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agent: Bring in VFIO-AP device handling again

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This PR is a continuing work for (kata-containers#3679).

This generalizes the previous VFIO device handling which only
focuses on PCI to include AP (IBM Z specific).

Fixes: kata-containers#3678
Signed-off-by: Hyounggyu Choi <Hyounggyu.Choi@ibm.com>
This commit is contained in:
Hyounggyu Choi
2022-07-04 17:41:00 +02:00
parent f666f8e2df
commit 96baa83895
5 changed files with 34 additions and 37 deletions
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12
src/runtime/virtcontainers/utils/utils_linux.go
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@@ -141,18 +141,6 @@ func GetDevicePathAndFsTypeOptions(mountPoint string) (devicePath, fsType string
}
}
// IsAPVFIOMediatedDevice decides whether a device is a VFIO-AP device
// by checking for the existence of "vfio_ap" in the path
func IsAPVFIOMediatedDevice(sysfsdev string) bool {
split := strings.Split(sysfsdev, string(os.PathSeparator))
for _, el := range split {
if el == vfioAPSysfsDir {
return true
}
}
return false
}
func waitProcessUsingPidfd(pid int, timeoutSecs uint, logger *logrus.Entry) (bool, error) {
pidfd, err := unix.PidfdOpen(pid, 0)