#ifndef EFIVAR_H
#define EFIVAR_H
-#include <linux/magic.h>
+#include <stdbool.h>
#include <stdint.h>
#define EFI_VARIABLE_NON_VOLATILE 0x00000001
#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x00000020
#define EFI_VARIABLE_APPEND_WRITE 0x00000040
-#ifndef EFIVARFS_MAGIC
-#define EFIVARFS_MAGIC 0xde5e81e4
-#endif
+#define EFI_DEFALT_ATTRIBUTES ( \
+ EFI_VARIABLE_NON_VOLATILE | \
+ EFI_VARIABLE_RUNTIME_ACCESS | \
+ EFI_VARIABLE_BOOTSERVICE_ACCESS \
+)
struct efi_data {
uint32_t attributes;
uint8_t fill[0];
};
-void set_efivarfs_path(const char *path);
-const char *get_efivarfs_path(void);
+struct efi_mount {
+ const char *path;
+ const char *guid;
+};
+
+void efi_init_mount(struct efi_mount *efi_mount, const char *path,
+ const char *guid);
+bool efi_check_mount_magic(const struct efi_mount *efi_mount, bool check_magic);
+static inline bool efi_check_mount(const struct efi_mount *efi_mount)
+{
+ return efi_check_mount_magic(efi_mount, true);
+}
-int efi_get_variable(void *ctx, const char *guidstr, const char *name,
- struct efi_data **efi_data);
-int efi_set_variable(const char *guidstr, const char *name,
- const struct efi_data *efi_data);
-int efi_del_variable(const char *guidstr, const char *name);
+int efi_get_variable(void *ctx, const struct efi_mount *efi_mount,
+ const char *name, struct efi_data **efi_data);
+int efi_set_variable(const struct efi_mount *efi_mount, const char *name,
+ const struct efi_data *efi_data);
+int efi_del_variable(const struct efi_mount *efi_mount, const char *name);
#endif /* EFIVAR_H */