IMS system services return codes

IMS System Services can return various codes.

SVC return codes
The IMS SVC DFSVC200 routes all IMS SVC requests to the appropriate service. If a problem is encountered, it returns a code.
IMODULE return codes
The IMODULE SVC returns a code in register 15 in the form ffxxnnnn.
IMSAUTH return codes
The IMSAUTH supervisor call (SVC) returns a code in register 15 in form ffnnnnnn.
DFSBCB return codes
DFSBCB is a storage manager service which manages storage in specific storage pools, referred to as CBT pools, by using the GET and RELEASE functions.
DFSPOOL macro return codes
The IMS storage pool manager is called by various internal modules to provide storage management services. The DFSPOOL macro is provided as an interface to the storage pool. DFSPOOL returns all of the return codes in register 15. All return codes are hexadecimal numbers.

Parent topic: IMS component codes