From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>

Context destroyer is supposed to trigger wedging or resets at incovenient
times and then re-use the context so either the context or driver tracking
might get confused and break.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
 tests/gem_eio.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/tests/gem_eio.c b/tests/gem_eio.c
index b7c5047f0816..f3a452b2265c 100644
--- a/tests/gem_eio.c
+++ b/tests/gem_eio.c
@@ -591,6 +591,62 @@ static void test_inflight_internal(int fd, unsigned int 
wait)
        close(fd);
 }
 
+static void test_context_destroyer(int fd, unsigned int flags)
+{
+       uint32_t ctx0 = gem_context_create(fd);
+
+       igt_until_timeout(10) {
+               struct drm_i915_gem_execbuffer2 execbuf = { };
+               struct drm_i915_gem_exec_object2 obj = { };
+               uint32_t bbe = MI_BATCH_BUFFER_END;
+               igt_spin_t *hang;
+               unsigned int i;
+               uint32_t ctx;
+
+               gem_quiescent_gpu(fd);
+
+               igt_require(i915_reset_control(flags & TEST_WEDGE ?
+                                              false : true));
+
+               ctx = context_create_safe(fd);
+
+               hang = spin_sync(fd, ctx0, 0);
+
+               obj.handle = gem_create(fd, 4096);
+               gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
+
+               execbuf.buffers_ptr = to_user_pointer(&obj);
+               execbuf.buffer_count = 1;
+               execbuf.rsvd1 = ctx0;
+
+               for (i = 0; i < 10; i++)
+                       gem_execbuf(fd, &execbuf);
+
+               igt_assert_eq(__check_wait(fd, obj.handle, 100e3), 0);
+
+               igt_assert(i915_reset_control(true));
+               trigger_reset(fd);
+
+               gem_quiescent_gpu(fd);
+
+               execbuf.rsvd1 = ctx;
+               for (i = 0; i < 5; i++)
+                       gem_execbuf(fd, &execbuf);
+
+               execbuf.rsvd1 = ctx0;
+               for (i = 0; i < 5; i++)
+                       gem_execbuf(fd, &execbuf);
+
+               gem_sync(fd, obj.handle);
+               igt_spin_batch_free(fd, hang);
+               gem_context_destroy(fd, ctx);
+               gem_close(fd, obj.handle);
+
+       }
+
+       gem_context_destroy(fd, ctx0);
+}
+
 static int fd = -1;
 
 static void
@@ -635,6 +691,12 @@ igt_main
        igt_subtest("in-flight-suspend")
                test_inflight_suspend(fd);
 
+       igt_subtest("context-destroyer")
+               test_context_destroyer(fd, 0);
+
+       igt_subtest("context-destroyer-wedge")
+               test_context_destroyer(fd, TEST_WEDGE);
+
        igt_subtest_group {
                const struct {
                        unsigned int wait;
-- 
2.14.1

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