drivers/misc/iwmc3200top/log.h

   1 /*
   2  * iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
   3  * drivers/misc/iwmc3200top/log.h
   4  *
   5  * Copyright (C) 2009 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License version
   9  * 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19  * 02110-1301, USA.
  20  *
  21  *
  22  * Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
  23  *  -
  24  *
  25  */
  26
  27 #ifndef __LOG_H__
  28 #define __LOG_H__
  29
  30
  31 /* log severity:
  32  * The log levels here match FW log levels
  33  * so values need to stay as is */
  34 #define LOG_SEV_CRITICAL                0
  35 #define LOG_SEV_ERROR                   1
  36 #define LOG_SEV_WARNING                 2
  37 #define LOG_SEV_INFO                    3
  38 #define LOG_SEV_INFOEX                  4
  39
  40 #define LOG_SEV_FILTER_ALL              \
  41         (BIT(LOG_SEV_CRITICAL) |        \
  42          BIT(LOG_SEV_ERROR)    |        \
  43          BIT(LOG_SEV_WARNING)  |        \
  44          BIT(LOG_SEV_INFO)     |        \
  45          BIT(LOG_SEV_INFOEX))
  46
  47 /* log source */
  48 #define LOG_SRC_INIT                    0
  49 #define LOG_SRC_DEBUGFS                 1
  50 #define LOG_SRC_FW_DOWNLOAD             2
  51 #define LOG_SRC_FW_MSG                  3
  52 #define LOG_SRC_TST                     4
  53 #define LOG_SRC_IRQ                     5
  54
  55 #define LOG_SRC_MAX                     6
  56 #define LOG_SRC_ALL                     0xFF
  57
  58 /**
  59  * Default intitialization runtime log level
  60  */
  61 #ifndef LOG_SEV_FILTER_RUNTIME
  62 #define LOG_SEV_FILTER_RUNTIME                  \
  63         (BIT(LOG_SEV_CRITICAL)  |               \
  64          BIT(LOG_SEV_ERROR)     |               \
  65          BIT(LOG_SEV_WARNING))
  66 #endif
  67
  68 #ifndef FW_LOG_SEV_FILTER_RUNTIME
  69 #define FW_LOG_SEV_FILTER_RUNTIME       LOG_SEV_FILTER_ALL
  70 #endif
  71
  72 #ifdef CONFIG_IWMC3200TOP_DEBUG
  73 /**
  74  * Log macros
  75  */
  76
  77 #define priv2dev(priv) (&(priv->func)->dev)
  78
  79 #define LOG_CRITICAL(priv, src, fmt, args...)                           \
  80 do {                                                                    \
  81         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_CRITICAL))     \
  82                 dev_crit(priv2dev(priv), "%s %d: " fmt,                 \
  83                         __func__, __LINE__, ##args);                    \
  84 } while (0)
  85
  86 #define LOG_ERROR(priv, src, fmt, args...)                              \
  87 do {                                                                    \
  88         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_ERROR))        \
  89                 dev_err(priv2dev(priv), "%s %d: " fmt,                  \
  90                         __func__, __LINE__, ##args);                    \
  91 } while (0)
  92
  93 #define LOG_WARNING(priv, src, fmt, args...)                            \
  94 do {                                                                    \
  95         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_WARNING))      \
  96                 dev_warn(priv2dev(priv), "%s %d: " fmt,                 \
  97                          __func__, __LINE__, ##args);                   \
  98 } while (0)
  99
 100 #define LOG_INFO(priv, src, fmt, args...)                               \
 101 do {                                                                    \
 102         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFO))         \
 103                 dev_info(priv2dev(priv), "%s %d: " fmt,                 \
 104                          __func__, __LINE__, ##args);                   \
 105 } while (0)
 106
 107 #define LOG_INFOEX(priv, src, fmt, args...)                             \
 108 do {                                                                    \
 109         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))       \
 110                 dev_dbg(priv2dev(priv), "%s %d: " fmt,                  \
 111                          __func__, __LINE__, ##args);                   \
 112 } while (0)
 113
 114 #define LOG_HEXDUMP(src, ptr, len)                                      \
 115 do {                                                                    \
 116         if (iwmct_logdefs[LOG_SRC_ ## src] & BIT(LOG_SEV_INFOEX))       \
 117                 print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE,        \
 118                                 16, 1, ptr, len, false);                \
 119 } while (0)
 120
 121 void iwmct_log_top_message(struct iwmct_priv *priv, u8 *buf, int len);
 122
 123 extern u8 iwmct_logdefs[];
 124
 125 int iwmct_log_set_filter(u8 src, u8 logmask);
 126 int iwmct_log_set_fw_filter(u8 src, u8 logmask);
 127
 128 ssize_t show_iwmct_log_level(struct device *d,
 129                         struct device_attribute *attr, char *buf);
 130 ssize_t store_iwmct_log_level(struct device *d,
 131                         struct device_attribute *attr,
 132                         const char *buf, size_t count);
 133 ssize_t show_iwmct_log_level_fw(struct device *d,
 134                         struct device_attribute *attr, char *buf);
 135 ssize_t store_iwmct_log_level_fw(struct device *d,
 136                         struct device_attribute *attr,
 137                         const char *buf, size_t count);
 138
 139 #else
 140
 141 #define LOG_CRITICAL(priv, src, fmt, args...)
 142 #define LOG_ERROR(priv, src, fmt, args...)
 143 #define LOG_WARNING(priv, src, fmt, args...)
 144 #define LOG_INFO(priv, src, fmt, args...)
 145 #define LOG_INFOEX(priv, src, fmt, args...)
 146 #define LOG_HEXDUMP(src, ptr, len)
 147
 148 static inline void iwmct_log_top_message(struct iwmct_priv *priv,
 149                                          u8 *buf, int len) {}
 150 static inline int iwmct_log_set_filter(u8 src, u8 logmask) { return 0; }
 151 static inline int iwmct_log_set_fw_filter(u8 src, u8 logmask) { return 0; }
 152
 153 #endif /* CONFIG_IWMC3200TOP_DEBUG */
 154
 155 int log_get_filter_str(char *buf, int size);
 156 int log_get_fw_filter_str(char *buf, int size);
 157
 158 #endif /* __LOG_H__ */