xref: /freebsd/stand/efi/loader/decompress.h (revision afee781523e45198c7be0a19281bcae2c4ab66db)
1*afee7815SWarner Losh /*
2*afee7815SWarner Losh  * Copyright (c) 2026 Netflix, Inc. Written by Warner Losh
3*afee7815SWarner Losh  *
4*afee7815SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
5*afee7815SWarner Losh  */
6*afee7815SWarner Losh 
7*afee7815SWarner Losh #pragma once
8*afee7815SWarner Losh 
9*afee7815SWarner Losh enum compression { none, zlib, bzip2, zstd };
10*afee7815SWarner Losh enum step_return { ok, done, err };
11*afee7815SWarner Losh 
12*afee7815SWarner Losh typedef struct decomp_state decomp_state;
13*afee7815SWarner Losh 
14*afee7815SWarner Losh decomp_state *decomp_init(uint8_t *buf, size_t buflen, size_t size_hint);
15*afee7815SWarner Losh enum step_return decomp_step(decomp_state *dctx, uint8_t *buf, size_t len, size_t offset);
16*afee7815SWarner Losh void decomp_fini(decomp_state *dctx, bool flush);
17*afee7815SWarner Losh EFI_PHYSICAL_ADDRESS decomp_buffer(decomp_state *dctx);
18*afee7815SWarner Losh size_t decomp_buffer_length(decomp_state *dctx);
19*afee7815SWarner Losh 
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