IPC3 Audio probe points, DMA descriptors, and configuration commands. More...

Include dependency graph for probe.h:

Data Structures
struct	probe_dma
	Host DMA channel descriptor allocated for audio probes. More...

union	probe_point_id_t
	Packed identifier identifying target audio buffer for probe attachment. More...

struct	probe_point
	Probe tap point descriptor binding a pipeline buffer to a probe purpose. More...

struct	sof_ipc_probe_dma_add_params
	DMA ADD for probes payload (SOF_IPC_PROBE_INIT, SOF_IPC_PROBE_DMA_ADD). More...

struct	sof_ipc_probe_info_params
	Reply to INFO queries (SOF_IPC_PROBE_DMA_INFO, SOF_IPC_PROBE_POINT_INFO). More...

struct	sof_ipc_probe_dma_remove_params
	Probe DMA remove payload (SOF_IPC_PROBE_DMA_REMOVE). More...

struct	sof_ipc_probe_point_add_params
	Add probe points payload (SOF_IPC_PROBE_POINT_ADD). More...

struct	sof_ipc_probe_point_remove_params
	Remove probe points payload (SOF_IPC_PROBE_POINT_REMOVE). More...

Macros
#define	PROBE_LOGGING_BUFFER_ID 0
	Buffer ID used in probe stream headers for extraction logging packets.

Probe Tap Point Purpose
Intended direction and role of the probe connection.
#define	PROBE_PURPOSE_EXTRACTION 0x1
	Extract audio stream from buffer to host.

#define	PROBE_PURPOSE_INJECTION 0x2
	Inject host audio stream into buffer.

#define	PROBE_PURPOSE_LOGGING 0x3
	Route probe packets to logging backend.

#define	PROBE_PURPOSE_TRACING 0x4
	Real-time pipeline trace capture.

Detailed Description

IPC3 Audio probe points, DMA descriptors, and configuration commands.

Macro Definition Documentation

#define PROBE_LOGGING_BUFFER_ID 0

Buffer ID used in probe stream headers for extraction logging packets.

#define PROBE_PURPOSE_EXTRACTION 0x1

Extract audio stream from buffer to host.

#define PROBE_PURPOSE_INJECTION 0x2

Inject host audio stream into buffer.

#define PROBE_PURPOSE_LOGGING 0x3

Route probe packets to logging backend.

#define PROBE_PURPOSE_TRACING 0x4

Real-time pipeline trace capture.