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GitHub Repository: orangepi-xunlong/orangepi-build
 Path: blob/next/external/cache/sources/wl/include/msgtrace.h
Views: 3959
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/*

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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 370068 2012-11-20 21:40:05Z $

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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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#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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