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 19 extern const char *eficonfig_menu_desc; 20 typedef 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 */ 33 struct 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 */ 55 struct 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 */ 73 struct 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 * @uri: URI for HTTP Boot 86 * @filepath_list: list_head structure for file path list 87 * @file_selectred: flag indicates file selecting status 88 */ 89 struct eficonfig_select_file_info { 90 struct efi_simple_file_system_protocol *current_volume; 91 struct efi_device_path *dp_volume; 92 u16 *current_path; 93 u16 *uri; 94 struct list_head filepath_list; 95 bool file_selected; 96 }; 97 98 void eficonfig_print_msg(char *msg); 99 void eficonfig_print_entry(void *data); 100 void eficonfig_display_statusline(struct menu *m); 101 char *eficonfig_choice_entry(void *data); 102 void eficonfig_destroy(struct efimenu *efi_menu); 103 efi_status_t eficonfig_process_quit(void *data); 104 efi_status_t eficonfig_process_common(struct efimenu *efi_menu, 105 char *menu_header, const char *menu_desc, 106 void (*display_statusline)(struct menu *), 107 void (*item_data_print)(void *), 108 char *(*item_choice)(void *)); 109 efi_status_t eficonfig_process_select_file(void *data); 110 efi_status_t eficonfig_append_menu_entry(struct efimenu *efi_menu, 111 char *title, eficonfig_entry_func func, 112 void *data); 113 efi_status_t eficonfig_append_quit_entry(struct efimenu *efi_menu); 114 struct efi_device_path *eficonfig_create_device_path(struct efi_device_path *dp_volume, 115 u16 *current_path); 116 void *eficonfig_create_fixed_menu(const struct eficonfig_item *items, int count); 117 #ifdef CONFIG_EFI_SECURE_BOOT 118 efi_status_t eficonfig_process_secure_boot_config(void *data); 119 #endif 120 121 #endif 122