K 10
svn:author
V 3
ken
K 8
svn:date
V 27
2013-08-15T16:41:27.202554Z
K 7
svn:log
V 389
Export the maxio field in the CAM XPT_PATH_INQ CCB in the isp(4)
driver.

This tells consumers up the stack the maximum I/O size that the
controller can handle.

The I/O size is bounded by the number of scatter/gather segments
the controller can handle and the page size.  For an amd64 system,
it works out to around 5MB.

Reviewed by:	mjacob
MFC after:	3 days
Sponsored by:	Spectra Logic

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