From b68ca55c964cac5a6940e27f2880ee740cb1618a Mon Sep 17 00:00:00 2001
From: Vijay Kumar Banerjee <vijaykumar9597@gmail.com>
Date: Thu, 18 Jul 2019 14:26:26 +0530
Subject: Add mmap

---
 testsuite/cdev01/test_cdev.c   | 21 ++++++++++++++++++++-
 testsuite/cdev01/test_cdev01.h |  3 ++-
 testsuite/cdev01/test_main.c   |  4 ++++
 3 files changed, 26 insertions(+), 2 deletions(-)

(limited to 'testsuite')

diff --git a/testsuite/cdev01/test_cdev.c b/testsuite/cdev01/test_cdev.c
index 19fb1a5e..f6851fdd 100644
--- a/testsuite/cdev01/test_cdev.c
+++ b/testsuite/cdev01/test_cdev.c
@@ -30,8 +30,10 @@
  */
 
 #include <machine/rtems-bsd-kernel-space.h>
+#include <machine/vm.h>
 #include <sys/types.h>
 #include <sys/conf.h>
+#include <sys/mman.h>
 
 #include <rtems/seterr.h>
 
@@ -46,6 +48,7 @@ static	d_write_t	testwrite;
 static	d_ioctl_t	testioctl;
 static	d_poll_t	testpoll;
 static	d_kqfilter_t	testkqfilter;
+static	d_mmap_t	testmmap;
 
 static struct cdevsw test_cdevsw = {
 	.d_version =	D_VERSION,
@@ -59,6 +62,7 @@ static struct cdevsw test_cdevsw = {
 	.d_ioctl =	testioctl,
 	.d_poll =	testpoll,
 	.d_kqfilter =	testkqfilter,
+	.d_mmap =	testmmap,
 };
 
 static	int
@@ -77,7 +81,7 @@ testclose(struct cdev *dev, int fflag, int devtype, struct thread *td)
 {
 	test_state *state = dev->si_drv1;
 
-	assert(*state == TEST_KQFILTER);
+	assert(*state == TEST_MMAP);
 	*state = TEST_CLOSED;
 
 	return 0;
@@ -148,6 +152,21 @@ testkqfilter(struct cdev *dev, struct knote *kn)
 	return TEST_KQ_ERRNO;
 }
 
+static int
+testmmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
+         int nprot, vm_memattr_t *memattr)
+{
+	test_state *state = dev->si_drv1;
+
+	assert(paddr != NULL);
+	assert(memattr == VM_MEMATTR_DEFAULT);
+	assert(nprot == (PROT_READ | PROT_WRITE));
+	assert(*state == TEST_KQFILTER);
+	*state = TEST_MMAP;
+
+	return 0;
+}
+
 void
 test_make_dev(test_state *state, const char *name)
 {
diff --git a/testsuite/cdev01/test_cdev01.h b/testsuite/cdev01/test_cdev01.h
index a83001b5..58866a0c 100644
--- a/testsuite/cdev01/test_cdev01.h
+++ b/testsuite/cdev01/test_cdev01.h
@@ -42,7 +42,8 @@ typedef enum {
 	TEST_WRITEV,
 	TEST_POLL,
 	TEST_KQFILTER,
-	TEST_CLOSED
+	TEST_MMAP,
+	TEST_CLOSED,
 } test_state;
 
 void test_make_dev(test_state *state, const char *name);
diff --git a/testsuite/cdev01/test_main.c b/testsuite/cdev01/test_main.c
index cbff9133..23aefa86 100644
--- a/testsuite/cdev01/test_main.c
+++ b/testsuite/cdev01/test_main.c
@@ -35,6 +35,7 @@
 #include <sys/time.h>
 #include <sys/uio.h>
 #include <sys/ioctl.h>
+#include <sys/mman.h>
 
 #include <assert.h>
 #include <errno.h>
@@ -125,6 +126,9 @@ static void test_cdev(const char *path)
 	assert(rv == -1);
 	assert(errno == TEST_KQ_ERRNO);
 
+	rv = mmap(NULL, 1, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+	assert(rv == 0);
+
 	rv = close(fd);
 	assert(rv == 0);
 
-- 
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