qcacmn: Add minidump support in QDF

Add QDF wrappers for minidump logging, which logs
memory locations to be collected as part of minidump.

Change-Id: I2c6b648d3fbb3aed9aaf7eb4872df5befcae971f
CRs-Fixed: 2444081
Cette révision appartient à :
Karunakar Dasineni
2019-04-29 15:08:34 -07:00
révisé par nshrivas
Parent 52ac4710fa
révision 23d22c6d8a
2 fichiers modifiés avec 29 ajouts et 0 suppressions

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@@ -1386,4 +1386,16 @@ void qdf_logging_exit(void);
*/
int qdf_sprint_symbol(char *buffer, void *addr);
/**
* qdf_minidump_log() - Log memory address to be included in minidump
* @start_addr: Start address of the memory to be dumped
* @size: Size in bytes
* @name: String to identify this entry
*/
static inline
void qdf_minidump_log(void *start_addr, size_t size, const char *name)
{
__qdf_minidump_log(start_addr, size, name);
}
#endif /* __QDF_TRACE_H */

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@@ -29,6 +29,9 @@
/* older kernels have a bug in kallsyms, so ensure module.h is included */
#include <linux/module.h>
#include <linux/kallsyms.h>
#ifdef CONFIG_QCA_MINIDUMP
#include <linux/minidump_tlv.h>
#endif
#if !defined(__printf)
#define __printf(a, b)
@@ -337,4 +340,18 @@ static inline void __qdf_bug(void)
#define __QDF_SYMBOL_LEN 1
#endif
#ifdef CONFIG_QCA_MINIDUMP
static inline void
__qdf_minidump_log(void *start_addr, size_t size, const char *name)
{
if (fill_minidump_segments((uintptr_t)start_addr, size,
QCA_WDT_LOG_DUMP_TYPE_WLAN_MOD, (char *)name) < 0)
QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_INFO,
"%s: failed to log %pK (%s)\n",
__func__, start_addr, name);
}
#else
static inline void
__qdf_minidump_log(void *start_addr, size_t size, const char *name) {}
#endif
#endif /* __I_QDF_TRACE_H */