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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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