| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (C) 2018 Chelsio Communications. All rights reserved. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __CUDBG_ZLIB_H__ |
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| 7 | #define __CUDBG_ZLIB_H__ |
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| 8 | |
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| 9 | #include <linux/zlib.h> |
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| 10 | |
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| 11 | #define CUDBG_ZLIB_COMPRESS_ID 17 |
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| 12 | #define CUDBG_ZLIB_WIN_BITS 12 |
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| 13 | #define CUDBG_ZLIB_MEM_LVL 4 |
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| 14 | |
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| 15 | struct cudbg_compress_hdr { |
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| 16 | u32 compress_id; |
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| 17 | u64 decompress_size; |
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| 18 | u64 compress_size; |
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| 19 | u64 rsvd[32]; |
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| 20 | }; |
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| 21 | |
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| 22 | static inline int cudbg_get_workspace_size(void) |
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| 23 | { |
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| 24 | return zlib_deflate_workspacesize(CUDBG_ZLIB_WIN_BITS, |
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| 25 | CUDBG_ZLIB_MEM_LVL); |
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| 26 | } |
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| 27 | |
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| 28 | int cudbg_compress_buff(struct cudbg_init *pdbg_init, |
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| 29 | struct cudbg_buffer *pin_buff, |
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| 30 | struct cudbg_buffer *pout_buff); |
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| 31 | #endif /* __CUDBG_ZLIB_H__ */ |
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| 32 | |
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