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Subject: Re: [Qemu-devel] [PATCH v16 1/2] virtio-crypto: Add virtio crypto device specification
On 02/03/2017 04:37 PM, Michael S. Tsirkin wrote: > 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. > When was this introduced to QEMU? Can't find it in current master and I do not remember seeing the patches. Regards, Halil
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