drivers/crypto/cavium/zip/common.h

   1 /***********************license start************************************
   2  * Copyright (c) 2003-2017 Cavium, Inc.
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  45
  46 #ifndef __COMMON_H__
  47 #define __COMMON_H__
  48
  49 #include <linux/init.h>
  50 #include <linux/interrupt.h>
  51 #include <linux/kernel.h>
  52 #include <linux/module.h>
  53 #include <linux/pci.h>
  54 #include <linux/seq_file.h>
  55 #include <linux/string.h>
  56 #include <linux/types.h>
  57 #include <linux/version.h>
  58
  59 /* Device specific zlib function definitions */
  60 #include "zip_device.h"
  61
  62 /* ZIP device definitions */
  63 #include "zip_main.h"
  64
  65 /* ZIP memory allocation/deallocation related definitions */
  66 #include "zip_mem.h"
  67
  68 /* Device specific structure definitions */
  69 #include "zip_regs.h"
  70
  71 #define ZIP_ERROR    -1
  72
  73 #define ZIP_FLUSH_FINISH  4
  74
  75 #define RAW_FORMAT              0  /* for rawpipe */
  76 #define ZLIB_FORMAT             1  /* for zpipe */
  77 #define GZIP_FORMAT             2  /* for gzpipe */
  78 #define LZS_FORMAT              3  /* for lzspipe */
  79
  80 /* Max number of ZIP devices supported */
  81 #define MAX_ZIP_DEVICES         2
  82
  83 /* Configures the number of zip queues to be used */
  84 #define ZIP_NUM_QUEUES          2
  85
  86 #define DYNAMIC_STOP_EXCESS     1024
  87
  88 /* Maximum buffer sizes in direct mode */
  89 #define MAX_INPUT_BUFFER_SIZE   (64 * 1024)
  90 #define MAX_OUTPUT_BUFFER_SIZE  (64 * 1024)
  91
  92 /**
  93  * struct zip_operation - common data structure for comp and decomp operations
  94  * @input:               Next input byte is read from here
  95  * @output:              Next output byte written here
  96  * @ctx_addr:            Inflate context buffer address
  97  * @history:             Pointer to the history buffer
  98  * @input_len:           Number of bytes available at next_in
  99  * @input_total_len:     Total number of input bytes read
 100  * @output_len:          Remaining free space at next_out
 101  * @output_total_len:    Total number of bytes output so far
 102  * @csum:                Checksum value of the uncompressed data
 103  * @flush:               Flush flag
 104  * @format:              Format (depends on stream's wrap)
 105  * @speed:               Speed depends on stream's level
 106  * @ccode:               Compression code ( stream's strategy)
 107  * @lzs_flag:            Flag for LZS support
 108  * @begin_file:          Beginning of file indication for inflate
 109  * @history_len:         Size of the history data
 110  * @end_file:            Ending of the file indication for inflate
 111  * @compcode:            Completion status of the ZIP invocation
 112  * @bytes_read:          Input bytes read in current instruction
 113  * @bits_processed:      Total bits processed for entire file
 114  * @sizeofptr:           To distinguish between ILP32 and LP64
 115  * @sizeofzops:          Optional just for padding
 116  *
 117  * This structure is used to maintain the required meta data for the
 118  * comp and decomp operations.
 119  */
 120 struct zip_operation {
 121         u8    *input;
 122         u8    *output;
 123         u64   ctx_addr;
 124         u64   history;
 125
 126         u32   input_len;
 127         u32   input_total_len;
 128
 129         u32   output_len;
 130         u32   output_total_len;
 131
 132         u32   csum;
 133         u32   flush;
 134
 135         u32   format;
 136         u32   speed;
 137         u32   ccode;
 138         u32   lzs_flag;
 139
 140         u32   begin_file;
 141         u32   history_len;
 142
 143         u32   end_file;
 144         u32   compcode;
 145         u32   bytes_read;
 146         u32   bits_processed;
 147
 148         u32   sizeofptr;
 149         u32   sizeofzops;
 150 };
 151
 152 /* error messages */
 153 #define zip_err(fmt, args...) pr_err("ZIP ERR:%s():%d: " \
 154                               fmt "\n", __func__, __LINE__, ## args)
 155
 156 #ifdef MSG_ENABLE
 157 /* Enable all messages */
 158 #define zip_msg(fmt, args...) pr_info("ZIP_MSG:" fmt "\n", ## args)
 159 #else
 160 #define zip_msg(fmt, args...)
 161 #endif
 162
 163 #if defined(ZIP_DEBUG_ENABLE) && defined(MSG_ENABLE)
 164
 165 #ifdef DEBUG_LEVEL
 166
 167 #define FILE_NAME (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : \
 168         strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__)
 169
 170 #if DEBUG_LEVEL >= 4
 171
 172 #define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \
 173                               fmt "\n", FILE_NAME, __func__, __LINE__, ## args)
 174
 175 #elif DEBUG_LEVEL >= 3
 176
 177 #define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s: %s() : %d: " \
 178                               fmt "\n", FILE_NAME, __func__, __LINE__, ## args)
 179
 180 #elif DEBUG_LEVEL >= 2
 181
 182 #define zip_dbg(fmt, args...) pr_info("ZIP DBG: %s() : %d: " \
 183                               fmt "\n", __func__, __LINE__, ## args)
 184
 185 #else
 186
 187 #define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args)
 188
 189 #endif /* DEBUG LEVEL >=4 */
 190
 191 #else
 192
 193 #define zip_dbg(fmt, args...) pr_info("ZIP DBG:" fmt "\n", ## args)
 194
 195 #endif /* DEBUG_LEVEL */
 196 #else
 197
 198 #define zip_dbg(fmt, args...)
 199
 200 #endif /* ZIP_DEBUG_ENABLE && MSG_ENABLE*/
 201
 202 #endif