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 IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 35options ROUTE_MPATH # Multipath routing support 36options TCP_HHOOK # hhook(9) framework for TCP 37options TCP_OFFLOAD # TCP offload 38options SCTP_SUPPORT # Allow kldload of SCTP 39options FFS # Berkeley Fast Filesystem 40options SOFTUPDATES # Enable FFS soft updates support 41options UFS_ACL # Support for access control lists 42options UFS_DIRHASH # Improve performance on big directories 43options UFS_GJOURNAL # Enable gjournal-based UFS journaling 44options QUOTA # Enable disk quotas for UFS 45options MD_ROOT # MD is a potential root device 46options NFSCL # Network Filesystem Client 47options NFSD # Network Filesystem Server 48options NFSLOCKD # Network Lock Manager 49options NFS_ROOT # NFS usable as /, requires NFSCL 50options MSDOSFS # MSDOS Filesystem 51options CD9660 # ISO 9660 Filesystem 52options PROCFS # Process filesystem (requires PSEUDOFS) 53options PSEUDOFS # Pseudo-filesystem framework 54options TMPFS # Efficient memory filesystem 55options GEOM_RAID # Soft RAID functionality. 56options GEOM_LABEL # Provides labelization 57options COMPAT_FREEBSD4 # Compatible with FreeBSD4 58options COMPAT_FREEBSD5 # Compatible with FreeBSD5 59options COMPAT_FREEBSD6 # Compatible with FreeBSD6 60options COMPAT_FREEBSD7 # Compatible with FreeBSD7 61options COMPAT_FREEBSD9 # Compatible with FreeBSD9 62options COMPAT_FREEBSD10 # Compatible with FreeBSD10 63options COMPAT_FREEBSD11 # Compatible with FreeBSD11 64options COMPAT_FREEBSD12 # Compatible with FreeBSD12 65options COMPAT_FREEBSD13 # Compatible with FreeBSD13 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 112options EARLY_AP_STARTUP 113 114# CPU frequency control 115device cpufreq 116 117# Bus support. 118device acpi 119device smbios 120device pci 121options PCI_HP # PCI-Express native HotPlug 122options PCI_IOV # PCI SR-IOV support 123 124# Floppy drives 125device fdc 126 127# ATA controllers 128device ahci # AHCI-compatible SATA controllers 129device ata # Legacy ATA/SATA controllers 130device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 131device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 132 133# SCSI Controllers 134device ahc # AHA2940 and onboard AIC7xxx devices 135device esp # AMD Am53C974 (Tekram DC-390(T)) 136device hptiop # Highpoint RocketRaid 3xxx series 137device isp # Qlogic family 138#device ispfw # Firmware for QLogic HBAs- normally a module 139device mpt # LSI-Logic MPT-Fusion 140device mps # LSI-Logic MPT-Fusion 2 141device mpr # LSI-Logic MPT-Fusion 3 142device sym # NCR/Symbios Logic 143device isci # Intel C600 SAS controller 144device pvscsi # VMware PVSCSI 145 146# ATA/SCSI peripherals 147device scbus # SCSI bus (required for ATA/SCSI) 148device ch # SCSI media changers 149device da # Direct Access (disks) 150device sa # Sequential Access (tape etc) 151device cd # CD 152device pass # Passthrough device (direct ATA/SCSI access) 153device ses # Enclosure Services (SES and SAF-TE) 154#device ctl # CAM Target Layer 155 156# RAID controllers interfaced to the SCSI subsystem 157device amr # AMI MegaRAID 158device arcmsr # Areca SATA II RAID 159device ciss # Compaq Smart RAID 5* 160device iir # Intel Integrated RAID 161device ips # IBM (Adaptec) ServeRAID 162device mly # Mylex AcceleRAID/eXtremeRAID 163device twa # 3ware 9000 series PATA/SATA RAID 164device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 165 166# RAID controllers 167device aac # Adaptec FSA RAID 168device aacp # SCSI passthrough for aac (requires CAM) 169device aacraid # Adaptec by PMC RAID 170device ida # Compaq Smart RAID 171device mfi # LSI MegaRAID SAS 172device mlx # Mylex DAC960 family 173device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 174device pmspcv # PMC-Sierra SAS/SATA Controller driver 175device pst # Promise Supertrak SX6000 176device twe # 3ware ATA RAID 177 178# NVM Express (NVMe) support 179device nvme # base NVMe driver 180device nvd # expose NVMe namespace as disks, depends on nvme 181 182# atkbdc0 controls both the keyboard and the PS/2 mouse 183device atkbdc # AT keyboard controller 184device atkbd # AT keyboard 185device psm # PS/2 mouse 186 187device kbdmux # keyboard multiplexer 188 189device vga # VGA video card driver 190options VESA # Add support for VESA BIOS Extensions (VBE) 191 192device splash # Splash screen and screen saver support 193 194# syscons is the default console driver, resembling an SCO console 195device sc 196options SC_PIXEL_MODE # add support for the raster text mode 197 198# vt is the new video console driver 199device vt 200device vt_vga 201device vt_vbefb 202 203device agp # support several AGP chipsets 204 205# PCCARD (PCMCIA) support 206# PCMCIA and cardbus bridge support 207device cbb # cardbus (yenta) bridge 208device cardbus # CardBus (32-bit) bus 209 210# Serial (COM) ports 211device uart # Generic UART driver 212 213# Parallel port 214device ppc 215device ppbus # Parallel port bus (required) 216device lpt # Printer 217device ppi # Parallel port interface device 218#device vpo # Requires scbus and da 219 220device puc # Multi I/O cards and multi-channel UARTs 221 222# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 223device iflib 224device igc # Intel I225 2.5G Ethernet 225device em # Intel PRO/1000 Gigabit Ethernet Family 226device vmx # VMware VMXNET3 Ethernet 227 228# PCI Ethernet NICs. 229device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 230device le # AMD Am7900 LANCE and Am79C9xx PCnet 231device ti # Alteon Networks Tigon I/II gigabit Ethernet 232 233# PCI Ethernet NICs that use the common MII bus controller code. 234# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 235device miibus # MII bus support 236device ae # Attansic/Atheros L2 FastEthernet 237device age # Attansic/Atheros L1 Gigabit Ethernet 238device alc # Atheros AR8131/AR8132 Ethernet 239device ale # Atheros AR8121/AR8113/AR8114 Ethernet 240device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 241device bfe # Broadcom BCM440x 10/100 Ethernet 242device bge # Broadcom BCM570xx Gigabit Ethernet 243device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 244device dc # DEC/Intel 21143 and various workalikes 245device et # Agere ET1310 10/100/Gigabit Ethernet 246device fxp # Intel EtherExpress PRO/100B (82557, 82558) 247device gem # Sun GEM/Sun ERI/Apple GMAC 248device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 249device lge # Level 1 LXT1001 gigabit Ethernet 250device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 251device nfe # nVidia nForce MCP on-board Ethernet 252device nge # NatSemi DP83820 gigabit Ethernet 253device re # RealTek 8139C+/8169/8169S/8110S 254device rl # RealTek 8129/8139 255device sge # Silicon Integrated Systems SiS190/191 256device sis # Silicon Integrated Systems SiS 900/SiS 7016 257device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 258device ste # Sundance ST201 (D-Link DFE-550TX) 259device stge # Sundance/Tamarack TC9021 gigabit Ethernet 260device vge # VIA VT612x gigabit Ethernet 261device vr # VIA Rhine, Rhine II 262device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 263device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 264 265# Wireless NIC cards 266device wlan # 802.11 support 267options IEEE80211_DEBUG # enable debug msgs 268options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 269device wlan_wep # 802.11 WEP support 270device wlan_ccmp # 802.11 CCMP support 271device wlan_tkip # 802.11 TKIP support 272device wlan_amrr # AMRR transmit rate control algorithm 273device ath # Atheros NICs 274device ath_pci # Atheros pci/cardbus glue 275device ath_hal # pci/cardbus chip support 276options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 277options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 278device ath_rate_sample # SampleRate tx rate control for ath 279#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 280#device bwn # Broadcom BCM43xx wireless NICs. 281device ipw # Intel 2100 wireless NICs. 282device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 283device iwn # Intel 4965/1000/5000/6000 wireless NICs. 284device malo # Marvell Libertas wireless NICs. 285device mwl # Marvell 88W8363 802.11n wireless NICs. 286device ral # Ralink Technology RT2500 wireless NICs. 287device wpi # Intel 3945ABG wireless NICs. 288 289# Pseudo devices. 290device crypto # core crypto support 291device aesni # AES-NI OpenCrypto module 292device loop # Network loopback 293device padlock_rng # VIA Padlock RNG 294device rdrand_rng # Intel Bull Mountain RNG 295device ether # Ethernet support 296device vlan # 802.1Q VLAN support 297device tuntap # Packet tunnel. 298device md # Memory "disks" 299device gif # IPv6 and IPv4 tunneling 300device firmware # firmware assist module 301 302# The `bpf' device enables the Berkeley Packet Filter. 303# Be aware of the administrative consequences of enabling this! 304# Note that 'bpf' is required for DHCP. 305device bpf # Berkeley packet filter 306 307# USB support 308options USB_DEBUG # enable debug msgs 309device uhci # UHCI PCI->USB interface 310device ohci # OHCI PCI->USB interface 311device ehci # EHCI PCI->USB interface (USB 2.0) 312device xhci # XHCI PCI->USB interface (USB 3.0) 313device usb # USB Bus (required) 314device ukbd # Keyboard 315device umass # Disks/Mass storage - Requires scbus and da 316 317# Sound support 318device sound # Generic sound driver (required) 319device snd_cmi # CMedia CMI8338/CMI8738 320device snd_csa # Crystal Semiconductor CS461x/428x 321device snd_emu10kx # Creative SoundBlaster Live! and Audigy 322device snd_es137x # Ensoniq AudioPCI ES137x 323device snd_hda # Intel High Definition Audio 324device snd_ich # Intel, NVidia and other ICH AC'97 Audio 325device snd_via8233 # VIA VT8233x Audio 326 327# MMC/SD 328device mmc # MMC/SD bus 329device mmcsd # MMC/SD memory card 330device sdhci # Generic PCI SD Host Controller 331device rtsx # Realtek SD card reader 332 333# VirtIO support 334device virtio # Generic VirtIO bus (required) 335device virtio_pci # VirtIO PCI device 336device vtnet # VirtIO Ethernet device 337device virtio_blk # VirtIO Block device 338device virtio_scsi # VirtIO SCSI device 339device virtio_balloon # VirtIO Memory Balloon device 340 341# Linux KVM paravirtualization support 342device kvm_clock # KVM paravirtual clock driver 343 344# HyperV drivers and enhancement support 345# NOTE: HYPERV depends on hyperv. They must be added or removed together. 346options HYPERV # Kernel support for HyperV drivers 347device hyperv # HyperV drivers 348 349# Xen HVM Guest Optimizations 350# NOTE: XENHVM and xenpci interdepend. They must be added or removed 351# together. xentimer depends on XENHVM and isn't required. 352options XENHVM # Xen HVM kernel infrastructure 353device xenpci # Xen HVM Hypervisor services driver 354device xentimer # Xen x86 PV timer device 355 356# evdev interface 357options EVDEV_SUPPORT # evdev support in legacy drivers 358device evdev # input event device support 359device uinput # install /dev/uinput cdev 360 361# HID support 362options HID_DEBUG # enable debug msgs 363device hid # Generic HID support 364options IICHID_SAMPLING # Workaround missing GPIO INTR support 365