--- /dev/null
+#ifndef _IPXE_EFI_HII_H
+#define _IPXE_EFI_HII_H
+
+/** @file
+ *
+ * EFI human interface infrastructure
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <ipxe/efi/Uefi/UefiInternalFormRepresentation.h>
+#include <ipxe/efi/Guid/MdeModuleHii.h>
+
+/** GUID indicating formset compliance for IBM Unified Configuration Manager */
+#define EFI_HII_IBM_UCM_COMPLIANT_FORMSET_GUID \
+ { 0x5c8e9746, 0xa5f7, 0x4593, \
+ { 0xaf, 0x1f, 0x66, 0xa8, 0x2a, 0xa1, 0x9c, 0xb1 } }
+
+/** An EFI IFR builder */
+struct efi_ifr_builder {
+ /** IFR opcodes */
+ EFI_IFR_OP_HEADER *ops;
+ /** Length of IFR opcodes */
+ size_t ops_len;
+ /** Strings */
+ EFI_HII_STRING_BLOCK *strings;
+ /** Length of strings */
+ size_t strings_len;
+ /** Current string identifier */
+ unsigned int string_id;
+ /** Current variable store identifier */
+ unsigned int varstore_id;
+ /** Current form identifier */
+ unsigned int form_id;
+ /** An allocation has failed */
+ int failed;
+};
+
+/**
+ * Initialise IFR builder
+ *
+ * @v ifr IFR builder
+ *
+ * The caller must eventually call efi_ifr_free() to free the dynamic
+ * storage associated with the IFR builder.
+ */
+static inline void efi_ifr_init ( struct efi_ifr_builder *ifr ) {
+ memset ( ifr, 0, sizeof ( *ifr ) );
+}
+
+extern unsigned int efi_ifr_string ( struct efi_ifr_builder *ifr,
+ const char *fmt, ... );
+extern void efi_ifr_end_op ( struct efi_ifr_builder *ifr );
+extern void efi_ifr_false_op ( struct efi_ifr_builder *ifr );
+extern unsigned int efi_ifr_form_op ( struct efi_ifr_builder *ifr,
+ unsigned int title_id );
+extern void efi_ifr_form_set_op ( struct efi_ifr_builder *ifr,
+ const EFI_GUID *guid,
+ unsigned int title_id, unsigned int help_id,
+ ... );
+void efi_ifr_get_op ( struct efi_ifr_builder *ifr, unsigned int varstore_id,
+ unsigned int varstore_info, unsigned int varstore_type );
+extern void efi_ifr_guid_class_op ( struct efi_ifr_builder *ifr,
+ unsigned int class );
+extern void efi_ifr_guid_subclass_op ( struct efi_ifr_builder *ifr,
+ unsigned int subclass );
+extern void efi_ifr_numeric_op ( struct efi_ifr_builder *ifr,
+ unsigned int prompt_id,
+ unsigned int help_id, unsigned int question_id,
+ unsigned int varstore_id,
+ unsigned int varstore_info,
+ unsigned int vflags, unsigned long min_value,
+ unsigned long max_value, unsigned int step,
+ unsigned int flags );
+extern void efi_ifr_string_op ( struct efi_ifr_builder *ifr,
+ unsigned int prompt_id, unsigned int help_id,
+ unsigned int question_id,
+ unsigned int varstore_id,
+ unsigned int varstore_info, unsigned int vflags,
+ unsigned int min_size, unsigned int max_size,
+ unsigned int flags );
+extern void efi_ifr_suppress_if_op ( struct efi_ifr_builder *ifr );
+extern void efi_ifr_text_op ( struct efi_ifr_builder *ifr,
+ unsigned int prompt_id, unsigned int help_id,
+ unsigned int text_id );
+extern void efi_ifr_true_op ( struct efi_ifr_builder *ifr );
+extern unsigned int
+efi_ifr_varstore_name_value_op ( struct efi_ifr_builder *ifr,
+ const EFI_GUID *guid );
+extern void efi_ifr_free ( struct efi_ifr_builder *ifr );
+extern EFI_HII_PACKAGE_LIST_HEADER *
+efi_ifr_package ( struct efi_ifr_builder *ifr, const EFI_GUID *guid,
+ const char *language, unsigned int language_id );
+
+#endif /* _IPXE_EFI_HII_H */