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 envvar static_env_included=1
26 envvar console=userboot
27 envvar currdev=disk0s2a:
28 envvar vfs.root.mountfrom=ufs:vtbd0s2a
29 envvar loader_env.disabled=0
30 envvar vfs.mountroot.timeout=3
31 envvar hint.acpi_throttle.0.disabled=1
32 envvar hint.atkbd.0.at=atkbdc
33 envvar hint.atkbd.0.irq=1
34 envvar hint.atkbdc.0.at=isa
35 envvar hint.atkbdc.0.port=0x060
36 envvar hint.atrtc.0.at=isa
37 envvar hint.atrtc.0.irq=8
38 envvar hint.atrtc.0.port=0x70
39 envvar hint.attimer.0.at=isa
40 envvar hint.attimer.0.irq=0
41 envvar hint.attimer.0.port=0x40
42 envvar hint.fd.0.at=fdc0
43 envvar hint.fd.0.drive=0
44 envvar hint.fd.1.at=fdc0
45 envvar hint.fd.1.drive=1
46 envvar hint.fdc.0.at=isa
47 envvar hint.fdc.0.drq=2
48 envvar hint.fdc.0.irq=6
49 envvar hint.fdc.0.port=0x3F0
50 envvar hint.p4tcc.0.disabled=1
51 envvar hint.ppc.0.at=isa
52 envvar hint.ppc.0.irq=7
53 envvar hint.psm.0.at=atkbdc
54 envvar hint.psm.0.irq=12
55 envvar hint.sc.0.at=isa
56 envvar hint.sc.0.flags=0x100
57 envvar hint.uart.0.at=isa
58 envvar hint.uart.0.flags=0x10
59 envvar hint.uart.0.irq=4
60 envvar hint.uart.0.port=0x3F8
65 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
66 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
68 options SCHED_ULE # ULE scheduler
69 options PREEMPTION # Enable kernel thread preemption
70 options INET # InterNETworking
71 options INET6 # IPv6 communications protocols
72 options IPSEC # IP (v4/v6) security
73 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
74 options TCP_OFFLOAD # TCP offload
75 options SCTP # Stream Control Transmission Protocol
76 options FFS # Berkeley Fast Filesystem
77 options SOFTUPDATES # Enable FFS soft updates support
78 options UFS_ACL # Support for access control lists
79 options UFS_DIRHASH # Improve performance on big directories
80 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
81 options QUOTA # Enable disk quotas for UFS
82 options MD_ROOT # MD is a potential root device
83 options NFSCL # Network Filesystem Client
84 options NFSD # Network Filesystem Server
85 options NFSLOCKD # Network Lock Manager
86 options NFS_ROOT # NFS usable as /, requires NFSCL
87 options MSDOSFS # MSDOS Filesystem
88 options CD9660 # ISO 9660 Filesystem
89 options PROCFS # Process filesystem (requires PSEUDOFS)
90 options PSEUDOFS # Pseudo-filesystem framework
91 options GEOM_PART_GPT # GUID Partition Tables.
92 options GEOM_RAID # Soft RAID functionality.
93 options GEOM_LABEL # Provides labelization
94 options COMPAT_FREEBSD32 # Compatible with i386 binaries
95 options COMPAT_FREEBSD4 # Compatible with FreeBSD4
96 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
97 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
98 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
99 options COMPAT_FREEBSD9 # Compatible with FreeBSD9
100 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
101 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
102 options KTRACE # ktrace(1) support
103 options STACK # stack(9) support
104 options SYSVSHM # SYSV-style shared memory
105 options SYSVMSG # SYSV-style message queues
106 options SYSVSEM # SYSV-style semaphores
107 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
108 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
109 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
110 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
111 options AUDIT # Security event auditing
112 options CAPABILITY_MODE # Capsicum capability mode
113 options CAPABILITIES # Capsicum capabilities
114 options MAC # TrustedBSD MAC Framework
115 options KDTRACE_FRAME # Ensure frames are compiled in
116 options KDTRACE_HOOKS # Kernel DTrace hooks
117 options DDB_CTF # Kernel ELF linker loads CTF data
118 options INCLUDE_CONFIG_FILE # Include this file in kernel
119 options RACCT # Resource accounting framework
120 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
121 options RCTL # Resource limits
123 # Debugging support. Always need this:
124 options KDB # Enable kernel debugger support.
125 options KDB_TRACE # Print a stack trace for a panic.
127 # Make an SMP-capable kernel by default
128 options SMP # Symmetric MultiProcessor Kernel
129 options DEVICE_NUMA # I/O Device Affinity
130 options EARLY_AP_STARTUP
132 # CPU frequency control
139 options PCI_HP # PCI-Express native HotPlug
140 options PCI_IOV # PCI SR-IOV support
146 device ahci # AHCI-compatible SATA controllers
147 device ata # Legacy ATA/SATA controllers
148 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
149 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
152 device ahc # AHA2940 and onboard AIC7xxx devices
153 options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
154 # output. Adds ~128k to driver.
155 device ahd # AHA39320/29320 and onboard AIC79xx devices
156 options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
157 # output. Adds ~215k to driver.
158 device esp # AMD Am53C974 (Tekram DC-390(T))
159 device hptiop # Highpoint RocketRaid 3xxx series
160 device isp # Qlogic family
161 #device ispfw # Firmware for QLogic HBAs- normally a module
162 device mpt # LSI-Logic MPT-Fusion
163 device mps # LSI-Logic MPT-Fusion 2
164 device mpr # LSI-Logic MPT-Fusion 3
165 #device ncr # NCR/Symbios Logic
166 device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
167 device trm # Tekram DC395U/UW/F DC315U adapters
169 device adv # Advansys SCSI adapters
170 device adw # Advansys wide SCSI adapters
171 device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
172 device bt # Buslogic/Mylex MultiMaster SCSI adapters
173 device isci # Intel C600 SAS controller
174 device ocs_fc # Emulex FC adapters
176 # ATA/SCSI peripherals
177 device scbus # SCSI bus (required for ATA/SCSI)
178 device ch # SCSI media changers
179 device da # Direct Access (disks)
180 device sa # Sequential Access (tape etc)
182 device pass # Passthrough device (direct ATA/SCSI access)
183 device ses # Enclosure Services (SES and SAF-TE)
184 #device ctl # CAM Target Layer
186 # RAID controllers interfaced to the SCSI subsystem
187 device amr # AMI MegaRAID
188 device arcmsr # Areca SATA II RAID
189 device ciss # Compaq Smart RAID 5*
190 device dpt # DPT Smartcache III, IV - See NOTES for options
191 device hptmv # Highpoint RocketRAID 182x
192 device hptnr # Highpoint DC7280, R750
193 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
194 device hpt27xx # Highpoint RocketRAID 27xx
195 device iir # Intel Integrated RAID
196 device ips # IBM (Adaptec) ServeRAID
197 device mly # Mylex AcceleRAID/eXtremeRAID
198 device twa # 3ware 9000 series PATA/SATA RAID
199 device smartpqi # Microsemi smartpqi driver
200 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
203 device aac # Adaptec FSA RAID
204 device aacp # SCSI passthrough for aac (requires CAM)
205 device aacraid # Adaptec by PMC RAID
206 device ida # Compaq Smart RAID
207 device mfi # LSI MegaRAID SAS
208 device mlx # Mylex DAC960 family
209 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
210 device pmspcv # PMC-Sierra SAS/SATA Controller driver
211 #XXX pointer/int warnings
212 #device pst # Promise Supertrak SX6000
213 device twe # 3ware ATA RAID
215 # NVM Express (NVMe) support
216 device nvme # base NVMe driver
217 device nvd # expose NVMe namespaces as disks, depends on nvme
219 # atkbdc0 controls both the keyboard and the PS/2 mouse
220 device atkbdc # AT keyboard controller
221 device atkbd # AT keyboard
222 device psm # PS/2 mouse
224 device kbdmux # keyboard multiplexer
226 device vga # VGA video card driver
227 options VESA # Add support for VESA BIOS Extensions (VBE)
229 device splash # Splash screen and screen saver support
231 # syscons is the default console driver, resembling an SCO console
233 options SC_PIXEL_MODE # add support for the raster text mode
235 # vt is the new video console driver
240 device agp # support several AGP chipsets
242 # PCCARD (PCMCIA) support
243 # PCMCIA and cardbus bridge support
244 device cbb # cardbus (yenta) bridge
245 device pccard # PC Card (16-bit) bus
246 device cardbus # CardBus (32-bit) bus
249 device uart # Generic UART driver
253 device ppbus # Parallel port bus (required)
255 device ppi # Parallel port interface device
256 #device vpo # Requires scbus and da
258 device puc # Multi I/O cards and multi-channel UARTs
261 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
262 device de # DEC/Intel DC21x4x (``Tulip'')
263 device em # Intel PRO/1000 Gigabit Ethernet Family
264 device igb # Intel PRO/1000 PCIE Server Gigabit Family
265 device ix # Intel PRO/10GbE PCIE PF Ethernet
266 device ixv # Intel PRO/10GbE PCIE VF Ethernet
267 device ixl # Intel XL710 40Gbe PCIE Ethernet
268 device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
269 device le # AMD Am7900 LANCE and Am79C9xx PCnet
270 device ti # Alteon Networks Tigon I/II gigabit Ethernet
271 device txp # 3Com 3cR990 (``Typhoon'')
272 device vx # 3Com 3c590, 3c595 (``Vortex'')
274 # PCI Ethernet NICs that use the common MII bus controller code.
275 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
276 device miibus # MII bus support
277 device ae # Attansic/Atheros L2 FastEthernet
278 device age # Attansic/Atheros L1 Gigabit Ethernet
279 device alc # Atheros AR8131/AR8132 Ethernet
280 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
281 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
282 device bfe # Broadcom BCM440x 10/100 Ethernet
283 device bge # Broadcom BCM570xx Gigabit Ethernet
284 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
285 device dc # DEC/Intel 21143 and various workalikes
286 device et # Agere ET1310 10/100/Gigabit Ethernet
287 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
288 device gem # Sun GEM/Sun ERI/Apple GMAC
289 device hme # Sun HME (Happy Meal Ethernet)
290 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
291 device lge # Level 1 LXT1001 gigabit Ethernet
292 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
293 device nfe # nVidia nForce MCP on-board Ethernet
294 device nge # NatSemi DP83820 gigabit Ethernet
295 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
296 device re # RealTek 8139C+/8169/8169S/8110S
297 device rl # RealTek 8129/8139
298 device sf # Adaptec AIC-6915 (``Starfire'')
299 device sge # Silicon Integrated Systems SiS190/191
300 device sis # Silicon Integrated Systems SiS 900/SiS 7016
301 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
302 device ste # Sundance ST201 (D-Link DFE-550TX)
303 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
304 device tl # Texas Instruments ThunderLAN
305 device tx # SMC EtherPower II (83c170 ``EPIC'')
306 device vge # VIA VT612x gigabit Ethernet
307 device vr # VIA Rhine, Rhine II
308 device wb # Winbond W89C840F
309 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
312 device wlan # 802.11 support
313 options IEEE80211_DEBUG # enable debug msgs
314 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
315 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
316 device wlan_wep # 802.11 WEP support
317 device wlan_ccmp # 802.11 CCMP support
318 device wlan_tkip # 802.11 TKIP support
319 device wlan_amrr # AMRR transmit rate control algorithm
320 device an # Aironet 4500/4800 802.11 wireless NICs.
321 device ath # Atheros NICs
322 device ath_pci # Atheros pci/cardbus glue
323 device ath_hal # pci/cardbus chip support
324 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
325 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
326 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
327 device ath_rate_sample # SampleRate tx rate control for ath
328 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
329 #device bwn # Broadcom BCM43xx wireless NICs.
330 device ipw # Intel 2100 wireless NICs.
331 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
332 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
333 device malo # Marvell Libertas wireless NICs.
334 device mwl # Marvell 88W8363 802.11n wireless NICs.
335 device ral # Ralink Technology RT2500 wireless NICs.
336 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
337 device wpi # Intel 3945ABG wireless NICs.
340 device loop # Network loopback
341 device random # Entropy device
342 device padlock_rng # VIA Padlock RNG
343 device rdrand_rng # Intel Bull Mountain RNG
344 device ether # Ethernet support
345 device vlan # 802.1Q VLAN support
346 device tun # Packet tunnel.
347 device md # Memory "disks"
348 device gif # IPv6 and IPv4 tunneling
349 device firmware # firmware assist module
351 # The `bpf' device enables the Berkeley Packet Filter.
352 # Be aware of the administrative consequences of enabling this!
353 # Note that 'bpf' is required for DHCP.
354 device bpf # Berkeley packet filter
357 options USB_DEBUG # enable debug msgs
358 device uhci # UHCI PCI->USB interface
359 device ohci # OHCI PCI->USB interface
360 device ehci # EHCI PCI->USB interface (USB 2.0)
361 device xhci # XHCI PCI->USB interface (USB 3.0)
362 device usb # USB Bus (required)
363 device ukbd # Keyboard
364 device umass # Disks/Mass storage - Requires scbus and da
367 device sound # Generic sound driver (required)
368 device snd_cmi # CMedia CMI8338/CMI8738
369 device snd_csa # Crystal Semiconductor CS461x/428x
370 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
371 device snd_es137x # Ensoniq AudioPCI ES137x
372 device snd_hda # Intel High Definition Audio
373 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
374 device snd_via8233 # VIA VT8233x Audio
377 device mmc # MMC/SD bus
378 device mmcsd # MMC/SD memory card
379 device sdhci # Generic PCI SD Host Controller
382 device virtio # Generic VirtIO bus (required)
383 device virtio_pci # VirtIO PCI device
384 device vtnet # VirtIO Ethernet device
385 device virtio_blk # VirtIO Block device
386 device virtio_scsi # VirtIO SCSI device
387 device virtio_balloon # VirtIO Memory Balloon device
389 # HyperV drivers and enhancement support
390 device hyperv # HyperV drivers
392 # Xen HVM Guest Optimizations
393 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
394 options XENHVM # Xen HVM kernel infrastructure
395 device xenpci # Xen HVM Hypervisor services driver
398 device vmx # VMware VMXNET3 Ethernet
400 # Netmap provides direct access to TX/RX rings on supported NICs
401 device netmap # netmap(4) support
403 # The crypto framework is required by IPSEC
404 device crypto # Required by IPSEC
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