IBM: CSSENTRY

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.

CSSENTRY

Prolog

Control Block Contents

CSSENTRY DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

CSSENTRY Prolog

 NAME       : HCPCSSBK
 DESCRIPTION: IUCV System service attribute table map
 DSECT      : CSSENTRY
 FUNCTION   : This control block defines the IUCV system service
              attributes for system services as represented by the
              HCPIUGCS table.
 LOCATED BY :
              - HCPIUGCS entry point
 CREATED BY :
              - Defined in HCPIUG
 DELETED BY :
              - N/A

CSSENTRY Control Block Content


CSSENTRY DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CSSENTRY       IUCV System service attribute
                                        table map
0000    0 Dbl-Word     8 CSSNAME        CP system service name
0008    8 Bitstring    1 CSSCODE        CP system service code (IPCPSYS
                                        contains valid values)
0009    9 Bitstring    1 CSSFLAG        CP system service flag
          1... ....      CSSALLOW       X'80' ALLOW = YES
          .1.. ....      CSSPRTY        X'40' PRIORITY = YES
          ..1. ....      CSSSYNC        X'20' SYNC = YES
          ...1 ....      CSSDIST        X'10' DIST = YES
000A   10 Bitstring    2 CSSLIMIT       Number of messages a virtual
                                        machine can have outstanding to a
                                        CSS per path at one time.
          .... 1.1.      CSSLIMDF       X'A' CSSLIMIT = 10
000C   12 Signed       4 * (0)          Align on fullword boundary
          0000000C       CSSFUNST       * Start of functions
000C   12 Signed       4 *              CONNECT entry point
          00000004       CSSFUNEL       *-CSSFUNST Function entry point
                                        length
0010   16 Signed       4 *              SEND Entry point
0014   20 Signed       4 *              SEVER Entry point
0018   24 Signed       4 *              QUIESCE Entry point
001C   28 Signed       4 *              RESUME Entry point
          00000004       CSSHIFUN       ((*-CSSFUNST)/CSSFUNEL)-1 Number
                                        of CSS functions - 1
0020   32 Signed       4 CSSIUCVB       IUCVB address
0024   36 Signed       2 CSSMAXPA       Maximum number of paths the CSS
                                        may have at one time
0026   38 Signed       2 *              Reserved
0028   40 Dbl-Word     8 * (0)          Align on doubleword boundary
0028   40 Dbl-Word     8 CSSLOCK (3)    Lock semaphore
          00000040       CSSENTL        *-CSSENTRY Entry length
     End of the CSSENTRY DSECT

CSSENTRY Storage Layout

*** CSSENTRY - IUCV System service attribute table map
*
*     +-------------------------------------------------------+
*   0 |                       CSSNAME                         |
*     +------+------+-------------+---------------------------+
*   8 |:CODE |:FLAG |  CSSLIMIT   |///////////////////////////|
*     +------+------+-------------+---------------------------+
*  10 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
*  18 |///////////////////////////|///////////////////////////|
*     +---------------------------+-------------+-------------+
*  20 |         CSSIUCVB          |  CSSMAXPA   |/////////////|
*     +---------------------------+-------------+-------------+
*  28 |                                                       |
*     =                       CSSLOCK                         =
*     |                                                       |
*     +-------------------------------------------------------+
*  40
*
*** CSSENTRY - IUCV System service attribute table map