1# 2# GENERIC -- Generic kernel configuration file for FreeBSD/i386 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 I486_CPU 22cpu I586_CPU 23cpu I686_CPU 24ident GENERIC 25 26makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 27makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 28 29options SCHED_ULE # ULE scheduler 30options PREEMPTION # Enable kernel thread preemption 31options VIMAGE # Subsystem virtualization, e.g. VNET 32options INET # InterNETworking 33options INET6 # IPv6 communications protocols 34options CC_NEWRENO # include newreno congestion control 35options CC_DEFAULT=\"newreno\" # define our default CC module it should be compiled in. 36options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 37options ROUTE_MPATH # Multipath routing support 38options TCP_HHOOK # hhook(9) framework for TCP 39options TCP_OFFLOAD # TCP offload 40options SCTP_SUPPORT # Allow kldload of SCTP 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 COMPAT_FREEBSD4 # Compatible with FreeBSD4 60options COMPAT_FREEBSD5 # Compatible with FreeBSD5 61options COMPAT_FREEBSD6 # Compatible with FreeBSD6 62options COMPAT_FREEBSD7 # Compatible with FreeBSD7 63options COMPAT_FREEBSD9 # Compatible with FreeBSD9 64options COMPAT_FREEBSD10 # Compatible with FreeBSD10 65options COMPAT_FREEBSD11 # Compatible with FreeBSD11 66options COMPAT_FREEBSD12 # Compatible with FreeBSD12 67options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 68options KTRACE # ktrace(1) support 69options STACK # stack(9) support 70options SYSVSHM # SYSV-style shared memory 71options SYSVMSG # SYSV-style message queues 72options SYSVSEM # SYSV-style semaphores 73options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 74options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 75options KBD_INSTALL_CDEV # install a CDEV entry in /dev 76options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 77options AUDIT # Security event auditing 78options CAPABILITY_MODE # Capsicum capability mode 79options CAPABILITIES # Capsicum capabilities 80options MAC # TrustedBSD MAC Framework 81options KDTRACE_HOOKS # Kernel DTrace hooks 82options DDB_CTF # Kernel ELF linker loads CTF data 83options INCLUDE_CONFIG_FILE # Include this file in kernel 84options RACCT # Resource accounting framework 85options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 86options RCTL # Resource limits 87 88# Debugging support. Always need this: 89options KDB # Enable kernel debugger support. 90options KDB_TRACE # Print a stack trace for a panic. 91# For full debugger support use (turn off in stable branch): 92options DDB # Support DDB. 93options GDB # Support remote GDB. 94options DEADLKRES # Enable the deadlock resolver 95options INVARIANTS # Enable calls of extra sanity checking 96options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 97options WITNESS # Enable checks to detect deadlocks and cycles 98options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 99options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 100options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 101 102# Kernel dump features. 103options EKCD # Support for encrypted kernel dumps 104options GZIO # gzip-compressed kernel and user dumps 105options ZSTDIO # zstd-compressed kernel and user dumps 106options DEBUGNET # debugnet networking 107options NETDUMP # netdump(4) client support 108options NETGDB # netgdb(4) client support 109 110# To make an SMP kernel, the next two lines are needed 111options SMP # Symmetric MultiProcessor Kernel 112device apic # I/O APIC 113options EARLY_AP_STARTUP 114 115# CPU frequency control 116device cpufreq 117 118# Bus support. 119device acpi 120device smbios 121device pci 122options PCI_HP # PCI-Express native HotPlug 123options PCI_IOV # PCI SR-IOV support 124 125# Floppy drives 126device fdc 127 128# ATA controllers 129device ahci # AHCI-compatible SATA controllers 130device ata # Legacy ATA/SATA controllers 131device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 132device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 133 134# SCSI Controllers 135device ahc # AHA2940 and onboard AIC7xxx devices 136device esp # AMD Am53C974 (Tekram DC-390(T)) 137device hptiop # Highpoint RocketRaid 3xxx series 138device isp # Qlogic family 139#device ispfw # Firmware for QLogic HBAs- normally a module 140device mpt # LSI-Logic MPT-Fusion 141device mps # LSI-Logic MPT-Fusion 2 142device mpr # LSI-Logic MPT-Fusion 3 143device sym # NCR/Symbios Logic 144device isci # Intel C600 SAS controller 145device pvscsi # VMware PVSCSI 146 147# ATA/SCSI peripherals 148device scbus # SCSI bus (required for ATA/SCSI) 149device ch # SCSI media changers 150device da # Direct Access (disks) 151device sa # Sequential Access (tape etc) 152device cd # CD 153device pass # Passthrough device (direct ATA/SCSI access) 154device ses # Enclosure Services (SES and SAF-TE) 155#device ctl # CAM Target Layer 156 157# RAID controllers interfaced to the SCSI subsystem 158device amr # AMI MegaRAID 159device arcmsr # Areca SATA II RAID 160device ciss # Compaq Smart RAID 5* 161device iir # Intel Integrated RAID 162device ips # IBM (Adaptec) ServeRAID 163device mly # Mylex AcceleRAID/eXtremeRAID 164device twa # 3ware 9000 series PATA/SATA RAID 165device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 166 167# RAID controllers 168device aac # Adaptec FSA RAID 169device aacp # SCSI passthrough for aac (requires CAM) 170device aacraid # Adaptec by PMC RAID 171device ida # Compaq Smart RAID 172device mfi # LSI MegaRAID SAS 173device mlx # Mylex DAC960 family 174device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 175device pmspcv # PMC-Sierra SAS/SATA Controller driver 176device pst # Promise Supertrak SX6000 177device twe # 3ware ATA RAID 178 179# NVM Express (NVMe) support 180device nvme # base NVMe driver 181device nvd # expose NVMe namespace as disks, depends on nvme 182 183# atkbdc0 controls both the keyboard and the PS/2 mouse 184device atkbdc # AT keyboard controller 185device atkbd # AT keyboard 186device psm # PS/2 mouse 187 188device kbdmux # keyboard multiplexer 189 190device vga # VGA video card driver 191options VESA # Add support for VESA BIOS Extensions (VBE) 192 193device splash # Splash screen and screen saver support 194 195# syscons is the default console driver, resembling an SCO console 196device sc 197options SC_PIXEL_MODE # add support for the raster text mode 198 199# vt is the new video console driver 200device vt 201device vt_vga 202device vt_vbefb 203 204device agp # support several AGP chipsets 205 206# PCCARD (PCMCIA) support 207# PCMCIA and cardbus bridge support 208device cbb # cardbus (yenta) bridge 209device cardbus # CardBus (32-bit) bus 210 211# Serial (COM) ports 212device uart # Generic UART driver 213 214# Parallel port 215device ppc 216device ppbus # Parallel port bus (required) 217device lpt # Printer 218device ppi # Parallel port interface device 219#device vpo # Requires scbus and da 220 221device puc # Multi I/O cards and multi-channel UARTs 222 223# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 224device iflib 225device igc # Intel I225 2.5G Ethernet 226device em # Intel PRO/1000 Gigabit Ethernet Family 227device vmx # VMware VMXNET3 Ethernet 228 229# PCI Ethernet NICs. 230device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 231device le # AMD Am7900 LANCE and Am79C9xx PCnet 232device ti # Alteon Networks Tigon I/II gigabit Ethernet 233 234# PCI Ethernet NICs that use the common MII bus controller code. 235# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 236device miibus # MII bus support 237device ae # Attansic/Atheros L2 FastEthernet 238device age # Attansic/Atheros L1 Gigabit Ethernet 239device alc # Atheros AR8131/AR8132 Ethernet 240device ale # Atheros AR8121/AR8113/AR8114 Ethernet 241device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 242device bfe # Broadcom BCM440x 10/100 Ethernet 243device bge # Broadcom BCM570xx Gigabit Ethernet 244device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 245device dc # DEC/Intel 21143 and various workalikes 246device et # Agere ET1310 10/100/Gigabit Ethernet 247device fxp # Intel EtherExpress PRO/100B (82557, 82558) 248device gem # Sun GEM/Sun ERI/Apple GMAC 249device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 250device lge # Level 1 LXT1001 gigabit Ethernet 251device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 252device nfe # nVidia nForce MCP on-board Ethernet 253device nge # NatSemi DP83820 gigabit Ethernet 254device re # RealTek 8139C+/8169/8169S/8110S 255device rl # RealTek 8129/8139 256device sge # Silicon Integrated Systems SiS190/191 257device sis # Silicon Integrated Systems SiS 900/SiS 7016 258device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 259device ste # Sundance ST201 (D-Link DFE-550TX) 260device stge # Sundance/Tamarack TC9021 gigabit Ethernet 261device vge # VIA VT612x gigabit Ethernet 262device vr # VIA Rhine, Rhine II 263device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 264device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 265 266# Wireless NIC cards 267device wlan # 802.11 support 268options IEEE80211_DEBUG # enable debug msgs 269options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 270device wlan_wep # 802.11 WEP support 271device wlan_ccmp # 802.11 CCMP support 272device wlan_tkip # 802.11 TKIP support 273device wlan_amrr # AMRR transmit rate control algorithm 274device ath # Atheros NICs 275device ath_pci # Atheros pci/cardbus glue 276device ath_hal # pci/cardbus chip support 277options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 278options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 279device ath_rate_sample # SampleRate tx rate control for ath 280#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 281#device bwn # Broadcom BCM43xx wireless NICs. 282device ipw # Intel 2100 wireless NICs. 283device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 284device iwn # Intel 4965/1000/5000/6000 wireless NICs. 285device malo # Marvell Libertas wireless NICs. 286device mwl # Marvell 88W8363 802.11n wireless NICs. 287device ral # Ralink Technology RT2500 wireless NICs. 288device wpi # Intel 3945ABG wireless NICs. 289 290# Pseudo devices. 291device crypto # core crypto support 292device aesni # AES-NI OpenCrypto module 293device loop # Network loopback 294device padlock_rng # VIA Padlock RNG 295device rdrand_rng # Intel Bull Mountain RNG 296device ether # Ethernet support 297device vlan # 802.1Q VLAN support 298device tuntap # Packet tunnel. 299device md # Memory "disks" 300device gif # IPv6 and IPv4 tunneling 301device firmware # firmware assist module 302 303# The `bpf' device enables the Berkeley Packet Filter. 304# Be aware of the administrative consequences of enabling this! 305# Note that 'bpf' is required for DHCP. 306device bpf # Berkeley packet filter 307 308# USB support 309options USB_DEBUG # enable debug msgs 310device uhci # UHCI PCI->USB interface 311device ohci # OHCI PCI->USB interface 312device ehci # EHCI PCI->USB interface (USB 2.0) 313device xhci # XHCI PCI->USB interface (USB 3.0) 314device usb # USB Bus (required) 315device ukbd # Keyboard 316device umass # Disks/Mass storage - Requires scbus and da 317 318# Sound support 319device sound # Generic sound driver (required) 320device snd_cmi # CMedia CMI8338/CMI8738 321device snd_csa # Crystal Semiconductor CS461x/428x 322device snd_emu10kx # Creative SoundBlaster Live! and Audigy 323device snd_es137x # Ensoniq AudioPCI ES137x 324device snd_hda # Intel High Definition Audio 325device snd_ich # Intel, NVidia and other ICH AC'97 Audio 326device snd_via8233 # VIA VT8233x Audio 327 328# MMC/SD 329device mmc # MMC/SD bus 330device mmcsd # MMC/SD memory card 331device sdhci # Generic PCI SD Host Controller 332device rtsx # Realtek SD card reader 333 334# VirtIO support 335device virtio # Generic VirtIO bus (required) 336device virtio_pci # VirtIO PCI device 337device vtnet # VirtIO Ethernet device 338device virtio_blk # VirtIO Block device 339device virtio_scsi # VirtIO SCSI device 340device virtio_balloon # VirtIO Memory Balloon device 341 342# Linux KVM paravirtualization support 343device kvm_clock # KVM paravirtual clock driver 344 345# HyperV drivers and enhancement support 346# NOTE: HYPERV depends on hyperv. They must be added or removed together. 347options HYPERV # Kernel support for HyperV drivers 348device hyperv # HyperV drivers 349 350# Xen HVM Guest Optimizations 351# NOTE: XENHVM and xenpci interdepend. They must be added or removed 352# together. xentimer depends on XENHVM and isn't required. 353options XENHVM # Xen HVM kernel infrastructure 354device xenpci # Xen HVM Hypervisor services driver 355device xentimer # Xen x86 PV timer device 356 357# evdev interface 358options EVDEV_SUPPORT # evdev support in legacy drivers 359device evdev # input event device support 360device uinput # install /dev/uinput cdev 361 362# HID support 363options HID_DEBUG # enable debug msgs 364device hid # Generic HID support 365options IICHID_SAMPLING # Workaround missing GPIO INTR support 366