Commit cea2c693 authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Jim Harris
Browse files

autotest: blacklist OCSSD devices 



Detect and blacklist OCSSD devices by unbinding the driver.

Change-Id: I7ba6cefd083a7d3ead6db27fa27a765f8ee52402
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442978


Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent df6b55fd

autotest.sh

+33 −0
Original line number Diff line number Diff line
@@ -63,8 +63,41 @@ rm -f /var/tmp/spdk*.sock 
# Let the kernel discover any filesystems or partitions

sleep 10



if [ $(uname -s) = Linux ]; then

	# OCSSD devices drivers don't support IO issues by kernel so

	# detect OCSSD devices and blacklist them (unbind from any driver).

	# If test scripts want to use this device it needs to do this explicitly.

	#

	# If some OCSSD device is bound to other driver than nvme we won't be able to

	# discover if it is OCSSD or not so load the kernel driver first.





	for dev in $(find /dev -maxdepth 1 -regex '/dev/nvme[0-9]+'); do

		# Send Open Channel 2.0 Geometry opcode "0xe2" - not supported by NVMe device.

		if nvme admin-passthru $dev --namespace-id=1 --data-len=4096  --opcode=0xe2 --read >/dev/null; then

			bdf="$(basename $(readlink -e /sys/class/nvme/${dev#/dev/}/device))"

			echo "INFO: blacklisting OCSSD device: $dev ($bdf)"

			PCI_BLACKLIST+=" $bdf"

		fi

	done



	# Now, bind blacklisted devices to pci-stub module. This will prevent

	# automatic grabbing these devices when we add device/vendor ID to

	# proper driver.

	if [[ -n "$PCI_BLACKLIST" ]]; then

		PCI_WHITELIST="$PCI_BLACKLIST" \

		PCI_BLACKLIST="" \

		DRIVER_OVERRIDE="pci-stub" \

			./scripts/setup.sh



		# Export our blacklist so it will take effect during next setup.sh

		export PCI_BLACKLIST

	fi

fi



# Delete all leftover lvols and gpt partitions

# Matches both /dev/nvmeXnY on Linux and /dev/nvmeXnsY on BSD

# Filter out nvme with partitions - the "p*" suffix

for dev in $(ls /dev/nvme*n* | grep -v p || true); do

	dd if=/dev/zero of="$dev" bs=1M count=1

done