Coupling facility control code support

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Coupling facility control code is Licensed Internal Code (LIC) that supports the following coupling facility limits:

Table 1. Coupling facility limits at different coupling facility code levels
Coupling Facility Limit Coupling Facility Code Level
Level 26 Level 25 Level 24 Level 23 Level 22
Maximum number of CPs 16 Shared or 32 Dedicated 16 16 16 16
Storage increment 1 MB 1 MB 1 MB 1 MB 1 MB
Structure ID limit 4096 2047 2047 2047 2047
Retry buffer limit 1799 1799 1799 1799 1799
Facility information 64 bytes 64 bytes 64 bytes 64 bytes 64 bytes
Maximum list element characteristic 4 4 4 4 4
Maximum lock table entry characteristic 5 5 5 5 5
User identifier limit 255 255 255 255 255
Maximum data area element characteristic 4 4 4 4 4
Local cache identifier limit 255 255 255 255 255
Storage class limit 63 63 63 63 63
Castout class limit 1024 1024 1024 1024 1024
Notification-Delay Limit (NDL) X'FFFFFFFF' X'FFFFFFFF' X'FFFFFFFF' X'FFFFFFFF' X'FFFFFFFF'