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 IPSEC # IP (v4/v6) security
32 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
33 options TCP_OFFLOAD # TCP offload
34 options SCTP # Stream Control Transmission Protocol
35 options FFS # Berkeley Fast Filesystem
36 options SOFTUPDATES # Enable FFS soft updates support
37 options UFS_ACL # Support for access control lists
38 options UFS_DIRHASH # Improve performance on big directories
39 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
40 options QUOTA # Enable disk quotas for UFS
41 options MD_ROOT # MD is a potential root device
42 options NFSCL # Network Filesystem Client
43 options NFSD # Network Filesystem Server
44 options NFSLOCKD # Network Lock Manager
45 options NFS_ROOT # NFS usable as /, requires NFSCL
46 options MSDOSFS # MSDOS Filesystem
47 options CD9660 # ISO 9660 Filesystem
48 options PROCFS # Process filesystem (requires PSEUDOFS)
49 options PSEUDOFS # Pseudo-filesystem framework
50 options GEOM_PART_GPT # GUID Partition Tables.
51 options GEOM_RAID # Soft RAID functionality.
52 options GEOM_LABEL # Provides labelization
53 options COMPAT_FREEBSD32 # Compatible with i386 binaries
54 options COMPAT_FREEBSD4 # Compatible with FreeBSD4
55 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
56 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
57 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
58 options COMPAT_FREEBSD9 # Compatible with FreeBSD9
59 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
60 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
61 options KTRACE # ktrace(1) support
62 options STACK # stack(9) support
63 options SYSVSHM # SYSV-style shared memory
64 options SYSVMSG # SYSV-style message queues
65 options SYSVSEM # SYSV-style semaphores
66 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
67 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
68 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
69 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
70 options AUDIT # Security event auditing
71 options CAPABILITY_MODE # Capsicum capability mode
72 options CAPABILITIES # Capsicum capabilities
73 options MAC # TrustedBSD MAC Framework
74 options KDTRACE_FRAME # Ensure frames are compiled in
75 options KDTRACE_HOOKS # Kernel DTrace hooks
76 options DDB_CTF # Kernel ELF linker loads CTF data
77 options INCLUDE_CONFIG_FILE # Include this file in kernel
78 options RACCT # Resource accounting framework
79 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
80 options RCTL # Resource limits
82 # Debugging support. Always need this:
83 options KDB # Enable kernel debugger support.
84 options KDB_TRACE # Print a stack trace for a panic.
86 # Make an SMP-capable kernel by default
87 options SMP # Symmetric MultiProcessor Kernel
88 options DEVICE_NUMA # I/O Device Affinity
89 options EARLY_AP_STARTUP
91 # CPU frequency control
98 options PCI_HP # PCI-Express native HotPlug
99 options PCI_IOV # PCI SR-IOV support
105 device ahci # AHCI-compatible SATA controllers
106 device ata # Legacy ATA/SATA controllers
107 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
108 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
111 device ahc # AHA2940 and onboard AIC7xxx devices
112 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
113 # output. Adds ~128k to driver.
114 device ahd # AHA39320/29320 and onboard AIC79xx devices
115 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
116 # output. Adds ~215k to driver.
117 device esp # AMD Am53C974 (Tekram DC-390(T))
118 device hptiop # Highpoint RocketRaid 3xxx series
119 device isp # Qlogic family
120 #device ispfw # Firmware for QLogic HBAs- normally a module
121 device mpt # LSI-Logic MPT-Fusion
122 device mps # LSI-Logic MPT-Fusion 2
123 device mpr # LSI-Logic MPT-Fusion 3
124 #device ncr # NCR/Symbios Logic
125 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
126 device trm # Tekram DC395U/UW/F DC315U adapters
128 device adv # Advansys SCSI adapters
129 device adw # Advansys wide SCSI adapters
130 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
131 device bt # Buslogic/Mylex MultiMaster SCSI adapters
132 device isci # Intel C600 SAS controller
133 device ocs_fc # Emulex FC adapters
135 # ATA/SCSI peripherals
136 device scbus # SCSI bus (required for ATA/SCSI)
137 device ch # SCSI media changers
138 device da # Direct Access (disks)
139 device sa # Sequential Access (tape etc)
141 device pass # Passthrough device (direct ATA/SCSI access)
142 device ses # Enclosure Services (SES and SAF-TE)
143 #device ctl # CAM Target Layer
145 # RAID controllers interfaced to the SCSI subsystem
146 device amr # AMI MegaRAID
147 device arcmsr # Areca SATA II RAID
148 device ciss # Compaq Smart RAID 5*
149 device dpt # DPT Smartcache III, IV - See NOTES for options
150 device hptmv # Highpoint RocketRAID 182x
151 device hptnr # Highpoint DC7280, R750
152 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
153 device hpt27xx # Highpoint RocketRAID 27xx
154 device iir # Intel Integrated RAID
155 device ips # IBM (Adaptec) ServeRAID
156 device mly # Mylex AcceleRAID/eXtremeRAID
157 device twa # 3ware 9000 series PATA/SATA RAID
158 device smartpqi # Microsemi smartpqi driver
159 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
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 #XXX pointer/int warnings
171 #device pst # Promise Supertrak SX6000
172 device twe # 3ware ATA RAID
174 # NVM Express (NVMe) support
175 device nvme # base NVMe driver
176 device nvd # expose NVMe namespaces as disks, depends on nvme
178 # atkbdc0 controls both the keyboard and the PS/2 mouse
179 device atkbdc # AT keyboard controller
180 device atkbd # AT keyboard
181 device psm # PS/2 mouse
183 device kbdmux # keyboard multiplexer
185 device vga # VGA video card driver
186 options VESA # Add support for VESA BIOS Extensions (VBE)
188 device splash # Splash screen and screen saver support
190 # syscons is the default console driver, resembling an SCO console
192 options SC_PIXEL_MODE # add support for the raster text mode
194 # vt is the new video console driver
199 device agp # support several AGP chipsets
201 # PCCARD (PCMCIA) support
202 # PCMCIA and cardbus bridge support
203 device cbb # cardbus (yenta) bridge
204 device pccard # PC Card (16-bit) bus
205 device cardbus # CardBus (32-bit) bus
208 device uart # Generic UART driver
212 device ppbus # Parallel port bus (required)
214 device ppi # Parallel port interface device
215 #device vpo # Requires scbus and da
217 device puc # Multi I/O cards and multi-channel UARTs
220 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
221 device de # DEC/Intel DC21x4x (``Tulip'')
222 device em # Intel PRO/1000 Gigabit Ethernet Family
223 device igb # Intel PRO/1000 PCIE Server Gigabit Family
224 device ix # Intel PRO/10GbE PCIE PF Ethernet
225 device ixv # Intel PRO/10GbE PCIE VF Ethernet
226 device ixl # Intel XL710 40Gbe PCIE Ethernet
227 device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
228 device le # AMD Am7900 LANCE and Am79C9xx PCnet
229 device ti # Alteon Networks Tigon I/II gigabit Ethernet
230 device txp # 3Com 3cR990 (``Typhoon'')
231 device vx # 3Com 3c590, 3c595 (``Vortex'')
233 # PCI Ethernet NICs that use the common MII bus controller code.
234 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
235 device miibus # MII bus support
236 device ae # Attansic/Atheros L2 FastEthernet
237 device age # Attansic/Atheros L1 Gigabit Ethernet
238 device alc # Atheros AR8131/AR8132 Ethernet
239 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
240 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
241 device bfe # Broadcom BCM440x 10/100 Ethernet
242 device bge # Broadcom BCM570xx Gigabit Ethernet
243 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
244 device dc # DEC/Intel 21143 and various workalikes
245 device et # Agere ET1310 10/100/Gigabit Ethernet
246 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
247 device gem # Sun GEM/Sun ERI/Apple GMAC
248 device hme # Sun HME (Happy Meal Ethernet)
249 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
250 device lge # Level 1 LXT1001 gigabit Ethernet
251 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
252 device nfe # nVidia nForce MCP on-board Ethernet
253 device nge # NatSemi DP83820 gigabit Ethernet
254 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
255 device re # RealTek 8139C+/8169/8169S/8110S
256 device rl # RealTek 8129/8139
257 device sf # Adaptec AIC-6915 (``Starfire'')
258 device sge # Silicon Integrated Systems SiS190/191
259 device sis # Silicon Integrated Systems SiS 900/SiS 7016
260 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
261 device ste # Sundance ST201 (D-Link DFE-550TX)
262 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
263 device tl # Texas Instruments ThunderLAN
264 device tx # SMC EtherPower II (83c170 ``EPIC'')
265 device vge # VIA VT612x gigabit Ethernet
266 device vr # VIA Rhine, Rhine II
267 device wb # Winbond W89C840F
268 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
271 device wlan # 802.11 support
272 options IEEE80211_DEBUG # enable debug msgs
273 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
274 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
275 device wlan_wep # 802.11 WEP support
276 device wlan_ccmp # 802.11 CCMP support
277 device wlan_tkip # 802.11 TKIP support
278 device wlan_amrr # AMRR transmit rate control algorithm
279 device an # Aironet 4500/4800 802.11 wireless NICs.
280 device ath # Atheros NICs
281 device ath_pci # Atheros pci/cardbus glue
282 device ath_hal # pci/cardbus chip support
283 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
284 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
285 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
286 device ath_rate_sample # SampleRate tx rate control for ath
287 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
288 #device bwn # Broadcom BCM43xx wireless NICs.
289 device ipw # Intel 2100 wireless NICs.
290 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
291 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
292 device malo # Marvell Libertas wireless NICs.
293 device mwl # Marvell 88W8363 802.11n wireless NICs.
294 device ral # Ralink Technology RT2500 wireless NICs.
295 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
296 device wpi # Intel 3945ABG wireless NICs.
299 device loop # Network loopback
300 device random # Entropy device
301 device padlock_rng # VIA Padlock RNG
302 device rdrand_rng # Intel Bull Mountain RNG
303 device ether # Ethernet support
304 device vlan # 802.1Q VLAN support
305 device tun # Packet tunnel.
306 device md # Memory "disks"
307 device gif # IPv6 and IPv4 tunneling
308 device firmware # firmware assist module
310 # The `bpf' device enables the Berkeley Packet Filter.
311 # Be aware of the administrative consequences of enabling this!
312 # Note that 'bpf' is required for DHCP.
313 device bpf # Berkeley packet filter
316 options USB_DEBUG # enable debug msgs
317 device uhci # UHCI PCI->USB interface
318 device ohci # OHCI PCI->USB interface
319 device ehci # EHCI PCI->USB interface (USB 2.0)
320 device xhci # XHCI PCI->USB interface (USB 3.0)
321 device usb # USB Bus (required)
322 device ukbd # Keyboard
323 device umass # Disks/Mass storage - Requires scbus and da
326 device sound # Generic sound driver (required)
327 device snd_cmi # CMedia CMI8338/CMI8738
328 device snd_csa # Crystal Semiconductor CS461x/428x
329 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
330 device snd_es137x # Ensoniq AudioPCI ES137x
331 device snd_hda # Intel High Definition Audio
332 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
333 device snd_via8233 # VIA VT8233x Audio
336 device mmc # MMC/SD bus
337 device mmcsd # MMC/SD memory card
338 device sdhci # Generic PCI SD Host Controller
341 device virtio # Generic VirtIO bus (required)
342 device virtio_pci # VirtIO PCI device
343 device vtnet # VirtIO Ethernet device
344 device virtio_blk # VirtIO Block device
345 device virtio_scsi # VirtIO SCSI device
346 device virtio_balloon # VirtIO Memory Balloon device
348 # HyperV drivers and enhancement support
349 device hyperv # HyperV drivers
351 # Xen HVM Guest Optimizations
352 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
353 options XENHVM # Xen HVM kernel infrastructure
354 device xenpci # Xen HVM Hypervisor services driver
357 device vmx # VMware VMXNET3 Ethernet
359 # Netmap provides direct access to TX/RX rings on supported NICs
360 device netmap # netmap(4) support
362 # The crypto framework is required by IPSEC
363 device crypto # Required by IPSEC