DPDK
24.07.0
|
#include <rte_dmadev.h>
Data Fields | |
enum rte_dma_direction | direction |
uint16_t | nb_desc |
struct rte_dma_port_param | src_port |
struct rte_dma_port_param | dst_port |
struct rte_dma_auto_free_param | auto_free |
A structure used to configure a virtual DMA channel.
Definition at line 550 of file rte_dmadev.h.
enum rte_dma_direction direction |
Transfer direction
Definition at line 555 of file rte_dmadev.h.
uint16_t nb_desc |
Number of descriptor for the virtual DMA channel
Definition at line 557 of file rte_dmadev.h.
struct rte_dma_port_param src_port |
1) Used to describes the device access port parameter in the device-to-memory transfer scenario. 2) Used to describes the source device access port parameter in the device-to-device transfer scenario.
Definition at line 565 of file rte_dmadev.h.
struct rte_dma_port_param dst_port |
1) Used to describes the device access port parameter in the memory-to-device transfer scenario. 2) Used to describes the destination device access port parameter in the device-to-device transfer scenario.
Definition at line 573 of file rte_dmadev.h.
struct rte_dma_auto_free_param auto_free |
Buffer params to auto free buffer by hardware. To free the buffer by hardware, RTE_DMA_OP_FLAG_AUTO_FREE must be set while calling rte_dma_copy and rte_dma_copy_sg().
Definition at line 581 of file rte_dmadev.h.