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Subject: [PATCH RFC v7 6/8] ccw: disallow ADMIN_VQ
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- content.tex | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/content.tex b/content.tex index 76b5a28..53be680 100644 --- a/content.tex +++ b/content.tex @@ -2668,6 +2668,16 @@ \subsubsection{Handling Device Features}\label{sec:Virtio Transport Options / Vi uses the CCW_CMD_WRITE_FEAT command, denoting a \field{features}/\field{index} combination. +\devicenormative{\paragraph}{Handling Device Features}{Virtio Transport Options / Virtio over channel I/O / Device Initialization / Handling Device Features} + +Device MUST NOT set bit VIRTIO_F_ADMIN_VQ (bit 41) in +DeviceFeatures. + +\drivernormative{\paragraph}{Handling Device Features}{Virtio Transport Options / Virtio over channel I/O / Device Initialization / Handling Device Features} + +Driver MUST NOT set bit VIRTIO_F_ADMIN_VQ (bit 41) in +DriverFeatures even if offered by the device. + \subsubsection{Device Configuration}\label{sec:Virtio Transport Options / Virtio over channel I/O / Device Initialization / Device Configuration} The device's configuration space is located in host memory. -- MST
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