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(1.26 -> 1.83)...
Highlights:
o tag queue support
o fas366 support (doesn't work yet on sparc, but does on sparc64)
o tons more
(thanks to hugh, fgsch and beck for testing)
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#define's for FAS366 (needed for compile of esp_sbus)
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>From NetBSD.
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Allocate SCSI message buffers in ncr53c9x_attach(), with a provision
for front-ends to override the allocation to avoid alignment
handling in their DMA engines. Note that that ncr53c9x_msgout()
can request a 1 byte DMA transfer that would be difficult to break up.
Eliminate the degenerate loop in `ncr53c9x_intr()'. Retain the delay heuristic
it implemented under the label `shortcut:' and only use it in these cases:
(1) after successful re-relection,
(2) after receiving command-complete status, and
(3) during message-in handshake.
If we have an NCR53CF9x (indicated by the front-end by setting a flag
in the softc's new "features" word), set FSCSI bit in CFG3 if the sync
period is <= 200ns, or clear it otherwise.
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Apologies if this breaks anyone else using the MI ESP driver...
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and NetBSD.
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