include/linux/sed-opal-key.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * SED key operations.
   4  *
   5  * Copyright (C) 2023 IBM Corporation
   6  *
   7  * These are the accessor functions (read/write) for SED Opal
   8  * keys. Specific keystores can provide overrides.
   9  *
  10  */
  11
  12 #include <linux/kernel.h>
  13
  14 #ifdef CONFIG_PSERIES_PLPKS_SED
  15 int sed_read_key(char *keyname, char *key, u_int *keylen);
  16 int sed_write_key(char *keyname, char *key, u_int keylen);
  17 #else
  18 static inline
  19 int sed_read_key(char *keyname, char *key, u_int *keylen) {
  20         return -EOPNOTSUPP;
  21 }
  22 static inline
  23 int sed_write_key(char *keyname, char *key, u_int keylen) {
  24         return -EOPNOTSUPP;
  25 }
  26 #endif