mirror of
https://github.com/trezor/trezor-firmware.git
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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __NORCOW_H__
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#define __NORCOW_H__
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#include <stdint.h>
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#include "secbool.h"
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/*
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* Storage parameters
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*/
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#include "norcow_config.h"
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/*
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* Initialize storage
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*/
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void norcow_init(uint32_t *norcow_version);
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/*
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* Wipe the storage
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*/
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void norcow_wipe(void);
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/*
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* Looks for the given key, returns status of the operation
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*/
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secbool norcow_get(uint16_t key, const void **val, uint16_t *len);
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/*
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* Reads the next entry in the storage starting at offset. Returns secfalse if
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* there is none.
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*/
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secbool norcow_get_next(uint32_t *offset, uint16_t *key, const void **val,
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uint16_t *len);
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/*
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* Sets the given key, returns status of the operation. If NULL is passed
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* as val, then norcow_set allocates a new key of size len. The value should
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* then be written using norcow_update_bytes().
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*/
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secbool norcow_set(uint16_t key, const void *val, uint16_t len);
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secbool norcow_set_ex(uint16_t key, const void *val, uint16_t len,
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secbool *found);
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/*
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* Deletes the given key, returns status of the operation.
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*/
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secbool norcow_delete(uint16_t key);
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secbool norcow_set_counter(uint16_t key, uint32_t count);
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secbool norcow_next_counter(uint16_t key, uint32_t *count);
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/*
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* Update the value of the given key, data are written sequentially from start
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* Data are guaranteed to be stored on flash once the total item len is reached.
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*
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* It is only allowed to update bytes of pristine items, i.e. items that were
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* not yet set after allocating them with norcow_set(key, NULL, len).
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*/
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secbool norcow_update_bytes(const uint16_t key, const uint8_t *data,
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const uint16_t len);
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/*
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* Complete storage version upgrade
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*/
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secbool norcow_upgrade_finish(void);
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#endif
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