Date: Sun, 2 Sep 2001 20:09:48 -0700 (PDT) From: Matt Jacob <mjacob@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/isp isp.c Message-ID: <200109030309.f8339mA52956@freefall.freebsd.org>
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mjacob 2001/09/02 20:09:48 PDT
Modified files:
sys/dev/isp isp.c
Log:
Clarify issues about whether we have SCCLUN (65535 luns) or non-SCCLUN (16
luns) firmware for the Fibre Channel cards.
We used to assume that if we didn't download firmware, we couldn't know
what the firmware capability with respect to SCCLUNs is- and it's important
because the lun field changes in the request queue entry based upon which
firmware it is.
At any rate, we *do* get back firmware attributes in mailbox register 6
when we do ABOUT FIRMWARE for all 2200/2300 cards- and for 2100 cards
with at least 1.17.0 firmware. So- we now assume non-SCCLUN behaviour
for 2100 cards with firmware < 1.17.0- and we check the firmware attributes
for other cards (loaded firmware or not).
This also allows us to get rid of the crappy test of isp_maxluns > 16-
we simply can check firmware attributes for SCCLUN behaviour.
This required an 'oops' fix to the outgoing mailbox count field for
ABOUT FIRMWARE for FC cards.
Also- while here, hardwire firmware revisions for loaded code for SBus
cards. Apparently the 1.35 or 1.37 f/w we've been loading into isp1000
just doesn't report firmware revisions out to mailbox regs 1, 2 and 3
like everyone else. Grumble. Not that this fix hardly matters for FreeBSD.
MFC after: 4 weeks
Revision Changes Path
1.76 +63 -32 src/sys/dev/isp/isp.c
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