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/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_
#define VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_
#include <stdint.h>
#include "cgptlib.h"
int CheckParameters(GptData *gpt);
uint32_t CheckHeaderSignature(GptData *gpt);
uint32_t CheckRevision(GptData *gpt);
uint32_t CheckSize(GptData *gpt);
uint32_t CheckReservedFields(GptData *gpt);
uint32_t CheckMyLba(GptData *gpt);
uint32_t CheckSizeOfPartitionEntry(GptData *gpt);
uint32_t CheckNumberOfEntries(GptData *gpt);
uint32_t CheckEntriesLba(GptData *gpt);
uint32_t CheckValidUsableLbas(GptData *gpt);
uint32_t CheckHeaderCrc(GptData *gpt);
uint32_t CheckEntriesCrc(GptData *gpt);
uint32_t CheckValidEntries(GptData *gpt);
typedef struct {
uint64_t starting;
uint64_t ending;
} pair_t;
int OverlappedEntries(GptEntry *entries, uint32_t number_of_entries);
uint32_t CheckOverlappedPartition(GptData *gpt);
int IsSynonymous(const GptHeader* a, const GptHeader* b);
uint8_t RepairEntries(GptData *gpt, const uint32_t valid_entries);
uint8_t RepairHeader(GptData *gpt, const uint32_t valid_headers);
void UpdateCrc(GptData *gpt);
int GptSanityCheck(GptData *gpt);
void GptRepair(GptData *gpt);
GptEntry *GetEntry(GptData *gpt, int secondary, int entry_index);
void SetPriority(GptData *gpt, int secondary, int entry_index, int priority);
int GetPriority(GptData *gpt, int secondary, int entry_index);
void SetBad(GptData *gpt, int secondary, int entry_index, int bad);
int GetBad(GptData *gpt, int secondary, int entry_index);
void SetTries(GptData *gpt, int secondary, int entry_index, int tries);
int GetTries(GptData *gpt, int secondary, int entry_index);
void SetSuccessful(GptData *gpt, int secondary, int entry_index, int success);
int GetSuccessful(GptData *gpt, int secondary, int entry_index);
/* Get number of entries value in primary header */
uint32_t GetNumberOfEntries(const GptData *gpt);
/* If gpt->current_kernel is this value, means either:
* 1. an initial value before scanning GPT entries,
* 2. after scanning, no any valid kernel is found.
*/
#define CGPT_KERNEL_ENTRY_NOT_FOUND (-1)
/* Bit definitions and masks for GPT attributes.
*
* 63 -- do not automounting
* 62 -- hidden
* 60 -- read-only
* :
* 57 -- bad kernel entry
* 56 -- success
* 55,52 -- tries
* 51,48 -- priority
* 0 -- system partition
*/
#define CGPT_ATTRIBUTE_BAD_OFFSET 57
#define CGPT_ATTRIBUTE_MAX_BAD (1ULL)
#define CGPT_ATTRIBUTE_BAD_MASK (CGPT_ATTRIBUTE_MAX_BAD << \
CGPT_ATTRIBUTE_BAD_OFFSET)
#define CGPT_ATTRIBUTE_SUCCESSFUL_OFFSET 56
#define CGPT_ATTRIBUTE_MAX_SUCCESSFUL (1ULL)
#define CGPT_ATTRIBUTE_SUCCESSFUL_MASK (CGPT_ATTRIBUTE_MAX_SUCCESSFUL << \
CGPT_ATTRIBUTE_SUCCESSFUL_OFFSET)
#define CGPT_ATTRIBUTE_TRIES_OFFSET 52
#define CGPT_ATTRIBUTE_MAX_TRIES (15ULL)
#define CGPT_ATTRIBUTE_TRIES_MASK (CGPT_ATTRIBUTE_MAX_TRIES << \
CGPT_ATTRIBUTE_TRIES_OFFSET)
#define CGPT_ATTRIBUTE_PRIORITY_OFFSET 48
#define CGPT_ATTRIBUTE_MAX_PRIORITY (15ULL)
#define CGPT_ATTRIBUTE_PRIORITY_MASK (CGPT_ATTRIBUTE_MAX_PRIORITY << \
CGPT_ATTRIBUTE_PRIORITY_OFFSET)
#endif /* VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ */
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