xaxidma_bd.h File Reference

Macros
#define	XAxiDma_BdRead(BaseAddress, Offset)   (*(u32 *)((UINTPTR)(BaseAddress) + (u32)(Offset)))
	Read the given Buffer Descriptor word. More...
#define	XAxiDma_BdWrite(BaseAddress, Offset, Data)   (*(u32 *)((UINTPTR)(void *)(BaseAddress) + (u32)(Offset))) = (u32)(Data)
	Write the given Buffer Descriptor word. More...
#define	XAxiDma_BdWrite64(BaseAddress, Offset, Data)   (*(u64 *)((UINTPTR)(void *)(BaseAddress) + (u32)(Offset))) = (u64)(Data)
	Write the given Buffer Descriptor word. More...
#define	XAxiDma_BdClear(BdPtr)
	Zero out BD specific fields. More...
#define	XAxiDma_BdGetCtrl(BdPtr)
	Get the control bits for the BD. More...
#define	XAxiDma_BdGetSts(BdPtr)
	Retrieve the status of a BD. More...
#define	XAxiDma_BdGetLength(BdPtr, LengthMask)
	Retrieve the length field value from the given BD. More...
#define	XAxiDma_BdSetId(BdPtr, Id)   (XAxiDma_BdWrite((BdPtr), XAXIDMA_BD_ID_OFFSET, (UINTPTR)(Id)))
	Set the ID field of the given BD. More...
#define	XAxiDma_BdGetId(BdPtr)   (XAxiDma_BdRead((BdPtr), XAXIDMA_BD_ID_OFFSET))
	Retrieve the ID field of the given BD previously set with XAxiDma_BdSetId. More...
#define	XAxiDma_BdGetBufAddr(BdPtr)   (XAxiDma_BdRead((BdPtr), XAXIDMA_BD_BUFA_OFFSET))
	Get the BD's buffer address. More...
#define	XAxiDma_BdHwCompleted(BdPtr)
	Check whether a BD has completed in hardware. More...
#define	XAxiDma_BdGetActualLength(BdPtr, LengthMask)
	Get the actual transfer length of a BD. More...
#define	XAxiDma_BdSetTId(BdPtr, TId)
	Set the TID field of the TX BD. More...
#define	XAxiDma_BdGetTId(BdPtr)
	Retrieve the TID field of the RX BD previously set with XAxiDma_BdSetTId. More...
#define	XAxiDma_BdSetTDest(BdPtr, TDest)
	Set the TDEST field of the TX BD. More...
#define	XAxiDma_BdGetTDest(BdPtr)
	Retrieve the TDest field of the RX BD previously set with i XAxiDma_BdSetTDest. More...
#define	XAxiDma_BdSetTUser(BdPtr, TUser)
	Set the TUSER field of the TX BD. More...
#define	XAxiDma_BdGetTUser(BdPtr)
	Retrieve the TUSER field of the RX BD previously set with XAxiDma_BdSetTUser. More...
#define	XAxiDma_BdSetARCache(BdPtr, ARCache)
	Set the ARCACHE field of the given BD. More...
#define	XAxiDma_BdGetARCache(BdPtr)
	Retrieve the ARCACHE field of the given BD previously set with XAxiDma_BdSetARCache. More...
#define	XAxiDma_BdSetARUser(BdPtr, ARUser)
	Set the ARUSER field of the given BD. More...
#define	XAxiDma_BdGetARUser(BdPtr)
	Retrieve the ARUSER field of the given BD previously set with XAxiDma_BdSetARUser. More...
#define	XAxiDma_BdSetStride(BdPtr, Stride)
	Set the STRIDE field of the given BD. More...
#define	XAxiDma_BdGetStride(BdPtr)
	Retrieve the STRIDE field of the given BD previously set with XAxiDma_BdSetStride. More...
#define	XAxiDma_BdSetVSize(BdPtr, VSize)
	Set the VSIZE field of the given BD. More...
#define	XAxiDma_BdGetVSize(BdPtr)
	Retrieve the STRIDE field of the given BD previously set with XAxiDma_BdSetVSize. More...

Typedefs
typedef u32	XAxiDma_Bd [XAXIDMA_BD_NUM_WORDS]
	The XAxiDma_Bd is the type for a buffer descriptor (BD). More...

Functions
int	XAxiDma_BdSetLength (XAxiDma_Bd *BdPtr, u32 LenBytes, u32 LengthMask)
	Set the length field for the given BD. More...
u32	XAxiDma_BdSetBufAddr (XAxiDma_Bd *BdPtr, UINTPTR Addr)
	Set the BD's buffer address. More...
u32	XAxiDma_BdSetBufAddrMicroMode (XAxiDma_Bd *BdPtr, UINTPTR Addr)
	Set the BD's buffer address when configured for Micro Mode. More...
int	XAxiDma_BdSetAppWord (XAxiDma_Bd *BdPtr, int Offset, u32 Word)
	Set the APP word at the specified APP word offset for a BD. More...
u32	XAxiDma_BdGetAppWord (XAxiDma_Bd *BdPtr, int Offset, int *Valid)
	Get the APP word at the specified APP word offset for a BD. More...
void	XAxiDma_BdSetCtrl (XAxiDma_Bd *BdPtr, u32 Data)
	Set the control bits for a BD. More...
void	XAxiDma_DumpBd (XAxiDma_Bd *BdPtr)
	Dump the fields of a BD. More...