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boundary="_000_BYAPR12MB33351437CCCCD44059D98545CBF09BYAPR12MB3335namp_" --_000_BYAPR12MB33351437CCCCD44059D98545CBF09BYAPR12MB3335namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Mike, do the comments in this patch work for you? Would be nice to get this= in prior to the 8/9 freeze if possible. Thanks, Jeff ________________________________ From: Ard Biesheuvel Sent: Tuesday, July 27, 2021 10:48 AM To: Jeff Brasen Cc: edk2-devel-groups-io ; Ard Biesheuvel ; Michael Kinney ; Jordan Juste= n ; Liming Gao (Byosoft address) ; Zhiguang Liu Subject: Re: [PATCH v2 1/1] MdePkg: add definition of LINUX_EFI_INITRD_MEDI= A_GUID External email: Use caution opening links or attachments On Tue, 27 Jul 2021 at 18:45, Jeff Brasen wrote: > > 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=3D2564 > Signed-off-by: Jeff Brasen Acked-by: Ard Biesheuvel > --- > MdePkg/MdePkg.dec | 5 ++++ > OvmfPkg/OvmfPkg.dec | 1 - > MdePkg/Include/Guid/LinuxEfiInitrdMedia.h | 31 ++++++++++++++++++++++ > OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h | 17 ------------ > 4 files changed, 36 insertions(+), 18 deletions(-) > create mode 100644 MdePkg/Include/Guid/LinuxEfiInitrdMedia.h > delete mode 100644 OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h > > 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 =3D { 0xA31280AD, 0x481E, 0x41B6, { 0x9= 5, 0xE8, 0x12, 0x7F, 0x4C, 0x98, 0x47, 0x79 }} > > + # > + # GUID used to provide initrd to linux via LoadFile2 protocol > + # > + gLinuxEfiInitrdMediaGuid =3D {0x5568e427, 0x68fc, 0x4f3d, {0xac,= 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}} > + > [Guids.IA32, Guids.X64] > ## Include/Guid/Cper.h > gEfiIa32X64ErrorTypeCacheCheckGuid =3D { 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 =3D {0x77fa9abd, 0x0359, 0x4d32,= {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b}} > gEfiLegacyBiosGuid =3D {0x2E3044AC, 0x879F, 0x490F,= {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}} > gEfiLegacyDevOrderVariableGuid =3D {0xa56074db, 0x65fe, 0x45f7,= {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}} > - gLinuxEfiInitrdMediaGuid =3D {0x5568e427, 0x68fc, 0x4f3d,= {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}} > gQemuKernelLoaderFsMediaGuid =3D {0x1428f772, 0xb64a, 0x441e,= {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}} > gGrubFileGuid =3D {0xb5ae312c, 0xbc8a, 0x43b1,= {0x9c, 0x62, 0xeb, 0xb8, 0x26, 0xdd, 0x5d, 0x07}} > gConfidentialComputingSecretGuid =3D {0xadf956ad, 0xe98c, 0x484c,= {0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47}} > diff --git a/MdePkg/Include/Guid/LinuxEfiInitrdMedia.h b/MdePkg/Include/G= uid/LinuxEfiInitrdMedia.h > new file mode 100644 > index 000000000000..0e7db8bd8140 > --- /dev/null > +++ b/MdePkg/Include/Guid/LinuxEfiInitrdMedia.h > @@ -0,0 +1,31 @@ > +/** @file > + GUID definition for the Linux Initrd media device path > + > + Linux distro boot generally relies on an initial ramdisk (initrd) > + which is provided by the loader, and which contains additional kernel > + modules (for storage and network, for instance), and the initial user > + space startup code, i.e., the code which brings up the user space side > + of the entire OS. > + > + In order to provide a standard method to locate this file, > + the GUID defined in this file is used to describe the device path > + for a LoadFile2 Protocol instance that is responsible for loading the = initrd file. > + > + The kernel EFI Stub will locate and use this instance to load the init= rd, > + therefore the firmware/loader should install an instance of this to lo= ad the > + relevant initrd. > + > + Copyright (c) 2020, Arm, Ltd. All rights reserved.
> + > + SPDX-License-Identifier: BSD-2-Clause-Patent > +**/ > + > +#ifndef LINUX_EFI_INITRD_MEDIA_GUID_H__ > +#define LINUX_EFI_INITRD_MEDIA_GUID_H__ > + > +#define LINUX_EFI_INITRD_MEDIA_GUID \ > + {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc= , 0x68}} > + > +extern EFI_GUID gLinuxEfiInitrdMediaGuid; > + > +#endif > diff --git a/OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h b/OvmfPkg/Include= /Guid/LinuxEfiInitrdMedia.h > deleted file mode 100644 > index 83fc3fc79aa6..000000000000 > --- a/OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h > +++ /dev/null > @@ -1,17 +0,0 @@ > -/** @file > - GUID definition for the Linux Initrd media device path > - > - Copyright (c) 2020, Arm, Ltd. All rights reserved.
> - > - SPDX-License-Identifier: BSD-2-Clause-Patent > -**/ > - > -#ifndef LINUX_EFI_INITRD_MEDIA_GUID_H__ > -#define LINUX_EFI_INITRD_MEDIA_GUID_H__ > - > -#define LINUX_EFI_INITRD_MEDIA_GUID \ > - {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc= , 0x68}} > - > -extern EFI_GUID gLinuxEfiInitrdMediaGuid; > - > -#endif > -- > 2.25.1 > --_000_BYAPR12MB33351437CCCCD44059D98545CBF09BYAPR12MB3335namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Mike, do the comments in this patch work for you? Would be nice to get this= in prior to the 8/9 freeze if possible.

Thanks,

Jeff

From: Ard Biesheuvel <ar= db@kernel.org>
Sent: Tuesday, July 27, 2021 10:48 AM
To: Jeff Brasen <jbrasen@nvidia.com>
Cc: edk2-devel-groups-io <devel@edk2.groups.io>; Ard Biesheuve= l <ardb+tianocore@kernel.org>; Michael Kinney <michael.d.kinney@in= tel.com>; Jordan Justen <jordan.l.justen@intel.com>; Liming Gao (B= yosoft address) <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>
Subject: Re: [PATCH v2 1/1] MdePkg: add definition of LINUX_EFI_INIT= RD_MEDIA_GUID
 
External email: Use caution opening links or attac= hments


On Tue, 27 Jul 2021 at 18:45, Jeff Brasen <jbrasen@nvidia.com> wrote:=
>
> 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<= br> > 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=3D2564
> Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>

Acked-by: Ard Biesheuvel <ardb@kernel.org>

> ---
>  MdePkg/MdePkg.dec        = ;            &n= bsp;     |  5 ++++
>  OvmfPkg/OvmfPkg.dec       &nb= sp;            =     |  1 -
>  MdePkg/Include/Guid/LinuxEfiInitrdMedia.h  | 31 +++++++++++= +++++++++++
>  OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h | 17 ------------
>  4 files changed, 36 insertions(+), 18 deletions(-)
>  create mode 100644 MdePkg/Include/Guid/LinuxEfiInitrdMedia.h
>  delete mode 100644 OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h >
> 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     = =3D { 0xA31280AD, 0x481E, 0x41B6, { 0x95, 0xE8, 0x12, 0x7F, 0x4C, 0x98, 0x4= 7, 0x79 }}
>
> +  #
> +  # GUID used to provide initrd to linux via LoadFile2 protocol<= br> > +  #
> +  gLinuxEfiInitrdMediaGuid       = =3D {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc,= 0x68}}
> +
>  [Guids.IA32, Guids.X64]
>    ## Include/Guid/Cper.h
>    gEfiIa32X64ErrorTypeCacheCheckGuid =3D { 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     &n= bsp;            =3D = {0x77fa9abd, 0x0359, 0x4d32, {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4= b}}
>    gEfiLegacyBiosGuid     &nbs= p;            &= nbsp; =3D {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69,= 0x5F, 0x50}}
>    gEfiLegacyDevOrderVariableGuid   &nbs= p;    =3D {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x= 2b, 0xdd, 0x8e, 0x96, 0x52}}
> -  gLinuxEfiInitrdMediaGuid      &n= bsp;       =3D {0x5568e427, 0x68fc, 0x4f3d, {= 0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}}
>    gQemuKernelLoaderFsMediaGuid    =       =3D {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3= , 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
>    gGrubFileGuid      &nb= sp;            =       =3D {0xb5ae312c, 0xbc8a, 0x43b1, {0x9c, 0x62= , 0xeb, 0xb8, 0x26, 0xdd, 0x5d, 0x07}}
>    gConfidentialComputingSecretGuid   &n= bsp;  =3D {0xadf956ad, 0xe98c, 0x484c, {0xae, 0x11, 0xb5, 0x1c, 0x7d, = 0x33, 0x64, 0x47}}
> diff --git a/MdePkg/Include/Guid/LinuxEfiInitrdMedia.h b/MdePkg/Includ= e/Guid/LinuxEfiInitrdMedia.h
> new file mode 100644
> index 000000000000..0e7db8bd8140
> --- /dev/null
> +++ b/MdePkg/Include/Guid/LinuxEfiInitrdMedia.h
> @@ -0,0 +1,31 @@
> +/** @file
> +  GUID definition for the Linux Initrd media device path
> +
> +  Linux distro boot generally relies on an initial ramdisk (init= rd)
> +  which is provided by the loader, and which contains additional= kernel
> +  modules (for storage and network, for instance), and the initi= al user
> +  space startup code, i.e., the code which brings up the user sp= ace side
> +  of the entire OS.
> +
> +  In order to provide a standard method to locate this file,
> +  the GUID defined in this file is used to describe the device p= ath
> +  for a LoadFile2 Protocol instance that is responsible for load= ing the initrd file.
> +
> +  The kernel EFI Stub will locate and use this instance to load = the initrd,
> +  therefore the firmware/loader should install an instance of th= is to load the
> +  relevant initrd.
> +
> +  Copyright (c) 2020, Arm, Ltd. All rights reserved.<BR> > +
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +**/
> +
> +#ifndef LINUX_EFI_INITRD_MEDIA_GUID_H__
> +#define LINUX_EFI_INITRD_MEDIA_GUID_H__
> +
> +#define LINUX_EFI_INITRD_MEDIA_GUID \
> +  {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x= 31, 0xcc, 0x68}}
> +
> +extern EFI_GUID gLinuxEfiInitrdMediaGuid;
> +
> +#endif
> diff --git a/OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h b/OvmfPkg/Incl= ude/Guid/LinuxEfiInitrdMedia.h
> deleted file mode 100644
> index 83fc3fc79aa6..000000000000
> --- a/OvmfPkg/Include/Guid/LinuxEfiInitrdMedia.h
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -/** @file
> -  GUID definition for the Linux Initrd media device path
> -
> -  Copyright (c) 2020, Arm, Ltd. All rights reserved.<BR> > -
> -  SPDX-License-Identifier: BSD-2-Clause-Patent
> -**/
> -
> -#ifndef LINUX_EFI_INITRD_MEDIA_GUID_H__
> -#define LINUX_EFI_INITRD_MEDIA_GUID_H__
> -
> -#define LINUX_EFI_INITRD_MEDIA_GUID \
> -  {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x= 31, 0xcc, 0x68}}
> -
> -extern EFI_GUID gLinuxEfiInitrdMediaGuid;
> -
> -#endif
> --
> 2.25.1
>
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