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 20cpu I486_CPU 21cpu I586_CPU 22cpu I686_CPU 23ident GENERIC 24 25makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 26makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 27 28options SCHED_ULE # ULE scheduler 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_HHOOK # hhook(9) framework for TCP 36options TCP_OFFLOAD # TCP offload 37options SCTP_SUPPORT # Allow kldload of SCTP 38options FFS # Berkeley Fast Filesystem 39options SOFTUPDATES # Enable FFS soft updates support 40options UFS_ACL # Support for access control lists 41options UFS_DIRHASH # Improve performance on big directories 42options UFS_GJOURNAL # Enable gjournal-based UFS journaling 43options QUOTA # Enable disk quotas for UFS 44options MD_ROOT # MD is a potential root device 45options NFSCL # Network Filesystem Client 46options NFSD # Network Filesystem Server 47options NFSLOCKD # Network Lock Manager 48options NFS_ROOT # NFS usable as /, requires NFSCL 49options MSDOSFS # MSDOS Filesystem 50options CD9660 # ISO 9660 Filesystem 51options PROCFS # Process filesystem (requires PSEUDOFS) 52options PSEUDOFS # Pseudo-filesystem framework 53options TMPFS # Efficient memory filesystem 54options GEOM_RAID # Soft RAID functionality. 55options GEOM_LABEL # Provides labelization 56options COMPAT_FREEBSD4 # Compatible with FreeBSD4 57options COMPAT_FREEBSD5 # Compatible with FreeBSD5 58options COMPAT_FREEBSD6 # Compatible with FreeBSD6 59options COMPAT_FREEBSD7 # Compatible with FreeBSD7 60options COMPAT_FREEBSD9 # Compatible with FreeBSD9 61options COMPAT_FREEBSD10 # Compatible with FreeBSD10 62options COMPAT_FREEBSD11 # Compatible with FreeBSD11 63options COMPAT_FREEBSD12 # Compatible with FreeBSD12 64options COMPAT_FREEBSD13 # Compatible with FreeBSD13 65options COMPAT_FREEBSD14 # Compatible with FreeBSD14 66options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 67options KTRACE # ktrace(1) support 68options STACK # stack(9) support 69options SYSVSHM # SYSV-style shared memory 70options SYSVMSG # SYSV-style message queues 71options SYSVSEM # SYSV-style semaphores 72options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 73options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 74options KBD_INSTALL_CDEV # install a CDEV entry in /dev 75options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 76options AUDIT # Security event auditing 77options CAPABILITY_MODE # Capsicum capability mode 78options CAPABILITIES # Capsicum capabilities 79options MAC # TrustedBSD MAC Framework 80options KDTRACE_HOOKS # Kernel DTrace hooks 81options DDB_CTF # Kernel ELF linker loads CTF data 82options INCLUDE_CONFIG_FILE # Include this file in kernel 83options RACCT # Resource accounting framework 84options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 85options RCTL # Resource limits 86 87# Debugging support. Always need this: 88options KDB # Enable kernel debugger support. 89options KDB_TRACE # Print a stack trace for a panic. 90# For full debugger support use (turn off in stable branch): 91options DDB # Support DDB. 92options GDB # Support remote GDB. 93options DEADLKRES # Enable the deadlock resolver 94options INVARIANTS # Enable calls of extra sanity checking 95options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 96options WITNESS # Enable checks to detect deadlocks and cycles 97options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 98options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 99options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 100 101# Kernel dump features. 102options EKCD # Support for encrypted kernel dumps 103options GZIO # gzip-compressed kernel and user dumps 104options ZSTDIO # zstd-compressed kernel and user dumps 105options DEBUGNET # debugnet networking 106options NETDUMP # netdump(4) client support 107options NETGDB # netgdb(4) client support 108 109# To make an SMP kernel, the next two lines are needed 110options SMP # Symmetric MultiProcessor Kernel 111device apic # I/O APIC 112 113# CPU frequency control 114device cpufreq 115 116# Bus support. 117device acpi 118device smbios 119device pci 120options PCI_HP # PCI-Express native HotPlug 121options PCI_IOV # PCI SR-IOV support 122 123# Floppy drives 124device fdc 125 126# ATA controllers 127device ahci # AHCI-compatible SATA controllers 128device ata # Legacy ATA/SATA controllers 129device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 130device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 131 132# SCSI Controllers 133device ahc # AHA2940 and onboard AIC7xxx devices 134device hptiop # Highpoint RocketRaid 3xxx series 135device isp # Qlogic family 136#device ispfw # Firmware for QLogic HBAs- normally a module 137device mpt # LSI-Logic MPT-Fusion 138device mps # LSI-Logic MPT-Fusion 2 139device mpr # LSI-Logic MPT-Fusion 3 140device sym # NCR/Symbios Logic 141device isci # Intel C600 SAS controller 142device pvscsi # VMware PVSCSI 143 144# ATA/SCSI peripherals 145device scbus # SCSI bus (required for ATA/SCSI) 146device ch # SCSI media changers 147device da # Direct Access (disks) 148device sa # Sequential Access (tape etc) 149device cd # CD 150device pass # Passthrough device (direct ATA/SCSI access) 151device ses # Enclosure Services (SES and SAF-TE) 152#device ctl # CAM Target Layer 153 154# RAID controllers interfaced to the SCSI subsystem 155device arcmsr # Areca SATA II RAID 156device ciss # Compaq Smart RAID 5* 157device ips # IBM (Adaptec) ServeRAID 158device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 159 160# RAID controllers 161device aac # Adaptec FSA RAID 162device aacp # SCSI passthrough for aac (requires CAM) 163device aacraid # Adaptec by PMC RAID 164device ida # Compaq Smart RAID 165device mfi # LSI MegaRAID SAS 166device mlx # Mylex DAC960 family 167device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 168device pst # Promise Supertrak SX6000 169 170# NVM Express (NVMe) support 171device nvme # base NVMe driver 172device nvd # expose NVMe namespace as disks, depends on nvme 173 174# atkbdc0 controls both the keyboard and the PS/2 mouse 175device atkbdc # AT keyboard controller 176device atkbd # AT keyboard 177device psm # PS/2 mouse 178 179device kbdmux # keyboard multiplexer 180 181# syscons is the legacy console driver, resembling an SCO console 182device vga # VGA video card driver 183device splash # Splash screen and screen saver support 184device sc 185options SC_PIXEL_MODE # add support for the raster text mode 186 187# vt is the default video console driver 188device vt 189device vt_vga 190device vt_vbefb 191 192device agp # support several AGP chipsets 193 194# CardBus bridge support 195device cbb # CardBus (yenta) bridge 196device cardbus # CardBus (32-bit) bus 197 198# Serial (COM) ports 199device uart # Generic UART driver 200 201# Parallel port 202device ppc 203device ppbus # Parallel port bus (required) 204device lpt # Printer 205device ppi # Parallel port interface device 206#device vpo # Requires scbus and da 207 208device puc # Multi I/O cards and multi-channel UARTs 209 210# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 211device iflib 212device igc # Intel I225 2.5G Ethernet 213device em # Intel PRO/1000 Gigabit Ethernet Family 214device vmx # VMware VMXNET3 Ethernet 215 216# PCI Ethernet NICs. 217device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 218device le # AMD Am7900 LANCE and Am79C9xx PCnet 219device ti # Alteon Networks Tigon I/II gigabit Ethernet 220 221# PCI Ethernet NICs that use the common MII bus controller code. 222# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 223device miibus # MII bus support 224device ae # Attansic/Atheros L2 FastEthernet 225device age # Attansic/Atheros L1 Gigabit Ethernet 226device alc # Atheros AR8131/AR8132 Ethernet 227device ale # Atheros AR8121/AR8113/AR8114 Ethernet 228device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 229device bfe # Broadcom BCM440x 10/100 Ethernet 230device bge # Broadcom BCM570xx Gigabit Ethernet 231device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 232device dc # DEC/Intel 21143 and various workalikes 233device et # Agere ET1310 10/100/Gigabit Ethernet 234device fxp # Intel EtherExpress PRO/100B (82557, 82558) 235device gem # Sun GEM/Sun ERI/Apple GMAC 236device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 237device lge # Level 1 LXT1001 gigabit Ethernet 238device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 239device nfe # nVidia nForce MCP on-board Ethernet 240device nge # NatSemi DP83820 gigabit Ethernet 241device re # RealTek 8139C+/8169/8169S/8110S 242device rl # RealTek 8129/8139 243device sge # Silicon Integrated Systems SiS190/191 244device sis # Silicon Integrated Systems SiS 900/SiS 7016 245device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 246device ste # Sundance ST201 (D-Link DFE-550TX) 247device stge # Sundance/Tamarack TC9021 gigabit Ethernet 248device vge # VIA VT612x gigabit Ethernet 249device vr # VIA Rhine, Rhine II 250device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 251device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 252 253# Wireless NIC cards 254device wlan # 802.11 support 255options IEEE80211_DEBUG # enable debug msgs 256options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 257device wlan_wep # 802.11 WEP support 258device wlan_ccmp # 802.11 CCMP support 259device wlan_tkip # 802.11 TKIP support 260device wlan_amrr # AMRR transmit rate control algorithm 261device ath # Atheros CardBus/PCI NICs 262device ath_hal # Atheros CardBus/PCI chip support 263options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 264options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 265device ath_rate_sample # SampleRate tx rate control for ath 266#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 267#device bwn # Broadcom BCM43xx wireless NICs. 268device ipw # Intel 2100 wireless NICs. 269device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 270device iwn # Intel 4965/1000/5000/6000 wireless NICs. 271device malo # Marvell Libertas wireless NICs. 272device mwl # Marvell 88W8363 802.11n wireless NICs. 273device ral # Ralink Technology RT2500 wireless NICs. 274device wpi # Intel 3945ABG wireless NICs. 275 276# Pseudo devices. 277device crypto # core crypto support 278device aesni # AES-NI OpenCrypto module 279device loop # Network loopback 280device padlock_rng # VIA Padlock RNG 281device rdrand_rng # Intel Bull Mountain RNG 282device ether # Ethernet support 283device vlan # 802.1Q VLAN support 284device tuntap # Packet tunnel. 285device md # Memory "disks" 286device gif # IPv6 and IPv4 tunneling 287device firmware # firmware assist module 288 289# The `bpf' device enables the Berkeley Packet Filter. 290# Be aware of the administrative consequences of enabling this! 291# Note that 'bpf' is required for DHCP. 292device bpf # Berkeley packet filter 293 294# USB support 295options USB_DEBUG # enable debug msgs 296device uhci # UHCI PCI->USB interface 297device ohci # OHCI PCI->USB interface 298device ehci # EHCI PCI->USB interface (USB 2.0) 299device xhci # XHCI PCI->USB interface (USB 3.0) 300device usb # USB Bus (required) 301device ukbd # Keyboard 302device umass # Disks/Mass storage - Requires scbus and da 303 304# Sound support 305device sound # Generic sound driver (required) 306device snd_cmi # CMedia CMI8338/CMI8738 307device snd_csa # Crystal Semiconductor CS461x/428x 308device snd_emu10kx # Creative SoundBlaster Live! and Audigy 309device snd_es137x # Ensoniq AudioPCI ES137x 310device snd_hda # Intel High Definition Audio 311device snd_ich # Intel, NVidia and other ICH AC'97 Audio 312device snd_via8233 # VIA VT8233x Audio 313 314# MMC/SD 315device mmc # MMC/SD bus 316device mmcsd # MMC/SD memory card 317device sdhci # Generic PCI SD Host Controller 318 319# VirtIO support 320device virtio # Generic VirtIO bus (required) 321device virtio_pci # VirtIO PCI device 322device vtnet # VirtIO Ethernet device 323device virtio_blk # VirtIO Block device 324device virtio_scsi # VirtIO SCSI device 325device virtio_balloon # VirtIO Memory Balloon device 326 327# Linux KVM paravirtualization support 328device kvm_clock # KVM paravirtual clock driver 329 330# HyperV drivers and enhancement support 331# NOTE: HYPERV depends on hyperv. They must be added or removed together. 332options HYPERV # Kernel support for HyperV drivers 333device hyperv # HyperV drivers 334 335# Xen HVM Guest Optimizations 336# NOTE: XENHVM and xenpci interdepend. They must be added or removed 337# together. xentimer depends on XENHVM and isn't required. 338options XENHVM # Xen HVM kernel infrastructure 339device xenpci # Xen HVM Hypervisor services driver 340device xentimer # Xen x86 PV timer device 341 342# evdev interface 343options EVDEV_SUPPORT # evdev support in legacy drivers 344device evdev # input event device support 345device uinput # install /dev/uinput cdev 346 347# HID support 348options HID_DEBUG # enable debug msgs 349device hid # Generic HID support 350options IICHID_SAMPLING # Workaround missing GPIO INTR support 351