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# Floppy drives 142device fdc 143 144# ATA controllers 145device ahci # AHCI-compatible SATA controllers 146device ata # Legacy ATA/SATA controllers 147device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 148device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 149 150# SCSI Controllers 151device ahc # AHA2940 and onboard AIC7xxx devices 152device ahd # AHA39320/29320 and onboard AIC79xx devices 153device esp # AMD Am53C974 (Tekram DC-390(T)) 154device hptiop # Highpoint RocketRaid 3xxx series 155device isp # Qlogic family 156#device ispfw # Firmware for QLogic HBAs- normally a module 157device mpt # LSI-Logic MPT-Fusion 158device mps # LSI-Logic MPT-Fusion 2 159device mpr # LSI-Logic MPT-Fusion 3 160device sym # NCR/Symbios Logic 161device isci # Intel C600 SAS controller 162device ocs_fc # Emulex FC adapters 163device pvscsi # VMware PVSCSI 164 165# ATA/SCSI peripherals 166device scbus # SCSI bus (required for ATA/SCSI) 167device ch # SCSI media changers 168device da # Direct Access (disks) 169device sa # Sequential Access (tape etc) 170device cd # CD 171device pass # Passthrough device (direct ATA/SCSI access) 172device ses # Enclosure Services (SES and SAF-TE) 173#device ctl # CAM Target Layer 174 175# RAID controllers interfaced to the SCSI subsystem 176device amr # AMI MegaRAID 177device arcmsr # Areca SATA II RAID 178device ciss # Compaq Smart RAID 5* 179device iir # Intel Integrated RAID 180device ips # IBM (Adaptec) ServeRAID 181device mly # Mylex AcceleRAID/eXtremeRAID 182device twa # 3ware 9000 series PATA/SATA RAID 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 194device pmspcv # PMC-Sierra SAS/SATA Controller driver 195#XXX pointer/int warnings 196#device pst # Promise Supertrak SX6000 197device twe # 3ware ATA RAID 198 199# NVM Express (NVMe) support 200device nvme # base NVMe driver 201device nvd # expose NVMe namespaces as disks, depends on nvme 202 203# Intel Volume Management Device (VMD) support 204device vmd 205 206# atkbdc0 controls both the keyboard and the PS/2 mouse 207device atkbdc # AT keyboard controller 208device atkbd # AT keyboard 209device psm # PS/2 mouse 210 211device kbdmux # keyboard multiplexer 212 213device vga # VGA video card driver 214options VESA # Add support for VESA BIOS Extensions (VBE) 215 216device splash # Splash screen and screen saver support 217 218# syscons is the default console driver, resembling an SCO console 219device sc 220options SC_PIXEL_MODE # add support for the raster text mode 221 222# vt is the new video console driver 223device vt 224device vt_vga 225device vt_efifb 226device vt_vbefb 227 228device agp # support several AGP chipsets 229 230# PCCARD (PCMCIA) support 231# PCMCIA and cardbus bridge support 232device cbb # cardbus (yenta) bridge 233device cardbus # CardBus (32-bit) bus 234 235# Serial (COM) ports 236device uart # Generic UART driver 237 238# Parallel port 239device ppc 240device ppbus # Parallel port bus (required) 241device lpt # Printer 242device ppi # Parallel port interface device 243#device vpo # Requires scbus and da 244 245device puc # Multi I/O cards and multi-channel UARTs 246 247# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 248device iflib 249device em # Intel PRO/1000 Gigabit Ethernet Family 250device igc # Intel I225 2.5G Ethernet 251device ix # Intel PRO/10GbE PCIE PF Ethernet 252device ixv # Intel PRO/10GbE PCIE VF Ethernet 253device ixl # Intel 700 Series Physical Function 254device iavf # Intel Adaptive Virtual Function 255device ice # Intel 800 Series Physical Function 256device vmx # VMware VMXNET3 Ethernet 257device axp # AMD EPYC integrated NIC (requires miibus) 258 259# PCI Ethernet NICs. 260device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 261device le # AMD Am7900 LANCE and Am79C9xx PCnet 262device ti # Alteon Networks Tigon I/II gigabit Ethernet 263 264# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 265# mlx5ib requires ibcore infra and is not included by default 266device mlx5 # Base driver 267device mlxfw # Firmware update 268device mlx5en # Ethernet driver 269 270# PCI Ethernet NICs that use the common MII bus controller code. 271# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 272device miibus # MII bus support 273device ae # Attansic/Atheros L2 FastEthernet 274device age # Attansic/Atheros L1 Gigabit Ethernet 275device alc # Atheros AR8131/AR8132 Ethernet 276device ale # Atheros AR8121/AR8113/AR8114 Ethernet 277device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 278device bfe # Broadcom BCM440x 10/100 Ethernet 279device bge # Broadcom BCM570xx Gigabit Ethernet 280device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 281device dc # DEC/Intel 21143 and various workalikes 282device et # Agere ET1310 10/100/Gigabit Ethernet 283device fxp # Intel EtherExpress PRO/100B (82557, 82558) 284device gem # Sun GEM/Sun ERI/Apple GMAC 285device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 286device lge # Level 1 LXT1001 gigabit Ethernet 287device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 288device nfe # nVidia nForce MCP on-board Ethernet 289device nge # NatSemi DP83820 gigabit Ethernet 290device re # RealTek 8139C+/8169/8169S/8110S 291device rl # RealTek 8129/8139 292device sge # Silicon Integrated Systems SiS190/191 293device sis # Silicon Integrated Systems SiS 900/SiS 7016 294device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 295device ste # Sundance ST201 (D-Link DFE-550TX) 296device stge # Sundance/Tamarack TC9021 gigabit Ethernet 297device vge # VIA VT612x gigabit Ethernet 298device vr # VIA Rhine, Rhine II 299device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 300 301# Wireless NIC cards 302device wlan # 802.11 support 303options IEEE80211_DEBUG # enable debug msgs 304options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 305device wlan_wep # 802.11 WEP support 306device wlan_ccmp # 802.11 CCMP support 307device wlan_tkip # 802.11 TKIP support 308device wlan_amrr # AMRR transmit rate control algorithm 309device ath # Atheros NICs 310device ath_pci # Atheros pci/cardbus glue 311device ath_hal # pci/cardbus chip support 312options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 313options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 314device ath_rate_sample # SampleRate tx rate control for ath 315#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 316#device bwn # Broadcom BCM43xx wireless NICs. 317device ipw # Intel 2100 wireless NICs. 318device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 319device iwn # Intel 4965/1000/5000/6000 wireless NICs. 320device malo # Marvell Libertas wireless NICs. 321device mwl # Marvell 88W8363 802.11n wireless NICs. 322device ral # Ralink Technology RT2500 wireless NICs. 323device wpi # Intel 3945ABG wireless NICs. 324 325# Pseudo devices. 326device crypto # core crypto support 327device aesni # AES-NI OpenCrypto module 328device loop # Network loopback 329device padlock_rng # VIA Padlock RNG 330device rdrand_rng # Intel Bull Mountain RNG 331device ether # Ethernet support 332device vlan # 802.1Q VLAN support 333device tuntap # Packet tunnel. 334device md # Memory "disks" 335device gif # IPv6 and IPv4 tunneling 336device firmware # firmware assist module 337device xz # lzma decompression 338 339# The `bpf' device enables the Berkeley Packet Filter. 340# Be aware of the administrative consequences of enabling this! 341# Note that 'bpf' is required for DHCP. 342device bpf # Berkeley packet filter 343 344# USB support 345options USB_DEBUG # enable debug msgs 346device uhci # UHCI PCI->USB interface 347device ohci # OHCI PCI->USB interface 348device ehci # EHCI PCI->USB interface (USB 2.0) 349device xhci # XHCI PCI->USB interface (USB 3.0) 350device usb # USB Bus (required) 351device ukbd # Keyboard 352device umass # Disks/Mass storage - Requires scbus and da 353 354# Sound support 355device sound # Generic sound driver (required) 356device snd_cmi # CMedia CMI8338/CMI8738 357device snd_csa # Crystal Semiconductor CS461x/428x 358device snd_emu10kx # Creative SoundBlaster Live! and Audigy 359device snd_es137x # Ensoniq AudioPCI ES137x 360device snd_hda # Intel High Definition Audio 361device snd_ich # Intel, NVidia and other ICH AC'97 Audio 362device snd_via8233 # VIA VT8233x Audio 363 364# MMC/SD 365device mmc # MMC/SD bus 366device mmcsd # MMC/SD memory card 367device sdhci # Generic PCI SD Host Controller 368device rtsx # Realtek SD card reader 369 370# VirtIO support 371device virtio # Generic VirtIO bus (required) 372device virtio_pci # VirtIO PCI device 373device vtnet # VirtIO Ethernet device 374device virtio_blk # VirtIO Block device 375device virtio_scsi # VirtIO SCSI device 376device virtio_balloon # VirtIO Memory Balloon device 377 378# Linux KVM paravirtualization support 379device kvm_clock # KVM paravirtual clock driver 380 381# HyperV drivers and enhancement support 382device hyperv # HyperV drivers 383 384# Xen HVM Guest Optimizations 385# NOTE: XENHVM depends on xenpci and xentimer. 386# They must be added or removed together. 387options XENHVM # Xen HVM kernel infrastructure 388device xenpci # Xen HVM Hypervisor services driver 389device xentimer # Xen x86 PV timer device 390 391# Netmap provides direct access to TX/RX rings on supported NICs 392device netmap # netmap(4) support 393 394# evdev interface 395options EVDEV_SUPPORT # evdev support in legacy drivers 396device evdev # input event device support 397device uinput # install /dev/uinput cdev 398 399# HID support 400options HID_DEBUG # enable debug msgs 401device hid # Generic HID support 402options IICHID_SAMPLING # Workaround missing GPIO INTR support 403