1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright(c) 2018 Intel Corporation. All rights reserved.
4  * Intel specific definitions for NVDIMM Firmware Interface Table - NFIT
5  */
6 #ifndef _NFIT_INTEL_H_
7 #define _NFIT_INTEL_H_
8 
9 #define ND_INTEL_SMART 1
10 
11 #define ND_INTEL_SMART_SHUTDOWN_COUNT_VALID     (1 << 5)
12 #define ND_INTEL_SMART_SHUTDOWN_VALID           (1 << 10)
13 
14 struct nd_intel_smart {
15 	u32 status;
16 	union {
17 		struct {
18 			u32 flags;
19 			u8 reserved0[4];
20 			u8 health;
21 			u8 spares;
22 			u8 life_used;
23 			u8 alarm_flags;
24 			u16 media_temperature;
25 			u16 ctrl_temperature;
26 			u32 shutdown_count;
27 			u8 ait_status;
28 			u16 pmic_temperature;
29 			u8 reserved1[8];
30 			u8 shutdown_state;
31 			u32 vendor_size;
32 			u8 vendor_data[92];
33 		} __packed;
34 		u8 data[128];
35 	};
36 } __packed;
37 
38 extern const struct nvdimm_security_ops *intel_security_ops;
39 
40 #define ND_INTEL_STATUS_SIZE		4
41 #define ND_INTEL_PASSPHRASE_SIZE	32
42 
43 #define ND_INTEL_STATUS_NOT_SUPPORTED	1
44 #define ND_INTEL_STATUS_RETRY		5
45 #define ND_INTEL_STATUS_NOT_READY	9
46 #define ND_INTEL_STATUS_INVALID_STATE	10
47 #define ND_INTEL_STATUS_INVALID_PASS	11
48 #define ND_INTEL_STATUS_OVERWRITE_UNSUPPORTED	0x10007
49 #define ND_INTEL_STATUS_OQUERY_INPROGRESS	0x10007
50 #define ND_INTEL_STATUS_OQUERY_SEQUENCE_ERR	0x20007
51 
52 #define ND_INTEL_SEC_STATE_ENABLED	0x02
53 #define ND_INTEL_SEC_STATE_LOCKED	0x04
54 #define ND_INTEL_SEC_STATE_FROZEN	0x08
55 #define ND_INTEL_SEC_STATE_PLIMIT	0x10
56 #define ND_INTEL_SEC_STATE_UNSUPPORTED	0x20
57 #define ND_INTEL_SEC_STATE_OVERWRITE	0x40
58 
59 #define ND_INTEL_SEC_ESTATE_ENABLED	0x01
60 #define ND_INTEL_SEC_ESTATE_PLIMIT	0x02
61 
62 struct nd_intel_get_security_state {
63 	u32 status;
64 	u8 extended_state;
65 	u8 reserved[3];
66 	u8 state;
67 	u8 reserved1[3];
68 } __packed;
69 
70 struct nd_intel_set_passphrase {
71 	u8 old_pass[ND_INTEL_PASSPHRASE_SIZE];
72 	u8 new_pass[ND_INTEL_PASSPHRASE_SIZE];
73 	u32 status;
74 } __packed;
75 
76 struct nd_intel_unlock_unit {
77 	u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
78 	u32 status;
79 } __packed;
80 
81 struct nd_intel_disable_passphrase {
82 	u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
83 	u32 status;
84 } __packed;
85 
86 struct nd_intel_freeze_lock {
87 	u32 status;
88 } __packed;
89 
90 struct nd_intel_secure_erase {
91 	u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
92 	u32 status;
93 } __packed;
94 
95 struct nd_intel_overwrite {
96 	u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
97 	u32 status;
98 } __packed;
99 
100 struct nd_intel_query_overwrite {
101 	u32 status;
102 } __packed;
103 
104 struct nd_intel_set_master_passphrase {
105 	u8 old_pass[ND_INTEL_PASSPHRASE_SIZE];
106 	u8 new_pass[ND_INTEL_PASSPHRASE_SIZE];
107 	u32 status;
108 } __packed;
109 
110 struct nd_intel_master_secure_erase {
111 	u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
112 	u32 status;
113 } __packed;
114 #endif
115