hotplug: rename and refactor hotplug.sh

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>

autotest.sh

@@ -212,8 +212,8 @@ if [ $SPDK_RUN_FUNCTIONAL_TEST -eq 1 ]; then
 		# Only test hotplug without ASAN enabled. Since if it is
 		# enabled, it catches SEGV earlier than our handler which
 		# breaks the hotplug logic.
-		if [ $SPDK_RUN_ASAN -eq 0 ]; then
-			run_test "nvme_hotplug" test/nvme/hotplug.sh
+		if [ $SPDK_RUN_ASAN -eq 0 ] && [ $(uname -s) = Linux ]; then
+			run_test "sw_hotplug" test/nvme/sw_hotplug.sh
 		fi
 	fi
 

test/nvme/sw_hotplug.sh

@@ -2,10 +2,10 @@
 
 testdir=$(readlink -f $(dirname $0))
 rootdir=$(readlink -f $testdir/../..)
+source $rootdir/scripts/common.sh
 source $rootdir/test/common/autotest_common.sh
 
-[[ $(uname -s) == Linux ]] || exit 0
-
+# Pci bus hotplug
 cleanup() {
 	[[ -e /proc/$hotplug_pid/status ]] || return 0
 	kill "$hotplug_pid"
@@ -41,9 +41,19 @@ remove_attach_helper() {
 	done
 }
 
-hotplug() {
+run_hotplug() {
+	"$rootdir/scripts/setup.sh"
+
 	local hotplug_events=3
 	local hotplug_wait=6 # This should be enough for more stubborn nvmes in the CI
+	local nvmes=($(nvme_in_userspace))
+	local nvme_count=${#nvmes[@]}
+
+	xtrace_disable
+	cache_pci_bus_sysfs
+	xtrace_restore
+
+	trap "cleanup" EXIT
 
 	remove_attach_helper "$hotplug_events" "$hotplug_wait" &
 	hotplug_pid=$!
@@ -56,13 +66,5 @@ hotplug() {
 		-l warning
 }
 
-"$rootdir/scripts/setup.sh"
-nvmes=($(nvme_in_userspace)) nvme_count=${#nvmes[@]}
-
-xtrace_disable
-cache_pci_bus_sysfs
-xtrace_restore
-
-trap "cleanup" EXIT
-
-hotplug
+# Run pci bus hotplug test
+run_hotplug