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Re: [Qemu-ppc] [PATCH 11/25] spapr: describe the XIVE interrupt source f
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From: |
Benjamin Herrenschmidt |
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Subject: |
Re: [Qemu-ppc] [PATCH 11/25] spapr: describe the XIVE interrupt source flags |
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Date: |
Sat, 02 Dec 2017 08:48:19 -0600 |
On Sat, 2017-12-02 at 15:38 +0100, Cédric Le Goater wrote:
> Hmm, yes. So, the current design for sPAPR handles all sources
> under the same XIVE object with a global memory region for all
> the ESBs.
>
> The first RFC had a mechanism to register source objects into
> the XIVE main one, allocating the IRQs per source and mapping
> the ESBs in the overall region. A bit like OPAL does. I then
> simplified for the sake of clarity and merged everything under
> the same XIVE object.
>
> Shall I reintroduce multiples sources support ? and provide a
> default one for IPIs and virtual devices of the machine.
That or you need state bits ;-)
Cheers,
Ben.