Re: [CXL HDM DECODER PROGRAMMING] - Question: Does Qemu program HDM decoder register of the CXL endpoint?

[Jonathan Cameron]

On Sun, 23 Jan 2022 16:13:29 +0000
Samarth Saxena <samarths@cadence.com> wrote:

> Hi All,
> 
> I had a question about the CXL HDM Decoder register programming.
> Is there any part of Qemu, that automatically programs the enable bit
> of the HDM decoder register in the Component registers of the CXL
> endpoint? The CDR (component registers) are hosted inside the memory
> of the CXL endpoint.

Hi Samarth,

Given upstream QEMU doesn't support any CXL emulation at all currently
the answer to that is a no :)

I hope to post a v4 patch series for CXL support later this week.

Once that's out perhaps we can pick up this question again.

Thanks,

Jonathan


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