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 NETLINK # netlink(4) support 35options ROUTE_MPATH # Multipath routing support 36options FIB_ALGO # Modular fib lookups 37options TCP_OFFLOAD # TCP offload 38options TCP_BLACKBOX # Enhanced TCP event logging 39options TCP_HHOOK # hhook(9) framework for TCP 40options TCP_RFC7413 # TCP Fast Open 41options SCTP_SUPPORT # Allow kldload of SCTP 42options KERN_TLS # TLS transmit & receive offload 43options FFS # Berkeley Fast Filesystem 44options SOFTUPDATES # Enable FFS soft updates support 45options UFS_ACL # Support for access control lists 46options UFS_DIRHASH # Improve performance on big directories 47options UFS_GJOURNAL # Enable gjournal-based UFS journaling 48options QUOTA # Enable disk quotas for UFS 49options MD_ROOT # MD is a potential root device 50options NFSCL # Network Filesystem Client 51options NFSD # Network Filesystem Server 52options NFSLOCKD # Network Lock Manager 53options NFS_ROOT # NFS usable as /, requires NFSCL 54options MSDOSFS # MSDOS Filesystem 55options CD9660 # ISO 9660 Filesystem 56options PROCFS # Process filesystem (requires PSEUDOFS) 57options PSEUDOFS # Pseudo-filesystem framework 58options TMPFS # Efficient memory filesystem 59options GEOM_RAID # Soft RAID functionality. 60options GEOM_LABEL # Provides labelization 61options EFIRT # EFI Runtime Services support 62options COMPAT_FREEBSD32 # Compatible with i386 binaries 63options COMPAT_FREEBSD4 # Compatible with FreeBSD4 64options COMPAT_FREEBSD5 # Compatible with FreeBSD5 65options COMPAT_FREEBSD6 # Compatible with FreeBSD6 66options COMPAT_FREEBSD7 # Compatible with FreeBSD7 67options COMPAT_FREEBSD9 # Compatible with FreeBSD9 68options COMPAT_FREEBSD10 # Compatible with FreeBSD10 69options COMPAT_FREEBSD11 # Compatible with FreeBSD11 70options COMPAT_FREEBSD12 # Compatible with FreeBSD12 71options COMPAT_FREEBSD13 # Compatible with FreeBSD13 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 hptiop # Highpoint RocketRaid 3xxx series 162device isp # Qlogic family 163#device ispfw # Firmware for QLogic HBAs- normally a module 164device mpt # LSI-Logic MPT-Fusion 165device mps # LSI-Logic MPT-Fusion 2 166device mpr # LSI-Logic MPT-Fusion 3 167device sym # NCR/Symbios Logic 168device isci # Intel C600 SAS controller 169device ocs_fc # Emulex FC adapters 170device pvscsi # VMware PVSCSI 171 172# ATA/SCSI peripherals 173device scbus # SCSI bus (required for ATA/SCSI) 174device ch # SCSI media changers 175device da # Direct Access (disks) 176device sa # Sequential Access (tape etc) 177device cd # CD 178device pass # Passthrough device (direct ATA/SCSI access) 179device ses # Enclosure Services (SES and SAF-TE) 180#device ctl # CAM Target Layer 181 182# RAID controllers interfaced to the SCSI subsystem 183device arcmsr # Areca SATA II RAID 184device ciss # Compaq Smart RAID 5* 185device ips # IBM (Adaptec) ServeRAID 186device smartpqi # Microsemi smartpqi driver 187device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 188 189# RAID controllers 190device aac # Adaptec FSA RAID 191device aacp # SCSI passthrough for aac (requires CAM) 192device aacraid # Adaptec by PMC RAID 193device ida # Compaq Smart RAID 194device mfi # LSI MegaRAID SAS 195device mlx # Mylex DAC960 family 196device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 197device pmspcv # PMC-Sierra SAS/SATA Controller driver 198#XXX pointer/int warnings 199#device pst # Promise Supertrak SX6000 200device twe # 3ware ATA RAID 201 202# NVM Express (NVMe) support 203device nvme # base NVMe driver 204device nvd # expose NVMe namespaces as disks, depends on nvme 205 206# Intel Volume Management Device (VMD) support 207device vmd 208 209# atkbdc0 controls both the keyboard and the PS/2 mouse 210device atkbdc # AT keyboard controller 211device atkbd # AT keyboard 212device psm # PS/2 mouse 213 214device kbdmux # keyboard multiplexer 215 216# syscons is the legacy console driver, resembling an SCO console 217device vga # VGA video card driver 218device splash # Splash screen and screen saver support 219device sc 220options SC_PIXEL_MODE # add support for the raster text mode 221 222# vt is the default video console driver 223device vt 224device vt_vga 225device vt_efifb 226device vt_vbefb 227 228device agp # support several AGP chipsets 229 230# CardBus bridge support 231device cbb # CardBus (yenta) bridge 232device cardbus # CardBus (32-bit) bus 233 234# Serial (COM) ports 235device uart # Generic UART driver 236 237# Parallel port 238device ppc 239device ppbus # Parallel port bus (required) 240device lpt # Printer 241device ppi # Parallel port interface device 242#device vpo # Requires scbus and da 243 244device puc # Multi I/O cards and multi-channel UARTs 245 246# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 247device iflib 248device em # Intel PRO/1000 Gigabit Ethernet Family 249device igc # Intel I225 2.5G Ethernet 250device ix # Intel PRO/10GbE PCIE PF Ethernet 251device ixv # Intel PRO/10GbE PCIE VF Ethernet 252device ixl # Intel 700 Series Physical Function 253device iavf # Intel Adaptive Virtual Function 254device ice # Intel 800 Series Physical Function 255device vmx # VMware VMXNET3 Ethernet 256device axp # AMD EPYC integrated NIC (requires miibus) 257 258# PCI Ethernet NICs. 259device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 260device le # AMD Am7900 LANCE and Am79C9xx PCnet 261device ti # Alteon Networks Tigon I/II gigabit Ethernet 262 263# Nvidia/Mellanox Connect-X 4 and later, Ethernet only 264# o requires COMPAT_LINUXKPI and xz(4) 265# o 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