root/include/uapi/linux/sed-opal.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Copyright © 2016 Intel Corporation
   4  *
   5  * Authors:
   6  *    Rafael Antognolli <rafael.antognolli@intel.com>
   7  *    Scott  Bauer      <scott.bauer@intel.com>
   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 struct opal_key {
  48         __u8 lr;
  49         __u8 key_len;
  50         __u8 __align[6];
  51         __u8 key[OPAL_KEY_MAX];
  52 };
  53 
  54 struct opal_lr_act {
  55         struct opal_key key;
  56         __u32 sum;
  57         __u8 num_lrs;
  58         __u8 lr[OPAL_MAX_LRS];
  59         __u8 align[2]; /* Align to 8 byte boundary */
  60 };
  61 
  62 struct opal_session_info {
  63         __u32 sum;
  64         __u32 who;
  65         struct opal_key opal_key;
  66 };
  67 
  68 struct opal_user_lr_setup {
  69         __u64 range_start;
  70         __u64 range_length;
  71         __u32 RLE; /* Read Lock enabled */
  72         __u32 WLE; /* Write Lock Enabled */
  73         struct opal_session_info session;
  74 };
  75 
  76 struct opal_lock_unlock {
  77         struct opal_session_info session;
  78         __u32 l_state;
  79         __u8 __align[4];
  80 };
  81 
  82 struct opal_new_pw {
  83         struct opal_session_info session;
  84 
  85         /* When we're not operating in sum, and we first set
  86          * passwords we need to set them via ADMIN authority.
  87          * After passwords are changed, we can set them via,
  88          * User authorities.
  89          * Because of this restriction we need to know about
  90          * Two different users. One in 'session' which we will use
  91          * to start the session and new_userr_pw as the user we're
  92          * chaning the pw for.
  93          */
  94         struct opal_session_info new_user_pw;
  95 };
  96 
  97 struct opal_mbr_data {
  98         struct opal_key key;
  99         __u8 enable_disable;
 100         __u8 __align[7];
 101 };
 102 
 103 struct opal_mbr_done {
 104         struct opal_key key;
 105         __u8 done_flag;
 106         __u8 __align[7];
 107 };
 108 
 109 struct opal_shadow_mbr {
 110         struct opal_key key;
 111         const __u64 data;
 112         __u64 offset;
 113         __u64 size;
 114 };
 115 
 116 #define IOC_OPAL_SAVE               _IOW('p', 220, struct opal_lock_unlock)
 117 #define IOC_OPAL_LOCK_UNLOCK        _IOW('p', 221, struct opal_lock_unlock)
 118 #define IOC_OPAL_TAKE_OWNERSHIP     _IOW('p', 222, struct opal_key)
 119 #define IOC_OPAL_ACTIVATE_LSP       _IOW('p', 223, struct opal_lr_act)
 120 #define IOC_OPAL_SET_PW             _IOW('p', 224, struct opal_new_pw)
 121 #define IOC_OPAL_ACTIVATE_USR       _IOW('p', 225, struct opal_session_info)
 122 #define IOC_OPAL_REVERT_TPR         _IOW('p', 226, struct opal_key)
 123 #define IOC_OPAL_LR_SETUP           _IOW('p', 227, struct opal_user_lr_setup)
 124 #define IOC_OPAL_ADD_USR_TO_LR      _IOW('p', 228, struct opal_lock_unlock)
 125 #define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data)
 126 #define IOC_OPAL_ERASE_LR           _IOW('p', 230, struct opal_session_info)
 127 #define IOC_OPAL_SECURE_ERASE_LR    _IOW('p', 231, struct opal_session_info)
 128 #define IOC_OPAL_PSID_REVERT_TPR    _IOW('p', 232, struct opal_key)
 129 #define IOC_OPAL_MBR_DONE           _IOW('p', 233, struct opal_mbr_done)
 130 #define IOC_OPAL_WRITE_SHADOW_MBR   _IOW('p', 234, struct opal_shadow_mbr)
 131 
 132 #endif /* _UAPI_SED_OPAL_H */