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 NETLINK # netlink(4) support 36options ROUTE_MPATH # Multipath routing support 37options TCP_HHOOK # hhook(9) framework for TCP 38options TCP_OFFLOAD # TCP offload 39options SCTP_SUPPORT # Allow kldload of SCTP 40options FFS # Berkeley Fast Filesystem 41options SOFTUPDATES # Enable FFS soft updates support 42options UFS_ACL # Support for access control lists 43options UFS_DIRHASH # Improve performance on big directories 44options UFS_GJOURNAL # Enable gjournal-based UFS journaling 45options QUOTA # Enable disk quotas for UFS 46options MD_ROOT # MD is a potential root device 47options NFSCL # Network Filesystem Client 48options NFSD # Network Filesystem Server 49options NFSLOCKD # Network Lock Manager 50options NFS_ROOT # NFS usable as /, requires NFSCL 51options MSDOSFS # MSDOS Filesystem 52options CD9660 # ISO 9660 Filesystem 53options PROCFS # Process filesystem (requires PSEUDOFS) 54options PSEUDOFS # Pseudo-filesystem framework 55options TMPFS # Efficient memory filesystem 56options GEOM_RAID # Soft RAID functionality. 57options GEOM_LABEL # Provides labelization 58options COMPAT_FREEBSD4 # Compatible with FreeBSD4 59options COMPAT_FREEBSD5 # Compatible with FreeBSD5 60options COMPAT_FREEBSD6 # Compatible with FreeBSD6 61options COMPAT_FREEBSD7 # Compatible with FreeBSD7 62options COMPAT_FREEBSD9 # Compatible with FreeBSD9 63options COMPAT_FREEBSD10 # Compatible with FreeBSD10 64options COMPAT_FREEBSD11 # Compatible with FreeBSD11 65options COMPAT_FREEBSD12 # Compatible with FreeBSD12 66options COMPAT_FREEBSD13 # Compatible with FreeBSD13 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 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 arcmsr # Areca SATA II RAID 158device ciss # Compaq Smart RAID 5* 159device ips # IBM (Adaptec) ServeRAID 160device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 161 162# RAID controllers 163device aac # Adaptec FSA RAID 164device aacp # SCSI passthrough for aac (requires CAM) 165device aacraid # Adaptec by PMC RAID 166device ida # Compaq Smart RAID 167device mfi # LSI MegaRAID SAS 168device mlx # Mylex DAC960 family 169device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 170device pmspcv # PMC-Sierra SAS/SATA Controller driver 171device pst # Promise Supertrak SX6000 172device twe # 3ware ATA RAID 173 174# NVM Express (NVMe) support 175device nvme # base NVMe driver 176device nvd # expose NVMe namespace as disks, depends on nvme 177 178# atkbdc0 controls both the keyboard and the PS/2 mouse 179device atkbdc # AT keyboard controller 180device atkbd # AT keyboard 181device psm # PS/2 mouse 182 183device kbdmux # keyboard multiplexer 184 185# syscons is the legacy console driver, resembling an SCO console 186device vga # VGA video card driver 187device splash # Splash screen and screen saver support 188device sc 189options SC_PIXEL_MODE # add support for the raster text mode 190 191# vt is the default video console driver 192device vt 193device vt_vga 194device vt_vbefb 195 196device agp # support several AGP chipsets 197 198# CardBus bridge support 199device cbb # CardBus (yenta) bridge 200device cardbus # CardBus (32-bit) bus 201 202# Serial (COM) ports 203device uart # Generic UART driver 204 205# Parallel port 206device ppc 207device ppbus # Parallel port bus (required) 208device lpt # Printer 209device ppi # Parallel port interface device 210#device vpo # Requires scbus and da 211 212device puc # Multi I/O cards and multi-channel UARTs 213 214# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 215device iflib 216device igc # Intel I225 2.5G Ethernet 217device em # Intel PRO/1000 Gigabit Ethernet Family 218device vmx # VMware VMXNET3 Ethernet 219 220# PCI Ethernet NICs. 221device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 222device le # AMD Am7900 LANCE and Am79C9xx PCnet 223device ti # Alteon Networks Tigon I/II gigabit Ethernet 224 225# PCI Ethernet NICs that use the common MII bus controller code. 226# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 227device miibus # MII bus support 228device ae # Attansic/Atheros L2 FastEthernet 229device age # Attansic/Atheros L1 Gigabit Ethernet 230device alc # Atheros AR8131/AR8132 Ethernet 231device ale # Atheros AR8121/AR8113/AR8114 Ethernet 232device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 233device bfe # Broadcom BCM440x 10/100 Ethernet 234device bge # Broadcom BCM570xx Gigabit Ethernet 235device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 236device dc # DEC/Intel 21143 and various workalikes 237device et # Agere ET1310 10/100/Gigabit Ethernet 238device fxp # Intel EtherExpress PRO/100B (82557, 82558) 239device gem # Sun GEM/Sun ERI/Apple GMAC 240device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 241device lge # Level 1 LXT1001 gigabit Ethernet 242device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 243device nfe # nVidia nForce MCP on-board Ethernet 244device nge # NatSemi DP83820 gigabit Ethernet 245device re # RealTek 8139C+/8169/8169S/8110S 246device rl # RealTek 8129/8139 247device sge # Silicon Integrated Systems SiS190/191 248device sis # Silicon Integrated Systems SiS 900/SiS 7016 249device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 250device ste # Sundance ST201 (D-Link DFE-550TX) 251device stge # Sundance/Tamarack TC9021 gigabit Ethernet 252device vge # VIA VT612x gigabit Ethernet 253device vr # VIA Rhine, Rhine II 254device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 255device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 256 257# Wireless NIC cards 258device wlan # 802.11 support 259options IEEE80211_DEBUG # enable debug msgs 260options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 261device wlan_wep # 802.11 WEP support 262device wlan_ccmp # 802.11 CCMP support 263device wlan_tkip # 802.11 TKIP support 264device wlan_amrr # AMRR transmit rate control algorithm 265device ath # Atheros NICs 266device ath_pci # Atheros pci/cardbus glue 267device ath_hal # pci/cardbus chip support 268options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 269options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 270device ath_rate_sample # SampleRate tx rate control for ath 271#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 272#device bwn # Broadcom BCM43xx wireless NICs. 273device ipw # Intel 2100 wireless NICs. 274device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 275device iwn # Intel 4965/1000/5000/6000 wireless NICs. 276device malo # Marvell Libertas wireless NICs. 277device mwl # Marvell 88W8363 802.11n wireless NICs. 278device ral # Ralink Technology RT2500 wireless NICs. 279device wpi # Intel 3945ABG wireless NICs. 280 281# Pseudo devices. 282device crypto # core crypto support 283device aesni # AES-NI OpenCrypto module 284device loop # Network loopback 285device padlock_rng # VIA Padlock RNG 286device rdrand_rng # Intel Bull Mountain RNG 287device ether # Ethernet support 288device vlan # 802.1Q VLAN support 289device tuntap # Packet tunnel. 290device md # Memory "disks" 291device gif # IPv6 and IPv4 tunneling 292device firmware # firmware assist module 293 294# The `bpf' device enables the Berkeley Packet Filter. 295# Be aware of the administrative consequences of enabling this! 296# Note that 'bpf' is required for DHCP. 297device bpf # Berkeley packet filter 298 299# USB support 300options USB_DEBUG # enable debug msgs 301device uhci # UHCI PCI->USB interface 302device ohci # OHCI PCI->USB interface 303device ehci # EHCI PCI->USB interface (USB 2.0) 304device xhci # XHCI PCI->USB interface (USB 3.0) 305device usb # USB Bus (required) 306device ukbd # Keyboard 307device umass # Disks/Mass storage - Requires scbus and da 308 309# Sound support 310device sound # Generic sound driver (required) 311device snd_cmi # CMedia CMI8338/CMI8738 312device snd_csa # Crystal Semiconductor CS461x/428x 313device snd_emu10kx # Creative SoundBlaster Live! and Audigy 314device snd_es137x # Ensoniq AudioPCI ES137x 315device snd_hda # Intel High Definition Audio 316device snd_ich # Intel, NVidia and other ICH AC'97 Audio 317device snd_via8233 # VIA VT8233x Audio 318 319# MMC/SD 320device mmc # MMC/SD bus 321device mmcsd # MMC/SD memory card 322device sdhci # Generic PCI SD Host Controller 323device rtsx # Realtek SD card reader 324 325# VirtIO support 326device virtio # Generic VirtIO bus (required) 327device virtio_pci # VirtIO PCI device 328device vtnet # VirtIO Ethernet device 329device virtio_blk # VirtIO Block device 330device virtio_scsi # VirtIO SCSI device 331device virtio_balloon # VirtIO Memory Balloon device 332 333# Linux KVM paravirtualization support 334device kvm_clock # KVM paravirtual clock driver 335 336# HyperV drivers and enhancement support 337# NOTE: HYPERV depends on hyperv. They must be added or removed together. 338options HYPERV # Kernel support for HyperV drivers 339device hyperv # HyperV drivers 340 341# Xen HVM Guest Optimizations 342# NOTE: XENHVM and xenpci interdepend. They must be added or removed 343# together. xentimer depends on XENHVM and isn't required. 344options XENHVM # Xen HVM kernel infrastructure 345device xenpci # Xen HVM Hypervisor services driver 346device xentimer # Xen x86 PV timer device 347 348# evdev interface 349options EVDEV_SUPPORT # evdev support in legacy drivers 350device evdev # input event device support 351device uinput # install /dev/uinput cdev 352 353# HID support 354options HID_DEBUG # enable debug msgs 355device hid # Generic HID support 356options IICHID_SAMPLING # Workaround missing GPIO INTR support 357