Programming Interface Information:
The Monitor Records are intended Programming Interfaces that
allow the customer to write programs to obtain services of z/VM.

MRIODVON

Prolog
Control Block Contents
Cross Reference

MRIODVON Prolog

 DSECT NAME - IODVON
 FUNCTION - Map a Monitor record.
 LOCATED BY -
        Through the Monitor Control Area
 REFERENCED CONTROL BLOCKS -
        MRRECHDR    Monitor Record Header
 NAME - MRIODVON
 DESCRIPTIVE NAME - Monitor Event Record
                    Domain 6 - I/O Domain
                    Record 1 - Vary On Device
 DESCRIPTION - Indicates that a real device has been varied online

MRIODVON Control Block Contents

Offsets
Dec  Hex  Type        Len  Name (Dim)             Description
 
   0   0  Structure   280  IODVON                 Start of monitor record
   0   0  Character     0  IODVON_MRHDR           Record header. See MRRECHDR
                                                  for details.
   0   0  Character    20  MRHDR                  
   0   0  Unsigned      2  MRHDRLEN               record length in bytes
   2   2  Unsigned      2  MRHDRZER               field of zeros
   4   4  Unsigned      1  MRHDRDM                domain identifier
   5   5  Unsigned      1  *                      
   6   6  Unsigned      2  MRHDRRC                record identifier
   8   8  Character     8  MRHDRTOD               Time at which this record
                                                  was built. In time-of-day
                                                  (TOD) clock format. See IBM
                                                  System 370 XA Principle of
                                                  Operation for explanation of
                                                  format.
  16  10  Character     4  *                      
  20  14  Character     0  MRHDR_END              End of header
  20  14  Bitstring     1  IODVON_RDEVTYPE        Device type code. Unique
                                                  for each device within the
                                                  class in IODVON_RDEVCLAS.
  21  15  Bitstring     1  IODVON_RDEVCLAS        Device class code. Unique
                                                  for each class.
  22  16  Unsigned      2  IODVON_RDEVDVID        Device type number in
                                                  packed decimal. See
                                                  IODVON_RDEVDVIV for its
                                                  source.
  24  18  Bitstring     1  IODVON_CALMODLN        Device model identifier.
                                                  See IODVON_RDEVDVIV flag for
                                                  its source.
  25  19  Bitstring     1  IODVON_RDEVLPM         Logical path mask
  26  1A  Unsigned      2  IODVON_RDEVDEV         Device number in packed
                                                  decimal
  28  1C  Unsigned      4  IODVON_RDEVSID         Host subchannel id
  32  20  Character     8  IODVON_RDEVCHPS        Eight channel path ids for
                                                  this device
  40  28  Unsigned      2  IODVON_RDEVCUID        control unit id in packed
                                                  decimal. Applicable only when
                                                  IODVON_RDEVCUIV = on.
  42  2A  Unsigned      1  IODVON_RDEVCUMN        Control unit model
                                                  identifier. Applicable only
                                                  when IODVON_RDEVCUIV = on.
  43  2B  Bitstring     1  IODVON_CALFLAGS        Flag Byte
          1... ....        IODVON_RDEVDVIV         OFF = device model number
                                                  (in IODVON_RDEVDVID) and
                                                  model identifier (in
                                                  IODVON_CALMODLN) were
                                                  provided by user through the
                                                  RDEVICE macro or device
                                                  sensing at IPL time. ON =
                                                  device type number and model
                                                  identifier were provided by
                                                  the device at device
                                                  initialization time.
          .1.. ....        IODVON_RDEVCUIV         When on, Control unit
                                                  information is supplied in
                                                  IODVON_RDEVCUID and
                                                  IODVON_RDEVCUMN.
          ..1. ....        IODVON_ENCRYCAP         When on, device is
                                                  encryption capable.
          ...1 ....        IODVON_EQIEQHSH         When on, user-specified
                                                  EQID information supplied in
                                                  IODVON_EQIEQID
          .... 1...        IODVON_EQIDUHSH         When on, system-generated
                                                  EQID information supplied in
                                                  IODVON_EQIDUID
          .... .1..        *                       
          .... ..1.        *                       
          .... ...1        *                       
  44  2C  Character     1  IODVON_RDCRCUC         Real CU Code
  45  2D  Character     1  IODVON_RDCOBRCO        OBR Code
  46  2E  Character     6  IODVON_RDEVSER         DASD volume serial
                                                  identifier
  52  34  Unsigned      4  IODVON_CALRDEVSID      Host subchannel id of the
                                                  base PAV when RDEVPVAL is on,
                                                  zero otherwise
  56  38  Unsigned      2  IODVON_CALRDEVDEV      Device number of the base
                                                  PAV when RDEVPVAL is on, zero
                                                  otherwise
  58  3A  Bitstring     1  IODVON_RDEVPVFG        PAV flag to indicate base
                                                  and alias DASD
          1... ....        IODVON_RDEVPVBA         PAV base indicator
          .1.. ....        IODVON_RDEVPVAL         PAV alias indicator
          ..1. ....        IODVON_RDEVHPBA         HyperPAV Base
          ...1 ....        IODVON_RDEVHPAL         HyperPAV Alias The above
                                                  fields are mutually exclusive
          .... 1...        IODVON_RDEVFREQ         HyperPAV Alias is on the
                                                  free queue
          .... .1..        *                       
          .... ..1.        *                       
          .... ...1        *                       
  59  3B  Bitstring     1  IODVON_EDEVTYPE        EDEV emulation type
  60  3C  Character   160  IODVON_EDEVPTHS        8 EDEV path triplets
  60  3C  Character    20  IODVON_EDEVPTH1        Path 1
  60  3C  Character     1  *                      Reserved for IBM use
  61  3D  Character     1  IODVON_EDEVCHP1        Channel Path ID
  62  3E  Character     2  IODVON_EDEVFCP1        FCP device number
  64  40  Character     8  IODVON_EDEVWPN1        World wide port number
  72  48  Character     8  IODVON_EDEVLUN1        Logical unit number
  80  50  Character    20  IODVON_EDEVPTH2        Path 2
  80  50  Character     1  *                      Reserved for IBM use
  81  51  Character     1  IODVON_EDEVCHP2        Channel Path ID
  82  52  Character     2  IODVON_EDEVFCP2        FCP device number
  84  54  Character     8  IODVON_EDEVWPN2        World wide port number
  92  5C  Character     8  IODVON_EDEVLUN2        Logical unit number
 100  64  Character    20  IODVON_EDEVPTH3        Path 3
 100  64  Character     1  *                      Reserved for IBM use
 101  65  Character     1  IODVON_EDEVCHP3        Channel Path ID
 102  66  Character     2  IODVON_EDEVFCP3        FCP device number
 104  68  Character     8  IODVON_EDEVWPN3        World wide port number
 112  70  Character     8  IODVON_EDEVLUN3        Logical unit number
 120  78  Character    20  IODVON_EDEVPTH4        Path 4
 120  78  Character     1  *                      Reserved for IBM use
 121  79  Character     1  IODVON_EDEVCHP4        Channel Path ID
 122  7A  Character     2  IODVON_EDEVFCP4        FCP device number
 124  7C  Character     8  IODVON_EDEVWPN4        World wide port number
 132  84  Character     8  IODVON_EDEVLUN4        Logical unit number
 140  8C  Character    20  IODVON_EDEVPTH5        Path 5
 140  8C  Character     1  *                      Reserved for IBM use
 141  8D  Character     1  IODVON_EDEVCHP5        Channel Path ID
 142  8E  Character     2  IODVON_EDEVFCP5        FCP device number
 144  90  Character     8  IODVON_EDEVWPN5        World wide port number
 152  98  Character     8  IODVON_EDEVLUN5        Logical unit number
 160  A0  Character    20  IODVON_EDEVPTH6        Path 6
 160  A0  Character     1  *                      Reserved for IBM use
 161  A1  Character     1  IODVON_EDEVCHP6        Channel Path ID
 162  A2  Character     2  IODVON_EDEVFCP6        FCP device number
 164  A4  Character     8  IODVON_EDEVWPN6        World wide port number
 172  AC  Character     8  IODVON_EDEVLUN6        Logical unit number
 180  B4  Character    20  IODVON_EDEVPTH7        Path 7
 180  B4  Character     1  *                      Reserved for IBM use
 181  B5  Character     1  IODVON_EDEVCHP7        Channel Path ID
 182  B6  Character     2  IODVON_EDEVFCP7        FCP device number
 184  B8  Character     8  IODVON_EDEVWPN7        World wide port number
 192  C0  Character     8  IODVON_EDEVLUN7        Logical unit number
 200  C8  Character    20  IODVON_EDEVPTH8        Path 8
 200  C8  Character     1  *                      Reserved for IBM use
 201  C9  Character     1  IODVON_EDEVCHP8        Channel Path ID
 202  CA  Character     2  IODVON_EDEVFCP8        FCP device number
 204  CC  Character     8  IODVON_EDEVWPN8        World wide port number
 212  D4  Character     8  IODVON_EDEVLUN8        Logical unit number
 220  DC  Bitstring     1  IODVON_PREFPATH        Preferred path mask
 221  DD  Character     3  *                      Reserved and available for
                                                  IBM use.
 224  E0  Unsigned      2  IODVON_RDEVHPPL        HyperPAV Pool Number Note:
                                                  This value is only meaningful
                                                  if the IODVON_RDEVHPBA or
                                                  IODVON_RDEVHPAL flag is set
 226  E2  Unsigned      2  *                      Reserved and available for
                                                  IBM use.
 228  E4  Character    40  IODVON_EQIDUID         System-generated EQID
 268 10C  Character     8  IODVON_EQIEQID         User-specified EQID
 276 114  Bitstring     1  IODVON_DEVCHAR         Device Characteristics
          1... ....        IODVON_DEVCHAR_DED      Encrypted Device
          .1.. ....        IODVON_DEVCHAR_SSD      Solid-State Drive
          ..1. ....        *                       
          ...1 ....        *                       
          .... 1...        *                       
          .... .1..        *                       
          .... ..1.        *                       
          .... ...1        *                       
 277 115  Bitstring     1  IODVON_EDEVATTR        EDEV Attributes
          1... ....        IODVON_EDEVSCSI         General SCSI Attributes
          .1.. ....        IODVON_EDEV2105         2105 SCSI Attributes
          ..1. ....        IODVON_EDEVFASD         Fibre Array Storage
          ...1 ....        IODVON_EDEV2107         2107 SCSI Attributes
          .... 1...        IODVON_EDEV1750         1750 SCSI Attributes
          .... .1..        IODVON_EDEV2145         2145 SCSI Attributes
          .... ..1.        IODVON_EDEVXIV          XIV SCSI Attributes
          .... ...1        *                       
 278 116  Character     2  *                      Reserved and available for
                                                  future IBM use
 280 118  Character     0  IODVON_END             

MRIODVON Cross Reference

                      Hex           Hex
Name                 Offset Length Value
 
IODVON                     0    280
IODVON_CALFLAGS           2B      1
IODVON_CALMODLN           18      1
IODVON_CALRDEVDEV         38      2
IODVON_CALRDEVSID         34      4
IODVON_DEVCHAR           114      1
IODVON_DEVCHAR_DED       114           80
IODVON_DEVCHAR_SSD       114           40
IODVON_EDEVATTR          115      1
IODVON_EDEVCHP1           3D      1
IODVON_EDEVCHP2           51      1
IODVON_EDEVCHP3           65      1
IODVON_EDEVCHP4           79      1
IODVON_EDEVCHP5           8D      1
IODVON_EDEVCHP6           A1      1
IODVON_EDEVCHP7           B5      1
IODVON_EDEVCHP8           C9      1
IODVON_EDEVFASD          115           20
IODVON_EDEVFCP1           3E      2
IODVON_EDEVFCP2           52      2
IODVON_EDEVFCP3           66      2
IODVON_EDEVFCP4           7A      2
IODVON_EDEVFCP5           8E      2
IODVON_EDEVFCP6           A2      2
IODVON_EDEVFCP7           B6      2
IODVON_EDEVFCP8           CA      2
IODVON_EDEVLUN1           48      8
IODVON_EDEVLUN2           5C      8
IODVON_EDEVLUN3           70      8
IODVON_EDEVLUN4           84      8
IODVON_EDEVLUN5           98      8
IODVON_EDEVLUN6           AC      8
IODVON_EDEVLUN7           C0      8
IODVON_EDEVLUN8           D4      8
IODVON_EDEVPTHS           3C    160
IODVON_EDEVPTH1           3C     20
IODVON_EDEVPTH2           50     20
IODVON_EDEVPTH3           64     20
IODVON_EDEVPTH4           78     20
IODVON_EDEVPTH5           8C     20
IODVON_EDEVPTH6           A0     20
IODVON_EDEVPTH7           B4     20
IODVON_EDEVPTH8           C8     20
IODVON_EDEVSCSI          115           80
IODVON_EDEVTYPE           3B      1
IODVON_EDEVWPN1           40      8
IODVON_EDEVWPN2           54      8
IODVON_EDEVWPN3           68      8
IODVON_EDEVWPN4           7C      8
IODVON_EDEVWPN5           90      8
IODVON_EDEVWPN6           A4      8
IODVON_EDEVWPN7           B8      8
IODVON_EDEVWPN8           CC      8
IODVON_EDEVXIV           115           02
IODVON_EDEV1750          115           08
IODVON_EDEV2105          115           40
IODVON_EDEV2107          115           10
IODVON_EDEV2145          115           04
IODVON_ENCRYCAP           2B           20
IODVON_END               118      0
IODVON_EQIDUHSH           2B           08
IODVON_EQIDUID            E4     40
IODVON_EQIEQHSH           2B           10
IODVON_EQIEQID           10C      8
IODVON_MRHDR               0      0
IODVON_PREFPATH           DC      1
IODVON_RDCOBRCO           2D      1
IODVON_RDCRCUC            2C      1
IODVON_RDEVCHPS           20      8
IODVON_RDEVCLAS           15      1
IODVON_RDEVCUID           28      2
IODVON_RDEVCUIV           2B           40
IODVON_RDEVCUMN           2A      1
IODVON_RDEVDEV            1A      2
IODVON_RDEVDVID           16      2
IODVON_RDEVDVIV           2B           80
IODVON_RDEVFREQ           3A           08
IODVON_RDEVHPAL           3A           10
IODVON_RDEVHPBA           3A           20
IODVON_RDEVHPPL           E0      2
IODVON_RDEVLPM            19      1
IODVON_RDEVPVAL           3A           40
IODVON_RDEVPVBA           3A           80
IODVON_RDEVPVFG           3A      1
IODVON_RDEVSER            2E      6
IODVON_RDEVSID            1C      4
IODVON_RDEVTYPE           14      1
MRHDR                      0     20
MRHDR_END                 14      0
MRHDRDM                    4      1
MRHDRLEN                   0      2
MRHDRRC                    6      2
MRHDRTOD                   8      8
MRHDRZER                   2      2

This information is
based on z/VM V6R3.0.

Last updated on 22 Jul 2013 at 15:07:38.
Copyright IBM Corporation, 1990, 2013