dma_tag_t Struct Reference

#include <packet2_types.h>

Data Fields
u64	QWC: 16
u64	PAD: 10
u64	PCE: 2
u64	ID: 3
u64	IRQ: 1
u64	ADDR: 31
u64	SPR: 1
u32	OPT1
u32	OPT2

Detailed Description

Destination chain tag.

Definition at line 89 of file packet2_types.h.

Field Documentation

ADDR

u64 dma_tag_t::ADDR

Address. Address of packet or next tag instruction (With qword alignment, lower 4 bits become 0.)

Definition at line 115 of file packet2_types.h.

Referenced by packet2_chain_set_dma_tag().

ID

u64 dma_tag_t::ID

Tag ID. (look at DmaTagType)

Definition at line 103 of file packet2_types.h.

Referenced by packet2_chain_set_dma_tag().

IRQ

u64 dma_tag_t::IRQ

Interrupt Request. 0 No interrupt request 1 Interrupt request at end of packet transfer

Definition at line 109 of file packet2_types.h.

Referenced by packet2_chain_set_dma_tag().

OPT1

u32 dma_tag_t::OPT1

Definition at line 122 of file packet2_types.h.

OPT2

u32 dma_tag_t::OPT2

Definition at line 123 of file packet2_types.h.

PAD

u64 dma_tag_t::PAD

Definition at line 93 of file packet2_types.h.

PCE

u64 dma_tag_t::PCE

Priority Control Enable. 00 Nothing performed 01 Reserved 10 Priority setting disabled (D_PCR.PCE = 0) 11 Priority setting enabled (D_PCR.PCE = 1)

Definition at line 101 of file packet2_types.h.

Referenced by packet2_chain_set_dma_tag().

QWC

u64 dma_tag_t::QWC

Quadword count.

Definition at line 92 of file packet2_types.h.

Referenced by packet2_chain_close_tag(), and packet2_chain_set_dma_tag().

SPR

u64 dma_tag_t::SPR

Memory/SPR Selection. 0 Memory address 1 SPR address

Definition at line 121 of file packet2_types.h.

Referenced by packet2_chain_set_dma_tag().

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

• ee/packet2/include/packet2_types.h