[PATCH i-g-t v2 33/66] tests/xe_eudebug: Add multigpu scenarios

[Christoph Manszewski <christoph.manszewski@intel.com>]

From: Dominik Karol Piątkowski <dominik.karol.piatkowski@intel.com>

Add multigpu-basic-client and multigpu-basic-client-many tests,
extending basic-client and multiple-session tests.

Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski@intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
---
 tests/intel/xe_eudebug.c | 62 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/tests/intel/xe_eudebug.c b/tests/intel/xe_eudebug.c
index 4bcca4fc6..1f4bb49af 100644
--- a/tests/intel/xe_eudebug.c
+++ b/tests/intel/xe_eudebug.c
@@ -875,6 +875,15 @@ static void test_read_event(int fd)
  *	Attach the debugger to a process that performs bind, bind array, rebind,
  *	partial unbind, unbind and unbind all operations.
  *
+ * SUBTEST: multigpu-basic-client
+ * Description:
+ *	Attach the debugger to process which opens and closes xe drm client on all Xe devices.
+ *
+ * SUBTEST: multigpu-basic-client-many
+ * Description:
+ *	Simultaneously attach many debuggers to many processes on all Xe devices.
+ *	Each process opens and closes xe drm client and creates few resources.
+ *
  * arg[1]:
  *
  * @vms: vms
@@ -1971,7 +1980,8 @@ static void test_basic_ufence(int fd, unsigned int flags)
 igt_main
 {
 	bool was_enabled;
-	int fd;
+	bool *multigpu_was_enabled;
+	int fd, gpu_count;
 
 	igt_fixture {
 		fd = drm_open_driver(DRIVER_XE);
@@ -2063,4 +2073,54 @@ igt_main
 		xe_eudebug_enable(fd, was_enabled);
 		drm_close_driver(fd);
 	}
+
+	igt_subtest_group {
+		igt_fixture {
+			gpu_count = drm_prepare_filtered_multigpu(DRIVER_XE);
+			igt_require(gpu_count >= 2);
+
+			multigpu_was_enabled = malloc(gpu_count * sizeof(bool));
+			igt_assert(multigpu_was_enabled);
+			for (int i = 0; i < gpu_count; i++) {
+				fd = drm_open_filtered_card(i);
+				multigpu_was_enabled[i] = xe_eudebug_enable(fd, true);
+				close(fd);
+			}
+		}
+
+		igt_subtest("multigpu-basic-client") {
+			igt_multi_fork(child, gpu_count) {
+				fd = drm_open_filtered_card(child);
+				igt_assert_f(fd > 0, "cannot open gpu-%d, errno=%d\n",
+					     child, errno);
+				igt_assert(is_xe_device(fd));
+
+				test_basic_sessions(fd, 0, 1, true);
+				close(fd);
+			}
+			igt_waitchildren();
+		}
+
+		igt_subtest("multigpu-basic-client-many") {
+			igt_multi_fork(child, gpu_count) {
+				fd = drm_open_filtered_card(child);
+				igt_assert_f(fd > 0, "cannot open gpu-%d, errno=%d\n",
+					     child, errno);
+				igt_assert(is_xe_device(fd));
+
+				test_basic_sessions(fd, 0, 4, true);
+				close(fd);
+			}
+			igt_waitchildren();
+		}
+
+		igt_fixture {
+			for (int i = 0; i < gpu_count; i++) {
+				fd = drm_open_filtered_card(i);
+				xe_eudebug_enable(fd, multigpu_was_enabled[i]);
+				close(fd);
+			}
+			free(multigpu_was_enabled);
+		}
+	}
 }
-- 
2.34.1