1# $FreeBSD: src/sys/conf/options,v 1.191.2.53 2003/06/04 17:56:58 sam Exp $ 2# $DragonFly: src/sys/conf/options,v 1.15 2004/02/24 18:09:12 joerg Exp $ 3# 4# On the handling of kernel options 5# 6# All kernel options should be listed in LINT, with suitable 7# descriptions. Negative options (options that make some code not 8# compile) should be commented out; LINT should compile as much code 9# as possible. Try to structure option-using code so that a single 10# option only switch code on, or only switch code off, to make it 11# possible to have a full compile-test. If necessary, you can include 12# "opt_lint.h" and check for COMPILING_LINT to get maximum code 13# coverage. 14# 15# All new options shall also be listed in either "conf/options" or 16# "<machine>/conf/options.<machine>". Options that affect a single 17# source-file <xxx>.[c|s] should be directed into "opt_<xxx>.h", while 18# options that affect multiple files should either go in 19# "opt_global.h" if this is a kernel-wide option (used just about 20# everywhere), or in "opt_<option-name-in-lower-case>.h" if it affect 21# only some files. Note that the effect of listing only an option 22# without a header-file-name in conf/options (and cousins) is that the 23# last convention is followed. 24# 25# This handling scheme is not yet fully implemented. 26# 27# 28# Format of this file: 29# Option name filename 30# 31# If filename is missing, the default is 32# opt_<name-of-option-in-lower-case>.h 33 34# Adaptec Array Controller driver options 35AAC_COMPAT_LINUX opt_aac.h # Enable the linux ioctl interface 36 37AAC_DEBUG opt_aac.h # Debugging levels: 38 # 0 - quiet, only emit warnings 39 # 1 - noisy, emit major function 40 # points and things done 41 # 2 - extremely noisy, emit trace 42 # items in loops, etc. 43 44# Adaptec aic7xxx SCSI controller options 45AHC_ALLOW_MEMIO opt_aic7xxx.h # Allow PCI devices to use memory 46 # mapped I/O 47 48AHC_TMODE_ENABLE opt_aic7xxx.h # Bitmap of units to enable 49 # targetmode operations. 50 51AHC_DUMP_EEPROM opt_aic7xxx.h # Dump the contents of our 52 # configuration prom. 53 54AHC_DEBUG opt_aic7xxx.h # Compile in Aic7xxx Debugging code. 55 56AHC_DEBUG_OPTS opt_aic7xxx.h # Aic7xxx driver debugging options. 57 # See sys/dev/aic7xxx/aic7xxx.h 58 59AHC_REG_PRETTY_PRINT opt_aic7xxx.h # Print register bitfields in debug 60 # output. Adds ~15k to driver. 61 62# Adaptec aic79xx SCSI controller options 63AHD_DEBUG opt_aic79xx.h # Compile in Aic79xx Debugging code. 64 65AHD_DEBUG_OPTS opt_aic79xx.h # Aic79xx driver debugging options. 66 # See sys/dev/aic7xxx/aic79xx.h 67 68AHD_TMODE_ENABLE opt_aic79xx.h # Bitmap of units to enable 69 # targetmode operations. 70 71AHD_REG_PRETTY_PRINT opt_aic79xx.h # Print register bitfields in debug 72 # output. Adds ~15k to driver. 73 74ADW_ALLOW_MEMIO opt_adw.h # Allow PCI devices to use memory 75 # mapped I/O 76 77#options for ACPI support 78ACPI_DEBUG opt_acpi.h 79ACPI_NO_SEMAPHORES opt_acpi.h 80ACPI_MAX_THREADS opt_acpi.h 81 82# Miscellaneous options. 83COMPAT_43 opt_compat.h 84COMPAT_SUNOS opt_compat.h 85COMPILING_LINT opt_lint.h 86CY_PCI_FASTINTR 87DDB 88DDB_TRACE 89DDB_UNATTENDED opt_ddb.h 90GDB_REMOTE_CHAT opt_ddb.h 91HW_WDOG 92KTRACE 93LIBICONV 94MD_NSECT opt_md.h 95MD_ROOT opt_md.h 96MD_ROOT_SIZE opt_md.h 97MFS_ROOT opt_mfs.h 98MFS_ROOT_SIZE opt_mfs.h 99NTIMECOUNTER opt_ntp.h 100NSWAPDEV opt_swap.h 101NSWBUF_MIN opt_swap.h 102PPS_SYNC opt_ntp.h 103QUOTA 104SPX_HACK 105SUIDDIR opt_suiddir.h 106SYSVMSG opt_sysvipc.h 107SYSVSEM opt_sysvipc.h 108SYSVSHM opt_sysvipc.h 109SHMALL opt_sysvipc.h 110SHMMAX opt_sysvipc.h 111SHMMAXPGS opt_sysvipc.h 112SHMMIN opt_sysvipc.h 113SHMMNI opt_sysvipc.h 114SHMSEG opt_sysvipc.h 115SEMMAP opt_sysvipc.h 116SEMMNI opt_sysvipc.h 117SEMMNS opt_sysvipc.h 118SEMMNU opt_sysvipc.h 119SEMMSL opt_sysvipc.h 120SEMOPM opt_sysvipc.h 121SEMUME opt_sysvipc.h 122MSGMNB opt_sysvipc.h 123MSGMNI opt_sysvipc.h 124MSGSEG opt_sysvipc.h 125MSGSSZ opt_sysvipc.h 126MSGTQL opt_sysvipc.h 127UCONSOLE 128ICMP_BANDLIM 129VFS_AIO 130DIRECTIO opt_directio.h 131 132# POSIX kernel options 133P1003_1B opt_posix.h 134_KPOSIX_PRIORITY_SCHEDULING opt_posix.h 135_KPOSIX_VERSION opt_posix.h 136 137# Do we want the config file compiled into the kernel? 138INCLUDE_CONFIG_FILE opt_config.h 139 140# Options for static file systems. These should only be used at config 141# time, since the corresponding lkms cannot work if there are any static 142# dependencies. Unusability is enforced by hiding the defines for the 143# options in a never-included header. 144EXT2FS opt_dontuse.h 145FDESC opt_dontuse.h 146KERNFS opt_dontuse.h 147MFS opt_dontuse.h 148MSDOSFS opt_dontuse.h 149NULLFS opt_dontuse.h 150PORTAL opt_dontuse.h 151PROCFS opt_dontuse.h 152UMAPFS opt_dontuse.h 153NTFS opt_dontuse.h 154 155# These static filesystems has one slightly bogus static dependency in 156# sys/i386/i386/autoconf.c. If any of these filesystems are 157# statically compiled into the kernel, code for mounting them as root 158# filesystems will be enabled - but look below. Boot-code is purposely 159# unavailable for the LKM-based versions. 160CODA 161CD9660 162FFS 163NFS 164NWFS 165 166# If you are following the conditions in the copyright, 167# you can enable soft-updates which will speed up a lot of thigs 168# and make the system safer from crashes at the same time. 169# otherwise a STUB module will be compiled in. 170SOFTUPDATES opt_ffs.h 171 172# Enable fast hash lookups for large directories on UFS-based filesystems. 173UFS_DIRHASH opt_ufs.h 174 175# The above static dependencies are planned removed, with a 176# <filesystem>_ROOT option to control if it usable as root. This list 177# allows these options to be present in config files already (though 178# they won't make any difference yet). 179CD9660_ROOT opt_cd9660.h 180FFS_ROOT opt_ffs.h 181NFS_ROOT opt_nfsroot.h 182 183# The union static file system has bogus static dependencies, so it isn't 184# hidden yet. 185UNION 186 187# Options used only in subr_param.c. 188HZ opt_param.h 189MAXFILES opt_param.h 190NBUF opt_param.h 191NMBCLUSTERS opt_param.h 192NMBUFS opt_param.h 193NSFBUFS opt_param.h 194VM_BCACHE_SIZE_MAX opt_param.h 195VM_SWZONE_SIZE_MAX opt_param.h 196MAXUSERS 197DFLDSIZ opt_param.h 198MAXDSIZ opt_param.h 199MAXSSIZ opt_param.h 200 201# Generic SCSI options. 202CAM_MAX_HIGHPOWER opt_cam.h 203CAMDEBUG opt_cam.h 204CAM_DEBUG_DELAY opt_cam.h 205CAM_DEBUG_BUS opt_cam.h 206CAM_DEBUG_TARGET opt_cam.h 207CAM_DEBUG_LUN opt_cam.h 208CAM_DEBUG_FLAGS opt_cam.h 209SCSI_DELAY opt_scsi.h 210SCSI_NO_SENSE_STRINGS opt_scsi.h 211SCSI_NO_OP_STRINGS opt_scsi.h 212 213# Options used only in cam/scsi/scsi_cd.c 214CHANGER_MIN_BUSY_SECONDS opt_cd.h 215CHANGER_MAX_BUSY_SECONDS opt_cd.h 216 217# Options used only in cam/scsi/scsi_sa.c. 218SA_IO_TIMEOUT opt_sa.h 219SA_SPACE_TIMEOUT opt_sa.h 220SA_REWIND_TIMEOUT opt_sa.h 221SA_ERASE_TIMEOUT opt_sa.h 222SA_1FM_AT_EOD opt_sa.h 223 224# Options used only in cam/scsi/scsi_pt.c 225SCSI_PT_DEFAULT_TIMEOUT opt_pt.h 226 227# Options used only in cam/scsi/scsi_ses.c 228SES_ENABLE_PASSTHROUGH opt_ses.h 229 230# Options used in dev/sym/ (Symbios SCSI driver). 231SYM_SETUP_LP_PROBE_MAP opt_sym.h #-Low Priority Probe Map (bits) 232 # Allows the ncr to take precedence 233 # 1 (1<<0) -> 810a, 860 234 # 2 (1<<1) -> 825a, 875, 885, 895 235 # 4 (1<<2) -> 895a, 896, 1510d 236SYM_SETUP_SCSI_DIFF opt_sym.h #-HVD support for 825a, 875, 885 237 # disabled:0 (default), enabled:1 238SYM_SETUP_PCI_PARITY opt_sym.h #-PCI parity checking 239 # disabled:0, enabled:1 (default) 240SYM_SETUP_MAX_LUN opt_sym.h #-Number of LUNs supported 241 # default:8, range:[1..64] 242 243# Options used only in pci/ncr.c 244SCSI_NCR_DEBUG opt_ncr.h 245SCSI_NCR_MAX_SYNC opt_ncr.h 246SCSI_NCR_MAX_WIDE opt_ncr.h 247SCSI_NCR_MYADDR opt_ncr.h 248 249# Options used only in pci/isp_pci.c 250ISP_TARGET_MODE opt_isp.h 251 252# Options used in the 'ata' ATA/ATAPI driver 253ATA_STATIC_ID opt_ata.h 254 255# Net stuff. 256ACCEPT_FILTER_DATA 257ACCEPT_FILTER_HTTP 258BOOTP opt_bootp.h 259BOOTP_COMPAT opt_bootp.h 260BOOTP_NFSROOT opt_bootp.h 261BOOTP_NFSV3 opt_bootp.h 262BOOTP_WIRED_TO opt_bootp.h 263BRIDGE opt_bdg.h 264ETHER_II opt_ef.h 265ETHER_8023 opt_ef.h 266ETHER_8022 opt_ef.h 267ETHER_SNAP opt_ef.h 268MROUTING opt_mrouting.h 269PIM opt_mrouting.h 270INET opt_inet.h 271INET6 opt_inet6.h 272IPSEC opt_ipsec.h 273IPSEC_ESP opt_ipsec.h 274IPSEC_DEBUG opt_ipsec.h 275IPSEC_FILTERGIF opt_ipsec.h 276FAST_IPSEC opt_ipsec.h 277IPDIVERT 278DUMMYNET opt_ipdn.h 279IPFILTER opt_ipfilter.h 280IPFILTER_LOG opt_ipfilter.h 281IPFILTER_DEFAULT_BLOCK opt_ipfilter.h 282PFIL_HOOKS opt_pfil_hooks.h 283IPFIREWALL opt_ipfw.h 284IPFW2 opt_ipfw.h 285IPFIREWALL_VERBOSE opt_ipfw.h 286IPFIREWALL_VERBOSE_LIMIT opt_ipfw.h 287IPFIREWALL_DEFAULT_TO_ACCEPT opt_ipfw.h 288IPFIREWALL_FORWARD opt_ipfw.h 289IPV6FIREWALL opt_ip6fw.h 290IPV6FIREWALL_VERBOSE opt_ip6fw.h 291IPV6FIREWALL_VERBOSE_LIMIT opt_ip6fw.h 292IPV6FIREWALL_DEFAULT_TO_ACCEPT opt_ip6fw.h 293IPSTEALTH 294IPX opt_ipx.h 295IPXIP opt_ipx.h 296IPTUNNEL opt_ipx.h 297LIBMCHAIN 298NCP opt_ncp.h 299NETATALK opt_atalk.h 300NS opt_ns.h 301PPP_BSDCOMP opt_ppp.h 302PPP_DEFLATE opt_ppp.h 303PPP_FILTER opt_ppp.h 304RANDOM_IP_ID 305SLIP_IFF_OPTS opt_slip.h 306TCPDEBUG 307TCP_DROP_SYNFIN opt_tcp_input.h 308XBONEHACK 309MBUF_STRESS_TEST opt_mbuf_stress_test.h 310 311# Netgraph(4). Use option NETGRAPH to enable the base netgraph code. 312# Each netgraph node type can be either be compiled into the kernel 313# or loaded dynamically. To get the former, include the corresponding 314# option below. Each type has its own man page, e.g. ng_async(8). 315NETGRAPH 316NETGRAPH_ASYNC opt_netgraph.h 317NETGRAPH_BPF opt_netgraph.h 318NETGRAPH_BRIDGE opt_netgraph.h 319NETGRAPH_CISCO opt_netgraph.h 320NETGRAPH_ECHO opt_netgraph.h 321NETGRAPH_ETHER opt_netgraph.h 322NETGRAPH_FRAME_RELAY opt_netgraph.h 323NETGRAPH_HOLE opt_netgraph.h 324NETGRAPH_IFACE opt_netgraph.h 325NETGRAPH_KSOCKET opt_netgraph.h 326NETGRAPH_LMI opt_netgraph.h 327NETGRAPH_L2TP opt_netgraph.h 328# MPPC compression requires proprietary files (not included) 329NETGRAPH_MPPC_COMPRESSION opt_netgraph.h 330NETGRAPH_MPPC_ENCRYPTION opt_netgraph.h 331NETGRAPH_ONE2MANY opt_netgraph.h 332NETGRAPH_PPP opt_netgraph.h 333NETGRAPH_PPPOE opt_netgraph.h 334NETGRAPH_PPTPGRE opt_netgraph.h 335NETGRAPH_RFC1490 opt_netgraph.h 336NETGRAPH_SOCKET opt_netgraph.h 337NETGRAPH_TEE opt_netgraph.h 338NETGRAPH_TTY opt_netgraph.h 339NETGRAPH_UI opt_netgraph.h 340NETGRAPH_VJC opt_netgraph.h 341 342# DRM options 343DRM_DEBUG opt_drm.h 344 345# ATM (HARP version) 346ATM_CORE opt_atm.h 347ATM_IP opt_atm.h 348ATM_SIGPVC opt_atm.h 349ATM_SPANS opt_atm.h 350ATM_UNI opt_atm.h 351 352# XXX Conflict: # of devices vs network protocol (Native ATM). 353# This makes "atm.h" unusable. 354NATM opt_natm.h 355 356DPT_ALLOW_MEMIO opt_dpt.h # Allow PCI devices to use memory 357 # mapped I/O 358# DPT driver debug flags 359DPT_MEASURE_PERFORMANCE opt_dpt.h 360DPT_HANDLE_TIMEOUTS opt_dpt.h 361DPT_TIMEOUT_FACTOR opt_dpt.h 362DPT_LOST_IRQ opt_dpt.h 363DPT_RESET_HBA opt_dpt.h 364 365# Adaptec ASR and DPT V/VI controller options 366ASR_MEASURE_PERFORMANCE opt_asr.h 367 368# Misc debug flags. Most of these should probably be replaced with 369# 'DEBUG', and then let people recompile just the interesting modules 370# with 'make CC="cc -DDEBUG"'. 371CLUSTERDEBUG opt_debug_cluster.h 372DEBUG_1284 opt_ppb_1284.h 373VP0_DEBUG opt_vpo.h 374LPT_DEBUG opt_lpt.h 375PLIP_DEBUG opt_plip.h 376LOCKF_DEBUG opt_debug_lockf.h 377LOUTB opt_debug_outb.h 378NPX_DEBUG opt_debug_npx.h 379NETATALKDEBUG opt_atalk.h 380SI_DEBUG opt_debug_si.h 381 382# Fb options 383FB_DEBUG opt_fb.h 384FB_INSTALL_CDEV opt_fb.h 385 386# ppbus related options 387PERIPH_1284 opt_ppb_1284.h 388DONTPROBE_1284 opt_ppb_1284.h 389 390# smbus related options 391ENABLE_ALART opt_intpm.h 392 393# These cause changes all over the kernel 394BLKDEV_IOSIZE opt_global.h 395DEBUG opt_global.h 396DEBUG_LOCKS opt_global.h 397DEBUG_VFS_LOCKS opt_global.h 398DIAGNOSTIC opt_global.h 399ENABLE_VFS_IOOPT opt_global.h 400INVARIANT_SUPPORT opt_global.h 401INVARIANTS opt_global.h 402SIMPLELOCK_DEBUG opt_global.h 403VFS_BIO_DEBUG opt_global.h 404DEBUG_INTERRUPTS opt_global.h 405 406# These are VM related options 407VM_KMEM_SIZE opt_vm.h 408VM_KMEM_SIZE_SCALE opt_vm.h 409VM_KMEM_SIZE_MAX opt_vm.h 410NO_SWAPPING opt_vm.h 411PQ_NOOPT opt_vmpage.h 412PQ_NORMALCACHE opt_vmpage.h 413PQ_MEDIUMCACHE opt_vmpage.h 414PQ_LARGECACHE opt_vmpage.h 415PQ_HUGECACHE opt_vmpage.h 416PQ_CACHESIZE opt_vmpage.h 417 418# Standard SMP options 419SMP opt_global.h 420 421# sys/netkey 422KEY 423 424# Size of the kernel message buffer 425MSGBUF_SIZE opt_msgbuf.h 426 427# PCI related options 428PCI_QUIET opt_pci.h 429PCI_ENABLE_IO_MODES opt_pci.h 430COMPAT_OLDPCI 431 432# NFS options 433NFS_MINATTRTIMO opt_nfs.h 434NFS_MAXATTRTIMO opt_nfs.h 435NFS_MINDIRATTRTIMO opt_nfs.h 436NFS_MAXDIRATTRTIMO opt_nfs.h 437NFS_GATHERDELAY opt_nfs.h 438NFS_UIDHASHSIZ opt_nfs.h 439NFS_WDELAYHASHSIZ opt_nfs.h 440NFS_MUIDHASHSIZ opt_nfs.h 441NFS_NOSERVER opt_nfs.h 442NFS_DEBUG opt_nfs.h 443 444# For the Bt848/Bt848A/Bt849/Bt878/Bt879 driver 445OVERRIDE_CARD opt_bktr.h 446OVERRIDE_TUNER opt_bktr.h 447OVERRIDE_DBX opt_bktr.h 448OVERRIDE_MSP opt_bktr.h 449BROOKTREE_SYSTEM_DEFAULT opt_bktr.h 450BROOKTREE_ALLOC_PAGES opt_bktr.h 451BKTR_OVERRIDE_CARD opt_bktr.h 452BKTR_OVERRIDE_TUNER opt_bktr.h 453BKTR_OVERRIDE_DBX opt_bktr.h 454BKTR_OVERRIDE_MSP opt_bktr.h 455BKTR_SYSTEM_DEFAULT opt_bktr.h 456BKTR_ALLOC_PAGES opt_bktr.h 457BKTR_USE_PLL opt_bktr.h 458BKTR_GPIO_ACCESS opt_bktr.h 459BKTR_NO_MSP_RESET opt_bktr.h 460BKTR_430_FX_MODE opt_bktr.h 461BKTR_SIS_VIA_MODE opt_bktr.h 462 463# meteor opt_meteor.h 464METEOR_ALLOC_PAGES opt_meteor.h 465METEOR_TEST_VIDEO opt_meteor.h 466METEOR_SYSTEM_DEFAULT opt_meteor.h 467METEOR_DEALLOC_PAGES opt_meteor.h 468METEOR_DEALLOC_ABOVE opt_meteor.h 469 470# Various mi ISA bus flags 471COMPAT_OLDISA opt_compat_oldisa.h 472COM_ESP opt_sio.h 473COM_MULTIPORT opt_sio.h 474BREAK_TO_DEBUGGER opt_comconsole.h 475ALT_BREAK_TO_DEBUGGER opt_comconsole.h 476 477# Include tweaks for running under the SimOS machine simulator. 478SIMOS opt_simos.h 479 480# options for bus/device framework 481BUS_DEBUG opt_bus.h 482DEVICE_SYSCTLS opt_bus.h 483 484# options for USB support 485UHCI_DEBUG opt_usb.h 486OHCI_DEBUG opt_usb.h 487USB_DEBUG opt_usb.h 488UGEN_DEBUG opt_usb.h 489UHID_DEBUG opt_usb.h 490UHUB_DEBUG opt_usb.h 491UKBD_DEBUG opt_usb.h 492ULPT_DEBUG opt_usb.h 493UMASS_DEBUG opt_usb.h 494UMS_DEBUG opt_usb.h 495 496# Vinum options 497VINUMDEBUG opt_vinum.h 498 499# Embedded system options 500UKBD_DFLT_KEYMAP opt_ukbd.h 501INIT_PATH opt_init_path.h 502 503ROOTDEVNAME opt_rootdevname.h 504 505FDC_DEBUG opt_fdc.h 506PCFCLOCK_VERBOSE opt_pcfclock.h 507PCFCLOCK_MAX_RETRIES opt_pcfclock.h 508 509# Polling device handling 510DEVICE_POLLING opt_global.h 511 512# options for ubsec driver 513UBSEC_DEBUG opt_ubsec.h 514UBSEC_RNDTEST opt_ubsec.h 515UBSEC_NO_RNG opt_ubsec.h 516 517# options for hifn driver 518HIFN_DEBUG opt_hifn.h 519HIFN_RNDTEST opt_hifn.h 520HIFN_NO_RNG opt_hifn.h 521 522# ed driver 523ED_NO_MIIBUS opt_ed.h 524