1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Menu-driven UEFI Variable maintenance
5 * Copyright (c) 2022 Masahisa Kojima, Linaro Limited
11 #include <efi_loader.h>
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))
19 extern const char *eficonfig_menu_desc;
20 typedef efi_status_t (*eficonfig_entry_func)(void *data);
23 * struct eficonfig_entry - menu entry structure
25 * @num: menu entry index
26 * @title: title of entry
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
33 struct eficonfig_entry {
37 struct efimenu *efi_menu;
38 eficonfig_entry_func func;
40 struct list_head list;
44 * struct efimenu - efi menu structure
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
60 const char *menu_desc;
61 struct list_head list;
67 * struct eficonfig_item - structure to construct eficonfig_entry
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
73 struct eficonfig_item {
75 eficonfig_entry_func func;
80 * struct eficonfig_select_file_info - structure to be used for file selection
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
88 struct eficonfig_select_file_info {
89 struct efi_simple_file_system_protocol *current_volume;
90 struct efi_device_path *dp_volume;
92 struct list_head filepath_list;
96 void eficonfig_print_msg(char *msg);
97 void eficonfig_print_entry(void *data);
98 void eficonfig_display_statusline(struct menu *m);
99 char *eficonfig_choice_entry(void *data);
100 void eficonfig_destroy(struct efimenu *efi_menu);
101 efi_status_t eficonfig_process_quit(void *data);
102 efi_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 *));
107 efi_status_t eficonfig_process_select_file(void *data);
108 efi_status_t eficonfig_get_unused_bootoption(u16 *buf,
109 efi_uintn_t buf_size, u32 *index);
110 efi_status_t eficonfig_append_bootorder(u16 index);
111 efi_status_t eficonfig_generate_media_device_boot_option(void);
113 efi_status_t eficonfig_append_menu_entry(struct efimenu *efi_menu,
114 char *title, eficonfig_entry_func func,
116 efi_status_t eficonfig_append_quit_entry(struct efimenu *efi_menu);
117 struct efi_device_path *eficonfig_create_device_path(struct efi_device_path *dp_volume,
119 void *eficonfig_create_fixed_menu(const struct eficonfig_item *items, int count);
120 #ifdef CONFIG_EFI_SECURE_BOOT
121 efi_status_t eficonfig_process_secure_boot_config(void *data);