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Message-ID: <ea0ae8ac-41bc-4aaa-87b6-af31002e6ce0@linux.intel.com>
Date: Thu, 1 Feb 2024 08:53:37 -0800
From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
To: "David E. Box" <david.e.box@...ux.intel.com>, netdev@...r.kernel.org,
 ilpo.jarvinen@...ux.intel.com
Cc: linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH 0/8] Intel On Demand: Add netlink interface for SPDM
 attestation


On 1/31/24 5:07 PM, David E. Box wrote:
> This patch series primarily adds support for a new netlink ABI in the
> Intel On Demand driver for performing attestation of the hardware state.

Try to add some info about why you need new netlink ABI?

>
> Attestation patches
>
> Patch 1: The attestation mailbox command requires that the message size
> register be set along with the package size. Adds that support.
>
> Patch 2: The attestation command will need to write the SPDM message and
> read the response. The current mailbox flow handles reads and writes
> separately. Combines the two flows.
>
> Patch 3: Patch 4 will create a separate c file for the netlink
> interface. Add a separate header file now. No functional changes. This
> mostly just makes it easier to see the changes in Patch 4.
>
> Patch 4: Adds attestation support to the driver and provides a netlink
> interface to perform the service.
>
> Other changes
>
> Patch 5: Adds support to read the in-band BIOS lock. If set, On Demand
> controls are not available in the driver.
>
> Patch 6: Adds a new attribute to allow reading the most current metering
> state.
>
> Patch 7: Fixes for the intel_sdsi tool
>
> Patch 8: Adds support to the intel_sdsi tool to read the current meter
> state.
>
> David E. Box (7):
>   platform/x86/intel/sdsi: Set message size during writes
>   platform/x86/intel/sdsi: Combine read and write mailbox flows
>   platform/x86/intel/sdsi: Add header file
>   platform/x86/intel/sdsi: Add netlink SPDM transport
>   platform/x86/intel/sdsi: Add attribute to read the current meter state
>   tools: Fix errors in meter_certificate display
>   tools: intel_sdsi: Add current meter support
>
> Kuppuswamy Sathyanarayanan (1):
>   platform/x86/intel/sdsi: Add in-band BIOS lock support
>
>  Documentation/netlink/specs/intel_sdsi.yaml |  97 ++++++
>  MAINTAINERS                                 |   3 +
>  drivers/platform/x86/intel/Makefile         |   2 +-
>  drivers/platform/x86/intel/sdsi.c           | 317 ++++++++++++++++----
>  drivers/platform/x86/intel/sdsi.h           |  47 +++
>  drivers/platform/x86/intel/sdsi_genl.c      | 249 +++++++++++++++
>  include/uapi/linux/intel-sdsi.h             |  40 +++
>  tools/arch/x86/intel_sdsi/intel_sdsi.c      |  99 +++---
>  8 files changed, 754 insertions(+), 100 deletions(-)
>  create mode 100644 Documentation/netlink/specs/intel_sdsi.yaml
>  create mode 100644 drivers/platform/x86/intel/sdsi.h
>  create mode 100644 drivers/platform/x86/intel/sdsi_genl.c
>  create mode 100644 include/uapi/linux/intel-sdsi.h
>
>
> base-commit: 6613476e225e090cc9aad49be7fa504e290dd33d

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer


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