On Tue, Nov 28, 2023 at 05:09:07PM -0800, Nicolin Chen wrote:
With that being said, I think errno (-EIO) could do the job, as you suggested too.
Do we have any idea what HW failures can be generated by the commands this will execture? IIRC I don't remember seeing any smmu specific codes related to invalid invalidation? Everything is a valid input?
"7.1 Command queue errors" has the info.
Hmm CERROR_ATC_INV_SYNC needs to be forwarded to the guest somehow
Jason