xref: /freebsd/sys/i386/conf/GENERIC (revision f6a3b357e9be4c6423c85eff9a847163a0d307c8)
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# $FreeBSD$
20
21cpu		I486_CPU
22cpu		I586_CPU
23cpu		I686_CPU
24ident		GENERIC
25
26makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
27makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
28
29options 	SCHED_ULE		# ULE scheduler
30options 	PREEMPTION		# Enable kernel thread preemption
31options 	VIMAGE			# Subsystem virtualization, e.g. VNET
32options 	INET			# InterNETworking
33options 	INET6			# IPv6 communications protocols
34options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
35options 	TCP_HHOOK		# hhook(9) framework for TCP
36options 	TCP_OFFLOAD		# TCP offload
37options 	SCTP			# Stream Control Transmission Protocol
38options 	FFS			# Berkeley Fast Filesystem
39options 	SOFTUPDATES		# Enable FFS soft updates support
40options 	UFS_ACL			# Support for access control lists
41options 	UFS_DIRHASH		# Improve performance on big directories
42options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
43options 	QUOTA			# Enable disk quotas for UFS
44options 	MD_ROOT			# MD is a potential root device
45options 	NFSCL			# Network Filesystem Client
46options 	NFSD			# Network Filesystem Server
47options 	NFSLOCKD		# Network Lock Manager
48options 	NFS_ROOT		# NFS usable as /, requires NFSCL
49options 	MSDOSFS			# MSDOS Filesystem
50options 	CD9660			# ISO 9660 Filesystem
51options 	PROCFS			# Process filesystem (requires PSEUDOFS)
52options 	PSEUDOFS		# Pseudo-filesystem framework
53options 	GEOM_RAID		# Soft RAID functionality.
54options 	GEOM_LABEL		# Provides labelization
55options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
56options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
57options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
58options 	COMPAT_FREEBSD7		# Compatible with FreeBSD7
59options 	COMPAT_FREEBSD9		# Compatible with FreeBSD9
60options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
61options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
62options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
63options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
64options 	KTRACE			# ktrace(1) support
65options 	STACK			# stack(9) support
66options 	SYSVSHM			# SYSV-style shared memory
67options 	SYSVMSG			# SYSV-style message queues
68options 	SYSVSEM			# SYSV-style semaphores
69options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
70options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
71options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
72options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
73options 	AUDIT			# Security event auditing
74options 	CAPABILITY_MODE		# Capsicum capability mode
75options 	CAPABILITIES		# Capsicum capabilities
76options 	MAC			# TrustedBSD MAC Framework
77options 	KDTRACE_HOOKS		# Kernel DTrace hooks
78options 	DDB_CTF			# Kernel ELF linker loads CTF data
79options 	INCLUDE_CONFIG_FILE	# Include this file in kernel
80options 	RACCT			# Resource accounting framework
81options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
82options 	RCTL			# Resource limits
83
84# Debugging support.  Always need this:
85options 	KDB			# Enable kernel debugger support.
86options 	KDB_TRACE		# Print a stack trace for a panic.
87# For full debugger support use (turn off in stable branch):
88options 	DDB			# Support DDB.
89options 	GDB			# Support remote GDB.
90options 	DEADLKRES		# Enable the deadlock resolver
91options 	INVARIANTS		# Enable calls of extra sanity checking
92options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
93options 	WITNESS			# Enable checks to detect deadlocks and cycles
94options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
95options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
96options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
97
98# Kernel dump features.
99options 	EKCD			# Support for encrypted kernel dumps
100options 	GZIO			# gzip-compressed kernel and user dumps
101options 	ZSTDIO			# zstd-compressed kernel and user dumps
102options 	NETDUMP			# netdump(4) client support
103
104# To make an SMP kernel, the next two lines are needed
105options 	SMP			# Symmetric MultiProcessor Kernel
106device		apic			# I/O APIC
107options 	EARLY_AP_STARTUP
108
109# CPU frequency control
110device		cpufreq
111
112# Bus support.
113device		acpi
114device		pci
115options 	PCI_HP			# PCI-Express native HotPlug
116options		PCI_IOV			# PCI SR-IOV support
117
118# Floppy drives
119device		fdc
120
121# ATA controllers
122device		ahci			# AHCI-compatible SATA controllers
123device		ata			# Legacy ATA/SATA controllers
124device		mvs			# Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
125device		siis			# SiliconImage SiI3124/SiI3132/SiI3531 SATA
126
127# SCSI Controllers
128device		ahc			# AHA2940 and onboard AIC7xxx devices
129device		esp			# AMD Am53C974 (Tekram DC-390(T))
130device		hptiop			# Highpoint RocketRaid 3xxx series
131device		isp			# Qlogic family
132#device		ispfw			# Firmware for QLogic HBAs- normally a module
133device		mpt			# LSI-Logic MPT-Fusion
134device		mps			# LSI-Logic MPT-Fusion 2
135device		mpr			# LSI-Logic MPT-Fusion 3
136device		sym			# NCR/Symbios Logic
137device		trm			# Tekram DC395U/UW/F DC315U adapters
138device		isci			# Intel C600 SAS controller
139
140# ATA/SCSI peripherals
141device		scbus			# SCSI bus (required for ATA/SCSI)
142device		ch			# SCSI media changers
143device		da			# Direct Access (disks)
144device		sa			# Sequential Access (tape etc)
145device		cd			# CD
146device		pass			# Passthrough device (direct ATA/SCSI access)
147device		ses			# Enclosure Services (SES and SAF-TE)
148#device		ctl			# CAM Target Layer
149
150# RAID controllers interfaced to the SCSI subsystem
151device		amr			# AMI MegaRAID
152device		arcmsr			# Areca SATA II RAID
153device		ciss			# Compaq Smart RAID 5*
154device		hptmv			# Highpoint RocketRAID 182x
155device		hptnr			# Highpoint DC7280, R750
156device		hptrr			# Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
157device		hpt27xx			# Highpoint RocketRAID 27xx
158device		iir			# Intel Integrated RAID
159device		ips			# IBM (Adaptec) ServeRAID
160device		mly			# Mylex AcceleRAID/eXtremeRAID
161device		twa			# 3ware 9000 series PATA/SATA RAID
162device		tws			# LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
163
164# RAID controllers
165device		aac			# Adaptec FSA RAID
166device		aacp			# SCSI passthrough for aac (requires CAM)
167device		aacraid			# Adaptec by PMC RAID
168device		ida			# Compaq Smart RAID
169device		mfi			# LSI MegaRAID SAS
170device		mlx			# Mylex DAC960 family
171device		mrsas			# LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
172device		pmspcv			# PMC-Sierra SAS/SATA Controller driver
173device		pst			# Promise Supertrak SX6000
174device		twe			# 3ware ATA RAID
175
176# NVM Express (NVMe) support
177device		nvme			# base NVMe driver
178device		nvd			# expose NVMe namespace as disks, depends on nvme
179
180# atkbdc0 controls both the keyboard and the PS/2 mouse
181device		atkbdc			# AT keyboard controller
182device		atkbd			# AT keyboard
183device		psm			# PS/2 mouse
184
185device		kbdmux			# keyboard multiplexer
186
187device		vga			# VGA video card driver
188options 	VESA			# Add support for VESA BIOS Extensions (VBE)
189
190device		splash			# Splash screen and screen saver support
191
192# syscons is the default console driver, resembling an SCO console
193device		sc
194options 	SC_PIXEL_MODE		# add support for the raster text mode
195
196# vt is the new video console driver
197device		vt
198device		vt_vga
199
200device		agp			# support several AGP chipsets
201
202# Power management support (see NOTES for more options)
203#device		apm
204
205# PCCARD (PCMCIA) support
206# PCMCIA and cardbus bridge support
207device		cbb			# cardbus (yenta) bridge
208device		pccard			# PC Card (16-bit) bus
209device		cardbus			# CardBus (32-bit) bus
210
211# Serial (COM) ports
212device		uart			# Generic UART driver
213
214# Parallel port
215device		ppc
216device		ppbus			# Parallel port bus (required)
217device		lpt			# Printer
218device		ppi			# Parallel port interface device
219#device		vpo			# Requires scbus and da
220
221device		puc			# Multi I/O cards and multi-channel UARTs
222
223# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
224device		iflib
225device		em			# Intel PRO/1000 Gigabit Ethernet Family
226device		vmx			# VMware VMXNET3 Ethernet
227
228# PCI Ethernet NICs.
229device		bxe			# Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
230device		le			# AMD Am7900 LANCE and Am79C9xx PCnet
231device		ti			# Alteon Networks Tigon I/II gigabit Ethernet
232
233# PCI Ethernet NICs that use the common MII bus controller code.
234# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
235device		miibus			# MII bus support
236device		ae			# Attansic/Atheros L2 FastEthernet
237device		age			# Attansic/Atheros L1 Gigabit Ethernet
238device		alc			# Atheros AR8131/AR8132 Ethernet
239device		ale			# Atheros AR8121/AR8113/AR8114 Ethernet
240device		bce			# Broadcom BCM5706/BCM5708 Gigabit Ethernet
241device		bfe			# Broadcom BCM440x 10/100 Ethernet
242device		bge			# Broadcom BCM570xx Gigabit Ethernet
243device		cas			# Sun Cassini/Cassini+ and NS DP83065 Saturn
244device		dc			# DEC/Intel 21143 and various workalikes
245device		et			# Agere ET1310 10/100/Gigabit Ethernet
246device		fxp			# Intel EtherExpress PRO/100B (82557, 82558)
247device		gem			# Sun GEM/Sun ERI/Apple GMAC
248device		hme			# Sun HME (Happy Meal Ethernet)
249device		jme			# JMicron JMC250 Gigabit/JMC260 Fast Ethernet
250device		lge			# Level 1 LXT1001 gigabit Ethernet
251device		msk			# Marvell/SysKonnect Yukon II Gigabit Ethernet
252device		nfe			# nVidia nForce MCP on-board Ethernet
253device		nge			# NatSemi DP83820 gigabit Ethernet
254device		re			# RealTek 8139C+/8169/8169S/8110S
255device		rl			# RealTek 8129/8139
256device		sge			# Silicon Integrated Systems SiS190/191
257device		sis			# Silicon Integrated Systems SiS 900/SiS 7016
258device		sk			# SysKonnect SK-984x & SK-982x gigabit Ethernet
259device		ste			# Sundance ST201 (D-Link DFE-550TX)
260device		stge			# Sundance/Tamarack TC9021 gigabit Ethernet
261device		vge			# VIA VT612x gigabit Ethernet
262device		vr			# VIA Rhine, Rhine II
263device		vte			# DM&P Vortex86 RDC R6040 Fast Ethernet
264device		xl			# 3Com 3c90x (``Boomerang'', ``Cyclone'')
265
266# Wireless NIC cards
267device		wlan			# 802.11 support
268options 	IEEE80211_DEBUG		# enable debug msgs
269options 	IEEE80211_SUPPORT_MESH	# enable 802.11s draft support
270device		wlan_wep		# 802.11 WEP support
271device		wlan_ccmp		# 802.11 CCMP support
272device		wlan_tkip		# 802.11 TKIP support
273device		wlan_amrr		# AMRR transmit rate control algorithm
274device		an			# Aironet 4500/4800 802.11 wireless NICs.
275device		ath			# Atheros NICs
276device		ath_pci			# Atheros pci/cardbus glue
277device		ath_hal			# pci/cardbus chip support
278options 	AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
279options 	ATH_ENABLE_11N		# Enable 802.11n support for AR5416 and later
280device		ath_rate_sample		# SampleRate tx rate control for ath
281#device		bwi			# Broadcom BCM430x/BCM431x wireless NICs.
282#device		bwn			# Broadcom BCM43xx wireless NICs.
283device		ipw			# Intel 2100 wireless NICs.
284device		iwi			# Intel 2200BG/2225BG/2915ABG wireless NICs.
285device		iwn			# Intel 4965/1000/5000/6000 wireless NICs.
286device		malo			# Marvell Libertas wireless NICs.
287device		mwl			# Marvell 88W8363 802.11n wireless NICs.
288device		ral			# Ralink Technology RT2500 wireless NICs.
289device		wi			# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
290device		wpi			# Intel 3945ABG wireless NICs.
291
292# Pseudo devices.
293device		crypto			# core crypto support
294device		loop			# Network loopback
295device		padlock_rng		# VIA Padlock RNG
296device		rdrand_rng		# Intel Bull Mountain RNG
297device		ether			# Ethernet support
298device		vlan			# 802.1Q VLAN support
299device		tuntap			# Packet tunnel.
300device		md			# Memory "disks"
301device		gif			# IPv6 and IPv4 tunneling
302device		firmware		# firmware assist module
303
304# The `bpf' device enables the Berkeley Packet Filter.
305# Be aware of the administrative consequences of enabling this!
306# Note that 'bpf' is required for DHCP.
307device		bpf			# Berkeley packet filter
308
309# USB support
310options 	USB_DEBUG		# enable debug msgs
311device		uhci			# UHCI PCI->USB interface
312device		ohci			# OHCI PCI->USB interface
313device		ehci			# EHCI PCI->USB interface (USB 2.0)
314device		xhci			# XHCI PCI->USB interface (USB 3.0)
315device		usb			# USB Bus (required)
316device		ukbd			# Keyboard
317device		umass			# Disks/Mass storage - Requires scbus and da
318
319# Sound support
320device		sound			# Generic sound driver (required)
321device		snd_cmi			# CMedia CMI8338/CMI8738
322device		snd_csa			# Crystal Semiconductor CS461x/428x
323device		snd_emu10kx		# Creative SoundBlaster Live! and Audigy
324device		snd_es137x		# Ensoniq AudioPCI ES137x
325device		snd_hda			# Intel High Definition Audio
326device		snd_ich			# Intel, NVidia and other ICH AC'97 Audio
327device		snd_via8233		# VIA VT8233x Audio
328
329# MMC/SD
330device		mmc			# MMC/SD bus
331device		mmcsd			# MMC/SD memory card
332device		sdhci			# Generic PCI SD Host Controller
333
334# VirtIO support
335device		virtio			# Generic VirtIO bus (required)
336device		virtio_pci		# VirtIO PCI device
337device		vtnet			# VirtIO Ethernet device
338device		virtio_blk		# VirtIO Block device
339device		virtio_scsi		# VirtIO SCSI device
340device		virtio_balloon		# VirtIO Memory Balloon device
341
342# HyperV drivers and enchancement support
343device		hyperv			# HyperV drivers
344
345# Xen HVM Guest Optimizations
346# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
347options 	XENHVM			# Xen HVM kernel infrastructure
348device		xenpci			# Xen HVM Hypervisor services driver
349
350# evdev interface
351options 	EVDEV_SUPPORT		# evdev support in legacy drivers
352device		evdev			# input event device support
353device		uinput			# install /dev/uinput cdev
354