linux-kernel - [PATCH v2 0/2] Add Nitro Secure Module support

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Date:   Fri, 29 Sep 2023 13:33:18 +0000
From:   Alexander Graf <graf@...zon.com>
To:     <linux-crypto@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Olivia Mackall <olivia@...enic.com>,
        "Petre Eftime" <petre.eftime@...il.com>,
        Erdem Meydanlli <meydanli@...zon.nl>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        David Woodhouse <dwmw@...zon.co.uk>,
        "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: [PATCH v2 0/2] Add Nitro Secure Module support

We already have support for the Nitro Enclave kernel module in upstream
Linux, which is needed to control a Nitro Enclave's lifecycle.

However, users typically want to run Linux inside the Enclave as well. To
do that well, they need the ability to communicate to the Nitro Secure
Module: A virtio based PV device that provides access to PCRs, an attestation
document as well as access to entropy.

These patches add driver support for NSM. With them in place, upstream Linux
has everything that's needed to run as a Nitro Enclave kernel.

Alex

v1 -> v2:

   - Remove boilerplate
   - Add uapi header

Alexander Graf (2):
  misc: Add Nitro Secure Module driver
  hwrng: Add support for Nitro Secure Module

 MAINTAINERS                      |  11 +
 drivers/char/hw_random/Kconfig   |  12 +
 drivers/char/hw_random/Makefile  |   1 +
 drivers/char/hw_random/nsm-rng.c | 272 +++++++++++++++++++
 drivers/misc/Kconfig             |  11 +
 drivers/misc/Makefile            |   1 +
 drivers/misc/nsm.c               | 448 +++++++++++++++++++++++++++++++
 include/linux/nsm.h              |  35 +++
 include/uapi/linux/nsm.h         |  24 ++
 9 files changed, 815 insertions(+)
 create mode 100644 drivers/char/hw_random/nsm-rng.c
 create mode 100644 drivers/misc/nsm.c
 create mode 100644 include/linux/nsm.h
 create mode 100644 include/uapi/linux/nsm.h

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