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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Menu-driven UEFI Variable maintenance
- *
- * Copyright (c) 2022 Masahisa Kojima, Linaro Limited
- */
- #ifndef _EFI_CONFIG_H
- #define _EFI_CONFIG_H
- #include <efi_loader.h>
- #include <menu.h>
- #define EFICONFIG_ENTRY_NUM_MAX (INT_MAX - 1)
- #define EFICONFIG_VOLUME_PATH_MAX 512
- #define EFICONFIG_FILE_PATH_MAX 512
- #define EFICONFIG_FILE_PATH_BUF_SIZE (EFICONFIG_FILE_PATH_MAX * sizeof(u16))
- extern const char *eficonfig_menu_desc;
- typedef efi_status_t (*eficonfig_entry_func)(void *data);
- /**
- * struct eficonfig_entry - menu entry structure
- *
- * @num: menu entry index
- * @title: title of entry
- * @key: unique key
- * @efi_menu: pointer to the menu structure
- * @func: callback function to be called when this entry is selected
- * @data: data to be passed to the callback function, caller must free() this pointer
- * @list: list structure
- */
- struct eficonfig_entry {
- u32 num;
- char *title;
- char key[3];
- struct efimenu *efi_menu;
- eficonfig_entry_func func;
- void *data;
- struct list_head list;
- };
- /**
- * struct efimenu - efi menu structure
- *
- * @delay: delay for autoboot
- * @active: active menu entry index
- * @count: total count of menu entry
- * @menu_header: menu header string
- * @menu_desc: menu description string
- * @list: menu entry list structure
- * @start: top menu index to draw
- * @end: bottom menu index to draw
- */
- struct efimenu {
- int delay;
- int active;
- int count;
- char *menu_header;
- const char *menu_desc;
- struct list_head list;
- int start;
- int end;
- };
- /**
- * struct eficonfig_item - structure to construct eficonfig_entry
- *
- * @title: title of entry
- * @func: callback function to be called when this entry is selected
- * @data: data to be passed to the callback function
- */
- struct eficonfig_item {
- char *title;
- eficonfig_entry_func func;
- void *data;
- };
- /**
- * struct eficonfig_select_file_info - structure to be used for file selection
- *
- * @current_volume: pointer to the efi_simple_file_system_protocol
- * @dp_volume: pointer to device path of the selected device
- * @current_path: pointer to the selected file path string
- * @filepath_list: list_head structure for file path list
- * @file_selectred: flag indicates file selecting status
- */
- struct eficonfig_select_file_info {
- struct efi_simple_file_system_protocol *current_volume;
- struct efi_device_path *dp_volume;
- u16 *current_path;
- struct list_head filepath_list;
- bool file_selected;
- };
- void eficonfig_print_msg(char *msg);
- void eficonfig_print_entry(void *data);
- void eficonfig_display_statusline(struct menu *m);
- char *eficonfig_choice_entry(void *data);
- void eficonfig_destroy(struct efimenu *efi_menu);
- efi_status_t eficonfig_process_quit(void *data);
- efi_status_t eficonfig_process_common(struct efimenu *efi_menu,
- char *menu_header, const char *menu_desc,
- void (*display_statusline)(struct menu *),
- void (*item_data_print)(void *),
- char *(*item_choice)(void *));
- efi_status_t eficonfig_process_select_file(void *data);
- efi_status_t eficonfig_append_menu_entry(struct efimenu *efi_menu,
- char *title, eficonfig_entry_func func,
- void *data);
- efi_status_t eficonfig_append_quit_entry(struct efimenu *efi_menu);
- struct efi_device_path *eficonfig_create_device_path(struct efi_device_path *dp_volume,
- u16 *current_path);
- void *eficonfig_create_fixed_menu(const struct eficonfig_item *items, int count);
- #ifdef CONFIG_EFI_SECURE_BOOT
- efi_status_t eficonfig_process_secure_boot_config(void *data);
- #endif
- #endif
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