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axidma
Vitis Drivers API Documentation
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axidma
Vitis Drivers API Documentation
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Container structure for descriptor storage control. More...
Data Fields | |
| UINTPTR | ChanBase |
| physical base address More... | |
| int | IsRxChannel |
| Is this a receive channel. More... | |
| volatile int | RunState |
| Whether channel is running. More... | |
| int | HasStsCntrlStrm |
| Whether has stscntrl stream. More... | |
| UINTPTR | FirstBdPhysAddr |
| Physical address of 1st BD in list. More... | |
| UINTPTR | FirstBdAddr |
| Virtual address of 1st BD in list. More... | |
| UINTPTR | LastBdAddr |
| Virtual address of last BD in the list. More... | |
| u32 | Length |
| Total size of ring in bytes. More... | |
| UINTPTR | Separation |
Number of bytes between the starting address of adjacent BDs More... | |
| XAxiDma_Bd * | FreeHead |
| First BD in the free group. More... | |
| XAxiDma_Bd * | PreHead |
| First BD in the pre-work group. More... | |
| XAxiDma_Bd * | HwHead |
| First BD in the work group. More... | |
| XAxiDma_Bd * | HwTail |
| Last BD in the work group. More... | |
| XAxiDma_Bd * | PostHead |
| First BD in the post-work group. More... | |
| XAxiDma_Bd * | BdaRestart |
| BD to load when channel is started. More... | |
| XAxiDma_Bd * | CyclicBd |
| Useful for Cyclic DMA operations. More... | |
| int | FreeCnt |
| Number of allocatable BDs in free group. More... | |
| int | PreCnt |
| Number of BDs in pre-work group. More... | |
| int | HwCnt |
| Number of BDs in work group. More... | |
| int | PostCnt |
| Number of BDs in post-work group. More... | |
| int | AllCnt |
| Total Number of BDs for channel. More... | |
| int | RingIndex |
| Ring Index. More... | |
| int | Cyclic |
| Check for cyclic DMA Mode. More... | |
Container structure for descriptor storage control.
If address translation is enabled, then all addresses and pointers excluding FirstBdPhysAddr are expressed in terms of the virtual address.
| int XAxiDma_BdRing::AllCnt |
Total Number of BDs for channel.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingClone(), XAxiDma_BdRingCreate(), and XAxiDma_UpdateBdRingCDesc().
| XAxiDma_Bd* XAxiDma_BdRing::BdaRestart |
BD to load when channel is started.
Referenced by XAxiDma_BdRingCreate(), and XAxiDma_UpdateBdRingCDesc().
| UINTPTR XAxiDma_BdRing::ChanBase |
physical base address
Referenced by XAxiDma_BdRingDumpRegs(), XAxiDma_BdRingGetCoalesce(), XAxiDma_BdRingSetCoalesce(), XAxiDma_BdRingToHw(), XAxiDma_CfgInitialize(), XAxiDma_Pause(), XAxiDma_ResetIsDone(), XAxiDma_SimpleTransfer(), XAxiDma_StartBdRingHw(), and XAxiDma_UpdateBdRingCDesc().
| int XAxiDma_BdRing::Cyclic |
Check for cyclic DMA Mode.
Referenced by XAxiDma_BdRingCreate(), XAxiDma_BdRingFromHw(), XAxiDma_BdRingToHw(), and XAxiDma_StartBdRingHw().
| XAxiDma_Bd* XAxiDma_BdRing::CyclicBd |
Useful for Cyclic DMA operations.
Referenced by XAxiDma_BdRingCreate(), XAxiDma_BdRingToHw(), and XAxiDma_StartBdRingHw().
| UINTPTR XAxiDma_BdRing::FirstBdAddr |
Virtual address of 1st BD in list.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingClone(), and XAxiDma_BdRingCreate().
| UINTPTR XAxiDma_BdRing::FirstBdPhysAddr |
Physical address of 1st BD in list.
Referenced by XAxiDma_BdRingCheck(), and XAxiDma_BdRingCreate().
| int XAxiDma_BdRing::FreeCnt |
Number of allocatable BDs in free group.
Referenced by XAxiDma_BdRingAlloc(), XAxiDma_BdRingCheck(), XAxiDma_BdRingClone(), XAxiDma_BdRingCreate(), XAxiDma_BdRingFree(), and XAxiDma_BdRingUnAlloc().
| XAxiDma_Bd* XAxiDma_BdRing::FreeHead |
First BD in the free group.
Referenced by XAxiDma_BdRingAlloc(), XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), and XAxiDma_BdRingUnAlloc().
| int XAxiDma_BdRing::HasStsCntrlStrm |
Whether has stscntrl stream.
Referenced by XAxiDma_BdRingCreate(), and XAxiDma_CfgInitialize().
| int XAxiDma_BdRing::HwCnt |
Number of BDs in work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), XAxiDma_BdRingFromHw(), XAxiDma_BdRingToHw(), and XAxiDma_StartBdRingHw().
| XAxiDma_Bd* XAxiDma_BdRing::HwHead |
First BD in the work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), and XAxiDma_BdRingFromHw().
| XAxiDma_Bd* XAxiDma_BdRing::HwTail |
Last BD in the work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), XAxiDma_BdRingFromHw(), XAxiDma_BdRingToHw(), and XAxiDma_StartBdRingHw().
| int XAxiDma_BdRing::IsRxChannel |
Is this a receive channel.
Referenced by XAxiDma_BdRingFromHw(), XAxiDma_BdRingToHw(), XAxiDma_CfgInitialize(), XAxiDma_StartBdRingHw(), and XAxiDma_UpdateBdRingCDesc().
| UINTPTR XAxiDma_BdRing::LastBdAddr |
Virtual address of last BD in the list.
Referenced by XAxiDma_BdRingCheck(), and XAxiDma_BdRingCreate().
| u32 XAxiDma_BdRing::Length |
Total size of ring in bytes.
Referenced by XAxiDma_BdRingCreate().
| int XAxiDma_BdRing::PostCnt |
Number of BDs in post-work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), XAxiDma_BdRingFree(), and XAxiDma_BdRingFromHw().
| XAxiDma_Bd* XAxiDma_BdRing::PostHead |
First BD in the post-work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), and XAxiDma_BdRingFree().
| int XAxiDma_BdRing::PreCnt |
Number of BDs in pre-work group.
Referenced by XAxiDma_BdRingAlloc(), XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), XAxiDma_BdRingToHw(), and XAxiDma_BdRingUnAlloc().
| XAxiDma_Bd* XAxiDma_BdRing::PreHead |
First BD in the pre-work group.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingCreate(), and XAxiDma_BdRingToHw().
| int XAxiDma_BdRing::RingIndex |
Ring Index.
Referenced by XAxiDma_BdRingDumpRegs(), XAxiDma_BdRingToHw(), XAxiDma_CfgInitialize(), XAxiDma_StartBdRingHw(), and XAxiDma_UpdateBdRingCDesc().
| volatile int XAxiDma_BdRing::RunState |
Whether channel is running.
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingClone(), XAxiDma_BdRingCreate(), XAxiDma_BdRingToHw(), XAxiDma_CfgInitialize(), XAxiDma_Pause(), XAxiDma_Reset(), XAxiDma_Resume(), XAxiDma_StartBdRingHw(), and XAxiDma_UpdateBdRingCDesc().
| UINTPTR XAxiDma_BdRing::Separation |
Number of bytes between the starting
address of adjacent BDs
Referenced by XAxiDma_BdRingCheck(), XAxiDma_BdRingClone(), and XAxiDma_BdRingCreate().