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Re: DMA interface support for libqos/fw_cfg.c
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From: |
Ani Sinha |
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Subject: |
Re: DMA interface support for libqos/fw_cfg.c |
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Date: |
Thu, 2 Jan 2025 21:53:27 +0530 |
On Thu, Jan 2, 2025 at 11:31 AM Ani Sinha <anisinha@redhat.com> wrote:
>
> Hi Markus:
> Currently this library can only be used to read fw_cfg files from
> QEMU. It can not be used to write to fw_cfg files since it does not
> support the DMA interface. Is it possible to add DMA interface support
> to this libraries so that we may use it to write tests that write to
> fw_cfg files?
scratch this. I realized that DMA is from guest memory which means
there has to be an agent inside the guest that provides the buffer
address to dma data from.
> I wish I had time to implement this myself but I am too starapped at
> this moment.
>
> Thanks
> Ani