Re: PCI device numbering ???

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On Fri, Feb 1, 2008 at 4:23 PM, Greg KH <greg@xxxxxxxxx> wrote:
On Fri, Feb 01, 2008 at 03:19:36PM +0530, Onkar wrote:
> /sys/bus/pci/devices# ls
> 0000:00:00.0  0000:00:01.2  0000:00:04.0  0000:00:07.0  0000:00:09.0
> 0000:00:18.0  0000:00:18.3
> 0000:00:01.0  0000:00:02.0  0000:00:05.0  0000:00:08.0  0000:00:0b.0
> 0000:00:18.1  0000:01:09.0
> 0000:00:01.1  0000:00:02.1  0000:00:06.0  0000:00:08.1  0000:00:0d.0
> 0000:00:18.2
>
>
> What is the criteria followed fot this numbering ???

Example:
0000:00:18.2

0000: pci domain
00: PCI bus number
18: device/slot
2 function number

To get a better idea about this, try typing "/sbin/lspci -tv"
This will show you how all the pci devices are hierarchically arranged in your system.

Bus 0 is the FSB here.

HTH,
Mayank
 



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