Pileus Git - ~andy/linux/blob - 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 #define RTSX_DUMP(buf, buf_len)                                 \
  87         print_hex_dump(KERN_DEBUG, RTSX_STOR, DUMP_PREFIX_NONE, \
  88                                 16, 1, (buf), (buf_len), false)
  89 #else
  90 #define RTSX_DUMP(buf, buf_len)
  91 #endif
  92
  93 #endif  /* __REALTEK_RTSX_TRACE_H */