diff options
Diffstat (limited to 'tests/dma/xilinx/xilinx_dma.sh')
-rwxr-xr-x | tests/dma/xilinx/xilinx_dma.sh | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/tests/dma/xilinx/xilinx_dma.sh b/tests/dma/xilinx/xilinx_dma.sh deleted file mode 100755 index 6aada8b..0000000 --- a/tests/dma/xilinx/xilinx_dma.sh +++ /dev/null @@ -1,121 +0,0 @@ -#! /bin/bash - -BAR=0 -USE=1 -ITERATIONS=2 -BUFFERS=16 - -function pci { - PCILIB_PATH=`pwd`/.. - LD_LIBRARY_PATH="$PCILIB_PATH" $PCILIB_PATH/pci $* -} - - -function reset { - pci -b $BAR -w 0 1 - usleep 1000 - pci -b $BAR -w 0 0 - pci -b $BAR -w 4 0 -} - -function read_cfg { -# echo $1 1>&2 - pci -a config -r 0x$1 | awk '{ print $2; }' -} - -function parse_config { - info=0x`pci -b $BAR -r 0 | awk '{ print $2; }'` - model=`printf "%X" $((info>>24))` - if [ $model -eq 14 ]; then - model="Xilinx Virtex-6" - else - model="Xilinx $model" - fi - version=$(((info >> 8) & 0xFF)) - data_width=$((16 * (2 ** ((info >> 16) & 0xF)))) - - echo "$model, build $version, $data_width bits" - - - next=`read_cfg 34 | cut -c 7-8` - - while [ $next -ne 0 ]; do - cap=`read_cfg $next` - capid=`echo $cap | cut -c 7-8` - if [ $capid -eq 10 ]; then - addr=`printf "%X" $((0x$next + 12))` - pcie_link1=`read_cfg $addr` - addr=`printf "%X" $((0x$next + 16))` - pcie_link2=`read_cfg $addr` - - link_speed=$((((0x$pcie_link2 & 0xF0000) >> 16))) - link_width=$((((0x$pcie_link2 & 0x3F00000) >> 20))) - - dev_link_speed=$((((0x$pcie_link1 & 0xF)))) - dev_link_width=$((((0x$pcie_link1 & 0x3F0) >> 4))) - fi - next=`echo $cap | cut -c 5-6` - done - - echo "Link: PCIe gen$link_speed x$link_width" - if [ $link_speed -ne $dev_link_speed -o $link_width -ne $dev_link_width ]; then - echo " * But device capable of gen$dev_link_speed x$dev_link_width" - fi - - info=0x`read_cfg 40` - max_tlp=$((2 ** (5 + ((info & 0xE0) >> 5)))) - echo "TLP: 32 dwords (transfering 32 TLP per request)" - if [ $max_tlp -ne 32 ]; then - echo " * But device is able to transfer TLP up to $max_tlp bytes" - fi - - # 2500 MT/s, but PCIe gen1 and gen2 uses 10 bit encoding - speed=$((link_width * link_speed * 2500 / 10)) -} - -reset -parse_config - -pci --enable-irq -pci --acknowledge-irq - -pci --free-kernel-memory $USE -pci --alloc-kernel-memory $USE --type c2s -s $BUFFERS -bus=`pci --list-kernel-memory 00100001 | awk '{ print $4; }' | grep 00` -#ptr=`pci --list-kernel-memory 00100001 | awk '{ print $2; }' | grep 00` - -# TLP size -pci -b $BAR -w 0x0C 0x20 -# TLP count -pci -b $BAR -w 0x10 0x20 -# Data -pci -b $BAR -w 0x14 0x13131313 - -dmaperf=0 -for i in `seq 1 $ITERATIONS`; do - for addr in $bus; do - pci -b $BAR -w 0x08 0x$addr - -#Trigger - pci -b $BAR -w 0x04 0x01 - pci --wait-irq -# pci -b $BAR -w 0x04 0x00 - - status=`pci -b $BAR -r 0x04 | awk '{print $2; }' | cut -c 5-8` - if [ $status != "0101" ]; then - echo "Read failed, invalid status: $status" - fi - - dmaperf=$((dmaperf + 0x`pci -b $BAR -r 0x28 | awk '{print $2}'`)) - reset - done -done - -pci --free-kernel-memory $USE -pci --disable-irq - -echo -# Don't ask me about this formula -echo "Performance reported by FPGA: $((4096 * BUFFERS * ITERATIONS * $speed / $dmaperf / 8)) MB/s" - -#pci -b $BAR -r 0 -s 32 |