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autotest: blacklist OCSSD devices

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Detect and blacklist OCSSD devices by unbinding the driver.

Change-Id: I7ba6cefd083a7d3ead6db27fa27a765f8ee52402
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442978 (master)
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447952
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Pawel Wodkowski 2019-02-01 10:26:39 +01:00 committed by Darek Stojaczyk
parent 432995ff4f
commit 0be07189a1
1 changed files with 35 additions and 4 deletions
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39
autotest.sh
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@ -59,10 +59,41 @@ if [ $(uname -s) = Linux ]; then
# Let the kernel discover any filesystems or partitions
sleep 10
# Delete all partitions on NVMe devices
devs=`lsblk -l -o NAME | grep nvme | grep -v p` || true
for dev in $devs; do
parted -s /dev/$dev mklabel msdos
# 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
# 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
# Load RAM disk driver if available