Commit 96ff37ce authored by Greg Joyce's avatar Greg Joyce Committed by Jens Axboe
Browse files

block:sed-opal: SED Opal keystore



Add read and write functions that allow SED Opal keys to stored
in a permanent keystore.

Signed-off-by: default avatarGreg Joyce <gjoyce@linux.vnet.ibm.com>
Reviewed-by: default avatarJonathan Derrick <jonathan.derrick@linux.dev>
Link: https://lore.kernel.org/r/20231004201957.1451669-2-gjoyce@linux.vnet.ibm.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b4e1353f
Loading
Loading
Loading
Loading
+26 −0
Original line number Diff line number Diff line
/* 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