Add pread/pwrite ioctls to mmfs.

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/drmtest.c b/tests/drmtest.c
index cae99a0c..58f71a6a 100644
--- a/tests/drmtest.c
+++ b/tests/drmtest.c
@@ -26,7 +26,9 @@
  */
 
 #include <fcntl.h>
+#include <sys/stat.h>
 #include "drmtest.h"
+#include "mmfs.h"
 
 /** Open the first DRM device we can find, searching up to 16 device nodes */
 int drm_open_any(void)
@@ -81,3 +83,34 @@ int drm_open_any_master(void)
 	abort();
 }
 
+static void
+create_mmfs_device()
+{
+	struct stat sb;
+	int ret;
+
+	ret = stat(MMFS_DEVICE_PATH, &sb);
+
+	if (ret == 0)
+		return;
+
+	ret = mknod(MMFS_DEVICE_PATH, S_IFCHR | S_IRUSR | S_IWUSR,
+		    makedev(MMFS_DEVICE_MAJOR, 0));
+
+	if (ret != 0)
+		errx(1, "mknod()");
+}
+
+int
+open_mmfs_device()
+{
+	int fd;
+
+	create_mmfs_device();
+
+	fd = open(MMFS_DEVICE_PATH, O_RDWR);
+	if (fd == -1)
+		errx(1, "open()");
+
+	return fd;
+}