FreeBSD/Linux Kernel Cross Reference
sys/i386/conf/GENERIC
1 #
2 # GENERIC -- Generic kernel configuration file for FreeBSD/i386
3 #
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
6 #
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
8 #
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
12 # latest information.
13 #
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
17 # in NOTES.
18 #
19 # $FreeBSD$
20
21 cpu I486_CPU
22 cpu I586_CPU
23 cpu I686_CPU
24 ident GENERIC
25
26 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
27 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
28
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 RACCT # Resource accounting framework
76 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
77 options RCTL # Resource limits
78
79 # Debugging support. Always need this:
80 options KDB # Enable kernel debugger support.
81 options KDB_TRACE # Print a stack trace for a panic.
82
83 # To make an SMP kernel, the next two lines are needed
84 options SMP # Symmetric MultiProcessor Kernel
85 device apic # I/O APIC
86
87 # CPU frequency control
88 device cpufreq
89
90 # Bus support.
91 device acpi
92 device eisa
93 device pci
94
95 # Floppy drives
96 device fdc
97
98 # ATA controllers
99 device ahci # AHCI-compatible SATA controllers
100 device ata # Legacy ATA/SATA controllers
101 options ATA_STATIC_ID # Static device numbering
102 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
103 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
104
105 # SCSI Controllers
106 device ahb # EISA AHA1742 family
107 device ahc # AHA2940 and onboard AIC7xxx devices
108 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
109 # output. Adds ~128k to driver.
110 device ahd # AHA39320/29320 and onboard AIC79xx devices
111 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
112 # output. Adds ~215k to driver.
113 device esp # AMD Am53C974 (Tekram DC-390(T))
114 device hptiop # Highpoint RocketRaid 3xxx series
115 device isp # Qlogic family
116 #device ispfw # Firmware for QLogic HBAs- normally a module
117 device mpt # LSI-Logic MPT-Fusion
118 device mps # LSI-Logic MPT-Fusion 2
119 device mpr # LSI-Logic MPT-Fusion 3
120 #device ncr # NCR/Symbios Logic
121 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
122 device trm # Tekram DC395U/UW/F DC315U adapters
123
124 device adv # Advansys SCSI adapters
125 device adw # Advansys wide SCSI adapters
126 device aha # Adaptec 154x SCSI adapters
127 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
128 device bt # Buslogic/Mylex MultiMaster SCSI adapters
129
130 device ncv # NCR 53C500
131 device nsp # Workbit Ninja SCSI-3
132 device stg # TMC 18C30/18C50
133 device isci # Intel C600 SAS controller
134
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)
140 device cd # CD
141 device pass # Passthrough device (direct ATA/SCSI access)
142 device ses # Enclosure Services (SES and SAF-TE)
143 #device ctl # CAM Target Layer
144
145 # RAID controllers interfaced to the SCSI subsystem
146 device amr # AMI MegaRAID
147 device arcmsr # Areca SATA II RAID
148 device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
149 device ciss # Compaq Smart RAID 5*
150 device dpt # DPT Smartcache III, IV - See NOTES for options
151 device hptmv # Highpoint RocketRAID 182x
152 device hptnr # Highpoint DC7280, R750
153 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
154 device hpt27xx # Highpoint RocketRAID 27xx
155 device iir # Intel Integrated RAID
156 device ips # IBM (Adaptec) ServeRAID
157 device mly # Mylex AcceleRAID/eXtremeRAID
158 device twa # 3ware 9000 series PATA/SATA RAID
159 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
160
161 # RAID controllers
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 #XXX PCI ID conflicts with ahd(4) and mvs(4)
170 #device pmspcv # PMC-Sierra SAS/SATA Controller driver
171 device pst # Promise Supertrak SX6000
172 device twe # 3ware ATA RAID
173
174 # NVM Express (NVMe) support
175 device nvme # base NVMe driver
176 device nvd # expose NVMe namespace as disks, depends on nvme
177
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
182
183 device kbdmux # keyboard multiplexer
184
185 device vga # VGA video card driver
186 options VESA # Add support for VESA BIOS Extensions (VBE)
187
188 device splash # Splash screen and screen saver support
189
190 # syscons is the default console driver, resembling an SCO console
191 device sc
192 options SC_PIXEL_MODE # add support for the raster text mode
193
194 # vt is the new video console driver
195 device vt
196 device vt_vga
197
198 device agp # support several AGP chipsets
199
200 # Power management support (see NOTES for more options)
201 #device apm
202 # Add suspend/resume support for the i8254.
203 device pmtimer
204
205 # PCCARD (PCMCIA) support
206 # PCMCIA and cardbus bridge support
207 device cbb # cardbus (yenta) bridge
208 device pccard # PC Card (16-bit) bus
209 device cardbus # CardBus (32-bit) bus
210
211 # Serial (COM) ports
212 device uart # Generic UART driver
213
214 # Parallel port
215 device ppc
216 device ppbus # Parallel port bus (required)
217 device lpt # Printer
218 device ppi # Parallel port interface device
219 #device vpo # Requires scbus and da
220
221 device puc # Multi I/O cards and multi-channel UARTs
222
223 # PCI Ethernet NICs.
224 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
225 device de # DEC/Intel DC21x4x (``Tulip'')
226 device em # Intel PRO/1000 Gigabit Ethernet Family
227 device igb # Intel PRO/1000 PCIE Server Gigabit Family
228 device ixgb # Intel PRO/10GbE Ethernet Card
229 device le # AMD Am7900 LANCE and Am79C9xx PCnet
230 device ti # Alteon Networks Tigon I/II gigabit Ethernet
231 device txp # 3Com 3cR990 (``Typhoon'')
232 device vx # 3Com 3c590, 3c595 (``Vortex'')
233
234 # PCI Ethernet NICs that use the common MII bus controller code.
235 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
236 device miibus # MII bus support
237 device ae # Attansic/Atheros L2 FastEthernet
238 device age # Attansic/Atheros L1 Gigabit Ethernet
239 device alc # Atheros AR8131/AR8132 Ethernet
240 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
241 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
242 device bfe # Broadcom BCM440x 10/100 Ethernet
243 device bge # Broadcom BCM570xx Gigabit Ethernet
244 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
245 device dc # DEC/Intel 21143 and various workalikes
246 device et # Agere ET1310 10/100/Gigabit Ethernet
247 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
248 device gem # Sun GEM/Sun ERI/Apple GMAC
249 device hme # Sun HME (Happy Meal Ethernet)
250 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
251 device lge # Level 1 LXT1001 gigabit Ethernet
252 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
253 device nfe # nVidia nForce MCP on-board Ethernet
254 device nge # NatSemi DP83820 gigabit Ethernet
255 #device nve # nVidia nForce MCP on-board Ethernet Networking
256 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
257 device re # RealTek 8139C+/8169/8169S/8110S
258 device rl # RealTek 8129/8139
259 device sf # Adaptec AIC-6915 (``Starfire'')
260 device sge # Silicon Integrated Systems SiS190/191
261 device sis # Silicon Integrated Systems SiS 900/SiS 7016
262 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
263 device ste # Sundance ST201 (D-Link DFE-550TX)
264 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
265 device tl # Texas Instruments ThunderLAN
266 device tx # SMC EtherPower II (83c170 ``EPIC'')
267 device vge # VIA VT612x gigabit Ethernet
268 device vr # VIA Rhine, Rhine II
269 device vte # DM&P Vortex86 RDC R6040 Fast Ethernet
270 device wb # Winbond W89C840F
271 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
272
273 # ISA Ethernet NICs. pccard NICs included.
274 device cs # Crystal Semiconductor CS89x0 NIC
275 # 'device ed' requires 'device miibus'
276 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
277 device ex # Intel EtherExpress Pro/10 and Pro/10+
278 device ep # Etherlink III based cards
279 device fe # Fujitsu MB8696x based cards
280 device ie # EtherExpress 8/16, 3C507, StarLAN 10 etc.
281 device sn # SMC's 9000 series of Ethernet chips
282 device xe # Xircom pccard Ethernet
283
284 # Wireless NIC cards
285 device wlan # 802.11 support
286 options IEEE80211_DEBUG # enable debug msgs
287 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
288 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
289 device wlan_wep # 802.11 WEP support
290 device wlan_ccmp # 802.11 CCMP support
291 device wlan_tkip # 802.11 TKIP support
292 device wlan_amrr # AMRR transmit rate control algorithm
293 device an # Aironet 4500/4800 802.11 wireless NICs.
294 device ath # Atheros NICs
295 device ath_pci # Atheros pci/cardbus glue
296 device ath_hal # pci/cardbus chip support
297 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
298 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
299 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
300 device ath_rate_sample # SampleRate tx rate control for ath
301 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
302 #device bwn # Broadcom BCM43xx wireless NICs.
303 device ipw # Intel 2100 wireless NICs.
304 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
305 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
306 device malo # Marvell Libertas wireless NICs.
307 device mwl # Marvell 88W8363 802.11n wireless NICs.
308 device ral # Ralink Technology RT2500 wireless NICs.
309 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
310 #device wl # Older non 802.11 Wavelan wireless NIC.
311 device wpi # Intel 3945ABG wireless NICs.
312
313 # Pseudo devices.
314 device loop # Network loopback
315 device random # Entropy device
316 device padlock_rng # VIA Padlock RNG
317 device rdrand_rng # Intel Bull Mountain RNG
318 device ether # Ethernet support
319 device vlan # 802.1Q VLAN support
320 device tun # Packet tunnel.
321 device md # Memory "disks"
322 device gif # IPv6 and IPv4 tunneling
323 device faith # IPv6-to-IPv4 relaying (translation)
324 device firmware # firmware assist module
325
326 # The `bpf' device enables the Berkeley Packet Filter.
327 # Be aware of the administrative consequences of enabling this!
328 # Note that 'bpf' is required for DHCP.
329 device bpf # Berkeley packet filter
330
331 # USB support
332 options USB_DEBUG # enable debug msgs
333 device uhci # UHCI PCI->USB interface
334 device ohci # OHCI PCI->USB interface
335 device ehci # EHCI PCI->USB interface (USB 2.0)
336 device xhci # XHCI PCI->USB interface (USB 3.0)
337 device usb # USB Bus (required)
338 device ukbd # Keyboard
339 device umass # Disks/Mass storage - Requires scbus and da
340
341 # Sound support
342 device sound # Generic sound driver (required)
343 device snd_cmi # CMedia CMI8338/CMI8738
344 device snd_csa # Crystal Semiconductor CS461x/428x
345 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
346 device snd_es137x # Ensoniq AudioPCI ES137x
347 device snd_hda # Intel High Definition Audio
348 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
349 device snd_via8233 # VIA VT8233x Audio
350
351 # MMC/SD
352 device mmc # MMC/SD bus
353 device mmcsd # MMC/SD memory card
354 device sdhci # Generic PCI SD Host Controller
355
356 # VirtIO support
357 device virtio # Generic VirtIO bus (required)
358 device virtio_pci # VirtIO PCI device
359 device vtnet # VirtIO Ethernet device
360 device virtio_blk # VirtIO Block device
361 device virtio_scsi # VirtIO SCSI device
362 device virtio_balloon # VirtIO Memory Balloon device
363
364 # HyperV drivers and enchancement support
365 options HYPERV # Hyper-V kernel infrastructure
366 device hyperv # HyperV drivers
367
368 # Xen HVM Guest Optimizations
369 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
370 options XENHVM # Xen HVM kernel infrastructure
371 device xenpci # Xen HVM Hypervisor services driver
372
373 # VMware support
374 device vmx # VMware VMXNET3 Ethernet
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