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 137options COMPAT_LINUXKPI 138 139# Floppy drives 140device fdc 141 142# ATA controllers 143device ahci # AHCI-compatible SATA controllers 144device ata # Legacy ATA/SATA controllers 145device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 146device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 147 148# SCSI Controllers 149device ahc # AHA2940 and onboard AIC7xxx devices 150device ahd # AHA39320/29320 and onboard AIC79xx devices 151device esp # AMD Am53C974 (Tekram DC-390(T)) 152device hptiop # Highpoint RocketRaid 3xxx series 153device isp # Qlogic family 154#device ispfw # Firmware for QLogic HBAs- normally a module 155device mpt # LSI-Logic MPT-Fusion 156device mps # LSI-Logic MPT-Fusion 2 157device mpr # LSI-Logic MPT-Fusion 3 158device sym # NCR/Symbios Logic 159device isci # Intel C600 SAS controller 160device ocs_fc # Emulex FC adapters 161device pvscsi # VMware PVSCSI 162 163# ATA/SCSI peripherals 164device scbus # SCSI bus (required for ATA/SCSI) 165device ch # SCSI media changers 166device da # Direct Access (disks) 167device sa # Sequential Access (tape etc) 168device cd # CD 169device pass # Passthrough device (direct ATA/SCSI access) 170device ses # Enclosure Services (SES and SAF-TE) 171#device ctl # CAM Target Layer 172 173# RAID controllers interfaced to the SCSI subsystem 174device amr # AMI MegaRAID 175device arcmsr # Areca SATA II RAID 176device ciss # Compaq Smart RAID 5* 177device iir # Intel Integrated RAID 178device ips # IBM (Adaptec) ServeRAID 179device mly # Mylex AcceleRAID/eXtremeRAID 180device twa # 3ware 9000 series PATA/SATA RAID 181device smartpqi # Microsemi smartpqi driver 182device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 183 184# RAID controllers 185device aac # Adaptec FSA RAID 186device aacp # SCSI passthrough for aac (requires CAM) 187device aacraid # Adaptec by PMC RAID 188device ida # Compaq Smart RAID 189device mfi # LSI MegaRAID SAS 190device mlx # Mylex DAC960 family 191device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 192device pmspcv # PMC-Sierra SAS/SATA Controller driver 193#XXX pointer/int warnings 194#device pst # Promise Supertrak SX6000 195device twe # 3ware ATA RAID 196 197# NVM Express (NVMe) support 198device nvme # base NVMe driver 199device nvd # expose NVMe namespaces as disks, depends on nvme 200 201# Intel Volume Management Device (VMD) support 202device vmd # base VMD device 203device vmd_bus # bus for VMD children 204 205# atkbdc0 controls both the keyboard and the PS/2 mouse 206device atkbdc # AT keyboard controller 207device atkbd # AT keyboard 208device psm # PS/2 mouse 209 210device kbdmux # keyboard multiplexer 211 212device vga # VGA video card driver 213options VESA # Add support for VESA BIOS Extensions (VBE) 214 215device splash # Splash screen and screen saver support 216 217# syscons is the default console driver, resembling an SCO console 218device sc 219options SC_PIXEL_MODE # add support for the raster text mode 220 221# vt is the new video console driver 222device vt 223device vt_vga 224device vt_efifb 225device vt_vbefb 226 227device agp # support several AGP chipsets 228 229# PCCARD (PCMCIA) support 230# PCMCIA and cardbus bridge support 231device cbb # cardbus (yenta) bridge 232device pccard # PC Card (16-bit) bus 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 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# mlx5ib requires ibcore infra and is not included by default 265device mlx5 # Base driver 266device mlxfw # Firmware update 267device mlx5en # Ethernet driver 268 269# PCI Ethernet NICs that use the common MII bus controller code. 270# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 271device miibus # MII bus support 272device ae # Attansic/Atheros L2 FastEthernet 273device age # Attansic/Atheros L1 Gigabit Ethernet 274device alc # Atheros AR8131/AR8132 Ethernet 275device ale # Atheros AR8121/AR8113/AR8114 Ethernet 276device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 277device bfe # Broadcom BCM440x 10/100 Ethernet 278device bge # Broadcom BCM570xx Gigabit Ethernet 279device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 280device dc # DEC/Intel 21143 and various workalikes 281device et # Agere ET1310 10/100/Gigabit Ethernet 282device fxp # Intel EtherExpress PRO/100B (82557, 82558) 283device gem # Sun GEM/Sun ERI/Apple GMAC 284device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 285device lge # Level 1 LXT1001 gigabit Ethernet 286device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 287device nfe # nVidia nForce MCP on-board Ethernet 288device nge # NatSemi DP83820 gigabit Ethernet 289device re # RealTek 8139C+/8169/8169S/8110S 290device rl # RealTek 8129/8139 291device sge # Silicon Integrated Systems SiS190/191 292device sis # Silicon Integrated Systems SiS 900/SiS 7016 293device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 294device ste # Sundance ST201 (D-Link DFE-550TX) 295device stge # Sundance/Tamarack TC9021 gigabit Ethernet 296device vge # VIA VT612x gigabit Ethernet 297device vr # VIA Rhine, Rhine II 298device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 299 300# Wireless NIC cards 301device wlan # 802.11 support 302options IEEE80211_DEBUG # enable debug msgs 303options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 304device wlan_wep # 802.11 WEP support 305device wlan_ccmp # 802.11 CCMP support 306device wlan_tkip # 802.11 TKIP support 307device wlan_amrr # AMRR transmit rate control algorithm 308device an # Aironet 4500/4800 802.11 wireless NICs. 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# HyperV drivers and enhancement support 379device hyperv # HyperV drivers 380 381# Xen HVM Guest Optimizations 382# NOTE: XENHVM depends on xenpci. They must be added or removed together. 383options XENHVM # Xen HVM kernel infrastructure 384device xenpci # Xen HVM Hypervisor services driver 385 386# Netmap provides direct access to TX/RX rings on supported NICs 387device netmap # netmap(4) support 388 389# evdev interface 390options EVDEV_SUPPORT # evdev support in legacy drivers 391device evdev # input event device support 392device uinput # install /dev/uinput cdev 393 394# HID support 395options HID_DEBUG # enable debug msgs 396device hid # Generic HID support 397options IICHID_SAMPLING # Workaround missing GPIO INTR support 398