162306a36Sopenharmony_ci/* infutil.h -- types and macros common to blocks and codes 262306a36Sopenharmony_ci * Copyright (C) 1995-1998 Mark Adler 362306a36Sopenharmony_ci * For conditions of distribution and use, see copyright notice in zlib.h 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci/* WARNING: this file should *not* be used by applications. It is 762306a36Sopenharmony_ci part of the implementation of the compression library and is 862306a36Sopenharmony_ci subject to change. Applications should only use zlib.h. 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifndef _INFUTIL_H 1262306a36Sopenharmony_ci#define _INFUTIL_H 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include <linux/zlib.h> 1562306a36Sopenharmony_ci#ifdef CONFIG_ZLIB_DFLTCC 1662306a36Sopenharmony_ci#include "../zlib_dfltcc/dfltcc.h" 1762306a36Sopenharmony_ci#include <asm/page.h> 1862306a36Sopenharmony_ci#endif 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci/* memory allocation for inflation */ 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_cistruct inflate_workspace { 2362306a36Sopenharmony_ci struct inflate_state inflate_state; 2462306a36Sopenharmony_ci#ifdef CONFIG_ZLIB_DFLTCC 2562306a36Sopenharmony_ci struct dfltcc_state dfltcc_state; 2662306a36Sopenharmony_ci unsigned char working_window[(1 << MAX_WBITS) + PAGE_SIZE]; 2762306a36Sopenharmony_ci#else 2862306a36Sopenharmony_ci unsigned char working_window[(1 << MAX_WBITS)]; 2962306a36Sopenharmony_ci#endif 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci#ifdef CONFIG_ZLIB_DFLTCC 3362306a36Sopenharmony_ci/* dfltcc_state must be doubleword aligned for DFLTCC call */ 3462306a36Sopenharmony_cistatic_assert(offsetof(struct inflate_workspace, dfltcc_state) % 8 == 0); 3562306a36Sopenharmony_ci#endif 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci#define WS(strm) ((struct inflate_workspace *)(strm->workspace)) 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ci#endif 40