greth_desc_t Struct Reference

GRETH buffer descriptor (8 bytes, must be kept at natural alignment) More...

Detailed Description

GRETH buffer descriptor (8 bytes, must be kept at natural alignment)

The DMA engine accesses this structure directly over the AHB bus. Both fields must remain 32-bit to be compatible with the hardware on rv64.

Definition at line 89 of file greth.h.

#include <greth.h>

Data Fields
volatile uint32_t	ctrl
	Control/status word (see GRETH_BD_*)
volatile uint32_t	addr
	Physical address of the data buffer.

Field Documentation

addr

volatile uint32_t greth_desc_t::addr

Physical address of the data buffer.

Definition at line 91 of file greth.h.

ctrl

volatile uint32_t greth_desc_t::ctrl

Control/status word (see GRETH_BD_*)

Definition at line 90 of file greth.h.

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

• drivers/greth/include/greth.h