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Date:   Thu, 2 Nov 2023 12:29:50 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Alexander Graf <graf@amazon.com>
Cc:     linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
        Arnd Bergmann <arnd@arndb.de>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Olivia Mackall <olivia@selenic.com>,
        Petre Eftime <petre.eftime@gmail.com>,
        Erdem Meydanlli <meydanli@amazon.nl>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        David Woodhouse <dwmw@amazon.co.uk>,
        "Michael S . Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
        Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH v7] misc: Add Nitro Secure Module driver
Message-ID: <2023110207-payphone-unlit-8590@gregkh>
References: <20231011213522.51781-1-graf@amazon.com>
 <6b836c66-dbbf-417f-8fbe-dfd67f464a64@amazon.com>
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On Thu, Nov 02, 2023 at 10:54:34AM +0100, Alexander Graf wrote:
> On 11.10.23 23:35, Alexander Graf wrote:
> > When running Linux inside a Nitro Enclave, the hypervisor provides a
> > special virtio device called "Nitro Security Module" (NSM). This device
> > has 3 main functions:
> > 
> >    1) Provide attestation reports
> >    2) Modify PCR state
> >    3) Provide entropy
> > 
> > This patch adds a driver for NSM that exposes a /dev/nsm device node which
> > user space can issue an ioctl on this device with raw NSM CBOR formatted
> > commands to request attestation documents, influence PCR states, read
> > entropy and enumerate status of the device. In addition, the driver
> > implements a hwrng backend.
> > 
> > Originally-by: Petre Eftime <petre.eftime@gmail.com>
> > Signed-off-by: Alexander Graf <graf@amazon.com>
> 
> 
> Ping for inclusion? I haven't seen any further comments on v7 of this patch,
> so I'd assume it's good to go? :)

Ah, I thought there would be a new version for some reason, sorry about
that.  I'll review it after -rc1 is out, in the middle of the merge
window right now, I can't add anything to my trees, but new drivers can
always be added after that.

thanks,

greg k-h