rte_dma_vchan_conf - Man Page

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
struct rte_dma_inter_domain_param domain

Transfer direction

See also

enum rte_dma_direction

Definition at line 654 of file rte_dmadev​.h​.

Number of descriptor for the virtual DMA channel

Definition at line 656 of file rte_dmadev​.h​.

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

struct rte_dma_port_param

Definition at line 664 of file rte_dmadev​.h​.

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

struct rte_dma_port_param

Definition at line 672 of file rte_dmadev​.h​.

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

RTE_DMA_OP_FLAG_AUTO_FREE

struct rte_dma_auto_free_param

Definition at line 680 of file rte_dmadev​.h​.

Parameters for inter-process or inter-OS domain DMA transfers​. This field specifies the source and destination domain handlers required for DMA operations that span across different processes or operating system domains​.

See also

RTE_DMA_CAPA_INTER_PROCESS_DOMAIN

RTE_DMA_CAPA_INTER_OS_DOMAIN

struct rte_dma_inter_domain_param

Definition at line 690 of file rte_dmadev​.h​.