Ioctl Command Code Reference

All ioctl command codes understood by the datadev driver and associated headers. Pass these codes as the second argument to ioctl(fd, cmd, arg).

Note

The DMA_Ret_Index command encodes a count in the upper 16 bits of the command code. To return N buffers, use DMA_Ret_Index | ((N << 16) & 0xFFFF0000). For a single index, use DMA_Ret_Index | 0x10000.

DmaDriver.h Commands

Macro	Value	Argument	Direction	Wrapper Function
`DMA_Get_Buff_Count`	`0x1001`	none (pass 0)	read	`dmaGetBuffCount()`
`DMA_Get_Buff_Size`	`0x1002`	none (pass 0)	read	`dmaGetBuffSize()`
`DMA_Set_Debug`	`0x1003`	`uint32_t` level	write	`dmaSetDebug()`
`DMA_Set_Mask`	`0x1004`	`uint32_t` mask	write	`dmaSetMask()`
`DMA_Ret_Index`	`0x1005`	`uint32_t*` index (count in upper 16 bits of cmd)	write	`dmaRetIndex()`, `dmaRetIndexes()`
`DMA_Get_Index`	`0x1006`	none (pass 0)	read	`dmaGetIndex()`
`DMA_Read_Ready`	`0x1007`	none (pass 0)	read	`dmaReadReady()`
`DMA_Set_MaskBytes`	`0x1008`	`uint8_t[512]` mask	write	`dmaSetMaskBytes()`
`DMA_Get_Version`	`0x1009`	none (pass 0)	read	`dmaCheckVersion()`, `dmaGetApiVersion()`
`DMA_Write_Register`	`0x100A`	`struct DmaRegisterData*`	write	`dmaWriteRegister()`
`DMA_Read_Register`	`0x100B`	`struct DmaRegisterData*`	read/write	`dmaReadRegister()`
`DMA_Get_RxBuff_Count`	`0x100C`	none (pass 0)	read	`dmaGetRxBuffCount()`
`DMA_Get_TxBuff_Count`	`0x100D`	none (pass 0)	read	`dmaGetTxBuffCount()`
`DMA_Get_TxBuffinUser_Count`	`0x100F`	none (pass 0)	read	`dmaGetTxBuffinUserCount()`
`DMA_Get_TxBuffinHW_Count`	`0x1010`	none (pass 0)	read	`dmaGetTxBuffinHwCount()`
`DMA_Get_TxBuffinPreHWQ_Count`	`0x1011`	none (pass 0)	read	`dmaGetTxBuffinPreHwQCount()`
`DMA_Get_TxBuffinSWQ_Count`	`0x1012`	none (pass 0)	read	`dmaGetTxBuffinSwQCount()`
`DMA_Get_TxBuffMiss_Count`	`0x1013`	none (pass 0)	read	`dmaGetTxBuffMissCount()`
`DMA_Get_RxBuffinUser_Count`	`0x1014`	none (pass 0)	read	`dmaGetRxBuffinUserCount()`
`DMA_Get_RxBuffinHW_Count`	`0x1015`	none (pass 0)	read	`dmaGetRxBuffinHwCount()`
`DMA_Get_RxBuffinPreHWQ_Count`	`0x1016`	none (pass 0)	read	`dmaGetRxBuffinPreHwQCount()`
`DMA_Get_RxBuffinSWQ_Count`	`0x1017`	none (pass 0)	read	`dmaGetRxBuffinSwQCount()`
`DMA_Get_RxBuffMiss_Count`	`0x1018`	none (pass 0)	read	`dmaGetRxBuffMissCount()`
`DMA_Get_GITV`	`0x1019`	`char[32]` buffer	read	`dmaGetGitVersion()`

AxisDriver.h Commands

Macro	Value	Argument	Direction	Wrapper Function
`AXIS_Read_Ack`	`0x2001`	none (pass 0)	write	`axisReadAck()`
`AXIS_Write_ReqMissed`	`0x2002`	none (pass 0)	write	`axisWriteReqMissed()`

AxiVersion.h Commands

Macro	Value	Argument	Direction	Wrapper Function
`AVER_Get`	`0x1200`	`struct AxiVersion*`	read	`axiVersionGet()`

GpuAsync.h Commands

Macro	Value	Argument	Direction	Wrapper Function
`GPU_Add_Nvidia_Memory`	`0x8002`	`struct GpuNvidiaData*`	write	`gpuAddNvidiaMemory()`
`GPU_Rem_Nvidia_Memory`	`0x8003`	none (pass 0)	write	`gpuRemNvidiaMemory()`
`GPU_Set_Write_Enable`	`0x8004`	`uint32_t*` index	write	`gpuSetWriteEn()`
`GPU_Is_Gpu_Async_Supp`	`0x8005`	none (pass 0)	read	`gpuIsGpuAsyncSupported()`
`GPU_Get_Gpu_Async_Ver`	`0x8006`	none (pass 0)	read	`gpuGetGpuAsyncVersion()`
`GPU_Get_Max_Buffers`	`0x8007`	none (pass 0)	read	`gpuGetMaxBuffers()`