2 # GENERIC -- Generic kernel configuration file for FreeBSD/i386
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
26 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
27 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
29 options SCHED_ULE # ULE scheduler
30 options PREEMPTION # Enable kernel thread preemption
31 options INET # InterNETworking
32 options INET6 # IPv6 communications protocols
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_FREEBSD4 # Compatible with FreeBSD4
54 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
55 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
56 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
57 options COMPAT_FREEBSD9 # Compatible with FreeBSD9
58 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
59 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
60 options KTRACE # ktrace(1) support
61 options STACK # stack(9) support
62 options SYSVSHM # SYSV-style shared memory
63 options SYSVMSG # SYSV-style message queues
64 options SYSVSEM # SYSV-style semaphores
65 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
66 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
67 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
68 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
69 options AUDIT # Security event auditing
70 options CAPABILITY_MODE # Capsicum capability mode
71 options CAPABILITIES # Capsicum capabilities
72 options MAC # TrustedBSD MAC Framework
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 # To make an SMP kernel, the next two lines are needed
91 options SMP # Symmetric MultiProcessor Kernel
92 device apic # I/O APIC
94 # CPU frequency control
100 options PCI_IOV # PCI SR-IOV support
106 device ahci # AHCI-compatible SATA controllers
107 device ata # Legacy ATA/SATA controllers
108 options ATA_STATIC_ID # Static device numbering
109 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
110 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
113 device ahc # AHA2940 and onboard AIC7xxx devices
114 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
115 # output. Adds ~128k to driver.
116 device ahd # AHA39320/29320 and onboard AIC79xx devices
117 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
118 # output. Adds ~215k to driver.
119 device esp # AMD Am53C974 (Tekram DC-390(T))
120 device hptiop # Highpoint RocketRaid 3xxx series
121 device isp # Qlogic family
122 #device ispfw # Firmware for QLogic HBAs- normally a module
123 device mpt # LSI-Logic MPT-Fusion
124 device mps # LSI-Logic MPT-Fusion 2
125 device mpr # LSI-Logic MPT-Fusion 3
126 #device ncr # NCR/Symbios Logic
127 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
128 device trm # Tekram DC395U/UW/F DC315U adapters
130 device adv # Advansys SCSI adapters
131 device adw # Advansys wide SCSI adapters
132 device aha # Adaptec 154x SCSI adapters
133 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
134 device bt # Buslogic/Mylex MultiMaster SCSI adapters
136 device ncv # NCR 53C500
137 device nsp # Workbit Ninja SCSI-3
138 device stg # TMC 18C30/18C50
139 device isci # Intel C600 SAS controller
141 # ATA/SCSI peripherals
142 device scbus # SCSI bus (required for ATA/SCSI)
143 device ch # SCSI media changers
144 device da # Direct Access (disks)
145 device sa # Sequential Access (tape etc)
147 device pass # Passthrough device (direct ATA/SCSI access)
148 device ses # Enclosure Services (SES and SAF-TE)
149 #device ctl # CAM Target Layer
151 # RAID controllers interfaced to the SCSI subsystem
152 device amr # AMI MegaRAID
153 device arcmsr # Areca SATA II RAID
154 device ciss # Compaq Smart RAID 5*
155 device dpt # DPT Smartcache III, IV - See NOTES for options
156 device hptmv # Highpoint RocketRAID 182x
157 device hptnr # Highpoint DC7280, R750
158 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
159 device hpt27xx # Highpoint RocketRAID 27xx
160 device iir # Intel Integrated RAID
161 device ips # IBM (Adaptec) ServeRAID
162 device mly # Mylex AcceleRAID/eXtremeRAID
163 device twa # 3ware 9000 series PATA/SATA RAID
164 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
167 device aac # Adaptec FSA RAID
168 device aacp # SCSI passthrough for aac (requires CAM)
169 device aacraid # Adaptec by PMC RAID
170 device ida # Compaq Smart RAID
171 device mfi # LSI MegaRAID SAS
172 device mlx # Mylex DAC960 family
173 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
174 device pst # Promise Supertrak SX6000
175 device twe # 3ware ATA RAID
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
182 device kbdmux # keyboard multiplexer
184 device vga # VGA video card driver
185 options VESA # Add support for VESA BIOS Extensions (VBE)
187 device splash # Splash screen and screen saver support
189 # syscons is the default console driver, resembling an SCO console
191 options SC_PIXEL_MODE # add support for the raster text mode
193 # vt is the new video console driver
197 device agp # support several AGP chipsets
199 # Power management support (see NOTES for more options)
201 # Add suspend/resume support for the i8254.
204 # PCCARD (PCMCIA) support
205 # PCMCIA and cardbus bridge support
206 device cbb # cardbus (yenta) bridge
207 device pccard # PC Card (16-bit) bus
208 device cardbus # CardBus (32-bit) bus
211 device uart # Generic UART driver
215 device ppbus # Parallel port bus (required)
217 device ppi # Parallel port interface device
218 #device vpo # Requires scbus and da
220 device puc # Multi I/O cards and multi-channel UARTs
223 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
224 device de # DEC/Intel DC21x4x (``Tulip'')
225 device em # Intel PRO/1000 Gigabit Ethernet Family
226 device igb # Intel PRO/1000 PCIE Server Gigabit Family
227 device ixgb # Intel PRO/10GbE Ethernet Card
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 vte # DM&P Vortex86 RDC R6040 Fast Ethernet
268 device wb # Winbond W89C840F
269 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
271 # ISA Ethernet NICs. pccard NICs included.
272 device cs # Crystal Semiconductor CS89x0 NIC
273 # 'device ed' requires 'device miibus'
274 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
275 device ex # Intel EtherExpress Pro/10 and Pro/10+
276 device ep # Etherlink III based cards
277 device fe # Fujitsu MB8696x based cards
278 device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc.
279 device sn # SMC's 9000 series of Ethernet chips
280 device xe # Xircom pccard Ethernet
283 device wlan # 802.11 support
284 options IEEE80211_DEBUG # enable debug msgs
285 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
286 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
287 device wlan_wep # 802.11 WEP support
288 device wlan_ccmp # 802.11 CCMP support
289 device wlan_tkip # 802.11 TKIP support
290 device wlan_amrr # AMRR transmit rate control algorithm
291 device an # Aironet 4500/4800 802.11 wireless NICs.
292 device ath # Atheros NICs
293 device ath_pci # Atheros pci/cardbus glue
294 device ath_hal # pci/cardbus chip support
295 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
296 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
297 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
298 device ath_rate_sample # SampleRate tx rate control for ath
299 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
300 #device bwn # Broadcom BCM43xx wireless NICs.
301 device ipw # Intel 2100 wireless NICs.
302 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
303 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
304 device malo # Marvell Libertas wireless NICs.
305 device mwl # Marvell 88W8363 802.11n wireless NICs.
306 device ral # Ralink Technology RT2500 wireless NICs.
307 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
308 #device wl # Older non 802.11 Wavelan wireless NIC.
309 device wpi # Intel 3945ABG wireless NICs.
312 device loop # Network loopback
313 device random # Entropy device
314 device padlock_rng # VIA Padlock RNG
315 device rdrand_rng # Intel Bull Mountain RNG
316 device ether # Ethernet support
317 device vlan # 802.1Q VLAN support
318 device tun # Packet tunnel.
319 device md # Memory "disks"
320 device gif # IPv6 and IPv4 tunneling
321 device firmware # firmware assist module
323 # The `bpf' device enables the Berkeley Packet Filter.
324 # Be aware of the administrative consequences of enabling this!
325 # Note that 'bpf' is required for DHCP.
326 device bpf # Berkeley packet filter
329 options USB_DEBUG # enable debug msgs
330 device uhci # UHCI PCI->USB interface
331 device ohci # OHCI PCI->USB interface
332 device ehci # EHCI PCI->USB interface (USB 2.0)
333 device xhci # XHCI PCI->USB interface (USB 3.0)
334 device usb # USB Bus (required)
335 device ukbd # Keyboard
336 device umass # Disks/Mass storage - Requires scbus and da
339 device sound # Generic sound driver (required)
340 device snd_cmi # CMedia CMI8338/CMI8738
341 device snd_csa # Crystal Semiconductor CS461x/428x
342 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
343 device snd_es137x # Ensoniq AudioPCI ES137x
344 device snd_hda # Intel High Definition Audio
345 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
346 device snd_via8233 # VIA VT8233x Audio
349 device mmc # MMC/SD bus
350 device mmcsd # MMC/SD memory card
351 device sdhci # Generic PCI SD Host Controller
354 device virtio # Generic VirtIO bus (required)
355 device virtio_pci # VirtIO PCI device
356 device vtnet # VirtIO Ethernet device
357 device virtio_blk # VirtIO Block device
358 device virtio_scsi # VirtIO SCSI device
359 device virtio_balloon # VirtIO Memory Balloon device
362 device hyperv # HyperV drivers
364 # Xen HVM Guest Optimizations
365 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
366 options XENHVM # Xen HVM kernel infrastructure
367 device xenpci # Xen HVM Hypervisor services driver
370 device vmx # VMware VMXNET3 Ethernet