dma_trace_buf Struct Reference

Internal ring buffer descriptor for DSP trace packets. More...

#include <src/include/sof/trace/dma-trace.h>

Data Fields
void *	w_ptr
	Buffer write pointer where new trace packets are appended.
void *	r_ptr
	Buffer read pointer tracking data transferred by DMA.
void *	addr
	Base address of the circular trace buffer.
void *	end_addr
	Upper boundary address of the trace buffer.
uint32_t	size
	Total size of the buffer in bytes.
uint32_t	avail
	Number of readable bytes currently available.

Detailed Description

Internal ring buffer descriptor for DSP trace packets.

Field Documentation

addr

void* dma_trace_buf::addr

Base address of the circular trace buffer.

avail

uint32_t dma_trace_buf::avail

Number of readable bytes currently available.

end_addr

void* dma_trace_buf::end_addr

Upper boundary address of the trace buffer.

r_ptr

void* dma_trace_buf::r_ptr

Buffer read pointer tracking data transferred by DMA.

size

uint32_t dma_trace_buf::size

Total size of the buffer in bytes.

w_ptr

void* dma_trace_buf::w_ptr

Buffer write pointer where new trace packets are appended.

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The documentation for this struct was generated from the following file:

• src/include/sof/trace/dma-trace.h