Commit ae2c3152 authored by Jim Harris's avatar Jim Harris
Browse files

Add unbind_nvme.sh script. 



This will rmmod nvme on Linux, and use the DPDK nic_uio driver
to unbind nvme devices from the nvme driver on FreeBSD.

"nic_uio" is actually a misnomer - it is not NIC driver specific,
and can safely be used to bind NVMe devices to an effectively
null driver.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: I8b964a070586166d762d79696385b82eeb2e88bd
parent ae09ffb7

scripts/unbind_nvme.sh

0 → 100755
+25 −0
Original line number Diff line number Diff line 
#!/usr/bin/env bash



set -e



function configure_linux {

	lsmod | grep nvme && rmmod nvme

}



function configure_freebsd {

	TMP=`mktemp`

	AWK_PROG="{if (count > 0) printf \",\"; printf \"%s:%s:%s\",\$2,\$3,\$4; count++}"

	echo $AWK_PROG > $TMP

	NVME_PCICONF=`pciconf -l | grep class=0x010802`

	BDFS=`echo $NVME_PCICONF | awk -F: -f $TMP`

	kenv hw.nic_uio.bdfs=$BDFS

	kldload `find . -name nic_uio.ko | head -1`

	rm $TMP

}



if [ `uname` = Linux ]; then

	configure_linux

else

	configure_freebsd

fi