Add support for larger IO queues

Question

Add support for larger IO queues

enfiskutensykkel opened this issue 7 years ago · 3 comments

Add support for IO queues spanning more than a single page.

Answer 1 · 2019-02-20T08:41:46.000Z

This should be relatively trivial when using SmartIO/SISCI. SISCI segments have linear physical memory. I don't plan on supporting this for non-linear physical memory.

Answer 2 · 2019-03-06T15:15:38.000Z

The issue for non-contiguous memory is that the PRP list describing the queue memory must exist for the life time of the queue. Currently, there is no way of logically ensuring this.

Answer 3 · 2019-03-19T23:35:22.000Z

This is resolved in the SISCI branch. Currently only support for contiguous memory.