ipc4_notification_header Union Reference

Standard 32-bit IPC4 notification primary header word. More...

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

Data Fields
uint32_t	dat
	Raw 32-bit register value.
struct {
uint32_t   rsvd0: 16
	Reserved bits. More...
uint32_t   notif_type: 8
	Notification type (enum sof_ipc4_notification_type). More...
uint32_t   type: 5
	Opcode: SOF_IPC4_GLB_NOTIFICATION (27). More...
uint32_t   rsp: 1
	Message direction: 0 for request/notification. More...
uint32_t   msg_tgt: 1
	Message target: 0 for global message. More...
uint32_t   _reserved_0: 1
	Reserved bit. More...
}	r
	Bitfield layout.

Detailed Description

Standard 32-bit IPC4 notification primary header word.

Field Documentation

_reserved_0

uint32_t ipc4_notification_header::_reserved_0

Reserved bit.

dat

uint32_t ipc4_notification_header::dat

Raw 32-bit register value.

msg_tgt

uint32_t ipc4_notification_header::msg_tgt

Message target: 0 for global message.

notif_type

uint32_t ipc4_notification_header::notif_type

Notification type (enum sof_ipc4_notification_type).

[struct]

struct { ... } ipc4_notification_header::r

Bitfield layout.

rsp

uint32_t ipc4_notification_header::rsp

Message direction: 0 for request/notification.

rsvd0

uint32_t ipc4_notification_header::rsvd0

Reserved bits.

type

uint32_t ipc4_notification_header::type

Opcode: SOF_IPC4_GLB_NOTIFICATION (27).

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

• src/include/ipc4/notification.h