1# 2# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 3# 4# This file contains machine dependent kernel configuration notes. For 5# machine independent notes, look in /sys/conf/NOTES. 6# 7# $FreeBSD$ 8# 9 10# 11# We want LINT to cover profiling as well. 12profile 2 13 14# 15# Enable the kernel DTrace hooks which are required to load the DTrace 16# kernel modules. 17# 18options KDTRACE_HOOKS 19 20 21##################################################################### 22# SMP OPTIONS: 23# 24# Notes: 25# 26# IPI_PREEMPTION instructs the kernel to preempt threads running on other 27# CPUS if needed. Relies on the PREEMPTION option 28 29# Optional: 30options IPI_PREEMPTION 31device atpic # Optional legacy pic support 32device mptable # Optional MPSPEC mptable support 33 34# 35# Watchdog routines. 36# 37options MP_WATCHDOG 38 39# Debugging options. 40# 41options COUNT_XINVLTLB_HITS # Counters for TLB events 42options COUNT_IPIS # Per-CPU IPI interrupt counters 43 44 45 46##################################################################### 47# CPU OPTIONS 48 49# 50# You must specify at least one CPU (the one you intend to run on); 51# deleting the specification for CPUs you don't need to use may make 52# parts of the system run faster. 53# 54cpu HAMMER # aka K8, aka Opteron & Athlon64 55 56# 57# Options for CPU features. 58# 59 60# 61# PERFMON causes the driver for Pentium/Pentium Pro performance counters 62# to be compiled. See perfmon(4) for more information. 63# 64#XXX#options PERFMON 65 66 67##################################################################### 68# NETWORKING OPTIONS 69 70# 71# DEVICE_POLLING adds support for mixed interrupt-polling handling 72# of network device drivers, which has significant benefits in terms 73# of robustness to overloads and responsivity, as well as permitting 74# accurate scheduling of the CPU time between kernel network processing 75# and other activities. The drawback is a moderate (up to 1/HZ seconds) 76# potential increase in response times. 77# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING 78# to achieve smoother behaviour. 79# Additionally, you can enable/disable polling at runtime with help of 80# the ifconfig(8) utility, and select the CPU fraction reserved to 81# userland with the sysctl variable kern.polling.user_frac 82# (default 50, range 0..100). 83# 84# Not all device drivers support this mode of operation at the time of 85# this writing. See polling(4) for more details. 86 87options DEVICE_POLLING 88 89# BPF_JITTER adds support for BPF just-in-time compiler. 90 91options BPF_JITTER 92 93# OpenFabrics Enterprise Distribution (Infiniband). 94options OFED 95options OFED_DEBUG_INIT 96 97# Sockets Direct Protocol 98options SDP 99options SDP_DEBUG 100 101# IP over Infiniband 102options IPOIB 103options IPOIB_DEBUG 104options IPOIB_CM 105 106 107##################################################################### 108# CLOCK OPTIONS 109 110# Provide read/write access to the memory in the clock chip. 111device nvram # Access to rtc cmos via /dev/nvram 112 113 114##################################################################### 115# MISCELLANEOUS DEVICES AND OPTIONS 116 117device speaker #Play IBM BASIC-style noises out your speaker 118hint.speaker.0.at="isa" 119hint.speaker.0.port="0x61" 120device gzip #Exec gzipped a.out's. REQUIRES COMPAT_AOUT! 121 122 123##################################################################### 124# HARDWARE BUS CONFIGURATION 125 126# 127# ISA bus 128# 129device isa 130 131# 132# Options for `isa': 133# 134# AUTO_EOI_1 enables the `automatic EOI' feature for the master 8259A 135# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 136# This option breaks suspend/resume on some portables. 137# 138# AUTO_EOI_2 enables the `automatic EOI' feature for the slave 8259A 139# interrupt controller. This saves about 0.7-1.25 usec for each interrupt. 140# Automatic EOI is documented not to work for for the slave with the 141# original i8259A, but it works for some clones and some integrated 142# versions. 143# 144# MAXMEM specifies the amount of RAM on the machine; if this is not 145# specified, FreeBSD will first read the amount of memory from the CMOS 146# RAM, so the amount of memory will initially be limited to 64MB or 16MB 147# depending on the BIOS. If the BIOS reports 64MB, a memory probe will 148# then attempt to detect the installed amount of RAM. If this probe 149# fails to detect >64MB RAM you will have to use the MAXMEM option. 150# The amount is in kilobytes, so for a machine with 128MB of RAM, it would 151# be 131072 (128 * 1024). 152# 153# BROKEN_KEYBOARD_RESET disables the use of the keyboard controller to 154# reset the CPU for reboot. This is needed on some systems with broken 155# keyboard controllers. 156 157options AUTO_EOI_1 158#options AUTO_EOI_2 159 160options MAXMEM=(128*1024) 161#options BROKEN_KEYBOARD_RESET 162 163# 164# PCI bus & PCI options: 165# 166device pci 167 168# 169# AGP GART support 170device agp 171 172# 173# AGP debugging. 174# 175options AGP_DEBUG 176 177 178##################################################################### 179# HARDWARE DEVICE CONFIGURATION 180 181# To include support for VGA VESA video modes 182options VESA 183 184# Turn on extra debugging checks and output for VESA support. 185options VESA_DEBUG 186 187device dpms # DPMS suspend & resume via VESA BIOS 188 189# x86 real mode BIOS emulator, required by atkbdc/dpms/vesa 190options X86BIOS 191 192# 193# Optional devices: 194# 195 196# PS/2 mouse 197device psm 198hint.psm.0.at="atkbdc" 199hint.psm.0.irq="12" 200 201# Options for psm: 202options PSM_HOOKRESUME #hook the system resume event, useful 203 #for some laptops 204options PSM_RESETAFTERSUSPEND #reset the device at the resume event 205 206# The keyboard controller; it controls the keyboard and the PS/2 mouse. 207device atkbdc 208hint.atkbdc.0.at="isa" 209hint.atkbdc.0.port="0x060" 210 211# The AT keyboard 212device atkbd 213hint.atkbd.0.at="atkbdc" 214hint.atkbd.0.irq="1" 215 216# Options for atkbd: 217options ATKBD_DFLT_KEYMAP # specify the built-in keymap 218makeoptions ATKBD_DFLT_KEYMAP=jp.106 219 220# `flags' for atkbd: 221# 0x01 Force detection of keyboard, else we always assume a keyboard 222# 0x02 Don't reset keyboard, useful for some newer ThinkPads 223# 0x03 Force detection and avoid reset, might help with certain 224# dockingstations 225# 0x04 Old-style (XT) keyboard support, useful for older ThinkPads 226 227# Video card driver for VGA adapters. 228device vga 229hint.vga.0.at="isa" 230 231# Options for vga: 232# Try the following option if the mouse pointer is not drawn correctly 233# or font does not seem to be loaded properly. May cause flicker on 234# some systems. 235options VGA_ALT_SEQACCESS 236 237# If you can dispense with some vga driver features, you may want to 238# use the following options to save some memory. 239#options VGA_NO_FONT_LOADING # don't save/load font 240#options VGA_NO_MODE_CHANGE # don't change video modes 241 242# Older video cards may require this option for proper operation. 243options VGA_SLOW_IOACCESS # do byte-wide i/o's to TS and GDC regs 244 245# The following option probably won't work with the LCD displays. 246options VGA_WIDTH90 # support 90 column modes 247 248# Debugging. 249options VGA_DEBUG 250 251# vt(4) drivers. 252device vt_vga # VGA 253device vt_efifb # EFI framebuffer 254 255# Linear framebuffer driver for S3 VESA 1.2 cards. Works on top of VESA. 256device s3pci 257 258# 3Dfx Voodoo Graphics, Voodoo II /dev/3dfx CDEV support. This will create 259# the /dev/3dfx0 device to work with glide implementations. This should get 260# linked to /dev/3dfx and /dev/voodoo. Note that this is not the same as 261# the tdfx DRI module from XFree86 and is completely unrelated. 262# 263# To enable Linuxulator support, one must also include COMPAT_LINUX in the 264# config as well. The other option is to load both as modules. 265 266device tdfx # Enable 3Dfx Voodoo support 267#XXX#device tdfx_linux # Enable Linuxulator support 268 269# 270# ACPI support using the Intel ACPI Component Architecture reference 271# implementation. 272# 273# ACPI_DEBUG enables the use of the debug.acpi.level and debug.acpi.layer 274# kernel environment variables to select initial debugging levels for the 275# Intel ACPICA code. (Note that the Intel code must also have USE_DEBUGGER 276# defined when it is built). 277 278device acpi 279options ACPI_DEBUG 280 281# The cpufreq(4) driver provides support for non-ACPI CPU frequency control 282device cpufreq 283 284# Direct Rendering modules for 3D acceleration. 285device drm # DRM core module required by DRM drivers 286device i915drm # Intel i830 through i915 287device mach64drm # ATI Rage Pro, Rage Mobility P/M, Rage XL 288device mgadrm # AGP Matrox G200, G400, G450, G550 289device r128drm # ATI Rage 128 290device radeondrm # ATI Radeon 291device savagedrm # S3 Savage3D, Savage4 292device sisdrm # SiS 300/305, 540, 630 293device tdfxdrm # 3dfx Voodoo 3/4/5 and Banshee 294device viadrm # VIA 295options DRM_DEBUG # Include debug printfs (slow) 296 297# 298# Network interfaces: 299# 300 301# bxe: Broadcom NetXtreme II (BCM5771X/BCM578XX) PCIe 10Gb Ethernet 302# adapters. 303# ed: Western Digital and SMC 80xx; Novell NE1000 and NE2000; 3Com 3C503 304# HP PC Lan+, various PC Card devices 305# (requires miibus) 306# ipw: Intel PRO/Wireless 2100 IEEE 802.11 adapter 307# Requires the ipw firmware module 308# iwi: Intel PRO/Wireless 2200BG/2225BG/2915ABG IEEE 802.11 adapters 309# Requires the iwi firmware module 310# iwn: Intel Wireless WiFi Link 4965/1000/5000/6000 802.11 network adapters 311# Requires the iwn firmware module 312# mlx4ib: Mellanox ConnectX HCA InfiniBand 313# mlxen: Mellanox ConnectX HCA Ethernet 314# mthca: Mellanox HCA InfiniBand 315# nfe: nVidia nForce MCP on-board Ethernet Networking (BSD open source) 316# sfxge: Solarflare SFC9000 family 10Gb Ethernet adapters 317# vmx: VMware VMXNET3 Ethernet (BSD open source) 318# wpi: Intel 3945ABG Wireless LAN controller 319# Requires the wpi firmware module 320 321device bxe # Broadcom NetXtreme II BCM5771X/BCM578XX 10GbE 322device ed # NE[12]000, SMC Ultra, 3c503, DS8390 cards 323options ED_3C503 324options ED_HPP 325options ED_SIC 326device ipw # Intel 2100 wireless NICs. 327device iwi # Intel 2200BG/2225BG/2915ABG wireless NICs. 328device iwn # Intel 4965/1000/5000/6000 wireless NICs. 329device mlx4ib # Mellanox ConnectX HCA InfiniBand 330device mlxen # Mellanox ConnectX HCA Ethernet 331device mthca # Mellanox HCA InfiniBand 332device nfe # nVidia nForce MCP on-board Ethernet 333device sfxge # Solarflare SFC9000 10Gb Ethernet 334device vmx # VMware VMXNET3 Ethernet 335device wpi # Intel 3945ABG wireless NICs. 336 337# IEEE 802.11 adapter firmware modules 338 339# Intel PRO/Wireless 2100 firmware: 340# ipwfw: BSS/IBSS/monitor mode firmware 341# ipwbssfw: BSS mode firmware 342# ipwibssfw: IBSS mode firmware 343# ipwmonitorfw: Monitor mode firmware 344# Intel PRO/Wireless 2200BG/2225BG/2915ABG firmware: 345# iwifw: BSS/IBSS/monitor mode firmware 346# iwibssfw: BSS mode firmware 347# iwiibssfw: IBSS mode firmware 348# iwimonitorfw: Monitor mode firmware 349# Intel Wireless WiFi Link 4965/1000/5000/6000 series firmware: 350# iwnfw: Single module to support the 4965/1000/5000/5150/6000 351# iwn4965fw: Specific module for the 4965 only 352# iwn1000fw: Specific module for the 1000 only 353# iwn5000fw: Specific module for the 5000 only 354# iwn5150fw: Specific module for the 5150 only 355# iwn6000fw: Specific module for the 6000 only 356# iwn6050fw: Specific module for the 6050 only 357# wpifw: Intel 3945ABG Wireless LAN Controller firmware 358 359device iwifw 360device iwibssfw 361device iwiibssfw 362device iwimonitorfw 363device ipwfw 364device ipwbssfw 365device ipwibssfw 366device ipwmonitorfw 367device iwnfw 368device iwn4965fw 369device iwn1000fw 370device iwn5000fw 371device iwn5150fw 372device iwn6000fw 373device iwn6050fw 374device wpifw 375 376# Intel Non-Transparent Bridge (NTB) hardware 377device ntb_hw # Hardware Abstraction Layer for the NTB 378device if_ntb # Simulated ethernet device using the NTB 379 380# 381#XXX this stores pointers in a 32bit field that is defined by the hardware 382#device pst 383 384# 385# Areca 11xx and 12xx series of SATA II RAID controllers. 386# CAM is required. 387# 388device arcmsr # Areca SATA II RAID 389 390# 391# 3ware 9000 series PATA/SATA RAID controller driver and options. 392# The driver is implemented as a SIM, and so, needs the CAM infrastructure. 393# 394options TWA_DEBUG # 0-10; 10 prints the most messages. 395options TWA_FLASH_FIRMWARE # firmware image bundled when defined. 396device twa # 3ware 9000 series PATA/SATA RAID 397 398# 399# SCSI host adapters: 400# 401# ncv: NCR 53C500 based SCSI host adapters. 402# nsp: Workbit Ninja SCSI-3 based PC Card SCSI host adapters. 403# stg: TMC 18C30, 18C50 based SCSI host adapters. 404 405device ncv 406device nsp 407device stg 408 409# 410# Adaptec FSA RAID controllers, including integrated DELL controllers, 411# the Dell PERC 2/QC and the HP NetRAID-4M 412device aac 413device aacp # SCSI Passthrough interface (optional, CAM required) 414 415# 416# Adaptec by PMC RAID controllers, Series 6/7/8 and upcoming families 417device aacraid # Container interface, CAM required 418 419# 420# Highpoint RocketRAID 27xx. 421device hpt27xx 422 423# 424# Highpoint RocketRAID 182x. 425device hptmv 426 427# 428# Highpoint DC7280 and R750. 429device hptnr 430 431# 432# Highpoint RocketRAID. Supports RR172x, RR222x, RR2240, RR232x, RR2340, 433# RR2210, RR174x, RR2522, RR231x, RR230x. 434device hptrr 435 436# 437# Highpoint RocketRaid 3xxx series SATA RAID 438device hptiop 439 440# 441# IBM (now Adaptec) ServeRAID controllers 442device ips 443 444# 445# Intel C600 (Patsburg) integrated SAS controller 446device isci 447options ISCI_LOGGING # enable debugging in isci HAL 448 449# 450# NVM Express (NVMe) support 451device nvme # base NVMe driver 452device nvd # expose NVMe namespaces as disks, depends on nvme 453 454# 455# SafeNet crypto driver: can be moved to the MI NOTES as soon as 456# it's tested on a big-endian machine 457# 458device safe # SafeNet 1141 459options SAFE_DEBUG # enable debugging support: hw.safe.debug 460options SAFE_RNDTEST # enable rndtest support 461 462# 463# VirtIO support 464# 465# The virtio entry provides a generic bus for use by the device drivers. 466# It must be combined with an interface that communicates with the host. 467# Multiple such interfaces are defined by the VirtIO specification. FreeBSD 468# only has support for PCI. Therefore, virtio_pci must be statically 469# compiled in or loaded as a module for the device drivers to function. 470# 471device virtio # Generic VirtIO bus (required) 472device virtio_pci # VirtIO PCI Interface 473device vtnet # VirtIO Ethernet device 474device virtio_blk # VirtIO Block device 475device virtio_scsi # VirtIO SCSI device 476device virtio_balloon # VirtIO Memory Balloon device 477device virtio_random # VirtIO Entropy device 478 479device hyperv # HyperV drivers 480 481# Xen HVM Guest Optimizations 482options XENHVM # Xen HVM kernel infrastructure 483device xenpci # Xen HVM Hypervisor services driver 484 485##################################################################### 486 487# 488# Miscellaneous hardware: 489# 490# ipmi: Intelligent Platform Management Interface 491# pbio: Parallel (8255 PPI) basic I/O (mode 0) port (e.g. Advantech PCL-724) 492# smbios: DMI/SMBIOS entry point 493# vpd: Vital Product Data kernel interface 494# asmc: Apple System Management Controller 495# si: Specialix International SI/XIO or SX intelligent serial card 496# tpm: Trusted Platform Module 497 498# Notes on the Specialix SI/XIO driver: 499# The host card is memory, not IO mapped. 500# The Rev 1 host cards use a 64K chunk, on a 32K boundary. 501# The Rev 2 host cards use a 32K chunk, on a 32K boundary. 502# The cards can use an IRQ of 11, 12 or 15. 503 504device ipmi 505device pbio 506hint.pbio.0.at="isa" 507hint.pbio.0.port="0x360" 508device smbios 509device vpd 510device asmc 511#device si 512device tpm 513device padlock_rng # VIA Padlock RNG 514device rdrand_rng # Intel Bull Mountain RNG 515device aesni # AES-NI OpenCrypto module 516 517# 518# Laptop/Notebook options: 519# 520 521 522# 523# I2C Bus 524# 525 526# 527# Hardware watchdog timers: 528# 529# ichwd: Intel ICH watchdog timer 530# amdsbwd: AMD SB7xx watchdog timer 531# viawd: VIA south bridge watchdog timer 532# wbwd: Winbond watchdog timer 533# 534device ichwd 535device amdsbwd 536device viawd 537device wbwd 538 539# 540# Temperature sensors: 541# 542# coretemp: on-die sensor on Intel Core and newer CPUs 543# amdtemp: on-die sensor on AMD K8/K10/K11 CPUs 544# 545device coretemp 546device amdtemp 547 548# 549# CPU control pseudo-device. Provides access to MSRs, CPUID info and 550# microcode update feature. 551# 552device cpuctl 553 554# 555# System Management Bus (SMB) 556# 557options ENABLE_ALART # Control alarm on Intel intpm driver 558 559# 560# Number of initial kernel page table pages used for early bootstrap. 561# This number should include enough pages to map the kernel and any 562# modules or other data loaded with the kernel by the loader. Each 563# page table page maps 2MB. 564# 565options NKPT=31 566 567 568##################################################################### 569# ABI Emulation 570 571#XXX keep these here for now and reactivate when support for emulating 572#XXX these 32 bit binaries is added. 573 574# Enable 32-bit runtime support for FreeBSD/i386 binaries. 575options COMPAT_FREEBSD32 576 577# Enable iBCS2 runtime support for SCO and ISC binaries 578#XXX#options IBCS2 579 580# Emulate spx device for client side of SVR3 local X interface 581#XXX#options SPX_HACK 582 583# Enable Linux ABI emulation 584#XXX#options COMPAT_LINUX 585 586# Enable 32-bit Linux ABI emulation (requires COMPAT_43 and COMPAT_FREEBSD32) 587options COMPAT_LINUX32 588 589# Enable the linux-like proc filesystem support (requires COMPAT_LINUX32 590# and PSEUDOFS) 591options LINPROCFS 592 593#Enable the linux-like sys filesystem support (requires COMPAT_LINUX32 594# and PSEUDOFS) 595options LINSYSFS 596 597# 598# SysVR4 ABI emulation 599# 600# The svr4 ABI emulator can be statically compiled into the kernel or loaded as 601# a KLD module. 602# The STREAMS network emulation code can also be compiled statically or as a 603# module. If loaded as a module, it must be loaded before the svr4 module 604# (the /usr/sbin/svr4 script does this for you). If compiling statically, 605# the `streams' device must be configured into any kernel which also 606# specifies COMPAT_SVR4. It is possible to have a statically-configured 607# STREAMS device and a dynamically loadable svr4 emulator; the /usr/sbin/svr4 608# script understands that it doesn't need to load the `streams' module under 609# those circumstances. 610# Caveat: At this time, `options KTRACE' is required for the svr4 emulator 611# (whether static or dynamic). 612# 613#XXX#options COMPAT_SVR4 # build emulator statically 614#XXX#options DEBUG_SVR4 # enable verbose debugging 615#XXX#device streams # STREAMS network driver (required for svr4). 616 617 618##################################################################### 619# VM OPTIONS 620 621# KSTACK_PAGES is the number of memory pages to assign to the kernel 622# stack of each thread. 623 624options KSTACK_PAGES=5 625 626# Enable detailed accounting by the PV entry allocator. 627 628options PV_STATS 629 630##################################################################### 631 632# More undocumented options for linting. 633# Note that documenting these are not considered an affront. 634 635options FB_INSTALL_CDEV # install a CDEV entry in /dev 636 637options KBDIO_DEBUG=2 638options KBD_MAXRETRY=4 639options KBD_MAXWAIT=6 640options KBD_RESETDELAY=201 641 642options PSM_DEBUG=1 643 644options TIMER_FREQ=((14318182+6)/12) 645 646options VM_KMEM_SIZE 647options VM_KMEM_SIZE_MAX 648options VM_KMEM_SIZE_SCALE 649 650# Enable NDIS binary driver support 651options NDISAPI 652device ndis 653