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# 7c1a14887SCeri Davies# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 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 11a2aef24aSEitan Adler# FreeBSD World Wide Web server (https://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# 19677060b4SPoul-Henning Kamp 20afa88623SPeter Wemmcpu HAMMER 21677060b4SPoul-Henning Kampident GENERIC 22677060b4SPoul-Henning Kamp 233f1afabfSWarner Loshmakeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 24e9acaa9aSBrooks Davismakeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 25713c9391SDavid E. O'Brien 2695b55771SKen Smithoptions SCHED_ULE # ULE scheduler 27e382dd47SMateusz Guzikoptions NUMA # Non-Uniform Memory Architecture support 28444ba945SScott Longoptions PREEMPTION # Enable kernel thread preemption 298e94025bSBjoern A. Zeeboptions VIMAGE # Subsystem virtualization, e.g. VNET 30677060b4SPoul-Henning Kampoptions INET # InterNETworking 31ba1cabf4SPeter Wemmoptions INET6 # IPv6 communications protocols 323b65550eSJosh Paetzeloptions IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 33d5fe384bSAlexander V. Chernikovoptions ROUTE_MPATH # Multipath routing support 346993187aSAlexander V. Chernikovoptions FIB_ALGO # Modular fib lookups 3509fe6320SNavdeep Parharoptions TCP_OFFLOAD # TCP offload 36e24e5683SJonathan T. Looneyoptions TCP_BLACKBOX # Enhanced TCP event logging 37bd79708dSJonathan T. Looneyoptions TCP_HHOOK # hhook(9) framework for TCP 3818a75309SPatrick Kelseyoptions TCP_RFC7413 # TCP Fast Open 39e64080e7SMark Johnstonoptions SCTP_SUPPORT # Allow kldload of SCTP 40efa9c21bSAndrew Gallatinoptions KERN_TLS # TLS transmit & receive offload 414525c93eSJordan K. Hubbardoptions FFS # Berkeley Fast Filesystem 42bc265916SPeter Wemmoptions SOFTUPDATES # Enable FFS soft updates support 43ba1cabf4SPeter Wemmoptions UFS_ACL # Support for access control lists 44ba1cabf4SPeter Wemmoptions UFS_DIRHASH # Improve performance on big directories 45fef2a259SPawel Jakub Dawidekoptions UFS_GJOURNAL # Enable gjournal-based UFS journaling 460dcbedfaSKonstantin Belousovoptions QUOTA # Enable disk quotas for UFS 4770c3f049SMark Murrayoptions MD_ROOT # MD is a potential root device 483e32dff5SJohn Baldwinoptions NFSCL # Network Filesystem Client 493e32dff5SJohn Baldwinoptions NFSD # Network Filesystem Server 50fa9d9930SDoug Rabsonoptions NFSLOCKD # Network Lock Manager 5188c037e2SRick Macklemoptions NFS_ROOT # NFS usable as /, requires NFSCL 52ba1cabf4SPeter Wemmoptions MSDOSFS # MSDOS Filesystem 53ba1cabf4SPeter Wemmoptions CD9660 # ISO 9660 Filesystem 54ba1cabf4SPeter Wemmoptions PROCFS # Process filesystem (requires PSEUDOFS) 55ba1cabf4SPeter Wemmoptions PSEUDOFS # Pseudo-filesystem framework 56b798ef64SAlex Richardsonoptions TMPFS # Efficient memory filesystem 57c078c188SAlexander Motinoptions GEOM_RAID # Soft RAID functionality. 58983f9709SBrooks Davisoptions GEOM_LABEL # Provides labelization 59164138e7SKyle Evansoptions EFIRT # EFI Runtime Services support 60841c0c7eSNathan Whitehornoptions COMPAT_FREEBSD32 # Compatible with i386 binaries 61713c9391SDavid E. O'Brienoptions COMPAT_FREEBSD4 # Compatible with FreeBSD4 6222e59cecSKen Smithoptions COMPAT_FREEBSD5 # Compatible with FreeBSD5 636c9fdda7SRuslan Ermilovoptions COMPAT_FREEBSD6 # Compatible with FreeBSD6 645965c4b7SJohn Baldwinoptions COMPAT_FREEBSD7 # Compatible with FreeBSD7 657d313e7bSJohn Baldwinoptions COMPAT_FREEBSD9 # Compatible with FreeBSD9 667d313e7bSJohn Baldwinoptions COMPAT_FREEBSD10 # Compatible with FreeBSD10 677f68a896SMark Johnstonoptions COMPAT_FREEBSD11 # Compatible with FreeBSD11 68d6745408SConrad Meyeroptions COMPAT_FREEBSD12 # Compatible with FreeBSD12 694e85b648SKristof Provostoptions COMPAT_FREEBSD13 # Compatible with FreeBSD13 7084d12f88SKristof Provostoptions COMPAT_FREEBSD14 # Compatible with FreeBSD14 7132672ba8SAndre Oppermannoptions SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 72ba1cabf4SPeter Wemmoptions KTRACE # ktrace(1) support 733c90d1eaSRobert Watsonoptions STACK # stack(9) support 74713c9391SDavid E. O'Brienoptions SYSVSHM # SYSV-style shared memory 75713c9391SDavid E. O'Brienoptions SYSVMSG # SYSV-style message queues 76713c9391SDavid E. O'Brienoptions SYSVSEM # SYSV-style semaphores 77118ef86eSJohn Baldwinoptions _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 78c2919fd8SEd Schoutenoptions PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 79ba1cabf4SPeter Wemmoptions KBD_INSTALL_CDEV # install a CDEV entry in /dev 80dbd47f15SXin LIoptions HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 8168ce278eSMaxim Sobolevoptions AUDIT # Security event auditing 82009d2032SRobert Watsonoptions CAPABILITY_MODE # Capsicum capability mode 83009d2032SRobert Watsonoptions CAPABILITIES # Capsicum capabilities 84bd875f5fSRobert Watsonoptions MAC # TrustedBSD MAC Framework 85e9acaa9aSBrooks Davisoptions KDTRACE_FRAME # Ensure frames are compiled in 86e9acaa9aSBrooks Davisoptions KDTRACE_HOOKS # Kernel DTrace hooks 87b3a397a8SBrooks Davisoptions DDB_CTF # Kernel ELF linker loads CTF data 8887948dfdSWarner Loshoptions INCLUDE_CONFIG_FILE # Include this file in kernel 89ba8f0eb8SEdward Tomasz Napieralaoptions RACCT # Resource accounting framework 90ba8f0eb8SEdward Tomasz Napieralaoptions RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 91ba8f0eb8SEdward Tomasz Napieralaoptions RCTL # Resource limits 92677060b4SPoul-Henning Kamp 936168545aSKen Smith# Debugging support. Always need this: 948bcb1e9eSMarcel Moolenaaroptions KDB # Enable kernel debugger support. 95818d282eSAndriy Gaponoptions KDB_TRACE # Print a stack trace for a panic. 969ba0691bSAndriy Gapon# For full debugger support use (turn off in stable branch): 978a8daeafSLexi Winterinclude "std.debug" 988fab58d8SPoul-Henning Kamp 99892bdcccSMark Johnston# Kernel dump features. 100892bdcccSMark Johnstonoptions EKCD # Support for encrypted kernel dumps 101892bdcccSMark Johnstonoptions GZIO # gzip-compressed kernel and user dumps 102892bdcccSMark Johnstonoptions ZSTDIO # zstd-compressed kernel and user dumps 1037790c8c1SConrad Meyeroptions DEBUGNET # debugnet networking 104892bdcccSMark Johnstonoptions NETDUMP # netdump(4) client support 105dda17b36SConrad Meyeroptions NETGDB # netgdb(4) client support 106892bdcccSMark Johnston 107b8aeddf1SPeter Wemm# Make an SMP-capable kernel by default 108b8aeddf1SPeter Wemmoptions SMP # Symmetric MultiProcessor Kernel 109118ef86eSJohn Baldwin 110a7b811a6SNate Lawson# CPU frequency control 111a7b811a6SNate Lawsondevice cpufreq 112a7b811a6SNate Lawson 11354903605SPeter Wemm# Bus support. 114a4d60a7fSPeter Wemmdevice acpi 115d0673fe1SAllan Judedevice smbios 116f120ad6bSRuslan Bukinoptions IOMMU 117b618108fSPeter Wemmdevice pci 11882cb5c3bSJohn Baldwinoptions PCI_HP # PCI-Express native HotPlug 1199bfb1e36SRyan Stoneoptions PCI_IOV # PCI SR-IOV support 120ba1cabf4SPeter Wemm 1215832a3e3SKonstantin Belousovoptions COMPAT_LINUXKPI 1225832a3e3SKonstantin Belousov 123e81e77c5SKonstantin Belousov# Enable support for the kernel PLL to use an external PPS signal, 124e81e77c5SKonstantin Belousov# under supervision of [x]ntpd(8) 125e81e77c5SKonstantin Belousov# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 126e81e77c5SKonstantin Belousov 127e81e77c5SKonstantin Belousovoptions PPS_SYNC 128e81e77c5SKonstantin Belousov 129ba1cabf4SPeter Wemm# Floppy drives 130ba1cabf4SPeter Wemmdevice fdc 131677060b4SPoul-Henning Kamp 13297b53e36SAlexander Motin# ATA controllers 13397b53e36SAlexander Motindevice ahci # AHCI-compatible SATA controllers 13497b53e36SAlexander Motindevice ata # Legacy ATA/SATA controllers 13597b53e36SAlexander Motindevice mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 13697b53e36SAlexander Motindevice siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 137ff680471SDavid E. O'Brien 138ba1cabf4SPeter Wemm# SCSI Controllers 139ba1cabf4SPeter Wemmdevice ahc # AHA2940 and onboard AIC7xxx devices 140ba1cabf4SPeter Wemmdevice ahd # AHA39320/29320 and onboard AIC79xx devices 1414439f8b4SScott Longdevice hptiop # Highpoint RocketRaid 3xxx series 142ba1cabf4SPeter Wemmdevice isp # Qlogic family 14346ec31b0SPeter Wemm#device ispfw # Firmware for QLogic HBAs- normally a module 144ba1cabf4SPeter Wemmdevice mpt # LSI-Logic MPT-Fusion 145d3c7b9a0SKenneth D. Merrydevice mps # LSI-Logic MPT-Fusion 2 146991554f2SKenneth D. Merrydevice mpr # LSI-Logic MPT-Fusion 3 1476a186782SWarner Loshdevice sym # NCR/Symbios Logic 148f11c7f63SJim Harrisdevice isci # Intel C600 SAS controller 149ef270ab1SKenneth D. Merrydevice ocs_fc # Emulex FC adapters 150052e12a5SJosh Paetzeldevice pvscsi # VMware PVSCSI 151ba1cabf4SPeter Wemm 15297b53e36SAlexander Motin# ATA/SCSI peripherals 15397b53e36SAlexander Motindevice scbus # SCSI bus (required for ATA/SCSI) 154ba1cabf4SPeter Wemmdevice ch # SCSI media changers 155ba1cabf4SPeter Wemmdevice da # Direct Access (disks) 156ba1cabf4SPeter Wemmdevice sa # Sequential Access (tape etc) 157ba1cabf4SPeter Wemmdevice cd # CD 15897b53e36SAlexander Motindevice pass # Passthrough device (direct ATA/SCSI access) 159130f4520SKenneth D. Merrydevice ses # Enclosure Services (SES and SAF-TE) 1608ed98609SEdward Tomasz Napierala#device ctl # CAM Target Layer 161ba1cabf4SPeter Wemm 162a4d60a7fSPeter Wemm# RAID controllers interfaced to the SCSI subsystem 163d0885ac3SScott Longdevice arcmsr # Areca SATA II RAID 164a4d60a7fSPeter Wemmdevice ciss # Compaq Smart RAID 5* 165a4d60a7fSPeter Wemmdevice ips # IBM (Adaptec) ServeRAID 1661e66f787SSean Brunodevice smartpqi # Microsemi smartpqi driver 167309dca01SXin LIdevice tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 168a4d60a7fSPeter Wemm 169ba1cabf4SPeter Wemm# RAID controllers 170df6ece38SPeter Wemmdevice aac # Adaptec FSA RAID 171df6ece38SPeter Wemmdevice aacp # SCSI passthrough for aac (requires CAM) 172dce93cd0SAchim Leubnerdevice aacraid # Adaptec by PMC RAID 173ba1cabf4SPeter Wemmdevice ida # Compaq Smart RAID 1747f631a41SScott Longdevice mfi # LSI MegaRAID SAS 175ba1cabf4SPeter Wemmdevice mlx # Mylex DAC960 family 176a58b4afaSMark Johnstondevice mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 177ba1cabf4SPeter Wemm#XXX pointer/int warnings 178ba1cabf4SPeter Wemm#device pst # Promise Supertrak SX6000 179ba1cabf4SPeter Wemm 1806e3471bdSJim Harris# NVM Express (NVMe) support 1816e3471bdSJim Harrisdevice nvme # base NVMe driver 1826e3471bdSJim Harrisdevice nvd # expose NVMe namespaces as disks, depends on nvme 1836e3471bdSJim Harris 184f2521a76SDoug Ambrisko# Intel Volume Management Device (VMD) support 1857af4475aSAlexander Motindevice vmd 186f2521a76SDoug Ambrisko 18723f7bd17SBrian Somers# atkbdc0 controls both the keyboard and the PS/2 mouse 18814426b9cSPeter Wemmdevice atkbdc # AT keyboard controller 18914426b9cSPeter Wemmdevice atkbd # AT keyboard 19014426b9cSPeter Wemmdevice psm # PS/2 mouse 1912ad872c5SKazutaka YOKOTA 192b6431012SMaksim Yevmenkindevice kbdmux # keyboard multiplexer 193b6431012SMaksim Yevmenkin 194228e020aSEd Maste# syscons is the legacy console driver, resembling an SCO console 19528dcccc1SEd Mastedevice vga # VGA video card driver 19628dcccc1SEd Mastedevice splash # Splash screen and screen saver support 19714426b9cSPeter Wemmdevice sc 19800c885e1SJung-uk Kimoptions SC_PIXEL_MODE # add support for the raster text mode 1995895e3c8SPeter Wemm 200228e020aSEd Maste# vt is the default video console driver 20130dbb3eaSEd Mastedevice vt 20230dbb3eaSEd Mastedevice vt_vga 20330dbb3eaSEd Mastedevice vt_efifb 204a4a10b37SToomas Soomedevice vt_vbefb 20530dbb3eaSEd Maste 206354096a3SEric Anholtdevice agp # support several AGP chipsets 207354096a3SEric Anholt 208b4fba31bSWarner Losh# CardBus bridge support 209b4fba31bSWarner Loshdevice cbb # CardBus (yenta) bridge 210ba1cabf4SPeter Wemmdevice cardbus # CardBus (32-bit) bus 211e597b497SNate Williams 2121f06573dSPeter Wemm# Serial (COM) ports 21338195fdcSMarcel Moolenaardevice uart # Generic UART driver 214677060b4SPoul-Henning Kamp 21504e83575SJoseph Koshy# Parallel port 216ba1cabf4SPeter Wemmdevice ppc 217ba1cabf4SPeter Wemmdevice ppbus # Parallel port bus (required) 218ba1cabf4SPeter Wemmdevice lpt # Printer 219ba1cabf4SPeter Wemmdevice ppi # Parallel port interface device 220ba1cabf4SPeter Wemm#device vpo # Requires scbus and da 221ba1cabf4SPeter Wemm 2223a3ba1b0SJohn Baldwindevice puc # Multi I/O cards and multi-channel UARTs 223ba1cabf4SPeter Wemm 224c75f49f7SKonstantin Belousov# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 225c75f49f7SKonstantin Belousovdevice iflib 226859ff640SJack F Vogeldevice em # Intel PRO/1000 Gigabit Ethernet Family 227517904deSPeter Grehandevice igc # Intel I225 2.5G Ethernet 228758cc3dcSJack F Vogeldevice ix # Intel PRO/10GbE PCIE PF Ethernet 229758cc3dcSJack F Vogeldevice ixv # Intel PRO/10GbE PCIE VF Ethernet 23077c1fcecSEric Joynerdevice ixl # Intel 700 Series Physical Function 23177c1fcecSEric Joynerdevice iavf # Intel Adaptive Virtual Function 23271d10453SEric Joynerdevice ice # Intel 800 Series Physical Function 233c75f49f7SKonstantin Belousovdevice vmx # VMware VMXNET3 Ethernet 234aa776623SMuhammad Moinur Rahmandevice axp # AMD EPYC integrated NIC (requires miibus) 235c75f49f7SKonstantin Belousov 236c75f49f7SKonstantin Belousov# PCI Ethernet NICs. 237c75f49f7SKonstantin Belousovdevice bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 2388df071afSMarius Strobldevice le # AMD Am7900 LANCE and Am79C9xx PCnet 2396e535f6eSRemko Lodderdevice ti # Alteon Networks Tigon I/II gigabit Ethernet 240c6a5d1a6SPeter Wemm 2415832a3e3SKonstantin Belousov# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 2426a70a0c8SMaxim Sobolev# o requires COMPAT_LINUXKPI and xz(4) 2436a70a0c8SMaxim Sobolev# o mlx5ib requires ibcore infra and is not included by default 2445832a3e3SKonstantin Belousovdevice mlx5 # Base driver 2455832a3e3SKonstantin Belousovdevice mlxfw # Firmware update 2465832a3e3SKonstantin Belousovdevice mlx5en # Ethernet driver 2475832a3e3SKonstantin Belousov 248c6a5d1a6SPeter Wemm# PCI Ethernet NICs that use the common MII bus controller code. 249f94a808cSNik Clayton# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 250c9953c3bSPeter Wemmdevice miibus # MII bus support 251ba26d470SStanislav Sedovdevice ae # Attansic/Atheros L2 FastEthernet 25283a17b90SPyun YongHyeondevice age # Attansic/Atheros L1 Gigabit Ethernet 253d68875ebSPyun YongHyeondevice alc # Atheros AR8131/AR8132 Ethernet 2543c6e15bcSPyun YongHyeondevice ale # Atheros AR8121/AR8113/AR8114 Ethernet 255d8636a9aSPaul Saabdevice bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 2564e744b5eSDavid E. O'Briendevice bfe # Broadcom BCM440x 10/100 Ethernet 2573fc40c24SDavid E. O'Briendevice bge # Broadcom BCM570xx Gigabit Ethernet 258b78ebd64SMarius Strobldevice cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 259ba1cabf4SPeter Wemmdevice dc # DEC/Intel 21143 and various workalikes 2604d52a575SXin LIdevice et # Agere ET1310 10/100/Gigabit Ethernet 2614664a8d5SJonathan Lemondevice fxp # Intel EtherExpress PRO/100B (82557, 82558) 262b78ebd64SMarius Strobldevice gem # Sun GEM/Sun ERI/Apple GMAC 26320f99a5bSPyun YongHyeondevice jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 2646f4e528aSJun Kuriyamadevice lge # Level 1 LXT1001 gigabit Ethernet 2651f90cf98SPyun YongHyeondevice msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 266b5f0caf9SPyun YongHyeondevice nfe # nVidia nForce MCP on-board Ethernet 2676f4e528aSJun Kuriyamadevice nge # NatSemi DP83820 gigabit Ethernet 268a94100faSBill Pauldevice re # RealTek 8139C+/8169/8169S/8110S 269ba1cabf4SPeter Wemmdevice rl # RealTek 8129/8139 270d193ed0bSPyun YongHyeondevice sge # Silicon Integrated Systems SiS190/191 271ba1cabf4SPeter Wemmdevice sis # Silicon Integrated Systems SiS 900/SiS 7016 2724e744b5eSDavid E. O'Briendevice sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 273ba1cabf4SPeter Wemmdevice ste # Sundance ST201 (D-Link DFE-550TX) 274579aaaa4SMaxim Sobolevdevice stge # Sundance/Tamarack TC9021 gigabit Ethernet 2756f4e528aSJun Kuriyamadevice vge # VIA VT612x gigabit Ethernet 276ba1cabf4SPeter Wemmdevice vr # VIA Rhine, Rhine II 277c9953c3bSPeter Wemmdevice xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 27829c6a10bSGarrett Wollman 279ba1cabf4SPeter Wemm# Wireless NIC cards 280ba1cabf4SPeter Wemmdevice wlan # 802.11 support 2816c26723bSSam Leffleroptions IEEE80211_DEBUG # enable debug msgs 282c16c6b65SRui Paulooptions IEEE80211_SUPPORT_MESH # enable 802.11s draft support 28357d6ae06SSam Lefflerdevice wlan_wep # 802.11 WEP support 28457d6ae06SSam Lefflerdevice wlan_ccmp # 802.11 CCMP support 28557d6ae06SSam Lefflerdevice wlan_tkip # 802.11 TKIP support 28600465d5aSKevin Lodevice wlan_amrr # AMRR transmit rate control algorithm 28737c8ee88SMarius Strobldevice ath # Atheros CardBus/PCI NICs 28837c8ee88SMarius Strobldevice ath_hal # Atheros CardBus/PCI chip support 2893342d830SAdrian Chaddoptions AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 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. 299d1f25d5dSBernhard Schmidtdevice wpi # Intel 3945ABG wireless NICs. 300ba1cabf4SPeter Wemm 301aa355a26SMaxim Konovalov# Pseudo devices. 3028cd385fdSJohn Baldwindevice crypto # core crypto support 303074a91f7SJohn Baldwindevice aesni # AES-NI OpenCrypto module 304f71c01ccSPeter Wemmdevice loop # Network loopback 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 309251a32b5SKyle Evansdevice tuntap # Packet tunnel. 310ba1cabf4SPeter Wemmdevice md # Memory "disks" 311ba1cabf4SPeter Wemmdevice gif # IPv6 and IPv4 tunneling 312086ba9f7SMatt Jacobdevice firmware # firmware assist module 3135832a3e3SKonstantin Belousovdevice xz # lzma decompression 314713c9391SDavid E. O'Brien 315713c9391SDavid E. O'Brien# The `bpf' device enables the Berkeley Packet Filter. 316713c9391SDavid E. O'Brien# Be aware of the administrative consequences of enabling this! 317991f5121SMurray Stokely# Note that 'bpf' is required for DHCP. 318713c9391SDavid E. O'Briendevice bpf # Berkeley packet filter 3190cec007cSNick Hibma 320c89d41e5SAndrew Thompson# USB support 321f6a9d95bSAndrew Thompsonoptions USB_DEBUG # enable debug msgs 322c89d41e5SAndrew Thompsondevice uhci # UHCI PCI->USB interface 323c89d41e5SAndrew Thompsondevice ohci # OHCI PCI->USB interface 324c89d41e5SAndrew Thompsondevice ehci # EHCI PCI->USB interface (USB 2.0) 325144b7166SHans Petter Selaskydevice xhci # XHCI PCI->USB interface (USB 3.0) 326c89d41e5SAndrew Thompsondevice usb # USB Bus (required) 327c89d41e5SAndrew Thompsondevice ukbd # Keyboard 328c89d41e5SAndrew Thompsondevice umass # Disks/Mass storage - Requires scbus and da 329ba1cabf4SPeter Wemm 330701b698bSJoel Dahl# Sound support 331701b698bSJoel Dahldevice sound # Generic sound driver (required) 332f38f12f2SJoel Dahldevice snd_cmi # CMedia CMI8338/CMI8738 333f38f12f2SJoel Dahldevice snd_csa # Crystal Semiconductor CS461x/428x 334f38f12f2SJoel Dahldevice snd_emu10kx # Creative SoundBlaster Live! and Audigy 335701b698bSJoel Dahldevice snd_es137x # Ensoniq AudioPCI ES137x 336701b698bSJoel Dahldevice snd_hda # Intel High Definition Audio 337701b698bSJoel Dahldevice snd_ich # Intel, NVidia and other ICH AC'97 Audio 338701b698bSJoel Dahldevice snd_via8233 # VIA VT8233x Audio 339966d0ed1SKevin Lo 340966d0ed1SKevin Lo# MMC/SD 341966d0ed1SKevin Lodevice mmc # MMC/SD bus 342966d0ed1SKevin Lodevice mmcsd # MMC/SD memory card 343966d0ed1SKevin Lodevice sdhci # Generic PCI SD Host Controller 344ae366ffcSBryan Venteicher 345ae366ffcSBryan Venteicher# VirtIO support 346ae366ffcSBryan Venteicherdevice virtio # Generic VirtIO bus (required) 347ae366ffcSBryan Venteicherdevice virtio_pci # VirtIO PCI device 348ae366ffcSBryan Venteicherdevice vtnet # VirtIO Ethernet device 349ae366ffcSBryan Venteicherdevice virtio_blk # VirtIO Block device 350ae366ffcSBryan Venteicherdevice virtio_scsi # VirtIO SCSI device 351ae366ffcSBryan Venteicherdevice virtio_balloon # VirtIO Memory Balloon device 35215b996d7SPeter Grehan 3536c69c6bbSAdam Fenn# Linux KVM paravirtualization support 3546c69c6bbSAdam Fenndevice kvm_clock # KVM paravirtual clock driver 3556c69c6bbSAdam Fenn 356edafb5a3SPedro F. Giffuni# HyperV drivers and enhancement support 35791aff610SGlen Barberdevice hyperv # HyperV drivers 35891aff610SGlen Barber 3596b48eebeSGlen Barber# Xen HVM Guest Optimizations 36082bf6a25SRoger Pau Monné# NOTE: XENHVM depends on xenpci and xentimer. 36182bf6a25SRoger Pau Monné# They must be added or removed together. 3626b48eebeSGlen Barberoptions XENHVM # Xen HVM kernel infrastructure 363b2c50bb9SElliott Mitchelldevice xenefi # Xen EFI timer device 3646b48eebeSGlen Barberdevice xenpci # Xen HVM Hypervisor services driver 365ae598127SJulien Gralldevice xentimer # Xen x86 PV timer device 366566a5f50SJustin T. Gibbs 367169760a4SGeorge V. Neville-Neil# Netmap provides direct access to TX/RX rings on supported NICs 3682ec930efSPatrick Kelseydevice netmap # netmap(4) support 369af14df77SNiclas Zeising 370af14df77SNiclas Zeising# evdev interface 371af14df77SNiclas Zeisingoptions EVDEV_SUPPORT # evdev support in legacy drivers 372af14df77SNiclas Zeisingdevice evdev # input event device support 373af14df77SNiclas Zeisingdevice uinput # install /dev/uinput cdev 37467de2db2SVladimir Kondratyev 37567de2db2SVladimir Kondratyev# HID support 37619758786SVladimir Kondratyevoptions HID_DEBUG # enable debug msgs 37767de2db2SVladimir Kondratyevdevice hid # Generic HID support 378b1f1b07fSVladimir Kondratyevoptions IICHID_SAMPLING # Workaround missing GPIO INTR support 379bfd2ce2aSStephen J. Kiernan 380bfd2ce2aSStephen J. Kiernan# EFI devices 381bfd2ce2aSStephen J. Kiernandevice efidev # EFI pseudo-device 382bfd2ce2aSStephen J. Kiernandevice efirtc # EFI RTC 383