LXR linux/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
  14struct 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
  38extern 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
  62struct 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
  70struct 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
  76struct nd_intel_unlock_unit {
  77        u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
  78        u32 status;
  79} __packed;
  80
  81struct nd_intel_disable_passphrase {
  82        u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
  83        u32 status;
  84} __packed;
  85
  86struct nd_intel_freeze_lock {
  87        u32 status;
  88} __packed;
  89
  90struct nd_intel_secure_erase {
  91        u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
  92        u32 status;
  93} __packed;
  94
  95struct nd_intel_overwrite {
  96        u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
  97        u32 status;
  98} __packed;
  99
 100struct nd_intel_query_overwrite {
 101        u32 status;
 102} __packed;
 103
 104struct 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
 110struct nd_intel_master_secure_erase {
 111        u8 passphrase[ND_INTEL_PASSPHRASE_SIZE];
 112        u32 status;
 113} __packed;
 114#endif
 115