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emacps
Vitis Drivers API Documentation
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emacps
Vitis Drivers API Documentation
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This is an internal structure used to maintain the DMA list. More...
Data Fields | |
| UINTPTR | PhysBaseAddr |
| Physical address of 1st BD in list. More... | |
| UINTPTR | BaseBdAddr |
| Virtual address of 1st BD in list. More... | |
| UINTPTR | HighBdAddr |
| Virtual address of last BD in the list. More... | |
| u32 | Length |
| Total size of ring in bytes. More... | |
| u32 | RunState |
| Flag to indicate DMA is started. More... | |
| u32 | Separation |
| Number of bytes between the starting address of adjacent BDs. More... | |
| XEmacPs_Bd * | FreeHead |
| First BD in the free group. More... | |
| XEmacPs_Bd * | PreHead |
| First BD in the pre-work group. More... | |
| XEmacPs_Bd * | HwHead |
| First BD in the work group. More... | |
| XEmacPs_Bd * | HwTail |
| Last BD in the work group. More... | |
| XEmacPs_Bd * | PostHead |
| First BD in the post-work group. More... | |
| XEmacPs_Bd * | BdaRestart |
| BDA to load when channel is started. More... | |
| volatile u32 | HwCnt |
| Number of BDs in work group. More... | |
| u32 | PreCnt |
| Number of BDs in pre-work group. More... | |
| u32 | FreeCnt |
| Number of allocatable BDs in the free group. More... | |
| u32 | PostCnt |
| Number of BDs in post-work group. More... | |
| u32 | AllCnt |
| Total Number of BDs for channel. More... | |
This is an internal structure used to maintain the DMA list.
| u32 XEmacPs_BdRing::AllCnt |
Total Number of BDs for channel.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingClone(), and XEmacPs_BdRingCreate().
| UINTPTR XEmacPs_BdRing::BaseBdAddr |
Virtual address of 1st BD in list.
Referenced by EmacPsDmaSingleFrameIntrExample(), XEmacPs_BdRingCheck(), XEmacPs_BdRingClone(), XEmacPs_BdRingCreate(), and XEmacPs_Start().
| XEmacPs_Bd* XEmacPs_BdRing::BdaRestart |
BDA to load when channel is started.
Referenced by XEmacPs_BdRingCreate().
| u32 XEmacPs_BdRing::FreeCnt |
Number of allocatable BDs in the free group.
Referenced by XEmacPs_BdRingAlloc(), XEmacPs_BdRingCheck(), XEmacPs_BdRingClone(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFree(), and XEmacPs_BdRingUnAlloc().
| XEmacPs_Bd* XEmacPs_BdRing::FreeHead |
First BD in the free group.
Referenced by XEmacPs_BdRingAlloc(), XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingPtrReset(), and XEmacPs_BdRingUnAlloc().
| UINTPTR XEmacPs_BdRing::HighBdAddr |
Virtual address of last BD in the list.
Referenced by XEmacPs_BdRingCheck(), and XEmacPs_BdRingCreate().
| volatile u32 XEmacPs_BdRing::HwCnt |
Number of BDs in work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFromHwRx(), XEmacPs_BdRingFromHwTx(), and XEmacPs_BdRingToHw().
| XEmacPs_Bd* XEmacPs_BdRing::HwHead |
First BD in the work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFromHwRx(), XEmacPs_BdRingFromHwTx(), and XEmacPs_BdRingPtrReset().
| XEmacPs_Bd* XEmacPs_BdRing::HwTail |
Last BD in the work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFromHwRx(), XEmacPs_BdRingFromHwTx(), XEmacPs_BdRingPtrReset(), and XEmacPs_BdRingToHw().
| u32 XEmacPs_BdRing::Length |
Total size of ring in bytes.
Referenced by XEmacPs_BdRingCreate().
| UINTPTR XEmacPs_BdRing::PhysBaseAddr |
Physical address of 1st BD in list.
Referenced by XEmacPs_BdRingCheck(), and XEmacPs_BdRingCreate().
| u32 XEmacPs_BdRing::PostCnt |
Number of BDs in post-work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFree(), XEmacPs_BdRingFromHwRx(), and XEmacPs_BdRingFromHwTx().
| XEmacPs_Bd* XEmacPs_BdRing::PostHead |
First BD in the post-work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingFree(), and XEmacPs_BdRingPtrReset().
| u32 XEmacPs_BdRing::PreCnt |
Number of BDs in pre-work group.
Referenced by XEmacPs_BdRingAlloc(), XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingToHw(), and XEmacPs_BdRingUnAlloc().
| XEmacPs_Bd* XEmacPs_BdRing::PreHead |
First BD in the pre-work group.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingCreate(), XEmacPs_BdRingPtrReset(), and XEmacPs_BdRingToHw().
| u32 XEmacPs_BdRing::RunState |
Flag to indicate DMA is started.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingClone(), and XEmacPs_BdRingCreate().
| u32 XEmacPs_BdRing::Separation |
Number of bytes between the starting address of adjacent BDs.
Referenced by XEmacPs_BdRingCheck(), XEmacPs_BdRingClone(), and XEmacPs_BdRingCreate().