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 # Network Filesystem Client
41 options NFSD # 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 COMPAT_FREEBSD9 # Compatible with FreeBSD9
57 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
58 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
59 options KTRACE # ktrace(1) support
60 options STACK # stack(9) support
61 options SYSVSHM # SYSV-style shared memory
62 options SYSVMSG # SYSV-style message queues
63 options SYSVSEM # SYSV-style semaphores
64 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
65 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
66 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
67 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
68 options AUDIT # Security event auditing
69 options CAPABILITY_MODE # Capsicum capability mode
70 options CAPABILITIES # Capsicum capabilities
71 options MAC # TrustedBSD MAC Framework
72 options KDTRACE_FRAME # Ensure frames are compiled in
73 options KDTRACE_HOOKS # Kernel DTrace hooks
74 options DDB_CTF # Kernel ELF linker loads CTF data
75 options INCLUDE_CONFIG_FILE # Include this file in kernel
77 # Debugging support. Always need this:
78 options KDB # Enable kernel debugger support.
79 options KDB_TRACE # Print a stack trace for a panic.
80 # For full debugger support use (turn off in stable branch):
81 options DDB # Support DDB.
82 options GDB # Support remote GDB.
83 options DEADLKRES # Enable the deadlock resolver
84 options INVARIANTS # Enable calls of extra sanity checking
85 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
86 options WITNESS # Enable checks to detect deadlocks and cycles
87 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
88 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
90 # Make an SMP-capable kernel by default
91 options SMP # Symmetric MultiProcessor Kernel
93 # CPU frequency control
105 device ahci # AHCI-compatible SATA controllers
106 device ata # Legacy ATA/SATA controllers
107 options ATA_STATIC_ID # Static device numbering
108 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
109 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
112 device ahc # AHA2940 and onboard AIC7xxx devices
113 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
114 # output. Adds ~128k to driver.
115 device ahd # AHA39320/29320 and onboard AIC79xx devices
116 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
117 # output. Adds ~215k to driver.
118 device esp # AMD Am53C974 (Tekram DC-390(T))
119 device hptiop # Highpoint RocketRaid 3xxx series
120 device isp # Qlogic family
121 #device ispfw # Firmware for QLogic HBAs- normally a module
122 device mpt # LSI-Logic MPT-Fusion
123 device mps # LSI-Logic MPT-Fusion 2
124 device mpr # LSI-Logic MPT-Fusion 3
125 #device ncr # NCR/Symbios Logic
126 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
127 device trm # Tekram DC395U/UW/F DC315U adapters
129 device adv # Advansys SCSI adapters
130 device adw # Advansys wide SCSI adapters
131 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
132 device bt # Buslogic/Mylex MultiMaster SCSI adapters
133 device isci # Intel C600 SAS controller
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 tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
161 device aac # Adaptec FSA RAID
162 device aacp # SCSI passthrough for aac (requires CAM)
163 device aacraid # Adaptec by PMC RAID
164 device ida # Compaq Smart RAID
165 device mfi # LSI MegaRAID SAS
166 device mlx # Mylex DAC960 family
167 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
168 #XXX pointer/int warnings
169 #device pst # Promise Supertrak SX6000
170 device twe # 3ware ATA RAID
172 # atkbdc0 controls both the keyboard and the PS/2 mouse
173 device atkbdc # AT keyboard controller
174 device atkbd # AT keyboard
175 device psm # PS/2 mouse
177 device kbdmux # keyboard multiplexer
179 device vga # VGA video card driver
180 options VESA # Add support for VESA BIOS Extensions (VBE)
182 device splash # Splash screen and screen saver support
184 # syscons is the default console driver, resembling an SCO console
186 options SC_PIXEL_MODE # add support for the raster text mode
188 # vt is the new video console driver
193 device agp # support several AGP chipsets
195 # PCCARD (PCMCIA) support
196 # PCMCIA and cardbus bridge support
197 device cbb # cardbus (yenta) bridge
198 device pccard # PC Card (16-bit) bus
199 device cardbus # CardBus (32-bit) bus
202 device uart # Generic UART driver
206 device ppbus # Parallel port bus (required)
208 device ppi # Parallel port interface device
209 #device vpo # Requires scbus and da
211 device puc # Multi I/O cards and multi-channel UARTs
214 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
215 device de # DEC/Intel DC21x4x (``Tulip'')
216 device em # Intel PRO/1000 Gigabit Ethernet Family
217 device igb # Intel PRO/1000 PCIE Server Gigabit Family
218 device ixgbe # Intel PRO/10GbE PCIE Ethernet Family
219 device ixl # Intel XL710 40Gbe PCIE Ethernet
220 device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
221 device le # AMD Am7900 LANCE and Am79C9xx PCnet
222 device ti # Alteon Networks Tigon I/II gigabit Ethernet
223 device txp # 3Com 3cR990 (``Typhoon'')
224 device vx # 3Com 3c590, 3c595 (``Vortex'')
226 # PCI Ethernet NICs that use the common MII bus controller code.
227 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
228 device miibus # MII bus support
229 device ae # Attansic/Atheros L2 FastEthernet
230 device age # Attansic/Atheros L1 Gigabit Ethernet
231 device alc # Atheros AR8131/AR8132 Ethernet
232 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
233 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
234 device bfe # Broadcom BCM440x 10/100 Ethernet
235 device bge # Broadcom BCM570xx Gigabit Ethernet
236 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
237 device dc # DEC/Intel 21143 and various workalikes
238 device et # Agere ET1310 10/100/Gigabit Ethernet
239 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
240 device gem # Sun GEM/Sun ERI/Apple GMAC
241 device hme # Sun HME (Happy Meal Ethernet)
242 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
243 device lge # Level 1 LXT1001 gigabit Ethernet
244 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
245 device nfe # nVidia nForce MCP on-board Ethernet
246 device nge # NatSemi DP83820 gigabit Ethernet
247 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
248 device re # RealTek 8139C+/8169/8169S/8110S
249 device rl # RealTek 8129/8139
250 device sf # Adaptec AIC-6915 (``Starfire'')
251 device sge # Silicon Integrated Systems SiS190/191
252 device sis # Silicon Integrated Systems SiS 900/SiS 7016
253 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
254 device ste # Sundance ST201 (D-Link DFE-550TX)
255 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
256 device tl # Texas Instruments ThunderLAN
257 device tx # SMC EtherPower II (83c170 ``EPIC'')
258 device vge # VIA VT612x gigabit Ethernet
259 device vr # VIA Rhine, Rhine II
260 device wb # Winbond W89C840F
261 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
264 device wlan # 802.11 support
265 options IEEE80211_DEBUG # enable debug msgs
266 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
267 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
268 device wlan_wep # 802.11 WEP support
269 device wlan_ccmp # 802.11 CCMP support
270 device wlan_tkip # 802.11 TKIP support
271 device wlan_amrr # AMRR transmit rate control algorithm
272 device an # Aironet 4500/4800 802.11 wireless NICs.
273 device ath # Atheros NICs
274 device ath_pci # Atheros pci/cardbus glue
275 device ath_hal # pci/cardbus chip support
276 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
277 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
278 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
279 device ath_rate_sample # SampleRate tx rate control for ath
280 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
281 #device bwn # Broadcom BCM43xx wireless NICs.
282 device ipw # Intel 2100 wireless NICs.
283 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
284 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
285 device malo # Marvell Libertas wireless NICs.
286 device mwl # Marvell 88W8363 802.11n wireless NICs.
287 device ral # Ralink Technology RT2500 wireless NICs.
288 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
289 device wpi # Intel 3945ABG wireless NICs.
292 device loop # Network loopback
293 device random # Entropy device
294 device padlock_rng # VIA Padlock RNG
295 device rdrand_rng # Intel Bull Mountain RNG
296 device ether # Ethernet support
297 device vlan # 802.1Q VLAN support
298 device tun # Packet tunnel.
299 device md # Memory "disks"
300 device gif # IPv6 and IPv4 tunneling
301 device firmware # firmware assist module
303 # The `bpf' device enables the Berkeley Packet Filter.
304 # Be aware of the administrative consequences of enabling this!
305 # Note that 'bpf' is required for DHCP.
306 device bpf # Berkeley packet filter
309 options USB_DEBUG # enable debug msgs
310 device uhci # UHCI PCI->USB interface
311 device ohci # OHCI PCI->USB interface
312 device ehci # EHCI PCI->USB interface (USB 2.0)
313 device xhci # XHCI PCI->USB interface (USB 3.0)
314 device usb # USB Bus (required)
315 device ukbd # Keyboard
316 device umass # Disks/Mass storage - Requires scbus and da
319 device sound # Generic sound driver (required)
320 device snd_cmi # CMedia CMI8338/CMI8738
321 device snd_csa # Crystal Semiconductor CS461x/428x
322 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
323 device snd_es137x # Ensoniq AudioPCI ES137x
324 device snd_hda # Intel High Definition Audio
325 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
326 device snd_via8233 # VIA VT8233x Audio
329 device mmc # MMC/SD bus
330 device mmcsd # MMC/SD memory card
331 device sdhci # Generic PCI SD Host Controller
334 device virtio # Generic VirtIO bus (required)
335 device virtio_pci # VirtIO PCI device
336 device vtnet # VirtIO Ethernet device
337 device virtio_blk # VirtIO Block device
338 device virtio_scsi # VirtIO SCSI device
339 device virtio_balloon # VirtIO Memory Balloon device
342 device hyperv # HyperV drivers
344 # Xen HVM Guest Optimizations
345 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
346 options XENHVM # Xen HVM kernel infrastructure
347 device xenpci # Xen HVM Hypervisor services driver
350 device vmx # VMware VMXNET3 Ethernet
352 # Netmap provides direct access to TX/RX rings on supported NICs
353 device netmap # netmap(4) support