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/* SPDX-License-Identifier: BSD-2-Clause */
/* Copyright (c) 2018, Linaro Limited */
#ifndef __TA_AVB_H
#define __TA_AVB_H
#define TA_AVB_UUID { 0x023f8f1a, 0x292a, 0x432b, \
{ 0x8f, 0xc4, 0xde, 0x84, 0x71, 0x35, 0x80, 0x67 } }
#define TA_AVB_MAX_ROLLBACK_LOCATIONS 256
/*
* Gets the rollback index corresponding to the given rollback index slot.
*
* in params[0].value.a: rollback index slot
* out params[1].value.a: upper 32 bits of rollback index
* out params[1].value.b: lower 32 bits of rollback index
*/
#define TA_AVB_CMD_READ_ROLLBACK_INDEX 0
/*
* Updates the rollback index corresponding to the given rollback index slot.
*
* Will refuse to update a slot with a lower value.
*
* in params[0].value.a: rollback index slot
* in params[1].value.a: upper 32 bits of rollback index
* in params[1].value.b: lower 32 bits of rollback index
*/
#define TA_AVB_CMD_WRITE_ROLLBACK_INDEX 1
/*
* Gets the lock state of the device.
*
* out params[0].value.a: lock state
*/
#define TA_AVB_CMD_READ_LOCK_STATE 2
/*
* Sets the lock state of the device.
*
* If the lock state is changed all rollback slots will be reset to 0
*
* in params[0].value.a: lock state
*/
#define TA_AVB_CMD_WRITE_LOCK_STATE 3
#endif /* __TA_AVB_H */
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