[igt-dev] [PATCH i-g-t 15/25] i915/gem_ctx_create: Basic checks for constructor properties

[Chris Wilson]

Check that the extended create interface accepts setparam.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/i915/gem_ctx_create.c | 57 +++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/tests/i915/gem_ctx_create.c b/tests/i915/gem_ctx_create.c
index a664070db..e12f41691 100644
--- a/tests/i915/gem_ctx_create.c
+++ b/tests/i915/gem_ctx_create.c
@@ -308,6 +308,60 @@ static void maximum(int fd, int ncpus, unsigned mode)
 	free(contexts);
 }
 
+static int __create_ext(int i915, struct drm_i915_gem_context_create_ext *arg)
+{
+	int err;
+
+	err = 0;
+	if (igt_ioctl(i915, DRM_IOCTL_I915_GEM_CONTEXT_CREATE_EXT, arg))
+		err = -errno;
+
+	errno = 0;
+	return err;
+}
+
+static void basic_ext_param(int i915)
+{
+	struct drm_i915_gem_context_create_ext_setparam ext = {
+		{ .name = I915_CONTEXT_CREATE_EXT_SETPARAM },
+	};
+	struct drm_i915_gem_context_create_ext create = {
+		.flags = I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS
+	};
+	struct drm_i915_gem_context_param get;
+
+	igt_require(__create_ext(i915, &create) == 0);
+	gem_context_destroy(i915, create.ctx_id);
+
+	create.extensions = -1ull;
+	igt_assert_eq(__create_ext(i915, &create), -EFAULT);
+
+	create.extensions = to_user_pointer(&ext);
+	igt_assert_eq(__create_ext(i915, &create), -EINVAL);
+
+	ext.param.param = I915_CONTEXT_PARAM_PRIORITY;
+	if (__create_ext(i915, &create) != -ENODEV) {
+		gem_context_destroy(i915, create.ctx_id);
+
+		ext.base.next_extension = -1ull;
+		igt_assert_eq(__create_ext(i915, &create), -EFAULT);
+		ext.base.next_extension = to_user_pointer(&ext);
+		igt_assert_eq(__create_ext(i915, &create), -E2BIG);
+		ext.base.next_extension = 0;
+
+		ext.param.value = 32;
+		igt_assert_eq(__create_ext(i915, &create), 0);
+
+		memset(&get, 0, sizeof(get));
+		get.ctx_id = create.ctx_id;
+		get.param = I915_CONTEXT_PARAM_PRIORITY;
+		gem_context_get_param(i915, &get);
+		igt_assert_eq(get.value, ext.param.value);
+
+		gem_context_destroy(i915, create.ctx_id);
+	}
+}
+
 igt_main
 {
 	const int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
@@ -352,6 +406,9 @@ igt_main
 		igt_assert_eq(__gem_context_create_local(fd, &create), -EINVAL);
 	}
 
+	igt_subtest("ext-param")
+		basic_ext_param(fd);
+
 	igt_subtest("maximum-mem")
 		maximum(fd, ncpus, CHECK_RAM);
 	igt_subtest("maximum-swap")
-- 
2.20.1