RE: About test suites for linux hot plug

["Guo, Min" <min.guo@intel.com>]

Thank you very much!

-----Original Message-----
From: Scott Murray [mailto:scottm@somanetworks.com]
Sent: Saturday, November 30, 2002 5:25 AM
To: Guo, Min
Cc: Linux-hotplug-devel@lists.sourceforge.net
Subject: RE: About test suites for linux hot plug


On Thu, 28 Nov 2002, Guo, Min wrote:

> Here is my initial test suite  for cPCI (ZT5084 platform) and Compaq with
> e100 and e1000 hotplug network devices,
> for the other hot plug device and features, I will give out the test
suites
> later. 

Your testcase seems reasonable, but having the PCI device appear/disappear 
is IMO the trivial part of PCI hotplug.  The vast majority of the problems
I encountered while writing the cPCI drivers involved PCI resources.  Most 
of my manual testing revolves around checking the contents of /proc/iomem 
and /proc/ioports before and after inserts and removes, as well as looking 
at the output of "lspci -vvv".  With a fixed set of hardware, it may be 
possible to come up with testcases for resource allocation, but the general
case is probably difficult to automate.

[Guo,Min] Thank you for your kind suggestion, I will investigate and try to
realize such 
function.

Something else to be aware of is that eventually I plan to support 
hardware that does not expose HS_CSR through the PCI extended capabilities.
It looks like your testcase as it stands now will break if run in a setup
that had such hardware. 

[Guo Min]: I will take a look at the platform and revise my test cases,
thank you very much!

Scott

PS: Are you working with Harold Yang?  He's also at Intel but seems to be
    having troubles using cPCI hotplug on his ZT5084 system.

[Guo Min]: Yes, I thought he had  already solved the problems.


-- 
Scott Murray
SOMA Networks, Inc.
Toronto, Ontario
e-mail: scottm@somanetworks.com


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