c8802892ab
Rename hotplug.sh to sw_hotplug.sh (software hotplug) and refactor its code in preparation for new software based hotplug test. Signed-off-by: Maciej Szwed <maciej.szwed@intel.com> Change-Id: I751fc60ee013de341e064c83f0be3a9b404008e7 Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8834 Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
71 lines
1.8 KiB
Bash
Executable File
71 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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testdir=$(readlink -f $(dirname $0))
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rootdir=$(readlink -f $testdir/../..)
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source $rootdir/scripts/common.sh
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source $rootdir/test/common/autotest_common.sh
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# Pci bus hotplug
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cleanup() {
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[[ -e /proc/$hotplug_pid/status ]] || return 0
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kill "$hotplug_pid"
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}
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remove_attach_helper() {
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local hotplug_events=$1
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local hotplug_wait=$2
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local dev
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# We need to make sure we wait long enough for hotplug to initialize the devices
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# and start IO - if we start removing devices before that happens we will end up
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# stepping on hotplug's toes forcing it to fail to report proper count of given
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# events.
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sleep "$hotplug_wait"
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while ((hotplug_events--)); do
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for dev in "${nvmes[@]}"; do
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echo 1 > "/sys/bus/pci/devices/$dev/remove"
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done
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echo 1 > "/sys/bus/pci/rescan"
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# setup.sh masks failures while writing to sysfs interfaces so let's do
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# this on our own to make sure there's anything for the hotplug to reattach
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# to.
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for dev in "${nvmes[@]}"; do
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echo "$dev" > "/sys/bus/pci/devices/$dev/driver/unbind"
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echo "$dev" > "/sys/bus/pci/drivers/${pci_bus_driver["$dev"]}/bind"
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done
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# Wait now for hotplug to reattach to the devices
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sleep "$hotplug_wait"
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done
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}
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run_hotplug() {
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"$rootdir/scripts/setup.sh"
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local hotplug_events=3
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local hotplug_wait=6 # This should be enough for more stubborn nvmes in the CI
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local nvmes=($(nvme_in_userspace))
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local nvme_count=${#nvmes[@]}
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xtrace_disable
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cache_pci_bus_sysfs
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xtrace_restore
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trap "cleanup" EXIT
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remove_attach_helper "$hotplug_events" "$hotplug_wait" &
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hotplug_pid=$!
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"$SPDK_EXAMPLE_DIR/hotplug" \
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-i 0 \
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-t $((hotplug_events * hotplug_wait + hotplug_wait)) \
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-n $((hotplug_events * nvme_count)) \
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-r $((hotplug_events * nvme_count)) \
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-l warning
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}
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# Run pci bus hotplug test
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run_hotplug
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