xref: /freebsd/stand/efi/loader/decompress.h (revision afee781523e45198c7be0a19281bcae2c4ab66db)
1 /*
2  * Copyright (c) 2026 Netflix, Inc. Written by Warner Losh
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  */
6 
7 #pragma once
8 
9 enum compression { none, zlib, bzip2, zstd };
10 enum step_return { ok, done, err };
11 
12 typedef struct decomp_state decomp_state;
13 
14 decomp_state *decomp_init(uint8_t *buf, size_t buflen, size_t size_hint);
15 enum step_return decomp_step(decomp_state *dctx, uint8_t *buf, size_t len, size_t offset);
16 void decomp_fini(decomp_state *dctx, bool flush);
17 EFI_PHYSICAL_ADDRESS decomp_buffer(decomp_state *dctx);
18 size_t decomp_buffer_length(decomp_state *dctx);
19 
20