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Diffstat (limited to 'uapi/linux/a_debug.h')
| -rw-r--r-- | uapi/linux/a_debug.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/uapi/linux/a_debug.h b/uapi/linux/a_debug.h new file mode 100644 index 000000000000..62931060cf08 --- /dev/null +++ b/uapi/linux/a_debug.h @@ -0,0 +1,202 @@ +/* + * Copyright (c) 2013-2015 The Linux Foundation. All rights reserved. + * + * Previously licensed under the ISC license by Qualcomm Atheros, Inc. + * + * + * Permission to use, copy, modify, and/or distribute this software for + * any purpose with or without fee is hereby granted, provided that the + * above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * This file was originally distributed by Qualcomm Atheros, Inc. + * under proprietary terms before Copyright ownership was assigned + * to the Linux Foundation. + */ + +#ifndef _A_DEBUG_H_ +#define _A_DEBUG_H_ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#include <a_types.h> +#include "osapi_linux.h" + +/* standard debug print masks bits 0..7 */ +#define ATH_DEBUG_ERR (1 << 0) /* errors */ +#define ATH_DEBUG_WARN (1 << 1) /* warnings */ +#define ATH_DEBUG_INFO (1 << 2) /* informational (module startup info) */ +#define ATH_DEBUG_TRC (1 << 3) /* generic function call tracing */ +#define ATH_DEBUG_RSVD1 (1 << 4) +#define ATH_DEBUG_RSVD2 (1 << 5) +#define ATH_DEBUG_RSVD3 (1 << 6) +#define ATH_DEBUG_RSVD4 (1 << 7) + +#define ATH_DEBUG_MASK_DEFAULTS (ATH_DEBUG_ERR | ATH_DEBUG_WARN) +#define ATH_DEBUG_ANY 0xFFFF + +/* other aliases used throughout */ +#define ATH_DEBUG_ERROR ATH_DEBUG_ERR +#define ATH_LOG_ERR ATH_DEBUG_ERR +#define ATH_LOG_INF ATH_DEBUG_INFO +#define ATH_LOG_TRC ATH_DEBUG_TRC +#define ATH_DEBUG_TRACE ATH_DEBUG_TRC +#define ATH_DEBUG_INIT ATH_DEBUG_INFO + +/* bits 8..31 are module-specific masks */ +#define ATH_DEBUG_MODULE_MASK_SHIFT 8 + +/* macro to make a module-specific masks */ +#define ATH_DEBUG_MAKE_MODULE_MASK(index) (1 << (ATH_DEBUG_MODULE_MASK_SHIFT + (index))) + +void debug_dump_bytes(A_UCHAR *buffer, A_UINT16 length, + char *pDescription); + +/* Debug support on a per-module basis + * + * Usage: + * + * Each module can utilize it's own debug mask variable. A set of commonly used + * masks are provided (ERRORS, WARNINGS, TRACE etc..). It is up to each module + * to define module-specific masks using the macros above. + * + * Each module defines a single debug mask variable debug_XXX where the "name" of the module is + * common to all C-files within that module. This requires every C-file that includes a_debug.h + * to define the module name in that file. + * + * Example: + * + * #define ATH_MODULE_NAME htc + * #include "a_debug.h" + * + * This will define a debug mask structure called debug_htc and all debug macros will reference this + * variable. + * + * A module can define module-specific bit masks using the ATH_DEBUG_MAKE_MODULE_MASK() macro: + * + * #define ATH_DEBUG_MY_MASK1 ATH_DEBUG_MAKE_MODULE_MASK(0) + * #define ATH_DEBUG_MY_MASK2 ATH_DEBUG_MAKE_MODULE_MASK(1) + * + * The instantiation of the debug structure should be made by the module. When a module is + * instantiated, the module can set a description string, a default mask and an array of description + * entries containing information on each module-defined debug mask. + * NOTE: The instantiation is statically allocated, only one instance can exist per module. + * + * Example: + * + * + * #define ATH_DEBUG_BMI ATH_DEBUG_MAKE_MODULE_MASK(0) + * + * #ifdef DEBUG + * static ATH_DEBUG_MASK_DESCRIPTION bmi_debug_desc[] = { + * { ATH_DEBUG_BMI , "BMI Tracing"}, <== description of the module specific mask + * }; + * + * ATH_DEBUG_INSTANTIATE_MODULE_VAR(bmi, + * "bmi" <== module name + * "Boot Manager Interface", <== description of module + * ATH_DEBUG_MASK_DEFAULTS, <== defaults + * ATH_DEBUG_DESCRIPTION_COUNT(bmi_debug_desc), + * bmi_debug_desc); + * + * #endif + * + * A module can optionally register it's debug module information in order for other tools to change the + * bit mask at runtime. A module can call A_REGISTER_MODULE_DEBUG_INFO() in it's module + * init code. This macro can be called multiple times without consequence. The debug info maintains + * state to indicate whether the information was previously registered. + * + * */ + +#define ATH_DEBUG_MAX_MASK_DESC_LENGTH 32 +#define ATH_DEBUG_MAX_MOD_DESC_LENGTH 64 + +typedef struct { + A_UINT32 Mask; + A_CHAR Description[ATH_DEBUG_MAX_MASK_DESC_LENGTH]; +} ATH_DEBUG_MASK_DESCRIPTION; + +#define ATH_DEBUG_INFO_FLAGS_REGISTERED (1 << 0) + +typedef struct _ATH_DEBUG_MODULE_DBG_INFO { + struct _ATH_DEBUG_MODULE_DBG_INFO *pNext; + A_CHAR ModuleName[16]; + A_CHAR ModuleDescription[ATH_DEBUG_MAX_MOD_DESC_LENGTH]; + A_UINT32 Flags; + A_UINT32 CurrentMask; + int MaxDescriptions; + ATH_DEBUG_MASK_DESCRIPTION *pMaskDescriptions; /* pointer to array of descriptions */ +} ATH_DEBUG_MODULE_DBG_INFO; + +#define ATH_DEBUG_DESCRIPTION_COUNT(d) (int)((sizeof((d))) / (sizeof(ATH_DEBUG_MASK_DESCRIPTION))) + +#define GET_ATH_MODULE_DEBUG_VAR_NAME(s) _XGET_ATH_MODULE_NAME_DEBUG_(s) +#define GET_ATH_MODULE_DEBUG_VAR_MASK(s) _XGET_ATH_MODULE_NAME_DEBUG_(s).CurrentMask +#define _XGET_ATH_MODULE_NAME_DEBUG_(s) debug_ ## s + +#ifdef DEBUG + +/* for source files that will instantiate the debug variables */ +#define ATH_DEBUG_INSTANTIATE_MODULE_VAR(s,name,moddesc,initmask,count,descriptions) \ + ATH_DEBUG_MODULE_DBG_INFO GET_ATH_MODULE_DEBUG_VAR_NAME(s) = \ + {NULL,(name),(moddesc),0,(initmask),count,(descriptions)} + +#ifdef ATH_MODULE_NAME +extern ATH_DEBUG_MODULE_DBG_INFO +GET_ATH_MODULE_DEBUG_VAR_NAME(ATH_MODULE_NAME); +#define AR_DEBUG_LVL_CHECK(lvl) (GET_ATH_MODULE_DEBUG_VAR_MASK(ATH_MODULE_NAME) & (lvl)) +#endif /* ATH_MODULE_NAME */ + +#define ATH_DEBUG_SET_DEBUG_MASK(s,lvl) GET_ATH_MODULE_DEBUG_VAR_MASK(s) = (lvl) + +#define ATH_DEBUG_DECLARE_EXTERN(s) \ + extern ATH_DEBUG_MODULE_DBG_INFO GET_ATH_MODULE_DEBUG_VAR_NAME(s) + +#define AR_DEBUG_PRINTBUF(buffer, length, desc) debug_dump_bytes(buffer,length,desc) + +#define AR_DEBUG_ASSERT A_ASSERT + +void a_dump_module_debug_info(ATH_DEBUG_MODULE_DBG_INFO *pInfo); +void a_register_module_debug_info(ATH_DEBUG_MODULE_DBG_INFO *pInfo); +#ifdef A_SIMOS_DEVHOST +#define A_DUMP_MODULE_DEBUG_INFO(s) a_dump_module_debug_info(&(GET_ATH_MODULE_DEBUG_VAR_NAME(s))) +#define A_REGISTER_MODULE_DEBUG_INFO(s) a_register_module_debug_info(&(GET_ATH_MODULE_DEBUG_VAR_NAME(s))) +#else +#define A_DUMP_MODULE_DEBUG_INFO(s) +#define A_REGISTER_MODULE_DEBUG_INFO(s) +#endif + +#else /* !DEBUG */ +/* NON DEBUG */ +#define ATH_DEBUG_INSTANTIATE_MODULE_VAR(s,name,moddesc,initmask,count,descriptions) +#define AR_DEBUG_LVL_CHECK(lvl) 0 +#define AR_DEBUG_PRINTBUF(buffer, length, desc) +#define AR_DEBUG_ASSERT(test) +#define ATH_DEBUG_DECLARE_EXTERN(s) +#define ATH_DEBUG_SET_DEBUG_MASK(s,lvl) +#define A_DUMP_MODULE_DEBUG_INFO(s) +#define A_REGISTER_MODULE_DEBUG_INFO(s) + +#endif + +#if defined(__linux__) && !defined(LINUX_EMULATION) +#include "debug_linux.h" +#endif + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif |
