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 (at) intel.com> 7 * Scott Bauer <scott.bauer (at) intel.com> 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms and conditions of the GNU General Public License, 11 * version 2, as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope it will be useful, but WITHOUT 14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 16 * more details. 17 */ 18 19 #ifndef _UAPI_SED_OPAL_H 20 #define _UAPI_SED_OPAL_H 21 22 #include <linux/types.h> 23 24 #define OPAL_KEY_MAX 256 25 #define OPAL_MAX_LRS 9 26 27 enum opal_mbr { 28 OPAL_MBR_ENABLE = 0x0, 29 OPAL_MBR_DISABLE = 0x01, 30 }; 31 32 enum opal_user { 33 OPAL_ADMIN1 = 0x0, 34 OPAL_USER1 = 0x01, 35 OPAL_USER2 = 0x02, 36 OPAL_USER3 = 0x03, 37 OPAL_USER4 = 0x04, 38 OPAL_USER5 = 0x05, 39 OPAL_USER6 = 0x06, 40 OPAL_USER7 = 0x07, 41 OPAL_USER8 = 0x08, 42 OPAL_USER9 = 0x09, 43 }; 44 45 enum opal_lock_state { 46 OPAL_RO = 0x01, /* 0001 */ 47 OPAL_RW = 0x02, /* 0010 */ 48 OPAL_LK = 0x04, /* 0100 */ 49 }; 50 51 struct opal_key { 52 __u8 lr; 53 __u8 key_len; 54 __u8 __align[6]; 55 __u8 key[OPAL_KEY_MAX]; 56 }; 57 58 struct opal_lr_act { 59 struct opal_key key; 60 __u32 sum; 61 __u8 num_lrs; 62 __u8 lr[OPAL_MAX_LRS]; 63 __u8 align[2]; /* Align to 8 byte boundary */ 64 }; 65 66 struct opal_session_info { 67 __u32 sum; 68 __u32 who; 69 struct opal_key opal_key; 70 }; 71 72 struct opal_user_lr_setup { 73 __u64 range_start; 74 __u64 range_length; 75 __u32 RLE; /* Read Lock enabled */ 76 __u32 WLE; /* Write Lock Enabled */ 77 struct opal_session_info session; 78 }; 79 80 struct opal_lock_unlock { 81 struct opal_session_info session; 82 __u32 l_state; 83 __u8 __align[4]; 84 }; 85 86 struct opal_new_pw { 87 struct opal_session_info session; 88 89 /* When we're not operating in sum, and we first set 90 * passwords we need to set them via ADMIN authority. 91 * After passwords are changed, we can set them via, 92 * User authorities. 93 * Because of this restriction we need to know about 94 * Two different users. One in 'session' which we will use 95 * to start the session and new_userr_pw as the user we're 96 * chaning the pw for. 97 */ 98 struct opal_session_info new_user_pw; 99 }; 100 101 struct opal_mbr_data { 102 struct opal_key key; 103 __u8 enable_disable; 104 __u8 __align[7]; 105 }; 106 107 #define IOC_OPAL_SAVE _IOW('p', 220, struct opal_lock_unlock) 108 #define IOC_OPAL_LOCK_UNLOCK _IOW('p', 221, struct opal_lock_unlock) 109 #define IOC_OPAL_TAKE_OWNERSHIP _IOW('p', 222, struct opal_key) 110 #define IOC_OPAL_ACTIVATE_LSP _IOW('p', 223, struct opal_lr_act) 111 #define IOC_OPAL_SET_PW _IOW('p', 224, struct opal_new_pw) 112 #define IOC_OPAL_ACTIVATE_USR _IOW('p', 225, struct opal_session_info) 113 #define IOC_OPAL_REVERT_TPR _IOW('p', 226, struct opal_key) 114 #define IOC_OPAL_LR_SETUP _IOW('p', 227, struct opal_user_lr_setup) 115 #define IOC_OPAL_ADD_USR_TO_LR _IOW('p', 228, struct opal_lock_unlock) 116 #define IOC_OPAL_ENABLE_DISABLE_MBR _IOW('p', 229, struct opal_mbr_data) 117 #define IOC_OPAL_ERASE_LR _IOW('p', 230, struct opal_session_info) 118 #define IOC_OPAL_SECURE_ERASE_LR _IOW('p', 231, struct opal_session_info) 119 120 #endif /* _UAPI_SED_OPAL_H */ 121
