It could be reused by platform SystemFirmwareDescriptor, for example. Vlv2TbltDevicePkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf QuarkPlatformPkg/Feature/Capsule/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
So, I agree this patch, Reviewed-by: Star Zeng <[email protected]>. Please also get Jiewen's RB for the patch. Thanks, Star -----Original Message----- From: edk2-devel [mailto:[email protected]] On Behalf Of Ard Biesheuvel Sent: Thursday, May 31, 2018 5:02 PM To: [email protected] Cc: Yao, Jiewen <[email protected]>; Zeng, Star <[email protected]>; [email protected]; Ard Biesheuvel <[email protected]> Subject: [edk2] [PATCH] SignedCapsulePkg: add PcdLowestSupportedFirmwareVersion Add a PCD that holds the lowest supported version number, so that we can allow the platform to configure this at build time. Cc: Jiewen Yao <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <[email protected]> --- As discussed a while ago: https://lists.01.org/pipermail/edk2-devel/2018-March/022914.html SignedCapsulePkg/SignedCapsulePkg.dec | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/SignedCapsulePkg/SignedCapsulePkg.dec b/SignedCapsulePkg/SignedCapsulePkg.dec index b27e87409b19..f06e07656de9 100644 --- a/SignedCapsulePkg/SignedCapsulePkg.dec +++ b/SignedCapsulePkg/SignedCapsulePkg.dec @@ -52,6 +52,10 @@ [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx] # @Prompt GUID of the FFS which contains the Pkcs7TestPublicKeyFile. gEfiSignedCapsulePkgTokenSpaceGuid.PcdEdkiiPkcs7TestPublicKeyFileGuid|{0xba, 0xf5, 0x93, 0xf0, 0x37, 0x6f, 0x16, 0x48, 0x9e, 0x52, 0x91, 0xbe, 0xa0, 0xf7, 0xe0, 0xb8}|VOID*|0xA0010002 + ## This is the lowest supported version number that can be upgraded to, as exposed via the System Firmware descriptor. + # @Prompt Lowest support version number that can be upgraded to via + capsule update + + gEfiSignedCapsulePkgTokenSpaceGuid.PcdLowestSupportedFirmwareVersion|0 + x1|UINT32|0xA0010003 + [PcdsDynamicEx] ## This dynamic PCD holds the EDKII system firmware image descriptor. # This information can be used for version check in EDKII system FMP capsule. -- 2.17.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

