[opentitanlib,qemu] Implement a minimal USB host #28644
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This virtual host talks to the QEMU usbdev driver. At the moment, this host perform the initial handshake, turns on vbus, waits for a device connection and retrieve the device descriptor. Signed-off-by: Amaury Pouly <[email protected]>
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| impl Drop for QemuUsbHost { | ||
| fn drop(&mut self) { | ||
| // Nicely ask the host thread to stop. | ||
| let _ = self.host_channel.send(HostChannelEvent::Shutdown); |
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mpsc channels have RecvError which correspond to channel shutdown.
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Thanks, I should have read the documentation more closely
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This virtual host talks to the QEMU usbdev driver. At the moment, this host perform the initial handshake, turns on vbus, waits for a device connection and retrieve the device descriptor.
This host is not super useful in its current state and will be extended in future PRs but it is already quite a large piece of work and it's good state to stop.