The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/conf/GENERIC

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    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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