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