patches and low-level development discussion

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 = 007 USB Virtual Machine
:page-parent: Architecture Decision Records
:page-grand_parent: About Spectrum OS

// SPDX-FileCopyrightText: 2022 Unikie
// SPDX-License-Identifier: GFDL-1.3-no-invariants-or-later OR CC-BY-SA-4.0

== Status

Proposed

== Context

Certain VMs will need access to specific USB devices, but with passthrough from
the host we can only pass through whole USB controllers, not individual devices.

== Decision

USB controllers will be passed through to a VM with authorization controls
inside the VMs to forward a specific USB device using USBIP.

== Consequences

We need to modify the upstream USBIP daemon to support authorization.