| Commit message (Collapse) | Author | Age | Files | Lines |
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pointed this out, but I've not seen a manifestation of this.
o Check against 0x00 as well as 0xff for geometry register, as some clone
cards don't return 0xff. Vadim Mikhailov pointed this out in PR
8743 for his Dell SCSI Array controller working in AHA-1540
emulation mode. Note that this test is likely to go away in the
future in favor of a better one Justin has recommended.
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- For transactions of 0 length, us a non-residual checking CCB type.
- Preserve command status if our interrupt handler completes a command
while we are polling for completion in aha_cmd.
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for possible buffer overflow problems. Replaced most sprintf()'s
with snprintf(); for others cases, added terminating NUL bytes where
appropriate, replaced constants like "16" with sizeof(), etc.
These changes include several bug fixes, but most changes are for
maintainability's sake. Any instance where it wasn't "immediately
obvious" that a buffer overflow could not occur was made safer.
Reviewed by: Bruce Evans <bde@zeta.org.au>
Reviewed by: Matthew Dillon <dillon@apollo.backplane.com>
Reviewed by: Mike Spengler <mks@networkcs.com>
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cards. My machine didn't tickle this problem, so I can't tell if
it fixed anything or not. However, it didn't break my already working
1542-{B,C,CF,CP} probes.
o Minor comment correction
o Minor correction in printf
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If the next available mailbox is not in the free state, print a warning
and handle the condition as a temporary resource shortage. The condition
should never happen, but we shouldn't panic since recovery is possible.
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Convert from BT'isms to AHA'isms
Don't fail the probe if the illegal command bit is set in the status
register. If the BusLogic MultiMaster probe preceeded us, it may well
have determined that the card we are attaching to was not a true MultiMaster
by sending us a command that fails on the 154X.
Reset the adapter before doing the inquiry. This provides extra sanity
and will also clear the illegal command status bit that my be left over
from the MultiMaster probe.
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Submitted by: Poul-Henning Kamp <phk@freebsd.org>
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bogus comment to proper place.
This should fix the hangs people are seeing under very heavy load, at
least it does for me. Please let me know if you continue to have
problems.
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hasseen_isadev so this will be less noisy when conflicts do exist.
Also eliminate redundant warnings about conflicts.
Requested by: bde
Reviewed by: gibbs
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o For bt and aha only probe the one I/O range if a specific I/O is specified
in the config file.
o Don't even try to probe I/O ranges that have been seen already.
o If we conflict with an IRQ or DRQ, then fail the probe.
Requested by: bde, gibbs
Approved by: jkh
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command that comes in through xpt_polled_action works correctly.
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o Use the board id command to find out what kind of board
we're talking to. If we're talking to a board that is has
an ID that is shared between boards supported by the aha
driver and the bt driver, then use the bt's geometry
register to weed out the bt cards. Otherwise assume that we
support this card.
o Remove bt esetup command sending to the card. It seems to
wedge too many cards.
o Revert to doing a soft reset after an invalid command. This
change didn't fix anything, so I'm backing it out. The
whole issue of card resetting needs to be revisisted at some
point so that we can do it properly on all hardware.
o GC unused stuff in some places.
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those people that have cards that become wedged when a bogus command is
issued that are too wedged to have a soft reset help.
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o Unlock mailbox interface if we have a new card. Before only newer cards
(B or newer) that had the BIOS disabled would probe. Cards with the
BIOS enabled would fail to probe in the mailbox initialization code.
o Increase the number of ccbs and sg to 17 from 16 to support 64k I/O
on a non page aligned boundary. Ideas for dynamic determination of this
value welcomed, as more of these are better.
o Took credit for this driver, even though I derived it from Justin's code.
Made sure that Justin's copyright from bt.c was preserved, along with
his name, since the error handling code is nearly identical. Add my
own, identical copyright. Point people to aha_isa.c.
Cards tested: 1542C and 1542CF. The B and CP might work now as well,
but logistical problems precluded me from testing them this evening
(if you have jumper settings for the B card, please send me private
mail).
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empty but regressed to including it here.
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Submitted by: Warner Losh <imp@village.org>
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