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tests/vfio: Accept single device in vfio group for CLH

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cloud hypervisor does not emulate pcie switches or pci bridges, so we need to
accept a lonely device.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>
This commit is contained in:
Jeremi Piotrowski 2023-09-07 14:25:20 +02:00
parent df3dc1105c
commit faee59b520
1 changed files with 5 additions and 1 deletions
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6
tests/functional/vfio/run.sh
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@ -113,9 +113,13 @@ check_vfio() {
# There should be two devices in the IOMMU group: the ethernet
# device we care about, plus the PCIe to PCI bridge device
devs="$(get_ctr_cmd_output "${cid}" ls /sys/kernel/iommu_groups/"${group}"/devices)"
if [ $(echo "${devs}" | wc -w) != "2" ] ; then
num_devices=$(echo "${devs}" | wc -w)
if [ "${HYPERVISOR}" = "qemu" ] && [ "${num_devices}" != "2" ] ; then
die "Expected exactly two devices got: ${devs}"
fi
if [ "${HYPERVISOR}" = "clh" ] && [ "${num_devices}" != "1" ] ; then
die "Expected exactly one device got: ${devs}"
fi
# The bridge device will always sort first, because it is on
# bus zero, whereas the NIC will be on a non-zero bus