xref: /freebsd/sys/amd64/conf/GENERIC (revision 1f474190)
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_SUPPORT		# Allow kldload of SCTP
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 	TMPFS			# Efficient memory filesystem
55options 	GEOM_RAID		# Soft RAID functionality.
56options 	GEOM_LABEL		# Provides labelization
57options 	EFIRT			# EFI Runtime Services support
58options 	COMPAT_FREEBSD32	# Compatible with i386 binaries
59options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
60options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
61options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
62options 	COMPAT_FREEBSD7		# Compatible with FreeBSD7
63options 	COMPAT_FREEBSD9		# Compatible with FreeBSD9
64options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
65options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
66options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
67options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
68options 	KTRACE			# ktrace(1) support
69options 	STACK			# stack(9) support
70options 	SYSVSHM			# SYSV-style shared memory
71options 	SYSVMSG			# SYSV-style message queues
72options 	SYSVSEM			# SYSV-style semaphores
73options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
74options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
75options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
76options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
77options 	AUDIT			# Security event auditing
78options 	CAPABILITY_MODE		# Capsicum capability mode
79options 	CAPABILITIES		# Capsicum capabilities
80options 	MAC			# TrustedBSD MAC Framework
81options 	KDTRACE_FRAME		# Ensure frames are compiled in
82options 	KDTRACE_HOOKS		# Kernel DTrace hooks
83options 	DDB_CTF			# Kernel ELF linker loads CTF data
84options 	INCLUDE_CONFIG_FILE	# Include this file in kernel
85options 	RACCT			# Resource accounting framework
86options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
87options 	RCTL			# Resource limits
88
89# Debugging support.  Always need this:
90options 	KDB			# Enable kernel debugger support.
91options 	KDB_TRACE		# Print a stack trace for a panic.
92# For full debugger support use (turn off in stable branch):
93options 	BUF_TRACKING		# Track buffer history
94options 	DDB			# Support DDB.
95options 	FULL_BUF_TRACKING	# Track more buffer history
96options 	GDB			# Support remote GDB.
97options 	DEADLKRES		# Enable the deadlock resolver
98options 	INVARIANTS		# Enable calls of extra sanity checking
99options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
100options 	QUEUE_MACRO_DEBUG_TRASH	# Trash queue(2) internal pointers on invalidation
101options 	WITNESS			# Enable checks to detect deadlocks and cycles
102options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
103options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
104options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
105options 	IOMMU
106
107# Kernel Sanitizers
108#options 	COVERAGE		# Generic kernel coverage. Used by KCOV
109#options 	KCOV			# Kernel Coverage Sanitizer
110# Warning: KUBSAN can result in a kernel too large for loader to load
111#options 	KUBSAN			# Kernel Undefined Behavior Sanitizer
112#options 	KCSAN			# Kernel Concurrency Sanitizer
113
114# Kernel dump features.
115options 	EKCD			# Support for encrypted kernel dumps
116options 	GZIO			# gzip-compressed kernel and user dumps
117options 	ZSTDIO			# zstd-compressed kernel and user dumps
118options 	DEBUGNET		# debugnet networking
119options 	NETDUMP			# netdump(4) client support
120options 	NETGDB			# netgdb(4) client support
121
122# Make an SMP-capable kernel by default
123options 	SMP			# Symmetric MultiProcessor Kernel
124options 	EARLY_AP_STARTUP
125
126# CPU frequency control
127device		cpufreq
128
129# Bus support.
130device		acpi
131device		pci
132options 	PCI_HP			# PCI-Express native HotPlug
133options		PCI_IOV			# PCI SR-IOV support
134
135# Floppy drives
136device		fdc
137
138# ATA controllers
139device		ahci			# AHCI-compatible SATA controllers
140device		ata			# Legacy ATA/SATA controllers
141device		mvs			# Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
142device		siis			# SiliconImage SiI3124/SiI3132/SiI3531 SATA
143
144# SCSI Controllers
145device		ahc			# AHA2940 and onboard AIC7xxx devices
146device		ahd			# AHA39320/29320 and onboard AIC79xx devices
147device		esp			# AMD Am53C974 (Tekram DC-390(T))
148device		hptiop			# Highpoint RocketRaid 3xxx series
149device		isp			# Qlogic family
150#device		ispfw			# Firmware for QLogic HBAs- normally a module
151device		mpt			# LSI-Logic MPT-Fusion
152device		mps			# LSI-Logic MPT-Fusion 2
153device		mpr			# LSI-Logic MPT-Fusion 3
154device		sym			# NCR/Symbios Logic
155device		isci			# Intel C600 SAS controller
156device		ocs_fc			# Emulex FC adapters
157device		pvscsi			# VMware PVSCSI
158
159# ATA/SCSI peripherals
160device		scbus			# SCSI bus (required for ATA/SCSI)
161device		ch			# SCSI media changers
162device		da			# Direct Access (disks)
163device		sa			# Sequential Access (tape etc)
164device		cd			# CD
165device		pass			# Passthrough device (direct ATA/SCSI access)
166device		ses			# Enclosure Services (SES and SAF-TE)
167#device		ctl			# CAM Target Layer
168
169# RAID controllers interfaced to the SCSI subsystem
170device		amr			# AMI MegaRAID
171device		arcmsr			# Areca SATA II RAID
172device		ciss			# Compaq Smart RAID 5*
173device		iir			# Intel Integrated RAID
174device		ips			# IBM (Adaptec) ServeRAID
175device		mly			# Mylex AcceleRAID/eXtremeRAID
176device		twa			# 3ware 9000 series PATA/SATA RAID
177device		smartpqi		# Microsemi smartpqi driver
178device		tws			# LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
179
180# RAID controllers
181device		aac			# Adaptec FSA RAID
182device		aacp			# SCSI passthrough for aac (requires CAM)
183device		aacraid			# Adaptec by PMC RAID
184device		ida			# Compaq Smart RAID
185device		mfi			# LSI MegaRAID SAS
186device		mlx			# Mylex DAC960 family
187device		mrsas			# LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
188device		pmspcv			# PMC-Sierra SAS/SATA Controller driver
189#XXX pointer/int warnings
190#device		pst			# Promise Supertrak SX6000
191device		twe			# 3ware ATA RAID
192
193# NVM Express (NVMe) support
194device		nvme			# base NVMe driver
195device		nvd			# expose NVMe namespaces as disks, depends on nvme
196
197# Intel Volume Management Device (VMD) support
198device		vmd			# base VMD device
199device		vmd_bus			# bus for VMD children
200
201# atkbdc0 controls both the keyboard and the PS/2 mouse
202device		atkbdc			# AT keyboard controller
203device		atkbd			# AT keyboard
204device		psm			# PS/2 mouse
205
206device		kbdmux			# keyboard multiplexer
207
208device		vga			# VGA video card driver
209options 	VESA			# Add support for VESA BIOS Extensions (VBE)
210
211device		splash			# Splash screen and screen saver support
212
213# syscons is the default console driver, resembling an SCO console
214device		sc
215options 	SC_PIXEL_MODE		# add support for the raster text mode
216
217# vt is the new video console driver
218device		vt
219device		vt_vga
220device		vt_efifb
221
222device		agp			# support several AGP chipsets
223
224# PCCARD (PCMCIA) support
225# PCMCIA and cardbus bridge support
226device		cbb			# cardbus (yenta) bridge
227device		pccard			# PC Card (16-bit) bus
228device		cardbus			# CardBus (32-bit) bus
229
230# Serial (COM) ports
231device		uart			# Generic UART driver
232
233# Parallel port
234device		ppc
235device		ppbus			# Parallel port bus (required)
236device		lpt			# Printer
237device		ppi			# Parallel port interface device
238#device		vpo			# Requires scbus and da
239
240device		puc			# Multi I/O cards and multi-channel UARTs
241
242# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
243device		iflib
244device		em			# Intel PRO/1000 Gigabit Ethernet Family
245device		ix			# Intel PRO/10GbE PCIE PF Ethernet
246device		ixv			# Intel PRO/10GbE PCIE VF Ethernet
247device		ixl			# Intel 700 Series Physical Function
248device		iavf			# Intel Adaptive Virtual Function
249device		ice			# Intel 800 Series Physical Function
250device		vmx			# VMware VMXNET3 Ethernet
251device		axp			# AMD EPYC integrated NIC
252
253# PCI Ethernet NICs.
254device		bxe			# Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
255device		le			# AMD Am7900 LANCE and Am79C9xx PCnet
256device		ti			# Alteon Networks Tigon I/II gigabit Ethernet
257
258# PCI Ethernet NICs that use the common MII bus controller code.
259# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
260device		miibus			# MII bus support
261device		ae			# Attansic/Atheros L2 FastEthernet
262device		age			# Attansic/Atheros L1 Gigabit Ethernet
263device		alc			# Atheros AR8131/AR8132 Ethernet
264device		ale			# Atheros AR8121/AR8113/AR8114 Ethernet
265device		bce			# Broadcom BCM5706/BCM5708 Gigabit Ethernet
266device		bfe			# Broadcom BCM440x 10/100 Ethernet
267device		bge			# Broadcom BCM570xx Gigabit Ethernet
268device		cas			# Sun Cassini/Cassini+ and NS DP83065 Saturn
269device		dc			# DEC/Intel 21143 and various workalikes
270device		et			# Agere ET1310 10/100/Gigabit Ethernet
271device		fxp			# Intel EtherExpress PRO/100B (82557, 82558)
272device		gem			# Sun GEM/Sun ERI/Apple GMAC
273device		hme			# Sun HME (Happy Meal Ethernet)
274device		jme			# JMicron JMC250 Gigabit/JMC260 Fast Ethernet
275device		lge			# Level 1 LXT1001 gigabit Ethernet
276device		msk			# Marvell/SysKonnect Yukon II Gigabit Ethernet
277device		nfe			# nVidia nForce MCP on-board Ethernet
278device		nge			# NatSemi DP83820 gigabit Ethernet
279device		re			# RealTek 8139C+/8169/8169S/8110S
280device		rl			# RealTek 8129/8139
281device		sge			# Silicon Integrated Systems SiS190/191
282device		sis			# Silicon Integrated Systems SiS 900/SiS 7016
283device		sk			# SysKonnect SK-984x & SK-982x gigabit Ethernet
284device		ste			# Sundance ST201 (D-Link DFE-550TX)
285device		stge			# Sundance/Tamarack TC9021 gigabit Ethernet
286device		vge			# VIA VT612x gigabit Ethernet
287device		vr			# VIA Rhine, Rhine II
288device		xl			# 3Com 3c90x (``Boomerang'', ``Cyclone'')
289
290# Wireless NIC cards
291device		wlan			# 802.11 support
292options 	IEEE80211_DEBUG		# enable debug msgs
293options 	IEEE80211_SUPPORT_MESH	# enable 802.11s draft support
294device		wlan_wep		# 802.11 WEP support
295device		wlan_ccmp		# 802.11 CCMP support
296device		wlan_tkip		# 802.11 TKIP support
297device		wlan_amrr		# AMRR transmit rate control algorithm
298device		an			# Aironet 4500/4800 802.11 wireless NICs.
299device		ath			# Atheros NICs
300device		ath_pci			# Atheros pci/cardbus glue
301device		ath_hal			# pci/cardbus chip support
302options 	AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
303options 	ATH_ENABLE_11N		# Enable 802.11n support for AR5416 and later
304device		ath_rate_sample		# SampleRate tx rate control for ath
305#device		bwi			# Broadcom BCM430x/BCM431x wireless NICs.
306#device		bwn			# Broadcom BCM43xx wireless NICs.
307device		ipw			# Intel 2100 wireless NICs.
308device		iwi			# Intel 2200BG/2225BG/2915ABG wireless NICs.
309device		iwn			# Intel 4965/1000/5000/6000 wireless NICs.
310device		malo			# Marvell Libertas wireless NICs.
311device		mwl			# Marvell 88W8363 802.11n wireless NICs.
312device		ral			# Ralink Technology RT2500 wireless NICs.
313device		wi			# WaveLAN/Intersil/Symbol 802.11 wireless NICs.
314device		wpi			# Intel 3945ABG wireless NICs.
315
316# Pseudo devices.
317device		crypto			# core crypto support
318device		loop			# Network loopback
319device		padlock_rng		# VIA Padlock RNG
320device		rdrand_rng		# Intel Bull Mountain RNG
321device		ether			# Ethernet support
322device		vlan			# 802.1Q VLAN support
323device		tuntap			# Packet tunnel.
324device		md			# Memory "disks"
325device		gif			# IPv6 and IPv4 tunneling
326device		firmware		# firmware assist module
327
328# The `bpf' device enables the Berkeley Packet Filter.
329# Be aware of the administrative consequences of enabling this!
330# Note that 'bpf' is required for DHCP.
331device		bpf			# Berkeley packet filter
332
333# USB support
334options 	USB_DEBUG		# enable debug msgs
335device		uhci			# UHCI PCI->USB interface
336device		ohci			# OHCI PCI->USB interface
337device		ehci			# EHCI PCI->USB interface (USB 2.0)
338device		xhci			# XHCI PCI->USB interface (USB 3.0)
339device		usb			# USB Bus (required)
340device		ukbd			# Keyboard
341device		umass			# Disks/Mass storage - Requires scbus and da
342
343# Sound support
344device		sound			# Generic sound driver (required)
345device		snd_cmi			# CMedia CMI8338/CMI8738
346device		snd_csa			# Crystal Semiconductor CS461x/428x
347device		snd_emu10kx		# Creative SoundBlaster Live! and Audigy
348device		snd_es137x		# Ensoniq AudioPCI ES137x
349device		snd_hda			# Intel High Definition Audio
350device		snd_ich			# Intel, NVidia and other ICH AC'97 Audio
351device		snd_via8233		# VIA VT8233x Audio
352
353# MMC/SD
354device		mmc			# MMC/SD bus
355device		mmcsd			# MMC/SD memory card
356device		sdhci			# Generic PCI SD Host Controller
357
358# VirtIO support
359device		virtio			# Generic VirtIO bus (required)
360device		virtio_pci		# VirtIO PCI device
361device		vtnet			# VirtIO Ethernet device
362device		virtio_blk		# VirtIO Block device
363device		virtio_scsi		# VirtIO SCSI device
364device		virtio_balloon		# VirtIO Memory Balloon device
365
366# HyperV drivers and enhancement support
367device		hyperv			# HyperV drivers
368
369# Xen HVM Guest Optimizations
370# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
371options 	XENHVM			# Xen HVM kernel infrastructure
372device		xenpci			# Xen HVM Hypervisor services driver
373
374# Netmap provides direct access to TX/RX rings on supported NICs
375device		netmap			# netmap(4) support
376
377# evdev interface
378options 	EVDEV_SUPPORT		# evdev support in legacy drivers
379device		evdev			# input event device support
380device		uinput			# install /dev/uinput cdev
381