1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Copyright © 2016 Intel Corporation
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms and conditions of the GNU General Public License,
11 * version 2, as published by the Free Software Foundation.
13 * This program is distributed in the hope it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 #ifndef _UAPI_SED_OPAL_H
20 #define _UAPI_SED_OPAL_H
22 #include <linux/types.h>
24 #define OPAL_KEY_MAX 256
25 #define OPAL_MAX_LRS 9
28 OPAL_MBR_ENABLE = 0x0,
29 OPAL_MBR_DISABLE = 0x01,
45 enum opal_lock_state {
46 OPAL_RO = 0x01, /* 0001 */
47 OPAL_RW = 0x02, /* 0010 */
48 OPAL_LK = 0x04, /* 0100 */
55 __u8 key[OPAL_KEY_MAX];
62 __u8 lr[OPAL_MAX_LRS];
63 __u8 align[2]; /* Align to 8 byte boundary */
66 struct opal_session_info {
69 struct opal_key opal_key;
72 struct opal_user_lr_setup {
75 __u32 RLE; /* Read Lock enabled */
76 __u32 WLE; /* Write Lock Enabled */
77 struct opal_session_info session;
80 struct opal_lock_unlock {
81 struct opal_session_info session;
87 struct opal_session_info session;
89 /* When we're not operating in sum, and we first set
90 * passwords we need to set them via ADMIN authority.
91 * After passwords are changed, we can set them via,
93 * Because of this restriction we need to know about
94 * Two different users. One in 'session' which we will use
95 * to start the session and new_userr_pw as the user we're
98 struct opal_session_info new_user_pw;
101 struct opal_mbr_data {
107 #define IOC_OPAL_SAVE _IOW('p', 220, struct opal_lock_unlock)
108 #define IOC_OPAL_LOCK_UNLOCK _IOW('p', 221, struct opal_lock_unlock)
109 #define IOC_OPAL_TAKE_OWNERSHIP _IOW('p', 222, struct opal_key)
110 #define IOC_OPAL_ACTIVATE_LSP _IOW('p', 223, struct opal_lr_act)
111 #define IOC_OPAL_SET_PW _IOW('p', 224, struct opal_new_pw)
112 #define IOC_OPAL_ACTIVATE_USR _IOW('p', 225, struct opal_session_info)
113 #define IOC_OPAL_REVERT_TPR _IOW('p', 226, struct opal_key)
114 #define IOC_OPAL_LR_SETUP _IOW('p', 227, struct opal_user_lr_setup)
115 #define IOC_OPAL_ADD_USR_TO_LR _IOW('p', 228, struct opal_lock_unlock)
116 #define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data)
117 #define IOC_OPAL_ERASE_LR _IOW('p', 230, struct opal_session_info)
118 #define IOC_OPAL_SECURE_ERASE_LR _IOW('p', 231, struct opal_session_info)
120 #endif /* _UAPI_SED_OPAL_H */