The load file 2 protocol can be used by the Linux kernel to load the initial RAM disk. U-Boot can be configured to provide an implementation.

Add a description to the UEFI overview and document the related functions in the API section.

Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- doc/api/efi.rst | 9 +++++++++ doc/uefi/uefi.rst | 12 ++++++++++++ 2 files changed, 21 insertions(+)

diff --git a/doc/api/efi.rst b/doc/api/efi.rst index bc59382608..631c0ceb1d 100644 --- a/doc/api/efi.rst +++ b/doc/api/efi.rst @@ -125,6 +125,15 @@ Graphical output protocol .. kernel-doc:: lib/efi_loader/efi_gop.c :internal:

+Load file 2 protocol +~~~~~~~~~~~~~~~~~~~~ + +The load file 2 protocol can be used by the Linux kernel to load the initial +RAM disk. U-Boot can be configured to provide an implementation. + +.. kernel-doc:: lib/efi_loader/efi_load_initrd.c + :internal: + Network protocols ~~~~~~~~~~~~~~~~~

diff --git a/doc/uefi/uefi.rst b/doc/uefi/uefi.rst index a8fd886d6b..cfe2d84a4c 100644 --- a/doc/uefi/uefi.rst +++ b/doc/uefi/uefi.rst @@ -356,6 +356,18 @@ This driver is only available if U-Boot is configured with:: CONFIG_BLK=y CONFIG_PARTITIONS=y

+Miscellaneous +------------- + +Load file 2 protocol +~~~~~~~~~~~~~~~~~~~~ + +The load file 2 protocol can be used by the Linux kernel to load the initial +RAM disk. U-Boot can be configured to provide an implementation with:: + + EFI_LOAD_FILE2_INITRD=y + EFI_INITRD_FILESPEC=interface dev:part path_to_initrd + Links -----

-- 2.25.0