On Mon, 8 May 2023 18:54:09 -0500 Steven Kucharzyk <stvr_8888@xxxxxxxxxxx> wrote: > I'd like to ask if there is a block/flow chart/diagram that has been > created that represent the elements that are being discussed for this > RFC? If so, would you be so kind as to point me to it or send it to me? Hi Steven, the whole point of the design is that there is no predefined block diagram or flow chart. It would not fit hardware well, as hardware generations and vendors do not generally have a common design. Instead, the idea is to model what the hardware can do, and for that each driver will create a set of specific pipelines the hardware implements. Userspace then choose a pipeline that suits it and populates its parameters. As for the elements themselves, we can hopefully define some commonly available types, but undoubtedly there will be a few hardware-specific elements as well. Otherwise some piece of special hardware functionality cannot be used at all. The job of defining a generic pipeline model and mapping that to actual hardware elements is left for a userspace library. I expect there will be multiple pipeline models, more to be introduced over time. Hence putting that in a userspace library instead of carving it in stone at the kernel UAPI. Next time, please do use reply-to-all, you have again dropped everyone and other mailing lists from the CC. Thanks, pq
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