wlan_amrr' device provides AMRR transmit rate control algorithm 87036782d14SWojciech A. Koszekdevice wlan_acl 87136782d14SWojciech A. Koszekdevice wlan_amrr 87236782d14SWojciech A. Koszek 873f71c01ccSPeter Wemm# The `sppp' device serves a similar role for certain types 874e7c234a1SPeter Wemm# of synchronous PPP links (like `cx', `ar'). 87536782d14SWojciech A. Koszekdevice sppp 87636782d14SWojciech A. Koszek 877f71c01ccSPeter Wemm# The `bpf' device enables the Berkeley Packet Filter. Be 878d29895dcSGarrett Wollman# aware of the legal and administrative consequences of enabling this 8799c0ef6d5SOliver Fromme# option. DHCP requires bpf. 88036782d14SWojciech A. Koszekdevice bpf 88136782d14SWojciech A. Koszek 882e4b68814SLuigi Rizzo# The `netmap' device implements memory-mapped access to network 883e4b68814SLuigi Rizzo# devices from userspace, enabling wire-speed packet capture and 884e4b68814SLuigi Rizzo# generation even at 10Gbit/s. Requires support in the device 885e4b68814SLuigi Rizzo# driver. Supported drivers are ixgbe, e1000, re. 886e4b68814SLuigi Rizzodevice netmap 887e4b68814SLuigi Rizzo 888f71c01ccSPeter Wemm# The `disc' device implements a minimal network interface, 88959d8d13fSGarrett Wollman# which throws away all packets sent and never receives any. It is 89070e04181SYaroslav Tykhiy# included for testing and benchmarking purposes. 89136782d14SWojciech A. Koszekdevice disc 89236782d14SWojciech A. Koszek 893d0ea4743SBjoern A. Zeeb# The `epair' device implements a virtual back-to-back connected Ethernet 894d0ea4743SBjoern A. Zeeb# like interface pair. 895d0ea4743SBjoern A. Zeebdevice epair 896d0ea4743SBjoern A. Zeeb 89763518eccSYaroslav Tykhiy# The `edsc' device implements a minimal Ethernet interface, 89863518eccSYaroslav Tykhiy# which discards all packets sent and receives none. 89936782d14SWojciech A. Koszekdevice edsc 90036782d14SWojciech A. Koszek 901251a32b5SKyle Evans# The `tuntap' device implements (user-)ppp, nos-tun(8) and a pty-like virtual 902251a32b5SKyle Evans# Ethernet interface 903251a32b5SKyle Evansdevice tuntap 90436782d14SWojciech A. Koszek 905f71c01ccSPeter Wemm# The `gif' device implements IPv6 over IP4 tunneling, 906cfa1ca9dSYoshinobu Inoue# IPv4 over IPv6 tunneling, IPv4 over IPv4 tunneling and 907cfa1ca9dSYoshinobu Inoue# IPv6 over IPv6 tunneling. 908f325335cSAndrey V. Elsukov# The `gre' device implements GRE (Generic Routing Encapsulation) tunneling, 909f325335cSAndrey V. Elsukov# as specified in the RFC 2784 and RFC 2890. 910f325335cSAndrey V. Elsukov# The `me' device implements Minimal Encapsulation within IPv4 as 911f325335cSAndrey V. Elsukov# specified in the RFC 2004. 912f57fc21cSJeroen Ruigrok van der Werven# The XBONEHACK option allows the same pair of addresses to be configured on 913f57fc21cSJeroen Ruigrok van der Werven# multiple gif interfaces. 91436782d14SWojciech A. Koszekdevice gif 91536782d14SWojciech A. Koszekdevice gre 916f325335cSAndrey V. Elsukovdevice me 91736782d14SWojciech A. Koszekoptions XBONEHACK 91836782d14SWojciech A. Koszek 919d5015639SMunechika SUMIKAWA# The `stf' device implements 6to4 encapsulation. 92036782d14SWojciech A. Koszekdevice stf 92136782d14SWojciech A. Koszek 9228d69c48bSMax Laier# The pf packet filter consists of three devices: 9238d69c48bSMax Laier# The `pf' device provides /dev/pf and the firewall code itself. 9248d69c48bSMax Laier# The `pflog' device provides the pflog0 interface which logs packets. 9258d69c48bSMax Laier# The `pfsync' device provides the pfsync0 interface used for 9268d69c48bSMax Laier# synchronization of firewall state tables (over the net). 92736782d14SWojciech A. Koszekdevice pf 92836782d14SWojciech A. Koszekdevice pflog 92936782d14SWojciech A. Koszekdevice pfsync 93036782d14SWojciech A. Koszek 93136782d14SWojciech A. Koszek# Bridge interface. 93236782d14SWojciech A. Koszekdevice if_bridge 93336782d14SWojciech A. Koszek 93436782d14SWojciech A. Koszek# Common Address Redundancy Protocol. See carp(4) for more details. 93536782d14SWojciech A. Koszekdevice carp 93636782d14SWojciech A. Koszek 93736782d14SWojciech A. Koszek# IPsec interface. 93836782d14SWojciech A. Koszekdevice enc 93936782d14SWojciech A. Koszek 94036782d14SWojciech A. Koszek# Link aggregation interface. 94136782d14SWojciech A. Koszekdevice lagg 94236782d14SWojciech A. Koszek 9438d69c48bSMax Laier# 9446a8d6623SGarrett Wollman# Internet family options: 9456a8d6623SGarrett Wollman# 9466a8d6623SGarrett Wollman# MROUTING enables the kernel multicast packet forwarder, which works 9470948f0a2SBruce M Simpson# with mrouted and XORP. 948e0f688baSJeffrey Hsu# 949d29895dcSGarrett Wollman# IPFIREWALL enables support for IP firewall construction, in 950ff6f025aSAlexander Langer# conjunction with the `ipfw' program. IPFIREWALL_VERBOSE sends 951ff6f025aSAlexander Langer# logged packets to the system logger. IPFIREWALL_VERBOSE_LIMIT 952ff6f025aSAlexander Langer# limits the number of times a matching entry can be logged. 953ab6e02daSJordan K. Hubbard# 954ab6e02daSJordan K. Hubbard# WARNING: IPFIREWALL defaults to a policy of "deny ip from any to any" 955ab6e02daSJordan K. Hubbard# and if you do not add other rules during startup to allow access, 956a236d14cSJordan K. Hubbard# YOU WILL LOCK YOURSELF OUT. It is suggested that you set firewall_type=open 957ab6e02daSJordan K. Hubbard# in /etc/rc.conf when first enabling this feature, then refining the 958ab6e02daSJordan K. Hubbard# firewall rules in /etc/rc.firewall after you've tested that the new kernel 959ab6e02daSJordan K. Hubbard# feature works properly. 9608dd4744eSJordan K. Hubbard# 961ffdd472dSPeter Wemm# IPFIREWALL_DEFAULT_TO_ACCEPT causes the default rule (at boot) to 962ffdd472dSPeter Wemm# allow everything. Use with care, if a cracker can crash your 963ffdd472dSPeter Wemm# firewall machine, they can get to your protected machines. However, 964ffdd472dSPeter Wemm# if you are using it as an as-needed filter for specific problems as 965ffdd472dSPeter Wemm# they arise, then this may be for you. Changing the default to 'allow' 966ffdd472dSPeter Wemm# means that you won't get stuck if the kernel and /sbin/ipfw binary get 967ffdd472dSPeter Wemm# out of sync. 968d29895dcSGarrett Wollman# 96984bb6a2eSAndre Oppermann# IPDIVERT enables the divert IP sockets, used by ``ipfw divert''. It 97084bb6a2eSAndre Oppermann# depends on IPFIREWALL if compiled into the kernel. 97193e0e116SJulian Elischer# 97261c0e134SPaolo Pisati# IPFIREWALL_NAT adds support for in kernel nat in ipfw, and it requires 973531c890bSPaolo Pisati# LIBALIAS. 97461c0e134SPaolo Pisati# 975d8caf56eSAndrey V. Elsukov# IPFIREWALL_NAT64 adds support for in kernel NAT64 in ipfw. 976d8caf56eSAndrey V. Elsukov# 977b867e84eSAndrey V. Elsukov# IPFIREWALL_NPTV6 adds support for in kernel NPTv6 in ipfw. 978b867e84eSAndrey V. Elsukov# 979aac74aeaSAndrey V. Elsukov# IPFIREWALL_PMOD adds support for protocols modification module. Currently 980aac74aeaSAndrey V. Elsukov# it supports only TCP MSS modification. 981aac74aeaSAndrey V. Elsukov# 9821b968362SDag-Erling Smørgrav# IPSTEALTH enables code to support stealth forwarding (i.e., forwarding 9831c9c6382SRuslan Ermilov# packets without touching the TTL). This can be useful to hide firewalls 9841b968362SDag-Erling Smørgrav# from traceroute and similar tools. 9851b968362SDag-Erling Smørgrav# 9867f7ef494SGleb Smirnoff# PF_DEFAULT_TO_DROP causes the default pf(4) rule to deny everything. 9877f7ef494SGleb Smirnoff# 9885e331acdSGarrett Wollman# TCPDEBUG enables code which keeps traces of the TCP state machine 9895e331acdSGarrett Wollman# for sockets with the SO_DEBUG option set, which can then be examined 9905e331acdSGarrett Wollman# using the trpt(8) utility. 99165e8111fSBruce Evans# 99286a996e6SHiren Panchasara# TCPPCAP enables code which keeps the last n packets sent and received 99386a996e6SHiren Panchasara# on a TCP socket. 99486a996e6SHiren Panchasara# 995e24e5683SJonathan T. Looney# TCP_BLACKBOX enables enhanced TCP event logging. 996e24e5683SJonathan T. Looney# 997bd79708dSJonathan T. Looney# TCP_HHOOK enables the hhook(9) framework hooks for the TCP stack. 998bd79708dSJonathan T. Looney# 99965e4e499SGleb Smirnoff# RADIX_MPATH provides support for equal-cost multi-path routing. 10009731596aSGleb Smirnoff# 1001e3178a06SJordan K. Hubbardoptions MROUTING # Multicast routing 1002d29895dcSGarrett Wollmanoptions IPFIREWALL #firewall 10034479e72cSCrist J. Clarkoptions IPFIREWALL_VERBOSE #enable logging to syslogd(8) 10045895e3c8SPeter Wemmoptions IPFIREWALL_VERBOSE_LIMIT=100 #limit verbosity 1005e43a9900SAlexander Langeroptions IPFIREWALL_DEFAULT_TO_ACCEPT #allow everything by default 100661c0e134SPaolo Pisatioptions IPFIREWALL_NAT #ipfw kernel nat support 1007d8caf56eSAndrey V. Elsukovoptions IPFIREWALL_NAT64 #ipfw kernel NAT64 support 1008b867e84eSAndrey V. Elsukovoptions IPFIREWALL_NPTV6 #ipfw kernel IPv6 NPT support 100993e0e116SJulian Elischeroptions IPDIVERT #divert sockets 10109cc86ee9SGuido van Rooijoptions IPFILTER #ipfilter support 10119cc86ee9SGuido van Rooijoptions IPFILTER_LOG #ipfilter logging 10120c3757dfSDarren Reedoptions IPFILTER_LOOKUP #ipfilter pools 10138259bcdfSJeroen Ruigrok van der Wervenoptions IPFILTER_DEFAULT_BLOCK #block all packets by default 10141b968362SDag-Erling Smørgravoptions IPSTEALTH #support for stealth forwarding 10157f7ef494SGleb Smirnoffoptions PF_DEFAULT_TO_DROP #drop everything by default 101665e8111fSBruce Evansoptions TCPDEBUG 101786a996e6SHiren Panchasaraoptions TCPPCAP 1018e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX 1019bd79708dSJonathan T. Looneyoptions TCP_HHOOK 10209731596aSGleb Smirnoffoptions RADIX_MPATH 10216a8d6623SGarrett Wollman 102253dcc544SMike Silbersack# The MBUF_STRESS_TEST option enables options which create 102353dcc544SMike Silbersack# various random failures / extreme cases related to mbuf 1024f8f8803bSBruce Evans# functions. See mbuf(9) for a list of available test cases. 10254e77d255SJulian Elischer# MBUF_PROFILING enables code to profile the mbuf chains 10266eeac1d9SJulian Elischer# exiting the system (via participating interfaces) and 10276eeac1d9SJulian Elischer# return a logarithmic histogram of monitored parameters 10286eeac1d9SJulian Elischer# (e.g. packet size, wasted space, number of mbufs in chain). 102953dcc544SMike Silbersackoptions MBUF_STRESS_TEST 10306eeac1d9SJulian Elischeroptions MBUF_PROFILING 10314a5ccac7SMike Silbersack 10329c0ef6d5SOliver Fromme# Statically link in accept filters 1033a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_DATA 1034744eaff7SDavid Maloneoptions ACCEPT_FILTER_DNS 1035a79b7128SAlfred Perlsteinoptions ACCEPT_FILTER_HTTP 1036a79b7128SAlfred Perlstein 1037b52f8407SBruce M Simpson# TCP_SIGNATURE adds support for RFC 2385 (TCP-MD5) digests. These are 1038b52f8407SBruce M Simpson# carried in TCP option 19. This option is commonly used to protect 1039b52f8407SBruce M Simpson# TCP sessions (e.g. BGP) where IPSEC is not available nor desirable. 1040b52f8407SBruce M Simpson# This is enabled on a per-socket basis using the TCP_MD5SIG socket option. 1041fcf59617SAndrey V. Elsukov# This requires the use of 'device crypto' and either 'options IPSEC' or 1042fcf59617SAndrey V. Elsukov# 'options IPSEC_SUPPORT'. 10435164136dSBjoern A. Zeeboptions TCP_SIGNATURE #include support for RFC 2385 1044b52f8407SBruce M Simpson 1045f8f8803bSBruce Evans# DUMMYNET enables the "dummynet" bandwidth limiter. You need IPFIREWALL 1046f8f8803bSBruce Evans# as well. See dummynet(4) and ipfw(8) for more info. When you run 1047358f8d82SRobert Watson# DUMMYNET it is advisable to also have at least "options HZ=1000" to achieve 1048358f8d82SRobert Watson# a smooth scheduling of the traffic. 104968ec4eb6SLuigi Rizzooptions DUMMYNET 105068e9d934SLuigi Rizzo 1051e5054602SMark Johnston# The NETDUMP option enables netdump(4) client support in the kernel. 1052e5054602SMark Johnston# This allows a panicking kernel to transmit a kernel dump to a remote host. 1053e5054602SMark Johnstonoptions NETDUMP 1054e5054602SMark Johnston 10556a8d6623SGarrett Wollman##################################################################### 10566a8d6623SGarrett Wollman# FILESYSTEM OPTIONS 1057e3178a06SJordan K. Hubbard 10582365e64fSRodney W. Grimes# 10593f850e6aSKonstantin Belousov# Only the root filesystem needs to be statically compiled or preloaded 10603f850e6aSKonstantin Belousov# as module; everything else will be automatically loaded at mount 10613f850e6aSKonstantin Belousov# time. Some people still prefer to statically compile other 10623f850e6aSKonstantin Belousov# filesystems as well. 10636a8d6623SGarrett Wollman# 106455793cdcSAttilio Rao# NB: The UNION filesystem was known to be buggy in the past. It is now 1065534046e3SRong-En Fan# being actively maintained, although there are still some issues being 1066534046e3SRong-En Fan# resolved. 10672365e64fSRodney W. Grimes# 1068f1a9c715SDavid Greenman 10696a8d6623SGarrett Wollman# One of these is mandatory: 10706a8d6623SGarrett Wollmanoptions FFS #Fast filesystem 1071c15882f0SRick Macklemoptions NFSCL #Network File System client 10726a8d6623SGarrett Wollman 10736a8d6623SGarrett Wollman# The rest are optional: 10743914ddf8SEdward Tomasz Napieralaoptions AUTOFS #Automounter filesystem 10755895e3c8SPeter Wemmoptions CD9660 #ISO 9660 filesystem 107699d300a1SRuslan Ermilovoptions FDESCFS #File descriptor filesystem 1077123af6ecSAlan Somersoptions FUSEFS #FUSEFS support module 1078dba11ce5SAlexander Langeroptions MSDOSFS #MS DOS File System (FAT, FAT32) 1079dfdcada3SDoug Rabsonoptions NFSLOCKD #Network Lock Manager 10803e32dff5SJohn Baldwinoptions NFSD #Network Filesystem Server 10819c0ef6d5SOliver Frommeoptions KGSSAPI #Kernel GSSAPI implementation 10821bea7c61SMaxim Sobolev 1083f1a9c715SDavid Greenmanoptions NULLFS #NULL filesystem 10844d2647f9SDag-Erling Smørgravoptions PROCFS #Process filesystem (requires PSEUDOFS) 108552ebde4fSDag-Erling Smørgravoptions PSEUDOFS #Pseudo-filesystem framework 1086bcc1205cSDag-Erling Smørgravoptions PSEUDOFS_TRACE #Debugging support for PSEUDOFS 1087237abf0cSDavide Italianooptions SMBFS #SMB/CIFS filesystem 108878920d0fSKevin Looptions TMPFS #Efficient memory filesystem 1089df263cbdSScott Longoptions UDF #Universal Disk Format 109099d300a1SRuslan Ermilovoptions UNIONFS #Union filesystem 1091bcf77694SPeter Wemm# The xFS_ROOT options REQUIRE the associated ``options xFS'' 1092bcf77694SPeter Wemmoptions NFS_ROOT #NFS usable as root device 1093f1a9c715SDavid Greenman 1094d0a28bafSAlexander Langer# Soft updates is a technique for improving filesystem speed and 1095d61e6649SAlexander Langer# making abrupt shutdown less risky. 1096f8f8d7afSEivind Eklund# 10973d5c4fdcSPoul-Henning Kampoptions SOFTUPDATES 1098b1897c19SJulian Elischer 1099a64ed089SRobert Watson# Extended attributes allow additional data to be associated with files, 110051be6918SChris D. Faulhaber# and is used for ACLs, Capabilities, and MAC labels. 110151be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.extattr for more information. 110249993db0SRobert Watsonoptions UFS_EXTATTR 110349993db0SRobert Watsonoptions UFS_EXTATTR_AUTOSTART 1104a64ed089SRobert Watson 110551be6918SChris D. Faulhaber# Access Control List support for UFS filesystems. The current ACL 110651be6918SChris D. Faulhaber# implementation requires extended attribute support, UFS_EXTATTR, 110751be6918SChris D. Faulhaber# for the underlying filesystem. 110851be6918SChris D. Faulhaber# See src/sys/ufs/ufs/README.acls for more information. 110951be6918SChris D. Faulhaberoptions UFS_ACL 111051be6918SChris D. Faulhaber 11119b5ad47fSIan Dowse# Directory hashing improves the speed of operations on very large 11129b5ad47fSIan Dowse# directories at the expense of some memory. 11139b5ad47fSIan Dowseoptions UFS_DIRHASH 11149b5ad47fSIan Dowse 1115f348204cSPawel Jakub Dawidek# Gjournal-based UFS journaling support. 1116f348204cSPawel Jakub Dawidekoptions UFS_GJOURNAL 1117f348204cSPawel Jakub Dawidek 111871e4fff8SPoul-Henning Kamp# Make space in the kernel for a root filesystem on a md device. 111971e4fff8SPoul-Henning Kamp# Define to the number of kilobytes to reserve for the filesystem. 1120f4c1f0b9SAdrian Chadd# This is now optional. 1121f4c1f0b9SAdrian Chadd# If not defined, the root filesystem passed in as the MFS_IMAGE makeoption 1122f4c1f0b9SAdrian Chadd# will be automatically embedded in the kernel during linking. Its exact size 1123f4c1f0b9SAdrian Chadd# will be consumed within the kernel. 1124f4c1f0b9SAdrian Chadd# If defined, the old way of embedding the filesystem in the kernel will be 1125f4c1f0b9SAdrian Chadd# used. That is to say MD_ROOT_SIZE KB will be allocated in the kernel and 1126f4c1f0b9SAdrian Chadd# later, the filesystem image passed in as the MFS_IMAGE makeoption will be 1127f4c1f0b9SAdrian Chadd# dd'd into the reserved space if it fits. 112871e4fff8SPoul-Henning Kampoptions MD_ROOT_SIZE=10 112971e4fff8SPoul-Henning Kamp 113071e4fff8SPoul-Henning Kamp# Make the md device a potential root device, either with preloaded 113171e4fff8SPoul-Henning Kamp# images of type mfs_root or md_root. 113271e4fff8SPoul-Henning Kampoptions MD_ROOT 1133d52d7365SPoul-Henning Kamp 11345cf10fb9SIan Lepore# Write-protect the md root device so that it may not be mounted writeable. 11355cf10fb9SIan Leporeoptions MD_ROOT_READONLY 11365cf10fb9SIan Lepore 11377b2c7b92SBreno Leitao# Allow to read MD image from external memory regions 11387b2c7b92SBreno Leitaooptions MD_ROOT_MEM 11397b2c7b92SBreno Leitao 1140495967e4SEivind Eklund# Disk quotas are supported when this option is enabled. 11412365e64fSRodney W. Grimesoptions QUOTA #enable disk quotas 11426a8d6623SGarrett Wollman 1143276756a4SDag-Erling Smørgrav# If you are running a machine just as a fileserver for PC and MAC 114445c203fcSGleb Smirnoff# users, using SAMBA, you may consider setting this option 1145276756a4SDag-Erling Smørgrav# and keeping all those users' directories on a filesystem that is 1146276756a4SDag-Erling Smørgrav# mounted with the suiddir option. This gives new files the same 1147ec4e5afbSRobert Nordier# ownership as the directory (similar to group). It's a security hole 11486110161fSDag-Erling Smørgrav# if you let these users run programs, so confine it to file-servers 1149276756a4SDag-Erling Smørgrav# (but it'll save you lots of headaches in those cases). Root owned 1150276756a4SDag-Erling Smørgrav# directories are exempt and X bits are cleared. The suid bit must be 11519c0ef6d5SOliver Fromme# set on the directory as well; see chmod(1). PC owners can't see/set 1152276756a4SDag-Erling Smørgrav# ownerships so they keep getting their toes trodden on. This saves 1153276756a4SDag-Erling Smørgrav# you all the support calls as the filesystem it's used on will act as 1154276756a4SDag-Erling Smørgrav# they expect: "It's my dir so it must be my file". 1155cb800e34SJulian Elischer# 1156cb800e34SJulian Elischeroptions SUIDDIR 1157cb800e34SJulian Elischer 1158df394affSJohn-Mark Gurney# NFS options: 11595895e3c8SPeter Wemmoptions NFS_MINATTRTIMO=3 # VREG attrib cache timeout in sec 11605895e3c8SPeter Wemmoptions NFS_MAXATTRTIMO=60 11615895e3c8SPeter Wemmoptions NFS_MINDIRATTRTIMO=30 # VDIR attrib cache timeout in sec 11625895e3c8SPeter Wemmoptions NFS_MAXDIRATTRTIMO=60 1163df394affSJohn-Mark Gurneyoptions NFS_DEBUG # Enable NFS Debugging 1164df394affSJohn-Mark Gurney 1165053a2b61SEivind Eklund# 1166053a2b61SEivind Eklund# Add support for the EXT2FS filesystem of Linux fame. Be a bit 1167053a2b61SEivind Eklund# careful with this - the ext2fs code has a tendency to lag behind 1168053a2b61SEivind Eklund# changes and not be exercised very much, so mounting read/write could 1169053a2b61SEivind Eklund# be dangerous (and even mounting read only could result in panics.) 1170053a2b61SEivind Eklund# 11715895e3c8SPeter Wemmoptions EXT2FS 1172053a2b61SEivind Eklund 11738ab2f5ecSMark Murray# The system memory devices; /dev/mem, /dev/kmem 1174e83e229dSWarner Loshdevice mem 11758ab2f5ecSMark Murray 117600a5db46SStacey Son# The kernel symbol table device; /dev/ksyms 117700a5db46SStacey Sondevice ksyms 117800a5db46SStacey Son 1179c4f02a89SMax Khon# Optional character code conversion support with LIBICONV. 1180c4f02a89SMax Khon# Each option requires their base file system and LIBICONV. 1181c4f02a89SMax Khonoptions CD9660_ICONV 1182c4f02a89SMax Khonoptions MSDOSFS_ICONV 1183126f0dfaSScott Longoptions UDF_ICONV 1184c4f02a89SMax Khon 11856a8d6623SGarrett Wollman 11866a8d6623SGarrett Wollman##################################################################### 1187abc97a06SBruce Evans# POSIX P1003.1B 1188abc97a06SBruce Evans 11891c9c6382SRuslan Ermilov# Real time extensions added in the 1993 POSIX 1190abc97a06SBruce Evans# _KPOSIX_PRIORITY_SCHEDULING: Build in _POSIX_PRIORITY_SCHEDULING 1191abc97a06SBruce Evans 11925895e3c8SPeter Wemmoptions _KPOSIX_PRIORITY_SCHEDULING 11938cbf4973SAlfred Perlstein# p1003_1b_semaphores are very experimental, 11948cbf4973SAlfred Perlstein# user should be ready to assist in debugging if problems arise. 11953ffb9fadSAlfred Perlsteinoptions P1003_1B_SEMAPHORES 1196abc97a06SBruce Evans 11975b40ce27SDavid Xu# POSIX message queue 11985b40ce27SDavid Xuoptions P1003_1B_MQUEUE 1199abc97a06SBruce Evans 1200abc97a06SBruce Evans##################################################################### 120112e9f256SRobert Watson# SECURITY POLICY PARAMETERS 120212e9f256SRobert Watson 1203fdcba197SRobert Watson# Support for BSM audit 1204fdcba197SRobert Watsonoptions AUDIT 1205fdcba197SRobert Watson 1206cd6d1d76SBruce Evans# Support for Mandatory Access Control (MAC): 1207cd6d1d76SBruce Evansoptions MAC 1208eae2f20cSRobert Watsonoptions MAC_BIBA 1209eae2f20cSRobert Watsonoptions MAC_BSDEXTENDED 1210eae2f20cSRobert Watsonoptions MAC_IFOFF 1211c4725737SRobert Watsonoptions MAC_LOMAC 1212eae2f20cSRobert Watsonoptions MAC_MLS 1213eae2f20cSRobert Watsonoptions MAC_NONE 12143496c981SIan Leporeoptions MAC_NTPD 1215eae2f20cSRobert Watsonoptions MAC_PARTITION 121603d03162SRobert Watsonoptions MAC_PORTACL 1217eae2f20cSRobert Watsonoptions MAC_SEEOTHERUIDS 1218782f7255SRobert Watsonoptions MAC_STUB 1219eae2f20cSRobert Watsonoptions MAC_TEST 122012e9f256SRobert Watson 122196fcc75fSRobert Watson# Support for Capsicum 122255d4d6f4SJonathan Andersonoptions CAPABILITIES # fine-grained rights on file descriptors 122355d4d6f4SJonathan Andersonoptions CAPABILITY_MODE # sandboxes with no global namespace access 122496fcc75fSRobert Watson 122512e9f256SRobert Watson 122612e9f256SRobert Watson##################################################################### 1227000033d0SJeroen Ruigrok van der Werven# CLOCK OPTIONS 1228000033d0SJeroen Ruigrok van der Werven 1229000033d0SJeroen Ruigrok van der Werven# The granularity of operation is controlled by the kernel option HZ whose 1230358f8d82SRobert Watson# default value (1000 on most architectures) means a granularity of 1ms 1231358f8d82SRobert Watson# (1s/HZ). Historically, the default was 100, but finer granularity is 1232358f8d82SRobert Watson# required for DUMMYNET and other systems on modern hardware. There are 1233358f8d82SRobert Watson# reasonable arguments that HZ should, in fact, be 100 still; consider, 1234358f8d82SRobert Watson# that reducing the granularity too much might cause excessive overhead in 1235358f8d82SRobert Watson# clock interrupt processing, potentially causing ticks to be missed and thus 1236358f8d82SRobert Watson# actually reducing the accuracy of operation. 1237000033d0SJeroen Ruigrok van der Werven 1238000033d0SJeroen Ruigrok van der Wervenoptions HZ=100 1239000033d0SJeroen Ruigrok van der Werven 1240f309f881SJohn Baldwin# Enable support for the kernel PLL to use an external PPS signal, 1241f309f881SJohn Baldwin# under supervision of [x]ntpd(8) 1242f309f881SJohn Baldwin# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 1243f309f881SJohn Baldwin 1244f309f881SJohn Baldwinoptions PPS_SYNC 1245f309f881SJohn Baldwin 1246b0fdc837SLawrence Stewart# Enable support for generic feed-forward clocks in the kernel. 1247b0fdc837SLawrence Stewart# The feed-forward clock support is an alternative to the feedback oriented 1248b0fdc837SLawrence Stewart# ntpd/system clock approach, and is to be used with a feed-forward 1249b0fdc837SLawrence Stewart# synchronization algorithm such as the RADclock: 1250b0fdc837SLawrence Stewart# More info here: http://www.synclab.org/radclock 1251b0fdc837SLawrence Stewart 1252b0fdc837SLawrence Stewartoptions FFCLOCK 1253b0fdc837SLawrence Stewart 1254000033d0SJeroen Ruigrok van der Werven 1255000033d0SJeroen Ruigrok van der Werven##################################################################### 1256de6a307eSPeter Dufault# SCSI DEVICES 1257de6a307eSPeter Dufault 12586a8d6623SGarrett Wollman# SCSI DEVICE CONFIGURATION 12596a8d6623SGarrett Wollman 12606a8d6623SGarrett Wollman# The SCSI subsystem consists of the `base' SCSI code, a number of 1261ebc1a0e2SPeter Dufault# high-level SCSI device `type' drivers, and the low-level host-adapter 12626a8d6623SGarrett Wollman# device drivers. The host adapters are listed in the ISA and PCI 12636a8d6623SGarrett Wollman# device configuration sections below. 12646a8d6623SGarrett Wollman# 1265e14eb5a1SGarrett Wollman# It is possible to wire down your SCSI devices so that a given bus, 1266e14eb5a1SGarrett Wollman# target, and LUN always come on line as the same device unit. In 1267e14eb5a1SGarrett Wollman# earlier versions the unit numbers were assigned in the order that 1268e14eb5a1SGarrett Wollman# the devices were probed on the SCSI bus. This means that if you 1269e14eb5a1SGarrett Wollman# removed a disk drive, you may have had to rewrite your /etc/fstab 1270e14eb5a1SGarrett Wollman# file, and also that you had to be careful when adding a new disk 1271e14eb5a1SGarrett Wollman# as it may have been probed earlier and moved your device configuration 1272e14eb5a1SGarrett Wollman# around. (See also option GEOM_VOL for a different solution to this 1273e14eb5a1SGarrett Wollman# problem.) 1274ebc1a0e2SPeter Dufault 1275ebc1a0e2SPeter Dufault# This old behavior is maintained as the default behavior. The unit 1276ebc1a0e2SPeter Dufault# assignment begins with the first non-wired down unit for a device 1277700daf5eSJustin T. Gibbs# type. For example, if you wire a disk as "da3" then the first 1278700daf5eSJustin T. Gibbs# non-wired disk will be assigned da4. 1279ebc1a0e2SPeter Dufault 1280ebc1a0e2SPeter Dufault# The syntax for wiring down devices is: 1281ebc1a0e2SPeter Dufault 1282f71c01ccSPeter Wemmhint.scbus.0.at="ahc0" 1283f71c01ccSPeter Wemmhint.scbus.1.at="ahc1" 1284f71c01ccSPeter Wemmhint.scbus.1.bus="0" 1285f71c01ccSPeter Wemmhint.scbus.3.at="ahc2" 1286f71c01ccSPeter Wemmhint.scbus.3.bus="0" 1287f71c01ccSPeter Wemmhint.scbus.2.at="ahc2" 1288f71c01ccSPeter Wemmhint.scbus.2.bus="1" 1289f71c01ccSPeter Wemmhint.da.0.at="scbus0" 1290f71c01ccSPeter Wemmhint.da.0.target="0" 1291f71c01ccSPeter Wemmhint.da.0.unit="0" 1292f71c01ccSPeter Wemmhint.da.1.at="scbus3" 1293f71c01ccSPeter Wemmhint.da.1.target="1" 1294f71c01ccSPeter Wemmhint.da.2.at="scbus2" 1295f71c01ccSPeter Wemmhint.da.2.target="3" 1296f71c01ccSPeter Wemmhint.sa.1.at="scbus1" 1297f71c01ccSPeter Wemmhint.sa.1.target="6" 1298ebc1a0e2SPeter Dufault 1299ebc1a0e2SPeter Dufault# "units" (SCSI logical unit number) that are not specified are 1300ebc1a0e2SPeter Dufault# treated as if specified as LUN 0. 1301ebc1a0e2SPeter Dufault 1302ebc1a0e2SPeter Dufault# All SCSI devices allocate as many units as are required. 1303ebc1a0e2SPeter Dufault 1304cf2458c9SMatt Jacob# The ch driver drives SCSI Media Changer ("jukebox") devices. 1305cf2458c9SMatt Jacob# 1306cf2458c9SMatt Jacob# The da driver drives SCSI Direct Access ("disk") and Optical Media 1307cf2458c9SMatt Jacob# ("WORM") devices. 1308cf2458c9SMatt Jacob# 1309cf2458c9SMatt Jacob# The sa driver drives SCSI Sequential Access ("tape") devices. 1310cf2458c9SMatt Jacob# 1311cf2458c9SMatt Jacob# The cd driver drives SCSI Read Only Direct Access ("cd") devices. 1312cf2458c9SMatt Jacob# 13133c7c6c12SMike Pritchard# The ses driver drives SCSI Environment Services ("ses") and 13143c7c6c12SMike Pritchard# SAF-TE ("SCSI Accessible Fault-Tolerant Enclosure") devices. 1315cf2458c9SMatt Jacob# 1316cf2458c9SMatt Jacob# The pt driver drives SCSI Processor devices. 1317cf2458c9SMatt Jacob# 13181eba4c79SScott Long# The sg driver provides a passthrough API that is compatible with the 13191eba4c79SScott Long# Linux SG driver. It will work in conjunction with the COMPAT_LINUX 13201eba4c79SScott Long# option to run linux SG apps. It can also stand on its own and provide 1321d51e8487SJosh Paetzel# source level API compatibility for porting apps to FreeBSD. 1322cf2458c9SMatt Jacob# 1323cf2458c9SMatt Jacob# Target Mode support is provided here but also requires that a SIM 1324cf2458c9SMatt Jacob# (SCSI Host Adapter Driver) provide support as well. 1325cf2458c9SMatt Jacob# 1326cf2458c9SMatt Jacob# The targ driver provides target mode support as a Processor type device. 1327cf2458c9SMatt Jacob# It exists to give the minimal context necessary to respond to Inquiry 1328cf2458c9SMatt Jacob# commands. There is a sample user application that shows how the rest 1329cf2458c9SMatt Jacob# of the command support might be done in /usr/share/examples/scsi_target. 1330cf2458c9SMatt Jacob# 1331cf2458c9SMatt Jacob# The targbh driver provides target mode support and exists to respond 1332cf2458c9SMatt Jacob# to incoming commands that do not otherwise have a logical unit assigned 1333cf2458c9SMatt Jacob# to them. 1334cf2458c9SMatt Jacob# 1335b2420d4dSSergey Kandaurov# The pass driver provides a passthrough API to access the CAM subsystem. 1336ebc1a0e2SPeter Dufault 1337c9953c3bSPeter Wemmdevice scbus #base SCSI code 1338c9953c3bSPeter Wemmdevice ch #SCSI media changers 1339c9953c3bSPeter Wemmdevice da #SCSI direct access devices (aka disks) 1340c9953c3bSPeter Wemmdevice sa #SCSI tapes 1341c9953c3bSPeter Wemmdevice cd #SCSI CD-ROMs 1342dc0aa406SAlexander Motindevice ses #Enclosure Services (SES and SAF-TE) 1343cf2458c9SMatt Jacobdevice pt #SCSI processor 134464ed91d5SMatt Jacobdevice targ #SCSI Target Mode Code 134564ed91d5SMatt Jacobdevice targbh #SCSI Target Mode Blackhole Device 1346cf2458c9SMatt Jacobdevice pass #CAM passthrough driver 13471eba4c79SScott Longdevice sg #Linux SCSI passthrough 1348130f4520SKenneth D. Merrydevice ctl #CAM Target Layer 13498909a72bSPeter Dufault 1350700daf5eSJustin T. Gibbs# CAM OPTIONS: 1351700daf5eSJustin T. Gibbs# debugging options: 1352f0f25b9cSAlexander Motin# CAMDEBUG Compile in all possible debugging. 1353f0f25b9cSAlexander Motin# CAM_DEBUG_COMPILE Debug levels to compile in. 1354f0f25b9cSAlexander Motin# CAM_DEBUG_FLAGS Debug levels to enable on boot. 1355f0f25b9cSAlexander Motin# CAM_DEBUG_BUS Limit debugging to the given bus. 1356f0f25b9cSAlexander Motin# CAM_DEBUG_TARGET Limit debugging to the given target. 1357f0f25b9cSAlexander Motin# CAM_DEBUG_LUN Limit debugging to the given lun. 1358f0f25b9cSAlexander Motin# CAM_DEBUG_DELAY Delay in us after printing each debug line. 1359700daf5eSJustin T. Gibbs# 1360700daf5eSJustin T. Gibbs# CAM_MAX_HIGHPOWER: Maximum number of concurrent high power (start unit) cmds 1361700daf5eSJustin T. Gibbs# SCSI_NO_SENSE_STRINGS: When defined disables sense descriptions 1362700daf5eSJustin T. Gibbs# SCSI_NO_OP_STRINGS: When defined disables opcode descriptions 136356234437SKenneth D. Merry# SCSI_DELAY: The number of MILLISECONDS to freeze the SIM (scsi adapter) 136456234437SKenneth D. Merry# queue after a bus reset, and the number of milliseconds to 13653a937198SBrooks Davis# freeze the device queue after a bus device reset. This 13663a937198SBrooks Davis# can be changed at boot and runtime with the 13673a937198SBrooks Davis# kern.cam.scsi_delay tunable/sysctl. 1368700daf5eSJustin T. Gibbsoptions CAMDEBUG 1369f0f25b9cSAlexander Motinoptions CAM_DEBUG_COMPILE=-1 1370f0f25b9cSAlexander Motinoptions CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH) 13715895e3c8SPeter Wemmoptions CAM_DEBUG_BUS=-1 13725895e3c8SPeter Wemmoptions CAM_DEBUG_TARGET=-1 13735895e3c8SPeter Wemmoptions CAM_DEBUG_LUN=-1 1374f0f25b9cSAlexander Motinoptions CAM_DEBUG_DELAY=1 13755895e3c8SPeter Wemmoptions CAM_MAX_HIGHPOWER=4 1376700daf5eSJustin T. Gibbsoptions SCSI_NO_SENSE_STRINGS 1377700daf5eSJustin T. Gibbsoptions SCSI_NO_OP_STRINGS 137832672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device 1379a25d93e5SBjoern A. Zeeboptions CAM_IOSCHED_DYNAMIC 1380d38677d2SWarner Loshoptions CAM_TEST_FAILURE 13811a7c583cSGarrett Wollman 1382700daf5eSJustin T. Gibbs# Options for the CAM CDROM driver: 1383700daf5eSJustin T. Gibbs# CHANGER_MIN_BUSY_SECONDS: Guaranteed minimum time quantum for a changer LUN 1384700daf5eSJustin T. Gibbs# CHANGER_MAX_BUSY_SECONDS: Maximum time quantum per changer LUN, only 1385700daf5eSJustin T. Gibbs# enforced if there is I/O waiting for another LUN 1386700daf5eSJustin T. Gibbs# The compiled in defaults for these variables are 2 and 10 seconds, 1387700daf5eSJustin T. Gibbs# respectively. 138893063432SJoerg Wunsch# 1389700daf5eSJustin T. Gibbs# These can also be changed on the fly with the following sysctl variables: 1390700daf5eSJustin T. Gibbs# kern.cam.cd.changer.min_busy_seconds 1391700daf5eSJustin T. Gibbs# kern.cam.cd.changer.max_busy_seconds 139293063432SJoerg Wunsch# 13935895e3c8SPeter Wemmoptions CHANGER_MIN_BUSY_SECONDS=2 13945895e3c8SPeter Wemmoptions CHANGER_MAX_BUSY_SECONDS=10 139593063432SJoerg Wunsch 13969dfb4471SKenneth D. Merry# Options for the CAM sequential access driver: 1397b29f9e40SMatt Jacob# SA_IO_TIMEOUT: Timeout for read/write/wfm operations, in minutes 13989dfb4471SKenneth D. Merry# SA_SPACE_TIMEOUT: Timeout for space operations, in minutes 13999dfb4471SKenneth D. Merry# SA_REWIND_TIMEOUT: Timeout for rewind operations, in minutes 14009dfb4471SKenneth D. Merry# SA_ERASE_TIMEOUT: Timeout for erase operations, in minutes 14019f050ed5SMatt Jacob# SA_1FM_AT_EOD: Default to model which only has a default one filemark at EOT. 140225388b6cSBruce Evansoptions SA_IO_TIMEOUT=4 140325388b6cSBruce Evansoptions SA_SPACE_TIMEOUT=60 140425388b6cSBruce Evansoptions SA_REWIND_TIMEOUT=(2*60) 140525388b6cSBruce Evansoptions SA_ERASE_TIMEOUT=(4*60) 14069f050ed5SMatt Jacoboptions SA_1FM_AT_EOD 14079dfb4471SKenneth D. Merry 14083ece1bd2SKenneth D. Merry# Optional timeout for the CAM processor target (pt) device 14093ece1bd2SKenneth D. Merry# This is specified in seconds. The default is 60 seconds. 141025388b6cSBruce Evansoptions SCSI_PT_DEFAULT_TIMEOUT=60 14113ece1bd2SKenneth D. Merry 14128904e70bSMatt Jacob# Optional enable of doing SES passthrough on other devices (e.g., disks) 14138904e70bSMatt Jacob# 14148904e70bSMatt Jacob# Normally disabled because a lot of newer SCSI disks report themselves 14158904e70bSMatt Jacob# as having SES capabilities, but this can then clot up attempts to build 14169c0ef6d5SOliver Fromme# a topology with the SES device that's on the box these drives are in.... 14178904e70bSMatt Jacoboptions SES_ENABLE_PASSTHROUGH 14188904e70bSMatt Jacob 14196a8d6623SGarrett Wollman 14206a8d6623SGarrett Wollman##################################################################### 14216a8d6623SGarrett Wollman# MISCELLANEOUS DEVICES AND OPTIONS 14226a8d6623SGarrett Wollman 1423bc093719SEd Schoutendevice pty #BSD-style compatibility pseudo ttys 14246d823e81SJulian Elischerdevice nmdm #back-to-back tty devices 1425f71c01ccSPeter Wemmdevice md #Memory/malloc disk 1426932ef5b5SEd Schoutendevice snp #Snoop device - to look at pty/vty/etc.. 1427efacde1bSBrooks Davisdevice ccd #Concatenated disk driver 14286aec1278SMax Laierdevice firmware #firmware(9) support 1429be174c7eSGreg Lehey 14306f2d8adbSBoris Popov# Kernel side iconv library 14316f2d8adbSBoris Popovoptions LIBICONV 14326f2d8adbSBoris Popov 143358067a99SPoul-Henning Kamp# Size of the kernel message buffer. Should be N * pagesize. 14345895e3c8SPeter Wemmoptions MSGBUF_SIZE=40960 143558067a99SPoul-Henning Kamp 14366a8d6623SGarrett Wollman 14376a8d6623SGarrett Wollman##################################################################### 1438e131ba36SJohn Baldwin# HARDWARE BUS CONFIGURATION 1439e131ba36SJohn Baldwin 1440e131ba36SJohn Baldwin# 1441e131ba36SJohn Baldwin# PCI bus & PCI options: 1442e131ba36SJohn Baldwin# 1443e131ba36SJohn Baldwindevice pci 144482cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1445c41df401SJohn Baldwinoptions PCI_IOV # PCI SR-IOV support 1446e131ba36SJohn Baldwin 1447e131ba36SJohn Baldwin 1448e131ba36SJohn Baldwin##################################################################### 1449d61e6649SAlexander Langer# HARDWARE DEVICE CONFIGURATION 1450d61e6649SAlexander Langer 1451d61e6649SAlexander Langer# For ISA the required hints are listed. 145286d99b68SWarner Losh# PCI, CardBus, SD/MMC and pccard are self identifying buses, so 14535bcb64f2SWarner Losh# no hints are needed. 1454d61e6649SAlexander Langer 1455d61e6649SAlexander Langer# 1456d61e6649SAlexander Langer# Mandatory devices: 1457d61e6649SAlexander Langer# 1458d61e6649SAlexander Langer 14596e818956SDavid E. O'Brien# These options are valid for other keyboard drivers as well. 14606e818956SDavid E. O'Brienoptions KBD_DISABLE_KEYMAP_LOAD # refuse to load a keymap 14616e818956SDavid E. O'Brienoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 14626e818956SDavid E. O'Brien 146346360281SEd Mastedevice kbdmux # keyboard multiplexer 146446360281SEd Masteoptions KBDMUX_DFLT_KEYMAP # specify the built-in keymap 146546360281SEd Mastemakeoptions KBDMUX_DFLT_KEYMAP=it.iso 146646360281SEd Maste 14677f5092f3SJohn Baldwinoptions FB_DEBUG # Frame buffer debugging 14687f5092f3SJohn Baldwin 1469837f167eSRuslan Ermilovdevice splash # Splash screen and screen saver support 1470837f167eSRuslan Ermilov 1471905e8b43SDag-Erling Smørgrav# Various screen savers. 1472905e8b43SDag-Erling Smørgravdevice blank_saver 1473905e8b43SDag-Erling Smørgravdevice daemon_saver 1474905e8b43SDag-Erling Smørgravdevice dragon_saver 1475905e8b43SDag-Erling Smørgravdevice fade_saver 1476905e8b43SDag-Erling Smørgravdevice fire_saver 1477905e8b43SDag-Erling Smørgravdevice green_saver 1478905e8b43SDag-Erling Smørgravdevice logo_saver 1479905e8b43SDag-Erling Smørgravdevice rain_saver 1480905e8b43SDag-Erling Smørgravdevice snake_saver 1481905e8b43SDag-Erling Smørgravdevice star_saver 1482905e8b43SDag-Erling Smørgravdevice warp_saver 1483905e8b43SDag-Erling Smørgrav 14841c9c6382SRuslan Ermilov# The syscons console driver (SCO color console compatible). 1485f453022cSPeter Wemmdevice sc 1486f71c01ccSPeter Wemmhint.sc.0.at="isa" 1487683cbdf4SBruce Evansoptions MAXCONS=16 # number of virtual consoles 14886e8394b8SKazutaka YOKOTAoptions SC_ALT_MOUSE_IMAGE # simplified mouse cursor in text mode 14896e8394b8SKazutaka YOKOTAoptions SC_DFLT_FONT # compile font in 1490cc6c2ad0SPeter Wemmmakeoptions SC_DFLT_FONT=cp850 1491d09131e0SBruce Evansoptions SC_DFLT_TERM=\"sc\" # default terminal emulator 1492e2ee2173SMarcel Moolenaaroptions SC_DISABLE_KDBKEY # disable `debug' key 1493c4118fc0SKazutaka YOKOTAoptions SC_DISABLE_REBOOT # disable reboot key sequence 14946e8394b8SKazutaka YOKOTAoptions SC_HISTORY_SIZE=200 # number of history buffer lines 14956e8394b8SKazutaka YOKOTAoptions SC_MOUSE_CHAR=0x3 # char code for text mode mouse cursor 14966e8394b8SKazutaka YOKOTAoptions SC_PIXEL_MODE # add support for the raster text mode 149785e36760SJordan K. Hubbard 14987a88382dSKazutaka YOKOTA# The following options will let you change the default colors of syscons. 149925388b6cSBruce Evansoptions SC_NORM_ATTR=(FG_GREEN|BG_BLACK) 150025388b6cSBruce Evansoptions SC_NORM_REV_ATTR=(FG_YELLOW|BG_GREEN) 150125388b6cSBruce Evansoptions SC_KERNEL_CONS_ATTR=(FG_RED|BG_BLACK) 150297291303SBruce Evansoptions SC_KERNEL_CONS_ATTRS=\"\x0c\x0d\x0e\x0f\x02\x09\x0a\x0b\" 150325388b6cSBruce Evansoptions SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_RED) 15047a88382dSKazutaka YOKOTA 1505d51e8487SJosh Paetzel# The following options will let you change the default behavior of 150678f45204SMaxim Sobolev# cut-n-paste feature 150778f45204SMaxim Sobolevoptions SC_CUT_SPACES2TABS # convert leading spaces into tabs 150825388b6cSBruce Evansoptions SC_CUT_SEPCHARS=\"x09\" # set of characters that delimit words 150925388b6cSBruce Evans # (default is single space - \"x20\") 151078f45204SMaxim Sobolev 15117a88382dSKazutaka YOKOTA# If you have a two button mouse, you may want to add the following option 15127a88382dSKazutaka YOKOTA# to use the right button of the mouse to paste text. 15137a88382dSKazutaka YOKOTAoptions SC_TWOBUTTON_MOUSE 15147a88382dSKazutaka YOKOTA 15156e8394b8SKazutaka YOKOTA# You can selectively disable features in syscons. 15166e8394b8SKazutaka YOKOTAoptions SC_NO_CUTPASTE 15176e8394b8SKazutaka YOKOTAoptions SC_NO_FONT_LOADING 15186e8394b8SKazutaka YOKOTAoptions SC_NO_HISTORY 15196e62b069SMarius Strobloptions SC_NO_MODE_CHANGE 15206e8394b8SKazutaka YOKOTAoptions SC_NO_SYSMOUSE 1521c42946c4SMitsuru IWASAKIoptions SC_NO_SUSPEND_VTYSWITCH 1522d09131e0SBruce Evans#!options SC_NO_TERM_DUMB 1523d09131e0SBruce Evans#!options SC_NO_TERM_SC 1524d09131e0SBruce Evans#!options SC_NO_TERM_SCTEKEN 15252ac8be82SAndreas Schulz 15268a28ce0eSJohn Baldwin# `flags' for sc 15278a28ce0eSJohn Baldwin# 0x80 Put the video card in the VESA 800x600 dots, 16 color mode 15288a28ce0eSJohn Baldwin# 0x100 Probe for a keyboard device periodically if one is not present 15298a28ce0eSJohn Baldwin 153083409a55SEd Schouten# Enable experimental features of the syscons terminal emulator (teken). 1531e42fc368SEd Schoutenoptions TEKEN_CONS25 # cons25-style terminal emulation 153283409a55SEd Schoutenoptions TEKEN_UTF8 # UTF-8 output handling 153383409a55SEd Schouten 1534ccbb7b5eSEd Maste# The vt video console driver. 1535ccbb7b5eSEd Mastedevice vt 1536ccbb7b5eSEd Masteoptions VT_ALT_TO_ESC_HACK=1 # Prepend ESC sequence to ALT keys 1537ccbb7b5eSEd Masteoptions VT_MAXWINDOWS=16 # Number of virtual consoles 1538ccbb7b5eSEd Masteoptions VT_TWOBUTTON_MOUSE # Use right mouse button to paste 1539ccbb7b5eSEd Maste 1540ccbb7b5eSEd Maste# The following options set the default framebuffer size. 1541ccbb7b5eSEd Masteoptions VT_FB_DEFAULT_HEIGHT=480 1542ccbb7b5eSEd Masteoptions VT_FB_DEFAULT_WIDTH=640 1543ccbb7b5eSEd Maste 1544ccbb7b5eSEd Maste# The following options will let you change the default vt terminal colors. 1545ccbb7b5eSEd Masteoptions TERMINAL_NORM_ATTR=(FG_GREEN|BG_BLACK) 1546ccbb7b5eSEd Masteoptions TERMINAL_KERN_ATTR=(FG_LIGHTRED|BG_BLACK) 1547ccbb7b5eSEd Maste 15481fe04850SBruce Evans# 1549d61e6649SAlexander Langer# Optional devices: 15506a8d6623SGarrett Wollman# 15516a8d6623SGarrett Wollman 15526a8d6623SGarrett Wollman# 1553d61e6649SAlexander Langer# SCSI host adapters: 15546a8d6623SGarrett Wollman# 1555d61e6649SAlexander Langer# ahc: Adaptec 274x/284x/2910/293x/294x/394x/3950x/3960x/398X/4944/ 1556d61e6649SAlexander Langer# 19160x/29160x, aic7770/aic78xx 1557cdd49e97SJustin T. Gibbs# ahd: Adaptec 29320/39320 Controllers. 1558a9ab459bSMarius Strobl# esp: Emulex ESP, NCR 53C9x and QLogic FAS families based controllers 1559a9ab459bSMarius Strobl# including the AMD Am53C974 (found on devices such as the Tekram 1560a9ab459bSMarius Strobl# DC-390(T)) and the Sun ESP and FAS families of controllers 1561d61e6649SAlexander Langer# isp: Qlogic ISP 1020, 1040 and 1040B PCI SCSI host adapters, 1562d61e6649SAlexander Langer# ISP 1240 Dual Ultra SCSI, ISP 1080 and 1280 (Dual) Ultra2, 1563d61e6649SAlexander Langer# ISP 12160 Ultra3 SCSI, 1564e8a0f829SMatt Jacob# Qlogic ISP 2100 and ISP 2200 1Gb Fibre Channel host adapters. 1565e8a0f829SMatt Jacob# Qlogic ISP 2300 and ISP 2312 2Gb Fibre Channel host adapters. 1566af606348SMatt Jacob# Qlogic ISP 2322 and ISP 6322 2Gb Fibre Channel host adapters. 1567ac918c84SMatt Jacob# ispfw: Firmware module for Qlogic host adapters 1568f7ab0158SWarner Losh# mpr: LSI-Logic MPT/Fusion Gen 3 1569f7ab0158SWarner Losh# mps: LSI-Logic MPT/Fusion Gen 2 157064fa5108SMatt Jacob# mpt: LSI-Logic MPT/Fusion 53c1020 or 53c1030 Ultra4 157164fa5108SMatt Jacob# or FC9x9 Fibre Channel host adapters. 1572fb91fd69SGerard Roudier# sym: Symbios/Logic 53C8XX family of PCI-SCSI I/O processors: 1573fb91fd69SGerard Roudier# 53C810, 53C810A, 53C815, 53C825, 53C825A, 53C860, 53C875, 1574fb91fd69SGerard Roudier# 53C876, 53C885, 53C895, 53C895A, 53C896, 53C897, 53C1510D, 1575fb91fd69SGerard Roudier# 53C1010-33, 53C1010-66. 1576f3d92b26SOlivier Houchard# trm: Tekram DC395U/UW/F DC315U adapters. 1577d61e6649SAlexander Langer 1578d61e6649SAlexander Langerdevice ahc 1579cdd49e97SJustin T. Gibbsdevice ahd 15801b946e21SScott Longdevice esp 1581c5933b20SScott Longdevice iscsi_initiator 1582d61e6649SAlexander Langerdevice isp 15830787f2b8SMatt Jacobhint.isp.0.disable="1" 15840787f2b8SMatt Jacobhint.isp.0.role="3" 15850787f2b8SMatt Jacobhint.isp.0.prefer_iomap="1" 15860787f2b8SMatt Jacobhint.isp.0.prefer_memmap="1" 15870787f2b8SMatt Jacobhint.isp.0.fwload_disable="1" 15880787f2b8SMatt Jacobhint.isp.0.ignore_nvram="1" 15890787f2b8SMatt Jacobhint.isp.0.fullduplex="1" 15900787f2b8SMatt Jacobhint.isp.0.topology="lport" 15910787f2b8SMatt Jacobhint.isp.0.topology="nport" 15920787f2b8SMatt Jacobhint.isp.0.topology="lport-only" 15930787f2b8SMatt Jacobhint.isp.0.topology="nport-only" 15940787f2b8SMatt Jacob# we can't get u_int64_t types, nor can we get strings if it's got 15950787f2b8SMatt Jacob# a leading 0x, hence this silly dodge. 15960787f2b8SMatt Jacobhint.isp.0.portwnn="w50000000aaaa0000" 15970787f2b8SMatt Jacobhint.isp.0.nodewnn="w50000000aaaa0001" 1598d61e6649SAlexander Langerdevice ispfw 1599f7ab0158SWarner Loshdevice mpr # LSI-Logic MPT-Fusion 3 1600f7ab0158SWarner Loshdevice mps # LSI-Logic MPT-Fusion 2 1601f7ab0158SWarner Loshdevice mpt # LSI-Logic MPT-Fusion 1602d61e6649SAlexander Langerdevice sym 1603f3d92b26SOlivier Houcharddevice trm 1604d61e6649SAlexander Langer 1605d61e6649SAlexander Langer# The aic7xxx driver will attempt to use memory mapped I/O for all PCI 1606d61e6649SAlexander Langer# controllers that have it configured only if this option is set. Unfortunately, 1607d61e6649SAlexander Langer# this doesn't work on some motherboards, which prevents it from being the 1608d61e6649SAlexander Langer# default. 1609d61e6649SAlexander Langeroptions AHC_ALLOW_MEMIO 1610d61e6649SAlexander Langer 1611fac70739SJeroen Ruigrok van der Werven# Dump the contents of the ahc controller configuration PROM. 1612fac70739SJeroen Ruigrok van der Wervenoptions AHC_DUMP_EEPROM 1613fac70739SJeroen Ruigrok van der Werven 1614fac70739SJeroen Ruigrok van der Werven# Bitmap of units to enable targetmode operations. 1615fac70739SJeroen Ruigrok van der Wervenoptions AHC_TMODE_ENABLE 1616fac70739SJeroen Ruigrok van der Werven 1617662d3818SScott Long# Compile in Aic7xxx Debugging code. 1618662d3818SScott Longoptions AHC_DEBUG 1619662d3818SScott Long 1620662d3818SScott Long# Aic7xxx driver debugging options. See sys/dev/aic7xxx/aic7xxx.h 1621662d3818SScott Longoptions AHC_DEBUG_OPTS 1622662d3818SScott Long 1623f8f8803bSBruce Evans# Print register bitfields in debug output. Adds ~128k to driver 1624f8f8803bSBruce Evans# See ahc(4). 1625662d3818SScott Longoptions AHC_REG_PRETTY_PRINT 1626662d3818SScott Long 1627cdd49e97SJustin T. Gibbs# Compile in aic79xx debugging code. 1628cdd49e97SJustin T. Gibbsoptions AHD_DEBUG 1629cdd49e97SJustin T. Gibbs 1630f8f8803bSBruce Evans# Aic79xx driver debugging options. Adds ~215k to driver. See ahd(4). 1631cdd49e97SJustin T. Gibbsoptions AHD_DEBUG_OPTS=0xFFFFFFFF 1632cdd49e97SJustin T. Gibbs 163343e9d8a3SScott Long# Print human-readable register definitions when debugging 163443e9d8a3SScott Longoptions AHD_REG_PRETTY_PRINT 163543e9d8a3SScott Long 1636662d3818SScott Long# Bitmap of units to enable targetmode operations. 1637662d3818SScott Longoptions AHD_TMODE_ENABLE 1638662d3818SScott Long 1639c5933b20SScott Long# Options used in dev/iscsi (Software iSCSI stack) 1640c5933b20SScott Long# 1641c5933b20SScott Longoptions ISCSI_INITIATOR_DEBUG=9 1642c5933b20SScott Long 1643d61e6649SAlexander Langer# Options used in dev/isp/ (Qlogic SCSI/FC driver). 1644d61e6649SAlexander Langer# 1645d61e6649SAlexander Langer# ISP_TARGET_MODE - enable target mode operation 1646d61e6649SAlexander Langer# 164764fa5108SMatt Jacoboptions ISP_TARGET_MODE=1 1648af606348SMatt Jacob# 16499a1b0d43SMatt Jacob# ISP_DEFAULT_ROLES - default role 16509a1b0d43SMatt Jacob# none=0 16519a1b0d43SMatt Jacob# target=1 16529a1b0d43SMatt Jacob# initiator=2 16539a1b0d43SMatt Jacob# both=3 (not supported currently) 1654af606348SMatt Jacob# 165515f0f952SMatt Jacob# ISP_INTERNAL_TARGET (trivial internal disk target, for testing) 165615f0f952SMatt Jacob# 1657e2873b76SMatt Jacoboptions ISP_DEFAULT_ROLES=0 1658d61e6649SAlexander Langer 1659d61e6649SAlexander Langer#options SYM_SETUP_SCSI_DIFF #-HVD support for 825a, 875, 885 1660d61e6649SAlexander Langer # disabled:0 (default), enabled:1 1661d61e6649SAlexander Langer#options SYM_SETUP_PCI_PARITY #-PCI parity checking 1662d61e6649SAlexander Langer # disabled:0, enabled:1 (default) 1663d61e6649SAlexander Langer#options SYM_SETUP_MAX_LUN #-Number of LUNs supported 1664d61e6649SAlexander Langer # default:8, range:[1..64] 16656a8d6623SGarrett Wollman 16666e818956SDavid E. O'Brien# 16676e818956SDavid E. O'Brien# Compaq "CISS" RAID controllers (SmartRAID 5* series) 16686e818956SDavid E. O'Brien# These controllers have a SCSI-like interface, and require the 16696e818956SDavid E. O'Brien# CAM infrastructure. 16706e818956SDavid E. O'Brien# 16716e818956SDavid E. O'Briendevice ciss 16726e818956SDavid E. O'Brien 16736e818956SDavid E. O'Brien# 16746e818956SDavid E. O'Brien# Intel Integrated RAID controllers. 16756e818956SDavid E. O'Brien# This driver was developed and is maintained by Intel. Contacts 16766e818956SDavid E. O'Brien# at Intel for this driver are 16776e818956SDavid E. O'Brien# "Kannanthanam, Boji T" <boji.t.kannanthanam@intel.com> and 16786e818956SDavid E. O'Brien# "Leubner, Achim" <achim.leubner@intel.com>. 16796e818956SDavid E. O'Brien# 16806e818956SDavid E. O'Briendevice iir 16816e818956SDavid E. O'Brien 16826e818956SDavid E. O'Brien# 16836e818956SDavid E. O'Brien# Mylex AcceleRAID and eXtremeRAID controllers with v6 and later 16846e818956SDavid E. O'Brien# firmware. These controllers have a SCSI-like interface, and require 16856e818956SDavid E. O'Brien# the CAM infrastructure. 16866e818956SDavid E. O'Brien# 16876e818956SDavid E. O'Briendevice mly 16886e818956SDavid E. O'Brien 16896e818956SDavid E. O'Brien# 16906e818956SDavid E. O'Brien# Compaq Smart RAID, Mylex DAC960 and AMI MegaRAID controllers. Only 16916e818956SDavid E. O'Brien# one entry is needed; the code will find and configure all supported 16926e818956SDavid E. O'Brien# controllers. 16936e818956SDavid E. O'Brien# 16946e818956SDavid E. O'Briendevice ida # Compaq Smart RAID 16956e818956SDavid E. O'Briendevice mlx # Mylex DAC960 16966e818956SDavid E. O'Briendevice amr # AMI MegaRAID 169764c71632SScott Longdevice amrp # SCSI Passthrough interface (optional, CAM req.) 16987f631a41SScott Longdevice mfi # LSI MegaRAID SAS 1699f366931cSScott Longdevice mfip # LSI MegaRAID SAS passthrough, requires CAM 17006b31d3f7SScott Longoptions MFI_DEBUG 1701a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 17026e818956SDavid E. O'Brien 17036e818956SDavid E. O'Brien# 17046e818956SDavid E. O'Brien# 3ware ATA RAID 17056e818956SDavid E. O'Brien# 17066e818956SDavid E. O'Briendevice twe # 3ware ATA RAID 17076e818956SDavid E. O'Brien 170890d3341eSPeter Wemm# 1709e19ef875SAlexander Motin# Serial ATA host controllers: 1710e19ef875SAlexander Motin# 1711e19ef875SAlexander Motin# ahci: Advanced Host Controller Interface (AHCI) compatible 1712dd48af36SAlexander Motin# mvs: Marvell 88SX50XX/88SX60XX/88SX70XX/SoC controllers 1713e19ef875SAlexander Motin# siis: SiliconImage SiI3124/SiI3132/SiI3531 controllers 17141a00526bSAlexander Motin# 17151a00526bSAlexander Motin# These drivers are part of cam(4) subsystem. They supersede less featured 17161a00526bSAlexander Motin# ata(4) subsystem drivers, supporting same hardware. 1717e19ef875SAlexander Motin 1718e19ef875SAlexander Motindevice ahci 1719dd48af36SAlexander Motindevice mvs 1720e19ef875SAlexander Motindevice siis 1721e19ef875SAlexander Motin 1722e19ef875SAlexander Motin# 172345f6d665SAlexander Motin# The 'ATA' driver supports all legacy ATA/ATAPI controllers, including 172445f6d665SAlexander Motin# PC Card devices. You only need one "device ata" for it to find all 17256d04301dSAlexander Langer# PCI and PC Card ATA/ATAPI devices on modern machines. 1726c4bda3c6SAlexander Motin# Alternatively, individual bus and chipset drivers may be chosen by using 1727c4bda3c6SAlexander Motin# the 'atacore' driver then selecting the drivers on a per vendor basis. 1728c4bda3c6SAlexander Motin# For example to build a system which only supports a VIA chipset, 1729c4bda3c6SAlexander Motin# omit 'ata' and include the 'atacore', 'atapci' and 'atavia' drivers. 1730c9953c3bSPeter Wemmdevice ata 1731c4bda3c6SAlexander Motin 1732c4bda3c6SAlexander Motin# Modular ATA 1733c4bda3c6SAlexander Motin#device atacore # Core ATA functionality 17345a62e92fSAlexander Motin#device atapccard # CARDBUS support 1735c4bda3c6SAlexander Motin#device ataisa # ISA bus support 1736c4bda3c6SAlexander Motin#device atapci # PCI bus support; only generic chipset support 1737c4bda3c6SAlexander Motin 1738c4bda3c6SAlexander Motin# PCI ATA chipsets 1739c4bda3c6SAlexander Motin#device ataacard # ACARD 1740c4bda3c6SAlexander Motin#device ataacerlabs # Acer Labs Inc. (ALI) 1741c4bda3c6SAlexander Motin#device ataamd # American Micro Devices (AMD) 1742c4bda3c6SAlexander Motin#device ataati # ATI 1743c4bda3c6SAlexander Motin#device atacenatek # Cenatek 1744c4bda3c6SAlexander Motin#device atacypress # Cypress 1745c4bda3c6SAlexander Motin#device atacyrix # Cyrix 1746c4bda3c6SAlexander Motin#device atahighpoint # HighPoint 1747c4bda3c6SAlexander Motin#device ataintel # Intel 1748c4bda3c6SAlexander Motin#device ataite # Integrated Technology Inc. (ITE) 1749c4bda3c6SAlexander Motin#device atajmicron # JMicron 1750c4bda3c6SAlexander Motin#device atamarvell # Marvell 1751c4bda3c6SAlexander Motin#device atamicron # Micron 1752c4bda3c6SAlexander Motin#device atanational # National 1753c4bda3c6SAlexander Motin#device atanetcell # NetCell 1754c4bda3c6SAlexander Motin#device atanvidia # nVidia 1755c4bda3c6SAlexander Motin#device atapromise # Promise 1756c4bda3c6SAlexander Motin#device ataserverworks # ServerWorks 1757c4bda3c6SAlexander Motin#device atasiliconimage # Silicon Image Inc. (SiI) (formerly CMD) 1758c4bda3c6SAlexander Motin#device atasis # Silicon Integrated Systems Corp.(SiS) 1759c4bda3c6SAlexander Motin#device atavia # VIA Technologies Inc. 1760c4bda3c6SAlexander Motin 17618b89ef0aSSøren Schmidt# 17626d04301dSAlexander Langer# For older non-PCI, non-PnPBIOS systems, these are the hints lines to add: 17636d04301dSAlexander Langerhint.ata.0.at="isa" 17646d04301dSAlexander Langerhint.ata.0.port="0x1f0" 17656d04301dSAlexander Langerhint.ata.0.irq="14" 17666d04301dSAlexander Langerhint.ata.1.at="isa" 17676d04301dSAlexander Langerhint.ata.1.port="0x170" 17686d04301dSAlexander Langerhint.ata.1.irq="15" 17696d04301dSAlexander Langer 17706d04301dSAlexander Langer# 17716d04301dSAlexander Langer# Standard floppy disk controllers and floppy tapes, supports 17726d04301dSAlexander Langer# the Y-E DATA External FDD (PC Card) 17736a8d6623SGarrett Wollman# 1774f71c01ccSPeter Wemmdevice fdc 1775f71c01ccSPeter Wemmhint.fdc.0.at="isa" 1776f71c01ccSPeter Wemmhint.fdc.0.port="0x3F0" 1777f71c01ccSPeter Wemmhint.fdc.0.irq="6" 1778f71c01ccSPeter Wemmhint.fdc.0.drq="2" 177985827d9cSJoerg Wunsch# 1780fc5bae39SSevan Janiyan# FDC_DEBUG enables floppy debugging. Since the debug output is huge, you 1781fc5bae39SSevan Janiyan# gotta turn it actually on by setting the variable fd_debug with DDB, 1782fc5bae39SSevan Janiyan# however. 1783fc5bae39SSevan Janiyanoptions FDC_DEBUG 1784fc5bae39SSevan Janiyan# 1785f71c01ccSPeter Wemm# Activate this line if you happen to have an Insight floppy tape. 1786f71c01ccSPeter Wemm# Probing them proved to be dangerous for people with floppy disks only, 1787f71c01ccSPeter Wemm# so it's "hidden" behind a flag: 1788f71c01ccSPeter Wemm#hint.fdc.0.flags="1" 178985827d9cSJoerg Wunsch 1790f71c01ccSPeter Wemm# Specify floppy devices 1791f71c01ccSPeter Wemmhint.fd.0.at="fdc0" 1792f71c01ccSPeter Wemmhint.fd.0.drive="0" 1793f71c01ccSPeter Wemmhint.fd.1.at="fdc0" 1794f71c01ccSPeter Wemmhint.fd.1.drive="1" 179585827d9cSJoerg Wunsch 17966a8d6623SGarrett Wollman# 1797501ef98fSMarcel Moolenaar# uart: newbusified driver for serial interfaces. It consolidates the sio(4), 1798501ef98fSMarcel Moolenaar# sab(4) and zs(4) drivers. 1799c8956b36SMarcel Moolenaar# 1800501ef98fSMarcel Moolenaardevice uart 1801501ef98fSMarcel Moolenaar 18028194412bSMarcel Moolenaar# Options for uart(4) 18038194412bSMarcel Moolenaaroptions UART_PPS_ON_CTS # Do time pulse capturing using CTS 18048194412bSMarcel Moolenaar # instead of DCD. 18051662b008SIan Leporeoptions UART_POLL_FREQ # Set polling rate, used when hw has 18061662b008SIan Lepore # no interrupt support (50 Hz default). 18078194412bSMarcel Moolenaar 1808501ef98fSMarcel Moolenaar# The following hint should only be used for pure ISA devices. It is not 1809501ef98fSMarcel Moolenaar# needed otherwise. Use of hints is strongly discouraged. 1810501ef98fSMarcel Moolenaarhint.uart.0.at="isa" 1811501ef98fSMarcel Moolenaar 1812c8956b36SMarcel Moolenaar# The following 3 hints are used when the UART is a system device (i.e., a 1813c8956b36SMarcel Moolenaar# console or debug port), but only on platforms that don't have any other 1814c8956b36SMarcel Moolenaar# means to pass the information to the kernel. The unit number of the hint 1815c8956b36SMarcel Moolenaar# is only used to bundle the hints together. There is no relation to the 1816c8956b36SMarcel Moolenaar# unit number of the probed UART. 1817501ef98fSMarcel Moolenaarhint.uart.0.port="0x3f8" 1818501ef98fSMarcel Moolenaarhint.uart.0.flags="0x10" 1819501ef98fSMarcel Moolenaarhint.uart.0.baud="115200" 1820501ef98fSMarcel Moolenaar 1821501ef98fSMarcel Moolenaar# `flags' for serial drivers that support consoles like sio(4) and uart(4): 1822c8956b36SMarcel Moolenaar# 0x10 enable console support for this unit. Other console flags 1823c8956b36SMarcel Moolenaar# (if applicable) are ignored unless this is set. Enabling 1824c8956b36SMarcel Moolenaar# console support does not make the unit the preferred console. 1825c8956b36SMarcel Moolenaar# Boot with -h or set boot_serial=YES in the loader. For sio(4) 1826c8956b36SMarcel Moolenaar# specifically, the 0x20 flag can also be set (see above). 1827c8956b36SMarcel Moolenaar# Currently, at most one unit can have console support; the 1828c8956b36SMarcel Moolenaar# first one (in config file order) with this flag set is 1829d51e8487SJosh Paetzel# preferred. Setting this flag for sio0 gives the old behavior. 1830c8956b36SMarcel Moolenaar# 0x80 use this port for serial line gdb support in ddb. Also known 1831c8956b36SMarcel Moolenaar# as debug port. 18329546766aSBruce Evans# 18339546766aSBruce Evans 1834501ef98fSMarcel Moolenaar# Options for serial drivers that support consoles: 183591ed2fecSJohn-Mark Gurneyoptions BREAK_TO_DEBUGGER # A BREAK/DBG on the console goes to 1836c8956b36SMarcel Moolenaar # ddb, if available. 18376a8d6623SGarrett Wollman 183826b6ea69SPaul Saab# Solaris implements a new BREAK which is initiated by a character 183926b6ea69SPaul Saab# sequence CR ~ ^b which is similar to a familiar pattern used on 18409c0ef6d5SOliver Fromme# Sun servers by the Remote Console. There are FreeBSD extensions: 1841c7b3d8e2SMaxim Konovalov# CR ~ ^p requests force panic and CR ~ ^r requests a clean reboot. 184226b6ea69SPaul Saaboptions ALT_BREAK_TO_DEBUGGER 184326b6ea69SPaul Saab 1844af2e25a6SMarcel Moolenaar# Serial Communications Controller 1845af2e25a6SMarcel Moolenaar# Supports the Siemens SAB 82532 and Zilog Z8530 multi-channel 1846af2e25a6SMarcel Moolenaar# communications controllers. 1847af2e25a6SMarcel Moolenaardevice scc 1848af2e25a6SMarcel Moolenaar 18499c564b6cSJohn Hay# PCI Universal Communications driver 185064220a7eSMarcel Moolenaar# Supports various multi port PCI I/O cards. 18519c564b6cSJohn Haydevice puc 18529c564b6cSJohn Hay 18536a8d6623SGarrett Wollman# 1854d61e6649SAlexander Langer# Network interfaces: 18556a8d6623SGarrett Wollman# 1856dfd77572SJohn Baldwin# MII bus support is required for many PCI Ethernet NICs, 1857d61e6649SAlexander Langer# namely those which use MII-compliant transceivers or implement 18583c7c6c12SMike Pritchard# transceiver control interfaces that operate like an MII. Adding 18598c1093fcSMarius Strobl# "device miibus" to the kernel config pulls in support for the generic 18608c1093fcSMarius Strobl# miibus API, the common support for for bit-bang'ing the MII and all 18618c1093fcSMarius Strobl# of the PHY drivers, including a generic one for PHYs that aren't 18628c1093fcSMarius Strobl# specifically handled by an individual driver. Support for specific 18638c1093fcSMarius Strobl# PHYs may be built by adding "device mii", "device mii_bitbang" if 18648c1093fcSMarius Strobl# needed by the NIC driver and then adding the appropriate PHY driver. 1865dfd77572SJohn Baldwindevice mii # Minimal MII support 18668c1093fcSMarius Strobldevice mii_bitbang # Common module for bit-bang'ing the MII 18678c1093fcSMarius Strobldevice miibus # MII support w/ bit-bang'ing and all PHYs 1868dfd77572SJohn Baldwin 1869dfd77572SJohn Baldwindevice acphy # Altima Communications AC101 1870dfd77572SJohn Baldwindevice amphy # AMD AM79c873 / Davicom DM910{1,2} 1871dfd77572SJohn Baldwindevice atphy # Attansic/Atheros F1 1872dfd77572SJohn Baldwindevice axphy # Asix Semiconductor AX88x9x 1873dfd77572SJohn Baldwindevice bmtphy # Broadcom BCM5201/BCM5202 and 3Com 3c905C 1874d933e97fSStephen Hurddevice bnxt # Broadcom NetXtreme-C/NetXtreme-E 1875dfd77572SJohn Baldwindevice brgphy # Broadcom BCM54xx/57xx 1000baseTX 1876dfd77572SJohn Baldwindevice ciphy # Cicada/Vitesse CS/VSC8xxx 1877dfd77572SJohn Baldwindevice e1000phy # Marvell 88E1000 1000/100/10-BT 1878dfd77572SJohn Baldwindevice gentbi # Generic 10-bit 1000BASE-{LX,SX} fiber ifaces 1879dfd77572SJohn Baldwindevice icsphy # ICS ICS1889-1893 1880dfd77572SJohn Baldwindevice ip1000phy # IC Plus IP1000A/IP1001 1881dfd77572SJohn Baldwindevice jmphy # JMicron JMP211/JMP202 1882dfd77572SJohn Baldwindevice lxtphy # Level One LXT-970 1883dfd77572SJohn Baldwindevice mlphy # Micro Linear 6692 1884dfd77572SJohn Baldwindevice nsgphy # NatSemi DP8361/DP83865/DP83891 1885dfd77572SJohn Baldwindevice nsphy # NatSemi DP83840A 1886dfd77572SJohn Baldwindevice nsphyter # NatSemi DP83843/DP83815 1887dfd77572SJohn Baldwindevice pnaphy # HomePNA 1888dfd77572SJohn Baldwindevice qsphy # Quality Semiconductor QS6612 1889e6713fe5SPyun YongHyeondevice rdcphy # RDC Semiconductor R6040 1890dfd77572SJohn Baldwindevice rgephy # RealTek 8169S/8110S/8211B/8211C 1891dfd77572SJohn Baldwindevice rlphy # RealTek 8139 1892dfd77572SJohn Baldwindevice rlswitch # RealTek 8305 1893dfd77572SJohn Baldwindevice smcphy # SMSC LAN91C111 1894dfd77572SJohn Baldwindevice tdkphy # TDK 89Q2120 1895dfd77572SJohn Baldwindevice tlphy # Texas Instruments ThunderLAN 1896dfd77572SJohn Baldwindevice truephy # LSI TruePHY 1897dfd77572SJohn Baldwindevice xmphy # XaQti XMAC II 1898d61e6649SAlexander Langer 18997f5092f3SJohn Baldwin# an: Aironet 4500/4800 802.11 wireless adapters. Supports the PCMCIA, 19007f5092f3SJohn Baldwin# PCI and ISA varieties. 1901ba26d470SStanislav Sedov# ae: Support for gigabit ethernet adapters based on the Attansic/Atheros 1902ba26d470SStanislav Sedov# L2 PCI-Express FastEthernet controllers. 1903cfef026aSPyun YongHyeon# age: Support for gigabit ethernet adapters based on the Attansic/Atheros 1904cfef026aSPyun YongHyeon# L1 PCI express gigabit ethernet controllers. 1905d68875ebSPyun YongHyeon# alc: Support for Atheros AR8131/AR8132 PCIe ethernet controllers. 19063c6e15bcSPyun YongHyeon# ale: Support for Atheros AR8121/AR8113/AR8114 PCIe ethernet controllers. 1907390cee87SJohn Baldwin# ath: Atheros a/b/g WiFi adapters (requires ath_hal and wlan) 1908343ed0a8SJohn Baldwin# bce: Broadcom NetXtreme II (BCM5706/BCM5708) PCI/PCIe Gigabit Ethernet 1909343ed0a8SJohn Baldwin# adapters. 1910343ed0a8SJohn Baldwin# bfe: Broadcom BCM4401 Ethernet adapter. 191195d67482SBill Paul# bge: Support for gigabit ethernet adapters based on the Broadcom 1912586d7c2eSJohn Polstra# BCM570x family of controllers, including the 3Com 3c996-T, 1913586d7c2eSJohn Polstra# the Netgear GA302T, the SysKonnect SK-9D21 and SK-9D41, and 1914586d7c2eSJohn Polstra# the embedded gigE NICs on Dell PowerEdge 2550 servers. 1915d933e97fSStephen Hurd# bnxt: Broadcom NetXtreme-C and NetXtreme-E PCIe 10/25/50G Ethernet adapters. 19164e400768SDavid Christensen# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 1917dd46ab31SDavid Christensen# adapters. 19183132ad0dSWarner Losh# bwi: Broadcom BCM430* and BCM431* family of wireless adapters. 1919eb5ef23cSWeongyo Jeong# bwn: Broadcom BCM43xx family of wireless adapters. 1920119051cbSMarius Strobl# cas: Sun Cassini/Cassini+ and National Semiconductor DP83065 Saturn 1921ca7fe84aSNavdeep Parhar# cxgb: Chelsio T3 based 1GbE/10GbE PCIe Ethernet adapters. 1922a74031a5SJohn Baldwin# cxgbe:Chelsio T4, T5, and T6-based 1/10/25/40/100GbE PCIe Ethernet 192324957938SJohn Baldwin# adapters. 192424957938SJohn Baldwin# cxgbev: Chelsio T4, T5, and T6-based PCIe Virtual Functions. 1925d61e6649SAlexander Langer# dc: Support for PCI fast ethernet adapters based on the DEC/Intel 21143 1926d61e6649SAlexander Langer# and various workalikes including: 1927d61e6649SAlexander Langer# the ADMtek AL981 Comet and AN985 Centaur, the ASIX Electronics 1928d61e6649SAlexander Langer# AX88140A and AX88141, the Davicom DM9100 and DM9102, the Lite-On 1929d61e6649SAlexander Langer# 82c168 and 82c169 PNIC, the Lite-On/Macronix LC82C115 PNIC II 1930d61e6649SAlexander Langer# and the Macronix 98713/98713A/98715/98715A/98725 PMAC. This driver 1931d61e6649SAlexander Langer# replaces the old al, ax, dm, pn and mx drivers. List of brands: 1932d61e6649SAlexander Langer# Digital DE500-BA, Kingston KNE100TX, D-Link DFE-570TX, SOHOware SFA110, 1933d61e6649SAlexander Langer# SVEC PN102-TX, CNet Pro110B, 120A, and 120B, Compex RL100-TX, 1934d61e6649SAlexander Langer# LinkSys LNE100TX, LNE100TX V2.0, Jaton XpressNet, Alfa Inc GFC2204, 1935d61e6649SAlexander Langer# KNE110TX. 1936a59716d2SPrafulla Deuskar# em: Intel Pro/1000 Gigabit Ethernet 82542, 82543, 82544 based adapters. 1937d61e6649SAlexander Langer# fxp: Intel EtherExpress Pro/100B 1938cf87044eSMatt Jacob# (hint of prefer_iomap can be done to prefer I/O instead of Mem mapping) 19391ed3fed7SMarius Strobl# gem: Apple GMAC/Sun ERI/Sun GEM 194052c07e1cSMarius Strobl# hme: Sun HME (Happy Meal Ethernet) 194175a1bf5fSPyun YongHyeon# jme: JMicron JMC260 Fast Ethernet/JMC250 Gigabit Ethernet based adapters. 194244ac0964SMarius Strobl# le: AMD Am7900 LANCE and Am79C9xx PCnet 1943c678bc4fSBill Paul# lge: Support for PCI gigabit ethernet adapters based on the Level 1 1944c678bc4fSBill Paul# LXT1001 NetCellerator chipset. This includes the D-Link DGE-500SX, 1945c678bc4fSBill Paul# SMC TigerCard 1000 (SMC9462SX), and some Addtron cards. 1946f173c2b7SSean Bruno# lio: Support for Cavium 23XX Ethernet adapters 1947d1f25d5dSBernhard Schmidt# malo: Marvell Libertas wireless NICs. 1948d1f25d5dSBernhard Schmidt# mwl: Marvell 88W8363 802.11n wireless NICs. 1949778eefa4SJohn Baldwin# Requires the mwl firmware module 1950778eefa4SJohn Baldwin# mwlfw: Marvell 88W8363 firmware 1951c9d21ce9SPyun YongHyeon# msk: Support for gigabit ethernet adapters based on the Marvell/SysKonnect 1952c9d21ce9SPyun YongHyeon# Yukon II Gigabit controllers, including 88E8021, 88E8022, 88E8061, 1953c9d21ce9SPyun YongHyeon# 88E8062, 88E8035, 88E8036, 88E8038, 88E8050, 88E8052, 88E8053, 1954c9d21ce9SPyun YongHyeon# 88E8055, 88E8056 and D-Link 560T/550SX. 1955c9c8bf05SHans Petter Selasky# mlxfw: Mellanox firmware update module. 195622f2c49aSHans Petter Selasky# mlx5: Mellanox ConnectX-4 and ConnectX-4 LX IB and Eth shared code module. 195722f2c49aSHans Petter Selasky# mlx5en:Mellanox ConnectX-4 and ConnectX-4 LX PCIe Ethernet adapters. 1958d3d67116SMaxim Sobolev# my: Myson Fast Ethernet (MTD80X, MTD89X) 1959ce4946daSBill Paul# nge: Support for PCI gigabit ethernet adapters based on the National 1960ce4946daSBill Paul# Semiconductor DP83820 and DP83821 chipset. This includes the 1961ce4946daSBill Paul# SMC EZ Card 1000 (SMC9462TX), D-Link DGE-500T, Asante FriendlyNet 1962cc2824b8SBjoern A. Zeeb# GigaNIX 1000TA and 1000TPC, the Addtron AEG320T, the Surecom 1963cc2824b8SBjoern A. Zeeb# EP-320G-TX and the Netgear GA622T. 19642f345d8eSLuigi Rizzo# oce: Emulex 10 Gbit adapters (OneConnect Ethernet) 1965390cee87SJohn Baldwin# ral: Ralink Technology IEEE 802.11 wireless adapter 19660587cad8SPyun YongHyeon# re: RealTek 8139C+/8169/816xS/811xS/8101E PCI/PCIe Ethernet adapter 1967d61e6649SAlexander Langer# rl: Support for PCI fast ethernet adapters based on the RealTek 8129/8139 1968d61e6649SAlexander Langer# chipset. Note that the RealTek driver defaults to using programmed 1969d61e6649SAlexander Langer# I/O to do register accesses because memory mapped mode seems to cause 1970d61e6649SAlexander Langer# severe lockups on SMP hardware. This driver also supports the 1971d61e6649SAlexander Langer# Accton EN1207D `Cheetah' adapter, which uses a chip called 1972d61e6649SAlexander Langer# the MPX 5030/5038, which is either a RealTek in disguise or a 1973d61e6649SAlexander Langer# RealTek workalike. Note that the D-Link DFE-530TX+ uses the RealTek 1974d61e6649SAlexander Langer# chipset and is supported by this driver, not the 'vr' driver. 1975b38b13d8SKevin Lo# rtwn: RealTek wireless adapters. 1976b38b13d8SKevin Lo# rtwnfw: RealTek wireless firmware. 1977d193ed0bSPyun YongHyeon# sge: Silicon Integrated Systems SiS190/191 Fast/Gigabit Ethernet adapter 1978b2ca5572SAlexander Langer# sis: Support for NICs based on the Silicon Integrated Systems SiS 900, 1979b2ca5572SAlexander Langer# SiS 7016 and NS DP83815 PCI fast ethernet controller chips. 1980d61e6649SAlexander Langer# sk: Support for the SysKonnect SK-984x series PCI gigabit ethernet NICs. 1981d61e6649SAlexander Langer# This includes the SK-9841 and SK-9842 single port cards (single mode 1982d61e6649SAlexander Langer# and multimode fiber) and the SK-9843 and SK-9844 dual port cards 1983d61e6649SAlexander Langer# (also single mode and multimode). 1984d61e6649SAlexander Langer# The driver will autodetect the number of ports on the card and 1985d61e6649SAlexander Langer# attach each one as a separate network interface. 1986d61e6649SAlexander Langer# ste: Sundance Technologies ST201 PCI fast ethernet controller, includes 1987d61e6649SAlexander Langer# the D-Link DFE-550TX. 1988d497bdf1SPyun YongHyeon# stge: Support for gigabit ethernet adapters based on the Sundance/Tamarack 1989d497bdf1SPyun YongHyeon# TC9021 family of controllers, including the Sundance ST2021/ST2023, 1990d497bdf1SPyun YongHyeon# the Sundance/Tamarack TC9021, the D-Link DL-4000 and ASUS NX1101. 1991d61e6649SAlexander Langer# ti: Support for PCI gigabit ethernet NICs based on the Alteon Networks 1992d61e6649SAlexander Langer# Tigon 1 and Tigon 2 chipsets. This includes the Alteon AceNIC, the 1993c86eb67fSDmitry Morozovsky# 3Com 3c985, the Netgear GA620 and various others. Note that you will 1994c86eb67fSDmitry Morozovsky# probably want to bump up kern.ipc.nmbclusters a lot to use this driver. 1995d61e6649SAlexander Langer# vr: Support for various fast ethernet adapters based on the VIA 1996d61e6649SAlexander Langer# Technologies VT3043 `Rhine I' and VT86C100A `Rhine II' chips, 1997e83bcc01SGavin Atkinson# including the D-Link DFE520TX and D-Link DFE530TX (see 'rl' for 1998e83bcc01SGavin Atkinson# DFE530TX+), the Hawking Technologies PN102TX, and the AOpen/Acer ALN-320. 19992608aefcSPyun YongHyeon# vte: DM&P Vortex86 RDC R6040 Fast Ethernet 20007f5092f3SJohn Baldwin# wi: Lucent WaveLAN/IEEE 802.11 PCMCIA adapters. Note: this supports both 20017f5092f3SJohn Baldwin# the PCMCIA and ISA cards: the ISA card is really a PCMCIA to ISA 20027f5092f3SJohn Baldwin# bridge with a PCMCIA adapter plugged into it. 2003d61e6649SAlexander Langer# xl: Support for the 3Com 3c900, 3c905, 3c905B and 3c905C (Fast) 2004d61e6649SAlexander Langer# Etherlink XL cards and integrated controllers. This includes the 2005d61e6649SAlexander Langer# integrated 3c905B-TX chips in certain Dell Optiplex and Dell 2006d61e6649SAlexander Langer# Precision desktop machines and the integrated 3c905-TX chips 2007d61e6649SAlexander Langer# in Dell Latitude laptop docking stations. 2008d61e6649SAlexander Langer# Also supported: 3Com 3c980(C)-TX, 3Com 3cSOHO100-TX, 3Com 3c450-TX 2009d61e6649SAlexander Langer 201086d99b68SWarner Losh# Order for ISA devices is important here 20117f5092f3SJohn Baldwin 20127f5092f3SJohn Baldwindevice an 20137f5092f3SJohn Baldwindevice wi 20147f5092f3SJohn Baldwin 2015d61e6649SAlexander Langer# PCI Ethernet NICs that use the common MII bus controller code. 2016ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 2017cfef026aSPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 2018d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 20193c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 2020343ed0a8SJohn Baldwindevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2021343ed0a8SJohn Baldwindevice bfe # Broadcom BCM440x 10/100 Ethernet 2022343ed0a8SJohn Baldwindevice bge # Broadcom BCM570xx Gigabit Ethernet 2023119051cbSMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 2024d61e6649SAlexander Langerdevice dc # DEC/Intel 21143 and various workalikes 20254d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 20264664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 20274664a8d5SJonathan Lemonhint.fxp.0.prefer_iomap="0" 20281ed3fed7SMarius Strobldevice gem # Apple GMAC/Sun ERI/Sun GEM 202952c07e1cSMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 20300587cad8SPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2031343ed0a8SJohn Baldwindevice lge # Level 1 LXT1001 gigabit Ethernet 2032c9c8bf05SHans Petter Selaskydevice mlxfw # Mellanox firmware update module 203322f2c49aSHans Petter Selaskydevice mlx5 # Shared code module between IB and Ethernet 203422f2c49aSHans Petter Selaskydevice mlx5en # Mellanox ConnectX-4 and ConnectX-4 LX 20350587cad8SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 2036d3d67116SMaxim Sobolevdevice my # Myson Fast Ethernet (MTD80X, MTD89X) 2037343ed0a8SJohn Baldwindevice nge # NatSemi DP83820 gigabit Ethernet 20380587cad8SPyun YongHyeondevice re # RealTek 8139C+/8169/8169S/8110S 2039d61e6649SAlexander Langerdevice rl # RealTek 8129/8139 2040d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 2041d61e6649SAlexander Langerdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2042343ed0a8SJohn Baldwindevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 2043d61e6649SAlexander Langerdevice ste # Sundance ST201 (D-Link DFE-550TX) 20440587cad8SPyun YongHyeondevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2045d61e6649SAlexander Langerdevice vr # VIA Rhine, Rhine II 20462608aefcSPyun YongHyeondevice vte # DM&P Vortex86 RDC R6040 Fast Ethernet 2047d61e6649SAlexander Langerdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 2048d61e6649SAlexander Langer 2049c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 2050c75f49f7SKonstantin Belousovdevice iflib 2051c75f49f7SKonstantin Belousovdevice em # Intel Pro/1000 Gigabit Ethernet 2052c75f49f7SKonstantin Belousovdevice ix # Intel Pro/10Gbe PCIE Ethernet 2053c75f49f7SKonstantin Belousovdevice ixv # Intel Pro/10Gbe PCIE Ethernet VF 2054c75f49f7SKonstantin Belousov 2055d61e6649SAlexander Langer# PCI Ethernet NICs. 20567f687043SJohn Baldwindevice cxgb # Chelsio T3 10 Gigabit Ethernet 20577f687043SJohn Baldwindevice cxgb_t3fw # Chelsio T3 10 Gigabit Ethernet firmware 2058a74031a5SJohn Baldwindevice cxgbe # Chelsio T4-T6 1/10/25/40/100 Gigabit Ethernet 2059a74031a5SJohn Baldwindevice cxgbev # Chelsio T4-T6 Virtual Functions 206044ac0964SMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2061f9ae0280SAndrew Gallatindevice mxge # Myricom Myri-10G 10GbE NIC 20622f345d8eSLuigi Rizzodevice oce # Emulex 10 GbE (OneConnect Ethernet) 20636e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 2064d61e6649SAlexander Langer 2065390cee87SJohn Baldwin# PCI IEEE 802.11 Wireless NICs 2066390cee87SJohn Baldwindevice ath # Atheros pci/cardbus NIC's 2067390cee87SJohn Baldwindevice ath_hal # pci/cardbus chip support 2068390cee87SJohn Baldwin#device ath_ar5210 # AR5210 chips 2069390cee87SJohn Baldwin#device ath_ar5211 # AR5211 chips 2070390cee87SJohn Baldwin#device ath_ar5212 # AR5212 chips 2071390cee87SJohn Baldwin#device ath_rf2413 2072390cee87SJohn Baldwin#device ath_rf2417 2073390cee87SJohn Baldwin#device ath_rf2425 2074390cee87SJohn Baldwin#device ath_rf5111 2075390cee87SJohn Baldwin#device ath_rf5112 2076390cee87SJohn Baldwin#device ath_rf5413 2077390cee87SJohn Baldwin#device ath_ar5416 # AR5416 chips 2078bc391cb2SWarner Losh# All of the AR5212 parts have a problem when paired with the AR71xx 2079bc391cb2SWarner Losh# CPUS. These parts have a bug that triggers a fatal bus error on the AR71xx 2080bc391cb2SWarner Losh# only. Details of the exact nature of the bug are sketchy, but some can be 2081bc391cb2SWarner Losh# found at https://forum.openwrt.org/viewtopic.php?pid=70060 on pages 4, 5 and 2082bc391cb2SWarner Losh# 6. This option enables this workaround. There is a performance penalty 2083bc391cb2SWarner Losh# for this work around, but without it things don't work at all. The DMA 2084bc391cb2SWarner Losh# from the card usually bursts 128 bytes, but on the affected CPUs, only 2085bc391cb2SWarner Losh# 4 are safe. 2086bc391cb2SWarner Loshoptions AH_RXCFG_SDMAMW_4BYTES 2087390cee87SJohn Baldwin#device ath_ar9160 # AR9160 chips 2088390cee87SJohn Baldwin#device ath_ar9280 # AR9280 chips 208958c4a5a1SRui Paulo#device ath_ar9285 # AR9285 chips 2090390cee87SJohn Baldwindevice ath_rate_sample # SampleRate tx rate control for ath 2091390cee87SJohn Baldwindevice bwi # Broadcom BCM430* BCM431* 2092eb5ef23cSWeongyo Jeongdevice bwn # Broadcom BCM43xx 2093d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 2094d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 2095778eefa4SJohn Baldwindevice mwlfw 2096390cee87SJohn Baldwindevice ral # Ralink Technology RT2500 wireless NICs. 2097b38b13d8SKevin Lodevice rtwn # Realtek wireless NICs 2098b38b13d8SKevin Lodevice rtwnfw 2099390cee87SJohn Baldwin 210010a4360cSPyun YongHyeon# Use sf_buf(9) interface for jumbo buffers on ti(4) controllers. 210110a4360cSPyun YongHyeon#options TI_SF_BUF_JUMBO 210298cb733cSKenneth D. Merry# Turn on the header splitting option for the ti(4) driver firmware. This 210398cb733cSKenneth D. Merry# only works for Tigon II chips, and has no effect for Tigon I chips. 210410a4360cSPyun YongHyeon# This option requires the TI_SF_BUF_JUMBO option above. 2105b590f210SPyun YongHyeon#options TI_JUMBO_HDRSPLIT 210698cb733cSKenneth D. Merry 21072c8f5a28SKenneth D. Merry# These two options allow manipulating the mbuf cluster size and mbuf size, 21082c8f5a28SKenneth D. Merry# respectively. Be very careful with NIC driver modules when changing 21092c8f5a28SKenneth D. Merry# these from their default values, because that can potentially cause a 21102c8f5a28SKenneth D. Merry# mismatch between the mbuf size assumed by the kernel and the mbuf size 21112c8f5a28SKenneth D. Merry# assumed by a module. The only driver that currently has the ability to 21122c8f5a28SKenneth D. Merry# detect a mismatch is ti(4). 21132c8f5a28SKenneth D. Merryoptions MCLSHIFT=12 # mbuf cluster shift in bits, 12 == 4KB 21142c8f5a28SKenneth D. Merryoptions MSIZE=512 # mbuf size in bytes 21152c8f5a28SKenneth D. Merry 2116c19da41eSPeter Wemm# 21170739ea1dSSeigo Tanimura# Sound drivers 2118c19da41eSPeter Wemm# 21190739ea1dSSeigo Tanimura# sound: The generic sound driver. 2120c7406082SJohn-Mark Gurney# 21210739ea1dSSeigo Tanimura 21220739ea1dSSeigo Tanimuradevice sound 21230739ea1dSSeigo Tanimura 21240739ea1dSSeigo Tanimura# 21250739ea1dSSeigo Tanimura# snd_*: Device-specific drivers. 2126c7406082SJohn-Mark Gurney# 21279c0ef6d5SOliver Fromme# The flags of the device tell the device a bit more info about the 21287f5092f3SJohn Baldwin# device that normally is obtained through the PnP interface. 21297f5092f3SJohn Baldwin# bit 2..0 secondary DMA channel; 21307f5092f3SJohn Baldwin# bit 4 set if the board uses two dma channels; 21317f5092f3SJohn Baldwin# bit 15..8 board type, overrides autodetection; leave it 21327f5092f3SJohn Baldwin# zero if don't know what to put in (and you don't, 21337f5092f3SJohn Baldwin# since this is unsupported at the moment...). 21347f5092f3SJohn Baldwin# 2135c3a730dfSJoel Dahl# snd_ad1816: Analog Devices AD1816 ISA PnP/non-PnP. 21360739ea1dSSeigo Tanimura# snd_als4000: Avance Logic ALS4000 PCI. 2137d9bde1adSAriff Abdullah# snd_atiixp: ATI IXP 200/300/400 PCI. 2138903b2fb9SJoel Dahl# snd_audiocs: Crystal Semiconductor CS4231 SBus/EBus. Only 2139903b2fb9SJoel Dahl# for sparc64. 21400739ea1dSSeigo Tanimura# snd_cmi: CMedia CMI8338/CMI8738 PCI. 21410739ea1dSSeigo Tanimura# snd_cs4281: Crystal Semiconductor CS4281 PCI. 21420739ea1dSSeigo Tanimura# snd_csa: Crystal Semiconductor CS461x/428x PCI. (except 21430739ea1dSSeigo Tanimura# 4281) 21440739ea1dSSeigo Tanimura# snd_ds1: Yamaha DS-1 PCI. 21450739ea1dSSeigo Tanimura# snd_emu10k1: Creative EMU10K1 PCI and EMU10K2 (Audigy) PCI. 21460fa7ab6aSAlexander Leidinger# snd_emu10kx: Creative SoundBlaster Live! and Audigy 21479f548240SAlexander Leidinger# snd_envy24: VIA Envy24 and compatible, needs snd_spicds. 21489f548240SAlexander Leidinger# snd_envy24ht: VIA Envy24HT and compatible, needs snd_spicds. 21490739ea1dSSeigo Tanimura# snd_es137x: Ensoniq AudioPCI ES137x PCI. 2150727ded3aSJoel Dahl# snd_ess: Ensoniq ESS ISA PnP/non-PnP, to be used in 2151727ded3aSJoel Dahl# conjunction with snd_sbc. 21520739ea1dSSeigo Tanimura# snd_fm801: Forte Media FM801 PCI. 21530739ea1dSSeigo Tanimura# snd_gusc: Gravis UltraSound ISA PnP/non-PnP. 21544b8939a1SAriff Abdullah# snd_hda: Intel High Definition Audio (Controller) and 21554b8939a1SAriff Abdullah# compatible. 2156e4afd792SAlexander Motin# snd_hdspe: RME HDSPe AIO and RayDAT. 215717470869SAlexander Motin# snd_ich: Intel ICH AC'97 and some more audio controllers 2158903b2fb9SJoel Dahl# embedded in a chipset, for example nVidia 2159903b2fb9SJoel Dahl# nForce controllers. 21600739ea1dSSeigo Tanimura# snd_maestro: ESS Technology Maestro-1/2x PCI. 21610739ea1dSSeigo Tanimura# snd_maestro3: ESS Technology Maestro-3/Allegro PCI. 21620739ea1dSSeigo Tanimura# snd_mss: Microsoft Sound System ISA PnP/non-PnP. 21630739ea1dSSeigo Tanimura# snd_neomagic: Neomagic 256 AV/ZX PCI. 21640739ea1dSSeigo Tanimura# snd_sb16: Creative SoundBlaster16, to be used in 21651c9c6382SRuslan Ermilov# conjunction with snd_sbc. 21660739ea1dSSeigo Tanimura# snd_sb8: Creative SoundBlaster (pre-16), to be used in 21671c9c6382SRuslan Ermilov# conjunction with snd_sbc. 21680739ea1dSSeigo Tanimura# snd_sbc: Creative SoundBlaster ISA PnP/non-PnP. 21697f5092f3SJohn Baldwin# Supports ESS and Avance ISA chips as well. 21700739ea1dSSeigo Tanimura# snd_solo: ESS Solo-1x PCI. 2171de8d750fSJoel Dahl# snd_spicds: SPI codec driver, needed by Envy24/Envy24HT drivers. 2172903b2fb9SJoel Dahl# snd_t4dwave: Trident 4DWave DX/NX PCI, Sis 7018 PCI and Acer Labs 21730739ea1dSSeigo Tanimura# M5451 PCI. 2174de8d750fSJoel Dahl# snd_uaudio: USB audio. 21750739ea1dSSeigo Tanimura# snd_via8233: VIA VT8233x PCI. 21760739ea1dSSeigo Tanimura# snd_via82c686: VIA VT82C686A PCI. 21770739ea1dSSeigo Tanimura# snd_vibes: S3 Sonicvibes PCI. 217881bb901eSPeter Wemm 2179f37a929cSPeter Wemmdevice snd_ad1816 2180f37a929cSPeter Wemmdevice snd_als4000 2181d9bde1adSAriff Abdullahdevice snd_atiixp 21827a7386a3SPyun YongHyeon#device snd_audiocs 21830739ea1dSSeigo Tanimuradevice snd_cmi 2184f37a929cSPeter Wemmdevice snd_cs4281 21850739ea1dSSeigo Tanimuradevice snd_csa 2186f37a929cSPeter Wemmdevice snd_ds1 2187f37a929cSPeter Wemmdevice snd_emu10k1 21880fa7ab6aSAlexander Leidingerdevice snd_emu10kx 2189b1ff0220SAlexander Leidingerdevice snd_envy24 21909f548240SAlexander Leidingerdevice snd_envy24ht 2191f37a929cSPeter Wemmdevice snd_es137x 21920739ea1dSSeigo Tanimuradevice snd_ess 2193f37a929cSPeter Wemmdevice snd_fm801 21940739ea1dSSeigo Tanimuradevice snd_gusc 21954b8939a1SAriff Abdullahdevice snd_hda 2196e4afd792SAlexander Motindevice snd_hdspe 21970739ea1dSSeigo Tanimuradevice snd_ich 21980739ea1dSSeigo Tanimuradevice snd_maestro 2199f37a929cSPeter Wemmdevice snd_maestro3 22000739ea1dSSeigo Tanimuradevice snd_mss 22010739ea1dSSeigo Tanimuradevice snd_neomagic 2202f37a929cSPeter Wemmdevice snd_sb16 2203f37a929cSPeter Wemmdevice snd_sb8 22040739ea1dSSeigo Tanimuradevice snd_sbc 22050739ea1dSSeigo Tanimuradevice snd_solo 22069f548240SAlexander Leidingerdevice snd_spicds 2207f37a929cSPeter Wemmdevice snd_t4dwave 2208de8d750fSJoel Dahldevice snd_uaudio 2209f37a929cSPeter Wemmdevice snd_via8233 2210f37a929cSPeter Wemmdevice snd_via82c686 22110739ea1dSSeigo Tanimuradevice snd_vibes 2212c19da41eSPeter Wemm 22131c9c6382SRuslan Ermilov# For non-PnP sound cards: 2214673974d9SRuslan Ermilovhint.pcm.0.at="isa" 2215673974d9SRuslan Ermilovhint.pcm.0.irq="10" 2216673974d9SRuslan Ermilovhint.pcm.0.drq="1" 2217673974d9SRuslan Ermilovhint.pcm.0.flags="0x0" 2218673974d9SRuslan Ermilovhint.sbc.0.at="isa" 2219673974d9SRuslan Ermilovhint.sbc.0.port="0x220" 2220673974d9SRuslan Ermilovhint.sbc.0.irq="5" 2221673974d9SRuslan Ermilovhint.sbc.0.drq="1" 2222673974d9SRuslan Ermilovhint.sbc.0.flags="0x15" 2223673974d9SRuslan Ermilovhint.gusc.0.at="isa" 2224673974d9SRuslan Ermilovhint.gusc.0.port="0x220" 2225673974d9SRuslan Ermilovhint.gusc.0.irq="5" 2226673974d9SRuslan Ermilovhint.gusc.0.drq="1" 2227673974d9SRuslan Ermilovhint.gusc.0.flags="0x13" 22287f5092f3SJohn Baldwin 22296a8d6623SGarrett Wollman# 223018fe4678SAriff Abdullah# Following options are intended for debugging/testing purposes: 223118fe4678SAriff Abdullah# 223218fe4678SAriff Abdullah# SND_DEBUG Enable extra debugging code that includes 223318fe4678SAriff Abdullah# sanity checking and possible increase of 223418fe4678SAriff Abdullah# verbosity. 223518fe4678SAriff Abdullah# 2236d51e8487SJosh Paetzel# SND_DIAGNOSTIC Similar in a spirit of INVARIANTS/DIAGNOSTIC, 223718fe4678SAriff Abdullah# zero tolerance against inconsistencies. 223818fe4678SAriff Abdullah# 223918fe4678SAriff Abdullah# SND_FEEDER_MULTIFORMAT By default, only 16/32 bit feeders are compiled 224018fe4678SAriff Abdullah# in. This options enable most feeder converters 224118fe4678SAriff Abdullah# except for 8bit. WARNING: May bloat the kernel. 224218fe4678SAriff Abdullah# 224318fe4678SAriff Abdullah# SND_FEEDER_FULL_MULTIFORMAT Ditto, but includes 8bit feeders as well. 224418fe4678SAriff Abdullah# 224518fe4678SAriff Abdullah# SND_FEEDER_RATE_HP (feeder_rate) High precision 64bit arithmetic 224618fe4678SAriff Abdullah# as much as possible (the default trying to 224718fe4678SAriff Abdullah# avoid it). Possible slowdown. 224818fe4678SAriff Abdullah# 224918fe4678SAriff Abdullah# SND_PCM_64 (Only applicable for i386/32bit arch) 225018fe4678SAriff Abdullah# Process 32bit samples through 64bit 225118fe4678SAriff Abdullah# integer/arithmetic. Slight increase of dynamic 225218fe4678SAriff Abdullah# range at a cost of possible slowdown. 225318fe4678SAriff Abdullah# 225418fe4678SAriff Abdullah# SND_OLDSTEREO Only 2 channels are allowed, effectively 225518fe4678SAriff Abdullah# disabling multichannel processing. 225618fe4678SAriff Abdullah# 225718fe4678SAriff Abdullahoptions SND_DEBUG 225818fe4678SAriff Abdullahoptions SND_DIAGNOSTIC 225918fe4678SAriff Abdullahoptions SND_FEEDER_MULTIFORMAT 226018fe4678SAriff Abdullahoptions SND_FEEDER_FULL_MULTIFORMAT 226118fe4678SAriff Abdullahoptions SND_FEEDER_RATE_HP 226218fe4678SAriff Abdullahoptions SND_PCM_64 226318fe4678SAriff Abdullahoptions SND_OLDSTEREO 226418fe4678SAriff Abdullah 226518fe4678SAriff Abdullah# 2266567e21c2SBruce Evans# Miscellaneous hardware: 22676a8d6623SGarrett Wollman# 22681c2b5939SRoger Hardiman# bktr: Brooktree bt848/848a/849a/878/879 video capture and TV Tuner board 2269603d67aeSRink Springer# cmx: OmniKey CardMan 4040 pccard smartcard reader 2270657e73c4SPeter Dufault 2271603d67aeSRink Springerdevice cmx 2272a800f455SJulian Elischer 2273eeb706c0SJustin T. Gibbs# 2274a9c5b8d0SSøren Schmidt# The 'bktr' device is a PCI video capture device using the Brooktree 22751c2b5939SRoger Hardiman# bt848/bt848a/bt849a/bt878/bt879 chipset. When used with a TV Tuner it forms a 2276a2f87f42SPeter Pentchev# TV card, e.g. Miro PC/TV, Hauppauge WinCast/TV WinTV, VideoLogic Captivator, 22771c2b5939SRoger Hardiman# Intel Smart Video III, AverMedia, IMS Turbo, FlyVideo. 22781c2b5939SRoger Hardiman# 2279a9c5b8d0SSøren Schmidt# options OVERRIDE_CARD=xxx 2280a9c5b8d0SSøren Schmidt# options OVERRIDE_TUNER=xxx 2281a9c5b8d0SSøren Schmidt# options OVERRIDE_MSP=1 2282a9c5b8d0SSøren Schmidt# options OVERRIDE_DBX=1 22831c2b5939SRoger Hardiman# These options can be used to override the auto detection 228498a44096SSheldon Hearn# The current values for xxx are found in src/sys/dev/bktr/bktr_card.h 22851c2b5939SRoger Hardiman# Using sysctl(8) run-time overrides on a per-card basis can be made 22869ff07e32SAmancio Hasty# 22874f5f3f07SBrian Somers# options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL 22881c2b5939SRoger Hardiman# or 22891c2b5939SRoger Hardiman# options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC 22903c7c6c12SMike Pritchard# Specifies the default video capture mode. 22911748d1e5SGavin Atkinson# This is required for Dual Crystal (28&35MHz) boards where PAL is used 2292d51e8487SJosh Paetzel# to prevent hangs during initialization, e.g. VideoLogic Captivator PCI. 2293a9c5b8d0SSøren Schmidt# 22944f5f3f07SBrian Somers# options BKTR_USE_PLL 22951748d1e5SGavin Atkinson# This is required for PAL or SECAM boards with a 28MHz crystal and no 35MHz 2296a2f87f42SPeter Pentchev# crystal, e.g. some new Bt878 cards. 2297a9c5b8d0SSøren Schmidt# 22981c2b5939SRoger Hardiman# options BKTR_GPIO_ACCESS 22999c0ef6d5SOliver Fromme# This enables IOCTLs which give user level access to the GPIO port. 23001c2b5939SRoger Hardiman# 23011c2b5939SRoger Hardiman# options BKTR_NO_MSP_RESET 2302d51e8487SJosh Paetzel# Prevents the MSP34xx reset. Good if you initialize the MSP in another OS first 23031c2b5939SRoger Hardiman# 23041c2b5939SRoger Hardiman# options BKTR_430_FX_MODE 23051c2b5939SRoger Hardiman# Switch Bt878/879 cards into Intel 430FX chipset compatibility mode. 23061c2b5939SRoger Hardiman# 23071c2b5939SRoger Hardiman# options BKTR_SIS_VIA_MODE 23081c2b5939SRoger Hardiman# Switch Bt878/879 cards into SIS/VIA chipset compatibility mode which is 23091c2b5939SRoger Hardiman# needed for some old SiS and VIA chipset motherboards. 23101c2b5939SRoger Hardiman# This also allows Bt878/879 chips to work on old OPTi (<1997) chipset 23111c2b5939SRoger Hardiman# motherboards and motherboards with bad or incomplete PCI 2.1 support. 23121c2b5939SRoger Hardiman# As a rough guess, old = before 1998 23131c2b5939SRoger Hardiman# 231430e27d96SAlexander Langer# options BKTR_NEW_MSP34XX_DRIVER 231530e27d96SAlexander Langer# Use new, more complete initialization scheme for the msp34* soundchip. 231630e27d96SAlexander Langer# Should fix stereo autodetection if the old driver does only output 231730e27d96SAlexander Langer# mono sound. 2318017b0edcSMatt Jacob 2319c17d4340SNicolas Souchu# 2320c17d4340SNicolas Souchu# options BKTR_USE_FREEBSD_SMBUS 2321c17d4340SNicolas Souchu# Compile with FreeBSD SMBus implementation 2322c17d4340SNicolas Souchu# 232328ebb692SNicolas Souchu# Brooktree driver has been ported to the new I2C framework. Thus, 23240f3563b6SRoger Hardiman# you'll need to have the following 3 lines in the kernel config. 232537973e86SPeter Wemm# device smbus 232637973e86SPeter Wemm# device iicbus 232737973e86SPeter Wemm# device iicbb 2328c17d4340SNicolas Souchu# device iicsmb 23290f3563b6SRoger Hardiman# The iic and smb devices are only needed if you want to control other 23300f3563b6SRoger Hardiman# I2C slaves connected to the external connector of some cards. 233128ebb692SNicolas Souchu# 2332c06a3350SPeter Wemmdevice bktr 2333446cee6eSJoerg Wunsch 2334dc9deb29SPoul-Henning Kamp# 23356e818956SDavid E. O'Brien# PC Card/PCMCIA and Cardbus 23366e818956SDavid E. O'Brien# 23375bcb64f2SWarner Losh# cbb: pci/cardbus bridge implementing YENTA interface 23386e818956SDavid E. O'Brien# pccard: pccard slots 23396e818956SDavid E. O'Brien# cardbus: cardbus slots 23406e818956SDavid E. O'Briendevice cbb 23416e818956SDavid E. O'Briendevice pccard 23426e818956SDavid E. O'Briendevice cardbus 23436e818956SDavid E. O'Brien 23446e818956SDavid E. O'Brien# 23455bcb64f2SWarner Losh# MMC/SD 23465bcb64f2SWarner Losh# 2347831f5dcfSAlexander Motin# mmc MMC/SD bus 2348831f5dcfSAlexander Motin# mmcsd MMC/SD memory card 2349831f5dcfSAlexander Motin# sdhci Generic PCI SD Host Controller 2350831f5dcfSAlexander Motin# 2351831f5dcfSAlexander Motindevice mmc 2352831f5dcfSAlexander Motindevice mmcsd 2353831f5dcfSAlexander Motindevice sdhci 23545bcb64f2SWarner Losh 23555bcb64f2SWarner Losh# 23568afa373cSNicolas Souchu# SMB bus 23578afa373cSNicolas Souchu# 23583c5656bfSArchie Cobbs# System Management Bus support is provided by the 'smbus' device. 23593c5656bfSArchie Cobbs# Access to the SMBus device is via the 'smb' device (/dev/smb*), 23603c5656bfSArchie Cobbs# which is a child of the 'smbus' device. 23618afa373cSNicolas Souchu# 23628afa373cSNicolas Souchu# Supported devices: 23634d5f30e0SRuslan Ermilov# smb standard I/O through /dev/smb* 23648afa373cSNicolas Souchu# 23653c5656bfSArchie Cobbs# Supported SMB interfaces: 236628ebb692SNicolas Souchu# iicsmb I2C to SMB bridge with any iicbus interface 236728ebb692SNicolas Souchu# bktr brooktree848 I2C hardware interface 23687f5092f3SJohn Baldwin# intpm Intel PIIX4 (82371AB, 82443MX) Power Management Unit 23697f5092f3SJohn Baldwin# alpm Acer Aladdin-IV/V/Pro2 Power Management Unit 23707f5092f3SJohn Baldwin# ichsmb Intel ICH SMBus controller chips (82801AA, 82801AB, 82801BA) 23717f5092f3SJohn Baldwin# viapm VIA VT82C586B/596B/686A and VT8233 Power Management Unit 2372b1acc4a2SMurray Stokely# amdpm AMD 756 Power Management Unit 23734d5f30e0SRuslan Ermilov# amdsmb AMD 8111 SMBus 2.0 Controller 237444e6ce01SNicolas Souchu# nfpm NVIDIA nForce Power Management Unit 23754d5f30e0SRuslan Ermilov# nfsmb NVIDIA nForce2/3/4 MCP SMBus 2.0 Controller 23760572ccaaSJim Harris# ismt Intel SMBus 2.0 controller chips (on Atom S1200, C2000) 23778afa373cSNicolas Souchu# 2378c9953c3bSPeter Wemmdevice smbus # Bus support, required for smb below. 23793c5656bfSArchie Cobbs 23807f5092f3SJohn Baldwindevice intpm 23817f5092f3SJohn Baldwindevice alpm 23827f5092f3SJohn Baldwindevice ichsmb 23837f5092f3SJohn Baldwindevice viapm 238444e6ce01SNicolas Souchudevice amdpm 23854d5f30e0SRuslan Ermilovdevice amdsmb 238644e6ce01SNicolas Souchudevice nfpm 23874d5f30e0SRuslan Ermilovdevice nfsmb 23880572ccaaSJim Harrisdevice ismt 23897f5092f3SJohn Baldwin 2390c9953c3bSPeter Wemmdevice smb 23918afa373cSNicolas Souchu 23924afdfe97SAndriy Gapon# SMBus peripheral devices 23938afa373cSNicolas Souchu# 2394dcd935dfSRavi Pokala# jedec_dimm Asset and temperature reporting for DDR3 and DDR4 DIMMs 23954afdfe97SAndriy Gapon# 2396dcd935dfSRavi Pokaladevice jedec_dimm 23974afdfe97SAndriy Gapon 23988afa373cSNicolas Souchu# I2C Bus 23998afa373cSNicolas Souchu# 24008afa373cSNicolas Souchu# Philips i2c bus support is provided by the `iicbus' device. 24018afa373cSNicolas Souchu# 24028afa373cSNicolas Souchu# Supported devices: 24038afa373cSNicolas Souchu# ic i2c network interface 24048afa373cSNicolas Souchu# iic i2c standard io 2405f7d09fbaSNicolas Souchu# iicsmb i2c to smb bridge. Allow i2c i/o with smb commands. 24061ab68cbbSJayachandran C.# iicoc simple polling driver for OpenCores I2C controller 24078afa373cSNicolas Souchu# 24088afa373cSNicolas Souchu# Supported interfaces: 240928ebb692SNicolas Souchu# bktr brooktree848 I2C software interface 241028ebb692SNicolas Souchu# 241128ebb692SNicolas Souchu# Other: 241228ebb692SNicolas Souchu# iicbb generic I2C bit-banging code (needed by lpbb, bktr) 24138afa373cSNicolas Souchu# 2414c9953c3bSPeter Wemmdevice iicbus # Bus support, required for ic/iic/iicsmb below. 2415c9953c3bSPeter Wemmdevice iicbb 24168afa373cSNicolas Souchu 2417c9953c3bSPeter Wemmdevice ic 2418c9953c3bSPeter Wemmdevice iic 2419c9953c3bSPeter Wemmdevice iicsmb # smb over i2c bridge 24201ab68cbbSJayachandran C.device iicoc # OpenCores I2C controller support 24218afa373cSNicolas Souchu 2422286fa445SRafal Jaworowski# I2C peripheral devices 2423286fa445SRafal Jaworowski# 2424ac6a9e47SIan Leporedevice ad7418 # Analog Devices temp and voltage sensor 242546ec180eSIan Leporedevice ds1307 # Dallas DS1307 RTC and compatible 2426bb2e8108SIan Leporedevice ds13rtc # All Dallas/Maxim ds13xx chips 242746ec180eSIan Leporedevice ds1672 # Dallas DS1672 RTC 242846ec180eSIan Leporedevice ds3231 # Dallas DS3231 RTC + temperature 242946ec180eSIan Leporedevice icee # AT24Cxxx and compatible EEPROMs 2430ac6a9e47SIan Leporedevice isl12xx # Intersil ISL12xx RTC 243146ec180eSIan Leporedevice lm75 # LM75 compatible temperature sensor 243246ec180eSIan Leporedevice nxprtc # NXP RTCs: PCA/PFC212x PCA/PCF85xx 2433ac6a9e47SIan Leporedevice rtc8583 # Epson RTC-8583 243446ec180eSIan Leporedevice s35390a # Seiko Instruments S-35390A RTC 2435ac6a9e47SIan Leporedevice sy8106a # Silergy Corp. SY8106A buck regulator 2436ac6a9e47SIan Leporedevice syr827 # Silergy Corp. DC/DC regulator 2437286fa445SRafal Jaworowski 2438ab4c624bSMike Smith# Parallel-Port Bus 2439ab4c624bSMike Smith# 2440ab4c624bSMike Smith# Parallel port bus support is provided by the `ppbus' device. 2441ab4c624bSMike Smith# Multiple devices may be attached to the parallel port, devices 2442ab4c624bSMike Smith# are automatically probed and attached when found. 2443ab4c624bSMike Smith# 2444ab4c624bSMike Smith# Supported devices: 2445ab4c624bSMike Smith# vpo Iomega Zip Drive 2446f7d09fbaSNicolas Souchu# Requires SCSI disk support ('scbus' and 'da'), best 2447f88c1346SMike Smith# performance is achieved with ports in EPP 1.9 mode. 2448fdf94d1aSNicolas Souchu# lpt Parallel Printer 244946f3ff79SMike Smith# plip Parallel network interface 2450fdf94d1aSNicolas Souchu# ppi General-purpose I/O ("Geek Port") + IEEE1284 I/O 2451f7d09fbaSNicolas Souchu# pps Pulse per second Timing Interface 245228ebb692SNicolas Souchu# lpbb Philips official parallel port I2C bit-banging interface 24531caef332SWojciech A. Koszek# pcfclock Parallel port clock driver. 2454ab4c624bSMike Smith# 2455ab4c624bSMike Smith# Supported interfaces: 2456ab4c624bSMike Smith# ppc ISA-bus parallel port interfaces. 2457ab4c624bSMike Smith# 2458ef8f7626SNicolas Souchu 24590f210c92SNicolas Souchuoptions PPC_PROBE_CHIPSET # Enable chipset specific detection 24600f210c92SNicolas Souchu # (see flags in ppc(4)) 24615895e3c8SPeter Wemmoptions DEBUG_1284 # IEEE1284 signaling protocol debug 24629d5abbddSJens Schweikhardtoptions PERIPH_1284 # Makes your computer act as an IEEE1284 2463ef8f7626SNicolas Souchu # compliant peripheral 24645895e3c8SPeter Wemmoptions DONTPROBE_1284 # Avoid boot detection of PnP parallel devices 24655895e3c8SPeter Wemmoptions VP0_DEBUG # ZIP/ZIP+ debug 24665895e3c8SPeter Wemmoptions LPT_DEBUG # Printer driver debug 24675895e3c8SPeter Wemmoptions PPC_DEBUG # Parallel chipset level debug 24685895e3c8SPeter Wemmoptions PLIP_DEBUG # Parallel network IP interface debug 24693b2d592cSJordan K. Hubbardoptions PCFCLOCK_VERBOSE # Verbose pcfclock driver 24703b2d592cSJordan K. Hubbardoptions PCFCLOCK_MAX_RETRIES=5 # Maximum read tries (default 10) 2471ef8f7626SNicolas Souchu 2472f71c01ccSPeter Wemmdevice ppc 2473f71c01ccSPeter Wemmhint.ppc.0.at="isa" 2474f71c01ccSPeter Wemmhint.ppc.0.irq="7" 24750d31b179SPeter Wemmdevice ppbus 24760d31b179SPeter Wemmdevice vpo 24770d31b179SPeter Wemmdevice lpt 24780d31b179SPeter Wemmdevice plip 24790d31b179SPeter Wemmdevice ppi 24800d31b179SPeter Wemmdevice pps 24810d31b179SPeter Wemmdevice lpbb 24820d31b179SPeter Wemmdevice pcfclock 2483ab4c624bSMike Smith 2484*6e36309dSIan Lepore# General Purpose I/O pins 2485*6e36309dSIan Leporedevice gpio # gpio interfaces and bus support 2486*6e36309dSIan Leporedevice gpiobacklight # sysctl control of gpio-based backlight 2487*6e36309dSIan Leporedevice gpioiic # i2c via gpio bitbang 2488*6e36309dSIan Leporedevice gpiokeys # kbd(4) glue for gpio-based key input 2489*6e36309dSIan Leporedevice gpioled # led(4) gpio glue 2490*6e36309dSIan Leporedevice gpiopower # event handler for gpio-based powerdown 2491*6e36309dSIan Leporedevice gpiopps # Pulse per second input from gpio pin 2492*6e36309dSIan Leporedevice gpioregulator # extres/regulator glue for gpio pin 2493*6e36309dSIan Leporedevice gpiospi # SPI via gpio bitbang 2494*6e36309dSIan Leporedevice gpioths # 1-wire temp/humidity sensor on gpio pin 2495*6e36309dSIan Lepore 2496f45757caSChristian Brueffer# 2497f45757caSChristian Brueffer# Etherswitch framework and drivers 2498f45757caSChristian Brueffer# 2499f45757caSChristian Brueffer# etherswitch The etherswitch(4) framework 2500f45757caSChristian Brueffer# miiproxy Proxy device for miibus(4) functionality 2501f45757caSChristian Brueffer# 2502f45757caSChristian Brueffer# Switch hardware support: 2503f45757caSChristian Brueffer# arswitch Atheros switches 2504f45757caSChristian Brueffer# ip17x IC+ 17x family switches 2505f45757caSChristian Brueffer# rtl8366r Realtek RTL8366 switches 2506f45757caSChristian Brueffer# ukswitch Multi-PHY switches 2507f45757caSChristian Brueffer# 2508f45757caSChristian Bruefferdevice etherswitch 2509f45757caSChristian Bruefferdevice miiproxy 2510f45757caSChristian Bruefferdevice arswitch 2511f45757caSChristian Bruefferdevice ip17x 2512f45757caSChristian Bruefferdevice rtl8366rb 2513f45757caSChristian Bruefferdevice ukswitch 2514f45757caSChristian Brueffer 25150ac40133SBrian Somers# Kernel BOOTP support 25160ac40133SBrian Somers 25170ac40133SBrian Somersoptions BOOTP # Use BOOTP to obtain IP address/hostname 2518c15882f0SRick Macklem # Requires NFSCL and NFS_ROOT 25190ac40133SBrian Somersoptions BOOTP_NFSROOT # NFS mount root filesystem using BOOTP info 25200ac40133SBrian Somersoptions BOOTP_NFSV3 # Use NFS v3 to NFS mount root 25210ac40133SBrian Somersoptions BOOTP_COMPAT # Workaround for broken bootp daemons. 25220ac40133SBrian Somersoptions BOOTP_WIRED_TO=fxp0 # Use interface fxp0 for BOOTP 2523eead3ae9SBenno Riceoptions BOOTP_BLOCKSIZE=8192 # Override NFS block size 2524432aad0eSTor Egge 2525d94f38acSEivind Eklund# 2526d626b50bSMike Karels# Enable software watchdog routines, even if hardware watchdog is present. 2527d626b50bSMike Karels# By default, software watchdog timer is enabled only if no hardware watchdog 2528d626b50bSMike Karels# is present. 2529370c3cb5SSean Kelly# 25304103b765SPoul-Henning Kampoptions SW_WATCHDOG 2531370c3cb5SSean Kelly 2532370c3cb5SSean Kelly# 2533f7829d0dSAttilio Rao# Add the software deadlock resolver thread. 2534f7829d0dSAttilio Rao# 2535f7829d0dSAttilio Raooptions DEADLKRES 2536f7829d0dSAttilio Rao 2537f7829d0dSAttilio Rao# 2538b99d6e6fSDavid Schultz# Disable swapping of stack pages. This option removes all 25394e0ee531SMike Barcroft# code which actually performs swapping, so it's not possible to turn 25404e0ee531SMike Barcroft# it back on at run-time. 2541c796cfa1SAndrzej Bialecki# 2542c796cfa1SAndrzej Bialecki# This is sometimes usable for systems which don't have any swap space 25433c4c0efdSBryan Drewery# (see also sysctl "vm.disable_swapspace_pageouts") 2544c796cfa1SAndrzej Bialecki# 254519dde963SPeter Wemm#options NO_SWAPPING 2546c796cfa1SAndrzej Bialecki 25479dab0776SDavid Greenman# Set the number of sf_bufs to allocate. sf_bufs are virtual buffers 25489dab0776SDavid Greenman# for sendfile(2) that are used to map file VM pages, and normally 25499dab0776SDavid Greenman# default to a quantity that is roughly 16*MAXUSERS+512. You would 25509dab0776SDavid Greenman# typically want about 4 of these for each simultaneous file send. 25519dab0776SDavid Greenman# 25525895e3c8SPeter Wemmoptions NSFBUFS=1024 25539dab0776SDavid Greenman 255415a1057cSEivind Eklund# 2555053a2b61SEivind Eklund# Enable extra debugging code for locks. This stores the filename and 25569c0ef6d5SOliver Fromme# line of whatever acquired the lock in the lock itself, and changes a 2557053a2b61SEivind Eklund# number of function calls to pass around the relevant data. This is 25582c048c4aSBryan Drewery# not at all useful unless you are debugging lock code. Note that 25592c048c4aSBryan Drewery# modules should be recompiled as this option modifies KBI. 256015a1057cSEivind Eklund# 256115a1057cSEivind Eklundoptions DEBUG_LOCKS 256215a1057cSEivind Eklund 256326086a03SPeter Wemm 256426086a03SPeter Wemm##################################################################### 25651d33cf3dSNick Hibma# USB support 25661d33cf3dSNick Hibma# UHCI controller 2567c9953c3bSPeter Wemmdevice uhci 25681d33cf3dSNick Hibma# OHCI controller 2569c9953c3bSPeter Wemmdevice ohci 2570ca3acad1SBernd Walter# EHCI controller 2571ca3acad1SBernd Walterdevice ehci 2572857508a3SAndrew Thompson# XHCI controller 2573857508a3SAndrew Thompsondevice xhci 257439e5901eSTakanori Watanabe# SL811 Controller 2575b92755d1SAndrew Thompson#device slhci 25761d33cf3dSNick Hibma# General USB code (mandatory for USB) 2577c9953c3bSPeter Wemmdevice usb 25781d33cf3dSNick Hibma# 2579b5ea1f0cSNick Hibma# USB Double Bulk Pipe devices 2580b5ea1f0cSNick Hibmadevice udbp 2581d1233ab3SBruce Evans# USB Fm Radio 2582d1233ab3SBruce Evansdevice ufm 25832d45d793SHans Petter Selasky# USB temperature meter 25842d45d793SHans Petter Selaskydevice ugold 25856bd03b20SKevin Lo# USB LED 25866bd03b20SKevin Lodevice uled 2587f26c33d2SNick Hibma# Human Interface Device (anything with buttons and dials) 2588c9953c3bSPeter Wemmdevice uhid 25891d33cf3dSNick Hibma# USB keyboard 2590c9953c3bSPeter Wemmdevice ukbd 25911d33cf3dSNick Hibma# USB printer 2592c9953c3bSPeter Wemmdevice ulpt 259331615ef7SRebecca Cran# USB mass storage driver (Requires scbus and da) 2594c9953c3bSPeter Wemmdevice umass 259531615ef7SRebecca Cran# USB mass storage driver for device-side mode 259631615ef7SRebecca Crandevice usfs 2597ce17576aSScott Long# USB support for Belkin F5U109 and Magic Control Technology serial adapters 2598ce17576aSScott Longdevice umct 2599e9fb12d3SNick Hibma# USB modem support 2600e9fb12d3SNick Hibmadevice umodem 2601f26c33d2SNick Hibma# USB mouse 2602c9953c3bSPeter Wemmdevice ums 2603eed447b5SHans Petter Selasky# USB touchpad(s) 2604eed447b5SHans Petter Selaskydevice atp 2605eed447b5SHans Petter Selaskydevice wsp 2606f25a8a01SGleb Smirnoff# eGalax USB touch screen 2607f25a8a01SGleb Smirnoffdevice uep 26081c9c6382SRuslan Ermilov# Diamond Rio 500 MP3 player 2609e2dbd15fSNick Hibmadevice urio 2610d1233ab3SBruce Evans# 2611916e6e02SJosef Karthauser# USB serial support 2612916e6e02SJosef Karthauserdevice ucom 2613fe75118bSNick Hibma# USB support for 3G modem cards by Option, Novatel, Huawei and Sierra 2614483b9e47SNick Hibmadevice u3g 26159aab0d96SMaxim Konovalov# USB support for Technologies ARK3116 based serial adapters 26169aab0d96SMaxim Konovalovdevice uark 2617d1233ab3SBruce Evans# USB support for Belkin F5U103 and compatible serial adapters 2618d1233ab3SBruce Evansdevice ubsa 261948b68edfSJosef Karthauser# USB support for serial adapters based on the FT8U100AX and FT8U232AM 262048b68edfSJosef Karthauserdevice uftdi 2621c5286e11STakanori Watanabe# USB support for some Windows CE based serial communication. 2622c5286e11STakanori Watanabedevice uipaq 262348b68edfSJosef Karthauser# USB support for Prolific PL-2303 serial adapters 2624916e6e02SJosef Karthauserdevice uplcom 26252e7328e7SRink Springer# USB support for Silicon Laboratories CP2101/CP2102 based USB serial adapters 26262e7328e7SRink Springerdevice uslcom 262748b68edfSJosef Karthauser# USB Visor and Palm devices 262848b68edfSJosef Karthauserdevice uvisor 2629d1233ab3SBruce Evans# USB serial support for DDI pocket's PHS 2630d1233ab3SBruce Evansdevice uvscom 2631f26c33d2SNick Hibma# 2632ff6b30b9SKevin Lo# USB ethernet support 2633ff6b30b9SKevin Lodevice uether 2634ed63a7aaSBill Paul# ADMtek USB ethernet. Supports the LinkSys USB100TX, 2635d04bb221SBill Paul# the Billionton USB100, the Melco LU-ATX, the D-Link DSB-650TX 2636d04bb221SBill Paul# and the SMC 2202USB. Also works with the ADMtek AN986 Pegasus 2637d04bb221SBill Paul# eval board. 2638c9953c3bSPeter Wemmdevice aue 2639bf029145SRobert Watson 2640bf029145SRobert Watson# ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 2641bf029145SRobert Watson# LinkSys USB200M and various other adapters. 2642bf029145SRobert Watsondevice axe 264379eb99dfSLi-Wen Hsu# ASIX Electronics AX88178A/AX88179 USB 2.0/3.0 gigabit ethernet driver. 264479eb99dfSLi-Wen Hsudevice axge 2645bf029145SRobert Watson 2646dfd1e98eSBill Paul# 26476bcf0032SMaxim Sobolev# Devices which communicate using Ethernet over USB, particularly 26486bcf0032SMaxim Sobolev# Communication Device Class (CDC) Ethernet specification. Supports 26496bcf0032SMaxim Sobolev# Sharp Zaurus PDAs, some DOCSIS cable modems and so on. 26506bcf0032SMaxim Sobolevdevice cdce 26516bcf0032SMaxim Sobolev# 265201779872SBill Paul# CATC USB-EL1201A USB ethernet. Supports the CATC Netmate 265301779872SBill Paul# and Netmate II, and the Belkin F5U111. 2654c9953c3bSPeter Wemmdevice cue 265501779872SBill Paul# 2656dfd1e98eSBill Paul# Kawasaki LSI ethernet. Supports the LinkSys USB10T, 2657d04bb221SBill Paul# Entrega USB-NET-E45, Peracom Ethernet Adapter, the 2658d04bb221SBill Paul# 3Com 3c19250, the ADS Technologies USB-10BT, the ATen UC10T, 265901779872SBill Paul# the Netgear EA101, the D-Link DSB-650, the SMC 2102USB 266001779872SBill Paul# and 2104USB, and the Corega USB-T. 2661c9953c3bSPeter Wemmdevice kue 266211e04b05SShunsuke Akiyama# 266311e04b05SShunsuke Akiyama# RealTek RTL8150 USB to fast ethernet. Supports the Melco LUA-KTX 266411e04b05SShunsuke Akiyama# and the GREEN HOUSE GH-USB100B. 266511e04b05SShunsuke Akiyamadevice rue 2666cdd40f3bSMIHIRA Sanpei Yoshiro# 2667cdd40f3bSMIHIRA Sanpei Yoshiro# Davicom DM9601E USB to fast ethernet. Supports the Corega FEther USB-TXC. 2668cdd40f3bSMIHIRA Sanpei Yoshirodevice udav 2669941e2863SAndrew Thompson# 2670a24d62b5SKevin Lo# RealTek RTL8152/RTL8153 USB Ethernet driver 2671e1b74f21SKevin Lodevice ure 2672e1b74f21SKevin Lo# 267322445463SKevin Lo# Moschip MCS7730/MCS7840 USB to fast ethernet. Supports the Sitecom LN030. 267422445463SKevin Lodevice mos 267522445463SKevin Lo# 2676941e2863SAndrew Thompson# HSxPA devices from Option N.V 2677941e2863SAndrew Thompsondevice uhso 2678cdd40f3bSMIHIRA Sanpei Yoshiro 267931d98677SRui Paulo# Realtek RTL8188SU/RTL8191SU/RTL8192SU wireless driver 268031d98677SRui Paulodevice rsu 26818a4cd00aSWarner Losh# 268271aa1d32SSam Leffler# Ralink Technology RT2501USB/RT2601USB wireless driver 268371aa1d32SSam Lefflerdevice rum 268493393dfdSAndrew Thompson# Ralink Technology RT2700U/RT2800U/RT3000U wireless driver 268593393dfdSAndrew Thompsondevice run 26868a4cd00aSWarner Losh# 268771aa1d32SSam Leffler# Atheros AR5523 wireless driver 268871aa1d32SSam Lefflerdevice uath 268971aa1d32SSam Leffler# 2690d1f25d5dSBernhard Schmidt# Conexant/Intersil PrismGT wireless driver 2691d1f25d5dSBernhard Schmidtdevice upgt 2692d1f25d5dSBernhard Schmidt# 269371aa1d32SSam Leffler# Ralink Technology RT2500USB wireless driver 26948a4cd00aSWarner Loshdevice ural 26958a4cd00aSWarner Losh# 269629311227SHans Petter Selasky# RNDIS USB ethernet driver 269729311227SHans Petter Selaskydevice urndis 26985aaea652SKevin Lo# Realtek RTL8187B/L wireless driver 26995aaea652SKevin Lodevice urtw 27005aaea652SKevin Lo# 270171aa1d32SSam Leffler# ZyDas ZD1211/ZD1211B wireless driver 270271aa1d32SSam Lefflerdevice zyd 270345b395cdSGleb Smirnoff# 270445b395cdSGleb Smirnoff# Sierra USB wireless driver 270545b395cdSGleb Smirnoffdevice usie 2706f26c33d2SNick Hibma 27078a4cd00aSWarner Losh# 2708f26c33d2SNick Hibma# debugging options for the USB subsystem 27091d33cf3dSNick Hibma# 27101d33cf3dSNick Hibmaoptions USB_DEBUG 2711fe75118bSNick Hibmaoptions U3G_DEBUG 2712f26c33d2SNick Hibma 27136e8394b8SKazutaka YOKOTA# options for ukbd: 27146e8394b8SKazutaka YOKOTAoptions UKBD_DFLT_KEYMAP # specify the built-in keymap 2715440f1cf7SBruce Evansmakeoptions UKBD_DFLT_KEYMAP=jp.106 27166e8394b8SKazutaka YOKOTA 2717565f53bbSShunsuke Akiyama# options for uplcom: 27183c7c6c12SMike Pritchardoptions UPLCOM_INTR_INTERVAL=100 # interrupt pipe interval 2719565f53bbSShunsuke Akiyama # in milliseconds 2720565f53bbSShunsuke Akiyama 272120280807SShunsuke Akiyama# options for uvscom: 272220280807SShunsuke Akiyamaoptions UVSCOM_DEFAULT_OPKTSIZE=8 # default output packet size 27233c7c6c12SMike Pritchardoptions UVSCOM_INTR_INTERVAL=100 # interrupt pipe interval 2724565f53bbSShunsuke Akiyama # in milliseconds 272520280807SShunsuke Akiyama 27268b7ce2ffSSam Leffler##################################################################### 2727869093b1SHidetoshi Shimokawa# FireWire support 27287d2ba89bSJohn Baldwin 2729869093b1SHidetoshi Shimokawadevice firewire # FireWire bus code 27307d2ba89bSJohn Baldwindevice sbp # SCSI over Firewire (Requires scbus and da) 273179acdabbSHidetoshi Shimokawadevice sbp_targ # SBP-2 Target mode (Requires scbus and targ) 2732869093b1SHidetoshi Shimokawadevice fwe # Ethernet over FireWire (non-standard!) 27331c9c6382SRuslan Ermilovdevice fwip # IP over FireWire (RFC2734 and RFC3146) 2734869093b1SHidetoshi Shimokawa 2735869093b1SHidetoshi Shimokawa##################################################################### 2736869093b1SHidetoshi Shimokawa# dcons support (Dumb Console Device) 2737869093b1SHidetoshi Shimokawa 2738869093b1SHidetoshi Shimokawadevice dcons # dumb console driver 2739869093b1SHidetoshi Shimokawadevice dcons_crom # FireWire attachment 2740869093b1SHidetoshi Shimokawaoptions DCONS_BUF_SIZE=16384 # buffer size 2741869093b1SHidetoshi Shimokawaoptions DCONS_POLL_HZ=100 # polling rate 2742869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_CONSOLE=0 # force to be the primary console 2743869093b1SHidetoshi Shimokawaoptions DCONS_FORCE_GDB=1 # force to be the gdb device 27447d2ba89bSJohn Baldwin 27457d2ba89bSJohn Baldwin##################################################################### 27468b7ce2ffSSam Leffler# crypto subsystem 27478b7ce2ffSSam Leffler# 27481c9c6382SRuslan Ermilov# This is a port of the OpenBSD crypto framework. Include this when 2749b2630c29SGeorge V. Neville-Neil# configuring IPSEC and when you have a h/w crypto device to accelerate 27501c9c6382SRuslan Ermilov# user applications that link to OpenSSL. 27518b7ce2ffSSam Leffler# 27521c9c6382SRuslan Ermilov# Drivers are ports from OpenBSD with some simple enhancements that have 27531c9c6382SRuslan Ermilov# been fed back to OpenBSD. 27548b7ce2ffSSam Leffler 27558b7ce2ffSSam Lefflerdevice crypto # core crypto support 2756b65946c6SJohn-Mark Gurney 2757b65946c6SJohn-Mark Gurney# Only install the cryptodev device if you are running tests, or know 2758e0b231cbSJohn-Mark Gurney# specifically why you need it. In most cases, it is not needed and 2759e0b231cbSJohn-Mark Gurney# will make things slower. 27608b7ce2ffSSam Lefflerdevice cryptodev # /dev/crypto for access to h/w 27618b7ce2ffSSam Leffler 2762ac7e2c05SSam Lefflerdevice rndtest # FIPS 140-2 entropy tester 27638b7ce2ffSSam Leffler 27645033c43bSJohn Baldwindevice ccr # Chelsio T6 27655033c43bSJohn Baldwin 2766b7c4858fSSam Lefflerdevice hifn # Hifn 7951, 7781, etc. 2767b7c4858fSSam Leffleroptions HIFN_DEBUG # enable debugging support: hw.hifn.debug 2768b7c4858fSSam Leffleroptions HIFN_RNDTEST # enable rndtest support 2769b7c4858fSSam Leffler 2770b7c4858fSSam Lefflerdevice ubsec # Broadcom 5501, 5601, 58xx 2771b7c4858fSSam Leffleroptions UBSEC_DEBUG # enable debugging support: hw.ubsec.debug 2772b7c4858fSSam Leffleroptions UBSEC_RNDTEST # enable rndtest support 2773b7c4858fSSam Leffler 27748b7ce2ffSSam Leffler##################################################################### 27758b7ce2ffSSam Leffler 27768b7ce2ffSSam Leffler 2777785d2100SJohn Birrell# 2778785d2100SJohn Birrell# Embedded system options: 2779785d2100SJohn Birrell# 2780785d2100SJohn Birrell# An embedded system might want to run something other than init. 27810fc9f11dSSergey Kandaurovoptions INIT_PATH=/sbin/init:/rescue/init 2782bc0e3a03SJeroen Ruigrok van der Werven 2783bc0e3a03SJeroen Ruigrok van der Werven# Debug options 2784bc0e3a03SJeroen Ruigrok van der Wervenoptions BUS_DEBUG # enable newbus debugging 27851c9c6382SRuslan Ermilovoptions DEBUG_VFS_LOCKS # enable VFS lock debugging 2786395bb186SSam Leffleroptions SOCKBUF_DEBUG # enable sockbuf last record/mb tail checking 278741c1a233SGleb Smirnoffoptions IFMEDIA_DEBUG # enable debugging in net/if_media.c 2788bc0e3a03SJeroen Ruigrok van der Werven 2789e2c1a4e9SBenno Rice# 2790e2c1a4e9SBenno Rice# Verbose SYSINIT 2791e2c1a4e9SBenno Rice# 2792e2c1a4e9SBenno Rice# Make the SYSINIT process performed by mi_startup() verbose. This is very 2793e2c1a4e9SBenno Rice# useful when porting to a new architecture. If DDB is also enabled, this 2794199b9ab8SIan Lepore# will print function names instead of addresses. If defined with a value 2795199b9ab8SIan Lepore# of zero, the verbose code is compiled-in but disabled by default, and can 2796199b9ab8SIan Lepore# be enabled with the debug.verbose_sysinit=1 tunable. 2797e2c1a4e9SBenno Riceoptions VERBOSE_SYSINIT 2798e2c1a4e9SBenno Rice 2799446af86dSJohn Baldwin##################################################################### 2800446af86dSJohn Baldwin# SYSV IPC KERNEL PARAMETERS 2801446af86dSJohn Baldwin# 2802446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used on the system at 2803446af86dSJohn Baldwin# one time. 2804446af86dSJohn Baldwinoptions SEMMNI=11 2805446af86dSJohn Baldwin 2806446af86dSJohn Baldwin# Total number of semaphores system wide 2807446af86dSJohn Baldwinoptions SEMMNS=61 2808446af86dSJohn Baldwin 2809446af86dSJohn Baldwin# Total number of undo structures in system 2810446af86dSJohn Baldwinoptions SEMMNU=31 2811446af86dSJohn Baldwin 2812446af86dSJohn Baldwin# Maximum number of System V semaphores that can be used by a single process 2813446af86dSJohn Baldwin# at one time. 2814446af86dSJohn Baldwinoptions SEMMSL=61 2815446af86dSJohn Baldwin 2816446af86dSJohn Baldwin# Maximum number of operations that can be outstanding on a single System V 2817446af86dSJohn Baldwin# semaphore at one time. 2818446af86dSJohn Baldwinoptions SEMOPM=101 2819446af86dSJohn Baldwin 2820446af86dSJohn Baldwin# Maximum number of undo operations that can be outstanding on a single 2821446af86dSJohn Baldwin# System V semaphore at one time. 2822446af86dSJohn Baldwinoptions SEMUME=11 2823446af86dSJohn Baldwin 2824446af86dSJohn Baldwin# Maximum number of shared memory pages system wide. 2825446af86dSJohn Baldwinoptions SHMALL=1025 2826446af86dSJohn Baldwin 2827446af86dSJohn Baldwin# Maximum size, in bytes, of a single System V shared memory region. 282825388b6cSBruce Evansoptions SHMMAX=(SHMMAXPGS*PAGE_SIZE+1) 2829446af86dSJohn Baldwinoptions SHMMAXPGS=1025 2830446af86dSJohn Baldwin 2831446af86dSJohn Baldwin# Minimum size, in bytes, of a single System V shared memory region. 2832446af86dSJohn Baldwinoptions SHMMIN=2 2833446af86dSJohn Baldwin 2834446af86dSJohn Baldwin# Maximum number of shared memory regions that can be used on the system 2835446af86dSJohn Baldwin# at one time. 2836446af86dSJohn Baldwinoptions SHMMNI=33 2837446af86dSJohn Baldwin 2838446af86dSJohn Baldwin# Maximum number of System V shared memory regions that can be attached to 2839446af86dSJohn Baldwin# a single process at one time. 2840446af86dSJohn Baldwinoptions SHMSEG=9 2841446af86dSJohn Baldwin 2842d9282887SDima Dorfman# Set the amount of time (in seconds) the system will wait before 2843d9282887SDima Dorfman# rebooting automatically when a kernel panic occurs. If set to (-1), 2844d9282887SDima Dorfman# the system will wait indefinitely until a key is pressed on the 2845d9282887SDima Dorfman# console. 2846d9282887SDima Dorfmanoptions PANIC_REBOOT_WAIT_TIME=16 2847d9282887SDima Dorfman 28485bbb8060STor Egge# Attempt to bypass the buffer cache and put data directly into the 28495bbb8060STor Egge# userland buffer for read operation when O_DIRECT flag is set on the 28505bbb8060STor Egge# file. Both offset and length of the read operation must be 28515bbb8060STor Egge# multiples of the physical media sector size. 28525bbb8060STor Egge# 2853995356dcSDag-Erling Smørgravoptions DIRECTIO 28545bbb8060STor Egge 28555bbb8060STor Egge# Specify a lower limit for the number of swap I/O buffers. They are 28565bbb8060STor Egge# (among other things) used when bypassing the buffer cache due to 28575bbb8060STor Egge# DIRECTIO kernel option enabled and O_DIRECT flag set on file. 28585bbb8060STor Egge# 2859995356dcSDag-Erling Smørgravoptions NSWBUF_MIN=120 28605bbb8060STor Egge 2861446af86dSJohn Baldwin##################################################################### 2862446af86dSJohn Baldwin 2863bc0e3a03SJeroen Ruigrok van der Werven# More undocumented options for linting. 28649c0ef6d5SOliver Fromme# Note that documenting these is not considered an affront. 2865bc0e3a03SJeroen Ruigrok van der Werven 2866bc0e3a03SJeroen Ruigrok van der Wervenoptions CAM_DEBUG_DELAY 286728d7984fSJeroen Ruigrok van der Werven 286828d7984fSJeroen Ruigrok van der Werven# VFS cluster debugging. 2869bc0e3a03SJeroen Ruigrok van der Wervenoptions CLUSTERDEBUG 287028d7984fSJeroen Ruigrok van der Werven 2871bc0e3a03SJeroen Ruigrok van der Wervenoptions DEBUG 28728b6f5e65SJeroen Ruigrok van der Werven 287328d7984fSJeroen Ruigrok van der Werven# Kernel filelock debugging. 2874bc0e3a03SJeroen Ruigrok van der Wervenoptions LOCKF_DEBUG 287528d7984fSJeroen Ruigrok van der Werven 28768b6f5e65SJeroen Ruigrok van der Werven# System V compatible message queues 28778b6f5e65SJeroen Ruigrok van der Werven# Please note that the values provided here are used to test kernel 28788b6f5e65SJeroen Ruigrok van der Werven# building. The defaults in the sources provide almost the same numbers. 28798b6f5e65SJeroen Ruigrok van der Werven# MSGSSZ must be a power of 2 between 8 and 1024. 28808b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNB=2049 # Max number of chars in queue 28818b6f5e65SJeroen Ruigrok van der Wervenoptions MSGMNI=41 # Max number of message queue identifiers 28828b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSEG=2049 # Max number of message segments 28838b6f5e65SJeroen Ruigrok van der Wervenoptions MSGSSZ=16 # Size of a message segment 28848b6f5e65SJeroen Ruigrok van der Wervenoptions MSGTQL=41 # Max number of messages in system 28858b6f5e65SJeroen Ruigrok van der Werven 28868b6f5e65SJeroen Ruigrok van der Wervenoptions NBUF=512 # Number of buffer headers 28878b6f5e65SJeroen Ruigrok van der Werven 28888b6f5e65SJeroen Ruigrok van der Wervenoptions SC_DEBUG_LEVEL=5 # Syscons debug level 28898b6f5e65SJeroen Ruigrok van der Wervenoptions SC_RENDER_DEBUG # syscons rendering debugging 28908b6f5e65SJeroen Ruigrok van der Werven 28918b6f5e65SJeroen Ruigrok van der Wervenoptions VFS_BIO_DEBUG # VFS buffer I/O debugging 28928b6f5e65SJeroen Ruigrok van der Werven 2893316ec49aSScott Longoptions KSTACK_MAX_PAGES=32 # Maximum pages to give the kernel stack 2894b7627840SKonstantin Belousovoptions KSTACK_USAGE_PROF 2895316ec49aSScott Long 2896662d3818SScott Long# Adaptec Array Controller driver options 2897662d3818SScott Longoptions AAC_DEBUG # Debugging levels: 2898662d3818SScott Long # 0 - quiet, only emit warnings 2899662d3818SScott Long # 1 - noisy, emit major function 2900662d3818SScott Long # points and things done 2901662d3818SScott Long # 2 - extremely noisy, emit trace 2902662d3818SScott Long # items in loops, etc. 2903662d3818SScott Long 2904097055e2SEdward Tomasz Napierala# Resource Accounting 2905097055e2SEdward Tomasz Napieralaoptions RACCT 2906097055e2SEdward Tomasz Napierala 2907ec125fbbSEdward Tomasz Napierala# Resource Limits 2908ec125fbbSEdward Tomasz Napieralaoptions RCTL 2909ec125fbbSEdward Tomasz Napierala 29101e9ea774SBruce Evans# Yet more undocumented options for linting. 29111e9ea774SBruce Evans# BKTR_ALLOC_PAGES has no effect except to cause warnings, and 29121e9ea774SBruce Evans# BROOKTREE_ALLOC_PAGES hasn't actually been superseded by it, since the 29131e9ea774SBruce Evans# driver still mostly spells this option BROOKTREE_ALLOC_PAGES. 291425388b6cSBruce Evans##options BKTR_ALLOC_PAGES=(217*4+1) 291525388b6cSBruce Evansoptions BROOKTREE_ALLOC_PAGES=(217*4+1) 29161e9ea774SBruce Evansoptions MAXFILES=999 2917efba048eSXin LI 2918997b0a64SDag-Erling Smørgrav# Random number generator 291919fa89e9SMark Murray# Allow the CSPRNG algorithm to be loaded as a module. 292019fa89e9SMark Murray#options RANDOM_LOADABLE 2921e866d8f0SMark Murray# Select this to allow high-rate but potentially expensive 2922e866d8f0SMark Murray# harvesting of Slab-Allocator entropy. In very high-rate 2923e866d8f0SMark Murray# situations the value of doing this is dubious at best. 2924e866d8f0SMark Murrayoptions RANDOM_ENABLE_UMA # slab allocator 292581e3caafSJustin Hibbits 2926a6bc59f2SMatt Macy# Select this to allow high-rate but potentially expensive 2927a6bc59f2SMatt Macy# harvesting of of the m_next pointer in the mbuf. Note that 2928a6bc59f2SMatt Macy# the m_next pointer is NULL except when receiving > 4K 2929a6bc59f2SMatt Macy# jumbo frames or sustained bursts by way of LRO. Thus in 2930a6bc59f2SMatt Macy# the common case it is stirring zero in to the entropy 2931a6bc59f2SMatt Macy# pool. In cases where it is not NULL it is pointing to one 2932a6bc59f2SMatt Macy# of a small (in the thousands to 10s of thousands) number 2933a6bc59f2SMatt Macy# of 256 byte aligned mbufs. Hence it is, even in the best 2934a6bc59f2SMatt Macy# case, a poor source of entropy. And in the absence of actual 2935a6bc59f2SMatt Macy# runtime analysis of entropy collection may mislead the user in 2936a6bc59f2SMatt Macy# to believe that substantially more entropy is being collected 2937a6bc59f2SMatt Macy# than in fact is - leading to a different class of security 2938a6bc59f2SMatt Macy# risk. In high packet rate situations ethernet entropy 2939a6bc59f2SMatt Macy# collection is also very expensive, possibly leading to as 2940a6bc59f2SMatt Macy# much as a 50% drop in packets received. 2941a6bc59f2SMatt Macy# This option is present to maintain backwards compatibility 2942a6bc59f2SMatt Macy# if desired, however it cannot be recommended for use in any 2943a6bc59f2SMatt Macy# environment. 2944a6bc59f2SMatt Macyoptions RANDOM_ENABLE_ETHER # ether_input 2945a6bc59f2SMatt Macy 294681e3caafSJustin Hibbits# Module to enable execution of application via emulators like QEMU 294781e3caafSJustin Hibbitsoptions IMAGACT_BINMISC 2948aa14e9b7SMark Johnston 2949aa14e9b7SMark Johnston# zlib I/O stream support 2950aa14e9b7SMark Johnston# This enables support for compressed core dumps. 2951aa14e9b7SMark Johnstonoptions GZIO 2952fb403678SAdrian Chadd 29536026dcd7SMark Johnston# zstd I/O stream support 29546026dcd7SMark Johnston# This enables support for Zstd compressed core dumps. 29556026dcd7SMark Johnstonoptions ZSTDIO 29566026dcd7SMark Johnston 2957fb403678SAdrian Chadd# BHND(4) drivers 2958fb403678SAdrian Chaddoptions BHND_LOGLEVEL # Logging threshold level 29592b3f6d66SOleksandr Tymoshenko 29602b3f6d66SOleksandr Tymoshenko# evdev interface 2961a6b15a34SOleksandr Tymoshenkodevice evdev # input event device support 2962a6b15a34SOleksandr Tymoshenkooptions EVDEV_SUPPORT # evdev support in legacy drivers 2963a6b15a34SOleksandr Tymoshenkooptions EVDEV_DEBUG # enable event debug msgs 2964a6b15a34SOleksandr Tymoshenkodevice uinput # install /dev/uinput cdev 2965a6b15a34SOleksandr Tymoshenkooptions UINPUT_DEBUG # enable uinput debug msgs 2966480f31c2SKonrad Witaszczyk 2967480f31c2SKonrad Witaszczyk# Encrypted kernel crash dumps. 2968480f31c2SKonrad Witaszczykoptions EKCD 29691fcf4de0SIan Lepore 29702d7e9271SIan Lepore# Serial Peripheral Interface (SPI) support. 29712d7e9271SIan Leporedevice spibus # Bus support. 29722d7e9271SIan Leporedevice at45d # DataFlash driver 29732d7e9271SIan Leporedevice cqspi # 29742d7e9271SIan Leporedevice mx25l # SPIFlash driver 29752d7e9271SIan Leporedevice n25q # 29762d7e9271SIan Leporedevice spigen # Generic access to SPI devices from userland. 29771fcf4de0SIan Lepore# Enable legacy /dev/spigenN name aliases for /dev/spigenX.Y devices. 29781fcf4de0SIan Leporeoptions SPIGEN_LEGACY_CDEVNAME # legacy device names for spigen 2979e8643b01SKonstantin Belousov 2980e8643b01SKonstantin Belousovdevice xz # xz_embedded LZMA de-compression library 2981