Verify if a device with a GEM spin batch job still running on a GPU can
be hot-unbound/unplugged cleanly and released.
Signed-off-by: Janusz Krzysztofik <janusz.krzyszto...@linux.intel.com>
---
tests/core_hotunplug.c | 124 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 124 insertions(+)
diff --git a/tests/core_hotunplug.c b/tests/core_hotunplug.c
index 0cb1267ae..f93545402 100644
--- a/tests/core_hotunplug.c
+++ b/tests/core_hotunplug.c
@@ -35,6 +35,7 @@
#include "i915/gem_vm.h"
#include "igt.h"
#include "igt_device_scan.h"
+#include "igt_dummyload.h"
#include "igt_kmod.h"
#include "igt_sysfs.h"
#include "sw_sync.h"
@@ -440,6 +441,37 @@ static int local_gem_close(int fd, uint32_t handle)
return igt_ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close_bo) ? -errno : 0;
}
+static int local_bo_busy(int fd, uint32_t handle)
+{
+ struct drm_i915_gem_busy busy = { .handle = handle, };
+
+ return igt_ioctl(fd, DRM_IOCTL_I915_GEM_BUSY, &busy) ? -errno : 0;
+}
+
+static void local_spin_free(struct hotunplug *priv, igt_spin_t *spin)
+{
+ igt_spin_end(spin);
+
+ spin->poll_handle = 0;
+ spin->handle = 0;
+
+ if (spin->poll) {
+ void *ptr = spin->poll;
+
+ spin->poll = NULL;
+ igt_assert(!gem_munmap(ptr, 4096));
+ }
+
+ if (spin->batch) {
+ void *ptr = spin->poll;
+
+ spin->batch = NULL;
+ igt_assert(!gem_munmap(ptr, 4096));
+ }
+
+ igt_spin_free(priv->fd.drm, spin);
+}
+
/* Subtests */
static void unbind_rebind(struct hotunplug *priv)
@@ -862,6 +894,74 @@ static void prime_hotunplug_lateclose(struct hotunplug
*priv)
igt_assert_eq(dmabuf, -1);
}
+static void spin_hotunbind_lateclose(struct hotunplug *priv)
+{
+ igt_spin_t *spin;
+
+ igt_require(priv->fd.drm = -1);
+ priv->fd.drm = local_drm_open_driver(false, "pre-", " for prerequisites
check");
+
+ igt_require_intel(priv->fd.drm);
+ igt_require_gem(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", "running dummy load");
+ spin = igt_spin_new(priv->fd.drm, .flags = IGT_SPIN_POLL_RUN);
+ igt_spin_busywait_until_started(spin);
+
+ driver_unbind(priv, "hot ", 0);
+
+ local_debug("%s\n", "trying to late query the dummy load related GEM
object status");
+ igt_assert_eq(local_bo_busy(priv->fd.drm, spin->handle), -ENODEV);
+ local_debug("%s\n", "trying to late close the dummy load related GEM
objects");
+ igt_assert_eq(local_gem_close(priv->fd.drm, spin->poll_handle),
-ENODEV);
+ igt_assert_eq(local_gem_close(priv->fd.drm, spin->handle), -ENODEV);
+
+ priv->fd.drm = close_device(priv->fd.drm, "late ", "unbound ");
+ igt_assert_eq(priv->fd.drm, -1);
+
+ local_debug("%s\n", "trying to late free the dummy load");
+ local_spin_free(priv, spin);
+}
+
+static void spin_hotunplug_lateclose(struct hotunplug *priv)
+{
+ igt_spin_t *spin;
+
+ igt_require(priv->fd.drm = -1);
+ priv->fd.drm = local_drm_open_driver(false, "pre-", " for prerequisites
check");
+
+ igt_require_intel(priv->fd.drm);
+ igt_require_gem(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", "running dummy load");
+ spin = igt_spin_new(priv->fd.drm, .flags = IGT_SPIN_POLL_RUN);
+ igt_spin_busywait_until_started(spin);
+
+ device_unplug(priv, "hot ", 0);
+
+ local_debug("%s\n", "trying to late query the dummy load related GEM
object status");
+ igt_assert_eq(local_bo_busy(priv->fd.drm, spin->handle), -ENODEV);
+ local_debug("%s\n", "trying to late close the dummy load related GEM
objects");
+ igt_assert_eq(local_gem_close(priv->fd.drm, spin->poll_handle),
-ENODEV);
+ igt_assert_eq(local_gem_close(priv->fd.drm, spin->handle), -ENODEV);
+
+ priv->fd.drm = close_device(priv->fd.drm, "late ", "removed ");
+ igt_assert_eq(priv->fd.drm, -1);
+
+ local_debug("%s\n", "trying to late free the dummy load");
+ local_spin_free(priv, spin);
+}
+
/* Main */
igt_main
@@ -1119,6 +1219,30 @@ igt_main
recover(&priv);
}
+ igt_fixture
+ post_healthcheck(&priv);
+
+ igt_subtest_group {
+ igt_describe("Check if the driver can be cleanly unbound from a
device with a still running spin batch, then released");
+ igt_subtest("spin-hotunbind-lateclose")
+ spin_hotunbind_lateclose(&priv);
+
+ igt_fixture
+ recover(&priv);
+ }
+
+ igt_fixture
+ post_healthcheck(&priv);
+
+ igt_subtest_group {
+ igt_describe("Check if a device with a still running spin batch
can be cleanly unplugged, then released");
+ igt_subtest("spin-hotunplug-lateclose")
+ spin_hotunplug_lateclose(&priv);
+
+ igt_fixture
+ recover(&priv);
+ }
+
igt_fixture {
post_healthcheck(&priv);
--
2.25.1
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