On Mon, Nov 15, 2010 at 01:53:28PM -0500, Douglas Gilbert wrote: > On the subject of UAS, due to some USB-3 streaming protocol > requirements, three tag values cannot be used by SCSI. They > are 0h, FFFEh and FFFFh. So those available for SCSI tag > use are 1h to FFFDh inclusive. I add 1 to the tag value handed to me by the block layer, and use that as the tag value that I tell the UAS device this command has. So if I ask for 256 tags, I'll hand values 1-257 to the device. -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- 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
