how give virtual address to dma

Xilinx / dma_ip_drivers

Xilinx QDMA IP Drivers

https://xilinx.github.io/dma_ip_drivers/

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how give virtual address to dma #178

Open shiva9494088 opened 2 years ago

shiva9494088 commented 2 years ago

hi, i am using sgdma i have some pointers which contain data so i should give the pointer (physical address) in discriptors in order to work. can some one help how to give virtual address in discriptor

Suraj6198 commented 2 years ago

Give bus address space address (use dmamap <*> family of kernel api's)