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Re: [Qemu-devel] [PATCH 0/2] add pci-serial device.
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] add pci-serial device. |
Date: |
Wed, 26 Sep 2012 08:54:05 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.7) Gecko/20120825 Thunderbird/10.0.7 |
Hi,
>> The only reason I ask is whether this is something we can add
>> new features to. I can't think of one off hand, but it can't
>> hurt to work this out up front.
>
> Multiport e.g. (to save PCI slots). There was some proposal
> recently to add a model of an real multiport PCI card, just don't
> find the mail right now...
Easy enough to add. Should be a separate device with its own pci id
though. According to the linux source code there seem to be two
common ways to implement this: A single, large pci bar where all
uarts are mapped one after the other. Or one pci bar for each uart.
Now I need to figure which is easier to handle for windows guests ...
cheers,
Gerd