blob: 074386af19a14b77643603885b52e5939794a767 [file] [log] [blame]
Jens Wiklander1cc8cc42018-09-25 16:40:15 +02001/* SPDX-License-Identifier: BSD-2-Clause */
2/* Copyright (c) 2018, Linaro Limited */
3
4#ifndef __TA_AVB_H
5#define __TA_AVB_H
6
7#define TA_AVB_UUID { 0x023f8f1a, 0x292a, 0x432b, \
8 { 0x8f, 0xc4, 0xde, 0x84, 0x71, 0x35, 0x80, 0x67 } }
9
10#define TA_AVB_MAX_ROLLBACK_LOCATIONS 256
11
12/*
13 * Gets the rollback index corresponding to the given rollback index slot.
14 *
15 * in params[0].value.a: rollback index slot
16 * out params[1].value.a: upper 32 bits of rollback index
17 * out params[1].value.b: lower 32 bits of rollback index
18 */
19#define TA_AVB_CMD_READ_ROLLBACK_INDEX 0
20
21/*
22 * Updates the rollback index corresponding to the given rollback index slot.
23 *
24 * Will refuse to update a slot with a lower value.
25 *
26 * in params[0].value.a: rollback index slot
27 * in params[1].value.a: upper 32 bits of rollback index
28 * in params[1].value.b: lower 32 bits of rollback index
29 */
30#define TA_AVB_CMD_WRITE_ROLLBACK_INDEX 1
31
32/*
33 * Gets the lock state of the device.
34 *
35 * out params[0].value.a: lock state
36 */
37#define TA_AVB_CMD_READ_LOCK_STATE 2
38
39/*
40 * Sets the lock state of the device.
41 *
42 * If the lock state is changed all rollback slots will be reset to 0
43 *
44 * in params[0].value.a: lock state
45 */
46#define TA_AVB_CMD_WRITE_LOCK_STATE 3
47
48#endif /* __TA_AVB_H */