cvs commit: src/sys/cam cam_xpt.c
mjacob at FreeBSD.org
Sat Jan 22 14:46:45 PST 2005
mjacob 2005-01-22 22:46:45 UTC
FreeBSD src repository
This is a somewhat imperfect means to try and bring FreeBSD forward in
its ability to automatically scan and attach luns for modern storage
which has luns in the 0..1000 range, not 0..7.
The correct thing would be to do REPORT LUNS for devices whose LUN0
version shows a version >= SCSI3, but lacking that we should be able
to search higher than LUN 7 if we're >= SCSI3 with no ill effects.
This change keeps all of the QUIRK_HILUNS quirks, obeys the QUIRK_NOLUNS,
and introduces a QUIRK_NOHILUNS which will keep searches above LUN 7
happening for devices that report >= SCSI3 compliance. I doubt the latter
will be needed, but you never know.
This allowed me to randomly scan and attach > 500 disks at a time in
a situation where quirking for QUIRK_HILUNS wasn't practical (the
vendor id and product id changes of the virtualization changes
Reviewed by: ken at freebsd.org, scottl at freebsd.org, gibbs at freebsd.org
MFC after: 2 weeks
Revision Changes Path
1.147 +13 -3 src/sys/cam/cam_xpt.c
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