2 # Mach Operating System
3 # Copyright (c) 1986 Carnegie-Mellon University
4 # All rights reserved. The CMU software License Agreement
5 # specifies the terms and conditions for use and redistribution.
7 #######################################################################
9 # Master machine independent configuration file.
11 # Specific configuration files are created based on this and
12 # the machine specific master file using the doconf script.
14 # Any changes to the master configuration files will affect all
15 # other configuration files based upon it.
17 #######################################################################
19 # To build a configuration, execute "doconf <configuration>."
20 # Configurations are specified in the "Configurations:" section
21 # of the MASTER and MASTER.* files as follows:
23 # <configuration> = [ <attribute0> <attribute1> ... <attributeN> ]
25 # Lines in the MASTER and MASTER.* files are selected based on
26 # the attribute selector list, found in a comment at the end of
27 # the line. This is a list of attributes separated by commas.
28 # The "!" operator selects the line if none of the attributes are
33 # <foo,bar> selects a line if "foo" or "bar" are specified.
34 # <!foo,bar> selects a line if neither "foo" nor "bar" is
37 # Lines with no attributes specified are selected for all
40 #######################################################################
42 # STANDARD CONFIGURATION OPTIONS (select any combination)
44 # debug = extra kernel level debugging support
47 # EXPERIMENTAL CONFIGURATION OPTIONS (select any combination, carefully)
49 # host = host resource control support
51 # MULTI-PROCESSOR CONFIGURATION (select at most one)
53 # multi16 = enable 16 multi-processors
54 # multi32 = enable 32 multi-processors
55 # multi48 = enable 48 multi-processors
57 # SYSTEM SIZE CONFIGURATION (select exactly one)
59 # xlarge = extra large scale system configuration
60 # large = large scale system configuration
61 # medium = medium scale system configuration
62 # small = small scale system configuration
63 # xsmall = extra small scale system configuration
64 # bsmall = special extra small scale system configuration
66 #######################################################################
68 # Standard Mach Research Configurations:
69 # -------- ---- -------- ---------------
71 # These are the default configurations that can be used by most sites.
72 # They are used internally by the Mach project.
74 # MACH = [mach multi16 medium debug]
76 #######################################################################
80 # obsolete timezone spec
81 options TIMEZONE=0, PST=0
83 options QUOTA # # <quota>
84 options INET # # <inet>
85 options ABSOLUTETIME_SCALAR_TYPE
86 options NEW_VM_CODE # # <newvm>
87 options OLD_VM_CODE # # <!newvm>
88 options HW_AST # Hardware ast support # <hw_ast>
89 options HW_FOOTPRINT # Cache footprint support # <hw_foot>
90 options CONFIG_LCTX # Login Context
92 options MACH # Standard Mach features # <mach>
93 options MACH_ASSERT # Compile in assertions # <mach_assert>
94 options MACH_COMPAT # Vendor syscall compatibility # <mach>
95 options MACH_COUNTERS # counters # <count>
96 options MACH_DEBUG # IPC debugging interface # <mdebug>
97 options MACH_FASTLINK # Fast symbolic links
98 options MACH_FIXPRI # Fixed priority threads # <fixpri>
99 options MACH_HOST # Mach host (resource alloc.) # <host>
100 options MACH_IPC_COMPAT # Enable old IPC interface # <ipc_compat>
101 options MACH_IPC_DEBUG # Enable IPC debugging calls # <ipc_debug>
102 options MACH_IPC_TEST # Testing code/printfs # <ipc_test>
103 options MACH_LDEBUG # Sanity-check simple locking # <test>
104 options MACH_NP # Mach IPC support # <np>
105 options MACH_NBC # No buffer cache # <nbc>
106 options MACH_NET # Fast network access # <mach_net>
107 options MACH_XP # external pager support # <xp>
108 options NORMA_IPC # NORMA IPC support # <norma_ipc>
109 options NORMA_DEVICE # NORMA unified device names # <norma_device>
110 options NORMA_VM # NORMA virtual memory support # <norma_vm>
111 options NORMA_TASK # NORMA task support # <norma_task>
112 options NORMA_ETHER # NORMA across ethernet # <norma_ether>
113 options SIMPLE_CLOCK # don't assume fixed tick # <simple_clock>
114 options XPR_DEBUG # kernel tracing # <xpr_debug>
115 options KDEBUG # kernel tracing # <kdebug>
116 options DDM_DEBUG # driverkit-style tracing # <ddm_debug>
117 options MACH_OLD_VM_COPY # Old vm_copy technology # <!newvm>
118 options NO_DIRECT_RPC # for untyped mig servers #
119 options IPX # ipx stack # <ipx>
120 options EON # # <eon>
121 options ISO # ISO stack # <iso>
122 options LLC # 802.2 support # <llc>
123 options LOOP # loopback support # <loop>
124 options MROUTING # multicast routing # <mrouting>
125 options ROUTING # routing # <routing>
126 options NETMIBS # # <netmibs>
127 options VLAN # # <vlan>
128 options BOND # # <bond>
129 options IPDIVERT # Divert sockets (for NAT) # <ipdivert>
130 options IPFIREWALL # IP Firewalling (used by NAT) # <ipfirewall>
131 options IPFIREWALL_FORWARD #Transparent proxy # <ipfirewall>
132 options IPFIREWALL_DEFAULT_TO_ACCEPT # allow everything by default # <ipfirewall>
133 options DUMMYNET # dummynet support # <dummynet>
134 options TRAFFIC_MGT # traffic management support # <traffic_mgt>
135 options IPFW2 # IP firewall (new version) # <ipfw2>
136 options MULTICAST # Internet Protocol Class-D $
137 options TCPDEBUG # TCP debug # <tcpdebug>
138 options RANDOM_IP_ID # random (not sequential) ip ids # <randomipid>
139 options TCP_DROP_SYNFIN # Drop TCP packets with SYN+FIN set # <tcpdrop_synfin>
140 options ICMP_BANDLIM # ICMP bandwidth limiting sysctl
141 options IFNET_INPUT_SANITY_CHK # allow dlil/ifnet input sanity check # <ifnet_input_chk>
142 options AUDIT # Security event auditing # <audit>
143 options SYSV_SEM # SVID semaphores # <sysv_sem>
144 options SYSV_MSG # SVID messages # <sysv_msg>
145 options SYSV_SHM # SVID shared mem # <sysv_shm>
146 options PANIC_INFO # want kernel panic info # <panic_info>
147 options DEVELOPMENT # dev kernel # <development>
149 # secure_kernel - secure kernel from user programs
150 options SECURE_KERNEL # <secure_kernel>
155 options SOCKETS # socket support # <inet, inet6, netat>
156 options COMPAT_43_TTY # 4.3 BSD tty compat # <compat_43_tty>
157 options DIAGNOSTIC # diagnostics # <diagnostic>
158 options CONFIG_DTRACE # dtrace support # <config_dtrace>
159 options GPROF # build profiling # <profile>
160 options SENDFILE # sendfile # <sendfile>
161 options NETWORKING # networking layer # <inet, inet6, netat>
162 options CONFIG_FSE # file system events # <config_fse>
163 options CONFIG_IMAGEBOOT # local image boot # <config_imageboot>
164 options CONFIG_SOWUPCALL # SB_UPCALL on sowwakeup # <config_sowupcall>
165 options CONFIG_FORCE_OUT_IFP # Force IP output to use an interface # <config_force_out_ifp>
166 options CONFIG_MBUF_NOEXPAND # limit mbuf expansion # <config_mbuf_noexpand>
167 options CONFIG_MBUF_JUMBO # jumbo cluster pool # <config_mbuf_jumbo>
168 options CONFIG_IP_EDGEHOLE # Drop tagged packets at EDGE interface # <config_ip_edgehole>
170 options CONFIG_WORKQUEUE # <config_workqueue>
175 options FFS # Fast Filesystem Support # <ffs>
176 options HFS # HFS/HFS+ support # <hfs>
177 options FIFO # fifo support # <fifo>
178 options UNION # union_fs support # <union>
179 options FDESC # fdesc_fs support # <fdesc>
180 options CD9660 # ISO 9660 CD-ROM support # <cd9660>
181 options DEVFS # devfs support # <devfs>
182 options JOURNALING # journaling support # <journaling>
185 # file system features
187 options QUOTA # file system quotas # <quota>
188 options REV_ENDIAN_FS # Reverse Endian FS # <revfs>
189 options NAMEDSTREAMS # named stream vnop support # <namedstreams>
190 options CONFIG_VOLFS # volfs path support (legacy) # <config_volfs>
195 options NFSCLIENT # Be an NFS client # <nfsclient>
196 options NFSSERVER # Be an NFS server # <nfsserver>
201 options NETAT # AppleTalk support # <netat>
202 #options AURP_SUPPORT # AppleTalk Update Routing # <netat>
205 # Machine Independent Apple Features
207 options KERNSERV # kernel_server intarface # <kernserv>
208 options MALLOCDEBUG # kernel malloc debugging # <mallocdebug>
209 options DRIVERKIT # driverkit support # <driverkit>
210 options KERNOBJC # Objective-C support # <kernobjc>
211 options OBJCTEST # Objc internal test # <objctest>
212 options KERNEL_STACK # MI kernel stack support # <kernstack>
213 profile # build a profiling kernel # <profile>
216 # Point-to-Point Protocol support
218 pseudo-device ppp 2 # <ppp>
223 options "INET6" # kernel IPv6 Support # <inet6>
224 options IPSEC # IP security # <ipsec>
225 options IPSEC_ESP # IP security # <ipsec>
226 options "IPV6FIREWALL" # IPv6 Firewall Feature # <ipv6firewall>
227 options "IPV6FIREWALL_DEFAULT_TO_ACCEPT" #IPv6 Firewall Feature # <ipv6firewall>
228 #options "IPV6FIREWALL_VERBOSE" #IPv6 Firewall Feature # <ipv6firewall>
230 pseudo-device gif 1 # <gif>
231 pseudo-device dummy 2 # <dummy>
232 pseudo-device faith 1 # <faith>
233 pseudo-device stf 1 # <stf>
235 options crypto # <ipsec,crypto>
236 options ALLCRYPTO # <xlarge,large,medium>
237 options randomipid # <inet,randomipid>
239 options ZLIB # inflate/deflate support # <zlib>
241 makeoptions LIBDRIVER = "libDriver_kern.o" # <libdriver>
242 makeoptions LIBOBJC = "libkobjc.o" # <kernobjc>
244 maxusers 64 # <xlarge>
245 maxusers 50 # <large>
246 maxusers 32 # <medium>
247 maxusers 16 # <small>
248 maxusers 8 # <xsmall>
249 maxusers 2 # <bsmall>
252 # Multi-processor selection
254 pseudo-device cpus 64 # <multi64>
255 pseudo-device cpus 32 # <multi32>
256 pseudo-device cpus 16 # <multi16>
257 pseudo-device cpus 2 # <multi2>
258 pseudo-device cpus 1 # <!multi64,multi32,multi16,multi2>
261 # configurable kernel event related resources
263 options CONFIG_KN_HASHSIZE=64 # <medium,large,xlarge>
264 options CONFIG_KN_HASHSIZE=48 # <small,xsmall>
265 options CONFIG_KN_HASHSIZE=20 # <bsmall>
268 # configurable vfs related resources
269 # CONFIG_VNODES - used to pre allocate vnode related resources
270 # CONFIG_VNODE_FREE_MIN - mininmum number of free vnodes
271 # CONFIG_NC_HASH - name cache hash table allocation
272 # CONFIG_VFS_NAMES - name strings
274 # 263168 magic number for medium CONFIG_VNODES is based on memory
275 # Number vnodes is (memsize/64k) + 1024
276 # This is the calculation that is used by launchd in tiger
277 # we are clipping the max based on 16G
278 # ie ((16*1024*1024*1024)/(64 *1024)) + 1024 = 263168;
280 options CONFIG_VNODES=263168 # <large,xlarge>
281 options CONFIG_VNODES=263168 # <medium>
282 options CONFIG_VNODES=10240 # <small>
283 options CONFIG_VNODES=1024 # <xsmall>
284 options CONFIG_VNODES=640 # <bsmall>
286 options CONFIG_VNODE_FREE_MIN=500 # <large,xlarge>
287 options CONFIG_VNODE_FREE_MIN=300 # <medium>
288 options CONFIG_VNODE_FREE_MIN=200 # <small>
289 options CONFIG_VNODE_FREE_MIN=100 # <xsmall>
290 options CONFIG_VNODE_FREE_MIN=75 # <bsmall>
292 options CONFIG_NC_HASH=5120 # <large,xlarge>
293 options CONFIG_NC_HASH=4096 # <medium>
294 options CONFIG_NC_HASH=2048 # <small,xsmall>
295 options CONFIG_NC_HASH=1024 # <bsmall>
297 options CONFIG_VFS_NAMES=5120 # <large,xlarge>
298 options CONFIG_VFS_NAMES=4096 # <medium>
299 options CONFIG_VFS_NAMES=3072 # <small,xsmall>
300 options CONFIG_VFS_NAMES=2048 # <bsmall>
303 # configurable kauth credential related resources
305 options KAUTH_CRED_PRIMES_COUNT=7 # <medium,large,xlarge>
306 options KAUTH_CRED_PRIMES_COUNT=3 # <bsmall,xsmall,small>
308 options KAUTH_CRED_PRIMES="{97, 241, 397, 743, 1499, 3989, 7499}" # <medium,large,xlarge>
309 options KAUTH_CRED_PRIMES="{5, 17, 97}" # <bsmall,xsmall,small>
312 # configurable options for minumum number of buffers for kernel memory
314 options CONFIG_MIN_NBUF=256 # <medium,large,xlarge>
315 options CONFIG_MIN_NBUF=128 # <small>
316 options CONFIG_MIN_NBUF=80 # <xsmall>
317 options CONFIG_MIN_NBUF=64 # <bsmall>
319 options CONFIG_MIN_NIOBUF=128 # <medium,large,xlarge>
320 options CONFIG_MIN_NIOBUF=64 # <xsmall,small>
321 options CONFIG_MIN_NIOBUF=32 # <bsmall>
324 # set maximum space used for packet buffers
326 options CONFIG_NMBCLUSTERS="((1024 * 1024) / MCLBYTES)" # <large,xlarge>
327 options CONFIG_NMBCLUSTERS="((1024 * 512) / MCLBYTES)" # <medium>
328 options CONFIG_NMBCLUSTERS="((1024 * 256) / MCLBYTES)" # <bsmall,xsmall,small>
330 # set maximum space used for packet buffers
332 options CONFIG_USESOCKTHRESHOLD=1 # <large,xlarge,medium>
333 options CONFIG_USESOCKTHRESHOLD=0 # <bsmall,xsmall,small>
336 # Configure size of TCP hash table
338 options CONFIG_TCBHASHSIZE=4096 # <medium,large,xlarge>
339 options CONFIG_TCBHASHSIZE=128 # <xsmall,small,bsmall>
342 # configurable async IO options
343 # CONFIG_AIO_MAX - system wide limit of async IO requests.
344 # CONFIG_AIO_PROCESS_MAX - process limit of async IO requests.
345 # CONFIG_AIO_THREAD_COUNT - number of async IO worker threads created.
347 options CONFIG_AIO_MAX=360 # <xlarge>
348 options CONFIG_AIO_MAX=180 # <large>
349 options CONFIG_AIO_MAX=90 # <medium>
350 options CONFIG_AIO_MAX=45 # <small>
351 options CONFIG_AIO_MAX=20 # <xsmall>
352 options CONFIG_AIO_MAX=10 # <bsmall>
354 options CONFIG_AIO_PROCESS_MAX=64 # <xlarge>
355 options CONFIG_AIO_PROCESS_MAX=32 # <large>
356 options CONFIG_AIO_PROCESS_MAX=16 # <medium>
357 options CONFIG_AIO_PROCESS_MAX=12 # <small>
358 options CONFIG_AIO_PROCESS_MAX=8 # <xsmall>
359 options CONFIG_AIO_PROCESS_MAX=4 # <bsmall>
361 options CONFIG_AIO_THREAD_COUNT=16 # <xlarge>
362 options CONFIG_AIO_THREAD_COUNT=8 # <large>
363 options CONFIG_AIO_THREAD_COUNT=4 # <medium>
364 options CONFIG_AIO_THREAD_COUNT=3 # <small>
365 options CONFIG_AIO_THREAD_COUNT=2 # <xsmall,bsmall>
368 # configurable kernel related resources (CONFIG_THREAD_MAX needs to stay in
369 # sync with osfmk/conf/MASTER until we fix the config system...) todo XXX
371 options CONFIG_THREAD_MAX=2560 # <medium,large,xlarge>
372 options CONFIG_THREAD_MAX=1536 # <small,xsmall>
373 options CONFIG_THREAD_MAX=1024 # <bsmall>
375 options CONFIG_MAXVIFS=32 # <medium,large,xlarge>
376 options CONFIG_MAXVIFS=16 # <small,xsmall>
377 options CONFIG_MAXVIFS=2 # <bsmall>
379 options CONFIG_MFCTBLSIZ=256 # <medium,large,xlarge>
380 options CONFIG_MFCTBLSIZ=128 # <small,xsmall>
381 options CONFIG_MFCTBLSIZ=16 # <bsmall>
384 # configurable kernel - use these options to strip strings from panic
386 # no_panic_str - saves around 50K of kernel footprint.
387 # no_printf_str - saves around 45K of kernel footprint.
389 options CONFIG_NO_PANIC_STRINGS # <no_panic_str>
390 options CONFIG_NO_PRINTF_STRINGS # <no_printf_str>
391 options CONFIG_NO_KPRINTF_STRINGS # <no_kprintf_str>
394 # configurable kernel - general switch to say we are building for an
397 options CONFIG_EMBEDDED # <config_embedded>
400 # code decryption... used on embedded for app protection
401 # must be set in all the bsd/conf and osfmk/conf MASTER files
403 options CONFIG_CODE_DECRYPTION # <config_embedded>
409 pseudo-device ether # <networking,inet,inet6,netat>
411 # Network loopback device
413 pseudo-device loop # <networking,inet,inet6,netat>
415 # UCB pseudo terminal service
417 pseudo-device pty 512 init pty_init # <xlarge>
418 pseudo-device pty 256 init pty_init # <large>
419 pseudo-device pty 128 init pty_init # <medium>
420 pseudo-device pty 48 init pty_init # <small>
421 pseudo-device pty 16 init pty_init # <xsmall>
422 pseudo-device pty 8 init pty_init # <bsmall>
424 # Cloning pseudo terminal service
426 pseudo-device ptmx 1 init ptmx_init
431 pseudo-device vndevice 16 init vndevice_init # <xlarge>
432 pseudo-device vndevice 8 init vndevice_init # <large>
433 pseudo-device vndevice 4 init vndevice_init # <medium>
434 pseudo-device vndevice 3 init vndevice_init # <small>
435 pseudo-device vndevice 2 init vndevice_init # <bsmall>
439 pseudo-device mdevdevice 1 init mdevinit
443 # packet filter device
445 pseudo-device bpfilter 4 init bpf_init # <networking,inet,inet6,netat>
449 pseudo-device fsevents 1 init fsevents_init # <config_fse>
452 # shim to "linux" mach disk drivers (mach drivers must also be turned on)
454 # now using iokit disk shim, this is code is obsolete
455 #pseudo-device diskshim
457 pseudo-device random 1 init random_init
458 pseudo-device dtrace 1 init dtrace_init # <config_dtrace>
459 pseudo-device helper 1 init helper_init # <config_dtrace>
460 pseudo-device lockstat 1 init lockstat_init # <config_dtrace>
461 pseudo-device sdt 1 init sdt_init # <config_dtrace>
462 pseudo-device systrace 1 init systrace_init # <config_dtrace>
463 pseudo-device fbt 1 init fbt_init # <config_dtrace>
464 pseudo-device profile_prvd 1 init profile_init # <config_dtrace>