1 files changed, 51 insertions, 0 deletions
diff --git a/roms/skiboot/libstb/secvar/secvar.h b/roms/skiboot/libstb/secvar/secvar.h
new file mode 100644
index 000000000..33cd0a085
--- /dev/null
+++ b/roms/skiboot/libstb/secvar/secvar.h
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2013-2019 IBM Corp. */
+
+#ifndef _SECVAR_H_
+#define _SECVAR_H_
+
+#include <ccan/list/list.h>
+#include <stdint.h>
+#include <secvar.h>
+
+#define SECVAR_MAX_KEY_LEN		1024
+
+enum {
+	SECVAR_VARIABLE_BANK,
+	SECVAR_UPDATE_BANK,
+};
+
+
+#define SECVAR_FLAG_VOLATILE	0x1 /* Instructs storage driver to ignore variable on writes */
+#define SECVAR_FLAG_PROTECTED	0x2 /* Instructs storage driver to store in lockable flash */
+
+struct secvar {
+	struct list_node link;
+	uint64_t key_len;
+	uint64_t data_size;
+	uint64_t flags;
+	char *key;
+	char *data;
+};
+
+extern struct list_head variable_bank;
+extern struct list_head update_bank;
+extern int secvar_enabled;
+extern int secvar_ready;
+extern struct secvar_storage_driver secvar_storage;
+extern struct secvar_backend_driver secvar_backend;
+
+// Helper functions
+void clear_bank_list(struct list_head *bank);
+int copy_bank_list(struct list_head *dst, struct list_head *src);
+struct secvar *alloc_secvar(uint64_t key_len, uint64_t data_size);
+struct secvar *new_secvar(const char *key, uint64_t key_len,
+			       const char *data, uint64_t data_size,
+			       uint64_t flags);
+int realloc_secvar(struct secvar *node, uint64_t size);
+void dealloc_secvar(struct secvar *node);
+struct secvar *find_secvar(const char *key, uint64_t key_len, struct list_head *bank);
+int is_key_empty(const char *key, uint64_t key_len);
+int list_length(struct list_head *bank);
+
+#endif