61 lines
2.0 KiB
C
Executable File
61 lines
2.0 KiB
C
Executable File
/*
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* Trace messages sent over HBUS
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*
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* $Copyright Open Broadcom Corporation$
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*
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* $Id: msgtrace.h 439681 2013-11-27 15:39:50Z $
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*/
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#ifndef _MSGTRACE_H
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#define _MSGTRACE_H
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#ifndef _TYPEDEFS_H_
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#include <typedefs.h>
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#endif
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/* This marks the start of a packed structure section. */
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#include <packed_section_start.h>
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/* for osl_t */
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#include <osl_decl.h>
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#define MSGTRACE_VERSION 1
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/* Message trace header */
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typedef BWL_PRE_PACKED_STRUCT struct msgtrace_hdr {
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uint8 version;
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uint8 trace_type;
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#define MSGTRACE_HDR_TYPE_MSG 0
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#define MSGTRACE_HDR_TYPE_LOG 1
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uint16 len; /* Len of the trace */
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uint32 seqnum; /* Sequence number of message. Useful if the messsage has been lost
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* because of DMA error or a bus reset (ex: SDIO Func2)
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*/
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/* Msgtrace type only */
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uint32 discarded_bytes; /* Number of discarded bytes because of trace overflow */
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uint32 discarded_printf; /* Number of discarded printf because of trace overflow */
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} BWL_POST_PACKED_STRUCT msgtrace_hdr_t;
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#define MSGTRACE_HDRLEN sizeof(msgtrace_hdr_t)
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/* The hbus driver generates traces when sending a trace message. This causes endless traces.
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* This flag must be set to TRUE in any hbus traces. The flag is reset in the function msgtrace_put.
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* This prevents endless traces but generates hasardous lost of traces only in bus device code.
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* It is recommendat to set this flag in macro SD_TRACE but not in SD_ERROR for avoiding missing
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* hbus error traces. hbus error trace should not generates endless traces.
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*/
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extern bool msgtrace_hbus_trace;
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typedef void (*msgtrace_func_send_t)(void *hdl1, void *hdl2, uint8 *hdr,
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uint16 hdrlen, uint8 *buf, uint16 buflen);
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extern void msgtrace_start(void);
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extern void msgtrace_stop(void);
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extern int msgtrace_sent(void);
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extern void msgtrace_put(char *buf, int count);
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extern void msgtrace_init(void *hdl1, void *hdl2, msgtrace_func_send_t func_send);
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extern bool msgtrace_event_enabled(void);
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/* This marks the end of a packed structure section. */
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#include <packed_section_end.h>
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#endif /* _MSGTRACE_H */
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