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Diffstat (limited to 'content.tex')
| -rw-r--r-- | content.tex | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/content.tex b/content.tex index d2d9ae7..952b605 100644 --- a/content.tex +++ b/content.tex @@ -2742,8 +2742,11 @@ command reject to any subsequent CCW_CMD_SET_IND_ADAPTER command. \paragraph{Legacy Interfaces: A Note on Setting Up Indicators}\label{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Setting Up Indicators / Legacy Interfaces: A Note on Setting Up Indicators} -Legacy devices will only support classic queue indicators; they will -reject CCW_CMD_SET_IND_ADAPTER as they don't know that command. +In some cases, legacy devices will only support classic queue indicators; +in that case, they will reject CCW_CMD_SET_IND_ADAPTER as they don't know that +command. Some legacy devices will support two-stage queue indicators, though, +and a driver will be able to successfully use CCW_CMD_SET_IND_ADAPTER to set +them up. \subsection{Device Operation}\label{sec:Virtio Transport Options / Virtio over channel I/O / Device Operation} |