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 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 111options EARLY_AP_STARTUP 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 esp # AMD Am53C974 (Tekram DC-390(T)) 135device hptiop # Highpoint RocketRaid 3xxx series 136device isp # Qlogic family 137#device ispfw # Firmware for QLogic HBAs- normally a module 138device mpt # LSI-Logic MPT-Fusion 139device mps # LSI-Logic MPT-Fusion 2 140device mpr # LSI-Logic MPT-Fusion 3 141device sym # NCR/Symbios Logic 142device isci # Intel C600 SAS controller 143device pvscsi # VMware PVSCSI 144 145# ATA/SCSI peripherals 146device scbus # SCSI bus (required for ATA/SCSI) 147device ch # SCSI media changers 148device da # Direct Access (disks) 149device sa # Sequential Access (tape etc) 150device cd # CD 151device pass # Passthrough device (direct ATA/SCSI access) 152device ses # Enclosure Services (SES and SAF-TE) 153#device ctl # CAM Target Layer 154 155# RAID controllers interfaced to the SCSI subsystem 156device amr # AMI MegaRAID 157device arcmsr # Areca SATA II RAID 158device ciss # Compaq Smart RAID 5* 159device iir # Intel Integrated RAID 160device ips # IBM (Adaptec) ServeRAID 161device mly # Mylex AcceleRAID/eXtremeRAID 162device twa # 3ware 9000 series PATA/SATA RAID 163device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 164 165# RAID controllers 166device aac # Adaptec FSA RAID 167device aacp # SCSI passthrough for aac (requires CAM) 168device aacraid # Adaptec by PMC RAID 169device ida # Compaq Smart RAID 170device mfi # LSI MegaRAID SAS 171device mlx # Mylex DAC960 family 172device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 173device pmspcv # PMC-Sierra SAS/SATA Controller driver 174device pst # Promise Supertrak SX6000 175device twe # 3ware ATA RAID 176 177# NVM Express (NVMe) support 178device nvme # base NVMe driver 179device nvd # expose NVMe namespace as disks, depends on nvme 180 181# atkbdc0 controls both the keyboard and the PS/2 mouse 182device atkbdc # AT keyboard controller 183device atkbd # AT keyboard 184device psm # PS/2 mouse 185 186device kbdmux # keyboard multiplexer 187 188device vga # VGA video card driver 189options VESA # Add support for VESA BIOS Extensions (VBE) 190 191device splash # Splash screen and screen saver support 192 193# syscons is the default console driver, resembling an SCO console 194device sc 195options SC_PIXEL_MODE # add support for the raster text mode 196 197# vt is the new video console driver 198device vt 199device vt_vga 200device vt_vbefb 201 202device agp # support several AGP chipsets 203 204# PCCARD (PCMCIA) support 205# PCMCIA and cardbus bridge support 206device cbb # cardbus (yenta) bridge 207device cardbus # CardBus (32-bit) bus 208 209# Serial (COM) ports 210device uart # Generic UART driver 211 212# Parallel port 213device ppc 214device ppbus # Parallel port bus (required) 215device lpt # Printer 216device ppi # Parallel port interface device 217#device vpo # Requires scbus and da 218 219device puc # Multi I/O cards and multi-channel UARTs 220 221# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 222device iflib 223device igc # Intel I225 2.5G Ethernet 224device em # Intel PRO/1000 Gigabit Ethernet Family 225device vmx # VMware VMXNET3 Ethernet 226 227# PCI Ethernet NICs. 228device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 229device le # AMD Am7900 LANCE and Am79C9xx PCnet 230device ti # Alteon Networks Tigon I/II gigabit Ethernet 231 232# PCI Ethernet NICs that use the common MII bus controller code. 233# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 234device miibus # MII bus support 235device ae # Attansic/Atheros L2 FastEthernet 236device age # Attansic/Atheros L1 Gigabit Ethernet 237device alc # Atheros AR8131/AR8132 Ethernet 238device ale # Atheros AR8121/AR8113/AR8114 Ethernet 239device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 240device bfe # Broadcom BCM440x 10/100 Ethernet 241device bge # Broadcom BCM570xx Gigabit Ethernet 242device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 243device dc # DEC/Intel 21143 and various workalikes 244device et # Agere ET1310 10/100/Gigabit Ethernet 245device fxp # Intel EtherExpress PRO/100B (82557, 82558) 246device gem # Sun GEM/Sun ERI/Apple GMAC 247device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 248device lge # Level 1 LXT1001 gigabit Ethernet 249device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 250device nfe # nVidia nForce MCP on-board Ethernet 251device nge # NatSemi DP83820 gigabit Ethernet 252device re # RealTek 8139C+/8169/8169S/8110S 253device rl # RealTek 8129/8139 254device sge # Silicon Integrated Systems SiS190/191 255device sis # Silicon Integrated Systems SiS 900/SiS 7016 256device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 257device ste # Sundance ST201 (D-Link DFE-550TX) 258device stge # Sundance/Tamarack TC9021 gigabit Ethernet 259device vge # VIA VT612x gigabit Ethernet 260device vr # VIA Rhine, Rhine II 261device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 262device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 263 264# Wireless NIC cards 265device wlan # 802.11 support 266options IEEE80211_DEBUG # enable debug msgs 267options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 268device wlan_wep # 802.11 WEP support 269device wlan_ccmp # 802.11 CCMP support 270device wlan_tkip # 802.11 TKIP support 271device wlan_amrr # AMRR transmit rate control algorithm 272device ath # Atheros NICs 273device ath_pci # Atheros pci/cardbus glue 274device ath_hal # pci/cardbus chip support 275options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 276options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 277device ath_rate_sample # SampleRate tx rate control for ath 278#device bwi # Broadcom BCM430x/BCM431x wireless NICs. 279#device bwn # Broadcom BCM43xx wireless NICs. 280device ipw # Intel 2100 wireless NICs. 281device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 282device iwn # Intel 4965/1000/5000/6000 wireless NICs. 283device malo # Marvell Libertas wireless NICs. 284device mwl # Marvell 88W8363 802.11n wireless NICs. 285device ral # Ralink Technology RT2500 wireless NICs. 286device wpi # Intel 3945ABG wireless NICs. 287 288# Pseudo devices. 289device crypto # core crypto support 290device aesni # AES-NI OpenCrypto module 291device loop # Network loopback 292device padlock_rng # VIA Padlock RNG 293device rdrand_rng # Intel Bull Mountain RNG 294device ether # Ethernet support 295device vlan # 802.1Q VLAN support 296device tuntap # Packet tunnel. 297device md # Memory "disks" 298device gif # IPv6 and IPv4 tunneling 299device firmware # firmware assist module 300 301# The `bpf' device enables the Berkeley Packet Filter. 302# Be aware of the administrative consequences of enabling this! 303# Note that 'bpf' is required for DHCP. 304device bpf # Berkeley packet filter 305 306# USB support 307options USB_DEBUG # enable debug msgs 308device uhci # UHCI PCI->USB interface 309device ohci # OHCI PCI->USB interface 310device ehci # EHCI PCI->USB interface (USB 2.0) 311device xhci # XHCI PCI->USB interface (USB 3.0) 312device usb # USB Bus (required) 313device ukbd # Keyboard 314device umass # Disks/Mass storage - Requires scbus and da 315 316# Sound support 317device sound # Generic sound driver (required) 318device snd_cmi # CMedia CMI8338/CMI8738 319device snd_csa # Crystal Semiconductor CS461x/428x 320device snd_emu10kx # Creative SoundBlaster Live! and Audigy 321device snd_es137x # Ensoniq AudioPCI ES137x 322device snd_hda # Intel High Definition Audio 323device snd_ich # Intel, NVidia and other ICH AC'97 Audio 324device snd_via8233 # VIA VT8233x Audio 325 326# MMC/SD 327device mmc # MMC/SD bus 328device mmcsd # MMC/SD memory card 329device sdhci # Generic PCI SD Host Controller 330device rtsx # Realtek SD card reader 331 332# VirtIO support 333device virtio # Generic VirtIO bus (required) 334device virtio_pci # VirtIO PCI device 335device vtnet # VirtIO Ethernet device 336device virtio_blk # VirtIO Block device 337device virtio_scsi # VirtIO SCSI device 338device virtio_balloon # VirtIO Memory Balloon device 339 340# Linux KVM paravirtualization support 341device kvm_clock # KVM paravirtual clock driver 342 343# HyperV drivers and enhancement support 344# NOTE: HYPERV depends on hyperv. They must be added or removed together. 345options HYPERV # Kernel support for HyperV drivers 346device hyperv # HyperV drivers 347 348# Xen HVM Guest Optimizations 349# NOTE: XENHVM and xenpci interdepend. They must be added or removed 350# together. xentimer depends on XENHVM and isn't required. 351options XENHVM # Xen HVM kernel infrastructure 352device xenpci # Xen HVM Hypervisor services driver 353device xentimer # Xen x86 PV timer device 354 355# evdev interface 356options EVDEV_SUPPORT # evdev support in legacy drivers 357device evdev # input event device support 358device uinput # install /dev/uinput cdev 359 360# HID support 361options HID_DEBUG # enable debug msgs 362device hid # Generic HID support 363options IICHID_SAMPLING # Workaround missing GPIO INTR support 364