Hi,
Check the following website.
http://wiki.xensource.com/xenwiki/VTdHowTo
I think you need "iommu=1" option in grub.conf.
Best Regards,
Akio Takebe
Simon Hintermann wrote:> Hello all,
>
> I''m working with a qlogic fiber channel connection to my SAN. My
goal is to
> access it directly from a domU to build up an iscsitarget server. Working
> with Xen 3.2, I tried to access it by a simple pci = [ ... ] in the cfg
> file, but I get an ugly:
>
> [ 1.498824] qla2xxx 0000:00:01.1: enabling device (0000 -> 0002)
> [ 1.499221] qla2xxx 0000:00:01.1: Found an ISP2432, irq 17, iobase
> 0xd1024000
> [ 1.499470] qla2xxx 0000:00:01.1: [ERROR] Failed to allocate memory for
> adapter
> [ 1.499510] qla2xxx: probe of 0000:00:01.1 failed with error -12
>
>
> Here is my lspci:
>
> # lspci
> 06:00.0 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI
> Express HBA (rev 03)
> 06:00.1 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI
> Express HBA (rev 03)
>
>
> Here are the boot option (menu.lst):
>
> title Xen 3.2-1-i386 / Debian GNU/Linux, kernel 2.6.26-1-xen-686
> (hd0)
> root (hd0,0)
> kernel /xen-3.2-1-i386.gz
> module /vmlinuz-2.6.26-1-xen-686 root=/dev/mapper/vg00-root ro
> console=tty0 pciback.hide=(0000:06:00.0)(0000:06:00.1) pciback.permissive
> module /initrd.img-2.6.26-1-xen-686
>
>
> Here is the pci line (iscsitarget.cfg):
>
> pci = [ ''06:00.0'',''06:00.1'' ]
>
>
> Here is my pciback content:
>
> /sys/bus/pci/drivers/pciback# ls -la
> total 0
> drwxr-xr-x 2 root root 0 mar 23 11:52 .
> drwxr-xr-x 17 root root 0 mar 23 11:46 ..
> lrwxrwxrwx 1 root root 0 mar 23 11:48 0000:06:00.0 ->
> ../../../../devices/pci0000:00/0000:00:1c.0/0000:06:00.0
> lrwxrwxrwx 1 root root 0 mar 23 11:51 0000:06:00.1 ->
> ../../../../devices/pci0000:00/0000:00:1c.0/0000:06:00.1
>
>
> And finally the content of xend-pci-quirks.sxp:
>
> (qla2xxx
> (pci_ids
> (''1077:2432:1077:0138'' # Fibre Channel:
QLogic Corp.
> ISP2432-based 4Gb Fibre Channel to PCI Express HBA (rev 03)
> )
> )
>
> (pci_config_space_fields
> (''00000004:2:00000000'' # From pciback
report (cat
> /sys/bus/pci/drivers/pciback/quirks)
> ''0000003c:1:00000000''
> ''0000003d:1:00000000''
> ''0000000c:1:00000000''
> ''0000000d:1:00000000''
> ''0000000f:1:00000000''
> ''00000010:4:00000000''
> ''00000014:4:00000000''
> ''00000018:4:00000000''
> ''0000001c:4:00000000''
> ''00000020:4:00000000''
> ''00000024:4:00000000''
> ''00000030:4:00000000''
> ''00000074:2:00000000''
> ''00000076:2:00000000''
> ''00000078:4:00000000''
> ''00000044:2:00000000''
> ''00000046:2:00000000''
> ''00000048:2:00000000''
> ''0000004a:1:00000000''
> ''0000004b:1:00000000''
> )
> )
> )
>
> Hoping someone can give me a hint...
>
>
>
> ------------------------------------------------------------------------
>
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