From: Marcelo Tosatti <mtosatti@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [patch 2/2] qemu: switch pci device init functions to accept devfn
Date: Tue, 14 Apr 2009 00:29:16 -0300 [thread overview]
Message-ID: <20090414032916.GA3349@amt.cnet> (raw)
In-Reply-To: <20090413143445.GB4595@amt.cnet>
On Mon, Apr 13, 2009 at 11:34:46AM -0300, Marcelo Tosatti wrote:
> On Mon, Apr 13, 2009 at 09:47:39AM -0400, Brian Wheeler wrote:
> > Does this mean that there would be a mechanism for a platform to map the
> > pci memory address to a platform specific linear address? Alpha uses
> >
> > 0x8000000000 + (0x20000000 * bus) + address
> >
> > to determine where the pci memory is mapped in the cpu address space...
>
> I think so yes.
Actually, no.
> The use case in mind for us is interrupt mapping from
> (device address + PCI interrupt specifier) -> platform interrupt
> specifier.
Note: the discussion here is about _pci device address_:
bus,device,function.
next prev parent reply other threads:[~2009-04-14 3:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-13 3:53 [Qemu-devel] [patch 0/2] RFC: move PCI device enumeration out of pci drivers Marcelo Tosatti
2009-04-13 3:53 ` [Qemu-devel] [patch 1/2] qemu: move pci devfn "first free" assignment to separate function Marcelo Tosatti
2009-04-13 8:08 ` Avi Kivity
2009-04-13 3:53 ` [Qemu-devel] [patch 2/2] qemu: switch pci device init functions to accept devfn Marcelo Tosatti
2009-04-13 12:27 ` Paul Brook
2009-04-13 13:30 ` Marcelo Tosatti
2009-04-13 13:47 ` Brian Wheeler
2009-04-13 14:34 ` Marcelo Tosatti
2009-04-14 3:29 ` Marcelo Tosatti [this message]
2009-04-14 8:17 ` Marcelo Tosatti
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