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/***********************license start************************************
* Copyright (c) 2003-2017 Cavium, Inc.
* All rights reserved.
*
* License: one of 'Cavium License' or 'GNU General Public License Version 2'
*
* This file is provided under the terms of the Cavium License (see below)
* or under the terms of GNU General Public License, Version 2, as
* published by the Free Software Foundation. When using or redistributing
* this file, you may do so under either license.
*
* Cavium License: Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Cavium Inc. nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This Software, including technical data, may be subject to U.S. export
* control laws, including the U.S. Export Administration Act and its
* associated regulations, and may be subject to export or import
* regulations in other countries.
*
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS
* OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
* RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY)
* WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A
* PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET
* ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE
* ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES
* WITH YOU.
***********************license end**************************************/
#ifndef __ZIP_DEVICE_H__
#define __ZIP_DEVICE_H__
#include <linux/types.h>
#include "zip_main.h"
struct sg_info {
/*
* Pointer to the input data when scatter_gather == 0 and
* pointer to the input gather list buffer when scatter_gather == 1
*/
union zip_zptr_s *gather;
/*
* Pointer to the output data when scatter_gather == 0 and
* pointer to the output scatter list buffer when scatter_gather == 1
*/
union zip_zptr_s *scatter;
/*
* Holds size of the output buffer pointed by scatter list
* when scatter_gather == 1
*/
u64 scatter_buf_size;
/* for gather data */
u64 gather_enable;
/* for scatter data */
u64 scatter_enable;
/* Number of gather list pointers for gather data */
u32 gbuf_cnt;
/* Number of scatter list pointers for scatter data */
u32 sbuf_cnt;
/* Buffers allocation state */
u8 alloc_state;
};
/**
* struct zip_state - Structure representing the required information related
* to a command
* @zip_cmd: Pointer to zip instruction structure
* @result: Pointer to zip result structure
* @ctx: Context pointer for inflate
* @history: Decompression history pointer
* @sginfo: Scatter-gather info structure
*/
struct zip_state {
union zip_inst_s zip_cmd;
union zip_zres_s result;
union zip_zptr_s *ctx;
union zip_zptr_s *history;
struct sg_info sginfo;
};
#define ZIP_CONTEXT_SIZE 2048
#define ZIP_INFLATE_HISTORY_SIZE 32768
#define ZIP_DEFLATE_HISTORY_SIZE 32768
#endif
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