xref: /freebsd/sys/amd64/conf/GENERIC (revision 19cca0b9613d7c3058e41baf0204245119732235)
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		ROUTE_MPATH		# Multipath routing support
35options 	TCP_OFFLOAD		# TCP offload
36options 	TCP_BLACKBOX		# Enhanced TCP event logging
37options 	TCP_HHOOK		# hhook(9) framework for TCP
38options		TCP_RFC7413		# TCP Fast Open
39options 	SCTP_SUPPORT		# Allow kldload of SCTP
40options 	FFS			# Berkeley Fast Filesystem
41options 	SOFTUPDATES		# Enable FFS soft updates support
42options 	UFS_ACL			# Support for access control lists
43options 	UFS_DIRHASH		# Improve performance on big directories
44options 	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
45options 	QUOTA			# Enable disk quotas for UFS
46options 	MD_ROOT			# MD is a potential root device
47options 	NFSCL			# Network Filesystem Client
48options 	NFSD			# Network Filesystem Server
49options 	NFSLOCKD		# Network Lock Manager
50options 	NFS_ROOT		# NFS usable as /, requires NFSCL
51options 	MSDOSFS			# MSDOS Filesystem
52options 	CD9660			# ISO 9660 Filesystem
53options 	PROCFS			# Process filesystem (requires PSEUDOFS)
54options 	PSEUDOFS		# Pseudo-filesystem framework
55options 	TMPFS			# Efficient memory filesystem
56options 	GEOM_RAID		# Soft RAID functionality.
57options 	GEOM_LABEL		# Provides labelization
58options 	EFIRT			# EFI Runtime Services support
59options 	COMPAT_FREEBSD32	# Compatible with i386 binaries
60options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
61options 	COMPAT_FREEBSD5		# Compatible with FreeBSD5
62options 	COMPAT_FREEBSD6		# Compatible with FreeBSD6
63options 	COMPAT_FREEBSD7		# Compatible with FreeBSD7
64options 	COMPAT_FREEBSD9		# Compatible with FreeBSD9
65options 	COMPAT_FREEBSD10	# Compatible with FreeBSD10
66options 	COMPAT_FREEBSD11	# Compatible with FreeBSD11
67options 	COMPAT_FREEBSD12	# Compatible with FreeBSD12
68options 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
69options 	KTRACE			# ktrace(1) support
70options 	STACK			# stack(9) support
71options 	SYSVSHM			# SYSV-style shared memory
72options 	SYSVMSG			# SYSV-style message queues
73options 	SYSVSEM			# SYSV-style semaphores
74options 	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
75options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
76options 	KBD_INSTALL_CDEV	# install a CDEV entry in /dev
77options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
78options 	AUDIT			# Security event auditing
79options 	CAPABILITY_MODE		# Capsicum capability mode
80options 	CAPABILITIES		# Capsicum capabilities
81options 	MAC			# TrustedBSD MAC Framework
82options 	KDTRACE_FRAME		# Ensure frames are compiled in
83options 	KDTRACE_HOOKS		# Kernel DTrace hooks
84options 	DDB_CTF			# Kernel ELF linker loads CTF data
85options 	INCLUDE_CONFIG_FILE	# Include this file in kernel
86options 	RACCT			# Resource accounting framework
87options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
88options 	RCTL			# Resource limits
89
90# Debugging support.  Always need this:
91options 	KDB			# Enable kernel debugger support.
92options 	KDB_TRACE		# Print a stack trace for a panic.
93# For full debugger support use (turn off in stable branch):
94options 	BUF_TRACKING		# Track buffer history
95options 	DDB			# Support DDB.
96options 	FULL_BUF_TRACKING	# Track more buffer history
97options 	GDB			# Support remote GDB.
98options 	DEADLKRES		# Enable the deadlock resolver
99options 	INVARIANTS		# Enable calls of extra sanity checking
100options 	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
101options 	QUEUE_MACRO_DEBUG_TRASH	# Trash queue(2) internal pointers on invalidation
102options 	WITNESS			# Enable checks to detect deadlocks and cycles
103options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
104options 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones
105options 	VERBOSE_SYSINIT=0	# Support debug.verbose_sysinit, off by default
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
131options 	IOMMU
132device		pci
133options 	PCI_HP			# PCI-Express native HotPlug
134options		PCI_IOV			# PCI SR-IOV support
135
136# Floppy drives
137device		fdc
138
139# ATA controllers
140device		ahci			# AHCI-compatible SATA controllers
141device		ata			# Legacy ATA/SATA controllers
142device		mvs			# Marvell 88SX50XX/88SX60XX/88SX70XX/SoC SATA
143device		siis			# SiliconImage SiI3124/SiI3132/SiI3531 SATA
144
145# SCSI Controllers
146device		ahc			# AHA2940 and onboard AIC7xxx devices
147device		ahd			# AHA39320/29320 and onboard AIC79xx devices
148device		esp			# AMD Am53C974 (Tekram DC-390(T))
149device		hptiop			# Highpoint RocketRaid 3xxx series
150device		isp			# Qlogic family
151#device		ispfw			# Firmware for QLogic HBAs- normally a module
152device		mpt			# LSI-Logic MPT-Fusion
153device		mps			# LSI-Logic MPT-Fusion 2
154device		mpr			# LSI-Logic MPT-Fusion 3
155device		sym			# NCR/Symbios Logic
156device		isci			# Intel C600 SAS controller
157device		ocs_fc			# Emulex FC adapters
158device		pvscsi			# VMware PVSCSI
159
160# ATA/SCSI peripherals
161device		scbus			# SCSI bus (required for ATA/SCSI)
162device		ch			# SCSI media changers
163device		da			# Direct Access (disks)
164device		sa			# Sequential Access (tape etc)
165device		cd			# CD
166device		pass			# Passthrough device (direct ATA/SCSI access)
167device		ses			# Enclosure Services (SES and SAF-TE)
168#device		ctl			# CAM Target Layer
169
170# RAID controllers interfaced to the SCSI subsystem
171device		amr			# AMI MegaRAID
172device		arcmsr			# Areca SATA II RAID
173device		ciss			# Compaq Smart RAID 5*
174device		iir			# Intel Integrated RAID
175device		ips			# IBM (Adaptec) ServeRAID
176device		mly			# Mylex AcceleRAID/eXtremeRAID
177device		twa			# 3ware 9000 series PATA/SATA RAID
178device		smartpqi		# Microsemi smartpqi driver
179device		tws			# LSI 3ware 9750 SATA+SAS 6Gb/s RAID controller
180
181# RAID controllers
182device		aac			# Adaptec FSA RAID
183device		aacp			# SCSI passthrough for aac (requires CAM)
184device		aacraid			# Adaptec by PMC RAID
185device		ida			# Compaq Smart RAID
186device		mfi			# LSI MegaRAID SAS
187device		mlx			# Mylex DAC960 family
188device		mrsas			# LSI/Avago MegaRAID SAS/SATA, 6Gb/s and 12Gb/s
189device		pmspcv			# PMC-Sierra SAS/SATA Controller driver
190#XXX pointer/int warnings
191#device		pst			# Promise Supertrak SX6000
192device		twe			# 3ware ATA RAID
193
194# NVM Express (NVMe) support
195device		nvme			# base NVMe driver
196device		nvd			# expose NVMe namespaces as disks, depends on nvme
197
198# Intel Volume Management Device (VMD) support
199device		vmd			# base VMD device
200device		vmd_bus			# bus for VMD children
201
202# atkbdc0 controls both the keyboard and the PS/2 mouse
203device		atkbdc			# AT keyboard controller
204device		atkbd			# AT keyboard
205device		psm			# PS/2 mouse
206
207device		kbdmux			# keyboard multiplexer
208
209device		vga			# VGA video card driver
210options 	VESA			# Add support for VESA BIOS Extensions (VBE)
211
212device		splash			# Splash screen and screen saver support
213
214# syscons is the default console driver, resembling an SCO console
215device		sc
216options 	SC_PIXEL_MODE		# add support for the raster text mode
217
218# vt is the new video console driver
219device		vt
220device		vt_vga
221device		vt_efifb
222device		vt_vbefb
223
224device		agp			# support several AGP chipsets
225
226# PCCARD (PCMCIA) support
227# PCMCIA and cardbus bridge support
228device		cbb			# cardbus (yenta) bridge
229device		pccard			# PC Card (16-bit) bus
230device		cardbus			# CardBus (32-bit) bus
231
232# Serial (COM) ports
233device		uart			# Generic UART driver
234
235# Parallel port
236device		ppc
237device		ppbus			# Parallel port bus (required)
238device		lpt			# Printer
239device		ppi			# Parallel port interface device
240#device		vpo			# Requires scbus and da
241
242device		puc			# Multi I/O cards and multi-channel UARTs
243
244# PCI/PCI-X/PCIe Ethernet NICs that use iflib infrastructure
245device		iflib
246device		em			# Intel PRO/1000 Gigabit Ethernet Family
247device		ix			# Intel PRO/10GbE PCIE PF Ethernet
248device		ixv			# Intel PRO/10GbE PCIE VF Ethernet
249device		ixl			# Intel 700 Series Physical Function
250device		iavf			# Intel Adaptive Virtual Function
251device		ice			# Intel 800 Series Physical Function
252device		vmx			# VMware VMXNET3 Ethernet
253device		axp			# AMD EPYC integrated NIC
254
255# PCI Ethernet NICs.
256device		bxe			# Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE
257device		le			# AMD Am7900 LANCE and Am79C9xx PCnet
258device		ti			# Alteon Networks Tigon I/II gigabit Ethernet
259
260# PCI Ethernet NICs that use the common MII bus controller code.
261# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
262device		miibus			# MII bus support
263device		ae			# Attansic/Atheros L2 FastEthernet
264device		age			# Attansic/Atheros L1 Gigabit Ethernet
265device		alc			# Atheros AR8131/AR8132 Ethernet
266device		ale			# Atheros AR8121/AR8113/AR8114 Ethernet
267device		bce			# Broadcom BCM5706/BCM5708 Gigabit Ethernet
268device		bfe			# Broadcom BCM440x 10/100 Ethernet
269device		bge			# Broadcom BCM570xx Gigabit Ethernet
270device		cas			# Sun Cassini/Cassini+ and NS DP83065 Saturn
271device		dc			# DEC/Intel 21143 and various workalikes
272device		et			# Agere ET1310 10/100/Gigabit Ethernet
273device		fxp			# Intel EtherExpress PRO/100B (82557, 82558)
274device		gem			# Sun GEM/Sun ERI/Apple GMAC
275device		jme			# JMicron JMC250 Gigabit/JMC260 Fast Ethernet
276device		lge			# Level 1 LXT1001 gigabit Ethernet
277device		msk			# Marvell/SysKonnect Yukon II Gigabit Ethernet
278device		nfe			# nVidia nForce MCP on-board Ethernet
279device		nge			# NatSemi DP83820 gigabit Ethernet
280device		re			# RealTek 8139C+/8169/8169S/8110S
281device		rl			# RealTek 8129/8139
282device		sge			# Silicon Integrated Systems SiS190/191
283device		sis			# Silicon Integrated Systems SiS 900/SiS 7016
284device		sk			# SysKonnect SK-984x & SK-982x gigabit Ethernet
285device		ste			# Sundance ST201 (D-Link DFE-550TX)
286device		stge			# Sundance/Tamarack TC9021 gigabit Ethernet
287device		vge			# VIA VT612x gigabit Ethernet
288device		vr			# VIA Rhine, Rhine II
289device		xl			# 3Com 3c90x (``Boomerang'', ``Cyclone'')
290
291# Wireless NIC cards
292device		wlan			# 802.11 support
293options 	IEEE80211_DEBUG		# enable debug msgs
294options 	IEEE80211_SUPPORT_MESH	# enable 802.11s draft support
295device		wlan_wep		# 802.11 WEP support
296device		wlan_ccmp		# 802.11 CCMP support
297device		wlan_tkip		# 802.11 TKIP support
298device		wlan_amrr		# AMRR transmit rate control algorithm
299device		an			# Aironet 4500/4800 802.11 wireless NICs.
300device		ath			# Atheros NICs
301device		ath_pci			# Atheros pci/cardbus glue
302device		ath_hal			# pci/cardbus chip support
303options 	AH_AR5416_INTERRUPT_MITIGATION # AR5416 interrupt mitigation
304options 	ATH_ENABLE_11N		# Enable 802.11n support for AR5416 and later
305device		ath_rate_sample		# SampleRate tx rate control for ath
306#device		bwi			# Broadcom BCM430x/BCM431x wireless NICs.
307#device		bwn			# Broadcom BCM43xx wireless NICs.
308device		ipw			# Intel 2100 wireless NICs.
309device		iwi			# Intel 2200BG/2225BG/2915ABG wireless NICs.
310device		iwn			# Intel 4965/1000/5000/6000 wireless NICs.
311device		malo			# Marvell Libertas wireless NICs.
312device		mwl			# Marvell 88W8363 802.11n wireless NICs.
313device		ral			# Ralink Technology RT2500 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
357device		rtsx			# Realtek SD card reader
358
359# VirtIO support
360device		virtio			# Generic VirtIO bus (required)
361device		virtio_pci		# VirtIO PCI device
362device		vtnet			# VirtIO Ethernet device
363device		virtio_blk		# VirtIO Block device
364device		virtio_scsi		# VirtIO SCSI device
365device		virtio_balloon		# VirtIO Memory Balloon device
366
367# HyperV drivers and enhancement support
368device		hyperv			# HyperV drivers
369
370# Xen HVM Guest Optimizations
371# NOTE: XENHVM depends on xenpci.  They must be added or removed together.
372options 	XENHVM			# Xen HVM kernel infrastructure
373device		xenpci			# Xen HVM Hypervisor services driver
374
375# Netmap provides direct access to TX/RX rings on supported NICs
376device		netmap			# netmap(4) support
377
378# evdev interface
379options 	EVDEV_SUPPORT		# evdev support in legacy drivers
380device		evdev			# input event device support
381device		uinput			# install /dev/uinput cdev
382
383# HID support
384options 	HID_DEBUG		# enable debug msgs
385device		hid			# Generic HID support
386options 	IICHID_SAMPLING		# Workaround missing GPIO INTR support
387#device		usbhid			# USB transport support.
388#device		hidbus			# HID bus (required by usbhid/iichid)
389#options 	USBHID_ENABLED		# Prefer usbhid to other USB drivers
390