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qat: fix UIO mounts

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DPDK uses /sys/class/uio/uioX/device/[control|resource*] and we
had special mounts for the individual uioX paths. However, it turned
out this wasn't working as expected: host's /sys/class/uio/uioX/device/
was mounted to container's /sys/class/uio and DPDK failed to find
uioX/device/[control|resource*] files. Moreover, workloads requesting
more than one QAT resource, still saw only one path.

While cri-o/containerd give sysfs read-only mounts, DPDK needs
device/config RW. Therefore, we need to mount host /sys/class/uio/uioX
to container /sys/class/uio/uioX for each requested device.

Signed-off-by: Mikko Ylinen <mikko.ylinen@intel.com>
This commit is contained in:
Mikko Ylinen 2020-04-01 08:33:05 +03:00
parent a352cd5d54
commit e4a57899d2
1 changed files with 1 additions and 1 deletions
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2
cmd/qat_plugin/dpdkdrv/dpdkdrv.go
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@ -178,7 +178,7 @@ func (dp *DevicePlugin) getDpdkMounts(id string) ([]pluginapi.Mount, error) {
return []pluginapi.Mount{
{
HostPath: uioMountPoint,
ContainerPath: uioMountPath,
ContainerPath: uioMountPoint,
},
}, nil
case "vfio-pci":