Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | /* |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 22 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 23 | * |
| 24 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 25 | * |
| 26 | * |
| 27 | * Permission to use, copy, modify, and/or distribute this software for |
| 28 | * any purpose with or without fee is hereby granted, provided that the |
| 29 | * above copyright notice and this permission notice appear in all |
| 30 | * copies. |
| 31 | * |
| 32 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 33 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 35 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 36 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 37 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 38 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 39 | * PERFORMANCE OF THIS SOFTWARE. |
| 40 | */ |
| 41 | |
| 42 | /**========================================================================= |
| 43 | |
| 44 | \file vos_trace.c |
| 45 | |
| 46 | \brief virtual Operating System Servies (vOS) |
| 47 | |
| 48 | Trace, logging, and debugging definitions and APIs |
| 49 | |
| 50 | Copyright 2008,2011 (c) Qualcomm, Incorporated. All Rights Reserved. |
| 51 | |
| 52 | Qualcomm Confidential and Proprietary. |
| 53 | |
| 54 | ========================================================================*/ |
| 55 | |
| 56 | /*=========================================================================== |
| 57 | |
| 58 | EDIT HISTORY FOR FILE |
| 59 | |
| 60 | |
| 61 | This section contains comments describing changes made to the module. |
| 62 | Notice that changes are listed in reverse chronological order. |
| 63 | |
| 64 | |
| 65 | $Header:$ $DateTime: $ $Author: $ |
| 66 | |
| 67 | |
| 68 | when who what, where, why |
| 69 | -------- --- -------------------------------------------------------- |
| 70 | 09/16/08 hvm Adding ability to set multiple trace levels per component |
| 71 | 09/11/08 lac Added trace levels per component. Cleanup from review. |
| 72 | 08/14/08 vpai Particular modules and desired level can be selected |
| 73 | 06/20/08 vpai Created Module |
| 74 | ===========================================================================*/ |
| 75 | |
| 76 | /*-------------------------------------------------------------------------- |
| 77 | Include Files |
| 78 | ------------------------------------------------------------------------*/ |
| 79 | #include <vos_trace.h> |
Leela Venkata Kiran Kumar Reddy Chirala | 57af269 | 2013-04-10 22:39:51 -0700 | [diff] [blame^] | 80 | #include <aniGlobal.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 81 | /*-------------------------------------------------------------------------- |
| 82 | Preprocessor definitions and constants |
| 83 | ------------------------------------------------------------------------*/ |
| 84 | |
| 85 | #define VOS_TRACE_BUFFER_SIZE ( 512 ) |
| 86 | |
| 87 | // macro to map vos trace levels into the bitmask |
| 88 | #define VOS_TRACE_LEVEL_TO_MODULE_BITMASK( _level ) ( ( 1 << (_level) ) ) |
| 89 | |
| 90 | typedef struct |
| 91 | { |
| 92 | // Trace level for a module, as a bitmask. The bits in this mask |
| 93 | // are ordered by VOS_TRACE_LEVEL. For example, each bit represents |
| 94 | // one of the bits in VOS_TRACE_LEVEL that may be turned on to have |
| 95 | // traces at that level logged, i.e. if VOS_TRACE_LEVEL_ERROR is |
| 96 | // == 2, then if bit 2 (low order) is turned ON, then ERROR traces |
| 97 | // will be printed to the trace log. |
| 98 | // |
| 99 | // Note that all bits turned OFF means no traces. |
| 100 | v_U16_t moduleTraceLevel; |
| 101 | |
| 102 | // 3 character string name for the module |
| 103 | unsigned char moduleNameStr[ 4 ]; // 3 chars plus the NULL |
| 104 | |
| 105 | } moduleTraceInfo; |
| 106 | |
| 107 | #define VOS_DEFAULT_TRACE_LEVEL \ |
| 108 | ((1<<VOS_TRACE_LEVEL_FATAL)|(1<<VOS_TRACE_LEVEL_ERROR)) |
| 109 | |
| 110 | // Array of static data that contains all of the per module trace |
| 111 | // information. This includes the trace level for the module and |
| 112 | // the 3 character 'name' of the module for marking the trace logs. |
| 113 | moduleTraceInfo gVosTraceInfo[ VOS_MODULE_ID_MAX ] = |
| 114 | { |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 115 | [VOS_MODULE_ID_BAP] = { VOS_DEFAULT_TRACE_LEVEL, "BAP" }, |
| 116 | [VOS_MODULE_ID_TL] = { VOS_DEFAULT_TRACE_LEVEL, "TL " }, |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 117 | [VOS_MODULE_ID_WDI] = { VOS_DEFAULT_TRACE_LEVEL, "WDI"}, |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 118 | [VOS_MODULE_ID_HDD] = { VOS_DEFAULT_TRACE_LEVEL, "HDD" }, |
| 119 | [VOS_MODULE_ID_SME] = { VOS_DEFAULT_TRACE_LEVEL, "SME" }, |
| 120 | [VOS_MODULE_ID_PE] = { VOS_DEFAULT_TRACE_LEVEL, "PE " }, |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 121 | [VOS_MODULE_ID_WDA] = { VOS_DEFAULT_TRACE_LEVEL, "WDA" }, |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 122 | [VOS_MODULE_ID_SYS] = { VOS_DEFAULT_TRACE_LEVEL, "SYS" }, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 123 | [VOS_MODULE_ID_VOSS] = { VOS_DEFAULT_TRACE_LEVEL, "VOS" }, |
Mohit Khanna | 2386376 | 2012-09-11 17:40:09 -0700 | [diff] [blame] | 124 | [VOS_MODULE_ID_SAP] = { VOS_DEFAULT_TRACE_LEVEL, "SAP" }, |
| 125 | [VOS_MODULE_ID_HDD_SOFTAP] = { VOS_DEFAULT_TRACE_LEVEL, "HSP" }, |
Katya Nigam | 70d6833 | 2013-09-16 16:49:45 +0530 | [diff] [blame] | 126 | [VOS_MODULE_ID_PMC] = { VOS_DEFAULT_TRACE_LEVEL, "PMC" }, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 127 | }; |
Leela Venkata Kiran Kumar Reddy Chirala | 57af269 | 2013-04-10 22:39:51 -0700 | [diff] [blame^] | 128 | /*------------------------------------------------------------------------- |
| 129 | Static and Global variables |
| 130 | ------------------------------------------------------------------------*/ |
| 131 | static spinlock_t ltraceLock; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 132 | |
Leela Venkata Kiran Kumar Reddy Chirala | 57af269 | 2013-04-10 22:39:51 -0700 | [diff] [blame^] | 133 | static tvosTraceRecord gvosTraceTbl[MAX_VOS_TRACE_RECORDS]; |
| 134 | // Global vosTraceData |
| 135 | static tvosTraceData gvosTraceData; |
| 136 | /* |
| 137 | * all the call back functions for dumping MTRACE messages from ring buffer |
| 138 | * are stored in vostraceCBTable,these callbacks are initialized during init only |
| 139 | * so, we will make a copy of these call back functions and maintain in to |
| 140 | * vostraceRestoreCBTable. Incase if we make modifications to vostraceCBTable, |
| 141 | * we can certainly retrieve all the call back functions back from Restore Table |
| 142 | */ |
| 143 | static tpvosTraceCb vostraceCBTable[VOS_MODULE_ID_MAX]; |
| 144 | static tpvosTraceCb vostraceRestoreCBTable[VOS_MODULE_ID_MAX]; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 145 | /*------------------------------------------------------------------------- |
| 146 | Functions |
| 147 | ------------------------------------------------------------------------*/ |
| 148 | void vos_trace_setLevel( VOS_MODULE_ID module, VOS_TRACE_LEVEL level ) |
| 149 | { |
| 150 | // Make sure the caller is passing in a valid LEVEL. |
| 151 | if ( level >= VOS_TRACE_LEVEL_MAX ) |
| 152 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 153 | pr_err("%s: Invalid trace level %d passed in!\n", __func__, level); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 154 | return; |
| 155 | } |
| 156 | |
| 157 | // Treat 'none' differently. NONE means we have to run off all |
| 158 | // the bits in the bit mask so none of the traces appear. Anything other |
| 159 | // than 'none' means we need to turn ON a bit in the bitmask. |
| 160 | if ( VOS_TRACE_LEVEL_NONE == level ) |
| 161 | { |
| 162 | gVosTraceInfo[ module ].moduleTraceLevel = VOS_TRACE_LEVEL_NONE; |
| 163 | } |
| 164 | else |
| 165 | { |
| 166 | // Set the desired bit in the bit mask for the module trace level. |
| 167 | gVosTraceInfo[ module ].moduleTraceLevel |= VOS_TRACE_LEVEL_TO_MODULE_BITMASK( level ); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | void vos_trace_setValue( VOS_MODULE_ID module, VOS_TRACE_LEVEL level, v_U8_t on) |
| 172 | { |
| 173 | // Make sure the caller is passing in a valid LEVEL. |
| 174 | if ( level < 0 || level >= VOS_TRACE_LEVEL_MAX ) |
| 175 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 176 | pr_err("%s: Invalid trace level %d passed in!\n", __func__, level); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 177 | return; |
| 178 | } |
| 179 | |
| 180 | // Make sure the caller is passing in a valid module. |
| 181 | if ( module < 0 || module >= VOS_MODULE_ID_MAX ) |
| 182 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 183 | pr_err("%s: Invalid module id %d passed in!\n", __func__, module); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 184 | return; |
| 185 | } |
| 186 | |
| 187 | // Treat 'none' differently. NONE means we have to turn off all |
| 188 | // the bits in the bit mask so none of the traces appear. |
| 189 | if ( VOS_TRACE_LEVEL_NONE == level ) |
| 190 | { |
| 191 | gVosTraceInfo[ module ].moduleTraceLevel = VOS_TRACE_LEVEL_NONE; |
| 192 | } |
| 193 | // Treat 'All' differently. All means we have to turn on all |
| 194 | // the bits in the bit mask so all of the traces appear. |
| 195 | else if ( VOS_TRACE_LEVEL_ALL == level ) |
| 196 | { |
| 197 | gVosTraceInfo[ module ].moduleTraceLevel = 0xFFFF; |
| 198 | } |
| 199 | |
| 200 | else |
| 201 | { |
| 202 | if (on) |
| 203 | // Set the desired bit in the bit mask for the module trace level. |
| 204 | gVosTraceInfo[ module ].moduleTraceLevel |= VOS_TRACE_LEVEL_TO_MODULE_BITMASK( level ); |
| 205 | else |
| 206 | // Clear the desired bit in the bit mask for the module trace level. |
| 207 | gVosTraceInfo[ module ].moduleTraceLevel &= ~(VOS_TRACE_LEVEL_TO_MODULE_BITMASK( level )); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | |
| 212 | v_BOOL_t vos_trace_getLevel( VOS_MODULE_ID module, VOS_TRACE_LEVEL level ) |
| 213 | { |
| 214 | v_BOOL_t traceOn = VOS_FALSE; |
| 215 | |
| 216 | if ( ( VOS_TRACE_LEVEL_NONE == level ) || |
| 217 | ( VOS_TRACE_LEVEL_ALL == level ) || |
| 218 | ( level >= VOS_TRACE_LEVEL_MAX ) ) |
| 219 | { |
| 220 | traceOn = VOS_FALSE; |
| 221 | } |
| 222 | else |
| 223 | { |
| 224 | traceOn = ( level & gVosTraceInfo[ module ].moduleTraceLevel ) ? VOS_TRUE : VOS_FALSE; |
| 225 | } |
| 226 | |
| 227 | return( traceOn ); |
| 228 | } |
| 229 | |
| 230 | void vos_snprintf(char *strBuffer, unsigned int size, char *strFormat, ...) |
| 231 | { |
| 232 | va_list val; |
| 233 | |
| 234 | va_start( val, strFormat ); |
| 235 | snprintf (strBuffer, size, strFormat, val); |
| 236 | va_end( val ); |
| 237 | } |
| 238 | |
Gopichand Nakkala | d077496 | 2013-05-24 11:32:21 +0530 | [diff] [blame] | 239 | #ifdef WCONN_TRACE_KMSG_LOG_BUFF |
| 240 | |
| 241 | /* 64k:: size should be power of 2 to |
| 242 | get serial 'wconnstrContBuffIdx' index */ |
| 243 | #define KMSG_WCONN_TRACE_LOG_MAX 65536 |
| 244 | |
| 245 | static char wconnStrLogBuff[KMSG_WCONN_TRACE_LOG_MAX]; |
| 246 | static unsigned int wconnstrContBuffIdx; |
| 247 | static void kmsgwconnstrlogchar(char c) |
| 248 | { |
| 249 | wconnStrLogBuff[wconnstrContBuffIdx & (KMSG_WCONN_TRACE_LOG_MAX-1)] = c; |
| 250 | wconnstrContBuffIdx++; |
| 251 | } |
| 252 | |
| 253 | /****************************************************************************** |
| 254 | * function:: kmsgwconnBuffWrite() |
| 255 | * wconnlogstrRead -> Recieved the string(log msg) from vos_trace_msg() |
| 256 | * 1) Get the timetick, convert into HEX and store in wconnStrLogBuff[] |
| 257 | * 2) And 'pwconnlogstr' would be copied into wconnStrLogBuff[] character by |
| 258 | character |
| 259 | * 3) wconnStrLogBuff[] is been treated as circular buffer. |
| 260 | * |
| 261 | * Note:: In T32 simulator the content of wconnStrLogBuff[] will appear as |
| 262 | continuous string please use logparse.cmm file to extract into |
| 263 | readable format |
| 264 | *******************************************************************************/ |
| 265 | |
| 266 | void kmsgwconnBuffWrite(const char *wconnlogstrRead) |
| 267 | { |
| 268 | const char *pwconnlogstr = wconnlogstrRead; |
| 269 | static const char num[16] = {'0','1','2','3','4','5','6','7','8','9','A', |
| 270 | 'B','C','D','E','F'}; |
| 271 | unsigned int timetick; |
| 272 | int bits; /*timetick for now returns 32 bit number*/ |
| 273 | |
| 274 | timetick = ( jiffies_to_msecs(jiffies) / 10 ); |
| 275 | bits = sizeof(timetick) * 8/*number of bits in a byte*/; |
| 276 | |
| 277 | kmsgwconnstrlogchar('['); |
| 278 | |
| 279 | for ( ; bits > 0; bits -= 4 ) |
| 280 | kmsgwconnstrlogchar( num[((timetick & (0xF << (bits-4)))>>(bits-4))] ); |
| 281 | |
| 282 | kmsgwconnstrlogchar(']'); |
| 283 | |
| 284 | for ( ; *pwconnlogstr; pwconnlogstr++) |
| 285 | { |
| 286 | kmsgwconnstrlogchar(*pwconnlogstr); |
| 287 | } |
| 288 | kmsgwconnstrlogchar('\n');/*log \n*/ |
| 289 | } |
| 290 | |
| 291 | spinlock_t gVosSpinLock; |
| 292 | |
| 293 | void vos_wconn_trace_init(void) |
| 294 | { |
| 295 | spin_lock_init(&gVosSpinLock); |
| 296 | } |
| 297 | |
| 298 | void vos_wconn_trace_exit(void) |
| 299 | { |
| 300 | /* does nothing */ |
| 301 | } |
| 302 | |
| 303 | #endif |
| 304 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 305 | #ifdef VOS_ENABLE_TRACING |
| 306 | |
| 307 | /*---------------------------------------------------------------------------- |
| 308 | |
| 309 | \brief vos_trace_msg() - Externally called trace function |
| 310 | |
| 311 | Checks the level of severity and accordingly prints the trace messages |
| 312 | |
| 313 | \param module - module identifier. A member of the VOS_MODULE_ID |
| 314 | enumeration that identifies the module issuing the trace message. |
| 315 | |
| 316 | \param level - trace level. A member of the VOS_TRACE_LEVEL |
| 317 | enumeration indicating the severity of the condition causing the |
| 318 | trace message to be issued. More severe conditions are more |
| 319 | likely to be logged. |
| 320 | |
| 321 | \param strFormat - format string. The message to be logged. This format |
| 322 | string contains printf-like replacement parameters, which follow |
| 323 | this parameter in the variable argument list. |
| 324 | |
| 325 | \return nothing |
| 326 | |
| 327 | \sa |
| 328 | |
| 329 | --------------------------------------------------------------------------*/ |
| 330 | void vos_trace_msg( VOS_MODULE_ID module, VOS_TRACE_LEVEL level, char *strFormat, ... ) |
| 331 | { |
| 332 | char strBuffer[VOS_TRACE_BUFFER_SIZE]; |
| 333 | int n; |
Gopichand Nakkala | d077496 | 2013-05-24 11:32:21 +0530 | [diff] [blame] | 334 | unsigned long irq_flag; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 335 | |
Gopichand Nakkala | a845f7a | 2012-12-31 16:14:20 -0800 | [diff] [blame] | 336 | // Print the trace message when the desired level bit is set in the module |
| 337 | // tracel level mask. |
| 338 | if ( gVosTraceInfo[ module ].moduleTraceLevel & VOS_TRACE_LEVEL_TO_MODULE_BITMASK( level ) ) |
| 339 | { |
Madan Mohan Koyyalamudi | d5fba4a | 2013-01-16 04:33:09 +0530 | [diff] [blame] | 340 | // the trace level strings in an array. these are ordered in the same order |
| 341 | // as the trace levels are defined in the enum (see VOS_TRACE_LEVEL) so we |
| 342 | // can index into this array with the level and get the right string. The |
| 343 | // vos trace levels are... |
Varun Reddy Yeturu | f68abd6 | 2013-02-11 14:05:06 -0800 | [diff] [blame] | 344 | // none, Fatal, Error, Warning, Info, InfoHigh, InfoMed, InfoLow, Debug |
| 345 | static const char * TRACE_LEVEL_STR[] = { " ", "F ", "E ", "W ", "I ", "IH", "IM", "IL", "D" }; |
Madan Mohan Koyyalamudi | d5fba4a | 2013-01-16 04:33:09 +0530 | [diff] [blame] | 346 | va_list val; |
| 347 | va_start(val, strFormat); |
| 348 | |
| 349 | // print the prefix string into the string buffer... |
| 350 | n = snprintf(strBuffer, VOS_TRACE_BUFFER_SIZE, "wlan: [%d:%2s:%3s] ", |
| 351 | in_interrupt() ? 0 : current->pid, |
| 352 | (char *) TRACE_LEVEL_STR[ level ], |
| 353 | (char *) gVosTraceInfo[ module ].moduleNameStr ); |
| 354 | |
| 355 | // print the formatted log message after the prefix string. |
Yue Ma | 6804574 | 2013-04-17 10:48:13 -0700 | [diff] [blame] | 356 | if ((n >= 0) && (n < VOS_TRACE_BUFFER_SIZE)) |
Tushnim Bhattacharyya | 5dd9456 | 2013-03-20 20:15:03 -0700 | [diff] [blame] | 357 | { |
| 358 | vsnprintf(strBuffer + n, VOS_TRACE_BUFFER_SIZE - n, strFormat, val ); |
Gopichand Nakkala | d077496 | 2013-05-24 11:32:21 +0530 | [diff] [blame] | 359 | |
| 360 | #ifdef WCONN_TRACE_KMSG_LOG_BUFF |
| 361 | spin_lock_irqsave (&gVosSpinLock, irq_flag); |
| 362 | kmsgwconnBuffWrite(strBuffer); |
| 363 | spin_unlock_irqrestore (&gVosSpinLock, irq_flag); |
| 364 | #endif |
Tushnim Bhattacharyya | 5dd9456 | 2013-03-20 20:15:03 -0700 | [diff] [blame] | 365 | pr_err("%s\n", strBuffer); |
| 366 | } |
Gopichand Nakkala | d077496 | 2013-05-24 11:32:21 +0530 | [diff] [blame] | 367 | va_end(val); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 368 | } |
| 369 | } |
| 370 | |
| 371 | void vos_trace_display(void) |
| 372 | { |
| 373 | VOS_MODULE_ID moduleId; |
| 374 | |
Varun Reddy Yeturu | f68abd6 | 2013-02-11 14:05:06 -0800 | [diff] [blame] | 375 | pr_err(" 1)FATAL 2)ERROR 3)WARN 4)INFO 5)INFO_H 6)INFO_M 7)INFO_L 8)DEBUG\n"); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 376 | for (moduleId = 0; moduleId < VOS_MODULE_ID_MAX; ++moduleId) |
| 377 | { |
Varun Reddy Yeturu | f68abd6 | 2013-02-11 14:05:06 -0800 | [diff] [blame] | 378 | pr_err("%2d)%s %s %s %s %s %s %s %s %s\n", |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 379 | (int)moduleId, |
| 380 | gVosTraceInfo[moduleId].moduleNameStr, |
| 381 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_FATAL)) ? "X":" ", |
| 382 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_ERROR)) ? "X":" ", |
| 383 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_WARN)) ? "X":" ", |
| 384 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_INFO)) ? "X":" ", |
| 385 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_INFO_HIGH)) ? "X":" ", |
| 386 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_INFO_MED)) ? "X":" ", |
Varun Reddy Yeturu | f68abd6 | 2013-02-11 14:05:06 -0800 | [diff] [blame] | 387 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_INFO_LOW)) ? "X":" ", |
| 388 | (gVosTraceInfo[moduleId].moduleTraceLevel & (1 << VOS_TRACE_LEVEL_DEBUG)) ? "X":" " |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 389 | ); |
| 390 | } |
| 391 | } |
| 392 | |
Madan Mohan Koyyalamudi | 99af06e | 2013-08-08 02:17:17 +0530 | [diff] [blame] | 393 | /*---------------------------------------------------------------------------- |
| 394 | |
| 395 | \brief vos_trace_hex_dump() - Externally called hex dump function |
| 396 | |
| 397 | Checks the level of severity and accordingly prints the trace messages |
| 398 | |
| 399 | \param module - module identifier. A member of the VOS_MODULE_ID |
| 400 | enumeration that identifies the module issuing the trace message. |
| 401 | |
| 402 | \param level - trace level. A member of the VOS_TRACE_LEVEL |
| 403 | enumeration indicating the severity of the condition causing the |
| 404 | trace message to be issued. More severe conditions are more |
| 405 | likely to be logged. |
| 406 | |
| 407 | \param data - . The base address of the buffer to be logged. |
| 408 | |
| 409 | \param buf_len - . The size of the buffer to be logged. |
| 410 | |
| 411 | \return nothing |
| 412 | |
| 413 | \sa |
| 414 | --------------------------------------------------------------------------*/ |
| 415 | void vos_trace_hex_dump( VOS_MODULE_ID module, VOS_TRACE_LEVEL level, |
| 416 | void *data, int buf_len ) |
| 417 | { |
| 418 | char *buf = (char *)data; |
| 419 | int i; |
| 420 | for (i=0; (i+7)<buf_len; i+=8) |
| 421 | { |
| 422 | vos_trace_msg( module, level, |
| 423 | "%02x %02x %02x %02x %02x %02x %02x %02x \n", |
| 424 | buf[i], |
| 425 | buf[i+1], |
| 426 | buf[i+2], |
| 427 | buf[i+3], |
| 428 | buf[i+4], |
| 429 | buf[i+5], |
| 430 | buf[i+6], |
| 431 | buf[i+7]); |
| 432 | } |
| 433 | |
| 434 | // Dump the bytes in the last line |
| 435 | for (; i < buf_len; i++) |
| 436 | { |
| 437 | vos_trace_msg( module, level, "%02x ", buf[i]); |
| 438 | if ((i+1) == buf_len) |
| 439 | vos_trace_msg( module, level, "\n"); |
| 440 | } |
| 441 | |
| 442 | } |
| 443 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 444 | #endif |
Leela Venkata Kiran Kumar Reddy Chirala | 57af269 | 2013-04-10 22:39:51 -0700 | [diff] [blame^] | 445 | |
| 446 | /*----------------------------------------------------------------------------- |
| 447 | \brief vosTraceEnable() - Enable MTRACE for specific modules whose bits are |
| 448 | set in bitmask. set the bitmask according to enum value of the modules. |
| 449 | |
| 450 | this functions will be called when you issue ioctl as mentioned following |
| 451 | [iwpriv wlan0 setdumplog <value>]. |
| 452 | <value> - Decimal number, i.e. 64 decimal value shows only SME module, |
| 453 | 128 decimal value shows only PE module, 192 decimal value shows PE and SME. |
| 454 | |
| 455 | \param - bitmask_of_moduleId - as explained above set bitmask according to |
| 456 | enum of the modules. |
| 457 | 32 [dec] = 0010 0000 [bin] <enum of HDD is 5> |
| 458 | 64 [dec] = 0100 0000 [bin] <enum of SME is 6> |
| 459 | 128 [dec] = 1000 0000 [bin] <enum of PE is 7> |
| 460 | ---------------------------------------------------------------------------*/ |
| 461 | void vosTraceEnable(v_U32_t bitmask_of_moduleId) |
| 462 | { |
| 463 | int i; |
| 464 | if (bitmask_of_moduleId) |
| 465 | { |
| 466 | for (i=0; i<VOS_MODULE_ID_MAX; i++) |
| 467 | { |
| 468 | if (!((bitmask_of_moduleId >> i) & 1 )) |
| 469 | { |
| 470 | vostraceRestoreCBTable[i] = vostraceCBTable[i]; |
| 471 | vostraceCBTable[i] = NULL; |
| 472 | } |
| 473 | } |
| 474 | } |
| 475 | else |
| 476 | { |
| 477 | for (i=0; i<VOS_MODULE_ID_MAX; i++) |
| 478 | { |
| 479 | if (NULL != vostraceRestoreCBTable[i]) |
| 480 | { |
| 481 | vostraceCBTable[i] = vostraceRestoreCBTable[i]; |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | /*----------------------------------------------------------------------------- |
| 488 | \brief vosTraceInit() - Initializes vos trace structures and variables. |
| 489 | |
| 490 | Called immediately after vos_preopen, so that we can start recording HDD |
| 491 | events ASAP. |
| 492 | ----------------------------------------------------------------------------*/ |
| 493 | void vosTraceInit() |
| 494 | { |
| 495 | v_U8_t i; |
| 496 | gvosTraceData.head = INVALID_VOS_TRACE_ADDR; |
| 497 | gvosTraceData.tail = INVALID_VOS_TRACE_ADDR; |
| 498 | gvosTraceData.num = 0; |
| 499 | gvosTraceData.enable = TRUE; |
| 500 | gvosTraceData.dumpCount = DEFAULT_VOS_TRACE_DUMP_COUNT; |
| 501 | gvosTraceData.numSinceLastDump = 0; |
| 502 | |
| 503 | for (i=0; i<VOS_MODULE_ID_MAX; i++) |
| 504 | { |
| 505 | vostraceCBTable[i] = NULL; |
| 506 | vostraceRestoreCBTable[i] = NULL; |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | /*----------------------------------------------------------------------------- |
| 511 | \brief vos_trace() - puts the messages in to ring-buffer |
| 512 | |
| 513 | This function will be called from each module who wants record the messages |
| 514 | in circular queue. Before calling this functions make sure you have |
| 515 | registered your module with voss through vosTraceRegister function. |
| 516 | |
| 517 | \param module - enum of module, basically module id. |
| 518 | \param code - |
| 519 | \param session - |
| 520 | \param data - actual message contents. |
| 521 | ----------------------------------------------------------------------------*/ |
| 522 | void vos_trace(v_U8_t module, v_U8_t code, v_U8_t session, v_U32_t data) |
| 523 | { |
| 524 | tpvosTraceRecord rec = NULL; |
| 525 | |
| 526 | |
| 527 | if (!gvosTraceData.enable) |
| 528 | { |
| 529 | return; |
| 530 | } |
| 531 | //If module is not registered, don't record for that module. |
| 532 | if (NULL == vostraceCBTable[module]) |
| 533 | { |
| 534 | return; |
| 535 | } |
| 536 | |
| 537 | /* Aquire the lock so that only one thread at a time can fill the ring buffer */ |
| 538 | spin_lock(<raceLock); |
| 539 | |
| 540 | gvosTraceData.num++; |
| 541 | |
| 542 | if (gvosTraceData.num > MAX_VOS_TRACE_RECORDS) |
| 543 | { |
| 544 | gvosTraceData.num = MAX_VOS_TRACE_RECORDS; |
| 545 | } |
| 546 | |
| 547 | if (INVALID_VOS_TRACE_ADDR == gvosTraceData.head) |
| 548 | { |
| 549 | /* first record */ |
| 550 | gvosTraceData.head = 0; |
| 551 | gvosTraceData.tail = 0; |
| 552 | } |
| 553 | else |
| 554 | { |
| 555 | /* queue is not empty */ |
| 556 | v_U32_t tail = gvosTraceData.tail + 1; |
| 557 | |
| 558 | if (MAX_VOS_TRACE_RECORDS == tail) |
| 559 | { |
| 560 | tail = 0; |
| 561 | } |
| 562 | |
| 563 | if (gvosTraceData.head == tail) |
| 564 | { |
| 565 | /* full */ |
| 566 | if (MAX_VOS_TRACE_RECORDS == ++gvosTraceData.head) |
| 567 | { |
| 568 | gvosTraceData.head = 0; |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | gvosTraceData.tail = tail; |
| 573 | } |
| 574 | |
| 575 | rec = &gvosTraceTbl[gvosTraceData.tail]; |
| 576 | rec->code = code; |
| 577 | rec->session = session; |
| 578 | rec->data = data; |
| 579 | rec->time = vos_timer_get_system_time(); |
| 580 | rec->module = module; |
| 581 | gvosTraceData.numSinceLastDump ++; |
| 582 | spin_unlock(<raceLock); |
| 583 | } |
| 584 | |
| 585 | |
| 586 | /*----------------------------------------------------------------------------- |
| 587 | \brief vos_trace_spin_lock_init() - Initializes the lock variable before use |
| 588 | |
| 589 | This function will be called from vos_preOpen, we will have lock available |
| 590 | to use ASAP. |
| 591 | ----------------------------------------------------------------------------*/ |
| 592 | VOS_STATUS vos_trace_spin_lock_init() |
| 593 | { |
| 594 | spin_lock_init(<raceLock); |
| 595 | |
| 596 | return VOS_STATUS_SUCCESS; |
| 597 | } |
| 598 | |
| 599 | /*----------------------------------------------------------------------------- |
| 600 | \brief vosTraceRegister() - Registers the call back functions to display the |
| 601 | messages in particular format mentioned in these call back functions. |
| 602 | |
| 603 | this functions should be called by interested module in their init part as |
| 604 | we will be ready to register as soon as modules are up. |
| 605 | |
| 606 | \param moduleID - enum value of module |
| 607 | \param vostraceCb - call back functions to display the messages in particular |
| 608 | format. |
| 609 | ----------------------------------------------------------------------------*/ |
| 610 | void vosTraceRegister(VOS_MODULE_ID moduleID, tpvosTraceCb vostraceCb) |
| 611 | { |
| 612 | vostraceCBTable[moduleID] = vostraceCb; |
| 613 | } |
| 614 | |
| 615 | /*------------------------------------------------------------------------------ |
| 616 | \brief vosTraceDumpAll() - Dump data from ring buffer via call back functions |
| 617 | registered with VOSS |
| 618 | |
| 619 | This function will be called up on issueing ioctl call as mentioned following |
| 620 | [iwpriv wlan0 dumplog 0 0 <n> <bitmask_of_module>] |
| 621 | |
| 622 | <n> - number lines to dump starting from tail to head. |
| 623 | |
| 624 | <bitmask_of_module> - if anybody wants to know how many messages were recorded |
| 625 | for particular module/s mentioned by setbit in bitmask from last <n> messages. |
| 626 | it is optional, if you don't provide then it will dump everything from buffer. |
| 627 | |
| 628 | \param pMac - context of particular module |
| 629 | \param code - |
| 630 | \param session - |
| 631 | \param count - number of lines to dump starting from tail to head |
| 632 | ----------------------------------------------------------------------------*/ |
| 633 | void vosTraceDumpAll(void *pMac, v_U8_t code, v_U8_t session, |
| 634 | v_U32_t count, v_U32_t bitmask_of_module) |
| 635 | { |
| 636 | tvosTraceRecord pRecord; |
| 637 | tANI_S32 i, tail; |
| 638 | |
| 639 | |
| 640 | if (!gvosTraceData.enable) |
| 641 | { |
| 642 | VOS_TRACE( VOS_MODULE_ID_SYS, |
| 643 | VOS_TRACE_LEVEL_ERROR, "Tracing Disabled"); |
| 644 | return; |
| 645 | } |
| 646 | |
| 647 | VOS_TRACE( VOS_MODULE_ID_SYS, VOS_TRACE_LEVEL_ERROR, |
| 648 | "Total Records: %d, Head: %d, Tail: %d", |
| 649 | gvosTraceData.num, gvosTraceData.head, gvosTraceData.tail); |
| 650 | |
| 651 | /* Aquire the lock so that only one thread at a time can read the ring buffer */ |
| 652 | spin_lock(<raceLock); |
| 653 | |
| 654 | if (gvosTraceData.head != INVALID_VOS_TRACE_ADDR) |
| 655 | { |
| 656 | i = gvosTraceData.head; |
| 657 | tail = gvosTraceData.tail; |
| 658 | |
| 659 | if (count) |
| 660 | { |
| 661 | if (count > gvosTraceData.num) |
| 662 | { |
| 663 | count = gvosTraceData.num; |
| 664 | } |
| 665 | if (tail >= (count - 1)) |
| 666 | { |
| 667 | i = tail - count + 1; |
| 668 | } |
| 669 | else if (count != MAX_VOS_TRACE_RECORDS) |
| 670 | { |
| 671 | i = MAX_VOS_TRACE_RECORDS - ((count - 1) - tail); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | pRecord = gvosTraceTbl[i]; |
| 676 | /* right now we are not using numSinceLastDump member but in future |
| 677 | we might re-visit and use this member to track how many latest |
| 678 | messages got added while we were dumping from ring buffer */ |
| 679 | gvosTraceData.numSinceLastDump = 0; |
| 680 | spin_unlock(<raceLock); |
| 681 | for (;;) |
| 682 | { |
| 683 | if ((code == 0 || (code == pRecord.code)) && |
| 684 | (vostraceCBTable[pRecord.module] != NULL)) |
| 685 | { |
| 686 | if (0 == bitmask_of_module) |
| 687 | { |
| 688 | vostraceCBTable[pRecord.module](pMac, &pRecord, (v_U16_t)i); |
| 689 | } |
| 690 | else |
| 691 | { |
| 692 | if (bitmask_of_module & (1 << pRecord.module)) |
| 693 | { |
| 694 | vostraceCBTable[pRecord.module](pMac, &pRecord, (v_U16_t)i); |
| 695 | } |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | if (i == tail) |
| 700 | { |
| 701 | break; |
| 702 | } |
| 703 | i += 1; |
| 704 | |
| 705 | spin_lock(<raceLock); |
| 706 | if (MAX_VOS_TRACE_RECORDS == i) |
| 707 | { |
| 708 | i = 0; |
| 709 | pRecord= gvosTraceTbl[0]; |
| 710 | } |
| 711 | else |
| 712 | { |
| 713 | pRecord = gvosTraceTbl[i]; |
| 714 | } |
| 715 | spin_unlock(<raceLock); |
| 716 | } |
| 717 | } |
| 718 | else |
| 719 | { |
| 720 | spin_unlock(<raceLock); |
| 721 | } |
| 722 | } |