| /* Copyright (c) 2013 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_H_ |
| #define VBOOT_REFERENCE_CGPTLIB_H_ |
| |
| #include "sysincludes.h" |
| #include "gpt_misc.h" |
| |
| /** |
| * Provides the location of the next kernel partition, in order of decreasing |
| * priority. |
| * |
| * On return the start_sector parameter contains the LBA sector for the start |
| * of the kernel partition, and the size parameter contains the size of the |
| * kernel partition in LBA sectors. gpt.current_kernel contains the partition |
| * index of the current chromeos kernel partition. |
| * |
| * Returns GPT_SUCCESS if successful, else |
| * GPT_ERROR_NO_VALID_KERNEL, no avaliable kernel, enters recovery mode */ |
| int GptNextKernelEntry(GptData *gpt, uint64_t *start_sector, uint64_t *size); |
| |
| /** |
| * Updates the kernel entry with the specified index, using the specified type |
| * of update (GPT_UPDATE_ENTRY_*). |
| * |
| * On return the modified field may be set, if the GPT data has been modified |
| * and should be written to disk. |
| * |
| * Returns GPT_SUCCESS if successful, else |
| * GPT_ERROR_INVALID_UPDATE_TYPE, invalid 'update_type' is given. |
| */ |
| int GptUpdateKernelEntry(GptData *gpt, uint32_t update_type); |
| |
| #endif /* VBOOT_REFERENCE_CGPTLIB_H_ */ |
