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scripts/qat_setup: Make sure the out-of-tree intel_qat driver is in use

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Change-Id: I8869b42cd42a1f18cbbde79d59e1a95df9316d4e
Signed-off-by: Michal Berger <michalx.berger@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5451
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Michal Berger 2020-12-04 11:08:46 +01:00 committed by Tomasz Zawadzki
parent d495c9b222
commit fb732cb782
1 changed files with 48 additions and 0 deletions
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48
scripts/qat_setup.sh
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@ -1,9 +1,55 @@
#!/usr/bin/env bash #!/usr/bin/env bash
shopt -s nullglob
rootdir=$(readlink -f $(dirname $0))/.. rootdir=$(readlink -f $(dirname $0))/..
igb_driverdir=$rootdir/dpdk/build/build/kernel/igb_uio/ igb_driverdir=$rootdir/dpdk/build/build/kernel/igb_uio/
allowed_drivers=("igb_uio" "uio_pci_generic") allowed_drivers=("igb_uio" "uio_pci_generic")
reload_intel_qat() {
# We need to make sure the out-of-tree intel_qat driver, provided via vm_setup.sh, is in
# use. Otherwise, some dependency modules loaded by qat_service may fail causing some
# disturbance later on during the tests - in particular, it's been seen that the adf_ctl
# was returning inconsistent data (wrong pci addresses), confusing the service into
# believing SR-IOV is not enabled.
# If this file doesn't exist, then either intel_qat is a kernel built-in or is not loaded.
# Nothing to do in such cases, qat_service will load the module for us.
[[ -e /sys/module/intel_qat/taint ]] || return 0
local t v
t=$(< /sys/module/intel_qat/taint)
v=$(< /sys/module/intel_qat/version)
# OE - out-of-tree, unsigned. By the very default, drivers built via vm_setup.sh are not
# signed.
[[ -z $t || $t != *"OE"* ]] || return 0
# Check the version of loaded module against the version of the same module as seen
# from .dep. perspective. if these are the same the most likely something is broken
# with the dependencies. We report a failure in such a case since reloading the module
# won't do any good anyway.
if [[ $(modinfo -F version intel_qat) == "$v" ]]; then
cat <<- WARN
Upstream intel_qat driver detected. Same version of the driver is seen
in modules dependencies: $v. This may mean QAT build didn't update
dependencies properly. QAT setup may fail, please, rebuild the QAT
driver.
WARN
return 0
fi
# Ok, intel_qat is an upstream module, replace it with the out-of-tree one.
echo "Reloading intel_qat module"
local h=(/sys/module/intel_qat/holders/*)
h=("${h[@]##*/}")
modprobe -r "${h[@]}" intel_qat
# qat_service does that too, but be vigilant
modprobe -a intel_qat "${h[@]}"
}
# This script requires an igb_uio kernel module binary located at $igb_driverdir/igb_uio.ko # This script requires an igb_uio kernel module binary located at $igb_driverdir/igb_uio.ko
# Please also note that this script is not intended to be comprehensive or production quality. # Please also note that this script is not intended to be comprehensive or production quality.
# It supports configuring a single card (the Intel QAT 8970) for use with the SPDK # It supports configuring a single card (the Intel QAT 8970) for use with the SPDK
@ -34,6 +80,8 @@ if $bad_driver; then
exit 1 exit 1
fi fi
reload_intel_qat
# try starting the qat service. If this doesn't work, just treat it as a warning for now. # try starting the qat service. If this doesn't work, just treat it as a warning for now.
if ! service qat_service start; then if ! service qat_service start; then
echo "failed to start the qat service. Something may be wrong with your 01.org driver." echo "failed to start the qat service. Something may be wrong with your 01.org driver."