219d14fe5f
Executive is a library that can be used by standalone applications and kernels to abstract access to Octeon SoC and board-specific hardware and facilities. The FreeBSD port to Octeon will be updated to use this where possible.
248 lines
7.6 KiB
C
248 lines
7.6 KiB
C
/***********************license start***************
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* Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
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* reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* 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 Networks nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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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 NETWORKS 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) WARRANTIES
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* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
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* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
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* POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
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* OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
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*
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*
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* For any questions regarding licensing please contact marketing@caviumnetworks.com
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*
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***********************license end**************************************/
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/**
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* @file
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*
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* Header file for the zip (deflate) block
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*
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* <hr>$Revision: 41586 $<hr>
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*/
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#ifndef __CVMX_ZIP_H__
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#define __CVMX_ZIP_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef union {
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uint64_t u64;
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struct {
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t unused : 5;
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uint64_t full_block_write : 1;
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uint64_t no_l2_alloc : 1;
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uint64_t little_endian : 1;
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uint64_t length : 16;
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uint64_t ptr : 40;
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#else
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uint64_t ptr : 40;
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uint64_t length : 16;
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uint64_t little_endian : 1;
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uint64_t no_l2_alloc : 1;
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uint64_t full_block_write : 1;
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uint64_t unused : 5;
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#endif
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} s;
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} cvmx_zip_ptr_t;
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#define CVMX_ZIP_PTR_MAX_LEN ((1 << 16) - 1)
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typedef enum {
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CVMX_ZIP_COMPLETION_NOTDONE = 0,
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CVMX_ZIP_COMPLETION_SUCCESS = 1,
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CVMX_ZIP_COMPLETION_OTRUNC = 2,
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CVMX_ZIP_COMPLETION_STOP = 3,
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CVMX_ZIP_COMPLETION_ITRUNC = 4,
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CVMX_ZIP_COMPLETION_RBLOCK = 5,
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CVMX_ZIP_COMPLETION_NLEN = 6,
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CVMX_ZIP_COMPLETION_BADCODE = 7,
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CVMX_ZIP_COMPLETION_BADCODE2 = 8,
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CVMX_ZIP_COMPLETION_ZERO_LEN = 9,
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CVMX_ZIP_COMPLETION_PARITY = 10
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} cvmx_zip_completion_code_t;
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typedef union {
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uint64_t u64[3];
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struct {
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// WORD 0
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t crc32 : 32;
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uint64_t adler : 32;
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#else
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uint64_t adler : 32;
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uint64_t crc32 : 32;
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#endif
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// WORD 1
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t totalbyteswritten : 32;
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uint64_t totalbytesread : 32;
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#else
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uint64_t totalbytesread : 32;
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uint64_t totalbyteswritten : 32;
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#endif
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// WORD 2
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t totalbitsprocessed : 32; // decompression only
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uint64_t unused20 : 5;
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uint64_t exnum : 3; // compression only
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uint64_t unused21 : 1;
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uint64_t exbits : 7; // compression only
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uint64_t unused22 : 7;
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uint64_t eof : 1; // decompression only
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cvmx_zip_completion_code_t completioncode : 8; // If polling, SW should set this to zero and wait for non-zero
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#else
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cvmx_zip_completion_code_t completioncode : 8; // If polling, SW should set this to zero and wait for non-zero
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uint64_t eof : 1; // decompression only
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uint64_t unused22 : 7;
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uint64_t exbits : 7; // compression only
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uint64_t unused21 : 1;
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uint64_t exnum : 3; // compression only
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uint64_t unused20 : 5;
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uint64_t totalbitsprocessed : 32; // decompression only
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#endif
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} s;
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} cvmx_zip_result_t;
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typedef union {
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uint64_t u64[8];
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struct {
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// WORD 0
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t unused00 : 8;
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uint64_t totaloutputlength : 24;
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uint64_t unused01 : 5;
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uint64_t exnum : 3;
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uint64_t unused02 : 1;
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uint64_t exbits : 7;
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uint64_t unused03 : 6;
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uint64_t speed : 1;
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uint64_t forcefixed : 1;
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uint64_t forcedynamic : 1;
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uint64_t eof : 1;
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uint64_t bof : 1;
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uint64_t compress : 1;
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uint64_t unused04 : 1;
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uint64_t dscatter : 1;
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uint64_t dgather : 1;
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uint64_t hgather : 1;
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#else
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uint64_t hgather : 1;
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uint64_t dgather : 1;
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uint64_t dscatter : 1;
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uint64_t unused04 : 1;
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uint64_t compress : 1;
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uint64_t bof : 1;
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uint64_t eof : 1;
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uint64_t forcedynamic : 1;
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uint64_t forcefixed : 1;
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uint64_t speed : 1;
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uint64_t unused03 : 6;
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uint64_t exbits : 7;
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uint64_t unused02 : 1;
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uint64_t exnum : 3;
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uint64_t unused01 : 5;
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uint64_t totaloutputlength : 24;
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uint64_t unused00 : 8;
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#endif
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// WORD 1
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#if __BYTE_ORDER == __BIG_ENDIAN
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uint64_t historylength : 16;
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uint64_t unused10 : 16;
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uint64_t adler32 : 32;
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#else
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uint64_t adler32 : 32;
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uint64_t unused10 : 16;
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uint64_t historylength : 16;
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#endif
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// WORD 2
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cvmx_zip_ptr_t ctx_ptr;
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// WORD 3
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cvmx_zip_ptr_t hist_ptr;
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// WORD 4
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cvmx_zip_ptr_t in_ptr;
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// WORD 5
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cvmx_zip_ptr_t out_ptr;
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// WORD 6
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cvmx_zip_ptr_t result_ptr;
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// WORD 7
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cvmx_zip_ptr_t wq_ptr;
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} s;
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} cvmx_zip_command_t;
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/**
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* Initialize the ZIP block
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*
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* @return Zero on success, negative on failure
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*/
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int cvmx_zip_initialize(void);
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/**
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* Shutdown the ZIP block. ZIP must be idle when
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* this function is called.
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*
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* @return Zero on success, negative on failure
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*/
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int cvmx_zip_shutdown(void);
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/**
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* Submit a command to the ZIP block
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*
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* @param command Zip command to submit
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*
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* @return Zero on success, negative on failure
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*/
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int cvmx_zip_submit(cvmx_zip_command_t *command);
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/* CSR typedefs have been moved to cvmx-csr-*.h */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CVMX_ZIP_H__ */
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