blob: 625cdd8b9b870869d4e35bc5e4db13190c0fef59 [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <stdint.h>
namespace cuttlefish {
// Keep the full disk size a multiple of 64k, for crosvm's virtio_blk driver
constexpr int DISK_SIZE_SHIFT = 16;
// Keep all partitions 4k aligned, for host performance reasons
constexpr int PARTITION_SIZE_SHIFT = 12;
// Returns the smallest multiple of 2^align_log greater than or equal to val.
uint64_t AlignToPowerOf2(uint64_t val, uint8_t align_log);
} // namespace cuttlefish