On Mon, Jan 25, 2021 at 5:22 AM Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > SRIOV and SF's require a simple linear lookup to learn the "function" > because the BAR space is required to be linear. Isn't this still true even for NumVF's > 256? Wouldn't there still be a contiguous VF BAR space? Don't the routing IDs simply carry on incrementing by stride, with each being assigned the next slice of the shared BAR space? > Scaling a CAM to high sizes is physicaly infeasible, so all approaches > to scaling PCI functions go this road of having a single large BAR > space. If the above is true, is there really a need to scale up CAM? Regards, Edwin Peer
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