On 10/21/05 13:05, Andrew Patterson wrote: >>but why didn't CSMI specify the library interface then? If it did that, >>then none of the "ioctls are deprecated for 3 years now" would have come >>as a surprise. Or rather, it maybe would have, but it wouldn't have >>mattered to the management app. > > I asked one of the authors, Steve Fairchild, about this. He said that > they had had a bad experience with HBAAPI, the FC library. They had a > lot of problems with vendors keeping the library up to date, multiple > vendors shipping multiple incompatible versions, etc. I wasn't entirely > convinced, since they seem to have just replaced one set of problems for > another. The user app would read the SDI major and minor from SDI_GET_DRIVER_INFO and then know which spec to use. After that just sending bytes of data (forming units) one after the other (as in "smp_portal") would suffice for 32/64 bit (similarly to SG). Luben -- http://linux.adaptec.com/sas/ http://www.adaptec.com/sas/ - : 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