1 files changed, 74 insertions, 0 deletions
diff --git a/src/shared/efi-api.h b/src/shared/efi-api.h
new file mode 100644
index 0000000..09071b2
--- /dev/null
+++ b/src/shared/efi-api.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "efivars-fundamental.h"
+#include "efivars.h"
+#include "string-util.h"
+
+/* Various calls for interfacing with EFI variables from the official UEFI specs. */
+
+#if ENABLE_EFI
+
+int efi_reboot_to_firmware_supported(void);
+int efi_get_reboot_to_firmware(void);
+int efi_set_reboot_to_firmware(bool value);
+
+int efi_get_boot_option(uint16_t nr, char **ret_title, sd_id128_t *ret_part_uuid, char **ret_path, bool *ret_active);
+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);
+int efi_remove_boot_option(uint16_t id);
+int efi_get_boot_order(uint16_t **ret_order);
+int efi_set_boot_order(const uint16_t *order, size_t n);
+int efi_get_boot_options(uint16_t **ret_options);
+
+bool efi_has_tpm2(void);
+
+#else
+
+static inline int efi_reboot_to_firmware_supported(void) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_get_reboot_to_firmware(void) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_set_reboot_to_firmware(bool value) {
+        return -EOPNOTSUPP;
+}
+
+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) {
+        return -EOPNOTSUPP;
+}
+
+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) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_remove_boot_option(uint16_t id) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_get_boot_order(uint16_t **ret_order) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_set_boot_order(const uint16_t *order, size_t n) {
+        return -EOPNOTSUPP;
+}
+
+static inline int efi_get_boot_options(uint16_t **ret_options) {
+        return -EOPNOTSUPP;
+}
+
+static inline bool efi_has_tpm2(void) {
+        return false;
+}
+
+#endif
+
+static inline char *efi_tilt_backslashes(char *s) {
+        return string_replace_char(s, '\\', '/');
+}
+
+sd_id128_t efi_guid_to_id128(const void *guid);
+void efi_id128_to_guid(sd_id128_t id, void *ret_guid);