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 132device smbios 133options IOMMU 134device pci 135options PCI_HP # PCI-Express native HotPlug 136options PCI_IOV # PCI SR-IOV support 137 138options COMPAT_LINUXKPI 139 140# Floppy drives 141device fdc 142 143# ATA controllers 144device ahci # AHCI-compatible SATA controllers 145device ata # Legacy ATA/SATA controllers 146device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 147device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 148 149# SCSI Controllers 150device ahc # AHA2940 and onboard AIC7xxx devices 151device ahd # AHA39320/29320 and onboard AIC79xx devices 152device esp # AMD Am53C974 (Tekram DC-390(T)) 153device hptiop # Highpoint RocketRaid 3xxx series 154device isp # Qlogic family 155#device ispfw # Firmware for QLogic HBAs- normally a module 156device mpt # LSI-Logic MPT-Fusion 157device mps # LSI-Logic MPT-Fusion 2 158device mpr # LSI-Logic MPT-Fusion 3 159device sym # NCR/Symbios Logic 160device isci # Intel C600 SAS controller 161device ocs_fc # Emulex FC adapters 162device pvscsi # VMware PVSCSI 163 164# ATA/SCSI peripherals 165device scbus # SCSI bus (required for ATA/SCSI) 166device ch # SCSI media changers 167device da # Direct Access (disks) 168device sa # Sequential Access (tape etc) 169device cd # CD 170device pass # Passthrough device (direct ATA/SCSI access) 171device ses # Enclosure Services (SES and SAF-TE) 172#device ctl # CAM Target Layer 173 174# RAID controllers interfaced to the SCSI subsystem 175device amr # AMI MegaRAID 176device arcmsr # Areca SATA II RAID 177device ciss # Compaq Smart RAID 5* 178device iir # Intel Integrated RAID 179device ips # IBM (Adaptec) ServeRAID 180device mly # Mylex AcceleRAID/eXtremeRAID 181device twa # 3ware 9000 series PATA/SATA RAID 182device smartpqi # Microsemi smartpqi driver 183device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 184 185# RAID controllers 186device aac # Adaptec FSA RAID 187device aacp # SCSI passthrough for aac (requires CAM) 188device aacraid # Adaptec by PMC RAID 189device ida # Compaq Smart RAID 190device mfi # LSI MegaRAID SAS 191device mlx # Mylex DAC960 family 192device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 193device pmspcv # PMC-Sierra SAS/SATA Controller driver 194#XXX pointer/int warnings 195#device pst # Promise Supertrak SX6000 196device twe # 3ware ATA RAID 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 # base VMD device 204device vmd_bus # bus for VMD children 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 pccard # PC Card (16-bit) bus 234device cardbus # CardBus (32-bit) bus 235 236# Serial (COM) ports 237device uart # Generic UART driver 238 239# Parallel port 240device ppc 241device ppbus # Parallel port bus (required) 242device lpt # Printer 243device ppi # Parallel port interface device 244#device vpo # Requires scbus and da 245 246device puc # Multi I/O cards and multi-channel UARTs 247 248# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 249device iflib 250device em # Intel PRO/1000 Gigabit Ethernet Family 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 an # Aironet 4500/4800 802.11 wireless NICs. 310device ath # Atheros NICs 311device ath_pci # Atheros pci/cardbus glue 312device ath_hal # pci/cardbus chip support 313options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 314options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 315device ath_rate_sample # SampleRate tx rate control for ath 316#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 317#device bwn # Broadcom BCM43xx wireless NICs. 318device ipw # Intel 2100 wireless NICs. 319device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 320device iwn # Intel 4965/1000/5000/6000 wireless NICs. 321device malo # Marvell Libertas wireless NICs. 322device mwl # Marvell 88W8363 802.11n wireless NICs. 323device ral # Ralink Technology RT2500 wireless NICs. 324device wpi # Intel 3945ABG wireless NICs. 325 326# Pseudo devices. 327device crypto # core crypto support 328device aesni # AES-NI OpenCrypto module 329device loop # Network loopback 330device padlock_rng # VIA Padlock RNG 331device rdrand_rng # Intel Bull Mountain RNG 332device ether # Ethernet support 333device vlan # 802.1Q VLAN support 334device tuntap # Packet tunnel. 335device md # Memory "disks" 336device gif # IPv6 and IPv4 tunneling 337device firmware # firmware assist module 338device xz # lzma decompression 339 340# The `bpf' device enables the Berkeley Packet Filter. 341# Be aware of the administrative consequences of enabling this! 342# Note that 'bpf' is required for DHCP. 343device bpf # Berkeley packet filter 344 345# USB support 346options USB_DEBUG # enable debug msgs 347device uhci # UHCI PCI->USB interface 348device ohci # OHCI PCI->USB interface 349device ehci # EHCI PCI->USB interface (USB 2.0) 350device xhci # XHCI PCI->USB interface (USB 3.0) 351device usb # USB Bus (required) 352device ukbd # Keyboard 353device umass # Disks/Mass storage - Requires scbus and da 354 355# Sound support 356device sound # Generic sound driver (required) 357device snd_cmi # CMedia CMI8338/CMI8738 358device snd_csa # Crystal Semiconductor CS461x/428x 359device snd_emu10kx # Creative SoundBlaster Live! and Audigy 360device snd_es137x # Ensoniq AudioPCI ES137x 361device snd_hda # Intel High Definition Audio 362device snd_ich # Intel, NVidia and other ICH AC'97 Audio 363device snd_via8233 # VIA VT8233x Audio 364 365# MMC/SD 366device mmc # MMC/SD bus 367device mmcsd # MMC/SD memory card 368device sdhci # Generic PCI SD Host Controller 369device rtsx # Realtek SD card reader 370 371# VirtIO support 372device virtio # Generic VirtIO bus (required) 373device virtio_pci # VirtIO PCI device 374device vtnet # VirtIO Ethernet device 375device virtio_blk # VirtIO Block device 376device virtio_scsi # VirtIO SCSI device 377device virtio_balloon # VirtIO Memory Balloon device 378 379# HyperV drivers and enhancement support 380device hyperv # HyperV drivers 381 382# Xen HVM Guest Optimizations 383# NOTE: XENHVM depends on xenpci. They must be added or removed together. 384options XENHVM # Xen HVM kernel infrastructure 385device xenpci # Xen HVM Hypervisor services driver 386 387# Netmap provides direct access to TX/RX rings on supported NICs 388device netmap # netmap(4) support 389 390# evdev interface 391options EVDEV_SUPPORT # evdev support in legacy drivers 392device evdev # input event device support 393device uinput # install /dev/uinput cdev 394 395# HID support 396options HID_DEBUG # enable debug msgs 397device hid # Generic HID support 398options IICHID_SAMPLING # Workaround missing GPIO INTR support 399