fs/erofs: add lz4 decompression support
[platform/kernel/u-boot.git] / fs / erofs / decompress.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 #ifndef __EROFS_DECOMPRESS_H
3 #define __EROFS_DECOMPRESS_H
4
5 #include "internal.h"
6
7 struct z_erofs_decompress_req {
8         char *in, *out;
9
10         /*
11          * initial decompressed bytes that need to be skipped
12          * when finally copying to output buffer
13          */
14         unsigned int decodedskip;
15         unsigned int inputsize, decodedlength;
16
17         /* indicate the algorithm will be used for decompression */
18         unsigned int alg;
19         bool partial_decoding;
20 };
21
22 int z_erofs_decompress(struct z_erofs_decompress_req *rq);
23
24 #endif