FYI: I filed https://bugzilla.tianocore.org/show_bug.cgi?id=4497 to track the gEdkiiMemoryAcceptProtocolGuid issue.
Thank you Yao, Jiewen > -----Original Message----- > From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Yao, Jiewen > Sent: Friday, July 7, 2023 8:57 PM > To: Pierre Gondois <pierre.gond...@arm.com>; devel@edk2.groups.io > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; Wang, > Jian J <jian.j.w...@intel.com>; Ard Biesheuvel <ardb+tianoc...@kernel.org>; > Sami Mujawar <sami.muja...@arm.com>; Jose Marinho > <jose.mari...@arm.com>; Kun Qin <kuqi...@gmail.com> > Subject: Re: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to describe > Rng algorithms > > I don’t think MdePkg should have Edkii- style protocol. > > I am not sure why gEdkiiMemoryAcceptProtocolGuid is in MdePkg. > It should be in MdeModulePkg, IMHO. > > Thank you > Yao, Jiewen > > > -----Original Message----- > > From: Pierre Gondois <pierre.gond...@arm.com> > > Sent: Friday, July 7, 2023 8:49 PM > > To: devel@edk2.groups.io; Yao, Jiewen <jiewen....@intel.com> > > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > > <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; Wang, > > Jian J <jian.j.w...@intel.com>; Ard Biesheuvel <ardb+tianoc...@kernel.org>; > > Sami Mujawar <sami.muja...@arm.com>; Jose Marinho > > <jose.mari...@arm.com>; Kun Qin <kuqi...@gmail.com> > > Subject: Re: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to describe > > Rng algorithms > > > > Hello Jiewen, > > > > The gEfiRngAlgorithmArmRndr GUID is to be added to the UEFI spec with: > > - https://bugzilla.tianocore.org/show_bug.cgi?id=4441 > > - https://mantis.uefi.org/mantis/view.php?id=2386 > > > > the gEdkiiMemoryAcceptProtocolGuid GUID should not be in the UEFI spec, > > so I used the 'gEdkii' prefix as already used in MdePkg.dec for: > > - gEdkiiMemoryAcceptProtocolGuid > > > > Regards, > > Pierre > > > > On 7/7/23 11:14, Yao, Jiewen via groups.io wrote: > > > MdePkg can only add UEFI defined API. > > > > > > Is below defined by UEFI? > > > > > > Thank you > > > Yao, Jiewen > > > > > > > > > > > >> -----Original Message----- > > >> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of > > >> PierreGondois > > >> Sent: Thursday, July 6, 2023 4:52 PM > > >> To: devel@edk2.groups.io > > >> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > > >> <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > Yao, > > >> Jiewen <jiewen....@intel.com>; Wang, Jian J <jian.j.w...@intel.com>; > Ard > > >> Biesheuvel <ardb+tianoc...@kernel.org>; Sami Mujawar > > >> <sami.muja...@arm.com>; Jose Marinho <jose.mari...@arm.com>; Kun > > Qin > > >> <kuqi...@gmail.com> > > >> Subject: [edk2-devel] [PATCH v3 3/6] MdePkg/Rng: Add GUIDs to describe > > Rng > > >> algorithms > > >> > > >> From: Pierre Gondois <pierre.gond...@arm.com> > > >> > > >> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4441 > > >> > > >> The EFI_RNG_PROTOCOL can rely on the RngLib. The RngLib has multiple > > >> implementations, some of them are unsafe (e.g. BaseRngLibTimerLib). > > >> To allow the RngDxe to detect when such implementation is used, > > >> a GetRngGuid() function is added in a following patch. > > >> > > >> Prepare GetRngGuid() return values and add GUIDs describing > > >> Rng algorithms: > > >> - gEfiRngAlgorithmArmRndr > > >> to describe a Rng algorithm accessed through Arm's RNDR instruction. > > >> [1] states that the implementation of this algorithm should be > > >> compliant to NIST SP900-80. The compliance is not guaranteed. > > >> - gEdkiiRngAlgorithmUnSafe > > >> to describe an unsafe implementation, cf. the BaseRngLibTimerLib. > > >> > > >> [1] Arm Architecture Reference Manual Armv8, for A-profile architecture > > >> sK12.1 'Properties of the generated random number' > > >> > > >> Signed-off-by: Pierre Gondois <pierre.gond...@arm.com> > > >> Reviewed-by: Sami Mujawar <sami.muja...@arm.com> > > >> --- > > >> MdePkg/Include/Protocol/Rng.h | 20 ++++++++++++++++++++ > > >> MdePkg/MdePkg.dec | 2 ++ > > >> 2 files changed, 22 insertions(+) > > >> > > >> diff --git a/MdePkg/Include/Protocol/Rng.h > > b/MdePkg/Include/Protocol/Rng.h > > >> index baf425587b3c..ceae77ba9c73 100644 > > >> --- a/MdePkg/Include/Protocol/Rng.h > > >> +++ b/MdePkg/Include/Protocol/Rng.h > > >> @@ -67,6 +67,24 @@ typedef EFI_GUID EFI_RNG_ALGORITHM; > > >> { \ > > >> 0xe43176d7, 0xb6e8, 0x4827, {0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, > > >> 0x85, > > 0x61 } > > >> \ > > >> } > > >> +/// > > >> +/// The Arm Architecture states the RNDR that the DRBG algorithm should > > be > > >> compliant > > >> +/// with NIST SP800-90A, while not mandating a particular algorithm, so > > >> as > > to > > >> be > > >> +/// inclusive of different geographies. > > >> +/// > > >> +#define EFI_RNG_ALGORITHM_ARM_RNDR \ > > >> + { \ > > >> + 0x43d2fde3, 0x9d4e, 0x4d79, {0x02, 0x96, 0xa8, 0x9b, 0xca, 0x78, > > >> 0x08, > > >> 0x41} \ > > >> + } > > >> +/// > > >> +/// The implementation of a Random Number Generator might be unsafe, > > >> when using > > >> +/// a dummy implementation for instance. Allow identifying such > > >> implementation > > >> +/// with this GUID. > > >> +/// > > >> +#define EDKII_RNG_ALGORITHM_UNSAFE \ > > >> + { \ > > >> + 0x869f728c, 0x409d, 0x4ab4, {0xac, 0x03, 0x71, 0xd3, 0x09, 0xc1, > > >> 0xb3, > > >> 0xf4 } \ > > >> + } > > >> > > >> /** > > >> Returns information about the random number generation > implementation. > > >> @@ -146,5 +164,7 @@ extern EFI_GUID > > gEfiRngAlgorithmSp80090Ctr256Guid; > > >> extern EFI_GUID gEfiRngAlgorithmX9313DesGuid; > > >> extern EFI_GUID gEfiRngAlgorithmX931AesGuid; > > >> extern EFI_GUID gEfiRngAlgorithmRaw; > > >> +extern EFI_GUID gEfiRngAlgorithmArmRndr; > > >> +extern EFI_GUID gEdkiiRngAlgorithmUnSafe; > > >> > > >> #endif > > >> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec > > >> index 5b8477f4cb8f..2c8f985f253e 100644 > > >> --- a/MdePkg/MdePkg.dec > > >> +++ b/MdePkg/MdePkg.dec > > >> @@ -643,6 +643,8 @@ [Guids] > > >> gEfiRngAlgorithmX9313DesGuid = { 0x63c4785a, 0xca34, 0x4012, > {0xa3, > > >> 0xc8, 0x0b, 0x6a, 0x32, 0x4f, 0x55, 0x46 }} > > >> gEfiRngAlgorithmX931AesGuid = { 0xacd03321, 0x777e, 0x4d3d, > {0xb1, > > >> 0xc8, 0x20, 0xcf, 0xd8, 0x88, 0x20, 0xc9 }} > > >> gEfiRngAlgorithmRaw = { 0xe43176d7, 0xb6e8, 0x4827, > > >> {0xb7, > > 0x84, > > >> 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61 }} > > >> + gEfiRngAlgorithmArmRndr = { 0x43d2fde3, 0x9d4e, 0x4d79, > > >> {0x02, > > 0x96, > > >> 0xa8, 0x9b, 0xca, 0x78, 0x08, 0x41 }} > > >> + gEdkiiRngAlgorithmUnSafe = { 0x869f728c, 0x409d, 0x4ab4, > > >> {0xac, > > 0x03, > > >> 0x71, 0xd3, 0x09, 0xc1, 0xb3, 0xf4 }} > > >> > > >> ## Include/Protocol/AdapterInformation.h > > >> gEfiAdapterInfoMediaStateGuid = { 0xD7C74207, 0xA831, 0x4A26, > > {0xB1, > > >> 0xF5, 0xD1, 0x93, 0x06, 0x5C, 0xE8, 0xB6 }} > > >> -- > > >> 2.25.1 > > >> > > >> > > >> > > >> -=-=-=-=-=-= > > >> Groups.io Links: You receive all messages sent to this group. > > >> View/Reply Online (#106688): > > https://edk2.groups.io/g/devel/message/106688 > > >> Mute This Topic: https://groups.io/mt/99981855/1772286 > > >> Group Owner: devel+ow...@edk2.groups.io > > >> Unsubscribe: https://edk2.groups.io/g/devel/unsub [jiewen....@intel.com] > > >> -=-=-=-=-=-= > > >> > > > > > > > > > > > > > > > > > > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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