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emacps
Vitis Drivers API Documentation
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Functions | |
LONG | XEmacPs_BdRingCreate (XEmacPs_BdRing *RingPtr, UINTPTR PhysAddr, UINTPTR VirtAddr, u32 Alignment, u32 BdCount) |
Using a memory segment allocated by the caller, create and setup the BD list for the given DMA channel. More... | |
LONG | XEmacPs_BdRingClone (XEmacPs_BdRing *RingPtr, XEmacPs_Bd *SrcBdPtr, u8 Direction) |
Clone the given BD into every BD in the list. More... | |
LONG | XEmacPs_BdRingAlloc (XEmacPs_BdRing *RingPtr, u32 NumBd, XEmacPs_Bd **BdSetPtr) |
Reserve locations in the BD list. More... | |
LONG | XEmacPs_BdRingUnAlloc (XEmacPs_BdRing *RingPtr, u32 NumBd, XEmacPs_Bd *BdSetPtr) |
Fully or partially undo an XEmacPs_BdRingAlloc() operation. More... | |
LONG | XEmacPs_BdRingToHw (XEmacPs_BdRing *RingPtr, u32 NumBd, XEmacPs_Bd *BdSetPtr) |
Enqueue a set of BDs to hardware that were previously allocated by XEmacPs_BdRingAlloc(). More... | |
u32 | XEmacPs_BdRingFromHwTx (XEmacPs_BdRing *RingPtr, u32 BdLimit, XEmacPs_Bd **BdSetPtr) |
Returns a set of BD(s) that have been processed by hardware. More... | |
u32 | XEmacPs_BdRingFromHwRx (XEmacPs_BdRing *RingPtr, u32 BdLimit, XEmacPs_Bd **BdSetPtr) |
Returns a set of BD(s) that have been processed by hardware. More... | |
LONG | XEmacPs_BdRingFree (XEmacPs_BdRing *RingPtr, u32 NumBd, XEmacPs_Bd *BdSetPtr) |
Frees a set of BDs that had been previously retrieved with XEmacPs_BdRingFromHw(). More... | |
LONG | XEmacPs_BdRingCheck (XEmacPs_BdRing *RingPtr, u8 Direction) |
Check the internal data structures of the BD ring for the provided channel. More... | |
void | XEmacPs_BdRingPtrReset (XEmacPs_BdRing *RingPtr, void *virtaddrloc) |
Reset BD ring head and tail pointers. More... | |