efivars: Move pstore code into the new EFI directory

[karo-tx-linux.git] / include / linux / efi.h

diff --git a/include/linux/efi.h b/include/linux/efi.h
index cd561b301e6a8e21ed09264d07ae5fe5291f7a60..8ff6ec1ac0462cc7f67607ac55f5d77f125cb403 100644 (file)
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -743,6 +743,34 @@ utf16_strlen(efi_char16_t *s)
 }
 
 #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE)
+/*
+ * Return the number of bytes is the length of this string
+ * Note: this is NOT the same as the number of unicode characters
+ */
+static inline unsigned long
+utf16_strsize(efi_char16_t *data, unsigned long maxlength)
+{
+       return utf16_strnlen(data, maxlength/sizeof(efi_char16_t)) * sizeof(efi_char16_t);
+}
+
+static inline int
+utf16_strncmp(const efi_char16_t *a, const efi_char16_t *b, size_t len)
+{
+       while (1) {
+               if (len == 0)
+                       return 0;
+               if (*a < *b)
+                       return -1;
+               if (*a > *b)
+                       return 1;
+               if (*a == 0) /* implies *b == 0 */
+                       return 0;
+               a++;
+               b++;
+               len--;
+       }
+}
+
 /*
  * EFI Variable support.
  *
@@ -795,6 +823,14 @@ struct efivar_entry {
        struct kobject kobj;
 };
 
+extern struct list_head efivar_sysfs_list;
+
+static inline void
+efivar_unregister(struct efivar_entry *var)
+{
+       kobject_put(&var->kobj);
+}
+
 int efivars_register(struct efivars *efivars,
                     const struct efivar_operations *ops,
                     struct kobject *kobject);
@@ -836,6 +872,8 @@ struct efivar_entry *efivar_entry_find(efi_char16_t *name, efi_guid_t guid,
 
 bool efivar_validate(struct efi_variable *var, u8 *data, unsigned long len);
 
+void efivar_run_worker(void);
+
 int efivars_sysfs_init(void);
 
 #endif /* CONFIG_EFI_VARS */