1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3
4 #include "efivars-fundamental.h"
5 #include "efivars.h"
6 #include "string-util.h"
7
8 /* Various calls for interfacing with EFI variables from the official UEFI specs. */
9
10 #if ENABLE_EFI
11
12 int efi_reboot_to_firmware_supported(void);
13 int efi_get_reboot_to_firmware(void);
14 int efi_set_reboot_to_firmware(bool value);
15
16 int efi_get_boot_option(uint16_t nr, char **ret_title, sd_id128_t *ret_part_uuid, char **ret_path, bool *ret_active);
17 int efi_add_boot_option(uint16_t id, const char *title, uint32_t part, uint64_t pstart, uint64_t psize, sd_id128_t part_uuid, const char *path);
18 int efi_remove_boot_option(uint16_t id);
19 int efi_get_boot_order(uint16_t **ret_order);
20 int efi_set_boot_order(const uint16_t *order, size_t n);
21 int efi_get_boot_options(uint16_t **ret_options);
22
23 bool efi_has_tpm2(void);
24
25 #else
26
efi_reboot_to_firmware_supported(void)27 static inline int efi_reboot_to_firmware_supported(void) {
28 return -EOPNOTSUPP;
29 }
30
efi_get_reboot_to_firmware(void)31 static inline int efi_get_reboot_to_firmware(void) {
32 return -EOPNOTSUPP;
33 }
34
efi_set_reboot_to_firmware(bool value)35 static inline int efi_set_reboot_to_firmware(bool value) {
36 return -EOPNOTSUPP;
37 }
38
efi_get_boot_option(uint16_t nr,char ** ret_title,sd_id128_t * ret_part_uuid,char ** ret_path,bool * ret_active)39 static inline int efi_get_boot_option(uint16_t nr, char **ret_title, sd_id128_t *ret_part_uuid, char **ret_path, bool *ret_active) {
40 return -EOPNOTSUPP;
41 }
42
efi_add_boot_option(uint16_t id,const char * title,uint32_t part,uint64_t pstart,uint64_t psize,sd_id128_t part_uuid,const char * path)43 static inline int efi_add_boot_option(uint16_t id, const char *title, uint32_t part, uint64_t pstart, uint64_t psize, sd_id128_t part_uuid, const char *path) {
44 return -EOPNOTSUPP;
45 }
46
efi_remove_boot_option(uint16_t id)47 static inline int efi_remove_boot_option(uint16_t id) {
48 return -EOPNOTSUPP;
49 }
50
efi_get_boot_order(uint16_t ** ret_order)51 static inline int efi_get_boot_order(uint16_t **ret_order) {
52 return -EOPNOTSUPP;
53 }
54
efi_set_boot_order(const uint16_t * order,size_t n)55 static inline int efi_set_boot_order(const uint16_t *order, size_t n) {
56 return -EOPNOTSUPP;
57 }
58
efi_get_boot_options(uint16_t ** ret_options)59 static inline int efi_get_boot_options(uint16_t **ret_options) {
60 return -EOPNOTSUPP;
61 }
62
efi_has_tpm2(void)63 static inline bool efi_has_tpm2(void) {
64 return false;
65 }
66
67 #endif
68
efi_tilt_backslashes(char * s)69 static inline char *efi_tilt_backslashes(char *s) {
70 return string_replace_char(s, '\\', '/');
71 }
72