Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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Virtual DMA Device
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VDMAD_Copy_From_Buffer      Copy from DMA buffer
VDMAD_Copy_To_Buffer        Copy into DMA buffer
VDMAD_Default_Handler       Sets default DMA handler
VDMAD_Disable_Translation   Disables automatic translation
VDMAD_Enable_Translation    Enables automatic translation
VDMAD_Get_EISA_Adr_Mode     Returns EISA extended mode
VDMAD_Get_Region_Info       Returns information about region
VDMAD_Get_Version           Returns version number
VDMAD_Get_Virt_State        Returns state of DMA channel
VDMAD_Lock_DMA_Region       Locks a region for DMA transfer
VDMAD_Mask_Channel          Masks a channel to prevent transfers
VDMAD_Release_Buffer        Releases a DMA buffer
VDMAD_Request_Buffer        Requests a DMA buffer
VDMAD_Reserve_Buffer_Space  Allocates DMA buffer
VDMAD_Scatter_Lock          Locks pages and returns locations
VDMAD_Scatter_Unlock        Unlocks pages
VDMAD_Set_EISA_Adr_Mode     Sets EISA extended mode
VDMAD_Set_Phys_State        Programs controller state
VDMAD_Set_Region_Info       Sets region information
VDMAD_Set_Virt_State        Sets the virtual state for a DMA channel
VDMAD_Unlock_DMA_Region     Unlocks DMA region
VDMAD_UnMask_Channel        Unmasks DMA channel
VDMAD_Virtualize_Channel    Virtualizes a channel