1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (c) 2023 Hannes Reinecke, SUSE Labs
4 */
5
6 #ifndef _NVME_KEYRING_H
7 #define _NVME_KEYRING_H
8
9 #include <linux/key.h>
10
11 #if IS_ENABLED(CONFIG_NVME_KEYRING)
12
13 struct key *nvme_tls_psk_refresh(struct key *keyring,
14 const char *hostnqn, const char *subnqn, u8 hmac_id,
15 u8 *data, size_t data_len, const char *digest);
16 key_serial_t nvme_tls_psk_default(struct key *keyring,
17 const char *hostnqn, const char *subnqn);
18
19 key_serial_t nvme_keyring_id(void);
20 struct key *nvme_tls_key_lookup(key_serial_t key_id);
21 #else
nvme_tls_psk_refresh(struct key * keyring,const char * hostnqn,char * subnqn,u8 hmac_id,u8 * data,size_t data_len,const char * digest)22 static inline struct key *nvme_tls_psk_refresh(struct key *keyring,
23 const char *hostnqn, char *subnqn, u8 hmac_id,
24 u8 *data, size_t data_len, const char *digest)
25 {
26 return ERR_PTR(-ENOTSUPP);
27 }
nvme_tls_psk_default(struct key * keyring,const char * hostnqn,const char * subnqn)28 static inline key_serial_t nvme_tls_psk_default(struct key *keyring,
29 const char *hostnqn, const char *subnqn)
30 {
31 return 0;
32 }
nvme_keyring_id(void)33 static inline key_serial_t nvme_keyring_id(void)
34 {
35 return 0;
36 }
nvme_tls_key_lookup(key_serial_t key_id)37 static inline struct key *nvme_tls_key_lookup(key_serial_t key_id)
38 {
39 return ERR_PTR(-ENOTSUPP);
40 }
41 #endif /* !CONFIG_NVME_KEYRING */
42 #endif /* _NVME_KEYRING_H */
43