2 # GENERIC -- Generic kernel configuration file for FreeBSD/amd64
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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 (http://www.FreeBSD.org/) for the
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
24 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
25 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
27 options SCHED_ULE # ULE scheduler
28 options PREEMPTION # Enable kernel thread preemption
29 options INET # InterNETworking
30 options INET6 # IPv6 communications protocols
31 options TCP_OFFLOAD # TCP offload
32 options SCTP # Stream Control Transmission Protocol
33 options FFS # Berkeley Fast Filesystem
34 options SOFTUPDATES # Enable FFS soft updates support
35 options UFS_ACL # Support for access control lists
36 options UFS_DIRHASH # Improve performance on big directories
37 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
38 options QUOTA # Enable disk quotas for UFS
39 options MD_ROOT # MD is a potential root device
40 options NFSCL # New Network Filesystem Client
41 options NFSD # New Network Filesystem Server
42 options NFSLOCKD # Network Lock Manager
43 options NFS_ROOT # NFS usable as /, requires NFSCL
44 options MSDOSFS # MSDOS Filesystem
45 options CD9660 # ISO 9660 Filesystem
46 options PROCFS # Process filesystem (requires PSEUDOFS)
47 options PSEUDOFS # Pseudo-filesystem framework
48 options GEOM_PART_GPT # GUID Partition Tables.
49 options GEOM_RAID # Soft RAID functionality.
50 options GEOM_LABEL # Provides labelization
51 options COMPAT_FREEBSD32 # Compatible with i386 binaries
52 options COMPAT_FREEBSD4 # Compatible with FreeBSD4
53 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
54 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
55 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
56 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
57 options KTRACE # ktrace(1) support
58 options STACK # stack(9) support
59 options SYSVSHM # SYSV-style shared memory
60 options SYSVMSG # SYSV-style message queues
61 options SYSVSEM # SYSV-style semaphores
62 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
63 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
64 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
65 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
66 options AUDIT # Security event auditing
67 options CAPABILITY_MODE # Capsicum capability mode
68 options CAPABILITIES # Capsicum capabilities
69 options PROCDESC # Support for process descriptors
70 options MAC # TrustedBSD MAC Framework
71 options KDTRACE_FRAME # Ensure frames are compiled in
72 options KDTRACE_HOOKS # Kernel DTrace hooks
73 options DDB_CTF # Kernel ELF linker loads CTF data
74 options INCLUDE_CONFIG_FILE # Include this file in kernel
75 options RACCT # Resource accounting framework
76 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
77 options RCTL # Resource limits
79 # Debugging support. Always need this:
80 options KDB # Enable kernel debugger support.
81 options KDB_TRACE # Print a stack trace for a panic.
83 # Make an SMP-capable kernel by default
84 options SMP # Symmetric MultiProcessor Kernel
86 # CPU frequency control
98 device ahci # AHCI-compatible SATA controllers
99 device ata # Legacy ATA/SATA controllers
100 options ATA_STATIC_ID # Static device numbering
101 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
102 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
105 device ahc # AHA2940 and onboard AIC7xxx devices
106 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
107 # output. Adds ~128k to driver.
108 device ahd # AHA39320/29320 and onboard AIC79xx devices
109 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
110 # output. Adds ~215k to driver.
111 device esp # AMD Am53C974 (Tekram DC-390(T))
112 device hptiop # Highpoint RocketRaid 3xxx series
113 device isp # Qlogic family
114 #device ispfw # Firmware for QLogic HBAs- normally a module
115 device mpt # LSI-Logic MPT-Fusion
116 device mps # LSI-Logic MPT-Fusion 2
117 device mpr # LSI-Logic MPT-Fusion 3
118 #device ncr # NCR/Symbios Logic
119 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
120 device trm # Tekram DC395U/UW/F DC315U adapters
122 device adv # Advansys SCSI adapters
123 device adw # Advansys wide SCSI adapters
124 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
125 device bt # Buslogic/Mylex MultiMaster SCSI adapters
126 device isci # Intel C600 SAS controller
128 # ATA/SCSI peripherals
129 device scbus # SCSI bus (required for ATA/SCSI)
130 device ch # SCSI media changers
131 device da # Direct Access (disks)
132 device sa # Sequential Access (tape etc)
134 device pass # Passthrough device (direct ATA/SCSI access)
135 device ses # Enclosure Services (SES and SAF-TE)
136 #device ctl # CAM Target Layer
138 # RAID controllers interfaced to the SCSI subsystem
139 device amr # AMI MegaRAID
140 device arcmsr # Areca SATA II RAID
141 #XXX it is not 64-bit clean, -scottl
142 #device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
143 device ciss # Compaq Smart RAID 5*
144 device dpt # DPT Smartcache III, IV - See NOTES for options
145 device hptmv # Highpoint RocketRAID 182x
146 device hptnr # Highpoint DC7280, R750
147 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
148 device hpt27xx # Highpoint RocketRAID 27xx
149 device iir # Intel Integrated RAID
150 device ips # IBM (Adaptec) ServeRAID
151 device mly # Mylex AcceleRAID/eXtremeRAID
152 device twa # 3ware 9000 series PATA/SATA RAID
153 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
156 device aac # Adaptec FSA RAID
157 device aacp # SCSI passthrough for aac (requires CAM)
158 device aacraid # Adaptec by PMC RAID
159 device ida # Compaq Smart RAID
160 device mfi # LSI MegaRAID SAS
161 device mlx # Mylex DAC960 family
162 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
163 #XXX PCI ID conflicts with ahd(4) and mvs(4)
164 #device pmspcv # PMC-Sierra SAS/SATA Controller driver
165 #XXX pointer/int warnings
166 #device pst # Promise Supertrak SX6000
167 device twe # 3ware ATA RAID
169 # NVM Express (NVMe) support
170 device nvme # base NVMe driver
171 device nvd # expose NVMe namespaces as disks, depends on nvme
173 # atkbdc0 controls both the keyboard and the PS/2 mouse
174 device atkbdc # AT keyboard controller
175 device atkbd # AT keyboard
176 device psm # PS/2 mouse
178 device kbdmux # keyboard multiplexer
180 device vga # VGA video card driver
181 options VESA # Add support for VESA BIOS Extensions (VBE)
183 device splash # Splash screen and screen saver support
185 # syscons is the default console driver, resembling an SCO console
187 options SC_PIXEL_MODE # add support for the raster text mode
189 # vt is the new video console driver
194 device agp # support several AGP chipsets
196 # PCCARD (PCMCIA) support
197 # PCMCIA and cardbus bridge support
198 device cbb # cardbus (yenta) bridge
199 device pccard # PC Card (16-bit) bus
200 device cardbus # CardBus (32-bit) bus
203 device uart # Generic UART driver
207 device ppbus # Parallel port bus (required)
209 device ppi # Parallel port interface device
210 #device vpo # Requires scbus and da
212 device puc # Multi I/O cards and multi-channel UARTs
215 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
216 device de # DEC/Intel DC21x4x (``Tulip'')
217 device em # Intel PRO/1000 Gigabit Ethernet Family
218 device igb # Intel PRO/1000 PCIE Server Gigabit Family
219 device ix # Intel PRO/10GbE PCIE PF Ethernet
220 device ixv # Intel PRO/10GbE PCIE VF Ethernet
221 device ixl # Intel XL710 40Gbe PCIE Ethernet
222 device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
223 device le # AMD Am7900 LANCE and Am79C9xx PCnet
224 device ti # Alteon Networks Tigon I/II gigabit Ethernet
225 device txp # 3Com 3cR990 (``Typhoon'')
226 device vx # 3Com 3c590, 3c595 (``Vortex'')
228 # PCI Ethernet NICs that use the common MII bus controller code.
229 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
230 device miibus # MII bus support
231 device ae # Attansic/Atheros L2 FastEthernet
232 device age # Attansic/Atheros L1 Gigabit Ethernet
233 device alc # Atheros AR8131/AR8132 Ethernet
234 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
235 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
236 device bfe # Broadcom BCM440x 10/100 Ethernet
237 device bge # Broadcom BCM570xx Gigabit Ethernet
238 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
239 device dc # DEC/Intel 21143 and various workalikes
240 device et # Agere ET1310 10/100/Gigabit Ethernet
241 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
242 device gem # Sun GEM/Sun ERI/Apple GMAC
243 device hme # Sun HME (Happy Meal Ethernet)
244 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
245 device lge # Level 1 LXT1001 gigabit Ethernet
246 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
247 device nfe # nVidia nForce MCP on-board Ethernet
248 device nge # NatSemi DP83820 gigabit Ethernet
249 #device nve # nVidia nForce MCP on-board Ethernet Networking
250 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
251 device re # RealTek 8139C+/8169/8169S/8110S
252 device rl # RealTek 8129/8139
253 device sf # Adaptec AIC-6915 (``Starfire'')
254 device sge # Silicon Integrated Systems SiS190/191
255 device sis # Silicon Integrated Systems SiS 900/SiS 7016
256 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
257 device ste # Sundance ST201 (D-Link DFE-550TX)
258 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
259 device tl # Texas Instruments ThunderLAN
260 device tx # SMC EtherPower II (83c170 ``EPIC'')
261 device vge # VIA VT612x gigabit Ethernet
262 device vr # VIA Rhine, Rhine II
263 device wb # Winbond W89C840F
264 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
266 # ISA Ethernet NICs. pccard NICs included.
267 device cs # Crystal Semiconductor CS89x0 NIC
268 # 'device ed' requires 'device miibus'
269 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
270 device ex # Intel EtherExpress Pro/10 and Pro/10+
271 device ep # Etherlink III based cards
272 device fe # Fujitsu MB8696x based cards
273 device sn # SMC's 9000 series of Ethernet chips
274 device xe # Xircom pccard Ethernet
277 device wlan # 802.11 support
278 options IEEE80211_DEBUG # enable debug msgs
279 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
280 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
281 device wlan_wep # 802.11 WEP support
282 device wlan_ccmp # 802.11 CCMP support
283 device wlan_tkip # 802.11 TKIP support
284 device wlan_amrr # AMRR transmit rate control algorithm
285 device an # Aironet 4500/4800 802.11 wireless NICs.
286 device ath # Atheros NICs
287 device ath_pci # Atheros pci/cardbus glue
288 device ath_hal # pci/cardbus chip support
289 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
290 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
291 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
292 device ath_rate_sample # SampleRate tx rate control for ath
293 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
294 #device bwn # Broadcom BCM43xx wireless NICs.
295 device ipw # Intel 2100 wireless NICs.
296 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
297 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
298 device malo # Marvell Libertas wireless NICs.
299 device mwl # Marvell 88W8363 802.11n wireless NICs.
300 device ral # Ralink Technology RT2500 wireless NICs.
301 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
302 device wpi # Intel 3945ABG wireless NICs.
305 device loop # Network loopback
306 device random # Entropy device
307 device padlock_rng # VIA Padlock RNG
308 device rdrand_rng # Intel Bull Mountain RNG
309 device ether # Ethernet support
310 device vlan # 802.1Q VLAN support
311 device tun # Packet tunnel.
312 device md # Memory "disks"
313 device gif # IPv6 and IPv4 tunneling
314 device faith # IPv6-to-IPv4 relaying (translation)
315 device firmware # firmware assist module
317 # The `bpf' device enables the Berkeley Packet Filter.
318 # Be aware of the administrative consequences of enabling this!
319 # Note that 'bpf' is required for DHCP.
320 device bpf # Berkeley packet filter
323 options USB_DEBUG # enable debug msgs
324 device uhci # UHCI PCI->USB interface
325 device ohci # OHCI PCI->USB interface
326 device ehci # EHCI PCI->USB interface (USB 2.0)
327 device xhci # XHCI PCI->USB interface (USB 3.0)
328 device usb # USB Bus (required)
329 device ukbd # Keyboard
330 device umass # Disks/Mass storage - Requires scbus and da
333 device sound # Generic sound driver (required)
334 device snd_cmi # CMedia CMI8338/CMI8738
335 device snd_csa # Crystal Semiconductor CS461x/428x
336 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
337 device snd_es137x # Ensoniq AudioPCI ES137x
338 device snd_hda # Intel High Definition Audio
339 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
340 device snd_via8233 # VIA VT8233x Audio
343 device mmc # MMC/SD bus
344 device mmcsd # MMC/SD memory card
345 device sdhci # Generic PCI SD Host Controller
348 device virtio # Generic VirtIO bus (required)
349 device virtio_pci # VirtIO PCI device
350 device vtnet # VirtIO Ethernet device
351 device virtio_blk # VirtIO Block device
352 device virtio_scsi # VirtIO SCSI device
353 device virtio_balloon # VirtIO Memory Balloon device
355 # HyperV drivers and enchancement support
356 options HYPERV # Hyper-V kernel infrastructure
357 device hyperv # HyperV drivers
359 # Xen HVM Guest Optimizations
360 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
361 options XENHVM # Xen HVM kernel infrastructure
362 device xenpci # Xen HVM Hypervisor services driver
365 device vmx # VMware VMXNET3 Ethernet