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/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
* 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 Networks 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 NETWORKS 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
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* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* @file
*
* Header file for the zip (deflate) block
*
* <hr>$Revision: 49448 $<hr>
*/
#ifndef __CVMX_ZIP_H__
#define __CVMX_ZIP_H__
#ifdef __cplusplus
extern "C" {
#endif
typedef union {
uint64_t u64;
struct {
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t unused : 5;
uint64_t full_block_write : 1;
uint64_t no_l2_alloc : 1;
uint64_t little_endian : 1;
uint64_t length : 16;
uint64_t ptr : 40;
#else
uint64_t ptr : 40;
uint64_t length : 16;
uint64_t little_endian : 1;
uint64_t no_l2_alloc : 1;
uint64_t full_block_write : 1;
uint64_t unused : 5;
#endif
} s;
} cvmx_zip_ptr_t;
#define CVMX_ZIP_PTR_MAX_LEN ((1 << 16) - 1)
typedef enum {
CVMX_ZIP_COMPLETION_NOTDONE = 0,
CVMX_ZIP_COMPLETION_SUCCESS = 1,
CVMX_ZIP_COMPLETION_OTRUNC = 2,
CVMX_ZIP_COMPLETION_STOP = 3,
CVMX_ZIP_COMPLETION_ITRUNC = 4,
CVMX_ZIP_COMPLETION_RBLOCK = 5,
CVMX_ZIP_COMPLETION_NLEN = 6,
CVMX_ZIP_COMPLETION_BADCODE = 7,
CVMX_ZIP_COMPLETION_BADCODE2 = 8,
CVMX_ZIP_COMPLETION_ZERO_LEN = 9,
CVMX_ZIP_COMPLETION_PARITY = 10,
CVMX_ZIP_COMPLETION_FATAL = 11
} cvmx_zip_completion_code_t;
typedef union {
uint64_t u64[3];
struct {
// WORD 0
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t crc32 : 32;
uint64_t adler : 32;
#else
uint64_t adler : 32;
uint64_t crc32 : 32;
#endif
// WORD 1
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t totalbyteswritten : 32;
uint64_t totalbytesread : 32;
#else
uint64_t totalbytesread : 32;
uint64_t totalbyteswritten : 32;
#endif
// WORD 2
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t totalbitsprocessed : 32; // decompression only
uint64_t unused20 : 5;
uint64_t exnum : 3; // compression only
uint64_t unused21 : 1;
uint64_t exbits : 7; // compression only
uint64_t unused22 : 7;
uint64_t eof : 1; // decompression only
cvmx_zip_completion_code_t completioncode : 8; // If polling, SW should set this to zero and wait for non-zero
#else
cvmx_zip_completion_code_t completioncode : 8; // If polling, SW should set this to zero and wait for non-zero
uint64_t eof : 1; // decompression only
uint64_t unused22 : 7;
uint64_t exbits : 7; // compression only
uint64_t unused21 : 1;
uint64_t exnum : 3; // compression only
uint64_t unused20 : 5;
uint64_t totalbitsprocessed : 32; // decompression only
#endif
} s;
} cvmx_zip_result_t;
typedef union {
uint64_t u64[8];
struct {
// WORD 0
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t unused00 : 8;
uint64_t totaloutputlength : 24;
uint64_t unused01 : 5;
uint64_t exnum : 3;
uint64_t unused02 : 1;
uint64_t exbits : 7;
uint64_t unused03 : 6;
uint64_t speed : 1;
uint64_t forcefixed : 1;
uint64_t forcedynamic : 1;
uint64_t eof : 1;
uint64_t bof : 1;
uint64_t compress : 1;
uint64_t unused04 : 1;
uint64_t dscatter : 1;
uint64_t dgather : 1;
uint64_t hgather : 1;
#else
uint64_t hgather : 1;
uint64_t dgather : 1;
uint64_t dscatter : 1;
uint64_t unused04 : 1;
uint64_t compress : 1;
uint64_t bof : 1;
uint64_t eof : 1;
uint64_t forcedynamic : 1;
uint64_t forcefixed : 1;
uint64_t speed : 1;
uint64_t unused03 : 6;
uint64_t exbits : 7;
uint64_t unused02 : 1;
uint64_t exnum : 3;
uint64_t unused01 : 5;
uint64_t totaloutputlength : 24;
uint64_t unused00 : 8;
#endif
// WORD 1
#if __BYTE_ORDER == __BIG_ENDIAN
uint64_t historylength : 16;
uint64_t unused10 : 16;
uint64_t adler32 : 32;
#else
uint64_t adler32 : 32;
uint64_t unused10 : 16;
uint64_t historylength : 16;
#endif
// WORD 2
cvmx_zip_ptr_t ctx_ptr;
// WORD 3
cvmx_zip_ptr_t hist_ptr;
// WORD 4
cvmx_zip_ptr_t in_ptr;
// WORD 5
cvmx_zip_ptr_t out_ptr;
// WORD 6
cvmx_zip_ptr_t result_ptr;
// WORD 7
cvmx_zip_ptr_t wq_ptr;
} s;
} cvmx_zip_command_t;
/**
* Initialize the ZIP block
*
* @return Zero on success, negative on failure
*/
int cvmx_zip_initialize(void);
/**
* Shutdown the ZIP block. ZIP must be idle when
* this function is called.
*
* @return Zero on success, negative on failure
*/
int cvmx_zip_shutdown(void);
/**
* Submit a command to the ZIP block
*
* @param command Zip command to submit
*
* @return Zero on success, negative on failure
*/
int cvmx_zip_submit(cvmx_zip_command_t *command);
/* CSR typedefs have been moved to cvmx-zip-defs.h */
#ifdef __cplusplus
}
#endif
#endif /* __CVMX_ZIP_H__ */