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Subject: [OASIS Issue Tracker] (VIRTIO-117) ccw: provide status accessor for driver
[ https://issues.oasis-open.org/browse/VIRTIO-117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Michael S. Tsirkin updated VIRTIO-117: -------------------------------------- Environment: Cornelia Huck <cornelia.huck@de.ibm.com> (was: Cornelia Huck <cornelia.huck@de.ibm.com> ) Resolution: ccw: add CCW_CMD_READ_STATUS ccw currently allows the driver to update the status via the CCW_CMD_WRITE_STATUS command; however, it does not allow the driver to retrieve the current status at the device, which is needed to properly support DEVICE_NEEDS_RESET. Therefore, provide a new command CCW_CMD_READ_STATUS allowing the driver to retrieve the device status. Provide this command when revision 2 has been negotiated. VIRTIO-117 Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-Id: <1445243513-2263-2-git-send-email-cornelia.huck@de.ibm.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.1@574 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 > ccw: provide status accessor for driver > --------------------------------------- > > Key: VIRTIO-117 > URL: https://issues.oasis-open.org/browse/VIRTIO-117 > Project: OASIS Virtual I/O Device (VIRTIO) TC > Issue Type: Improvement > Affects Versions: virtio 1.0 csprd01, virtio 1.0 csprd02, virtio 1.0 csprd03, virtio 1.0 cs01, virtio 1.0 cs02, virtio 1.0 cs03, virtio 1.0 cs04 > Environment: Cornelia Huck <cornelia.huck@de.ibm.com> > Reporter: Cornelia Huck > Assignee: Cornelia Huck > Fix For: virtio 1.1 cs01 > > > ccw currently allows the driver to update the status via WRITE_STATUS; however, it does not allow the driver to retrieve the current status at the device. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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