[igt-dev] [PATCH i-g-t] tests/i915: Add simple test for HuC

[Michal Wajdeczko]

Add simple test to check that HuC firmware is available.
Use existing I915_GETPARAM and debugfs entry.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Martin Peres <martin.peres at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tony Ye <tony.ye at intel.com>
---
 tests/Makefile.sources |  3 ++
 tests/i915/i915_huc.c  | 74 ++++++++++++++++++++++++++++++++++++++++++
 tests/meson.build      |  1 +
 3 files changed, 78 insertions(+)
 create mode 100644 tests/i915/i915_huc.c

diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 7f921f6c..dfa3fcd3 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -475,6 +475,9 @@ i915_getparams_basic_SOURCES = i915/i915_getparams_basic.c
 TESTS_progs += i915_hangman
 i915_hangman_SOURCES = i915/i915_hangman.c
 
+TESTS_progs += i915_huc
+i915_huc_SOURCES = i915/i915_huc.c
+
 TESTS_progs += i915_module_load
 i915_module_load_SOURCES = i915/i915_module_load.c
 
diff --git a/tests/i915/i915_huc.c b/tests/i915/i915_huc.c
new file mode 100644
index 00000000..10cd5d6f
--- /dev/null
+++ b/tests/i915/i915_huc.c
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include "igt.h"
+#include <fcntl.h>
+#include <i915_drm.h>
+#include <sys/ioctl.h>
+
+IGT_TEST_DESCRIPTION("Check that HuC firmware is available.");
+
+static bool has_guc(int fd)
+{
+	uint32_t devid = intel_get_drm_devid(fd);
+
+	return IS_SKYLAKE(devid) || IS_BROXTON(devid) ||
+	       IS_KABYLAKE(devid) || IS_COFFEELAKE(devid) ||
+	       IS_GEMINILAKE(devid) || IS_ICELAKE(devid);
+}
+
+static bool has_huc(int fd)
+{
+	return has_guc(fd);
+}
+
+static void check_huc_status(int device)
+{
+	int loaded = 0;
+	drm_i915_getparam_t gp = {
+		.param = I915_PARAM_HUC_STATUS,
+		.value = &loaded,
+	};
+
+	igt_require(ioctl(device, DRM_IOCTL_I915_GETPARAM, &gp) == 0);
+	igt_assert_eq(loaded, 1);
+}
+
+#define HUC_STATUS_DEBUGFS_FILE "i915_huc_load_status"
+
+static void check_huc_info(int device)
+{
+	int fd = igt_debugfs_open(device, HUC_STATUS_DEBUGFS_FILE, O_RDONLY);
+	igt_assert_f(fd >= 0, "'%s' debugfs entry not found\n",
+		     HUC_STATUS_DEBUGFS_FILE);
+	close(fd);
+
+	igt_assert(igt_debugfs_search(device, HUC_STATUS_DEBUGFS_FILE,
+		   "status: fetch SUCCESS"));
+	igt_assert(igt_debugfs_search(device, HUC_STATUS_DEBUGFS_FILE,
+		   "load SUCCESS"));
+}
+
+igt_main
+{
+	int fd;
+
+	igt_fixture {
+		fd = drm_open_driver(DRIVER_INTEL);
+		igt_require_intel(fd);
+		igt_skip_on_f(!has_huc(fd),
+			      "HuC is not available on this platform\n");
+	}
+
+	igt_subtest("status")
+		check_huc_status(fd);
+
+	igt_subtest("info")
+		check_huc_info(fd);
+
+	igt_fixture {
+		close(fd);
+	}
+}
diff --git a/tests/meson.build b/tests/meson.build
index 351594fa..22ed165c 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -220,6 +220,7 @@ i915_progs = [
 	'i915_fb_tiling',
 	'i915_getparams_basic',
 	'i915_hangman',
+	'i915_huc',
 	'i915_module_load',
 	'i915_pm_backlight',
 	'i915_pm_lpsp',
-- 
2.19.2