From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Name the default PCI bus "pci.0" on all architectures
Date: Fri, 28 May 2010 20:39:53 +0100 [thread overview]
Message-ID: <201005282039.53749.paul@codesourcery.com> (raw)
In-Reply-To: <1274287377-19424-1-git-send-email-berrange@redhat.com>
> The system emulators for each arch are using inconsistent
> naming for the default PCI bus "pci" vs "pci.0". Since it
> is conceivable we'll have multiple PCI buses in the future
> standardize on "pci.0" for all architectures. This ensures
> mgmt apps can rely on a name when assigning PCI devices an
> address on the bus using eg '-device e1000,bus=pci.0,addr=3'
No. Bus names are local to the parent device. None of the host bridges
support multiple bridges, so the ".0" suffix makes no sense. The parent
device has no idea whether it owns the "default" pci bus or not.
If you have multiple PCI busses then you can identify them by the device path.
Paul
next prev parent reply other threads:[~2010-05-28 19:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 16:42 [Qemu-devel] [PATCH] Name the default PCI bus "pci.0" on all architectures Daniel P. Berrange
2010-05-19 19:19 ` Blue Swirl
2010-05-20 10:00 ` Daniel P. Berrange
2010-05-28 19:39 ` Paul Brook [this message]
2010-05-29 5:13 ` Markus Armbruster
2010-06-02 15:13 ` Paul Brook
2010-06-11 13:00 ` Markus Armbruster
2010-06-11 14:28 ` Paul Brook
2010-06-02 14:12 ` Daniel P. Berrange
2010-06-02 15:10 ` Paul Brook
2010-06-02 21:03 ` Gerd Hoffmann
2010-06-03 5:45 ` Paul Brook
2010-06-03 10:14 ` Andreas Färber
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