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Re: [Qemu-devel] [PATCH v3 14/16] acpi: Add a way for devices to add ACP
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3 14/16] acpi: Add a way for devices to add ACPI tables |
Date: |
Wed, 8 Jul 2015 19:44:16 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 |
On 07/07/2015 10:08, Igor Mammedov wrote:
> > Some devices, like IPMI, need to add ACPI table entries to report
> > their presence. Add a method for adding these entries.
>
> I think that it's not up to device to define in which table/scope
> it's entries should be but rather upto a board/platform to decide.
>
> I'd prefer the old way of adding device's ACPI AML into existing
> SSDT
This was suggested by Michael, so I think you should read the reviews of
earlier versions first.
Paolo
, like we do for every other device that needs it
> (for example: pvpanic).
> That allows to keep ACPI code in one place and for each platform
> to decide to which table put a device description and where exactly
> it should be.
>
> So I'd drop this patch and add function that returns non NULL
> "IPMIFwInfo *" if IPMI device is present and use slightly modified
> 15/16 to add device entry into the existing SSDT.