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tests: Update test_vdpa_block to include vIOMMU testing

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The extra vDPA device in the test is hotplugged behind the vIOMMU, which
covers the use case of placing a vDPA device behind a virtual IOMMU.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2022-04-04 16:47:04 +02:00
parent 590361aeb6
commit a2acc02f50
1 changed files with 16 additions and 3 deletions
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19
tests/integration.rs
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@ -5874,6 +5874,7 @@ mod parallel {
.default_disks()
.default_net()
.args(&["--vdpa", "path=/dev/vhost-vdpa-0,num_queues=1"])
.args(&["--platform", "num_pci_segments=2,iommu_segments=1"])
.args(&["--api-socket", &api_socket])
.capture_output()
.spawn()
@ -5903,19 +5904,31 @@ mod parallel {
"foobar"
);
// Hotplug an extra vDPA block device
// Hotplug an extra vDPA block device behind the vIOMMU
// Add a new vDPA device to the VM
let (cmd_success, cmd_output) = remote_command_w_output(
&api_socket,
"add-vdpa",
Some("id=myvdpa0,path=/dev/vhost-vdpa-1,num_queues=1"),
Some("id=myvdpa0,path=/dev/vhost-vdpa-1,num_queues=1,pci_segment=1,iommu=on"),
);
assert!(cmd_success);
assert!(String::from_utf8_lossy(&cmd_output)
.contains("{\"id\":\"myvdpa0\",\"bdf\":\"0000:00:07.0\"}"));
.contains("{\"id\":\"myvdpa0\",\"bdf\":\"0001:00:01.0\"}"));
thread::sleep(std::time::Duration::new(10, 0));
// Check IOMMU setup
assert!(guest
.does_device_vendor_pair_match("0x1057", "0x1af4")
.unwrap_or_default());
assert_eq!(
guest
.ssh_command("ls /sys/kernel/iommu_groups/0/devices")
.unwrap()
.trim(),
"0001:00:01.0"
);
// Check both if /dev/vdd exists and if the block size is 128M.
assert_eq!(
guest