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222 lines
6.7 KiB
222 lines
6.7 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 __COMMON_H__ |
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#define __COMMON_H__ |
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#include <linux/delay.h> |
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#include <linux/init.h> |
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#include <linux/interrupt.h> |
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#include <linux/io.h> |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/pci.h> |
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#include <linux/seq_file.h> |
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#include <linux/string.h> |
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#include <linux/types.h> |
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/* Device specific zlib function definitions */ |
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#include "zip_device.h" |
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/* ZIP device definitions */ |
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#include "zip_main.h" |
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/* ZIP memory allocation/deallocation related definitions */ |
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#include "zip_mem.h" |
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/* Device specific structure definitions */ |
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#include "zip_regs.h" |
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#define ZIP_ERROR -1 |
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#define ZIP_FLUSH_FINISH 4 |
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#define RAW_FORMAT 0 /* for rawpipe */ |
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#define ZLIB_FORMAT 1 /* for zpipe */ |
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#define GZIP_FORMAT 2 /* for gzpipe */ |
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#define LZS_FORMAT 3 /* for lzspipe */ |
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/* Max number of ZIP devices supported */ |
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#define MAX_ZIP_DEVICES 2 |
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/* Configures the number of zip queues to be used */ |
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#define ZIP_NUM_QUEUES 2 |
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#define DYNAMIC_STOP_EXCESS 1024 |
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/* Maximum buffer sizes in direct mode */ |
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#define MAX_INPUT_BUFFER_SIZE (64 * 1024) |
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#define MAX_OUTPUT_BUFFER_SIZE (64 * 1024) |
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/** |
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* struct zip_operation - common data structure for comp and decomp operations |
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* @input: Next input byte is read from here |
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* @output: Next output byte written here |
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* @ctx_addr: Inflate context buffer address |
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* @history: Pointer to the history buffer |
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* @input_len: Number of bytes available at next_in |
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* @input_total_len: Total number of input bytes read |
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* @output_len: Remaining free space at next_out |
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* @output_total_len: Total number of bytes output so far |
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* @csum: Checksum value of the uncompressed data |
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* @flush: Flush flag |
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* @format: Format (depends on stream's wrap) |
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* @speed: Speed depends on stream's level |
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* @ccode: Compression code ( stream's strategy) |
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* @lzs_flag: Flag for LZS support |
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* @begin_file: Beginning of file indication for inflate |
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* @history_len: Size of the history data |
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* @end_file: Ending of the file indication for inflate |
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* @compcode: Completion status of the ZIP invocation |
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* @bytes_read: Input bytes read in current instruction |
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* @bits_processed: Total bits processed for entire file |
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* @sizeofptr: To distinguish between ILP32 and LP64 |
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* @sizeofzops: Optional just for padding |
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* |
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* This structure is used to maintain the required meta data for the |
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* comp and decomp operations. |
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*/ |
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struct zip_operation { |
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u8 *input; |
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u8 *output; |
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u64 ctx_addr; |
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u64 history; |
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u32 input_len; |
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u32 input_total_len; |
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u32 output_len; |
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u32 output_total_len; |
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u32 csum; |
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u32 flush; |
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u32 format; |
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u32 speed; |
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u32 ccode; |
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u32 lzs_flag; |
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u32 begin_file; |
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u32 history_len; |
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u32 end_file; |
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u32 compcode; |
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u32 bytes_read; |
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u32 bits_processed; |
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u32 sizeofptr; |
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u32 sizeofzops; |
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}; |
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static inline int zip_poll_result(union zip_zres_s *result) |
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{ |
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int retries = 1000; |
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while (!result->s.compcode) { |
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if (!--retries) { |
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pr_err("ZIP ERR: request timed out"); |
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return -ETIMEDOUT; |
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} |
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udelay(10); |
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/* |
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* Force re-reading of compcode which is updated |
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* by the ZIP coprocessor. |
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*/ |
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rmb(); |
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} |
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return 0; |
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} |
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/* error messages */ |
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#define zip_err(fmt, args...) pr_err("ZIP ERR:%s():%d: " \ |
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fmt "\n", __func__, __LINE__, ## args) |
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#ifdef MSG_ENABLE |
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/* Enable all messages */ |
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#define zip_msg(fmt, args...) pr_info("ZIP_MSG:" fmt "\n", ## args) |
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#else |
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#define zip_msg(fmt, args...) |
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#endif |
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#if defined(ZIP_DEBUG_ENABLE) && defined(MSG_ENABLE) |
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#ifdef DEBUG_LEVEL |
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#define FILE_NAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : \ |
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strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__) |
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#if DEBUG_LEVEL >= 4 |
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#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \ |
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fmt "\n", FILE_NAME, __func__, __LINE__, ## args) |
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#elif DEBUG_LEVEL >= 3 |
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#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \ |
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fmt "\n", FILE_NAME, __func__, __LINE__, ## args) |
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#elif DEBUG_LEVEL >= 2 |
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#define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s() : %d: " \ |
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fmt "\n", __func__, __LINE__, ## args) |
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#else |
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#define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args) |
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#endif /* DEBUG LEVEL >=4 */ |
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#else |
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#define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args) |
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#endif /* DEBUG_LEVEL */ |
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#else |
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#define zip_dbg(fmt, args...) |
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#endif /* ZIP_DEBUG_ENABLE && MSG_ENABLE*/ |
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#endif
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