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://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html 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 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 SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 70options KTRACE # ktrace(1) support 71options STACK # stack(9) support 72options SYSVSHM # SYSV-style shared memory 73options SYSVMSG # SYSV-style message queues 74options SYSVSEM # SYSV-style semaphores 75options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 76options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 77options KBD_INSTALL_CDEV # install a CDEV entry in /dev 78options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 79options AUDIT # Security event auditing 80options CAPABILITY_MODE # Capsicum capability mode 81options CAPABILITIES # Capsicum capabilities 82options MAC # TrustedBSD MAC Framework 83options KDTRACE_FRAME # Ensure frames are compiled in 84options KDTRACE_HOOKS # Kernel DTrace hooks 85options DDB_CTF # Kernel ELF linker loads CTF data 86options INCLUDE_CONFIG_FILE # Include this file in kernel 87options RACCT # Resource accounting framework 88options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 89options RCTL # Resource limits 90 91# Debugging support. Always need this: 92options KDB # Enable kernel debugger support. 93options KDB_TRACE # Print a stack trace for a panic. 94# For full debugger support use (turn off in stable branch): 95options BUF_TRACKING # Track buffer history 96options DDB # Support DDB. 97options FULL_BUF_TRACKING # Track more buffer history 98options GDB # Support remote GDB. 99options DEADLKRES # Enable the deadlock resolver 100options INVARIANTS # Enable calls of extra sanity checking 101options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 102options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 103options WITNESS # Enable checks to detect deadlocks and cycles 104options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 105options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 106options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 107 108# Kernel Sanitizers 109#options COVERAGE # Generic kernel coverage. Used by KCOV 110#options KCOV # Kernel Coverage Sanitizer 111# Warning: KUBSAN can result in a kernel too large for loader to load 112#options KUBSAN # Kernel Undefined Behavior Sanitizer 113#options KCSAN # Kernel Concurrency Sanitizer 114 115# Kernel dump features. 116options EKCD # Support for encrypted kernel dumps 117options GZIO # gzip-compressed kernel and user dumps 118options ZSTDIO # zstd-compressed kernel and user dumps 119options DEBUGNET # debugnet networking 120options NETDUMP # netdump(4) client support 121options NETGDB # netgdb(4) client support 122 123# Make an SMP-capable kernel by default 124options SMP # Symmetric MultiProcessor Kernel 125options EARLY_AP_STARTUP 126 127# CPU frequency control 128device cpufreq 129 130# Bus support. 131device acpi 132options IOMMU 133device pci 134options PCI_HP # PCI-Express native HotPlug 135options PCI_IOV # PCI SR-IOV support 136 137# Floppy drives 138device fdc 139 140# ATA controllers 141device ahci # AHCI-compatible SATA controllers 142device ata # Legacy ATA/SATA controllers 143device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 144device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 145 146# SCSI Controllers 147device ahc # AHA2940 and onboard AIC7xxx devices 148device ahd # AHA39320/29320 and onboard AIC79xx devices 149device esp # AMD Am53C974 (Tekram DC-390(T)) 150device hptiop # Highpoint RocketRaid 3xxx series 151device isp # Qlogic family 152#device ispfw # Firmware for QLogic HBAs- normally a module 153device mpt # LSI-Logic MPT-Fusion 154device mps # LSI-Logic MPT-Fusion 2 155device mpr # LSI-Logic MPT-Fusion 3 156device sym # NCR/Symbios Logic 157device isci # Intel C600 SAS controller 158device ocs_fc # Emulex FC adapters 159device pvscsi # VMware PVSCSI 160 161# ATA/SCSI peripherals 162device scbus # SCSI bus (required for ATA/SCSI) 163device ch # SCSI media changers 164device da # Direct Access (disks) 165device sa # Sequential Access (tape etc) 166device cd # CD 167device pass # Passthrough device (direct ATA/SCSI access) 168device ses # Enclosure Services (SES and SAF-TE) 169#device ctl # CAM Target Layer 170 171# RAID controllers interfaced to the SCSI subsystem 172device amr # AMI MegaRAID 173device arcmsr # Areca SATA II RAID 174device ciss # Compaq Smart RAID 5* 175device iir # Intel Integrated RAID 176device ips # IBM (Adaptec) ServeRAID 177device mly # Mylex AcceleRAID/eXtremeRAID 178device twa # 3ware 9000 series PATA/SATA RAID 179device smartpqi # Microsemi smartpqi driver 180device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 181 182# RAID controllers 183device aac # Adaptec FSA RAID 184device aacp # SCSI passthrough for aac (requires CAM) 185device aacraid # Adaptec by PMC RAID 186device ida # Compaq Smart RAID 187device mfi # LSI MegaRAID SAS 188device mlx # Mylex DAC960 family 189device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 190device pmspcv # PMC-Sierra SAS/SATA Controller driver 191#XXX pointer/int warnings 192#device pst # Promise Supertrak SX6000 193device twe # 3ware ATA RAID 194 195# NVM Express (NVMe) support 196device nvme # base NVMe driver 197device nvd # expose NVMe namespaces as disks, depends on nvme 198 199# Intel Volume Management Device (VMD) support 200device vmd # base VMD device 201device vmd_bus # bus for VMD children 202 203# atkbdc0 controls both the keyboard and the PS/2 mouse 204device atkbdc # AT keyboard controller 205device atkbd # AT keyboard 206device psm # PS/2 mouse 207 208device kbdmux # keyboard multiplexer 209 210device vga # VGA video card driver 211options VESA # Add support for VESA BIOS Extensions (VBE) 212 213device splash # Splash screen and screen saver support 214 215# syscons is the default console driver, resembling an SCO console 216device sc 217options SC_PIXEL_MODE # add support for the raster text mode 218 219# vt is the new video console driver 220device vt 221device vt_vga 222device vt_efifb 223device vt_vbefb 224 225device agp # support several AGP chipsets 226 227# PCCARD (PCMCIA) support 228# PCMCIA and cardbus bridge support 229device cbb # cardbus (yenta) bridge 230device pccard # PC Card (16-bit) bus 231device cardbus # CardBus (32-bit) bus 232 233# Serial (COM) ports 234device uart # Generic UART driver 235 236# Parallel port 237device ppc 238device ppbus # Parallel port bus (required) 239device lpt # Printer 240device ppi # Parallel port interface device 241#device vpo # Requires scbus and da 242 243device puc # Multi I/O cards and multi-channel UARTs 244 245# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 246device iflib 247device em # Intel PRO/1000 Gigabit Ethernet Family 248device ix # Intel PRO/10GbE PCIE PF Ethernet 249device ixv # Intel PRO/10GbE PCIE VF Ethernet 250device ixl # Intel 700 Series Physical Function 251device iavf # Intel Adaptive Virtual Function 252device ice # Intel 800 Series Physical Function 253device vmx # VMware VMXNET3 Ethernet 254device axp # AMD EPYC integrated NIC 255 256# PCI Ethernet NICs. 257device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 258device le # AMD Am7900 LANCE and Am79C9xx PCnet 259device ti # Alteon Networks Tigon I/II gigabit Ethernet 260 261# PCI Ethernet NICs that use the common MII bus controller code. 262# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 263device miibus # MII bus support 264device ae # Attansic/Atheros L2 FastEthernet 265device age # Attansic/Atheros L1 Gigabit Ethernet 266device alc # Atheros AR8131/AR8132 Ethernet 267device ale # Atheros AR8121/AR8113/AR8114 Ethernet 268device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 269device bfe # Broadcom BCM440x 10/100 Ethernet 270device bge # Broadcom BCM570xx Gigabit Ethernet 271device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 272device dc # DEC/Intel 21143 and various workalikes 273device et # Agere ET1310 10/100/Gigabit Ethernet 274device fxp # Intel EtherExpress PRO/100B (82557, 82558) 275device gem # Sun GEM/Sun ERI/Apple GMAC 276device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 277device lge # Level 1 LXT1001 gigabit Ethernet 278device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 279device nfe # nVidia nForce MCP on-board Ethernet 280device nge # NatSemi DP83820 gigabit Ethernet 281device re # RealTek 8139C+/8169/8169S/8110S 282device rl # RealTek 8129/8139 283device sge # Silicon Integrated Systems SiS190/191 284device sis # Silicon Integrated Systems SiS 900/SiS 7016 285device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 286device ste # Sundance ST201 (D-Link DFE-550TX) 287device stge # Sundance/Tamarack TC9021 gigabit Ethernet 288device vge # VIA VT612x gigabit Ethernet 289device vr # VIA Rhine, Rhine II 290device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 291 292# Wireless NIC cards 293device wlan # 802.11 support 294options IEEE80211_DEBUG # enable debug msgs 295options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 296device wlan_wep # 802.11 WEP support 297device wlan_ccmp # 802.11 CCMP support 298device wlan_tkip # 802.11 TKIP support 299device wlan_amrr # AMRR transmit rate control algorithm 300device an # Aironet 4500/4800 802.11 wireless NICs. 301device ath # Atheros NICs 302device ath_pci # Atheros pci/cardbus glue 303device ath_hal # pci/cardbus chip support 304options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 305options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 306device ath_rate_sample # SampleRate tx rate control for ath 307#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 308#device bwn # Broadcom BCM43xx wireless NICs. 309device ipw # Intel 2100 wireless NICs. 310device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 311device iwn # Intel 4965/1000/5000/6000 wireless NICs. 312device malo # Marvell Libertas wireless NICs. 313device mwl # Marvell 88W8363 802.11n wireless NICs. 314device ral # Ralink Technology RT2500 wireless NICs. 315device wpi # Intel 3945ABG wireless NICs. 316 317# Pseudo devices. 318device crypto # core crypto support 319device aesni # AES-NI OpenCrypto module 320device loop # Network loopback 321device padlock_rng # VIA Padlock RNG 322device rdrand_rng # Intel Bull Mountain RNG 323device ether # Ethernet support 324device vlan # 802.1Q VLAN support 325device tuntap # Packet tunnel. 326device md # Memory "disks" 327device gif # IPv6 and IPv4 tunneling 328device firmware # firmware assist module 329 330# The `bpf' device enables the Berkeley Packet Filter. 331# Be aware of the administrative consequences of enabling this! 332# Note that 'bpf' is required for DHCP. 333device bpf # Berkeley packet filter 334 335# USB support 336options USB_DEBUG # enable debug msgs 337device uhci # UHCI PCI->USB interface 338device ohci # OHCI PCI->USB interface 339device ehci # EHCI PCI->USB interface (USB 2.0) 340device xhci # XHCI PCI->USB interface (USB 3.0) 341device usb # USB Bus (required) 342device ukbd # Keyboard 343device umass # Disks/Mass storage - Requires scbus and da 344 345# Sound support 346device sound # Generic sound driver (required) 347device snd_cmi # CMedia CMI8338/CMI8738 348device snd_csa # Crystal Semiconductor CS461x/428x 349device snd_emu10kx # Creative SoundBlaster Live! and Audigy 350device snd_es137x # Ensoniq AudioPCI ES137x 351device snd_hda # Intel High Definition Audio 352device snd_ich # Intel, NVidia and other ICH AC'97 Audio 353device snd_via8233 # VIA VT8233x Audio 354 355# MMC/SD 356device mmc # MMC/SD bus 357device mmcsd # MMC/SD memory card 358device sdhci # Generic PCI SD Host Controller 359device rtsx # Realtek SD card reader 360 361# VirtIO support 362device virtio # Generic VirtIO bus (required) 363device virtio_pci # VirtIO PCI device 364device vtnet # VirtIO Ethernet device 365device virtio_blk # VirtIO Block device 366device virtio_scsi # VirtIO SCSI device 367device virtio_balloon # VirtIO Memory Balloon device 368 369# HyperV drivers and enhancement support 370device hyperv # HyperV drivers 371 372# Xen HVM Guest Optimizations 373# NOTE: XENHVM depends on xenpci. They must be added or removed together. 374options XENHVM # Xen HVM kernel infrastructure 375device xenpci # Xen HVM Hypervisor services driver 376 377# Netmap provides direct access to TX/RX rings on supported NICs 378device netmap # netmap(4) support 379 380# evdev interface 381options EVDEV_SUPPORT # evdev support in legacy drivers 382device evdev # input event device support 383device uinput # install /dev/uinput cdev 384 385# HID support 386options HID_DEBUG # enable debug msgs 387device hid # Generic HID support 388options IICHID_SAMPLING # Workaround missing GPIO INTR support 389