dma_ip_drivers
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Xilinx
Xilinx QDMA IP Drivers
Dear developers: I am working on the XDMA with A7. I try to compare the PCIe Spec and xdma kernel code. I came across a piece of code that I...
struct pci_dev->devfn has the PCIe device and function values only, and not the PCIe bus. Hence the previous bus value was always zero.
This function only does an lseek when the offset is non-zero, but in practice, offset can be zero, and in that case it will continue from writing from previous call....
Dear Sir/Madam, Hey !! Hello!! I am working on PCI DMA IP for Zynq Ultrascale plus RFSoC board. I am using Ubantu20.04 LTS system. Any one please provide the Xilinx...
With this code, poll() function will return even when no IRQ occurs. ``` struct pollfd pfd; pfd.fd = open("/dev/xdma0_events_0", O_RDONLY); if (pfd.fd == -1) { perror("open event file:"); exit(EXIT_FAILURE); }...
I'm using vivado 2021.2,however,I can‘n find the branch 2021.2 of xdma.。 Which version of xdma should i use for vivado 2021.2？ Thanks!
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...
Expected Behaviour --- The aio_read request can be cancelled by aio_cancel when there is no data from FPGA Actual Behaviour --- It takes a long time to stop this transfer....
