1 /* 2 * Copyright (C) 2018 Chelsio Communications. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * The full GNU General Public License is included in this distribution in 14 * the file called "COPYING". 15 * 16 */ 17 18 #ifndef __CUDBG_ZLIB_H__ 19 #define __CUDBG_ZLIB_H__ 20 21 #include <linux/zlib.h> 22 23 #define CUDBG_ZLIB_COMPRESS_ID 17 24 #define CUDBG_ZLIB_WIN_BITS 12 25 #define CUDBG_ZLIB_MEM_LVL 4 26 27 struct cudbg_compress_hdr { 28 u32 compress_id; 29 u64 decompress_size; 30 u64 compress_size; 31 u64 rsvd[32]; 32 }; 33 34 static inline int cudbg_get_workspace_size(void) 35 { 36 return zlib_deflate_workspacesize(CUDBG_ZLIB_WIN_BITS, 37 CUDBG_ZLIB_MEM_LVL); 38 } 39 40 int cudbg_compress_buff(struct cudbg_init *pdbg_init, 41 struct cudbg_buffer *pin_buff, 42 struct cudbg_buffer *pout_buff); 43 #endif /* __CUDBG_ZLIB_H__ */ 44