6e9d1d8bb6
QINCNT. The 7850 puts random garbage in the high bits and all my attempts to determine the cause of this failed. This approach does seem to work around the problem. Go back to relying on the SCSIPERR interrupt instead of having the sequencer interrupt at the beginning of ITloop after a parity error occured. Determine the number of SCBs on a card automatically and base the qcntmask on the number of SCBs. Add entries for 11.4MHz, 8.8MHz, 8.0MHz, and 7.2MHz to ULTRA portion of the syncrate table. They seem to work fine on the 2940UW I have here and will allow more non-ultra devices (like my tape drive) to run sync while the adapter is in ULTRA mode. Return XS_SELTIMEOUT instead of XS_TIMEOUT for selection timeouts. I was getting sick of waiting for the SCSI code to retry each non-existant unit multiple times during boot and XS_SELTIMEOUT bypasses all retries. Use new SLIST queue macros. This was inspired by NetBSD using TAILQs in their SCSI drivers. For optimum cache hits, the free scb list should be LIFO which is what the old and new code does. NetBSD implemented a FIFO queue for some reason. Spaces -> tabs. |
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