PCI IRQ tables

Dave Aubin daubin at actuality-systems.com
Thu Sep 30 14:15:01 CEST 2004


Hi,
 
  No I think my question is even simpler than that.  Where do I go to 
learn about the magic that is inside the mp and irq files?
 
Thanks,
Dave:)

________________________________

From: YhLu [mailto:YhLu at tyan.com] 
Sent: Thursday, September 30, 2004 3:14 PM
To: Dave Aubin; linuxbios at clustermatic.org
Subject: RE: PCI IRQ tables


SMP or single CPU?
 
If SMP, and io apci is enabled, you may only focus on mptable.c and
irq-tables.c may only contain device that point to the peer roots bus.
 
YH
 
________________________________

From: Dave Aubin [mailto:daubin at actuality-systems.com] 
Sent: Thursday, September 30, 2004 11:53 AM
To: Dave Aubin; linuxbios at clustermatic.org
Subject: RE: PCI IRQ tables
 
Hi,
 
  I didn't get an answer from the previous post so I'll just simplify
a little bit.  Can someone point me to where I can learn more about
the magic that makes the pci_irq files?  
 
Thanks,
Dave:)
 
________________________________

From: linuxbios-admin at clustermatic.org
[mailto:linuxbios-admin at clustermatic.org] On Behalf Of Dave Aubin
Sent: Wednesday, September 29, 2004 5:18 PM
To: linuxbios at clustermatic.org
Subject: PCI IRQ tables
Hi,
 
  What happens if the pci irq mapping is a mess?  I know you can use
getpir
with a good bios, but what if you don't have one?  Is there a way to get
the
pci irq mapping without a standard bios?  If you had to do it by hand
could
you explain how it should be done?
 
Thanks,
Dave
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