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Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
SGPBK
Cross Reference (Contains links to field and bit definitions)
SGPBK Prolog
NAME : HCPSGPBK
DESCRIPTION: Segment Space/Saved System Parameter
Control Block.
DSECT : SGPBK
FUNCTION : The HCPSGPBK is a parameter area used for
Diagnose X'64' calls and calls to HCPNSJ.
LOCATED BY : None
CREATED BY : HCPNSI, HCPNSL, HCPNSJ
DELETED BY : HCPNSI, HCPNSL, HCPNSJ
SGPBK Control Block Content
SGPBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SGPBK Segment Space/Saved System Parameter 0000 0 Signed 4 SGPSSTRT Beginning address of segment Space 0004 4 Signed 4 SGPSEND Ending address of segment Space 0008 8 Address 4 SGPMSEG Member segment SNTBK address 000C 12 Address 4 SGPSEGSP Segment Space SNTBK address 0010 16 Address 4 SGPSDFPT SDFBK Address 0014 20 Address 4 SGPSHRBK SHRBK address 0018 24 Address 4 SGPSPNAM Address of Space name to be loaded - obtained from DIAG 64 issuer 001C 28 Address 4 SGPSPSNT Address of the SNTBK on the SPTape Queue that will used to defer Loads and IPLs. 0020 32 Signed 4 SGPREGS (13) Register save area 0054 84 Character 0 SGPNSABK NSABK Area 006C 108 Signed 4 SGPRETCD Error return code 0070 112 Address 4 SGPXSHRQ Excess SHRBK Queue Error return code EQUATES for SGPRETCD 00000000 SGPRC0 0 User is authorized 00000004 SGPRC4 4 User not authorized 00000008 SGPRC8 8 Insufficient Guest virtual storage to load/IPL the Saved Segment/NSS 0000000C SGPRC12 12 Named Space not found 00000010 SGPRC16 16 Paging error 00000014 SGPRC20 20 Configuration error 00000018 SGPRC24 24 Unable to continue 0000001C SGPRC28 28 Two contiguous pages of storage are not available for segment table 0000001E SGPRC30 30 Invalid CP Segment load 00000024 SGPRC36 36 Overlay condition occurred 00000028 SGPRC40 40 NAMESAVE statement not found in the CP directory during authorization checking. 0000002C SGPRC44 44 I/O error reading directory 00000030 SGPRC48 48 370 guest attempted to load a Segment Space above the 16Meg line. 00000034 SGPRC52 52 Attempting to load non shared when already loaded shared. -------- End of EQUATES for SGPRETCD ***************-------- ESM parameter area 0074 116 Address 4 SGPRSNTA Address of SNTBK for ESM 0078 120 Address 4 SGPRSEGN Address of Space name for ESM 007C 124 Bitstring 1 SGPESMFN Type of ESM request Equates for SGPESMFN flag 1... .... SGPAUDIT X'80' Audit-only flag .1.. .... SGPRSTDC X'40' Restricted segment ..1. .... SGPSKIPA X'20' Skip UDR and ESM call indicator -------- End of EQUATES for SGPESMFN ***************-------- 007D 125 Bitstring 1 SGPESMST Indicates whether the ESM has been called Equates for SGPESMST flag 1... .... SGPESMD X'80' Indicates the ESM has been called -------- End of EQUATES for SGPESMST ***************-------- 007E 126 Bitstring 1 SGPDTYPE Type of load requested Equates for SGPDTYPE flag 1... .... SGPNSJSL X'80' HCPNSJ was called for system load. .1.. .... SGPNSJSY X'40' HCPNSJ was called for Guest IPL. ...1 .... SGPNSLNO X'10' HCPNSL was called load no overlay .... .1.. SGPNSLNS X'04' HCPNSL was called load non-shared .... ..1. SGPNSLSL X'02' HCPNSL was called for a system load .... .... SGPNSLSH X'00' HCPNSL was called load shared -------- End of EQUATES for SGPDTYPE ***************-------- 007F 127 Bitstring 1 SGPLOCKS Lock flag Equates for SGPLOCKS flag 1... .... SGPSSEGS X'80' Saved Segment SNTBK Queue Lock held shared (NSUSGQLK) .1.. .... SGPSSEGE X'40' Saved Segment SNTBK Queue Lock held exclusive(NSUSGQLK) ..1. .... SGPSSYSS X'20' NSS SNTBK Queue Lock held shared (NSUSYQLK) ...1 .... SGPSSYSE X'10' NSS SNTBK Queue Lock held exclusively. (NSUSYQLK) .... 1... SGPSDFQE X'08' *NSS SDF Queue lock held exclusively (NSUSDFLK) .... .1.. SGPSDFQS X'04' *NSS SDF Queue lock held shared (NSUSDFLK) .... ..1. SGPVMDSH X'02' VMDBK/SHRBK Queue lock held exclusively (VMDSHRLK) .... ...1 SGPSNTSH X'01' SNTBK/SHRBK Queue lock held exclusively (SNTSHRLK) -------- End of EQUATES for SGPLOCKS ***************-------- 0080 128 Bitstring 1 SGPNPARM Input Parameter for HCPNSLSL and HCPNSJSL 0081 129 Bitstring 1 * (3) Reserved for IBM use 00000084 SGPSIZEB (*-SGPBK) Length in Bytes 00000011 SGPSIZE (*-SGPBK+7)/8 Length in doublewords
SGPBK Storage Layout
*** SGPBK - Segment Space/Saved System Parameter * * +---------------------------+---------------------------+ * 0 | SGPSSTRT | SGPSEND | * +---------------------------+---------------------------+ * 8 | SGPMSEG | SGPSEGSP | * +---------------------------+---------------------------+ * 10 | SGPSDFPT | SGPSHRBK | * +---------------------------+---------------------------+ * 18 | SGPSPNAM | SGPSPSNT | * +---------------------------+---------------------------+ * 20 | | * = SGPREGS = * | +---------------------------+ * | | | * +---------------------------+ | * 58 | | * = SGPNSABK = * | +---------------------------+ * 68 | | SGPRETCD | * +---------------------------+---------------------------+ * 70 | SGPXSHRQ | SGPRSNTA | * +---------------------------+------+------+------+------+ * 78 | SGPRSEGN |:ESMFN|:ESMST|:DTYPE|:LOCKS| * +------+--------------------+------+------+------+------+ * 80 |:NPARM|////////////////////| 84 * +------+--------------------+ * *** SGPBK - Segment Space/Saved System Parameter
SGPBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----SGPAUDIT 007C 80
SGPDTYPE 007E
SGPESMD 007D 80
SGPESMFN 007C
SGPESMST 007D
SGPLOCKS 007F
SGPMSEG 0008
SGPNPARM 0080
SGPNSABK 0054
SGPNSJSL 007E 80
SGPNSJSY 007E 40
SGPNSLNO 007E 10
SGPNSLNS 007E 04
SGPNSLSH 007E 00
SGPNSLSL 007E 02
SGPRC0 0070 00000000
SGPRC12 0070 0000000C
SGPRC16 0070 00000010
SGPRC20 0070 00000014
SGPRC24 0070 00000018
SGPRC28 0070 0000001C
SGPRC30 0070 0000001E
SGPRC36 0070 00000024
SGPRC4 0070 00000004
SGPRC40 0070 00000028
SGPRC44 0070 0000002C
SGPRC48 0070 00000030
SGPRC52 0070 00000034
SGPRC8 0070 00000008
SGPREGS 0020
SGPRETCD 006C
SGPRSEGN 0078
SGPRSNTA 0074
SGPRSTDC 007C 40
SGPSDFPT 0010
SGPSDFQE 007F 08
SGPSDFQS 007F 04
SGPSEGSP 000C
SGPSEND 0004
SGPSHRBK 0014
SGPSIZE 0081 00000011
SGPSIZEB 0081 00000084
SGPSKIPA 007C 20
SGPSNTSH 007F 01
SGPSPNAM 0018
SGPSPSNT 001C
SGPSSEGE 007F 40
SGPSSEGS 007F 80
SGPSSTRT 0000
SGPSSYSE 007F 10
SGPSSYSS 007F 20
SGPVMDSH 007F 02
SGPXSHRQ 0070
Last updated on 3 Aug 1999 at 12:31:48 EDT.
Copyright IBM Corporation, 1990, 1999