IPC4 pipeline creation, states, priorities, and management commands. More...

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Data Structures
struct	ipc4_pipeline_ext_object
	Header for extended pipeline initialization objects. More...

struct	ipc4_pipeline_ext_obj_mem_data
	Memory allocation parameters for pipeline execution context. More...

struct	ipc4_pipeline_ext_payload
	Container for extended pipeline creation payload. More...

struct	ipc4_pipeline_create
	Pipeline creation command structure (SOF_IPC4_GLB_CREATE_PIPELINE). More...

struct	ipc4_pipeline_delete
	Pipeline deletion command structure (SOF_IPC4_GLB_DELETE_PIPELINE). More...

struct	ipc4_pipeline_set_state_data
	Payload array containing pipeline IDs for multi-pipeline state transitions. More...

struct	ipc4_pipeline_set_state
	Pipeline state transition command structure (SOF_IPC4_GLB_SET_PIPELINE_STATE). More...

struct	ipc4_pipeline_set_state_reply
	Reply structure for pipeline state transition. More...

struct	ipc4_pipeline_get_state
	Query pipeline current state command (SOF_IPC4_GLB_GET_PIPELINE_STATE). More...

struct	ipc4_pipeline_get_state_reply
	Reply structure containing pipeline current operational state. More...

struct	ipc4_pipeline_get_context_size
	Query memory context size required to serialize pipeline (SOF_IPC4_GLB_GET_PIPELINE_CONTEXT_SIZE). More...

struct	ipc4_pipeline_get_context_size_reply
	Reply structure for pipeline context size query. More...

struct	ipc4_chain_dma
	Direct DMA Chaining configuration command (SOF_IPC4_GLB_CHAIN_DMA). More...

Enumerations
enum	ipc4_pipeline_priority { SOF_IPC4_PIPELINE_PRIORITY_0 = 0 , SOF_IPC4_PIPELINE_PRIORITY_1 , SOF_IPC4_PIPELINE_PRIORITY_2 , SOF_IPC4_PIPELINE_PRIORITY_3 , SOF_IPC4_PIPELINE_PRIORITY_4 , SOF_IPC4_PIPELINE_PRIORITY_5 , SOF_IPC4_PIPELINE_PRIORITY_6 , SOF_IPC4_PIPELINE_PRIORITY_7 , SOF_IPC4_MAX_PIPELINE_PRIORITY = SOF_IPC4_PIPELINE_PRIORITY_7 }
	Pipeline execution scheduling priority levels. More...

enum	ipc4_pipeline_state { SOF_IPC4_PIPELINE_STATE_INVALID = 0 , SOF_IPC4_PIPELINE_STATE_UNINITIALIZED = 1 , SOF_IPC4_PIPELINE_STATE_RESET = 2 , SOF_IPC4_PIPELINE_STATE_PAUSED = 3 , SOF_IPC4_PIPELINE_STATE_RUNNING = 4 , SOF_IPC4_PIPELINE_STATE_EOS = 5 , SOF_IPC4_PIPELINE_STATE_ERROR_STOP , SOF_IPC4_PIPELINE_STATE_SAVED }
	Pipeline operational state machine values. More...

enum	ipc4_pipeline_ext_obj_id { IPC4_GLB_PIPE_EXT_OBJ_ID_INVALID = 0 , IPC4_GLB_PIPE_EXT_OBJ_ID_MEM_DATA = 1 , IPC4_GLB_PIPE_EXT_OBJ_ID_MAX = IPC4_GLB_PIPE_EXT_OBJ_ID_MEM_DATA }
	Extended pipeline object type identifiers. More...

Detailed Description

IPC4 pipeline creation, states, priorities, and management commands.

NOTE: This ABI uses bit fields and is non portable.

Data Structures