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 CC_NEWRENO # include newreno congestion control 34options CC_DEFAULT=\"newreno\" # define our default CC module it should be compiled in. 35options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 36options ROUTE_MPATH # Multipath routing support 37options FIB_ALGO # Modular fib lookups 38options TCP_OFFLOAD # TCP offload 39options TCP_BLACKBOX # Enhanced TCP event logging 40options TCP_HHOOK # hhook(9) framework for TCP 41options TCP_RFC7413 # TCP Fast Open 42options SCTP_SUPPORT # Allow kldload of SCTP 43options KERN_TLS # TLS transmit & receive offload 44options FFS # Berkeley Fast Filesystem 45options SOFTUPDATES # Enable FFS soft updates support 46options UFS_ACL # Support for access control lists 47options UFS_DIRHASH # Improve performance on big directories 48options UFS_GJOURNAL # Enable gjournal-based UFS journaling 49options QUOTA # Enable disk quotas for UFS 50options MD_ROOT # MD is a potential root device 51options NFSCL # Network Filesystem Client 52options NFSD # Network Filesystem Server 53options NFSLOCKD # Network Lock Manager 54options NFS_ROOT # NFS usable as /, requires NFSCL 55options MSDOSFS # MSDOS Filesystem 56options CD9660 # ISO 9660 Filesystem 57options PROCFS # Process filesystem (requires PSEUDOFS) 58options PSEUDOFS # Pseudo-filesystem framework 59options TMPFS # Efficient memory filesystem 60options GEOM_RAID # Soft RAID functionality. 61options GEOM_LABEL # Provides labelization 62options EFIRT # EFI Runtime Services support 63options COMPAT_FREEBSD32 # Compatible with i386 binaries 64options COMPAT_FREEBSD4 # Compatible with FreeBSD4 65options COMPAT_FREEBSD5 # Compatible with FreeBSD5 66options COMPAT_FREEBSD6 # Compatible with FreeBSD6 67options COMPAT_FREEBSD7 # Compatible with FreeBSD7 68options COMPAT_FREEBSD9 # Compatible with FreeBSD9 69options COMPAT_FREEBSD10 # Compatible with FreeBSD10 70options COMPAT_FREEBSD11 # Compatible with FreeBSD11 71options COMPAT_FREEBSD12 # Compatible with FreeBSD12 72options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 73options KTRACE # ktrace(1) support 74options STACK # stack(9) support 75options SYSVSHM # SYSV-style shared memory 76options SYSVMSG # SYSV-style message queues 77options SYSVSEM # SYSV-style semaphores 78options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 79options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 80options KBD_INSTALL_CDEV # install a CDEV entry in /dev 81options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 82options AUDIT # Security event auditing 83options CAPABILITY_MODE # Capsicum capability mode 84options CAPABILITIES # Capsicum capabilities 85options MAC # TrustedBSD MAC Framework 86options KDTRACE_FRAME # Ensure frames are compiled in 87options KDTRACE_HOOKS # Kernel DTrace hooks 88options DDB_CTF # Kernel ELF linker loads CTF data 89options INCLUDE_CONFIG_FILE # Include this file in kernel 90options RACCT # Resource accounting framework 91options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 92options RCTL # Resource limits 93 94# Debugging support. Always need this: 95options KDB # Enable kernel debugger support. 96options KDB_TRACE # Print a stack trace for a panic. 97# For full debugger support use (turn off in stable branch): 98options BUF_TRACKING # Track buffer history 99options DDB # Support DDB. 100options FULL_BUF_TRACKING # Track more buffer history 101options GDB # Support remote GDB. 102options DEADLKRES # Enable the deadlock resolver 103options INVARIANTS # Enable calls of extra sanity checking 104options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 105options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 106options WITNESS # Enable checks to detect deadlocks and cycles 107options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 108options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 109options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 110 111# Kernel Sanitizers 112#options COVERAGE # Generic kernel coverage. Used by KCOV 113#options KCOV # Kernel Coverage Sanitizer 114# Warning: KUBSAN can result in a kernel too large for loader to load 115#options KUBSAN # Kernel Undefined Behavior Sanitizer 116#options KCSAN # Kernel Concurrency Sanitizer 117 118# Kernel dump features. 119options EKCD # Support for encrypted kernel dumps 120options GZIO # gzip-compressed kernel and user dumps 121options ZSTDIO # zstd-compressed kernel and user dumps 122options DEBUGNET # debugnet networking 123options NETDUMP # netdump(4) client support 124options NETGDB # netgdb(4) client support 125 126# Make an SMP-capable kernel by default 127options SMP # Symmetric MultiProcessor Kernel 128options EARLY_AP_STARTUP 129 130# CPU frequency control 131device cpufreq 132 133# Bus support. 134device acpi 135device smbios 136options IOMMU 137device pci 138options PCI_HP # PCI-Express native HotPlug 139options PCI_IOV # PCI SR-IOV support 140 141options COMPAT_LINUXKPI 142 143# Enable support for the kernel PLL to use an external PPS signal, 144# under supervision of [x]ntpd(8) 145# More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 146 147options PPS_SYNC 148 149# Floppy drives 150device fdc 151 152# ATA controllers 153device ahci # AHCI-compatible SATA controllers 154device ata # Legacy ATA/SATA controllers 155device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 156device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 157 158# SCSI Controllers 159device ahc # AHA2940 and onboard AIC7xxx devices 160device ahd # AHA39320/29320 and onboard AIC79xx devices 161device esp # AMD Am53C974 (Tekram DC-390(T)) 162device hptiop # Highpoint RocketRaid 3xxx series 163device isp # Qlogic family 164#device ispfw # Firmware for QLogic HBAs- normally a module 165device mpt # LSI-Logic MPT-Fusion 166device mps # LSI-Logic MPT-Fusion 2 167device mpr # LSI-Logic MPT-Fusion 3 168device sym # NCR/Symbios Logic 169device isci # Intel C600 SAS controller 170device ocs_fc # Emulex FC adapters 171device pvscsi # VMware PVSCSI 172 173# ATA/SCSI peripherals 174device scbus # SCSI bus (required for ATA/SCSI) 175device ch # SCSI media changers 176device da # Direct Access (disks) 177device sa # Sequential Access (tape etc) 178device cd # CD 179device pass # Passthrough device (direct ATA/SCSI access) 180device ses # Enclosure Services (SES and SAF-TE) 181#device ctl # CAM Target Layer 182 183# RAID controllers interfaced to the SCSI subsystem 184device amr # AMI MegaRAID 185device arcmsr # Areca SATA II RAID 186device ciss # Compaq Smart RAID 5* 187device iir # Intel Integrated RAID 188device ips # IBM (Adaptec) ServeRAID 189device mly # Mylex AcceleRAID/eXtremeRAID 190device twa # 3ware 9000 series PATA/SATA RAID 191device smartpqi # Microsemi smartpqi driver 192device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 193 194# RAID controllers 195device aac # Adaptec FSA RAID 196device aacp # SCSI passthrough for aac (requires CAM) 197device aacraid # Adaptec by PMC RAID 198device ida # Compaq Smart RAID 199device mfi # LSI MegaRAID SAS 200device mlx # Mylex DAC960 family 201device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 202device pmspcv # PMC-Sierra SAS/SATA Controller driver 203#XXX pointer/int warnings 204#device pst # Promise Supertrak SX6000 205device twe # 3ware ATA RAID 206 207# NVM Express (NVMe) support 208device nvme # base NVMe driver 209device nvd # expose NVMe namespaces as disks, depends on nvme 210 211# Intel Volume Management Device (VMD) support 212device vmd 213 214# atkbdc0 controls both the keyboard and the PS/2 mouse 215device atkbdc # AT keyboard controller 216device atkbd # AT keyboard 217device psm # PS/2 mouse 218 219device kbdmux # keyboard multiplexer 220 221device vga # VGA video card driver 222options VESA # Add support for VESA BIOS Extensions (VBE) 223 224device splash # Splash screen and screen saver support 225 226# syscons is the default console driver, resembling an SCO console 227device sc 228options SC_PIXEL_MODE # add support for the raster text mode 229 230# vt is the new video console driver 231device vt 232device vt_vga 233device vt_efifb 234device vt_vbefb 235 236device agp # support several AGP chipsets 237 238# PCCARD (PCMCIA) support 239# PCMCIA and cardbus bridge support 240device cbb # cardbus (yenta) bridge 241device cardbus # CardBus (32-bit) bus 242 243# Serial (COM) ports 244device uart # Generic UART driver 245 246# Parallel port 247device ppc 248device ppbus # Parallel port bus (required) 249device lpt # Printer 250device ppi # Parallel port interface device 251#device vpo # Requires scbus and da 252 253device puc # Multi I/O cards and multi-channel UARTs 254 255# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 256device iflib 257device em # Intel PRO/1000 Gigabit Ethernet Family 258device igc # Intel I225 2.5G Ethernet 259device ix # Intel PRO/10GbE PCIE PF Ethernet 260device ixv # Intel PRO/10GbE PCIE VF Ethernet 261device ixl # Intel 700 Series Physical Function 262device iavf # Intel Adaptive Virtual Function 263device ice # Intel 800 Series Physical Function 264device vmx # VMware VMXNET3 Ethernet 265device axp # AMD EPYC integrated NIC (requires miibus) 266 267# PCI Ethernet NICs. 268device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 269device le # AMD Am7900 LANCE and Am79C9xx PCnet 270device ti # Alteon Networks Tigon I/II gigabit Ethernet 271 272# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 273# mlx5ib requires ibcore infra and is not included by default 274device mlx5 # Base driver 275device mlxfw # Firmware update 276device mlx5en # Ethernet driver 277 278# PCI Ethernet NICs that use the common MII bus controller code. 279# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 280device miibus # MII bus support 281device ae # Attansic/Atheros L2 FastEthernet 282device age # Attansic/Atheros L1 Gigabit Ethernet 283device alc # Atheros AR8131/AR8132 Ethernet 284device ale # Atheros AR8121/AR8113/AR8114 Ethernet 285device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 286device bfe # Broadcom BCM440x 10/100 Ethernet 287device bge # Broadcom BCM570xx Gigabit Ethernet 288device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 289device dc # DEC/Intel 21143 and various workalikes 290device et # Agere ET1310 10/100/Gigabit Ethernet 291device fxp # Intel EtherExpress PRO/100B (82557, 82558) 292device gem # Sun GEM/Sun ERI/Apple GMAC 293device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 294device lge # Level 1 LXT1001 gigabit Ethernet 295device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 296device nfe # nVidia nForce MCP on-board Ethernet 297device nge # NatSemi DP83820 gigabit Ethernet 298device re # RealTek 8139C+/8169/8169S/8110S 299device rl # RealTek 8129/8139 300device sge # Silicon Integrated Systems SiS190/191 301device sis # Silicon Integrated Systems SiS 900/SiS 7016 302device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 303device ste # Sundance ST201 (D-Link DFE-550TX) 304device stge # Sundance/Tamarack TC9021 gigabit Ethernet 305device vge # VIA VT612x gigabit Ethernet 306device vr # VIA Rhine, Rhine II 307device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 308 309# Wireless NIC cards 310device wlan # 802.11 support 311options IEEE80211_DEBUG # enable debug msgs 312options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 313device wlan_wep # 802.11 WEP support 314device wlan_ccmp # 802.11 CCMP support 315device wlan_tkip # 802.11 TKIP support 316device wlan_amrr # AMRR transmit rate control algorithm 317device ath # Atheros NICs 318device ath_pci # Atheros pci/cardbus glue 319device ath_hal # pci/cardbus chip support 320options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 321options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 322device ath_rate_sample # SampleRate tx rate control for ath 323#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 324#device bwn # Broadcom BCM43xx wireless NICs. 325device ipw # Intel 2100 wireless NICs. 326device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 327device iwn # Intel 4965/1000/5000/6000 wireless NICs. 328device malo # Marvell Libertas wireless NICs. 329device mwl # Marvell 88W8363 802.11n wireless NICs. 330device ral # Ralink Technology RT2500 wireless NICs. 331device wpi # Intel 3945ABG wireless NICs. 332 333# Pseudo devices. 334device crypto # core crypto support 335device aesni # AES-NI OpenCrypto module 336device loop # Network loopback 337device padlock_rng # VIA Padlock RNG 338device rdrand_rng # Intel Bull Mountain RNG 339device ether # Ethernet support 340device vlan # 802.1Q VLAN support 341device tuntap # Packet tunnel. 342device md # Memory "disks" 343device gif # IPv6 and IPv4 tunneling 344device firmware # firmware assist module 345device xz # lzma decompression 346 347# The `bpf' device enables the Berkeley Packet Filter. 348# Be aware of the administrative consequences of enabling this! 349# Note that 'bpf' is required for DHCP. 350device bpf # Berkeley packet filter 351 352# USB support 353options USB_DEBUG # enable debug msgs 354device uhci # UHCI PCI->USB interface 355device ohci # OHCI PCI->USB interface 356device ehci # EHCI PCI->USB interface (USB 2.0) 357device xhci # XHCI PCI->USB interface (USB 3.0) 358device usb # USB Bus (required) 359device ukbd # Keyboard 360device umass # Disks/Mass storage - Requires scbus and da 361 362# Sound support 363device sound # Generic sound driver (required) 364device snd_cmi # CMedia CMI8338/CMI8738 365device snd_csa # Crystal Semiconductor CS461x/428x 366device snd_emu10kx # Creative SoundBlaster Live! and Audigy 367device snd_es137x # Ensoniq AudioPCI ES137x 368device snd_hda # Intel High Definition Audio 369device snd_ich # Intel, NVidia and other ICH AC'97 Audio 370device snd_via8233 # VIA VT8233x Audio 371 372# MMC/SD 373device mmc # MMC/SD bus 374device mmcsd # MMC/SD memory card 375device sdhci # Generic PCI SD Host Controller 376device rtsx # Realtek SD card reader 377 378# VirtIO support 379device virtio # Generic VirtIO bus (required) 380device virtio_pci # VirtIO PCI device 381device vtnet # VirtIO Ethernet device 382device virtio_blk # VirtIO Block device 383device virtio_scsi # VirtIO SCSI device 384device virtio_balloon # VirtIO Memory Balloon device 385 386# Linux KVM paravirtualization support 387device kvm_clock # KVM paravirtual clock driver 388 389# HyperV drivers and enhancement support 390device hyperv # HyperV drivers 391 392# Xen HVM Guest Optimizations 393# NOTE: XENHVM depends on xenpci and xentimer. 394# They must be added or removed together. 395options XENHVM # Xen HVM kernel infrastructure 396device xenpci # Xen HVM Hypervisor services driver 397device xentimer # Xen x86 PV timer device 398 399# Netmap provides direct access to TX/RX rings on supported NICs 400device netmap # netmap(4) support 401 402# evdev interface 403options EVDEV_SUPPORT # evdev support in legacy drivers 404device evdev # input event device support 405device uinput # install /dev/uinput cdev 406 407# HID support 408options HID_DEBUG # enable debug msgs 409device hid # Generic HID support 410options IICHID_SAMPLING # Workaround missing GPIO INTR support 411