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tests: Fix test_vfio

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The new kernel 5.12 requires the devices to be manually bound to
vfio-pci while adding a new_id is only needed once per
device_id:vendor_id pair.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-04-27 18:56:25 +02:00
parent 9be27bf92e
commit fdcfec081b
2 changed files with 5 additions and 4 deletions
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7
test_data/cloud-init/ubuntu/user-data
View File

@ -36,14 +36,15 @@ write_files:
#!/bin/bash
mount /dev/vdc /mnt
bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
bash -c "echo 0000:00:06.0 > /sys/bus/pci/devices/0000\:00\:06.0/driver/unbind"
bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
bash -c "echo 0000:00:06.0 > /sys/bus/pci/drivers/vfio-pci/bind"
bash -c "echo 0000:00:07.0 > /sys/bus/pci/devices/0000\:00\:07.0/driver/unbind"
bash -c "echo 1af4 1041 > /sys/bus/pci/drivers/vfio-pci/new_id"
bash -c "echo 0000:00:07.0 > /sys/bus/pci/drivers/vfio-pci/bind"
# 1G ram requires 512 pages
echo 512 | sudo tee /proc/sys/vm/nr_hugepages
sudo chmod a+rwX /dev/hugepages
/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-20210407-0.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,hugepages=on --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
/mnt/cloud-hypervisor --kernel /mnt/vmlinux --cmdline "console=hvc0 reboot=k panic=1 nomodules root=/dev/vda1 VFIOTAG" --disk path=/mnt/focal-server-cloudimg-amd64-custom-20210407-0.qcow2 path=/mnt/cloudinit.img --cpus boot=1 --memory size=512M,hotplug_size=1G,hugepages=on --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
-
path: /etc/systemd/system/notify-booted.service

2
tests/integration.rs
View File

@ -3559,7 +3559,7 @@ mod tests {
).unwrap();
guest
.ssh_command_l1(
"echo 1af4 1041 | sudo tee /sys/bus/pci/drivers/vfio-pci/new_id",
"echo 0000:00:08.0 | sudo tee /sys/bus/pci/drivers/vfio-pci/bind",
)
.unwrap();
let vfio_hotplug_output = guest