tests/gem_mmap_gtt: Add testcase for the vma access manager

Currently fails since the patches aren't merged yet.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/tests/gem_mmap_gtt.c b/tests/gem_mmap_gtt.c
index d692822..21c7d18 100644 (file)
--- a/tests/gem_mmap_gtt.c
+++ b/tests/gem_mmap_gtt.c
@@ -25,6 +25,7 @@
  *
  */
 
+#define _GNU_SOURCE
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -73,6 +74,43 @@ create_pointer(int fd)
 }
 
 static void
+test_access(int fd)
+{
+       uint32_t handle, flink, handle2;
+       struct drm_i915_gem_mmap_gtt mmap_arg;
+       int fd2;
+
+       handle = gem_create(fd, OBJECT_SIZE);
+       igt_assert(handle);
+
+       fd2 = drm_open_any();
+
+       /* Check that fd1 can mmap. */
+       mmap_arg.handle = handle;
+       igt_assert(drmIoctl(fd,
+                           DRM_IOCTL_I915_GEM_MMAP_GTT,
+                           &mmap_arg) == 0);
+
+       igt_assert(mmap64(0, OBJECT_SIZE, PROT_READ | PROT_WRITE,
+                         MAP_SHARED, fd, mmap_arg.offset));
+
+       /* Check that the same offset on the other fd doesn't work. */
+       igt_assert(!mmap64(0, OBJECT_SIZE, PROT_READ | PROT_WRITE,
+                          MAP_SHARED, fd2, mmap_arg.offset) &&
+                  errno == EACCES);
+
+       flink = gem_flink(fd, handle);
+       igt_assert(flink);
+       handle2 = gem_open(fd2, flink);
+       igt_assert(handle2);
+
+       /* Recheck that it works after flink. */
+       /* Check that the same offset on the other fd doesn't work. */
+       igt_assert(mmap64(0, OBJECT_SIZE, PROT_READ | PROT_WRITE,
+                         MAP_SHARED, fd2, mmap_arg.offset));
+}
+
+static void
 test_copy(int fd)
 {
        void *src, *dst;
@@ -164,6 +202,8 @@ int main(int argc, char **argv)
        igt_fixture
                fd = drm_open_any();
 
+       igt_subtest("access")
+               test_access(fd);
        igt_subtest("copy")
                test_copy(fd);
        igt_subtest("read")