Martin Polednik has uploaded a new change for review. Change subject: vdsm: add check for hostdev passthrough to caps ......................................................................
vdsm: add check for hostdev passthrough to caps Currently only for intel + will not be 100% accurate source Change-Id: I789f93679740e87b2f5a88351261bc58852990d4 Signed-off-by: Martin Polednik <[email protected]> --- M vdsm/caps.py 1 file changed, 27 insertions(+), 0 deletions(-) git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/71/30471/1 diff --git a/vdsm/caps.py b/vdsm/caps.py index 0993939..2b0aa21 100644 --- a/vdsm/caps.py +++ b/vdsm/caps.py @@ -246,6 +246,32 @@ return None +def _iommuPresent(cmdline): + if 'intel_iommu' in cmdline: + if 'intel_iommu=off' not in cmdline: + return 'yes' + + return 'no' + + +def _getIommuSupport(): + try: + import systemd.journal + reader = systemd.journal.Reader() + reader.this_boot() + reader.add_match(_TRANSPORT='kernel') + for index, entry in enumerate(reader): + if 'Command line:' in entry['MESSAGE']: + return _iommuPresent(entry['MESSAGE']) + except: + with open('/var/log/dmesg', 'r') as fd: + for index, line in enumerate(fd): + if 'Command line:' in line: + return _iommuPresent(line) + + return 'no' + + @utils.memoized def getLiveMergeSupport(): """ @@ -642,6 +668,7 @@ caps['autoNumaBalancing'] = getAutoNumaBalancingInfo() caps['selinux'] = _getSELinux() + caps['hostdevSupport'] = _getIommuSupport() liveSnapSupported = _getLiveSnapshotSupport(targetArch) if liveSnapSupported is not None: -- To view, visit http://gerrit.ovirt.org/30471 To unsubscribe, visit http://gerrit.ovirt.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I789f93679740e87b2f5a88351261bc58852990d4 Gerrit-PatchSet: 1 Gerrit-Project: vdsm Gerrit-Branch: master Gerrit-Owner: Martin Polednik <[email protected]> _______________________________________________ vdsm-patches mailing list [email protected] https://lists.fedorahosted.org/mailman/listinfo/vdsm-patches
