API Reference Manual 1.51.0
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odp_dma_pool_param_t Struct Reference

DMA completion event pool parameters. More...

#include <dma_types.h>

Data Fields

uint32_t num
 Number of DMA completion events in the pool.
 
uint32_t uarea_size
 User area size in bytes.
 
struct { 
 
   void(*   init_fn )(void *uarea, uint32_t size,
       void *args, uint32_t index) 
 See uarea_init.init_fn of odp_pool_param_t for details (odp_pool_param_t::init_fn). More...
 
   void *   args 
 See uarea_init.args of odp_pool_param_t for details (odp_pool_param_t::args). More...
 
uarea_init 
 Parameters for user area initialization.
 
uint32_t cache_size
 Maximum number of events cached locally per thread.
 

Detailed Description

DMA completion event pool parameters.

Examples
odp_dma_perf.c, and odp_dmafwd.c.

Definition at line 98 of file api/spec/dma_types.h.

Field Documentation

◆ num

uint32_t odp_dma_pool_param_t::num

Number of DMA completion events in the pool.

Maximum value is defined by 'max_num' pool capability

Examples
odp_dma_perf.c, and odp_dmafwd.c.

Definition at line 102 of file api/spec/dma_types.h.

◆ uarea_size

uint32_t odp_dma_pool_param_t::uarea_size

User area size in bytes.

Maximum value is defined by 'max_uarea_size' pool capability. Specify as 0 if no user area is needed. The default value is 0.

Definition at line 109 of file api/spec/dma_types.h.

◆ init_fn

void(* odp_dma_pool_param_t::init_fn) (void *uarea, uint32_t size, void *args, uint32_t index)

See uarea_init.init_fn of odp_pool_param_t for details (odp_pool_param_t::init_fn).

Function is called during odp_dma_pool_create().

Definition at line 116 of file api/spec/dma_types.h.

◆ args

void* odp_dma_pool_param_t::args

See uarea_init.args of odp_pool_param_t for details (odp_pool_param_t::args).

Definition at line 120 of file api/spec/dma_types.h.

◆ cache_size

uint32_t odp_dma_pool_param_t::cache_size

Maximum number of events cached locally per thread.

See odp_pool_param_t::cache_size documentation for details. Valid values range from 'min_cache_size' to 'max_cache_size' capability. The default value is implementation specific and set by odp_dma_pool_param_init().

Examples
odp_dmafwd.c.

Definition at line 130 of file api/spec/dma_types.h.


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