From: Greg Joyce <gjoyce@xxxxxxxxxxxxxxxxxx>
Add read and write functions that allow SED Opal keys to stored
in a permanent keystore.
Signed-off-by: Greg Joyce <gjoyce@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Jonathan Derrick <jonathan.derrick@xxxxxxxxx>
---
include/linux/sed-opal-key.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 include/linux/sed-opal-key.h
diff --git a/include/linux/sed-opal-key.h b/include/linux/sed-opal-key.h
new file mode 100644
index 000000000000..0ca03054e8f6
--- /dev/null
+++ b/include/linux/sed-opal-key.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * SED key operations.
+ *
+ * Copyright (C) 2023 IBM Corporation
+ *
+ * These are the accessor functions (read/write) for SED Opal
+ * keys. Specific keystores can provide overrides.
+ *
+ */
+
+#include <linux/kernel.h>
+
+#ifdef CONFIG_PSERIES_PLPKS_SED
+int sed_read_key(char *keyname, char *key, u_int *keylen);
+int sed_write_key(char *keyname, char *key, u_int keylen);
+#else
+static inline
+int sed_read_key(char *keyname, char *key, u_int *keylen) {
+ return -EOPNOTSUPP;
+}
+static inline
+int sed_write_key(char *keyname, char *key, u_int keylen) {
+ return -EOPNOTSUPP;
+}
+#endif
--
gjoyce@xxxxxxxxxxxxxxxxxx
