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Diffstat (limited to 'content.tex')
| -rw-r--r-- | content.tex | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/content.tex b/content.tex index 36f2f78..4b45678 100644 --- a/content.tex +++ b/content.tex @@ -22,7 +22,8 @@ The \field{device status} field provides a simple low-level indication of the completed steps of this sequence. It's most useful to imagine it hooked up to traffic lights on the console indicating the status of each device. The -following bits are defined: +following bits are defined (listed below in the order in which +they would be typically set): \begin{description} \item[ACKNOWLEDGE (1)] Indicates that the guest OS has found the device and recognized it as a valid virtio device. @@ -34,6 +35,11 @@ following bits are defined: this bit. For example, under Linux, drivers can be loadable modules. \end{note} +\item[FAILED (128)] Indicates that something went wrong in the guest, + and it has given up on the device. This could be an internal + error, or the driver didn't like the device for some reason, or + even a fatal error during device operation. + \item[FEATURES_OK (8)] Indicates that the driver has acknowledged all the features it understands, and feature negotiation is complete. @@ -42,11 +48,6 @@ following bits are defined: \item[DEVICE_NEEDS_RESET (64)] Indicates that the device has experienced an error from which it can't recover. - -\item[FAILED (128)] Indicates that something went wrong in the guest, - and it has given up on the device. This could be an internal - error, or the driver didn't like the device for some reason, or - even a fatal error during device operation. \end{description} \drivernormative{\subsection}{Device Status Field}{Basic Facilities of a Virtio Device / Device Status Field} |