The user ID from which the mount request is issued. If the mount is part of a CA VM:Batch job, it is the address of the user ID submitting the job. This field is padded on the right with blanks; that is, it is left-justified.
The user ID to which CA VM:Tape will attach the mounted tape. The user ID vm-userid2 differs from vm-userid1 when the FOR option is specified on the MOUNT command.
The 8-byte account number obtained from vm-userid2's VMBLOK or ACCTBLOK.
A 6-byte field containing the volser of the tape being mounted.
The virtual address used by CA VM:Tape to attach the drive to itself. This virtual address is in a 4-byte field in character format.
The real address of the tape drive. The drive address is in a 4-byte field in character format.
A character string indicating the label processing for the mount. This character string is three bytes long and is padded with blanks on the right, that is, it is left-justified. The values can be SL for standard label tapes, NL for non-labeled tapes, BLP for bypass label processing, or AL for ASCII labeled tapes.
A character string indicating the access type for the mount. This character is three bytes long. The values are R/W for read/write and R/O for read/only mounts.
The file sequence number requested by the mount using the FILESEQ option of the MOUNT command. The default is 1.
The address of the 256-byte work area to be used for passing information between the various user exits. This work area is specific to each command being processed by CA VM:Tape and cannot be used across commands.
If the exit is implemented in REXX, the address of the common buffer area is converted to EBCDIC and passed to the exit as the last parameter in the parameter list.
An 8-byte constant that indicates the end of the parameter list.
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