[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v16 1/2] virtio-crypto: Add virtio crypto device
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v16 1/2] virtio-crypto: Add virtio crypto device specification |
Date: |
Fri, 3 Feb 2017 17:37:50 +0200 |
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