diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/net/wireless/bcmdhd/include/msgtrace.h | |
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/msgtrace.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/msgtrace.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/msgtrace.h b/drivers/net/wireless/bcmdhd/include/msgtrace.h new file mode 100644 index 00000000..8a3f691d --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/msgtrace.h @@ -0,0 +1,60 @@ +/* + * Trace messages sent over HBUS + * + * $Copyright Open Broadcom Corporation$ + * + * $Id: msgtrace.h 439681 2013-11-27 15:39:50Z $ + */ + +#ifndef _MSGTRACE_H +#define _MSGTRACE_H + +#ifndef _TYPEDEFS_H_ +#include <typedefs.h> +#endif + + +/* This marks the start of a packed structure section. */ +#include <packed_section_start.h> +/* for osl_t */ +#include <osl_decl.h> +#define MSGTRACE_VERSION 1 + +/* Message trace header */ +typedef BWL_PRE_PACKED_STRUCT struct msgtrace_hdr { + uint8 version; + uint8 trace_type; +#define MSGTRACE_HDR_TYPE_MSG 0 +#define MSGTRACE_HDR_TYPE_LOG 1 + uint16 len; /* Len of the trace */ + uint32 seqnum; /* Sequence number of message. Useful if the messsage has been lost + * because of DMA error or a bus reset (ex: SDIO Func2) + */ + /* Msgtrace type only */ + uint32 discarded_bytes; /* Number of discarded bytes because of trace overflow */ + uint32 discarded_printf; /* Number of discarded printf because of trace overflow */ +} BWL_POST_PACKED_STRUCT msgtrace_hdr_t; + +#define MSGTRACE_HDRLEN sizeof(msgtrace_hdr_t) + +/* The hbus driver generates traces when sending a trace message. This causes endless traces. + * This flag must be set to TRUE in any hbus traces. The flag is reset in the function msgtrace_put. + * This prevents endless traces but generates hasardous lost of traces only in bus device code. + * It is recommendat to set this flag in macro SD_TRACE but not in SD_ERROR for avoiding missing + * hbus error traces. hbus error trace should not generates endless traces. + */ +extern bool msgtrace_hbus_trace; + +typedef void (*msgtrace_func_send_t)(void *hdl1, void *hdl2, uint8 *hdr, + uint16 hdrlen, uint8 *buf, uint16 buflen); +extern void msgtrace_start(void); +extern void msgtrace_stop(void); +extern int msgtrace_sent(void); +extern void msgtrace_put(char *buf, int count); +extern void msgtrace_init(void *hdl1, void *hdl2, msgtrace_func_send_t func_send); +extern bool msgtrace_event_enabled(void); + +/* This marks the end of a packed structure section. */ +#include <packed_section_end.h> + +#endif /* _MSGTRACE_H */ |