trace.h

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/* Driver for Realtek PCI-Express card reader
 * Header file
 *
 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Author:
 *   wwang ([email protected])
 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
 */

#ifndef __REALTEK_RTSX_TRACE_H
#define __REALTEK_RTSX_TRACE_H

#define _MSG_TRACE

#ifdef _MSG_TRACE
static inline char *filename(char *path)
{
    char *ptr;

    if (path == NULL)
        return NULL;

    ptr = path;

    while (*ptr != '\0') {
        if ((*ptr == '\\') || (*ptr == '/'))
            path = ptr + 1;
        
        ptr++;
    }

    return path;
}

#define TRACE_RET(chip, ret)                                        \
do {                                                    \
    char *_file = filename(__FILE__);                               \
    RTSX_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);                  \
    (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);                  \
    strncpy((chip)->trace_msg[(chip)->msg_idx].func, __func__, MSG_FUNC_LEN-1);         \
    strncpy((chip)->trace_msg[(chip)->msg_idx].file, _file, MSG_FILE_LEN-1);            \
    get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf, TIME_VAL_LEN);         \
    (chip)->trace_msg[(chip)->msg_idx].valid = 1;                           \
    (chip)->msg_idx++;                                      \
    if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                            \
        (chip)->msg_idx = 0;                                    \
    }                                               \
    return ret;                                             \
} while (0)

#define TRACE_GOTO(chip, label)                                     \
do {                                                    \
    char *_file = filename(__FILE__);                               \
    RTSX_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);                  \
    (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);                  \
    strncpy((chip)->trace_msg[(chip)->msg_idx].func, __func__, MSG_FUNC_LEN-1);         \
    strncpy((chip)->trace_msg[(chip)->msg_idx].file, _file, MSG_FILE_LEN-1);            \
    get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf, TIME_VAL_LEN);         \
    (chip)->trace_msg[(chip)->msg_idx].valid = 1;                           \
    (chip)->msg_idx++;                                      \
    if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                            \
        (chip)->msg_idx = 0;                                    \
    }                                               \
    goto label;                                             \
} while (0)
#else
#define TRACE_RET(chip, ret)    return ret
#define TRACE_GOTO(chip, label) goto label
#endif

#ifdef CONFIG_RTS_PSTOR_DEBUG
#define RTSX_DUMP(buf, buf_len)                 \
    print_hex_dump(KERN_DEBUG, RTSX_STOR, DUMP_PREFIX_NONE, \
                16, 1, (buf), (buf_len), false)
#else
#define RTSX_DUMP(buf, buf_len)
#endif

#endif  /* __REALTEK_RTSX_TRACE_H */