Content of RPM gnu-efi-devel-3.0.8-4.el8.x86_64.rpm :
/usr/include/efi
/usr/include/efi/efi.h
/usr/include/efi/efi_nii.h
/usr/include/efi/efi_pxe.h
/usr/include/efi/efiapi.h
/usr/include/efi/eficompiler.h
/usr/include/efi/eficon.h
/usr/include/efi/efidebug.h
/usr/include/efi/efidef.h
/usr/include/efi/efidevp.h
/usr/include/efi/efierr.h
/usr/include/efi/efifs.h
/usr/include/efi/efigpt.h
/usr/include/efi/efiip.h
/usr/include/efi/efilib.h
/usr/include/efi/efilink.h
/usr/include/efi/efinet.h
/usr/include/efi/efipart.h
/usr/include/efi/efipciio.h
/usr/include/efi/efipoint.h
/usr/include/efi/efiprot.h
/usr/include/efi/efipxebc.h
/usr/include/efi/efirtlib.h
/usr/include/efi/efiser.h
/usr/include/efi/efisetjmp.h
/usr/include/efi/efishellintf.h
/usr/include/efi/efishellparm.h
/usr/include/efi/efistdarg.h
/usr/include/efi/efitcp.h
/usr/include/efi/efiudp.h
/usr/include/efi/efiui.h
/usr/include/efi/ia32
/usr/include/efi/ia32/efibind.h
/usr/include/efi/ia32/efilibplat.h
/usr/include/efi/ia32/efisetjmp_arch.h
/usr/include/efi/ia32/pe.h
/usr/include/efi/libsmbios.h
/usr/include/efi/pci22.h
/usr/include/efi/protocol
/usr/include/efi/protocol/adapterdebug.h
/usr/include/efi/protocol/eficonsplit.h
/usr/include/efi/protocol/efivar.h
/usr/include/efi/protocol/intload.h
/usr/include/efi/protocol/legacyboot.h
/usr/include/efi/protocol/piflash64.h
/usr/include/efi/protocol/vgaclass.h
/usr/include/efi/romload.h
/usr/include/efi/x86_64
/usr/include/efi/x86_64/efibind.h
/usr/include/efi/x86_64/efilibplat.h
/usr/include/efi/x86_64/efisetjmp_arch.h
/usr/include/efi/x86_64/pe.h
/usr/share/doc/gnu-efi-devel
/usr/share/doc/gnu-efi-devel/ChangeLog
/usr/share/doc/gnu-efi-devel/README.efilib
/usr/share/doc/gnu-efi-devel/README.elilo
/usr/share/doc/gnu-efi-devel/README.git
/usr/share/doc/gnu-efi-devel/README.gnuefi