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Panic with a clear message if the viona API is too old #1022

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Panic with a clear message if the viona API is too old #1022

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6 changes: 6 additions & 0 deletions bin/propolis-server/src/lib/initializer.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -771,6 +771,12 @@ impl MachineInitializer<'_> {
info!(self.log, "Creating vNIC {}", device_name);
let bdf: pci::Bdf = nic.device_spec.pci_path.into();

if virtio::viona::api_version().expect("can query viona version")
< virtio::viona::ApiVersion::V6
{
panic!("Kernel viona API is too old; need >= V6");
}

// Set viona device parameters if possible.
//
// The values chosen here are tuned to maximize performance when
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7 changes: 7 additions & 0 deletions bin/propolis-standalone/src/main.rs
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Expand Up @@ -1247,6 +1247,13 @@ fn setup_instance(
dev.options.get("vnic").unwrap().as_str().unwrap();
let bdf = bdf.unwrap();

if hw::virtio::viona::api_version()
.expect("can query viona version")
< hw::virtio::viona::ApiVersion::V6
{
panic!("Kernel viona API is too old; need >= V6");
}

let viona_params =
config::VionaDeviceParams::from_opts(&dev.options)
.expect("viona params are valid");
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