tests: estbalish drv_ prefix

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

1 files changed, 171 insertions, 0 deletions

diff --git a/tests/drv_suspend.c b/tests/drv_suspend.c
new file mode 100644
index 00000000..e526e2a2
--- /dev/null
+++ b/tests/drv_suspend.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright © 2013 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Daniel Vetter <daniel.vetter@ffwll.ch>
+ *
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include "drm.h"
+#include "i915_drm.h"
+#include "drmtest.h"
+
+#define OBJECT_SIZE (16*1024*1024)
+
+static void
+test_fence_restore(int fd, bool tiled2untiled)
+{
+	uint32_t handle1, handle2, handle_tiled;
+	uint32_t *ptr1, *ptr2, *ptr_tiled;
+	int i;
+
+	/* We wall the tiled object with untiled canary objects to make sure
+	 * that we detect tile leaking in both directions. */
+	handle1 = gem_create(fd, OBJECT_SIZE);
+	handle2 = gem_create(fd, OBJECT_SIZE);
+	handle_tiled = gem_create(fd, OBJECT_SIZE);
+
+	/* Access the buffer objects in the order we want to have the laid out. */
+	ptr1 = gem_mmap(fd, handle1, OBJECT_SIZE, PROT_READ | PROT_WRITE);
+	igt_assert(ptr1 != MAP_FAILED);
+	for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
+		ptr1[i] = i;
+
+	ptr_tiled = gem_mmap(fd, handle_tiled, OBJECT_SIZE, PROT_READ | PROT_WRITE);
+	igt_assert(ptr_tiled != MAP_FAILED);
+	if (tiled2untiled)
+		gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048);
+	for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
+		ptr_tiled[i] = i;
+
+	ptr2 = gem_mmap(fd, handle2, OBJECT_SIZE, PROT_READ | PROT_WRITE);
+	igt_assert(ptr2 != MAP_FAILED);
+	for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
+		ptr2[i] = i;
+
+	if (tiled2untiled)
+		gem_set_tiling(fd, handle_tiled, I915_TILING_NONE, 2048);
+	else
+		gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048);
+
+	igt_system_suspend_autoresume();
+
+	printf("checking the first canary object\n");
+	for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
+		igt_assert(ptr1[i] == i);
+
+	printf("checking the second canary object\n");
+	for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
+		igt_assert(ptr2[i] == i);
+
+	gem_close(fd, handle1);
+	gem_close(fd, handle2);
+	gem_close(fd, handle_tiled);
+
+	munmap(ptr1, OBJECT_SIZE);
+	munmap(ptr2, OBJECT_SIZE);
+	munmap(ptr_tiled, OBJECT_SIZE);
+}
+
+static void
+test_debugfs_reader(void)
+{
+	struct igt_helper_process reader = {};
+	reader.use_SIGKILL = true;
+
+	igt_fork_helper(&reader) {
+		static const char dfs_base[] = "/sys/kernel/debug/dri";
+		static char tmp[1024];
+
+		snprintf(tmp, sizeof(tmp) - 1,
+			 "while true; do find %s/%i/ -type f | xargs cat &> /dev/null; done",
+			 dfs_base, drm_get_card());
+		assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1);
+	}
+
+	sleep(1);
+
+	igt_system_suspend_autoresume();
+
+	sleep(1);
+
+	igt_stop_helper(&reader);
+}
+
+static void
+test_sysfs_reader(void)
+{
+	struct igt_helper_process reader = {};
+	reader.use_SIGKILL = true;
+
+	igt_fork_helper(&reader) {
+		static const char dfs_base[] = "/sys/class/drm/card";
+		static char tmp[1024];
+
+		snprintf(tmp, sizeof(tmp) - 1,
+			 "while true; do find %s%i*/ -type f | xargs cat &> /dev/null; done",
+			 dfs_base, drm_get_card());
+		assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1);
+	}
+
+	sleep(1);
+
+	igt_system_suspend_autoresume();
+
+	sleep(1);
+
+	igt_stop_helper(&reader);
+}
+
+int fd;
+
+igt_main
+{
+	igt_skip_on_simulation();
+
+	igt_fixture
+		fd = drm_open_any();
+
+	igt_subtest("fence-restore-tiled2untiled")
+		test_fence_restore(fd, true);
+
+	igt_subtest("fence-restore-untiled")
+		test_fence_restore(fd, false);
+
+	igt_subtest("debugfs-reader")
+		test_debugfs_reader();
+
+	igt_subtest("sysfs-reader")
+		test_sysfs_reader();
+
+	igt_fixture
+		close(fd);
+}