This topic includes this information:

• Return codes and reason codes issued on the completion of a call to an ICSF callable service
• Return codes and reason codes issued on the completion of a process on a PCI Cryptographic Accelerator, PCI Cryptographic Coprocessor or PCI X Cryptographic Coprocessor/Crypto Express2 Coprocessor /Crypto Express3 Coprocessor (referred to as cryptographic accelerators or coprocessors) .
• ICSF return and reason codes can be specified in the installation options data set on the REASONCODES parameter. If the REASONCODES option is not specified, the default of REASONCODES(ICSF) is used. A REASONCODES line in the description indicates a conversion was done as a result of the REASONCODES option in the installation options data set.

  If you specified REASONCODES(ICSF) and your service was processed on a PCICC, PCIXCC, CEX2C, or CEX3C, a TSS reason code may be returned if there is no 1–1 corresponding ICSF reason code.