ica_get_msa_level

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Purpose

Return the processor's highest message security assist level (MSA Extension). Refer to the z/Architecture Principles of Operation for details about MSA extensions.

Format

int ica_get_msa_level(void);

Return codes

0
If the MSA Extension could not be determined successfully.
integer > 0
Indicates the MSA Extension according to the z/Architecture Principles of Operation.