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| author | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2016-10-10 19:37:25 +0000 |
|---|---|---|
| committer | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2016-10-10 19:37:25 +0000 |
| commit | 91b94ddeccdbabd0de03cd39d7dc1bc657face24 (patch) | |
| tree | 2a89c58e122b5f0239f7e9b33396ec1c4692ff46 /virtio-v1.0-csd01.tex | |
| parent | 713d75d585f3b8c23d7e17202ccf4f3c572e313a (diff) | |
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/trunk@579 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
Diffstat (limited to 'virtio-v1.0-csd01.tex')
0 files changed, 0 insertions, 0 deletions