kcm_access
ret = kcm_access(context, client, opcode, p);
ret = kcm_access(context, client, KCM_OP_INITIALIZE, ccache);
ret = kcm_access(context, client, opcode, *ccache);
ret = kcm_access(context, client, KCM_OP_DESTROY, ccache);
kcm_access (
ret = kcm_access(context, client, opcode, cache);