On Sun, 29 Apr 2007, David Miller wrote: > From: James Bottomley <James.Bottomley@xxxxxxxxxxxx> > Date: Sun, 29 Apr 2007 16:18:19 -0500 > > > On Sun, 2007-04-29 at 22:56 +0200, Guennadi Liakhovetski wrote: > > > 2. are they ever sent apart from when accompanying the DISCONNECT / > > > RESELECT? > > > > I've never seen an occasion, no. > > I have. > > > > 3. if "yes" to 2 - can the RESTORE be used to "rewind" the pointer to a > > > value smaller than the current? > > > > Theoretically, yes. In practice, no device I've ever heard of has done > > this. > > I've seen a device do this, and ironically for an inquiry :-) Ok, looking through t10 docs there seem to be quite a few functions for the SAVE DATA POINTERS / MODIFY DATA POINTER / RESTORE POINTERS (btw, even POINTER vs. POINTERS use was inconsistent between the spi5r06, s2-r10l, ana a random book I have) also apart from the usual DISCONNECT / RESELECT, like re-requesting command / data / status. Is there a SCSI driver that does all this pointer management correctly? And that's easy enough to understand and use as an example? For example, tmscsim just would reject MODIFY DP. And for every RESTORE POINTERS with sg there would be a KERN_INFO printk... Thanks Guennadi --- Guennadi Liakhovetski - 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
