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