This test includes:
1) Start/stop test for each rproc instance sequencially
2) Start/stop test for all rproc instances concurrently
Changes in v2:
- Update commit message
- Addressed start/stop flow
Signed-off-by: Wasim Nazir <quic_wasimn@xxxxxxxxxxx>
diff --git a/MAINTAINERS b/MAINTAINERS
index a77770cd96b8..02ebad5ae790 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19596,6 +19596,7 @@ F: Documentation/staging/remoteproc.rst
F: drivers/remoteproc/
F: include/linux/remoteproc.h
F: include/linux/remoteproc/
+F: tools/testing/selftests/remoteproc/
REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM
M: Bjorn Andersson <andersson@xxxxxxxxxx>
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index b38199965f99..0c8a0f427d01 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -82,6 +82,7 @@ TARGETS += proc
TARGETS += pstore
TARGETS += ptrace
TARGETS += openat2
+TARGETS += remoteproc
TARGETS += resctrl
TARGETS += riscv
TARGETS += rlimits
diff --git a/tools/testing/selftests/remoteproc/Makefile b/tools/testing/selftests/remoteproc/Makefile
new file mode 100644
index 000000000000..a84b3934fd36
--- /dev/null
+++ b/tools/testing/selftests/remoteproc/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
+TEST_PROGS := remoteproc_test.sh
+
+include ../lib.mk
diff --git a/tools/testing/selftests/remoteproc/config b/tools/testing/selftests/remoteproc/config
new file mode 100644
index 000000000000..a5c237d2f3b4
--- /dev/null
+++ b/tools/testing/selftests/remoteproc/config
@@ -0,0 +1 @@
+CONFIG_REMOTEPROC=y
diff --git a/tools/testing/selftests/remoteproc/remoteproc_test.sh b/tools/testing/selftests/remoteproc/remoteproc_test.sh
new file mode 100644
index 000000000000..589368285307
--- /dev/null
+++ b/tools/testing/selftests/remoteproc/remoteproc_test.sh
@@ -0,0 +1,134 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved.
+#
+
+DIR="$(dirname $(readlink -f "$0"))"
+
+KTAP_HELPERS="${DIR}/../kselftest/ktap_helpers.sh"
+if [ -e "$KTAP_HELPERS" ]; then
+ . "$KTAP_HELPERS"
+else
+ echo -n "1..0 # SKIP $KTAP_HELPERS file not found"
+ exit 4
+fi
+
+RPROC_SYS=/sys/class/remoteproc
+RPROC_SEQ_SLEEP=5
+rproc_instances=
+# Declare an array to save initial states of each instance
+org_instance_to_state=""
+num_tests=0
+test_err=0
+
+check_error() {
+ if [ $? -ne 0 ]; then
+ test_err=$((test_err+1))
+ ktap_print_msg "$@"
+ fi
+}
+
+rproc_stop_instances() {
+ for instance in ${rproc_instances}; do
+ rproc=${RPROC_SYS}/$instance
+ rproc_name=$(cat $rproc/name)
+ rproc_state=$(cat $rproc/state)
+
+ echo stop > "$rproc/state"
+ check_error "$rproc_name state-stop failed at state $rproc_state"
+ done
+ sleep ${RPROC_SEQ_SLEEP}
+}
+
+rproc_start_instances() {
+ for instance in ${rproc_instances}; do
+ rproc=${RPROC_SYS}/$instance
+ rproc_name=$(cat $rproc/name)
+ rproc_state=$(cat $rproc/state)
+
+ echo start > "$rproc/state"
+ check_error "$rproc_name state-start failed at state $rproc_state"
+ done
+ sleep ${RPROC_SEQ_SLEEP}
+}
+
+rproc_seq_test_instance_one() {
+ instance=$1
+ rproc=${RPROC_SYS}/$instance
+ rproc_name=$(cat $rproc/name)
+ rproc_state=$(cat $rproc/state)
+ ktap_print_msg "Testing rproc sequence for $rproc_name"
+
+ # Reset test_err value
+ test_err=0
+
+ # Begin start/stop sequence
+ echo start > "$rproc/state"
+ check_error "$rproc_name state-start failed at state $rproc_state"
+
+ sleep ${RPROC_SEQ_SLEEP}
+
+ echo stop > "$rproc/state"
+ check_error "$rproc_name state-stop failed at state $rproc_state"
+
+ if [ $test_err -ne 0 ]; then
+ ktap_test_fail "$rproc_name"
+ else
+ ktap_test_pass "$rproc_name"
+ fi
+}
+
+rproc_seq_test_instances_concurrently() {
+ # Reset test_err value
+ test_err=0
+
+ rproc_start_instances
+
+ rproc_stop_instances
+
+ if [ $test_err -ne 0 ]; then
+ ktap_test_fail "for any of $rproc_instances"
+ else
+ ktap_test_pass "for all $rproc_instances"
+ fi
+}
+
+ktap_print_header
+
+if [ ! -d "${RPROC_SYS}" ]; then
+ ktap_skip_all "${RPROC_SYS} doesn't exist."
+ exit "${KSFT_SKIP}"
+fi
+
+rproc_instances=$(find ${RPROC_SYS}/remoteproc* -maxdepth 1 -exec basename {} \;)
+num_tests=$(echo ${rproc_instances} | wc -w)
+if [ "${num_tests}" -eq 0 ]; then
+ ktap_skip_all "${RPROC_SYS}/remoteproc* doesn't exist."
+ exit "${KSFT_SKIP}"
+fi
+
+# Total tests will be:
+# 1) Seq tests for each instance sequencially
+# 2) Seq tests for all instances concurrently
+num_tests=$((num_tests+1))
+
+ktap_set_plan "${num_tests}"
+
+# Stop all instances
+rproc_stop_instances
+
+# Test 1
+ktap_print_msg "Testing rproc start/stop sequence for each instance sequencially"
+for instance in ${rproc_instances}; do
+ rproc_seq_test_instance_one $instance
+done
+
+# Test 2
+ktap_print_msg "Testing rproc start/stop sequence for all instances concurrently"
+rproc_seq_test_instances_concurrently
+
+# Restore all instances
+rproc_start_instances
+
+ktap_finished
--
2.46.1
