Jeff Garzik wrote: > Mark Lord wrote: >> For example, I think all existing ATAPI drives only speak 12-byte packet >> protocols, and so if we tell SCSI we're good for 16-byte, then won't the >> SCSI layer suddenly start sending us READ_16 and the like? > > Speaking strictly about the device, IDENTIFY PACKET DEVICE data page > tells us whether the device supports 12-byte or 16-byte CDBs. No need > to guess. > > Some host controllers only support 12-byte, but I think that most should > support 16-byte. Out of curiosity, does ATA controllers which don't allow 16byte CDB actually exist? It's transferred using PIO protocol anyway. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
