Re: [Qemu-devel] [SeaBIOS] Graphics card pass-through working with two pass pci-initialization

[Yushu Yao <yao.yushu@gmail.com>]

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Hi Folks,

Could anyone give me a 101 lesson on what is "two-pass PCI initialization"?

I tried some time ago to pass a LSI megaraid to a rhel5 guest, but the
initialization of the pci device inside the VM fails (because, I think, it
was already initialized in the host).

Just wondering could that be related? Have anyone tried passing a raid card
to the guest?

Thanks

_Yushu


+-------------------------------------------------+
| Yushu Yao
| Ph:1-510-486-4690
|
| Lawrence Berkeley National Lab
| Mailstop 50B-6222
| 1 Cyclotron Road
| Berkeley CA 94720-8147 - USA
+-------------------------------------------------+




On Wed, Jun 1, 2011 at 3:15 PM, Kevin O'Connor <kevin@koconnor.net> wrote:

> On Wed, Jun 01, 2011 at 04:40:15PM +0200, Rudolf Marek wrote:
> > >Having a brief look at the coreboot code it seems static stuff (compiled
> by
> > >iasl) and dynamic bits are combined into the final dsdt table, is that
> correct?
> >
> > Yes the dsdt is static, it has just external references to ssdt
> > which is dynamically generated using the acpigen.
> >
> > Acpigen can generate the packages, names and sometimes even bits of
> methods.
>
> That's interesting.  SeaBIOS also has similar code - see
> acpi.c:build_ssdt().
>
> -Kevin
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