discover: Recognise and open LUKS encrypted partitions

[petitboot] / lib / efi / efivar.h

diff --git a/lib/efi/efivar.h b/lib/efi/efivar.h
index ebf73facb32e5d4f40d2815b65cfb92f761c244b..9307d6c1761156cc802f0f8692744e5592d17c46 100644 (file)
--- a/lib/efi/efivar.h
+++ b/lib/efi/efivar.h
@@ -19,7 +19,7 @@
 #ifndef EFIVAR_H
 #define EFIVAR_H
 
-#include <linux/magic.h>
+#include <stdbool.h>
 #include <stdint.h>
 
 #define EFI_VARIABLE_NON_VOLATILE                           0x00000001
@@ -30,17 +30,36 @@
 #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 \
+)
 
-void set_efivarfs_path(const char *path);
-const char *get_efivarfs_path(void);
+struct efi_data {
+       uint32_t attributes;
+       size_t data_size;
+       void *data;
+       uint8_t fill[0];
+};
 
-int efi_get_variable(void *ctx, const char *guidstr, const char *name,
-               uint8_t **data, size_t *data_size, uint32_t *attributes);
-int efi_set_variable(void *ctx, const char *guidstr, const char *name,
-               uint8_t *data, size_t data_size, uint32_t attributes);
-int efi_del_variable(void *ctx, const char *guidstr, const char *name);
+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 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 */