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tests: ensure that IOMMU maximum address width in bits is respected

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Signed-off-by: Nikolay Edigaryev <edigaryev@gmail.com>
This commit is contained in:
Nikolay Edigaryev 2025-01-08 12:15:55 +04:00 committed by Rob Bradford
parent 27fda753e1
commit 5a8df3622c
1 changed files with 41 additions and 1 deletions
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42
tests/integration.rs
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@ -9111,7 +9111,10 @@ mod vfio {
.args(["--cpus", "boot=4"])
.args(["--memory", "size=4G"])
.args(["--kernel", fw_path(FwType::RustHypervisorFirmware).as_str()])
.args(["--device", format!("path={NVIDIA_VFIO_DEVICE}").as_str()])
.args([
"--device",
format!("path={NVIDIA_VFIO_DEVICE},iommu=on").as_str(),
])
.args(["--api-socket", &api_socket])
.default_disks()
.default_net()
@ -9136,6 +9139,43 @@ mod vfio {
handle_child_output(r, &output);
}
#[test]
fn test_nvidia_card_iommu_address_width() {
let jammy = UbuntuDiskConfig::new(JAMMY_VFIO_IMAGE_NAME.to_string());
let guest = Guest::new(Box::new(jammy));
let api_socket = temp_api_path(&guest.tmp_dir);
let mut child = GuestCommand::new(&guest)
.args(["--cpus", "boot=4"])
.args(["--memory", "size=4G"])
.args(["--kernel", fw_path(FwType::RustHypervisorFirmware).as_str()])
.args(["--device", format!("path={NVIDIA_VFIO_DEVICE}").as_str()])
.args([
"--platform",
"num_pci_segments=2,iommu_segments=1,iommu_address_width=42",
])
.args(["--api-socket", &api_socket])
.default_disks()
.default_net()
.capture_output()
.spawn()
.unwrap();
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot(None).unwrap();
assert!(guest
.ssh_command("sudo dmesg")
.unwrap()
.contains("input address: 42 bits"));
});
let _ = child.kill();
let output = child.wait_with_output().unwrap();
handle_child_output(r, &output);
}
}
mod live_migration {