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[efi] Define an interface operation to describe using an EFI device path
Allow arbitrary objects to support describing themselves using an EFI device path. Signed-off-by: Michael Brown <mcb30@ipxe.org>
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@@ -9,6 +9,7 @@
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <ipxe/interface.h>
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#include <ipxe/efi/efi.h>
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#include <ipxe/efi/Protocol/DevicePath.h>
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@@ -16,4 +17,8 @@ extern EFI_DEVICE_PATH_PROTOCOL *
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efi_path_end ( EFI_DEVICE_PATH_PROTOCOL *path );
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extern size_t efi_path_len ( EFI_DEVICE_PATH_PROTOCOL *path );
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extern EFI_DEVICE_PATH_PROTOCOL * efi_describe ( struct interface *interface );
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#define efi_describe_TYPE( object_type ) \
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typeof ( EFI_DEVICE_PATH_PROTOCOL * ( object_type ) )
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#endif /* _IPXE_EFI_PATH_H */
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