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I think just that it's plugged in at the SPICE level. So I guess you could redirect a USB device into a guest that isn't running Linux and can't run usb/ip? But

by k8svet 2y ago

I think just that it's plugged in at the SPICE level. So I guess you could redirect a USB device into a guest that isn't running Linux and can't run usb/ip? But also, this is how usb redirection works with virt-viewer/virt-manager, I'm fairly sure.

naikrovek 2y ago
USB/IP works fine on Windows and MacOS, though MacOS has no ability to use devices shared by USB/IP; it can only share devices to others. What is this “SPICE level” you mentioned?
- touisteur 2y ago
  https://www.spice-space.org/spice-user-manual.html https://www.spice-space.org/spice-user-manual.html that qemu uses a lot.
- k8svet 2y ago
  Imagine you had a qemu/libvirt guest that understands USB, but doesn't have support for USB/IP in "kernel/userspace". usbredir gets your device to qemu, looking like it's a USB device attached to the VM, without cooperation from the guest.
  - naikrovek 2y ago
    “Without cooperation from the guest” is the bit of info I was missing. Thank you.
touisteur 2y ago
Now I'm wondering whether someone has built support for this in rust-vmm...