1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/nvme-keyring.h b/include/linux/nvme-keyring.h
new file mode 100644
index 000000000000..ab8971afa973
--- /dev/null
+++ b/include/linux/nvme-keyring.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023 Hannes Reinecke, SUSE Labs
+ */
+
+#ifndef _NVME_KEYRING_H
+#define _NVME_KEYRING_H
+
+#include <linux/key.h>
+
+#if IS_ENABLED(CONFIG_NVME_KEYRING)
+
+struct key *nvme_tls_psk_refresh(struct key *keyring,
+		const char *hostnqn, const char *subnqn, u8 hmac_id,
+		u8 *data, size_t data_len, const char *digest);
+key_serial_t nvme_tls_psk_default(struct key *keyring,
+		const char *hostnqn, const char *subnqn);
+
+key_serial_t nvme_keyring_id(void);
+struct key *nvme_tls_key_lookup(key_serial_t key_id);
+#else
+static inline struct key *nvme_tls_psk_refresh(struct key *keyring,
+		const char *hostnqn, char *subnqn, u8 hmac_id,
+		u8 *data, size_t data_len, const char *digest)
+{
+	return ERR_PTR(-ENOTSUPP);
+}
+static inline key_serial_t nvme_tls_psk_default(struct key *keyring,
+		const char *hostnqn, const char *subnqn)
+{
+	return 0;
+}
+static inline key_serial_t nvme_keyring_id(void)
+{
+	return 0;
+}
+static inline struct key *nvme_tls_key_lookup(key_serial_t key_id)
+{
+	return ERR_PTR(-ENOTSUPP);
+}
+#endif /* !CONFIG_NVME_KEYRING */
+#endif /* _NVME_KEYRING_H */