///////////////////////////////////////////////////////////////////////
// vdmad.h
//
// Wrapper prototypes and defines for VDMAD services.
//
// Tetradyne VxBuild.
//
// Copyright (C) 1997, Tetradyne Software Inc.
// All rights reserved.
#ifndef VDMAD_H
#define VDMAD_H
#define Function_Mask 0x0F0
#define Channel_Mask 0x07
// mode bits
#define DMA_type_verify 0x0000
#define DMA_type_write 0x0004
#define DMA_type_read 0x0008
#define DMA_AutoInit 0x0010
#define DMA_AdrDec 0x0020
#define DMA_demand_mode 0x00
#define DMA_single_mode 0x40
#define DMA_block_mode 0x80
#define DMA_cascade 0xc0
#define DMA_mode_mask 0xc0 // mask to isolate controller mode bits (above)
#define DMA_chan_sel 0x03
// state flag bits (overlay the unused channel selection bits)
#define DMA_masked 0x01
#define DMA_masked_bit 0x00
#define DMA_requested 0x02
#define DMA_req_bit 0x01
// extended mode bits
#define Programmed_IO 0x01
#define PS2_AutoInit 0x02
#define Transfer_Data 0x04
#define Write_Mem 0x08
#define _16_bit_xfer 0x40
#define _16_bit_xfer_bit 0x06
typedef struct
{
DWORD physAddr;
DWORD size;
} REGION;
typedef struct Extended_DDS_Struc
{
DWORD DDS_size;
DWORD DDS_linear;
WORD DDS_seg;
WORD DDS_reserved;
WORD DDS_avail;
WORD DDS_used;
} EXTENDED_DDS, *PEXTENDED_DDS;
typedef struct
{
EXTENDED_DDS dds;
union
{
REGION regionInfo[1];
DWORD pte[1];
};
} DDS, *PDDS;
typedef DWORD HDMA;
#define DMA_Buf_Copy 0x02
#define DMA_Buf_Copy_bit 0x01
#define DMA_No_Alloc_Buf 0x04
#define DMA_No_Alloc_Buf_bit 0x02
#define DMA_Align_64K 0x10
#define DMA_Align_64K_bit 0x04
#define DMA_Align_128K 0x20
#define DMA_Align_128K_bit 0x05
#define DMA_Get_PgTable 0x40
#define DMA_Get_PgTable_bit 0x06
#define DMA_Allow_NPs 0x80
#define DMA_Allow_NPs_bit 0x07
#define DMA_Not_Contiguous 0x01
#define DMA_Not_Aligned 0x02
#define DMA_Lock_Failed 0x03
#define DMA_No_Buffer 0x04
#define DMA_Buffer_Too_Small 0x05
#define DMA_Buffer_In_Use 0x06
#define DMA_Invalid_Region 0x07
#define DMA_Region_Not_Locked 0x08
#define DMA_Table_Too_Small 0x09
#define DMA_Invalid_Buffer 0x0A
#define DMA_Copy_Out_Range 0x0B
#define DMA_Invalid_Channel 0x0C
#define DMA_Disable_Cnt_Overflow 0x0D
#define DMA_Disable_Cnt_Underflow 0x0E
#define DMA_Func_Not_Supported 0x0F
#define DMA_NonZero_Reserved_Flags 0x10
// Flags definitions for VDMAD_Scatter_Lock and VDMAD_Scatter_Unlock
#define DMA_SL_Get_PgTable 0x01
#define DMA_SL_Get_PgTable_bit 0x00
#define DMA_SL_Allow_NPs 0x02
#define DMA_SL_Allow_NPs_bit 0x01
#define DMA_SL_Dont_Dirty 0x04
#define DMA_SL_Dont_Dirty_bit 0x02
#define VDMAD_Callbacks_ReadNotify 0x01
#define VDMAD_Callbacks_Valid 0x01
#define VDMAD_Callback_ReadCount 0x01
#define VDMAD_Callback_ReadPage 0x02
#define VDMAD_Callback_ReadBase 0x03
// VDMAD wrappers in vxbuild.clb
MAKE_HEADER(BOOL,_stdcall,VDMAD_Copy_From_Buffer,(ULONG nBufferID, PVOID pRegion, ULONG nBufferOffset, ULONG nBufferSize, PULONG pnError))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Copy_To_Buffer,(ULONG nBufferID, ULONG nRegion, ULONG nBufferOffset, ULONG nBufferSize, PULONG pnError))
MAKE_HEADER(void,_stdcall,VDMAD_Default_Handler,(HDMA hDMA, HVM hVM))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Disable_Translation,(HDMA hDMA, HVM hVM))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Enable_Translation,(HDMA hDMA, HVM hVM))
MAKE_HEADER(ULONG,_stdcall,VDMAD_Get_EISA_Adr_Mode,(ULONG nChannel, HDMA hDMA))
MAKE_HEADER(void,_stdcall,VDMAD_Get_Region_Info,(HDMA hDMA, PULONG pnBufferID, PBOOL pbLocked, PVOID* ppRegion, PULONG pnSize))
MAKE_HEADER(void,_stdcall,VDMAD_Get_Virt_State,(HDMA hDMA, HVM hVM, PVOID* ppAddress, PULONG pnCount, PULONG pnMode))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Lock_DMA_Region,(PVOID pRegion, ULONG nRegionSize, ULONG nAlignment, PULONG pnAddress, PULONG pnCount, PULONG pnError))
MAKE_HEADER(void,_stdcall,VDMAD_Mask_Channel,(HDMA hDMA))
MAKE_HEADER(void,_stdcall,VDMAD_Phys_Mask_Channel,(HDMA hDMA))
MAKE_HEADER(void,_stdcall,VDMAD_Phys_Unmask_Channel,(HDMA hDMA, HVM hVM))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Release_Buffer,(ULONG nBuffer))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Request_Buffer,(HDMA hDMA, ULONG RegionSize, PULONG pnID, PVOID* ppBuf, PULONG pnError))
MAKE_HEADER(void,_stdcall,VDMAD_Reserve_Buffer_Space,(ULONG PageCount, ULONG MaxAddress))
MAKE_HEADER(ULONG,_stdcall,VDMAD_Scatter_Lock,(HVM hVM, ULONG fFlags, ULONG DDS))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Scatter_Unlock,(HVM hVM, ULONG fFlags, ULONG DDS))
MAKE_HEADER(void,_stdcall,VDMAD_Set_EISA_Adr_Mode,(ULONG Channel, HDMA hDMA, ULONG nMode))
MAKE_HEADER(void,_stdcall,VDMAD_Set_IO_Address,(ULONG nChannel_Number, ULONG nPort_Number))
MAKE_HEADER(void,_stdcall,VDMAD_Set_Phys_State,(HDMA hDMA, HVM hVM, \
ULONG fMode, ULONG fExtMode))
MAKE_HEADER(void,_stdcall,VDMAD_Set_Region_Info,(HDMA hDMA, ULONG nBufferID, \
BOOL bLockStatus, ULONG nRegion, ULONG nRegionSize, ULONG physAddr))
MAKE_HEADER(void,_stdcall,VDMAD_Set_Virt_State,(HDMA hDMA, HVM hVM, ULONG nAddress, ULONG nSize, ULONG nMode, ULONG nExtMode))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Unlock_DMA_Region,(ULONG nDMA_Region, ULONG nSize))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Unlock_DMA_Region_No_Dirty,(ULONG nDMA_Region, ULONG nSize))
MAKE_HEADER(void,_stdcall,VDMAD_UnMask_Channel,(HDMA hDMA, HVM hVM))
MAKE_HEADER(BOOL,_stdcall,VDMAD_Unvirtualize_Channel,(HDMA hChannel))
MAKE_HEADER(HDMA,_stdcall,VDMAD_Virtualize_Channel,(ULONG nChannel,
ULONG pfnCallback))
#define VDMAD_Copy_From_Buffer PREPEND(VDMAD_Copy_From_Buffer)
#define VDMAD_Copy_To_Buffer PREPEND(VDMAD_Copy_To_Buffer)
#define VDMAD_Default_Handler PREPEND(VDMAD_Default_Handler)
#define VDMAD_Disable_Translation PREPEND(VDMAD_Disable_Translation)
#define VDMAD_Enable_Translation PREPEND(VDMAD_Enable_Translation)
#define VDMAD_Get_EISA_Adr_Mode PREPEND(VDMAD_Get_EISA_Adr_Mode)
#define VDMAD_Get_Region_Info PREPEND(VDMAD_Get_Region_Info)
#define VDMAD_Get_Virt_State PREPEND(VDMAD_Get_Virt_State)
#define VDMAD_Lock_DMA_Region PREPEND(VDMAD_Lock_DMA_Region)
#define VDMAD_Mask_Channel PREPEND(VDMAD_Mask_Channel)
#define VDMAD_Phys_Mask_Channel PREPEND(VDMAD_Phys_Mask_Channel)
#define VDMAD_Phys_Unmask_Channel PREPEND(VDMAD_Phys_Unmask_Channel)
#define VDMAD_Release_Buffer PREPEND(VDMAD_Release_Buffer)
#define VDMAD_Request_Buffer PREPEND(VDMAD_Request_Buffer)
#define VDMAD_Reserve_Buffer_Space PREPEND(VDMAD_Reserve_Buffer_Space)
#define VDMAD_Scatter_Lock PREPEND(VDMAD_Scatter_Lock)
#define VDMAD_Scatter_Unlock PREPEND(VDMAD_Scatter_Unlock)
#define VDMAD_Set_EISA_Adr_Mode PREPEND(VDMAD_Set_EISA_Adr_Mode)
#define VDMAD_Set_IO_Address PREPEND(VDMAD_Set_IO_Address)
#define VDMAD_Set_Phys_State PREPEND(VDMAD_Set_Phys_State)
#define VDMAD_Set_Region_Info PREPEND(VDMAD_Set_Region_Info)
#define VDMAD_Set_Virt_State PREPEND(VDMAD_Set_Virt_State)
#define VDMAD_Unlock_DMA_Region PREPEND(VDMAD_Unlock_DMA_Region)
#define VDMAD_Unlock_DMA_Region_No_Dirty PREPEND(VDMAD_Unlock_DMA_Region_No_Dirty)
#define VDMAD_UnMask_Channel PREPEND(VDMAD_UnMask_Channel)
#define VDMAD_Unvirtualize_Channel PREPEND(VDMAD_Unvirtualize_Channel)
#define VDMAD_Virtualize_Channel PREPEND(VDMAD_Virtualize_Channel)
#endif // ifndef VDMAD_H
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