drivers/acpi/nfit/intel.h

   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