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-rw-r--r--content.tex4
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@@ -2243,6 +2243,10 @@ GPR & Input Value & Output Value \\
\hline
\end{tabular}
+The device MUST ignore bits 0-31 (counting from the left) of GPR2.
+This aligns passing the subchannel ID with the way it is passed
+for the existing I/O instructions.
+
Host cookie is an optional per-virtqueue 64 bit value that can be
used by the hypervisor to speed up the notification execution.
For each notification, the output value is returned in GPR2 and