xref: /freebsd/sys/amd64/conf/GENERIC (revision f6a3b357e9be4c6423c85eff9a847163a0d307c8)
1#
2# GENERIC -- Generic kernel configuration file for FreeBSD/amd64
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		HAMMER
22ident		GENERIC
23
24makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
25makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
26
27options 	SCHED_ULE		# ULE scheduler
28options 	NUMA			# Non-Uniform Memory Architecture support
29options 	PREEMPTION		# Enable kernel thread preemption
30options 	VIMAGE			# Subsystem virtualization, e.g. VNET
31options 	INET			# InterNETworking
32options 	INET6			# IPv6 communications protocols
33options 	IPSEC_SUPPORT		# Allow kldload of ipsec and tcpmd5
34options 	TCP_OFFLOAD		# TCP offload
35options 	TCP_BLACKBOX		# Enhanced TCP event logging
36options 	TCP_HHOOK		# hhook(9) framework for TCP
37options		TCP_RFC7413		# TCP Fast Open
38options 	SCTP			# Stream Control Transmission Protocol
39options 	FFS			# Berkeley Fast Filesystem
40options 	SOFTUPDATES		# Enable FFS soft updates support
41options 	UFS_ACL			# Support for access control lists
42options 	UFS_DIRHASH		# Improve performance on big directories
43options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
44options 	QUOTA			# Enable disk quotas for UFS
45options 	MD_ROOT			# MD is a potential root device
46options 	NFSCL			# Network Filesystem Client
47options 	NFSD			# Network Filesystem Server
48options 	NFSLOCKD		# Network Lock Manager
49options 	NFS_ROOT		# NFS usable as /, requires NFSCL
50options 	MSDOSFS			# MSDOS Filesystem
51options 	CD9660			# ISO 9660 Filesystem
52options 	PROCFS			# Process filesystem (requires PSEUDOFS)
53options 	PSEUDOFS		# Pseudo-filesystem framework
54options 	GEOM_RAID		# Soft RAID functionality.
55options 	GEOM_LABEL		# Provides labelization
56options 	EFIRT			# EFI Runtime Services support
57options 	COMPAT_FREEBSD32	# Compatible with i386 binaries
58options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
59options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
60options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
61options 	COMPAT_FREEBSD7		# Compatible with FreeBSD7
62options 	COMPAT_FREEBSD9		# Compatible with FreeBSD9
63options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
64options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
65options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
66options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
67options 	KTRACE			# ktrace(1) support
68options 	STACK			# stack(9) support
69options 	SYSVSHM			# SYSV-style shared memory
70options 	SYSVMSG			# SYSV-style message queues
71options 	SYSVSEM			# SYSV-style semaphores
72options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
73options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
74options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
75options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
76options 	AUDIT			# Security event auditing
77options 	CAPABILITY_MODE		# Capsicum capability mode
78options 	CAPABILITIES		# Capsicum capabilities
79options 	MAC			# TrustedBSD MAC Framework
80options 	KDTRACE_FRAME		# Ensure frames are compiled in
81options 	KDTRACE_HOOKS		# Kernel DTrace hooks
82options 	DDB_CTF			# Kernel ELF linker loads CTF data
83options 	INCLUDE_CONFIG_FILE	# Include this file in kernel
84options 	RACCT			# Resource accounting framework
85options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
86options 	RCTL			# Resource limits
87
88# Debugging support.  Always need this:
89options 	KDB			# Enable kernel debugger support.
90options 	KDB_TRACE		# Print a stack trace for a panic.
91# For full debugger support use (turn off in stable branch):
92options 	BUF_TRACKING		# Track buffer history
93options 	DDB			# Support DDB.
94options 	FULL_BUF_TRACKING	# Track more buffer history
95options 	GDB			# Support remote GDB.
96options 	DEADLKRES		# Enable the deadlock resolver
97options 	INVARIANTS		# Enable calls of extra sanity checking
98options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
99options 	WITNESS			# Enable checks to detect deadlocks and cycles
100options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
101options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
102options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
103
104# Kernel Sanitizers
105#options 	COVERAGE		# Generic kernel coverage. Used by KCOV
106#options 	KCOV			# Kernel Coverage Sanitizer
107# Warning: KUBSAN can result in a kernel too large for loader to load
108#options 	KUBSAN			# Kernel Undefined Behavior Sanitizer
109
110# Kernel dump features.
111options 	EKCD			# Support for encrypted kernel dumps
112options 	GZIO			# gzip-compressed kernel and user dumps
113options 	ZSTDIO			# zstd-compressed kernel and user dumps
114options 	NETDUMP			# netdump(4) client support
115
116# Make an SMP-capable kernel by default
117options 	SMP			# Symmetric MultiProcessor Kernel
118options 	EARLY_AP_STARTUP
119
120# CPU frequency control
121device		cpufreq
122
123# Bus support.
124device		acpi
125options 	ACPI_DMAR
126device		pci
127options 	PCI_HP			# PCI-Express native HotPlug
128options		PCI_IOV			# PCI SR-IOV support
129
130# Floppy drives
131device		fdc
132
133# ATA controllers
134device		ahci			# AHCI-compatible SATA controllers
135device		ata			# Legacy ATA/SATA controllers
136device		mvs			# Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
137device		siis			# SiliconImage SiI3124/SiI3132/SiI3531 SATA
138
139# SCSI Controllers
140device		ahc			# AHA2940 and onboard AIC7xxx devices
141device		ahd			# AHA39320/29320 and onboard AIC79xx devices
142device		esp			# AMD Am53C974 (Tekram DC-390(T))
143device		hptiop			# Highpoint RocketRaid 3xxx series
144device		isp			# Qlogic family
145#device		ispfw			# Firmware for QLogic HBAs- normally a module
146device		mpt			# LSI-Logic MPT-Fusion
147device		mps			# LSI-Logic MPT-Fusion 2
148device		mpr			# LSI-Logic MPT-Fusion 3
149device		sym			# NCR/Symbios Logic
150device		trm			# Tekram DC395U/UW/F DC315U adapters
151device		isci			# Intel C600 SAS controller
152device		ocs_fc			# Emulex FC adapters
153
154# ATA/SCSI peripherals
155device		scbus			# SCSI bus (required for ATA/SCSI)
156device		ch			# SCSI media changers
157device		da			# Direct Access (disks)
158device		sa			# Sequential Access (tape etc)
159device		cd			# CD
160device		pass			# Passthrough device (direct ATA/SCSI access)
161device		ses			# Enclosure Services (SES and SAF-TE)
162#device		ctl			# CAM Target Layer
163
164# RAID controllers interfaced to the SCSI subsystem
165device		amr			# AMI MegaRAID
166device		arcmsr			# Areca SATA II RAID
167device		ciss			# Compaq Smart RAID 5*
168device		hptmv			# Highpoint RocketRAID 182x
169device		hptnr			# Highpoint DC7280, R750
170device		hptrr			# Highpoint RocketRAID 17xx, 22xx, 23xx, 25xx
171device		hpt27xx			# Highpoint RocketRAID 27xx
172device		iir			# Intel Integrated RAID
173device		ips			# IBM (Adaptec) ServeRAID
174device		mly			# Mylex AcceleRAID/eXtremeRAID
175device		twa			# 3ware 9000 series PATA/SATA RAID
176device		smartpqi		# Microsemi smartpqi driver
177device		tws			# LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
178
179# RAID controllers
180device		aac			# Adaptec FSA RAID
181device		aacp			# SCSI passthrough for aac (requires CAM)
182device		aacraid			# Adaptec by PMC RAID
183device		ida			# Compaq Smart RAID
184device		mfi			# LSI MegaRAID SAS
185device		mlx			# Mylex DAC960 family
186device		mrsas			# LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
187device		pmspcv			# PMC-Sierra SAS/SATA Controller driver
188#XXX pointer/int warnings
189#device		pst			# Promise Supertrak SX6000
190device		twe			# 3ware ATA RAID
191
192# NVM Express (NVMe) support
193device		nvme			# base NVMe driver
194device		nvd			# expose NVMe namespaces as disks, depends on nvme
195
196# atkbdc0 controls both the keyboard and the PS/2 mouse
197device		atkbdc			# AT keyboard controller
198device		atkbd			# AT keyboard
199device		psm			# PS/2 mouse
200
201device		kbdmux			# keyboard multiplexer
202
203device		vga			# VGA video card driver
204options 	VESA			# Add support for VESA BIOS Extensions (VBE)
205
206device		splash			# Splash screen and screen saver support
207
208# syscons is the default console driver, resembling an SCO console
209device		sc
210options 	SC_PIXEL_MODE		# add support for the raster text mode
211
212# vt is the new video console driver
213device		vt
214device		vt_vga
215device		vt_efifb
216
217device		agp			# support several AGP chipsets
218
219# PCCARD (PCMCIA) support
220# PCMCIA and cardbus bridge support
221device		cbb			# cardbus (yenta) bridge
222device		pccard			# PC Card (16-bit) bus
223device		cardbus			# CardBus (32-bit) bus
224
225# Serial (COM) ports
226device		uart			# Generic UART driver
227
228# Parallel port
229device		ppc
230device		ppbus			# Parallel port bus (required)
231device		lpt			# Printer
232device		ppi			# Parallel port interface device
233#device		vpo			# Requires scbus and da
234
235device		puc			# Multi I/O cards and multi-channel UARTs
236
237# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
238device		iflib
239device		em			# Intel PRO/1000 Gigabit Ethernet Family
240device		ix			# Intel PRO/10GbE PCIE PF Ethernet
241device		ixv			# Intel PRO/10GbE PCIE VF Ethernet
242device		ixl			# Intel 700 Series Physical Function
243device		iavf			# Intel Adaptive Virtual Function
244device		vmx			# VMware VMXNET3 Ethernet
245
246# PCI Ethernet NICs.
247device		bxe			# Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
248device		le			# AMD Am7900 LANCE and Am79C9xx PCnet
249device		ti			# Alteon Networks Tigon I/II gigabit Ethernet
250
251# PCI Ethernet NICs that use the common MII bus controller code.
252# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
253device		miibus			# MII bus support
254device		ae			# Attansic/Atheros L2 FastEthernet
255device		age			# Attansic/Atheros L1 Gigabit Ethernet
256device		alc			# Atheros AR8131/AR8132 Ethernet
257device		ale			# Atheros AR8121/AR8113/AR8114 Ethernet
258device		bce			# Broadcom BCM5706/BCM5708 Gigabit Ethernet
259device		bfe			# Broadcom BCM440x 10/100 Ethernet
260device		bge			# Broadcom BCM570xx Gigabit Ethernet
261device		cas			# Sun Cassini/Cassini+ and NS DP83065 Saturn
262device		dc			# DEC/Intel 21143 and various workalikes
263device		et			# Agere ET1310 10/100/Gigabit Ethernet
264device		fxp			# Intel EtherExpress PRO/100B (82557, 82558)
265device		gem			# Sun GEM/Sun ERI/Apple GMAC
266device		hme			# Sun HME (Happy Meal Ethernet)
267device		jme			# JMicron JMC250 Gigabit/JMC260 Fast Ethernet
268device		lge			# Level 1 LXT1001 gigabit Ethernet
269device		msk			# Marvell/SysKonnect Yukon II Gigabit Ethernet
270device		nfe			# nVidia nForce MCP on-board Ethernet
271device		nge			# NatSemi DP83820 gigabit Ethernet
272device		re			# RealTek 8139C+/8169/8169S/8110S
273device		rl			# RealTek 8129/8139
274device		sge			# Silicon Integrated Systems SiS190/191
275device		sis			# Silicon Integrated Systems SiS 900/SiS 7016
276device		sk			# SysKonnect SK-984x & SK-982x gigabit Ethernet
277device		ste			# Sundance ST201 (D-Link DFE-550TX)
278device		stge			# Sundance/Tamarack TC9021 gigabit Ethernet
279device		vge			# VIA VT612x gigabit Ethernet
280device		vr			# VIA Rhine, Rhine II
281device		xl			# 3Com 3c90x (``Boomerang'', ``Cyclone'')
282
283# Wireless NIC cards
284device		wlan			# 802.11 support
285options 	IEEE80211_DEBUG		# enable debug msgs
286options 	IEEE80211_SUPPORT_MESH	# enable 802.11s draft support
287device		wlan_wep		# 802.11 WEP support
288device		wlan_ccmp		# 802.11 CCMP support
289device		wlan_tkip		# 802.11 TKIP support
290device		wlan_amrr		# AMRR transmit rate control algorithm
291device		an			# Aironet 4500/4800 802.11 wireless NICs.
292device		ath			# Atheros NICs
293device		ath_pci			# Atheros pci/cardbus glue
294device		ath_hal			# pci/cardbus chip support
295options 	AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
296options 	ATH_ENABLE_11N		# Enable 802.11n support for AR5416 and later
297device		ath_rate_sample		# SampleRate tx rate control for ath
298#device		bwi			# Broadcom BCM430x/BCM431x wireless NICs.
299#device		bwn			# Broadcom BCM43xx wireless NICs.
300device		ipw			# Intel 2100 wireless NICs.
301device		iwi			# Intel 2200BG/2225BG/2915ABG wireless NICs.
302device		iwn			# Intel 4965/1000/5000/6000 wireless NICs.
303device		malo			# Marvell Libertas wireless NICs.
304device		mwl			# Marvell 88W8363 802.11n wireless NICs.
305device		ral			# Ralink Technology RT2500 wireless NICs.
306device		wi			# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
307device		wpi			# Intel 3945ABG wireless NICs.
308
309# Pseudo devices.
310device		crypto			# core crypto support
311device		loop			# Network loopback
312device		padlock_rng		# VIA Padlock RNG
313device		rdrand_rng		# Intel Bull Mountain RNG
314device		ether			# Ethernet support
315device		vlan			# 802.1Q VLAN support
316device		tuntap			# Packet tunnel.
317device		md			# Memory "disks"
318device		gif			# IPv6 and IPv4 tunneling
319device		firmware		# firmware assist module
320
321# The `bpf' device enables the Berkeley Packet Filter.
322# Be aware of the administrative consequences of enabling this!
323# Note that 'bpf' is required for DHCP.
324device		bpf			# Berkeley packet filter
325
326# USB support
327options 	USB_DEBUG		# enable debug msgs
328device		uhci			# UHCI PCI->USB interface
329device		ohci			# OHCI PCI->USB interface
330device		ehci			# EHCI PCI->USB interface (USB 2.0)
331device		xhci			# XHCI PCI->USB interface (USB 3.0)
332device		usb			# USB Bus (required)
333device		ukbd			# Keyboard
334device		umass			# Disks/Mass storage - Requires scbus and da
335
336# Sound support
337device		sound			# Generic sound driver (required)
338device		snd_cmi			# CMedia CMI8338/CMI8738
339device		snd_csa			# Crystal Semiconductor CS461x/428x
340device		snd_emu10kx		# Creative SoundBlaster Live! and Audigy
341device		snd_es137x		# Ensoniq AudioPCI ES137x
342device		snd_hda			# Intel High Definition Audio
343device		snd_ich			# Intel, NVidia and other ICH AC'97 Audio
344device		snd_via8233		# VIA VT8233x Audio
345
346# MMC/SD
347device		mmc			# MMC/SD bus
348device		mmcsd			# MMC/SD memory card
349device		sdhci			# Generic PCI SD Host Controller
350
351# VirtIO support
352device		virtio			# Generic VirtIO bus (required)
353device		virtio_pci		# VirtIO PCI device
354device		vtnet			# VirtIO Ethernet device
355device		virtio_blk		# VirtIO Block device
356device		virtio_scsi		# VirtIO SCSI device
357device		virtio_balloon		# VirtIO Memory Balloon device
358
359# HyperV drivers and enhancement support
360device		hyperv			# HyperV drivers
361
362# Xen HVM Guest Optimizations
363# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
364options 	XENHVM			# Xen HVM kernel infrastructure
365device		xenpci			# Xen HVM Hypervisor services driver
366
367# Netmap provides direct access to TX/RX rings on supported NICs
368device		netmap			# netmap(4) support
369
370# evdev interface
371options 	EVDEV_SUPPORT		# evdev support in legacy drivers
372device		evdev			# input event device support
373device		uinput			# install /dev/uinput cdev
374