Re: IA-64 : Map PCI Bar into user virtual space from Physical address Bar[2]

Keith Owens
2005-08-06T07:44:44Z

On Thu, 04 Aug 2005 14:12:02 -0400,
=?ISO-8859-1?Q?François_Guay?= <guay.francois@ireq.ca> wrote:
>I'm working to build a linux kernel module for a PCI card to run on SGI
>Altix IA-64
>
>I'm using Kernel 2.6.5-7.145-rt IA-64
>
>I have read the Linux Device Driver Programmers's - Guide - Porting to
>SGI Altix Systems, 007-4520-005
>
>I'm using a Linux software package from PLX version 4.4 for linux 2.6
>http://www.plxtech.com/products/tools/software/default.asp
>
>I load the module in the kernel
>In the user side, I have a program to open the device, map the device
>
>My problem actually is that I can not access the Bar[2] address in my
>user program after mapped this Bar in my user memory, the PCI Bar[2] memory region

SGI runs a developer program specifically for this type of question. I
suggest that you try http://www.sgi.com/developers/.