Jungo WinDriver  
Official Documentation
WD_DMA Struct Reference

#include <windrvr.h>

Data Fields

DWORD hDma
 Handle of DMA buffer.
 
PVOID pUserAddr
 User address.
 
KPTR pKernelAddr
 Kernel address.
 
DWORD dwBytes
 Size of buffer.
 
DWORD dwOptions
 The first three bytes refer to WD_DMA_OPTIONS The fourth byte is used for specifying the amount of DMA bits in the requested buffer.
 
DWORD dwPages
 Number of pages in buffer.
 
DWORD hCard
 Handle of relevant card as received from WD_CardRegister()
 
DMA_TRANSACTION_CALLBACK DMATransactionCallback
 
PVOID DMATransactionCallbackCtx
 
DWORD dwAlignment
 required alignment, used for contiguous mode only
 
DWORD dwMaxTransferSize
 used for scatter gather mode only
 
DWORD dwTransferElementSize
 used for scatter gather mode only
 
DWORD dwBytesTransferred
 bytes transferred count
 
WD_DMA_PAGE Page [WD_DMA_PAGES]
 

Detailed Description

Definition at line 532 of file windrvr.h.


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