1ba1cabf4SPeter Wemm# 2afa88623SPeter Wemm# GENERIC -- Generic kernel configuration file for FreeBSD/amd64 3677060b4SPoul-Henning Kamp# 4650ea0d6SLuigi Rizzo# For more information on this file, please read the config(5) manual page, 5650ea0d6SLuigi Rizzo# and/or the handbook section on Kernel Configuration Files: 6d571daa0SJordan K. Hubbard# 7c0727dcbSMarc Fonvieille# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html 8d571daa0SJordan K. Hubbard# 9d571daa0SJordan K. Hubbard# The handbook is also available locally in /usr/share/doc/handbook 10d571daa0SJordan K. Hubbard# if you've installed the doc distribution, otherwise always see the 11214d1c55STim Vanderhoek# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the 12d571daa0SJordan K. Hubbard# latest information. 13677060b4SPoul-Henning Kamp# 148830dd31SWolfram Schneider# An exhaustive list of options and more detailed explanations of the 15dde04295SJohn Baldwin# device lines is also present in the ../../conf/NOTES and NOTES files. 16dde04295SJohn Baldwin# If you are in doubt as to the purpose or necessity of a line, check first 17dde04295SJohn Baldwin# in NOTES. 188830dd31SWolfram Schneider# 19c3aac50fSPeter Wemm# $FreeBSD$ 20677060b4SPoul-Henning Kamp 21afa88623SPeter Wemmcpu HAMMER 22677060b4SPoul-Henning Kampident GENERIC 23677060b4SPoul-Henning Kamp 243f1afabfSWarner Loshmakeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 25e9acaa9aSBrooks Davismakeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 26713c9391SDavid E. O'Brien 2795b55771SKen Smithoptions SCHED_ULE # ULE scheduler 28444ba945SScott Longoptions PREEMPTION # Enable kernel thread preemption 29677060b4SPoul-Henning Kampoptions INET # InterNETworking 30ba1cabf4SPeter Wemmoptions INET6 # IPv6 communications protocols 313839369cSGeorge V. Neville-Neiloptions IPSEC # IP (v4/v6) security 3209fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload 334fabde56SChristian Bruefferoptions SCTP # Stream Control Transmission Protocol 344525c93eSJordan K. Hubbardoptions FFS # Berkeley Fast Filesystem 35bc265916SPeter Wemmoptions SOFTUPDATES # Enable FFS soft updates support 36ba1cabf4SPeter Wemmoptions UFS_ACL # Support for access control lists 37ba1cabf4SPeter Wemmoptions UFS_DIRHASH # Improve performance on big directories 38fef2a259SPawel Jakub Dawidekoptions UFS_GJOURNAL # Enable gjournal-based UFS journaling 390dcbedfaSKonstantin Belousovoptions QUOTA # Enable disk quotas for UFS 4070c3f049SMark Murrayoptions MD_ROOT # MD is a potential root device 413e32dff5SJohn Baldwinoptions NFSCL # Network Filesystem Client 423e32dff5SJohn Baldwinoptions NFSD # Network Filesystem Server 43fa9d9930SDoug Rabsonoptions NFSLOCKD # Network Lock Manager 4488c037e2SRick Macklemoptions NFS_ROOT # NFS usable as /, requires NFSCL 45ba1cabf4SPeter Wemmoptions MSDOSFS # MSDOS Filesystem 46ba1cabf4SPeter Wemmoptions CD9660 # ISO 9660 Filesystem 47ba1cabf4SPeter Wemmoptions PROCFS # Process filesystem (requires PSEUDOFS) 48ba1cabf4SPeter Wemmoptions PSEUDOFS # Pseudo-filesystem framework 491d3aed33SMarcel Moolenaaroptions GEOM_PART_GPT # GUID Partition Tables. 50c078c188SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 51983f9709SBrooks Davisoptions GEOM_LABEL # Provides labelization 52841c0c7eSNathan Whitehornoptions COMPAT_FREEBSD32 # Compatible with i386 binaries 53713c9391SDavid E. O'Brienoptions COMPAT_FREEBSD4 # Compatible with FreeBSD4 5422e59cecSKen Smithoptions COMPAT_FREEBSD5 # Compatible with FreeBSD5 556c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 # Compatible with FreeBSD6 565965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 # Compatible with FreeBSD7 577d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 # Compatible with FreeBSD9 587d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 # Compatible with FreeBSD10 5932672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 60ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 613c90d1eaSRobert Watsonoptions STACK # stack(9) support 62713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 63713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 64713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 65118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 66c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 67ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 68dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 6968ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 70009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 71009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 72bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 73e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 74e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 75b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 7687948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 77ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 78ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 79ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 80677060b4SPoul-Henning Kamp 816168545aSKen Smith# Debugging support. Always need this: 828bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 83818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 849ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 858bcb1e9eSMarcel Moolenaaroptions DDB # Support DDB. 868bcb1e9eSMarcel Moolenaaroptions GDB # Support remote GDB. 8788cbfa85SAttilio Raooptions DEADLKRES # Enable the deadlock resolver 88686710f7SAttilio Raooptions INVARIANTS # Enable calls of extra sanity checking 8947e87d5aSWarner Loshoptions INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 90686710f7SAttilio Raooptions WITNESS # Enable checks to detect deadlocks and cycles 91686710f7SAttilio Raooptions WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 92686710f7SAttilio Raooptions MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 938fab58d8SPoul-Henning Kamp 94b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 95b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 967ecf8cabSJohn Baldwinoptions DEVICE_NUMA # I/O Device Affinity 97118ef86eSJohn Baldwin 98a7b811a6SNate Lawson# CPU frequency control 99a7b811a6SNate Lawsondevice cpufreq 100a7b811a6SNate Lawson 10154903605SPeter Wemm# Bus support. 102a4d60a7fSPeter Wemmdevice acpi 10386be9f0dSKonstantin Belousovoptions ACPI_DMAR 104b618108fSPeter Wemmdevice pci 1059bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 106ba1cabf4SPeter Wemm 107ba1cabf4SPeter Wemm# Floppy drives 108ba1cabf4SPeter Wemmdevice fdc 109677060b4SPoul-Henning Kamp 11097b53e36SAlexander Motin# ATA controllers 11197b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 11297b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 11397b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 11497b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 115ff680471SDavid E. O'Brien 116ba1cabf4SPeter Wemm# SCSI Controllers 117ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 1183b28c0c6SXin LIoptions AHC_REG_PRETTY_PRINT # Print register bitfields in debug 1193b28c0c6SXin LI # output. Adds ~128k to driver. 120ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 1213b28c0c6SXin LIoptions AHD_REG_PRETTY_PRINT # Print register bitfields in debug 1223b28c0c6SXin LI # output. Adds ~215k to driver. 123a9ab459bSMarius Strobldevice esp # AMD Am53C974 (Tekram DC-390(T)) 1244439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 125ba1cabf4SPeter Wemmdevice isp # Qlogic family 12646ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 127ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 128d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 129991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 130ba1cabf4SPeter Wemm#device ncr # NCR/Symbios Logic 131b8aeddf1SPeter Wemmdevice sym # NCR/Symbios Logic (newer chipsets + those of `ncr') 132ba1cabf4SPeter Wemmdevice trm # Tekram DC395U/UW/F DC315U adapters 133ba1cabf4SPeter Wemm 134ba1cabf4SPeter Wemmdevice adv # Advansys SCSI adapters 135ba1cabf4SPeter Wemmdevice adw # Advansys wide SCSI adapters 136ba1cabf4SPeter Wemmdevice aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60. 137ba1cabf4SPeter Wemmdevice bt # Buslogic/Mylex MultiMaster SCSI adapters 138f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 139ba1cabf4SPeter Wemm 14097b53e36SAlexander Motin# ATA/SCSI peripherals 14197b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 142ba1cabf4SPeter Wemmdevice ch # SCSI media changers 143ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 144ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 145ba1cabf4SPeter Wemmdevice cd # CD 14697b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 147130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1488ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 149ba1cabf4SPeter Wemm 150a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 1514d598bc1SMaxim Sobolevdevice amr # AMI MegaRAID 152d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 153a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 154a4d60a7fSPeter Wemmdevice dpt # DPT Smartcache III, IV - See NOTES for options 155dc8540a9SScott Longdevice hptmv # Highpoint RocketRAID 182x 1561fdeb165SXin LIdevice hptnr # Highpoint DC7280, R750 157b063a422SScott Longdevice hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx 1580807ad74SXin LIdevice hpt27xx # Highpoint RocketRAID 27xx 159a4d60a7fSPeter Wemmdevice iir # Intel Integrated RAID 160a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 161a4d60a7fSPeter Wemmdevice mly # Mylex AcceleRAID/eXtremeRAID 1622a779082SPeter Wemmdevice twa # 3ware 9000 series PATA/SATA RAID 163309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 164a4d60a7fSPeter Wemm 165ba1cabf4SPeter Wemm# RAID controllers 166df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 167df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 168dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 169ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1707f631a41SScott Longdevice mfi # LSI MegaRAID SAS 171ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 172a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 17375333e64SWarner Loshdevice pmspcv # PMC-Sierra SAS/SATA Controller driver 174ba1cabf4SPeter Wemm#XXX pointer/int warnings 175ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 176ba1cabf4SPeter Wemmdevice twe # 3ware ATA RAID 177ba1cabf4SPeter Wemm 1786e3471bdSJim Harris# NVM Express (NVMe) support 1796e3471bdSJim Harrisdevice nvme # base NVMe driver 1806e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 1816e3471bdSJim Harris 18223f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 18314426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 18414426b9cSPeter Wemmdevice atkbd # AT keyboard 18514426b9cSPeter Wemmdevice psm # PS/2 mouse 1862ad872c5SKazutaka YOKOTA 187b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 188b6431012SMaksim Yevmenkin 18914426b9cSPeter Wemmdevice vga # VGA video card driver 190e883bb1aSJung-uk Kimoptions VESA # Add support for VESA BIOS Extensions (VBE) 1912ad872c5SKazutaka YOKOTA 19214426b9cSPeter Wemmdevice splash # Splash screen and screen saver support 1932ad872c5SKazutaka YOKOTA 194c19da41eSPeter Wemm# syscons is the default console driver, resembling an SCO console 19514426b9cSPeter Wemmdevice sc 19600c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 1975895e3c8SPeter Wemm 19830dbb3eaSEd Maste# vt is the new video console driver 19930dbb3eaSEd Mastedevice vt 20030dbb3eaSEd Mastedevice vt_vga 20130dbb3eaSEd Mastedevice vt_efifb 20230dbb3eaSEd Maste 203354096a3SEric Anholtdevice agp # support several AGP chipsets 204354096a3SEric Anholt 205ba1cabf4SPeter Wemm# PCCARD (PCMCIA) support 2063a0bfa76SPeter Wemm# PCMCIA and cardbus bridge support 207ba1cabf4SPeter Wemmdevice cbb # cardbus (yenta) bridge 208ba1cabf4SPeter Wemmdevice pccard # PC Card (16-bit) bus 209ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 210e597b497SNate Williams 2111f06573dSPeter Wemm# Serial (COM) ports 21238195fdcSMarcel Moolenaardevice uart # Generic UART driver 213677060b4SPoul-Henning Kamp 21404e83575SJoseph Koshy# Parallel port 215ba1cabf4SPeter Wemmdevice ppc 216ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 217ba1cabf4SPeter Wemmdevice lpt # Printer 218ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 219ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 220ba1cabf4SPeter Wemm 2213a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 222ba1cabf4SPeter Wemm 223ba1cabf4SPeter Wemm# PCI Ethernet NICs. 2244e400768SDavid Christensendevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 225ba1cabf4SPeter Wemmdevice de # DEC/Intel DC21x4x (``Tulip'') 226859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 227859ff640SJack F Vogeldevice igb # Intel PRO/1000 PCIE Server Gigabit Family 228758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 229758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 23014f2533cSBjoern A. Zeebdevice ixl # Intel XL710 40Gbe PCIE Ethernet 23114f2533cSBjoern A. Zeebdevice ixlv # Intel XL710 40Gbe VF PCIE Ethernet 2328df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2336e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 234ba1cabf4SPeter Wemmdevice txp # 3Com 3cR990 (``Typhoon'') 235ba1cabf4SPeter Wemmdevice vx # 3Com 3c590, 3c595 (``Vortex'') 236c6a5d1a6SPeter Wemm 237c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 238f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 239c9953c3bSPeter Wemmdevice miibus # MII bus support 240ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 24183a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 242d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2433c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 244d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2454e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2463fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 247b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 248ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2494d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2504664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 251b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 252b78ebd64SMarius Strobldevice hme # Sun HME (Happy Meal Ethernet) 25320f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2546f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2551f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 256b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2576f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 2588df071afSMarius Strobldevice pcn # AMD Am79C97x PCI 10/100 (precedence over 'le') 259a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 260ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 261ba1cabf4SPeter Wemmdevice sf # Adaptec AIC-6915 (``Starfire'') 262d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 263ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2644e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 265ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 266579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 267ba1cabf4SPeter Wemmdevice tl # Texas Instruments ThunderLAN 268ba1cabf4SPeter Wemmdevice tx # SMC EtherPower II (83c170 ``EPIC'') 2696f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 270ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 271ba1cabf4SPeter Wemmdevice wb # Winbond W89C840F 272c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 27329c6a10bSGarrett Wollman 274ba1cabf4SPeter Wemm# Wireless NIC cards 275ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2766c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 2776c26723bSSam Leffleroptions IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's 278c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 27957d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 28057d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 28157d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 28200465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 283ba1cabf4SPeter Wemmdevice an # Aironet 4500/4800 802.11 wireless NICs. 28467944c45SGlen Barberdevice ath # Atheros NICs 285dba9c859SAdrian Chadddevice ath_pci # Atheros pci/cardbus glue 28633644623SSam Lefflerdevice ath_hal # pci/cardbus chip support 28733644623SSam Leffleroptions AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors 2883342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 28983567110SAdrian Chaddoptions ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 29057d6ae06SSam Lefflerdevice ath_rate_sample # SampleRate tx rate control for ath 291d1f25d5dSBernhard Schmidt#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 292d1f25d5dSBernhard Schmidt#device bwn # Broadcom BCM43xx wireless NICs. 293d1f25d5dSBernhard Schmidtdevice ipw # Intel 2100 wireless NICs. 294d1f25d5dSBernhard Schmidtdevice iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 295d1f25d5dSBernhard Schmidtdevice iwn # Intel 4965/1000/5000/6000 wireless NICs. 296d1f25d5dSBernhard Schmidtdevice malo # Marvell Libertas wireless NICs. 297d1f25d5dSBernhard Schmidtdevice mwl # Marvell 88W8363 802.11n wireless NICs. 2980b090f41SDamien Bergaminidevice ral # Ralink Technology RT2500 wireless NICs. 299ba1cabf4SPeter Wemmdevice wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs. 300d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 301ba1cabf4SPeter Wemm 302aa355a26SMaxim Konovalov# Pseudo devices. 303f71c01ccSPeter Wemmdevice loop # Network loopback 3048ab2f5ecSMark Murraydevice random # Entropy device 30546be218dSDavid E. O'Briendevice padlock_rng # VIA Padlock RNG 30646be218dSDavid E. O'Briendevice rdrand_rng # Intel Bull Mountain RNG 307f71c01ccSPeter Wemmdevice ether # Ethernet support 3089efde583SBrooks Davisdevice vlan # 802.1Q VLAN support 309ba1cabf4SPeter Wemmdevice tun # Packet tunnel. 310ba1cabf4SPeter Wemmdevice md # Memory "disks" 311ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 312086ba9f7SMatt Jacobdevice firmware # firmware assist module 313713c9391SDavid E. O'Brien 314713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 315713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 316991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 317713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3180cec007cSNick Hibma 319c89d41e5SAndrew Thompson# USB support 320f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 321c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 322c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 323c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 324144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 325c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 326c89d41e5SAndrew Thompsondevice ukbd # Keyboard 327c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 328ba1cabf4SPeter Wemm 329701b698bSJoel Dahl# Sound support 330701b698bSJoel Dahldevice sound # Generic sound driver (required) 331f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 332f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 333f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 334701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 335701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 336701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 337701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 338966d0ed1SKevin Lo 339966d0ed1SKevin Lo# MMC/SD 340966d0ed1SKevin Lodevice mmc # MMC/SD bus 341966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 342966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 343ae366ffcSBryan Venteicher 344ae366ffcSBryan Venteicher# VirtIO support 345ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 346ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 347ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 348ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 349ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 350ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 35115b996d7SPeter Grehan 352edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 35391aff610SGlen Barberdevice hyperv # HyperV drivers 35491aff610SGlen Barber 3556b48eebeSGlen Barber# Xen HVM Guest Optimizations 3566b48eebeSGlen Barber# NOTE: XENHVM depends on xenpci. They must be added or removed together. 3576b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 3586b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 359566a5f50SJustin T. Gibbs 36003c6abfdSBryan Venteicher# VMware support 36103c6abfdSBryan Venteicherdevice vmx # VMware VMXNET3 Ethernet 362169760a4SGeorge V. Neville-Neil 363169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3642ec930efSPatrick Kelseydevice netmap # netmap(4) support 365169760a4SGeorge V. Neville-Neil 366f4c1eac7SChristian Brueffer# The crypto framework is required by IPSEC 3673839369cSGeorge V. Neville-Neildevice crypto # Required by IPSEC 368