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1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <inttypes.h>
20 
21 #include <string>
22 
23 #include <android-base/result.h>
24 #include <android-base/unique_fd.h>
25 
26 // Replace the vendor ramdisk named |ramdisk_name| within the vendor boot image,
27 // specified by |vendor_boot_fd|, with the ramdisk specified by |new_ramdisk_fd|. Checks
28 // that the size of the files are |vendor_boot_size| and |new_ramdisk_size|, respectively.
29 // If |ramdisk_name| is "default", replace the vendor ramdisk as a whole. Otherwise, replace
30 // a vendor ramdisk fragment with the given unique name.
31 [[nodiscard]] android::base::Result<void> replace_vendor_ramdisk(
32         android::base::borrowed_fd vendor_boot_fd, uint64_t vendor_boot_size,
33         const std::string& ramdisk_name, android::base::borrowed_fd new_ramdisk_fd,
34         uint64_t new_ramdisk_size);
35