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Subject: [OASIS Issue Tracker] (VIRTIO-132) ccw: handling of more than 64 virtqueues
[ https://issues.oasis-open.org/browse/VIRTIO-132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cornelia Huck updated VIRTIO-132: --------------------------------- Proposal: Make setting up classic queue indicators fail if the device has been configured for more than 64 virtqueues. Proposed patch: https://www.oasis-open.org/apps/org/workgroup/virtio/email/archives/201702/msg00005.html was: Make setting up classic queue indicators fail if the device has been configured for more than 64 virtqueues. Proposed patch: https://www.oasis-open.org/apps/org/workgroup/virtio/email/archives/201702/msg00003.html > ccw: handling of more than 64 virtqueues > ---------------------------------------- > > Key: VIRTIO-132 > URL: https://issues.oasis-open.org/browse/VIRTIO-132 > Project: OASIS Virtual I/O Device (VIRTIO) TC > Issue Type: Bug > Affects Versions: virtio 1.0 cs01, virtio 1.0 cs02 > Environment: Cornelia Huck <cornelia.huck@de.ibm.com> > Reporter: Cornelia Huck > Assignee: Cornelia Huck > > For virtio-ccw devices using classic queue indicators, we cannot handle devices with more than 64 queues as the indicator value is a 64 bit integer and we would not be able to notify for the higher number virtqueues. The driver needs to use two-stage indicators if a device has more than 64 virtqueues. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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