On Tue, Nov 07 2006, Jeff Garzik wrote: > Douglas Gilbert wrote: > >I was asked to put together a proposal in May this > >year for a new SCSI Generic interface structure. This > >is the same structure that is used by the block layer > >SG_IO ioctl. A few people have asked whether I had forgotten > >that I agreed to write the proposal. So here it is. Those > >who have seen it have made comments, some of which have > >been incorporated. > > > >Some shortcomings of the sg version 3 interface are: > > - can't handle commands with bidirectional data (either > > can the SCSI subsystem at the moment) > > - if it was a bit more general it could carry other > > request/response protocols (e.g. Task Management > > Functions and SMP in Serial Attached SCSI) > > - no way of associating a task attribute or task tag > > with a SCSI command > > Why avoid Jens Axboe's bsg? > > It seems like that is already a good interface for carrying other > req/resp protocols. I don't think Doug is avoiding that (if you are Doug, please do explain :-), but rather outlining the next generation command format that bsg should support for future use. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
