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* [Intel-gfx] [PATCH i-g-t] prime_vgem: Check that we wrap the vgem mmap with userptr
@ 2020-10-08 22:13 Chris Wilson
  2020-10-08 22:22 ` [Intel-gfx] [PATCH i-g-t v2] " Chris Wilson
                   ` (5 more replies)
  0 siblings, 6 replies; 8+ messages in thread
From: Chris Wilson @ 2020-10-08 22:13 UTC (permalink / raw)
  To: intel-gfx
  Cc: igt-dev, Lahtinen, Joonas, Kondapally, Kalyan, Graunke, Kenneth W,
	Chris Wilson

This came up in a discussion about importing virtio dma-buf, which are
themselves plain shmemfs objects and so not only backed by struct pages,
but wrappable by userptr. vgem share the same properties and so should
serve as a useful proxy for testing.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "Graunke, Kenneth W" <kenneth.w.graunke@intel.com>,
Cc: "Lahtinen, Joonas" <joonas.lahtinen@intel.com>
Cc: "Kondapally, Kalyan" <kalyan.kondapally@intel.com>
---
 tests/intel-ci/fast-feedback.testlist |  1 +
 tests/prime_vgem.c                    | 42 +++++++++++++++++++++++++++
 2 files changed, 43 insertions(+)

diff --git a/tests/intel-ci/fast-feedback.testlist b/tests/intel-ci/fast-feedback.testlist
index aa2eb3295..982d25834 100644
--- a/tests/intel-ci/fast-feedback.testlist
+++ b/tests/intel-ci/fast-feedback.testlist
@@ -143,6 +143,7 @@ igt@prime_vgem@basic-fence-read
 igt@prime_vgem@basic-gtt
 igt@prime_vgem@basic-read
 igt@prime_vgem@basic-write
+igt@prime_vgem@basic-userptr
 igt@vgem_basic@setversion
 igt@vgem_basic@create
 igt@vgem_basic@debugfs
diff --git a/tests/prime_vgem.c b/tests/prime_vgem.c
index 38e2026aa..425bba8fb 100644
--- a/tests/prime_vgem.c
+++ b/tests/prime_vgem.c
@@ -287,6 +287,45 @@ static void test_write(int vgem, int i915)
 	munmap(ptr, scratch.size);
 }
 
+static uint32_t batch_create(int i915)
+{
+	const uint32_t bbe = MI_BATCH_BUFFER_END;
+	uint32_t handle;
+
+	handle = gem_create(i915, 4096);
+	gem_write(i915, handle, 0, &bbe, sizeof(bbe));
+
+	return handle;
+}
+
+static void test_userptr(int vgem, int i915)
+{
+	struct vgem_bo scratch;
+	struct drm_i915_gem_exec_object2 obj[2] = {};
+	struct drm_i915_gem_execbuffer2 execbuf = {
+		.buffers_ptr = to_user_pointer(obj),
+		.buffer_count = ARRAY_SIZE(obj),
+	};
+	uint32_t *ptr;
+
+	scratch.width = 1024;
+	scratch.height = 1024;
+	scratch.bpp = 32;
+	vgem_create(vgem, &scratch);
+
+	ptr = vgem_mmap(vgem, &scratch, PROT_WRITE);
+	gem_close(vgem, scratch.handle);
+
+	gem_userptr(i915, (uint32_t *)ptr, scratch.size, 0, 0, &obj[0].handle);
+	obj[1].handle = batch_create(i915);
+
+	gem_execbuf(i915, &execbuf);
+	gem_close(i915, obj[1].handle);
+	gem_close(i915, obj[0].handle);
+
+	munmap(ptr, scratch.size);
+}
+
 static void test_gtt(int vgem, int i915)
 {
 	struct vgem_bo scratch;
@@ -1038,6 +1077,9 @@ igt_main
 	igt_subtest("basic-write")
 		test_write(vgem, i915);
 
+	igt_subtest("basic-userptr")
+		test_userptr(vgem, i915);
+
 	igt_subtest("basic-gtt") {
 		gem_require_mappable_ggtt(i915);
 		test_gtt(vgem, i915);
-- 
2.28.0

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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2020-10-09  9:38 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-10-08 22:13 [Intel-gfx] [PATCH i-g-t] prime_vgem: Check that we wrap the vgem mmap with userptr Chris Wilson
2020-10-08 22:22 ` [Intel-gfx] [PATCH i-g-t v2] " Chris Wilson
2020-10-08 22:58 ` [igt-dev] ✓ Fi.CI.BAT: success for prime_vgem: Check that we wrap the vgem mmap with userptr (rev2) Patchwork
2020-10-08 23:03 ` [igt-dev] [PATCH i-g-t v3] prime_vgem: Check that we wrap the vgem mmap with userptr Chris Wilson
2020-10-09  9:38   ` Tvrtko Ursulin
2020-10-08 23:40 ` [igt-dev] ✓ Fi.CI.BAT: success for prime_vgem: Check that we wrap the vgem mmap with userptr (rev3) Patchwork
2020-10-09  2:19 ` [igt-dev] ✗ Fi.CI.IGT: failure for prime_vgem: Check that we wrap the vgem mmap with userptr (rev2) Patchwork
2020-10-09  3:09 ` [igt-dev] ✗ Fi.CI.IGT: failure for prime_vgem: Check that we wrap the vgem mmap with userptr (rev3) Patchwork

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