drivers/staging/rts_pstor/trace.h

   1 /* Driver for Realtek PCI-Express card reader
   2  * Header file
   3  *
   4  * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * Author:
  20  *   wwang (wei_wang@realsil.com.cn)
  21  *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  22  */
  23
  24 #ifndef __REALTEK_RTSX_TRACE_H
  25 #define __REALTEK_RTSX_TRACE_H
  26
  27 #define _MSG_TRACE
  28
  29 #ifdef _MSG_TRACE
  30 static inline char *filename(char *path)
  31 {
  32         char *ptr;
  33
  34         if (path == NULL)
  35                 return NULL;
  36
  37         ptr = path;
  38
  39         while (*ptr != '\0') {
  40                 if ((*ptr == '\\') || (*ptr == '/'))
  41                         path = ptr + 1;
  42
  43                 ptr++;
  44         }
  45
  46         return path;
  47 }
  48
  49 #define TRACE_RET(chip, ret)                                                                            \
  50 do {                                                                                                    \
  51         char *_file = filename(__FILE__);                                                               \
  52         RTSX_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);                                      \
  53         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);                                      \
  54         strncpy((chip)->trace_msg[(chip)->msg_idx].func, __func__, MSG_FUNC_LEN-1);                     \
  55         strncpy((chip)->trace_msg[(chip)->msg_idx].file, _file, MSG_FILE_LEN-1);                        \
  56         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf, TIME_VAL_LEN);                 \
  57         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                                                   \
  58         (chip)->msg_idx++;                                                                              \
  59         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                                                        \
  60                 (chip)->msg_idx = 0;                                                                    \
  61         }                                                                                               \
  62         return ret;                                                                                     \
  63 } while (0)
  64
  65 #define TRACE_GOTO(chip, label)                                                                         \
  66 do {                                                                                                    \
  67         char *_file = filename(__FILE__);                                                               \
  68         RTSX_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);                                      \
  69         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);                                      \
  70         strncpy((chip)->trace_msg[(chip)->msg_idx].func, __func__, MSG_FUNC_LEN-1);                     \
  71         strncpy((chip)->trace_msg[(chip)->msg_idx].file, _file, MSG_FILE_LEN-1);                        \
  72         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf, TIME_VAL_LEN);                 \
  73         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                                                   \
  74         (chip)->msg_idx++;                                                                              \
  75         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                                                        \
  76                 (chip)->msg_idx = 0;                                                                    \
  77         }                                                                                               \
  78         goto label;                                                                                     \
  79 } while (0)
  80 #else
  81 #define TRACE_RET(chip, ret)    return ret
  82 #define TRACE_GOTO(chip, label) goto label
  83 #endif
  84
  85 #ifdef CONFIG_RTS_PSTOR_DEBUG
  86 static inline void rtsx_dump(u8 *buf, int buf_len)
  87 {
  88         int i;
  89         u8 tmp[16] = {0};
  90         u8 *_ptr = buf;
  91
  92         for (i = 0; i < ((buf_len)/16); i++) {
  93                 RTSX_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
  94                         "%02x %02x %02x %02x %02x %02x %02x %02x\n",
  95                         _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4], _ptr[5],
  96                         _ptr[6], _ptr[7], _ptr[8], _ptr[9], _ptr[10], _ptr[11],
  97                         _ptr[12], _ptr[13], _ptr[14], _ptr[15]);
  98                 _ptr += 16;
  99         }
 100         if ((buf_len) % 16) {
 101                 memcpy(tmp, _ptr, (buf_len) % 16);
 102                 _ptr = tmp;
 103                 RTSX_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
 104                         "%02x %02x %02x %02x %02x %02x %02x %02x\n",
 105                         _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4], _ptr[5],
 106                         _ptr[6], _ptr[7], _ptr[8], _ptr[9], _ptr[10], _ptr[11],
 107                         _ptr[12], _ptr[13], _ptr[14], _ptr[15]);
 108         }
 109 }
 110
 111 #define RTSX_DUMP(buf, buf_len)         rtsx_dump((u8 *)(buf), (buf_len))
 112
 113 #else
 114 #define RTSX_DUMP(buf, buf_len)
 115 #endif
 116
 117 #endif  /* __REALTEK_RTSX_TRACE_H */