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56 lines
1.6 KiB
56 lines
1.6 KiB
/* Copyright (c) 2013 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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* Access to portions of the firmware image, perhaps later to be expanded
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* to other devices.
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*/
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#ifndef VBOOT_REFERENCE_REGION_H_
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#define VBOOT_REFERENCE_REGION_H_
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#include "bmpblk_header.h"
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#include "gbb_header.h"
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#include "vboot_api.h"
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#include "vboot_struct.h"
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/* The maximum length of a hardware ID */
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#define VB_REGION_HWID_LEN 256
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/**
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* Read data from a region
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*
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* @param cparams Vboot common parameters
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* @param region Region number to read
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* @param offset Offset within region to start reading
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* @param size Size of data to read
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* @param buf Buffer to put the data into
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* @return VBERROR_... error, VBERROR_SUCCESS on success,
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*/
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VbError_t VbRegionReadData(VbCommonParams *cparams,
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enum vb_firmware_region region, uint32_t offset,
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uint32_t size, void *buf);
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/**
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* Check the version of the GBB and print debug information if valid
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*
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* @param cparams Vboot common parameters
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*/
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void VbRegionCheckVersion(VbCommonParams *cparams);
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/**
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* Read the hardware ID from the GBB
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*
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* @param cparams Vboot common parameters
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* @param hwid Place to put HWID, which will be null-terminated
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* @param max_size Maximum size of HWID including terminated null
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* character (suggest VB_REGION_HWID_LEN). If this size
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* it too small then VBERROR_INVALID_PARAMETER is
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* returned.
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* @return VBERROR_... error, VBERROR_SUCCESS on success,
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*/
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VbError_t VbRegionReadHWID(VbCommonParams *cparams, char *hwid,
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uint32_t max_size);
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#endif /* VBOOT_REFERENCE_REGION_H_ */
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