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  1. OASIS Virtual I/O Device (VIRTIO) TC
  2. VIRTIO-127

ccw: two-stage indicators for legacy devices

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: virtio 1.0 csprd01, virtio 1.0 csprd02, virtio 1.0 csprd03, virtio 1.0 cs01
    • Fix Version/s: virtio 1.0 cs02
    • Labels:
      None
    • Environment:

      Cornelia Huck <cornelia.huck@de.ibm.com>

    • Proposal:
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      Note that while generally legacy devices don't know about CCW_CMD_SET_IND_ADAPTER and therefore reject it, some legacy devices may actually implement this command.

      Proposed patch:
      https://lists.oasis-open.org/archives/virtio/201412/msg00001.html

      Show
      Note that while generally legacy devices don't know about CCW_CMD_SET_IND_ADAPTER and therefore reject it, some legacy devices may actually implement this command. Proposed patch: https://lists.oasis-open.org/archives/virtio/201412/msg00001.html

      Description

      The spec notes that for legacy devices, CCW_CMD_SET_IND_ADAPTER will be rejected when issued by the driver. This is demonstrably wrong: some legacy devices implement this command. Fix it up.

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            • Assignee:
              cornelia.huck Cornelia Huck (Inactive)
              Reporter:
              cornelia.huck Cornelia Huck (Inactive)
            • Watchers:
              2 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: