numam-spdk/test/nvmf/common.sh
Ben Walker e1d1040703 nvmf: Improve script that detects RDMA NICs
Work around an issue with the mlx4 driver.
Make discovery of NICs more generic.

Change-Id: I9701d8d7937faa299d12d7ca4bfe1c923983c263
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2016-06-17 13:23:17 -07:00

112 lines
2.2 KiB
Bash
Executable File

#!/usr/bin/env bash
NVMF_PORT=7174
NVMF_IP_PREFIX="192.168.100"
NVMF_IP_LEAST_ADDR=8
NVMF_FIRST_TARGET_IP=$NVMF_IP_PREFIX.$NVMF_IP_LEAST_ADDR
function load_ib_rdma_modules()
{
if [ `uname` != Linux ]; then
exit 0
fi
modprobe ib_cm
modprobe ib_core
modprobe ib_ucm
modprobe ib_umad
modprobe ib_uverbs
modprobe iw_cm
modprobe rdma_cm
modprobe rdma_ucm
}
function detect_mellanox_nics()
{
nvmf_nic_bdfs=`lspci | grep Ethernet | grep Mellanox | awk -F ' ' '{print "0000:"$1}'`
mlx_core_driver="mlx4_core"
mlx_ib_driver="mlx4_ib"
mlx_en_driver="mlx4_en"
if [ -z "$nvmf_nic_bdfs" ]; then
exit 0
fi
# for nvmf target loopback test, suppose we only have one type of card.
for nvmf_nic_bdf in $nvmf_nic_bdfs
do
result=`find /sys -name $nvmf_nic_bdf | grep driver | awk -F / '{ print $6 }'`
if [ "$result" == "mlx5_core" ]; then
mlx_core_driver="mlx5_core"
mlx_ib_driver="mlx5_ib"
mlx_en_driver=""
fi
break;
done
# Uninstall/install driver to make a clean test environment
if lsmod | grep -q $mlx_ib_driver; then
rmmod $mlx_ib_driver
fi
if [ -n "$mlx_en_driver" ]; then
if lsmod | grep -q $mlx_en_driver; then
rmmod $mlx_en_driver
fi
fi
if lsmod | grep -q $mlx_core_driver; then
rmmod $mlx_core_driver
fi
modprobe $mlx_core_driver
modprobe $mlx_ib_driver
if [ -n "$mlx_en_driver" ]; then
modprobe $mlx_en_driver
fi
# The mlx4 driver takes an extra few seconds to load after modprobe returns,
# otherwise ifconfig operations will do nothing.
sleep 5
trap - SIGINT SIGTERM EXIT
}
function detect_rdma_nics()
{
# could be add other nics, so wrap it
detect_mellanox_nics
}
function allocate_nic_ips()
{
let count=$NVMF_IP_LEAST_ADDR
for nic_type in `ls /sys/class/infiniband`; do
for nic_name in `ls /sys/class/infiniband/${nic_type}/device/net`; do
ifconfig $nic_name $NVMF_IP_PREFIX.$count netmask 255.255.255.0 up
let count=$count+1
done
done
# check whether the IP is configured
result=`ifconfig | grep $NVMF_IP_PREFIX`
if [ -z "$result" ]; then
echo "no NIC for nvmf test"
exit 0
fi
}
function nvmfcleanup()
{
rmmod nvme-rdma
rmmod nvme || true
}
function rdma_device_init()
{
load_ib_rdma_modules
detect_rdma_nics
allocate_nic_ips
}