testsuite/cdev01: Add test for cdev functions.

1 files changed, 159 insertions, 0 deletions

diff --git a/testsuite/cdev01/test_cdev.c b/testsuite/cdev01/test_cdev.c
new file mode 100644
index 00000000..19fb1a5e
--- /dev/null
+++ b/testsuite/cdev01/test_cdev.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/rtems-bsd-kernel-space.h>
+#include <sys/types.h>
+#include <sys/conf.h>
+
+#include <rtems/seterr.h>
+
+#include <assert.h>
+
+#include "test_cdev01.h"
+
+static	d_open_t	testopen;
+static	d_close_t	testclose;
+static	d_read_t	testread;
+static	d_write_t	testwrite;
+static	d_ioctl_t	testioctl;
+static	d_poll_t	testpoll;
+static	d_kqfilter_t	testkqfilter;
+
+static struct cdevsw test_cdevsw = {
+	.d_version =	D_VERSION,
+	.d_flags =	0,
+/* FIXME: check for  D_PSEUDO | D_NEEDMINOR | D_NEEDGIANT | D_TRACKCLOSE */
+	.d_name =	"test",
+	.d_open =	testopen,
+	.d_close =	testclose,
+	.d_read =	testread,
+	.d_write =	testwrite,
+	.d_ioctl =	testioctl,
+	.d_poll =	testpoll,
+	.d_kqfilter =	testkqfilter,
+};
+
+static	int
+testopen(struct cdev *dev, int oflags, int devtype, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_NEW);
+	*state = TEST_OPEN;
+
+	return 0;
+}
+
+static	int
+testclose(struct cdev *dev, int fflag, int devtype, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_KQFILTER);
+	*state = TEST_CLOSED;
+
+	return 0;
+}
+
+static	int
+testread(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_OPEN || *state == TEST_IOCTL);
+	if(*state == TEST_OPEN) {
+		*state = TEST_READ;
+	} else {
+		*state = TEST_READV;
+	}
+
+	return 0;
+}
+
+static	int
+testwrite(struct cdev *dev, struct uio *uio, int ioflag)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_READ || *state == TEST_READV);
+	if(*state == TEST_READ) {
+		*state = TEST_WRITE;
+	} else {
+		*state = TEST_WRITEV;
+	}
+
+	return 0;
+}
+
+static	int
+testioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
+    struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(cmd == TEST_IOCTL_CMD);
+	assert(*state == TEST_WRITE);
+	*state = TEST_IOCTL;
+
+	return 0;
+}
+
+static	int
+testpoll(struct cdev *dev, int events, struct thread *td)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_WRITEV);
+	*state = TEST_POLL;
+
+	return 1;
+}
+
+static	int
+testkqfilter(struct cdev *dev, struct knote *kn)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(*state == TEST_POLL);
+	*state = TEST_KQFILTER;
+
+	return TEST_KQ_ERRNO;
+}
+
+void
+test_make_dev(test_state *state, const char *name)
+{
+	struct cdev *dev = NULL;
+
+	dev = make_dev(&test_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, name);
+	assert(dev != NULL);
+	dev->si_drv1 = state;
+}