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| author | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-03-05 14:17:32 +0000 |
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| committer | mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-03-05 14:17:32 +0000 |
| commit | 065be53f89a835b0de3f75aad1475b112ebdaf40 (patch) | |
| tree | 9f526bc6edaf7e6087eff0125cc32f253aa38191 | |
| parent | b25b5ba83dc52ae311ed4fed8ac9861f9db30379 (diff) | |
legacy framing: scsi host
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@316 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
| -rw-r--r-- | content.tex | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/content.tex b/content.tex index b697293..c31a99e 100644 --- a/content.tex +++ b/content.tex @@ -4876,6 +4876,17 @@ MUST format the fields in struct virtio_scsi_event according to the native endian of the guest rather than (necessarily when not using the legacy interface) little-endian. +\subsubsection{Legacy Interface: Framing Requirements}\label{sec:Device +Types / SCSI Host Device / Legacy Interface: Framing Requirements} + +When using legacy interfaces, transitional drivers which have not +negotiated VIRTIO_F_ANY_LAYOUT MUST use a single descriptor for the +\field{lun}, \field{id}, \field{task_attr}, \field{prio}, +\field{crn} and \field{cdb} fields, and MUST only use a single +descriptor for the \field{sense_len}, \field{residual}, +\field{status_qualifier}, \field{status}, \field{response} and +\field{sense} fields. + \chapter{Reserved Feature Bits}\label{sec:Reserved Feature Bits} Currently there are three device-independent feature bits defined: |