RSEBK

Prolog  

Control Block Contents  
   RSEBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

RSEBK Prolog

 NAME       : HCPRSEBK
 DESCRIPTION: Reset Event Block
 DSECT      : RSEBK
 FUNCTION   : To preserve reset event status and sense data or to
              save a Format F, Message B unit check for later guest
              reflection
 LOCATED BY : RDEVRSE FIELD OF RDEV - Reset event status for that device
 CREATED BY : HCPPRF creates an RSEBK when processing a reset
              notification or a Format F, Message B unit check
              reported on a dedicated device.
 DELETED BY : HCPIOV deletes the RSEBK when the guest issues a sense
              (or other command) subsequent to draining reset notification
              status.

RSEBK Control Block Content

RSEBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      RSEBK          Reset Event Block
0000    0 Address      4 RSENEXT        Pointer to next RSEBK
0004    4 Address      4 RSERDEV        Pointer to associated device
0008    8 Bitstring   64 RSEIRB         Interruption Response Block
0048   72 Bitstring   32 RSESDATA       Sense data buffer
0068  104 Signed       2 RSESCNT        Sense Count
006A  106 Bitstring    1 RSETYPE        Flag to indicate RSEBK type
          1... ....      RSERSEVT       X'80' RSERSEVT RSEBK containing
                                        reset event
          .1.. ....      RSEFBSNS       X'40' RSEFBSNS RSEBK containing
                                        X'FB' sense
          0000000E       RSESIZE        (*-RSEBK+7)/8 RSEBK size in
                                        doublewords

RSEBK Storage Layout

          
*** RSEBK - Reset Event Block
*
*     +---------------------------+---------------------------+
*   0 |         RSENEXT           |         RSERDEV           |
*     +---------------------------+---------------------------+
*   8 |                                                       |
*     =                        RSEIRB                         =
*     |                                                       |
*     +-------------------------------------------------------+
*  48 |                                                       |
*     =                       RSESDATA                        =
*     |                                                       |
*     +-------------+------+----------------------------------+
*  68 |  RSESCNT    |:TYPE | 6B
*     +-------------+------+
*
*** RSEBK - Reset Event Block

RSEBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
RSEFBSNS       006A 40
RSEIRB         0008
RSENEXT        0000
RSERDEV        0004
RSERSEVT       006A 80
RSESCNT        0068
RSESDATA       0048
RSESIZE        006A 0000000E
RSETYPE        006A