PCI Config Space

This does not appear to be a hardware issue.

I just attempted a Google search, using keywords

"pci config space" + sparc

(note the placement of the quote marks)

I was shown approx 12,000 hits, and after going through five or six screens, I am seeing perhaps ten hits for Solaris and 11,990 hits for Linux.

Therefore, my first sense is that this is an OS kernel question.

Or ...it may be a software driver issue.

So, it may be found to be off-topic for these Hardware Forums.

Let's see if anyone else has any input, but you may need to post your question over in the Developers' Forum, somewhere.

<a href="http://forum.sun.com/index.jspa" target="_blank">http://forum.sun.com/index.jspa</a>

Bill at 2007-7-5 17:03:51 >

Thank you all for your help, I appreciate it....

Solaris sets up PCI configuration space somewhere, I assume memory ( registers ), "PCI was designed as a plug-and-play, self-configuring system. In support of this it defines an area of addressable ROM and RAM called configuration space, which can be interrogated to obtain information about a device and written to in order to configure it. "

I'm trying to determine the amount of ROM/RAM that is available for PCI config spaces on Solaris boxes.

Note: If each config space takes up 256 bytes and I know the total memory allocated, I can deduce how many devices can have config spaces. I still trying to figure out what hardware houses the PCI config spaces.

Any furhter help would be appreciated.

DakotaRobert at 2007-7-5 17:03:51 >