Jungo WinDriver  
Official Documentation

◆ WD_DMATransactionInit

#define WD_DMATransactionInit (   h,
  pDma 
)
Value:
#define FALSE
Definition: kpstdlib.h:260
#define IOCTL_WD_DMA_TRANSACTION_INIT
Definition: windrvr.h:1670
#define WD_FUNCTION
Definition: windrvr.h:1843
#define SIZE_OF_WD_DMA(pDma)
Definition: windrvr.h:1850

Initializes the transaction, allocates a DMA buffer, locks it in physical memory, and returns mappings of the allocated buffer to physical address space and to user-mode and kernel virtual address spaces.

Parameters
[in]hHandle to WinDriver's kernel-mode driver as received from WD_Open().
[in,out]pDmaPointer to a DMA information structure
Returns
Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise

Definition at line 2060 of file windrvr.h.