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

enum rte_dma_direction direction¶

Transfer direction

See also

Definition at line 574 of file rte_dmadev.h.

uint16_t nb_desc¶

Number of descriptor for the virtual DMA channel

Definition at line 576 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.

See also

Definition at line 584 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.

See also

Definition at line 592 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().

See also

Definition at line 600 of file rte_dmadev.h.