z/OS DFSMS Installation Exits
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File Validation Exit Function-Specific Parameter List

z/OS DFSMS Installation Exits
SC23-6850-01

The following figure is the format of the function-specific parameter list for the File Validation Exit. See Table 1 for a description of the main parameter list.

Table 1. File Validation Exit Parameter List
Offset Length or Bit Pattern Name Description
00 (X'00')   TEPV Open, close, EOV tape exits file validation parameter list
00 (X'00') 8 TEPVID Control block identifier
08 (X'08') 4 TEPVLEN Length of parameter list
12 (X'0C') 1 TEPVVER Version of parameter list (1)
13 (X'0D') 3   Reserved
16 (X'10') 1 TEPVFLAG1 Flags
1... .... TEPVIGNORE Set to 0 by caller. If exit sets it on, then OPEN and EOV will ignore the expiration date for the file on the volume. Takes precedence over the next bit.
.1.. .... TEPVHONOR Set to 0 by caller. If exit sets it on, then OPEN and EOV will honor the expiration dates for the file on the volume and not ask the operator if a date has not passed. This means that OPEN or EOV rejects the volume or issue ABEND.
..1. .... TEPVSCRTCH Original volume requirement was nonspecific
...1 .... TEPVBYSEC Set to 0 by the caller. If all the following are true, then the caller will ignore password protection of the existing file:
  • OPEN option allows writing. If the caller is EOV, the last user operation was a write.
  • IBM standard label tape mounted
  • Either the caller is open and the file sequence number is one, or the caller is EOV.
  • The exit turned this bit on.

This bit is intended for use by an exit that can determine that password protection no longer applies. It does not affect SAF processing.

.... .1.. TEPVNINDEX No loader indexing on the next scratch mount request in the OPEN or EOV routines
.... ..1. TEPVABEND Job abends when return code is 8
17 (X'11') 3   Reserved, set to zero

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