#
# GENERIC -- Generic kernel configuration file for FreeBSD/amd64
#
# For more information on this file, please read the config(5) manual page,
# and/or the handbook section on Kernel Configuration Files:
#
# https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
# $FreeBSD$
cpu HAMMER
ident GENERIC
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
options SCHED_ULE # ULE scheduler
options NUMA # Non-Uniform Memory Architecture support
options PREEMPTION # Enable kernel thread preemption
options VIMAGE # Subsystem virtualization, e.g. VNET
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
options TCP_OFFLOAD # TCP offload
options TCP_BLACKBOX # Enhanced TCP event logging
options TCP_HHOOK # hhook(9) framework for TCP
options TCP_RFC7413 # TCP Fast Open
options SCTP_SUPPORT # Allow kldload of SCTP
options FFS # Berkeley Fast Filesystem
options SOFTUPDATES # Enable FFS soft updates support
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options UFS_GJOURNAL # Enable gjournal-based UFS journaling
options QUOTA # Enable disk quotas for UFS
options MD_ROOT # MD is a potential root device
options NFSCL # Network Filesystem Client
options NFSD # Network Filesystem Server
options NFSLOCKD # Network Lock Manager
options NFS_ROOT # NFS usable as /, requires NFSCL
options MSDOSFS # MSDOS Filesystem
options CD9660 # ISO 9660 Filesystem
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options TMPFS # Efficient memory filesystem
options GEOM_RAID # Soft RAID functionality.
options GEOM_LABEL # Provides labelization
options EFIRT # EFI Runtime Services support
options COMPAT_FREEBSD32 # Compatible with i386 binaries
options COMPAT_FREEBSD4 # Compatible with FreeBSD4
options COMPAT_FREEBSD5 # Compatible with FreeBSD5
options COMPAT_FREEBSD6 # Compatible with FreeBSD6
options COMPAT_FREEBSD7 # Compatible with FreeBSD7
options COMPAT_FREEBSD9 # Compatible with FreeBSD9
options COMPAT_FREEBSD10 # Compatible with FreeBSD10
options COMPAT_FREEBSD11 # Compatible with FreeBSD11
options COMPAT_FREEBSD12 # Compatible with FreeBSD12
options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
options KTRACE # ktrace(1) support
options STACK # stack(9) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
options AUDIT # Security event auditing
options CAPABILITY_MODE # Capsicum capability mode
options CAPABILITIES # Capsicum capabilities
options MAC # TrustedBSD MAC Framework
options KDTRACE_FRAME # Ensure frames are compiled in
options KDTRACE_HOOKS # Kernel DTrace hooks
options DDB_CTF # Kernel ELF linker loads CTF data
options INCLUDE_CONFIG_FILE # Include this file in kernel
options RACCT # Resource accounting framework
options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
options RCTL # Resource limits
# Debugging support. Always need this:
options KDB # Enable kernel debugger support.
options KDB_TRACE # Print a stack trace for a panic.
# For full debugger support use (turn off in stable branch):
options BUF_TRACKING # Track buffer history
options DDB # Support DDB.
options FULL_BUF_TRACKING # Track more buffer history
options GDB # Support remote GDB.
options DEADLKRES # Enable the deadlock resolver
options INVARIANTS # Enable calls of extra sanity checking
options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation
options WITNESS # Enable checks to detect deadlocks and cycles
options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default
options IOMMU
# Kernel Sanitizers
#options COVERAGE # Generic kernel coverage. Used by KCOV
#options KCOV # Kernel Coverage Sanitizer
# Warning: KUBSAN can result in a kernel too large for loader to load
#options KUBSAN # Kernel Undefined Behavior Sanitizer
#options KCSAN # Kernel Concurrency Sanitizer
# Kernel dump features.
options EKCD # Support for encrypted kernel dumps
options GZIO # gzip-compressed kernel and user dumps
options ZSTDIO # zstd-compressed kernel and user dumps
options DEBUGNET # debugnet networking
options NETDUMP # netdump(4) client support
options NETGDB # netgdb(4) client support
# Make an SMP-capable kernel by default
options SMP # Symmetric MultiProcessor Kernel
options EARLY_AP_STARTUP
# CPU frequency control
device cpufreq
# Bus support.
device acpi
device pci
options PCI_HP # PCI-Express native HotPlug
options PCI_IOV # PCI SR-IOV support
# Floppy drives
device fdc
# ATA controllers
device ahci # AHCI-compatible SATA controllers
device ata # Legacy ATA/SATA controllers
device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
# SCSI Controllers
device ahc # AHA2940 and onboard AIC7xxx devices
device ahd # AHA39320/29320 and onboard AIC79xx devices
device esp # AMD Am53C974 (Tekram DC-390(T))
device hptiop # Highpoint RocketRaid 3xxx series
device isp # Qlogic family
#device ispfw # Firmware for QLogic HBAs- normally a module
device mpt # LSI-Logic MPT-Fusion
device mps # LSI-Logic MPT-Fusion 2
device mpr # LSI-Logic MPT-Fusion 3
device sym # NCR/Symbios Logic
device isci # Intel C600 SAS controller
device ocs_fc # Emulex FC adapters
device pvscsi # VMware PVSCSI
# ATA/SCSI peripherals
device scbus # SCSI bus (required for ATA/SCSI)
device ch # SCSI media changers
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct ATA/SCSI access)
device ses # Enclosure Services (SES and SAF-TE)
#device ctl # CAM Target Layer
# RAID controllers interfaced to the SCSI subsystem
device amr # AMI MegaRAID
device arcmsr # Areca SATA II RAID
device ciss # Compaq Smart RAID 5*
device iir # Intel Integrated RAID
device ips # IBM (Adaptec) ServeRAID
device mly # Mylex AcceleRAID/eXtremeRAID
device twa # 3ware 9000 series PATA/SATA RAID
device smartpqi # Microsemi smartpqi driver
device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
# RAID controllers
device aac # Adaptec FSA RAID
device aacp # SCSI passthrough for aac (requires CAM)
device aacraid # Adaptec by PMC RAID
device ida # Compaq Smart RAID
device mfi # LSI MegaRAID SAS
device mlx # Mylex DAC960 family
device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
device pmspcv # PMC-Sierra SAS/SATA Controller driver
#XXX pointer/int warnings
#device pst # Promise Supertrak SX6000
device twe # 3ware ATA RAID
# NVM Express (NVMe) support
device nvme # base NVMe driver
device nvd # expose NVMe namespaces as disks, depends on nvme
# Intel Volume Management Device (VMD) support
device vmd # base VMD device
device vmd_bus # bus for VMD children
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device kbdmux # keyboard multiplexer
device vga # VGA video card driver
options VESA # Add support for VESA BIOS Extensions (VBE)
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
options SC_PIXEL_MODE # add support for the raster text mode
# vt is the new video console driver
device vt
device vt_vga
device vt_efifb
device agp # support several AGP chipsets
# PCCARD (PCMCIA) support
# PCMCIA and cardbus bridge support
device cbb # cardbus (yenta) bridge
device pccard # PC Card (16-bit) bus
device cardbus # CardBus (32-bit) bus
# Serial (COM) ports
device uart # Generic UART driver
# Parallel port
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
device puc # Multi I/O cards and multi-channel UARTs
# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
device iflib
device em # Intel PRO/1000 Gigabit Ethernet Family
device ix # Intel PRO/10GbE PCIE PF Ethernet
device ixv # Intel PRO/10GbE PCIE VF Ethernet
device ixl # Intel 700 Series Physical Function
device iavf # Intel Adaptive Virtual Function
device ice # Intel 800 Series Physical Function
device vmx # VMware VMXNET3 Ethernet
device axp # AMD EPYC integrated NIC
# PCI Ethernet NICs.
device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
device le # AMD Am7900 LANCE and Am79C9xx PCnet
device ti # Alteon Networks Tigon I/II gigabit Ethernet
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
device ae # Attansic/Atheros L2 FastEthernet
device age # Attansic/Atheros L1 Gigabit Ethernet
device alc # Atheros AR8131/AR8132 Ethernet
device ale # Atheros AR8121/AR8113/AR8114 Ethernet
device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
device bfe # Broadcom BCM440x 10/100 Ethernet
device bge # Broadcom BCM570xx Gigabit Ethernet
device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
device dc # DEC/Intel 21143 and various workalikes
device et # Agere ET1310 10/100/Gigabit Ethernet
device fxp # Intel EtherExpress PRO/100B (82557, 82558)
device gem # Sun GEM/Sun ERI/Apple GMAC
device hme # Sun HME (Happy Meal Ethernet)
device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
device lge # Level 1 LXT1001 gigabit Ethernet
device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
device nfe # nVidia nForce MCP on-board Ethernet
device nge # NatSemi DP83820 gigabit Ethernet
device re # RealTek 8139C+/8169/8169S/8110S
device rl # RealTek 8129/8139
device sge # Silicon Integrated Systems SiS190/191
device sis # Silicon Integrated Systems SiS 900/SiS 7016
device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
device ste # Sundance ST201 (D-Link DFE-550TX)
device stge # Sundance/Tamarack TC9021 gigabit Ethernet
device vge # VIA VT612x gigabit Ethernet
device vr # VIA Rhine, Rhine II
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
# Wireless NIC cards
device wlan # 802.11 support
options IEEE80211_DEBUG # enable debug msgs
options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
device wlan_wep # 802.11 WEP support
device wlan_ccmp # 802.11 CCMP support
device wlan_tkip # 802.11 TKIP support
device wlan_amrr # AMRR transmit rate control algorithm
device an # Aironet 4500/4800 802.11 wireless NICs.
device ath # Atheros NICs
device ath_pci # Atheros pci/cardbus glue
device ath_hal # pci/cardbus chip support
options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
device ath_rate_sample # SampleRate tx rate control for ath
#device bwi # Broadcom BCM430x/BCM431x wireless NICs.
#device bwn # Broadcom BCM43xx wireless NICs.
device ipw # Intel 2100 wireless NICs.
device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
device iwn # Intel 4965/1000/5000/6000 wireless NICs.
device malo # Marvell Libertas wireless NICs.
device mwl # Marvell 88W8363 802.11n wireless NICs.
device ral # Ralink Technology RT2500 wireless NICs.
device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
device wpi # Intel 3945ABG wireless NICs.
# Pseudo devices.
device crypto # core crypto support
device loop # Network loopback
device padlock_rng # VIA Padlock RNG
device rdrand_rng # Intel Bull Mountain RNG
device ether # Ethernet support
device vlan # 802.1Q VLAN support
device tuntap # Packet tunnel.
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device firmware # firmware assist module
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device bpf # Berkeley packet filter
# USB support
options USB_DEBUG # enable debug msgs
device uhci # UHCI PCI->USB interface
device ohci # OHCI PCI->USB interface
device ehci # EHCI PCI->USB interface (USB 2.0)
device xhci # XHCI PCI->USB interface (USB 3.0)
device usb # USB Bus (required)
device ukbd # Keyboard
device umass # Disks/Mass storage - Requires scbus and da
# Sound support
device sound # Generic sound driver (required)
device snd_cmi # CMedia CMI8338/CMI8738
device snd_csa # Crystal Semiconductor CS461x/428x
device snd_emu10kx # Creative SoundBlaster Live! and Audigy
device snd_es137x # Ensoniq AudioPCI ES137x
device snd_hda # Intel High Definition Audio
device snd_ich # Intel, NVidia and other ICH AC'97 Audio
device snd_via8233 # VIA VT8233x Audio
# MMC/SD
device mmc # MMC/SD bus
device mmcsd # MMC/SD memory card
device sdhci # Generic PCI SD Host Controller
# VirtIO support
device virtio # Generic VirtIO bus (required)
device virtio_pci # VirtIO PCI device
device vtnet # VirtIO Ethernet device
device virtio_blk # VirtIO Block device
device virtio_scsi # VirtIO SCSI device
device virtio_balloon # VirtIO Memory Balloon device
# HyperV drivers and enhancement support
device hyperv # HyperV drivers
# Xen HVM Guest Optimizations
# NOTE: XENHVM depends on xenpci. They must be added or removed together.
options XENHVM # Xen HVM kernel infrastructure
device xenpci # Xen HVM Hypervisor services driver
# Netmap provides direct access to TX/RX rings on supported NICs
device netmap # netmap(4) support
# evdev interface
options EVDEV_SUPPORT # evdev support in legacy drivers
device evdev # input event device support
device uinput # install /dev/uinput cdev