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 # New Network Filesystem Client
43 options NFSD # New 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 SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
58 options KTRACE # ktrace(1) support
59 options STACK # stack(9) support
60 options SYSVSHM # SYSV-style shared memory
61 options SYSVMSG # SYSV-style message queues
62 options SYSVSEM # SYSV-style semaphores
63 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
64 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
65 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
66 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
67 options AUDIT # Security event auditing
68 options CAPABILITY_MODE # Capsicum capability mode
69 options CAPABILITIES # Capsicum capabilities
70 options PROCDESC # Support for process descriptors
71 options MAC # TrustedBSD MAC Framework
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 XENHVM # Include Xen support
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
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 ahb # EISA AHA1742 family
114 device ahc # AHA2940 and onboard AIC7xxx devices
115 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
116 # output. Adds ~128k to driver.
117 device ahd # AHA39320/29320 and onboard AIC79xx devices
118 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
119 # output. Adds ~215k to driver.
120 device esp # AMD Am53C974 (Tekram DC-390(T))
121 device hptiop # Highpoint RocketRaid 3xxx series
122 device isp # Qlogic family
123 #device ispfw # Firmware for QLogic HBAs- normally a module
124 device mpt # LSI-Logic MPT-Fusion
125 device mps # LSI-Logic MPT-Fusion 2
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 asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
155 device ciss # Compaq Smart RAID 5*
156 device dpt # DPT Smartcache III, IV - See NOTES for options
157 device hptmv # Highpoint RocketRAID 182x
158 device hptnr # Highpoint DC7280, R750
159 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
160 device hpt27xx # Highpoint RocketRAID 27xx
161 device iir # Intel Integrated RAID
162 device ips # IBM (Adaptec) ServeRAID
163 device mly # Mylex AcceleRAID/eXtremeRAID
164 device twa # 3ware 9000 series PATA/SATA RAID
165 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
168 device aac # Adaptec FSA RAID
169 device aacp # SCSI passthrough for aac (requires CAM)
170 device aacraid # Adaptec by PMC RAID
171 device ida # Compaq Smart RAID
172 device mfi # LSI MegaRAID SAS
173 device mlx # Mylex DAC960 family
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 device agp # support several AGP chipsets
195 # Power management support (see NOTES for more options)
197 # Add suspend/resume support for the i8254.
200 # PCCARD (PCMCIA) support
201 # PCMCIA and cardbus bridge support
202 device cbb # cardbus (yenta) bridge
203 device pccard # PC Card (16-bit) bus
204 device cardbus # CardBus (32-bit) bus
207 device uart # Generic UART driver
211 device ppbus # Parallel port bus (required)
213 device ppi # Parallel port interface device
214 #device vpo # Requires scbus and da
216 device puc # Multi I/O cards and multi-channel UARTs
219 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
220 device de # DEC/Intel DC21x4x (``Tulip'')
221 device em # Intel PRO/1000 Gigabit Ethernet Family
222 device igb # Intel PRO/1000 PCIE Server Gigabit Family
223 device ixgb # Intel PRO/10GbE Ethernet Card
224 device le # AMD Am7900 LANCE and Am79C9xx PCnet
225 device ti # Alteon Networks Tigon I/II gigabit Ethernet
226 device txp # 3Com 3cR990 (``Typhoon'')
227 device vx # 3Com 3c590, 3c595 (``Vortex'')
229 # PCI Ethernet NICs that use the common MII bus controller code.
230 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
231 device miibus # MII bus support
232 device ae # Attansic/Atheros L2 FastEthernet
233 device age # Attansic/Atheros L1 Gigabit Ethernet
234 device alc # Atheros AR8131/AR8132 Ethernet
235 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
236 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
237 device bfe # Broadcom BCM440x 10/100 Ethernet
238 device bge # Broadcom BCM570xx Gigabit Ethernet
239 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
240 device dc # DEC/Intel 21143 and various workalikes
241 device et # Agere ET1310 10/100/Gigabit Ethernet
242 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
243 device gem # Sun GEM/Sun ERI/Apple GMAC
244 device hme # Sun HME (Happy Meal Ethernet)
245 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
246 device lge # Level 1 LXT1001 gigabit Ethernet
247 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
248 device nfe # nVidia nForce MCP on-board Ethernet
249 device nge # NatSemi DP83820 gigabit Ethernet
250 #device nve # nVidia nForce MCP on-board Ethernet Networking
251 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
252 device re # RealTek 8139C+/8169/8169S/8110S
253 device rl # RealTek 8129/8139
254 device sf # Adaptec AIC-6915 (``Starfire'')
255 device sge # Silicon Integrated Systems SiS190/191
256 device sis # Silicon Integrated Systems SiS 900/SiS 7016
257 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
258 device ste # Sundance ST201 (D-Link DFE-550TX)
259 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
260 device tl # Texas Instruments ThunderLAN
261 device tx # SMC EtherPower II (83c170 ``EPIC'')
262 device vge # VIA VT612x gigabit Ethernet
263 device vr # VIA Rhine, Rhine II
264 device vte # DM&P Vortex86 RDC R6040 Fast Ethernet
265 device wb # Winbond W89C840F
266 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
268 # ISA Ethernet NICs. pccard NICs included.
269 device cs # Crystal Semiconductor CS89x0 NIC
270 # 'device ed' requires 'device miibus'
271 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
272 device ex # Intel EtherExpress Pro/10 and Pro/10+
273 device ep # Etherlink III based cards
274 device fe # Fujitsu MB8696x based cards
275 device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc.
276 device sn # SMC's 9000 series of Ethernet chips
277 device xe # Xircom pccard Ethernet
280 device wlan # 802.11 support
281 options IEEE80211_DEBUG # enable debug msgs
282 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
283 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
284 device wlan_wep # 802.11 WEP support
285 device wlan_ccmp # 802.11 CCMP support
286 device wlan_tkip # 802.11 TKIP support
287 device wlan_amrr # AMRR transmit rate control algorithm
288 device an # Aironet 4500/4800 802.11 wireless NICs.
289 device ath # Atheros NICs
290 device ath_pci # Atheros pci/cardbus glue
291 device ath_hal # pci/cardbus chip support
292 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
293 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
294 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
295 device ath_rate_sample # SampleRate tx rate control for ath
296 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
297 #device bwn # Broadcom BCM43xx wireless NICs.
298 device ipw # Intel 2100 wireless NICs.
299 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
300 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
301 device malo # Marvell Libertas wireless NICs.
302 device mwl # Marvell 88W8363 802.11n wireless NICs.
303 device ral # Ralink Technology RT2500 wireless NICs.
304 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
305 #device wl # Older non 802.11 Wavelan wireless NIC.
306 device wpi # Intel 3945ABG wireless NICs.
309 device loop # Network loopback
310 device random # Entropy device
311 device padlock_rng # VIA Padlock RNG
312 device rdrand_rng # Intel Bull Mountain RNG
313 device ether # Ethernet support
314 device vlan # 802.1Q VLAN support
315 device tun # Packet tunnel.
316 device md # Memory "disks"
317 device gif # IPv6 and IPv4 tunneling
318 device faith # IPv6-to-IPv4 relaying (translation)
319 device firmware # firmware assist module
321 # The `bpf' device enables the Berkeley Packet Filter.
322 # Be aware of the administrative consequences of enabling this!
323 # Note that 'bpf' is required for DHCP.
324 device bpf # Berkeley packet filter
327 options USB_DEBUG # enable debug msgs
328 device uhci # UHCI PCI->USB interface
329 device ohci # OHCI PCI->USB interface
330 device ehci # EHCI PCI->USB interface (USB 2.0)
331 device xhci # XHCI PCI->USB interface (USB 3.0)
332 device usb # USB Bus (required)
333 device ukbd # Keyboard
334 device umass # Disks/Mass storage - Requires scbus and da
337 device sound # Generic sound driver (required)
338 device snd_cmi # CMedia CMI8338/CMI8738
339 device snd_csa # Crystal Semiconductor CS461x/428x
340 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
341 device snd_es137x # Ensoniq AudioPCI ES137x
342 device snd_hda # Intel High Definition Audio
343 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
344 device snd_via8233 # VIA VT8233x Audio
347 device mmc # MMC/SD bus
348 device mmcsd # MMC/SD memory card
349 device sdhci # Generic PCI SD Host Controller
352 device virtio # Generic VirtIO bus (required)
353 device virtio_pci # VirtIO PCI device
354 device vtnet # VirtIO Ethernet device
355 device virtio_blk # VirtIO Block device
356 device virtio_scsi # VirtIO SCSI device
357 device virtio_balloon # VirtIO Memory Balloon device
360 device xenpci # Generic Xen bus
363 device vmx # VMware VMXNET3 Ethernet