Program call services in the system function table

Table 1 lists the program calls by number (in hexadecimal), with their related services and modules.

Table 1. Summary of z/OS program calls
PC number (hex) Service description Component or module
00000000 Linkage index reserve IEAVXLRE
00000001 Linkage index free IEAVXLFR
00000002 Entry table create IEAVXECR
00000003 Entry table destroy IEAVXEDE
00000004 Entry table connect IEAVXECO
00000005 Entry table disconnect IEAVXEDI
00000006 Authorization index reserve IEAVXRFE
00000007 Authorization index free IEAVXRFE
00000008 Authorization index extract IEAVXRFE
00000009 Authorization index set IEAVXSET
0000000A Authorization table set IEAVXSET
0000000B PC/AUTH resource manager IEAVXPAM
0000000C For use by IBM® code only IEAVXREX
0000000D ALESERV ADD/ADDPASN services IEAVXALA
0000000E ALESERV DELETE service IEAVXALD
0000000F ALESERV EXTRACT/EXTRACTH services IEAVXALE
00000010 ALESERV SEARCH service IEAVXALS
00000011 DualPool Router  
00000102 ENQ/DEQ/RESERVE resource termination manager ISGGTRM1
00000103 Global resource serialization dump services ISGDGCB0
00000104 Global resource serialization queue scan services (SCOPE is STEP, SYSTEM, or SYSTEMS) ISGQSC
00000105 Global resource serialization storage management interface ISGSMI
00000106 Global resource serialization QScan services (SCOPE is LOCAL or GLOBAL) ISGQSC
00000107 Cross Memory DEQ Service, LINKAGE=SYSTEM ISGGRT
00000108 Cross Memory ENQ Service, LINKAGE=SYSTEM ISGGRT
00000109 Global resource serialization mainline ESTAE routine ISGGEST0
0000010C GRS Latch internal processing ISGLRLQE
0000010D GRS Latch CREATE service ISGLCRTS
0000010E GRS Latch internal processing ISGLRTR
0000010F GRS Latch PURGE service ISGLPRGS
00000110 GRS Latch internal processing ISGLTM
00000111 GRS Latch internal processing -ISGLTM2 ISGLTM
00000112 GRS Latch PURGE by address space services ISGLPRBA
00000113 GRS SETGRS command internal processing ISGCSETP
00000114 GRS ISGECA service and DISPLAY GRS,ANALYZE command ISGCDANG
00000115 GRS Latch internal processing ISGLDELS
00000117 GRS Internal processing ISGSCPME
0000011A ISGENQ service ISGGRT
0000011B ISGQUERY service ISGQPC
0000011C ISGADMIN service ISGGADMN
0000011D Non-cross memory ENQ service (LINKAGE=SVC) redrives to GRS ISGGRT
0000011E Non-cross memory DEQ service (LINKAGE=SVC) redrives to GRS ISGGRT
0000011F Non-cross memory ENQ or DEQ services (LINKAGE=SVC) wait for redriving to GRS ISGGRT
00000120 Generic PC to GRS address space to perform various functions ISGGHOM
00000200 Display allocation tables manager IEFHB410
00000201 DALT Dynamic Activate Config change IEFHB420
000000202 Allocation Component Trace Record IEFCTRCD
00000203 ATS Tape sharing Operations IEFHB4IG
00000204 Allocation Device Management (offline, online, unload) IEFHBPDF
00000300 VSM CPOOL build service IGVCPBDP
00000301 VSM CPOOL expansion interface IGVCPEXP
00000302 VSM CPOOL delete service IGVCPDLP
00000303 VSMLIST service IGVLISTP
00000304 VSMLOC service IGVLOCP
00000305 CPUTIMER service IEAVRT04
00000306 Virtual fetch CSVVFORK service CSVVFORK
00000307 Data-in-virtual ITVCCTL
00000308 Symptom records ASRSERVP
00000309 LSEXPAND service IEAVLSEX
0000030A LOCASCB STOKEN= service IEAVESTA
0000030B Storage obtain IGVVSTOR
0000030C RTM dynamic resource manager IEAVTR2C
0000030D WAIT LINKAGE=SYSTEM service IEAVEWTP
0000030E POST LINKAGE=SYSTEM service IEAVEPTP
0000030F PC-ESTAE Service IEAVSTAI
00000310 ASCRE/ASDES/ASEXT services ASEMAIN
00000311 Storage release IGVVSTOR
00000312 TCBTOKEN service IEAVTTKN
00000313 TESTART service IEAVXTAR
00000314 CSVQUERY Service CSVQYSRV
00000315 For use by IBM code only ITVCF
00000316 TIMEUSED Service IEATTUSD
00000317 SRB SUSPEND with Token IEAVSRBS
00000318 SRB RESUME with Token IEAVSRBR
00000319 SRB Purge with Token IEAVSRBP
0000031A LLACOPY Service CSVLLCPY
0000031B RCFSTAT Service IEEUSTAT
0000031C RCFCONF Service IEEULCFG
0000031D AFFINITY Service IEAVEAFN
0000031E SDOM Connect service COFMCONN
0000031F SDOM Disconnect service COFMDISC
00000320 CTRACEWR - Write Service ITTTWRIT
00000321 PC TIME Service IEATTIME
00000322 UCB Service Authorized IOSVUPCR
00000323 UCB Service Unauthorized IOSVUPCR
00000324 Configuration Change Manager IOSVCCMI
00000325 Unit Verification Services IEFEISO1
00000326 Name token services IEANTCRS
00000327 Name token services IEANTDLS
00000328 CONVTOD service IEATCNVT
00000329 Dynamic APF service CSVQUERY
0000032A APPC service routine ATBMIPTE
0000032B Dynamic Exit Support CSVEXPR
0000032C CSRL16J service CSRL16JP
0000032D SCHEDIRB service IEAVEIRB
0000032E IOS Support IOSVCOPR
0000032F HCD microprocessor cluster support CBDMSHSD
00000330 TESTART CADS ALET service IEAVXTR1
00000331 SCHEDSRB IEAVSCHD
00000333 HCD sysplex services (HSS) interface routine CBDMSHSS
00000334 Captured UCB Services IOSVCAPU
00000335 Allocation DD Service IEFDIS01
00000336 ETR Information IEATETRI
00000337 LOGGER Router IXGL2RTE
00000338 RTM Linkage Stack Query IEAVTLSQ
00000339 LOGGER Router IXGL2RTI
0000033A IOS Support IOSVCDRP
0000033B Dynamic Linklist CSVDLPR
0000033C Authorized Command Exit Manager IEAVEAEM
0000033D Logical Parmlib Service IEFPIS01
0000033E Context Services Router CTXROUTE
0000033F Product Enable/Disable IFAEDPCT
00000340 Dynamic LPA CSVLPPR
00000342 Enhanced PURGEDQ IEAVPDQX
00000343 IEAMQRY IEAVQRY
00000344 Context Services Router CTXROUTE
00000345 IEAFP IEAVEFPR
00000346 IEARR Service IEAVSTA1
00000347 IEARR Service IEAVSTA1
00000348 CSRSI Service CSRSIPR
00000349 RRS Set Environment ATRUMSEN
0000034A RRS Retrieve Environment ATRUMREN
0000034B Client License Services ILMPRPCT
0000034C LE Services CELSPCTK
0000034D LE Services CELSPCTK
0000034E Create Name/Token Pair IEAN4CRS
0000034F Delete Name/Token Pair IEAN4DLS
00000350 IPCS Storage Access BLS1ACTV
00000351 ILMQUERY ILMPQRY
00000352 RRS router ATRBMIPC
00000353 Unicode services CUNMZPC
00000354 Supervisor internal processing IEAVIFAP
00000355 VSAM record management IDA0DBUG
00000356 CTRACE ITTTWRTX
00000357 IEAARR Service IEAVTR4A
00000358 EAV DEVMAN service routine DMODA002
00000359 IEAARR Service IEAVTR4A
0000035A CSV internal processing CSVGETRP
0000035B Autoconfiguration service routine IOSVDACI
0000035C HISUSER service routine HISNUSER
0000035D IEATXDC service routine IEAVETX0
0000035E JCL Symbol Retrieve service routine IEFSJSR1
00000400 Consoles Cross-memory Service Routine IEAVH600
00000401 MCSOPER service IEAVG712
00000402 CONVCON service CNZC1CVC
00000403 Consoles internal processing IEAVH602
00000404 Consoles internal processing IEAVH700
00000405 Consoles internal processing IEAVG709
00000406 Consoles internal processing IEAVH601
00000407 Reserved IEAVQ701
00000408 Consoles internal processing IEAVH701
00000409 CMDAUTH service IEECB920
0000040A Consoles internal processing IEAVH702
0000040B Consoles internal processing IEAVQ702
0000040C Consoles internal processing IEAVH705
0000040D Consoles internal processing IEEMB914
0000040E Consoles internal processing IEAVH703
0000040F Consoles internal processing CNZM1CTW
00000410 IEEVARYD service IEEHB800
00000411 Consoles internal processing IEAVH708
00000412 Reserved IEAVG630
00000413 Consoles internal processing IEAVH607
00000414 IEEQEMCS service IEECB884
00000415 IEECMDS service IEECB894
00000416 CNZTRKR service CNZMTRIR
00000417 Consoles internal processing CNZMTRLG
00000418 Consoles internal processing CNZMTREX
00000419 Consoles internal processing CNZMLPRG
0000041A Consoles internal processing CNZS1WQE
0000041B Consoles internal processing CNZS1TRC
0000041C Consoles internal processing CNZM2PRG
0000041D Consoles internal processing CNZM1QPR
0000041E Consoles internal processing CNZM1ERB
0000041F Consoles internal processing CNZH1CKB
00000420 Consoles internal processing CNZC2GCI
00000421 Consoles internal processing CNZM1CCI
00000422 CnzConv service CNZC2CVC
00000423 Consoles internal processing CNZMTWTL
00000500

System trace services
System trace control block verification routine
System trace environment alteration routine
System trace processor alteration routine
System trace processor snapshot routine
System trace processor verification routine
System trace table snapshot data extraction routine
System trace table snapshot routine
System trace ALTRTRC suspend, resume, PSTART routine
System trace table snapshot filter routine
Transaction Trace Entry Record Routine

The system trace system-provided program call routines are established by system trace separately from the SFT.

IEAVETCV
IEAVETEA
IEAVETPA
IEAVETPS
IEAVETPV
IEAVETSD
IEAVETSN
IEAVETSP
IEAVETTF

ITZRRCD
00000600 Virtual fetch CSVVFSCH service CSVVFSCH
00000700 SMF buffering routine IFAPCWTR
00000800 Library lookaside (LLA) Contents Supervision
00000900
  • Data space PC service - DSPSERV router
  • Data space PC service - Enabled data space page faults
  • Data space PC service - Disabled data space page faults
  • RSM
  • RSM
  • RSM
00000A00
  • Virtual lookaside facility - retrieve object
  • Virtual lookaside facility - define class
  • Virtual lookaside facility - purge class
  • Virtual lookaside facility - identify user
  • Virtual lookaside facility - remove user
  • Virtual lookaside facility - create object
  • Virtual lookaside facility - notify
  • Virtual lookaside facility - identify user (part 2)
  • Virtual lookaside facility - allocation notification
  • Virtual lookaside facility - identify user (part 1)
  • Virtual lookaside facility - trace
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
  • VLF
00000B00 XCF XCF
00000C00 Reserved for DFP use DFP
00000D00 MVS/APPC Scheduler APPC
00000E00 LLACOPY Service Contents supervision
00000F00 SDOM Services SDOM
00001000 MVS™ Message Service MVS Message Service
00001100 MVS/APPC Scheduler APPC
00001300 z/OS® UNIX System Services space switch services BPXJCSS
00001301 z/OS UNIX System Services nonspace switch services BPXJCPC
00001302 z/OS UNIX System Services authorized space switch services BPXJCPC
00001303 z/OS UNIX System Services space switch services for special callable services BPXJCSS
00001400 Reserved  
00001401 Performance block (PB) create service IWMX2CRE
00001402 Performance block (PB) delete service IWMX2DEL
00001403 Performance block (PB) relate service IWMX2REL
00001405 Performance block (PB) switch service IWMX2SWC
00001406 Performance block (PB) disconnect service IWMW2DIS
00001407 Performance block (PB) connect service IWMW2CON
00001408 Work manager query service IWMP2RSC
00001409 Policy management read service policy IWMP2REQ
0000140A Policy management vary policy service IWMP2VRY
0000140B Policy management install SVDEF service IWMP2REQ
0000140C Policy management read SVDEF service IWMP2REQ
0000140D Administrative application authorization service IWMA2PMI
0000140E Workload reporting collect service IWMW3COL
0000140F Workload reporting query service IWMW3QRY
00001410 Policy management CDS state change service IWMP2REQ
00001411 Work manager lock service IWMW2LCK
00001412 Operations display WLM support IWMO2REQ
00001413 Work manager query service IWMW2QWK
00001414 Generic resource registration IWMW4GRR
00001415 Generic resource selection IWMW4GRS
00001416 Recovery and dumping SDATA (WLM) service IWMM2DMP
00001417 Workload reporting RESMGR routine IWMW3SRB
00001418 Enclave create IWMW2CRE
00001419 Enclave delete IWMW2DEL
0000141A Enclave classification query IWMW2EQY
0000141B System capacity query IWMW4SCQ
0000141C Sysplex routing registration IWMW4SR2
0000141D Sysplex routing deregistration IWMW4UR2
0000141E Sysplex routing selection IWMW4SRS
0000141F Service definition install IWMP2PRQ
00001420 Service definition extract IWMP2PRQ
00001421 Return active classification rules IWMP2RE2
00001422 Policy activation external IWMP2PRQ
00001423 Work manager modify connect IWMW2MCO
00001424 Queue manager connect IWMQ2CON
00001425 Queue manager disconnect IWMQ2DIS
00001426 Queue manager insert IWMQ2INS
00001427 Queue manager delete IWMQ2DEL
00001428 Server environment manager connect IWME2CON
00001429 Server environment manager disconnect IWME2DIS
0000142A Server environment manager select IWME2SEL
0000142B Execution delay register IWMX2REG
0000142C Execution delay deregister IWMX2DRG
0000142D Enclave join service IWMW2JOI
0000142E Enclave leave service IWMW2LEA
0000142F Begin server transaction service IWME2BGN
00001430 End server transaction service IWME2END
00001431 Environment manager command interface IWME2REQ
00001432 Reserved  
00001433 Sysplex routing find server service IWMW4FSV
00001434 Verify data structures for QM and EM IWMQ2VEQ
00001435 Write symptom record IWMM2SYM
00001436 EM Server Refresh IWME2SRF
00001437 Scheduling Environment Query Service IWMS4QRY
00001438 Scheduling Environment Set Service IWMS4SET
00001439 Scheduling Environment Validate Service IWMS4VAL
0000143A Scheduling Environment Determine Execution Service IWMS4DES
0000143B Batch Queue Registration IWME2REG
0000143C Batch Queue Deregistration IWME2DRG
0000143D Sysplex Router Query Service IWMW4DNS
0000143E Reset Job Service Routine IWMW2RES
0000143F Update Service Class Token IWMP2RE3
00001440 WLM OE Get Address Space IWME2WON
00001441 WLM OE Delete Address Space IWME2FGT
00001442 WLM OE Get work Service IWME2NOW
00001443 Sysplex Capacity Query Service IWMD3BAT
00001444 Batch Init Connect IWME2BCN
00001445 Batch Init Job Select IWME2BSL
00001446 Server Manager Inform Service IWME2INF
00001447 Application Environment Limit Service IWME2LIM
00001448 Demand Batch Select Locator IWME2BLC
00001449 Demand Batch Initiator Requestor IWME2BRQ
0000144A Batch Queue Query Service IWME2BQY
0000144B Batch Initiator Placement IWME2RIP
0000144C BQS Queue Verifier IWMD3BQV
0000144D EM Select Secondary Service IWME2SEM
0000144E EM Delete Secondary Work IWME2SV1
0000144F WLM Control Region Register IWMW4CRR
00001450 WLM Control Region Deregister IWMW4CRD
00001451 WLM Control Region Get Group Names IWMW4GCN
00001452 WLM Build Routing Group IWMW4BRG
00001453 WLM Control Region Recommend IWMW4CRI
00001454 WLM Build Routing Table IWMW4BRT
00001455 WLM Control Region Reporting IWMW4CRN
00001456 WLM Export Service IWMC3EXP
00001457 WLM Import Service IWMC3IMP
00001458 WLM Undo Export Service IWMC3UEX
00001459 WLM Undo Import Service IWMC3UIM
0000145A Export/Import Connect Service IWMC3CON
0000145B Export/Import Disconnect Service IWMC3DIS
0000145C Cleanup Latch resources IWMC3CLR
0000145D Get PB Transaction Trace token from active IWMW2GPB
0000145E Dynamic Channel Path Management Timestamp Service IWMC4TMP
0000145F Dynamic Channel Path Management Project I/O Velocity™ Service IWMC4PIV
00001460 LPAR Management CPU Affinity Service IWMC4CAF
00001461 Dynamic Channel Path Management Switch Timestamp Service IWMC4SWT
00001462 Temporal Affinity Service IWME2TAF
00001463 Delete Region Work IWME2SV2
00001464 WLM Enclave Register Service IWMW2ERG
00001465 WLM Enclave Deregister Service IWMW2EDR
00001466 Queue IRD Command IWML4QIC
00001467 Reserved  
00001468 Reserved  
00001469 Reserved  
0000146A Change an Enclave IWMW2ERE
0000146B WLM Contention Notification Service IWMR2CNT
0000146C Define Application Environment IWMQ2DAE
0000146D Work Request Start Service IWMW2WRS
0000146E Work Request Stop Service IWMW2WRP
0000146F Work Request Block Service IWMW2WRB
00001470 Work Request Unblock Service IWMW2WRU
00001471 Correlator Retrieval Service IWMW2GCR
00001472 ARM Services Router IWMA3BRI
00001473 EWLM Function Router IWMA3PCR
00001475 EWLM Get Completion Phase 1 IWMA3RC1
00001504 System Logger Logger
00001600 BOSS BOSS
00001700 IOS Space Switching Service IOSVIOSW
00001800 BCPii services  
00001900 HIS Services HISSSERV
Parent topic: System Reference