mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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/*
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* Copyright (c) 2019-2020 shchmue
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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/*
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ISC License
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hactool Copyright (c) 2018, SciresM
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _CACHED_STORAGE_H_
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#define _CACHED_STORAGE_H_
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#include "storage.h"
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#include <utils/list.h>
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#include <utils/types.h>
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#include <stdint.h>
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typedef struct {
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uint64_t index;
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uint8_t *buffer;
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uint32_t length;
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bool dirty;
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link_t link;
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} cache_block_t;
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typedef struct {
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substorage base_storage;
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uint32_t block_size;
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uint64_t length;
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uint32_t cache_size;
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link_t blocks;
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} cached_storage_ctx_t;
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void save_cached_storage_init(cached_storage_ctx_t *ctx, substorage *base_storage, uint32_t block_size, uint32_t cache_size);
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void save_cached_storage_init_from_sector_storage(cached_storage_ctx_t *ctx, sector_storage *base_storage, uint32_t cache_size);
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void save_cached_storage_finalize(cached_storage_ctx_t *ctx);
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uint32_t save_cached_storage_read(cached_storage_ctx_t *ctx, void *buffer, uint64_t offset, uint64_t count);
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uint32_t save_cached_storage_write(cached_storage_ctx_t *ctx, const void *buffer, uint64_t offset, uint64_t count);
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bool save_cached_storage_flush(cached_storage_ctx_t *ctx);
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#endif
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