Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/i386/conf/GENERIC
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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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 21 cpu I486_CPU 22 cpu I586_CPU 23 cpu I686_CPU 24 ident GENERIC 25 26 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 27 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 28 29 options SCHED_ULE # ULE scheduler 30 options PREEMPTION # Enable kernel thread preemption 31 options VIMAGE # Subsystem virtualization, e.g. VNET 32 options INET # InterNETworking 33 options INET6 # IPv6 communications protocols 34 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 35 options ROUTE_MPATH # Multipath routing support 36 options TCP_HHOOK # hhook(9) framework for TCP 37 options TCP_OFFLOAD # TCP offload 38 options SCTP_SUPPORT # Allow kldload of SCTP 39 options FFS # Berkeley Fast Filesystem 40 options SOFTUPDATES # Enable FFS soft updates support 41 options UFS_ACL # Support for access control lists 42 options UFS_DIRHASH # Improve performance on big directories 43 options UFS_GJOURNAL # Enable gjournal-based UFS journaling 44 options QUOTA # Enable disk quotas for UFS 45 options MD_ROOT # MD is a potential root device 46 options NFSCL # Network Filesystem Client 47 options NFSD # Network Filesystem Server 48 options NFSLOCKD # Network Lock Manager 49 options NFS_ROOT # NFS usable as /, requires NFSCL 50 options MSDOSFS # MSDOS Filesystem 51 options CD9660 # ISO 9660 Filesystem 52 options PROCFS # Process filesystem (requires PSEUDOFS) 53 options PSEUDOFS # Pseudo-filesystem framework 54 options TMPFS # Efficient memory filesystem 55 options GEOM_RAID # Soft RAID functionality. 56 options GEOM_LABEL # Provides labelization 57 options COMPAT_FREEBSD4 # Compatible with FreeBSD4 58 options COMPAT_FREEBSD5 # Compatible with FreeBSD5 59 options COMPAT_FREEBSD6 # Compatible with FreeBSD6 60 options COMPAT_FREEBSD7 # Compatible with FreeBSD7 61 options COMPAT_FREEBSD9 # Compatible with FreeBSD9 62 options COMPAT_FREEBSD10 # Compatible with FreeBSD10 63 options COMPAT_FREEBSD11 # Compatible with FreeBSD11 64 options COMPAT_FREEBSD12 # Compatible with FreeBSD12 65 options COMPAT_FREEBSD13 # Compatible with FreeBSD13 66 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 67 options KTRACE # ktrace(1) support 68 options STACK # stack(9) support 69 options SYSVSHM # SYSV-style shared memory 70 options SYSVMSG # SYSV-style message queues 71 options SYSVSEM # SYSV-style semaphores 72 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 73 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 74 options KBD_INSTALL_CDEV # install a CDEV entry in /dev 75 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 76 options AUDIT # Security event auditing 77 options CAPABILITY_MODE # Capsicum capability mode 78 options CAPABILITIES # Capsicum capabilities 79 options MAC # TrustedBSD MAC Framework 80 options KDTRACE_HOOKS # Kernel DTrace hooks 81 options DDB_CTF # Kernel ELF linker loads CTF data 82 options INCLUDE_CONFIG_FILE # Include this file in kernel 83 options RACCT # Resource accounting framework 84 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 85 options RCTL # Resource limits 86 87 # Debugging support. Always need this: 88 options KDB # Enable kernel debugger support. 89 options KDB_TRACE # Print a stack trace for a panic. 90 # For full debugger support use (turn off in stable branch): 91 options DDB # Support DDB. 92 options GDB # Support remote GDB. 93 options DEADLKRES # Enable the deadlock resolver 94 options INVARIANTS # Enable calls of extra sanity checking 95 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 96 options WITNESS # Enable checks to detect deadlocks and cycles 97 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 98 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 99 options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 100 101 # Kernel dump features. 102 options EKCD # Support for encrypted kernel dumps 103 options GZIO # gzip-compressed kernel and user dumps 104 options ZSTDIO # zstd-compressed kernel and user dumps 105 options DEBUGNET # debugnet networking 106 options NETDUMP # netdump(4) client support 107 options NETGDB # netgdb(4) client support 108 109 # To make an SMP kernel, the next two lines are needed 110 options SMP # Symmetric MultiProcessor Kernel 111 device apic # I/O APIC 112 options EARLY_AP_STARTUP 113 114 # CPU frequency control 115 device cpufreq 116 117 # Bus support. 118 device acpi 119 device smbios 120 device pci 121 options PCI_HP # PCI-Express native HotPlug 122 options PCI_IOV # PCI SR-IOV support 123 124 # Floppy drives 125 device fdc 126 127 # ATA controllers 128 device ahci # AHCI-compatible SATA controllers 129 device ata # Legacy ATA/SATA controllers 130 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 131 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 132 133 # SCSI Controllers 134 device ahc # AHA2940 and onboard AIC7xxx devices 135 device hptiop # Highpoint RocketRaid 3xxx series 136 device isp # Qlogic family 137 #device ispfw # Firmware for QLogic HBAs- normally a module 138 device mpt # LSI-Logic MPT-Fusion 139 device mps # LSI-Logic MPT-Fusion 2 140 device mpr # LSI-Logic MPT-Fusion 3 141 device sym # NCR/Symbios Logic 142 device isci # Intel C600 SAS controller 143 device pvscsi # VMware PVSCSI 144 145 # ATA/SCSI peripherals 146 device scbus # SCSI bus (required for ATA/SCSI) 147 device ch # SCSI media changers 148 device da # Direct Access (disks) 149 device sa # Sequential Access (tape etc) 150 device cd # CD 151 device pass # Passthrough device (direct ATA/SCSI access) 152 device ses # Enclosure Services (SES and SAF-TE) 153 #device ctl # CAM Target Layer 154 155 # RAID controllers interfaced to the SCSI subsystem 156 device arcmsr # Areca SATA II RAID 157 device ciss # Compaq Smart RAID 5* 158 device ips # IBM (Adaptec) ServeRAID 159 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 160 161 # RAID controllers 162 device aac # Adaptec FSA RAID 163 device aacp # SCSI passthrough for aac (requires CAM) 164 device aacraid # Adaptec by PMC RAID 165 device ida # Compaq Smart RAID 166 device mfi # LSI MegaRAID SAS 167 device mlx # Mylex DAC960 family 168 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 169 device pmspcv # PMC-Sierra SAS/SATA Controller driver 170 device pst # Promise Supertrak SX6000 171 device twe # 3ware ATA RAID 172 173 # NVM Express (NVMe) support 174 device nvme # base NVMe driver 175 device nvd # expose NVMe namespace as disks, depends on nvme 176 177 # atkbdc0 controls both the keyboard and the PS/2 mouse 178 device atkbdc # AT keyboard controller 179 device atkbd # AT keyboard 180 device psm # PS/2 mouse 181 182 device kbdmux # keyboard multiplexer 183 184 # syscons is the legacy console driver, resembling an SCO console 185 device vga # VGA video card driver 186 device splash # Splash screen and screen saver support 187 device sc 188 options SC_PIXEL_MODE # add support for the raster text mode 189 190 # vt is the default video console driver 191 device vt 192 device vt_vga 193 device vt_vbefb 194 195 device agp # support several AGP chipsets 196 197 # CardBus bridge support 198 device cbb # CardBus (yenta) bridge 199 device cardbus # CardBus (32-bit) bus 200 201 # Serial (COM) ports 202 device uart # Generic UART driver 203 204 # Parallel port 205 device ppc 206 device ppbus # Parallel port bus (required) 207 device lpt # Printer 208 device ppi # Parallel port interface device 209 #device vpo # Requires scbus and da 210 211 device puc # Multi I/O cards and multi-channel UARTs 212 213 # PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 214 device iflib 215 device igc # Intel I225 2.5G Ethernet 216 device em # Intel PRO/1000 Gigabit Ethernet Family 217 device vmx # VMware VMXNET3 Ethernet 218 219 # PCI Ethernet NICs. 220 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 221 device le # AMD Am7900 LANCE and Am79C9xx PCnet 222 device ti # Alteon Networks Tigon I/II gigabit Ethernet 223 224 # PCI Ethernet NICs that use the common MII bus controller code. 225 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 226 device miibus # MII bus support 227 device ae # Attansic/Atheros L2 FastEthernet 228 device age # Attansic/Atheros L1 Gigabit Ethernet 229 device alc # Atheros AR8131/AR8132 Ethernet 230 device ale # Atheros AR8121/AR8113/AR8114 Ethernet 231 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 232 device bfe # Broadcom BCM440x 10/100 Ethernet 233 device bge # Broadcom BCM570xx Gigabit Ethernet 234 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 235 device dc # DEC/Intel 21143 and various workalikes 236 device et # Agere ET1310 10/100/Gigabit Ethernet 237 device fxp # Intel EtherExpress PRO/100B (82557, 82558) 238 device gem # Sun GEM/Sun ERI/Apple GMAC 239 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 240 device lge # Level 1 LXT1001 gigabit Ethernet 241 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 242 device nfe # nVidia nForce MCP on-board Ethernet 243 device nge # NatSemi DP83820 gigabit Ethernet 244 device re # RealTek 8139C+/8169/8169S/8110S 245 device rl # RealTek 8129/8139 246 device sge # Silicon Integrated Systems SiS190/191 247 device sis # Silicon Integrated Systems SiS 900/SiS 7016 248 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 249 device ste # Sundance ST201 (D-Link DFE-550TX) 250 device stge # Sundance/Tamarack TC9021 gigabit Ethernet 251 device vge # VIA VT612x gigabit Ethernet 252 device vr # VIA Rhine, Rhine II 253 device vte # DM&P Vortex86 RDC R6040 Fast Ethernet 254 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 255 256 # Wireless NIC cards 257 device wlan # 802.11 support 258 options IEEE80211_DEBUG # enable debug msgs 259 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 260 device wlan_wep # 802.11 WEP support 261 device wlan_ccmp # 802.11 CCMP support 262 device wlan_tkip # 802.11 TKIP support 263 device wlan_amrr # AMRR transmit rate control algorithm 264 device ath # Atheros NICs 265 device ath_pci # Atheros pci/cardbus glue 266 device ath_hal # pci/cardbus chip support 267 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 268 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 269 device ath_rate_sample # SampleRate tx rate control for ath 270 #device bwi # Broadcom BCM430x/BCM431x wireless NICs. 271 #device bwn # Broadcom BCM43xx wireless NICs. 272 device ipw # Intel 2100 wireless NICs. 273 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 274 device iwn # Intel 4965/1000/5000/6000 wireless NICs. 275 device malo # Marvell Libertas wireless NICs. 276 device mwl # Marvell 88W8363 802.11n wireless NICs. 277 device ral # Ralink Technology RT2500 wireless NICs. 278 device wpi # Intel 3945ABG wireless NICs. 279 280 # Pseudo devices. 281 device crypto # core crypto support 282 device aesni # AES-NI OpenCrypto module 283 device loop # Network loopback 284 device padlock_rng # VIA Padlock RNG 285 device rdrand_rng # Intel Bull Mountain RNG 286 device ether # Ethernet support 287 device vlan # 802.1Q VLAN support 288 device tuntap # Packet tunnel. 289 device md # Memory "disks" 290 device gif # IPv6 and IPv4 tunneling 291 device firmware # firmware assist module 292 293 # The `bpf' device enables the Berkeley Packet Filter. 294 # Be aware of the administrative consequences of enabling this! 295 # Note that 'bpf' is required for DHCP. 296 device bpf # Berkeley packet filter 297 298 # USB support 299 options USB_DEBUG # enable debug msgs 300 device uhci # UHCI PCI->USB interface 301 device ohci # OHCI PCI->USB interface 302 device ehci # EHCI PCI->USB interface (USB 2.0) 303 device xhci # XHCI PCI->USB interface (USB 3.0) 304 device usb # USB Bus (required) 305 device ukbd # Keyboard 306 device umass # Disks/Mass storage - Requires scbus and da 307 308 # Sound support 309 device sound # Generic sound driver (required) 310 device snd_cmi # CMedia CMI8338/CMI8738 311 device snd_csa # Crystal Semiconductor CS461x/428x 312 device snd_emu10kx # Creative SoundBlaster Live! and Audigy 313 device snd_es137x # Ensoniq AudioPCI ES137x 314 device snd_hda # Intel High Definition Audio 315 device snd_ich # Intel, NVidia and other ICH AC'97 Audio 316 device snd_via8233 # VIA VT8233x Audio 317 318 # MMC/SD 319 device mmc # MMC/SD bus 320 device mmcsd # MMC/SD memory card 321 device sdhci # Generic PCI SD Host Controller 322 device rtsx # Realtek SD card reader 323 324 # VirtIO support 325 device virtio # Generic VirtIO bus (required) 326 device virtio_pci # VirtIO PCI device 327 device vtnet # VirtIO Ethernet device 328 device virtio_blk # VirtIO Block device 329 device virtio_scsi # VirtIO SCSI device 330 device virtio_balloon # VirtIO Memory Balloon device 331 332 # Linux KVM paravirtualization support 333 device kvm_clock # KVM paravirtual clock driver 334 335 # HyperV drivers and enhancement support 336 # NOTE: HYPERV depends on hyperv. They must be added or removed together. 337 options HYPERV # Kernel support for HyperV drivers 338 device hyperv # HyperV drivers 339 340 # Xen HVM Guest Optimizations 341 # NOTE: XENHVM and xenpci interdepend. They must be added or removed 342 # together. xentimer depends on XENHVM and isn't required. 343 options XENHVM # Xen HVM kernel infrastructure 344 device xenpci # Xen HVM Hypervisor services driver 345 device xentimer # Xen x86 PV timer device 346 347 # evdev interface 348 options EVDEV_SUPPORT # evdev support in legacy drivers 349 device evdev # input event device support 350 device uinput # install /dev/uinput cdev 351 352 # HID support 353 options HID_DEBUG # enable debug msgs 354 device hid # Generic HID support 355 options IICHID_SAMPLING # Workaround missing GPIO INTR support
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