>-----Original Message----- >From: Luke Gorrie [mailto:[email protected]] >Sent: Tuesday, January 10, 2012 11:23 AM >To: [email protected] >Subject: [E1000-devel] igb and Programmed I/O > >Hello there, > >I've been enjoying writing user space code that interacts with the 82599 >using simple programmed I/O towards the ports that I see in >/proc/ioports. >Fun stuff, really :) > >Now I'd like to do the same thing with the 82580, but I find that it's >not >mapping any IO ports. Can somebody please give me a hint on how to make >it >do so? > >To be more specific, in dmesg from boot I see that an 82599 device does >map >an io port: > >pci 0000:08:00.0: reg 10 64bit mmio: [0xfbbe0000-0xfbbfffff] >pci 0000:08:00.0: reg 18 io port: [0x5000-0x501f] >pci 0000:08:00.0: reg 20 64bit mmio: [0xfbbd0000-0xfbbd3fff] >pci 0000:08:00.0: PME# supported from D0 D3hot >pci 0000:08:00.0: PME# disabled >pci 0000:08:00.0: reg 184 64bit mmio: [0x000000-0x003fff] >pci 0000:08:00.0: reg 190 64bit mmio: [0x000000-0x003fff] > >but an 82580 one does not: > >pci 0000:0b:00.0: reg 10 32bit mmio: [0xfbf80000-0xfbffffff] >pci 0000:0b:00.0: reg 1c 32bit mmio: [0xfbf70000-0xfbf73fff] >pci 0000:0b:00.0: PME# supported from D0 D3hot >pci 0000:0b:00.0: PME# disabled > >I tried booting with both the RHEL 6.0 version of the igb driver and the >latest DNA one of Luca's from svn. > >I've poked around in the data sheets and drivers sources but I didn't >spot >any significant difference between 82599 and 82580 in either. > >Any help greatly appreciated! I want to play with my 82580 :-) > >Cheers, >-Luke
Hello, Good question. 8-) I'll need to do a bit of research, but I'll get back to you on what we can do for this. Thanks, Carolyn Carolyn Wyborny Linux Development LAN Access Division Intel Corporation ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
