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