#
# 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 LOCKDOC_KCOV
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
# 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
# Serial (COM) ports
device uart # Generic UART driver
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
# 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
# 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
# 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