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ci: Add integration test for VFIO hot-unplug

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Extend the existing test_vfio by unplugging the previously hotplugged
device.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-03-09 18:32:55 +01:00 committed by Rob Bradford
parent b50cbe5064
commit f7277140bb
1 changed files with 54 additions and 0 deletions
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54
tests/integration.rs
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@ -2374,6 +2374,18 @@ mod tests {
1
);
// Check the amount of PCI devices appearing in L2 VM.
aver_eq!(
tb,
guest
.ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
.unwrap_or_default()
.trim()
.parse::<u32>()
.unwrap_or_default(),
7,
);
// Hotplug an extra virtio-net device through L2 VM.
guest.ssh_command_l1(
"echo 0000:00:07.0 | sudo tee /sys/bus/pci/devices/0000:00:07.0/driver/unbind",
@ -2404,6 +2416,48 @@ mod tests {
1
);
// Check the amount of PCI devices appearing in L2 VM.
// There should be one more device than before, raising the count
// up to 8 PCI devices.
aver_eq!(
tb,
guest
.ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
.unwrap_or_default()
.trim()
.parse::<u32>()
.unwrap_or_default(),
8,
);
// Let's now verify that we can correctly remove the virtio-net
// device through the "remove-device" command responsible for
// unplugging VFIO devices.
// "vfio2" is used here because the two previous devices will be
// affected with the values "vfio0" and "vfio1" by default.
guest.ssh_command_l1(
"sudo curl \
--unix-socket /tmp/ch_api.sock \
-i \
-X PUT http://localhost/api/v1/vm.remove-device \
-H 'Accept: application/json' -H 'Content-Type: application/json' \
-d '{\"id\":\"vfio2\"}'",
)?;
thread::sleep(std::time::Duration::new(10, 0));
// Check the amount of PCI devices appearing in L2 VM is back down
// to 7 devices.
aver_eq!(
tb,
guest
.ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
.unwrap_or_default()
.trim()
.parse::<u32>()
.unwrap_or_default(),
7,
);
let _ = child.kill();
let _ = daemon_child.kill();
let _ = child.wait();