Commit b4e4dd5d authored by Elizabeth Figura's avatar Elizabeth Figura Committed by Greg Kroah-Hartman
Browse files

selftests: ntsync: Add some tests for auto-reset event state. 



Test event-specific ioctls NTSYNC_IOC_EVENT_SET, NTSYNC_IOC_EVENT_RESET,
NTSYNC_IOC_EVENT_PULSE, NTSYNC_IOC_EVENT_READ for auto-reset events, and
waiting on auto-reset events.

Signed-off-by: default avatarElizabeth Figura <zfigura@codeweavers.com>
Link: https://lore.kernel.org/r/20241213193511.457338-24-zfigura@codeweavers.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d2083b5f

tools/testing/selftests/drivers/ntsync/ntsync.c

+56 −0
Original line number Diff line number Diff line
@@ -426,6 +426,62 @@ TEST(manual_event_state) 
	close(fd);

}



TEST(auto_event_state)

{

	struct ntsync_event_args event_args;

	__u32 index, signaled;

	int fd, event, ret;



	fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);

	ASSERT_LE(0, fd);



	event_args.manual = 0;

	event_args.signaled = 1;

	event = ioctl(fd, NTSYNC_IOC_CREATE_EVENT, &event_args);

	EXPECT_LE(0, event);



	check_event_state(event, 1, 0);



	signaled = 0xdeadbeef;

	ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(1, signaled);

	check_event_state(event, 1, 0);



	ret = wait_any(fd, 1, &event, 123, &index);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, index);

	check_event_state(event, 0, 0);



	signaled = 0xdeadbeef;

	ret = ioctl(event, NTSYNC_IOC_EVENT_RESET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(event, 0, 0);



	ret = wait_any(fd, 1, &event, 123, &index);

	EXPECT_EQ(-1, ret);

	EXPECT_EQ(ETIMEDOUT, errno);



	ret = ioctl(event, NTSYNC_IOC_EVENT_SET, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);



	ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(1, signaled);

	check_event_state(event, 0, 0);



	ret = ioctl(event, NTSYNC_IOC_EVENT_PULSE, &signaled);

	EXPECT_EQ(0, ret);

	EXPECT_EQ(0, signaled);

	check_event_state(event, 0, 0);



	close(event);



	close(fd);

}



TEST(test_wait_any)

{

	int objs[NTSYNC_MAX_WAIT_COUNT + 1], fd, ret;