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# $FreeBSD$ 20 21cpu HAMMER 22ident GENERIC 23 24makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 25makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 26 27options SCHED_ULE # ULE scheduler 28options NUMA # Non-Uniform Memory Architecture support 29options PREEMPTION # Enable kernel thread preemption 30options VIMAGE # Subsystem virtualization, e.g. VNET 31options INET # InterNETworking 32options INET6 # IPv6 communications protocols 33options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 34options ROUTE_MPATH # Multipath routing support 35options FIB_ALGO # Modular fib lookups 36options TCP_OFFLOAD # TCP offload 37options TCP_BLACKBOX # Enhanced TCP event logging 38options TCP_HHOOK # hhook(9) framework for TCP 39options TCP_RFC7413 # TCP Fast Open 40options SCTP_SUPPORT # Allow kldload of SCTP 41options KERN_TLS # TLS transmit & receive offload 42options FFS # Berkeley Fast Filesystem 43options SOFTUPDATES # Enable FFS soft updates support 44options UFS_ACL # Support for access control lists 45options UFS_DIRHASH # Improve performance on big directories 46options UFS_GJOURNAL # Enable gjournal-based UFS journaling 47options QUOTA # Enable disk quotas for UFS 48options MD_ROOT # MD is a potential root device 49options NFSCL # Network Filesystem Client 50options NFSD # Network Filesystem Server 51options NFSLOCKD # Network Lock Manager 52options NFS_ROOT # NFS usable as /, requires NFSCL 53options MSDOSFS # MSDOS Filesystem 54options CD9660 # ISO 9660 Filesystem 55options PROCFS # Process filesystem (requires PSEUDOFS) 56options PSEUDOFS # Pseudo-filesystem framework 57options TMPFS # Efficient memory filesystem 58options GEOM_RAID # Soft RAID functionality. 59options GEOM_LABEL # Provides labelization 60options EFIRT # EFI Runtime Services support 61options COMPAT_FREEBSD32 # Compatible with i386 binaries 62options COMPAT_FREEBSD4 # Compatible with FreeBSD4 63options COMPAT_FREEBSD5 # Compatible with FreeBSD5 64options COMPAT_FREEBSD6 # Compatible with FreeBSD6 65options COMPAT_FREEBSD7 # Compatible with FreeBSD7 66options COMPAT_FREEBSD9 # Compatible with FreeBSD9 67options COMPAT_FREEBSD10 # Compatible with FreeBSD10 68options COMPAT_FREEBSD11 # Compatible with FreeBSD11 69options COMPAT_FREEBSD12 # Compatible with FreeBSD12 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 126options EARLY_AP_STARTUP 127 128# CPU frequency control 129device cpufreq 130 131# Bus support. 132device acpi 133device smbios 134options IOMMU 135device pci 136options PCI_HP # PCI-Express native HotPlug 137options PCI_IOV # PCI SR-IOV support 138 139options COMPAT_LINUXKPI 140 141# Enable support for the kernel PLL to use an external PPS signal, 142# under supervision of [x]ntpd(8) 143# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 144 145options PPS_SYNC 146 147# Floppy drives 148device fdc 149 150# ATA controllers 151device ahci # AHCI-compatible SATA controllers 152device ata # Legacy ATA/SATA controllers 153device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 154device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 155 156# SCSI Controllers 157device ahc # AHA2940 and onboard AIC7xxx devices 158device ahd # AHA39320/29320 and onboard AIC79xx devices 159device esp # AMD Am53C974 (Tekram DC-390(T)) 160device hptiop # Highpoint RocketRaid 3xxx series 161device isp # Qlogic family 162#device ispfw # Firmware for QLogic HBAs- normally a module 163device mpt # LSI-Logic MPT-Fusion 164device mps # LSI-Logic MPT-Fusion 2 165device mpr # LSI-Logic MPT-Fusion 3 166device sym # NCR/Symbios Logic 167device isci # Intel C600 SAS controller 168device ocs_fc # Emulex FC adapters 169device pvscsi # VMware PVSCSI 170 171# ATA/SCSI peripherals 172device scbus # SCSI bus (required for ATA/SCSI) 173device ch # SCSI media changers 174device da # Direct Access (disks) 175device sa # Sequential Access (tape etc) 176device cd # CD 177device pass # Passthrough device (direct ATA/SCSI access) 178device ses # Enclosure Services (SES and SAF-TE) 179#device ctl # CAM Target Layer 180 181# RAID controllers interfaced to the SCSI subsystem 182device amr # AMI MegaRAID 183device arcmsr # Areca SATA II RAID 184device ciss # Compaq Smart RAID 5* 185device iir # Intel Integrated RAID 186device ips # IBM (Adaptec) ServeRAID 187device mly # Mylex AcceleRAID/eXtremeRAID 188device twa # 3ware 9000 series PATA/SATA RAID 189device smartpqi # Microsemi smartpqi driver 190device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 191 192# RAID controllers 193device aac # Adaptec FSA RAID 194device aacp # SCSI passthrough for aac (requires CAM) 195device aacraid # Adaptec by PMC RAID 196device ida # Compaq Smart RAID 197device mfi # LSI MegaRAID SAS 198device mlx # Mylex DAC960 family 199device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 200device pmspcv # PMC-Sierra SAS/SATA Controller driver 201#XXX pointer/int warnings 202#device pst # Promise Supertrak SX6000 203device twe # 3ware ATA RAID 204 205# NVM Express (NVMe) support 206device nvme # base NVMe driver 207device nvd # expose NVMe namespaces as disks, depends on nvme 208 209# Intel Volume Management Device (VMD) support 210device vmd 211 212# atkbdc0 controls both the keyboard and the PS/2 mouse 213device atkbdc # AT keyboard controller 214device atkbd # AT keyboard 215device psm # PS/2 mouse 216 217device kbdmux # keyboard multiplexer 218 219device vga # VGA video card driver 220options VESA # Add support for VESA BIOS Extensions (VBE) 221 222device splash # Splash screen and screen saver support 223 224# syscons is the default console driver, resembling an SCO console 225device sc 226options SC_PIXEL_MODE # add support for the raster text mode 227 228# vt is the new video console driver 229device vt 230device vt_vga 231device vt_efifb 232device vt_vbefb 233 234device agp # support several AGP chipsets 235 236# PCCARD (PCMCIA) support 237# PCMCIA and cardbus bridge support 238device cbb # cardbus (yenta) bridge 239device cardbus # CardBus (32-bit) bus 240 241# Serial (COM) ports 242device uart # Generic UART driver 243 244# Parallel port 245device ppc 246device ppbus # Parallel port bus (required) 247device lpt # Printer 248device ppi # Parallel port interface device 249#device vpo # Requires scbus and da 250 251device puc # Multi I/O cards and multi-channel UARTs 252 253# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 254device iflib 255device em # Intel PRO/1000 Gigabit Ethernet Family 256device igc # Intel I225 2.5G Ethernet 257device ix # Intel PRO/10GbE PCIE PF Ethernet 258device ixv # Intel PRO/10GbE PCIE VF Ethernet 259device ixl # Intel 700 Series Physical Function 260device iavf # Intel Adaptive Virtual Function 261device ice # Intel 800 Series Physical Function 262device vmx # VMware VMXNET3 Ethernet 263device axp # AMD EPYC integrated NIC (requires miibus) 264 265# PCI Ethernet NICs. 266device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 267device le # AMD Am7900 LANCE and Am79C9xx PCnet 268device ti # Alteon Networks Tigon I/II gigabit Ethernet 269 270# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 271# mlx5ib requires ibcore infra and is not included by default 272device mlx5 # Base driver 273device mlxfw # Firmware update 274device mlx5en # Ethernet driver 275 276# PCI Ethernet NICs that use the common MII bus controller code. 277# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 278device miibus # MII bus support 279device ae # Attansic/Atheros L2 FastEthernet 280device age # Attansic/Atheros L1 Gigabit Ethernet 281device alc # Atheros AR8131/AR8132 Ethernet 282device ale # Atheros AR8121/AR8113/AR8114 Ethernet 283device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 284device bfe # Broadcom BCM440x 10/100 Ethernet 285device bge # Broadcom BCM570xx Gigabit Ethernet 286device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 287device dc # DEC/Intel 21143 and various workalikes 288device et # Agere ET1310 10/100/Gigabit Ethernet 289device fxp # Intel EtherExpress PRO/100B (82557, 82558) 290device gem # Sun GEM/Sun ERI/Apple GMAC 291device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 292device lge # Level 1 LXT1001 gigabit Ethernet 293device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 294device nfe # nVidia nForce MCP on-board Ethernet 295device nge # NatSemi DP83820 gigabit Ethernet 296device re # RealTek 8139C+/8169/8169S/8110S 297device rl # RealTek 8129/8139 298device sge # Silicon Integrated Systems SiS190/191 299device sis # Silicon Integrated Systems SiS 900/SiS 7016 300device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 301device ste # Sundance ST201 (D-Link DFE-550TX) 302device stge # Sundance/Tamarack TC9021 gigabit Ethernet 303device vge # VIA VT612x gigabit Ethernet 304device vr # VIA Rhine, Rhine II 305device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 306 307# Wireless NIC cards 308device wlan # 802.11 support 309options IEEE80211_DEBUG # enable debug msgs 310options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 311device wlan_wep # 802.11 WEP support 312device wlan_ccmp # 802.11 CCMP support 313device wlan_tkip # 802.11 TKIP support 314device wlan_amrr # AMRR transmit rate control algorithm 315device ath # Atheros NICs 316device ath_pci # Atheros pci/cardbus glue 317device ath_hal # pci/cardbus chip support 318options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 319options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 320device ath_rate_sample # SampleRate tx rate control for ath 321#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 322#device bwn # Broadcom BCM43xx wireless NICs. 323device ipw # Intel 2100 wireless NICs. 324device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 325device iwn # Intel 4965/1000/5000/6000 wireless NICs. 326device malo # Marvell Libertas wireless NICs. 327device mwl # Marvell 88W8363 802.11n wireless NICs. 328device ral # Ralink Technology RT2500 wireless NICs. 329device wpi # Intel 3945ABG wireless NICs. 330 331# Pseudo devices. 332device crypto # core crypto support 333device aesni # AES-NI OpenCrypto module 334device loop # Network loopback 335device padlock_rng # VIA Padlock RNG 336device rdrand_rng # Intel Bull Mountain RNG 337device ether # Ethernet support 338device vlan # 802.1Q VLAN support 339device tuntap # Packet tunnel. 340device md # Memory "disks" 341device gif # IPv6 and IPv4 tunneling 342device firmware # firmware assist module 343device xz # lzma decompression 344 345# The `bpf' device enables the Berkeley Packet Filter. 346# Be aware of the administrative consequences of enabling this! 347# Note that 'bpf' is required for DHCP. 348device bpf # Berkeley packet filter 349 350# USB support 351options USB_DEBUG # enable debug msgs 352device uhci # UHCI PCI->USB interface 353device ohci # OHCI PCI->USB interface 354device ehci # EHCI PCI->USB interface (USB 2.0) 355device xhci # XHCI PCI->USB interface (USB 3.0) 356device usb # USB Bus (required) 357device ukbd # Keyboard 358device umass # Disks/Mass storage - Requires scbus and da 359 360# Sound support 361device sound # Generic sound driver (required) 362device snd_cmi # CMedia CMI8338/CMI8738 363device snd_csa # Crystal Semiconductor CS461x/428x 364device snd_emu10kx # Creative SoundBlaster Live! and Audigy 365device snd_es137x # Ensoniq AudioPCI ES137x 366device snd_hda # Intel High Definition Audio 367device snd_ich # Intel, NVidia and other ICH AC'97 Audio 368device snd_via8233 # VIA VT8233x Audio 369 370# MMC/SD 371device mmc # MMC/SD bus 372device mmcsd # MMC/SD memory card 373device sdhci # Generic PCI SD Host Controller 374device rtsx # Realtek SD card reader 375 376# VirtIO support 377device virtio # Generic VirtIO bus (required) 378device virtio_pci # VirtIO PCI device 379device vtnet # VirtIO Ethernet device 380device virtio_blk # VirtIO Block device 381device virtio_scsi # VirtIO SCSI device 382device virtio_balloon # VirtIO Memory Balloon device 383 384# Linux KVM paravirtualization support 385device kvm_clock # KVM paravirtual clock driver 386 387# HyperV drivers and enhancement support 388device hyperv # HyperV drivers 389 390# Xen HVM Guest Optimizations 391# NOTE: XENHVM depends on xenpci and xentimer. 392# They must be added or removed together. 393options XENHVM # Xen HVM kernel infrastructure 394device xenpci # Xen HVM Hypervisor services driver 395device xentimer # Xen x86 PV timer device 396 397# Netmap provides direct access to TX/RX rings on supported NICs 398device netmap # netmap(4) support 399 400# evdev interface 401options EVDEV_SUPPORT # evdev support in legacy drivers 402device evdev # input event device support 403device uinput # install /dev/uinput cdev 404 405# HID support 406options HID_DEBUG # enable debug msgs 407device hid # Generic HID support 408options IICHID_SAMPLING # Workaround missing GPIO INTR support 409