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b4c205bf51
If flash is being written, any pending hash calculation is likely to be invalid. BRANCH=None BUG=chrome-os-partner:38103 TEST=on Cyan, run hundreds of flashrom cycles to make sure there are no read, erase or write errors Change-Id: I915f8db7998c56fc12e7d85173232882fb7ed80d Signed-off-by: Divya Jyothi <divya.jyothi@intel.com> Reviewed-on: https://chromium-review.googlesource.com/282211 Reviewed-by: Shawn N <shawnn@chromium.org> Commit-Queue: Bernie Thompson <bhthompson@chromium.org> Tested-by: Bernie Thompson <bhthompson@chromium.org>
36 lines
887 B
C
36 lines
887 B
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Verified boot hashing memory module for Chrome EC */
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#ifndef __CROS_EC_VBOOT_HASH_H
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#define __CROS_EC_VBOOT_HASH_H
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#include "common.h"
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/**
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* Invalidate the hash if the hashed data overlaps the specified region.
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*
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* @param offset Region start offset in flash
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* @param size Size of region in bytes
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*
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* @return non-zero if the region overlapped the hashed region.
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*/
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int vboot_hash_invalidate(int offset, int size);
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/**
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* Get vboot progress status.
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*
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* @return 1 if vboot hashing is in progress, 0 otherwise.
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*/
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int vboot_hash_in_progress(void);
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/**
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* Abort hash currently in progress, and invalidate any completed hash.
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*/
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void vboot_hash_abort(void);
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#endif /* __CROS_EC_VBOOT_HASH_H */
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