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 COMPAT_FREEBSD14 # Compatible with FreeBSD14 71options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 72options KTRACE # ktrace(1) support 73options STACK # stack(9) support 74options SYSVSHM # SYSV-style shared memory 75options SYSVMSG # SYSV-style message queues 76options SYSVSEM # SYSV-style semaphores 77options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 78options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 79options KBD_INSTALL_CDEV # install a CDEV entry in /dev 80options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 81options AUDIT # Security event auditing 82options CAPABILITY_MODE # Capsicum capability mode 83options CAPABILITIES # Capsicum capabilities 84options MAC # TrustedBSD MAC Framework 85options KDTRACE_FRAME # Ensure frames are compiled in 86options KDTRACE_HOOKS # Kernel DTrace hooks 87options DDB_CTF # Kernel ELF linker loads CTF data 88options INCLUDE_CONFIG_FILE # Include this file in kernel 89options RACCT # Resource accounting framework 90options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 91options RCTL # Resource limits 92 93# Debugging support. Always need this: 94options KDB # Enable kernel debugger support. 95options KDB_TRACE # Print a stack trace for a panic. 96# For full debugger support use (turn off in stable branch): 97options BUF_TRACKING # Track buffer history 98options DDB # Support DDB. 99options FULL_BUF_TRACKING # Track more buffer history 100options GDB # Support remote GDB. 101options DEADLKRES # Enable the deadlock resolver 102options INVARIANTS # Enable calls of extra sanity checking 103options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 104options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 105options WITNESS # Enable checks to detect deadlocks and cycles 106options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 107options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 108options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 109 110# Kernel Sanitizers 111#options COVERAGE # Generic kernel coverage. Used by KCOV 112#options KCOV # Kernel Coverage Sanitizer 113# Warning: KUBSAN can result in a kernel too large for loader to load 114#options KUBSAN # Kernel Undefined Behavior Sanitizer 115#options KCSAN # Kernel Concurrency Sanitizer 116 117# Kernel dump features. 118options EKCD # Support for encrypted kernel dumps 119options GZIO # gzip-compressed kernel and user dumps 120options ZSTDIO # zstd-compressed kernel and user dumps 121options DEBUGNET # debugnet networking 122options NETDUMP # netdump(4) client support 123options NETGDB # netgdb(4) client support 124 125# Make an SMP-capable kernel by default 126options SMP # Symmetric MultiProcessor Kernel 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 hptiop # Highpoint RocketRaid 3xxx series 160device isp # Qlogic family 161#device ispfw # Firmware for QLogic HBAs- normally a module 162device mpt # LSI-Logic MPT-Fusion 163device mps # LSI-Logic MPT-Fusion 2 164device mpr # LSI-Logic MPT-Fusion 3 165device sym # NCR/Symbios Logic 166device isci # Intel C600 SAS controller 167device ocs_fc # Emulex FC adapters 168device pvscsi # VMware PVSCSI 169 170# ATA/SCSI peripherals 171device scbus # SCSI bus (required for ATA/SCSI) 172device ch # SCSI media changers 173device da # Direct Access (disks) 174device sa # Sequential Access (tape etc) 175device cd # CD 176device pass # Passthrough device (direct ATA/SCSI access) 177device ses # Enclosure Services (SES and SAF-TE) 178#device ctl # CAM Target Layer 179 180# RAID controllers interfaced to the SCSI subsystem 181device arcmsr # Areca SATA II RAID 182device ciss # Compaq Smart RAID 5* 183device ips # IBM (Adaptec) ServeRAID 184device smartpqi # Microsemi smartpqi driver 185device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 186 187# RAID controllers 188device aac # Adaptec FSA RAID 189device aacp # SCSI passthrough for aac (requires CAM) 190device aacraid # Adaptec by PMC RAID 191device ida # Compaq Smart RAID 192device mfi # LSI MegaRAID SAS 193device mlx # Mylex DAC960 family 194device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 195#XXX pointer/int warnings 196#device pst # Promise Supertrak SX6000 197 198# NVM Express (NVMe) support 199device nvme # base NVMe driver 200device nvd # expose NVMe namespaces as disks, depends on nvme 201 202# Intel Volume Management Device (VMD) support 203device vmd 204 205# atkbdc0 controls both the keyboard and the PS/2 mouse 206device atkbdc # AT keyboard controller 207device atkbd # AT keyboard 208device psm # PS/2 mouse 209 210device kbdmux # keyboard multiplexer 211 212# syscons is the legacy console driver, resembling an SCO console 213device vga # VGA video card driver 214device splash # Splash screen and screen saver support 215device sc 216options SC_PIXEL_MODE # add support for the raster text mode 217 218# vt is the default video console driver 219device vt 220device vt_vga 221device vt_efifb 222device vt_vbefb 223 224device agp # support several AGP chipsets 225 226# CardBus bridge support 227device cbb # CardBus (yenta) bridge 228device cardbus # CardBus (32-bit) bus 229 230# Serial (COM) ports 231device uart # Generic UART driver 232 233# Parallel port 234device ppc 235device ppbus # Parallel port bus (required) 236device lpt # Printer 237device ppi # Parallel port interface device 238#device vpo # Requires scbus and da 239 240device puc # Multi I/O cards and multi-channel UARTs 241 242# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 243device iflib 244device em # Intel PRO/1000 Gigabit Ethernet Family 245device igc # Intel I225 2.5G Ethernet 246device ix # Intel PRO/10GbE PCIE PF Ethernet 247device ixv # Intel PRO/10GbE PCIE VF Ethernet 248device ixl # Intel 700 Series Physical Function 249device iavf # Intel Adaptive Virtual Function 250device ice # Intel 800 Series Physical Function 251device vmx # VMware VMXNET3 Ethernet 252device axp # AMD EPYC integrated NIC (requires miibus) 253 254# PCI Ethernet NICs. 255device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 256device le # AMD Am7900 LANCE and Am79C9xx PCnet 257device ti # Alteon Networks Tigon I/II gigabit Ethernet 258 259# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 260# o requires COMPAT_LINUXKPI and xz(4) 261# o mlx5ib requires ibcore infra and is not included by default 262device mlx5 # Base driver 263device mlxfw # Firmware update 264device mlx5en # Ethernet driver 265 266# PCI Ethernet NICs that use the common MII bus controller code. 267# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 268device miibus # MII bus support 269device ae # Attansic/Atheros L2 FastEthernet 270device age # Attansic/Atheros L1 Gigabit Ethernet 271device alc # Atheros AR8131/AR8132 Ethernet 272device ale # Atheros AR8121/AR8113/AR8114 Ethernet 273device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 274device bfe # Broadcom BCM440x 10/100 Ethernet 275device bge # Broadcom BCM570xx Gigabit Ethernet 276device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 277device dc # DEC/Intel 21143 and various workalikes 278device et # Agere ET1310 10/100/Gigabit Ethernet 279device fxp # Intel EtherExpress PRO/100B (82557, 82558) 280device gem # Sun GEM/Sun ERI/Apple GMAC 281device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 282device lge # Level 1 LXT1001 gigabit Ethernet 283device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 284device nfe # nVidia nForce MCP on-board Ethernet 285device nge # NatSemi DP83820 gigabit Ethernet 286device re # RealTek 8139C+/8169/8169S/8110S 287device rl # RealTek 8129/8139 288device sge # Silicon Integrated Systems SiS190/191 289device sis # Silicon Integrated Systems SiS 900/SiS 7016 290device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 291device ste # Sundance ST201 (D-Link DFE-550TX) 292device stge # Sundance/Tamarack TC9021 gigabit Ethernet 293device vge # VIA VT612x gigabit Ethernet 294device vr # VIA Rhine, Rhine II 295device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 296 297# Wireless NIC cards 298device wlan # 802.11 support 299options IEEE80211_DEBUG # enable debug msgs 300options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 301device wlan_wep # 802.11 WEP support 302device wlan_ccmp # 802.11 CCMP support 303device wlan_tkip # 802.11 TKIP support 304device wlan_amrr # AMRR transmit rate control algorithm 305device ath # Atheros CardBus/PCI NICs 306device ath_hal # Atheros CardBus/PCI chip support 307options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 308options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 309device ath_rate_sample # SampleRate tx rate control for ath 310#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 311#device bwn # Broadcom BCM43xx wireless NICs. 312device ipw # Intel 2100 wireless NICs. 313device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 314device iwn # Intel 4965/1000/5000/6000 wireless NICs. 315device malo # Marvell Libertas wireless NICs. 316device mwl # Marvell 88W8363 802.11n wireless NICs. 317device ral # Ralink Technology RT2500 wireless NICs. 318device wpi # Intel 3945ABG wireless NICs. 319 320# Pseudo devices. 321device crypto # core crypto support 322device aesni # AES-NI OpenCrypto module 323device loop # Network loopback 324device padlock_rng # VIA Padlock RNG 325device rdrand_rng # Intel Bull Mountain RNG 326device ether # Ethernet support 327device vlan # 802.1Q VLAN support 328device tuntap # Packet tunnel. 329device md # Memory "disks" 330device gif # IPv6 and IPv4 tunneling 331device firmware # firmware assist module 332device xz # lzma decompression 333 334# The `bpf' device enables the Berkeley Packet Filter. 335# Be aware of the administrative consequences of enabling this! 336# Note that 'bpf' is required for DHCP. 337device bpf # Berkeley packet filter 338 339# USB support 340options USB_DEBUG # enable debug msgs 341device uhci # UHCI PCI->USB interface 342device ohci # OHCI PCI->USB interface 343device ehci # EHCI PCI->USB interface (USB 2.0) 344device xhci # XHCI PCI->USB interface (USB 3.0) 345device usb # USB Bus (required) 346device ukbd # Keyboard 347device umass # Disks/Mass storage - Requires scbus and da 348 349# Sound support 350device sound # Generic sound driver (required) 351device snd_cmi # CMedia CMI8338/CMI8738 352device snd_csa # Crystal Semiconductor CS461x/428x 353device snd_emu10kx # Creative SoundBlaster Live! and Audigy 354device snd_es137x # Ensoniq AudioPCI ES137x 355device snd_hda # Intel High Definition Audio 356device snd_ich # Intel, NVidia and other ICH AC'97 Audio 357device snd_via8233 # VIA VT8233x Audio 358 359# MMC/SD 360device mmc # MMC/SD bus 361device mmcsd # MMC/SD memory card 362device sdhci # Generic PCI SD Host Controller 363 364# VirtIO support 365device virtio # Generic VirtIO bus (required) 366device virtio_pci # VirtIO PCI device 367device vtnet # VirtIO Ethernet device 368device virtio_blk # VirtIO Block device 369device virtio_scsi # VirtIO SCSI device 370device virtio_balloon # VirtIO Memory Balloon device 371 372# Linux KVM paravirtualization support 373device kvm_clock # KVM paravirtual clock driver 374 375# HyperV drivers and enhancement support 376device hyperv # HyperV drivers 377 378# Xen HVM Guest Optimizations 379# NOTE: XENHVM depends on xenpci and xentimer. 380# They must be added or removed together. 381options XENHVM # Xen HVM kernel infrastructure 382device xenefi # Xen EFI timer device 383device xenpci # Xen HVM Hypervisor services driver 384device xentimer # Xen x86 PV timer device 385 386# Netmap provides direct access to TX/RX rings on supported NICs 387device netmap # netmap(4) support 388 389# evdev interface 390options EVDEV_SUPPORT # evdev support in legacy drivers 391device evdev # input event device support 392device uinput # install /dev/uinput cdev 393 394# HID support 395options HID_DEBUG # enable debug msgs 396device hid # Generic HID support 397options IICHID_SAMPLING # Workaround missing GPIO INTR support 398