| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #include <fuchsia/hardware/block/c/fidl.h> |
| #include <gpt/gpt.h> |
| #include <zircon/device/block.h> |
| #include <zircon/types.h> |
| |
| // Recommended default size of the Zircon kernel partition |
| #define SZ_ZX_PART (64 * ((uint64_t)1) << 20) |
| // Recommended default size of the root partition |
| #define SZ_ROOT_PART (4 * ((uint64_t)1) << 30) |
| // Recommended minimum size of the ChromeOS state partition |
| #define MIN_SZ_STATE (5 * ((uint64_t)1) << 30) |
| |
| __BEGIN_CDECLS |
| |
| // determine if this looks like a ChromeOS partition layout |
| bool is_cros(const gpt::GptDevice* gpt); |
| |
| // We define that we're ready to pave if |
| // - ZIRCON-A, ZIRCON-B, and ZIRCON-R are present and at least sz_kern bytes |
| // - An FVM a partition is present |
| bool is_ready_to_pave(const gpt::GptDevice* gpt, const fuchsia_hardware_block_BlockInfo* block_info, |
| const uint64_t sz_kern); |
| |
| // Configure the GPT for a dual-boot of Fuchsia and ChromeOS. |
| // |
| // Partitions ZIRCON-A, ZIRCON-B, ZIRCON-R, and FVM will be created. |
| // |
| // If space is required to create the above partitions, KERN-C and ROOT-C may be |
| // deleted, and STATE may be resized. |
| // |
| // Returns ZX_OK if reconfiguration succeeds and then the GPT should be |
| // persisted. Returns ZX_ERR_BAD_STATE if the partition table can't be |
| // reconfigured. In the case of error, the GPT should NOT be written back to |
| // disk and should be discarded. |
| zx_status_t config_cros_for_fuchsia(gpt::GptDevice* gpt, |
| const fuchsia_hardware_block_BlockInfo* blk_info, |
| const uint64_t sz_kern); |
| |
| __END_CDECLS |
