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HID: hid-sensor-custom: Fix big on-stack allocation in hid_sensor_custom_get_known()
[linux.git] / include / uapi / linux / sed-opal.h
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  * Copyright © 2016 Intel Corporation
4  *
5  * Authors:
6  *    Rafael Antognolli <[email protected]>
7  *    Scott  Bauer      <[email protected]>
8  */
9
10 #ifndef _UAPI_SED_OPAL_H
11 #define _UAPI_SED_OPAL_H
12
13 #include <linux/types.h>
14
15 #define OPAL_KEY_MAX 256
16 #define OPAL_MAX_LRS 9
17
18 enum opal_mbr {
19         OPAL_MBR_ENABLE = 0x0,
20         OPAL_MBR_DISABLE = 0x01,
21 };
22
23 enum opal_mbr_done_flag {
24         OPAL_MBR_NOT_DONE = 0x0,
25         OPAL_MBR_DONE = 0x01
26 };
27
28 enum opal_user {
29         OPAL_ADMIN1 = 0x0,
30         OPAL_USER1 = 0x01,
31         OPAL_USER2 = 0x02,
32         OPAL_USER3 = 0x03,
33         OPAL_USER4 = 0x04,
34         OPAL_USER5 = 0x05,
35         OPAL_USER6 = 0x06,
36         OPAL_USER7 = 0x07,
37         OPAL_USER8 = 0x08,
38         OPAL_USER9 = 0x09,
39 };
40
41 enum opal_lock_state {
42         OPAL_RO = 0x01, /* 0001 */
43         OPAL_RW = 0x02, /* 0010 */
44         OPAL_LK = 0x04, /* 0100 */
45 };
46
47 enum opal_lock_flags {
48         /* IOC_OPAL_SAVE will also store the provided key for locking */
49         OPAL_SAVE_FOR_LOCK = 0x01,
50 };
51
52 struct opal_key {
53         __u8 lr;
54         __u8 key_len;
55         __u8 __align[6];
56         __u8 key[OPAL_KEY_MAX];
57 };
58
59 struct opal_lr_act {
60         struct opal_key key;
61         __u32 sum;
62         __u8 num_lrs;
63         __u8 lr[OPAL_MAX_LRS];
64         __u8 align[2]; /* Align to 8 byte boundary */
65 };
66
67 struct opal_session_info {
68         __u32 sum;
69         __u32 who;
70         struct opal_key opal_key;
71 };
72
73 struct opal_user_lr_setup {
74         __u64 range_start;
75         __u64 range_length;
76         __u32 RLE; /* Read Lock enabled */
77         __u32 WLE; /* Write Lock Enabled */
78         struct opal_session_info session;
79 };
80
81 struct opal_lock_unlock {
82         struct opal_session_info session;
83         __u32 l_state;
84         __u16 flags;
85         __u8 __align[2];
86 };
87
88 struct opal_new_pw {
89         struct opal_session_info session;
90
91         /* When we're not operating in sum, and we first set
92          * passwords we need to set them via ADMIN authority.
93          * After passwords are changed, we can set them via,
94          * User authorities.
95          * Because of this restriction we need to know about
96          * Two different users. One in 'session' which we will use
97          * to start the session and new_userr_pw as the user we're
98          * chaning the pw for.
99          */
100         struct opal_session_info new_user_pw;
101 };
102
103 struct opal_mbr_data {
104         struct opal_key key;
105         __u8 enable_disable;
106         __u8 __align[7];
107 };
108
109 struct opal_mbr_done {
110         struct opal_key key;
111         __u8 done_flag;
112         __u8 __align[7];
113 };
114
115 struct opal_shadow_mbr {
116         struct opal_key key;
117         const __u64 data;
118         __u64 offset;
119         __u64 size;
120 };
121
122 /* Opal table operations */
123 enum opal_table_ops {
124         OPAL_READ_TABLE,
125         OPAL_WRITE_TABLE,
126 };
127
128 #define OPAL_UID_LENGTH 8
129 struct opal_read_write_table {
130         struct opal_key key;
131         const __u64 data;
132         const __u8 table_uid[OPAL_UID_LENGTH];
133         __u64 offset;
134         __u64 size;
135 #define OPAL_TABLE_READ (1 << OPAL_READ_TABLE)
136 #define OPAL_TABLE_WRITE (1 << OPAL_WRITE_TABLE)
137         __u64 flags;
138         __u64 priv;
139 };
140
141 #define OPAL_FL_SUPPORTED               0x00000001
142 #define OPAL_FL_LOCKING_SUPPORTED       0x00000002
143 #define OPAL_FL_LOCKING_ENABLED         0x00000004
144 #define OPAL_FL_LOCKED                  0x00000008
145 #define OPAL_FL_MBR_ENABLED             0x00000010
146 #define OPAL_FL_MBR_DONE                0x00000020
147
148 struct opal_status {
149         __u32 flags;
150         __u32 reserved;
151 };
152
153 #define IOC_OPAL_SAVE               _IOW('p', 220, struct opal_lock_unlock)
154 #define IOC_OPAL_LOCK_UNLOCK        _IOW('p', 221, struct opal_lock_unlock)
155 #define IOC_OPAL_TAKE_OWNERSHIP     _IOW('p', 222, struct opal_key)
156 #define IOC_OPAL_ACTIVATE_LSP       _IOW('p', 223, struct opal_lr_act)
157 #define IOC_OPAL_SET_PW             _IOW('p', 224, struct opal_new_pw)
158 #define IOC_OPAL_ACTIVATE_USR       _IOW('p', 225, struct opal_session_info)
159 #define IOC_OPAL_REVERT_TPR         _IOW('p', 226, struct opal_key)
160 #define IOC_OPAL_LR_SETUP           _IOW('p', 227, struct opal_user_lr_setup)
161 #define IOC_OPAL_ADD_USR_TO_LR      _IOW('p', 228, struct opal_lock_unlock)
162 #define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data)
163 #define IOC_OPAL_ERASE_LR           _IOW('p', 230, struct opal_session_info)
164 #define IOC_OPAL_SECURE_ERASE_LR    _IOW('p', 231, struct opal_session_info)
165 #define IOC_OPAL_PSID_REVERT_TPR    _IOW('p', 232, struct opal_key)
166 #define IOC_OPAL_MBR_DONE           _IOW('p', 233, struct opal_mbr_done)
167 #define IOC_OPAL_WRITE_SHADOW_MBR   _IOW('p', 234, struct opal_shadow_mbr)
168 #define IOC_OPAL_GENERIC_TABLE_RW   _IOW('p', 235, struct opal_read_write_table)
169 #define IOC_OPAL_GET_STATUS         _IOR('p', 236, struct opal_status)
170
171 #endif /* _UAPI_SED_OPAL_H */
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