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Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODVON
PrologControl 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 228 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 .... *
.... 1... *
.... .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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 2 * Reserved for IBM use
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 0 IODVON_END
MRIODVON Cross Reference
Hex Hex
Name Offset Length Value
IODVON 0 228
IODVON_CALFLAGS 2B 1
IODVON_CALMODLN 18 1
IODVON_CALRDEVDEV 38 2
IODVON_CALRDEVSID 34 4
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_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_ENCRYCAP 2B 20
IODVON_END E4 0
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 V5R4.0.
Last updated on 5 Sep 2008 at 09:11:41.
Copyright IBM Corporation, 1990, 2008
