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Implement paging on the pci arbiter

From: Joan Lledó
Subject: Implement paging on the pci arbiter
Date: Wed, 26 Aug 2020 10:24:49 +0200 (CEST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0


I'm doing a research on how to allow arbiter clients to map bar regions
into their spaces. It seems to me the approach should be:

1.- Make the arbiter implement paging
2.- Expect clients to mmap() the region files the arbiter generates

Sounds that correct for you?

I'm a bit confused with libpager, the reference manual seems to be obsolete:


From this document I assumed I should create a pager for each region
file, call page_demuxer from the arbiter's demuxer and implement
callback functions. But it seems pager_demuxer() is not defined anymore
and servers use pager_start_workers() which I'm not sure what's for.

Is there more recent documentation about libpager?

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