dmac_request Struct Reference
Asynchronous DMA request. More...
#include <dma_controller.h>
Collaboration diagram for dmac_request:
Data Fields | |
| struct slist | buf_list |
| List of buffers associated with this request. | |
| struct slist_node | node |
| List node for use by the DMAC driver. | |
| enum dma_direction | direction |
| Direction of the transfer (to or from the peripheral). | |
| enum dmac_reg_width | reg_width |
| Peripheral register width. | |
| enum dmac_burst_length | burst_length |
| Burst Transaction length. | |
| void(* | req_done )(struct dmac_channel *chan, struct dmac_request *req) |
| Callback called when the request is done. | |
| void * | context |
| Arbitrary data for use by the client. | |
| int | status |
| Status indicating success or failure. | |
| size_t | bytes_xfered |
| The number of bytes that were successfully transfered. | |
Detailed Description
Asynchronous DMA request.Definition at line 82 of file dma_controller.h.
Field Documentation
struct slist dmac_request::buf_list [read] |
List of buffers associated with this request.
Definition at line 84 of file dma_controller.h.
Referenced by aes_submit_request(), dmac_req_add_buffer(), dmac_req_init(), and sdmmc_mcihost_load_data().
| size_t dmac_request::bytes_xfered |
The number of bytes that were successfully transfered.
Definition at line 105 of file dma_controller.h.
Referenced by sdmmc_mcihost_load_data().
| void* dmac_request::context |
Direction of the transfer (to or from the peripheral).
Definition at line 88 of file dma_controller.h.
struct slist_node dmac_request::node [read] |
| void(* dmac_request::req_done)(struct dmac_channel *chan, struct dmac_request *req) |
Callback called when the request is done.
- Parameters:
-
chan Channel on which the request was performed req The request
Status indicating success or failure.
Definition at line 103 of file dma_controller.h.
Referenced by sdmmc_mcihost_load_data().
The documentation for this struct was generated from the following file:
- include/dmac/dma_controller.h
