The <cache/> element of the ejb3 subsystem is described in the schema:

https://github.com/jbossas/jboss-as/blob/master/build/src/main/resources/docs/schema/jboss-as-ejb3_1_3.xsd

Here's the equivalent configuration for the @CacheConfig annotation above:

       <caches>

           <cache name="my-cache" passivation-store-ref="my-store"/>

       </caches>

       <passivation-stores>

           <file-passivation-store name="my-store" max-size="50" idle-timeout="120" idle-timeout-unit="SECONDS"/>

       </passivation-stores>

Then annotate your bean accordingly:

@Cache("my-cache")

@StatefulTimeout(value = 360, unit = TimeUnit.SECONDS)