Multi Channel DMA Intel® FPGA IP for PCI Express* Design Example User Guide
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Ixiasoft
Visible to Intel only — GUID: ezh1695174980890
Ixiasoft
3.5.2.3.3.2. Custom PIO Read Write Test
You can read and write from PIO address range in bar 2 from any valid custom memory.
Parameters for Write operation
-b <bdf> -o --pio_w_addr=<address> --pio_w_val=<value to write> --bar=<bar number>
# ./software/user/cli/perfq_app# ./perfq_app -b 0000:01:00.0 -o --pio_w_addr=0x1010 --pio_w_val=0x30 --bar=2
WRITE: PIO Address = 0x1010 Value = 0x30, bar = 2
Parameters for Read operation
-b <bdf> -o --pio_r_addr=<address> --bar=<bar number>
# ./software/user/cli/perfq_app# ./perfq_app -b 0000:01:00.0 -o --pio_r_addr=0x1010 --bar=2
READ: PIO Address = 0x1010 Value = 0x30, bar = 2