The GUID is used by the linux kernel but not sure if part of any formal spec https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/include/linux/efi.h?h=v5.14-rc1&id=ec93fc371f014a6fb483e3556061ecad4b40735c If we feel MdeModulePkg is a better place I am fine with that as well and can release a v2 version. Thanks, Jeff ________________________________ From: Kinney, Michael D Sent: Thursday, July 15, 2021 4:56 PM To: devel@edk2.groups.io ; Jeff Brasen ; Kinney, Michael D Cc: ardb+tianocore@kernel.org ; Justen, Jordan L ; gaoliming@byosoft.com.cn ; Liu, Zhiguang Subject: RE: [edk2-devel] [PATCH 1/1] MdePkg: add definition of LINUX_EFI_INITRD_MEDIA_GUID External email: Use caution opening links or attachments Is this GUID defined in an industry standard or public spec? If not, then MdeModulePkg may be a better choice if this is a GUID defines for EDK II extensions. Mike > -----Original Message----- > From: devel@edk2.groups.io On Behalf Of Jeff Brasen via groups.io > Sent: Thursday, July 15, 2021 11:08 AM > To: devel@edk2.groups.io > Cc: ardb+tianocore@kernel.org; Kinney, Michael D ; Justen, Jordan L > ; gaoliming@byosoft.com.cn; Liu, Zhiguang ; Jeff Brasen > > Subject: [edk2-devel] [PATCH 1/1] MdePkg: add definition of LINUX_EFI_INITRD_MEDIA_GUID > > Add LINUX_EFI_INITRD_MEDIA_GUID to our collection of GUID definitions, > it can be used in a media device path to specify a Linux style initrd > that can be loaded by the OS using the LoadFile2 protocol. > > Move these defines to MdePkg from OvmfPkg as these are relevant to > non-OVMF targets as well. > > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2564 > Signed-off-by: Jeff Brasen > --- > MdePkg/MdePkg.dec | 5 +++++ > OvmfPkg/OvmfPkg.dec | 1 - > {OvmfPkg => MdePkg}/Include/Guid/LinuxEfiInitrdMedia.h | 0 > 3 files changed, 5 insertions(+), 1 deletion(-) > rename {OvmfPkg => MdePkg}/Include/Guid/LinuxEfiInitrdMedia.h (100%) > > diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec > index c5319fdd71ca..a28a2daaffa8 100644 > --- a/MdePkg/MdePkg.dec > +++ b/MdePkg/MdePkg.dec > @@ -818,6 +818,11 @@ [Guids] > # > gTianoCustomDecompressGuid = { 0xA31280AD, 0x481E, 0x41B6, { 0x95, 0xE8, 0x12, 0x7F, 0x4C, 0x98, 0x47, 0x79 }} > > + # > + # GUID used to provide initrd to linux via LoadFile2 protocol > + # > + gLinuxEfiInitrdMediaGuid = {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}} > + > [Guids.IA32, Guids.X64] > ## Include/Guid/Cper.h > gEfiIa32X64ErrorTypeCacheCheckGuid = { 0xA55701F5, 0xE3EF, 0x43de, { 0xAC, 0x72, 0x24, 0x9B, 0x57, 0x3F, 0xAD, 0x2C }} > diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec > index 6ae733f6e39f..3153f5ae4540 100644 > --- a/OvmfPkg/OvmfPkg.dec > +++ b/OvmfPkg/OvmfPkg.dec > @@ -118,7 +118,6 @@ [Guids] > gMicrosoftVendorGuid = {0x77fa9abd, 0x0359, 0x4d32, {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b}} > gEfiLegacyBiosGuid = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}} > gEfiLegacyDevOrderVariableGuid = {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}} > - gLinuxEfiInitrdMediaGuid = {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}} > gQemuKernelLoaderFsMediaGuid = {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}} > gGrubFileGuid = {0xb5ae312c, 0xbc8a, 0x43b1, {0x9c, 0x62, 0xeb, 0xb8, 0x26, 0xdd, 0x5d, 0x07}} > gConfidentialComputingSecretGuid = {0xadf956ad, 0xe98c, 0x484c, {0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47}} > diff --git a/OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h b/MdePkg/Include/Guid/LinuxEfiInitrdMedia.h > similarity index 100% > rename from OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h > rename to MdePkg/Include/Guid/LinuxEfiInitrdMedia.h > -- > 2.25.1 > > > > >