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Re: [Xen-devel] one question on the PCI ioport base address for hvm doma
| To: | "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] one question on the PCI ioport base address for hvm domain in hvmloader.c |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Mon, 07 Jan 2008 12:59:29 +0000 |
| Delivery-date: | Mon, 07 Jan 2008 05:00:28 -0800 |
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| Thread-topic: | [Xen-devel] one question on the PCI ioport base address for hvm domain in hvmloader.c |
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Why not keep the level of indirection? After all, the guest OS should be allowed to remap any BAR and we should support that. -- Keir On 7/1/08 11:47, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote: > I'm considering to make guest IO port address same as physical one for > passthrough hvm domain. However, in hvmloader.c's pci_setup(), the > io_base is hardcoded as 0xc000, are there any special reason for this > value? (I checked and seems it comes from original qemu's code) > > Can anyone give me some hints on it? > > Thanks > -- Yunhong Jiang > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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