Messages in this thread | | | Subject | Re: [PATCH v2] QEMU fw_cfg DMA interface documentation | From | Laszlo Ersek <> | Date | Mon, 7 Sep 2015 13:25:20 +0200 |
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On 09/07/15 13:08, Gerd Hoffmann wrote: > Hi, > >> It's just simplicity. If you want to read a few times from the same >> field (like in ACPI tables, read the data size and then the data), you >> need a way to enable and disable the selector and manage the current >> offset for that entry. This is already provided with the "old" >> interface. > > Could be handled with a 'select' control bit. Only when set select > entry and reset offset to zero. > > Also: would it make sense to allow an *array* of FWCfgDmaAccess structs? > With a 'more' bit in control we could indicate that there are more > entries. I'm not sure firmware would actually use that though ...
Seems far-fetched.
Thanks Laszlo
> cheers, > Gerd > >
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