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Subject: Re: [Qemu-devel] [PATCH v16 1/2] virtio-crypto: Add virtio crypto device specification
On Fri, Feb 03, 2017 at 10:33:16AM +0000, Stefan Hajnoczi wrote: > > +\begin{description} > > +\item[0] dataq1 > > +\item[\ldots] > > +\item[N-1] dataqN > > +\item[N] controlq > > +\end{description} > > + > > +N is set by \field{max_dataqueues}. > > + > > +\subsection{Feature bits}\label{sec:Device Types / Crypto Device / Feature bits} > > + > > +VIRTIO_CRYPTO_F_NON_SESSION_MODE (0) non-session mode is available. > > +VIRTIO_CRYPTO_F_CIPHER_NON_SESSION_MODE (1) non-session mode is available for CIPHER service. > > +VIRTIO_CRYPTO_F_HASH_NON_SESSION_MODE (2) non-session mode is available for HASH service. > > +VIRTIO_CRYPTO_F_MAC_NON_SESSION_MODE (3) non-session mode is available for MAC service. > > +VIRTIO_CRYPTO_F_AEAD_NON_SESSION_MODE (4) non-session mode is available for AEAD service. > > Bits 1-4 require bit 0. Is bit 0 necessary at all? Or may bits 1-4 can > be eliminated in favor of just bit 0. Too late to change it as QEMU released a device with that feature. -- MST
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