Verify if an additional address space associated with an open device
file descriptor is cleaned up correctly on device hotunbind / hotunplug.
Signed-off-by: Janusz Krzysztofik <janusz.krzyszto...@linux.intel.com>
---
tests/core_hotunplug.c | 79 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c
index 4f6c4f625..decfcdfda 100644
--- a/tests/core_hotunplug.c
+++ b/tests/core_hotunplug.c
@@ -32,6 +32,7 @@
#include "i915/gem.h"
#include "i915/gem_context.h"
+#include "i915/gem_vm.h"
#include "igt.h"
#include "igt_device_scan.h"
#include "igt_kmod.h"
@@ -600,6 +601,60 @@ static void ctx_hotunplug_lateclose(struct hotunplug *priv)
igt_assert_eq(priv->fd.drm, -1);
}
+static void vm_hotunbind_lateclose(struct hotunplug *priv)
+{
+ int vm;
+
+ igt_require(priv->fd.drm = -1);
+ priv->fd.drm = local_drm_open_driver(false, "pre-", " for prerequisites
check");
+
+ igt_require_intel(priv->fd.drm);
+ gem_require_vm(priv->fd.drm);
+ priv->fd.drm = close_device(priv->fd.drm, "", "pre-checked ");
+
+ pre_check(priv);
+
+ priv->fd.drm = local_drm_open_driver(false, "", " for hot unbind");
+
+ local_debug("%s\n", "creating additional GEM user address space");
+ vm = gem_vm_create(priv->fd.drm);
+
+ driver_unbind(priv, "hot ", 0);
+
+ local_debug("%s\n", "trying to late remove the address space");
+ igt_assert_eq(__gem_vm_destroy(priv->fd.drm, vm), -ENODEV);
+
+ priv->fd.drm = close_device(priv->fd.drm, "late ", "removed ");
+ igt_assert_eq(priv->fd.drm, -1);
+}
+
+static void vm_hotunplug_lateclose(struct hotunplug *priv)
+{
+ int vm;
+
+ igt_require(priv->fd.drm = -1);
+ priv->fd.drm = local_drm_open_driver(false, "pre-", " for prerequisites
check");
+
+ igt_require_intel(priv->fd.drm);
+ gem_require_vm(priv->fd.drm);
+ priv->fd.drm = close_device(priv->fd.drm, "", "pre-checked ");
+
+ pre_check(priv);
+
+ priv->fd.drm = local_drm_open_driver(false, "", " for hot unplug");
+
+ local_debug("%s\n", "creating additional GEM user address space");
+ vm = gem_vm_create(priv->fd.drm);
+
+ device_unplug(priv, "hot ", 0);
+
+ local_debug("%s\n", "trying to late remove the address space");
+ igt_assert_eq(__gem_vm_destroy(priv->fd.drm, vm), -ENODEV);
+
+ priv->fd.drm = close_device(priv->fd.drm, "late ", "unbound ");
+ igt_assert_eq(priv->fd.drm, -1);
+}
+
/* Main */
igt_main
@@ -761,6 +816,30 @@ igt_main
recover(&priv);
}
+ igt_fixture
+ post_healthcheck(&priv);
+
+ igt_subtest_group {
+ igt_describe("Check if the driver can be cleanly unboound form
a still open device with extra GEM address space, then released");
+ igt_subtest("vm-hotunbind-lateclose")
+ vm_hotunbind_lateclose(&priv);
+
+ igt_fixture
+ recover(&priv);
+ }
+
+ igt_fixture
+ post_healthcheck(&priv);
+
+ igt_subtest_group {
+ igt_describe("Check if a still open device with extra GEM
address space can be cleanly unplugged, then released");
+ igt_subtest("vm-hotunplug-lateclose")
+ vm_hotunplug_lateclose(&priv);
+
+ igt_fixture
+ recover(&priv);
+ }
+
igt_fixture {
post_healthcheck(&priv);
--
2.25.1
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