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AVB 2.0 spec. revision 1.1 introduces support for named persistent values that must be tamper evident and allows AVB to store arbitrary key-value pairs [1]. Introduce implementation of two additional AVB operations read_persistent_value()/write_persistent_value() for retrieving/storing named persistent values. Correspondent pull request in the OP-TEE OS project repo [2]. [1]: https://android.googlesource.com/platform/external/avb/+/android-9.0.0_r22 [2]: https://github.com/OP-TEE/optee_os/pull/2699 Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org> Signed-off-by: Igor Opaniuk <igor.opaniuk@gmail.com>
30 lines
778 B
C
30 lines
778 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2018 Linaro Limited
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*/
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#ifndef __SANDBOXTEE_H
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#define __SANDBOXTEE_H
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#include <search.h>
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#include <tee/optee_ta_avb.h>
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/**
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* struct sandbox_tee_state - internal state of the sandbox TEE
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* @session: current open session
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* @num_shms: number of registered shared memory objects
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* @ta: Trusted Application of current session
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* @ta_avb_rollback_indexes TA avb rollback indexes storage
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* @ta_avb_lock_state TA avb lock state storage
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* @pstorage_htab named persistent values storage
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*/
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struct sandbox_tee_state {
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u32 session;
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int num_shms;
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void *ta;
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u64 ta_avb_rollback_indexes[TA_AVB_MAX_ROLLBACK_LOCATIONS];
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u32 ta_avb_lock_state;
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struct hsearch_data pstorage_htab;
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};
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#endif /*__SANDBOXTEE_H*/
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