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 # https://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 (https://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: releng/12.0/sys/i386/conf/GENERIC 339704 2018-10-25 05:18:25Z imp $
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 VIMAGE # Subsystem virtualization, e.g. VNET
32 options INET # InterNETworking
33 options INET6 # IPv6 communications protocols
34 options IPSEC # IP (v4/v6) security
35 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5
36 options TCP_HHOOK # hhook(9) framework for TCP
37 options TCP_OFFLOAD # TCP offload
38 options SCTP # Stream Control Transmission Protocol
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 GEOM_RAID # Soft RAID functionality.
55 options GEOM_LABEL # Provides labelization
56 options COMPAT_FREEBSD4 # Compatible with FreeBSD4
57 options COMPAT_FREEBSD5 # Compatible with FreeBSD5
58 options COMPAT_FREEBSD6 # Compatible with FreeBSD6
59 options COMPAT_FREEBSD7 # Compatible with FreeBSD7
60 options COMPAT_FREEBSD9 # Compatible with FreeBSD9
61 options COMPAT_FREEBSD10 # Compatible with FreeBSD10
62 options COMPAT_FREEBSD11 # Compatible with FreeBSD11
63 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
64 options KTRACE # ktrace(1) support
65 options STACK # stack(9) support
66 options SYSVSHM # SYSV-style shared memory
67 options SYSVMSG # SYSV-style message queues
68 options SYSVSEM # SYSV-style semaphores
69 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
70 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
71 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
72 options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
73 options AUDIT # Security event auditing
74 options CAPABILITY_MODE # Capsicum capability mode
75 options CAPABILITIES # Capsicum capabilities
76 options MAC # TrustedBSD MAC Framework
77 options KDTRACE_HOOKS # Kernel DTrace hooks
78 options DDB_CTF # Kernel ELF linker loads CTF data
79 options INCLUDE_CONFIG_FILE # Include this file in kernel
80 options RACCT # Resource accounting framework
81 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
82 options RCTL # Resource limits
83
84 # Debugging support. Always need this:
85 options KDB # Enable kernel debugger support.
86 options KDB_TRACE # Print a stack trace for a panic.
87
88 # Kernel dump features.
89 options EKCD # Support for encrypted kernel dumps
90 options GZIO # gzip-compressed kernel and user dumps
91 options ZSTDIO # zstd-compressed kernel and user dumps
92 options NETDUMP # netdump(4) client support
93
94 # To make an SMP kernel, the next two lines are needed
95 options SMP # Symmetric MultiProcessor Kernel
96 device apic # I/O APIC
97 options EARLY_AP_STARTUP
98
99 # CPU frequency control
100 device cpufreq
101
102 # Bus support.
103 device acpi
104 device pci
105 options PCI_HP # PCI-Express native HotPlug
106 options PCI_IOV # PCI SR-IOV support
107
108 # Floppy drives
109 device fdc
110
111 # ATA controllers
112 device ahci # AHCI-compatible SATA controllers
113 device ata # Legacy ATA/SATA controllers
114 device mvs # Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
115 device siis # SiliconImage SiI3124/SiI3132/SiI3531 SATA
116
117 # SCSI Controllers
118 device ahc # AHA2940 and onboard AIC7xxx devices
119 device esp # AMD Am53C974 (Tekram DC-390(T))
120 device hptiop # Highpoint RocketRaid 3xxx series
121 device isp # Qlogic family
122 #device ispfw # Firmware for QLogic HBAs- normally a module
123 device mpt # LSI-Logic MPT-Fusion
124 device mps # LSI-Logic MPT-Fusion 2
125 device mpr # LSI-Logic MPT-Fusion 3
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
129 device isci # Intel C600 SAS controller
130
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)
136 device cd # CD
137 device pass # Passthrough device (direct ATA/SCSI access)
138 device ses # Enclosure Services (SES and SAF-TE)
139 #device ctl # CAM Target Layer
140
141 # RAID controllers interfaced to the SCSI subsystem
142 device amr # AMI MegaRAID
143 device arcmsr # Areca SATA II RAID
144 device ciss # Compaq Smart RAID 5*
145 device dpt # DPT Smartcache III, IV - See NOTES for options
146 device hptmv # Highpoint RocketRAID 182x
147 device hptnr # Highpoint DC7280, R750
148 device hptrr # Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
149 device hpt27xx # Highpoint RocketRAID 27xx
150 device iir # Intel Integrated RAID
151 device ips # IBM (Adaptec) ServeRAID
152 device mly # Mylex AcceleRAID/eXtremeRAID
153 device twa # 3ware 9000 series PATA/SATA RAID
154 device tws # LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
155
156 # RAID controllers
157 device aac # Adaptec FSA RAID
158 device aacp # SCSI passthrough for aac (requires CAM)
159 device aacraid # Adaptec by PMC RAID
160 device ida # Compaq Smart RAID
161 device mfi # LSI MegaRAID SAS
162 device mlx # Mylex DAC960 family
163 device mrsas # LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
164 device pmspcv # PMC-Sierra SAS/SATA Controller driver
165 device pst # Promise Supertrak SX6000
166 device twe # 3ware ATA RAID
167
168 # NVM Express (NVMe) support
169 device nvme # base NVMe driver
170 device nvd # expose NVMe namespace as disks, depends on nvme
171
172 # atkbdc0 controls both the keyboard and the PS/2 mouse
173 device atkbdc # AT keyboard controller
174 device atkbd # AT keyboard
175 device psm # PS/2 mouse
176
177 device kbdmux # keyboard multiplexer
178
179 device vga # VGA video card driver
180 options VESA # Add support for VESA BIOS Extensions (VBE)
181
182 device splash # Splash screen and screen saver support
183
184 # syscons is the default console driver, resembling an SCO console
185 device sc
186 options SC_PIXEL_MODE # add support for the raster text mode
187
188 # vt is the new video console driver
189 device vt
190 device vt_vga
191
192 device agp # support several AGP chipsets
193
194 # Power management support (see NOTES for more options)
195 #device apm
196
197 # PCCARD (PCMCIA) support
198 # PCMCIA and cardbus bridge support
199 device cbb # cardbus (yenta) bridge
200 device pccard # PC Card (16-bit) bus
201 device cardbus # CardBus (32-bit) bus
202
203 # Serial (COM) ports
204 device uart # Generic UART driver
205
206 # Parallel port
207 device ppc
208 device ppbus # Parallel port bus (required)
209 device lpt # Printer
210 device ppi # Parallel port interface device
211 #device vpo # Requires scbus and da
212
213 device puc # Multi I/O cards and multi-channel UARTs
214
215 # PCI Ethernet NICs.
216 device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
217 device de # DEC/Intel DC21x4x (``Tulip'')
218 device em # Intel PRO/1000 Gigabit Ethernet Family
219 device le # AMD Am7900 LANCE and Am79C9xx PCnet
220 device ti # Alteon Networks Tigon I/II gigabit Ethernet
221 device txp # 3Com 3cR990 (``Typhoon'')
222 device vx # 3Com 3c590, 3c595 (``Vortex'')
223
224 # PCI Ethernet NICs that use the common MII bus controller code.
225 # NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
226 device miibus # MII bus support
227 device ae # Attansic/Atheros L2 FastEthernet
228 device age # Attansic/Atheros L1 Gigabit Ethernet
229 device alc # Atheros AR8131/AR8132 Ethernet
230 device ale # Atheros AR8121/AR8113/AR8114 Ethernet
231 device bce # Broadcom BCM5706/BCM5708 Gigabit Ethernet
232 device bfe # Broadcom BCM440x 10/100 Ethernet
233 device bge # Broadcom BCM570xx Gigabit Ethernet
234 device cas # Sun Cassini/Cassini+ and NS DP83065 Saturn
235 device dc # DEC/Intel 21143 and various workalikes
236 device et # Agere ET1310 10/100/Gigabit Ethernet
237 device fxp # Intel EtherExpress PRO/100B (82557, 82558)
238 device gem # Sun GEM/Sun ERI/Apple GMAC
239 device hme # Sun HME (Happy Meal Ethernet)
240 device jme # JMicron JMC250 Gigabit/JMC260 Fast Ethernet
241 device lge # Level 1 LXT1001 gigabit Ethernet
242 device msk # Marvell/SysKonnect Yukon II Gigabit Ethernet
243 device nfe # nVidia nForce MCP on-board Ethernet
244 device nge # NatSemi DP83820 gigabit Ethernet
245 device pcn # AMD Am79C97x PCI 10/100 (precedence over 'le')
246 device re # RealTek 8139C+/8169/8169S/8110S
247 device rl # RealTek 8129/8139
248 device sf # Adaptec AIC-6915 (``Starfire'')
249 device sge # Silicon Integrated Systems SiS190/191
250 device sis # Silicon Integrated Systems SiS 900/SiS 7016
251 device sk # SysKonnect SK-984x & SK-982x gigabit Ethernet
252 device ste # Sundance ST201 (D-Link DFE-550TX)
253 device stge # Sundance/Tamarack TC9021 gigabit Ethernet
254 device tl # Texas Instruments ThunderLAN
255 device tx # SMC EtherPower II (83c170 ``EPIC'')
256 device vge # VIA VT612x gigabit Ethernet
257 device vr # VIA Rhine, Rhine II
258 device vte # DM&P Vortex86 RDC R6040 Fast Ethernet
259 device wb # Winbond W89C840F
260 device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
261
262 # ISA Ethernet NICs. pccard NICs included.
263 device cs # Crystal Semiconductor CS89x0 NIC
264 # 'device ed' requires 'device miibus'
265 device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards
266 device ex # Intel EtherExpress Pro/10 and Pro/10+
267 device ep # Etherlink III based cards
268 device fe # Fujitsu MB8696x based cards
269 device sn # SMC's 9000 series of Ethernet chips
270 device xe # Xircom pccard Ethernet
271
272 # Wireless NIC cards
273 device wlan # 802.11 support
274 options IEEE80211_DEBUG # enable debug msgs
275 options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
276 options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
277 device wlan_wep # 802.11 WEP support
278 device wlan_ccmp # 802.11 CCMP support
279 device wlan_tkip # 802.11 TKIP support
280 device wlan_amrr # AMRR transmit rate control algorithm
281 device an # Aironet 4500/4800 802.11 wireless NICs.
282 device ath # Atheros NICs
283 device ath_pci # Atheros pci/cardbus glue
284 device ath_hal # pci/cardbus chip support
285 options AH_SUPPORT_AR5416 # enable AR5416 tx/rx descriptors
286 options AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
287 options ATH_ENABLE_11N # Enable 802.11n support for AR5416 and later
288 device ath_rate_sample # SampleRate tx rate control for ath
289 #device bwi # Broadcom BCM430x/BCM431x wireless NICs.
290 #device bwn # Broadcom BCM43xx wireless NICs.
291 device ipw # Intel 2100 wireless NICs.
292 device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs.
293 device iwn # Intel 4965/1000/5000/6000 wireless NICs.
294 device malo # Marvell Libertas wireless NICs.
295 device mwl # Marvell 88W8363 802.11n wireless NICs.
296 device ral # Ralink Technology RT2500 wireless NICs.
297 device wi # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
298 device wpi # Intel 3945ABG wireless NICs.
299
300 # Pseudo devices.
301 device crypto # core crypto support
302 device loop # Network loopback
303 device random # Entropy device
304 device padlock_rng # VIA Padlock RNG
305 device rdrand_rng # Intel Bull Mountain RNG
306 device ether # Ethernet support
307 device vlan # 802.1Q VLAN support
308 device tun # Packet tunnel.
309 device md # Memory "disks"
310 device gif # IPv6 and IPv4 tunneling
311 device firmware # firmware assist module
312
313 # The `bpf' device enables the Berkeley Packet Filter.
314 # Be aware of the administrative consequences of enabling this!
315 # Note that 'bpf' is required for DHCP.
316 device bpf # Berkeley packet filter
317
318 # USB support
319 options USB_DEBUG # enable debug msgs
320 device uhci # UHCI PCI->USB interface
321 device ohci # OHCI PCI->USB interface
322 device ehci # EHCI PCI->USB interface (USB 2.0)
323 device xhci # XHCI PCI->USB interface (USB 3.0)
324 device usb # USB Bus (required)
325 device ukbd # Keyboard
326 device umass # Disks/Mass storage - Requires scbus and da
327
328 # Sound support
329 device sound # Generic sound driver (required)
330 device snd_cmi # CMedia CMI8338/CMI8738
331 device snd_csa # Crystal Semiconductor CS461x/428x
332 device snd_emu10kx # Creative SoundBlaster Live! and Audigy
333 device snd_es137x # Ensoniq AudioPCI ES137x
334 device snd_hda # Intel High Definition Audio
335 device snd_ich # Intel, NVidia and other ICH AC'97 Audio
336 device snd_via8233 # VIA VT8233x Audio
337
338 # MMC/SD
339 device mmc # MMC/SD bus
340 device mmcsd # MMC/SD memory card
341 device sdhci # Generic PCI SD Host Controller
342
343 # VirtIO support
344 device virtio # Generic VirtIO bus (required)
345 device virtio_pci # VirtIO PCI device
346 device vtnet # VirtIO Ethernet device
347 device virtio_blk # VirtIO Block device
348 device virtio_scsi # VirtIO SCSI device
349 device virtio_balloon # VirtIO Memory Balloon device
350
351 # HyperV drivers and enchancement support
352 device hyperv # HyperV drivers
353
354 # Xen HVM Guest Optimizations
355 # NOTE: XENHVM depends on xenpci. They must be added or removed together.
356 options XENHVM # Xen HVM kernel infrastructure
357 device xenpci # Xen HVM Hypervisor services driver
358
359 # VMware support
360 device vmx # VMware VMXNET3 Ethernet
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