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 MAC # TrustedBSD MAC Framework
70 options KDTRACE_FRAME # Ensure frames are compiled in
71 options KDTRACE_HOOKS # Kernel DTrace hooks
72 options DDB_CTF # Kernel ELF linker loads CTF data
73 options INCLUDE_CONFIG_FILE # Include this file in kernel
75 # Debugging support. Always need this:
76 options KDB # Enable kernel debugger support.
77 options KDB_TRACE # Print a stack trace for a panic.
78 # For full debugger support use (turn off in stable branch):
79 options DDB # Support DDB.
80 options GDB # Support remote GDB.
81 options DEADLKRES # Enable the deadlock resolver
82 options INVARIANTS # Enable calls of extra sanity checking
83 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
84 options WITNESS # Enable checks to detect deadlocks and cycles
85 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
86 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
88 # Make an SMP-capable kernel by default
89 options SMP # Symmetric MultiProcessor Kernel
91 # CPU frequency control
102 device ahci # AHCI-compatible SATA controllers
103 device ata # Legacy ATA/SATA controllers
104 options ATA_STATIC_ID # Static device numbering
105 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
106 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
109 device ahc # AHA2940 and onboard AIC7xxx devices
110 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
111 # output. Adds ~128k to driver.
112 device ahd # AHA39320/29320 and onboard AIC79xx devices
113 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
114 # output. Adds ~215k to driver.
115 device esp # AMD Am53C974 (Tekram DC-390(T))
116 device hptiop # Highpoint RocketRaid 3xxx series
117 device isp # Qlogic family
118 #device ispfw # Firmware for QLogic HBAs- normally a module
119 device mpt # LSI-Logic MPT-Fusion
120 device mps # LSI-Logic MPT-Fusion 2
121 #device ncr # NCR/Symbios Logic
122 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
123 device trm # Tekram DC395U/UW/F DC315U adapters
125 device adv # Advansys SCSI adapters
126 device adw # Advansys wide SCSI adapters
127 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
128 device bt # Buslogic/Mylex MultiMaster SCSI adapters
129 device isci # Intel C600 SAS controller
131 # ATA/SCSI peripherals
132 device scbus # SCSI bus (required for ATA/SCSI)
133 device ch # SCSI media changers
134 device da # Direct Access (disks)
135 device sa # Sequential Access (tape etc)
137 device pass # Passthrough device (direct ATA/SCSI access)
138 device ses # Enclosure Services (SES and SAF-TE)
139 #device ctl # CAM Target Layer
141 # RAID controllers interfaced to the SCSI subsystem
142 device amr # AMI MegaRAID
143 device arcmsr # Areca SATA II RAID
144 #XXX it is not 64-bit clean, -scottl
145 #device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
146 device ciss # Compaq Smart RAID 5*
147 device dpt # DPT Smartcache III, IV - See NOTES for options
148 device hptmv # Highpoint RocketRAID 182x
149 device hptnr # Highpoint DC7280, R750
150 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
151 device hpt27xx # Highpoint RocketRAID 27xx
152 device iir # Intel Integrated RAID
153 device ips # IBM (Adaptec) ServeRAID
154 device mly # Mylex AcceleRAID/eXtremeRAID
155 device twa # 3ware 9000 series PATA/SATA RAID
156 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
159 device aac # Adaptec FSA RAID
160 device aacp # SCSI passthrough for aac (requires CAM)
161 device aacraid # Adaptec by PMC RAID
162 device ida # Compaq Smart RAID
163 device mfi # LSI MegaRAID SAS
164 device mlx # Mylex DAC960 family
165 #XXX pointer/int warnings
166 #device pst # Promise Supertrak SX6000
167 device twe # 3ware ATA RAID
169 # atkbdc0 controls both the keyboard and the PS/2 mouse
170 device atkbdc # AT keyboard controller
171 device atkbd # AT keyboard
172 device psm # PS/2 mouse
174 device kbdmux # keyboard multiplexer
176 device vga # VGA video card driver
177 options VESA # Add support for VESA BIOS Extensions (VBE)
179 device splash # Splash screen and screen saver support
181 # syscons is the default console driver, resembling an SCO console
183 options SC_PIXEL_MODE # add support for the raster text mode
185 device agp # support several AGP chipsets
187 # PCCARD (PCMCIA) support
188 # PCMCIA and cardbus bridge support
189 device cbb # cardbus (yenta) bridge
190 device pccard # PC Card (16-bit) bus
191 device cardbus # CardBus (32-bit) bus
194 device uart # Generic UART driver
198 device ppbus # Parallel port bus (required)
200 device ppi # Parallel port interface device
201 #device vpo # Requires scbus and da
203 device puc # Multi I/O cards and multi-channel UARTs
206 device bxe # Broadcom BCM57710/BCM57711/BCM57711E 10Gb Ethernet
207 device de # DEC/Intel DC21x4x (``Tulip'')
208 device em # Intel PRO/1000 Gigabit Ethernet Family
209 device igb # Intel PRO/1000 PCIE Server Gigabit Family
210 device ixgbe # Intel PRO/10GbE PCIE Ethernet Family
211 device le # AMD Am7900 LANCE and Am79C9xx PCnet
212 device ti # Alteon Networks Tigon I/II gigabit Ethernet
213 device txp # 3Com 3cR990 (``Typhoon'')
214 device vx # 3Com 3c590, 3c595 (``Vortex'')
216 # PCI Ethernet NICs that use the common MII bus controller code.
217 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
218 device miibus # MII bus support
219 device ae # Attansic/Atheros L2 FastEthernet
220 device age # Attansic/Atheros L1 Gigabit Ethernet
221 device alc # Atheros AR8131/AR8132 Ethernet
222 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
223 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
224 device bfe # Broadcom BCM440x 10/100 Ethernet
225 device bge # Broadcom BCM570xx Gigabit Ethernet
226 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
227 device dc # DEC/Intel 21143 and various workalikes
228 device et # Agere ET1310 10/100/Gigabit Ethernet
229 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
230 device gem # Sun GEM/Sun ERI/Apple GMAC
231 device hme # Sun HME (Happy Meal Ethernet)
232 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
233 device lge # Level 1 LXT1001 gigabit Ethernet
234 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
235 device nfe # nVidia nForce MCP on-board Ethernet
236 device nge # NatSemi DP83820 gigabit Ethernet
237 #device nve # nVidia nForce MCP on-board Ethernet Networking
238 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
239 device re # RealTek 8139C+/8169/8169S/8110S
240 device rl # RealTek 8129/8139
241 device sf # Adaptec AIC-6915 (``Starfire'')
242 device sge # Silicon Integrated Systems SiS190/191
243 device sis # Silicon Integrated Systems SiS 900/SiS 7016
244 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
245 device ste # Sundance ST201 (D-Link DFE-550TX)
246 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
247 device tl # Texas Instruments ThunderLAN
248 device tx # SMC EtherPower II (83c170 ``EPIC'')
249 device vge # VIA VT612x gigabit Ethernet
250 device vr # VIA Rhine, Rhine II
251 device wb # Winbond W89C840F
252 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
254 # ISA Ethernet NICs. pccard NICs included.
255 device cs # Crystal Semiconductor CS89x0 NIC
256 # 'device ed' requires 'device miibus'
257 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
258 device ex # Intel EtherExpress Pro/10 and Pro/10+
259 device ep # Etherlink III based cards
260 device fe # Fujitsu MB8696x based cards
261 device sn # SMC's 9000 series of Ethernet chips
262 device xe # Xircom pccard Ethernet
265 device wlan # 802.11 support
266 options IEEE80211_DEBUG # enable debug msgs
267 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
268 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
269 device wlan_wep # 802.11 WEP support
270 device wlan_ccmp # 802.11 CCMP support
271 device wlan_tkip # 802.11 TKIP support
272 device wlan_amrr # AMRR transmit rate control algorithm
273 device an # Aironet 4500/4800 802.11 wireless NICs.
274 device ath # Atheros NICs
275 device ath_pci # Atheros pci/cardbus glue
276 device ath_hal # pci/cardbus chip support
277 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
278 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
279 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
280 device ath_rate_sample # SampleRate tx rate control for ath
281 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
282 #device bwn # Broadcom BCM43xx wireless NICs.
283 device ipw # Intel 2100 wireless NICs.
284 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
285 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
286 device malo # Marvell Libertas wireless NICs.
287 device mwl # Marvell 88W8363 802.11n wireless NICs.
288 device ral # Ralink Technology RT2500 wireless NICs.
289 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
290 device wpi # Intel 3945ABG wireless NICs.
293 device loop # Network loopback
294 device random # Entropy device
295 options PADLOCK_RNG # VIA Padlock RNG
296 options RDRAND_RNG # Intel Bull Mountain RNG
297 device ether # Ethernet support
298 device vlan # 802.1Q VLAN support
299 device tun # Packet tunnel.
300 device md # Memory "disks"
301 device gif # IPv6 and IPv4 tunneling
302 device faith # IPv6-to-IPv4 relaying (translation)
303 device firmware # firmware assist module
305 # The `bpf' device enables the Berkeley Packet Filter.
306 # Be aware of the administrative consequences of enabling this!
307 # Note that 'bpf' is required for DHCP.
308 device bpf # Berkeley packet filter
311 options USB_DEBUG # enable debug msgs
312 device uhci # UHCI PCI->USB interface
313 device ohci # OHCI PCI->USB interface
314 device ehci # EHCI PCI->USB interface (USB 2.0)
315 device xhci # XHCI PCI->USB interface (USB 3.0)
316 device usb # USB Bus (required)
317 device ukbd # Keyboard
318 device umass # Disks/Mass storage - Requires scbus and da
321 device sound # Generic sound driver (required)
322 device snd_cmi # CMedia CMI8338/CMI8738
323 device snd_csa # Crystal Semiconductor CS461x/428x
324 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
325 device snd_es137x # Ensoniq AudioPCI ES137x
326 device snd_hda # Intel High Definition Audio
327 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
328 device snd_via8233 # VIA VT8233x Audio
331 device mmc # MMC/SD bus
332 device mmcsd # MMC/SD memory card
333 device sdhci # Generic PCI SD Host Controller
336 device virtio # Generic VirtIO bus (required)
337 device virtio_pci # VirtIO PCI device
338 device vtnet # VirtIO Ethernet device
339 device virtio_blk # VirtIO Block device
340 device virtio_scsi # VirtIO SCSI device
341 device virtio_balloon # VirtIO Memory Balloon device