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Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure MDCBK Storage area for SET MDC/Q MDC cmnds
0000 0 Dbl-Word 8 MDCPLIST (0) Start of parameter list used by
parser
0000 0 Signed 4 MDCWORD1 (0) First word of parser parms
0000 0 Bitstring 1 MDCFLAG1 Flag byte 1
1... .... MDCON X'80' MDCON ON was issued
.1.. .... MDCOFF X'40' MDCOFF OFF was issued
..1. .... MDCFLUSH X'20' MDCFLUSH FLUSH was issued
...1 .... MDCSYS X'10' MDCSYS SYSTEM was issued
.... 1... MDCRDV X'08' MDCRDV RDEV was issued
.... .1.. MDCMDISK X'04' MDCMDISK MDISK was issued
.... ..1. MDC1DEV X'02' MDC1DEV Only 1 device was
issued
.... ...1 MDCDRCT X'01' MDCDRCT DRCT option was
issued
0001 1 Bitstring 1 MDCFLAG2 Flag byte 2
.1.. .... MDCUSER X'40' MDCUSER USERID was
specified
..1. .... MDCMNST X'20' MDCMNST STORAGE was issued
...1 .... MDCXST X'10' MDCXST XSTORE was issued
.... 1... MDCMAX X'08' MDCMAX MAX was issued
.... .1.. MDCSIZE1 X'04' MDCSIZE1 At least 1 token
was issued
.... ..1. MDCSIZE2 X'02' MDCSIZE2 2 tokens were
issued
.... ...1 MDCALL X'01' MDCALL ALL was issued
0002 2 Bitstring 1 MDCFLAG3 Flag byte 3 (cleared after each
device in range has completed
processing). Flag only used when
for RDEV and MDISK and class G
flush options.
1... .... MDCTCLCK X'80' MDCTCLCK Main MDC lock held
.1.. .... MDCRDLCK X'40' MDCRDLCK RDEV lock held
..1. .... MDCSUPPD X'20' MDCSUPPD MDC suppressed
...1 .... MDCMDLCK X'10' MDCMDLCK MDISK chain lock
held
0003 3 Bitstring 1 MDCFLAG4 Flag byte 4
1... .... MDC1OK X'80' MDC1OK At least one device
was processed successfully
.1.. .... MDCNOLOG X'40' MDCNOLOG User specified not
logged on
..1. .... MDCINS X'20' MDCINS INSERT option
requested
...1 .... MDCDET X'10' MDCDET DETAILS option
requested
.... 1... MDCDFON X'08' MDCDFON DFLTON was
requested
.... .1.. MDCDFOFF X'04' MDCDFOFF DFLTOFF was
requested
.... ..1. MDCERRNG X'02' MDCERRNG Error encountered
while processing a range
.... ...1 MDCBIAS X'01' MDCBIAS MDC BIAS requested
0004 4 Signed 4 MDCWORD2 (0) Second word of parser parms
0004 4 Bitstring 1 MDCFLAG5 Flag byte 5
1... .... MDCRECRD X'80' MDCRECRD RECORDMDC
specified
0005 5 Bitstring 3 * Reserved
0008 8 Dbl-Word 8 MDCDEVS (0) Device range specified
0008 8 Signed 4 MDCDEVL First device
00000004 MDCDEVSZ *-MDCDEVL Length of 1 device
000C 12 Signed 4 MDCDEVH 2nd device (1st=2nd if only one
was specified)
0010 16 Character 8 MDCNAME Userid specified
00000008 MDCNMSZ *-MDCNAME Length of userid
0018 24 Character 8 MDCTOK1 First min/max token
00000008 MDCTOKSZ *-MDCTOK1 Length of a token
0020 32 Character 8 MDCTOK2 Second min/max token
00000028 MDCPLEN *-MDCBK End of parm list for
parser
0028 40 Signed 2 MDCDEVC Current device
002A 42 Signed 2 * (0) Reserved for IBM use
The following sequence handles message 7335-01.
002A 42 Character 9 MDCACT Action to specify in message
0033 51 Character 1 MDCA1 Fence
The following sequence handles messages 0045-01, 1921-02,
1921-04, 7337-01, 7337-02, 7340-01.
0034 52 Character 1 MDCSUB (0)
0034 52 Character 8 MDCAUSR Userid in message
003C 60 Character 1 MDCA2 fence
003D 61 Character 4 MDCADEVL Low/only device in range
0041 65 Character 1 MDCA3 fence
0042 66 Character 4 MDCADEVH High device in range
0046 70 Character 1 MDCA4 fence
The following sequence handles message 7338-01.
0047 71 Character 1 MDCMAIN (0)
0047 71 Character 8 MDCMNMIN Minimum of main storage
004F 79 Character 1 MDCS1 fence
0050 80 Character 8 MDCMNMAX Maximum of main storage
0058 88 Character 1 MDCS2 fence
0059 89 Character 8 MDCMNUSE Amount in use of main storage
0061 97 Character 1 MDCS3 fence
0062 98 Character 8 MDCMBIAS BIAS for main storage
006A 106 Character 1 MDCS4 fence
The following sequence handles messages 7339-01, 7339-02,
7339-03.
006B 107 Character 1 MDCXSTOR (0)
006B 107 Character 8 MDCXSMIN Minimum of xstore
0073 115 Character 1 MDCS5 fence
0074 116 Character 8 MDCXSMAX Maximum of xstore
007C 124 Character 1 MDCS6 fence
007D 125 Character 8 MDCXSUSE Amount in use of xstore
0085 133 Character 1 MDCS7 fence
0086 134 Character 8 MDCXBIAS BIAS for XSTORE
008E 142 Character 1 MDCS8 fence
008F 143 Character 8 MDCXSMXP Maximum pending of xstore
0097 151 Character 1 MDCS9 fence
0098 152 Character 8 MDCXSMNP Minimum pending of xstore
00A0 160 Character 1 MDCS10 fence
The following sequence handles messages 1921-01, 1921-03,
7336-01, 7336-02.
0034 52 Character 4 MDCBDEVL Low/only device in range
0038 56 Character 1 MDCB1 fence
0039 57 Character 4 MDCBDEVH High device in range
003D 61 Character 1 MDCB2 fence
The following sequence handles message 7341-01.
002A 42 Character 3 MDCLPATH MDC availability (on,off)
002D 45 Character 1 MDCL1 fence
002E 46 Character 7 MDCLMSTT Status of minidisk
0035 53 Character 1 MDCL2 fence
0036 54 Character 8 MDCLUSER Userid owning minidisk
003E 62 Character 1 MDCL3 fence
003F 63 Character 4 MDCLVDEV Owning vdev number
0043 67 Character 1 MDCL4 fence
The following sequence handles message 7342-01.
002A 42 Character 4 MDCQIDEV Input vdev number
002E 46 Character 1 MDCQ0 fence
002F 47 Character 3 MDCQPATH MDC availability (on,off)
0032 50 Character 1 MDCQ1 fence
0033 51 Character 7 MDCQMSTT Status of minidisk
003A 58 Character 1 MDCQ2 fence
003B 59 Character 8 MDCQUSER Userid owning minidisk
0043 67 Character 1 MDCQ3 fence
0044 68 Character 4 MDCQVDEV Owning vdev number
0048 72 Character 1 MDCQ4 fence
0049 73 Character 9 MDCQRSTT Status of rdev
0052 82 Character 1 MDCQ5 fence
0053 83 Character 4 MDCQRDEV Rdev number
0057 87 Character 1 MDCQ6 fence
0058 88 Character 8 MDCSYSNM System name
0060 96 Character 1 MDCQ7 fence
The following sequence handles message 0003-01.
0034 52 Character 8 MDCOPT Invalid option entered
003C 60 Character 1 MDCO1 fence
The following sequence handles message 1921-05.
0034 52 Character 6 MDCSSYS System
003A 58 Character 1 MDCSS1 fence
003B 59 Character 4 MDCSSYSC Code number
003F 63 Character 1 MDCSS2 fence
00000015 MDCSIZE (*-MDCBK+7)/8 Size, in
doublewords, of MDCBK
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