xdma: support pci bus number and name access

Xilinx / dma_ip_drivers

Xilinx QDMA IP Drivers

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

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xdma: support pci bus number and name access #196

Open xueweiwujxw opened 1 year ago

xueweiwujxw commented 1 year ago

This PR adds a feature for accessing the PCI bus and the name of xdma device. I have multiple devices and I need to bind them to specified slots. So I decide to add PCI info for version_ioctl.