blob: 95d42651eab5d0a1ee0e7d84c2c1623bfadc48ec
| 1 | /* |
| 2 | * Copyright (C) 2014-2017 Amlogic, Inc. All rights reserved. |
| 3 | * |
| 4 | * All information contained herein is Amlogic confidential. |
| 5 | * |
| 6 | * This software is provided to you pursuant to Software License Agreement |
| 7 | * (SLA) with Amlogic Inc ("Amlogic"). This software may be used |
| 8 | * only in accordance with the terms of this agreement. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification is strictly prohibited without prior written permission from |
| 12 | * Amlogic. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 15 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 17 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 18 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 19 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 20 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #ifndef __ANTI_ROLLBACK_ |
| 28 | #define __ANTI_ROLLBACK_ |
| 29 | |
| 30 | #include <linux/types.h> |
| 31 | |
| 32 | bool check_antirollback(uint32_t kernel_version); |
| 33 | |
| 34 | bool set_avb_antirollback(uint32_t index, uint32_t version); |
| 35 | bool get_avb_antirollback(uint32_t index, uint32_t* version); |
| 36 | bool get_avb_lock_state(uint32_t* lock_state); |
| 37 | bool avb_lock(void); |
| 38 | bool avb_unlock(void); |
| 39 | |
| 40 | #endif |
| 41 |