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| 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
| 3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
| 4 */ | 4 */ |
| 5 | 5 |
| 6 #ifndef VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ | 6 #ifndef VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ |
| 7 #define VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ | 7 #define VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ |
| 8 | 8 |
| 9 #include "sysincludes.h" | 9 #include "sysincludes.h" |
| 10 #include "cgptlib.h" | 10 #include "cgptlib.h" |
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| 76 * | 76 * |
| 77 * Returns 0 if header is valid, 1 if invalid. */ | 77 * Returns 0 if header is valid, 1 if invalid. */ |
| 78 int CheckHeader(GptHeader* h, int is_secondary, uint64_t drive_sectors); | 78 int CheckHeader(GptHeader* h, int is_secondary, uint64_t drive_sectors); |
| 79 | 79 |
| 80 /* Calculate and return the header CRC. */ | 80 /* Calculate and return the header CRC. */ |
| 81 uint32_t HeaderCrc(GptHeader* h); | 81 uint32_t HeaderCrc(GptHeader* h); |
| 82 | 82 |
| 83 /* Check entries. | 83 /* Check entries. |
| 84 * | 84 * |
| 85 * Returns 0 if entries are valid, 1 if invalid. */ | 85 * Returns 0 if entries are valid, 1 if invalid. */ |
| 86 int CheckEntries(GptEntry* entries, GptHeader* h, uint64_t drive_sectors); | 86 int CheckEntries(GptEntry* entries, GptHeader* h); |
| 87 | 87 |
| 88 /* Check GptData, headers, entries. | 88 /* Check GptData, headers, entries. |
| 89 * | 89 * |
| 90 * If successful, sets gpt->valid_headers and gpt->valid_entries and returns | 90 * If successful, sets gpt->valid_headers and gpt->valid_entries and returns |
| 91 * GPT_SUCCESS. | 91 * GPT_SUCCESS. |
| 92 * | 92 * |
| 93 * On error, returns a GPT_ERROR_* return code. */ | 93 * On error, returns a GPT_ERROR_* return code. */ |
| 94 int GptSanityCheck(GptData* gpt); | 94 int GptSanityCheck(GptData* gpt); |
| 95 | 95 |
| 96 /* Repairs GPT data by copying from one set of valid headers/entries to the | 96 /* Repairs GPT data by copying from one set of valid headers/entries to the |
| 97 * other. Assumes GptSanityCheck() has been run to determine which headers | 97 * other. Assumes GptSanityCheck() has been run to determine which headers |
| 98 * and/or entries are already valid. */ | 98 * and/or entries are already valid. */ |
| 99 void GptRepair(GptData* gpt); | 99 void GptRepair(GptData* gpt); |
| 100 | 100 |
| 101 /* Getters and setters for partition attribute fields. */ | 101 /* Getters and setters for partition attribute fields. */ |
| 102 int GetEntrySuccessful(const GptEntry* e); | 102 int GetEntrySuccessful(const GptEntry* e); |
| 103 int GetEntryPriority(const GptEntry* e); | 103 int GetEntryPriority(const GptEntry* e); |
| 104 int GetEntryTries(const GptEntry* e); | 104 int GetEntryTries(const GptEntry* e); |
| 105 void SetEntrySuccessful(GptEntry* e, int successful); | 105 void SetEntrySuccessful(GptEntry* e, int successful); |
| 106 void SetEntryPriority(GptEntry* e, int priority); | 106 void SetEntryPriority(GptEntry* e, int priority); |
| 107 void SetEntryTries(GptEntry* e, int tries); | 107 void SetEntryTries(GptEntry* e, int tries); |
| 108 | 108 |
| 109 /* Return 1 if the entry is unused, 0 if it is used. */ | 109 /* Return 1 if the entry is unused, 0 if it is used. */ |
| 110 int IsUnusedEntry(const GptEntry* e); | 110 int IsUnusedEntry(const GptEntry* e); |
| 111 | 111 |
| 112 /* Returns 1 if the entry is a Chrome OS kernel partition, else 0. */ | 112 /* Returns 1 if the entry is a Chrome OS kernel partition, else 0. */ |
| 113 int IsKernelEntry(const GptEntry* e); | 113 int IsKernelEntry(const GptEntry* e); |
| 114 | 114 |
| 115 #endif /* VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ */ | 115 #endif /* VBOOT_REFERENCE_CGPTLIB_INTERNAL_H_ */ |
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