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From: Jorge Lopez <jorgealtxwork@gmail.com>
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To: hdegoede@redhat.com, platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org, thomas@t-8ch.de,
ilpo.jarvinen@linux.intel.com
Subject: [PATCH v14 00/13] hp-bioscfg driver
Date: Wed, 17 May 2023 10:50:13 -0500
Message-Id: <20230517155026.28535-1-jorge.lopez2@hp.com>
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hp-bioscfg driver
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HP BIOS Configuration driver purpose is to provide a driver supporting the latest sysfs class firmware attributes framework allowing the user to change BIOS settings and security solutions on HP Inc.’s commercial notebooks. Many features of HP Commercial notebooks can be managed using Windows Management Instrumentation (WMI). WMI is an implementation of Web-Based Enterprise Management (WBEM) that provides a standards-based interface for changing and monitoring system settings. HP BIOSCFG driver provides a native Linux solution and the exposed features facilitates the migration to Linux environments. The Linux security features to be provided in hp-bioscfg driver enables managing the BIOS settings and security solutions via sysfs, a virtual filesystem that can be used by user-mode applications. The new documentation cover HP-specific firmware sysfs attributes such Secure Platform Management and Sure Start. Each section provides security feature description and identifies sysfs directories and files exposed by the driver. Many HP Commercial notebooks include a feature called Secure Platform Management (SPM), which replaces older password-based BIOS settings management with public key cryptography. PC secure product management begins when a target system is provisioned with cryptographic keys that are used to ensure the integrity of communications between system management utilities and the BIOS. HP Commercial notebooks have several BIOS settings that control its behaviour and capabilities, many of which are related to security. To prevent unauthorized changes to these settings, the system can be configured to use a cryptographic signature-based authorization string that the BIOS will use to verify authorization to modify the setting. Linux Security components are under development and not published yet. The only linux component is the driver (hp bioscfg) at this time. Other published security components are under Windows. Signed-off-by: Jorge Lopez <jorge.lopez2@hp.com> --- Based on the latest platform-drivers-x86.git/for-next History Version 14 Only patches marked [update] changed between version 14 and 13 Sorted commit patches alphabetically Rename ordered-attributes to order-list-attributes Patches Documentation biosattr-interface [update] bioscfg bioscfg-h enum-attributes [update] int-attributes order-list-attributes passwdattr-interface spmobj-attributes string-attributes surestart-attributes Makefile ../hp/Makefile ../hp/Kconfig MAINTAINERS Version 13 Only patches marked [update] changed between version 12 and 13 Sorted commit patches alphabetically Rename ordered-attributes to order-list-attributes Patches Documentation [update] biosattr-interface [update] bioscfg [update] bioscfg-h [update] enum-attributes [update] int-attributes [update] order-list-attributes [update] passwdattr-interface [update] spmobj-attributes [update] string-attributes [update] surestart-attributes [update] Makefile ../hp/Makefile ../hp/Kconfig MAINTAINERS Version 12 Only patches marked [update] changed between version 11 and 12 Patches Documentation [update] biosattr-interface [update] bioscfg [update] int-attributes [update] ordered-attributes [update] passwdobj-attributes [deleted] string-attributes [update] bioscfg-h [update] enum-attributes [update] passwdattr-interface [update] spmobj-attributes [update] surestart-attributes [update] Makefile ../hp/Makefile ../hp/Kconfig [update] MAINTAINERS Version 11 Only patches marked [update] changed between version 10 and 11 Patches Documentation biosattr-interface [update] bioscfg int-attributes ordered-attributes passwdobj-attributes [update] string-attributes bioscfg-h enum-attributes passwdattr-interface spmobj-attributes [update] surestart-attributes [update] Makefile ../hp/Makefile ../hp/Kconfig MAINTAINERS Version 10 Break down changes to single files per patch Removed SPM/statusbin support Patches Documentation biosattr-interface bioscfg int-attributes ordered-attributes passwdobj-attributes string-attributes bioscfg-h enum-attributes passwdattr-interface spmobj-attributes surestart-attributes Makefile ../hp/Makefile ../hp/Kconfig MAINTAINERS Version 9 Includes only sysfs-class-firmware-attributes documentation Version 8 Includes only sysfs-class-firmware-attributes documentation Version 7 Includes only sysfs-class-firmware-attributes documentation Version 6 Breaks down the changes into 4 patches SureAdmin-attributes was removed Version 5 Remove version 4 patch 1 Address review changes proposed in Version 4 Reorganize all patches number and file order Jorge Lopez (13): hp-bioscfg: Documentation hp-bioscfg: bioscfg-h hp-bioscfg: bioscfg hp-bioscfg: biosattr-interface hp-bioscfg: enum-attributes hp-bioscfg: int-attributes hp-bioscfg: order-list-attributes hp-bioscfg: passwdobj-attributes hp-bioscfg: spmobj-attributes hp-bioscfg: string-attributes hp-bioscfg: surestart-attributes hp-bioscfg: Makefile hp-bioscfg: MAINTAINERS .../testing/sysfs-class-firmware-attributes | 102 +- MAINTAINERS | 6 + drivers/platform/x86/hp/Kconfig | 16 + drivers/platform/x86/hp/Makefile | 1 + drivers/platform/x86/hp/hp-bioscfg/Makefile | 11 + .../x86/hp/hp-bioscfg/biosattr-interface.c | 317 ++++++ drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 988 ++++++++++++++++++ drivers/platform/x86/hp/hp-bioscfg/bioscfg.h | 486 +++++++++ .../x86/hp/hp-bioscfg/enum-attributes.c | 465 +++++++++ .../x86/hp/hp-bioscfg/int-attributes.c | 440 ++++++++ .../x86/hp/hp-bioscfg/order-list-attributes.c | 454 ++++++++ .../x86/hp/hp-bioscfg/passwdobj-attributes.c | 540 ++++++++++ .../x86/hp/hp-bioscfg/spmobj-attributes.c | 389 +++++++ .../x86/hp/hp-bioscfg/string-attributes.c | 404 +++++++ .../x86/hp/hp-bioscfg/surestart-attributes.c | 132 +++ 15 files changed, 4749 insertions(+), 2 deletions(-) create mode 100644 drivers/platform/x86/hp/hp-bioscfg/Makefile create mode 100644 drivers/platform/x86/hp/hp-bioscfg/biosattr-interface.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/bioscfg.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/bioscfg.h create mode 100644 drivers/platform/x86/hp/hp-bioscfg/enum-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/int-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/passwdobj-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/spmobj-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/string-attributes.c create mode 100644 drivers/platform/x86/hp/hp-bioscfg/surestart-attributes.c