ipc4_pipeline_create Struct Reference

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

#include <src/include/ipc4/pipeline.h>

Data Fields
union {
uint32_t   dat
	Raw 32-bit Primary register value. More...
struct {
uint32_t   ppl_mem_size: 11
	Number of 4KB memory pages allocated for pipeline. More...
uint32_t   ppl_priority: 5
	Scheduling priority (enum ipc4_pipeline_priority). More...
uint32_t   instance_id: 8
	Pipeline instance identifier (0..max_ppl-1). More...
uint32_t   type: 5
	Opcode: SOF_IPC4_GLB_CREATE_PIPELINE (17). More...
uint32_t   rsp: 1
	0 for request. More...
uint32_t   msg_tgt: 1
	0 for global firmware message. More...
uint32_t   _reserved_0: 1
	Reserved bit. More...
}   r
}	primary
union {
uint32_t   dat
	Raw 32-bit Extension register value. More...
struct {
uint32_t   lp: 1
	1 = low power pipeline (kept running during D0i3). More...
uint32_t   rsvd1: 3
	Reserved bits. More...
uint32_t   attributes: 16
	Pipeline hardware attributes bitmask. More...
uint32_t   core_id: 4
	Target DSP core ID hosting this pipeline. More...
uint32_t   rsvd2: 5
	Reserved bits. More...
uint32_t   payload: 1
	1 if struct ipc4_pipeline_ext_payload follows. More...
uint32_t   _reserved_2: 2
	Reserved bits. More...
}   r
}	extension

Detailed Description

Pipeline creation command structure (SOF_IPC4_GLB_CREATE_PIPELINE).

Field Documentation

_reserved_0

uint32_t ipc4_pipeline_create::_reserved_0

Reserved bit.

_reserved_2

uint32_t ipc4_pipeline_create::_reserved_2

Reserved bits.

attributes

uint32_t ipc4_pipeline_create::attributes

Pipeline hardware attributes bitmask.

core_id

uint32_t ipc4_pipeline_create::core_id

Target DSP core ID hosting this pipeline.

dat

uint32_t ipc4_pipeline_create::dat

Raw 32-bit Primary register value.

Raw 32-bit Extension register value.

[union]

union { ... } ipc4_pipeline_create::extension

instance_id

uint32_t ipc4_pipeline_create::instance_id

Pipeline instance identifier (0..max_ppl-1).

lp

uint32_t ipc4_pipeline_create::lp

1 = low power pipeline (kept running during D0i3).

msg_tgt

uint32_t ipc4_pipeline_create::msg_tgt

0 for global firmware message.

payload

uint32_t ipc4_pipeline_create::payload

1 if struct ipc4_pipeline_ext_payload follows.

ppl_mem_size

uint32_t ipc4_pipeline_create::ppl_mem_size

Number of 4KB memory pages allocated for pipeline.

ppl_priority

uint32_t ipc4_pipeline_create::ppl_priority

Scheduling priority (enum ipc4_pipeline_priority).

[union]

union { ... } ipc4_pipeline_create::primary

[struct] [1/2]

struct { ... } ipc4_pipeline_create::r

[struct] [2/2]

struct { ... } ipc4_pipeline_create::r

rsp

uint32_t ipc4_pipeline_create::rsp

0 for request.

rsvd1

uint32_t ipc4_pipeline_create::rsvd1

Reserved bits.

rsvd2

uint32_t ipc4_pipeline_create::rsvd2

Reserved bits.

type

uint32_t ipc4_pipeline_create::type

Opcode: SOF_IPC4_GLB_CREATE_PIPELINE (17).

---

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

• src/include/ipc4/pipeline.h