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 # https://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 (https://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 VIMAGE # Subsystem virtualization, e.g. VNET
32 options INET # InterNETworking
33 options INET6 # IPv6 communications protocols
34 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
35 options ROUTE_MPATH # Multipath routing support
36 options TCP_HHOOK # hhook(9) framework for TCP
37 options TCP_OFFLOAD # TCP offload
38 options SCTP_SUPPORT # Allow kldload of SCTP
39 options FFS # Berkeley Fast Filesystem
40 options SOFTUPDATES # Enable FFS soft updates support
41 options UFS_ACL # Support for access control lists
42 options UFS_DIRHASH # Improve performance on big directories
43 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
44 options QUOTA # Enable disk quotas for UFS
45 options MD_ROOT # MD is a potential root device
46 options NFSCL # Network Filesystem Client
47 options NFSD # Network Filesystem Server
48 options NFSLOCKD # Network Lock Manager
49 options NFS_ROOT # NFS usable as /, requires NFSCL
50 options MSDOSFS # MSDOS Filesystem
51 options CD9660 # ISO 9660 Filesystem
52 options PROCFS # Process filesystem (requires PSEUDOFS)
53 options PSEUDOFS # Pseudo-filesystem framework
54 options TMPFS # Efficient memory filesystem
55 options GEOM_RAID # Soft RAID functionality.
56 options GEOM_LABEL # Provides labelization
57 options COMPAT_FREEBSD4 # Compatible with FreeBSD4
58 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
59 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
60 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
61 options COMPAT_FREEBSD9 # Compatible with FreeBSD9
62 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
63 options COMPAT_FREEBSD11 # Compatible with FreeBSD11
64 options COMPAT_FREEBSD12 # Compatible with FreeBSD12
65 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
66 options KTRACE # ktrace(1) support
67 options STACK # stack(9) support
68 options SYSVSHM # SYSV-style shared memory
69 options SYSVMSG # SYSV-style message queues
70 options SYSVSEM # SYSV-style semaphores
71 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
72 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
73 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
74 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
75 options AUDIT # Security event auditing
76 options CAPABILITY_MODE # Capsicum capability mode
77 options CAPABILITIES # Capsicum capabilities
78 options MAC # TrustedBSD MAC Framework
79 options KDTRACE_HOOKS # Kernel DTrace hooks
80 options DDB_CTF # Kernel ELF linker loads CTF data
81 options INCLUDE_CONFIG_FILE # Include this file in kernel
82 options RACCT # Resource accounting framework
83 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
84 options RCTL # Resource limits
86 # Debugging support. Always need this:
87 options KDB # Enable kernel debugger support.
88 options KDB_TRACE # Print a stack trace for a panic.
90 # Kernel dump features.
91 options EKCD # Support for encrypted kernel dumps
92 options GZIO # gzip-compressed kernel and user dumps
93 options ZSTDIO # zstd-compressed kernel and user dumps
94 options DEBUGNET # debugnet networking
95 options NETDUMP # netdump(4) client support
96 options NETGDB # netgdb(4) client support
98 # To make an SMP kernel, the next two lines are needed
99 options SMP # Symmetric MultiProcessor Kernel
100 device apic # I/O APIC
101 options EARLY_AP_STARTUP
103 # CPU frequency control
109 options PCI_HP # PCI-Express native HotPlug
110 options PCI_IOV # PCI SR-IOV support
116 device ahci # AHCI-compatible SATA controllers
117 device ata # Legacy ATA/SATA controllers
118 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
119 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
122 device ahc # AHA2940 and onboard AIC7xxx devices
123 device esp # AMD Am53C974 (Tekram DC-390(T))
124 device hptiop # Highpoint RocketRaid 3xxx series
125 device isp # Qlogic family
126 #device ispfw # Firmware for QLogic HBAs- normally a module
127 device mpt # LSI-Logic MPT-Fusion
128 device mps # LSI-Logic MPT-Fusion 2
129 device mpr # LSI-Logic MPT-Fusion 3
130 device sym # NCR/Symbios Logic
131 device isci # Intel C600 SAS controller
132 device pvscsi # VMware PVSCSI
134 # ATA/SCSI peripherals
135 device scbus # SCSI bus (required for ATA/SCSI)
136 device ch # SCSI media changers
137 device da # Direct Access (disks)
138 device sa # Sequential Access (tape etc)
140 device pass # Passthrough device (direct ATA/SCSI access)
141 device ses # Enclosure Services (SES and SAF-TE)
142 #device ctl # CAM Target Layer
144 # RAID controllers interfaced to the SCSI subsystem
145 device amr # AMI MegaRAID
146 device arcmsr # Areca SATA II RAID
147 device ciss # Compaq Smart RAID 5*
148 device iir # Intel Integrated RAID
149 device ips # IBM (Adaptec) ServeRAID
150 device mly # Mylex AcceleRAID/eXtremeRAID
151 device twa # 3ware 9000 series PATA/SATA RAID
152 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
155 device aac # Adaptec FSA RAID
156 device aacp # SCSI passthrough for aac (requires CAM)
157 device aacraid # Adaptec by PMC RAID
158 device ida # Compaq Smart RAID
159 device mfi # LSI MegaRAID SAS
160 device mlx # Mylex DAC960 family
161 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
162 device pmspcv # PMC-Sierra SAS/SATA Controller driver
163 device pst # Promise Supertrak SX6000
164 device twe # 3ware ATA RAID
166 # NVM Express (NVMe) support
167 device nvme # base NVMe driver
168 device nvd # expose NVMe namespace as disks, depends on nvme
170 # atkbdc0 controls both the keyboard and the PS/2 mouse
171 device atkbdc # AT keyboard controller
172 device atkbd # AT keyboard
173 device psm # PS/2 mouse
175 device kbdmux # keyboard multiplexer
177 device vga # VGA video card driver
178 options VESA # Add support for VESA BIOS Extensions (VBE)
180 device splash # Splash screen and screen saver support
182 # syscons is the legacy console driver, resembling an SCO console
184 options SC_PIXEL_MODE # add support for the raster text mode
186 # vt is the default video console driver
191 device agp # support several AGP chipsets
193 # PCCARD (PCMCIA) support
194 # PCMCIA and cardbus bridge support
195 device cbb # cardbus (yenta) bridge
196 device pccard # PC Card (16-bit) bus
197 device cardbus # CardBus (32-bit) bus
200 device uart # Generic UART driver
204 device ppbus # Parallel port bus (required)
206 device ppi # Parallel port interface device
207 #device vpo # Requires scbus and da
209 device puc # Multi I/O cards and multi-channel UARTs
211 # PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
213 device igc # Intel I225 2.5G Ethernet
214 device em # Intel PRO/1000 Gigabit Ethernet Family
215 device vmx # VMware VMXNET3 Ethernet
218 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
219 device le # AMD Am7900 LANCE and Am79C9xx PCnet
220 device ti # Alteon Networks Tigon I/II gigabit Ethernet
222 # PCI Ethernet NICs that use the common MII bus controller code.
223 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
224 device miibus # MII bus support
225 device ae # Attansic/Atheros L2 FastEthernet
226 device age # Attansic/Atheros L1 Gigabit Ethernet
227 device alc # Atheros AR8131/AR8132 Ethernet
228 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
229 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
230 device bfe # Broadcom BCM440x 10/100 Ethernet
231 device bge # Broadcom BCM570xx Gigabit Ethernet
232 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
233 device dc # DEC/Intel 21143 and various workalikes
234 device et # Agere ET1310 10/100/Gigabit Ethernet
235 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
236 device gem # Sun GEM/Sun ERI/Apple GMAC
237 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
238 device lge # Level 1 LXT1001 gigabit Ethernet
239 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
240 device nfe # nVidia nForce MCP on-board Ethernet
241 device nge # NatSemi DP83820 gigabit Ethernet
242 device re # RealTek 8139C+/8169/8169S/8110S
243 device rl # RealTek 8129/8139
244 device sge # Silicon Integrated Systems SiS190/191
245 device sis # Silicon Integrated Systems SiS 900/SiS 7016
246 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
247 device ste # Sundance ST201 (D-Link DFE-550TX)
248 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
249 device vge # VIA VT612x gigabit Ethernet
250 device vr # VIA Rhine, Rhine II
251 device vte # DM&P Vortex86 RDC R6040 Fast Ethernet
252 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
255 device wlan # 802.11 support
256 options IEEE80211_DEBUG # enable debug msgs
257 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
258 device wlan_wep # 802.11 WEP support
259 device wlan_ccmp # 802.11 CCMP support
260 device wlan_tkip # 802.11 TKIP support
261 device wlan_amrr # AMRR transmit rate control algorithm
262 device an # Aironet 4500/4800 802.11 wireless NICs.
263 device ath # Atheros NICs
264 device ath_pci # Atheros pci/cardbus glue
265 device ath_hal # pci/cardbus chip support
266 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
267 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
268 device ath_rate_sample # SampleRate tx rate control for ath
269 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
270 #device bwn # Broadcom BCM43xx wireless NICs.
271 device ipw # Intel 2100 wireless NICs.
272 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
273 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
274 device malo # Marvell Libertas wireless NICs.
275 device mwl # Marvell 88W8363 802.11n wireless NICs.
276 device ral # Ralink Technology RT2500 wireless NICs.
277 device wpi # Intel 3945ABG wireless NICs.
280 device crypto # core crypto support
281 device aesni # AES-NI OpenCrypto module
282 device loop # Network loopback
283 device padlock_rng # VIA Padlock RNG
284 device rdrand_rng # Intel Bull Mountain RNG
285 device ether # Ethernet support
286 device vlan # 802.1Q VLAN support
287 device tuntap # Packet tunnel.
288 device md # Memory "disks"
289 device gif # IPv6 and IPv4 tunneling
290 device firmware # firmware assist module
292 # The `bpf' device enables the Berkeley Packet Filter.
293 # Be aware of the administrative consequences of enabling this!
294 # Note that 'bpf' is required for DHCP.
295 device bpf # Berkeley packet filter
298 options USB_DEBUG # enable debug msgs
299 device uhci # UHCI PCI->USB interface
300 device ohci # OHCI PCI->USB interface
301 device ehci # EHCI PCI->USB interface (USB 2.0)
302 device xhci # XHCI PCI->USB interface (USB 3.0)
303 device usb # USB Bus (required)
304 device ukbd # Keyboard
305 device umass # Disks/Mass storage - Requires scbus and da
308 device sound # Generic sound driver (required)
309 device snd_cmi # CMedia CMI8338/CMI8738
310 device snd_csa # Crystal Semiconductor CS461x/428x
311 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
312 device snd_es137x # Ensoniq AudioPCI ES137x
313 device snd_hda # Intel High Definition Audio
314 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
315 device snd_via8233 # VIA VT8233x Audio
318 device mmc # MMC/SD bus
319 device mmcsd # MMC/SD memory card
320 device sdhci # Generic PCI SD Host Controller
321 device rtsx # Realtek SD card reader
324 device virtio # Generic VirtIO bus (required)
325 device virtio_pci # VirtIO PCI device
326 device vtnet # VirtIO Ethernet device
327 device virtio_blk # VirtIO Block device
328 device virtio_scsi # VirtIO SCSI device
329 device virtio_balloon # VirtIO Memory Balloon device
331 # Linux KVM paravirtualization support
332 device kvm_clock # KVM paravirtual clock driver
334 # HyperV drivers and enhancement support
335 # NOTE: HYPERV depends on hyperv. They must be added or removed together.
336 options HYPERV # Kernel support for HyperV drivers
337 device hyperv # HyperV drivers
339 # Xen HVM Guest Optimizations
340 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
341 options XENHVM # Xen HVM kernel infrastructure
342 device xenpci # Xen HVM Hypervisor services driver
345 options EVDEV_SUPPORT # evdev support in legacy drivers
346 device evdev # input event device support
347 device uinput # install /dev/uinput cdev
350 options HID_DEBUG # enable debug msgs
351 device hid # Generic HID support
352 options IICHID_SAMPLING # Workaround missing GPIO INTR support