滕州市网站建设,app开发制作,网站域名备案要多久,如何搭建一个论坛目录 整体加载思路
配置步骤
全局变量配置
调用流程编写
加载VFIO模块
删除VFIO模块
加载KNI模块
卸载KNI模块
创建大页内存
创建大页内存文件系统
删除遗留的大页内存
卸载大页文件系统
调用dpdk-devbind.py脚本来绑定PCI设备igb_uio驱动
加载igb_uio.ko驱动.
卸…目录 整体加载思路
配置步骤
全局变量配置
调用流程编写
加载VFIO模块
删除VFIO模块
加载KNI模块
卸载KNI模块
创建大页内存
创建大页内存文件系统
删除遗留的大页内存
卸载大页文件系统
调用dpdk-devbind.py脚本来绑定PCI设备igb_uio驱动
加载igb_uio.ko驱动.
卸载 igb_uio.ko 驱动 整体加载思路
1、加载IGB_UIO驱动
2、加载VFIO模块
3、配置大页内存
4、set_numa_pages
5、给PCIE网卡设备号加载IGB_UIO驱动
6、加载载KNI模块用于跑DPDK流的同时并行跑标准内核协议. 配置步骤
全局变量配置 #配置DPDK安装路径 export RTE_SDK$PWD
#定义PCIE网络端口设备号 export PCI_DEVICE00000:b3:00.0 export PCI_DEVICE10000:b3:00.1
#配置大页内存个数结合当前大页内存个数来自定义 export Pages20
#DPDK目标环境目录 export RTE_TARGETx86_64-native-linux-gcc echo -------------------------------------------------------------------------- ---- echo RTE_SDK exported as $RTE_SDK echo -------------------------------------------------------------------------- ----
#获取大页内存大小 HUGEPGSZcat /proc/meminfo | grep Hugepagesize | cut -d : -f 2 | tr -d 调用流程编写
#加载IGB_UIO驱动 echo LOAD IGB_UIO load_igb_uio
#加载VFIO模块 echo LOAD VFIO load_vfio_module
#配置大页内存 echo SET HUGE PAGES set_numa_pages
#给PCIE网卡设备号加载IGB_UIO echo BIND DEVICE - $PCI_DEVICE0 and $PCI_DEVICE1 echo BIND DEVICE - $PCI_DEVICE1 and $PCI_DEVICE1 bind_devices_to_igb_uio
#加载载KNI模块用于跑DPDK流的同时并行跑标准内核协议 echo LOAD KNI load_kni_module 加载VFIO模块
load_vfio_module() { remove_vfio_module VFIO_PATHkernel/drivers/vfio/pci/vfio-pci.ko echo Loading VFIO module /sbin/lsmod | grep -s vfio_pci /dev/null if [ $? -ne 0 ] ; then if [ -f /lib/modules/$(uname -r)/$VFIO_PATH ] ; then sudo /sbin/modprobe vfio-pci fi fi # make sure regular users can read /dev/vfio echo chmod /dev/vfio sudo chmod ax /dev/vfio if [ $? -ne 0 ] ; then echo FAIL quit fi echo OK # check if /dev/vfio/vfio exists - that way we # know we either loaded the module, or it was # compiled into the kernel if [ ! -e /dev/vfio/vfio ] ; then echo ## ERROR: VFIO not found! fi } 删除VFIO模块
remove_vfio_module() { echo Unloading any existing VFIO module /sbin/lsmod | grep -s vfio /dev/null if [ $? -eq 0 ] ; then sudo /sbin/rmmod vfio-pci sudo /sbin/rmmod vfio_iommu_type1 sudo /sbin/rmmod vfio fi } 加载KNI模块
load_kni_module() { # Check that the KNI module is already built. if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko ];then echo ## ERROR: Target does not have the DPDK KNI Module. echo To fix, please try to rebuild target. return fi # Unload existing version if present. remove_kni_module # Now try load the KNI module. echo Loading DPDK KNI module sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/rte_kni.ko if [ $? -ne 0 ] ; then echo ## ERROR: Could not load kmod/rte_kni.ko. quit fi }
卸载KNI模块
remove_kni_module() { echo Unloading any existing DPDK KNI module /sbin/lsmod | grep -s rte_kni /dev/null if [ $? -eq 0 ] ; then sudo /sbin/rmmod rte_kni fi } 创建大页内存
# Creates hugepages on specific NUMA nodes. set_numa_pages() { clear_huge_pages #echo #echo Input the number of ${HUGEPGSZ} hugepages for each node #echo Example: to have 128MB of hugepages available per node in a 2MB huge page system, #echo enter 64 to reserve 64 * 2MB pages on each node #echo .echo_tmp for d in /sys/kernel/mm ; do node$(basename $d) # echo -n Number of pages for $node: $Pages echo Number of pages for $node: $Pages # read Pages echo echo $Pages $d/hugepages/hugepages-${HUGEPGSZ}/nr_hugepages .echo_tmp done echo Reserving hugepages sudo sh .echo_tmp rm -f .echo_tmp create_mnt_huge } 创建大页内存文件系统
# Creates hugepage filesystem. create_mnt_huge() { echo Creating /mnt/huge and mounting as hugetlbfs sudo mkdir -p /mnt/huge grep -s /mnt/huge /proc/mounts /dev/null if [ $? -ne 0 ] ; then sudo mount -t hugetlbfs nodev /mnt/huge fi } 删除遗留的大页内存
# Removes all reserved hugepages. clear_huge_pages() { echo .echo_tmp for d in /sys/kernel/mm ; do echo echo 0 $d/hugepages/hugepages-${HUGEPGSZ}/nr_hugepages .echo_tmp done echo Removing currently reserved hugepages sudo sh .echo_tmp rm -f .echo_tmp remove_mnt_huge }
卸载大页文件系统
remove_mnt_huge() { echo Unmounting /mnt/huge and removing directory grep -s /mnt/huge /proc/mounts /dev/null if [ $? -eq 0 ] ; then sudo umount /mnt/huge fi if [ -d /mnt/huge ] ; then sudo rm -R /mnt/huge fi } 调用dpdk-devbind.py脚本来绑定PCI设备igb_uio驱动
bind_devices_to_igb_uio() { if [ -d /sys/module/igb_uio ]; then #${RTE_SDK}/usertools/dpdk-devbind.py --status #echo #echo -n Enter PCI address of device to bind to IGB UIO driver: #read PCI_DEVICE sudo ${RTE_SDK}/usertools/dpdk-devbind.py -b igb_uio $PCI_DEVICE0 echo $PCI_DEVICE0 Bind OK sudo ${RTE_SDK}/usertools/dpdk-devbind.py -b igb_uio $PCI_DEVICE1 echo $PCI_DEVICE1 Bind OK else echo # Please load the igb_uio kernel module before querying or echo # adjusting device bindings fi }
加载igb_uio.ko驱动.
load_igb_uio() { #检查igb_uio驱动是否存在不存在则退出输出错误日志 if [ ! -f $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko ];then echo ## ERROR: Target does not have the DPDK UIO Kernel Module. echo To fix, please try to rebuild target. return fi #在加载新的igb_uio前先卸载旧的igb_uio驱动 unload_igb_uio #查找UIO驱动是否存在 /sbin/lsmod | grep -s uio /dev/null if [ $? -ne 0 ] ; then #输出UIO驱动信息 modinfo uio 1/dev/null 2/dev/null if [ $? -eq 0 ]; then #加载UIO模块 echo Loading uio module sudo /sbin/modprobe uio fi fi # UIO may be compiled into kernel, so it may not be an error if it cant # be loaded. #加载载igb_uio驱动 echo Loading DPDK UIO module sudo /sbin/insmod $RTE_SDK/$RTE_TARGET/kmod/igb_uio.ko if [ $? -ne 0 ] ; then echo ## ERROR: Could not load kmod/igb_uio.ko. quit fi }
卸载 igb_uio.ko 驱动
unload_igb_uio() { echo Unloading any existing DPDK UIO module /sbin/lsmod | grep -s igb_uio /dev/null if [ $? -eq 0 ] ; then sudo /sbin/rmmod igb_uio 1/dev/null 2/dev/null fi }
