Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/conf/GENERIC
Version:
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1 # 2 # GENERIC -- Generic kernel configuration file for FreeBSD/amd64 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 HAMMER 22 ident GENERIC 23 24 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 25 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 26 27 options SCHED_ULE # ULE scheduler 28 options NUMA # Non-Uniform Memory Architecture support 29 options PREEMPTION # Enable kernel thread preemption 30 options VIMAGE # Subsystem virtualization, e.g. VNET 31 options INET # InterNETworking 32 options INET6 # IPv6 communications protocols 33 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 34 options NETLINK # netlink(4) support 35 options ROUTE_MPATH # Multipath routing support 36 options FIB_ALGO # Modular fib lookups 37 options TCP_OFFLOAD # TCP offload 38 options TCP_BLACKBOX # Enhanced TCP event logging 39 options TCP_HHOOK # hhook(9) framework for TCP 40 options TCP_RFC7413 # TCP Fast Open 41 options SCTP_SUPPORT # Allow kldload of SCTP 42 options KERN_TLS # TLS transmit & receive offload 43 options FFS # Berkeley Fast Filesystem 44 options SOFTUPDATES # Enable FFS soft updates support 45 options UFS_ACL # Support for access control lists 46 options UFS_DIRHASH # Improve performance on big directories 47 options UFS_GJOURNAL # Enable gjournal-based UFS journaling 48 options QUOTA # Enable disk quotas for UFS 49 options MD_ROOT # MD is a potential root device 50 options NFSCL # Network Filesystem Client 51 options NFSD # Network Filesystem Server 52 options NFSLOCKD # Network Lock Manager 53 options NFS_ROOT # NFS usable as /, requires NFSCL 54 options MSDOSFS # MSDOS Filesystem 55 options CD9660 # ISO 9660 Filesystem 56 options PROCFS # Process filesystem (requires PSEUDOFS) 57 options PSEUDOFS # Pseudo-filesystem framework 58 options TMPFS # Efficient memory filesystem 59 options GEOM_RAID # Soft RAID functionality. 60 options GEOM_LABEL # Provides labelization 61 options EFIRT # EFI Runtime Services support 62 options COMPAT_FREEBSD32 # Compatible with i386 binaries 63 options COMPAT_FREEBSD4 # Compatible with FreeBSD4 64 options COMPAT_FREEBSD5 # Compatible with FreeBSD5 65 options COMPAT_FREEBSD6 # Compatible with FreeBSD6 66 options COMPAT_FREEBSD7 # Compatible with FreeBSD7 67 options COMPAT_FREEBSD9 # Compatible with FreeBSD9 68 options COMPAT_FREEBSD10 # Compatible with FreeBSD10 69 options COMPAT_FREEBSD11 # Compatible with FreeBSD11 70 options COMPAT_FREEBSD12 # Compatible with FreeBSD12 71 options COMPAT_FREEBSD13 # Compatible with FreeBSD13 72 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 73 options KTRACE # ktrace(1) support 74 options STACK # stack(9) support 75 options SYSVSHM # SYSV-style shared memory 76 options SYSVMSG # SYSV-style message queues 77 options SYSVSEM # SYSV-style semaphores 78 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 79 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 80 options KBD_INSTALL_CDEV # install a CDEV entry in /dev 81 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 82 options AUDIT # Security event auditing 83 options CAPABILITY_MODE # Capsicum capability mode 84 options CAPABILITIES # Capsicum capabilities 85 options MAC # TrustedBSD MAC Framework 86 options KDTRACE_FRAME # Ensure frames are compiled in 87 options KDTRACE_HOOKS # Kernel DTrace hooks 88 options DDB_CTF # Kernel ELF linker loads CTF data 89 options INCLUDE_CONFIG_FILE # Include this file in kernel 90 options RACCT # Resource accounting framework 91 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 92 options RCTL # Resource limits 93 94 # Debugging support. Always need this: 95 options KDB # Enable kernel debugger support. 96 options KDB_TRACE # Print a stack trace for a panic. 97 # For full debugger support use (turn off in stable branch): 98 options BUF_TRACKING # Track buffer history 99 options DDB # Support DDB. 100 options FULL_BUF_TRACKING # Track more buffer history 101 options GDB # Support remote GDB. 102 options DEADLKRES # Enable the deadlock resolver 103 options INVARIANTS # Enable calls of extra sanity checking 104 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 105 options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation 106 options WITNESS # Enable checks to detect deadlocks and cycles 107 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 108 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 109 options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 110 111 # Kernel Sanitizers 112 #options COVERAGE # Generic kernel coverage. Used by KCOV 113 #options KCOV # Kernel Coverage Sanitizer 114 # Warning: KUBSAN can result in a kernel too large for loader to load 115 #options KUBSAN # Kernel Undefined Behavior Sanitizer 116 #options KCSAN # Kernel Concurrency Sanitizer 117 118 # Kernel dump features. 119 options EKCD # Support for encrypted kernel dumps 120 options GZIO # gzip-compressed kernel and user dumps 121 options ZSTDIO # zstd-compressed kernel and user dumps 122 options DEBUGNET # debugnet networking 123 options NETDUMP # netdump(4) client support 124 options NETGDB # netgdb(4) client support 125 126 # Make an SMP-capable kernel by default 127 options SMP # Symmetric MultiProcessor Kernel 128 options EARLY_AP_STARTUP 129 130 # CPU frequency control 131 device cpufreq 132 133 # Bus support. 134 device acpi 135 device smbios 136 options IOMMU 137 device pci 138 options PCI_HP # PCI-Express native HotPlug 139 options PCI_IOV # PCI SR-IOV support 140 141 options COMPAT_LINUXKPI 142 143 # Enable support for the kernel PLL to use an external PPS signal, 144 # under supervision of [x]ntpd(8) 145 # More info in ntpd documentation: http://www.eecis.udel.edu/~ntp 146 147 options PPS_SYNC 148 149 # Floppy drives 150 device fdc 151 152 # ATA controllers 153 device ahci # AHCI-compatible SATA controllers 154 device ata # Legacy ATA/SATA controllers 155 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA 156 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA 157 158 # SCSI Controllers 159 device ahc # AHA2940 and onboard AIC7xxx devices 160 device ahd # AHA39320/29320 and onboard AIC79xx devices 161 device hptiop # Highpoint RocketRaid 3xxx series 162 device isp # Qlogic family 163 #device ispfw # Firmware for QLogic HBAs- normally a module 164 device mpt # LSI-Logic MPT-Fusion 165 device mps # LSI-Logic MPT-Fusion 2 166 device mpr # LSI-Logic MPT-Fusion 3 167 device sym # NCR/Symbios Logic 168 device isci # Intel C600 SAS controller 169 device ocs_fc # Emulex FC adapters 170 device pvscsi # VMware PVSCSI 171 172 # ATA/SCSI peripherals 173 device scbus # SCSI bus (required for ATA/SCSI) 174 device ch # SCSI media changers 175 device da # Direct Access (disks) 176 device sa # Sequential Access (tape etc) 177 device cd # CD 178 device pass # Passthrough device (direct ATA/SCSI access) 179 device ses # Enclosure Services (SES and SAF-TE) 180 #device ctl # CAM Target Layer 181 182 # RAID controllers interfaced to the SCSI subsystem 183 device arcmsr # Areca SATA II RAID 184 device ciss # Compaq Smart RAID 5* 185 device ips # IBM (Adaptec) ServeRAID 186 device smartpqi # Microsemi smartpqi driver 187 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller 188 189 # RAID controllers 190 device aac # Adaptec FSA RAID 191 device aacp # SCSI passthrough for aac (requires CAM) 192 device aacraid # Adaptec by PMC RAID 193 device ida # Compaq Smart RAID 194 device mfi # LSI MegaRAID SAS 195 device mlx # Mylex DAC960 family 196 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s 197 device pmspcv # PMC-Sierra SAS/SATA Controller driver 198 #XXX pointer/int warnings 199 #device pst # Promise Supertrak SX6000 200 device twe # 3ware ATA RAID 201 202 # NVM Express (NVMe) support 203 device nvme # base NVMe driver 204 device nvd # expose NVMe namespaces as disks, depends on nvme 205 206 # Intel Volume Management Device (VMD) support 207 device vmd 208 209 # atkbdc0 controls both the keyboard and the PS/2 mouse 210 device atkbdc # AT keyboard controller 211 device atkbd # AT keyboard 212 device psm # PS/2 mouse 213 214 device kbdmux # keyboard multiplexer 215 216 # syscons is the legacy console driver, resembling an SCO console 217 device vga # VGA video card driver 218 device splash # Splash screen and screen saver support 219 device sc 220 options SC_PIXEL_MODE # add support for the raster text mode 221 222 # vt is the default video console driver 223 device vt 224 device vt_vga 225 device vt_efifb 226 device vt_vbefb 227 228 device agp # support several AGP chipsets 229 230 # CardBus bridge support 231 device cbb # CardBus (yenta) bridge 232 device cardbus # CardBus (32-bit) bus 233 234 # Serial (COM) ports 235 device uart # Generic UART driver 236 237 # Parallel port 238 device ppc 239 device ppbus # Parallel port bus (required) 240 device lpt # Printer 241 device ppi # Parallel port interface device 242 #device vpo # Requires scbus and da 243 244 device puc # Multi I/O cards and multi-channel UARTs 245 246 # PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure 247 device iflib 248 device em # Intel PRO/1000 Gigabit Ethernet Family 249 device igc # Intel I225 2.5G Ethernet 250 device ix # Intel PRO/10GbE PCIE PF Ethernet 251 device ixv # Intel PRO/10GbE PCIE VF Ethernet 252 device ixl # Intel 700 Series Physical Function 253 device iavf # Intel Adaptive Virtual Function 254 device ice # Intel 800 Series Physical Function 255 device vmx # VMware VMXNET3 Ethernet 256 device axp # AMD EPYC integrated NIC (requires miibus) 257 258 # PCI Ethernet NICs. 259 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 260 device le # AMD Am7900 LANCE and Am79C9xx PCnet 261 device ti # Alteon Networks Tigon I/II gigabit Ethernet 262 263 # Nvidia/Mellanox Connect-X 4 and later, Ethernet only 264 # o requires COMPAT_LINUXKPI and xz(4) 265 # o mlx5ib requires ibcore infra and is not included by default 266 device mlx5 # Base driver 267 device mlxfw # Firmware update 268 device mlx5en # Ethernet driver 269 270 # PCI Ethernet NICs that use the common MII bus controller code. 271 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs! 272 device miibus # MII bus support 273 device ae # Attansic/Atheros L2 FastEthernet 274 device age # Attansic/Atheros L1 Gigabit Ethernet 275 device alc # Atheros AR8131/AR8132 Ethernet 276 device ale # Atheros AR8121/AR8113/AR8114 Ethernet 277 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet 278 device bfe # Broadcom BCM440x 10/100 Ethernet 279 device bge # Broadcom BCM570xx Gigabit Ethernet 280 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn 281 device dc # DEC/Intel 21143 and various workalikes 282 device et # Agere ET1310 10/100/Gigabit Ethernet 283 device fxp # Intel EtherExpress PRO/100B (82557, 82558) 284 device gem # Sun GEM/Sun ERI/Apple GMAC 285 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet 286 device lge # Level 1 LXT1001 gigabit Ethernet 287 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet 288 device nfe # nVidia nForce MCP on-board Ethernet 289 device nge # NatSemi DP83820 gigabit Ethernet 290 device re # RealTek 8139C+/8169/8169S/8110S 291 device rl # RealTek 8129/8139 292 device sge # Silicon Integrated Systems SiS190/191 293 device sis # Silicon Integrated Systems SiS 900/SiS 7016 294 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet 295 device ste # Sundance ST201 (D-Link DFE-550TX) 296 device stge # Sundance/Tamarack TC9021 gigabit Ethernet 297 device vge # VIA VT612x gigabit Ethernet 298 device vr # VIA Rhine, Rhine II 299 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'') 300 301 # Wireless NIC cards 302 device wlan # 802.11 support 303 options IEEE80211_DEBUG # enable debug msgs 304 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support 305 device wlan_wep # 802.11 WEP support 306 device wlan_ccmp # 802.11 CCMP support 307 device wlan_tkip # 802.11 TKIP support 308 device wlan_amrr # AMRR transmit rate control algorithm 309 device ath # Atheros NICs 310 device ath_pci # Atheros pci/cardbus glue 311 device ath_hal # pci/cardbus chip support 312 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation 313 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later 314 device ath_rate_sample # SampleRate tx rate control for ath 315 #device bwi # Broadcom BCM430x/BCM431x wireless NICs. 316 #device bwn # Broadcom BCM43xx wireless NICs. 317 device ipw # Intel 2100 wireless NICs. 318 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 319 device iwn # Intel 4965/1000/5000/6000 wireless NICs. 320 device malo # Marvell Libertas wireless NICs. 321 device mwl # Marvell 88W8363 802.11n wireless NICs. 322 device ral # Ralink Technology RT2500 wireless NICs. 323 device wpi # Intel 3945ABG wireless NICs. 324 325 # Pseudo devices. 326 device crypto # core crypto support 327 device aesni # AES-NI OpenCrypto module 328 device loop # Network loopback 329 device padlock_rng # VIA Padlock RNG 330 device rdrand_rng # Intel Bull Mountain RNG 331 device ether # Ethernet support 332 device vlan # 802.1Q VLAN support 333 device tuntap # Packet tunnel. 334 device md # Memory "disks" 335 device gif # IPv6 and IPv4 tunneling 336 device firmware # firmware assist module 337 device xz # lzma decompression 338 339 # The `bpf' device enables the Berkeley Packet Filter. 340 # Be aware of the administrative consequences of enabling this! 341 # Note that 'bpf' is required for DHCP. 342 device bpf # Berkeley packet filter 343 344 # USB support 345 options USB_DEBUG # enable debug msgs 346 device uhci # UHCI PCI->USB interface 347 device ohci # OHCI PCI->USB interface 348 device ehci # EHCI PCI->USB interface (USB 2.0) 349 device xhci # XHCI PCI->USB interface (USB 3.0) 350 device usb # USB Bus (required) 351 device ukbd # Keyboard 352 device umass # Disks/Mass storage - Requires scbus and da 353 354 # Sound support 355 device sound # Generic sound driver (required) 356 device snd_cmi # CMedia CMI8338/CMI8738 357 device snd_csa # Crystal Semiconductor CS461x/428x 358 device snd_emu10kx # Creative SoundBlaster Live! and Audigy 359 device snd_es137x # Ensoniq AudioPCI ES137x 360 device snd_hda # Intel High Definition Audio 361 device snd_ich # Intel, NVidia and other ICH AC'97 Audio 362 device snd_via8233 # VIA VT8233x Audio 363 364 # MMC/SD 365 device mmc # MMC/SD bus 366 device mmcsd # MMC/SD memory card 367 device sdhci # Generic PCI SD Host Controller 368 device rtsx # Realtek SD card reader 369 370 # VirtIO support 371 device virtio # Generic VirtIO bus (required) 372 device virtio_pci # VirtIO PCI device 373 device vtnet # VirtIO Ethernet device 374 device virtio_blk # VirtIO Block device 375 device virtio_scsi # VirtIO SCSI device 376 device virtio_balloon # VirtIO Memory Balloon device 377 378 # Linux KVM paravirtualization support 379 device kvm_clock # KVM paravirtual clock driver 380 381 # HyperV drivers and enhancement support 382 device hyperv # HyperV drivers 383 384 # Xen HVM Guest Optimizations 385 # NOTE: XENHVM depends on xenpci and xentimer. 386 # They must be added or removed together. 387 options XENHVM # Xen HVM kernel infrastructure 388 device xenpci # Xen HVM Hypervisor services driver 389 device xentimer # Xen x86 PV timer device 390 391 # Netmap provides direct access to TX/RX rings on supported NICs 392 device netmap # netmap(4) support 393 394 # evdev interface 395 options EVDEV_SUPPORT # evdev support in legacy drivers 396 device evdev # input event device support 397 device uinput # install /dev/uinput cdev 398 399 # HID support 400 options HID_DEBUG # enable debug msgs 401 device hid # Generic HID support 402 options IICHID_SAMPLING # Workaround missing GPIO INTR support
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