int mega_internal_command (adapter_t * adapter, lockscope_t ls, megacmd_t * mc, mega_passthru * pthru);
adapter - pointer to our soft state ls - the scope of the exclusion lock. mc - the mailbox command pthru - Passthru structure for DCDB commands
Issue the internal commands in interrupt mode. The last argument is the address of the passthru structure if the command to be fired is a passthru command
lockscope specifies whether the caller has already acquired the lock. Of course, the caller must know which lock we are talking about.
parameter 'pthru' is null for non-passthru commands.