[v6,11/11] devtools: check event device doc tables

diff --git a/devtools/check-doc-vs-code.sh b/devtools/check-doc-vs-code.sh
index c58c239c87..608d6e0e2e 100755
--- a/devtools/check-doc-vs-code.sh
+++ b/devtools/check-doc-vs-code.sh
@@ -66,11 +66,35 @@  check_rte_flow() # <driver>
 	fi
 }
 
+all_event_drivers()
+{
+	find $rootdir/drivers/event -mindepth 1 -maxdepth 1 -type d |
+	sed 's,.*/,,' |
+	sort
+}
+
+check_event_dev() # <driver>
+{
+	code=$rootdir/drivers/event/$1
+	doc=$rootdir/doc/guides/eventdevs/features/$1.ini
+	[ -d $code ] || return 0
+	[ -f $doc ] || return 0
+	report=$($selfdir/parse-event-support.sh $code $doc)
+	if [ -n "$report" ]; then
+		error "doc out of sync for $1"
+		echo "$report" | sed 's,^,\t,'
+	fi
+}
+
 if [ -z "$trusted_commit" ]; then
 	# check all
 	for driver in $(all_net_drivers); do
 		check_rte_flow $driver
 	done
+
+	for driver in $(all_event_drivers); do
+		check_event_dev $driver
+	done
 	exit $result
 fi
 
@@ -81,4 +105,15 @@  if has_code_change 'RTE_FLOW_.*_TYPE_' ||
 		check_rte_flow $driver
 	done
 fi
+
+if has_code_change 'RTE_EVENT_DEV_CAP_*' ||
+		has_code_change 'RTE_EVENT_ETH_RX_ADAPTER_CAP_*' ||
+		has_code_change 'RTE_EVENT_ETH_TX_ADAPTER_CAP_*' ||
+		has_code_change 'RTE_EVENT_CRYPTO_ADAPTER_CAP_*' ||
+		has_code_change 'RTE_EVENT_TIMER_ADAPTER_CAP_*' ||
+		has_file_change 'doc/guides/eventdevs/features'; then
+	for driver in $(all_event_drivers); do
+		check_event_dev $driver
+	done
+fi
 exit $result
diff --git a/devtools/parse-event-support.sh b/devtools/parse-event-support.sh
new file mode 100755
index 0000000000..d756977eec
--- /dev/null
+++ b/devtools/parse-event-support.sh
@@ -0,0 +1,149 @@ 
+#! /bin/sh -e
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2021 Marvell.
+
+# Parse event dev support of a driver directory,
+# and optionally show difference with a doc file in .ini format.
+
+dir=$1 # drivers/event/foo
+ref=$2 # doc/guides/eventdevs/features/foo.ini
+
+if [ -z "$dir" ]; then
+	echo "directory argument is required" >&2
+	exit 1
+fi
+
+# sorting order
+export LC_COLLATE=C
+
+# generate INI section
+list() # <title> <pattern>
+{
+	echo "[$1]"
+	git grep -who "$2[[:alnum:]_]*" $dir | sort -u |
+	awk 'sub(/'$2'/, "") {printf "%-20s = Y\n", tolower($0)}'
+}
+
+event_dev_sched_support()
+{
+	title="Scheduling Features"
+	pattern=$(echo "RTE_EVENT_DEV_CAP_" | awk '{print toupper($0)}')
+	list "$title" "$pattern" | grep -vwE 'void|indirect|end'
+}
+
+event_dev_rx_adptr_support()
+{
+	title="Eth Rx adapter Features"
+	pattern=$(echo "RTE_EVENT_ETH_RX_ADAPTER_CAP_" |
+		awk '{print toupper($0)}')
+	list "$title" "$pattern" | grep -vwE 'void|indirect|end'
+}
+
+event_dev_tx_adptr_support()
+{
+	title="Eth Tx adapter Features"
+	pattern=$(echo "RTE_EVENT_ETH_TX_ADAPTER_CAP_" |
+		awk '{print toupper($0)}')
+	list "$title" "$pattern" | grep -vwE 'void|indirect|end'
+}
+
+event_dev_crypto_adptr_support()
+{
+	title="Crypto adapter Features"
+	pattern=$(echo "RTE_EVENT_CRYPTO_ADAPTER_CAP_" |
+		awk '{print toupper($0)}')
+	list "$title" "$pattern" | grep -vwE 'void|indirect|end'
+}
+
+event_dev_timer_adptr_support()
+{
+	title="Timer adapter Features"
+	pattern=$(echo "RTE_EVENT_TIMER_ADAPTER_CAP_" |
+		awk '{print toupper($0)}')
+	list "$title" "$pattern" | grep -vwE 'void|indirect|end'
+}
+
+if [ -z "$ref" ]; then # generate full tables
+	event_dev_sched_support
+	echo
+	event_dev_rx_adptr_support
+	echo
+	event_dev_tx_adptr_support
+	echo
+	event_dev_crypto_adptr_support
+	echo
+	event_dev_timer_adptr_support
+	exit 0
+fi
+
+# compare with reference input
+event_dev_sched_compare()
+{
+	section="Scheduling Features]"
+	{
+		event_dev_sched_support
+		sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
+	} |
+	sed '/]/d' | # ignore section title
+	sed 's, *=.*,,' | # ignore value (better in doc than generated one)
+	sort | uniq -u | # show differences
+	sed "s,^,Scheduling Features ," # prefix with category name
+}
+
+event_dev_rx_adptr_compare()
+{
+	section="Eth Rx adapter Features]"
+	{
+		event_dev_rx_adptr_support
+		sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
+	} |
+	sed '/]/d' | # ignore section title
+	sed 's, *=.*,,' | # ignore value (better in doc than generated one)
+	sort | uniq -u | # show differences
+	sed "s,^,Eth Rx adapter Features ," # prefix with category name
+}
+
+event_dev_tx_adptr_compare()
+{
+	section="Eth Tx adapter Features]"
+	{
+		event_dev_tx_adptr_support
+		sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
+	} |
+	sed '/]/d' | # ignore section title
+	sed 's, *=.*,,' | # ignore value (better in doc than generated one)
+	sort | uniq -u | # show differences
+	sed "s,^,Eth Tx adapter Features ," # prefix with category name
+}
+
+event_dev_crypto_adptr_compare()
+{
+	section="Crypto adapter Features]"
+	{
+		event_dev_crypto_adptr_support
+		sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
+	} |
+	sed '/]/d' | # ignore section title
+	sed 's, *=.*,,' | # ignore value (better in doc than generated one)
+	sort | uniq -u | # show differences
+	sed "s,^,Crypto adapter Features ," # prefix with category name
+}
+
+event_dev_crypto_adptr_compare()
+{
+	section="Timer adapter Features]"
+	{
+		event_dev_timer_adptr_support
+		sed -n "/$section/,/]/p" "$ref" | sed '/^$/d'
+	} |
+	sed '/]/d' | # ignore section title
+	sed 's, *=.*,,' | # ignore value (better in doc than generated one)
+	sort | uniq -u | # show differences
+	sed "s,^,Timer adapter Features ," # prefix with category name
+}
+
+event_dev_sched_compare
+event_dev_rx_adptr_compare
+event_dev_tx_adptr_compare
+event_dev_crypto_adptr_compare
+event_dev_crypto_adptr_compare