Storage Management Subsystem initialization return codes

The SMS initialization subcomponent provides a return code in register 15. Table 1 describes the conditions that cause the return code.

Table 1. SMS Initialization Return Codes
Return Code	Meaning
0 (X'00')	Successful. If router return code is zero, then the function return code will always be error free.
4 (X'04')	Warning.
8 (X'08')	Unknown PC routine requested.
12 (X'0C')	SMAS unavailable.
16 (X'10')	Error condition.
20 (X'14')	Abend occurred.
24 (X'18')	SMS SSIB could not be found.
26 (X'1A')	Recovery environment does not exist.
28 (X'1C')	No wait for restart and unavailable SMAS.
30 (X'1E')	Program check. Restart is not possible.