1# 2# GENERIC -- Generic kernel configuration file for FreeBSD/amd64 3# 4# For more information on this file, please read the config(5) manual page, 5# and/or the handbook section on Kernel Configuration Files: 6# 7# https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 8# 9# The handbook is also available locally in /usr/share/doc/handbook 10# if you've installed the doc distribution, otherwise always see the 11# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the 12# latest information. 13# 14# An exhaustive list of options and more detailed explanations of the 15# device lines is also present in the ../../conf/NOTES and NOTES files. 16# If you are in doubt as to the purpose or necessity of a line, check first 17# in NOTES. 18# 19 20cpu HAMMER 21ident GENERIC 22 23makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 24makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 25 26options SCHED_ULE # ULE scheduler 27options NUMA # Non-Uniform Memory Architecture support 28options PREEMPTION # Enable kernel thread preemption 29options VIMAGE # Subsystem virtualization, e.g. VNET 30options INET # InterNETworking 31options INET6 # IPv6 communications protocols 32options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 33options ROUTE_MPATH # Multipath routing support 34options FIB_ALGO # Modular fib lookups 35options TCP_OFFLOAD # TCP offload 36options TCP_BLACKBOX # Enhanced TCP event logging 37options TCP_HHOOK # hhook(9) framework for TCP 38options TCP_RFC7413 # TCP Fast Open 39options SCTP_SUPPORT # Allow kldload of SCTP 40options KERN_TLS # TLS transmit & receive offload 41options FFS # Berkeley Fast Filesystem 42options SOFTUPDATES # Enable FFS soft updates support 43options UFS_ACL # Support for access control lists 44options UFS_DIRHASH # Improve performance on big directories 45options UFS_GJOURNAL # Enable gjournal-based UFS journaling 46options QUOTA # Enable disk quotas for UFS 47options MD_ROOT # MD is a potential root device 48options NFSCL # Network Filesystem Client 49options NFSD # Network Filesystem Server 50options NFSLOCKD # Network Lock Manager 51options NFS_ROOT # NFS usable as /, requires NFSCL 52options MSDOSFS # MSDOS Filesystem 53options CD9660 # ISO 9660 Filesystem 54options PROCFS # Process filesystem (requires PSEUDOFS) 55options PSEUDOFS # Pseudo-filesystem framework 56options TMPFS # Efficient memory filesystem 57options GEOM_RAID # Soft RAID functionality. 58options GEOM_LABEL # Provides labelization 59options EFIRT # EFI Runtime Services support 60options COMPAT_FREEBSD32 # Compatible with i386 binaries 61options COMPAT_FREEBSD4 # Compatible with FreeBSD4 62options COMPAT_FREEBSD5 # Compatible with FreeBSD5 63options COMPAT_FREEBSD6 # Compatible with FreeBSD6 64options COMPAT_FREEBSD7 # Compatible with FreeBSD7 65options COMPAT_FREEBSD9 # Compatible with FreeBSD9 66options COMPAT_FREEBSD10 # Compatible with FreeBSD10 67options COMPAT_FREEBSD11 # Compatible with FreeBSD11 68options COMPAT_FREEBSD12 # Compatible with FreeBSD12 69options COMPAT_FREEBSD13 # Compatible with FreeBSD13 70options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 71options KTRACE # ktrace(1) support 72options STACK # stack(9) support 73options SYSVSHM # SYSV-style shared memory 74options SYSVMSG # SYSV-style message queues 75options SYSVSEM # SYSV-style semaphores 76options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 77options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 78options KBD_INSTALL_CDEV # install a CDEV entry in /dev 79options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 80options AUDIT # Security event auditing 81options CAPABILITY_MODE # Capsicum capability mode 82options CAPABILITIES # Capsicum capabilities 83options MAC # TrustedBSD MAC Framework 84options KDTRACE_FRAME # Ensure frames are compiled in 85options KDTRACE_HOOKS # Kernel DTrace hooks 86options DDB_CTF # Kernel ELF linker loads CTF data 87options INCLUDE_CONFIG_FILE # Include this file in kernel 88options RACCT # Resource accounting framework 89options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 90options RCTL # Resource limits 91 92# Debugging support. Always need this: 93options KDB # Enable kernel debugger support. 94options KDB_TRACE # Print a stack trace for a panic. 95# For full debugger support use (turn off in stable branch): 96options BUF_TRACKING # Track buffer history 97options DDB # Support DDB. 98options FULL_BUF_TRACKING # Track more buffer history 99options GDB # Support remote GDB. 100options DEADLKRES # Enable the deadlock resolver 101options INVARIANTS # Enable calls of extra sanity checking 102options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 103options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 104options WITNESS # Enable checks to detect deadlocks and cycles 105options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 106options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 107options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 108 109# Kernel Sanitizers 110#options COVERAGE # Generic kernel coverage. Used by KCOV 111#options KCOV # Kernel Coverage Sanitizer 112# Warning: KUBSAN can result in a kernel too large for loader to load 113#options KUBSAN # Kernel Undefined Behavior Sanitizer 114#options KCSAN # Kernel Concurrency Sanitizer 115 116# Kernel dump features. 117options EKCD # Support for encrypted kernel dumps 118options GZIO # gzip-compressed kernel and user dumps 119options ZSTDIO # zstd-compressed kernel and user dumps 120options DEBUGNET # debugnet networking 121options NETDUMP # netdump(4) client support 122options NETGDB # netgdb(4) client support 123 124# Make an SMP-capable kernel by default 125options SMP # Symmetric MultiProcessor Kernel 126 127# CPU frequency control 128device cpufreq 129 130# Bus support. 131device acpi 132device smbios 133options IOMMU 134device pci 135options PCI_HP # PCI-Express native HotPlug 136options PCI_IOV # PCI SR-IOV support 137 138options COMPAT_LINUXKPI 139 140# Enable support for the kernel PLL to use an external PPS signal, 141# under supervision of [x]ntpd(8) 142# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 143 144options PPS_SYNC 145 146# Floppy drives 147device fdc 148 149# ATA controllers 150device ahci # AHCI-compatible SATA controllers 151device ata # Legacy ATA/SATA controllers 152device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 153device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 154 155# SCSI Controllers 156device ahc # AHA2940 and onboard AIC7xxx devices 157device ahd # AHA39320/29320 and onboard AIC79xx devices 158device hptiop # Highpoint RocketRaid 3xxx series 159device isp # Qlogic family 160#device ispfw # Firmware for QLogic HBAs- normally a module 161device mpt # LSI-Logic MPT-Fusion 162device mps # LSI-Logic MPT-Fusion 2 163device mpr # LSI-Logic MPT-Fusion 3 164device sym # NCR/Symbios Logic 165device isci # Intel C600 SAS controller 166device ocs_fc # Emulex FC adapters 167device pvscsi # VMware PVSCSI 168 169# ATA/SCSI peripherals 170device scbus # SCSI bus (required for ATA/SCSI) 171device ch # SCSI media changers 172device da # Direct Access (disks) 173device sa # Sequential Access (tape etc) 174device cd # CD 175device pass # Passthrough device (direct ATA/SCSI access) 176device ses # Enclosure Services (SES and SAF-TE) 177#device ctl # CAM Target Layer 178 179# RAID controllers interfaced to the SCSI subsystem 180device arcmsr # Areca SATA II RAID 181device ciss # Compaq Smart RAID 5* 182device ips # IBM (Adaptec) ServeRAID 183device smartpqi # Microsemi smartpqi driver 184device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 185 186# RAID controllers 187device aac # Adaptec FSA RAID 188device aacp # SCSI passthrough for aac (requires CAM) 189device aacraid # Adaptec by PMC RAID 190device ida # Compaq Smart RAID 191device mfi # LSI MegaRAID SAS 192device mlx # Mylex DAC960 family 193device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 194#XXX pointer/int warnings 195#device pst # Promise Supertrak SX6000 196 197# NVM Express (NVMe) support 198device nvme # base NVMe driver 199device nvd # expose NVMe namespaces as disks, depends on nvme 200 201# Intel Volume Management Device (VMD) support 202device vmd 203 204# atkbdc0 controls both the keyboard and the PS/2 mouse 205device atkbdc # AT keyboard controller 206device atkbd # AT keyboard 207device psm # PS/2 mouse 208 209device kbdmux # keyboard multiplexer 210 211# syscons is the legacy console driver, resembling an SCO console 212device vga # VGA video card driver 213device splash # Splash screen and screen saver support 214device sc 215options SC_PIXEL_MODE # add support for the raster text mode 216 217# vt is the default video console driver 218device vt 219device vt_vga 220device vt_efifb 221device vt_vbefb 222 223device agp # support several AGP chipsets 224 225# CardBus bridge support 226device cbb # CardBus (yenta) bridge 227device cardbus # CardBus (32-bit) bus 228 229# Serial (COM) ports 230device uart # Generic UART driver 231 232# Parallel port 233device ppc 234device ppbus # Parallel port bus (required) 235device lpt # Printer 236device ppi # Parallel port interface device 237#device vpo # Requires scbus and da 238 239device puc # Multi I/O cards and multi-channel UARTs 240 241# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 242device iflib 243device em # Intel PRO/1000 Gigabit Ethernet Family 244device igc # Intel I225 2.5G Ethernet 245device ix # Intel PRO/10GbE PCIE PF Ethernet 246device ixv # Intel PRO/10GbE PCIE VF Ethernet 247device ixl # Intel 700 Series Physical Function 248device iavf # Intel Adaptive Virtual Function 249device ice # Intel 800 Series Physical Function 250device vmx # VMware VMXNET3 Ethernet 251device axp # AMD EPYC integrated NIC (requires miibus) 252 253# PCI Ethernet NICs. 254device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 255device le # AMD Am7900 LANCE and Am79C9xx PCnet 256device ti # Alteon Networks Tigon I/II gigabit Ethernet 257 258# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 259# o requires COMPAT_LINUXKPI and xz(4) 260# o mlx5ib requires ibcore infra and is not included by default 261device mlx5 # Base driver 262device mlxfw # Firmware update 263device mlx5en # Ethernet driver 264 265# PCI Ethernet NICs that use the common MII bus controller code. 266# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 267device miibus # MII bus support 268device ae # Attansic/Atheros L2 FastEthernet 269device age # Attansic/Atheros L1 Gigabit Ethernet 270device alc # Atheros AR8131/AR8132 Ethernet 271device ale # Atheros AR8121/AR8113/AR8114 Ethernet 272device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 273device bfe # Broadcom BCM440x 10/100 Ethernet 274device bge # Broadcom BCM570xx Gigabit Ethernet 275device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 276device dc # DEC/Intel 21143 and various workalikes 277device et # Agere ET1310 10/100/Gigabit Ethernet 278device fxp # Intel EtherExpress PRO/100B (82557, 82558) 279device gem # Sun GEM/Sun ERI/Apple GMAC 280device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 281device lge # Level 1 LXT1001 gigabit Ethernet 282device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 283device nfe # nVidia nForce MCP on-board Ethernet 284device nge # NatSemi DP83820 gigabit Ethernet 285device re # RealTek 8139C+/8169/8169S/8110S 286device rl # RealTek 8129/8139 287device sge # Silicon Integrated Systems SiS190/191 288device sis # Silicon Integrated Systems SiS 900/SiS 7016 289device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 290device ste # Sundance ST201 (D-Link DFE-550TX) 291device stge # Sundance/Tamarack TC9021 gigabit Ethernet 292device vge # VIA VT612x gigabit Ethernet 293device vr # VIA Rhine, Rhine II 294device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 295 296# Wireless NIC cards 297device wlan # 802.11 support 298options IEEE80211_DEBUG # enable debug msgs 299options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 300device wlan_wep # 802.11 WEP support 301device wlan_ccmp # 802.11 CCMP support 302device wlan_tkip # 802.11 TKIP support 303device wlan_amrr # AMRR transmit rate control algorithm 304device ath # Atheros CardBus/PCI NICs 305device ath_hal # Atheros CardBus/PCI chip support 306options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 307options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 308device ath_rate_sample # SampleRate tx rate control for ath 309#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 310#device bwn # Broadcom BCM43xx wireless NICs. 311device ipw # Intel 2100 wireless NICs. 312device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 313device iwn # Intel 4965/1000/5000/6000 wireless NICs. 314device malo # Marvell Libertas wireless NICs. 315device mwl # Marvell 88W8363 802.11n wireless NICs. 316device ral # Ralink Technology RT2500 wireless NICs. 317device wpi # Intel 3945ABG wireless NICs. 318 319# Pseudo devices. 320device crypto # core crypto support 321device aesni # AES-NI OpenCrypto module 322device loop # Network loopback 323device padlock_rng # VIA Padlock RNG 324device rdrand_rng # Intel Bull Mountain RNG 325device ether # Ethernet support 326device vlan # 802.1Q VLAN support 327device tuntap # Packet tunnel. 328device md # Memory "disks" 329device gif # IPv6 and IPv4 tunneling 330device firmware # firmware assist module 331device xz # lzma decompression 332 333# The `bpf' device enables the Berkeley Packet Filter. 334# Be aware of the administrative consequences of enabling this! 335# Note that 'bpf' is required for DHCP. 336device bpf # Berkeley packet filter 337 338# USB support 339options USB_DEBUG # enable debug msgs 340device uhci # UHCI PCI->USB interface 341device ohci # OHCI PCI->USB interface 342device ehci # EHCI PCI->USB interface (USB 2.0) 343device xhci # XHCI PCI->USB interface (USB 3.0) 344device usb # USB Bus (required) 345device ukbd # Keyboard 346device umass # Disks/Mass storage - Requires scbus and da 347 348# Sound support 349device sound # Generic sound driver (required) 350device snd_cmi # CMedia CMI8338/CMI8738 351device snd_csa # Crystal Semiconductor CS461x/428x 352device snd_emu10kx # Creative SoundBlaster Live! and Audigy 353device snd_es137x # Ensoniq AudioPCI ES137x 354device snd_hda # Intel High Definition Audio 355device snd_ich # Intel, NVidia and other ICH AC'97 Audio 356device snd_via8233 # VIA VT8233x Audio 357 358# MMC/SD 359device mmc # MMC/SD bus 360device mmcsd # MMC/SD memory card 361device sdhci # Generic PCI SD Host Controller 362 363# VirtIO support 364device virtio # Generic VirtIO bus (required) 365device virtio_pci # VirtIO PCI device 366device vtnet # VirtIO Ethernet device 367device virtio_blk # VirtIO Block device 368device virtio_scsi # VirtIO SCSI device 369device virtio_balloon # VirtIO Memory Balloon device 370 371# Linux KVM paravirtualization support 372device kvm_clock # KVM paravirtual clock driver 373 374# HyperV drivers and enhancement support 375device hyperv # HyperV drivers 376 377# Xen HVM Guest Optimizations 378# NOTE: XENHVM depends on xenpci and xentimer. 379# They must be added or removed together. 380options XENHVM # Xen HVM kernel infrastructure 381device xenefi # Xen EFI timer device 382device xenpci # Xen HVM Hypervisor services driver 383device xentimer # Xen x86 PV timer device 384 385# Netmap provides direct access to TX/RX rings on supported NICs 386device netmap # netmap(4) support 387 388# evdev interface 389options EVDEV_SUPPORT # evdev support in legacy drivers 390device evdev # input event device support 391device uinput # install /dev/uinput cdev 392 393# HID support 394options HID_DEBUG # enable debug msgs 395device hid # Generic HID support 396options IICHID_SAMPLING # Workaround missing GPIO INTR support 397