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https://github.com/cloud-hypervisor/cloud-hypervisor.git
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tests: Use a disk image for test_vfio rather than virtio-fs
This reduces the complexity of the test slightly. The PCI BDFs in the L1 needed changing as the block devices come before the network ones. Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
Sebastien Boeuf
parent
8fbc4b4004
commit
4ef702ea76
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@ -160,7 +160,8 @@ if [ ! -d "$SHARED_DIR" ]; then
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fi
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VFIO_DIR="$WORKLOADS_DIR/vfio"
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rm -rf $VFIO_DIR
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VFIO_DISK_IMAGE="$WORKLOADS_DIR/vfio.img"
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rm -rf $VFIO_DIR $VFIO_DISK_IMAGE
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mkdir -p $VFIO_DIR
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cp $FOCAL_OS_IMAGE $VFIO_DIR
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cp $FW $VFIO_DIR
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@ -30,12 +30,12 @@ write_files:
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content: |
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#!/bin/bash
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mount -t virtiofs -o dax myfs /mnt
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bash -c "echo 0000:00:05.0 > /sys/bus/pci/devices/0000\:00\:05.0/driver/unbind"
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bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
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mount /dev/vdc /mnt
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bash -c "echo 0000:00:06.0 > /sys/bus/pci/devices/0000\:00\:06.0/driver/unbind"
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bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
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bash -c "echo 0000:00:07.0 > /sys/bus/pci/devices/0000\:00\:07.0/driver/unbind"
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bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
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# 1G ram requires 512 pages
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echo 512 | sudo tee /proc/sys/vm/nr_hugepages
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sudo chmod a+rwX /dev/hugepages
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/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd root=/dev/vda1 VFIOTAG" --disk path=/mnt/focal-server-cloudimg-amd64-custom.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,file=/dev/hugepages --device path=/sys/bus/pci/devices/0000:00:05.0/ path=/sys/bus/pci/devices/0000:00:06.0/ --api-socket /tmp/ch_api.sock
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/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd root=/dev/vda1 VFIOTAG" --disk path=/mnt/focal-server-cloudimg-amd64-custom.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,file=/dev/hugepages --device path=/sys/bus/pci/devices/0000:00:06.0/ path=/sys/bus/pci/devices/0000:00:07.0/ --api-socket /tmp/ch_api.sock
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@ -3247,7 +3247,7 @@ mod tests {
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let mut kernel_path = workload_path.clone();
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kernel_path.push("bzImage");
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let mut vfio_path = workload_path;
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let mut vfio_path = workload_path.clone();
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vfio_path.push("vfio");
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let mut cloud_init_vfio_base_path = vfio_path.clone();
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@ -3261,19 +3261,45 @@ mod tests {
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)
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.expect("copying of cloud-init disk failed");
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let mut vfio_disk_path = workload_path;
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vfio_disk_path.push("vfio.img");
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// Create the vfio disk image
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let output = Command::new("mkfs.ext4")
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.arg("-d")
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.arg(vfio_path.to_str().unwrap())
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.arg(vfio_disk_path.to_str().unwrap())
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.arg("2g")
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.output()
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.unwrap();
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if !output.status.success() {
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eprintln!("{}", String::from_utf8_lossy(&output.stderr));
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panic!("mkfs.ext4 command generated an error");
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}
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let vfio_tap0 = "vfio-tap0";
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let vfio_tap1 = "vfio-tap1";
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let vfio_tap2 = "vfio-tap2";
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let vfio_tap3 = "vfio-tap3";
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let (mut daemon_child, virtiofsd_socket_path) =
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prepare_virtiofsd(&guest.tmp_dir, vfio_path.to_str().unwrap(), "none");
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let mut child = GuestCommand::new(&guest)
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.args(&["--cpus", "boot=4"])
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.args(&["--memory", "size=2G,hugepages=on,shared=on"])
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.args(&["--kernel", kernel_path.to_str().unwrap()])
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.default_disks()
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.args(&[
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"--disk",
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format!(
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"path={}",
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guest.disk_config.disk(DiskType::OperatingSystem).unwrap()
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)
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.as_str(),
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format!(
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"path={}",
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guest.disk_config.disk(DiskType::CloudInit).unwrap()
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)
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.as_str(),
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format!("path={}", vfio_disk_path.to_str().unwrap()).as_str(),
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])
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.args(&[
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"--cmdline",
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format!(
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@ -3301,14 +3327,6 @@ mod tests {
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)
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.as_str(),
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])
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.args(&[
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"--fs",
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format!(
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"tag=myfs,socket={},num_queues=1,queue_size=1024,dax=on",
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virtiofsd_socket_path,
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)
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.as_str(),
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])
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.spawn()
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.unwrap();
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@ -3360,7 +3378,7 @@ mod tests {
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// Hotplug an extra virtio-net device through L2 VM.
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guest.ssh_command_l1(
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"echo 0000:00:07.0 | sudo tee /sys/bus/pci/devices/0000:00:07.0/driver/unbind",
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"echo 0000:00:08.0 | sudo tee /sys/bus/pci/devices/0000:00:08.0/driver/unbind",
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)?;
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guest.ssh_command_l1(
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"echo 1af4 1041 | sudo tee /sys/bus/pci/drivers/vfio-pci/new_id",
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@ -3368,7 +3386,7 @@ mod tests {
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let vfio_hotplug_output = guest.ssh_command_l1(
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"sudo /mnt/ch-remote \
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--api-socket=/tmp/ch_api.sock \
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add-device path=/sys/bus/pci/devices/0000:00:07.0,id=vfio123",
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add-device path=/sys/bus/pci/devices/0000:00:08.0,id=vfio123",
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)?;
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aver!(
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tb,
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@ -3450,9 +3468,7 @@ mod tests {
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);
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let _ = child.kill();
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let _ = daemon_child.kill();
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let _ = child.wait();
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let _ = daemon_child.wait();
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Ok(())
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});
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