1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Menu-driven UEFI Variable maintenance 4 * 5 * Copyright (c) 2022 Masahisa Kojima, Linaro Limited 6 */ 7 8#ifndef _EFI_CONFIG_H 9#define _EFI_CONFIG_H 10 11#include <efi_loader.h> 12#include <menu.h> 13 14#define EFICONFIG_ENTRY_NUM_MAX (INT_MAX - 1) 15#define EFICONFIG_VOLUME_PATH_MAX 512 16#define EFICONFIG_FILE_PATH_MAX 512 17#define EFICONFIG_FILE_PATH_BUF_SIZE (EFICONFIG_FILE_PATH_MAX * sizeof(u16)) 18 19extern const char *eficonfig_menu_desc; 20typedef efi_status_t (*eficonfig_entry_func)(void *data); 21 22/** 23 * struct eficonfig_entry - menu entry structure 24 * 25 * @num: menu entry index 26 * @title: title of entry 27 * @key: unique key 28 * @efi_menu: pointer to the menu structure 29 * @func: callback function to be called when this entry is selected 30 * @data: data to be passed to the callback function, caller must free() this pointer 31 * @list: list structure 32 */ 33struct eficonfig_entry { 34 u32 num; 35 char *title; 36 char key[3]; 37 struct efimenu *efi_menu; 38 eficonfig_entry_func func; 39 void *data; 40 struct list_head list; 41}; 42 43/** 44 * struct efimenu - efi menu structure 45 * 46 * @delay: delay for autoboot 47 * @active: active menu entry index 48 * @count: total count of menu entry 49 * @menu_header: menu header string 50 * @menu_desc: menu description string 51 * @list: menu entry list structure 52 * @start: top menu index to draw 53 * @end: bottom menu index to draw 54 */ 55struct efimenu { 56 int delay; 57 int active; 58 int count; 59 char *menu_header; 60 const char *menu_desc; 61 struct list_head list; 62 int start; 63 int end; 64}; 65 66/** 67 * struct eficonfig_item - structure to construct eficonfig_entry 68 * 69 * @title: title of entry 70 * @func: callback function to be called when this entry is selected 71 * @data: data to be passed to the callback function 72 */ 73struct eficonfig_item { 74 char *title; 75 eficonfig_entry_func func; 76 void *data; 77}; 78 79/** 80 * struct eficonfig_select_file_info - structure to be used for file selection 81 * 82 * @current_volume: pointer to the efi_simple_file_system_protocol 83 * @dp_volume: pointer to device path of the selected device 84 * @current_path: pointer to the selected file path string 85 * @filepath_list: list_head structure for file path list 86 * @file_selectred: flag indicates file selecting status 87 */ 88struct eficonfig_select_file_info { 89 struct efi_simple_file_system_protocol *current_volume; 90 struct efi_device_path *dp_volume; 91 u16 *current_path; 92 struct list_head filepath_list; 93 bool file_selected; 94}; 95 96void eficonfig_print_msg(char *msg); 97void eficonfig_print_entry(void *data); 98void eficonfig_display_statusline(struct menu *m); 99char *eficonfig_choice_entry(void *data); 100void eficonfig_destroy(struct efimenu *efi_menu); 101efi_status_t eficonfig_process_quit(void *data); 102efi_status_t eficonfig_process_common(struct efimenu *efi_menu, 103 char *menu_header, const char *menu_desc, 104 void (*display_statusline)(struct menu *), 105 void (*item_data_print)(void *), 106 char *(*item_choice)(void *)); 107efi_status_t eficonfig_process_select_file(void *data); 108efi_status_t eficonfig_append_menu_entry(struct efimenu *efi_menu, 109 char *title, eficonfig_entry_func func, 110 void *data); 111efi_status_t eficonfig_append_quit_entry(struct efimenu *efi_menu); 112struct efi_device_path *eficonfig_create_device_path(struct efi_device_path *dp_volume, 113 u16 *current_path); 114void *eficonfig_create_fixed_menu(const struct eficonfig_item *items, int count); 115#ifdef CONFIG_EFI_SECURE_BOOT 116efi_status_t eficonfig_process_secure_boot_config(void *data); 117#endif 118 119#endif 120